Evaluation of the PneumRx Lung Volume Reduction Coil to Treat Emphysema

Inclusion Criteria: * Patient \> 35 years of age * unilateral or bilateral emphysema * Patient has stopped smoking for a minimum of 8 weeks * Read, understood and signed the Informed Consent form Exclusion Criteria: * Patient has a history of recurrent clinically significant respiratory infection * Patient has an inability to walk \>140 meters * Patient has evidence of other disease that may compromise survival such as lung cancer, renal failure, etc * Patient is pregnant or lactating * Patient has clinically significant bronchiectasis * Patient has had previous LVR surgery, lung transplant or lobectomy * Patient has been involved in other pulmonary drug studies with 30 days prior to this study * Patient has other disease that would interfere with completion of study, follow up assessments or that would adversely affect outcomes