廣州云啟(qi)--WA50012A電子(zi)腹腔(qiang)鏡維修廠家(jia)

硬性(xing)內窺鏡光(guang)學系統的雜散光(guang)分析與抑制

消雜光內窺鏡(jing)光學(xue)系統設計：

根據(ju)散(san)(san)雜光(guang)(guang)(guang)(guang)(guang)成(cheng)因(yin)的(de)分析銡果可知．婓(fei)消除內窺(kui)銳系(xi)(xi)(xi)統(tong)中(zhong)(zhong)(zhong)的(de)朵光(guang)(guang)(guang)(guang)(guang)．需(xu)婓(fei)擰(ning)(ning)制牡征光(guang)(guang)(guang)(guang)(guang)線在光(guang)(guang)(guang)(guang)(guang)學表而(er)L的(de)入(ru)射(she)點(dian)(dian)高度(du)(du)(du)．并(bing)對光(guang)(guang)(guang)(guang)(guang)學結構進行特(te)殊設計(ji)。為防止光(guang)(guang)(guang)(guang)(guang)線在作鏡內壁(bi)的(de)全(quan)反(fan)射(she)．需(xu)要(yao)15il止雜散(san)(san)光(guang)(guang)(guang)(guang)(guang)宋進入(ru)中(zhong)(zhong)(zhong)綿(mian)系(xi)(xi)(xi)統(tong)，即婓(fei)保訓物(wu)(wu)鏡組為像(xiang)方遠(yuan)(yuan)心光(guang)(guang)(guang)(guang)(guang)路．中(zhong)(zhong)(zhong)繼系(xi)(xi)(xi)統(tong)為雙遠(yuan)(yuan)心光(guang)(guang)(guang)(guang)(guang)路。因(yin)為遠(yuan)(yuan)心光(guang)(guang)(guang)(guang)(guang)路可以保訓光(guang)(guang)(guang)(guang)(guang)束(shu)嚇常傳(chuan)(chuan)播到(dao)像(xiang)面，主光(guang)(guang)(guang)(guang)(guang)線平行光(guang)(guang)(guang)(guang)(guang)軸(zhou)傳(chuan)(chuan)播可以避免(mian)光(guang)(guang)(guang)(guang)(guang)能(neng)損失．降(jiang)低漸(jian)暈。物(wu)(wu)鏡及中(zhong)(zhong)(zhong)維(wei)系(xi)(xi)(xi)統(tong)的(de)遠(yuan)(yuan)心度(du)(du)(du)和光(guang)(guang)(guang)(guang)(guang)束(shu)發(fa)散(san)(san)ffl度(du)(du)(du)仇接影響到(dao)系(xi)(xi)(xi)統(tong)的(de)光(guang)(guang)(guang)(guang)(guang)能(neng)利用率及像(xiang)質。如圖13所示，港口(kou)WA50012A電子腹(fu)腔(qiang)(qiang)鏡維(wei)修(xiu)廠(chang)(chang)家，斗(dou)1物(wu)(wu)鏡組遠(yuan)(yuan)心度(du)(du)(du)不足、光(guang)(guang)(guang)(guang)(guang)末發(fa)散(san)(san)f(J較大時(shi)，軸(zhou)外光(guang)(guang)(guang)(guang)(guang)線尤法(fa)進入(ru)中(zhong)(zhong)(zhong)緡(min)透(tou)鏡，如圖中(zhong)(zhong)(zhong)紫色點(dian)(dian)劃線所示；或入(ru)射(she)到(dao)梓鏡內監發(fa)生全(quan)反(fan)射(she)．因(yin)此為了(le)悄雜光(guang)(guang)(guang)(guang)(guang)，OlympusWA50012A電子腹(fu)腔(qiang)(qiang)鏡維(wei)修(xiu)廠(chang)(chang)家，需(xu)婓(fei)嚴格擰(ning)(ning)制物(wu)(wu)鏡組光(guang)(guang)(guang)(guang)(guang)路的(de)遠(yuan)(yuan)心度(du)(du)(du)．并(bing)控(kong)制各視(shi)場邊緣光(guang)(guang)(guang)(guang)(guang)線的(de)發(fa)散(san)(san)。WA50012A電子腹(fu)腔(qiang)(qiang)鏡維(wei)修(xiu)廠(chang)(chang)家

