Manual Luvion AngelSounds (page 4 of 12) (Dutch, French)

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will facilitate limit the maximum amount of diagnostic

information with the minimum of exposure.

table 1. Maximum acoustic output measured in water

(Parameters of Angelsounds fetal doppler Transducer)

Operating mode Continuous Doppler

Frequency 3.3 MHz

Intended use Fetal heart detection

Intended for fetal use Yes

Control settings None

Acoustic intensity

I *(mW/cm2)

< 10mW/cm2 SPTA

Peak negative pressure < 1 Mpa

Output beam intensity < 20 mW/cm2

*I =spatial peak, temporal average

Intensity in tissue estimate the ‘in-situ’ value in tissue at

the point of examination, where:

I =Spatial peak intensity ‘in-situ’ (tissue) T

I =Spatial peak intensity in water W

F=Ultrasound frequency(MHz)

Z=Distance from the face of the transducer to the point

of measurement (cm) then:

I =I exp.(-0.069f.z.) T W

For example; at a typical point of measurement using

the AngelSounds fetal doppler the following value of

maximum intensity is obtained:

Parameter of AngelSounds fetal doppler transducer

Typical measurement 4.8

Depth in tissue(cm)

Maximum intensity I 0.8 SPTA

in tissue(mW/cm2)

This also conforms to the requirements of IEC1157 (de-

tails on request).

If you have questions, please contact:

Luvion, Kleveringweg 25, 2616LZ Delft, the Nether-

lands, informatie@luvion.nl,

www.luvion.com

Transport and storage conditions

Temperature:

from -10C° to 60 C°

Air pressure:

from 500hpa to 1060hpa

Humidity:

from 0% to 95%

Use no hooks

General information

This CE mark on a product denotes

conformity with the European

council directive 93/42/EEC(MDD)

concerning medical devices

European Representative:

Wellkang Ltd.

Suite B, 29 Harley Street, London,

W1G9QR, UK

PZN: 2686378

Manufacturer:

Shenzen Jumper Medical Equiment

Co. Ltd

Made in China

General Importeur:

Egerium B.V.

Kleveringweg 25

2616 LZ Delft

the Netherlands

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Luvion AngelSounds Manual

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