AI Article Synopsis
- Plasti-pore is a biocompatible high-density polyethylene sponge designed for implantation in the middle ear, known for its nonreactivity in simulated biochemical environments.
- The main types of prosthetic designs using Plasti-pore are the total ossicular replacement prosthesis and the partial ossicular replacement prosthesis.
- After 20 years of use, Plasti-pore implants have gained acceptance among otologic surgeons, and the article reviews their material properties, implant designs, and surgical techniques.
Article Abstract
Plasti-pore, a high-density polyethylene sponge, was one of the earliest biocompatible materials developed specifically for implantation in the middle ear. It is one of the most nonreactive materials known when tested in simulated biochemical exposure to pseudoextracellular fluid. The two basic prosthetic designs are the total ossicular replacement prosthesis and the partial ossicular replacement prosthesis. Plasti-pore implants have now been used for 20 years and are widely accepted by otologic surgeons. The basic properties of the material, implant design, and surgical techniques involved using these prostheses are reviewed in this article.
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Plasti-pore implants in middle ear surgery.
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Article Synopsis
- Plasti-pore is a biocompatible high-density polyethylene sponge designed for implantation in the middle ear, known for its nonreactivity in simulated biochemical environments.
- The main types of prosthetic designs using Plasti-pore are the total ossicular replacement prosthesis and the partial ossicular replacement prosthesis.
- After 20 years of use, Plasti-pore implants have gained acceptance among otologic surgeons, and the article reviews their material properties, implant designs, and surgical techniques.
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Between 1987 and 1991, I have used 215 hydroxylapatite middle ear implants, in various styles, for hearing reconstruction. The first such implants were composed entirely of hydroxylapatite. Because of intraoperative difficulties in shaping and trimming these prostheses, hybrid prostheses using Plasti-Pore were developed.
View Article and Find Full Text PDFHydroxylapatite ossicular replacement prostheses: preliminary results.
Laryngoscope
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Hearing 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. At the 3-month follow-up, there were no cases of extrusion of the hydroxylapatite prostheses. Hearing success was defined as a postoperative air-bone gap of less than or equal to 15 dB for incus prostheses and partial ossicular replacement prostheses or less than or equal to 25 dB for incus-stapes prostheses and total ossicular replacement prostheses.
View Article and Find Full Text PDF[Identification of middle ear implants in high-resolution computerized tomography].
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