The invention provides an ultra hard wire, including wire rod, spring hard core chip and elastic piece, the inside of the guide wire and hard core rod is provided with an accommodating cavity, one end of the guide wire wire rod with hard connection end, the chip has a fixed rod and spring elastic extension arm, wherein the fixed rod and the elastic extension arm is connected as a whole, the fixed lever is fixedly arranged in the accommodating chamber, the elastic piece is sheathed on the elastic extension arm, and the elastic member end and the connection end is fixedly connected together, and the other end of the elastic piece is fixed with a. With the help of related to its unique structure, the invention in combination with auxiliary casing, casing and auxiliary elastic pieces just connected, so that the gap between the very small, can prevent scratching vascular tissue during surgery, to prevent some strong debris stuck in the group effect.
【技术实现步骤摘要】
【技术保护点】
１．一种医用超硬导丝，其特征在于：包括导丝硬芯杆、弹簧芯片以及弹性伸缩件，其中，该导丝硬芯杆内部设置有收容腔，该导丝硬丝杆的一端具有连接端面，该弹簧芯片具有固顶杆以及弹性延伸臂，其中，该固定杆与该弹性延伸臂连接成为一整体，该固定杆固定设置在该收容腔内，该弹性伸缩件套接在该弹性延伸臂上，且该弹性伸缩件的一端与该连接端面固定连接在一起，而该弹性伸缩件的另一端固定设置有顶珠。
【技术特征摘要】
【专利技术属性】
技术研发人员：姜小波，
申请(专利权)人：佛山特种医用导管有限责任公司，
类型：发明
国别省市：44
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