Patch pump cartridge attachment

Inventors: Michael Michaud (San Diego, CA); Philip Lamb (San Diego, CA); Michael Fitzgibbons (San Diego, CA)

Assignee: Tandem Diabetes Care, Inc.

A61M5/14244 A61M5/14566 A61M5/14248 A61M2005/14252 A61M2005/14268 A61M2005/14573 A61M2005/1585 A61M2205/12

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Quick Facts

Patent No.: US 12661446
App. No.: 17/120,726
Granted: Jun 23, 2026
Kind: B2

External Links

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Abstract

A user-wearable patch pump system for delivery of insulin or other medicament can include a patch pump having a reusable drive unit and a replaceable and refillable cartridge. The cartridge can selectively attach to and be detached from the drive unit. The cartridge can initially be inserted onto the drive unit in a first orientation at an angle to the drive unit and then be rotated to align the cartridge with the drive unit and lock the cartridge in place on the drive unit to form the patch pump.

Claims (34)

1 . A user-wearable infusion pump system, comprising:

a user-wearable infusion pump including a bolus input and no display;

a retention frame having a perimeter shape generally matching a perimeter shape of the user-wearable infusion pump configured to releasably lock the user-wearable infusion pump thereon;

an adhesive patch attached to the retention frame to adhere the retention frame to a body of a user;

a remote control device configured to establish a connection with the user-wearable infusion pump; and

infusion tubing extending from the user-wearable infusion pump with a connector at a distal end of the infusion tubing, wherein the connector is configured to attach to an end connector of an infusion set having tubing extending from the end connector to an infusion site connector configured to facilitate delivery of medicament from the user-wearable infusion pump to an infusion site remote from the user-wearable infusion pump, wherein the connector is in fluid communication with a medicament reservoir of the user-wearable infusion pump to facilitate refilling the reservoir with medicament,

wherein the user-wearable infusion pump comprises a drive unit and a medicament cartridge including the reservoir selectively attachable to the drive unit, and

wherein the medicament cartridge is configured to be inserted onto the drive unit in a first orientation with a front surface and a rear surface of the medicament cartridge in a non-parallel orientation with a front surface and a rear surface of the drive unit and to be rotated less than 360 degrees to selectively lock the medicament cartridge onto the drive unit with the front surface and the rear surface of the medicament cartridge being in a generally parallel orientation with the front surface and the rear surface of the drive unit.

2 . The system of claim 1 , wherein the connection between the user-wearable infusion pump and the remote control device is established over one of Bluetooth, Bluetooth low energy, mobile, or Wi-Fi communication.

3 . The system of claim 1 , wherein the remote control device is a smartphone.

4 . The system of claim 1 , wherein the remote control device is a wearable electronic watch.

5 . The system of claim 1 , wherein the remote control device is one of an electronic health and fitness monitor, a personal digital assistant, a tablet, a laptop, or a personal computer.

6 . The system of claim 1 , wherein the remote control device is a dedicated remote controller designed for use with the user-wearable infusion pump.

7 . The system of claim 6 , wherein the dedicated remote controller further comprises one or more of a speaker, a microphone, a vibrator, or a light for providing alerts, alarms, and notifications.

8 . The system of claim 1 , wherein the user-wearable infusion pump is configured to be interchangeably used with the retention frame and adhesive patch to deliver medicament to an infusion site beneath the retention frame and the infusion set to deliver medicament to the infusion site remote from the user-wearable infusion pump.

9 . The system of claim 1 , wherein the user-wearable infusion pump includes a processor configured to:

receive input to initiate delivery of medicament via the bolus input;

initiate dosing of medicament in response to the input received via the bolus input; and

in response to initiating dosing of medicament in response to the input received via the bolus input, transfer feedback regarding the dosing of medicament initiated in response to the input received via the bolus input from the user-wearable infusion pump to the remote control device for presentation on a display screen of the remote control device.

10 . The system of claim 9 , wherein the feedback further comprises information from a glucose meter interfacing with the user-wearable infusion pump.

11 . The system of claim 9 , wherein the feedback further comprises information regarding the status of the user-wearable infusion pump.

12 . The system of claim 1 , wherein the reservoir is configured to be refilled via the connector when the medicament cartridge is detached from the drive unit.

13 . The system of claim 12 , further comprising a vial adapter configured to connect the medicament cartridge to a medicament vial to facilitate refilling of the reservoir with medicament from the medicament vial.

14 . A user-wearable infusion pump system, comprising:

a user-wearable infusion pump including a bolus input and no display, the user-wearable infusion pump having a length of tubing with a connector extending therefrom, wherein the connector is in fluid communication with a medicament reservoir of the user-wearable infusion pump to facilitate refilling the reservoir with medicament;

a retention frame having a perimeter shape generally matching a perimeter shape of the user-wearable infusion pump configured to releasably lock the user-wearable infusion pump thereon;

an adhesive patch attached to the retention frame to adhere the retention frame to a body of a user; and

a remote control device configured to establish a connection with the user-wearable infusion pump; and

an infusion set including an end connector configured to attach to the connector of the user-wearable infusion pump and infusion tubing extending from the end connector to an infusion site connector, wherein the infusion set is configured to facilitate delivery of medicament from the user-wearable infusion pump to an infusion site coupled with the infusion site connector remote from the user-wearable infusion pump,

wherein the user-wearable infusion pump comprises a drive unit and a medicament cartridge including the reservoir selectively attachable to the drive unit, and

15 . The system of claim 14 , wherein the user-wearable infusion pump is configured to be interchangeably used with the retention frame and adhesive patch to deliver medicament to an infusion site beneath the retention frame and the infusion set to deliver medicament to the infusion site remote from the user-wearable infusion pump.

16 . The system of claim 14 , wherein the reservoir is configured to be refilled via the connector when the medicament cartridge is detached from the drive unit.

17 . The system of claim 16 , further comprising a vial adapter configured to connect the medicament cartridge to a medicament vial to facilitate refilling of the reservoir with medicament from the medicament vial.