| 摘要 |
A device for bone tissues collection and bone defects trepanoplastics, consisting of a tube with dentate sharpening with the edge projecting out of its external diameter on one end and handle on another, mandrin with a circular canal. And the working end of hollow treapn is made as smoothly pointed hollow mill with one knife of conic and segmental shape, flatly grinded under angle of 30° which does not project out of the tube perimeter, and another end - in the form of the handle for support with an aperture, which passes in the conductor channel for access of another trepan at trepanoplastics, and the device is in addition equipped with the demountable lever-extension of the handle and mandrins of four types for carrying out of various stages of collection and grafting of bone tissue. |
