HMD Position Adjustment for Dental Implant Accuracy
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Solution Overview
Problem
Conventional dental implant treatments face challenges in achieving high accuracy due to reliance on the surgeon's hand skills and spatial perception, particularly in maintaining the ideal three-dimensional angle of a handpiece drill, which is difficult to achieve consistently due to human physiological limitations.
Innovation Solution
A head-mounted display device with a position adjustment unit that includes a movement module and a rotation module, allowing the display unit to be adjusted in position and angle relative to the user's eyes, ensuring accurate alignment and image recognition for different users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a head mounted display device is used to provide video guidance during dental implant treatment, then the accuracy of drilling direction and angle can be improved, but the device complexity increases due to the need for position adjustment mechanisms
Solution Approach 1:
The display unit is made dynamically adjustable through the position adjustment unit, which includes a movement module for changing distance and a rotation module for changing angle. This allows the display to adapt to different user positions and viewing requirements, resolving the contradiction by making the system flexible rather than fixed
Solution Approach 2:
The position adjustment unit serves multiple functions: it adjusts both the distance and angle of the display unit, and can accommodate different users with different physical characteristics. This multi-functionality reduces the need for multiple separate devices or complex customization mechanisms
2Adaptability or versatility
If the display unit position is fixed relative to the head mount unit, then the device complexity is reduced, but the adaptability to different users' eye positions deteriorates
Solution Approach 1:
The display unit transitions from a fixed position to a dynamically adjustable position through the position adjustment unit. This allows the system to adapt to different users and their unique eye positions while maintaining a relatively simple overall structure
Solution Approach 2:
The position adjustment functionality is segmented into two independent modules: a movement module for distance adjustment and a rotation module for angle adjustment. This segmentation allows each module to be optimized independently and simplifies the overall control mechanism
Data Source
AI summary
Disclosed is a head mounted display device. The head mounted display device includes a head mount unit wearable on a head of a user, a display unit supported on the head mount unit and sending an image to eyes of the user, and a position adjustment unit coupled to the head mount unit, connected to the display unit, and moving the display unit relative to the head mount unit such that a position of the display unit varies with respect to the eyes of the user.