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Stapes is the last bone of this ossicular chain and

KW - ossicular reconstruction

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Currently ORP’s are attached to the ossicular chain

The Dornhoffer implant line is a premier offering of the latest technology in ossicular reconstruction prostheses. All of the heads in the Dornhoffer line feature a low profile contoured HA head. A groove is added to accommodate the malleus if present. The Dornhoffer product line consists of a 2mm fixed length partial, adjustable partial, adjustable total and a titanium footplate shoe. The footplate shoe greatly stabilizes the implant and can be adjusted to fit between the stapes crus remnants. A recent new feature incorporates windows in the HA head for increased visualization. The ALTO Dornhoffer is packaged with disposable sizers and preloaded in the patented ALTO adjuster which simplifies the need to properly size the implant.

Austin DF. Ossicular reconstruction. Otolaryngology Clinics of North America. 1972; 5:689-714

Zakzouk A, Bonmardion N, Bouchetemble P, Lerosey Y, Marie JP. Titanium prosthesis or autologous incus for total ossicular reconstruction in the absence of the stapes suprastructure and presence of mobile footplate. Eur Arch Otorhinolaryngol. 2015; 272(10):2653-7

(1995) Ossicular chain reconstruction.

6. Wehrs RE. Ossicular reconstruction in ears with cholesteatoma. Otolaryngol Clin North Am. 1989 Oct;22(5):1003-13.

All these things take their toll on the long-term results. Even in the best hands, less than 50% achieve socially acceptable hearing from ossiculoplasty. If the stapes (the third and most delicate bone in the chain) has been damaged, the prospects of restoring useful hearing by ossiculoplasty are very poor indeed. Many UK ear surgeons won’t even attempt ossiculoplasty, since the chances of success are low, and there are significant risks of damaging the inner ear permanently by manipulating the ossicular chain in the attempt to rebuild it. My own view is that it is reasonable to attempt ossiculoplasty, if the situation on the table looks favourable. If the ossiculoplasty fails to give satisfactory hearing, we have the BAHA (Bone Anchored Hearing Aid – osseointegrated titanium auditory implant) to fall back upon.

Ossiculoplasty (oss-SICK-you-low-plas-tea) is an attempt to rebuild the damaged chain of tiny bones that conduct sound from the eardrum to the inner ear. The surgeon is faced with a three dimensional, microscopic jigsaw puzzle, where the pieces don’t interlock, and some are missing. The aim is to achieve a stable but mobile mechanical linkage, reconnecting the reconstructed eardrum to the inner ear. There are many techniques for ossiculoplasty, depending on the exact situation found at surgery.

Ossicular Prostheses - Middle Ear Implants Titanium, …

4. Gardner EK, Jackson CG, Kaylie DM. Results with titanium ossicular reconstruction prostheses. Laryngoscope. 2004 Jan;114(1):65-70.

In this paper we describe a modified total titanium ossicular replacement prosthesis with an innovative micro ball joint in the headplate which is designed to compensate for tympanic membrane movements caused by atmospheric pressure variations.

7. Desaulty A, Shahsavari S, Pasquesoone X. [Ossicular reconstruction with autograft in type III] Rev Laryngol Otol Rhinol (Bord). 2005;126(1):19-23. French.

3. Kartush JM. Ossicular chain reconstruction. Capitulum to malleus. Otolaryngol Clin North Am. 1994 Aug;27(4):689-715.
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  • Ossiculoplasty and Stapedioplasty with Titanium Prostheses

    current Trends in Middle Ear Surgery Ossiculoplasty And Stapedioplasty With Titanium Prostheses

  • is grafted to an intact ossicular chain Type II tympanoplasty ..

    Ossicular Implants

  • titanium ossicular replacement prosthesis ..

    Total Ossicular Replacement Prosthesis (TORP - Titanium) Material: Titanium Medical Grade 2 (ASTM F67) MRI Compatible

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Ossicular Chain Reconstruction in Children | …

Both Hydroxyapatite (HAP) and Titanium (Ti) are well-accepted alloplastic materials for ossicular prostheses. Many different designs of HAP and Ti prostheses are presently available1. Prostheses using both types of biomaterial gave good functional results and stability with low extrusion rates, with no statistically significant differences between the two. Nevertheless, extrusions could be seen during long -term follow-up in both materials2.

Ossicular Chain Reconstruction in Children ..

Historically, restoration of sound conduction had been largely ignored because of the primary concern of the surgeon was the creation of a ‘‘safe’’ ear. However, with the introduction of sculpted autograft incus interposition by Hall and Rytzner in 1957, the goals of chronic ear surgery expanded to both disease removal and hearing restoration. Since then, many innovative designs and materials have been used to bridge the gap between the malleus and stapes, and numerous approaches to ossicular reconstruction have been shown to be successful.

IS-joint prosthesis; Ossicular chain ..

Hydroxyapatite is a calcium phosphate ceramic whose elemental constituents closely resemble those of the mineral matrix of human bone3. Hydroxyapatite prostheses are widely used for ossicular reconstruction because of their excellent biocompatibility2 and favorable properties. Even though having favorable properties with HAP ossicular implants, the extrusion rate with HAP prosthesis is >7%3.

with ossicular chain reconstruction and synthetic prosthesis ..

AB - Objective/Hypothesis One European multicenter study has reported favorable outcomes after ossicular reconstruction with the titanium Kurz prosthesis. At the time of this study, however, no study has analyzed its outcomes when used for reconstruction after prior failure with another implant (revision reconstruction). The study reports our experience with the titanium Kurz prosthesis for revision ossicular reconstruction. Study Design A retrospective review was made of all revision ossicular reconstructions at our institution from October 1998 to September 2001. Methods Seventeen cases were reviewed. Patients were divided into two groups; patients who underwent revision ossicular reconstruction with the Kurz prosthesis and patients who underwent revision ossicular reconstruction with another prosthesis (the “other” group). Audiograms were reviewed and air-bone gaps were calculated for each patient. Results The average postoperative air-bone gap after Kurz revision was 15.6 dB, a statistically significant improvement over the average postoperative air-bone gap from the “other” revision group (P =. 022). Conclusion The titanium Kurz prosthesis has been an effective implant at our institution for revision ossicular reconstruction. Future research should focus on a prospective, randomized trial comparing the Kurz prosthesis with other prostheses currently in use.

Looking for online definition of ossicular reconstruction in ..

N2 - Objective/Hypothesis One European multicenter study has reported favorable outcomes after ossicular reconstruction with the titanium Kurz prosthesis. At the time of this study, however, no study has analyzed its outcomes when used for reconstruction after prior failure with another implant (revision reconstruction). The study reports our experience with the titanium Kurz prosthesis for revision ossicular reconstruction. Study Design A retrospective review was made of all revision ossicular reconstructions at our institution from October 1998 to September 2001. Methods Seventeen cases were reviewed. Patients were divided into two groups; patients who underwent revision ossicular reconstruction with the Kurz prosthesis and patients who underwent revision ossicular reconstruction with another prosthesis (the “other” group). Audiograms were reviewed and air-bone gaps were calculated for each patient. Results The average postoperative air-bone gap after Kurz revision was 15.6 dB, a statistically significant improvement over the average postoperative air-bone gap from the “other” revision group (P =. 022). Conclusion The titanium Kurz prosthesis has been an effective implant at our institution for revision ossicular reconstruction. Future research should focus on a prospective, randomized trial comparing the Kurz prosthesis with other prostheses currently in use.

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