Document:

EXHIBIT 10.1

                                     PATENT

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(12) United States Patent                               (10) Patent No.:           US 697549297 B2
James                                                   (45) Date of Patent:       Jun. 22, 2004

(54)     APPARATUS AND METHOD FOR THREE-                6,078,639 A                6/2000 Heuscher
         DIMENSIONAL REAL-TIME IMAGING                  6,101,236 A                8/2000 Wang et al.
         SYSTEM                                         6,351,513 B1               2/2002 Bani-Hashemi et al.
                                                        6,370,421 B1               4/2002 Williams et al.
(75)     Inventor: Dean Norman James, Burbank, CA       6,389,104 B1               5/2002 Bani-Hashemi et al.
         (US)                                           *cited by examiner

(73)     Assignee:  Imaging3, Inc., Burbank, CA (US)    Primary Examiner-David V Bruce

Notice:  Subject to any disclaimer, the term of this    (74) Attorney, Agent, or Firm-Pillsbury Winthrop LLP
         patent is extended or adjusted under 35        (57)                    ABSTRACT
         U.S.C. 154(b) by 23 days.
                                                        A computing device in a three-dimensional imaging system
(21)     Appl. No.: 101229,889                          utilizes a plurality of distance readings and reference read
                                                        ings from the at least one subject sensor to determine a
(22)     Filed: Aug. 28, 2002                           subject location and a subject volume and establish a base-
(65)     Prior Publication Data                         three dimensional map of a subject. A plurality of two-
                                                        dimensional image exposures along with a plurality of
         US 2004/0042588 A1 Mar. 4, 2004                associated reference locations are created by rotating an
(51)     Int. C1.7 ....................A61B 6103        image source and an image receptor around an inner cir-
(52)     U.S. Cl ...............378/4; 378/62; 378/90   cumference of an imaging gantry. The plurality of two-
                                                        dimensional image exposures is digitized to create a plural-
(58)     Field of Search..........378/4, 8, 15, 19,     ity of digital two-dimensional image exposures. The
                  378/20, 62, 98.2, 98.9, 901           computing device receives the plurality of digital two-
(56)     References Cited                               dimensional image exposures and the plurality of associated
                                                        reference locations. The overlaying, interpolating, and past-
         U.S. PATENT DOCUMENTS                          ing of the plurality of digital two-dimensional image expo-
                                                        sures on the base three-dimensional map creates a base
5,117,829 A       * 6/1992 Miller et al.....600/427     three-dimensional image exposure, which is displayed on a
5,212,737 A       5/1993 Ackelsberg                     display device.
5,566,218 A       10/1996 Nobuta et al.
5,598,453 A       1/1997 Baba et al.
5,841,830 A       11/1998 Barni et al.                  15 Claims, 14 Drawing Sheets
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                                       1

       APPARATUS AND METHOD FOR THREE-DIMENSIONAL REAL-TIME IMAGING SYSTEM

                                   BACKGROUND

   Medical imaging systems allow medical professionals to view a subject's
internal features with minimal risk to the subject in terms of radiation
exposure. Medical imaging systems image subjects by utilizing a variety of
technologies such as Fluoroscopy, Computerized Tomography ("CT"), Magnetic
Resonance Imaging (MRI), and Ultra-sound.
In CT scanning, a slice or tomographic slice is created by rotating an x-ray
source and an image receptor partially or completely around a subject.
Tomography utilizes a fulcrum reference, which is determined by adjusting the
patient distance from the center of the perpendicularity of the x-ray source and
x-ray receptor. The slice depth is determined by the distance of the subject
from the center of the perpendicularity. A three -dimensional image of these
slices can be constructed by compiling the images together as layers. Magnetic
resonance imaging utilizes similar technology as a CT scanner except that a MRI
device utilizes a magnetic field and radio signals to accomplish the tomographic
planar image. The three-dimensional MRI images can be constructed from the MRI
slice images. Ultrasound utilizes sound echoing technology to create a
two-dimensional ultra-sound image relative to a single plane in reference to the
position of the ultrasound device and the angle the device is placed in
reference to the subject being imaged. A three-dimensional ultrasound image can
be reconstructed from the combination of the different two-dimensional
ultrasound images.
   Fluoroscopy systems utilize an image source, e.g., x-ray source, and an image
receptor, to provide a real-time display of a two-dimensional fluoroscopic image
in reference to a single plane, either AP (anterior/posterior) or any angle
where the subject is perpendicular to the plane of the image ment of the
invention; and source and image receptor. The image source and image receptor
may be rotated partially around the patient, thus placing the image source and
image receptor at different angles perpendicular to the patient, in order to
create a plurality of two-dimensional fluoroscopic images.
   For procedures such as angioplasty, where a device is placed inside an artery
or vein and moves throughout the artery or vein, or pain management, where a
needle is introduced into a specific area of the spine and it is desirable to
view the exact area where the needle is introduced, a three-dimensional
real-time or a three-dimensional continuously updatable imaging system may be
desirable. In current systems utilizing MRI, CT, Ultrasound, or Fluoroscopy,
three-dimensional (3D) images may be reconstructed from a plurality of
two-dimensional images, however the reconstruction is normally done in
post-processing, and not in real time. In other words, it may take a few hours
to completely scan or 360 scan the patient using other imaging technologies and
even more time to construct or reconstruct a 3D

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complete 360 scanned area while the  procedure  is  occurring,  and to have this
specific  subset  of the  scanned  area  or the  360  scanned  area  be  updated
continuously or in real-time.

                        BRIEF DESCRIPTION OF THE DRAWINGS

     FIG. 1 illustrates a block diagram of a  three-dimensional  imaging  system
according to an embodiment of the present invention;
     FIG. 2 illustrates a circular gantry/O-arm with an image receptor and image
source according to an embodiment of the invention;
     FIG. 3 illustrates  an image  receptor and an image source  according to an
embodiment of the invention;
     FIG. 4 illustrates a mobile  three-dimensional  imaging system according to
an embodiment of the present invention;
     FIG. 5a illustrates how a subject sensor maps patient depth within a gantry
according to an embodiment of the invention;
     FIG. 5b illustrates a depth of the subject  sensor mapping  according to an
embodiment of the invention;
     FIG. 6 illustrates  two subject  sensors  providing a plurality of distance
readings and a plurality of reference readings according to an embodiment of the
invention;
     FIG.  7  illustrates   the  image   receptor   collecting  a  plurality  of
two-dimensional image exposures produced when the image source passes around the
subject,
     FIG. 8a  illustrates  a  three-dimensional  image  exposures  of a spine as
presented in an anterior-posterior view, i.e., from front-to-back,  according to
an embodiment of the invention;
     FIG. 8b illustrates a three-dimensional  image exposures of a spine rotated
counterclockwise in a caudal manner according to an embodiment of the invention;
     FIG. 9 illustrates a  three-dimensional  image  exposure of a spine divided
into  a  plurality  of  imaging  sections  according  to an  embodiment  of  the
invention;
     FIG. 10 illustrates a flowchart of the creation of a base three-dimensional
image exposure according to an embodiment of the invention; and
     FIG.  11   illustrates   a  flowchart   of  the   creation  of  an  updated
three-dimensional image exposure according to an embodiment of the invention.

