Treatment of Refractory Angina Pectoris by Shock Wave Therapy

Inclusion Criteria: * Male or female, 18 years or older. * Diagnosis of chronic stable angina pectoris. Diagnosis is based on medical history, complete physical evaluation, and Exercise Single-Photon Emission Computed Tomography (Exercise SPECT). * Patient has documented myocardial segments with reversible ischemia and or hibernation. * Patient is classified as AP CCS of III or IV. * Patient should be on a stable dosage of medication used to treat angina for at least 6 weeks prior to enrollment. * Patients demonstrates exercise tolerance time (ETT) duration \<10 minutes on a modified Bruce protocol on 2 consecutive tests (tests no less than 24 hours and no more than 2 weeks apart), with the second test within 25% of the first (Patients should not be informed of exercise restrictions required for entry into the study). * Patient has refused to undergo another angioplasty or CABG. * Patient has signed an informed consent form. * Patient's condition should be stable and should have a life expectancy of \>12 months. * Patient's current and past medical condition and status will be assessed using previous medical history, physical evaluation, and the physicians (principle investigator's) medical opinion. * Newly diagnosed type II diabetes. Exclusion Criteria: * Chronic lung disease including emphysema and pulmonary fibrosis. * Active endocarditis, myocarditis or pericarditis. * Patient is simultaneously participating in another device or drug study, or has participated in any * Clinical trial involving an experimental device or drug, including other drugs or devices enhancing cardiac neovascularization, or any ESWT machine for neovascularization of a competitor company within 3 months of entry into the study. * Patients who are unwilling or unable to cooperate with study procedure. * Patients who are unwilling to quit smoking during the study procedure (including screening phase) * Patients who had myocardial infarction (MI) less than 3 months prior to treatment. * Patients who are diagnosed with a 3rd and 4th degree heart valve disease. * Patient with intraventricular thrombus. * Pregnancy. * Patient with a malignancy in the area of treatment.