Source: http://www.google.com/patents/US20080051714?dq=6,202,00
Timestamp: 2014-03-17 05:45:39
Document Index: 726224769

Matched Legal Cases: ['application No. 60', 'application No. 60', 'application No. 60', 'application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60']

Patent US20080051714 - Infusion medium delivery system, device and method with needle inserter and ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsAn infusion medium delivery system, device and method for delivering an infusion medium to a patient-user, includes a needle inserter device and method for inserting a needle and/or cannula into a patient-user to convey the infusion medium to the patient-user. The needle inserter device and method operate...http://www.google.com/patents/US20080051714?utm_source=gb-gplus-sharePatent US20080051714 - Infusion medium delivery system, device and method with needle inserter and needle inserter device and methodAdvanced Patent SearchPublication numberUS20080051714 A1Publication typeApplicationApplication numberUS 11/646,000Publication dateFeb 28, 2008Filing dateDec 26, 2006Priority dateAug 23, 2006Also published asCA2659005A1, CN101631585A, CN101631585B, EP2061543A2, US7455663, US7682338, US7736338, US7789857, US8172804, US8226615, US8475432, US20080051718, US20080051730, US20080051738, US20080269683, US20090082728, US20100331824, WO2008024810A2, WO2008024810A3Publication number11646000, 646000, US 2008/0051714 A1, US 2008/051714 A1, US 20080051714 A1, US 20080051714A1, US 2008051714 A1, US 2008051714A1, US-A1-20080051714, US-A1-2008051714, US2008/0051714A1, US2008/051714A1, US20080051714 A1, US20080051714A1, US2008051714 A1, US2008051714A1InventorsSheldon B. Moberg, Paul F. Bente, Bradley J. Enegren, Christopher G. Griffin, Ian B. Hanson, Julian D. Kavazov, R. Paul Mounce, Stutz H. WilliamOriginal AssigneeMedtronic Minimed, Inc.Export CitationBiBTeX, EndNote, RefManReferenced by (13), Classifications (19), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetInfusion medium delivery system, device and method with needle inserter and needle inserter device and methodUS 20080051714 A1Abstract An infusion medium delivery system, device and method for delivering an infusion medium to a patient-user, includes a needle inserter device and method for inserting a needle and/or cannula into a patient-user to convey the infusion medium to the patient-user. The needle inserter device and method operate to insert a needle and cannula into a patient-user's skin and automatically withdraw the needle from the patient-user, leaving the cannula in place and in fluid flow communication with a reservoir. The delivery device may include a base portion and a durable portion connectable to the base portion, and wherein the base portion can be separated from the durable portion and disposed of after one or more specified number of uses. The base portion supports the reservoir and the needle inserter device, while the durable portion supports a drive device for selectively driving the infusion medium out of the reservoir and into the needle and/or cannula.
a housing structure; a moveable needle supported by the housing structure for movement between a retracted position and an extended position; a needle carriage supported for movement by the housing structure with the moveable needle, between the retracted position and the extended position, the needle carriage having a needle passage through which the moveable needle extends when the moveable needle and needle carriage are in the retracted position and moving toward the extended position; a hollow needle or cannula attached to the needle carriage and moveable with the needle carriage between the retracted position and the extended position, the hollow needle or cannula having a central passage through which the moveable needle extends when the moveable needle, needle carriage and hollow needle or cannula are in the retracted position and moving toward the extended position; a locking structure for locking the needle carriage and hollow needle or cannula in the extended position, upon the needle carriage and hollow needle or cannula being moved to the extended position; a bias member operatively coupled to the moveable needle, for withdrawing the moveable needle from at least a portion of the hollow needle or cannula, once the needle carriage and hollow needle or cannula are locked in the extended position by the locking structure. 2. The needle injector device of claim 1, wherein the housing structure is securable to a patient-user's skin and wherein the hollow needle or cannula are located in a position to extend into the patient-user's skin, upon the housing structure being secured to the patient-user's skin and the needle carriage and hollow needle or cannula are locked in the extended position.