                              DETAILED DESCRIPTION

The present invention relates to an apparatus and a method for displaying
three-dimensional image exposures of a subject. Image exposures may he
fluorographic images, fluoroscopic images, radiographic images, or other similar
images. The three-dimensional imaging system may utilize fluoroscopy technology
to produce the three-dimensional images. The three-dimensional imaging system
may include at least one subject sensor 12, at least one image source 14, at
least one image receptor 16, an image digitizer 20, a computing device 24, and a
display device 28. The at least image from the plurality of two-dimensional
images. The 3D images are normally reference images that are later used for
analysis by medical personnel. If the 3D image needs to be updated, e.g., to
track the path of the angioplasty device through the artery or vein, a complete
new 3D image would need to be created, meaning the entire area of the subject
would need to be rescanned, which as mentioned before, can be a time-consuming
process. Thus, it is desirable to be able to view only a specific subset of the
scanned area or the one image source 14, the at least one image receptor 16, and
the at least one subject sensor 12 may be located in an imaging gantry 10. The
three-dimensional imaging system may include more than one subject sensor 12,
image source 14, or image receptor 16. The image source 16 may be an x-ray
source. FIG. 1 illustrates a block diagram of a three-dimensional imaging system
according to an embodiment of the present invention. The computing device 24 of
the three

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dimensional imaging system may utilize a plurality of distance readings and
reference readings from the at least one subject sensor 12 in the imaging gantry
10 to assist in establishing a base-three dimensional map of a subject. A
plurality of two-dimensional image exposures along with a plurality of
associated reference locations may be created by rotating the at least one image
source 14 and the at least one image receptor 16 around an inner circumference
of the imaging gantry 10. The plurality of two-dimensional image exposures may
be digitized by a digitizer 20 to create a plurality of digital two-dimensional
image exposures. The digitizer 20 may be a separate physical device.
Alternatively, the digitizer 20 may be located in the computing device 24 (shown
by dotted line in FIG. 1). The computing device 24 may receive the plurality of
digital two-dimensional image exposures and the plurality of associated
reference locations and may utilize the plurality of associated reference
locations to identify where on the base three-dimensional map each of the
plurality of digital two-dimensional image exposures are placed. The plurality
of digital two- dimensional image exposures may be overlaid, pasted, or
interpolated on the base three-dimensional map to create a base
three-dimensional image exposure. In one embodiment of the invention utilizing
interpolation, the plurality of digital two-dimensional image exposures may be
interpolated onto the base three-dimensional map by using a math formulation or
algorithm. The base three-dimensional image exposure may be transmitted from the
computing device 24 to the display device 28.
   The at least one subject sensor 12, the at least one image source 14, and the
at least one image receptor 16 may be located within an inner circumference of
the imaging gantry 10. The imaging gantry 10 may be referred to as an O-arm The
imaging gantry 10 may be tubular in shape. FIG. 2 illustrates a tubular imaging
gantry 10 (0-arm) with an image receptor 16 and image source 14 according to an
embodiment of the invention. The inner circumference may rotate about the
subject while the imaging gantry 10 is in a fixed position. The subject's
location is illustrated as a "+" in FIG. 1 and the subject may be placed in a
position in or near the center of the interior portion of the imaging gantry 10,
i.e., in the center of the tube illustrated in FIG. 1. The at least one image
source 14 and the at least one image receptor may rotate about the inner
circumference of the imaging gantry 10 in order to provide a plurality of
two-dimensional image exposures of the subject.
   In another embodiment of the present invention, more than one image source 14
and more than one image receptor 16 may be utilized by the imaging gantry 10. If
more than one image source 14 and more than one image receptor 16 are utilized,
the number of image sources 14 may be equal to the number of image receptors 16,
and the image source 14 and the image receptor 16 may be located directly across
from each other within the inner circumference of the imaging gantry 10, as
illustrated by FIG. 3. This may enable the image receptors 16 to receive the
full intensity of the image sources' 14 beam. In alternative embodiments of the
present invention, the number of image sources 14 may be less than the number of
image receptors 16 where multiple image receptors 16 may receive a single image
source's 14 beam.
   The three-dimensional imaging system may be a fixed system or a mobile
system. The fixed system may include a table 30, on which the subject lays
during examination, wherein the table 30 is linked to an apparatus within the
three-dimensional imaging system, such as the computing device 24. The table 30
may be linked to the computing

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device 24 to allow for movement in either a vertical or horizontal direction.
Alternatively, the table 30 may be linked to a controller or a controller may be
included within the table 30. The computing device 24 may interface with the
controller to identify whether the table 30 should be moved up or down in a
vertical or a horizontal direction. Alternatively, the three-dimensional imaging
system may be a mobile system, as illustrated in FIG. 4. The imaging gantry 10
may be connected to a mobile system 32 which is moved to the desired angle
relative to the subject, when the subject lies on the same position on the table
30.
   The subject sensor 12 may provide distance readings and reference readings
which correspond to the distance and angle between the subject sensor 12 and the
subject. The at least one image source 14 and the at least one image receptor 16
may be located perpendicular to a subject. The subject sensor 12 may provide the
distance reading from the image source 14 and the image receptor 16 pair to the
subject. In embodiments of the invention, more than one subject sensor
12 may be utilized. FIG. 5a illustrates how a plurality of subject sensors 12
may map patient depth within the imaging gantry 10 according to an embodiment of
the invention. FIG. 5b illustrates the depth of the subject sensor mapping
according to an embodiment of the invention. The subject sensor 12 may be
located on the inner circumference of the imaging gantry 10. The at least one
subject sensor 12 may rotate around the inner circumference of the imaging
gantry 10, which means the at least one subject sensor 12 may rotate around the
subject, and provide a plurality of distance readings and a plurality of
reference readings. Alternatively, a plurality of subject sensors 12 may be
stationary and provide a plurality of distance readings and a plurality of
reference readings.
            In an embodiment utilizing a plurality of subject sensors 12, the
plurality of subject sensors 12 may be equally spaced within the inner
circumference of the circular gantry 10. The subject sensor 12 or the plurality
of subject sensors 12 may provide the distance from the inner circumference of
the imaging gantry 10 (and therefore the distance from the at least one image
source 14 and the at least one image receptor 16), i.e., distance readings, to
the subject. If a large, number of subject sensors 12 are utilized, the
plurality of subject sensors 12 may not be rotated as far about the subject in
order to determine the location of the subject. If only one subject sensor 12 is
utilized or a small number of subject sensors 12 are utilized, the subject
sensors 12 may need to be rotated almost 360 degrees about the subject to
generate enough distance measurements to produce a three dimensional map of the
subject.
   If the subject sensor 12 is rotated, the subject sensor 12 may also provide a
plurality of reference readings regarding its location relative to an imaging
gantry reference location in order to identify the angle at which the subject
sensor 12 is gathering its distance reading. For example, two subject sensors 12
are illustrated in an imaging gantry in FIG. 5. Initially, the two subject
sensors 12 (subject sensor I and subject sensor 2) provide a distance from the
subject sensors 12 to the subjects, i.e., in FIG. 6, the distance a1 is measured
from subject sensor 1 to the subject and the distance a2 is measured from
subject sensor 2 to the subject. The angle away from the imaging gantry
reference point x 40, i.e., the reference reading is 0 for distance a1 and 180
degrees for distance a5 because location a1 is measured from the imaging gantry
reference point x 40. In order to provide enough information to generate a 360
degree three dimensional map of the subject, the subject sensors 12 may need to
be rotated to a plurality of positions. In FIG. 6,

