Interchangeable Ophthalmic Excision Tip for Dual-Surgery Grip
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Solution Overview
Problem
Existing ophthalmic surgery instruments are limited in their applicability to specific types of surgeries, making it difficult to use a single instrument for both trabeculectomy and other ophthalmic procedures like cataract surgery.
Innovation Solution
A dual-use grip portion with separate passages for suction and perfusate supply, combined with a detachable excision member featuring a bent-shaped blade, allows for attachment of a tip end member for treating the eye in different surgeries, enabling the instrument to be used for both trabeculectomy and cataract surgery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single instrument is designed for specific ophthalmic surgery (trabeculectomy), then the surgical function is optimized, but the instrument cannot be used for other ophthalmic procedures
Solution Approach 1:
The instrument is divided into separate functional modules: a grip portion and a detachable tip end member. This segmentation allows the tip end member to be changed between surgeries while the grip portion remains constant, resolving the contradiction between versatility and structural simplicity.
Solution Approach 2:
The grip portion is designed with universal features including a through-hole passage for suction, a side-hole passage for perfusate supply, and a thread portion for attaching different tip end members. This universal design enables the same grip portion to be used across multiple ophthalmic procedures, achieving versatility without requiring complete instrument redesign.
2Productivity
If separate instruments are used for different ophthalmic surgeries, then each surgery has optimized instrumentation, but multiple instruments increase operational complexity and time
Solution Approach 1:
The grip portion serves multiple functions across different surgeries by allowing attachment of various tip end members. The consistent grip design maintains ease of operation while the interchangeable tips provide surgery-specific functionality, improving productivity without compromising operational simplicity.
Solution Approach 2:
The instrument configuration is made dynamic through the detachable connection between the grip portion and tip end member. This allows the instrument to be reconfigured between surgeries by simply detaching and reattaching different tip end members, enhancing productivity while maintaining ease of operation through a consistent grip interface.
3Adaptability or versatility
If a bent-shaped blade portion is integrated into the grip portion, then trabecular meshwork excision is enabled, but the instrument becomes specialized and cannot be used for other procedures
Solution Approach 1:
The bent-shaped blade portion is segregated into a separate tip end member rather than being integrated into the grip portion. This segmentation allows the blade to be manufactured as a specialized component while the grip portion maintains its simple, universal structure with through-hole and side-hole passages, resolving the contradiction between surgical capability and manufacturing simplicity.
Solution Approach 2:
The specialized bent-shaped blade portion is extracted from the grip portion and placed in a detachable tip end member. This extraction allows the grip portion to remain simple and universally manufacturable, while the blade functionality is provided by a separate component that can be attached only when needed for trabecular meshwork excision.
4Reliability
If multiple passages are formed in the grip portion for suction and perfusate supply, then surgical functionality is enhanced, but the structure becomes more complex
Solution Approach 1:
Multiple passage functions (suction and perfusate supply) are merged into a single grip portion structure. The through-hole passage and side-hole passage are integrated into the same component, allowing simultaneous or sequential use of both functions during surgery while maintaining a unified, manageable grip portion design.
Data Source
AI summary
Provided is an ophthalmic surgery instrument that allows an instrument suitable for excising a trabecular meshwork to be configured and allows a grip portion to be used for both first ophthalmic surgery such as trabeculectomy and second ophthalmic surgery. A first passage and a second passage for performing suction or supply of a perfusate are formed in a grip portion of an ophthalmic surgery instrument. An internal thread portion is formed at a tip end of the grip portion. A tip end member for first ophthalmic surgery has a single passage therein, and has a bent-shaped blade portion and an opening of the passage at a tip end thereof. The tip end member for first ophthalmic surgery and a tip end member for second ophthalmic surgery are selectively screwable to the internal thread portion.