The invention discloses an intervertebral space mutilation system for chunk total nephroureterctomy of thoracolumbar tumors. The intervertebral space mutilation system comprises a protecting body andan inserting strip, wherein the protecting body comprises a head end, a tail end and a body part, wherein the end of the head end is a first concave structure comforming to intervertebral space protrusions; the protecting body adopts a curved structure, and cooperates with thoracolumbar dissection radian; the section of the body part adopts a second concave structure conforming to the thoracolumbar protrusions; a line groove is axially formed in the protecting body along the protecting body; the line groove is used for allowing a fretsaw to be accommodated; two corresponding clamping grooves are formed in the axial direction of the protecting body on two side walls of the line groove; the inserting strip cooperates with the clamping groove; a cavity communicating with the line groove is formed above the head end; and a hook is arranged in the cavity. The intervertebral space mutilation system protected by the invention is simple to operate, safe to use and good in effects.

Intervertebral space mutilation system for chunk total nephroureterctomy of thoracolumbar tumors

The utility model discloses a wire saw guide plate structure for craniotomy. Guide plate, buffering heads are installed on the two sides of the outer portion of the guide plate. An air cushion is attached to the outer part of the buffer head; a placing groove is formed in the guide plate; a clamping ring is mounted in the placement groove; a clamping ring is connected into the clamping ring in a sleeving manner; a protective cover is mounted at the top end of the placement groove; the protective cover is in sliding connection with the guide plate through a sliding groove; the device is scientific and reasonable in structure; a buffer head and an air cushion are arranged; the head end of the guide plate is sharp; the secondary injury to the patient is easily caused by penetrating through the dura mater. A clamping ring and a clamping ring are arranged; according to the guide plate, the installation firmness of the wire saw during guide of the guide plate is improved, the situation thatthe position of the wire saw deviates easily, and the operation quality is affected is avoided, the problems that the wire saw rubs with skull easily during guide, and guide is difficult are solved, meanwhile, after guide is finished, the protective cover can be taken down conveniently, and use is convenient and fast.

Wire saw guide plate structure for craniotomy

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Wire saw guide plate structure for craniotomy