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Vertebral arch pedicle bone chisel with arc-shaped cutting edge and application thereof

A pedicle and blade technology, applied in the field of medical tools, can solve the problems of left and right sliding of the osteotome, damage to the pedicle nerve root, spinal cord, etc., and achieves the effects of convenient use, improved operation efficiency and success rate, and shortened operation time.

Inactive Publication Date: 2015-02-04
SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its disadvantages are: during spinal surgery, ordinary osteotome is often used for osteotomy and window opening. When it is used to cut off the pedicle, because the front end of the cutter head is a straight blade, the osteotome is prone to slide left and right during operation. Damage to important structures such as nerve roots and spinal cord around the pedicle

Method used

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  • Vertebral arch pedicle bone chisel with arc-shaped cutting edge and application thereof
  • Vertebral arch pedicle bone chisel with arc-shaped cutting edge and application thereof
  • Vertebral arch pedicle bone chisel with arc-shaped cutting edge and application thereof

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Embodiment Construction

[0012] The specific embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] The reference signs and components involved in the accompanying drawings are as follows:

[0014] 1. Handle; 2. Inclined rod; 3. Blade head; 4. Arc blade;

[0015] 5. Straight rod; 6. Straight edge.

[0016] as attached figure 1 And attached figure 2 As shown, a pedicle osteotome with an arc-shaped blade is composed of a handle 1, an oblique rod 2 and a cutter head 3, and the two ends of the oblique rod 2 are respectively fixed with a handle 1 and a cutter head 3. The axis of the handle 1 is parallel to the axis of the cutter head 3, and the front end of the cutter head 3 is provided with an arc-shaped blade 4 whose shape matches that of the pedicle. The axis of the oblique rod 2 intersects with the axis of the handle 1 and the axis of the cutter head 3 respectively, so that the tissue around the pedicle will not be d...

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PUM

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Abstract

The invention relates to a vertebral arch pedicle bone chisel with an arc-shaped cutting edge. The vertebral arch pedicle bone chisel consists of a handle, an inclined rod and a cutter head, wherein the handle is fixed to the rear end of the inclined rod, and the cutter head is fixed to the front end of the inclined rod. The vertebral arch pedicle bone chisel is characterized in that the axis of the handle is parallel to that of the cutter head, and the front end part of the cutter head is provided with the arc-shaped cutting edge. Compared with the currently-used traditional bone chisels, the vertebral arch pedicle bone chisel with the arc-shaped cutting edge has the advantages that the structure is simple, the use is convenient, tissue, such as nerve roots and spinal cords, around vertebral arch pedicle cannot be injured during bone chiseling surgery, the surgery is safe and reliable, the time for the surgery is shortened, and the efficiency and success rate of the surgery are increased.

Description

technical field [0001] The invention relates to an improvement of an osteotome, which belongs to the technical field of medical tools, in particular to a pedicle osteotome with an arc-shaped blade and its application. Background technique [0002] Osteotome is widely used in orthopedics, especially in spinal surgery and spinal tumor surgery, mainly for bone correction, bone extraction and osteotomy. Osteotomes currently in use, such as image 3 : Consists of a handle 1, a straight rod 5, a cutter head 3 and a straight blade 6, the rear end of the straight rod 5 fixes the handle 1, the front end of the straight rod 5 fixes the cutter head 3, the axes of the handle 1, the straight rod 5 and the cutter head 3 Coincidentally, the front end of the cutter head 3 is provided with a straight cutting edge 6 . Its disadvantages are: during spinal surgery, ordinary osteotome is often used for osteotomy and window opening. When it is used to cut off the pedicle, because the front end o...

Claims

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Application Information

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IPC IPC(8): A61B17/16
CPCA61B17/1604A61B17/1657A61B17/1671
Inventor 尹华斌杨兴海周旺肖建如李博孟通
Owner SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY