骨折牵引器
fracture traction apparatus
电动钢丝牵引器
electric wire traction instrument
镍钛合金支架
nitinol stent
nickel-titanium alloy stent
interventional
metal stent
nitinol alloy stent
nickel-titanium allay
镍钛合金器械
Nickel-titanium instruments
镍钛合金聚髌器
Nitinol poly patellar device
弧形牵引器
curvilinear distraction device
curvilinear tractor