Rolled Medical Sheet with Anchoring Elements for Tissue Closure
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Solution Overview
Problem
Minimally invasive surgery, particularly endoscopic suturing, is time-consuming and requires intense training due to the complexity of using conventional suture materials and techniques, which has limited its acceptance among surgeons, and existing automated methods are not effective due to patient-specific tissue structures.
Innovation Solution
A medical product with a partially rolled-up flat structure that can be expanded and anchored in tissue using anchoring elements, allowing for quick and simple closure of body tissue, eliminating the need for traditional suturing techniques by utilizing an applicator to apply the product in an unrolled state and then rolling up to secure the tissue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional suture materials and techniques are used for endoscopic suturing, then tissue closure can be achieved, but the procedure becomes time-consuming and requires intense training
Solution Approach 1:
The invention extracts the complex suturing process from traditional manual techniques and replaces it with a pre-formed medical product that can be applied as a single unit, eliminating the need for time-consuming needle and thread manipulation while maintaining effective tissue closure
Solution Approach 2:
The medical product acts as an intermediary device between the surgeon and the tissue, providing a simplified interface that requires minimal skill to operate while achieving reliable closure, thereby reducing both surgery time and training requirements
2Reliability
If conventional suture techniques are used, then tissue closure is achieved, but the complexity of the procedure limits acceptance among surgeons
Solution Approach 1:
The invention removes the complex manual suturing process entirely and replaces it with a pre-engineered medical product that achieves closure through its design rather than through complex surgical manipulation, thereby reducing procedure complexity while maintaining effectiveness
Solution Approach 2:
The medical product is designed as a disposable single-use item that eliminates the need for complex reusable suturing instruments and techniques, simplifying the procedure while ensuring reliability through consistent manufacturing quality
3Loss of time
If automated methods are used for tissue closure, then surgery time is reduced, but they fail to account for patient-specific tissue structures
Solution Approach 1:
The medical product incorporates anchoring elements with specific local properties that can engage with various tissue structures, providing adaptability to patient-specific anatomies while maintaining a simple automated application process that reduces surgery time
Solution Approach 2:
The product design allows for dynamic adaptation to different tissue structures through its anchoring mechanism, enabling a single automated device to effectively handle varied patient-specific anatomies without requiring multiple specialized tools
Data Source
Figure 1a~1d
Figure 2a~2b
AI summary
The invention relates to a medical product (10) comprising a flexible, at least partially rolled-up sheet (12) which can be transformed, preferably pre-tensioned, into an expanded or spread-out, in particular unrolled, state by at least partially releasing a rolling force, wherein the sheet (12) comprises anchoring elements (14) for anchoring in biological, in particular human or animal, tissue. The invention further relates to a medical kit.