A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/32 (2006.01) A61B 17/3205 (2006.01) A61B 17/3209 (2006.01) A61B 17/3211 (2006.01)
Patent
CA 2581264
A medical device for severing and removing small amounts of internal tissue for biopsy sampling or other purposes is disclosed. Versions of the device may include a hollow probe having a piecing tip, a tissue receiving aperture and a vacuum lumen; a cutter within the probe having a cutting edge that moves past the tissue receiving aperture, and a cutter driver mechanism. A cutter for use with versions disclosed herein may include an angled cutting tip and a cutting edge having a concave grind. Versions of the device also may include an aspirator fluidly connected to the vacuum lumen, coordinated operation of the aspirator and the cutter driver mechanism, and a fluid management system. Versions described may be used for removing multiple samples of tissue during a single insertion of the probe proximate to a target tissue mass.
Beckman Andrew T.
Payne Gwendolyn Perez
Reichel Lee
Devicor Medical Products Inc.
Ethicon Endo-Surgery Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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