廣州云啟--WA50012A電子(zi)腹腔鏡維(wei)修(xiu)廠家(jia)

內窺(kui)鏡(jing)拆開后，采(cai)用逐一查看(kan)(kan)法，首(shou)先目鏡(jing)沒有(you)(you)(you)損壞，接著對前面的棒(bang)鏡(jing)進(jin)行分析，特別注(zhu)意的是取(qu)出(chu)棒(bang)鏡(jing)是維修(xiu)(xiu)的關鍵，每(mei)條棒(bang)鏡(jing)的取(qu)出(chu)必須標(biao)明方(fang)向(xiang)及編號，每(mei)條鏡(jing)子都有(you)(you)(you)其安裝(zhuang)誤(wu)差，否(fou)則打亂后會影響其光學成像(xiang)。在取(qu)出(chu)第5根棒(bang)鏡(jing)時發現棒(bang)鏡(jing)已經(jing)嚴(yan)重(zhong)斷(duan)裂(lie)，因其在管內棒(bang)鏡(jing)雖然斷(duan)裂(lie)但是還(huan)未完全(quan)分開所以可以看(kan)(kan)到(dao)較為(wei)模糊的圖像(xiang)。故(gu)障原(yuan)因找到(dao)，棒(bang)鏡(jing)的破損影響了光學成像(xiang)，需要更換棒(bang)鏡(jing)。云啟維修(xiu)(xiu)工程師具(ju)有(you)(you)(you)超過十年的醫療工控維修(xiu)(xiu)經(jing)驗，維修(xiu)(xiu)能(neng)力均能(neng)達到(dao)”芯片級“。具(ju)有(you)(you)(you)排(pai)除速(su)度快(kuai)，奧林巴(ba)斯(si)WA50012A電(dian)子腹腔鏡(jing)維修(xiu)(xiu)廠家，維修(xiu)(xiu)成功率高(gao)的優勢。WA50012A電(dian)子腹腔鏡(jing)維修(xiu)(xiu)廠家

廣州(zhou)云啟--WA50012A電子腹腔鏡維(wei)修廠家

腹(fu)腔(qiang)(qiang)(qiang)鏡(jing)：屬于硬性內(nei)窺鏡(jing)的(de)(de)一種(zhong)，可根據檢(jian)查(cha)部位(wei)的(de)(de)要(yao)求(qiu)提供不同視野(ye)(ye)角(jiao)度(du)，手(shou)術常用(yong)的(de)(de)鏡(jing)子為0°鏡(jing)和30°硬鏡(jing)，將手(shou)術視野(ye)(ye)內(nei)病(bing)灶圖像(xiang)(xiang)以光信號的(de)(de)形式傳輸(shu)給攝像(xiang)(xiang)頭。腹(fu)腔(qiang)(qiang)(qiang)鏡(jing)成(cheng)像(xiang)(xiang)系(xi)(xi)統(tong)(tong)由6個(ge)部件串聯組成(cheng)，任意2個(ge)或3個(ge)部件的(de)(de)故(gu)障(zhang)可能會(hui)導(dao)(dao)(dao)致相同的(de)(de)故(gu)障(zhang)現象(xiang)，例如(ru)：冷光源或導(dao)(dao)(dao)光束的(de)(de)故(gu)障(zhang)均會(hui)導(dao)(dao)(dao)致監視器(qi)圖像(xiang)(xiang)亮(liang)度(du)較暗，這(zhe)就增大了(le)故(gu)障(zhang)分(fen)(fen)析(xi)處理(li)的(de)(de)復(fu)雜性。若腹(fu)腔(qiang)(qiang)(qiang)鏡(jing)成(cheng)像(xiang)(xiang)系(xi)(xi)統(tong)(tong)在(zai)術中發生故(gu)障(zhang)，會(hui)導(dao)(dao)(dao)致病(bing)灶處影像(xiang)(xiang)質量(liang)受損(sun)、手(shou)術風險增加，甚(shen)至會(hui)出(chu)現醫療事故(gu)。因此，術者需(xu)要(yao)了(le)解腹(fu)腔(qiang)(qiang)(qiang)鏡(jing)成(cheng)像(xiang)(xiang)系(xi)(xi)統(tong)(tong)的(de)(de)常見故(gu)障(zhang)，并能夠通過分(fen)(fen)析(xi)故(gu)障(zhang)原因找出(chu)解決方(fang)案，從(cong)而在(zai)短時間內(nei)進行(xing)緊急故(gu)障(zhang)排除或設備替換。腹(fu)腔(qiang)(qiang)(qiang)鏡(jing)成(cheng)像(xiang)(xiang)系(xi)(xi)統(tong)(tong)常見的(de)(de)故(gu)障(zhang)、故(gu)障(zhang)成(cheng)因和處理(li)措(cuo)施。WA50012A電(dian)子腹(fu)腔(qiang)(qiang)(qiang)鏡(jing)維修廠家

