Pump Device and Associated Method for Medication Delivery
Summary
The USPTO published patent application US20260091169A1 for a pump device with chamber, plunger, retainer, rods, and button mechanism designed for controlled medication delivery through an outlet. Assignee is Evanesce Medical, Inc. with four inventors. The application was filed on September 30, 2025.
What changed
USPTO published patent application US20260091169A1 for a pump device comprising a chamber in a body portion, a plunger with a receiving portion, a retainer with multiple rod openings, a plurality of removable rods, and a button mechanism. The button's protrusion contacts and moves rods from openings into the plunger's receiving portion to control medication delivery through the outlet. CPC classifications are A61M 5/1452 and A61M 5/16804.
Medical device manufacturers and pharmaceutical companies involved in drug delivery systems should monitor this patent filing for potential competitive implications in the pump device technology space. No compliance actions are required; this is an informational publication of a patent application still under examination.
Archived snapshot
Apr 2, 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.
PUMP DEVICE AND ASSOCIATED METHOD
Application US20260091169A1 Kind: A1 Apr 02, 2026
Assignee
Evanesce Medical, Inc.
Inventors
Ishmael BENTLEY, Jeffrey PETERS, Patrick Jan BOLDENOW, Lawrence WALES
Abstract
A pump device including: a chamber disposed in a body portion; a plunger disposed in the chamber and configured to move within the interior of the chamber to deliver medication in an interior of the body portion through an outlet of the body portion, the plunger including a receiving portion; a retainer disposed within the body portion, which includes a plurality of rod openings; a plurality of rods removably retained within the rod openings; and a button disposed in the body portion, which includes a pushing surface and a protrusion, the button configured, when the pushing surface is pushed, to move within the body portion such that the protrusion of the button contacts a first rod of the plurality of rods in the plurality of rod openings and moves the first rod out of the first rod opening and into the receiving portion of the plunger.
CPC Classifications
A61M 5/1452 A61M 5/16804
Filing Date
2025-09-30
Application No.
19346169
Named provisions
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