Vacuum valve of new construction possesses improved functional properties.
The valve is easy to install into a hip socket and it is reliable during exploitation. The vacuum valve of this construction creates optimal distress and decreases stress inside the prosthesis socket in comparison with hydrostatic stress inside the stump. Therefore, the singleness between the stump and the prosthesis is enhanced.
The vacuum valve consists of a flat rubber ring, polymer ring and metallic nipple.
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