Biopsy sampler

Details Biopsy sampler Biopsy sampler

1997-06-27

1999-07-27

O'Connor, Cary

Surgery

Diagnostic testing

Sampling nonliquid body material

606 27, A61B 1000

Patent

active

059281634

ABSTRACT:
The invention features an assembly for taking a biopsy sample from a site within the body of a patient. The assembly includes a resecting device having a cutter near its distal end for resecting and containing a tissue sample and a sheath exterior to the resecting device and sized to be present within the body with the resecting device. The sheath includes an electrode element electrically isolated from the resecting device and disposed on the sheath's outer surface for cauterizing tissue. The resecting device and the sheath cooperate to permit sequential resecting of a tissue sample from a resecting site and cauterizing of the site with the cutter sufficiently spaced from the electrode element to avoid heat damage to the tissue sample.

REFERENCES:
patent: 3892228 (1975-07-01), MitSui
patent: 4674499 (1987-06-01), Pao
patent: 4953559 (1990-09-01), Salerno
patent: 5258006 (1993-11-01), Rydell et al.
patent: 5352222 (1994-10-01), Rydell
patent: 5352234 (1994-10-01), Scott
patent: 5352235 (1994-10-01), Koros et al.
patent: 5364395 (1994-11-01), West, Jr.
patent: 5394885 (1995-03-01), Francese
patent: 5578030 (1996-11-01), Levin

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