Source: https://patents.google.com/patent/US9724058B2/en
Timestamp: 2020-05-29 18:03:29
Document Index: 585705161

Matched Legal Cases: ['Application No. 60', 'application No. 10', 'Application No. 60', 'Application No. 03806361', 'Application No. 03806361', 'Application No. 2003', 'Application No. 10179317', 'Application No. 14198682', 'application No. 10179317', 'Application No. 2004']

US9724058B2 - Systems and methods for imaging large field-of-view objects - Google Patents
Systems and methods for imaging large field-of-view objects Download PDF
US9724058B2
US9724058B2 US15/218,407 US201615218407A US9724058B2 US 9724058 B2 US9724058 B2 US 9724058B2 US 201615218407 A US201615218407 A US 201615218407A US 9724058 B2 US9724058 B2 US 9724058B2
US15/218,407
US20160331335A1 (en
2002-03-19 Priority to US36606202P priority Critical
2003-03-18 Priority to US10/392,365 priority patent/US7108421B2/en
2006-09-18 Priority to US11/522,794 priority patent/US7661881B2/en
2010-01-08 Priority to US12/684,430 priority patent/US8678647B2/en
2014-03-24 Priority to US14/223,361 priority patent/US9398886B2/en
2016-07-25 Priority to US15/218,407 priority patent/US9724058B2/en
2016-07-25 Application filed by Medtronic Navigation Inc filed Critical Medtronic Navigation Inc
2016-07-28 Assigned to BREAKAWAY IMAGING, LLC reassignment BREAKAWAY IMAGING, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GRANT, RICHARD K., GREGERSON, EUGENE A., JOHNSON, NORBERT
2016-07-28 Assigned to MEDTRONIC NAVIGATION, INC. reassignment MEDTRONIC NAVIGATION, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BREAKAWAY IMAGING, LLC
2016-11-17 Publication of US20160331335A1 publication Critical patent/US20160331335A1/en
2017-08-08 Publication of US9724058B2 publication Critical patent/US9724058B2/en
G01N23/043—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
This application is a divisional of U.S. patent application Ser. No. 14/223,361 filed on Mar. 24, 2014, which is a continuation of U.S. patent application Ser. No. 12/684,430 filed on Jan. 8, 2010, now U.S. Pat. No. 8,678,647 issued on Feb. 16, 2010, which is a continuation of U.S. patent application Ser. No. 11/522,794 filed on Sep. 18, 2006, now U.S. Pat. No. 7,661,882 issued on Feb. 16, 2010, which is a continuation of U.S. patent application Ser. No. 10/392,365 filed on Mar. 18, 2003, now U.S. Pat. No. 7,108,421 issued on Sep. 19, 2006, which claims benefit of U.S. Patent Application No. 60/366,062 filed on Mar. 19, 2002. The entire disclosures of each of the above applications are incorporated herein by reference.
The x-ray imaging systems and methods described herein may be advantageously used for two-dimensional and/or three-dimensional x-ray scanning. Individual two-dimensional projections from set angles along the gantry rotation can be viewed, or multiple projections collected throughout a partial or full rotation may be reconstructed using cone or fan beam tomographic reconstruction techniques. This invention could be used for acquiring multi-planar x-ray images in a quasi-simultaneous manner, such as described in commonly-owned U.S. patent application No. 10/389,268 entitled “Systems and Methods for Quasi-Simultaneous Multi-Planar X-Ray Imaging,” , filed on Mar. 13, 2003, now U.S. Pat. No. 7,188,998, issued on Mar. 13, 2007, the entire teachings of which are incorporated herein by reference. Also, the images acquired at each detector position could be reprojected onto virtual equilinear or equiangular detector arrays prior to performing standard filtered backprojection tomographic reconstruction techniques, as described in commonly-owned U.S. Provisional Application No. 60/405,096, filed on Aug. 21, 2002.
1. A method of operating an image apparatus, comprising:
positioning a beam such that a trajectory of the beam follows the path of the translating detector; and
moving a rotor within a gantry such that the beam follows the path of the translating detector;
wherein the detector and a beam source that emits the beam are movably mounted to the rotor.
2. A method of operating an image apparatus, comprising:
driving a beam source with a motor to pivotally move the beam source on a swiveling source mount;
wherein the beam source is mounted to a source frame having at least two separated walls and a series of lateral members extending between the at least two separated walls and the swiveling source mount to pivotally hold the source relative to the source frame.
3. A method of operating an image apparatus, comprising:
moving a detector carriage relative to a detector frame having at least two separated walls and a series of lateral members extending between the at least two separated walls;
wherein the detector is mounted to the detector carriage to hold the detector.
4. The method of claim 1, further comprising moving separately all of the beam source, the detector, and the rotor while obtaining images of the object.
5. The method of claim 1, further comprising rotating the rotor within an interior cavity of the gantry over a 360° circumference of the gantry.
