Surgery – Diagnostic testing – Sampling nonliquid body material
Reexamination Certificate
2006-03-07
2010-10-05
Hindenburg, Max (Department: 3736)
Surgery
Diagnostic testing
Sampling nonliquid body material
C600S565000, C600S564000
Reexamination Certificate
active
07806834
ABSTRACT:
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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Beckman Andrew T.
Payne Gwendolyn Perez
Reichel Lee
Devicor Medical Products, Inc.
Frost Brown Todd LLC
Hindenburg Max
Stout Michael C
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