Medical needle for endoscopic surgery

Details Medical needle for endoscopic surgery Medical needle for endoscopic surgery

1996-12-16

1999-12-14

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604264, 128 4, A61M 532

Patent

active

060010843

ABSTRACT:
A medical needle for endoscopic surgery has an external cannula tube in which a protective element is mounted so that it can be shifted axially against a spring. The distal, front protective surface of the protective element in a forward position projects beyond the sharp tip of the cannula tube and in a rear position is behind this tip. The protective surface of the protective element is transparent and can be observed through an optical system installed in the protective element.

REFERENCES:
patent: 4354762 (1982-10-01), Yoon
patent: 5385572 (1995-01-01), Nobles et al.

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