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subject sensor 112 and subject sensor 2 12 may be rotated 45 degrees to
positions 2 and 6, respectively, and may provide distance readings to the
subjects of a2 and a6, respectively, along with reference readings of 45 degrees
clockwise for a2 and 235 degrees clockwise for A. The subject sensor 112 and
subject sensor 2 12 are rotated twice more, in increments of 45 degrees, to
provide distance readings of a3, A, a7 and a8, as illustrated in FIG. 6, and
reference readings of 90, 135, 270 and 350 degrees respectively. Thus, in this
illustration, eight distance readings and 10 eight reference readings may be
generated in order to provide information to generate a base three-dimensional
map. In order to-get a better representation of the subject, more distance
readings and reference readings may have to be gathered. This may be
accomplished by either adding more subject sensors 12 or by rotating the subject
sensors 12 a smaller number of degrees each time a measurement is taken.
   The subject sensor 12 may be an external environmental sensor, as is well
known in the art. The subject sensors 12 may be rangefinders, infrared devices,
sound-echoing sensors, or other similar technologies that are able to detect the
presence of a subject and the distance from the sensor to the subject. For
example, the SharpTM GP2DO2 Infrared Distance Sensor provides distance readings
from the sensor to the subject by transmitting or emitting an infrared light off
the subject and utilizing an array of photodetectors to measure the reflected
infrared light off the subject. The distance readings between the subject and
the subject sensor 12 are determined by the portion of the array of
photoderectors which receives the reflected infrared light based on the parallax
of the outgoing and incoming rays of the infrared light.
   In an embodiment of the present invention, the subject sensor 12 or the
plurality of subject sensors 12 may gather the distance reading and the
reference reading at each rotation and may transmit each distance reading and
reference reading to the computing device 24. In an alternative embodiment, the
subject sensors 12 or the imaging gantry 10 may include memory (not shown) to
store the distance readings and the reference readings and may transmit the
distance readings and the reference readings for the subject only when the
rotation about the subject has completed.
Alternatively, the subject sensors 12 may transmit the distance readings and the
reference readings to the computing device 24 at specific time intervals.
   A location determination module, within the computing device 24, may receive
the plurality of distance readings and the plurality of reference readings and
interpolate the plurality of distance readings and the plurality of reference
readings to determine a subject location and a subject volume. The location
determination module may utilize pre-calibrated physics calculations and the
inverse square law to determine the subject location and the subject volume. For
example, the subject sensor 12 or the plurality of subject sensors 12 may send
the distance readings to identify the distance of the subject from the subject
sensor 12 and the reference readings to identify from what view or angle the
distance is calculated from.
The location determination module may utilize the inverse square law to
determine the depth of the subject and the magnification of what is being
imaged.
   The subject location and the subject volume may be transmitted from the
location determination module to a map module, also located within the computing
device 24. The map module may receive the subject location and subject volume
information and create a base three-dimensional

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map of the subject. The base three-dimensional map may be utilized as the
underlying representation of a base three dimensional image exposure. Ile base
three-dimensional image exposure may serve as the model on which the continuous
updates or the real-time updates of the three dimensional image exposures may be
overlaid, pasted, or interpolated to create an updated three-dimensional image
exposure.
            The at least one image source 14 and the at least one image receptor
16 may be located within the inner circuference of an imaging gantry 10. The
number of image sources 14 and image receptors 16 installed within an inner
circumference of the imaging gantry 10 may be equivalent, meaning if there is
one image source 14, there is one image receptor 16 and if there are three image
sources 14, then there are three image receptors 16. Alternatively, the number
of image receptors 16 may be larger than the number of image sources 14 with
multiple image receptors 16 receiving information from the smaller number of
image sources 14 In one embodiment, the at least one image source 14 and the at
least one image receptor 16 may be positioned 180 degrees apart from each other
as illustrated in FIGS. 2 and 3. The at least one image receptor 16 and the at
least one image source 14 may move synchronously with each other or parallel to
each other in a clockwise or counterclockwise motion. Thus, an image source 14
and an image receptor 16 may be referred to as an imaging set. The imaging set
may be rotated in a direction perpendicular to the subject. The imaging set may
be rotated about the inner circumference of the imaging gantry 10 by a stepping
motor located within the imaging gantry 10. Alternatively, the imaging set may
be rotated by a motor which receives instructions from an encoder.
Illustratively, the stepping motor may receive instructions to move to a
specific location on the inner circumference of the imaging gantry 10. For
example, as illustrated in FIG. 7, the stepping motor may receive instructions
to move the image source 14 of the imaging set to a specific location 2 of the
imaging gantry, which in turn would move the image receptor 16 of the imaging
set to a specific location 6 of the imaging gantry 10. Once the image source 14
and the image receptor 16 reach specific locations 2 and 5 respectively, the
image source 14, the image receptor 16 or the stepping motor may provide
associated reference information about the locations, i.e. associated reference
locations, e.g., the image source 14 is shifted 45 degrees clockwise from an
initial reference point and the image source 14 may transmit a beam from this
location to the image receptor 16.
   In an embodiment of the invention utilizing one image source 14 and one image
receptor 16, the imaging set may be rotated to obtain complete coverage of the
subject, which may include some overlapping of the coverage area. For example,
if the inner circumference of the tubular imaging gantry 10 is 120 inches, i.e.,
ten feet, and a single image receptor 16 has a reception width of twelve inches,
the imaging set may need to be moved or stepped approximately eleven times
around the inner circumference of the imaging gantry 10 to complete a 360 degree
scan. In alternative embodiments, a plurality of imaging sets may allow a fewer
number of rotations or steps, e.g., two imaging sets may only need six movements
to complete a 360 degree scan.
   Each time the imaging set is moved, either the image source 14, the image
receptor 16, or the stepping motor may provide a reference location of the
imaging set in regards to an initial reference location y 50, illustrated in
FIG. 7. The reference location of the imaging set in regards to the initial
reference location y 50 may be established in order to

