Stereoscopic Camera Head Layout for Multi-Angle Ophthalmic Imaging
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Solution Overview
Problem
Existing surgical microscopes and loupes are cumbersome, restrictive, and require surgeons to adopt unnatural viewing positions, limiting mobility and comfort during microsurgery, while traditional techniques for achieving different viewing angles can cause patient trauma and are costly to maintain.
Innovation Solution
An ophthalmic imaging apparatus with multiple stereoscopic camera heads mounted in different orbital positions and fixed magnification levels, allowing simultaneous display of multiple viewing angles and magnification levels on monitors, eliminating the need for moving parts and reducing surgical disruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If surgical loupes with magnifying lenses and light sources are used, then magnification capability is improved, but weight increases causing surgeon discomfort and fatigue
Solution Approach 1:
The imaging system is divided into multiple separate camera heads positioned at different orbital locations, each providing specific viewing angles. This segmentation allows the heavy imaging equipment to be distributed and mounted on the surgical microscope rather than carried by the surgeon, eliminating weight-related discomfort while maintaining magnification capabilities.
2Measurement precision
If surgical microscopes with large optical paths and lenses are used, then magnification capability is improved, but the device consumes considerable operating space above the patient
Solution Approach 1:
The system transitions from a single vertical optical path to multiple orbital positions arranged in a three-dimensional space around the surgical site. Camera heads are positioned at various orbital locations (e.g., 12 o'clock, 3 o'clock, 6 o'clock positions) to capture images from different angles, effectively utilizing spatial dimensions to provide multiple viewing perspectives without requiring additional vertical space above the patient.
3Ease of operation
If a single camera head is used to minimize device complexity, then ease of operation is improved, but the ability to provide multiple viewing angles is reduced
Solution Approach 1:
Each camera head is designed with universal functionality to capture stereoscopic images at its specific orbital position. The system uses multiple camera heads (e.g., first camera head at 12 o'clock position, second camera head at 3 o'clock position) where each unit performs the same imaging function but from different angles, providing versatile multi-angle viewing capability while maintaining operational simplicity through standardized camera head designs.
Data Source
AI summary
This disclosure provides techniques and apparatuses for displaying stereoscopic video data associated with different viewing angles of a target surgical site. An example ophthalmic imaging apparatus includes a first camera head mounted in a first orbital position above a target surgical site associated with an eye of a patient, wherein the first camera head includes at least one stereoscopic lens set providing a first viewing angle of the target surgical site. Additionally, the ophthalmic imaging apparatus includes at least a second camera head mounted in a second orbital position above the target surgical site, wherein the second camera head includes at least one additional stereoscopic lens set providing a second viewing angle of the target surgical site different from the first viewing angle of the target surgical site.