Method for manufacturing navigation template of human bone surgery and female die thereof

An orthopedic surgery, navigation template technology, applied in surgery, medical science, computer-aided planning/modeling, etc., can solve problems such as danger, not biological safety, unsafe human tissue, etc., and achieve screw accuracy, surgical safety, and effect. Good results

Inactive Publication Date: 2010-09-01
SOUTHERN MEDICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, the materials used in various rapid prototyping equipment are not biologically safe and unsafe to human tissue, and the technology described in this invention patent requires the reverse navigation template produced by the rapid prototyping machine to be directly used with the patient for surgery The bone surface is attached and implanted into the human body, which shows that this method is potentially dangerous
[0005] In addition, the above-mentioned

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  • Method for manufacturing navigation template of human bone surgery and female die thereof
  • Method for manufacturing navigation template of human bone surgery and female die thereof
  • Method for manufacturing navigation template of human bone surgery and female die thereof

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Embodiment Construction

[0027] 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.

[0028] Such as figure 1 As shown, Embodiment 1 of the present invention provides a method for making a human orthopedic surgery navigation template, including steps:

[0029] 101. Collect the original data of the patient's bone, and build a three-dimensional model on the computer.

[0030] The digital image data of the patient's bone to be operated on is collected by CT scan, MRI equipment, or X-ray machine, including digital image data such as shape, size, length, bone density, structure, etc., and a three-dimensional model is established on the computer. Take the treatment of the spine as an example. Before the operation, a thin-slice CT scan is performed on the vertebrae in the operation area of ​​the patient, and the original CT data are collected and input i...

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Abstract

The invention discloses a method for manufacturing a navigation template of human bone surgery and a female die thereof. The method comprises the following steps of: a, acquiring raw data of a patient bone, and establishing a three-dimensional model on a computer; b, analyzing the three-dimensional model, extracting a bone curve image near a surgical screw inlet part, and designing a screw positioning rod; c, establishing a reverse template fitted with a bone curve near the surgical screw inlet part to make the screw positioning rod matched with the reverse template through reverse engineering software, establishing a three-dimensional model of the female die of the surgical navigation template, and manufacturing a physical model of the female die; and d, pouring biomedical materials into the physical model of the female die to make the bottom three-dimensional shape of the biomedical material model fitted and consistent with the bone curve near the surgical screw inlet part, and hardening to form the biocompatible navigation template of human bone surgery. The biocompatible navigation template of the human bone surgery manufactured by the invention makes the surgery safer and achieves better effect.

Description

technical field [0001] The invention relates to a medical operation auxiliary model and its manufacturing method, in particular to a manufacturing method of a navigation template for human orthopedic surgery and the structure of the female model. Background technique [0002] At present, implants are used more and more in orthopedic surgery. Generally speaking, the accurate placement of screws in orthopedic implant surgery is the most important for surgical safety, such as spinal trauma reduction, deformity correction and other operations, generally use Pedicle screw internal fixation surgery, but because the inner side of the pedicle is the spinal canal that runs along important structures such as the spinal cord, once the pedicle screw is implanted into the spinal canal, it will cause spinal cord injury and cause paralysis, incontinence and other complications. Moreover, from the lumbar spine up, the cross-sectional diameter of the pedicles of the thoracic and cervical spi...

Claims

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Application Information

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IPC IPC(8): A61B19/00B29C39/26A61B34/10
Inventor 李鉴轶林荔军赵卫东王健张美超
Owner SOUTHERN MEDICAL UNIVERSITY
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