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射線防護的重要性

作者: 瀏覽量:1211 來源(yuan): 時(shi)間(jian):2019-12-20 09:00:00

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X射(she)(she)(she)(she)(she)線(xian)對(dui)人(ren)(ren)(ren)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)損(sun)(sun)害(hai)主要(yao)(yao)(yao)表(biao)現(xian)在(zai)(zai)以(yi)下(xia)幾個方(fang)面(mian):神(shen)經系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)化:腦脊髓(sui)細(xi)(xi)(xi)胞受(shou)(shou)損(sun)(sun),部(bu)(bu)(bu)分(fen)(fen)(fen)(fen)細(xi)(xi)(xi)胞可(ke)(ke)發(fa)生(sheng)充血(xue)(xue)、出(chu)血(xue)(xue)、水(shui)腫和(he)(he)漸進(jin)性(xing)(xing)(xing)(xing)壞(huai)死(si)(si),特(te)大(da)劑(ji)(ji)(ji)量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)可(ke)(ke)引起腦型放(fang)射(she)(she)(she)(she)(she)病(bing);內(nei)分(fen)(fen)(fen)(fen)泌功(gong)(gong)(gong)能(neng)(neng)(neng)變(bian)(bian)(bian)(bian)化:放(fang)射(she)(she)(she)(she)(she)損(sun)(sun)傷初期(qi)(qi),垂體(ti)(ti)、腎上腺(xian)(xian)(xian)皮(pi)質、甲(jia)狀(zhuang)腺(xian)(xian)(xian)分(fen)(fen)(fen)(fen)泌功(gong)(gong)(gong)能(neng)(neng)(neng)增(zeng)強。放(fang)射(she)(she)(she)(she)(she)損(sun)(sun)傷后期(qi)(qi),可(ke)(ke)見垂體(ti)(ti)前葉細(xi)(xi)(xi)胞的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)退行(xing)(xing)(xing)性(xing)(xing)(xing)(xing)變(bian)(bian)(bian)(bian),分(fen)(fen)(fen)(fen)泌功(gong)(gong)(gong)能(neng)(neng)(neng)減(jian)(jian)退。性(xing)(xing)(xing)(xing)腺(xian)(xian)(xian)表(biao)現(xian)為各級精細(xi)(xi)(xi)胞分(fen)(fen)(fen)(fen)裂減(jian)(jian)少(shao)(shao)或(huo)(huo)停止,卵(luan)泡發(fa)生(sheng)變(bian)(bian)(bian)(bian)性(xing)(xing)(xing)(xing),崩解和(he)(he)數量(liang)(liang)減(jian)(jian)少(shao)(shao);造(zao)血(xue)(xue)系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)化:中(zhong)性(xing)(xing)(xing)(xing)粒細(xi)(xi)(xi)胞值和(he)(he)淋巴細(xi)(xi)(xi)胞值下(xia)降,紅(hong)細(xi)(xi)(xi)胞數和(he)(he)血(xue)(xue)小板(ban)數減(jian)(jian)少(shao)(shao),血(xue)(xue)紅(hong)蛋(dan)(dan)白降低(di),甚至(zhi)出(chu)現(xian)再生(sheng)障(zhang)礙(ai)性(xing)(xing)(xing)(xing)貧(pin)血(xue)(xue)、白血(xue)(xue)病(bing)等;免(mian)(mian)疫(yi)系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)化:射(she)(she)(she)(she)(she)線(xian)可(ke)(ke)抑制(zhi)非特(te)異(yi)性(xing)(xing)(xing)(xing)免(mian)(mian)疫(yi)和(he)(he)特(te)異(yi)性(xing)(xing)(xing)(xing)免(mian)(mian)疫(yi)防(fang)(fang)(fang)(fang)(fang)御功(gong)(gong)(gong)能(neng)(neng)(neng),前者(zhe)表(biao)現(xian)為皮(pi)膚黏膜屏障(zhang)破壞(huai),炎癥反(fan)應(ying)和(he)(he)吞噬功(gong)(gong)(gong)能(neng)(neng)(neng)障(zhang)礙(ai)。后者(zhe)表(biao)現(xian)為免(mian)(mian)疫(yi)球蛋(dan)(dan)白減(jian)(jian)少(shao)(shao)和(he)(he)細(xi)(xi)(xi)胞免(mian)(mian)疫(yi)功(gong)(gong)(gong)能(neng)(neng)(neng)下(xia)降,誘(you)發(fa)淋巴細(xi)(xi)(xi)胞突變(bian)(bian)(bian)(bian);消(xiao)(xiao)化系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)化:急性(xing)(xing)(xing)(xing)放(fang)射(she)(she)(she)(she)(she)病(bing)時(shi),消(xiao)(xiao)化系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)癥狀(zhuang)出(chu)現(xian)最早,臨(lin)床表(biao)現(xian)為惡心、嘔(ou)吐、腹(fu)瀉等。極期(qi)(qi)時(shi)可(ke)(ke)引起水(shui)鹽代謝(xie)紊亂,機(ji)(ji)體(ti)(ti)迅速(su)衰竭,死(si)(si)亡;其(qi)他系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)化:皮(pi)膚干燥、潰瘍、指(zhi)紋(wen)紊亂或(huo)(huo)消(xiao)(xiao)失、甲(jia)縱脊、指(zhi)甲(jia)增(zeng)厚、紅(hong)斑、水(shui)皰、壞(huai)死(si)(si)等。