2D Titanium Mesh have high strength, small arc, and relatively simple structure.
The 3D titanium mesh is applicable to the reconstruction for different parts of skull with a big radian.
Mesh of rectangle type with proper thickness is applicable to cover and fix for thrypsis of skull and also reconstruct of basal orbital part.
Chines optical trocar for endoscopic issued in minimally invasive abdominal and gynecologic procedures to establish a path of entry for endoscopic instruments.