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correlate the information received by the imaging receptor 16 and place the
two-dimension image exposures onto the correct portion of the base
three-dimensional map. Illustratively, if the imaging information is collected
from by the image receptor 16 when the image source 14 is transmitting a beam
through the right side of the subject, the information may be tagged with a
reference location to indicate that this image receptor 16 reading, after
conversion to a digital two-dimensional image exposure, may be placed onto the
portion of the base three-dimensional map corresponding to the right hand side
of the subject. The reference location should be correlated with the reference
reading from of the at least one subject sensor 12 in order to match up the
digital two-dimensional image exposure with the correct area of the base
three-dimensional map created by the map module. For example, as illustrated in
FIGS. 6 and 7, if the subject sensor 12 provides a distance from the subject to
the subject sensor as a2 when the subject sensor 12 is in position 2, and the
location determination module calculates a subject position and depth from the
position 2 based on the distance reading a2, then the digital two-dimensional
image exposures created when the image source 16 of the imaging set is at
position 2 should be correlated to the section of the base three-dimensional map
created by the distance reading from the subject sensor 12 when the subject
sensor 12 is at position 2.
         In an embodiment utilizing one image source 14 and one image receptor
16, the image receptor 16 may collect a two-dimensional image exposure produced
when the beam from the image source 14 passes through the subject, as
illustrated in FIG. 7, for each location within the inner circumference of the
imaging gantry 10 the imaging set is rotated to. Included with the
two-dimensional image exposure may be the associated reference location, i.e.,
where the imaging set was located on the inner circumference of the imaging
gantry 10 when the image receptor 16 collected the two-dimensional image
exposure. A plurality of two-dimensional image exposures, along with the
associated reference information, may be produced for a number of different
locations when the imaging set is rotated about the inner circumference of the
imaging gantry 10.
         An image receptor 16 may include an image receptor device, an image
intensifier, and a camera mounted on the image intensifier's output phosphor to
collect video image data. Alternatively, the image receptor 16 may include an
image receptor device and a charge coupled device (CCD) image intensifier
device, wherein the CCD image intensifier device itself collects video image
data. In another alternative embodiment, the image receptor 16 may include an
image receptor device itself that converts the received image exposure
information into either digital or analog information, rather than into video
information. The image receptor 16 may produce the plurality of two-dimensional
image exposures in a digital, analog, video, or other similar format. Also, the
image receptor 16 may receive the plurality of reference locations from the
image source 14 or the imaging gantry 10, and include the plurality of the
two-dimensional image exposures.
         In an embodiment of the invention utilizing one image source 14 and one
image receptor 16, the plurality of two-dimensional image exposures and the
plurality of associated reference locations collected by the image receptor 16
may be immediately transmitted to a computing device 24. Alternatively, the
image receptor 16 or the imaging gantry 1 may include a buffer memory (not
shown) in order to collect all of the plurality of two-dimensional image
exposures

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for a subject, e.g., if there are twelve steps or semi-rotations then twelve
scans may be collected. The image reaction module, within the computing device
24, may receive the plurality of two-dimensional image exposures and the
plurality of associated reference locations.
        The three-dimensional imaging system may also include computing device
24. In addition, the three-dimensional imaging system may include a controller
for controlling the physical movements of the imaging gantry 10 and/or the
physical movements of the table 30 on which the subject my be placed. Methods of
controlling the physical movements of the imaging gantry 10 and/or the table 30
are well known in the art, e.g., CT technology utilizes controllers or similar
devices to control physical movements of the imaging gantry 10 or the table 30
on which the subject is placed.
        The computing device 24 may include an image digitizer 20 implemented in
hardware or software. Illustratively, the image digitizer 20 may be a printed
circuit board installed in Peripheral Control Interface slot in the computing
device 4. Alternatively, the image digitizer 20 may be a separate physical
device from the computing device 24. Image digitalizers 20 are well known in the
an, e.g., Matrox CronosTM frame grabber products.
         In one embodiment of the present invention, the image creation module,
in the computing device 24, may receive le plurality of two-dimensional image
exposures along with the plurality of associated reference locations directly
from the image receptor 16 utilizing wireless or line communication technologies
or protocols. The image creation module may utilize the image digitizer 20 to
receive and to digitize the plurality of two-dimensional image exposures to
create plurality of digital two-dimensional image exposures. Illustratively, the
image digitizer 20 may digitize the received two-dimensional image exposures at
a rate of between 30 to 60 frames a second if the input is a video signal. In
other embodiments where only one or two frames re input to the digitizer 20 from
the image receptor 16, only one or two frames may be digitized.
         The map module, within the computing device 24, may include the base
three dimensional map. The map module Lay transfer the base three-dimensional
map to an image creation module. The image creation module may receive the
plurality of digitized two-dimensional image exposures along with the plurality
of associated reference information from the imaging module. The image creation
module may paste or overlay the plurality of digital two-dimensional image
exposures onto the base three dimensional map utilizing the plurality of
associated reference information to identify which section of the base
three-dimensional map is to receive which of the plurality of digital
two-dimensional image exposures. The pasting or overlaying of the plurality
digital two-dimensional image exposures may create a base three-dimensional
fluoroscopic image. The image creation module may continue to paste or overlay
the plurality digital two-dimensional image exposures onto the base
three-dimensional map until the base three-dimensional image exposures
represents a 360 degree view of the subject. Alternatively, the plurality of
digital two-dimensional image exposures may be interpolated onto the base three
dimensional map using a math formulation or algorithm, which creates a base
three-dimensional image exposure. The base three-dimensional image exposure may
be transferred from the computing device 24 to the display device 28 utilizing
RS-422 serial, serial, or parallel communication protocol. The medical personnel
may view the base three-dimensional image exposure on the display device 28
within a few seconds after the first scan was initiated

