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Multifunctional vertebral body former

A vertebroplasty and multifunctional technology, which is applied in the field of medical devices, can solve the problems of not disclosing the connection relationship and working mode of the proximal end in detail, and achieve the effect of reducing surgical steps, simple and convenient operation, and reducing the number

Pending Publication Date: 2020-03-24
NINGBO HICREN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no detailed disclosure of the connection relationship and working methods of the components at the proximal end of the operation to achieve multi-function

Method used

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  • Multifunctional vertebral body former
  • Multifunctional vertebral body former
  • Multifunctional vertebral body former

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] This embodiment provides a multifunctional vertebral body shaper, such as figure 1 , 2a -2b and 3a-3b, which include

[0067] A balloon structure 1, which includes a balloon outer tube 16, a balloon handle 11 and a balloon 15; the proximal outer surface of the balloon outer tube 16 is sequentially sleeved with a balloon handle fitting 12, the The balloon handle 11 and the balloon delivery buckle 13; wherein, the balloon handle 11 and the balloon delivery buckle 13 pass through the fourth lug 132 on the balloon delivery buckle 13 and the buckle on the balloon handle 11 The grooves are matched to be rotatable and fixed; the balloon handle fitting 12 is fixedly connected to the balloon handle 11; the distal end of the balloon outer tube 16 is fixedly connected to the balloon 15, and the distal end of the balloon 15 is sealed ;

[0068] A delivery tube structure 2, comprising a shape memory alloy tube 21, a slider 23 and an outer tube adjustment handle 22, the shape memo...

Embodiment 2

[0085] This embodiment provides the working principle of the multifunctional vertebral body shaper described in Embodiment 1.

[0086] (1) Before the operation starts, if Figure 2a , 3a , 5, and 14-15, the delivery tube structure 2 is connected to the outside of the balloon set structure 1 through buckles, and the first lug 231 on the slider 23 is set on the far end of the balloon delivery buckle 13. On the card slot, the third lug 143 on the balloon delivery buckle fitting 14 is clamped on the limit card slot 241 on the limit member 24; figure 1 with Figure 5 As shown, after the working channel is established, the multifunctional vertebral body shaper provided in embodiment 1 is inserted into the working sleeve structure 3, and the locking ring 26 is rotated to connect the multifunctional vertebral body shaper to the working sleeve structure 3. Sleeve handle 31 is fixed;

[0087] (2) if Figure 10a As shown, turn the outer tube adjustment handle 22 clockwise, the outer...

Embodiment 3

[0094] This embodiment provides the working principle of the multifunctional vertebral body shaper described in Embodiment 1.

[0095] (1) Before the operation starts, if Figure 2a , 3a , 5, and 14-15, the delivery tube structure 2 is connected to the outside of the balloon structure 1 through buckles, and the first lug 231 on the slider 23 is set at the far end of the balloon delivery buckle 13. On the groove, the third lug 143 on the balloon delivery buckle fitting 14 is set on the limit card groove 241 on the limit member 24; figure 1 with Figure 5 As shown, after the working channel is established, the multifunctional vertebral body shaper provided in embodiment 1 is inserted into the working sleeve structure 3, and the locking ring 26 is rotated to connect the multifunctional vertebral body shaper to the working sleeve structure 3. Sleeve handle 31 is fixed;

[0096] (2) if Figure 10b As shown, turn the outer tube adjustment handle 22 clockwise, and drive the ball...

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Abstract

The invention relates to a multifunctional vertebral body former, which comprises a balloon structure and a conveying pipe structure, the conveying pipe structure comprises a shape memory alloy pipe,a sliding block and an outer pipe adjusting handle, a balloon outer pipe and a balloon are sleeved with the shape memory alloy pipe, and the near end of the shape memory alloy pipe is fixedly connected with the far end of a sliding block; the near end of the sliding block is detachably connected with the balloon structure through a first clamping lug; the outer surface of the sliding block is provided with a threaded structure, the outer surface of the sliding block is sleeved with an outer tube adjusting handle with an internal threaded structure, the outer tube adjusting handle is rotated todrive the sliding block to move front and back, and therefore the protruding amount of the far end of the shape memory alloy tube relative to the far end of an outer tube and the protruding amount ofthe far end of the balloon relative to the far end of the shape memory alloy tube are controlled. The multifunctional vertebral body former is simple in structure and easy to operate, vertebral dilation of a bone drill and pre-dilation of a balloon catheter are integrated on one instrument, surgical operation is simplified, surgical time is shortened, surgical efficiency is improved, and meanwhile physical requirements of doctors and economic burdens of patients are reduced.

Description

technical field [0001] The invention relates to the field of medical instruments, in particular to a multifunctional vertebral body shaper. Background technique [0002] The existing PKP kyphoplasty uses percutaneous puncture to place an inflatable balloon into the collapsed vertebral body, lift the endplate through the expansion of the balloon, restore the height of the vertebral body, correct the kyphotic deformity, and A cavity surrounded by a bone shell is formed in the body, and high-viscosity bone cement is perfused under low pressure. In order for the balloon to enter the vertebral body smoothly, it is necessary to establish a working channel with a puncture needle and a working cannula, and then use a bone drill to drill out the working cavity of the balloon before expansion, and then send the balloon into the vertebral body. After forming a cavity surrounded by a bone shell in the vertebral body, the balloon is withdrawn, and finally bone cement is injected. The o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/70A61B17/88A61B17/34A61B17/16
CPCA61B17/7061A61B17/7097A61B17/8805A61B17/8816A61B17/3415A61B17/3472A61B17/1671A61B2017/564A61B17/8819A61B17/8855
Inventor 喻杰李东胡冬张鹏云吕世文
Owner NINGBO HICREN BIOTECH
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