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Start Over Author "Shou I. Chen" Journal kaohsiung journal of medical sciences
2 results on '"Shou I. Chen"'

1. Modeling sound transmission of human middle ear and its clinical applications using finite element analysis

Author

Shou-I Chen, Ming-Hsiao Lee, Chih-Min Yao, Peir-Rong Chen, Yuan-Fang Chou, Tien-Chen Liu, Yu-Lin Song, and Chia-Fone Lee

Subjects
Finite element analysis, Mastoid cavity, Mathematical model, Middle ear biomechanics, Medicine (General), R5-920
Abstract

We have developed a new finite element (FE) model of human right ear, including the accurate geometry of middle ear ossicles, external ear canal, tympanic cavity, and mastoid cavity. The FE model would be suitable to study the dynamic behaviors of pathological middle ear conditions, including changes of stapedial ligament stiffness, tensor tympani ligament (TTL), and tympanic membrane (TM) stiffness and thickness. Increasing stiffness of stapedial ligament has substantial effect on stapes footplate movement, especially at low frequencies, but less effect on umbo movement. Softer TTL will result in increasing umbo and stapes footplate displacement, especially at low frequencies (f1500 Hz. As (TM) thickness was increased, the umbo displacement was reduced, especially at very low frequencies (f

Published
2013
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2. Modeling sound transmission of human middle ear and its clinical applications using finite element analysis

Author

Tien-Chen Liu, Peir-Rong Chen, Yuan-Fang Chou, Yu-Lin Song, Shou-I Chen, Chih-Min Yao, Ming-Hsiao Lee, and Chia-Fone Lee

Subjects
Male, Tympanic Membrane, Umbo, Ear, Middle, Models, Biological, Vibration, Mathematical model, Tensor Tympani, otorhinolaryngologic diseases, medicine, Image Processing, Computer-Assisted, Humans, Tympanic cavity, Computer Simulation, Ear canal, Middle ear biomechanics, Stapes, Medicine(all), lcsh:R5-920, Ossicles, business.industry, Finite element analysis, Temporal Bone, General Medicine, Anatomy, Middle Aged, Footplate, medicine.anatomical_structure, Sound, Mastoid cavity, Middle ear, sense organs, business, lcsh:Medicine (General), Software
Abstract

We have developed a new finite element (FE) model of human right ear, including the accurate geometry of middle ear ossicles, external ear canal, tympanic cavity, and mastoid cavity. The FE model would be suitable to study the dynamic behaviors of pathological middle ear conditions, including changes of stapedial ligament stiffness, tensor tympani ligament (TTL), and tympanic membrane (TM) stiffness and thickness. Increasing stiffness of stapedial ligament has substantial effect on stapes footplate movement, especially at low frequencies, but less effect on umbo movement. Softer TTL will result in increasing umbo and stapes footplate displacement, especially at low frequencies (f1500 Hz. As (TM) thickness was increased, the umbo displacement was reduced, especially at very low frequencies (f

Published
2013

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