INSERTION DEVICE SYSTEMS AND METHODS

• US 20110178461A1
• Filed: 01/27/2011
• Published: 07/21/2011
• Est. Priority Date: 09/02/2009
• Status: Active Grant

• Current Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Original Assignee: Medtronic Minimed Incorporated (Medtronic Plc)
• Inventors: CHONG, COLIN A., McGee, Tom, Livingston, Adam J., Lorenzen, Eric M., Bikovsky, Rafael, Ibranyan, Arsen, Masterson, Steven
• Granted Patent: US 8,932,256 B2
• Time in Patent Office: Days
• US Class Current: 604/151
• CPC Class Codes: A61B 17/3415 for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters A61B17/3417 takes precedence; body piercing catheter guide needles A61M25/06
• CPC Class Codes: A61B 2017/00526 Methods of manufacturing
• CPC Class Codes: A61B 2017/347 Locking means, e.g. for locking instrument in cannula
• CPC Class Codes: A61M 2005/14252 with needle insertion means
• CPC Class Codes: A61M 2005/14268 with a reusable and a disposable component
• CPC Class Codes: A61M 2005/1583 Needle extractors
• CPC Class Codes: A61M 2005/1585 Needle inserters
• CPC Class Codes: A61M 2209/045 for filling, e.g. for filling reservoirs
• CPC Class Codes: A61M 5/1413 Modular systems comprising interconnecting elements
• CPC Class Codes: A61M 5/14244 adapted to be carried by the patient, e.g. portable on the body
• CPC Class Codes: A61M 5/14248 of the skin patch type
• CPC Class Codes: A61M 5/1456 with a replaceable reservoir comprising a piston rod to be moved into the reservoir, e.g. the piston rod is part of the removable reservoir
• CPC Class Codes: A61M 5/158 Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
• CPC Class Codes: Y10T 29/49002 Electrical device making
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

An insertion device may include a device housing configured to be operatively engaged with and disengaged from a base, and engageable with an actuation device, the device housing having a carrier body supporting a piercing member. The carrier body moveable by a carrier body of the actuation device at least between a retracted position and an advanced position. The device housing having a section for supporting a portion of the carrier body of the device housing, the section moveable relative to the carrier body of the device housing to provide sufficient clearance to allow the carrier body of the device housing to be moved by the carrier body of the actuation device.

Claims

1. An insertion system, the insertion system comprising:

a device housing configured to be operatively engaged with and disengaged from a base adapted to be carried by a patient, the device housing engageable with an actuation device, the device housing comprising;

a carrier body arranged for movement within at least a portion of the device housing at least between a retracted position and an advanced position, the carrier body for supporting a piercing member in a position orientated for insertion through skin of the patient upon movement of the carrier body from the retracted position to the advanced position, the carrier body operatively engageable with a moveable carrier body of the actuation device so that the carrier body of the device housing moved by the carrier body of the actuation device at least between the refracted position and the advanced position; and

the device housing having a section for supporting a portion of the carrier body of the device housing and for preventing the carrier body of the device housing from moving to the advanced position, the section moveable relative to the carrier body of the device housing to provide sufficient clearance to allow the carrier body of the device housing to move to the advanced position in a case where the carrier body of the device housing is moved by the carrier body of the actuation device.

2. The insertion system of claim 1, the system further comprising:

the actuation device, the actuation device configured to be operatively engaged with and disengaged from the device housing, the carrier body of the actuation device arranged for movement within at least a portion of the actuation device at least between a retracted position and an advanced position, the carrier body of the actuation device operatively engageable with the carrier body of the device housing.

3. The insertion system of claim 2, the system further comprising:

a drive mechanism arranged within the actuation device to move the carrier body of the device housing from the retracted position toward the advanced position to insert at least a portion of the piercing member through skin of the patient.

4. The insertion system of claim 3, the drive mechanism configured to provide a rotational force to cause the carrier body of the device housing to move from the refracted position toward the advanced position to insert at least a portion of the piercing member through skin of the patient.

5. The insertion system of claim 2, the actuation device configured to cause movement of the section of the device housing to provide sufficient clearance to allow the carrier body of the device housing to move to the advanced position in a case where the carrier body of the device housing is moved by the carrier body of the actuation device.

6. The insertion system of claim 1, at least one of the device housing and the actuation device having a magnet, and the other of the at least one of the device housing and the actuation device having an attractive element for interacting with the magnet to connect the device housing and the actuation device.

7. The insertion system of claim 6, at least one of the carrier body of the device housing and the carrier body of the actuation device having a magnet, and the other of the at least one of the carrier body of the device housing and the carrier body of the actuation device having an attractive element for interacting with the magnet to connect the carrier body of the device housing and the carrier body of the actuation device.

8. The insertion system of claim 6, wherein the attractive element comprises one of a ferrous material and a magnet.

9. The insertion system of claim 1, the device housing further comprising:

an engagement member engageable with and disengageable from the base to operatively engage and disengage the device housing and the base;

wherein at least one of the base and the engagement member configured such that the engagement member is prevented from engaging the base in a case where the engagement member has been disengaged from the base unless a second force having a magnitude equal to or greater than the first force is applied to the engagement member.

10. The insertion system of claim 1, wherein the piercing member comprises a needle.

11. The insertion system of claim 1, wherein the carrier body of the device housing comprises a plunger configured to support the piercing member, and to insert the piercing member in the skin of the user-patient upon movement of the carrier body of the device housing from the retracted position to the advanced position.

12. The insertion system of claim 1, wherein a distance traveled by the carrier body of the device housing relative to the device housing from the retracted position to the advanced position is equal to at least a distance required to insert the piercing member into the skin of the patient.

13. The insertion system of claim 1, the carrier body of the device housing comprising a plunger and a collar body operatively connected to the plunger, the piercing member supported by at least one of the plunger and the collar body in a position orientated for insertion through the skin of the patient upon movement of the carrier body of the device housing from the retracted position to the advanced position.

14. The insertion system of claim 13,

wherein the piercing member comprises a cannula supported by the collar body and a needle supported by the plunger;

the needle disposed at least partially through the cannula;

the cannula and the needle supported in a position orientated for insertion through the skin of the patient upon movement of the carrier body of the device housing from the retracted position to the advanced position.

15. The insertion system of claim 14, the plunger and the needle removable from the collar body, the cannula and the collar body adapted for reuse with another collar body and cannula.

16. The insertion system of claim 14,

the collar body having a fluid channel in fluid communication with a hollow interior of the cannula;

the fluid channel for operatively connecting to a reservoir for containing fluidic media when the carrier body of the device housing is in the advanced position to allow fluidic medic to flow from the reservoir to the hollow interior of the cannula.

17. A method of manufacturing an insertion system, the method comprising:

configuring a device housing configured to be operatively engaged with and disengaged from a base adapted to be carried by a patient, the device housing engageable with an actuation device, configuring the device housing comprising;

arranging a carrier body for movement within at least a portion of the device housing at least between a retracted position and an advanced position, the carrier body for supporting a piercing member in a position orientated for insertion through skin of the patient upon movement of the carrier body from the retracted position to the advanced position, the carrier body operatively engageable with a moveable carrier body of the actuation device so that the carrier body of the device housing moved by the carrier body of the actuation device at least between the retracted position and the advanced position; and

arranging a section of the device housing to support a portion of the carrier body of the device housing and for preventing the carrier body of the device housing from moving to the advanced position, the section moveable relative to the carrier body of the device housing to provide sufficient clearance to allow the carrier body of the device housing to move to the advanced position in a case where the carrier body of the device housing is moved by the carrier body of the actuation device.

