A 3D-printed functioning anatomical human middle ear model

Hearing Research
Ismail KuruTim C Lueth

Abstract

The middle ear is a sophisticated and complex structure with a variety of functions, yet a delicate organ prone to injuries due to various reasons. Both, understanding and reconstructing its functions has always been an important topic for researchers from medical and technical background. Currently, human temporal bones are generally used as model for tests, experiments and validation of the numerical results. However, fresh human preparations are not always easily accessible and their mechanical properties vary with time and between individuals. Therefore we have built an anatomically based and functional middle ear model to serve as a reproducible test environment. Our middle ear model was manufactured with the aid of 3D-printing technology. We have segmented the essential functional elements from micro computed tomography data (μCT) of a single temporal bone. The ossicles were 3D-printed by selective laser melting (SLM) and the soft tissues were casted with silicone rubber into 3D-printed molds. The ear canal, the tympanic cavity and the inner ear were artificially designed, but their design ensured the anatomically correct position of the tympanic membrane, ossicular ligaments and the oval window. For the determination of ...Continue Reading

References

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Citations

Oct 27, 2017·Anatomical Science International·Ryoji SuzukiHiroshi Abe
Apr 27, 2018·The British Journal of Radiology·Susan C ShelmerdineOwen J Arthurs
Oct 23, 2018·Advanced Materials·Yei Hwan JungTae-Il Kim
Dec 4, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ricky ChaeRoberto Rodriguez Rubio
Sep 25, 2020·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·John GuyChristopher Coulson
Sep 21, 2017·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Nongping Zhong, Xia Zhao
Jul 23, 2020·Frontiers in Physiology·Lauren RichardsonArum Han
May 5, 2021·Advanced Healthcare Materials·Shivesh AnandCarlos Mota

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