3. The needle injector device of claim 1, wherein the housing structure is securable to a patient-user's skin, wherein the moveable needle is located in a position to pierce the patient-user's skin, when the housing structure is secured to the patient-user's skin and the moveable needle is moved to the extended position, and wherein the moveable needle is located in a position external to the patient-user's skin, when the housing structure is secured to the patient-user's skin and the moveable needle is in a retracted position.
4. The needle injector device of claim 1, wherein the bias member comprises a spring.
5. The needle injector device of claim 1, wherein the housing structure includes an opening through which an external plunger may be inserted for imparting a force on the moveable needle in a direction for moving the moveable needle from a retracted position to the extended position.
6. The needle injector device of claim 5, wherein the moveable needle comprises a needle head arranged to be contacted by the external plunger when the external plunger is inserted through the opening in the housing structure.
7. The needle injector device of claim 1, wherein:
the housing structure includes a wall having an opening through which an external plunger may be inserted for imparting a force on the moveable needle in a direction for moving the moveable needle from a retracted position to the extended position, the wall having an interior surface; the moveable needle comprises a needle head that is arranged adjacent the interior surface of the wall, when the moveable needle is in the retracted position; and the needle injector device further comprising a seal disposed between the needle head of the moveable needle and the interior surface of the wall of the housing structure, to provide a seal between the moveable needle and the interior surface of the wall when the moveable needle is in the retracted position. 8. The needle injector device of claim 7, wherein:
at least one of the needle head and the interior surface of the wall includes an annular groove; and the seal comprises an annular seal disposed at least partially within the annular groove. 9. The needle injector device of claim 8, wherein the other one of the needle head and the interior surface of the wall has an annular protrusion for engaging the annular seal, when the moveable needle is in the retracted position.
10. The needle injector device of claim 1, wherein the locking structure comprises at least one pivotal or flexible pawl for engaging an engagement surface on the needle carriage, when the needle carriage is moved to the extended position.
11. The needle injector device of claim 1, wherein the needle carriage comprises:
a body having a fluid flow passage in fluid flow communication with the needle passage; a further hollow needle connected in fluid flow communication with the fluid flow passage and arranged in a position to pierce a septum and be connected in fluid flow communication with a further fluid flow passage that is in fluid flow communication with a reservoir connector. 12. A delivery device for delivery of infusion medium to a patient-user, the delivery device comprising a reservoir for containing an infusion medium and having an outlet port, a fluid conduit connected in fluid flow communication with the outlet port of the reservoir, a drive device operatively connectable to the reservoir, for selectively driving the infusion medium from the reservoir and a needle injector device according to claim 1, wherein the hollow needle or cannula is connected in fluid flow communication with the fluid conduit when the needle carriage and hollow needle or cannula are in the extended position.
13. A needle injector device of claim 1, further comprising a second bias member for imparting a bias force on the needle carriage in a direction toward the extended position.
14. A needle injector device of claim 13, further comprising a manual actuator operable from outside of the housing structure, for selectively releasing the needle carriage to move under the force of the second bias member from the retracted position to the extended position.
15. A needle injector device of claim 13, wherein the second bias member comprises a spring.
16. A needle injector device of claim 13, wherein the second bias member comprises a coil spring extending between the needle carriage and an interior surface of the housing structure.
17. A needle injector device of claim 13, wherein the second bias member comprises a rotatable cam, having a cam surface imparts a bias force on the moveable needle in a direction toward the extended position, as the cam rotates.
18. A needle injector device of claim 17, wherein the rotatable cam comprises a disk-shaped member having a width that varies across its diameter.
