GENERAL COMMENT
1. Pain score was measured by patient, using his best judgment.
2. Pain Score 0 - No pain
Pain Score 10 - Excruciating pain
3. Operator of device was always the same person.
4. Interactive communication was always encouraged between patient and operator of device in order to gauge the degree of improvement in patient's problem as treatment progressed. Treatment ended when patient felt comfortable enough or when pain disappeared.