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Personalized prosthesis and making method and using method thereof

A production method and prosthesis technology, which are applied in the fields of prosthesis, medical science, spinal implants, etc., can solve the problem of difficult to grasp the occurrence of complications, and achieve the effect of improving the accuracy and safety of surgery

Inactive Publication Date: 2016-12-07
BEIJING ZHONGNUO HENGKANG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, traditional titanium cages and alternative materials are not personalized designs for patients, and clinicians need to temporarily shape them according to intraoperative conditions, which is difficult to grasp in terms of surgical accuracy, surgical time, intraoperative bleeding, and complications.

Method used

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  • Personalized prosthesis and making method and using method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1 The manufacturing method of personalized prosthesis

[0033] A method for making a personalized prosthesis, comprising the following steps:

[0034] 1) Image acquisition: collect the original DICOM format data of the CT scan of the patient (slice thickness is 0.625mm);

[0035] 2) 3D digital modeling: import data into Mimics software for 3D reconstruction;

[0036] 3) Establish a resin model: intercept the area to be operated, and use medical resin to reconstruct the model of the operation area;

[0037] 4) Computer simulation surgery: operate in Mimics and CAD software, measure the relevant parameters of the area to be resectioned, and draw the CAD appearance model of the resection area;

[0038] 5) Model re-verification: the CAD model is placed in the three-dimensional digital modeling model to verify the matching degree and accuracy; preferably, the inside of the CAD model is a whole-body porous structure, and the periphery of the CAD model is a human-...

Embodiment 2

[0044] Example 2 Method of using personalized prosthesis

[0045] The personalized prosthesis obtained by the above-mentioned manufacturing method of the personalized prosthesis.

[0046] The use method of the personalized prosthesis obtained by the above method includes the following steps:

[0047] 1) Implantation of prosthesis: After the tumor is removed and removed during the operation, it is verified again with the printed product and the appropriate type of prosthesis is selected;

[0048] 2) Screw placement: After the prosthesis is placed, the appropriate size screw is selected according to the preoperative measurement data, and the screw is placed along the preset needle insertion channel of the prosthesis.

Embodiment 3

[0049] Example 3 Application of Personalized Prosthesis

[0050] The personalized prosthesis obtained by the above method is a spinal prosthesis.

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Abstract

The invention discloses a personalized prosthesis and a making method and using method thereof. The making method comprises the steps of image acquisition, three-dimensional digital modeling, resin model establishment, computerized surgery simulation, model revalidation, internal fixation scheme making, prosthesis size formulation, personalized prosthesis parameter determination, prosthesis 3D printing and prosthesis cooling and cleaning. The personalized prosthesis obtained through 3D printing is especially suitable for spine, prosthesis design and simulation of reestablishment of a spine structure after excision can be conducted with a computer before operation, specific schemes can be made according to requirements of patients, and surgery precision and safety are improved.

Description

technical field [0001] The present invention relates to medical instruments, in particular to a personalized prosthesis and a method for making and using the same. Background technique [0002] In spinal surgery diseases, total vertebral body resection is often used to treat severe vertebral body damage caused by spinal tuberculosis, tumors, cysts, trauma and other diseases. Patients who undergo total vertebral body resection during surgery often need to reconstruct the structure of the spine and Biomechanical stability. [0003] However, traditional titanium cages and alternative materials are not individually designed for patients, and require clinicians to temporarily shape them according to intraoperative conditions, which are difficult to grasp in terms of surgical accuracy, operation time, intraoperative bleeding, and complications. [0004] On this basis, the present invention proposes a spinal prosthesis using personalized 3D printing, which can use a computer to de...

Claims

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Application Information

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IPC IPC(8): A61F2/44B33Y50/00A61L27/06
CPCA61F2/44A61L27/06B33Y50/00
Inventor 李鹏
Owner BEIJING ZHONGNUO HENGKANG BIOTECH
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