CA2653601A1 - Cannula delivery apparatus and method for a disposable infusion device - Google Patents

Cannula delivery apparatus and method for a disposable infusion device Download PDF

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Publication number
CA2653601A1
CA2653601A1 CA002653601A CA2653601A CA2653601A1 CA 2653601 A1 CA2653601 A1 CA 2653601A1 CA 002653601 A CA002653601 A CA 002653601A CA 2653601 A CA2653601 A CA 2653601A CA 2653601 A1 CA2653601 A1 CA 2653601A1
Authority
CA
Canada
Prior art keywords
cannula
needle
patient
driver
skin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002653601A
Other languages
French (fr)
Other versions
CA2653601C (en
Inventor
Brett J. Carter
Clifton A. Alferness
John M. Adams
Daniel Hawkins
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Calibra Medical LLC
Original Assignee
Calibra Medical, Inc.
Brett J. Carter
Clifton A. Alferness
John M. Adams
Daniel Hawkins
Seattle Medical Technologies, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Calibra Medical, Inc., Brett J. Carter, Clifton A. Alferness, John M. Adams, Daniel Hawkins, Seattle Medical Technologies, Inc. filed Critical Calibra Medical, Inc.
Publication of CA2653601A1 publication Critical patent/CA2653601A1/en
Application granted granted Critical
Publication of CA2653601C publication Critical patent/CA2653601C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means
    • A61M2005/14256—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means with means for preventing access to the needle after use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1585—Needle inserters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2209/00—Ancillary equipment
    • A61M2209/04—Tools for specific apparatus
    • A61M2209/045—Tools for specific apparatus for filling, e.g. for filling reservoirs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
    • A61M5/152—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags pressurised by contraction of elastic reservoirs

Abstract

An infusion system comprises a disposable wearable infusion device having a body arranged to be adhered to a patient's skin and a reservoir for holding a liquid medicant to be infused into the patient. The infusion system further includes a cannula driver arranged to be detachably joined with the infusion device. The cannula driver includes a cannula and is arranged to drive the cannula into a deployed position extending from the infusion device to beneath the patient's skin.

Claims (45)

