Biopsy device with variable speed cutter advance

Details Biopsy device with variable speed cutter advance Biopsy device with variable speed cutter advance

2006-04-11

2006-04-11

Marmor, Charles (Department: 3736)

Surgery

Diagnostic testing

Sampling nonliquid body material

C600S568000, C606S167000

Reexamination Certificate

active

07025732

ABSTRACT:
A biopsy device having a translating and rotating cutter is disclosed. The translational speed of the cutter is varied using a variable pitch member. The variable pitch member can include a shaft having a relatively coarse threaded portion for rapid cutter advance and a relatively finer threaded portion for cutter advance during tissue severing.

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