US 12,263,317 B2
Guide wire shaping mold and method for shaping guide wire
Yuki Ishibashi, Kawasaki (JP); Yoshihiro Akashi, Kawasaki (JP); Haruhiko Yamasaki, Yao (JP); Katsunori Mitsuhashi, Yao (JP); and Yoshiro Morishita, Higashiosaka (JP)
Assigned to ST. MARIANNA UNIVERSITY SCHOOL OF MEDICINE, Kawasaki (JP); OZK CO., LTD., Yao (JP); and SHINWA SYOJI CO., LTD., Higashosaka (JP)
Appl. No. 17/621,666
Filed by ST. MARIANNA UNIVERSITY SCHOOL OF MEDICINE, Kawasaki (JP); OZK CO., LTD., Yao (JP); and SHINWA SYOJI CO., LTD., Higashiosaka (JP)
PCT Filed Jul. 17, 2020, PCT No. PCT/JP2020/027748
§ 371(c)(1), (2) Date Dec. 21, 2021,
PCT Pub. No. WO2021/015103, PCT Pub. Date Jan. 28, 2021.
Claims priority of application No. 2019-136519 (JP), filed on Jul. 25, 2019.
Prior Publication US 2022/0347438 A1, Nov. 3, 2022
Int. Cl. B21C 3/02 (2006.01); A61M 25/00 (2006.01); A61M 25/09 (2006.01); B21C 3/04 (2006.01); B21F 1/06 (2006.01); B21F 45/00 (2006.01); B29C 33/38 (2006.01); B29C 53/02 (2006.01); B29C 53/80 (2006.01); B29C 53/82 (2006.01)
CPC A61M 25/09 (2013.01) [A61M 25/0043 (2013.01); A61M 25/0068 (2013.01); A61M 25/008 (2013.01); B21F 45/008 (2013.01); B29C 33/3842 (2013.01); A61M 2025/09108 (2013.01)] 12 Claims
OG exemplary drawing
 
11. A guide wire shaping method comprising:
a mold preparation process of preparing a guide wire shaping mold including a wire drawing path formed in a passage shape and a wire shaping portion including a shaping space that communicates with the wire drawing path;
a wire arrangement process of inserting a guide wire from an outlet hole of the wire drawing path and annularly arranging a tip end of the guide wire in the wire shaping portion; and
an annular diameter reduction process of drawing out a base end side of the guide wire from the outlet hole and shortening an entire circumference of an annular portion on the tip end side to reduce an annular diameter of the annular portion.