A surgical instrument for performing controlled myotomies
A technique for surgical instruments and myotomy, which is applied in the direction of heating surgical instruments, endoscopic cutting instruments, parts of surgical instruments, etc., and can solve the problems of complex control of myotomy
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[0024] Referring to the drawings, Figures 1 and 2 depict a surgical instrument according to a first embodiment of the present invention. The surgical instrument 1 can be used to perform a controlled myotomy, for example for performing an internal anal sphincterotomy for the treatment of chronic anal fissures.
[0025] In the following description, the terms "distal" and "proximal" refer to the physician's point of view, if not stated otherwise.
[0026] The instrument 1 comprises a generally elongated body having a proximal handle portion 2 and an elongated insertion shaft 3 extending distally from the handle portion 2 . The distal cutting tip 4 is provided on the distal end of the insertion shaft 3 and is capable of cutting tissue near the distal side of the insertion shaft 3 . In addition, the transverse cutting member 5 is disposed near the distal end 28 of the insertion shaft 3 and is capable of cutting tissue near the transverse direction of the insertion shaft 3 . The ...
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