我們認為(wei)(wei)(wei)(wei)送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)大(da)小(xiao)(xiao)與手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)風(feng)(feng)險及保護級別有(you)關。《醫院潔凈手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)部建筑技術(shu)(shu)(shu)(shu)(shu)規范》根據手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)室的(de)(de)(de)(de)(de)(de)級別提出了不(bu)同大(da)小(xiao)(xiao)的(de)(de)(de)(de)(de)(de)送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)送(song)風(feng)(feng)面(mian)積，因為(wei)(wei)(wei)(wei)手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)室的(de)(de)(de)(de)(de)(de)級別本身(shen)就體(ti)現(xian)(xian)了手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)風(feng)(feng)險與保護級別。經過近十年來的(de)(de)(de)(de)(de)(de)實施，醫護界認為(wei)(wei)(wei)(wei)是(shi)合(he)適的(de)(de)(de)(de)(de)(de)，其次(ci)是(shi)送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)性能。送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)性能主要(yao)(yao)(yao)表現(xian)(xian)為(wei)(wei)(wei)(wei)氣(qi)流的(de)(de)(de)(de)(de)(de)極強抗干擾性，必須形成一股低紊流度的(de)(de)(de)(de)(de)(de)垂(chui)直置換氣(qi)流。為(wei)(wei)(wei)(wei)此要(yao)(yao)(yao)出“動態(tai)屏蔽”的(de)(de)(de)(de)(de)(de)概念，意在達到手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)區(qu)(qu)(qu)域動態(tai)保護，不(bu)僅要(yao)(yao)(yao)求快(kuai)速而有(you)效地將源自手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)區(qu)(qu)(qu)域的(de)(de)(de)(de)(de)(de)污染從保護區(qu)(qu)(qu)域排除出去，而且要(yao)(yao)(yao)對(dui)周圍區(qu)(qu)(qu)域形成一個有(you)效屏障進行屏蔽。這要(yao)(yao)(yao)求送(song)風(feng)(feng)氣(qi)流在手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)區(qu)(qu)(qu)域仍(reng)保持較強的(de)(de)(de)(de)(de)(de)抑(yi)制污染的(de)(de)(de)(de)(de)(de)能力，為(wei)(wei)(wei)(wei)此德國(guo)不(bu)得不(bu)建議在送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)增設圍擋，并且該(gai)圍擋可以延長至距地面(mian)2.1m處，以減緩送(song)風(feng)(feng)氣(qi)流衰減。手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)室送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)_送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)價格|手(shou)(shou)(shou)術(shu)(shu)(shu)(shu)(shu)室送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)_送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)型號規格。崇(chong)明區(qu)(qu)(qu)百級送(song)風(feng)(feng)天(tian)(tian)(tian)(tian)(tian)花(hua)(hua)(hua)

手(shou)術(shu)(shu)本身的(de)風(feng)(feng)險(xian)(xian)(xian)，可通(tong)過(guo)手(shou)術(shu)(shu)部(bu)位清潔消毒(du)、術(shu)(shu)前正確使用(yong)有效的(de)預防(fang)性、嚴格防(fang)范手(shou)術(shu)(shu)過(guo)程中內(nei)源性污(wu)染、接觸手(shou)術(shu)(shu)部(bu)位的(de)器物徹底消毒(du)滅菌等(deng)對(dui)手(shou)術(shu)(shu)部(bu)位進行(xing)控(kong)制，對(dui)于(yu)(yu)普通(tong)外科手(shou)術(shu)(shu)來(lai)說空氣途徑是次要(yao)的(de)。但對(dui)于(yu)(yu)移植、關節置換等(deng)大手(shou)術(shu)(shu)，加上患者服(fu)用(yong)抗排斥藥物，使得將(jiang)手(shou)術(shu)(shu)環境(jing)處(chu)于(yu)(yu)受控(kong)狀態成為一個(ge)關鍵因素。對(dui)于(yu)(yu)“其(qi)他風(feng)(feng)險(xian)(xian)(xian)因素”，只能采用(yong)工程控(kong)制措施進行(xing)控(kong)制，特別是手(shou)術(shu)(shu)環境(jing)，將(jiang)可控(kong)風(feng)(feng)險(xian)(xian)(xian)因素處(chu)于(yu)(yu)受控(kong)狀態，可以有效降(jiang)低手(shou)術(shu)(shu)風(feng)(feng)險(xian)(xian)(xian)。寧波潔凈(jing)送(song)風(feng)(feng)天花醫(yi)院(yuan)手(shou)術(shu)(shu)室阻漏式(shi)層流送(song)風(feng)(feng)天花介(jie)紹。

