Repositionable Endoscopic Clip With Visible Symmetric Jaw Deployment
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Solution Overview
Problem
Current endoscopic closure devices, particularly over-the-scope clips, are difficult to use, time-consuming, and insufficient for certain perforations or anatomies, as they are deployed without visibility and cannot be repositioned once deployed.
Innovation Solution
A clipping system with a clip and adapter that allows for visible and adjustable deployment, featuring a clip with movable jaws and pull wires, enabling the clip to be moved between insertion, initial deployed, and review positions, allowing for repositioning before final deployment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If current over-the-scope clips are deployed without visibility, then the deployment process is simpler, but the placement precision and ability to verify proper positioning are insufficient
Solution Approach 1:
The patent implements feedback by enabling the operator to visually observe the clip during deployment through the endoscope. The clip is designed with features that make it visible within the lumen, allowing real-time verification of positioning before final deployment, thus improving placement precision while maintaining manageable complexity through visual feedback loops
2Adaptability or versatility
If current over-the-scope clips are deployed in a fixed position, then the deployment process is faster, but the ability to reposition or adjust the clip is lost
Solution Approach 1:
The patent applies dynamics by designing the clip deployment mechanism to transition from a static, fixed-position deployment to a dynamic, adjustable process. The clip can be deployed, visualized, and then repositioned by advancing or retracting the delivery catheter, allowing the operator to adjust positioning while maintaining procedural efficiency through controlled dynamic adjustment
3Ease of operation
If the clip structure includes multiple movable components for adjustment, then the ease of operation and repositioning improve, but the device complexity increases
Solution Approach 1:
The patent employs nesting by placing the adjustable clip mechanism within a delivery catheter system. The clip, with its movable jaws and articulation features, is nested within the catheter lumen, allowing complex adjustment capabilities to be housed within a relatively simple delivery system that can be advanced through the endoscope, thus improving ease of operation while containing structural complexity within modular components
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise placement of the clip over target tissue by allowing visualization and adjustment before final deployment, reducing the risk of improper placement and improving operational efficiency.
Implementation Method 1
each of the first and second hinges are connected to the proximal ends of a corresponding one of the first and second pairs of arms via a waisted portion formed via inwardly bent portions of the single piece of material
Data Source
AI summary
A clipping system includes an adapter and a clip. The proximal portion of the adapter extends along a first longitudinal axis. The distal portion of the adapter includes a cylinder extending along a second longitudinal axis that extends substantially perpendicular relative to the first axis. The clip includes first and second pairs of arms and first and second jaws. Proximal ends of the first arms are connected via a first hinge. Proximal ends of the second arms are connected via a second hinge. The first jaw extends between distal ends of a first one of the first arms and a first one of the second arms. The second jaw extends between distal ends of a second one of the first arms and a second one of the second arms so that the jaws are movable relative to one another between open and closed configurations.