Central Medical Gas Distribution System | PPT - SlideShare

• 1. Central Medical Gas Distribution System PRESENTATION BY: • AIMAN NASEEM • HAMZAH MERAJ • SARAH MADIHA M.ARCH (FIRST SEMSTER) HEALTH CARE ARCHITECTURE ( CONTEMPORARY TECHNOLOGIES )
• 2. • Medical Gas Distribution System is a central supply system to supply a medical gas (O2, N2O, N2), medical air, and medical vacuum to each ward of hospital safely and conveniently through a central supply piping from medical gas supply sources. • The system has a thoroughgoing color coordination according to the kind of gas. • An audio-visual monitoring system capable of checking the situation. WHAT IS CENTRAL MEDICAL GAS DISTRIBUTION SYSTEM? Presented by : AIMAN NASEEM 1
• 3. ADVANTAGES OF CENTRALISED MEDICAL GAS DELIVERY SYSTEM • No distressing sign of oxygen cylinder at bed side. • Elimination of noise produced by their movement. • Protection of sterile areas from contamination caused by use and movement of cylinder. • Uninterrupted and clean gas supply at each work station. • Safe And Relief System • Effective use of space. Additionally it is economically advantageous and hygienic. Presented by : AIMAN NASEEM 2
• 4. TYPES OF MEDICAL GASES • Oxygen- used for respiratory therapy and life-support and is additionally used in anaesthetic procedures. • Medical air-This is supplied by a specialized air compressor to patient care areas. Used extensively in the ICU, PICU, and NICU areas, to reduce the risk of excess oxygen in the lungs, during surgical procedures. • Surgical air is used, at a higher pressure, to power a variety of surgical tools and other devices. • Nitrous oxide is used for anaesthetic and analgesic purposes. • Helium/oxygen mixture is used to treat patients with respiratory or airway obstruction. •Carbon dioxide in used in the medical world to aid laparoscopic examination. The carbon dioxide inflates the stomach slightly which simplifies internal visibility inside the abdomen. • Piped vacuum or Suction is provided by means of centrally sited vacuum pumps & supports evacuation procedures. Presented by : AIMAN NASEEM 3
• 5. Operation Theatre O2, N2O, CA, MA, Vac Cath Labs O2, CA, Vac Intensive Care Beds O2, CA, Vac Recovery Beds O2, CA, Vac General Beds O2, CA, Vac The functional areas of the proposed building where in, the Medical gas shall be required is as follows: COLOUR CODINGUSAGE OF MEDICAL GASES 4Presented by : AIMAN NASEEM
• 6. MEDICAL GAS PIPELINE SYSTEM COMPONENTS 1. Medical Oxygen plant. 2. Medical Nitrous oxide plant. 3. Medical compressed air plant. 4. Vacuum plant. 5. Medical gas pipeline. 6. Terminal units. 7. Pressure Regulators. 8. Shutoff valves. 9. Monitoring and alarm system. Presented by : AIMAN NASEEM 5
• 7. 3. MONITORING & ALARM SYSTEM The system always monitors the remains of medical gas, troubles of machines, and abnormalities in pressure in a lump to perfectly operate equipment which directly link to life. 2 types: • Area alarm : monitor pipeline pressure within a ward, ot etc. • Master alarm panel : provides continuous monitoring of medical gas installations across hospitals . 1.MEDICAL GAS PIPELINE A pipeline system is a system that includes;  The pipeline network  The control unit and  The piped material should be copper seamless tubes. Presented by :AIMAN NASEEM 6 2. SHUT OFF VALVE • Shut off valve system is used on each floor of the hospital or on the entrance of the gas port of the operation room • It main has two functions: To reduce gas pressure and to shut off gas pipes.
• 8. 4. TERMINAL GAS OUTLETS These terminal gas outlets are colour-coded, labelled with gas name and have self-sealing sockets. Gas specificity- The terminal unit shall only accept the probe for the gas for which it is intended. Presented by :AIMAN NASEEM 7
• 9. Medical Hanger TYPES OF TERMINAL GAS OUTLETS Hanging From Ceiling Type Outlet Ceiling column & pendent Embedded Type Outlet Wall Mounted Type Outlet Plug Bedhead Unit Presented by :AIMAN NASEEM 8 Outlets can be installed as flush fitting units, surface-fitting units on booms or pendants, suspended on a hose and gang mounted. Trolley Stand
• 10. 4. GAS MANIFOLD Gas manifolds are designed to supply the pipeline system with sufficient quantity of gas by cylinders and/or tanks. The typical manifold for medical gases usually consists of a two-sided cylinder supply with automatic changeover between the empty and full side, and an additional third source for emergency supply. MANIFOLD ROOM  Consists of a cylinder manifold and a control panel  Manifold can be of 2 banks of 2 cylinders each or 2 banks of 20 cylinders each.  Control panel: primary and secondary pressure regulations: warning lamp. Presented by: AIMAN NASEEM 9
• 11. Cylinder ManifoldGas Cylinders Gas Manifold Plant Room for 100 bedded hospitalPresented by :AIMAN NASEEM 10
• 12. 12 “MEDICAL GAS PIPELINE SYSTEM COMPONENTS” CROSS SECTION-MEDICAL GAS PIPELINE SYSTEM HAMZAH MERAJ
• 13. PIPELINES PLANTS & MANIFOLD 13 CROSS SECTIONAL VIEW OF THE MANIFOLD ROOM HAMZAH MERAJ