19. A needle injector device of claim 1, further comprising:
a movable lever moveable between a first lever position, in which the lever holds the moveable needle from movement in a direction toward a retracted position, and a second lever position, in which the lever releases the moveable needle and allows the moveable needle to move toward a retracted position under the force of the bias member; a spring having a coil portion, a first arm and a second arm, the first arm secured in a fixed relation relative to the housing structure and the second arm is moveable from a first position to a second position under a force provided by the coil portion; wherein the spring is arranged at a location relative to the movable needle to cause the second arm to apply a force to urge the moveable needle, needle carriage and hollow needle or cannula to the extended position as the second arm moves from a first position to a second position, and to move the lever from the first lever position to the second lever position after the moveable needle, needle carriage and hollow needle or cannula are moved to the extended position by the force of the second arm. 20. A needle injector device of claim 19, wherein the movable lever comprises a lever mounted for pivotal motion relative to the housing structure.
21. A needle injector device of claim 19, further comprising an actuator for holding the second arm of the spring in the first position and for selectively releasing the second arm of the spring to allow the second arm of the spring to move to the second position.
22. A needle injector device of claim 21, wherein the actuator comprises an operator accessible from outside of the housing structure.
23. A needle injector device of claim 1, wherein the bias member comprises a leaf spring having one end connected in a fixed relation relative to the housing structure and a second end connected to the moveable needle.
24. A needle injector device of claim 23, wherein the second end of the leaf spring is moveable from a first spring position at which the moveable needle, needle carriage and hollow needle or cannula are in a retracted position, to a second spring position at which the moveable needle, needle carriage and hollow needle are in the extended position and then to a third spring position at which the moveable needle is moved at least partially toward the retracted position while the needle carriage and hollow needle remain in the extended position.
25. A needle injector device of claim 24, further comprising a moveable actuator moveable from a first actuator position for holding the second end of the leaf spring in the first spring position to a second actuator position for releasing the second end of the leaf spring and allowing the leaf spring to move toward the extended position under its own spring force.
26. A delivery device for delivering an infusion medium to a user, the device comprising:
a housing structure adapted to be secured to a user's skin; a reservoir having an interior for containing a fluidic medium, the reservoir having an outlet port and being operatively coupled to a drive device to selectively drive fluid out the outlet port, from the reservoir interior; a channel having a longitudinal axis extending through the housing structure and having a first end open toward the user's skin when the housing structure is secured to the user's skin, the channel having a second end that may be open to operate with a needle injector; at least one flexible pawl arranged adjacent the channel and spaced from the channel axis; a cannula and cannula nest having, an engagement surface, the cannula and cannula nest having a size and shape capable of insertion into the channel to an extended position, wherein the cannula extends into the user's skin upon the cannula and cannula nest being in the extended position and the housing structure being secured to the user's skin and wherein the engagement surface of the cannula and cannula nest is arranged to be engaged by the flexible pawl, upon the cannula and cannula nest being in the extended position, to hold the cannula and cannula nest in the extended position. 27. A delivery device of claim 26, wherein the housing structure comprises a pivotal cover member, pivotal from a first position at which the cover member covers the second end of the channel and a second position at which the cover member exposes the second end of the channel.
28. A delivery device of claim 27, further comprising:
a self sealing septum located on the cannula nest, sealing a flow passage through the cannula; a second hollow needle secured in a fixed relation to the pivotal cover and moveable with the pivotal cover from the first position to the second position, wherein the second hollow needle is located to pierce the self sealing septum and be in fluid flow communication with the flow passage through the cannula when the second hollow needle is in the first position, and to be external to the septum when the second hollow needle is in the second position. 29. A delivery device according to claim 28, further comprising a conduit connecting the reservoir in fluid flow communication with the second hollow needle.
