US 12,257,447 B2
Light irradiation device and light irradiation system
Yuko Katsurada, Seto (JP); and Toshihiko Tsukamoto, Seto (JP)
Assigned to ASAHI INTECC CO., LTD., Seto (JP)
Filed by ASAHI INTECC CO., LTD., Seto (JP)
Filed on Oct. 29, 2021, as Appl. No. 17/514,961.
Application 17/514,961 is a continuation of application No. PCT/JP2020/016881, filed on Apr. 17, 2020.
Claims priority of application No. 2019-092695 (JP), filed on May 16, 2019.
Prior Publication US 2022/0047884 A1, Feb. 17, 2022
Int. Cl. A61N 5/06 (2006.01); A61B 18/24 (2006.01); A61B 18/20 (2006.01); A61B 18/22 (2006.01)
CPC A61N 5/0601 (2013.01) [A61B 18/24 (2013.01); A61B 2018/208 (2013.01); A61B 2018/2272 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A medical light irradiation device comprising:
an elongated main body portion;
a light irradiation portion which is provided on one portion of a side surface on a distal end side of the main body portion, and which is configured to irradiate light towards outside of the light irradiation device; and
a marker portion which is provided on the distal end side of the main body portion, wherein the marker portion is radiopaque and has a shape for identifying a location of the light irradiation portion in a circumferential direction of the light irradiation device when viewed from the outside, wherein
the shape of the marker portion is spiral and extends in an axial direction of the light irradiation device.