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The aging of the population, and greater exposure to noise, are responsible for an increased incidence of hearing loss (presbycusis). This hearing loss is sensorineural disability that has become a real public health problem. The main means of rehabilitation of this disability is represented by the apparatus of patients with conventional hearing aids. However, these hearing aids have several drawbacks that limit their profits, often abandoning the prosthesis by the patient.
Middle ear implants were developed to answer these problems. They are intended to amplify the sound signal by transmitting directly to the middle ear to compensate for the hearing loss and are indicated in case of failure or contraindication of conventional equipment. However, these middle ear implants currently have limitations as performance failure. Recent data show that the performance of the ossicles repair techniques are dependent on the coupling of the ossicular prosthesis to the ossicles. Furthermore, advances in the understanding of the biomechanics of the ossicles confirm the importance of the placement and linkage of surgical restoration processes. This data can be applied to middle ear implants to improve performance. Indeed, a preliminary experimental study on anatomical parts, using analysis of the vibration of the middle ear structures by laser velocimetry, allowed the investigators to define the transducer placement method and coupling method to ossicles.
Investigators wish to validate in vivo results in a pilot study on a small number of patients by comparing two surgical techniques guided by velocimetric measures.
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2 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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