Title:
DRUG DELIVERY DEVICE INCLUDING RESERVOIR WITH FLEXIBLE LINING
Document Type and Number:
WIPO Patent Application WO/2022/119731
Kind Code:
A3
Abstract:
Embodiments of the present disclosure relate to techniques, processes, devices or systems for pump devices for providing a fixed volume of fluid, which is delivered and refilled within one pumping cycle. In one approach, a wearable drug delivery device may include a reservoir configured to store a liquid drug, and a drive mechanism coupled to the reservoir for receiving the liquid drug. The drive mechanism may include a housing defining a chamber, the housing including an inlet valve operable to receive the liquid drug and an outlet valve operable to expel the liquid drug from the chamber, and a resilient sealing member within the chamber. The drive mechanism may further include a shape memory wire coupled to the resilient sealing member, wherein the shape memory wire is operable to bias the resilient sealing member within the chamber.
Inventors:
MCCAFFREY MAUREEN (US)
Application Number:
PCT/US2021/060148
Publication Date:
July 14, 2022
Filing Date:
November 19, 2021
Export Citation:
Assignee:
INSULET CORP (US)
International Classes:
A61M5/148; A61M5/142; A61M5/165; A61M5/38
Foreign References:
| US20110108158A1 | 2011-05-12 | |||
| US5906592A | 1999-05-25 | |||
| US20040115068A1 | 2004-06-17 | |||
| US20070255260A1 | 2007-11-01 |
Attorney, Agent or Firm:
POGUE, Darrell L. et al. (US)
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