Title:
OPENING/CLOSING MECHANISM OF SCISSORS
Document Type and Number:
Japanese Patent JP2021049066
Kind Code:
A
Abstract:
To provide an opening/closing mechanism of scissors with which a scissor member is easily processed and an opening degree of the scissor member can be regulated.SOLUTION: Scissors for endoscope comprise: a scissor mechanism part 20 in which a pair of scissor members 21, 22 is connected by a first support shaft S1; links 31, 32 whose one ends are connected to respective base ends of the pair of scissor members 21, 22 by a second support shaft; an advancing/retracting part 40 which connects the other ends of the links 31, 32 by a third support shaft S3, moves the other ends of the links 31, 32 in advancing and retracting direction and opens/closes the one ends of the links 31, 32; and a housing 50 which fixes the first support shaft S1 and has a guide part 52 which guides the advancing/retracting part 40 in the advancing and retracting direction. A groove 51d which guides the third support shaft S3 in the advancing and retracting direction is formed on an inner peripheral surface of the housing 50. An end wall in the advancing direction of the groove 51d is formed at a position where the opening degree of the pair of scissor members 21, 22 becomes maximum.SELECTED DRAWING: Figure 11
Inventors:
MOTOKI HIROSHI
KIHARA YOSHIMITSU
KIHARA YOSHIMITSU
Application Number:
JP2019173309A
Publication Date:
April 01, 2021
Filing Date:
September 24, 2019
Export Citation:
Assignee:
FINETEC CO LTD
ROBO FUTURE CO LTD
ROBO FUTURE CO LTD
International Classes:
A61B17/3201; B26B13/26
Attorney, Agent or Firm:
Hisashi Kato
Keita Tohsaka
Toru Minase
Keita Tohsaka
Toru Minase