Two-Way Mirror Display for Dental X-Ray Self-Positioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Dental x-ray image acquisition is challenging due to patient movement, leading to degraded image quality and increased anxiety, particularly for inexperienced operators and patients with communication barriers.
Innovation Solution
A dental x-ray image acquisition system utilizing a two-way mirror and electronic processor to guide patient positioning through real-time alignment feedback on a display, enhancing patient engagement and reducing positioning errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a dentist or dental technician manually positions the patient during x-ray image acquisition, then positioning expertise is required, but operator inexperience leads to positioning errors and degraded image quality
Solution Approach 1:
The system enables patients to self-position using visual feedback from the display screen showing their real-time image and alignment indicators. The patient autonomously adjusts their position based on on-screen guidance without requiring operator expertise, transforming a skill-dependent manual positioning task into a patient-driven self-positioning process.
Solution Approach 2:
The system provides real-time visual feedback by displaying the patient's image on a screen with alignment indicators that show whether the patient is correctly positioned. This continuous feedback loop allows the patient to see their position and make adjustments, eliminating the need for operator interpretation and expertise while ensuring accurate positioning.
2Measurement precision
If real-time visual feedback is provided to the patient during positioning, then patient self-positioning accuracy improves, but device complexity increases due to additional display and two-way mirror components
Solution Approach 1:
The two-way mirror serves as an intermediary that allows the display screen to show real-time visual feedback to the patient while maintaining a compact treatment table design. The mirror reflects the displayed image to the patient's field of view without requiring the display to be physically positioned where the patient can directly see it, thus adding functionality without proportionally increasing spatial complexity.
Solution Approach 2:
The system uses a two-way mirror to present visual feedback in a different spatial dimension - the display shows the image on one side of the mirror while the patient views the reflected image from the other side. This dimensional approach allows real-time feedback without requiring the display to be in the patient's direct line of sight, managing complexity through spatial arrangement.
3Reliability
If the patient is actively engaged in self-positioning, then patient-induced movement errors decrease, but the patient may feel isolated due to reduced human communication during positioning
Solution Approach 1:
The system provides continuous visual feedback showing the patient their real-time image and alignment status on the display. This objective feedback replaces subjective verbal instructions from the operator, giving the patient direct visual information about their positioning accuracy and reducing reliance on human communication while maintaining positioning reliability.
Solution Approach 2:
The display screen acts as an intermediary communication channel between the system and the patient, providing visual information that reduces the need for verbal communication. The mirror and display together create an information bridge that conveys positioning status without requiring the operator to continuously explain or guide the patient, thus reducing patient isolation while maintaining engagement.
4Measurement precision
If multiple image acquisitions are performed to compensate for positioning errors, then image quality may be improved, but productivity and throughput of the dental facility decrease
Solution Approach 1:
The system performs preliminary positioning guidance before the actual x-ray image acquisition by displaying the patient's image and alignment indicators in real-time. This preliminary visual feedback ensures correct positioning is achieved before the imaging process begins, preventing the need for repeated acquisitions and maximizing productivity while ensuring image quality.
Solution Approach 2:
Real-time visual feedback during the positioning phase allows immediate correction of positioning errors before image acquisition. By providing continuous alignment information to the patient, the system prevents positioning mistakes that would otherwise require costly repeated acquisitions, thus improving both image quality and throughput simultaneously.
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
Improves image quality, reduces the need for repeated acquisitions, and increases efficiency by ensuring precise patient positioning and reducing anxiety through self-positioning guidance, suitable for both inexperienced operators and patients with specific needs.
Implementation Method 1
a two-way mirror positioned in between a patient location and the display
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
Systems and methods utilizing a two-way mirror display for patient self-positioning for dental x-ray image acquisition. The system includes a camera configured to capture an image of a patient, a display, a two-way mirror positioned between a patient location and the display, and an electronic processor. The electronic processor is configured to select, based upon a user input, an operating mode for the display; and based upon the selected operating mode, displaying at least one image on the display. The method includes receiving image data from a camera, identifying at least one facial feature of the patient in the image data, determining if a face of the patient is aligned with at least one anatomical plane based upon the at least one facial feature, and displaying at least one movement guide on a display based upon the determined alignment of the face of the patient.