X-ray CT Apparatus Cross-Device Scout View Integration

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Solution Overview

Problem

In large-scale hospitals, existing X-ray CT apparatuses for local region imaging require separate panoramic radiography equipment, leading to increased expenses and limitations in using X-ray image data from other apparatuses as scout views across different machines connected via LAN.

Innovation Solution

An X-ray CT apparatus that can intake X-ray image data from another apparatus, display it as a scout view, and use attribute information to accurately position the X-ray generator and detector for local region CT, allowing for the use of X-ray image data from other machines without the need for additional equipment or LAN connections.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If an X-ray detector for panoramic radiography is provided in each X-ray CT apparatus, then each apparatus can independently perform panoramic radiography and display scout views, but expenses increase due to multiple detectors piling up

Engineering Contradiction:
Improveindependent panoramic radiography capabilityVSAvoidnumber of X-ray detectors
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent makes the X-ray detector serve multiple functions: it acts as both a dedicated panoramic radiography detector and a detector that can capture images for use as scout views in CT examinations. By integrating these functions into a single detector system, the patent eliminates the need for separate detectors while maintaining both panoramic and CT capabilities

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines the panoramic radiography function and the scout view function into a single integrated system. The X-ray detector captures images that serve dual purposes: as panoramic radiographs and as scout views for CT planning, thereby merging two previously separate functions into one unified workflow

Inventive Principle:
Principle #5Merging (Combining)

2Quantity of substance

If X-ray image data from another apparatus is used as a scout view, then equipment costs are reduced, but the X-ray image cannot be used as a scout view by another X-ray CT apparatus even when connected via LAN

Engineering Contradiction:
Improvenumber of X-ray detectorsVSAvoidcross-apparatus scout view usability
Core Design Contradiction:
Quantity of substanceVSAdaptability or versatility

Solution Approach 1:

The patent creates a portable, transferable representation of the scout view data that can be copied and used across different apparatuses. By storing the scout view information in a standardized, apparatus-independent format that can be transferred via storage media or communication interfaces, the patent enables any CT apparatus to use scout views from any other apparatus without requiring dedicated LAN connections or proprietary protocols

Inventive Principle:
Principle #26Copying

3Adaptability or versatility

If an X-ray CT apparatus is designed to use scout views from other apparatuses, then flexibility and cost-effectiveness improve, but the apparatus requires additional data intake and coordinate conversion capabilities

Engineering Contradiction:
Improveability to use external scout viewsVSAvoiddata processing and coordinate conversion system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical coordination systems with standardized digital data exchange protocols. Instead of requiring intricate physical connections or proprietary communication interfaces between apparatuses, the patent uses universal data formats and standard communication methods, thereby reducing the complexity of the data processing system while enabling cross-apparatus scout view usage

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables accurate determination of radiography positions using X-ray image data from other apparatuses, reducing equipment costs and enhancing flexibility in imaging procedures by allowing the use of existing data without requiring all machines to be connected via LAN.

Implementation Method 1

an X-ray generator (11) and an X-ray detector (21) faced to each other

Methodology Applied
Scientific EffectX-ray generation: X-Ray

Data Source

PatentUS7991107B2X-ray CT apparatus
Publication Date: 2011.08.02 J MORITA MANUFACTURING CORP
  • US7991107B2 patent drawing
  • US7991107B2 patent drawing
  • US7991107B2 patent drawing

AI summary

An X-ray CT apparatus with a function of taking in an X-ray image data obtained by another X-ray apparatus, for use of scout view for a CT for local region of an object to be examined. The apparatus comprises an image data input means for taking in an X-ray image data as obtained by an X-ray detector of another X-ray apparatus by way of such as data importing, together with the attribute information thereon, a display operation means for displaying the X-ray image data as a scout view and receiving the operation of designating an interested area on the X-ray image; and a position control means for relatively moving the object to be examined, relative to the X-ray generator and the X-ray detector, in order to execute a CT for local region of the interested area of the object, based on the operation for the X-ray image displayed as the scout view with the display operation means or the attribute information.