30. A delivery device for delivering an infusion medium to a user, the device comprising:
a housing structure adapted to be secured to a user's skin; a reservoir having an interior for containing a fluidic medium, the reservoir having an outlet port and being operatively coupled to a drive device to selectively drive fluid out the outlet port, from the reservoir interior; a needle injector device coupled in fluid-flow communication with the outlet port of the reservoir, for inserting a hollow needle or cannula into the user's skin, upon the housing structure being secured to the user's skin, the needle injector device comprising: a moveable needle supported by the housing structure for movement between a retracted position and an extended position; a needle carriage supported for movement by the housing structure with the moveable needle, between the retracted position and the extended position, the needle carriage having a passage through which the moveable needle extends when the moveable needle and needle carriage are in the retracted position and moving toward the extended position; a hollow needle or cannula attached to the needle carriage and moveable with the needle carriage between the retracted position and the extended position, the hollow needle or cannula having a central passage through which the moveable needle extends when the moveable needle, needle carriage and hollow needle or cannula are in the retracted position and moving toward the extended position; a locking structure for locking the needle carriage and hollow needle or cannula in the extended position, upon the needle carriage and hollow needle or cannula being moved to the extended position; a bias member operatively coupled to the moveable needle, for withdrawing the moveable needle from at least a portion of the hollow needle or cannula, once the needle carriage and hollow needle or cannula are locked in the extended position by the locking structure. Description
CROSS-REFERENCE TO RELATED PATENT APPLICATIONS The present invention relates to U.S. Provisional Patent Application 60/839,840, filed Aug. 23, 2006 (attorney docket no. 0384) and U.S. Provisional Patent Application 60/854,829, filed Oct. 27, 2006 (attorney docket no. 0401), each of which is incorporated herein in its entirety and forms a basis for a claim of priority. The present invention also relates to U.S. Patent Application 60/678,290, filed May 6, 2005 and U.S. patent application Ser. No. 11/211,095, filed Aug. 23, 2005, titled �Infusion Device And Method With Disposable Portion,� each of which is incorporated herein by reference in its entirety. The present invention further relates to co-pending application No. 60/839,822, filed Aug. 23, 2006, entitled �Infusion Medium Delivery Device And Method For Driving Plunger In Reservoir� (attorney docket no. 047711-0382); co-pending application No. 60/839,832, filed Aug. 23, 2006, titled �Infusion Medium Delivery Device And Method With Compressible Or Curved Reservoir Or Conduit� (attorney docket no. 047711.0383); co-pending application No. 60/839,741, filed Aug. 23, 2006, titled �Infusion Pumps And Methods And Delivery Devices And Methods With Same� (attorney docket no. 047711.0385); and co-pending application No. 60/839,821, filed Aug. 23, 2006, titled �Systems And Methods Allowing For Reservoir Filling And Infusion Medium Delivery� (attorney docket no. 047711.0381), the contents of each of which is incorporated herein by reference, in its entirety. Embodiments of the present invention also relate to: (i) U.S. patent application Ser. No. 11/588,832, filed Oct. 27, 2006, entitled �Infusion Medium Delivery Device and Method with Drive Device for Driving Plunger in Reservoir� (attorney docket no. 047711.0387); (ii) U.S. patent application Ser. No. 11/588,847, filed Oct. 27, 2006, entitled �Infusion Medium Delivery Device and Method with Compressible or Curved Reservoir or Conduit� (attorney docket no. 047711.0390); (iii) U.S. patent application Ser. No. 11/588,875, filed Oct. 27, 2006, entitled �Systems And Methods Allowing For Reservoir Filling And Infusion Medium Delivery� (attorney docket no. 047711.0393); and (iv) U.S. patent application Ser. No. 11/589,323, filed Aug. 23, 2006, entitled �Infusion Pumps and Methods and Delivery Devices and Methods with Same� (attorney docket no. 047711.0398); (v) U.S. patent application Ser. No. Unassigned, filed Nov. 20, 2006, entitled �Systems and Methods Allowing for Reservoir filling and Infusion Medium Delivery� (attorney docket no. 047711.0397); (vi) U.S. patent application Ser. No. Unassigned, filed Nov. 20, 2006, entitled �Systems and Methods Allowing for Reservoir filling and Infusion Medium Delivery� (attorney docket no. 047711.0396); (vii) U.S. patent application Ser. No. Unassigned, filed Nov. 20, 2006, entitled �Systems and Methods Allowing for Reservoir filling and Infusion Medium Delivery� (attorney docket no. 047711.0395); (viii) U.S. patent application Ser. No. Unassigned, filed Nov. 20, 2006, entitled �Systems and Methods Allowing for Reservoir filling and Infusion Medium Delivery� (attorney docket no. 047711.0394); (ix) U.S. patent application Ser. No. Unassigned, filed Nov. 22, 2006, entitled �Infusion Medium Delivery Device and Method and Drive Device for Driving Plunger in Reservoir� (attorney docket no. 047711.0389); (x) U.S. patent application Ser. No. Unassigned, filed Nov. 22, 2006, entitled �Infusion Medium Delivery. Device and Method and Drive Device for Driving Plunger in Reservoir� (attorney docket no. 047711.0388), the contents of each of which are incorporated by reference herein, in their entirety.
