Heart Prosthesis Information Markers for Valve-in-Valve Selection
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Solution Overview
Problem
Conventional heart valve replacement surgeries are highly invasive and pose significant risks, while minimally invasive techniques rely on frictional engagement and lack precise selection of replacement valves based on original prostheses, necessitating improved methods for selecting compatible replacement valves.
Innovation Solution
Incorporation of information markers on heart prostheses that provide details such as manufacturer, type, model, size, and date, enabling precise selection and positioning of replacement prosthetic heart valves using clinical imaging techniques.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If percutaneous delivery techniques are used for heart valve replacement, then invasive procedures are reduced, but precise selection of replacement valves based on original prostheses becomes difficult
Solution Approach 1:
The patent uses radiopaque markers with distinct patterns, shapes, or colors that can be detected by imaging techniques to identify specific prosthesis characteristics. These visual markers enable clinicians to read prosthesis information non-invasively through imaging, resolving the contradiction between reduced invasiveness and loss of identification information.
Solution Approach 2:
The patent introduces radiopaque markers as intermediary elements that carry prosthesis information and can be detected by imaging systems. These markers act as a bridge between the physical prosthesis and the clinician's ability to identify it, enabling information retrieval without invasive procedures.
2Measurement precision
If conventional open-heart surgery is used for valve replacement, then precise selection and positioning of replacement valves is achieved, but patient risk and invasiveness increase
Solution Approach 1:
The patent replaces the mechanical/open surgical approach with an imaging-based detection system. Radiopaque markers enable precise prosthesis identification and selection through non-invasive imaging techniques, eliminating the need for open-heart surgery while maintaining measurement precision.
3Device complexity
If frictional engagement is used to maintain prosthesis position, then surgical complexity is reduced, but reliable positioning and selection of replacement valves becomes difficult
Solution Approach 1:
The patent incorporates detectable markers that provide feedback about prosthesis characteristics and positioning status. Imaging systems can detect these markers to verify correct prosthesis placement and identify characteristics, enabling reliable positioning without increasing surgical complexity.
Data Source
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AI summary
A heart prosthesis that includes at least one information marker and methods of using the heart prosthesis are disclosed. The at least one information marker can indicate any suitable information associated with the heart prosthesis, e.g., one or more of a manufacturer, type, model, feature, size, and date. And the heart prosthesis can include any suitable prosthesis, e.g., a prosthetic heart valve or an annuloplasty prosthesis.