Insertion device systems and methods

• US 9,943,332 B2
• Filed: 01/09/2015
• Issued: 04/17/2018
• 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., Lorenzen, Eric M., Bikovsky, Rafael, Ibranyan, Arsen
• Primary Examiner(s): Bouchelle, Laura
• Application Number:
  US14/594,014
• Publication Number:
  US 20150126934A1
• Time in Patent Office: 1,194 Days
• 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 base having a device housing, the base adapted to be carried by a patient, the device housing being configured to engage with an actuation device;

a carrier body supported by the device housing for movement 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 being configured to operatively engage with a moveable carrier body of the actuation device so that the carrier body of the device housing is moved by the carrier body of the actuation device at least between the retracted position and the advanced position; and

a magnet or a magnetically attractive element attached to the carrier body of the device housing, for magnetic interaction with another magnet or magnetically attractive element on the carrier body of the actuation device, to magnetically connect the carrier body of the device housing with the carrier body of the actuation device, and to apply an attractive force between the carrier body of the device housing and the carrier body of the actuation device so that the carrier body of the device housing is moved from the advanced position to the retracted position as the carrier body of the actuation device is moved from the advanced position to the retracted position.

2. The insertion system of claim 1, wherein the magnetic interaction comprises a magnetic connection of the magnet or magnetically attractive element attached to the carrier body of the device housing with the magnet or magnetically attractive element on the carrier body of the actuation device, to magnetically connect the carrier body of the device housing with the carrier body of the actuation device.

3. The insertion system of claim 2, wherein the device housing is configured to selectively engage with the actuation device when the magnet or a magnetically attractive element attached to the carrier body of the device housing magnetically connects with a magnet or magnetically attractive element on the carrier body of the actuation device, and to selectively disengage with the actuation device when the magnet or magnetically attractive element attached to the carrier body of the device housing magnetically disconnects with the magnet or magnetically attractive element on the carrier body of the actuation device.

4. The insertion system of claim 1, further comprising the actuation device, the actuation device configured to be selectively engaged with and disengaged from the device housing.

5. The insertion system of claim 3, wherein the actuation device has a drive mechanism arranged to move the carrier body of the actuation device from a retracted position toward an advanced position, to move the carrier body of the device housing from its retracted position to its advanced position when the carrier body of the device housing is magnetically connected with the carrier body of the actuation device.

6. The insertion system of claim 5, wherein the drive mechanism is configured to provide a rotational force to cause the carrier body of the device housing to move from the retracted position toward the advanced position.

7. The insertion system of claim 1, wherein the magnetically attractive element comprises one of a ferrous material and a magnet.

8. The insertion system of claim 2, wherein:

the carrier body of the device housing comprises a plunger and a collar body,

the piercing member comprises a cannula supported by the collar body and a needle supported by the plunger, with the needle disposed at least partially through the cannula;

the magnet or magnetically attractive element on the carrier body of the device housing is attached to the plunger to magnetically connect the plunger with the carrier body of the actuation device;

the needle supported by the plunger is arranged to be withdrawn from the cannula by movement of the actuation device away from the base while the plunger is magnetically connected with the carrier body of the actuation device.

9. An insertion system, the insertion system comprising:

a base having a device housing, the base adapted to be carried by a patient, the device housing supporting a carrier body for movement 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,

an actuation device configured to be selectively engaged with and disengaged from the device housing, the actuation device configured to be selectively operated to move the carrier body of the device housing at least between the retracted position and the advanced position, upon the actuation device being engaged with the device housing;

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 a magnetically attractive element for magnetic interaction with the magnet,

wherein the magnet is configured to form an attractive force with the magnetically attractive element so that the carrier body of the device housing is moved from the advanced position to the retracted position as the actuation device is operated to move from the advanced position to the retracted position.

10. The insertion system of claim 9, wherein the magnetic interaction comprises a magnetic connection of the magnet or magnetically attractive element of the device housing with the magnet or magnetically attractive element of the actuation device, to magnetically connect the carrier body of the device housing with a carrier body of the actuation device.

11. The insertion system of claim 10, wherein the device housing is configured to selectively engage with the actuation device when the magnet or a magnetically attractive element of the device housing magnetically connects with a magnet or magnetically attractive element of the actuation device, and to selectively disengage with the actuation device when the magnet or magnetically attractive element of the device housing magnetically disconnects with the magnet or magnetically attractive element of the actuation device.

12. The insertion system of claim 10, wherein the actuation device has a carrier body and a drive mechanism arranged to move the carrier body of the actuation device from a retracted position toward an advanced position, to move the carrier body of the device housing from its retracted position to its advanced position when the carrier body of the device housing is magnetically connected with the carrier body of the actuation device.

13. The insertion system of claim 12, wherein the drive mechanism is configured to provide a rotational force to cause the carrier body of the device housing to move from the retracted position toward the advanced position.

14. The insertion system of claim 12, wherein:

the carrier body of the device housing comprises a plunger and a collar body,

the piercing member comprises a cannula supported by the collar body and a needle supported by the plunger, with the needle disposed at least partially through the cannula;

the magnet or magnetically attractive element on the carrier body of the device housing is attached to the plunger to magnetically connect the plunger with the carrier body of the actuation device;

the needle supported by the plunger is arranged to be withdrawn from the cannula by movement of the actuation device away from the base while the plunger is magnetically connected with the carrier body of the actuation device.

15. The insertion system of claim 9, wherein the magnetically attractive element comprises one of a ferrous material and a magnet.

16. A method of making an insertion system, the method comprising:

providing a base having a device housing, the base adapted to be carried by a patient;

supporting a carrier body on the device housing, for movement at least between a retracted position and an advanced position;

supporting a piercing member on the carrier body, in a position orientated to be inserted through skin of the patient when the base is carried by the patient and the carrier body is moved from the retracted position to the advanced position,

configuring an actuation device to be selectively engaged with and disengaged from the device housing;

configuring the actuation device to be selectively operated to move the carrier body of the device housing at least between the retracted position and the advanced position, upon the actuation device being engaged with the device housing; and

providing at least one of the device housing and the actuation device with a magnet, and the other of the at least one of the device housing and the actuation device with a magnetically attractive element for magnetic interaction with the magnet,

wherein the magnet is configured to form an attractive force with the magnetically attractive element so that the carrier body of the device housing is moved from the advanced position to the retracted position as the actuation device is operated to move from the advanced position to the retracted position.

17. The method of claim 16, wherein the magnetic interaction comprises a magnetic connection of the magnet or magnetically attractive element of the device housing with the magnet or magnetically attractive element of the actuation device, to magnetically connect the carrier body of the device housing with a carrier body of the actuation device.

18. The method of claim 17, further comprising providing the actuation device with a carrier body and a drive mechanism, supporting the drive mechanism to move the carrier body of the actuation device from a retracted position toward an advanced position, to move the carrier body of the device housing from its retracted position to its advanced position when the carrier body of the device housing is magnetically connected with the carrier body of the actuation device.

19. The method of claim 17, wherein:

the carrier body of the device housing comprises a plunger and a collar body,

the piercing member comprises a cannula supported by the collar body and a needle supported by the plunger, with the needle disposed at least partially through the cannula;

the magnet or magnetically attractive element on the device housing is attached to the plunger to magnetically connect the plunger with a carrier body of the actuation device;

the needle supported by the plunger is arranged to be withdrawn from the cannula by movement of the actuation device away from the base while the plunger is magnetically connected with the carrier body of the actuation device.

20. The method of claim 16, wherein the magnetically attractive element comprises one of a ferrous material and a magnet.