Medical cauterization snare assembly and associated methodology

Details Medical cauterization snare assembly and associated methodology Medical cauterization snare assembly and associated methodology

2006-10-03

2006-10-03

Gibson, Roy D. (Department: 3739)

Surgery

Instruments

Electrical application

C606S113000

Reexamination Certificate

active

07115125

ABSTRACT:
A medical cauterization snare assembly with a tubular member, an electrically conductive cauterization loop ejectable from a distal end of the tubular member, and a capture pouch also ejectable from the distal end of the tubular member. The pouch is attached to an auxiliary loop which has a size larger than that of the cauterization loop. Alternatively, the tubular member is formed at its distal end with a first port or opening and in a distal end portion with a second port or opening spaced from the first port or opening. The two ports or openings both face in a distal direction (i.e., away from the user). The cauterization loop is alternately ejectable from and retractable into the first port or opening, while the capture pouch is separately ejectable from the second port or opening. Alternatively, the capture pouch is attached to the cauterization loop, to only a proximal portion of the loop to divide the loop's area into a proximal section covered by the pouch and an open or uncovered distal section.

REFERENCES:
patent: 5201740 (1993-04-01), Nakao et al.
patent: 5486182 (1996-01-01), Nakao et al.
patent: 5759187 (1998-06-01), Nakao et al.
patent: 6007546 (1999-12-01), Snow et al.
patent: 6071233 (2000-06-01), Ishikawa et al.

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