Surgery – Instruments – Suture – ligature – elastic band or clip applier
Patent
1994-06-14
1995-10-31
Graysay, Tamara L.
Surgery
Instruments
Suture, ligature, elastic band or clip applier
606139, A61B 1700
Patent
active
054625599
ABSTRACT:
An endoscopic instrument for ligating multiple lesions within a hollow body organ. A flexible endoscope 10 is provided with channels 16-21 for accomodating means for illumination, viewing and application of suction and is also provided with a hollow tubular member 101 affixed to the insertion end of the endoscope. A plurality of cords 103 are laid over the tube 101 to extend longitudinally thereon and be folded over the distal end of the tube. The cords 103 are connected to one another at a common point by a connector 106 inside the tube 101. A plurality of elastic rings 50 are mounted on the tube 101 in stretched condition and overlaying the cords 103. The segment of each cord 103 between each pair of adjacent rings 50 is in slack condition and of a length which equals or exceeds the distance of the tube's distal end to the furthest ring of the pair. By a trip cord 105 threaded through a working channel 19 of the endoscope and connected to the cords 103, a pull can be exerted thereon to simultaneously retract the cords 103 and dislodge each of the rings in controlled stepped sequence in a procedure wherein only one elastic ring at a time moves over the tube in the process of its dislodgement to ligate a lesion which has been suctioned part way into the tube 101.
REFERENCES:
patent: 5100419 (1992-03-01), Ehlers
patent: 5269789 (1993-12-01), Chin et al.
patent: 5398844 (1995-03-01), Zaslavsky et al.
Graysay Tamara L.
Marnock Marvin J.
Schmidt Jeffrey A.
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