NEMA NU 3:2004

Foreword
Section 1 PURPOSE, SCOPE, AND RATIONALE
  1.1 Purpose
  1.2 Scope
  1.3 Introduction
       1.3.1 Applications
       1.3.2 Basic Probe Design
  1.4 Rationale for Non-imaging Intraoperative Gamma Probe
       Measurements
       1.4.1 Rationale for Sensitivity and Spatial Resolution
              Measurements
       1.4.2 Rationale for Sensitivity to Scatter Measurements
       1.4.3 Rationale for Sensitivity to Distributed Activity
              in Water Measurements
       1.4.4 Rationale for Short-Term Sensitivity Stability in
              Air Measurements
       1.4.5 Rationale for Count-Rate Capability with Scatter
              Measurement
       1.4.6 Rationale for Energy Resolution Measurement
       1.4.7 Rationale for Side and Back Shielding Measurement
       1.4.8 Probe Response Time
       1.4.9 Rationale for Radioisotope Used for Testing
Section 2 REFERENCED PUBLICATIONS, DEFINITIONS, AND TEST EQUIPMENT
  2.1 References
  2.2 General Definitions
  2.3 Terminology
  2.4 Test Equipment, Conditions, and Results
       2.4.1 Source Holders and Test Fixtures
       2.4.2 Radiation Sources
       2.4.3 Equipment Setup and Test Conditions
       2.4.4 Reporting
       2.4.5 Measurements
Section 3 PERFORMANCE MEASUREMENT TESTS
  3.1 Sensitivity in Air
       3.1.1 Test Conditions
       3.1.2 Measurement Procedure
       3.1.3 Calculations and Analysis
       3.1.4 Reporting
  3.2 Sensitivity in a Scatter Medium
       3.2.1 Test Conditions
       3.2.2 Measurement Procedure
       3.2.3 Calculations and Analysis
       3.2.4 Reporting
  3.3 Sensitivity through Side Shielding in Air
       3.3.1 Test Conditions
       3.3.2 Measurement Procedure
       3.3.3 Calculations and Analysis
       3.3.4 Reporting
  3.4 Sensitivity to Scatter
       3.4.1 Test Conditions
       3.4.2 Measurement Procedures
       3.4.3 Calculations and Analysis
       3.4.4 Reporting
  3.5 Spatial Resolution in a Scatter Medium
       3.5.1 Test Conditions
       3.5.2 Measurement Procedure
       3.5.3 Calculations and Analysis
       3.5.4 Reporting
  3.6 Volume Sensitivity to Distributed Activity in a
       Scatter Medium
       3.6.1 Test Conditions
       3.6.2 Measurement Procedure
       3.6.3 Calculations and Analysis
       3.6.4 Reporting
  3.7 Short-Term Sensitivity Stability
       3.7.1 Test Conditions
       3.7.2 Measurement Procedure
       3.7.3 Calculations and Analysis
       3.7.4 Reporting
  3.8 Count Rate Capability in a Scatter Medium
       3.8.1 Test Conditions
       3.8.2 Measurement Procedure
       3.8.3 Calculations and Analysis
       3.8.4 Reporting
  3.9 Angular Resolution in a Scatter Medium
       3.9.1 Test Conditions
       3.9.2 Measurement Procedure
       3.9.3 Calculations and Analysis
       3.9.4 Reporting
  3.10 Energy Resolution
       3.10.1 Test Conditions
       3.10.2 Test Equipment
       3.10.3 Measurement Procedure
       3.10.4 Calculations and Analysis
       3.10.5 Reporting
  3.11 Side and Back Shielding
       3.11.1 Test Conditions
       3.11.2 Measurement Procedure
       3.11.3 Calculations and Analysis
       3.11.4 Reporting
Section 4 QUALITY CONTROL TESTS
  4.1 General
  4.2 Sensitivity
       4.2.1 Test Conditions
       4.2.2 Measurement Procedure
       4.2.3 Calculations and Analysis
       4.2.4 Reporting
       4.2.5 Recommended Test Frequency
  4.3 Visual and Physical Inspection
       4.3.1 Inspection
       4.3.2 Frequency
  4.4 Power Source (for Internally-Powered Systems)
       4.4.1 Checks
       4.4.2 Frequency
Performance Measurement Datasheet (example)
Quality Control Datasheet (example)
Tables
Figures