Polypectomy device and method
First Claim
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1. A system for removing a polyp from the body of a patient, said system comprising:
- an endoscope suitable for performing an endoscopic procedure on the patient; and
a device for removing polyps, said device comprising;
a catheter having a proximal end and a distal end;
a cable trigger operatively connected to the proximal end of the catheter;
a pair of jaws extending out of the distal end of the catheter;
a heating element disposed on at least one of the jaws and located between the pair of jaws;
a snare cable without the heating element, said snare cable routed through the pair of jaws and operatively connected to the cable trigger; and
a source of power operably connected to the heating element;
wherein the device for removing polyps is sized and dimensioned for insertion into the endoscope.
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Abstract
A polypectomy device and method which includes a snare cable, a fixed jaw and a moveable jaw. The snare cable is routed through both the fixed jaw and the moveable jaw. The snare cable forms a hoop for encircling the polyp. Shortening the snare cable positions the jaws about the base of the polyp and further shortening the cable closes the jaws. The fixed jaw includes a heating element which cauterizes the base of the polyp. The closing of the jaws and the heating of the heating element cuts and seals the polyp.
77 Citations
6 Claims
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1. A system for removing a polyp from the body of a patient, said system comprising:
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an endoscope suitable for performing an endoscopic procedure on the patient; and a device for removing polyps, said device comprising; a catheter having a proximal end and a distal end; a cable trigger operatively connected to the proximal end of the catheter; a pair of jaws extending out of the distal end of the catheter;
a heating element disposed on at least one of the jaws and located between the pair of jaws;a snare cable without the heating element, said snare cable routed through the pair of jaws and operatively connected to the cable trigger; and a source of power operably connected to the heating element; wherein the device for removing polyps is sized and dimensioned for insertion into the endoscope. - View Dependent Claims (2, 3, 4)
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5. A method of removing a polyp from the body of a patient, said method comprising the steps of:
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providing a system for removing a polyp from the body of the patient, said system comprising; an endoscope suitable for performing an endoscopic procedure on the patient; and a device for removing polyps, said device comprising; a catheter having a proximal end and a distal end; a cable trigger operatively connected to the proximal end of the catheter; a pair of jaws extending out of the distal end of the catheter;
a heating element disposed on at least one of the jaws and located between the pair of jaws;a snare cable routed through the pair of jaws and operatively connected to the cable without the heating element, said snare cable trigger; and a source of power operably connected to the heating element; wherein the device for removing polyps is sized and dimensioned for insertion into the endoscope; inserting the endoscope into the body of the patient and locating the polyp with the endoscope; inserting the device for removing polyps into the endoscope such that the distal end of the device for removing polyps is located in the vicinity where the polyp is located; extending the snare cable to form a hoop sized and dimensioned to capture the polyp; manipulating the hoop to capture the polyp; activating the cable trigger to draw the snare cable proximally relative to the catheter and to close the hoop around the polyp; pulling the snare cable proximally relative to the catheter to draw the polyp into position between the pair of jaws and to close the pair of jaws upon the polyp; and supplying heating power to the heating element to sever the polyp from tissue surrounding the polyp.
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6. A method of removing a polyp from the body of a patient, said method comprising the steps of:
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providing a device for removing polyps, said device comprising; a catheter having a proximal end and a distal end; a cable trigger operatively connected to the proximal end of the catheter; a pair of jaws extending out of the distal end of the catheter;
a heating element disposed on at least one of the jaws and located between the pair of jaws;a snare cable routed through the pair of jaws and operatively connected to the cable without the heating element, said snare cable trigger; and placing the distal end of the catheter in the proximity of the polyp; pushing the snare cable distally relative to the catheter to open the pair of jaws relative to each other and form a hoop of snare cable extending from the distal end of the catheter; manipulating the hoop to engage the polyp; pulling the snare cable proximally relative to the catheter to draw the polyp into position between the pair of jaws and to close the pair of jaws upon the polyp; and supplying heating power to the heating element to sever the polyp from tissue surrounding the polyp.
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Specification