Tissue Plication Apparatus with Traction and Ligation
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Solution Overview
Problem
Current medical interventions for forming plications in internal tissue, such as the stomach wall, face challenges in effectively creating and securing tissue folds from within the stomach, particularly in terms of tissue engagement, immobilization, and fixation.
Innovation Solution
An apparatus comprising a traction device for creating tissue protrusions, a ligating device for immobilizing and defining the plication, and a fixation device for securing the plication, which can be combined to facilitate the formation and stabilization of tissue folds within the stomach wall, using mechanisms like suction, mechanical engagement, and tissue-penetrating elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traction device is used to pull on wall tissue to create a protrusion, then the plication formation is enabled, but the risk of tissue injury increases
Solution Approach 1:
The patent introduces an intermediary device (the instrument with traction and ligation components) that mediates between the operator's actions and the tissue. This intermediary device allows controlled engagement and manipulation of the tissue wall, enabling plication formation while minimizing direct tissue injury through precise mechanical control and gradual tissue engagement.
2Manufacturing precision
If a ligating device is used to circumscribe and define the plication, then the plication is formed, but the complexity of the device increases
Solution Approach 1:
The patent merges the traction device and ligating device into a single integrated instrument. The traction device includes both a traction element for pulling tissue and a ligating element for circumscribing the plication, allowing both functions to be performed with one device. This integration reduces overall device complexity while maintaining precise control over plication formation.
3Stability of the object's composition
If a fixation device is used to secure the plication, then the plication is stabilized, but the risk of fixation element breakage increases
Solution Approach 1:
The patent employs fixation elements that can change their physical parameters in response to tissue conditions. The fixation elements are designed to adapt to varying tissue thicknesses and densities, adjusting their engagement characteristics accordingly. This parameter adaptability allows stable plication fixation while reducing the risk of breakage under different tissue conditions.
4Adaptability or versatility
If the apparatus is designed to accommodate varying tissue thicknesses, then the versatility is improved, but the device complexity increases
Solution Approach 1:
The patent incorporates dynamic, adjustable components in the apparatus that can adapt to varying tissue thicknesses. The traction and ligation elements can be adjusted or repositioned to accommodate different tissue depths and configurations. This dynamic adaptability allows the same apparatus to handle various tissue thicknesses without requiring multiple specialized devices.
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 reliable and efficient formation of plications in internal tissue, allowing for secure anchoring and reducing the risk of tissue injury or fixation element breakage, while accommodating varying tissue thicknesses and muscular contractions.
Implementation Method 1
The traction device may comprise a suction or aspiration device for pulling on wall tissue by application of negative pressure
Data Source
AI summary
Apparatus (10) for forming a plication (64) in a wall of internal tissue of a patient. The apparatus (10) comprises an elongated instrument (11) for insertion into a patient close to the tissue wall, optionally through a natural body opening. The apparatus (10) comprises one or more of (a) a traction device (20) configured to engage tissue of the wall and to pull on tissue of the wall to create a protrusion of wall tissue; (b) a ligating device (30) configured to at least partially circumscribe the or a protrusion in tissue of the wall to form the plication (64) in the tissue wall; (c) a fixation device (40) for fixing the plication (64) in the tissue wall.