Examples of patch-like delivery devices are described in U.S. patent application Ser. No. 11/211,095, filed Aug. 23, 2005, U.S. Patent Application No. 60/839,822, filed Aug. 23, 2006, titled �Infusion Medium Delivery Device And Method For Driving Plunger In Reservoir� (attorney docket no. 047711-0382), U.S. Patent Application No. 60/839,832, filed Aug. 23, 2006, titled �Infusion Medium Delivery Device And Method With Compressible Or Curved Reservoir Or Conduit� (attorney docket no. 047711-0383), and U.S. Patent Application No. 60/839,741, filed Aug. 23, 2006, titled �Infusion Pumps And Methods And Delivery Devices And Methods With Same� (attorney docket no. 047711-0385), each of which is incorporated herein, in its entirety. A delivery device according to embodiments of the present invention may be configured in accordance with any one of the delivery devices described in the above-referenced patent applications, and further includes a needle inserter device according to needle inserter embodiments described herein. A delivery device according to further embodiments of the present invention may be configured in accordance with other suitable delivery device designs, and further includes or is connected with a needle inserter device according to needle inserter embodiments described herein.
The rotary disk shaped cam member 250 is supported for rotation about the axis A1, on a rotary shaft 251. The rotary shaft 251 is operatively coupled, through suitable linkage structure (not shown), such as gears, belts, drive shafts or the like, to a drive device (not shown), for rotation about the axis A1. The drive device and linkage structures (not shown), may include any suitable drive device and linkage structures for providing selective rotational motion to the shaft 251. For example, an electronic motor or other drive device described herein may be employed. In a further embodiment, the rotary shaft 251 may be operatively coupled to a wound spring (or windable spring), to provide rotary drive force to the shaft 251, instead of an electronic motor. Further examples of drive device and linkage structures that selectively drive a rotatable shaft are described, for example, in U.S. patent application Ser. No. 11/211,095, filed Aug. 23, 2005, U.S. Patent Application No. 60/839,822, filed Aug. 23, 2006 (attorney docket no. 047711-0382), and U.S. Patent Application No. 60/839,832, filed Aug. 23, 2006 (attorney docket no. 047711-0383), each of which is incorporated herein by reference.
Various examples of mating arrangements, for directly connecting an injection site module 103 to a disposable housing portion are described with reference to FIGS. 36-41. FIGS. 36 and 37 show an example arrangement, in which an injection site module 103 includes at least one (two in FIG. 36) protruding engagement pawl 104 that are configured to be received in a corresponding number of receptacles on the disposable housing portion 20 (similar to the pawls 74 and receptacles 76 described in U.S. Patent Application No. 60/839,741, titled INFUSION PUMPS AND METHODS AND DELIVERY DEVICES AND METHODS WITH SAME, filed Aug. 23, 2006, (attorney docket no. 047711-0385), which has been incorporated herein by reference. In other embodiments, the pawl(s) 104 may be located on the disposable housing portion 20, while the corresponding receptacles may be located on the module 103. In yet other embodiments, each of the disposable housing portion 20 and the module 103 may include one or more pawls and one or more receptacles.
