Ophthalmic Access Tool with Guidance Tracks
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Solution Overview
Problem
Current medical and surgical ophthalmological tools lack standardization for accessing the eye, leading to high damage potential and complications due to variable techniques and anatomical differences across age groups and species, with existing devices limited in design and scope, failing to support intraocular access for procedures beyond simple injections.
Innovation Solution
A surgical multipurpose device with pre-designed guidance tracks and port systems for standardized access, accommodating different surgical applications and age groups, including adjustable rail systems and accessory attachments for various surgical maneuvers, and supporting manual, automatic, or remote instrument manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single entry port at 3.5 mm from the limbus is used for injection, then injection administration is facilitated, but intraocular access for other procedures (withdrawal, sampling, pressure alteration) is not supported
Solution Approach 1:
The device provides multiple entry ports at different distances from the limbus (including 3.5 mm and other variable distances) with corresponding guidance tracks, enabling a single device to perform multiple functions: injection administration, withdrawal of contents, sampling for testing, and pressure alteration, thereby resolving the contradiction between ease of injection and versatility of access
2Ease of operation
If variable distance and angle measurement is used for surgical incision, then operator flexibility is improved, but standardization is lost leading to high damage potential
Solution Approach 1:
The device incorporates pre-set guidance tracks at specific distances (e.g., 3.5 mm) and angles from the limbus, allowing operators to simply select and follow the appropriate track for their procedure. This preliminary configuration of safe parameters eliminates the need for complex variable measurements during surgery, maintaining operator flexibility while ensuring standardized, safe access that prevents damage
3Adaptability or versatility
If manual measurement and incision technique is used, then operator skill and experience determine outcomes, but this creates high risk due to human variables
Solution Approach 1:
The device acts as an intermediary between the operator and the eye, providing physical guidance tracks and port positions that standardize the access procedure. The device mediates the interaction by constraining the incision to pre-determined safe parameters, thereby reducing the impact of human variables such as skill level, experience, and fatigue while maintaining the ability to adapt to different surgical needs
4Device complexity
If a single fixed entry port is used, then device simplicity is maintained, but adaptability to various eye conditions and age groups is lost
Solution Approach 1:
The device is segmented into multiple entry ports positioned at different distances from the limbus (e.g., 3.5 mm and other variable distances), each with its own guidance track. This segmentation allows the device to accommodate various eye conditions, age groups, and surgical procedures without requiring a completely different device, thereby increasing adaptability while maintaining reasonable structural simplicity
Data Source
AI summary
A surgical ophthalmic intra ocular access tool comprising a platform having a walled structure with central space(s), that is placed on the surface of the eye; a set or more of track(s) with entry and exit port(s) travelling within the wall(s) at a certain angle and length; a needle hub receiver(s) that allows universal attachment of any injecting device(s) with an opening to the bottom of the surgical ophthalmic intra ocular access tool; a projecting marker(s) on one or more sides; a set of repeated projections from the underside of the surgical ophthalmic intra ocular access tool to facilitate gripping to the eye tissue underneath; a rail like system outlining the inner as well as the outer walls, allowing multiple accessory(s) to be attached to either rail to facilitate surgical intervention(s) and predesigned holes at lower edge of said surgical ophthalmic intra ocular access tool in contact with eye wall(s) allowing for suturing in order to obtain secure attachment(s) or augmented wall(s) support.