Patent ID: 8591525
Filing Date: 2013-11-26
Classification: A61B,Y10T

Abstract:
1. A hemorrhoid ligation apparatus, comprising: a main cylinder to which an O-ring for ligating a hemorrhoid is to be attached, on an outer circumferential surface of a front end portion; a sub cylinder air-tightly and slidably provided inside said main cylinder, so as to suck said hemorrhoid into said front end portion of said main cylinder upon being drawn toward a rear end portion of said main cylinder; an operating fluid loaded inside said sub cylinder; and a plunger air-tightly and slidably provided inside said sub cylinder, so as to pressurize said operating fluid upon being squeezed toward a front end portion of said sub cylinder, to thereby squeeze said O-ring toward said front end portion of said main cylinder with said operating fluid being pressurized, thus detaching said O-ring from said main cylinder.