US 12,357,771 B2
Blood vessel specifying device and blood vessel specifying method
Yuki Saito, Saitama (JP); Yoshiyuki Fukami, Ibaraki (JP); Hiroshi Kamiya, Kanagawa (JP); Osamu Arai, Tochigi (JP); Kazuhiko Sasagawa, Aomori (JP); Koichi Sagawa, Aomori (JP); Yasutaka Hanada, Aomori (JP); and Toshiro Ono, Kanagawa (JP)
Assigned to Kabushiki Kaisha Nihon Micronics, Musashino (JP)
Appl. No. 17/611,078
Filed by Kabushiki Kaisha Nihon Micronics, Tokyo (JP); and Hirosaki University, Aomori (JP)
PCT Filed Feb. 28, 2020, PCT No. PCT/JP2020/008320
§ 371(c)(1), (2) Date Nov. 12, 2021,
PCT Pub. No. WO2020/230408, PCT Pub. Date Nov. 19, 2020.
Claims priority of application No. 2019-091843 (JP), filed on May 15, 2019.
Prior Publication US 2022/0257874 A1, Aug. 18, 2022
Int. Cl. A61M 5/42 (2006.01); G06T 7/00 (2017.01)
CPC A61M 5/427 (2013.01) [G06T 7/0012 (2013.01); A61M 2205/3313 (2013.01); A61M 2205/502 (2013.01); G06T 2207/30101 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A blood vessel specifying method comprising:
subjecting an image for analysis of a target part to image processing to acquire blood vessel information including positions and shapes of blood vessels included in the target part;
using the blood vessel information to assign a point rating regarding a parameter that indicates a conformity to a particular purpose with respect to the blood vessels included in the image for analysis depending on a degree of the conformity, wherein the point rating is assigned regarding the parameter with respect to each of the blood vessels included in the target part, and the blood vessels are ranked in order of the conformity to the purpose;
specifying conforming blood vessels conforming to the purpose from the blood vessels included in the target part in accordance with rating points of the parameter; and
conforming sites of the conforming blood vessels conforming to the purpose are displayed together with at least either a ranking of the respective conforming blood vessels or total points of the parameter.