Individualized lumbar pedicle screw placement guiding device

A technology of pedicle screw and guiding device, applied in medical science, internal bone synthesis, internal fixator, etc., can solve the problems of increasing the area of ​​soft tissue stripped during surgery, destroying the structure of the posterior ligament complex, and affecting the positioning accuracy, etc., to achieve Reduce radiation exposure, improve the accuracy of nail placement, and ensure the effect of accurate placement

Inactive Publication Date: 2017-04-26
冯振华 +2
1 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

However, the fitting surface of the customized pedicle guide plate includes the spinous process, which destroys the structure of the posterior ligament complex (supraspinous ligament and interspinous ligament). In...
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Method used

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Abstract

The invention discloses an individualized lumbar pedicle screw placement guiding device. The individualized lumbar pedicle screw placement guiding device is composed of a guiding hole, a holding rod and a connecting body. The guiding hole is of a hollow tubular structure with the axis consistent with the pedicle axis; the holding rod is a stabilizing structure during a surgical operation and can perform fine adjustment on the position of the pedicle guiding device on the lumbar vertebra; and the connecting body is a structure with the surface capable of being attached to a vertebra plate and a transverse process surface, and a posterior longitudinal ligament complexus structure is avoided. The individualized lumbar pedicle screw placement guiding device is used for accurate place-in of a pedicle screw, the posterior longitudinal ligament complexus structure is reserved, and the device is convenient and easy to use.

Application Domain

Internal osteosythesis

Technology Topic

VertebraPedicle screw +9

Image

  • Individualized lumbar pedicle screw placement guiding device
  • Individualized lumbar pedicle screw placement guiding device
  • Individualized lumbar pedicle screw placement guiding device

Examples

  • Experimental program(1)

Example Embodiment

[0019] Specific embodiment: The individualized pedicle guiding device of the present invention is attached to the lumbar spine surface through the connecting body 3, and the position of the pedicle guiding device on the lumbar spine can be fine-tuned by the lever 1 provided on the connecting body 3. The individualized pedicle screw guide device can be more firmly fixed on the lumbar spine. The guide hole 2 cooperates with the guide device to guide the implantation of the pedicle screw. The device improves the stability and reliability of the operation and retains the posterior ligament The composite body has simple structure and convenient operation.

PUM

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Description & Claims & Application Information

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