Biopsy device with variable speed cutter advance

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

2011-01-18

2011-01-18

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Sampling nonliquid body material

Reexamination Certificate

active

07871384

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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