US 12,453,591 B2
Heating blade unit, treatment tool, and method of manufacturing heating blade unit
Kazuhiro Tanaka, Hachioji (JP); and Hiroki Kazuno, Koganei (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Hachioji (JP)
Filed on Jun. 24, 2022, as Appl. No. 17/849,111.
Application 17/849,111 is a continuation of application No. PCT/JP2020/017267, filed on Apr. 21, 2020.
Prior Publication US 2022/0323135 A1, Oct. 13, 2022
Int. Cl. A61B 18/08 (2006.01); A61B 18/10 (2006.01); B29C 65/00 (2006.01); B29C 65/48 (2006.01); A61B 17/00 (2006.01); A61B 18/00 (2006.01); B29K 701/10 (2006.01); B29L 31/00 (2006.01)
CPC A61B 18/085 (2013.01) [A61B 18/10 (2013.01); B29C 65/48 (2013.01); B29C 66/02 (2013.01); B29C 66/03 (2013.01); A61B 2017/00526 (2013.01); A61B 2017/00858 (2013.01); A61B 2018/00083 (2013.01); A61B 2018/0013 (2013.01); B29K 2701/10 (2013.01); B29L 2031/779 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A treatment tool comprising:
an electric heater,
a blade including:
a treatment surface configured to perform treatment on a biological tissue,
an installation surface provided on a side opposite to the treatment surface, the electric heater installed on the installation surface, and
a flange protruding outward from a lateral side of the blade in a width direction transverse to the stacking direction of the blade and the electric heater, the flange including a support surface provided at a different position from the installation surface in a stacking direction of the blade and the electric heater, the support surface being opposite to the treatment surface,
a resin cover covering the electric heater, the installation surface, and at least a part of the support surface; and
a holder holding the blade and the resin cover, the holder directly contacting both the resin cover and the blade.