1. An infusion system comprising:

a disposable wearable infusion device having a body arranged to be adhered to a patient's skin and a reservoir for holding a liquid medicant to be infused into the patient;
and a cannula driver arranged to be detachably joined with the infusion device and including a cannula, the cannula driver being arranged to drive the cannula into a deployed position extending from the infusion device to beneath the patient's skin.
2. The system of claim 1, wherein the cannula driver includes a needle carrying the cannula, and wherein the cannula driver is arranged to translate the needle and cannula into the deployed position beneath the patient's skin.
3. The system of claim 2, wherein the cannula driver includes a drive element that drives the needle and cannula into the deployed position beneath the patient's skin.
4. The system of claim 3, wherein the drive element includes a spring.
5. The system of claim 3, wherein the cannula driver includes an actuator which, when depressed, releases the drive element to drive the needle and cannula into the deployed position beneath the patient's skin.
6. The system of claim 5, wherein the actuator includes a pair of actuator buttons which, when concurrently depressed, release the drive element to drive the needle and cannula into the deployed position beneath the patient's skin.
7. The system of claim 5, wherein the cannula driver is placeable into a drive configuration with respect to the infusion device and wherein the actuator is enabled only when the cannula driver is placed into the drive configuration.
8. The system of claim 1, wherein the cannula driver includes a needle carrying the cannula, wherein the cannula driver is arranged to translate the needle and cannula from the cannula driver to the deployed position beneath the patient's skin, and wherein the cannula driver is further arranged to withdraw the needle from the cannula and return the needle to the cannula driver leaving the cannula in the deployed position beneath the patient's skin.
9. The system of claim 8, wherein the cannula driver further includes a cannula reinforcement structure that reinforces the cannula, wherein the cannula driver is arranged to translate the needle, the cannula reinforcement structure and the cannula to the deployed position beneath the patient's skin, and wherein the cannula driver is further arranged to withdraw the needle from the cannula and return the needle to the cannula driver leaving the cannula and the cannula reinforcement structure in the deployed position beneath the patient's skin.
10. The system of claim 9, wherein the cannula reinforcement structure is formed of metal.
11. The system of claim 9, wherein the cannula reinforcement structure comprises a tubular member coaxially disposed between the needle and the cannula.
12. The system of claim 11, wherein the tubular member is coextensive with only a portion of the cannula.
13. The system of claim 8, wherein the cannula driver includes a drive element that withdraws the needle from the cannula and returns the needle to the cannula driver leaving the cannula in the deployed position beneath the patient's skin.
14. The system of claim 13, wherein the drive element is a spring.
15. The system of claim 13, wherein the cannula driver includes an actuator which, when depressed, releases the drive element to withdraw the needle leaving the cannula in the deployed position beneath the patient's skin.
16. The system of claim 15, wherein the actuator includes a pair of actuator buttons which, when concurrently depressed, release the drive element to withdraw the needle leaving the cannula in the deployed position beneath the patient's skin.
17. The system of claim 13, wherein the cannula driver further includes an actuator that causes the drive element to withdraw the needle from the cannula responsive to the cannula reaching the deployed position.
18. The system of claim 13, wherein the cannula driver further includes a compartment that receives the needle upon being returned to the cannula driver for safe storage and sharps disposal.
19. The system of claim 1, further including a cannula carrier that carries the cannula into the deployed position, the cannula carrier including a fluid coupler that couples the cannula to receive the liquid medicant from the reservoir when the cannula carrier reaches the deployed position.
20. The system of claim 19, wherein the device body includes a septum for receiving the cannula carrier.
21. The system of claim 20, wherein the septum has a center axis, wherein the cannula has a center axis, and wherein the cannula center axis is offset from the septum center axis.
22. The system of claim 20, wherein the cannula driver includes a needle carrying the cannula and the cannula carrier, and wherein the cannula driver is arranged to translate the needle, the cannula and cannula carrier through the septum and into the deployed position beneath the patient's skin.
23. The system of claim 19, wherein the fluid coupler of the cannula carrier includes a chamber in fluid communication with the cannula.
24. The system of claim 23, wherein the device further includes a reservoir conduit for fluid communication with the reservoir and wherein the chamber includes an input for receiving the reservoir conduit when the cannula carrier is in the deployed position.
25. The system of claim 24, wherein the chamber input is a membrane penetrable by the reservoir conduit.
26. The system of claim 24, wherein the chamber input is a port arranged to receive the reservoir conduit.
27. The system of claim 24, wherein the device body includes a septum for receiving the cannula carrier and wherein the chamber includes a second input for receiving a bolus from a syringe needle extending through the septum.
28. The system of claim 27, wherein the second chamber input comprises a membrane penetrable by the syringe needle.
29. The system of claim 27, wherein the septum has a center axis, wherein the cannula has a center axis, and wherein the cannula center axis is offset from the septum center axis.
30. The system of claim 19, further comprising a lock that locks the cannula carrier to the infusion device when the cannula reaches the deployed position.
31. The system of claim 30, wherein the lock comprises a latch carried by the infusion device.
32. A method comprising:

providing a disposable infusion device adapted to adhere to a patient's skin and having a reservoir for holding a liquid medicant to be infused into the patient;

detachably joining the infusion device to a cannula driver containing the cannula;

