Head Imaging Alignment with Independent Headrest and Detector Movement
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Solution Overview
Problem
Existing CT devices face issues with the chair and headrest potentially colliding with the gantry during alignment, and require improved alignment between the headrest and the information detection unit.
Innovation Solution
A head image acquisition device where the information detection unit and headrest are connected to the base, allowing for independent movement relative to each other, facilitated by actuators and controllers to align without collision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the headrest is provided on the chair, then the subject can be positioned comfortably, but the headrest may contact the information detection unit during alignment
Solution Approach 1:
The system is divided into three independently movable components: the chair (with subject), the headrest, and the information detection unit. Each can move relative to the others, allowing independent adjustment to prevent contact while maintaining proper positioning.
Solution Approach 2:
The headrest is made movable relative to both the chair and the information detection unit, allowing dynamic adjustment during the alignment process. This dynamic capability enables the system to adapt positions to avoid contact while achieving proper alignment.
2Ease of operation
If additional alignment mechanisms (such as floodlights) are added, then alignment between headrest and information detection unit can be facilitated, but device complexity increases
Solution Approach 1:
The system uses the existing movable components (chair, headrest, information detection unit) to perform alignment through their relative movements. The components align themselves through coordinated motion without requiring separate alignment tools or mechanisms.
Data Source
AI summary
A head image acquisition device is a head image acquisition device for acquiring an image of a head of a subject in a sitting state and includes a chair for the subject to sit on, a base, an information detection unit including a detection unit that detects radiation from the subject, and a headrest to which the head of the subject is fixed. The information detection unit is connected to the base so that the information detection unit is movable relative to the base. The headrest is connected to one of the information detection unit and the base so that the headrest is movable relative to the one of the information detection unit and the base.