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Related Manuals for Widex IIC Impression
Summary of Contents for Widex IIC Impression
- Page 1 Quick Guide IIC ImpressIon manual...
- Page 2 CIC vs IIC When fitting a client with an IIC (Invisible In Canal), it is im- portant to point out that making a good earmould or shell is work of high precision. Each ear canal is individual, and an accurate impression must be taken in order to collect the data on which the shell production can be based.
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Page 3: Required Tools
requIred tools The process of impression-taking can be divided into three major tasks: • Inspection of the ear canal and eardrum • Taking the impression • Verifying the impression The following tools are required: 1. Otoscope 2. Otoblock material 3. - Page 4 takIng the ImpressIon To make sure that the client is relaxed during the impression-taking process, it is important to explain the procedure. You should: • Find out whether the client has had ear impressions taken before. • Find out whether the client has ever felt dizziness during impression- taking.
- Page 5 Widex IIC gauge, and a marker pen. As the ear canal is oval in shape, measurements must be undertaken of both the width and the thickness at different points.
- Page 6 1. Outer end verification I First of all, you will need to measure the minimum width required to place the outer end of the IIC hearing aid, i.e. the part which contains the battery drawer. Hold or place the ear impression with the canal part pointing upwards.
- Page 7 2. Outer end verification II Next, turn the impression 90 degrees to measure the thickness at the marked point. If the impression does not slide into the cut- out marked THICKNESS in the green section, the marking on the impression will roughly represent the outer end of the hearing aid.
- Page 8 3. Transverse receiver verification I Next, you will need to check the minimum width required to place the transverse re- ceiver in the IIC hearing aid. Hold or place the ear impression with the canal part pointing upwards. Place the cutout marked WIDTH TR in the orange section at the tip of the impression.
- Page 9 4. Transverse receiver verification II Turn the impression 90 degrees to measure the thickness at the marked point. If the impression does not slide into the cutout marked THICKNESS TR in the orange sec- tion, the marking on the impression will roughly represent the inner end of the hear- ing aid using a transverse receiver.
- Page 10 5. Length verification (transverse receiver) After completing the measurements of width and thickness needed for a transverse receiver, you can now measure the length between the markings. Place the cutout marked LENGTH TR (or- ange section) alongside the canal part of the impression to check whether the minimum length has been met for the solution. ...
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