US 12,274,504 B2
Non-contact ultrasonic ophthalmotonometer
Tetsuyuki Miwa, Aichi (JP); Kazunari Shimizu, Aichi (JP); Shirohisa Kobayashi, Aichi (JP); Tsutomu Uemura, Aichi (JP); and Kenji Nakamura, Aichi (JP)
Assigned to NIDEK CO., LTD., Aichi (JP)
Appl. No. 17/043,317
Filed by NIDEK CO., LTD., Aichi (JP)
PCT Filed Mar. 26, 2019, PCT No. PCT/JP2019/013032
§ 371(c)(1), (2) Date Nov. 13, 2020,
PCT Pub. No. WO2019/189272, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2018-068717 (JP), filed on Mar. 30, 2018; and application No. 2018-068718 (JP), filed on Mar. 30, 2018.
Prior Publication US 2021/0068656 A1, Mar. 11, 2021
Int. Cl. A61B 3/16 (2006.01); A61B 5/00 (2006.01)
CPC A61B 3/165 (2013.01) [A61B 2560/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A non-contact ultrasonic tonometer for measuring the eye pressure of an examinee's eye by use of ultrasound, comprising:
a Langevin transducer including a flange;
a support base supporting the Langevin transducer; and
attaching means for attaching the Langevin transducer to the support base,
wherein the Langevin transducer applies ultrasound to the examinee's eye to measure the eye pressure of the examinee's eye,
the attaching means comprises a first flange, a second flange, a first vibration-isolating member and a second vibration-isolating member, and
the attaching means holds the flange of the Langevin transducer by sandwiching the flange of the Langevin transducer with the first flange and the second flange via the first vibration-isolating member and the second vibration-isolating member.