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醫用(yong)鐵床(chuang)(chuang)由(you)剛性床(chuang)(chuang)架(jia)和床(chuang)(chuang)面(mian)板(ban)(ban)(ban)組成，鐵床(chuang)(chuang)面(mian)板(ban)(ban)(ban)又由(you)靠(kao)背(bei)板(ban)(ban)(ban)、坐(zuo)板(ban)(ban)(ban)和腳(jiao)彎(wan)板(ban)(ban)(ban)三(san)部(bu)分(fen)組成，其特(te)征(zheng)在于靠(kao)背(bei)板(ban)(ban)(ban)、坐(zuo)板(ban)(ban)(ban)和腳(jiao)彎(wan)板(ban)(ban)(ban)活動聯接(jie)，靠(kao)背(bei)板(ban)(ban)(ban)與坐(zuo)板(ban)(ban)(ban)的(de)(de)聯接(jie)鉸(jiao)鏈固定(ding)在床(chuang)(chuang)架(jia)上；靠(kao)背(bei)板(ban)(ban)(ban)下(xia)安(an)(an)裝有(you)剛性支(zhi)(zhi)架(jia)，支(zhi)(zhi)架(jia)交接(jie)處連接(jie)支(zhi)(zhi)架(jia)升(sheng)降機構(gou)，座(zuo)板(ban)(ban)(ban)下(xia)安(an)(an)裝有(you)直(zhi)桿支(zhi)(zhi)架(jia)，直(zhi)桿支(zhi)(zhi)架(jia)一端(duan)連接(jie)直(zhi)桿升(sheng)降機構(gou)。這樣通過升(sheng)降機構(gou)的(de)(de)機械(xie)運動，即(ji)可帶動靠(kao)背(bei)板(ban)(ban)(ban)、座(zuo)板(ban)(ban)(ban)、腳(jiao)彎(wan)板(ban)(ban)(ban)的(de)(de)上升(sheng)與下(xia)降，可方便地將護(hu)理床(chuang)(chuang)調節到使人(ren)(ren)斜靠(kao)、屈膝(xi)的(de)(de)狀態，使病人(ren)(ren)更(geng)加舒適，減(jian)輕了護(hu)理人(ren)(ren)員(yuan)的(de)(de)勞(lao)動強度，同時(shi)如果升(sheng)降機構(gou)的(de)(de)升(sheng)降開關部(bu)分(fen)采用(yong)遙(yao)控方式，即(ji)可達到病人(ren)(ren)的(de)(de)自(zi)我護(hu)理。