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         A viewing angle on the display device 28 may be selected for the base
three-dimensional image exposure or a default value for the viewing angle of the
base three-dimensional image exposure may be input into the image creation
module. Illustratively, a viewing angle may be anterior-to-posterior, right
side-to-left side, 15 degrees clockwise from anterior-to-posterior view, etc.
FIG. 8a illustrates a base three-dimensional image exposure generated according
to an embodiment of the present invention. In FIG. 8a, the base three-dimension-
al image exposure of the spine is presented in an anterior-posterior view, i.e.,
from front-to-back, according to an embodiment of the invention. In one embodi-
ment of the present invention, the base three-dimensional image exposure may not
be displayed until the base three-dimensional image exposure has been construct-
ed. Alternatively, sections of the base three-dimensional image exposure may be
displayed as the pasting, interpolating, or overlaying process is occurring.
         A system operator may select to change the viewing angle on the display
device 28 for the base three-dimensional image exposure. The system operator may
change the viewing angle by notifying the image creation module by any method
well known in the art. FIG. 8b illustrates FIG. 8a rotated slight caudal
(towards the hind side of the subject) from center, in this case to allow a
better view of the spinal canal and the side of a vertebrae. The viewing angle
of the base three-dimensional image exposure may be rotated up to 360 degrees
from the original selected viewing angle, all depending upon the viewing angle
the operator desires in order to view the procedure from the most optimal angle.
The rotation of the base three-dimensional image exposure may occur by any
method well-known in the art for rotating three-dimensional images on the
display device 28, utilizing the computing device 24 and its memory if
necessary. A change in the viewing angle may not require any additional scans or
utilization of the imaging set, i.e., image source 14 or image receptor 16, or
the imaging gantry 10 in any manner.
         The operator may also select an image section on the display device 28
for viewing a specific portion of the base three-dimensional image exposure,
e.g., for viewing the angioplasty device moving through the vein or artery. The
image selection module may allow the operator to select more than one image
sections. The image section may correspond to the area where the procedure is
taking place. The image selection module may divide up the base three-dimension-
al image exposures into different image sections which may be indicated on a
display of the computing device. In one embodiment of the present invention, the
user may select one or a plurality of the image sections for updating. In one
embodiment, the user may select all of the image sections for updating. Unlike
prior art systems, the updating of the selected imaging sections, even if all of
the imaging sections are selected, may occur in real-time or continuously.
         Illustratively, the entire viewing area on the display device 28 may be
360 degrees, i.e., a complete circle, and the plurality of imaging sections may
be divided up so that the addition of all of the imaging sections may equal the
entire 360 degree viewing area. For example, if six imaging sections are
generated, then each of the six imaging sections may represent a 60 degree angle
of the subject. As illustrated in FIG. 9, the operator may select a plurality of
image sections, e.g., in this illustration image sections 4 and 5 are selected.
In an embodiment of the invention, if the viewing angle does not correspond to
the selected image sections, the three-dimensional image exposure may be rotated
to a

<PAGE>

                                       10

viewing angle corresponding to the selected image sections, as described
previously.
         Once the imaging section or the plurality of imaging sections are
selected, the alignment module may align the imaging set, i.e., image source 14
and image receptor 16, to provide the at least one two-dimensional image
exposure of the selected image sections. Thus, the imaging set may be moved via
commands from the alignment module, which may be located within the computing
device 24, indicating a start position that the imaging set should be placed in
order to provide the at least one two-dimensional image exposure for the imaging
section or sections selected. In one embodiment, the alignment module may
receive the reference locations for each of the digital two-dimensional image
exposures which were utilized to create the base three-dimensional image
exposures. When the operator selects the image section or image sections to be
updated, the alignment module may identify the associated reference location or
reference locations corresponding to the selected image section(s), and output
this information. For example, utilizing FIG. 9, the operator may select imaging
sections 4 and S. This corresponds to, assuming a reference point of looking
outward from the subject, the left front view of the subject and the left side
view of the subject. In order to provide the at least one two-dimensional image
exposure of the selected imaging sections, the imaging set may need to be ganged
or moved to locations 2 and 3 of FIG. 5, which are the locations where the image
source 14 transmits rays through the left front view of the subject. Because
multiple imaging sections may be selected, the alignment module may provide
instructions to move or step the imaging set to the appropriate reference
location or reference locations to provide the required imaging. Illustratively,
the alignment module may provide the reference locations for the selected image
sections to the imaging set in the imaging gantry 10. In the example illustrated
in FIG. 5, the reference locations corresponding to the selected imaging
sections are locations 2 and 3. The imaging set may only move in the area to
provide the at least one updated two-dimensional image exposures for the
selected image sections, which in some embodiments may be all the image
sections. The image set, i.e., image source 14 and image receptor 16, may move
to all the reference locations necessary to capture images for the selected
image sections.
         Once the imaging set is moved to capture the at least one two
dimensional image exposure of the selected imaging sections, the image module,
within the computing device 24, may start to receive the at least one updated
two-dimensional image exposure for the selected image sections from the imaging
set along with the at least one associated updated reference location for the at
least one updated two-dimensional image exposures. Because the selected image
sections may generally be smaller than a 360 view of the subject, the at least
one updated two-dimensional image exposure may be provided to the image module
of the computing device 24 at a faster rate. In one embodiment of the present
invention, the image module may receive the at least one updated two-dimensional
image exposure and may digitize, at the digitizer 20, the at least one updated
two-dimensional image exposure to create at least one digital updated
two-dimensional image exposure. The at least one updated digital two-dimensional
image exposures may be transferred to an update module. The update module may
receive the at least one updated digital two-dimensional image exposure along
with the at least one associated updated reference and overlay, interpolate, or
paste the at least one updated digital two-dimensional image exposure

