Reversible Tissue Lock Mechanism With Catheter Rod Actuation
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Solution Overview
Problem
Conventional lock delivery systems for use in tissues are difficult to use and not reversible, making it challenging to securely position and adjust locking mechanisms within tissues.
Innovation Solution
A reversible lock delivery system comprising a lock mechanism with a casing, first and second bodies pivotable about respective pivot points, and a lock delivery catheter with a pushable rod to move the lock mechanism between unlocked and locked configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional lock mechanism is secured in position, then the lock is stable and secure, but it cannot be moved or adjusted
Solution Approach 1:
The lock mechanism transitions from a static, fixed state to a dynamic, adjustable state through the introduction of the pushable rod and actuating arms. The first and second bodies are designed to be movable relative to each other, allowing the lock to switch between locked and unlocked configurations. This dynamic design enables the lock to be adjusted or removed after initial securing, resolving the contradiction between stability and adaptability.
2Ease of operation
If a lock mechanism is designed to be reversible and adjustable, then it is more versatile and easier to use, but the device complexity increases
Solution Approach 1:
The pushable rod serves as an intermediary component that simplifies the operation of the reversible lock mechanism. By introducing this single actuating element, the complex interaction between the first and second bodies is controlled through a simple push motion. The rod transfers force efficiently to the actuating arms, enabling easy switching between locked and unlocked states without requiring complex control systems.
3Adaptability or versatility
If the first and second bodies are arranged spaced-apart in the casing, then the lock mechanism can pivot between configurations, but the device occupies more space
Solution Approach 1:
The first and second bodies are nested within the same casing, with their pivot points secured to the bottom case. The spaced-apart arrangement allows for pivoting motion while maintaining a compact overall structure. The actuating arms and gripping portions are positioned to utilize the available space efficiently, enabling configurability without excessive volume increase.
Data Source
AI summary
A lock delivery system is disclosed. The lock mechanism is reversible between an unlocked configuration and a locked configuration. The lock mechanism may comprise a casing, and a first body and a second body arranged spaced-apart in the casing. The first body may comprise a first gripping portion extending to a first actuating arm, and a first spring arranged spaced-apart from the first actuating arm. The second body may comprise a second gripping portion extending to a second actuating arm, and a second spring arranged spaced-apart from the second actuating arm. The first and second bodies are each pivotable about a respective first pivot point and second pivot point so as to move the lock mechanism between an unlocked configuration and a locked configuration. A lock delivery catheter may be used as a means to move the lock mechanism between the unlocked configuration and the locked configuration.