Intraocular Lens Holder With Measurement Channels
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Solution Overview
Problem
Intraocular lenses face challenges during manufacturing, including particulate accumulation, damage from handling, and the need for precise optical and dimensional measurements, which require a holder that minimizes contact and provides unobstructed access while maintaining stability and allowing for measurement pathways.
Innovation Solution
A holder with an upper and lower member design that locks securely, featuring channels for unobstructed access and alignment, and conical bore structures to prevent bubble formation, enabling precise measurements and reducing handling-induced damage, and allowing the same holder to be used for both manufacturing and packaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the lens is held securely during manufacturing, then the lens stability is improved, but the access for optical and dimensional measurements is obstructed
Solution Approach 1:
The holder is divided into an upper member and a lower member that can be separated. The lower member contains the lens receiving cavity with measurement access features, while the upper member can be removed to allow unobstructed optical and dimensional measurements of the lens without compromising the stability provided by the lower member.
Solution Approach 2:
The lower member acts as an intermediary structure that provides both lens support and measurement access. It includes specifically designed openings and geometries that allow measurement tools to access the lens while the upper member maintains holding stability during manufacturing processes.
2Ease of manufacture
If the lens is handled frequently during manufacturing, then the manufacturing process is simplified, but the risk of particulate accumulation and lens damage increases
Solution Approach 1:
The same holder design is used for both manufacturing and packaging applications. The holder maintains the lens in a protected position throughout the entire process chain, eliminating the need to transfer the lens between different holders and thereby reducing handling frequency, particulate accumulation risk, and damage potential.
Solution Approach 2:
The lens is placed into the holder at the beginning of the manufacturing process and remains there throughout all subsequent operations. This preliminary positioning allows all manufacturing steps to be performed around the holder-lens assembly without requiring lens removal or repositioning, thereby minimizing exposure to harmful factors.
3Adaptability or versatility
If different holders are used for manufacturing and packaging, then each holder can be optimized for its specific function, but the transfer process increases damage risk and complexity
Solution Approach 1:
The holder is designed with multi-functional capabilities to serve both manufacturing and packaging purposes. The lower member provides a secure lens receiving cavity suitable for manufacturing operations, while the upper member can be configured for both process integration during manufacturing and protective packaging, eliminating the need for separate holders and simplifying the overall process.
Data Source
AI summary
A holder for an intraocular lens during the processing and packaging of the intraocular lens. The holder having an upper member having a base portion extending from the upper member along a first longitudinal axis. Additionally, the holder has a lower member having a receiving member defining a cavity for receiving the intraocular lens and a coupling member for engaging the base portion. The receiving member extending from the lower member along a second longitudinal axis and having at least one channel extending substantially through the receiving member that is substantially transverse to the second longitudinal axis. The holder has a locked position such that the upper and lower members are locked with respect to each other and at least one channel provides unobstructed access into the cavity of the receiving member for obtaining dimensional and optical measurements of the intraocular lens when the holder is in the locked position.