A kind of technology in the field of minimally invasive surgical instruments for minimally invasive surgical forceps, based on shape memory alloy comprises a first handle, second handle, traction line, regulator, outer shaft, shape memory alloy, spindle, jaw and tooth bar, including: fixed regulator in the first handle, connected to the outer shaft and the outer regulator. The sleeve is connected with the main shaft, and one end connected to the spindle clamp mouth, shape memory alloy and connected to the spindle, and the other end is connected with the traction line, the outer shaft and the regulator is successively connected traction line, connected traction line and the second handle, the first and second handles activities connected. Under the condition of obtaining effective clamping force, the clamped tissue can be well protected so as not to be damaged so as to achieve the minimally invasive effect.
【技术实现步骤摘要】
【技术保护点】
１．一种基于形状记忆合金的微创手术钳，其特征在于，包括：第一手柄、第二手柄、牵引线、调节器、外轴、形状记忆合金、主轴和钳嘴，其中：调节器固定在第一手柄上，外轴和调节器相连，外轴套接主轴，主轴和钳嘴相连，形状记忆合金的一端和主轴相连，另一端和牵引线相连，外轴和调节器依次套接牵引线，牵引线和第二手柄相连，第一手柄和第二手柄活动相连。
【技术特征摘要】
【专利技术属性】
技术研发人员：罗云，李祥，张文光，赵爽，
申请(专利权)人：上海交通大学，
类型：发明
国别省市：31
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