adhering the device to the patient's skin; and driving the cannula from the cannula driver through the device to a deployed position beneath the skin of the patient.
33. The method of claim 32, wherein the cannula driver includes a needle carrying the cannula, and wherein the driving step includes driving the needle and cannula from the cannula driver into the deployed position beneath the patient's skin.
34. The method of claim 33, wherein the cannula driver includes a drive element that drives the needle and wherein the driving step includes releasing the drive element.
35. The method of claim 34, wherein the cannula driver includes an actuator which, when depressed, releases the drive element to drive the needle and cannula into the deployed position beneath the patient's skin and wherein the releasing step comprises depressing the actuator.
36. The method of claim 35, wherein the cannula driver is placeable into a drive configuration with respect to the infusion device, wherein the actuator is enabled only when the cannula driver is placed into the drive configuration and wherein the method further comprises the step of placing the cannula driver into the drive configuration to enable the actuator.
37. The method of claim 35, wherein the actuator includes a pair of actuator buttons which, when concurrently depressed, release the drive element to drive the needle and cannula into the deployed position beneath the patient's skin and wherein the releasing step includes concurrently depressing the pair of actuator buttons.
38. The method of claim 33, including the further steps of withdrawing the needle from the cannula and returning the needle to the cannula driver leaving the cannula in the deployed position beneath the patient's skin.
39. The method of claim 38, wherein the cannula driver includes a drive element that withdraws the needle and wherein the withdrawing step includes releasing the drive element.
40. The method of claim 39, wherein the cannula driver includes an actuator which, when depressed, releases the drive element to withdraw the needle leaving the cannula in the deployed position beneath the patient's skin and wherein the releasing step comprises depressing the actuator.
41. The method of claim 40, wherein the cannula driver is placeable into a drive configuration with respect to the infusion device, wherein the actuator is enabled only when the cannula driver is placed into the drive configuration and wherein the method further comprises the step of placing the cannula driver into the drive configuration to enable the actuator.
42. The method of claim 40, wherein the actuator includes a pair of actuator buttons which, when concurrently depressed, release the drive element to withdraw the needle leaving the cannula in the deployed position beneath the patient's skin and wherein the releasing step comprises concurrently depressing the pair of actuator buttons.
43. The method of claim 37, comprising the further step of detaching the cannula driver from the infusion device after the needle has been withdrawn from the cannula and returned to the cannula driver.
44. An infusion device comprising:

an enclosure having a base arranged to contact a patient's skin, the enclosure having a port;

a reservoir for containing a liquid medicament; and a cannula received within the port for delivering the liquid medicament from the reservoir to beneath the patient's skin, the port being arranged for receiving a liquid medicament from an external source and being in fluid communication with the cannula for delivery of the liquid medicament received by the port from the external source to beneath the patient's skin.
45. An infusion system comprising:

a disposable wearable infusion device having a body arranged to be adhered to a patient's skin and a reservoir for holding a liquid medicant to be infused into the patient;
and a cannula driver including a cannula, the cannula driver being arranged to drive the cannula into a deployed position beneath the patient's skin and the cannula being arranged to be joined with the infusion device.
CA2653601A 2006-05-31 2007-05-25 Cannula delivery apparatus and method for a disposable infusion device Active CA2653601C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US80995706P 2006-05-31 2006-05-31
US60/809,957 2006-05-31
US11/641,596 US20070282269A1 (en) 2006-05-31 2006-12-18 Cannula delivery apparatus and method for a disposable infusion device
US11/641,596 2006-12-18
PCT/US2007/012522 WO2007142890A2 (en) 2006-05-31 2007-05-25 Cannula delivery apparatus and method for a disposable infusion device

Publications (2)

Publication Number Publication Date
CA2653601A1 true CA2653601A1 (en) 2007-12-13
CA2653601C CA2653601C (en) 2015-07-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2653601A Active CA2653601C (en) 2006-05-31 2007-05-25 Cannula delivery apparatus and method for a disposable infusion device

Country Status (7)

Country Link
US (2) US20070282269A1 (en)
EP (1) EP2029200A4 (en)
JP (1) JP5126753B2 (en)
AU (1) AU2007255596B2 (en)
CA (1) CA2653601C (en)
IL (1) IL195563A (en)
WO (1) WO2007142890A2 (en)

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