而不像無菌(jun)病房(fang)(fang)必須24小時(shi)對(dui)整(zheng)個病房(fang)(fang)持續地控制，絲毫不能馬虎。無菌(jun)病房(fang)(fang)對(dui)于免疫缺省的(de)(de)病患(huan)猶如一個生(sheng)命(ming)島。另外，手(shou)術(shu)區域無菌(jun)無塵(chen)程度(du)影響直(zhi)接進入(ru)機(ji)體內部(bu)的(de)(de)空氣質量。研究表明，不僅(jin)是(shi)懸浮菌(jun)濃(nong)度(du)，塵(chen)埃濃(nong)度(du)也(ye)影響術(shu)后(hou)率(lv)。主(zhu)刀醫生(sheng)操作手(shou)與手(shou)術(shu)器械上的(de)(de)落(luo)菌(jun)幾(ji)率(lv)，也(ye)會加大的(de)(de)風險。特(te)別對(dui)于那(nei)(nei)些移(yi)植、關節(jie)置換、整(zheng)形手(shou)術(shu)等深部(bu)手(shou)術(shu)尤為重要。因(yin)為這類手(shou)術(shu)風險太高，術(shu)后(hou)會危及生(sheng)命(ming)。而不像無菌(jun)病房(fang)(fang)那(nei)(nei)樣特(te)別重視(shi)空氣中(zhong)懸浮病菌(jun)，對(dui)于免疫能力低下的(de)(de)病患(huan)，即使新(xin)鮮(xian)空氣中(zhong)的(de)(de)也(ye)會造(zao)成不堪設想的(de)(de)后(hou)果。為此我國“規(gui)范”定為特(te)別的(de)(de)潔凈手(shou)術(shu)室(shi)（I級），不同于Ⅱ級標(biao)準的(de)(de)潔凈手(shou)術(shu)室(shi)。

層流送(song)(song)風(feng)天(tian)花(hua)(hua)(hua)有(you)什么特別(bie)要求(qiu)呢?層流天(tian)花(hua)(hua)(hua)是潔(jie)(jie)凈(jing)(jing)手術(shu)室(shi)(shi)、層流病房(fang)的(de)凈(jing)(jing)化(hua)送(song)(song)風(feng)末端，它(ta)兼有(you)高效過(guo)濾，均流及氣流補償(chang)作用(yong)(yong)。層流天(tian)花(hua)(hua)(hua)結構(gou)(gou)的(de)合理性直(zhi)接影響到(dao)手術(shu)室(shi)(shi)的(de)送(song)(song)風(feng)效果，凈(jing)(jing)化(hua)級別(bie).垂直(zhi)送(song)(song)風(feng)模(mo)式;像Rfilter層流送(song)(song)風(feng)天(tian)花(hua)(hua)(hua)就是參照(zhao)國際國內(nei)規范和(he)技術(shu)進(jin)行開發，經(jing)十多年實際醫院(yuan)使(shi)用(yong)(yong)經(jing)驗(yan)積累(lei)，結構(gou)(gou)先進(jin)合理，分為I、II、III級手術(shu)室(shi)(shi)用(yong)(yong)，箱體冷板噴塑(su)，下框全不銹(xiu)鋼，美觀(guan)耐(nai)用(yong)(yong)。潔(jie)(jie)凈(jing)(jing)送(song)(song)風(feng)天(tian)花(hua)(hua)(hua)裝置是根據國內(nei)外(wai)**的(de)阻(zu)漏層技術(shu)，使(shi)用(yong)(yong)本設備可合理分布潔(jie)(jie)凈(jing)(jing)室(shi)(shi)內(nei)的(de)氣流，有(you)效保證室(shi)(shi)內(nei)的(de)潔(jie)(jie)凈(jing)(jing)度（送(song)(song)風(feng)面100級）。手術(shu)室(shi)(shi)送(song)(song)風(feng)天(tian)花(hua)(hua)(hua)種(zhong)類。

