Vacuum syringe assisted biopsy device

Details Vacuum syringe assisted biopsy device Vacuum syringe assisted biopsy device

2006-08-17

2010-11-09

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Sampling nonliquid body material

Reexamination Certificate

active

07828748

ABSTRACT:
A biopsy device and method are provided for obtaining a tissue sample, such as a breast tissue biopsy sample. The biopsy device includes a disposable probe assembly with an outer cannula having a distal piercing tip, a cutter lumen, and a cutter tube that rotates and translates past a side aperture in the outer cannula to sever a tissue sample. The biopsy device also includes a reusable handpiece with an integral motor and power source to make a convenient, untethered control for use with ultrasonic imaging. The reusable handpiece incorporates a probe oscillation mode to assist when inserting the distal piercing tip into tissue. The motor also actuates a vacuum syringe in coordination with movement of the cutter tube to provide vacuum assistance in prolapsing tissue and retracting tissue samples.

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