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Clinical implementation of a computer controlled milling machine for compensating filter production
M Partridge1, E Donovan, N Fenton
1Joint Department of Physics, Institute of Cancer Research, Sutton, Surrey, UK.
The British Journal of Radiology
|March 4, 2000
Summary
This study details a computer-controlled milling machine for creating breast radiotherapy compensators. The developed technique ensures accurate compensators, proving clinically acceptable for patient treatment.
Area of Science:
- Medical Physics
- Radiotherapy Technology
- Radiation Oncology
Background:
- Clinical implementation of computer-controlled milling machines for radiotherapy compensators.
- Need for accurate and consistent compensator production in breast cancer treatment.
Purpose of the Study:
- Describe procedures for clinical implementation of a computer-controlled milling machine.
- Ensure accuracy and consistency of compensators for breast radiotherapy.
- Validate the clinical acceptability of the milling technique.
Main Methods:
- Utilizing a computer-controlled milling machine to produce compensators.
- Cutting moulds in rigid polymer foam blocks and filling with stainless-steel granulate.
- Implementing quality assurance procedures for compensator production.
Main Results:
- Compensators produced with accuracy better than 1% based on dosimetric measurements.
- Demonstrated consistency and accuracy through quality assurance procedures.
- Relative and absolute dosimetric measurements confirm accuracy.
Conclusions:
- The computer-controlled milling technique is clinically acceptable for producing breast radiotherapy compensators.
- The described procedures ensure accurate and consistent compensator fabrication.
- This method enhances precision in radiotherapy treatment planning.