• 14. GAS OUTLETS BED HEADS PIPELINES SHUTOFF VALVES 14 CROSS SECTIONAL VIEW OF THE OT HAMZAH MERAJ
• 15. MEDICAL GAS ALARM BED HEADS 15 CROSS SECTIONAL VIEW OF THE WARDROOM & NURSING STATION HAMZAH MERAJ
• 16. ON SITE GAS PRODUCTION • Oxygen is produced onsite, instantaneously from ambient air freely available. • The medical oxygen generator come with oxygen purity monitoring device which ensure oxygen produced is within the acceptable purity limits. WHY CHOOSE ONSITE GAS GENERATORS? 16 HAMZAH MERAJ
• 17. THE PRESSURE SWING ADSORPTION (PSA) PRINCIPLE • PSA (pressure swing adsorption) is an economical alternative for onsite production of oxygen for medical use and is in use for over 30 years in the medical industry. 17 • Ambient air entering the compressors is 78% nitrogen, 21% oxygen, less than 1% argon and other gases. • As nitrogen is separated, the resulting product gas is up to 95.5% oxygen purity. HAMZAH MERAJ
• 18. 18 THE PRESSURE SWING ADSORPTION PROCESS HAMZAH MERAJ
• 19. CAPACITY- 900 LITRE FEATURES 1. • Produces oxygen from compressed air 2. • Microprocessor controlled 3. • Low operating cost 4. • Automatic and unattended operation 5. • Easy to install and maintain 19 HAMZAH MERAJ
• 20. CAPACITY- LITRE FEATURES 1. • Produces oxygen from compressed air 2. • Microprocessor controlled 3. • Low operating cost 4. • Automatic and unattended operation 5. • Easy to install and maintain 20 HAMZAH MERAJ
• 21. 21 HAMZAH MERAJ CASE STUDY BHAWGAN MAHVIR HOSPITAL, PITAMPURA DELHI
• 22. 22 6M X 6M 12M X 6M RAMP LEADING TO BASEMENT CASE STUDY-GAS MANIFOLD ROOM BHAWGAN MAHVIR HOSPITAL, PITAMPURA DELHI HAMZAH MERAJ
• 23. CASE STUDY-GAS MANIFOLD ROOM BHAWGAN MAHVIR HOSPITAL, PITAMPURA DELHI MANIFOLD ROOMGAS GENERATORS GAS PIPELINES MANIFOLD ROOMHAMZAH MERAJ
• 24. HAMZAH MERAJ CROSS SECTIONAL VIEW LAYOUT
• 25. NEGATIVE PRESSURE FACILITY (AIR CLEAN DEVICE) 1. In clean areas such as an operating theatre, an air conditioner using HEPA (high-efficiency particulate air) filters is fully equipped and it is designed that the air should flow from the room of high purity to the room of low purity. 2. Negative Pressure Facility circulates a part of the air and consequently the Facility also has a function of an air cleaner. SARAH MADIAH
• 26. 26 ANAESTHETIC GAS SCAVENGING SYSTEMS • These systems are used to remove anesthetic gases directly from patient connection of Anesthesia Machine. • A SCAVENGER SYSTEM is a medical device used in hospitals. It is used to gather gas after it is exhaled from the patient or left the area of the patient. • In the Operating Room the Anesthetic Gas Scavenging System collects and removes waste gases from the patient breathing circuit and the patient ventilation circuit. TYPES • Scavenging may be active (suction applied) or passive (waste gases proceed passively down corrugated tubing through the room ventilation exhaust grill of the OR). SARAH MADIAH SCAVENGING SYSTEMS ACTIVE PASSIVE
• 27. • Gas collection assembly • Transfer tubing • Scavenging interface • Gas disposal tubing • Gas disposal assembly. 27 COMPONENTS OF THE SCAVENGER SYSTEM: SARAH MADIAH
• 28. **DESIGN CONSIDERATION SOURCES MEDICAL GAS SAFETY- NFPA IS CODE - IS/ISO -1 :  Designated area should have proper ventilation.  Location should be chosen in such a manner so as to permit access by delivery vehicles and transportation of cylinders ( e.g. proximity to loading docks, access to elevators, passage of cylinders through public areas ).  If the gases are planned to be located indoors then care must be taken to avoid the following areas. 1. Area involved in critical patient care. 2. Locations storing flammables 3. Kitchens  If the facility is planned outdoors, an enclosure (wall or fencing) must be constructed of non- combustible materials, as the gases used in medical facilities help in combustion.  If it is planned indoors, it should be constructed while using interior finishes of non-combustible or limited combustible materials so that all walls, floors, ceilings and doors can withstand a minimum of one hour fire.  Electrical devices must be located at or above mm (5ft) above finished floor to avoid physical damage.  Racks, chains , or other fastening should be provided to individually secure all cylinders, whether connected, unconnected, full , or empty, from falling. CENTRAL GAS SUPPLY DESIGN CONSIDERATION SARAH MADIAH
• 29. **DESIGN CONSIDERATION SOURCES MEDICAL GAS SAFETY- NFPA IS CODE - IS/ISO -1 : GAS PIPELINE GUIDELINES 1. Pipelines and electrical services shall either a) run in separate compartments, or b) be separated by more than 50 mm 2. If pipelines are placed underground, they shall be placed in tunnels or ducts. 3. All pipelines for medical gases shall be routed in such a way that they are not exposed to a temperature less than 50 C above the dew point of the gas at pipeline pressure. Maximum intervals between supports for gas pipes SARAH MADIAH

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