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  • trephination
  • Light, transmission, and scanning electron microscopy were used to compare the ultrastructural appearance of the cut edges and the endothelial cell loss in 26 human corneal donor buttons obtained by trephination with the suction fixated guided trephine system (GTS) and with the free hand posterior punch technique (PPT). (bmj.com)
  • mechanical
  • The disclosed arrangement uses radiographic mapping, precise mechanical control of the trephine with an apparatus disclosed. (google.com)
  • The disclosed arrangement uses radiographic mapping, precise mechanical control of the trephine with an apparatus disclosed in detail, conventional trephine energizing and a test specimen such as a rhesus monkey. (google.com)
  • punch
  • Moria products portfolio includes an adjustable trephine designed to reduce the surgiacal risk, a punch with a symmetrical double bevel blade and specific instruments. (moria-surgical.com)
  • results
  • Results: In the PS, the trephine bur and bone scraper harvested bone chips that were medium to large and more vital than those obtained with the other tools. (quintpub.com)
  • handle
  • These trephines are typically handheld instruments consisting of hollow cylinders with a circular-saw-like serrated working edge and an integral, perpendicular handle for application of torque. (medicalproductguide.com)
  • means
  • elongated cradle receptacle means disposed parallel to said transverse assembly on said planer surface member for retaining a horizontally reposed vertebrate test specimen in predetermined alignment with said trephine cutter bit driving member. (google.com)
  • test
  • A bone biopsy arrangement especially suited for use in obtaining axial skeleton trephine samples from the spinal vertebra centrum of a living test specimen in a safe and rapid manner. (google.com)