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Lasers Surg Med. 2002;31(4):242-6.

Potential use of diode laser soldering in middle ear reconstruction.

Author information

1
Department of Otolaryngology/Head and Neck Surgery, Tufts-New England Medical Center, Boston, Massachusetts, USA.

Abstract

BACKGROUND AND OBJECTIVES:

To assess the potential use of diode laser soldering to improve mechanical stability of middle ear reconstruction. The diode laser with a biological solder may offer benefits over traditional methods. We evaluated the strength of soldered bonds and a means to apply such a technique in the human middle ear.

STUDY DESIGN/MATERIALS AND METHODS:

The strength of soldered junctions using fascia, cartilage, bone, and hydroxyappatite was evaluated in vitro. A diode laser (810-nm wavelength) and 50% albumin with 0.1% indocyanine green dye was used. Soldered bonds were compared to those obtained with adhesive alone. A fiberoptic delivery system was evaluated. Ten hydroxyappatite prostheses were soldered to the stapes in human cadaver temporal bones, and the force required to disrupt the bonds were measured.

RESULTS:

Statistically significant greater strength was obtained with soldering. Ossicular prostheses can be effectively secured to the stapes in a cadaver model.

CONCLUSIONS:

Soldering techniques show promise in middle ear reconstruction.

PMID:
12355568
DOI:
10.1002/lsm.10091
[Indexed for MEDLINE]

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