在眼科手术中,虹膜周边切除是许多手术的一个环节,以往边切手术是用镊子配合剪刀来完成,切口大小及形状难于控制,剪切过程中易发生切口过大、过小及形状不规则,使手术不甚理想。目前尚无此类器械解决边切中出现的上述问题,因此作者特设计虹膜咬切器。(一)器械设计:虹膜咬切器由内刀、外刀、弹性钢片、防滑钉、铰链钉、固定螺钉、限移螺钉、铆钉、限位销、推块、咬切限制柄组成。 In ophthalmic surgery, iris resection is a part of many surgical procedures. In the past, surgical incision was performed with forceps and scissors. The size and shape of the incision were difficult to control. The incision was too large, too small and irregular in shape during the cutting process , So that surgery is not ideal. There is no such device to solve the above problems that arise in the cut, so the author specially designed iris bite cut device. (I) Device design: The iris bite cutter consists of an inner knife, an outer knife, an elastic steel piece, a stud, a hinge pin, a fixing screw, a limit screw, a rivet, a limit pin,