实验动物如何捉拿和固定

<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:宋体;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;">在动物实验中，经常要跟活体动物打交道，要保证实验顺利进行，一定要做好固定动物的工作，避免损伤实验动物也要避免自己受伤，本文介绍了动物实验中小鼠和大鼠捉拿固定方法。</span><span style="mso-spacerun:'yes';font-family:宋体;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: 宋体; font-size: 9pt;">★ 大鼠的抓取固定方法</span></strong></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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，只不过大鼠比小鼠牙尖性猛，不易用袭击方式抓取，否则会被咬伤手指，抓取时为避免咬伤，可带上帆布手套。如果进行腹腔、肌肉皮下等注射和灌胃时，同样可采用左手固定法，只是用拇指和食指捏住鼠耳，余下三指紧捏鼠背皮肤，置于左掌心中，这样右手即可进行各种实验操作。</span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">也可伸开左手之虎口，敏捷地从后，一把抓住。若做手术或解剖等，则需事先麻醉或处死，然后用细棉线绳活缚腿，背卧位绑在大鼠固定板上</font>;<font face="宋体">尾静脉注射时的固定同小鼠</font><font face="Calibri">(</font><font face="宋体">只需将固定架改为大鼠固定盒即可</font><font face="Calibri">)</font><font face="宋体">。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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: 宋体; font-size: 9pt;">★ 小鼠抓取固定方法</span></strong></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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;">小鼠温顺，一般不会咬人，抓取时先用右手抓取鼠尾提起，置于鼠笼或实验台向后拉，在其向前爬行时，用左手拇指和食指抓住小鼠的两耳和颈部皮肤，将鼠体置于左手心中，把后肢拉直，以无名指按住鼠尾，小指按住后腿即可。</span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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="宋体">人经验者直接用左手小指钩起鼠尾，迅速以拇指和食指、中指捏住其耳后颈背部皮肤亦可。这种在手中固定方式，能进行实验动物的灌胃、皮下、肌肉和腹腔注射以及其他实验操作。如进行解剖、手术、心脏采血和尾静脉注射时，则需将小鼠作一定形式的固定，解剖手术和心脏采血等均可使动物先取背卧位</font>(<font face="宋体">必要时先行麻醉</font><font face="Calibri">)</font><font face="宋体">，再用大头针将鼠前后肢依次固定在腊板上。</font></span><span style="mso-spacerun:'yes';font-family:宋体;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:宋体;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;">尾静脉注射时，可用小鼠尾静脉注射架固定，先根据动物大小选择好合适的固定架，并打开鼠筒盖，手提鼠尾巴，让动物头对准鼠筒口并送入筒内，调节鼠筒长短合适后，露出尾巴，固定筒盖即可进行尾静脉注射或尾静脉采血等操作。</span><span style="mso-spacerun:'yes';font-family:宋体;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>