Surgery – Diagnostic testing – Sampling nonliquid body material
Reexamination Certificate
2003-08-27
2009-12-01
Hindenburg, Max (Department: 3736)
Surgery
Diagnostic testing
Sampling nonliquid body material
Reexamination Certificate
active
07625347
ABSTRACT:
An electrosurgical biopsy device includes a stylet and a cannula movably mounted on a base. The stylet has a shaft with a head at its distal end and a stylet ablation element extending distally from the head. The stylet shaft is disposed through the cannula for axial translation therein between withdrawn and extended positions. In use, the stylet and the cannula are pushed through the skin and the underlying tissue until the stylet head is adjacent a targeted tissue mass. Next, the stylet is extended distally from the distal end of the cannula so that its head penetrates the tissue mass. The cannula ablation element is then activated, and the cannula is pushed through the tissue mass toward the stylet head, thereby cutting a “core” through the tissue mass that is captured as a tissue specimen within the distal end of the cannula.
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Burbank Fred
Jones Michael L.
Lubock Paul
Quick Richard L.
Hindenburg Max
Lynch Edward J.
SenoRx, Inc.
Szmal Brian
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