Biopsy ejecting forceps

Details Biopsy ejecting forceps Biopsy ejecting forceps

1995-03-07

1996-11-12

Buiz, Michael Powell

Surgery

Instruments

Forceps

606207, 606208, 606170, 128751, A61B 1728

Patent

active

055735460

ABSTRACT:
An improved biopsy forceps for retrieving a tissue sample from an internal organ includes device for ejecting a tissue sample from the cups after the sample is retrieved from the internal organ. The improved biopsy forceps has scissor links for operating the cups, and plungers rigidly attached to the scissor links. The plungers protrude through apertures in the cups when the cups are fully opened, ejecting the tissue sample. Alternatively, the forceps have pushing members positioned inside of the cups and attached to the distal end of an actuating wire. The ejection device is actuated from the proximal end of the forceps by sliding the wire. A latch mechanism can be provided on the proximal end to selectively prevent actuation.

REFERENCES:
patent: 4721116 (1988-01-01), Schintgen et al.
patent: 4763668 (1988-08-01), Macek et al.
patent: 4785825 (1988-11-01), Romaniuk et al.
patent: 5082000 (1992-01-01), Picha et al.
patent: 5172700 (1992-12-01), Bencini et al.
patent: 5373854 (1994-12-01), Kolozsi

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