3D Anatomical Prosthesis Modeling From Pre- and Post-Surgery Scans
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Solution Overview
Problem
Existing prosthetic solutions for anatomical parts, particularly breast prostheses, fail to accurately replicate the patient's pre-surgery morphology due to reliance on standard sizes and shapes, leading to psychological and physical discomfort for patients.
Innovation Solution
A method utilizing 3D digitization, computer-aided design, and 3D printing to create personalized anatomical prostheses by combining pre- and post-surgery scans, incorporating colorimetric, photographic, and tomographic data to replicate the exact shape, density, and appearance of the removed anatomical part.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If standard prostheses with predetermined sizes and shapes are used, then manufacturing cost and availability are improved, but accuracy in replicating patient's original morphology deteriorates
Solution Approach 1:
The patent uses 3D scanning technology to create a digital copy of the patient's original anatomical part before surgery. This digital model is then used to manufacture a customized prosthesis that exactly replicates the original morphology, replacing the need for standard-sized prostheses while maintaining manufacturing feasibility through digital fabrication processes.
Solution Approach 2:
The patent transforms the manufacturing approach by changing from fixed standard parameters to variable customized parameters. The 3D scan captures precise geometric parameters of the patient's unique anatomy, allowing the prosthesis to be manufactured with specific dimensions, shapes, and features tailored to individual patients rather than using generic standard sizes.
2Manufacturing precision
If 3D digitization and personalized design are implemented, then accuracy in replicating patient's original morphology is improved, but device complexity and production process complexity deteriorates
Solution Approach 1:
The patent replaces traditional mechanical measurement and manual modeling processes with 3D digital scanning and computer-aided design systems. This substitution of mechanical/manual methods with digital technologies simplifies the overall process by automating the capture and replication of anatomical geometry, reducing the complexity burden despite the advanced technology used.
Solution Approach 2:
The patent introduces a digital 3D model as an intermediary between the patient's anatomy and the final prosthesis. This digital intermediate representation captures all necessary geometric information and serves as the basis for manufacturing, simplifying the transition from physical anatomy to manufactured product by providing a precise digital bridge.
3Manufacturing precision
If pre- and post-surgery scans are combined to create digital volume representation, then accuracy of prosthesis reproduction is improved, but measurement precision requirements and data processing complexity deteriorates
Solution Approach 1:
The patent merges pre-surgery and post-surgery 3D scans into a single integrated digital volume representation. By combining these two scan datasets, the system captures both the original anatomical structure and the surgical changes, enabling accurate reproduction of the prosthesis while distributing the measurement precision requirements across multiple scans rather than requiring single-perfect scans.
Data Source
AI summary
The invention relates to a method of producing an anatomical prosthesis made of flexible synthetic material by computer-aided three-dimensional design on the basis of a first digital volumetric scanscan obtained by three-dimensional digitisation performed by three-dimensional surface scanning of an envelope of the volume of a part of the body of a patient before ablation of an anatomical part to be replaced by the anatomical prosthesis, and of a second digital volumetric scan obtained by three-dimensional digitisation carried out by the same technique of the same part of the body of the patient after ablationablation of the anatomical part to be replaced by the anatomical prosthesisablation. In the method for producing an anatomical prosthesis, a digital volumetric representation of an envelope of the volume of the anatomical prosthesis is obtained from the superposition of the first and second digital volumetric scans in order to reproduce identically an envelope of the anatomical part to be replaced by said anatomical prosthesis.