Samsung SONOACE R5 Manual do Utilizador descarregar pdf (Página 435)

Reference Manual 127

EVN4-9: Pulsed Doppler & 2D+Pulsed Doppler

Index Label

M.I.

TIS TIB

TIC

scan

non-scan

non-

scan

aprt

≤1 A

aprt

Maximum Index Value 1.400 0.594 0.617 0.483** 1.420 (b)

Associated

Acoustic

Parameters

r, α

(MPa)

2.940 – – – – –

(mW)

–

2D P1:2.190

PD P1x1:21.920

PD P1x1:

25.664

–

PD P:

19.300

(b)

Min.of

(zs), Ita,

)x1cm

]

(mW)

– – – 20.105 – –

(cm)

– – – 0.700 – –

(cm)

– – – 1.043 – –

(cm)

– – – – 0.700 –

z_at_max_Ipi, α

(cm)

0.600 – – – – –

)

(cm)

– – – – 0.239 –

awf

(MHz)

4.420

2D :5.620

PD :5.130

5.050 5.050 5.160 (b)

Dim of A

aprt

X (cm)

–

2D :1.730

PD :0.633

0.633 0.633 0.295 (b)

Y (cm)

– 0.600 0.600 0.600 0.600 (b)

Other

Information

(µsec)

0.829 – – – – –

prr

(pulses/sec)

999.000 – – – – –

at max. I

(MPa)

3.020 – – – – –

at max. I

(cm)

– – – – 0.209 –

pa, α

at max. MI

(W/cm

)

309.000 – – – – –

Focal Length

FLx (cm)

– – 4.000 4.000 – –

FLy (cm)

– – 2.300 2.300 – –

Operating

Control

Conditions

Control 1 MI

Control 2 TIS_as

Control 3 TIS_as_U TIS_bs

Control 4 TIB_bs

Control 5 TIC_as

Control 1: PulsedDoppler Mode, PD:4.4MHz,Focus:2.0Cm,Data No:3109721336-563195

Control 2: 2D+PulsedDoppler Mode, 2D:6.2MHzPD:5.1MHz,Focus:4.0Cm,FR:20.300,Data No:3110253259-717378

Control 3: PulsedDoppler Mode, PD:5.1MHz,Focus:4.0Cm,Data No:3109750355-515051

Control 4: PulsedDoppler Mode, PD:5.1MHz,Focus:2.0Cm,Data No:3109757202-619709

Control 5: PulsedDoppler Mode, PD:5.1MHz,Focus:1.0Cm,Data No:3109756048-259922

FDA Tables

Symbols and Denitions

All table entries have been obtained at the same operating conditions that give rise to

the maximum Index Value in the second row. Due to the complexities of the system user

interface, it may be dicult to exactly replicate the declared condition. Contact Samsung

Medison for further information.

Symbols used in the table are described below.

MI the Mechanical Index.

TIS

scan

the Soft Tissue Thermal Index in an auto-scanning mode.

TIS

non-scan

the Soft Tissue Thermal Index in a non-auto-scanning mode.

TIB the Bone Thermal Index.

TIC the Cranial Thermal Index.

aprt

the area of the active aperture (square centimeters).

r.3

the derated peak rarefactional pressure associated with the transmit pattern giving

rise to the value reported under MI (meg zapascals).

For TIB and TIC: time average acoustic power at the source, in milliwatts. (Also see

the denitions for W

and W

01x1

that follow.)

For TIS scan, W

= W

+ W

o1x1

For TIS non–scan, W

= W

o1x1

For scanning modes and/or scanning components of combinational modes:

time average acoustic power at the source, per cm, in milliwatts. This is the

acoustic power emitted from the central 1–cm length, in the scan direction,

of the aperture corresponding to the scanned pulses.

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