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 <p id="350MKR6C">来源：丁香护士（转载已获授权）<br/></p><p id="350MKR6R">一个中心：贴膜以穿刺点为中心进行固定</p><p id="350MKR71"><strong>操作要点：</strong>碘伏消毒皮肤，待干 30～45 秒（切记消毒剂要自然待干），穿刺。</p><p id="350MKR72">穿刺成功后，注意 U 型无张力持贴膜，无张力垂放，对准穿刺点进行固定。贴上贴膜后，按照留置针走形对贴膜进行塑形固定。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2F9d0f287dj00smbz5m000id200fv007jg00fv007j.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Fej00smbz5n0024d200u0008yg00hp0059.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Fa8bc2a3ej00smbz5p000pd200kp005xg00hp0052.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR7E"><strong>要点 1：贴膜封闭隔离塞</strong></p><p id="350MKR7I">建议用无菌贴膜封闭隔离塞，这样可以使留置针穿刺点处于封闭状态，减少穿刺点感染的机会。也可以用记录胶带小标贴将隔离塞加强固定。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Fj00smbz5r000sd200dv008ng00dv008n.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR7N"><strong>要点 2：延长管 U 型固定，Y 型接口向外</strong></p><p id="350MKR80">如下图所示。延长管 U 型固定，Y 型接口向外，避免对留置静脉造成压迫。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Ff8d827c3j00smbz5s000md200gt007jg00gt007j.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR82">U 形固定延长管，是利用物理学 U 形连通器原理，当连通器内只有一种液体时，在液体不流动的情况下，U 管左右两边压强相等，各容器中的液面保持相平。</p><p id="350MKR8B"><strong>要点 3：肝素帽位置须高于导管尖端</strong></p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Fbf069910j00smbz5t0008d2005l008qg005l008q.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR8G">延长管 U 型固定，将肝素帽固定在留置针软管尖端上方，输液结束将封管夹夹在靠近穿刺点位置，各个要点综合，可阻止血液回流，减少留置针回血、堵管等置管并发症，延长留置时间。</p><p id="350MKR8K"><strong>要点 4：固定时使用高举平台法</strong></p><p id="350MKR8T">肝素帽及 Y 型接口采用高举平台法固定，其目的是为了减少输液器材与皮肤之间的摩擦力，避免压力性损伤的发生，同时减少了输液过程中因重力作用导致牵拉引起的贴膜卷边的发生。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Fdb95f02dj00smbz5t000od200dh0076g00dh0076.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR97"><strong>要点 5：封管夹靠近穿刺点</strong></p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Fe58a550ej00smbz5u0023d200u0008xg00hp0059.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR9C">建议输液结束常规正压脉冲式封管后, 应将封管夹夹闭在静脉留置针与延长管交接处。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2F858ff880j00smbz5u000rd200cs008zg00cs008z.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2024%2F1103%2Feej00smbz5v001bd200hu00axg00hp00at.jpg&thumbnail=660x&quality=80&type=jpg"/><br/></p><p id="350MKR9K"><strong>有件事麻烦您：</strong><br/></p><p id="350MKR9L">微信规则有变</p><p id="350MKR9O"><strong>按照以下步骤操作</strong></p><p id="350MKR9P"><strong>将</strong><strong>“护视</strong>”公众号<strong>设为“星标”</strong></p><p class="f_center"><img src="http://dingyue.ws.126.net/2024/1103/d9cccbb7g00smbz5w007vd200dw00u2g008h00ic.gif"/><br/></p>