VR Headset Drive Mechanism for Sterile Field of View Management
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Solution Overview
Problem
Visualization devices, such as VR glasses and HMDs, used in medical surgeries or examinations face challenges with sterility and user comfort due to the need for manual adjustment, which compromises sterility and increases user fatigue, as they cannot be easily moved out of the user's field of view without contaminating the device or requiring sterile hands.
Innovation Solution
Incorporating a drive device that allows the optical display to be moved between an operating position within the user's field of view and a rest position outside it, controlled by an actuating device, which can be activated remotely or contact-free, maintaining sterility and reducing user fatigue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the visualization device is manually adjusted or moved out of the user's field of view, then the user can obtain a panoramic view or relieve stress, but the device becomes contaminated and sterility is compromised
Solution Approach 1:
The visualization device performs self-adjustment through the drive device actuated by the actuating device, eliminating the need for manual user adjustment. The system automatically moves the optical display device between operating and rest positions, maintaining sterility while providing user comfort benefits.
Solution Approach 2:
An intermediary actuating device is introduced between the user and the visualization device. This actuating device can be activated remotely or contact-free, serving as a mediator that allows position changes without direct contact with the visualization device, thus preserving sterility.
2Reliability
If the visualization device is kept on the user's head throughout the procedure, then sterility is maintained, but the user experiences fatigue and reduced field of view
Solution Approach 1:
The visualization device transitions from a static configuration to a dynamic one. The optical display device can be automatically moved between an operating position (within field of view) and a rest position (outside field of view), allowing the system to adapt to different operational needs while maintaining sterility.
Solution Approach 2:
The visualization device implements periodic movement between operating and rest positions. The drive device can be activated to move the optical display device to the rest position for periodic relief, and automatically return it to the operating position, creating a rhythmic cycle of service and recovery.
3Reliability
If the visualization device is packaged to maintain sterility, then contamination is prevented, but the device becomes difficult to adjust and move
Solution Approach 1:
The visualization device is divided into separable components: the optical display device, the bearing device, and the support device. This segmentation allows the optical display device to be independently moved and adjusted without compromising the sterility of the overall system, as each component can be positioned as needed.
Solution Approach 2:
Manual mechanical adjustment mechanisms are replaced with an automated drive device. The drive device, actuated by the actuating device, automatically positions the optical display device without requiring manual manipulation of the packaged device, thus maintaining sterility while enabling easy adjustment.
Data Source
AI summary
The invention relates to a visualization device (1), in particular a virtual reality (VR) headset or head mounted display (HMD) for transferring images of a microscopy device (100), comprising: a supporting device (2) for arranging the visualization device (1) on the head of a user, at least one mounting device (3) for mounting at least one optical display device (4) about a point of rotation on the supporting device (2), wherein there is at least one drive device (5) via which the at least one optical display device (4) on the at least one mounting device (3) is movable between an operating position (B) and a rest position (R), such that the at least one optical display device (4) can be fixed, in the operating position (B), in the field of view of the user and, in the rest position (R), outside of the field of view of the user, wherein the drive device (5) is attached in a region outside of the point of rotation of the mounting device (3) on the at least one display device (4).