<PAGE>

                                       11

on the base three-dimensional image exposure to create an updated
three-dimensional image exposure. In this embodiment of the invention, only the
selected imaging sections of the base three-dimensional image exposure area may
be updated by the received plurality of digital two-dimensional image exposures.
Illustratively, utilizing FIG. 9, only image sections 4 and 5 may receive
updated imaging information, i.e., the at least one updated digital
two-dimensional image exposure, while the other imaging sections of the base
three-dimensional image exposure may utilize the original plurality of digital
two-dimensional image exposures and not receive any updated digital
two-dimensional image exposures. In one embodiment, all of the at least one
updated digital two-dimensional image exposures may be collected for all the
selected imaging sections before the updated three-dimensional image exposure
may be displayed on the display device 28. In an alternative embodiment, each
digital updated two-dimensional image exposure which updates the base
three-dimensional image exposure may be displayed immediately on the display
device 28 once the image update module overlays, pastes, or interpolates it on
the base three-dimensional image exposure. After the at least one digital
updated two-dimensional image exposure is overlaid, interpolated, or pasted onto
the base three-dimensional image exposure, an updated three-dimensional image
exposure is created.
         FIG. 10 illustrates a flowchart of the creation of a base
three-dimensional image exposure according to an embodiment of the invention. A
location determination module may receive 60a plurality of distance readings and
a plurality of reference readings from at least one subject sensor 12 located in
an imaging gantry 10. The location determination module may calculate 62 a
subject location and a subject volume, relative to at least one image source 14
and at least one image receptor 16, from the plurality of distance readings and
the plurality of reference readings and output a subject location and a subject
volume. A map module may receive 64 the subject location and the subject volume.
The map module may create 66 a base three-dimensional map from the subject
location and the subject volume. The image module may create 68 a plurality of
digital two-dimensional image exposures with a plurality of associated reference
locations by rotating at least one image source 14 and at least one image
receptor 16 around the inner circumference of the imaging gantry 10 to create
the plurality of two-dimensional image exposures and the plurality of associated
reference locations and then digitizing the plurality of two-dimensional image
exposures to create the plurality of digital two-dimensional image exposures.
The image creation module may receive 70 the plurality of digital
two-dimensional image exposures and the plurality of associated reference
locations from the image module. The image creation module may create 72 a base
three-dimensional image exposure by overlaying, interpolating, or pasting the
plurality of digital two-dimensional image exposures on the base
three-dimensional map of the subject, received from the map module, and by
utilizing the associated reference information to determine where on the base
three-dimensional map each of the plurality of digital two-dimensional image
exposures are placed.
         FIG. 11 illustrates a flowchart of the creation of an updated
three-dimensional image exposure according to an embodiment of the present
invention. The image selection module may select 80 at least one image section
from a three-dimensional image exposure to continuously update or to update in
real time. The alignment module 82 may receive the at least one image section,
from the image selection

<PAGE>

                                       12

module, and utilize the at least one image section to generate instructions
identifying at least one update location to be scanned. The imaging gantry 10
may receive 84 the instructions identifying the at least one update location to
be scanned, and moves the at least one image source 14 and the at least one
image receptor 16 to a start position in the imaging gantry that enables the at
least one image source 14 and the at least one image receptor 16 to scan the at
least one update location. The image module may create 86 at least one
two-dimensional image exposure and at least one associated reference location
for the at least one image section, by moving the at least one image source 14
and the at least one image receptor 16 around an inner circumference of the
imaging gantry 10 to capture the at least one image section along with the at
least one associated reference location. The image module may digitize 88 the at
least one two-dimensional image exposure and receive the at least one associated
reference location to create and output at least one digital two-dimensional
image exposure and the at least one associated reference location. The image
update module 90 may create an updated three-dimensional image exposure by
receiving the at least one digital two-dimensional image exposure and the at
least one associated reference location, and overlaying, interpolating, or
pasting the at least one digital two-dimensional image exposure on a base
three-dimensional image exposure utilizing the at least one associated reference
location to indicate where on the base three-dimensional image exposure the at
least one digital two-dimensional image exposure is placed.
         While the description above refers to particular embodiments of the
present invention, it should be readily apparent to people of ordinary skill in
the art that a number of modifications may be made without departing from the
spirit thereof. The accompanying claims are intended to cover such modifications
as would fall within the true spirit and scope of the invention. The presently
disclosed embodiments are, therefore, to be considered in all respects as
illustrative and not restrictive, the scope of the invention being indicated by
the appended claims rather than the foregoing description. All changes that come
within the meaning of and range of equivalency of the claims are intended to be
embraced therein.
         What is claimed is:
         1. A program code storage device, comprising:
a machine-readable storage medium; and
machine-readable program code, stored on the machine
readable storage medium, the machine-readable program
code having instructions to:
        receive, at a location determination module, a plurality of distance
readings and a plurality of reference readings from at least one subject sensor
located in an imaging gantry, the at least one subject sensor located within an
inner circumference of the imaging gantry to provide the plurality of distance
readings and the plurality of reference readings;
        calculate a subject location and a subject volume, relative to at least
one image source and at least one image receptor, from the plurality of distance
readings and the plurality of reference readings, and output the subject
location and the subject volume; receive, at a map module, the subject location
and the subject volume; and
        create, at the map module, a base three-dimensional
map from the subject location and the subject volume.
         2. The program code storage device of claim 1, further including
instructions to:

<PAGE>

                                       13

create, at an image module, a plurality of digital two-dimensional image
exposures with a plurality of associated reference locations by rotating the
least one image source and the least one image receptor around the inner
circumference of the imaging gantry to create the plurality of two-dimensional
image exposures and the plurality of associated reference locations, and
digitizing the plurality of two-dimensional image exposures.
  3. The program code storage device of claim 2, further including instructions
   to receive, at an image creation module, the plurality of digital
     two-dimensional image exposures and the plurality of associated reference
     locations from the image module, and create a base three-dimensional image
     exposure by overlaying, pasting, or interpolating the plurality of digital
     two-dimensional image exposures on the base three-dimensional map of the
     subject, received from the map module, and by utilizing the plurality of
     associated reference information to determine where on the base
     three-dimensional map each of the plurality of digital two-dimensional
     image exposures are placed.
   4. A program code storage device, comprising:
 a machine-readable storage medium; and
 machine-readable program code, stored on the machine
   readable storage medium, the machine-readable pro
   gram code having instructions to:
   select, at an image selection module, at least one image
     section from a three-dimensional image exposure to
     continuously update or to update in real time,
   receive, at an alignment module, the at least one image section, from the
     image selection module, and utilize the at least one image section to
     generate instructions identifying at least one update location to be
     scanned,
   receive, at an imaging gantry, the instructions identi fying the at least one
     update location to be scanned, and moving at least one image source and at
     least one image receptor to a start position on the imaging gantry that
     enables the at least one image source and the at least one image receptor
     to scan the at least one update location,
   create at least one updated two-dimensional image exposure and at least one
     updated associated refer- ence location for the at least one image section,
     by moving the at least one image source and the at least one image receptor
     around an inner circumference of the imaging gantry,
   receive the at least one updated associated reference
     location and the at least one updated two
     dimensional image exposure,
   digitize the at least one updated two-dimensional image
     exposure to create at least one updated digital two
     dimensional fluoroscopic image,
   output at least one updated digital two-dimensional
     image exposure and the at least one updated associ
     ated reference location,
   create an updated three-dimensional image exposure, at an image update
     module, by receiving the at least one updated digital two-dimensional image
     exposure and the at least one updated associated reference location, and
     overlaying, pasting, or interpolating the at least one updated digital
     two-dimensional image exposure on a base three-dimensional image exposure
     utilizing the at least one updated associated reference location to
     indicate where on the base