In yet other embodiments of using a hydrophobic material during priming, a needle inserter set may include a removable needle hub that is positioned within a hollow cannula when the cannula is inserted into the patient-user's skin and removed, leaving the cannula in place, after insertion of the cannula, such as, but not limited to a needle set configuration as described in U.S. Pat. No. 4,755,173, which is incorporated herein by reference in its entirety, and/or as employed in products produced by Medtronic, Inc., under the product name Paradigm� quick-set� and Paradigm�� sof-set�, each of which is a trademark of Medtronic-MiniMed, Inc. or Medtronic, Inc. With reference to FIG. 43, in such embodiments, the hollow needle 982 of the needle hub 986 may include a hydrophobic material 988 at its tip, for providing a back pressure against fluid flow of liquid infusion medium, but allow air to escape from the hollow needle during priming. In such an embodiment, the interior surface of the hollow needle 982 may include a coating or layer of hydrophobic material 988 at or near its piercing end, as shown in FIG. 43. Alternatively, or in addition, a plug of hydrophobic material may be placed in the hollow needle 982, for example, at or adjacent the piercing end of the needle. Alternatively, or in addition, a stop member 980 as described above may be employed during priming, for enhancing back pressure against fluid flow of liquid infusion medium, while allowing air to escape from the hollow needle.
Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8187232Sep 30, 2010May 29, 2012Medtronic Minimed, Inc.Needle insertion systems and methodsUS8206353Aug 25, 2009Jun 26, 2012Medtronic Minimed, Inc.Reservoir barrier layer systems and methodsUS8308679Dec 30, 2009Nov 13, 2012Medtronic Minimed, Inc.Alignment systems and methodsUS8414523 *Oct 28, 2010Apr 9, 2013Tandem Diabetes Care, Inc.Infusion pump with add-on modulesUS8435209Sep 16, 2011May 7, 2013Medtronic Minimed, Inc.Connection and alignment detection systems and methodsUS8597269Dec 29, 2008Dec 3, 2013Medtronic Minimed, Inc.Reservoir seal retainer systems and methodsUS20110040251 *Oct 28, 2010Feb 17, 2011Michael BlomquistInfusion pump with add-on modulesUS20110054399 *Sep 2, 2009Mar 3, 2011Medtronic Minimed, Inc.Insertion device systems and methodsUS20110054400 *Dec 29, 2009Mar 3, 2011Medtronic Minimed, Inc.Insertion device systems and methodsUS20110160650 *Dec 21, 2010Jun 30, 2011Medtronic Minimed, Inc.Retention systems and methodsUS20110160678 *Dec 21, 2010Jun 30, 2011Medtronic Minimed, Inc.Alignment and connection systems and methodsUS20110178461 *Jan 27, 2011Jul 21, 2011Medtronic Minimed, Inc.Insertion device systems and methodsUS20120029385 *Jan 27, 2011Feb 2, 2012Medtronic Minimed, Inc.Insertion device systems and methods* Cited by examinerClassifications U.S. Classification604/135International ClassificationA61M5/20Cooperative ClassificationA61M2005/1587, A61M5/158, A61M2005/14252, A61M2005/1581, A61M25/0606, A61M5/3287, A61M5/14248, A61M2005/1426, A61M2005/1583, A61M5/1413, A61M2005/1585, A61M2005/14268, A61M2005/3289European ClassificationA61M25/06C, A61M5/158, A61M5/14M, A61M5/142P2Legal EventsDateCodeEventDescriptionDec 26, 2006ASAssignmentOwner name: MEDTRONIC MINIMED, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MOBERG, SHELDON B.;BENTE, IV PAUL F.;ENEGREN, BRADLEY J.;AND OTHERS;REEL/FRAME:018747/0634;SIGNING DATES FROM 20061212 TO 20061219Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MOBERG, SHELDON B.;BENTE, IV PAUL F.;ENEGREN, BRADLEY J.;AND OTHERS;SIGNING DATES FROM 20061212 TO 20061219;REEL/FRAME:018747/0634RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google