Patent ID: 9289112
Filing Date: 2016-03-22
CPC Classification: A61B

Claim Text:
1. A medical treatment endoscope system comprising: a medical treatment endoscope including a flexible first sheath capable of a bending operation and an arm section capable of protruding from a tip of the first sheath and capable of a bending operation, an instrument channel being provided inside the first sheath and the arm section and being configured to insert a procedure instrument thereinto; a connection sheath which is elongated and flexible for connecting with the instrument channel, and which is provided at an end portion of the medical treatment endoscope; an operation unit being detachably attached to the connection sheath at a proximal end of the connection sheath, the operation unit rotatably supporting an operation stick along two axes such that rotation of the operation stick along the two axes causes corresponding bending of the arm section which is protruded from the tip of the first sheath; and a channel unit configured to be capable of being inserted into both inside of the operation stick and the operation unit, the channel unit having a tip end and a proximal end, wherein the channel unit is configured to be detachably attached to the connection sheath, thereby the procedure instrument is configured to be capable of being inserted from a proximal end of the channel unit to the tip of the first sheath through the connection sheath.