Fresenius Medical Care 5008, Operating Instructions Manual

Page: 221 / 328

Chapter 11: System Description
Fresenius Medical Care 5008 OP 5/09.06 11-11
Flow alarm Dependent on the programmed flow
11.1.12 Extracorporeal Blood Circuit and Safety Systems
Arterial pressure
measurement Display range: –300 to +300 mmHg
Resolution: 5 mmHg
Accuracy: 7 mmHg (typical)
OD senses light:
Alarm window width: –300 to +300 mmHg
OD senses dark:
Alarm window width: +40 to +200 mmHg
Default value adjustable in the Operator setup, factory setting
120 mmHg
Blood pump Delivery rate: 30 to 600 ml/min
Resolution: 10 ml/min (with a line diameter of 8 mm)
Accuracy: ±10 %
Line diameter: 4.4 mm, 6.4 mm, 8.0 mm
Blood pump stop alarm: 60 seconds
(During Single-Needle operation - option - 180 seconds.)
Spring-loaded rollers, fully occluding, pressure-limited to 2 bar with 8 x
2.1 pump line segment (when using the prescribed tubing systems).
Venous pressure
measurement Display range: –100 to +500 mmHg
Resolution: 5 mmHg
Accuracy: 7 mmHg (typical)
OD senses light:
Alarm window width: –100 to +500 mmHg
OD senses dark:
Alarm window width: 40 to 200 mmHg
Default value adjustable in the Operator setup,
Factory setting 120 mmHg
adjustable over a range of 20 to 500 mmHg
(adjustable in the Operator setup from -100 to 500 mmHg.)
Level detector Method:
Capacitive measurement
Switching point 13 mm, ±4 mm from upper edge
Optical detector Method: Infrared transmission
Distinguishes between
OD light (rinse solution or air in the tubing system)
OD dark (blood in the tubing system).
Air bubble detector Method:
Ultrasonic transmission measurement on the line
Sensitivity:
– Air bubbles: Bubble volume
≥
20 µl
– Blood foam (air-blood mixture)
– Micro bubbles