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We descriobe the case of a 83-year-old woman with essential bilateral hearing impairment as the effect of chronic otitis media. An individually fitted hearing aid was produced for the patient using stereolithography technology and vacuum casting based on data obtained during ear CT. Rapid prototyping may help in manufacturing individually adjusted biomedical prostheses, reducing the time of device production and improving its fitting.<\/jats:p>","DOI":"10.1177\/197140090902200212","type":"journal-article","created":{"date-parts":[[2015,4,22]],"date-time":"2015-04-22T17:40:15Z","timestamp":1429724415000},"page":"209-214","source":"Crossref","is-referenced-by-count":7,"title":["Individually Fitted Hearing Aid Device Manufactured Using Rapid Prototyping Based on Ear CT"],"prefix":"10.1177","volume":"22","author":[{"given":"R.","family":"Chrzan","sequence":"first","affiliation":[{"name":"Radiology Department, Collegium Medicum Jagiellonian University; Krakow, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Miechowicz","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology; Rzeszow, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Urbanik","sequence":"additional","affiliation":[{"name":"Radiology Department, Collegium Medicum Jagiellonian University; Krakow, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O.","family":"Markowska","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology; Rzeszow, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"Kudasik","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology; Rzeszow, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2009,4,1]]},"reference":[{"key":"bibr1-197140090902200212","unstructured":"Grenda E: The Most Important Commercial Rapid Prototyping Technologies at a Glance. 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