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Auxiliary expandable hemostatic conical device of percutaneous pedicle screw

A pedicle screw and expansion technology, applied in the field of minimally invasive spine, can solve the problem of extensive bleeding of the percutaneous pedicle screw screw channel, and achieve the effect of improving safety

Pending Publication Date: 2020-12-29
THE AFFILIATED HOSPITAL OF QINGDAO UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a percutaneous pedicle screw assisted expandable hemostatic cone device, which is used to solve the problem of extensive bleeding in the percutaneous pedicle screw screw tract, and is used in the treatment of breast cancer with percutaneous pedicle screw technology. During the lumbar fracture process, the device can be inserted into the incision along the entire length of the guide wire to achieve the effect of immediate compression and hemostasis, which greatly improves the safety of the operation

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  • Auxiliary expandable hemostatic conical device of percutaneous pedicle screw

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] refer to figure 1 , 2 As shown, this embodiment proposes a percutaneous pedicle screw assisted expandable hemostatic cone device, which includes a hollow screw device integrally formed by a head 1, a body 2 and a tail 3, and the hollow 4 runs through the head , body and tail, wherein the head 1 is a disc-shaped structure, the body 2 is a conical spiral structure, the tail 3 is a cone-shaped structure, and the outer sides of the body 2 and the tail 3 are smoothly transitioned. Among them, the inner diameter of the hollow 4 is 3mm, the outer diameter of the head 1 is 15mm, and the thickness is 5mm; t...

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Abstract

The invention provides an auxiliary expandable hemostatic conical device of a percutaneous pedicle screw. The auxiliary expandable hemostatic conical device comprises a hollow spiral device, which isintegrally formed by a head part, a body part and a tail part; a hollow part penetrates through the head part, the body part and the tail part; the head part is of a disc-shaped structure; the body part is of a conical spiral structure; and the tail part is of a conical structure. The device is used for solving the problem of extensive bleeding in a screw path of the percutaneous pedicle screw, and can be placed into an incision along the full length of a guide wire in the process of treating thoracolumbar fracture by applying a percutaneous pedicle screw technology, so that the effect of instant compression hemostasis is achieved, and the safety of an operation is greatly improved.

Description

technical field [0001] The invention belongs to the field of spinal minimally invasive technology, and relates to percutaneous pedicle screw technology, in particular to a percutaneous pedicle screw assisted expandable hemostatic cone device. Background technique [0002] Percutaneous pedicle screw technology is currently one of the most popular spinal minimally invasive techniques. In addition to being widely used in thoracolumbar fractures, it is also gradually applied to the minimally invasive treatment of degenerative diseases, especially combined with the current gradual advancement of spinal robots. This technology can be better promoted, but there is still no better way to deal with the extensive bleeding of the puncture route. Regardless of whether C-arm fluoroscopy or robot-assisted positioning is used, the skin incision is about 1 cm long, and the skin and subcutaneous tissue , deep fascia and muscle tissue all have the possibility of a large amount of bleeding, th...

Claims

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Application Information

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IPC IPC(8): A61B17/12
CPCA61B17/12A61B2017/12004
Inventor 周传利马学晓祝凯王超王岩郭建伟李光辉吴晓琪
Owner THE AFFILIATED HOSPITAL OF QINGDAO UNIV
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