Liner having an integrated electrode

A sleeve and electrode technology, applied in the field of sleeves, can solve the problems of cost, high sealing, troublesome manufacturing and wearing comfort

Active Publication Date: 2014-12-10
OTTO BOCK HEALTHCARE IP GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system needs to be laborious to manufacture and has limited wearing comfort
In addition, the window of the bushing requires particularly high sealing effort if the bushing is (as usual) designed to be gas-tight in order to hold the bushing on the amputation stump by means of a negative pressure formed in the inner space of the bushing.

Method used

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  • Liner having an integrated electrode
  • Liner having an integrated electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] From Figures 1 to 5 It can be seen from the bushing section shown in that it is configured with a seamlessly closed wall 2 and tapers in the usual manner funnel-shaped towards the distal end. A receptacle 3 is formed in the material of the wall 2 in the form of a cavity open radially outwards, which is closed to the inner space 4 of the bushing with a thin wall section 5 as the bottom of the recess 3 . In the wall section 5 there are three electrically conductive sections 6 which are spaced apart from one another and are separated from one another by the non-conductive material of the bushing 1 . The electrically conductive section is formed in one piece with the material of the wall section 5 , so that a flat and continuous inner wall 7 is also present in the region of the receptacle 3 , as in particular image 3 and 5 shown.

[0024] Figures 2 to 5 It is shown that the receptacle 3 is delimited by an edge 8 which is formed by a material thickening of the wall of...

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PUM

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Abstract

The invention relates to a liner that is intended to be pulled over an amputation stump, is made of an electrically non-conducting material, has a form that is adapted or that adapts to the amputation stump, has an inner wall (7) that lies against the skin of the amputation stump, and is provided with at least one electrode (11), which is arranged between the skin of the amputation stump and the outside of the liner (1) in order to transmit electrical signals, a high level of wearing comfort is ensured along with reliable transmission of the electrical signals in that at least one conducting section (6) is integrated into the material of the liner (1) in the area of the electrodes (11), the at least one conducting section forming a uniform and consistently oriented inner wall together with the non-conducting material of the liner (1).

Description

technical field [0001] The invention relates to a bushing for fitting over an amputation stump, consisting of a non-conductive material, having a shape adapted to the amputation stump or adapted itself, having an inner wall resting against the skin of the amputation stump And at least one electrode is provided for transmitting electrical signals between the skin of the amputation stump and the outside of the bushing. Background technique [0002] Bushings of this type have a certain wall thickness and are functional, cushioned and adapted to the amputation stump or to an adapted intermediate layer between the amputation stump and the inner wall of the prosthesis cartridge. The prosthesis cartridge is the part of the prosthesis that replaces the amputated portion of the patient's limb. [0003] The transmission of electrical signals between the amputation stump and the outside of the liner may be considered for a number of reasons. It may therefore be expedient to transmit ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/72A61F2/78
CPCA61F2/72A61F2/7812A61F2002/7818
Inventor A·莱尼格尔J·福尔克马尔M·戈特勒
Owner OTTO BOCK HEALTHCARE IP GMBH & CO KG
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