眼晶(jing)狀(zhuang)體(ti)(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)白內(nei)障(zhang),誘(you)發(fa)甲(jia)狀(zhuang)腺(xian)(xian)(xian)癌(ai)、肺癌(ai)、乳腺(xian)(xian)(xian)癌(ai)、食道癌(ai)等。  由于(yu)X線(xian)輻射(she)(she)(she)(she)(she)能(neng)(neng)(neng)引起人(ren)(ren)(ren)體(ti)(ti)多部(bu)(bu)(bu)位(wei)損(sun)(sun)害(hai),這(zhe)就要(yao)(yao)(yao)求(qiu)我們在(zai)(zai)開展(zhan)(zhan)X線(xian)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)同時(shi),必(bi)須(xu)重(zhong)視X線(xian)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)。符合放(fang)射(she)(she)(she)(she)(she)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基本原(yuan)則,把輻射(she)(she)(she)(she)(she)危害(hai)降低(di)到更低(di)限度。  對(dui)于(yu)放(fang)射(she)(she)(she)(she)(she)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)X線(xian)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)應(ying)采取(qu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)措施(shi)有(you)(you)以(yi)下(xia)幾點:縮(suo)短(duan)照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)時(shi)間(jian),即時(shi)間(jian)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)。除非工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)需要(yao)(yao)(yao),應(ying)避(bi)免(mian)(mian)在(zai)(zai)電離輻射(she)(she)(she)(she)(she)場中(zhong)做不(bu)(bu)必(bi)要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)逗留(liu)。要(yao)(yao)(yao)求(qiu)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)操(cao)作(zuo)(zuo)熟練、迅速(su),具備扎(zha)實的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基本功(gong)(gong)(gong);增(zeng)大(da)人(ren)(ren)(ren)體(ti)(ti)與照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)距離,即距離防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)。人(ren)(ren)(ren)體(ti)(ti)受(shou)(shou)到照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)劑(ji)(ji)(ji)量(liang)(liang)率是隨離開源(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)距離增(zeng)大(da)而減(jian)(jian)小的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。增(zeng)大(da)人(ren)(ren)(ren)體(ti)(ti)與照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)源(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)距離,辦法很多,如(ru):使(shi)控(kong)(kong)制(zhi)室、操(cao)作(zuo)(zuo)臺遠離輻射(she)(she)(she)(she)(she)源(yuan)(yuan)(yuan),采用(yong)(yong)長柄器(qi)械進(jin)行(xing)(xing)(xing)遠距離操(cao)作(zuo)(zuo)等;運用(yong)(yong)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)設施(shi)與合理穿(chuan)(chuan)戴個人(ren)(ren)(ren)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)衣具。攝(she)影時(shi),盡(jin)量(liang)(liang)采用(yong)(yong)隔(ge)室攝(she)片,鉛屏風避(bi)開射(she)(she)(she)(she)(she)線(xian)照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)。給嬰(ying)幼兒(er)攝(she)片必(bi)須(xu)在(zai)(zai)機(ji)(ji)器(qi)旁(pang)時(shi),穿(chuan)(chuan)鉛橡(xiang)膠防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)衣,進(jin)行(xing)(xing)(xing)胸透,胃腸檢(jian)(jian)查(cha)時(shi),不(bu)(bu)得裸(luo)手伸進(jin)有(you)(you)用(yong)(yong)線(xian)束內(nei);堅(jian)持個人(ren)(ren)(ren)劑(ji)(ji)(ji)量(liang)(liang)監測,使(shi)受(shou)(shou)照(zhao)(zhao)(zhao)(zhao)劑(ji)(ji)(ji)量(liang)(liang)控(kong)(kong)制(zhi)在(zai)(zai)規(gui)定的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)劑(ji)(ji)(ji)量(liang)(liang)限值以(yi)內(nei)。