INFUSION SYSTEM AND METHODS

• US 20170035962A1
• Filed: 10/17/2016
• Published: 02/09/2017
• Est. Priority Date: 03/14/2013
• Status: Active Application

• Current Assignee: Tandem Diabetes Care Incorporated
• Original Assignee: Tandem Diabetes Care Incorporated
• Inventors: Lecanu-Fayet, Aymeric A., Swanson, Vance, Saint, Sean
• Application Number:
  US15/294,845
• Publication Number:
  US 20170035962A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61M 2005/14268 with a reusable and a disposable component
• CPC Class Codes: A61M 2005/1587 suitable for being connected to an infusion line after insertion into a patient
• CPC Class Codes: A61M 5/003 Kits for diabetics
• CPC Class Codes: A61M 5/1408 in parallel, e.g. manifolds, sequencing valves access sites A61M39/02; tube connectors A61M39/10
• CPC Class Codes: A61M 5/1413 Modular systems comprising interconnecting elements
• CPC Class Codes: A61M 5/14216 Reciprocating piston type
• CPC Class Codes: A61M 5/14244 adapted to be carried by the patient, e.g. portable on the body
• CPC Class Codes: A61M 5/162 Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube in jet-action syringes A61M5/30; connectors for tubes having sealed ends and a needle for piercing them A61M39/14
• CPC Class Codes: A61M 5/3297 Needles arranged coaxially
• CPC Class Codes: A61M 5/3298 Needles arranged in parallel

Abstract

An infusion cartridge for use with an ambulatory infusion system can be provided with a preattached infusion set to eliminate potential leakage, potential snagging and other inconveniences from tubing connectors. The infusion cartridge can include a rigid housing, a collapsible fluid reservoir within the housing and a dispense mechanism for drawing fluid from the reservoir and sending it out an outlet port. A length of tubing can be fixedly attached to the outlet port in fluid communication with the outlet port. The length of tubing can extend as a unitary construct from the outlet port to a connector that connects to a cannula for delivering fluid from the reservoir to a user.

Claims

1. An ambulatory infusion system comprising:

an infusion cartridge including a rigid housing, a collapsible fluid reservoir formed from flexible material and disposed within the rigid housing, a dispense mechanism fluidly connected to the fluid reservoir and an outlet port fluidly connected to the dispense mechanism;

a length of tubing fixedly connected to the outlet port of the infusion cartridge, the length of tubing in fluid communication with the outlet port of the infusion cartridge; and

a connector operably connected to the length of tubing at a terminus of the tubing, the tubing extending as a unitary construct from the outlet port of the infusion cartridge to the connector, the connector adapted to connect to a cannula and/or needle to permit a fluid drug to flow from the infusion cartridge, through the length of tubing, and into the cannula and/or needle.

2. The ambulatory infusion system of claim 1, wherein the length of tubing has a constant, uninterrupted outer diameter between the infusion cartridge and the connector.

3. The ambulatory infusion system of claim 1, wherein the length of tubing includes no connectors between the infusion cartridge and the connector.

4. The ambulatory infusion system of claim 1, wherein the length of tubing cannot be detached from the cartridge without damaging the length of tubing.

5. The ambulatory infusion system of claim 1, wherein the length of tubing is fixedly attached to the cartridge with an adhesive.

6. The ambulatory infusion system of claim 1, further comprising a needle and/or cannula adapted to be attached to the connector.

7. The apparatus of claim 1, wherein the length of tubing comprises more than one lumen.

8. The apparatus of claim 7, wherein the length of tubing comprises coaxial lumens.

9. An infusion kit comprising:

a cannula comprising a first end configured to pierce a patient'"'"'s skin and a second end;

an infusion cartridge comprising—

a rigid housing;

a collapsible fluid reservoir formed from a flexible material and disposed within the rigid housing;

a dispense mechanism fluidly connected to the fluid reservoir;

an outlet port fluidly connected to the dispense mechanism; and

an infusion set comprising—

a length of tubing fixedly connected to the outlet port of the infusion cartridge, the length of tubing in fluid communication with the outlet port of the infusion cartridge; and

a connector operably connected to the length of tubing at a terminus of the tubing, the tubing extending as a unitary construct from the outlet port of the infusion cartridge to the connector, the connector adapted to connect to the cannula to permit a fluid drug to flow from the infusion cartridge, through the length of tubing, and into the cannula via the second end of the cannula.

10. The kit of claim 9, further comprising an insertion mechanism configured to insert the cannula under the skin of a patient.

11. The kit of claim 9, further comprising a pump.

12. The kit of claim 11, wherein the pump comprises a drive mechanism that functionally and operably interfaces with the dispense mechanism.

13. The kit of claim 12, wherein the drive mechanism regulates flow of medicament from the collapsible fluid reservoir outwards through the outlet port.

14. The kit of claim 9, wherein the length of tubing has a constant, uninterrupted outer diameter between the infusion cartridge and the connector.

15. The kit of claim 9, wherein the length of tubing includes no connectors between the infusion cartridge and the connector.

16. The kit of claim 9, wherein the length of tubing cannot be detached from the cartridge without damaging the length of tubing.

17. The kit of claim 9, wherein the length of tubing is fixedly attached to the cartridge with an adhesive.

18. The kit of claim 9, wherein the length of tubing comprises more than one lumen.

19. The kit of claim 18, wherein the length of tubing comprises coaxial lumens.