<PAGE>

                                       14

three-dimensional image exposure the at least one updated digital two-dimension-
al image exposure is placed.
  5. The program code storage device of claim 4, further including instructions
to transfer the updated three-dimensional image exposure from the image update
module to the display device and to display the updated three-dimensional image
exposure on the display device.
  6. The program code storage device of claim 4, wherein the at least one
updated two-dimensional image exposure is digitized using a digitizer within the
computing device.
  7. The program code storage device of claim 4, wherein the at least one
updated two-dimensional image exposure is digitized by the at least one image
receptor.
  8. An imaging system to create and update, either continuously or in
real-time, three-dimensional image exposures of a subject, comprising:
   a tubular imaging gantry including, at least one subject sensor within an
     inner circumference of the tubular imaging gantry to generate a plurality
     of distance readings and a plurality of reference readings; at least one
     image source and at least one image receptor rotating about the inner
     circumference of the
       tubular imaging gantry, wherein the at least one image source and the at
       least one image receptor create a plurality of two-dimensional image
       exposures and a plurality of associated reference locations;
   an image digitizer to receive the plurality of two-dimensional image
     exposures from the tubular imaging gantry, to create a plurality of digital
     two-dimensional image exposures, and to transfer the plurality of digital
     two-dimensional image exposures;
   a computing device to receive the plurality of distance readings and the
     plurality of reference readings, to calculate a subject location and a
     subject volume based on the plurality of distance readings and the
     plurality of reference readings, to create a base three-dimensional map
     based on the subject location and the subject volume, to receive the
     plurality of digital twodimensional image exposures from the image
     digitizer, to receive the plurality of associated reference locations, and
     to place, overlay, interpolate, or paste the plurality of digital
     two-dimensional image exposures on the base three-dimensional map to create
     a base three-dimensional image exposure by utilizing the plurality of
     associated references to identify where on the base three-dimensional map
     each of the plurality of digital two-dimensional image exposures is placed,
     and to output a base three-dimensional image exposure; and
   a display device to receive the base three-dimensional image exposure from
     the computing device and to display the base three-dimensional image
     exposure.
  9. The imaging system of claim 8, wherein at least one image section of the
base three-dimensional image exposure is selected, the computing device
identifies an update location to be scanned based on the at least one image
section selected and directs the at least one image source and the at least one
image receptor to create at least one updated two-dimensional image exposure
along with at least one updated associated reference location, the digitizer
digitizes the at least one updated two-dimensional image exposure to create at
least one updated digital two-dimensional image exposure, the computing device
receives the at least one updated digital two-dimensional image exposure and the
at least updated associated reference location, and the computing

<PAGE>

                                       15

device creates an updated three-dimensional image exposure by placing the at
least one updated two-dimensional image exposure on the base three-dimensional
image exposure at the location identified by the at least one updated associated
reference location.
   10. A method of creating a continuously-updating or real-time updating a
three-dimensional image exposure of a subject, comprising:
   determining a subject location and a subject volume in reference to a
     location of at least one image source and a location of at least one image
     receptor;
   creating a base three-dimensional map based on the subject location and the
   subject volume; creating a plurality of two-dimensional image exposures of
   the subject and a plurality of associated
     reference locations by rotating the at least one image source and the at
     least one image receptor around the subject; and
   digitizing the plurality of two-dimensional image exposures to create a plur-
     ality of digital two-dimensional image exposures;
   outputting the plurality of digital two-dimensional image exposures and the
     plurality of associated reference locations;
   receiving the plurality of two-dimensional image exposures and the plurality
     of associated reference locations and placing the plurality of
     two-dimensional image exposures onto the base three-dimensional map to
     create a base three-dimensional image exposure, the placing of the
     plurality of two-dimensional image exposures determined by the plurality of
     associated reference locations; and
   displaying the base three-dimensional image exposure on a display device.
    11. The method of claim 10, wherein at least one subject sensor assists in
determining a subject location and a subject volume in reference to a location
of at least one image source and at least one image receptor.

<PAGE>

                                       16

12. The method of claim 10, wherein digitizing the plurality of two-dimensional
image exposures occurs within the computing device.
  13. The method of claim 10, wherein digitizing the plurality of
two-dimensional image exposures occurs at the at least one image receptor.
  14. A method of continuously updating or real-time updating a base
   three-dimensional image exposure, comprising selecting at least one image
   section of a subject for continuous updating or real-time updating; aligning
   at least one image source and at least one image receptor to capture at least
   one two-dimensional
     image exposure for the at least one image section;
   creating at least one updated two-dimensional image exposure and at least one
     updated associated reference location for the at least one image section by
     moving the at least one image source and the at least one image receptor to
     capture the at least one image section;
   digitizing the at least one updated two-dimensional image exposure to create
     at least one updated digital two-dimensional image exposure; and
   receiving the at least one updated two-dimensional image exposure and the at
     least one updated associated reference location and overlaying, pasting, or
     interpolating the at least one updated digital two-dimensional image
     exposure on a base three-dimensional image exposure to create an updated
     three-dimensional image exposure, wherein the placement of the at least one
     updated digital two-dimensional image exposure on the base three-dimension-
     al image exposure is determined by the at least one updated associated
     reference location.
  15. The method of claim 14, further including displaying the updated
three-dimensional image exposure on a display device.EXHIBIT 10.2

                              CONSULTING AGREEMENT

<PAGE>

                              CONSULTING AGREEMENT

THIS AGREEMENT, made as of this 1st day of January 2002, between Imaging3, Inc.
a California Corporation, hereafter known as ("company"), and Dean Janes, aka
The Janes Group, LLC, hereafter known as ("Consultant").

                                    RECITALS

A.   Consultant has acquired an extensive background in and knowledge of the
     business in which the Company is engaged.

B.   Company desire to retain Consultant's experience, skills, abilities, back-
     ground and knowledge and is willing to employ Consultant as a consultant to
     the Company upon the terms herein contained.

C.   Consultant desires to act as a consultant and is willing to do so upon said
     terms.

                                    AGREEMENT

1.  DUTIES

Now, THEREFORE, in consideration of the foregoing recitals and of the mutual
promises herein contained, it is agreed as follows:

1.01 Automatic Renewal

This contract shall be renewed automatically for succeeding terms of agreed upon
periods as set forth in Article 2, unless either party give notice to the other
at least thirty calendar days prior to the expiration of it's intention not to
renew this contract, such notice shall be given in writing and delivered to the
business address of the other party.

