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The Maquet HL 20 perfusion system is reliable, flexible and adaptable. It combines the complex technology needed for cardiopulmonary surgery with clear and concise handling necessary for safe and effective patient management.

The peristaltic roller pumps run quietly and smoothly on low-voltage power supplied by the console. All controls and monitors are managed from a single panel for the ultimate in user-friendly operation.

Simple Operation

  • A flat screen display provides graphical and functional status information at a glance; all supervisory and warning functions are on one panel.
  • One knob adjusts all settings except the pump speed.
  • The pump function is dedicated by name, not by location, and the assigned function of the pump is displayed on its front panel.
  • Built-in remote control for the Heater-Cooler Unit HCU 30.
  • Patient temperature can be monitored and controlled without diverting the operator's attention.

Safe and Reliable

  • In a power failure, a fully automatic battery backup system will be engaged and run the entire system for the time sufficient to finish most surgical procedures.
  • All pumps and modules operate on 24 Volt power for increased patient and operator safety.
  • All electrical connections are inside HL 20; there are no protruding or interfering cables to be broken, tangled or inadvertently unplugged.
  • The system performs an extensive self-test at power-up, then continuously monitors all vital functions during operation.
  • All alarms and errors are indicated both acoustically and visually; a single button is used to silence all alarms.

Wide Range of Configurations

  • The HL 20 console is constructed of stainless steel and easily maneuvered by means of a side guard and four stable castors.
  • Controls and monitors are run from a single panel, which can be mounted on the left, right or center of the pump console.
  • Pump functions can be renamed or relocated instantly without cable disconnection.
  • Available in left- or right-oriented console.

Comprehensive Safe Control

  • Accurately measure of up to four pressures and up to four temperatures.
  • Two safety protection systems prevent air entering the extracorporeal circulation:
    • Capacitive level sensor
    • Ultrasonic micro bubble air detector
    • With the Cardioplegia Monitor Unit, essential data is easily displayed for full control of cardioplegia delivery, including: volumes; ratio; timers; temperature; and pressure.

Compact Roller Pump Modules

  • Pumps run quietly and smoothly on safe, low-voltage power supplied by the console.
  • The pumps are easily removed from and reinstalled onto the console simply by lifting or placing the module onto the guided position.

Unique Flow and Bubble Measurement

Console Technical Data

Protective class 1, Safety type B IP64 Batteries 2 x 12 V, 30 Ah maintenance free type

Supply voltage:100 - 115 VAC220 - 240 VAC
Max supply current 16 A 7 A
Main fuses 16 A 7 A
24 V DC internal low voltage system
Pump fuses 16 A
Halogen spotlight fuses 3 A
Max run- time on battery backup system 5 1.5 h
 Four pump consoleFive pump console
Dimensions (W x D x H) 1 855 x 600 x 1485 mm 1036 x 600 x 1485 mm
Max height 2 2600 mm 2600 mm
Console base height 403 mm 403 mm
Height to pump inserts 3 615 mm 615 mm
Weight 4 80 kg 96 kg
Roller Pump Technical Data
 Roller pump moduleTwin pump module
Protective class 1, Safety B IP64 1, Safety B IP64
Supply voltage 24 V DC 24 V DC
Maximum supply current 15 A 16 A (both pumps)
Master speed, forward and reverse 0 - 250 RPM 0 - 250 RPM
Slave speed, forward and reverse ± 20 % of master pump speed or maximum 275 RPM ± 20 % of master pump speed or maximum 275 RPM
Cardioplegia slave speed (mix ratio) 0 - 102 % of cardioplegia master speed  
Speed accuracy ± 0.5 RPM ± 0.5 RPM
Resolution 1 RPM 1 RPM
Flow rates: 1/2” 0 -10.0 LPM 3/8” 0 - 6.6 LPM 1/4” 0 - 3.2 LPM 1/4” 0 - 1.5 LPM
Resolution of flow display 0.01 LPM 0.01 LPM
Max tubing size 5/8” x 3/32” 1/4” x 3/32”
Dimensions L x W x H 179 x 373 x 267 mm 179 x 373 x 278 mm
Weight 17.8 kg 13.7 kg
ROTAFLOW Console (stand-alone unit) Technical Data
 ROTAFLOW ConsoleROTAFLOW DriveROTAFLOW Emergency Unit
Protective class I, safety B IP64 I, safety B IP64 I, safety B IP64
Power supply 100-240 VAC, 200VA Or 24VDC from HL 20 only 24VDC from Rotaflow Console NA, manual
Batteries 24VDC, NiCd, 5AH,    
Typical run time 1,5 h    
Speed Range 5000 RPM 5000 RPM 5000 RPM
Speed resolution 1 RPM   500 RPM
Speed accuracy 20 RPM   250 RPM
Flow Range 0 to 9.99 LPM    
Flow resolution 0.01 LPM    
Flow accuracy ±7%    
Flow meter Ultra sound, < 1mW    
Bubble detector Ultra sound, < 1mW    
Size from 5mm in dia.      
Dim. (LxWxH) 179 x 373 x 240 mm 105 x 140 x 320 mm (Without holder) 105 x 160 x 300 mm (Without holder)
Holder radius of action   470 mm 210 mm
Weight 14.2 kg 3.3 kg 2.5 kg

[1] with infusion masts non-extended
[2] with infusion masts extended to maximum height
[3] to tubing inlet/outlet
[4] pump modules and accessories excluded
[5] with a new fully charged battery operating with full monitoring, one arterial pump at 4 LPM, 3/8”, 100 mmHg blood temperature 37 degrees Celsius and three suction pumps at 100 RPM

Media

How to order

To place an order or learn more about any of the Maquet products, related accessories, or therapeutic solutions, please contact your local sales representative. 

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