Stereoscopic Microscope Jig for Augmented Reality Depth Perception
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Solution Overview
Problem
Current ophthalmic surgical procedures lack effective methods for providing a three-dimensional visualization during minimally invasive surgeries, which can hinder the precision and accuracy of surgeons.
Innovation Solution
A system comprising two optical assemblies mounted on stereoscopic microscope eyepieces, alternately directing and sensing light beams of different wavelengths to create stereoscopic images displayed on a head-mounted display, providing a three-dimensional effect by overlaying infrared and visible images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional 2D imaging is used in ophthalmic surgery, then the device complexity is low, but the depth perception and spatial awareness for surgeons are insufficient
Solution Approach 1:
The patent transitions from 2D imaging to 3D stereoscopic imaging by adding a temporal dimension through alternating light beam switching. Two optical assemblies capture images from slightly different angles, and the alternating display creates a stereoscopic effect that provides depth perception without significantly increasing spatial complexity
Solution Approach 2:
The system uses periodic action by alternating the switching between two optical assemblies at different time intervals. The first optical assembly directs a first light beam during a first time interval, while the second optical assembly directs a second light beam during a second time interval, creating temporal multiplexing that enables 3D visualization without requiring all components to operate simultaneously
2Measurement precision
If multiple light beams are used simultaneously, then the image quality and depth perception improve, but the energy consumption and system complexity increase
Solution Approach 1:
The patent implements periodic action by alternating the operation of two optical assemblies in time-separated intervals. The first optical assembly operates during a first time interval to direct a first light beam, while the second optical assembly operates during a second time interval to direct a second light beam. This temporal multiplexing allows the system to achieve enhanced image quality through multiple light beams without requiring all beams to be active simultaneously, thereby reducing overall energy consumption
Solution Approach 2:
The system employs dynamics by making the optical assemblies switchable and time-variable rather than static and continuous. The processor dynamically controls which optical assembly is active at any given moment, allowing the system to adapt energy consumption to the actual imaging needs while maintaining high image quality through the alternating use of multiple light beams
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
Enhances the precision of ophthalmic surgical procedures by providing a controllable stereoscopic image, improving visualization and depth perception for surgeons, thereby improving surgical outcomes.
Implementation Method 1
a first image sensor, configured to sense a first reflected light beam (RLB), which is reflected from the organ through the SM
Implementation Method 2
a second image sensor, configured to sense a second RLB, which is reflected from the organ through the SM
Implementation Method 3
providing a three-dimensional effect by overlaying infrared and visible images
Data Source
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AI summary
A system includes a first optical assembly (OA), a second OA and a processor. The first OA and second OA each coupled with a first and second microscope eyepiece, respectively. Each first and second OAs including a light source, configured to direct an emitted light beam (ELB) through the microscope toward an organ, and an image sensor, configured to sense a reflected light beam (RLB), which is reflected from the organ through the microscope, and to produce a signal indicative of the RLB. The processor is configured to control the first and second OAs to alternately direct the ELB and sense the RLB at first and second time intervals, and alternately display on a first display, during the first time intervals, images based on the signal from the first OA, and display on a second display, during the second time intervals, images based on the signal from the second OA.