A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 10/00 (2006.01)
Patent
CA 2254203
A surgical instrument for excising, a targeted tissue mass to be biopsied from adjacent bodily tissue of a surgical patient is disclosed. The instrument has an elongated shaft to which is attached a penetrating member having a penetrating tip to facilitate the insertion of the shaft adjacent the targeted tissue mass. The instrument also includes a tissue receiving chamber to receive the targeted tissue mass to be biopsied, and a tissue cutter movable from first to second positions to excise the targeted tissue received in the tissue receiving chamber. The penetrating tip includes a blade having first and second planar surfaces generally parallel to each other. The blade reduces the forces necessary to penetrate during insertion of the instrument through the tissue layers for positioning adjacent the biopsy site. It also serves to facilitate the dilation of the tissue during insertion. The reduced force to penetrate coupled with tissue dilation reduce patient trauma and hasten recovery time for the patient.
Erickson Paul L.
Houser Kevin L.
Ethicon Endo-Surgery Inc.
Swabey Ogilvy Renault
LandOfFree
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