Device for puncturing

Details Device for puncturing Device for puncturing

1993-07-26

1994-10-18

Lewis, Ralph

Surgery

Instruments

Cutting, puncturing or piercing

606181, A61B 1734

Patent

active

053564200

ABSTRACT:
A puncturing device which includes a sleeve (1), a push-button (2) mounted on one end of the sleeve (10), a piston (5) which has a puncturing tip (7) and is mounted in the sleeve (1), and a power spring (9) placed inside the sleeve (1) between the face (8) of the push-button (2) and the piston (5). The piston (5) has on its outside perimeter wings (11) which rest against the internal projection (12) of the sleeve (1). A return spring (10) is located inside the sleeve (1) between its bottom (3) with the hole (4) for the puncturing tip (7) and the piston (5).

REFERENCES:
patent: 4139011 (1979-02-01), Benoit et al.
patent: 4203466 (1980-05-01), Hofert et al.
patent: 4388925 (1983-06-01), Burns
patent: 4527561 (1985-07-01), Burns
patent: 4624253 (1986-11-01), Burns
patent: 4653513 (1987-03-01), Dombrowski
patent: 4817603 (1989-04-01), Turner et al.
patent: 4889117 (1989-12-01), Stevens
patent: 4976724 (1990-12-01), Nieto et al.
patent: 5026388 (1991-06-01), Ingalz
patent: 5147375 (1992-09-01), Sullivan

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