A TOOL FOR CUSTOM-MADE INSTRUMENTS AND IMPLANT FOR ARTIFICIAL KNEE JOINT OF DOGS

Title:

A TOOL FOR CUSTOM-MADE INSTRUMENTS AND IMPLANT FOR ARTIFICIAL KNEE JOINT OF DOGS

Document Type and Number:

WIPO Patent Application WO/2016/124209

Kind Code:

A4

Abstract:

Total knee replacement is the standard treatment for advanced knee osteoarthritis. An improved method of treating an osteochondral defect for knee osteoarthritis of dogs is provided, which is a composite tissue for treating or preventing a disease, disorder, or condition associated with an osteochondral defect with new technique. The new technique of custom made instruments and implants for dog and small animals is applied for different breeds of dogs regardless of their sizes and weights. The tool is a custom made instruments, which is based on capture of image based (CT or computed X-ray) to be transferred to electronic 3D model and apply 3D preoperative planning to design the tools are used to perform the knee surgery.

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Inventors:

HAFEZ MAHMOUD ALM EL DIN (EG)
SHAMAA ASHRAF (EG)
SALEM AHMED ABDEL MOGHNY (EG)
KASHIF RANIA (EG)
HASSAN ELHAM (EG)

Application Number:

PCT/EG2015/000004

Publication Date:

June 01, 2017

Filing Date:

February 08, 2015

Export Citation:

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Assignee:

HAFEZ MAHMOUD ALM EL DIN (EG)

International Classes:

A61F2/38; A61F2/00; A61F2/30

Download PDF:

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Claims:

AMENDED CLAIMS

received by the International Bureau on 19 April 2017 (19.04.2017)

Amended Claims

1- A tool for preparing an artificial knee joint for a dog and small animals while undergoing total knee arthroplasty (TKA) surgery.

2- A method of planning and complete virtual surgery of TKA leading to the production of the tool mentioned in claim one.

3 - The Tool according to claim (1), wherein the tool consists of two parts; a femoral part and a tibial part.

4- The Tool according to claim (1), wherein the tool is designed as a complete cutting guide that matches the surface of the bone.

5- The Tool according to claim (4), wherein surface matching of the device relies on protruding locating surface that match bony surfaces.

6- The Tool according to claim (1), wherein the technology is suitable for knee replacement for different breeds of dogs regardless of its sizes.

7- The Tool according to claim (1), wherein this technology does not need preoperative coupling with other surgical instruments such as drills or sleeves that are related to a particular company.

8- The Tool according to claim (1), wherein this technology can replace the conventional instruments for TKA such as intra-meduliary, extra- meduliary guides, sizing, rotation guides for both tibial and femur.

9- A femoral implant unlike previous implants does not extend to the trochlea.

10- The femoral implant according to claim (9), wherein the femoral implant has good anterior pegs and a central stem.

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