Multiple needle biopsy instrument

Details Multiple needle biopsy instrument Multiple needle biopsy instrument

1993-10-15

1995-05-16

Aschenbrenner, Peter A.

Surgery

Truss

Pad

128749, 128751, 606167, 606170, A61B 1000

Patent

active

054151821

ABSTRACT:
A biopsy needle instrument for capturing a plurality of discrete specimens. The instrument includes a housing, for supporting a plurality of axially elongated stylets and cannulas disposed about each stylet to form a plurality of biopsy needles. The cannula and stylet associated with each needle can be controlled independently or in conjunction with some other needles or all the needles. An elongated sheath supports the needles, can reposition the needles and control the specimen depth.

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patent: 3086530 (1963-04-01), Groom
patent: 3512518 (1970-05-01), Mishkin
patent: 4476864 (1984-10-01), Tezel
patent: 4620547 (1986-11-01), Boebel
patent: 4907599 (1990-03-01), Taylor
patent: 4958625 (1990-09-01), Bates et al.
patent: 4976269 (1990-12-01), Mehl
patent: 5012818 (1991-05-01), Joishy
patent: 5195533 (1993-03-01), Chin et al.

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