JPWO2021100378A5 - - Google Patents

Claims (11)

a medical clip for gripping an object;
a linear object having a distal end and a proximal end, extending along a longitudinal axis, and moving the medical clip along the longitudinal axis;
The linear object includes a clip connecting part that connects the medical clip on the distal side,
The medical clip has a longitudinal direction, an opening/closing direction of the medical clip, and a width direction of the medical clip,
The medical clip has a first arm and a second arm that are arranged to face each other and grip the object, and the medical clip is arranged to face each other and has a first arm and a second arm that grip the object. and a first base and a second base on the proximal side;
The medical clip is configured to connect with the clip connecting portion at the first base and the second base,
The medical clip has a connection part connecting the first base part and the second base part on the first end side in the width direction,
A protrusion is provided on the second end side of the medical clip in the width direction and on the inner surface of the medical clip,
By fitting the clip connecting part between the first base part and the second base part of the medical clip from the second end side in the width direction of the medical clip, the medical clip and the clip connecting part can be connected to each other. An endoscope clip system that connects the The medical clip has an arithmetic mean roughness Ra based on JIS B0601 of the inner surface of the medical clip at a proximal end portion of the medical clip, and an arithmetic mean roughness Ra based on JIS B0601 of the outer surface of the medical clip. The endoscope clip system according to claim 1, wherein the endoscope clip system has a roughness greater than Ra. The endoscope according to claim 1 or 2, wherein at least one of the first base portion and the second base portion and the clip connecting portion include an engaging portion that engages the clip connecting portion and the medical clip. clip system. The endoscope clip system according to any one of claims 1 to 3 , wherein the connecting portion is disposed proximal to the midpoint of the longitudinal length of the medical clip. The endoscope clip system according to any one of claims 1 to 4 , wherein the distal end of the clip connecting portion is disposed further distally than the proximal end of the connecting portion. The medical clip further includes a cylindrical fastening ring disposed outside the first base and the second base,
the fastening ring is longitudinally movable on the medical clip;
When the medical clip is not gripping an object, the fastening ring is disposed at the distal end of the movable range of the fastening ring, and when the clip connecting portion is moved proximally, the clip connecting portion The endoscope clip system according to any one of claims 1 to 5 , wherein the force required for the part to detach from the medical clip is 20N or more. The linear object further includes a pusher that is movable in the longitudinal direction,
The endoscope clip system according to claim 6 , wherein the distal end of the pusher is configured to contact the proximal end of the fastening ring and move the fastening ring distally. The endoscopic clip system according to any one of claims 1 to 7 , wherein the clip connecting portion has a contact portion that contacts the proximal end of the medical clip. The medical clip further includes a first claw portion at a proximal end of the first base portion that extends toward the second base portion,
a second claw portion extending toward the first base portion at a proximal end of the second base portion;
The endoscope clip system according to any one of claims 1 to 8 , wherein the first claw part and the second claw part have a notch along the outer periphery of the linear object. The clip connecting portion has a groove portion that is concave in the circumferential direction of the clip connecting portion,
The distal side wall surface of the groove portion is in contact with the distal side surface of the proximal end of the medical clip,
The endoscopic clip system according to any one of claims 1 to 9 , wherein a proximal side wall surface of the groove is in contact with a proximal side surface of the proximal end of the medical clip. a medical clip for gripping an object;
a linear object having a distal end and a proximal end, extending along a longitudinal axis, and moving the medical clip along the longitudinal axis;
The linear object includes a clip connecting part that connects the medical clip on the distal side,
The medical clip has a longitudinal direction, an opening/closing direction of the medical clip, and a width direction of the medical clip,
The medical clip has a first arm and a second arm that are arranged to face each other and grip the object, and a first arm and a second arm that are arranged to face each other and that grip the object. a first base and a second base located more proximally than the
The medical clip is configured to connect with the clip connecting portion at the first base and the second base,
The medical clip has a connecting portion connecting the first base portion and the second base portion on the first end side in the width direction,
A protrusion is provided on the second end side of the medical clip in the width direction and on the inner surface of the medical clip,
An endoscopic clip system comprising the step of fitting the clip connecting portion between the first base portion and the second base portion of the medical clip from a second end side in the width direction of the medical clip. manufacturing method.