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Instruments for mini-invasive spinal column surgery and uses thereof

A technology of cylinder and perforator, applied in the directions of surgery, fixator, internal fixator, etc., can solve the problem of increasing radiation exposure of patients and medical staff, and achieve the effect of beneficial characteristics and quality

Inactive Publication Date: 2013-02-13
嵴柱工艺公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Therefore, another disadvantage of this technique is that it increases the radiation exposure of patients and medical staff

Method used

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  • Instruments for mini-invasive spinal column surgery and uses thereof
  • Instruments for mini-invasive spinal column surgery and uses thereof
  • Instruments for mini-invasive spinal column surgery and uses thereof

Examples

Experimental program
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Embodiment Construction

[0075] figure 1 is a perspective view of the pedicle perforator 1 of the present invention, which shows a pear-shaped handle 2 through which the pedicle perforator 1 can be held and Put pressure on it. The shank 2 is rigidly connected to the shaft 3 terminating in an end 4 opposite to the shank 2 , which is in the form of a hole, comprising faces 5 and 6 in this example. The shaft 3 includes a centering device 7 , which has a cylindrical surface and is located on the shaft 3 in the area opposite the shank 2 . In the present example, the centering means 7 are solid, hourglass shaped and only one is provided.

[0076] Centering means 7 maintain the axial position of the shaft 3 in the cylinder while allowing the shaft 3 to slide within the cylinder, as will be seen below. The centering device 7 is provided protruding from the shaft 3 because its diameter is larger than that of the shaft 3 where the centering device 7 is fixed. The shaft 3 is located in the center of the cent...

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PUM

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Abstract

A pedicle perforator (1) includes a handle (2) and a shaft (3) which ends opposite the handle (2) with an end (4) that has a perforated shape (hereinafter referred to as tip), characterized in that the shaft (3) includes a protruding centering device (7) for a cylindrical surface, provided in a region of the shaft (3) opposite the handle (2), a hollow guide tube (11) having an internal diameter of 4 to 20 mm, an external diameter of 5 to 22 mm and a length of 4 to 25 cm, including an end that has reliefs for attachment (12), for use together with the pedicle perforator, and a set including a pedicle perforator (1) and a hollow guide tube (11), wherein the pedicle perforator (1) can slide loosely in this hollow guide tube.

Description

technical field [0001] The invention relates to an instrument for minimally invasive spinal surgery and its application. Background technique [0002] Various methods are used to treat many spinal disorders, surgery being one of them. Depending on the patient's indications, different types of surgical procedures are provided. One of them is osteosynthesis. Osteosynthesis involves placing screws in the pedicles and connecting the screws together with rods or plates to immobilize the diseased area. One variation involves attaching the screw via a bendable or semi-rigid rod (or system), thereby stabilizing the diseased site without immobilizing it. In all of these cases, the surgeon first places screws in the pedicles. [0003] Only recently have these techniques begun to be performed in a minimally invasive fashion, in which a surgeon makes tiny incisions and fits screws in place through tubes (dead-legs). [0004] In a minimally invasive procedure, the pedicle screws are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/16A61B17/88
CPCA61B17/1757A61B17/1662A61B17/1604A61B17/1671A61B17/1615A61B17/7002A61B17/7082A61B17/88
Inventor J·莱福欧
Owner 嵴柱工艺公司
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