CLIPPING INSTRUMENT FOR AN ENDOSCOPIC SURGICAL DEVICE
First Claim
1. A clipping instrument for an endoscope, comprising:
- a flexible sheath to be inserted into an instrument channel of the endoscope;
an operation wire, which is configured to be forwarded and retracted in an axial direction of the flexible sheath;
at least one detachable clip assembly, including a pair of openable and closable clipping arms, the at least one detachable clip assembly arranged in vicinity of a distal end portion of the flexible sheath with the clipping arms closed, the clipping arms being configured to be projected forward to open outside the flexible sheath and to be closed to clip onto a treatment object outside the flexible sheath according to forwarding and retracting movements of the operation wire; and
frictional members, which are configured to generate frictional resistance between each other inside the flexible sheath,wherein the frictional resistance is generated while the clipping arms of the clip assembly in the vicinity of the distal end portion of the flexible sheath are forwarded by the forwarding movement of the operation wire to project out of the flexible sheath to be fully opened.
1 Assignment
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Accused Products
Abstract
A clipping instrument for an endoscope is provided. The clipping instrument includes a flexible sheath, an operation wire, which can be forwarded and retracted in an axial direction of the flexible sheath, at least one detachable clip assembly, including a pair of openable and closable clipping arms which can be projected forward to open outside the flexible sheath and to be closed to clip onto a treatment object outside the flexible sheath according to forwarding and retracting movements of the operation wire, and frictional members, which can generate frictional resistance between each other inside the flexible sheath. The frictional resistance is generated while the clipping arms of the clip assembly are forwarded by the forwarding movement of the operation wire to project out of the flexible sheath to be fully opened.
167 Citations
10 Claims
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1. A clipping instrument for an endoscope, comprising:
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a flexible sheath to be inserted into an instrument channel of the endoscope; an operation wire, which is configured to be forwarded and retracted in an axial direction of the flexible sheath; at least one detachable clip assembly, including a pair of openable and closable clipping arms, the at least one detachable clip assembly arranged in vicinity of a distal end portion of the flexible sheath with the clipping arms closed, the clipping arms being configured to be projected forward to open outside the flexible sheath and to be closed to clip onto a treatment object outside the flexible sheath according to forwarding and retracting movements of the operation wire; and frictional members, which are configured to generate frictional resistance between each other inside the flexible sheath, wherein the frictional resistance is generated while the clipping arms of the clip assembly in the vicinity of the distal end portion of the flexible sheath are forwarded by the forwarding movement of the operation wire to project out of the flexible sheath to be fully opened. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification