本文關鍵詞：耳顯微外科手術相關結構的解剖測量　出處：《第一軍醫(yī)大學》2006年碩士論文　論文類型：學位論文

  更多相關文章： 耳蝸植入 解剖學 圓窗龕 面神經 中耳手術 解剖學 面神經

【摘要】：第一部分 人工耳蝸植入術相關結構的解剖測量 目的 通過對人工耳蝸植入手術相關的解剖結構進行觀察、測量，為人工耳蝸植入手術提供理論參數。 方法 1．1 材料：取經福爾馬林浸泡的國人成人頭顱濕標本10例20耳，均來自第一軍醫(yī)大學解剖學教研室，其中女性4例8耳，男性6例12耳，均無中耳畸形和疾病(研究中證實)。測量工具：自制仿鐙骨測量器，制圖用帶長針頭分規(guī)，精確度0.02mm的游標卡尺，耳科萊卡手術顯微鏡，耳科電鉆，常規(guī)耳科手術器械。 1．2 方法： 1．2．1 實驗步驟：經乳突后鼓室進路，行乳突切除，保留外耳道后壁，暴露砧骨短腳，磨出面神經垂直段(磨去骨管)和鼓索神經，在兩者之間切開面隱窩，進入后鼓室，暴露卵圓窗、圓窗龕。在圓窗龕前下方1.422mm處鉆孔進入鼓階。顯露水平半規(guī)管隆起，磨出藍線(膜半規(guī)管)。在顯微鏡下觀察測量相關解剖標志及數據。然后去除砧骨，在匙突下方1.338mm處鉆孔進入耳蝸第二圈，磨出耳蝸底轉、第二圈及頸內動脈管，測量耳蝸底轉前緣與頸內動脈管后緣之間的距離。 1．2．2 主要觀察指標：鐙骨頭下緣與耳蝸底轉切開點之間的距離，鐙骨頭下緣與圓窗龕之間的距離，圓窗龕與耳蝸底轉切開點之間的距離，鐙骨頭下緣與耳蝸第二轉切開點之間的距離，鐙骨頭下緣與匙突之間的距離，匙突與耳蝸第二轉切開點之間的距離，面神經垂直段與圓窗龕的距離，面神經與鼓索神經在圓窗平
[Abstract]:Part I Anatomical measurements of the related structures of cochlear implants Purpose The anatomical structure related to cochlear implant operation was observed and measured to provide theoretical parameters for cochlear implant operation. Method Materials: 10 adult cranial wet specimens, 20 ears from the Department of Anatomy, first military Medical University, were collected from 10 Chinese adults soaked in formalin. Among them, 4 cases (8 ears) were female and 6 cases (12 ears) were males. There were no deformities and diseases of the middle ear (confirmed in the study). Measuring tools: self-made imitating stapes measuring instrument, drawing with long needle gauge, Vernier caliper with an accuracy of 0.02 mm, and otoleca surgical microscope. Ear drill, conventional otologic instruments. 1.2 methods: 1.2.1 Experimental steps: through the posterior tympanic approach, mastoid resection was performed, the posterior wall of the external auditory canal was preserved, the short foot of the incus was exposed, and the vertical segment of the facial nerve (grinding the bone canal) and the chorda tympani nerve were ground out. Cut the recess of the surface between the two, enter the posterior tympanic chamber, expose the oval window, the circle window niche, drill into the drum step at 1.422mm below the circle window niche, and expose the horizontal semicircular canal protuberance. The blue line (membranous semicircular canal) was ground out. The anatomic signs and data were observed under microscope. Then the incus was removed, and the second circle of cochlea was drilled into 1.338 mm below the spassus, and the cochlea was rotated at the bottom of the cochlea. The second circle and the internal carotid artery canal were used to measure the distance between the cochlear bottom and the posterior edge of the internal carotid artery. 1.2.2 main outcome measures: the distance between the inferior edge of the stapes head and the incision point of the cochlear fundus, the distance between the inferior margin of the stapes head and the circle window niche, and the distance between the circle window niche and the cochlear bottom turning incision point. The distance between the inferior edge of the head of the stapes and the second turn of the cochlea, the distance between the inferior edge of the head of the stapes and the spatula, the distance between the spassum and the second turning point of the cochlea, the distance between the vertical segment of the facial nerve and the recess of the round window. Facial nerve and chorda tympanum nerve at round window level
【學位授予單位】：第一軍醫(yī)大學
【學位級別】：碩士
【學位授予年份】：2006
【分類號】：R322;R764

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