Biomaterial Database

The quality assurance of enhanced dynamic wedges. 1997

J H Moeller, and D D Leavitt, and E Klein

Department of Radiation Oncology, University of Utah Medical Center, Salt Lake City 84132, USA.

Dynamic wedge distributions are produced by closing one jaw continuously while simultaneously controlling dose as each position of the jaw. This method of producing wedge distributions requires more frequent Quality Assurance checks, such as verification of wedge profile, wedge factor and verification of the accuracy of the digital position readout for the jaws used for dynamic wedge. "Hard" wedges require only the verification of wedge factor and the verification of reproducibility of mechanical position in the beam. This paper will discuss methods and equipment used for the Quality Assurance of Enhanced Dynamic Wedges.

UI	MeSH Term	Description	Entries
D010315	Particle Accelerators	Devices which accelerate electrically charged atomic or subatomic particles, such as electrons, protons or ions, to high velocities so they have high kinetic energy.	Betatrons,Linear Accelerators,Accelerator, Linear,Accelerator, Particle,Accelerators, Linear,Accelerators, Particle,Betatron,Linear Accelerator,Particle Accelerator
D011785	Quality Assurance, Health Care	Activities and programs intended to assure or improve the quality of care in either a defined medical setting or a program. The concept includes the assessment or evaluation of the quality of care; identification of problems or shortcomings in the delivery of care; designing activities to overcome these deficiencies; and follow-up monitoring to ensure effectiveness of corrective steps.	Quality Assessment, Health Care,Health Care Quality Assessment,Health Care Quality Assurance,Healthcare Quality Assessment,Healthcare Quality Assurance,Quality Assessment, Healthcare,Quality Assurance, Healthcare,Assessment, Healthcare Quality,Assessments, Healthcare Quality,Assurance, Healthcare Quality,Assurances, Healthcare Quality,Healthcare Quality Assessments,Healthcare Quality Assurances,Quality Assessments, Healthcare,Quality Assurances, Healthcare
D011880	Radiotherapy Planning, Computer-Assisted	Computer-assisted mathematical calculations of beam angles, intensities of radiation, and duration of irradiation in radiotherapy.	Computer-Assisted Radiotherapy Planning,Dosimetry Calculations, Computer-Assisted,Planning, Computer-Assisted Radiotherapy,Calculation, Computer-Assisted Dosimetry,Calculations, Computer-Assisted Dosimetry,Computer Assisted Radiotherapy Planning,Computer-Assisted Dosimetry Calculation,Computer-Assisted Dosimetry Calculations,Dosimetry Calculation, Computer-Assisted,Dosimetry Calculations, Computer Assisted,Planning, Computer Assisted Radiotherapy,Radiotherapy Planning, Computer Assisted

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