Elastic Capsulotomy Guide Device for Precise Lens Implantation
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Solution Overview
Problem
Current cataract surgery methods face challenges in achieving a perfectly circular and sized anterior capsulotomy, which is crucial for successful implantation of artificial lenses, due to variability in patient anatomy and reliance on surgical experience, leading to potential complications and additional surgeries.
Innovation Solution
An anterior capsulotomy guide device with a ring-shaped, elastically deformable body featuring a cut portion and open loop design, allowing precise insertion and maintenance of shape and size during surgery, utilizing a polymeric material with a luminous coating for visibility and grip features for tool assistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If anterior capsulotomy is performed based on surgeon experience and patient anatomy estimation, then surgical flexibility is maintained, but manufacturing precision of capsulotomy shape and size deteriorates
Solution Approach 1:
The patent introduces an anterior capsulotomy guide device as an intermediary tool between the surgeon's intent and the actual capsulotomy procedure. This guide device, with its predetermined circular shape and size, serves as a physical template that ensures precise capsulotomy geometry while allowing the surgeon to easily position and operate with it, thus resolving the contradiction between surgical flexibility and manufacturing precision
Solution Approach 2:
The guide device is designed with pre-determined optimal dimensions and circular geometry established before surgery. By preparing the guide with precise specifications in advance, the need for real-time precision control during surgery is eliminated, allowing surgeons to focus on proper positioning while the pre-fabricated guide ensures accurate capsulotomy shape and size
2Ease of operation
If capsulotomy size is made larger to accommodate artificial lens, then lens implantation is facilitated, but harmful factors increase due to potential dislocation and iridentropium
Solution Approach 1:
The guide device incorporates specific dimensional parameters (diameter slightly larger than optical unit) that are optimized to balance lens implantation ease with prevention of complications. By carefully controlling the size parameter of the guide, the patent achieves the optimal capsulotomy dimensions that facilitate lens insertion while minimizing risks of dislocation and iridentropium
3Manufacturing precision
If capsulotomy size is made smaller to maintain precision, then shape control is improved, but harmful factors increase due to capsule shrinking and clouding
Solution Approach 1:
The guide device is designed with a minimum size parameter that prevents capsule shrinking and clouding while maintaining precise circular shape control. The predetermined dimensions ensure the capsulotomy is large enough to prevent these complications but still maintains the precision needed for proper lens alignment and positioning
4Adaptability or versatility
If non-circular capsulotomy is performed due to anatomical variability, then adaptability to patient anatomy is improved, but reliability of surgical outcome deteriorates
Solution Approach 1:
The guide device employs a symmetric circular design that overrides anatomical asymmetries and variabilities. By imposing this standardized circular geometry on the capsulotomy, the patent ensures reliable surgical outcomes regardless of individual patient anatomical differences, while the guide itself can be positioned to adapt to the specific surgical site
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 precise and consistent anterior capsulotomy, reducing surgical complications and the need for additional procedures by ensuring accurate capsulotomy size and shape, thereby enhancing the success of cataract surgery and maintaining optimal eyesight post-operation.
Implementation Method 1
a ring-shaped body (10), in which a cut portion (12) is formed by cutting a part of the body (10)... The body may be made of an elastically deformable material
Data Source
AI summary
The present invention relates to an anterior capsulotomy guide device for cataract surgery. The present invention relates to an anterior capsulotomy guide device for cataract surgery which is temporarily inserted for anterior capsulotomy during cataract surgery, wherein the anterior capsulotomy guide device comprises a ring-shaped body, and a cut portion is formed by cutting a part of the body. According to the present invention, it is possible to carry out anterior capsulotomy with precise size and shape during cataract surgery, thereby maximizing the effect of cataract surgery.