Patent ID: 11944321
Assignee: OLYMPUS MEDICAL SYSTEMS CORP.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. The endoscopic treatment device according to claim 10,
wherein the distal end of the connection member includes an arrowhead portion,
the pair of arms are fixed to an arm fixation portion and form arm extension portions extending from the arm fixation portion toward the proximal end side respectively,
the snap-fit holes are formed in the arm extension portions respectively,
the arrowhead portion and the snap-fit holes are detachably engaged with each other,
an elastic protrusion portion is formed in the arm fixation portion and configured to protrude in a direction orthogonal to a longitudinal direction of the pressing tube, and
a step portion is provided in the inner wall of the pressing tube biasing to the proximal end of the pressing tube and configured to engage with the elastic protrusion portion to lock the pair of arms.