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EP0363338A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Dosing/mixing syringe

Assignee: Individual
•
Filing: 1989-10-03
•
Granted: —
•
Expires: 2009-10-03
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Abstract

Abstract Dosing/mixing syringe comprising a barrel (3) with a piston (1, 2) and a plunger (4, 8) where the piston and the plunger, respectively, both consist of two parts, the piston member being fixed to the plunger member (8) which in turn is housed in and axially and rotata­bly movable in the plunger member (4) which via a locking means (6) is fixed to the piston member (2) which in turn houses an axially and rotabably movable element (22) consisting of a plunger (10) with a piston head (a).

Inventors

  • 👤 Ken Heimreid

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 17:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/315; A61M5/31525; A61M5/31511; A61M5/31565; A61M5/31576; A61M5/31578; A61M5/3158; A61M5/31596; A61M5/20; A61M5/204; A61M5/3146; A61M5/31533; A61M5/31545; A61M5/31548; A61M5/3156; A61M5/3159; A61M5/31593; A61M5/31598

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 94 words
A dosing/mixing syringe comprising a barrel (3) with a piston (1, 2) and a plunger (8, 4), characterized in that the piston and the plunger, respectively, both consist of two parts, one piston member (1) being fixed to a plunger member (8) which in turn is housed in and axially and rotatably movable within the second plunger member (4) which via a locking means (6) is fixed to the second piston member (2) which in turn houses an axially and rotatably movable element (22) consisting of a plunger (10) with a piston head (9).
Claim 2
Dependent Claim 94 words
A dosing/mixing syringe comprising a barrel (3) with a piston (1, 2) and a plunger (8, 4), characterized in that the piston and the plunger, respectively, both consist of two parts, one piston member (1) being fixed to a plunger member (8) which in turn is housed in and axially and rotatably movable within the second plunger member (4) which via a locking means (6) is fixed to the second piston member (2) which in turn houses an axially and rotatably movable element (22) consisting of a plunger (10) with a piston head (9).
Claim 3
Dependent Claim 23 words
A syringe according to claim 1, characterized in that it has a tapered end (26) adapted for housing of a valve means (25).
Claim 4
Dependent Claim 37 words
A syringe according to claim 1, characterized in that it is equipped with a locking means with rotatable locking of the plunger member 4 with the aid of a ridge 5 in a conical tapered groove 21.
Claim 5
Dependent Claim 27 words
A syringe according to any one of the preceding claims, char­acterized by means (12, 13) for locking of the plunger member (8) to the plunger member (4).
Claim 6
Dependent Claim 33 words
A syringe according to any one of the preceding claims, char­acterized in that the floating piston (10) with head (9) is equipped with locking means (14) for attachment to the plunger member (8).

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