Portable X-Ray Grid Cabinet With Adjustable Rail and Rotating Holder
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Solution Overview
Problem
Existing x-ray grid cabinets are cumbersome and difficult to transport, especially when handling different sized grids, as they are typically heavy and fragile, and lack adjustable positioning for radiographic imaging.
Innovation Solution
A portable x-ray grid cabinet with a vertical structure attached to a flat base and wheels that can tilt for easy transport, featuring a support plate that moves vertically on rails and a rotating bearing for horizontal to vertical configuration, allowing for adjustable positioning and telescoping capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a traditional x-ray grid cabinet is used, then the grid can be held during radiography, but the cabinet is heavy and difficult to transport
Solution Approach 1:
The cabinet is divided into a stationary base structure and a movable upper assembly that can be tilted backward. The grid holder and support mechanisms are segmented from the main cabinet body, allowing the upper portion to be independently maneuvered for transport while the base remains fixed.
Solution Approach 2:
The cabinet incorporates dynamic positioning capabilities with the support plate moving vertically on rails and the grid holder rotating between horizontal and vertical configurations. This dynamic adaptability allows a single operator to easily reposition and transport the grid without manual handling of heavy fixed structures.
2Ease of operation
If the grid cabinet is made portable for single-person transport, then ease of movement improves, but the ability to hold the grid securely during radiography may be compromised
Solution Approach 1:
The grid is inserted into the grid holder before the radiographic procedure begins. The holder is pre-configured with retention mechanisms that automatically secure the grid in place once inserted, ensuring stability is established before transport or positioning operations occur.
Solution Approach 2:
The grid holder acts as an intermediary between the portable cabinet structure and the fragile grid. It provides a secure interface that protects the grid during both transport and radiographic use, transferring stability from the robust holder to the delicate grid without requiring the entire cabinet to be heavy or fixed.
3Adaptability or versatility
If the grid cabinet is made adjustable for different positions, then versatility for different radiographic applications improves, but device complexity increases
Solution Approach 1:
The cabinet employs dynamic adjustment mechanisms including vertical rails for support plate movement and a rotating bearing for grid holder orientation. These mechanisms provide continuous adaptability for different radiographic positions (supine, cross-table, vertical) through simple rail-and-clamp or bearing-based rotations rather than complex multi-component adjustment systems.
Solution Approach 2:
The system changes key geometric parameters - vertical position of the support plate and rotational angle of the grid holder - to adapt to different radiographic applications. These parameter changes are achieved through straightforward mechanical movements along rails and rotations on bearings, maintaining simplicity while providing full versatility.
Data Source
AI summary
A radiographic grid cabinet for holding x-ray grids and/or cassettes that can have a vertical structure attached to a flat base with wheels that engage when the device is tilted backward like a handcart so that the cabinet can be easily transported from place to place. Wheels can fold out when needed. The device also can have a support plate that can move vertically on a set of rails or other structure attached to the cart. A thumb controlled pin on a clamp or other locking device can select one of a number of holes in the rails to lock the cabinet into a fixed vertical position. The device can also have a rotating bearing that allows the grid holder to be rotated from a horizontal to a vertical position, or through a vertical position from either of two horizontal positions.