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US 2024/0181152 A1Published application
Lead screw within reservoir
AssigneeInsulet Corporation
InventorJames BROWN
Life of this patent
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Abstract
Disclosed are techniques, devices and systems that provide a compact reservoir and plunger arrangement. In the disclosed examples, a reservoir may include a housing, a plunger, a lead screw and an elastic sleeve. The housing may have a first end and a second end. The plunger may be configured to fit within the housing. The leadscrew may be coupled to the plunger. The elastic sleeve may surround the leadscrew and be coupled to a surface of the plunger and to a surface of the second end of the housing. The elastic sleeve is leakproof.
Claims20
A drug delivery system comprising:
- a reservoir having a housing;
- a plunger configured to fit within the housing;
- an elastic sleeve within the housing and coupled to a surface of the plunger, wherein the elastic sleeve is leakproof;
- a lead screw passing through a center of the elastic sleeve and a center of the plunger;
- and
- a reservoir cap coupled to the housing.
3 more elements
A drug delivery system, comprising:
- a reservoir having a rigid housing wherein the rigid housing has a first end and a second end;
- a plunger configured to fit within the rigid housing;
- a leadscrew coupled to the plunger;
- and
- an elastic sleeve surrounding the leadscrew and coupled to a surface of the plunger and to a surface of the second end of the rigid housing, wherein the elastic sleeve is leakproof.
2 more elements
Dependencies are inferred from the claim text.