Title:
ENDOSCOPIC ELECTROCAUTERY INCISION SCISSORS
Document Type and Number:
Japanese Patent JP2020185035
Kind Code:
A
Abstract:
To provide endoscopic electrocautery incision scissors that can realize a hemostasis incision for achieving antinomy between the sufficient provision of heat transfer quantity of the Joule heat from a cutting part to a boundary part between a lesion region and a normal tissue and the suppression of the heat transfer quantity to the normal tissue side, even if an incision time is taken for a long time in comparison with before.SOLUTION: Endoscopic electrocautery incision scissors include: a sheath 11, an operation wire 12, an operation part 13, treatment part support means 14 having a cylindrical part 14a and a pair of arm parts 14b; and a scissors part 16 where tip side portions 17c, 18c of respective scissor pieces 17, 18 are opened and closed, only the cutting part of the tip side portions 17c, 18c is not provided with an insulated film and is provided to become non-contact with each other, and a required voltage is applied to make an incision in the affected area of the living tissue. The respective scissor pieces 17, 18 have thread parts 25, 26 provided as the cutting part; and arch-shaped support frames 27, 28 for supporting a proximal end (a) and a tip end b of the thread parts 25, 26, and being separated from the thread parts 25, 26 in the place between the proximal end (a) and the tip end b.SELECTED DRAWING: Figure 3
Inventors:
KOBAYASHI MAKOTO
Application Number:
JP2019089560A
Publication Date:
November 19, 2020
Filing Date:
May 10, 2019
Export Citation:
Assignee:
KOBAYASHI MAKOTO
International Classes:
A61B18/14
Domestic Patent References:
| JP2004350938A | 2004-12-16 |
Foreign References:
| US20190099215A1 | 2019-04-04 |
Attorney, Agent or Firm:
Sasaki bell