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Test appliance with thermal dummy for an auditory ossicle prosthesis with shape memory

A testing device and technology for hearing ossicles, which are used in prosthesis, medical science, ear implants, etc., can solve problems such as the range that is not particularly effective, and achieve the effect of simple work and improved quality

Active Publication Date: 2013-04-10
HEINZ KURZ MEDIZINTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But only because of users' very different instruments for in-situ heat treatment, these descriptions can only cover a very broad and therefore often not particularly valid range

Method used

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  • Test appliance with thermal dummy for an auditory ossicle prosthesis with shape memory
  • Test appliance with thermal dummy for an auditory ossicle prosthesis with shape memory
  • Test appliance with thermal dummy for an auditory ossicle prosthesis with shape memory

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] There is an ossicle prosthesis 2 for implantation in the middle ear (it has at its one end a first fixation element 2a for mechanical connection with the joint of the ossicle chain or the tympanic membrane and at its other end for connection with the eardrum). Another segment of the ossicle chain or a second fixation element 2b that is directly mechanically connected to the inner ear and a connecting element 2c that acoustically connects the two fixation elements 2a, 2b to each other, and wherein at least the auditory ossicle prosthesis 2 A test device 1 according to the invention, partly made of a material with shape memory (=memory effect), which is subjected to a shape-changing heat treatment when the ossicle prosthesis 2 is implanted in the middle ear) is schematically shown in the drawing The illustrated embodiment is characterized according to the invention in that the test device 1 comprises means for determining the optimal power setting and / or energy application...

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Abstract

A test appliance (1) with an auditory ossicle prosthesis (2), which is made at least partially of a shape-memory material and which has a first securing element (2a), for mechanical connection to the ear drum or to a member of the auditory ossicle chain, and a second securing element (2b), for connection to another member of the auditory ossicle chain or for connection directly to the inner ear, and a connection element (2c) connecting the two securing elements, wherein the prosthesis is subjected to a shape-modifying thermal treatment upon implantation in the middle ear, is characterized in that it comprises a device for determining an optimized power setting and / or energy application site for the processing of the prosthesis parts that are to be treated thermally during the operation and contains a prosthesis dummy (3) which mimics the prosthesis and which, in those areas where the associated prosthesis is intended to be treated thermally during the operation, is constructed identically to the prosthesis in terms of material, geometric configuration and method of production. This permits, shortly before implantation of the middle-ear prosthesis, an intraoperative and contact-free determination of the optimal parameter settings for the thermal treatment devices available.

Description

technical field [0001] The present invention relates to a kind of test device with the auditory ossicle prosthesis (Gehoerknoechelchenprothese) that is used to be implanted in the middle ear, and the auditory ossicle prosthesis replaces or supplements at least one joint (Glied) or joint of the human auditory ossicle chain (Gehoerknoechelchenkette) , wherein the ossicle prosthesis has at its one end a first fixation element for mechanical connection with the nodes of the ossicle chain or the tympanic membrane, especially with the incus protrusion (Ambossfortsatz) or with the malleus handle (Hammergriff), and at Its other end place has the second fixation element that is used to be connected with the other joint of auditory ossicle chain or the part of joint or directly with inner ear mechanically and with the connection element that these two fixation elements are interconnected in the mode of sound transmission, and wherein , at least part of the ossicle prosthesis is made of ...

Claims

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Application Information

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IPC IPC(8): A61F2/18
CPCA61F2/0095A61F2/18A61F2002/183
Inventor U.施泰因哈特
Owner HEINZ KURZ MEDIZINTECHN
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