Manual syringe with flexible plunger

The manual syringe with a deformable pusher addresses discomfort and precision issues by flexing to conform to the hand shape, enhancing comfort and stability for precise viscoelastic gel injections.

FR3140550B1Active Publication Date: 2025-09-26LABORATOIRES VIVACY SAS
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Patent Information

Application Number
FR2022010240
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-10-06
Publication Date
2025-09-26
Estimated Expiration
2042-10-06
Patent Text Reader

Abstract

Manual syringe, comprising: - a syringe body (1); - gripping fins (2); - a piston rod (3), slidably mounted inside the syringe body (1); - a stopper; - a manual pusher (5), on which an injection pressure is manually exerted; remarkable in that the manual pusher (5) comprises: - a rigid part (50); - a deformable part (51), designed to flex towards the piston rod (3) with an arrow of between 5% and 20% of the length of the piston rod (3), when the injection pressure is manually exerted on the manual pusher (5). Figure (3)
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