数字式磁控脊髓夹损仪

DIGITAL AND ELECTROMAGNETICALLY CONTROLLED PINCHERS FOR SPINAL CORD INJURY

在原磁控机械夹断装置的基础上,研制出一种新型的、定量的数字式磁控脊髓夹损仪。该仪器是根据电磁理论和力学平衡原理设计的,由定时器、电流调节器和电流表、控制电路及电磁夹具所组成。电磁夹具左、右两臂间的距离、其单或双臂作用力,运动方向和持续时间均可根据实验要求预先设置和调整。流经电磁夹具单臂或双臂的电流可在数字显示屏上显示并保持。本仪器操作简便可靠,还可直读,适用于复制不同种系动物的不同类型和程度的脊髓损伤。

A kind of noval digital and electromagnetically controlled pinchers is develop-ed from its original type for more quantitatively pinching the spinal cord.Theinstrument is designed based on electromagnetic theory and principle of equili-brium in mechanics and composed of a timer,a current regulator and meter,con-trol circuits and two-arm pinchers.The interarm distance,the pinch force,dura-tion,and direction of left and/or right arm can be set up and adjusted.Thecurrent flowing through one or two pinching arms can be displayed and hold digi-tally on a screen.The machine is characterized not only by its convenience andcorrectness in operation but also by its directness and accuracy in reading.Thesetup is applicable to produce different kind and extent of spinal cord injury inmany species of animals.