Results 161 to 170 of about 1,107 (194)
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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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Hearing Outcomes With a Novel Total Ossicular Replacement Prosthesis
Otology & Neurotology, 2020Introduction: A total ossicular replacement prosthesis (TORP) is used to reconstruct the ossicular chain in the absence of the stapes suprastructure. The Wildcat prosthesis is a novel TORP that eliminates the need for a separate footplate shoe prosthesis and aims to improve ease-of-use and stability.
Kenny F, Lin +5 more
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Hearing Results With the Dornhoffer Ossicular Replacement Prostheses
The Laryngoscope, 1998AbstractThe “ideal” prosthesis for ossicular reconstruction should, from a surgical standpoint, require easy manipulation, reduce surgeries to partial or total variants, and be constructed of stable, biocompatible material. From an acoustic standpoint, a prosthesis should weigh 10 to 40 mg, provide proper tension between the tympanic membrane (TM) and ...
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Comparison of Ossicular Replacement Materials in a Mouse Ear Model
Otolaryngology–Head and Neck Surgery, 1982Four biomaterials, UF45S5 Bioglass, Silastic, Plasti‐Pore, and Proplast, were used to replace the incus in a mouse ear model. Bioglass, a bioactive glass ceramic, compared favorably with the other test materials in maintaining surgical positioning between malleus and stapes and remaining stable to a blast of nitrogen gas and to pick manipulation.
G E, Merwin +3 more
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PlastiporeTM total ossicular replacement prosthesis
The Laryngoscope, 1976AbstractIn those ears in which the incus and/or malleus are missing or not suitable, a columella made of high density polyethylene sponge has proven to be very effective. Tissue readily grows into the large pores of this material so that it is well tolerated in the body.
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Use of Tragal Cartilage With the Total Ossicular Replacement Prosthesis
Archives of Otolaryngology - Head and Neck Surgery, 1978A method was developed for the use of tragal cartilage and perichondrium with the total ossicular replacement prosthesis. The method involves securing the flat base of the prosthesis in a perichondrial tunnel on the cartilage to stabilize the prosthesis, prevent extrusion, and promote vascularization.
C A, Saraceno, W C, Gray, C L, Blanchard
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Middle-ear dynamics before and after ossicular replacement
Journal of Biomechanics, 2000The mechanism of hearing involves conduction of mechanical vibrations along the ossicular chain to the inner ear. An acoustic wave is collected and transformed as it passes down the ear canal and impacts on the tympanic membrane (ear drum). The drum is connected to the inner-ear by three ossicle bones (malleus, incus, and stapes) in a complex ...
P, Ferris, P J, Prendergast
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Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery, 1982
Although much progress has been achieved in the functional restoration of ears damaged by chronic suppurative otitis media since the introduction of tympanoplasty 30 years ago, adequate hearing improvements in ears with loss of the stapedial arch have been the most elusive.
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Although much progress has been achieved in the functional restoration of ears damaged by chronic suppurative otitis media since the introduction of tympanoplasty 30 years ago, adequate hearing improvements in ears with loss of the stapedial arch have been the most elusive.
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Nan fang yi ke da xue xue bao = Journal of Southern Medical University, 2007
To evaluate the effect of ossicular reconstruction with partial ossicular replacement prosthesis (PORP) in patients with tympanosclerosis.The data of 28 cases of tympanosclerosis treated between 1992 and 2006 were reviewed. Of the 28 patients, 14 (14 ears) underwent ossicular reconstruction with PORP and 14 (14 ears) had ossicular mobilization, and all
Liang-cai, Wan +3 more
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To evaluate the effect of ossicular reconstruction with partial ossicular replacement prosthesis (PORP) in patients with tympanosclerosis.The data of 28 cases of tympanosclerosis treated between 1992 and 2006 were reviewed. Of the 28 patients, 14 (14 ears) underwent ossicular reconstruction with PORP and 14 (14 ears) had ossicular mobilization, and all
Liang-cai, Wan +3 more
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Ossicular Replacement With Self-stabilizing Presculptured Homologous Cartilage
Archives of Otolaryngology - Head and Neck Surgery, 1982The use of self-stabilizing, alloplastic ossicular replacement prostheses introduced by Shea and Homsy has improved postsurgical hearing results in patients with major ossicular defects. While hearing results after total and partial ossicular replacement are good, many authors have reported high rates of extrusion of these alloplastic materials.
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