percutaneous vertebroplasty system

A vertebral body and movable handle technology, which is applied in the field of medical surgical instruments, can solve the problems of high price and balloon rupture, and achieve the effect of low price, less damage and compression, and greater strength

Active Publication Date: 2016-08-17
周建明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The expandable bone balloon used in PKP is currently only produced by a few manufacturers in China. All the materials used to make the balloon have to be imported, which is expensive. The price of imported balloons is even more expensive, and the balloon may rupture during the operation.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] see figure 1 , Figure 4 , Figure 5 — Figure 7 , the present embodiment includes a handle composed of a fixed handle 1 and a movable handle 2, a guide rod 3 and an expandable device 4.

[0021] The fixed handle 1 and the movable handle 2 are movably connected to each other, and the connection between the fixed handle 1 and the movable handle 2 is fixed by screws, and the movable handle 2 can rotate around the screws. The fixed handle 1 and the movable handle 2 are provided with two intersecting spring sheets 6, and the two spring sheets 6 are respectively fixed on the fixed handle 1 and the movable handle 2 by screws. The function of the spring sheets 6 is to make the movable handle 2 Quickly return to the original state after finishing. An adjusting screw 5 is screwed on the fixed handle 1, and the tail end of the adjusting screw 5 is close to the movable handle 2. Larger, the larger the size that the movable handle 2 can expand, and vice versa.

[0022] The ex...

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PUM

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Abstract

The invention discloses a percutaneous dilatation vertebroplasty system for percutaneous kyphoplasty. The percutaneous dilatation vertebroplasty system comprises a handle, wherein the handle consists of a fixed handle and a movable handle which are movably connected with each other. The percutaneous dilatation vertebroplasty system is structurally characterized by also comprising a guide rod and an expandable device, wherein the expandable device consists of a plurality of titanium alloy bars, a shaft rod and two supporting rings; the two supporting rings are sleeved on the two ends of the shaft rod respectively; the titanium alloy bars uniformly surround the shaft rod; the two ends of each titanium alloy bar are connected with the two supporting rings respectively; one end of the guide rod is connected with the movable handle, and the other end of the guide rod is connected with the shaft rod. The percutaneous dilatation vertebroplasty system has the advantages of convenience in operation, economy, high efficiency and high reliability; the success rate of operation is improved.

Description

technical field [0001] The invention relates to a medical operation instrument, in particular to a percutaneous vertebroplasty system for percutaneous kyphoplasty. Background technique [0002] With the aggravation of population aging, more and more patients suffer from osteoporotic vertebral compression fractures. Traditional treatment methods mainly include bed rest, drug analgesia, external fixation with braces, etc., which can easily lead to further decalcification of bone and form a vicious circle. The open surgical treatment is also limited due to the patient's osteoporosis and poor general condition. In recent years, new minimally invasive techniques, such as vertebroplasty and kyphoplasty, have come out one after another. They have been carried out in developed countries such as Europe and the United States, and have achieved encouraging curative effects. A whole new way. Percutaneous vertebroplasty (PVP) is a new technique of minimally invasive interventional tre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/56A61M29/02
CPCA61B17/56A61B2017/00831A61M29/02
Inventor 周建明
Owner 周建明
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