JP2005502423A5

JP2005502423A5 -

Info

Publication number: JP2005502423A5
Application number: JP2003528248A
Authority: JP
Filing date: 2002-07-26
Publication date: 2005-12-22

Claims

A catheter having a proximal end and a distal end;
A cable trigger operably connected to the proximal end of the catheter;
A pair of jaws extending from the distal end of the catheter;
A Schlenge cable passing through the pair of jaws and connected to the cable trigger;
A heating member disposed between at least one jaw portion between the pair of jaw portions;
A device for removing polyps equipped with.

A catheter having a proximal end and a distal end;
A cable trigger operably connected to the proximal end of the catheter;
A first jaw extending from the distal end of the catheter;
A second jaw extending from the distal end of the catheter and rotatable relative to the first jaw;
A Schlenge cable connected to the second jaw part and extending from the second jaw part through the first jaw part to the cable trigger;
A heating member disposed between at least one jaw portion between the first jaw portion and the second jaw portion;
A polypectomy device comprising:

A catheter having a proximal end and a distal end;
A handle having a cable trigger operably connected to the proximal end of the catheter;
An electrical connector connected to the proximal end of the catheter;
A first jaw extending from the distal end of the catheter;
A second jaw that extends from the distal end of the catheter and is rotatable relative to the first jaw;
A Schlenge cable connected to the cable trigger from the first jaw part through the second jaw part;
A heating member connected to the electrical connector and disposed on the first jaw portion, and disposed between the first jaw portion and the second jaw portion;
A device for removing polyps equipped with.

A catheter having a proximal end and a distal end;
A handle having a cable trigger operably connected to the proximal end of the catheter;
An electrical connector connected to the proximal end of the catheter;
A first jaw extending from the distal end of the catheter;
A second jaw that extends from the distal end of the catheter and is rotatable relative to the first jaw;
A Schlinge cable connected to the cable trigger from the first jaw part through the second jaw part;
A heating member connected to the electrical connector and disposed on the first jaw, and disposed between the first jaw and the second jaw;
A device for removing polyps equipped with.

A lumen, a catheter having a proximal end and a distal end;
A handle having a cable trigger operably connected to the proximal end of the catheter;
An electrical connector connected to the proximal end of the catheter;
A first jaw extending from the distal end of the catheter, attached to the catheter, and wherein the lumen of the catheter extends through a central portion;
A second jaw extending from the distal end of the catheter, rotatable relative to the first jaw, and having a hole in the distal end;
The first jaw portion extends from the lumen and passes through the hole of the second jaw portion, has a distal end portion and a proximal end portion, the distal end portion is fixed to the catheter, and the proximal end portion is A Schlinge cable connected to a cable trigger;
A heating member connected to the electrical connector and disposed on the first jaw, and disposed between the first jaw and the second jaw;
A polypectomy device comprising:

A catheter having a proximal end and a distal end;
A first jaw having a first gripping surface, extending from the distal end of the catheter toward the distal end and having a hole therethrough;
A second gripping surface extending from the distal end of the catheter toward the distal end and opened to the first jaw to bring the first gripping surface and the second gripping surface in close proximity to each other; A second jaw portion rotatable relative to the first jaw portion between a position and a closed position;
A shinge cable having a proximal end and a distal end and extending from the proximal end of the catheter to the distal end of the catheter, wherein the jaw is pulled by pulling the proximal end of the shringe cable toward the proximal end. A Schlenge cable in which the end portion of the Shringe cable is engaged with the first jaw part and the second jaw part so that the part moves toward a closed position;
A heating member positioned between the first gripping surface and the second gripping surface;
A power source for selectively supplying heating power to the heating member;
A polypectomy device comprising:

A method of removing a polyp from a patient's body,
A catheter having a proximal end and a distal end, a first gripping surface, extending from the distal end of the catheter to the distal side, having a first jaw portion having a through-hole, and a second gripping surface, Extending from the distal end of the catheter to the distal side, between the open and closed positions relative to the first jaw to bring the first gripping surface and the second gripping surface in close proximity to each other A Shringe cable having a second jaw portion rotatable with respect to the first jaw portion, a proximal end portion and a distal end portion, and extending from the proximal end portion of the catheter to the distal end portion of the catheter, By pulling the base end portion of the Shringe cable toward the base end side, the distal end portion of the Shringe cable is engaged with the first jaw portion and the second jaw portion so that the jaw portion moves toward the closed position. The Shringe cable A heating member positioned between the first gripping surface and said second gripping surface, a polypectomy device having a selectively supplying power to the heating power to the heating element is prepared,
Placing the distal end of the catheter close to the polyp,
To open the jaw and form a ring of the Shringe cable that extends from the distal end of the catheter, push the Schering cable toward the distal end of the catheter;
Manipulate the ring to surround the polyp,
In order to draw a polyp in place between the gripping surfaces of the first jaw and the second jaw and to close the first jaw and the second jaw on the polyp, the Schlinge cable is connected to the catheter. Pull to the proximal side,
Supplying heating power to the heating member to cut a polyp from surrounding tissue;
A method characterized by that.

The pair of jaw portions is characterized by a gripping surface, and the heating member is disposed on at least one gripping surface of the jaw portion, and is disposed in parallel with a longitudinal axis of the device. The apparatus according to claim 1.

A system for removing polyps from a patient's body,
The system
An endoscope suitable for performing endoscopic procedures on a patient;
A catheter having a proximal end and a distal end; a cable trigger operably connected to the proximal end of the catheter; a pair of jaws extending from the distal end of the catheter; and the cable trigger through the pair of jaws A sleeving cable operably connected to and a polyp removing device including a heating member positioned between at least one of the jaws and located between the pair of jaws;
A power source connected to the heating member,
The polyp removal device is sized and dimensionable to be inserted into the endoscope.

The system according to claim 9, wherein the heating member is selected from the group consisting of a nichrome wire heating member, a ceramic heating member, an RF heating member, a monopolar electrode heating member, and a bipolar electrode heating member. .

The pair of jaw portions includes a first jaw portion and a second jaw portion, the second jaw portion is rotatable with respect to the first jaw portion, and the Shringe cable is operable on the second jaw portion. The system of claim 9, wherein the system is connected to the cable trigger and extends from the second jaw portion through the first jaw portion to the cable trigger.

The system according to claim 9, further comprising a silicone pad disposed on the gripping surface of the second jaw.