Catheter exchange device

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

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Details

604171, 604194, 604280, 604283, 128657, 128772, A61M 500

Patent

active

056930216

ABSTRACT:
An automatic catheter exchange syringe has a biasing means which drives the syringe in a fluid expelling stroke at a single touch. The syringe includes a barrel portion with a plunger slidably disposed therein. The biasing means applies a driving force to the plunger to drive the plunger in a fluid expelling stroke at a predetermined rate. The biasing means may include compression or tension springs or a bifurcated compression spring assembly.

REFERENCES:
patent: 4846174 (1989-07-01), Willard et al.
patent: 5167641 (1992-12-01), Schmitz
patent: 5246011 (1993-09-01), Caillouette
patent: 5290247 (1994-03-01), Crittendon
patent: 5318541 (1994-06-01), Viera et al.
patent: 5478316 (1995-12-01), Bitdinger et al.
patent: 5484409 (1996-01-01), Atkinson et al.
patent: 5545144 (1996-08-01), Fryklund et al.

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