6. The method of claim 1, further comprising moving a source housing within a source stage to move the source housing about a central point to direct the beam onto the detector.
7. The method of claim 1, wherein the beam is projected by the beam source, and the trajectory of the beam is altered by tilting the beam source.
8. The method of claim 1, wherein translating the detector further includes translating the detector along an arc.
9. The method of claim 1, wherein translating the detector further includes translating the detector along a line.
10. A method of operating an image apparatus, comprising:
positioning a detector to image at least a portion of a volume configured to hold an object larger than a field-of-view of the detector, including:
positioning the detector at a first position within a gantry to image a first portion of the object;
positioning a beam such that the beam is detected by the detector at the first position;
moving the detector to a second position within the gantry to image the first portion of the object;
moving the beam such that the beam is detected by the detector at the second position; and
moving a rotor within the gantry from a first angle to a second angle;
wherein both of the detector and a beam source that emits the beam are moveably mounted to the rotor.
moving all of the beam source, the detector, and the rotor to minimize exposure of the object to radiation while obtaining images of the object.
moving separately all of the beam source, the detector, and the rotor while obtaining images of the object.
13. The method of claim 10, wherein moving the detector to the second position within the gantry includes moving the detector along an arc.
14. The method of claim 10, wherein moving the detector to the second position within the gantry includes moving the detector along a line.
15. A method of operating an imaging apparatus, comprising:
positioning an object within an O-shaped gantry;
rotating a rotor carrying a source and a detector within an interior cavity of the gantry about the object;
positioning the detector to image a portion of the object that is larger than a field-of-view of the detector;
translating the detector to multiple positions relative to the object; and
positioning a beam from the source such that a trajectory of the beam follows the path of the translating detector.
16. The method of claim 15, further comprising utilizing a detector positioner to translate the detector to the multiple positions.
17. The method of claim 15, wherein the detector is translated along one of an arc or along a line.
18. The method of claim 15, further comprising tilting the source at a focal point to change the trajectory of the beam to follow the path of the translating detector.
US15/218,407 2002-03-19 2016-07-25 Systems and methods for imaging large field-of-view objects Active US9724058B2 (en)
US36606202P true 2002-03-19 2002-03-19
US10/392,365 US7108421B2 (en) 2002-03-19 2003-03-18 Systems and methods for imaging large field-of-view objects
US11/522,794 US7661881B2 (en) 2002-03-19 2006-09-18 Systems and methods for imaging large field-of-view objects
US12/684,430 US8678647B2 (en) 2002-03-19 2010-01-08 Systems and methods for imaging large field-of-view objects
US14/223,361 US9398886B2 (en) 2002-03-19 2014-03-24 Systems and methods for imaging large field-of-view objects
US15/218,407 US9724058B2 (en) 2002-03-19 2016-07-25 Systems and methods for imaging large field-of-view objects
US14/223,361 Division US9398886B2 (en) 2002-03-19 2014-03-24 Systems and methods for imaging large field-of-view objects
US20160331335A1 US20160331335A1 (en) 2016-11-17
US9724058B2 true US9724058B2 (en) 2017-08-08
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US12/684,430 Active 2023-07-15 US8678647B2 (en) 2002-03-19 2010-01-08 Systems and methods for imaging large field-of-view objects
US14/223,361 Active 2023-05-08 US9398886B2 (en) 2002-03-19 2014-03-24 Systems and methods for imaging large field-of-view objects
US15/218,407 Active US9724058B2 (en) 2002-03-19 2016-07-25 Systems and methods for imaging large field-of-view objects
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EP2345370A2 (en) 2011-07-20
AU2003224711A1 (en) 2003-10-08
WO2003081220A2 (en) 2003-10-02
US8678647B2 (en) 2014-03-25
US20100142671A1 (en) 2010-06-10
CN1643371B (en) 2011-07-06
EP2915488A3 (en) 2016-01-13
US20040013225A1 (en) 2004-01-22
US20070086566A1 (en) 2007-04-19
US9398886B2 (en) 2016-07-26
EP2345370A3 (en) 2012-05-09
WO2003081220A3 (en) 2004-04-01
US20160331335A1 (en) 2016-11-17
US7661881B2 (en) 2010-02-16
EP1485697A2 (en) 2004-12-15
EP2915488B1 (en) 2019-06-05
CN1643371A (en) 2005-07-20
EP2915488A2 (en) 2015-09-09
US7108421B2 (en) 2006-09-19
AU2003224711A8 (en) 2003-10-08
US20140205074A1 (en) 2014-07-24
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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GREGERSON, EUGENE A.;GRANT, RICHARD K.;JOHNSON, NORBERT;REEL/FRAME:039280/0024
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:BREAKAWAY IMAGING, LLC;REEL/FRAME:039502/0117
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