Energy Treatment Tool With Protrusion-Recess Jaw Alignment
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Solution Overview
Problem
Existing medical equipment with gripping pieces experience wobble and misalignment due to coupling mechanisms, leading to inefficiencies and reduced gripping force, particularly in energy treatment tools where precise alignment is crucial.
Innovation Solution
An energy treatment tool with a movable member on one gripping piece and alignment parts on both pieces to align gripping surfaces in multiple directions, ensuring precise overlap and maintaining power transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a pair of gripping pieces are coupled by a link to enable opening and closing motion, then the gripping tool gains mobility and functionality, but wobble and misalignment occur between the gripping pieces
Solution Approach 1:
The alignment part (protrusion and recess combination) is designed to preliminarily establish the correct relative position between the first and second gripping pieces before the energy treatment function is activated. This preliminary positioning action prevents misalignment during the gripping and treatment process, resolving the contradiction between mobility and precision.
2Manufacturing precision
If positioning parts are added to prevent misalignment between gripping pieces, then alignment precision is improved, but device complexity increases
Solution Approach 1:
The alignment part is merged with the gripping pieces themselves rather than being a separate component. The protrusion is formed on one gripping piece and the corresponding recess on the other, integrating the positioning function into the gripping pieces' structure. This reduces device complexity while maintaining alignment precision.
3Manufacturing precision
If the alignment part is provided on the treatment surface, then alignment precision is maximized, but tissue interference occurs
Solution Approach 1:
The alignment part is strategically positioned on the gripping pieces at locations that do not coincide with the treatment surface areas. This local differentiation ensures that the alignment function is fulfilled without the protrusion or recess interfering with the living tissue during energy treatment, resolving the contradiction between precision and tissue safety.
Data Source
AI summary
An energy treatment tool includes: a first gripping piece and second gripping piece that are coupled so as to be relatively opened and closed, the first and second gripping pieces respectively having a first gripping surface and a second gripping surface that are opposed to each other in a closed state and treating, by energy, living tissue gripped between the first and second gripping surfaces; and an alignment part that is provided on the first and second gripping pieces and that aligns the first and second gripping surfaces with each other in a process of closing the first and second gripping pieces, wherein at least one of the first and second gripping surfaces includes a treatment surface that emits energy, and the alignment part is provided at a position other than the treatment surface.