Patent ID: 8287556
Filing Date: 2012-10-16
Classification: A61B

Abstract:
1. A treatment device for use with an endoscope or guide member and a needle which is used to perform treatment in a body by being operated outside the body, comprising: a cap assembly which is arranged at the distal end portion of the endoscope or guide member, said cap assembly comprising an end effector comprising a single needle holder arm capable of alone holding the needle and a link mechanism comprising a gear assembly coupled to said end effector, said gear assembly having a first gear element and a second gear element meshing with said first gear element; and a flexible transmission member having a distal end portion which is capable of being inserted into the body through or adjacent to the endoscope or guide member, said distal end portion of said flexible transmission member coupled to said gear assembly, said flexible transmission member being actuated by an operation outside the body, wherein said gear assembly causes rotation of said needle holder arm upon actuation of said flexible transmission member.