Mechanics of the Middle Ear
Mechanics of the Middle Ear
批准号:
RGPIN-2015-03799
负责人:
Ladak, Hanif
金额:
$1.6万
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2015
资助国家:
加拿大
项目状态:
已结题
起止时间:
2015-01-01 至 2016-12-31
中文摘要
中耳由三块骨头组成的链条(锤骨、砧骨、胫骨和距骨),这些骨头由韧带悬挂在头部一个充满空气的空腔中,并由两块肌肉--砧骨和鼓室张肌--作用。鼓膜将中耳与耳道分开,并与锤骨相连。通过计算机模型,我们对中耳生物力学的理解得到了加强。然而,目前的模型不能用来模拟高强度的声音和腓肠肌的反射性收缩。计算机模型的扩展对于诊断、辅助和保护设备的工程和设计非常重要。
英文摘要
The middle ear consists of a chain of three bones (malleus, incus, and stapes) that are suspended by ligaments in an air-filled cavity in the head and are acted upon by two muscles, the stapedius and tensor tympani. The eardrum separates the middle ear from the ear canal and is connected to the malleus. Our understanding of the middle ear’s biomechanics has been enhanced by computer models. However, current models cannot be used to simulate high intensity sounds and reflexive contraction of the stapedius muscle. Extension of computer models is important for the engineering and design of diagnostic, assistive and protective devices.
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