Maquet Jostra HL 20

Heart-Lung Machine Maquet Jostra HL 20 Features

Formerly referred to as the Jostra HL 20 the Maquet HL 20 or Heart-Lung Machine HL 20 (HLM HL 20) perfusion system is reliable, flexible, and adaptable. It incorporates the technology needed for cardiopulmonary surgery. It has peristaltic roller pumps that run smoothly and quietly. In the event of power failure, the Maquet HL 20 has a fully automatic battery backup system that will allow for most surgical procedures to be completed.

• Integrated remote control for the HCU 20 heater/cooler in the SCP.
• Console is constructed of stainless steel and easily maneuvered by a side guard and 4 stable wheels.
• Peristaltic roller pumps offer precision, durability, versatility and convenience in handling.
• Accurate measurements of up to 4 pressures, 4 temperatures, and 2 emboli safety protection systems.
• Optional cardioplegia monitoring unit that displays volumes, ratios, timers, temperatures, and pressures for full control of cardioplegia delivery.

Heart-Lung Machine Maquet Jostra HL 20 Specifications

2-Pump Console Dimensions

• Height: 58” (148.5 cm)
• Width: 19” (49.3 cm)
• Depth: 24” (60 cm)
• Weight: 110 lbs (50 kg)

4-Pump Console Dimensions

• Height: 58” (148.5 cm)
• Width: 34” (85.5 cm)
• Depth: 24” (60 cm)
• Weight: 176 lbs (80 kg)

5-Pump Console Dimensions

• Height: 58” (148.5 cm)
• Width: 41” (103.6 cm)
• Depth: 24” (60 cm)
• Weight: 211 lbs (96 kg)

Battery

The CCM constantly monitors voltages. If the mains line voltage falls below 85% the HL 20 will automatically be switched to battery power. On battery power the HLM HL 20 will run the complete system; all pumps, supervisory modules, monitoring and recording will continue to function completely in the case of power outage. When should you replace the batteries in the Heart-Lung Machine HL 20? You should plan to replace the batteries every 2 years.

• Operation Time: About 1.5 hours with 1 arterial pump at 4 LPM, three sucker pumps 50 RPM, display and monitoring.

Display

• System Monitor Unit (SMU)
• Type: EL Display
• Resolution: 640 x 400

Air Button Detection

• Air Bubble Detector Module (ABD)
• Dimensions (HxWxD): 5" x 3" x7"
• Sensitivity: Immediate Pump Stop: Bubbles larger than 5 mm
• Detection: Bubbles larger than 300 µm
• Tube Sizes: 1/4", 3/8", 1/2"
• Wall thickness range: 1/16" to 3/32"
• Ultrasonic Energy at Sensor: 0.1 µWs

Pump Specifications

• Protective Class: Class 1 IEC 601-1 and VDE 0750
• Safety: Type B
• Voltage: +24B
• Maximum Supply Current: 16 Amp at 24 V
• Forward or Reverse Speed: 0-250 RPM
• Slave Speed, Single Pump: 80-120% of master
• Single Pump Weight: 40 lbs (18 kg)
• Cardioplegia Slave Speed, Twin Pump: 0.1% to 102% of master
• Dual Pump Weight: 31 lbs (14 kg)
• RPM Display Precision: ±RPM
• RPM Display Resolution: 1 RPM

Single Pump Flow Rates

• 1/2” Tubing: 0-10 LPM
• 3/8” Tubing: 0-6.6 LPM
• 1/4” Tubing: 0-3.2 LPM

Dual Pump Flow Rates

• 1/4” Tubing: 0-1.5 LPM

Accuracy of LPM Display

• 1/2” Tubing: ±0.15 LPM
• 3/8” Tubing: ±0.15 LPM
• 1/4” Tubing: ±0.018 LPM

Resolution of LPM Display

• 1/2” Tubing: 0.1 LPM
• 3/8” Tubing: 0.1 LPM
• 1/4” Tubing: 0.01 LPM