The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2019
Filed:
Mar. 07, 2016
Applicant:
Blatchford Products Limited, Basingstoke Hampshire, GB;
Inventors:
Assignee:
BLATCHFORD PRODUCTS LIMITED, Basingstoke Hampshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F 2/66 (2006.01); A61F 2/74 (2006.01); A61F 2/78 (2006.01); A61F 2/80 (2006.01); A61F 2/68 (2006.01); A61F 2/50 (2006.01); A61F 2/60 (2006.01);
U.S. Cl.
CPC ...
A61F 2/68 (2013.01); A61F 2/6607 (2013.01); A61F 2/7812 (2013.01); A61F 2/80 (2013.01); A61F 2002/5001 (2013.01); A61F 2002/5006 (2013.01); A61F 2002/607 (2013.01); A61F 2002/6657 (2013.01); A61F 2002/742 (2013.01); A61F 2002/745 (2013.01); A61F 2002/747 (2013.01); A61F 2002/748 (2013.01); A61F 2002/802 (2013.01);
Abstract
A lower limb prosthesis comprises a foot component and an ankle unit pivotally mounted to the foot component. The ankle unit comprises an ankle joint mechanism comprising a hydraulic piston and cylinder assembly for providing hydraulic damping whenever the ankle joint flexes, and a vacuum mechanism comprising a pneumatic piston and cylinder assembly for generating a vacuum. The hydraulic and pneumatic piston and cylinder assemblies are arranged such that the vacuum mechanism generates a vacuum during plantar-flexion of the ankle unit.