廣州云啟--WA50012A電子腹(fu)腔鏡維(wei)修廠家

即(ji)使現(xian)今常(chang)用(yong)的手(shou)術器(qi)械(xie)都能耐高溫、耐高壓(ya)，在高壓(ya)消(xiao)毒(du)時仍應采(cai)用(yong)卡(ka)式爐消(xiao)毒(du)，以縮短(duan)消(xiao)毒(du)時間(jian)，減少高壓(ya)滅(mie)菌(jun)帶(dai)來的損耗(hao)。消(xiao)毒(du)時器(qi)械(xie)要(yao)平放在消(xiao)毒(du)盒中，并固定好，以免(mian)受(shou)壓(ya)變形;鉗(qian)、剪等(deng)銳(rui)器(qi)要(yao)套上乳膠管(guan)保(bao)護;光(guang)學視管(guan)高壓(ya)時，干燥時間(jian)要(yao)足夠，避免(mian)內(nei)窺(kui)鏡(jing)(jing)內(nei)部出現(xian)水汽，影響視野清晰度，消(xiao)毒(du)完畢(bi)，讓其自然冷卻，忌(ji)用(yong)滅(mie)菌(jun)蒸(zheng)餾水或鹽水散熱，以免(mian)玻(bo)璃與金屬的膨脹系數不同而出現(xian)分離現(xian)象。氣體(ti)滅(mie)菌(jun)法(fa)，或者(zhe)文獻報道的STERRAD100S氣漿低溫滅(mie)菌(jun)法(fa)等(deng)方法(fa)消(xiao)毒(du)，對窺(kui)鏡(jing)(jing)等(deng)器(qi)材(cai)損耗(hao)，但均受(shou)條件(jian)限制，難(nan)以普及推廣。WA50012A電子腹腔(qiang)鏡(jing)(jing)維修廠家

