1. MASK’S AIR FLOW PATH DESIGN TO REDUCE LEAK RATE CAPSTONE DESIGN 20101868 손봉관 20101870 신동민 20111862 신용상 20111898 하성훈 '16. 05. 02.

2. COMPARISON WITH SIMILAR ITEM OUR CONCEPT PRODUCTMINI LUNG PRO

3. THE SIMILAR ITEM PORTABLE AIR PUMP NameMini lung pro DimensionsL/W/H : 5.7 / 3.2 / 9.2 (cm) Weight157.3 g Battery DurationUp to 4 / 8 / 12 hours Price ¥ 190.00 ( 약 34,000 원 ) : Provide filtered air continuously

4. REASONS FOR OUR SELECTION INHALE AND EXHALE This graph show the amount of air inhalation & exhalation We only need small amount of air when we inhale. The yellow rectangular represents needed air Our product provides air only when the patient wants to consume oxygen. COPD patient cannot consume needed oxygen by themselves.

5. OXYGEN CONCENTRATOR CONNECTED OUR PRODUCT PORTABLE OXYGEN CONCENTRATOR : Provide filtered and high concentrated oxygen (for medical purpose) to nasal cannula This product measures the pressure around the nose, and then provides the high concentrated oxygen when pressure decrease. This function is called DOD(Demand Oxygen Delivery) It is more effective to deliver the oxygen by nasal cannula. It is due to enter the nasal cavity

6. OUR PRODUCT’S CONCEPT OUR PRODUCT’S CONCEPT Our concept : insert the support into the mask -Flow path secure -Space secure Check valve Attach the check valve to the mask -Minimize the difficulties to breath

7. Q & A