US 12,434,071 B2
Light irradiation medical device
Hironori Takata, Settsu (JP); and Toshihiko Uto, Settsu (JP)
Assigned to KANEKA CORPORATION, Osaka (JP)
Appl. No. 18/033,172
Filed by KANEKA CORPORATION, Osaka (JP)
PCT Filed Oct. 21, 2021, PCT No. PCT/JP2021/038881
§ 371(c)(1), (2) Date Apr. 21, 2023,
PCT Pub. No. WO2022/123920, PCT Pub. Date Jun. 16, 2022.
Claims priority of application No. 2020-204324 (JP), filed on Dec. 9, 2020.
Prior Publication US 2023/0390576 A1, Dec. 7, 2023
Int. Cl. A61N 5/06 (2006.01)
CPC A61N 5/062 (2013.01) [A61N 5/0603 (2013.01); A61N 2005/0602 (2013.01); A61N 2005/063 (2013.01); A61N 2005/0665 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A light irradiation medical device comprising:
a shaft having a first end and a second end in a longitudinal direction, the shaft having a lumen extending in the longitudinal direction; and
a light guiding device disposed in the lumen of the shaft so that the light guiding device is movable in the lumen of the shaft in the longitudinal direction, wherein
the light guiding device extends in the longitudinal direction and has a light diffusion part at a distal part of the light guiding device,
the shaft has a first window provided in a peripheral wall of a distal part of the shaft and a second window provided at a distal end face of the shaft, and
the shaft has a reflection surface that reflects light emitted from the light guiding device, the reflection surface being disposed distal to the first window and on an inner side of the shaft.