Clinical incubators or infant warmers

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Definition And Clinical Purpose

DefinitionMains electricity (AC-powered) mobile device that contains an infrared (IR) heating element(s) designed to emit controlled, evenly distributed overhead heat to the body of a newborn/infant patient requiring supplemental heat. This device is equipped with wheels so that it can easily be moved to different areas of a room, ward, or department.
Clinical purpose &Overview of functional requirementsIt is an electrically powered device with a radiant heating source intended to maintain the thermal balance of an infant by direct radiation of energy in the infrared region of the electromagnetic spectrum. It is a microprocessor controlled unit with heater placed on the over head panel. This work on both servo and manual mode options to maintain the baby temperature at the set value. There are two modes of operation manual and baby (servo) mode. It has Digital displays reading the set and baby observed temperatures seperately.

Technical Characteristics (Specific To This Type Of Device)

facility to display skin set, skin observed temperature in degree C and heat power separatelyYes
have user friendly touch panel controlYes
Type of heater:calrod heater
Audiovisual alarm facility for:Overheating beyond set temperature range,Power failure,Heater failure,Patient temperature less/Greater than required/set temperature
Warmer head should be rotatable in different direction, so as to allow taking X-rayYes
Observation light Luminance and Colour temperature> = 1000 Lux , Colour temperature range from 3700K to 5100K
Battery back up facility for Power failure indication during power failYes
desired temperature range25 to 40 degree C
setable temperature 32 to 38 deg C32 to 38 deg C
temperature resolution should be:<= 0.1 degree C
Temperature accuracy should be<= 0.2 degree C
facility to lock the keyboard to avoid unwanted user modification of the set parametersYes
should have separate Bassinet trolley, bed should be tilt-able and have suitable provision for x-ray cassette holder, Mattress foam density should be minimum 25 kg/cm3, transparent collapsible side walls easily detachable for cleaningYes
Should have a Feather Touch operation with large digital display and comprehensive alarms, Control Panel should be liquid proof and allow easy and hygienic disinfectionYes
Manual Mode can adjust Heater Output 10 -100 %, with 10% increment, an auditory and visual alarm shall be given at least every 15 minYes
Under manual mode, heater cut off / switch off , if the maximum irradiance at any point of the mattress area exceeds a total irradiance level of 10 mW/cm2 (between 10 to 30 minutes)Yes
Bed height from Floor90 centimeter
Bed Distance from the heat source85 centimeter
should have lockable castor wheelsYes
Green indicator light shall be indicate that warmer is ready for normal useYes
Markings on the bassinet and X-Ray cassette holder to enable proper positioning of the baby while doing the X-RayYes
Number of tubing ports (edges covered by silicon rings) on the side walls (For cable management)4
Height of the side walls over the mattress1400 millimeter
Provision of X-Ray cassette tray of at least 750 mm X 350 mm size, suitable to adopt <= 20mm thick X-Ray cassetteYes
bay bed should be crevice free for ease of cleaning, infection controlYes
mattress used should be of biocompatible materialYes
Skin temperature probe should be small in size [Diameter <= 10 mm & Height <= 4 mm] with biocompatible Baby contact materialYes
Mobility, portabilityOn castors (2 of the castors should have brakes) & Castor size >= 4 inch.


Settings with facility to clearly display the selected mode,Option of Selecting either Manual mode and Baby (Servo) mode settings, Provision for Set temperature range (in servo mode) from 32 to 38 deg CYes
User’s interfaceManual and Servo controlled temperature regulation
Software and/or standard of communication(where ever required)LED Display and inbuilt software; Interruption and restoration of the power supply does not change the preset values
Others:1. Device shall not overbalance when placed in any transport position of normal use on a 10° inclined plane from the horizontal plane. 2. Transformers of devcie shall be protected against overheating in the event of short circuit or overload of any output winding. 3. Patient leakage current should be less than 100 μA in normal condition 4. Temperature on the baby mattress should not exceed 43 deg C when the warmer is operating under steady temperature condition 5. Temperature of HEATER GUARDS should not exceed 85 °C in normal use. 6. The Temperature differences on the mattress shall not exceed 2 °C.


Overall Height of equipment1800 millimeter
Overall Width of equipment850 millimeter
Overall Length of equipment1000 millimeter
Overall weight of equipment128 kilogram
Heat source Configuration>= 60 degree angle adjustment must be possible in the heat source, it should provide shielding to the infant in case of breakage of tubes/bulbs and all surfaces to be made of corrosion resistant material
NoiseAuditory alarm shall have a sound level of at least 65 dBA at a distance of 3 m from the front of the infant radiant warmer, and the sound level of the alarm shall not exceed 80 dBA on the mattress
Heat dissipationShould maintain desired set temperature and uniform heat distribution in baby cradle


Power Requirements220 to 240V, 50 Hz AC, ± 10% of input
Battery operatedPower failure indication during power fail
ProtectionOVP, earth leakage protection
Power consumption90 Watt
Compatible to alternate energy supply source; Solar Heating in addition to AC power source):Yes
Thermal reflector to fix the skin probe>= 50 units to be supplied with each equipment unit


Atmosphere / AmbianceOperating condition: -Capable of operating continuously in ambient temperature of 0 to 50 deg C and relative humidity of 15 to 90% in ideal circumstances. – an ambient air velocity is less than 0.3 m/s.
User’s care, Cleaning, Disinfection & Sterility issuesComplete unit to be easily washable and sterilizable using both alcohol and chlorine agents.


Certificates,CE European
Performance and safety standards (specific to the device type); Local and/or internationalIEC-60601-1-2:2007 Medical electrical equipment Part 1-2: General requirements for basic safety and essential performance – Collateral standard: Electromagnetic compatibility -Requirements and tests (Or Equivalent BIS). Shall neet IEC 60601 -2- 21: 2009 Medical Electrical Equipment – Part 2¬21: Particular Requirement for the basic safety and essential performance of infant radiant warmers . should meet IEC 60601-1:2005(or latest) standard requirements. Baby contact material should be biocompatible. Manufacturer should be ISO 13485 certified
Availability of Type Test report from any Govt/ NABL accredited /iLAC approved laboratory (To be produced by Seller on Buyer’s demand if indicated available)Yes


Pre-installation requirements for the equipmentAvailability of 5 amp/15 Amp. Electrical socket (2 nos) for each warmer at Buyer’s facility.
Documentation required to be provided by Seller:User & Operating manual,Certificate of Calibration, Factory inspection report, user training manual


Warranty ScopeShall be onsite and comprehensive i.e. with free service and spares
Warranty period for equipment(Other than nickel chrome wire filament and tube of quartz, that shall have lifetime warranty)3 year


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