Patent ID: 9386992
Filing Date: 2016-07-12
CPC Classification: A61B

Claim Text:
1. A ligation device for ligating a biological tissue, comprising: a flexible tube-shaped outer sheath member; a tube-shaped inner sheath member provided within the outer sheath member to be freely reciprocated; a manipulation wire provided within the sheath member to be freely reciprocated; and a plurality of clip units disposed in series within the distal end of the outer sheath member, wherein each of the clip units includes a clip body that ligates the biological tissue using a pair of arm parts biased to be largely opened each other and a base end section that connects the base ends of the arm parts, and a plurality of fastening rings each of which is configured to close the pair of arm parts by inserting the base end section of the clip body within a cylindrical body of each fastening ring, wherein a fastening ring of the plurality of fastening rings includes: