Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A method for the production of a biologically active prosthetic device for the reconstruction of bone tissue and the prosthetic device itself

A bioactive, bone tissue technology, used in tissue regeneration, prostheses, bone implants, etc., to solve the problems of shrinkage in size, unsatisfactory results, and difficulty in obtaining parts with specified shapes and sizes.

Active Publication Date: 2007-04-25
FIN CERAMICA FAENZA
View PDF1 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The fact that the prosthetic device to be replaced has been prepared with a shape and size custom-made for the patient's bone void makes the procedure quicker and easier, however there are difficulties in manufacturing a prosthetic device that has been shaped and sized for the patient's specific bone void, and Current techniques used to fabricate these devices do not yield satisfactory results when using the aforementioned bioceramic materials
[0012] More precisely, due to the inherent properties and porous structure of the aforementioned bioceramic materials, when using bioceramic materials to slip-cast replacement parts for bone voids, it is difficult to obtain parts with specified shapes and sizes
[0013] In particular, since the above-mentioned bioceramic materials change in shape and shrink in size after slip casting and firing, it is difficult to obtain a part that can accurately replace the bone void to be filled

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A method for the production of a biologically active prosthetic device for the reconstruction of bone tissue and the prosthetic device itself
  • A method for the production of a biologically active prosthetic device for the reconstruction of bone tissue and the prosthetic device itself

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] According to the present invention, the method of manufacturing a prosthetic device for reconstructing bone tissue basically comprises the following steps:

[0030] 1. Carry out CAT (computed axial tomography) scan to patient and generate CAT file, and this file has shown the three-dimensional electronic model 1 of the bone to be reconstructed and the part of bone loss 2 (Fig. 1 and 7);

[0031] 2. Based on the data obtained from the CAT (Computed Axial Tomography) scan of the patient and the CAT file, rapid main group (main) and interface software system controlled prototyping is used to generate a prototype of the patient's skeletal region involved Resin model 3 (Figures 2, 3 and 9), for example model 3 can be obtained using three-dimensional stereolithography;

[0032] 3. Use the resin prototype to make a model 4 of the patient's bone defect to be reconstructed (in calcium sulfate, resin or silicone rubber) using the slip casting technique;

[0033] 4. Use the slurr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
sizeaaaaaaaaaa
Login to View More

Abstract

The invention relates to a method for the production of a biologically active prosthetic device for the reconstruction of bone tissue, comprising the steps of: a CAT (Computerised Axial Tomography) scan of the patient and obtaining a three-dimensional electronic model (1) of the part of the bone and of a bone defect (2) to be reconstructed; production by prototyping of a prototype resin model (3) of the area of the patient's bone involved; forming of a model (4), of the patient's bone defect (2) to be reconstructed; construction of a negative mould (5); production of a ready sintered ceramic semi-finished product with controlled and interconnected porosity, said semi-finished product being made with dimensions and shape slightly larger than the bone defect (2); mechanical processing and manual finishing of the sintered semi-finished product, to obtain the precise dimensions and shape of the bone defect (2); the invention also relating to the prosthetic device obtained. <IMAGE>

Description

technical field [0001] The present invention relates to a method of manufacturing a bioactive prosthetic device for reconstructing bone tissue and the prosthetic device itself. [0002] More specifically, the method according to the invention consists in obtaining a custom-made prosthetic device identical to the bone defect or void in the patient to be filled, which device is manufactured from a bioactive material, that is to say, a Ca / P based ceramic composite ( Calcium phosphate materials, namely: stoichiometric hydroxyapatite; non-stoichiometric hydroxyapatite: carbonated hydroxyapatite (mainly type B); hydroxyapatite enriched in magnesium or fluoride or strontium or sodium ; magnesium-rich hydroxyapatite carbonate; 50%-50%, 70%-30%, 30%-70% hydroxyapatite / beta tricalcium phosphate; alpha-tricalcium phosphate (αTCP) ; β-tricalcium phosphate (βTCP); a mixture of α-tricalcium phosphate (αTCP) and β-tricalcium phosphate (βTCP)) having a predetermined and interconnected porous...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/28A61L27/12A61L27/56B29C67/00C04B35/447A61F2/00A61F2/30B28B7/34C04B38/00
CPCA61F2002/30968A61F2002/30957C04B2235/3201A61F2002/2825B29C67/0077B28B7/346C04B2235/445A61F2/2875A61L27/12C04B2235/6026A61F2002/30962A61F2310/00293A61F2002/30677A61F2/28A61L27/56A61F2002/3095C04B38/0064C04B2235/3206C04B2111/00181C04B2235/3212B28B1/001C04B35/447A61F2002/2817C04B2111/00836C04B2235/3213A61F2/30942A61L2430/02B29C64/153B33Y50/00B33Y80/00A61F2002/30948C04B38/0054C04B41/52
Inventor R·马丁内蒂A·纳塔洛尼A·贝尔帕西
Owner FIN CERAMICA FAENZA
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com