Needle device

Details Needle device Needle device

1993-05-03

1994-12-27

Hirsch, Paul J.

Surgery

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

Treating material introduced into or removed from body...

604158, A61M 500

Patent

active

053760824

ABSTRACT:
A needle device for the delivery of medicaments, insuflation or other medical devices, having a reciprocable needle sensitive to lack of resistance, whereupon such needle retracts, permitting a cannula therewith to provide access to the penetrated body.

REFERENCES:
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patent: 4689047 (1987-08-01), Bauer
patent: 4886507 (1989-12-01), Patton et al.
patent: 5024655 (1991-06-01), Freeman et al.
patent: 5098405 (1992-03-01), Peterson et al.
patent: 5141498 (1992-08-01), Christian
patent: 5158553 (1992-10-01), Berry et al.
patent: 5167637 (1992-12-01), Okada et al.
patent: 5203769 (1993-04-01), Clement et al.
patent: 5207647 (1993-05-01), Phelps
patent: 5269768 (1993-12-01), Cheung

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