Patent ID: 9516998
Filing Date: 2016-12-13
CPC Classification: A61B

Claim Text:
1. An endoscope comprising: an insertion portion including a distal end portion, a bending portion and a flexible tube portion continuously provided in this order from a distal end side; and an image pickup apparatus including an image pickup optical portion and a moving mechanism portion arranged in the distal end portion, wherein the image pickup optical portion includes: wherein the moving mechanism portion is an actuator apparatus and includes, wherein the second moving mechanism portion further includes a driving force transmitting wire having a distal end portion fixed to a contact member arranged in a recess portion provided to the moving frame projection portion of the moving lens frame, and a proximal end portion that is fixed to a distal end portion of the shape memory alloy wire in the flexible tube portion of the insertion portion; and wherein the driving force transmitting wire is pulled with contraction of the shape memory alloy wire to cause the contact member fixed to the distal end portion of the driving force transmitting wire to move against the urging force of the second elastic member and cancel the urging force from the second elastic member to the moving frame projection portion.