US 11,872,145 B2
Linear force-measuring device and hydraulic actuator
Christian Breuer-Ruesch, Vienna (AT); Andreas Gradischar, Vienna (AT); Juan Pablo Mejia Nino, Vienna (AT); Roland Auberger, Vienna (AT); and Alexander Noah Spring, Ottawa (CA)
Assigned to OTTO BOCK HEALTHCARE PRODUCTS GMBH, Vienna (AT)
Appl. No. 15/733,177
Filed by Otto Bock Healthcare Products GmbH, Vienna (AT)
PCT Filed Dec. 11, 2018, PCT No. PCT/EP2018/084324
§ 371(c)(1), (2) Date Jun. 4, 2020,
PCT Pub. No. WO2019/115513, PCT Pub. Date Jun. 20, 2019.
Claims priority of application No. 10 2017 129 486.4 (DE), filed on Dec. 11, 2017.
Prior Publication US 2020/0383805 A1, Dec. 10, 2020
Int. Cl. G01L 5/00 (2006.01); A61F 2/76 (2006.01); A61F 2/68 (2006.01); F16C 35/04 (2006.01); A61F 2/74 (2006.01)
CPC A61F 2/76 (2013.01) [A61F 2/68 (2013.01); F16C 35/047 (2013.01); G01L 5/0019 (2013.01); A61F 2/74 (2021.08); A61F 2002/7635 (2013.01); F16C 2316/10 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A linear force measurement device for a hydraulic actuator of an orthopedic device, comprising:
a base;
a bearing receptacle;
at least one sensor for detecting changes in length between the base and the bearing receptacle;
two mutually opposite webs connecting the bearing receptacle to the base;
a stiffening element arranged between the webs;
wherein the at least one sensor is fastened to one of the webs, and wherein the base, the bearing receptacle, the webs, and the stiffening element form a receiving space open at only one side.