Device for minimally invasive internal tissue removal

Details Device for minimally invasive internal tissue removal Device for minimally invasive internal tissue removal

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.

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