Results 151 to 160 of about 1,791 (185)
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Displacement of a Total Ossicular Replacement Prosthesis Following Ossicular Chain Reconstruction
Annals of Otology, Rhinology & Laryngology, 2020Objective: Herein we describe the diagnosis and management of total ossicular replacement prosthesis (TORP) displacement following tympanoplasty with ossicular chain reconstruction (OCR). Methods: Case report with literature review. Results/Case: A 40-year-old male with otorrhea and tympanic membrane perforation underwent a right revision tympanoplasty
Aparna Govindan +3 more
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High-resolution computerized tomography for ossicular replacement prostheses
Acta Otorrinolaringológica Española, 2023To study the accuracy of high-resolution computed tomography (HRCT) for assessing the ossicular structures in cadaveric temporal bone by the distance between temporal bone elements is of great interest.To record the distances between the malleal neck and both the stapedial head and footplate by HRCT.
Pongsathorn Sagonrat +2 more
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Ossicular Replacement Prosthesis
Annals of Otology, Rhinology & Laryngology, 1973A fixed footplate in a well aerated middle ear devoid of ossicles is generally acknowledged to be a difficult otologic reconstructive problem. A rapid method employing readily available materials is presented with several case reports. The method employs a combined alloplastic-tissue prosthesis which is easily assembled and inserted.
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Failures with Plasti‐Pore Ossicular Replacement Prostheses
Otolaryngology–Head and Neck Surgery, 1984Plasti‐Pore ossicular prosthesis failures found in our series of 246 patients with regular follow‐up are reported and analyzed. Extrusions as well as poor functional results (postoperative air‐bone gap greater than 25 dB) of the prostheses with and without cartilage on top have been reviewed. The overall extrusion rate was 9.3%: a higher extrusion rate
M, Sanna +4 more
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Bioceramics in Ossicular Replacement Prostheses: A Review
Journal of Long-Term Effects of Medical Implants, 2011For many decades, bioceramic materials have been used in a variety of biomedical applications due to their biocompatibility, hardness, wear resistance and compressive strength properties. Bioceramic materials, including Bioglass, glass ceramic materials, and hydroxyapatite, have used to create total ossicular replacement prostheses and partial ...
Plawut, Wongwiwat +3 more
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Magnetic ossicular replacement prosthesis
The Journal of the Acoustical Society of America, 1989An ossicular replacement prosthesis containing a magnet in the head of the prosthesis so that when used with a magnetic induction hearing aid having a coil producing a magnetic field, the hearing losses resulting from insertion of the prosthesis and any other remaining hearing losses can be corrected without the difficulties associated with ...
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Hydroxylapatite ossicular replacement prostheses: Preliminary results
The Laryngoscope, 1990AbstractHearing results and extrusion rate for 89 consecutive patients receiving hydroxylapatite prostheses for hearing reconstruction were evaluated and compared to a control group of 75 patients who had received homograft bone or Plasti‐Pore® prostheses.
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Aluminum Oxide Ceramic Ossicular Replacement Prosthesis
Annals of Otology, Rhinology & Laryngology, 1985Two different prototypes of columella materials made from aluminum oxide ceramics were newly designed by the author for ossicular reconstruction. CORP-P (ceramic ossicular replacement prosthesis-partial) is used as a columella to fit onto the stapes head, and CORP-T (ceramic ossicular replacement prosthesis-total) is used as a columella placed onto ...
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Rapid prototyping of ossicular replacement prostheses
Applied Surface Science, 2007Materials used in ossicular replacement prostheses must demonstrate appropriate biological compatibility, acoustic transmission, stability, and stiffness properties. Prostheses prepared using Teflon®, titanium, Ceravital and other conventional materials have demonstrated several problems, including migration, perforation of the tympanic membrane ...
A. Ovsianikov +5 more
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Otolaryngology–Head and Neck Surgery, 2014
ObjectiveThe objective of this study was to compare hearing results in patients undergoing ossiculoplasty with bone cement (BC) vs partial ossicular replacement prosthesis (PORP) in cases of incudostapedial discontinuity during tympanoplasty surgeries.Study DesignCase series with chart review.SettingTertiary referral center.SubjectsA total of 44 ...
Iseri, Mete +6 more
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ObjectiveThe objective of this study was to compare hearing results in patients undergoing ossiculoplasty with bone cement (BC) vs partial ossicular replacement prosthesis (PORP) in cases of incudostapedial discontinuity during tympanoplasty surgeries.Study DesignCase series with chart review.SettingTertiary referral center.SubjectsA total of 44 ...
Iseri, Mete +6 more
openaire +3 more sources