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System Monitor
4
HeartMate III Left Ventricular Assist System Instructions for Use
4-11
Pump Flow Display
The System Controller provides an estimate of blood flow out of the Pump. This estimate is based
on Pump speed and the amount of power being provided to the Pump Motor. The relationship
between power and flow at any particular speed is mostly linear.
If the flow estimate falls outside the expected operational range or acceptable linear region, a
Low Flow alarm is triggered and the Pump Flow box displays "-.-" (
only occurs when Pump speed is below 4000 rpm AND the Pulse Index is greater than 9.0.
This prevents the display of inaccurate flow information.
Figure 4.9 Low Flow Alarm and Pump Flow Box
When the Driveline is disconnected from the System Controller, "-.-" appears in the Pump Flow
box. This condition is accompanied by a PUMP OFF Hazard alarm in a red box. A
Pump
Start
button appears in the bottom left corner of the screen (
Figure 4.10 PUMP OFF Alarm
Summary of Contents for HeartMate III
Page 1: ...Instructions for Use ...
Page 2: ......
Page 3: ...Thoratec Corporation HEARTMATE III LEFT VENTRICULAR ASSIST SYSTEM Instructions for Use ...
Page 4: ...HEARTMATE III LEFT VENTRICULAR ASSIST SYSTEM INSTRUCTIONS FOR USE ii ...
Page 6: ...HEARTMATE III LEFT VENTRICULAR ASSIST SYSTEM INSTRUCTIONS FOR USE iv ...
Page 10: ...Contents viii HEARTMATE III LEFT VENTRICULAR ASSIST SYSTEM INSTRUCTIONS FOR USE ...
Page 12: ...1 Introduction 1 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 28: ...1 Introduction 1 18 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 30: ...2 System Operations 2 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 88: ...3 Powering the System 3 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 112: ...3 Powering the System 3 26 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 166: ...4 System Monitor 4 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 208: ...4 System Monitor 4 44 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 210: ...5 Surgical Procedures 5 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 378: ...A A 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 390: ...B B 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 420: ...C C 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 426: ...C C 8 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 428: ...D D 2 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 448: ...E E 10 HeartMate III Left Ventricular Assist System Instructions for Use ...
Page 457: ......