Monopolar polypectomy snare with coagulation electrode

Details Monopolar polypectomy snare with coagulation electrode Monopolar polypectomy snare with coagulation electrode

1992-03-23

1992-10-27

Pellegrino, Stephen C.

Surgery

Instruments

Means for removing tonsils, adenoids or polyps

128642, 606 29, 606 37, 606 39, 606 40, 606 47, 606 49, 606110, A61B 1700

Patent

active

051585618

ABSTRACT:
A monopolar electrosurgical instrument for excising polyps from the gastrointestinal tract comprises an elongated flexible plastic tube having a first monopolar electrode mounted a small predetermined distance from the distal end of the tubular member and a conductive wire loop affixed to a pull-wire, the pull-wire extending through the lumen of the tubular member and being connected at its proximal end to a plunger-type handle whereby the loop can be opened and closed by extending and retracting the loop relative to the distal end of the tubulr member. By incorporating both the surface electrode and the loop on the same instrument, polyps may be severed electrosurgically using the snare and the wound then immediately cauterized using the surface electrode, thus obviating the need to do an instrument exchange in the endoscope to accomplish both functions.

REFERENCES:
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patent: 5078716 (1992-01-01), Doll
patent: 5080660 (1992-01-01), Buelna
patent: 5084054 (1992-01-01), Bencini et al.
patent: 5085659 (1992-02-01), Rydell

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