Segmented Scattering Body Alignment for Dosimeter Accuracy

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing local dosimeter devices are costly, difficult to use, and prone to measurement errors, particularly in settings like doctor's offices with X-ray machines, where they require frequent replacement and handling by non-technical personnel, leading to potential inaccuracies and complications in dose determination.

Innovation Solution

A local dosimeter device with at least two scattering body assemblies, featuring an alignment device for simplified assembly and a quick-connection mechanism for rapid assembly and replacement, made from cost-effective materials like polyamide, which also includes a shape-complementary and sealing design to enhance handling and measurement accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If local dosimeter devices use complex assembly structures to ensure measurement accuracy, then measurement precision is improved, but device complexity increases and ease of operation deteriorates

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidease of handling
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The scattering body is divided into multiple scattering body assemblies that can be separately manufactured and then combined. Each assembly contains specific structural features (protrusions, recesses, alignment marks) that enable precise positioning when assembled, maintaining measurement accuracy while simplifying handling and replacement procedures

Inventive Principle:
Principle #1Segmentation

2Measurement precision

If local dosimeter devices use precise alignment mechanisms to avoid measurement errors, then measurement precision is improved, but device complexity increases

Engineering Contradiction:
Improvemeasurement accuracyVSAvoidassembly complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The scattering body assemblies incorporate asymmetric alignment features such as protrusions fitting into recesses, and specific alignment marks with defined geometries. These asymmetric features provide unambiguous orientation and precise positioning when assemblies are combined, ensuring measurement accuracy without requiring complex active alignment mechanisms

Inventive Principle:
Principle #4Asymmetry

3Productivity

If local dosimeter devices require frequent replacement of measurement components, then productivity is improved (faster dose determination), but loss of time increases (assembly and replacement time)

Engineering Contradiction:
Improvedose determination speedVSAvoidreplacement time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The dosimeter is designed with modular scattering body assemblies that can be independently replaced. The simple connection mechanism allows rapid assembly and disassembly, enabling frequent replacement of measurement components without significant time loss, thus maintaining high productivity in dose determination

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple scattering body assemblies can be pre-prepared with different configurations or measurement media. When one assembly needs replacement, a pre-prepared assembly can be immediately substituted, minimizing replacement time and maintaining continuous productivity in radiation monitoring

Inventive Principle:
Principle #10Preliminary action

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

The solution significantly reduces assembly time and costs, increases measurement accuracy, and simplifies handling, minimizing errors and ensuring compliance with regulatory standards, even in non-technical environments, by using alignment and quick-connection devices with complementary shapes and sealing mechanisms.

Implementation Method 1

Local dosimeter device with at least one scattering body, wherein the at least one scattering body has at least two scattering body assemblies

Methodology Applied
Scientific EffectRadiation scattering: Scattering

Data Source

PatentEP2771717B1Local dosimeter for measuring the ambient equivalent dose having a simple design
Publication Date: 2019.10.30 GSI HELMHOLTZZENT FUR SCHWERIONENFORSCHUNG GMBH
  • EP2771717B1 patent drawingFigure 1
  • EP2771717B1 patent drawingFigure 2
  • EP2771717B1 patent drawingFigure 3

AI summary

The invention relates to a local dosimeter device (1) having a scattering body (2, 3) formed from two scattering body assemblies (2, 3). The two scattering body assemblies (2, 3) have at least one alignment device (16, 17) for mutual alignment of the two scattering body assemblies (2, 3) to each other.