Surgical treatment device

Details Surgical treatment device Surgical treatment device

2006-09-05

2006-09-05

Ho, (Jackie) Tan-Uyen T. (Department: 3731)

Surgery

Instruments

Means for removing tonsils, adenoids or polyps

C600S564000

Reexamination Certificate

active

07101378

ABSTRACT:
A biotissue excising instrument includes a tubular sheath inserted into a body, manipulator inserted into the sheath through leading end of the manipulator and having a loop portion that can be unfolded and contracted to accommodate biotissue to be excised. A slit is formed leading end the sheath to project and sink loop portion of the treatment portion so that manipulator is advanced or retreated to laterally project or sink the loop portion out of or into the or contract the loop portion, the sheath, and a treatment portion provided at thus excising the biotissue loop portion.

REFERENCES:
patent: 5224488 (1993-07-01), Neuffer
patent: 5554163 (1996-09-01), Shturman
patent: 6287304 (2001-09-01), Eggers et al.
patent: 6331166 (2001-12-01), Burbank et al.
patent: 6440147 (2002-08-01), Lee et al.
patent: 55-116345 (1980-09-01), None

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