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Rapid Prototyping for Orthopedic Surgery - Acetabulum

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Information about Rapid Prototyping for Orthopedic Surgery - Acetabulum
Health & Medicine

Published on February 1, 2014

Author: VaibhavBagaria1

Source: slideshare.net

Description

The production of a copy of the fracture or a deformity in a bone with a complex geometry can be one of the important applications of the integration between two modern computer-based technologies, reverse engineering (RE) and rapid prototyping (RP).
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Rapid prototyping & acetabulum fractures Dr Vaibhav Bagaria MBBS, MS, FCPS Consultant Hip & Knee Surgeon CARE Hospital & ORIGYN Clinic, Nagpur Apollo Hosp, NCR Delhi

What is RP? Rapid Prototyping is a group of techniques that is used to quickly fabricate a scale model of a physical part or assembly using three dimensional computer aided design (CAD) data.

RP process Rapid Prototyping is a method in which the part is created by additive process. Using a specialized software (MIMICS), a 3-D CAD model is cut into very thin layers or cross-sections. RP machine constructs the part layer by layer until solid replica of the CAD model is generated. The model can then be used for various purpose – in our case for surgical simulation and implant instrument designing.

process flow

Step 1 CT SCAN Obtain DIACOM Files

Step 2: Image processing

Step III: Rapid Prototyping

Conventional Use

Orthopedic application Surgical simulation for complex fractures like acetabulum, Spine, Calcaneum, periarticular #. Planning osteotomy & deformity correction. Customized Prosthesis Design for revision and difficult case Patient Specific instrumentation for enhanced intraoperative accuracy & Ease. Modify Existing Prosthesis design to suit local needs

process flow

case example 25 year old male H/o RTA Acetabular fracture Assoc injury: Lower 1/3 radius #

ct scan

software

rP model

rp video QuickTime™ and a Motion JPEG OpenDML decompressor are needed to see this picture.

surgical simulation

operating procedure

post op ct scans

Advantages of RP Reduced the surgical time Better understanding of the Fracture configuration Decreased the requirement of anesthetic dosage Decreased intra-operative blood loss Helped to achieve near anatomical reduction

Joint replacement PSI

Joint replacement Bone e defects

Calcaneal Fractures

Spine deformity

Limitation Cost Time Infrastructure Operator dependant Preoperative effort

publications

book Chapter & patents

www.drbagaria.com

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