Title:
Operation apparatus
Document Type and Number:
Japanese Patent JP6252238
Kind Code:
B2
Abstract:
An operation instrument (10) includes an electric surgical knife, a fluid ejection surgical knife, and a gripper mechanism (52). The gripper mechanism including a pair of gripper strips (53, 54) configured to be openable and closable so as to grip a living tissue and at least one of which is a movable portion. The gripper strips (53, 54) each are provided with an electrode (110) for the electric surgical knife. An ejection opening (212) for the fluid ejection surgical knife is formed in a first gripper strip (53), and the ejection opening is formed at a position (53b) retracted from an end portion on a distal end side of the electrode.
Inventors:
Kazumi Uchida
Hideki Kojima
Hirokazu Sekino
Hideki Kojima
Hirokazu Sekino
Application Number:
JP2014035310A
Publication Date:
December 27, 2017
Filing Date:
February 26, 2014
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
A61B17/3203; A61B18/14
Domestic Patent References:
| JP2009533109A |
Foreign References:
| US20130116716 | ||||
| WO2012121213A1 | ||||
| WO2014004100A1 |
Attorney, Agent or Firm:
Meisei International Patent Office
Shigeki Kakimi
Shigeki Kakimi