實驗動物如何捉拿和固定

<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">在動物實驗中，經(jīng)常要跟活體動物打交道，要保證實驗順利進行，一定要做好固定動物的工作，避免損傷實驗動物也要避免自己受傷，本文介紹了動物實驗中小鼠和大鼠捉拿固定方法。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="color: rgb(255, 102, 0);"><strong><span style="font-family: 宋體; font-size: 9pt;">★ 大鼠的抓取固定方法</span></strong></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">大鼠的抓取基本同小鼠，只不過大鼠比小鼠牙尖性猛，不易用襲擊方式抓取，否則會被咬傷手指，抓取時為避免咬傷，可帶上帆布手套。如果進行腹腔、肌肉皮下等注射和灌胃時，同樣可采用左手固定法，只是用拇指和食指捏住鼠耳，余下三指緊捏鼠背皮膚，置于左掌心中，這樣右手即可進行各種實驗操作。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><font face="宋體">也可伸開左手之虎口，敏捷地從后，一把抓住。若做手術或解剖等，則需事先麻醉或處死，然后用細棉線繩活縛腿，背臥位綁在大鼠固定板上</font>;<font face="宋體">尾靜脈注射時的固定同小鼠</font><font face="Calibri">(</font><font face="宋體">只需將固定架改為大鼠固定盒即可</font><font face="Calibri">)</font><font face="宋體">。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="color: rgb(255, 102, 0);"><strong><span style="font-family: 宋體; font-size: 9pt;">★ 小鼠抓取固定方法</span></strong></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">小鼠溫順，一般不會咬人，抓取時先用右手抓取鼠尾提起，置于鼠籠或實驗臺向后拉，在其向前爬行時，用左手拇指和食指抓住小鼠的兩耳和頸部皮膚，將鼠體置于左手心中，把后肢拉直，以無名指按住鼠尾，小指按住后腿即可。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><font face="宋體">人經(jīng)驗者直接用左手小指鉤起鼠尾，迅速以拇指和食指、中指捏住其耳后頸背部皮膚亦可。這種在手中固定方式，能進行實驗動物的灌胃、皮下、肌肉和腹腔注射以及其他實驗操作。如進行解剖、手術、心臟采血和尾靜脈注射時，則需將小鼠作一定形式的固定，解剖手術和心臟采血等均可使動物先取背臥位</font>(<font face="宋體">必要時先行麻醉</font><font face="Calibri">)</font><font face="宋體">，再用大頭針將鼠前后肢依次固定在臘板上。</font></span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p> <p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;">尾靜脈注射時，可用小鼠尾靜脈注射架固定，先根據(jù)動物大小選擇好合適的固定架，并打開鼠筒蓋，手提鼠尾巴，讓動物頭對準鼠筒口并送入筒內(nèi)，調節(jié)鼠筒長短合適后，露出尾巴，固定筒蓋即可進行尾靜脈注射或尾靜脈采血等操作。</span><span style="mso-spacerun:'yes';font-family:宋體;mso-ascii-font-family:Calibri;mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;"><o:p></o:p></span></p>