Treatment device and treatment system
AssigneeOlympus Corporation
InventorNorimasa ARAI
Life of this patent
Estimating the term…
Abstract
A treatment device used together with an endoscope, has a guide pipe and a movement mechanism. The guide pipe has a first pipe having a curving portion and a second pipe continuous with a proximal side of the curving portion. The curving portion has, in its inner circumferential surface, a bent surface bent to the second pipe, and bending the flow direction of the fluid discharged from the distal end of the sheath in a state where the distal end of the sheath is located near the distal end of the second pipe. The movement mechanism protrudes a distal surface of the insertion portion from the distal end of the sheath and brings the distal surface closer to or into abutment with the bent surface in a state where the distal end of the sheath is disposed near the distal end of the second pipe.
Claims13
A treatment device which is used together with an endoscope, the treatment device comprising:
- a sheath through which an insertion portion of the endoscope is inserted and which forms a passage of a fluid between the sheath and the outer circumferential surface of the insertion portion of the endoscope;
- a guide pipe provided outside the sheath, the guide pipe including a first pipe which has a curving portion and an opening formed at a distal side of the curving portion and allowing a distal surface of the insertion portion of the endoscope and the distal end of the sheath to protrude from the opening of the guide pipe, and a second pipe which is continuous with a proximal side of the curving portion of the first pipe, the curving portion having, in its inner circumferential surface, a bent surface which is bent relative to the second pipe and which bends the flow direction of the fluid to be discharged from the distal end of the sheath in a state where the distal end of the sheath is located in the vicinity of the distal end of the second pipe;
- a grip disposed on a proximal side of the second pipe;
- and
- a movement mechanism which is provided in the grip and which protrudes the distal surface of the insertion portion of the endoscope from the distal end of the sheath and then brings the distal surface of the insertion portion of the endoscope closer to or into abutment with the bent surface in a state where the distal end of the sheath is disposed in the vicinity of the distal end of the second pipe.
Dependencies are inferred from the claim text.