US 12,408,940 B2
Vibration transmitter and ultrasonic treatment device
Yasuhiro Maeda, Hachioji (JP); Yukihiko Shimamura, Yoshikawa (JP); and Masashi Yamada, Sagamihara (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Jun. 2, 2023, as Appl. No. 18/328,328.
Application 18/328,328 is a continuation of application No. 16/900,269, filed on Jun. 12, 2020, granted, now 11,701,138.
Application 16/900,269 is a continuation of application No. PCT/JP2017/044940, filed on Dec. 14, 2017.
Prior Publication US 2023/0310021 A1, Oct. 5, 2023
Int. Cl. A61B 17/00 (2006.01); A61B 17/32 (2006.01)
CPC A61B 17/320068 (2013.01) [A61B 2017/320032 (2013.01); A61B 2017/320089 (2017.08); A61B 2017/320094 (2017.08)] 19 Claims
OG exemplary drawing
 
1. A probe comprising:
a first rod including crystals; and
a second rod,
wherein the first rod includes:
a first region where the first rod and the second rod overlap; and
a second region, and
wherein a crystal grain diameter of the crystals in the first region is larger than a crystal grain diameter of the crystals in the second region.