Plunger for syringe

Details Plunger for syringe Plunger for syringe

1999-06-10

2000-10-10

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604228, A61M 500

Patent

active

061297127

ABSTRACT:
In a plunger for a syringe including a laminated piston which is provided with a shaft with a female thread and which is slidably inserted into a barrel and a rod having a male thread which can be screw-engaged in the threaded hole of the laminated piston, the axial length T of the crest of the female thread and the root of the male thread which engages with the female thread is greater than the axial length t of the root of the female thread and the crest of the male thread.

REFERENCES:
patent: 5032114 (1991-07-01), Olovson
patent: 5094148 (1992-03-01), Haber et al.
patent: 5460617 (1995-10-01), Minkus et al.
patent: 5688252 (1997-11-01), Matsuda et al.

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