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Test device with thermal dummy for ossicle prosthesis with shape memory

A test device, the technology of hearing ossicles, applied in prosthetics, medical science, ear implants, etc., can solve problems such as the range of not particularly effective, and achieve the effect of simple work and improved quality

Active Publication Date: 2015-09-16
HEINZ KURZ MEDIZINTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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 device with thermal dummy for ossicle prosthesis with shape memory
  • Test device with thermal dummy for ossicle prosthesis with shape memory
  • Test device with thermal dummy for ossicle prosthesis with shape memory

Examples

Experimental program
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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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PUM

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Abstract

A test device for an ossicular prosthesis for implantation in the middle ear that includes a first fastening element, a second fastening element and a connecting element that connects the two fastening elements in a sound-conducting manner. Parts of the ossicular prosthesis are made of a material having memory effect and subjected to shape-altering thermal treatment at implantation. The test device also includes a device for determining an optimized power setting or an energy application site for preparing parts of the ossicular prosthesis to be subjected intraoperatively to thermal treatment using a prosthesis mock-up that is identical in design to the ossicular prosthesis in terms of material, geometric shape, and manufacturing method in the parts to be subjected intraoperatively to thermal treatment.

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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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/18
CPCA61F2002/183A61F2/0095A61F2/18
Inventor U.施泰因哈特
Owner HEINZ KURZ MEDIZINTECHN
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