18. An insertion system, the insertion system comprising:

a base adapted to be carried by a patient;

a device housing configured to be operatively engaged with and disengaged from the base, the device housing engageable with an actuation device, the device housing comprising;

a carrier body arranged for movement within at least a portion of the device housing at least between a retracted position and an advanced position, the carrier body for supporting a piercing member in a position orientated for insertion through skin of the patient upon movement of the carrier body from the retracted position to the advanced position, the carrier body operatively engageable with a moveable carrier body of the actuation device, the carrier body of the actuation device for moving the carrier body of the device housing at least between the refracted position and the advanced position; and

an engagement member engageable with and disengageable from the base to operatively engage and disengage the device housing and the base, the engagement member configured to engage the base in a case where a first force of at least a particular magnitude is applied to the engagement member;

wherein at least one of the base and the engagement member configured such that the engagement member is prevented from engaging the base in a case where the engagement member has been disengaged from the base unless a second force having a magnitude equal to or greater than the first force is applied to the engagement member.

19. The insertion system of claim 18, at least one of the base and the engagement member having a reengagement prevention member for preventing the engagement member from engaging the base in a case where the engagement member has been disengaged from the based unless the second force is applied to the engagement member.

20. The insertion system of claim 19,

wherein the at least one of the base and the engagement member having a reengagement prevention member comprises an abutment of the engagement member, the abutment for preventing the engagement member from engaging the base in a case where the engagement member has been disengaged from the based unless the second force is applied to the engagement member.

21. The insertion system of claim 19,

the engagement member engageable with and disengageable from an aperture of the base to operatively engage and disengage the device housing and the base;

wherein the at least one of the base and the engagement member having a reengagement prevention member comprises an abutment of the engagement member, the abutment for preventing the engagement member from engaging the base in a case where the engagement member has been disengaged from the based.

22. The insertion system of claim 18, the engagement member engageable with and disengageable from an aperture of the base to operatively engage and disengage the device housing and the base.

23. The insertion system of claim 18, wherein the engagement member is a lever.

24. The insertion system of claim 18, wherein the piercing member comprises a needle.

25. The insertion system of claim 18, wherein the carrier body of the device housing comprises a plunger configured to support the piercing member, and to insert the piercing member in the skin of the user-patient upon movement of the carrier body of the device housing from the retracted position to the advanced position.

26. The insertion system of claim 18, wherein a distance traveled by the carrier body of the device housing relative to the device housing from the retracted position to the advanced position is equal to at least a distance required to insert the piercing member into the skin of the patient.

27. The insertion system of claim 18, the carrier body of the device housing comprising a plunger and a collar body operatively connected to the plunger, the piercing member supported by at least one of the plunger and the collar body in a position orientated for insertion through the skin of the patient upon movement of the carrier body of the device housing from the retracted position to the advanced position.

28. The insertion system of claim 27,

wherein the piercing member comprises a cannula supported by the collar body and a needle supported by the plunger;

the needle disposed at least partially through the cannula;

the cannula and the needle supported in a position orientated for insertion through the skin of the patient upon movement of the carrier body of the device housing from the retracted position to the advanced position.

29. The insertion system of claim 28, the plunger and the needle removable from the collar body, the cannula and the collar body adapted for reuse with another collar body and cannula.

30. The insertion system of claim 28,

the collar body having a fluid channel in fluid communication with a hollow interior of the cannula;

the fluid channel for operatively connecting to a reservoir for containing fluidic media when the carrier body of the device housing is in the advanced position to allow fluidic medic to flow from the reservoir to the hollow interior of the cannula.

31. A method of manufacturing an insertion system, the method comprising:

adapting a base to be carried by a patient;

configuring a device housing to be operatively engaged with and disengaged from the base, the device housing engageable with an actuation device, configuring the device housing comprising;

arranging a carrier body for movement within at least a portion of the device housing at least between a retracted position and an advanced position, the carrier body for supporting a piercing member in a position orientated for insertion through skin of the patient upon movement of the carrier body from the retracted position to the advanced position, the carrier body operatively engageable with a moveable carrier body of the actuation device, the carrier body of the actuation device for moving the carrier body of the device housing at least between the refracted position and the advanced position;

providing an engagement member engageable with and disengageable from the base to operatively engage and disengage the device housing and the base, the engagement member configured to engage the base in a case where a first force of at least a particular magnitude is applied to the engagement member; and

configuring at least one of the base and the engagement member such that the engagement member is prevented from engaging the base in a case where the engagement member has been disengaged from the base unless a second force having a magnitude equal to or greater than the first force is applied to the engagement member.