Steerable Clip Adapter for Repositionable Endoscopic Tissue Closure
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Solution Overview
Problem
Current endoscopic closure devices, particularly over-the-scope clips, are difficult to use, time-consuming, and often incapable of repositioning once deployed, making them insufficient for certain perforations and anatomies.
Innovation Solution
A clipping system with an adapter steerable via steering members, a clip with movable jaws, and control wires that allow for visual confirmation and adjustment of clip placement before final deployment, enabling repositioning and enhanced visibility during the procedure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current over-the-scope clips are used for tissue closure, then closure of larger tissue defects can be achieved, but the clips are difficult to use, time consuming to position, and incapable of being repositioned once deployed
Solution Approach 1:
The clip system transitions from a static, fixed-position design to a dynamic, repositionable design. The control wire mechanism allows the clip to be moved between deployed and repositioned states, enabling adjustment of clip position after initial deployment while maintaining secure tissue grasping capability.
Solution Approach 2:
A control wire is introduced as an intermediary element between the operator and the clip. This control wire transmits force to the clip, enabling remote manipulation and repositioning of the clip after deployment without requiring direct contact with the clip itself, thus improving ease of operation.
2Measurement precision
If current over-the-scope clips are deployed without visible confirmation, then the clipping procedure can be completed, but the operator cannot see the clip itself until it is deployed, reducing precision
Solution Approach 1:
The system incorporates visual feedback by allowing the operator to observe the clip's position and status through the endoscope before final deployment. The control wire mechanism provides continuous visual confirmation of clip location and tissue grasping, enabling precise placement adjustments while maintaining procedural completion.
3Productivity
If the clip is deployed immediately without review configuration, then the procedure is faster, but visual observation of the clip is limited, reducing accuracy
Solution Approach 1:
The system performs preliminary actions by allowing the clip to be positioned and visually reviewed in a review configuration before final deployment. This preliminary positioning and observation phase ensures accurate clip placement, after which the clip can be quickly deployed to complete the procedure efficiently.
Data Source
AI summary
A clipping system for treating tissue including an adapter, a clip, an extending member and a control wire. The adapter couplable to an insertion device via steering members. The steering members extend alongside the insertion device and connect to the adapter to steer the adapter between a first position and a second position. The clip mounted over the adapter. The clip includes first and second jaws connected to one another and movable between an insertion configuration and an initial deployed configuration. The extending member slidably received within one of the steering members. The control wire slidably received within the extending member and extends through the first jaw such that simultaneous longitudinal movement of the control wire and the extending member relative to the adapter moves the clip between the insertion configuration, the initial deployed configuration, and a review configuration in which the clip is separated from the adapter.