Preloaded Ocular Implant Insertion Apparatus with Sequence Lock
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Solution Overview
Problem
Existing ocular implant insertion apparatuses are prone to operator errors due to incorrect sequence usage of multiple moving structures, contamination, and improper loading of ocular implants, which can lead to clogged nozzles and damage to the implants during the insertion process.
Innovation Solution
A preloaded ocular implant insertion system with a lock mechanism that requires a specific sequence of operations, utilizing a first movable structure to fold the ocular implant and a second structure to push it through a nozzle, ensuring correct alignment and minimizing physical stress on the implant, thereby preventing incorrect sequence usage and ensuring proper loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If multiple moving structures are used to fold and move the ocular implant, then the ocular implant can be folded into a small state and moved through the nozzle, but the apparatus becomes susceptible to operator errors due to incorrect sequence usage
Solution Approach 1:
The apparatus is divided into multiple moving structures (first moving structure for folding, second moving structure for pushing) that operate in a predetermined sequence. Each structure is responsible for a specific function in the implant insertion process, allowing the implant to be folded into a small state while moving through the nozzle systematically.
Solution Approach 2:
The apparatus is preloaded with the ocular implant at the factory before use. The first moving structure is configured to automatically fold the implant into a predetermined shape and position it in a ready-to-insert state before the second moving structure pushes it through the nozzle, eliminating the need for operator intervention in the folding process.
2Volume of moving object
If the ocular implant is folded into a small state, then the incision size can be reduced and corneal astigmatism risk minimized, but the ocular implant may become damaged or the nozzle may become clogged
Solution Approach 1:
The moving structures are designed with specific local characteristics to handle the ocular implant gently. The first moving structure has folding surfaces configured to crease the implant in a predetermined direction without causing damage, while the second moving structure has a smooth pushing surface that guides the folded implant through the nozzle without clogging.
Solution Approach 2:
The moving structures act as intermediaries between the ocular implant and the external environment. They provide a controlled interface that protects the implant during folding and transmission, preventing direct contact with potentially harmful elements and ensuring smooth passage through the nozzle.
3Reliability
If the ocular implant is preloaded into the insertion apparatus, then operator error in loading is eliminated, but the apparatus requires a lock mechanism to prevent premature removal
Solution Approach 1:
The lock mechanism is integrated into the case structure, combining the protective housing function with the locking function. The case itself becomes part of the locking system, eliminating the need for a separate, complex locking apparatus while still preventing premature removal of the preloaded implant.
Solution Approach 2:
The lock mechanism is designed to automatically engage when the ocular implant is properly loaded into the insertion apparatus. The loading action itself triggers the locking mechanism, eliminating the need for separate locking operations and reducing overall system complexity.
Data Source
AI summary
An exemplary ocular implant insertion system includes a case and a preloaded ocular implant insertion apparatus. The apparatus includes first and second movable structures that move the ocular implant in a predetermined sequence. The respective configurations of the case and the ocular implant insertion apparatus are such that the ocular implant insertion apparatus is not removable from the case when the ocular implant insertion apparatus is in the pre-use state and is removable after the first movable structure has moved at least a portion of the optical implant.