Patient Ventilators are the mechanical devices, utilized for the purpose of breathing. These assist the patients to breathe in an effective manner, which they are incapable to do on their own. Offered ventilators are provided with different models of different features. They are needed to make sure if the body is receiving adequate oxygen or not. Also, it functions for the removal of carbon dioxide. Patient Ventilators are specifically used for the conditions when patients are suffering from certain illnesses and getting a defect in their normal breathing. They are provided with natural pressure oscillations, optimal humidity and other kindred effects.