Intraoperative measurement for a new transcutaneous bone conduction hearing implant

Johannes Schnabl; Astrid Wolf-Magele; Stefan Marcel Pok; Philipp Schoerg; Lena Hirtler; Max Schloegel; Georg Sprinzl

doi:10.1097/MAO.0000000000000351

Intraoperative measurement for a new transcutaneous bone conduction hearing implant

Johannes Schnabl, Astrid Wolf-Magele, Stefan Marcel Pok, Philipp Schoerg, Lena Hirtler, Max Schloegel, Georg Sprinzl

Klinische Abteilung für Hals-Nasen-Ohren (Universitätsklinikum St. Pölten)

Publikation: Beitrag in Fachzeitschrift (peer-reviewed) › Artikel in Fachzeitschrift

9 Zitate (Scopus)

Abstract

OBJECTIVE: To investigate the possibility of using a modified reverse transfer function (RTF) measurement intraoperatively during surgery of a new transcutaneous bone conduction hearing implant to evaluate the status of the device.

METHODS: Tests were performed on a cadaver skull (preclinically) and two conductive hearing loss patients implanted with a new transcutaneous bone conduction implant. During intraoperative activation, the RTF was measured using a microphone attached perpendicularly and directly to the skin in the middle section of the forehead.

RESULTS: The RTF could be measured for all frequencies from 500 to 6, 000 Hz.

CONCLUSION: The usage of an intraoperative RTF measurement may be a good method to verify the mechanical coupling of the bone conduction floating mass transducer and to test the functional integrity of the implant in an objective way.

Originalsprache	Englisch
Seiten (von - bis)	1242-1247
Seitenumfang	6
Fachzeitschrift	Otology and Neurotology
Jahrgang	35
Ausgabenummer	7
DOIs	https://doi.org/10.1097/MAO.0000000000000351
Publikationsstatus	Veröffentlicht - Aug. 2014

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10.1097/MAO.0000000000000351

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title = "Intraoperative measurement for a new transcutaneous bone conduction hearing implant",

abstract = "OBJECTIVE: To investigate the possibility of using a modified reverse transfer function (RTF) measurement intraoperatively during surgery of a new transcutaneous bone conduction hearing implant to evaluate the status of the device.METHODS: Tests were performed on a cadaver skull (preclinically) and two conductive hearing loss patients implanted with a new transcutaneous bone conduction implant. During intraoperative activation, the RTF was measured using a microphone attached perpendicularly and directly to the skin in the middle section of the forehead.RESULTS: The RTF could be measured for all frequencies from 500 to 6, 000 Hz.CONCLUSION: The usage of an intraoperative RTF measurement may be a good method to verify the mechanical coupling of the bone conduction floating mass transducer and to test the functional integrity of the implant in an objective way.",

keywords = "Audiometry, Bone Conduction/physiology, Hearing Aids, Hearing Loss, Conductive/physiopathology, Humans, Prostheses and Implants",

author = "Johannes Schnabl and Astrid Wolf-Magele and Pok, {Stefan Marcel} and Philipp Schoerg and Lena Hirtler and Max Schloegel and Georg Sprinzl",

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doi = "10.1097/MAO.0000000000000351",

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T1 - Intraoperative measurement for a new transcutaneous bone conduction hearing implant

AU - Schnabl, Johannes

AU - Wolf-Magele, Astrid

AU - Pok, Stefan Marcel

AU - Schoerg, Philipp

AU - Hirtler, Lena

AU - Schloegel, Max

AU - Sprinzl, Georg

PY - 2014/8

Y1 - 2014/8

N2 - OBJECTIVE: To investigate the possibility of using a modified reverse transfer function (RTF) measurement intraoperatively during surgery of a new transcutaneous bone conduction hearing implant to evaluate the status of the device.METHODS: Tests were performed on a cadaver skull (preclinically) and two conductive hearing loss patients implanted with a new transcutaneous bone conduction implant. During intraoperative activation, the RTF was measured using a microphone attached perpendicularly and directly to the skin in the middle section of the forehead.RESULTS: The RTF could be measured for all frequencies from 500 to 6, 000 Hz.CONCLUSION: The usage of an intraoperative RTF measurement may be a good method to verify the mechanical coupling of the bone conduction floating mass transducer and to test the functional integrity of the implant in an objective way.

AB - OBJECTIVE: To investigate the possibility of using a modified reverse transfer function (RTF) measurement intraoperatively during surgery of a new transcutaneous bone conduction hearing implant to evaluate the status of the device.METHODS: Tests were performed on a cadaver skull (preclinically) and two conductive hearing loss patients implanted with a new transcutaneous bone conduction implant. During intraoperative activation, the RTF was measured using a microphone attached perpendicularly and directly to the skin in the middle section of the forehead.RESULTS: The RTF could be measured for all frequencies from 500 to 6, 000 Hz.CONCLUSION: The usage of an intraoperative RTF measurement may be a good method to verify the mechanical coupling of the bone conduction floating mass transducer and to test the functional integrity of the implant in an objective way.

KW - Audiometry

KW - Bone Conduction/physiology

KW - Hearing Aids

KW - Hearing Loss, Conductive/physiopathology

KW - Humans

KW - Prostheses and Implants

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JO - Otology and Neurotology

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Intraoperative measurement for a new transcutaneous bone conduction hearing implant

Abstract

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