Compact positive displacement pump for wearable drug delivery device
Summary
USPTO granted Patent US12594376B2 to Insulet Corporation for a compact positive displacement pump designed for wearable drug delivery devices. The patent covers a reservoir with housing, sealing member, and slit mechanism, combined with a delivery pump featuring a drive mechanism including a piston head and lead screw with blade design. This grant provides intellectual property protection for the company's drug delivery technology through 15 claims.
What changed
The USPTO granted Patent US12594376B2 to Insulet Corporation covering a compact positive displacement pump for wearable drug delivery devices. The patent discloses a reservoir with a housing defining an interior chamber, a sealing member, and a slit, along with a delivery pump device including a drive mechanism with a piston head and a lead screw coupled to a drive nut with a blade positionable through the slit. The 15 granted claims protect the specific mechanical configuration of the pumping system.
Medical device manufacturers developing wearable drug delivery systems should assess freedom-to-operate implications given this newly issued patent to Insulet Corporation. Competitors in the insulin pump or drug infusion device market may need to evaluate licensing opportunities or design-around options to avoid potential infringement on the granted claims.
What to do next
- Monitor for patent landscape implications
- Review freedom-to-operate considerations for competing wearable drug delivery devices
Archived snapshot
Apr 7, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Compact positive displacement pump for wearable drug delivery device
Grant US12594376B2 Kind: B2 Apr 07, 2026
Assignee
INSULET CORPORATION
Inventors
Steven Cardinali
Abstract
Embodiments of the present disclosure relate to techniques, processes, devices or systems for pump devices. In one approach, a wearable drug delivery device may include a reservoir configured to store a liquid drug, the reservoir including a housing including an outer wall defining an interior chamber, a sealing member, and a slit through the housing, wherein the sealing member is configured to seal the slit. The wearable drug delivery device may further include a delivery pump device including a drive mechanism coupled to the reservoir for driving the liquid drug out of the reservoir, the drive mechanism including a piston head disposed within the interior chamber of the housing, and a lead screw coupled to a drive nut, wherein the drive nut comprises a blade adjacent the piston head, and wherein the blade is positionable through the slit of the housing.
CPC Classifications
A61M 5/14248 A61M 5/14216 A61M 2005/14252 A61M 2005/31518 A61M 2205/50 A61M 2230/005 A61M 2230/201 A61M 5/3272 A61M 5/31528 A61M 5/14236
Filing Date
2022-05-20
Application No.
17749463
Claims
15
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Source
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