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Acrylic cement fixation screw and acrylic cement injection device

A technology for fixing screws and injection devices, applied in the field of bone cement fixing screws and bone cement injection devices, can solve the problems of unbearable patients with secondary revision surgery, failure of surgical treatment, displacement of bone cement, etc., so as to reduce the difficulty of surgery and effectively Fixed, fast-injected effects

Pending Publication Date: 2019-01-29
XIAN HONGHUI HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, bone cement displacement often occurs clinically in Kummell's disease after filling with bone cement, which makes surgical treatment fail, and patients have to accept open revision surgery. unbearable, and even cause serious consequences such as death of the patient

Method used

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  • Acrylic cement fixation screw and acrylic cement injection device
  • Acrylic cement fixation screw and acrylic cement injection device
  • Acrylic cement fixation screw and acrylic cement injection device

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Embodiment Construction

[0029] Specific embodiments of the present invention are provided below, and it should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solutions of the present application all fall within the scope of protection of the present invention.

[0030] Such as figure 1 with figure 2 As shown, the present invention provides a bone cement fixation screw. The inside of the bone cement fixation screw 1 is provided with an injection channel for bone cement injection along the axial direction; the bone cement fixation screw 1 includes a screw head 11, a screw rod 14 and a screw tail 16. The screw head 11 is pointed, and the screw head 11 is provided with a bone cement side hole 12, and the bone cement side hole 12 communicates with the injection channel. External thread is set on the screw rod 14 . Screw tails 16 are provided with nail tail threads.

[0031] At least one bo...

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Abstract

The invention discloses an acrylic cement fixation screw and an acrylic cement injection device. The acrylic cement injection device comprises a controller, a connecting rod, an injection syringe andthe acrylic cement fixation screw;the controller is provided with an operation channel, and the connecting rod is provided with an injection channel; the acrylic cement fixation screw is connected with one end of the controller, one end of the connecting rod extends into the operator channel of the controller, and the end of the connecting rod is in contact with the screw tail of the acrylic cement fixation screw; and the other end of the connecting rod is connected with the injection syringe. According to the acrylic cement fixation screw, acrylic cement can be well fixed to avoid postoperative displacement of the acrylic cement, meanwhile, zero incision is achieved after operation of the acrylic cement fixation screw, the screw is completely located in a vertebral pedicle of a diseased vertebra, muscle or skin abrasion is avoided, and side effects and influences on patients are avoided.

Description

technical field [0001] The invention belongs to the technical field of orthopedic surgery auxiliary instruments, in particular to a bone cement fixing screw and a bone cement injection device. Background technique [0002] With the progress of population aging, the annual incidence of osteoporotic thoracolumbar fractures is about 30%. When patients experience mild trauma and experience pain and kyphosis again after a period of no obvious symptoms for several months or even years, This type of osteoporotic thoracolumbar fracture is called Kummell's disease, and imaging shows bone defects in the vertebral body of the spine. The main clinical manifestations of Kummell's disease are significantly worse pain than before, especially when standing up, standing, and walking, and vertebral body collapse, progressive kyphosis, and even neurological damage, which seriously affect the quality of life of patients. With the continuous aggravation of aging in my country, the number of pat...

Claims

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Application Information

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IPC IPC(8): A61B17/68A61B17/70A61B17/86A61B17/88
CPCA61B17/683A61B17/70A61B17/86A61B17/8625A61B17/864A61B17/8816
Inventor 王彪郝定均孔令擘高文杰贺宝荣单乐群郭华
Owner XIAN HONGHUI HOSPITAL
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