X線(xian)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)者(zhe)應(ying)佩帶X線(xian)個人(ren)(ren)(ren)劑(ji)(ji)(ji)量(liang)(liang)膠片或(huo)(huo)熱釋光劑(ji)(ji)(ji)量(liang)(liang)計,及時(shi)了(le)解實際受(shou)(shou)照(zhao)(zhao)(zhao)(zhao)劑(ji)(ji)(ji)量(liang)(liang);預防(fang)(fang)(fang)(fang)(fang)潛在(zai)(zai)照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發(fa)生(sheng);對(dui)于(yu)懷孕(yun)(yun)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)女性(xing)(xing)(xing)(xing)X線(xian)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan),應(ying)調(diao)離工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)崗位(wei)或(huo)(huo)從事不(bu)(bu)接(jie)觸X線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)其(qi)他工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo),以(yi)避(bi)免(mian)(mian)對(dui)胎兒(er)造(zao)成不(bu)(bu)必(bi)要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)危害(hai)。  其(qi)次(ci),對(dui)于(yu)受(shou)(shou)檢(jian)(jian)者(zhe)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)也不(bu)(bu)應(ying)忽視。對(dui)于(yu)醫用(yong)(yong)診斷X線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)檢(jian)(jian)查(cha),應(ying)考慮以(yi)往檢(jian)(jian)查(cha)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)有(you)(you)關資料,以(yi)避(bi)免(mian)(mian)不(bu)(bu)必(bi)要(yao)(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)額外檢(jian)(jian)查(cha)。除非在(zai)(zai)臨(lin)床上有(you)(you)充分(fen)(fen)(fen)(fen)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)理由要(yao)(yao)(yao)求(qiu)進(jin)行(xing)(xing)(xing)X線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)診斷檢(jian)(jian)查(cha)外,否則要(yao)(yao)(yao)避(bi)免(mian)(mian)對(dui)已懷孕(yun)(yun)或(huo)(huo)懷孕(yun)(yun)可(ke)(ke)能(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)婦女進(jin)行(xing)(xing)(xing)腹(fu)部(bu)(bu)(bu)或(huo)(huo)骨盆受(shou)(shou)到照(zhao)(zhao)(zhao)(zhao)射(she)(she)(she)(she)(she)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)診斷檢(jian)(jian)查(cha)。必(bi)須(xu)注(zhu)意(yi)對(dui)受(shou)(shou)檢(jian)(jian)者(zhe)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)非投(tou)照(zhao)(zhao)(zhao)(zhao)部(bu)(bu)(bu)位(wei)進(jin)行(xing)(xing)(xing)屏蔽防(fang)(fang)(fang)(fang)(fang)護(hu)(hu),特(te)別注(zhu)意(yi)保護(hu)(hu)性(xing)(xing)(xing)(xing)腺(xian)(xian)(xian)、活性(xing)(xing)(xing)(xing)骨髓(sui)、女性(xing)(xing)(xing)(xing)乳腺(xian)(xian)(xian)、胎兒(er)及兒(er)童骨骺等輻射(she)(she)(she)(she)(she)敏感(gan)部(bu)(bu)(bu)位(wei)。候(hou)診者(zhe)和(he)(he)陪診者(zhe)都應(ying)在(zai)(zai)室外等候(hou),不(bu)(bu)得在(zai)(zai)無屏蔽情(qing)況下(xia)進(jin)入機(ji)(ji)房。  總而言之,在(zai)(zai)X線(xian)檢(jian)(jian)查(cha)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)中(zhong),工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)應(ying)盡(jin)職盡(jin)責,不(bu)(bu)斷提高業務水(shui)平,加強防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)意(yi)識(shi),重(zhong)視防(fang)(fang)(fang)(fang)(fang)護(hu)(hu)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)宣傳和(he)(he)實施(shi),以(yi)更好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)保護(hu)(hu)工(gong)(gong)(gong)(gong)(gong)作(zuo)(zuo)人(ren)(ren)(ren)員(yuan)(yuan)和(he)(he)受(shou)(shou)檢(jian)(jian)者(zhe)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)身體(ti)(ti)健康,使(shi)射(she)(she)(she)(she)(she)線(xian)技術的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)更好(hao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)促進(jin)國(guo)民經濟(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發(fa)展(zhan)(zhan),提高人(ren)(ren)(ren)民的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)活質量(liang)(liang)。

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