本文關(guān)鍵詞：耳顯微外科手術(shù)相關(guān)結(jié)構(gòu)的解剖測(cè)量　出處：《第一軍醫(yī)大學(xué)》2006年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 耳蝸植入 解剖學(xué) 圓窗龕 面神經(jīng) 中耳手術(shù) 解剖學(xué) 面神經(jīng)

【摘要】：第一部分 人工耳蝸植入術(shù)相關(guān)結(jié)構(gòu)的解剖測(cè)量 目的 通過(guò)對(duì)人工耳蝸植入手術(shù)相關(guān)的解剖結(jié)構(gòu)進(jìn)行觀察、測(cè)量，為人工耳蝸植入手術(shù)提供理論參數(shù)。 方法 1．1 材料：取經(jīng)福爾馬林浸泡的國(guó)人成人頭顱濕標(biāo)本10例20耳，均來(lái)自第一軍醫(yī)大學(xué)解剖學(xué)教研室，其中女性4例8耳，男性6例12耳，均無(wú)中耳畸形和疾病(研究中證實(shí))。測(cè)量工具：自制仿鐙骨測(cè)量器，制圖用帶長(zhǎng)針頭分規(guī)，精確度0.02mm的游標(biāo)卡尺，耳科萊卡手術(shù)顯微鏡，耳科電鉆，常規(guī)耳科手術(shù)器械。 1．2 方法： 1．2．1 實(shí)驗(yàn)步驟：經(jīng)乳突后鼓室進(jìn)路，行乳突切除，保留外耳道后壁，暴露砧骨短腳，磨出面神經(jīng)垂直段(磨去骨管)和鼓索神經(jīng)，在兩者之間切開面隱窩，進(jìn)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(jìn)入鼓階。顯露水平半規(guī)管隆起，磨出藍(lán)線(膜半規(guī)管)。在顯微鏡下觀察測(cè)量相關(guān)解剖標(biāo)志及數(shù)據(jù)。然后去除砧骨，在匙突下方1.338mm處鉆孔進(jìn)入耳蝸第二圈，磨出耳蝸底轉(zhuǎn)、第二圈及頸內(nèi)動(dòng)脈管，測(cè)量耳蝸底轉(zhuǎn)前緣與頸內(nèi)動(dòng)脈管后緣之間的距離。 1．2．2 主要觀察指標(biāo)：鐙骨頭下緣與耳蝸底轉(zhuǎn)切開點(diǎn)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(zhuǎn)切開點(diǎn)之間的距離，鐙骨頭下緣與耳蝸第二轉(zhuǎn)切開點(diǎn)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(zhuǎn)切開點(diǎn)之間的距離，面神經(jīng)垂直段與圓窗龕的距離，面神經(jīng)與鼓索神經(jīng)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(xué)位授予單位】：第一軍醫(yī)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2006
【分類號(hào)】：R322;R764

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