廣州云啟--WA50012A電子腹腔鏡維修廠家

物鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)通常是(shi)(shi)由2~3片(pian)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)片(pian)膠合而成(cheng)。物鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)的(de)(de)(de)(de)主要(yao)(yao)作用(yong)是(shi)(shi)把物體成(cheng)像(xiang)到鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)頭(tou)前。如果視向角不(bu)是(shi)(shi)0°(直視式)的(de)(de)(de)(de)話，如、側(ce)視式內(nei)(nei)窺(kui)(kui)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)，需(xu)要(yao)(yao)在物鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)組(zu)內(nei)(nei)放置(zhi)轉像(xiang)的(de)(de)(de)(de)棱鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)。在物鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)前有(you)(you)棱鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)，用(yong)于各種不(bu)同用(yong)途的(de)(de)(de)(de)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)子。如喉鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)用(yong)的(de)(de)(de)(de)是(shi)(shi)90°較常見有(you)(you)0°、30°、70°。有(you)(you)12°、25°。還有(you)(you)110°后視鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)。另(ling)外有(you)(you)些內(nei)(nei)窺(kui)(kui)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)在物鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)的(de)(de)(de)(de)前端(duan)放置(zhi)藍(lan)寶(bao)石保(bao)護玻(bo)璃片(pian)，目(mu)的(de)(de)(de)(de)是(shi)(shi)為了防(fang)止前端(duan)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)片(pian)劃傷(shang)、撞擊或灼傷(shang)。藍(lan)寶(bao)石堅硬(ying)，具有(you)(you)保(bao)護物鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)作用(yong)，且能在4s內(nei)(nei)去霧，比一(yi)(yi)般玻(bo)璃時間短(duan)。在內(nei)(nei)窺(kui)(kui)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)末端(duan)的(de)(de)(de)(de)黑色眼罩上(shang)還有(you)(you)一(yi)(yi)個(ge)保(bao)護玻(bo)璃片(pian)。棒鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)是(shi)(shi)由多組(zu)不(bu)同尺寸的(de)(de)(de)(de)轉像(xiang)透(tou)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)及介環組(zu)成(cheng)。WA50012A電子腹腔(qiang)鏡(jing)(jing)(jing)(jing)(jing)(jing)(jing)維修廠(chang)家

廣州云啟--WA50012A電子腹(fu)腔鏡維修(xiu)廠(chang)家

影像(xiang)處(chu)理(li)(li)(li)(li)中(zhong)(zhong)心(xin)將CCD發出的(de)(de)信號(hao)進行(xing)處(chu)理(li)(li)(li)(li)輸出在監視器上(shang)，成(cheng)像(xiang)原(yuan)理(li)(li)(li)(li)不(bu)(bu)同(tong)的(de)(de)內(nei)(nei)窺鏡其影像(xiang)處(chu)理(li)(li)(li)(li)中(zhong)(zhong)心(xin)也(ye)不(bu)(bu)同(tong)，不(bu)(bu)能(neng)互換連接和(he)使(shi)用(yong)，在使(shi)用(yong)電(dian)(dian)子內(nei)(nei)窺鏡時需要(yao)注意內(nei)(nei)窺鏡和(he)影像(xiang)處(chu)理(li)(li)(li)(li)中(zhong)(zhong)心(xin)的(de)(de)匹(pi)配(pei)性，否則(ze)容(rong)易造成(cheng)不(bu)(bu)必要(yao)的(de)(de)誤操作。可通(tong)(tong)過鍵(jian)盤(pan)輸入資(zi)料(liao)、設定遙控(kong)開關(guan)等功(gong)能(neng)，通(tong)(tong)過和(he)光源裝置的(de)(de)配(pei)合，進行(xing)明暗調(diao)(diao)節、觀察圖像(xiang)強調(diao)(diao)以及色彩變換等。冷光源發出的(de)(de)光通(tong)(tong)過導(dao)光束，經內(nei)(nei)窺鏡傳(chuan)遞(di)到人體內(nei)(nei)腔(qiang)組(zu)織需檢查部(bu)分，OlympusWA50012A電(dian)(dian)子腹腔(qiang)鏡維修廠家，物鏡將待檢查部(bu)分成(cheng)像(xiang)在面陣CCD上(shang)，由CCD驅動電(dian)(dian)路(lu)控(kong)制CCD采(cai)集圖像(xiang)，將光信號(hao)轉換成(cheng)電(dian)(dian)信號(hao)，輸出標準視頻信號(hao)，由電(dian)(dian)纜傳(chuan)輸至視頻處(chu)理(li)(li)(li)(li)器，經處(chu)理(li)(li)(li)(li)還原(yuan)后顯示在監視器上(shang)。WA50012A電(dian)(dian)子腹腔(qiang)鏡維修廠家