Bone dilator

一种骨扩张器、扩张器的技术，应用在医学骨外科微创手术器械领域，能够解决增加患者经济负担、刺破等问题，达到结构紧凑、扩张力均衡、成本低廉的效果

Active Publication Date: 2006-03-22
梁淑君 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] ③Although BK is a minimally invasive surgery, the price of each imported balloon is RMB 40,000. One vertebra needs to use two balloons at the same time, that is, a BK operation costs at least RMB 80,000
[0009] ④When the balloon is placed or inflated, it will be punctured by sharp bone fragments, and the balloon must be replaced, which will increase the economic burden of the patient

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0033] Referring to Figures 1 to 3, the structure of the bone expander consists of a head (1), a neck (2), a waist (3), a connecting tube (4), a handle (5) and a rotating handle (6). The head (1), the neck (2), the waist (3), the connecting pipe (4), and the handle (5) are all hollow, and the central device is provided with a pull rod (7). The tension bolt (8) in the center of the rotary handle (6) is connected with the pull rod (7). The head (1) and the neck (2) are both in the shape of two semi-circular tubes. The waist (3) is round tube shape. The support rods (9) located on both sides of the distal end of the pull rod (7) are connected with the head (1) and the pull rod (7) through a pin connection (10). There are two pairs of struts (9). When the head (1) and the neck (2) are completely closed, the distal end of the pull rod (7) and the brace (9) are all located in the grooves inside the head (1) and the neck (2). The head (1) and the neck (2), the neck (2) and the waist (3) ...

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PUM

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Abstract

The bone dilator as a small wound surgical bone operation equipment is used mainly in the treatment of various kinds of bone fractures. The bone dilator has the structure comprising head, neck, waist, connecting pipe, handle, rotating handle, pull rod inside the hollow head, the neck, the waist, the connecting pipe and the handle, tension screw in the center of the rotating handle and connected to the pull rod, stay bar in the front of the connecting pipe, and handle support for movable connection between the handle and the rotating handle. When the head and the neck close each other, the far end of the pull rod and the stay bar are set inside the notch inside the head and the neck.

Description

Technical field [0001] The bone expander of the present invention relates to a medical orthopedic surgery minimally invasive surgical instrument, which is suitable for treating osteoporotic vertebral compression fractures, and can also be used for treating osteoporotic fractures of other parts and partial traumatic or pathological vertebral bodies Compression fractures, etc. Background technique [0002] Osteoporosis is a common disease threatening the health of the elderly. In 2002, there were 88.9 million patients with osteoporosis in China, ranking sixth in my country's disease ranking. Compression fracture of the spine is one of the important complications of osteoporosis. In 2002, there were 44 million osteoporosis patients in the United States. Among the 1.5 million fractures that occur each year, 700,000 were spine fractures, half of which required hospitalization. Severe spinal fractures can cause compression of the spinal cord and paraplegia. A compression fracture of a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/56
CPCA61B2017/0256A61B17/0206A61M29/02A61B17/025A61B17/8858
Inventor 吴乃庆
Owner 梁淑君
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