Fukuda Denshi Co Ltd LX7230KM User Manual

6. SpO

2

 Monitoring (LX-7230N) 

19 

 

CAUTION 



 SpO

2 

sensors for LX-7230N cannot be used on the LX-7230KM. 



 SpO

2

 sensors are not waterproof. Keep away from liquids. 



  Do not pick up the device pulling the sensor or cable part. It may get 

disconnected from the device and the device may be dropped. 



  A message is displayed when the SpO

2 

sensor is disconnected from the 

device. 



  A message is displayed when the device detects that the SpO

2 

sensor is 

disconnected from the patient. Properly attach the SpO

2 

sensor to the 

patient. 



  Do not reuse the single-use SpO

2 

sensor. It may cause incorrect 

measurements. 



 

Read through the instruction of the SpO

2

 sensor as well.

 

 

CAUTION 

The accuracy of SpO

2

 measurement may be influenced by abnormal 

hemoglobin, such as carbon monoxide hemoglobin (COHb) and 
methemoglobin (MetHb). It may be also affected by cardiogreen or 
intravascular dyes. 
 
In addition, the following case may affect the accuracy of SpO

2 

and pulse 

rate measurement. 



  Outside light (direct sunlight, fluorescent, light therapy equipment, 

surgical light, infrared heat ramp, etc.) 



 Hypoperfusion 



  Excessive body motion (patient’s motion) 



  Pigment injected to the blood for testing 



  In case of measurement during receiving CPR treatment 



  Placement of SpO

2

 sensor on limb with a blood-pressure cuff, arterial 

catheter 



  External colorant such as nail polish 



  Abnormally low or high hemoglobin concentration 



 Venous pulse 



 Electrosurgery 



  Influence of electromagnetic waves from other electronics 



  High-intensity radio waves from cell phone