Cervical biopsy instrument

Details Cervical biopsy instrument Cervical biopsy instrument

1988-07-28

1990-10-09

Hindenburg, Max

Surgery

Truss

Pad

606171, A61B 1000

Patent

active

049614304

ABSTRACT:
A biopsy punch for extracting cervical tissue comprises a tubular housing having a cutting means slidable therethrough for slicing a strip of tissue from the cervix tip protruding into a tissue port. Three embodiments are presented illustrating various cutting edges for the cutting means. The first embodiment presents a bevelled cutting edge with piercing point for initially piercing the tissue. A second embodiment presents a mounting block for the cutting edge with the block key locked to the housing in slidable movement therethrough. A third embodiment presents a cylindrical cutting edge for providing a conical slice of biopsy tissue.

REFERENCES:
patent: 2708437 (1955-05-01), Hutchins
patent: 2728357 (1957-01-01), Leibinger et al.
patent: 2994321 (1961-08-01), Tischler
patent: 3327702 (1967-06-01), DeMarco
patent: 3515128 (1970-06-01), McElroy
patent: 3606878 (1968-10-01), Kellogg
patent: 4099518 (1978-07-01), Baghs et al.
patent: 4168698 (1979-09-01), Ostergard
patent: 4651753 (1987-03-01), Lifton

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