1.02 Duties

a.       The Company agrees to employ Consultant as a consultant to the Company
         on matters concerning the provision of Management, Administrative,
         Marketing and Financial services, and Consultant agrees to render such
         advice and consultation and to furnish such information to the Company
         as shall be required from time to time.

2. Term of Employment

Consultant shall be employed as a consultant commencing on the date of this
Agreement and continuing until such time Company withdraws this agreement.

<PAGE>

3. Compensation

Client agrees to pay Consultant for the services set forth in Article 1.02
above, the sum of Twelve Thousand Dollars ($12,000.00) as a retainer at the time
of execution of this agreement and continuing on the first of each month. In
addition to the retainer, Client agrees to pay monthly any and all reasonable
and necessary expenses incurred by Contractor on behalf of client in connection
with the services described in Article 1.02 of this agreement. This retainer is
due and payable the 1st of each and every month that this agreement is in force.

As further compensation for rendering the services pursuant to this Agreement
and for holding himself available to do so, commencing on June 1, 2002,
Consultant shall be paid by the Company, a fee of $137,208.85 for services
previously rendered.

It is intended that the fees paid to Consultant hereunder shall constitute
earnings from self- employment income. Company will not withhold any amounts as
federal income tax withholding from wages or as employee contributions under the
Federal Insurance Contributions Act of the contributions there under with
respect thereto. Consultant shall be solely responsible for the estimation and
payment of any Federal and State income taxes and Federal Insurance
Contributions on self-employment income attributable to said fees.

4. Termination

If Consultant dies, this Agreement shall terminate on the last day of the month
of his death and proceeds for that month shall be forwarded to Consultants
beneficiary.

5. Additional Benefits

         a.       Company shall reimburse Consultant for the expenses of all
                  travel done by Consultant to fulfill his obligations under the
                  terms of this Agreement.

         b.       Indemnification of Losses of Employee - Company shall
                  Indemnify Consultant for all losses sustained by Consultant in
                  direct consequence of the discharge of his obligations under
                  this contract.

         c.       Contract Continuation during Disability - If Consultant for
                  any reason whatsoever becomes permanently disabled so that he
                  is unable to perform the duties prescribed herein, Company
                  agrees to pay Consultant the fees described in Section 3 above
                  for services rendered to date.

6. Reimbursement of Other Expenses

         a.       Company shall promptly reimburse Consultant for all other
                  reasonable business expenses incurred by Consultant in connec-
                  tion with the business of the Company.

         b.       Each such expenditure shall be reimbursable only of consultant
                  furnished to Company adequate records and other documentary
                  evidence required by Federal and State statutes and regula-
                  tions issued by the appropriate taxing authorities and

<PAGE>

                  substantiation of each such expenditures as an income tax
                  deduction.

7. Miscellaneous

         a.       Partial Invalidity - If any term or provision of this
                  Agreement of the application, thereof to any person or
                  circumstances shall, to any extent, be invalid or
                  unenforceable, the remainder of this Agreement or the
                  application of such term of provision to persons of
                  circumstances other than those as to which it is held invalid
                  or unenforceable, shall not be affected thereby, and each such
                  term and provision of this Agreement shall be valid and be
                  enforced to the fullest extent permitted by law.

         b.       Waiver - No waiver of any breach of any covenant or provision
                  herein contained shall be deemed a waiver of any preceding or
                  succeeding breach thereof, or of any other covenant or
                  provision herein contained. No extension of time for
                  performance of any obligation or act shall be deemed an
                  extension of time for performance of any other obligation of
                  act.

         c.       All notices or other communications required or permitted
                  hereunder shall be in writing, and shall be sent by registered
                  or certified mail, postage prepaid, return receipt requested
                  and shall be deemed received upon mailing thereof:

                  To: E. Xavier Aguilera
                  303 North Glenoaks Blvd, #605
                  Burbank, California 91502

                  To: Dean Janes aka The Janes Group, LLC
                  3200 West Valhalla Drive
                  Burbank, California 91505

         Notices of change of address shall be given by written notice in the
         manner detailed in this subparagraph (c).

         d.       Successors and Assigns - This agreement shall be binding upon
                  and shall inure to the benefit of the permitted successors and
                  assigns of the parties hereto.

         e.       Professional Fees - In the event of the bringing of any action
                  or suit by a party hereto against another party hereunder by
                  reason of any breach of any of the covenants, agreements or
                  provision on the part of the other party arising out of this
                  Agreement, then in that event the prevailing party shall be
                  entitled to have and recover of and from the other party all
                  costs and expenses of the action or suit, including actual
                  attorneys' fees, accounting fees, and any other professional
                  fees resulting there from.

         f.       Entire Agreement - This Agreement is the final expression of
                  and contains the entire Agreement between, the parties with

<PAGE>

                  respect to the subject matter thereof and supersedes all prior
                  understanding with respect thereto. This Agreement may not be
                  modified, changed, supplemented or terminated, nor may any
                  obligations hereunder be waived, except by written instrument
                  signed by the party to be charged or by this agent duly author
                  -ized in writing or as otherwise expressly permitted herein.
                  The parties do not intend to confer any benefit hereunder on
                  any person, firm or corporation other than the parties hereto.

         g.       Construction - Heading at the beginning of each paragraph and
                  subparagraph are solely for the convenience of the parties and
                  are not a part of the Agreement. Whenever required by the
                  contest of this Agreement, the Singular shall include the
                  plural and the masculine shall include the feminine. This
                  Agreement shall not be construed as if it had been prepared by
                  one of the parties, but rather as if both parties had prepared
                  the same. Unless otherwise indicated, all references to para-
                  graphs and subparagraphs are to this Agreement. In the event
                  the date on which any party is required to take any action
                  under the terms of this Agreement is not a business day, the
                  action shall be taken to the next succeeding day.

         h.       Governing Law - The parties hereto expressly agree that this
                  Agreement shall be governed by, interpreted under and
                  construed and enforced in accordance with the laws of the
                  State of California.

         i.       Effect of Merger, Transfer of Assets or Dissolution - This
                  Agreement shall not be terminated by any voluntary or
                  involuntary dissolution of Company resulting from either a
                  merger or consolidation in which Company is not the
                  consolidated or surviving corporation, or a transfer of all or
                  substantially all of the assets of the Company. In the event
                  of any such merger or consolidation or transfer of assets,
                  Company's rights, benefits and obligations hereunder shall be
                  assigned to the surviving or resulting corporation or the
                  transferee of Company assets.

Executed by the parties as of the date first written above.

                                            /s/ Dean Janes
                                            ------------------------------------
                                            Dean Janes aka The Janes Group

                                            /s/ E. Xavier Aguilera
                                            ------------------------------------
                                            E. Xavier Aguilera
                                            Imaging3, Inc.

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