從(cong)理論上分析(xi)，送(song)風(feng)(feng)(feng)氣(qi)(qi)流(liu)同(tong)時(shi)依靠出(chu)(chu)風(feng)(feng)(feng)動量(liang)(liang)和送(song)風(feng)(feng)(feng)溫差(cha)(cha)(cha)(cha)來維持其運動，后者(zhe)相當(dang)于熱(re)（冷）動力，當(dang)送(song)風(feng)(feng)(feng)溫度低于室(shi)(shi)溫時(shi)氣(qi)(qi)流(liu)作(zuo)(zuo)下(xia)沉運動。從(cong)工程(cheng)意義上講，熱(re)（冷）動力對(dui)(dui)氣(qi)(qi)流(liu)運動所起(qi)的(de)(de)作(zuo)(zuo)用(yong)一般不(bu)(bu)予考慮。但對(dui)(dui)于低速(su)送(song)風(feng)(feng)(feng)天花(hua)裝置(zhi)(zhi)來說，因其出(chu)(chu)風(feng)(feng)(feng)動量(liang)(liang)不(bu)(bu)大(da)(da)，溫差(cha)(cha)(cha)(cha)對(dui)(dui)氣(qi)(qi)流(liu)的(de)(de)作(zuo)(zuo)用(yong)不(bu)(bu)容忽略。隨著送(song)風(feng)(feng)(feng)量(liang)(liang)的(de)(de)增大(da)(da)，出(chu)(chu)口風(feng)(feng)(feng)速(su)變大(da)(da)，溫差(cha)(cha)(cha)(cha)減小(xiao)(xiao)，即送(song)風(feng)(feng)(feng)氣(qi)(qi)流(liu)的(de)(de)空(kong)氣(qi)(qi)動力增強，而熱(re)（冷）動力減弱，那么由(you)溫差(cha)(cha)(cha)(cha)引射(she)(she)的(de)(de)周邊空(kong)氣(qi)(qi)越少，且中(zhong)心(xin)區抗干擾的(de)(de)能力增強，控制效(xiao)(xiao)果(guo)更(geng)好。送(song)風(feng)(feng)(feng)溫差(cha)(cha)(cha)(cha)太大(da)(da)，中(zhong)心(xin)無菌(jun)(jun)區域會縮小(xiao)(xiao)；送(song)風(feng)(feng)(feng)溫差(cha)(cha)(cha)(cha)太小(xiao)(xiao)，送(song)風(feng)(feng)(feng)氣(qi)(qi)流(liu)送(song)不(bu)(bu)下(xia)來。艾斯東教授研(yan)究(jiu)認為送(song)風(feng)(feng)(feng)溫度低于室(shi)(shi)溫不(bu)(bu)小(xiao)(xiao)于0.5℃、不(bu)(bu)大(da)(da)于2℃~3℃的(de)(de)范圍效(xiao)(xiao)果(guo)更(geng)好。當(dang)風(feng)(feng)(feng)量(liang)(liang)超(chao)過(guo)某(mou)一范圍后，接近(jin)于等溫送(song)風(feng)(feng)(feng)時(shi)，熱(re)（冷）動力的(de)(de)作(zuo)(zuo)用(yong)已經很(hen)小(xiao)(xiao)，此時(shi)送(song)風(feng)(feng)(feng)的(de)(de)動量(liang)(liang)對(dui)(dui)控制效(xiao)(xiao)果(guo)起(qi)決(jue)定性作(zuo)(zuo)用(yong)，如果(guo)局部裝置(zhi)(zhi)的(de)(de)風(feng)(feng)(feng)速(su)過(guo)大(da)(da)，易加劇(ju)射(she)(she)流(liu)誘導，把室(shi)(shi)內懸(xuan)浮菌(jun)(jun)引導到送(song)風(feng)(feng)(feng)天花(hua)上風(feng)(feng)(feng)側(ce)，再被(bei)局部高速(su)氣(qi)(qi)流(liu)帶至下(xia)風(feng)(feng)(feng)側(ce)，導致(zhi)污染程(cheng)度的(de)(de)加大(da)(da)。手術室(shi)(shi)送(song)風(feng)(feng)(feng)天花(hua)源廠家。寧波(bo)潔凈送(song)風(feng)(feng)(feng)天花(hua)

手術室送風天花作(zuo)用(yong)。崇明區百級(ji)送風天花

手(shou)(shou)術(shu)(shu)(shu)本身的風(feng)(feng)險，可通過手(shou)(shou)術(shu)(shu)(shu)部位(wei)(wei)清潔消(xiao)毒、術(shu)(shu)(shu)前正確使用(yong)有(you)效的預防性、嚴格防范手(shou)(shou)術(shu)(shu)(shu)過程中(zhong)內源性污(wu)染、接觸(chu)手(shou)(shou)術(shu)(shu)(shu)部位(wei)(wei)的器物徹底消(xiao)毒滅菌等對手(shou)(shou)術(shu)(shu)(shu)部位(wei)(wei)進行控(kong)制，對于(yu)普通外(wai)(wai)科手(shou)(shou)術(shu)(shu)(shu)來(lai)說空(kong)氣途徑是(shi)次(ci)要的。但對于(yu)移植、關(guan)(guan)節置(zhi)換等大手(shou)(shou)術(shu)(shu)(shu)，加上患者服用(yong)抗排斥藥物，使得將(jiang)手(shou)(shou)術(shu)(shu)(shu)環(huan)境(jing)處于(yu)受控(kong)狀態(tai)成為(wei)一個關(guan)(guan)鍵因素。對于(yu)“其他風(feng)(feng)險因素”，只能采用(yong)工程控(kong)制措(cuo)施進行控(kong)制，特(te)別(bie)是(shi)手(shou)(shou)術(shu)(shu)(shu)環(huan)境(jing)，將(jiang)可控(kong)風(feng)(feng)險因素處于(yu)受控(kong)狀態(tai)，可以有(you)效降低手(shou)(shou)術(shu)(shu)(shu)風(feng)(feng)險。手(shou)(shou)術(shu)(shu)(shu)室送風(feng)(feng)天花裝置(zhi)的重(zhong)要性;不論是(shi)我(wo)國(guo)2002年頒布的GB50333《醫院潔凈手(shou)(shou)術(shu)(shu)(shu)部建(jian)筑技(ji)術(shu)(shu)(shu)規范》（以下簡稱“規范”）還(huan)是(shi)國(guo)外(wai)(wai)的醫院相關(guan)(guan)標準(zhun)均對手(shou)(shou)術(shu)(shu)(shu)環(huan)境(jing)控(kong)制格外(wai)(wai)重(zhong)視，盡(jin)可能降低在手(shou)(shou)術(shu)(shu)(shu)過程中(zhong)對病(bing)患的傷害。崇明區百級送風(feng)(feng)天花

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