Mallinckrodt NPB-190 Manual do Operador descarregar pdf (Página 59)

Troubleshooting and Maintenance

• Excessive environmental motion or electromagnetic

interference may be preventing the NPB-295 from

tracking the pulse. Remove the source of interference or

try to stabilize the environment, or do both.

5. The Pulse Search Indicator lights after successful

measurements have been made.

• Check the patient.

• Perfusion may be too low for the NPB-295 to track the

pulse. Test the instrument on someone else. Change the

sensor site. Try another type of sensor.

• Excessive patient motion may be preventing the

NPB-295 from tracking the pulse. Verify that the sensor

is securely applied and replace it if necessary. Change

the sensor site. Use a type of sensor that tolerates more

patient movement, for example, an adhesive sensor.

• The sensor may be too tight, there may be excessive

ambient light, or the sensor may be on an extremity with

a blood pressure cuff, arterial catheter, or intravascular

line. Reposition sensor, as necessary.

• Excessive environmental motion or electromagnetic

interference may be preventing the NPB-295 from

tracking the pulse. Remove the source of interference or

try to stabilize the environment, or do both.

Other physiological conditions or medical procedures that may

interfere with the monitor’s measurements include dysfunctional

hemoglobin, arterial dyes, low perfusion, and dark pigment.

EMI INTERFERENCE

Caution: This device has been tested and found to comply

with the limits for medical devices to the IEC 601-1-2:1993,

EN60601-1-2:1994, Medical Device Directive 93/42/EEC.

These limits are designed to provide reasonable protection

against harmful interference in a typical medical installation.

However, because of the proliferation of radio-frequency

transmitting equipment and other sources of electrical noise

in healthcare environments (for example, electrosurgical

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Mallinckrodt NPB-190 Manual do Operador Página 59