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Study on the Three Dimensional Structure of the Human Ossicle Using Micro CT

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dc.contributor.author박, 기현-
dc.contributor.author문, 성균-
dc.contributor.author이, 준호-
dc.contributor.author원, 예연-
dc.contributor.author백, 명현-
dc.description.abstractBackgroud and Objectives: Conventional studies of the middle ear ossicles give relatively limited information on shape, mechanical strength and 3-dimensional relationship. Recently, Micro CT scanning technology has been applied to analysis of skeletal structures. This study aims to reconstruct the 3-dimensional structure of the ossicles, including length, thickness, strength, and the angle.

Materials and Method: The structures of ossicles obtained from 3 cadavers were analyzed through micro CT by filming the 2-dimensional cross section image running perpendicular to the long axis of the ossicles. The 3-dimensional images were thereby reconstructed for each, and were analyzed using CT-AnalyzerTM and AntTM. Based on the results, the strength, length, and angle of each ossicle were measured.

Results: The ratio between the handle of malleus (4.413 mm) and the long process of incus (3.559 mm), which acts as a lever of the middle ear impedance transformer, was 1.24. The volume fraction, indicating relative strengths of ossicles, was higher in the portion close to the articular surface.

Conclusion: Our preliminary data of the ossicular structure analysed by micro CT scan will be helpful for the elucidation of ossicle’s structure and the further development of artificial prosthesis.
dc.titleStudy on the Three Dimensional Structure of the Human Ossicle Using Micro CT-
dc.title.alternativeMicro CT를 이용한 사람 이소골의 3차원적 구조에 대한 연구-
dc.subject.keywordEar ossicles-
dc.subject.keywordThree-dimensional imaging-
dc.type.localJournal Papers-
dc.citation.titleTaehan Ibi Inhukwa Hakhoe chi-
dc.citation.titleJournal of the Korean Otolaryngological Society-
dc.identifier.bibliographicCitationTaehan Ibi Inhukwa Hakhoe chi, 46(4):276-281, 2003-
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Journal Papers > School of Medicine / Graduate School of Medicine > Otolaryngology
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