Ohmeda 4400 Infant Warmer

• Microprocessor Control

• 20 Segment Output Control

• Digital Apgar Timer

• Powered Elevating Base

• Pre-Heat Mode

• Dovetail Rail Mounting System

- The hydraulic tilt system provides tilt of up to +10o for positioning in Trendelenburg and reverse Trendelenburg positions.

- The four bedside panels fold down for complete access to the infant.

- The rear panel includes tubing management slots for retention of ventilation and aerosol tubing.

- The bed incorporates an X-ray Cassette Tray. A grid location marking systems on the side panels matches the tray for location of the cassette. Bed construction is radiolucent.

- A chest drainage hanger allows for convenient placement of chest drainage systems.

Heater Assembly

- The radiant heater provides a focused heat source using a cal-rod heating element, which directs controlled heat to the bed surface.

- The heater assembly, located above the center of the bed, consists of the radiant heater, parabolic reflector, integral observation light, and visible red alarm indicator light.

- The heater module rotates 90o to the side to facilitate X-ray procedures. The heater automatically shuts off when in this position.
System Control Characteristics

. Microprocessor Based Control System: Self-test function performed at power on and continuously during normal operation.

. Heater Output: 0-540 watts power adjustable from 0 to 100% in twenty 5% increments. . Patient Control (Servo) Mode: 35°C to 37.5°C in increments of 0.1°C (95°F to 99.5°F) . Manual Mode: Indicates manual mode heat selection range from 0 to 100% in 5% increments.

. Temperature Variability: Less than ±0.3°C . Resolution: ±0.1°C
. Probe Interchangeability: ±0.1°C

. Proportional heat control with zero voltage switching to minimize radiated and conducted EMI.
. Observation Light: 100 foot candles at center of mattress; estimated lamp life 3000 hours.