Patent ID: 9681795
Date: 2017-06-20
CPC Classifications: A61B,G02B

Claim:
1. An endoscope holding apparatus comprising: a base section; a support column connected to the base section; a first link including a short arm portion, a long arm portion, and a first protruding portion that are extended from a base portion, the base portion being rotatably linked to the support column at a first linking portion; a second link rotatably linked to the support column and the first link at the first linking portion; a third link rotatably linked to the second link at a second linking portion provided at the second link; a fourth link rotatably linked to the first link and the third link, and configured to maintain the first link and the third link in parallel with each other, the fourth link being maintained in parallel with the second link and configured to be capable holding an endoscope at an end portion of the fourth link; a fifth link including a first end and a second end, the first end being rotatably linked to an end portion of the short arm portion of the first link, the fifth link including a first counterweight which is hanged in a vertical direction at a middle portion between the first end and the second end; a second counterweight rotatably linked to the second linking portion and hanged in the vertical direction; a sixth link including one arm portion and a second protruding portion that are extended from a base portion, the base portion being rotatably linked to the support column at a third linking portion, the one arm portion being rotatably linked to the second end of the fifth link at a fourth linking portion, the one arm portion being maintained in parallel with the first link; and a seventh link including a first end and a second end; the first end being rotatably linked at a fifth linking portion of the first protruding portion, the second end being rotatably linked at a sixth linking portion of the second protruding portion, wherein the first linking portion, the fifth linking portion, the sixth linking portion, and the third linking portion are disposed at positions that form a parallelogram.