Gammex 403 LE Скачать руководство пользователя

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Gammex, Inc.

P.O. Box 620327
Middleton, WI 53562-0327 USA

1 800 GAMMEX 1

(426-6391)

1 608 828 7000
Fax: 1 608 828 7500
www.gammex.com
e-mail: [email protected]

Gammex-RMI LTD

Broadway Business Centre
32A Stoney Street
Nottingham NG1 1LL
United Kingdom
+44 0115 9247188
Fax: +44 0115-9247189
e-mail: [email protected]

Gammex-RMI GMBH

Bergstrasse 2
35398 Giessen
Germany
+49 6403 774 2293
Fax: +49 6403 774 2526
e-mail: [email protected]

Содержание 403 LE

Страница 1: ...403 LE Precision Multi Purpose Phantoms User s Guide...

Страница 2: ...e Phantom 7 Target Specifications 11 Cystic Targets 11 Pin Targets 11 Resolution Target Groups 11 Phantom Specifications 13 Physical Specifications 13 Tissue Mimicking Background Material 13 Low Scatt...

Страница 3: ...onic caliper measurement Pin targets have been included to allow for testing high frequency transducers that are designed to image the first few centimeters of tissue The phantom uses the latest techn...

Страница 4: ...temperatures will accelerate desiccation Weigh the 403 LE to monitor desiccation Weigh the phantom when you first receive it and then every 6 months after that Record the values on the data sheet Do n...

Страница 5: ...l or lanolin based gels as a coupling medium Poor transmission is a result of insufficient coupling Do not press the transducer into the scanning surface This damages the scanning surface and will sho...

Страница 6: ...l correspond very well to measured values seen in human tissue These qualities give the phantom its smooth appearance and allow the use of normal scanner control settings which mimic a realistic scann...

Страница 7: ...om You may notice that the tissue echoes near the bottom of the phantom fade into noise The depth at which usable echoes disappear is called the depth of penetration The depth markers on the phantom l...

Страница 8: ...in targets The vertical pins have 2 cm spacing while the horizontal pins have 3 cm spacing Use the pin targets to determine vertical distance accuracy and horizontal distance accuracy Note that the hi...

Страница 9: ...o vertical overlap is called the scanner s axial resolution Pin targets are resolved axially if an imaginary horizontal line can be drawn between the targets without touching either target The targets...

Страница 10: ...et groups as part of the cyst imaging test 9 Decrease image depth to the minimum and examine the dead zone target group The dead zone targets can also be used to measure lateral resolution in the extr...

Страница 11: ...cing 10 mm at 2 to 4 cm deep 20 mm at 4 to 16 cm deep Horizontal spacing 30 mm at 2 and 12 cm deep additional pin spaced at 10 mm in shallow set Resolution Target Group 3 8 and 14 cm deep All acoustic...

Страница 12: ...12...

Страница 13: ...eed of sound 1540 10 m s Temperature dependence on speed of sound 1 5 m s C Attenuation coefficient 0 7 0 05 dB cm MHz 0 5 0 05 dB cm MHz refer to phantom side label Nonlinearity parameter B A 6 6 0 3...

Страница 14: ...attenuation as there would be if the higher frequency were used to generate the pulses at the transducer So higher frequency resolution occurs for greater depths within the subject than if conven tion...

Страница 15: ...controlled environments the phantom weight should be checked every six months Phantoms used in high temperature low humidity environments or in mobile situations should be tested more frequently As th...

Страница 16: ...y Seller upon Seller s ex amination Buyer shall pay all transportation charges SELLER SHALL NOT BE OTHERWISE LIABLE FOR ANY DAMAGES INCLUDING BUT NOT LIMITED TO INCIDENTAL DAMAGES CONSEQUENTIAL DAMAGE...

Страница 17: ...ours are Monday through Friday 7 30 am to 5 00 pm Central Time 1 800 GAMMEX 1 426 6391 1 608 828 7000 1 608 828 7500 Fax e mail sales gammex com Service Department hours are Monday through Friday 7 30...

Страница 18: ...18 Notes...

Страница 19: ...19 Notes...

Страница 20: ...0 www gammex com e mail sales gammex com Gammex RMI LTD Broadway Business Centre 32A Stoney Street Nottingham NG1 1LL United Kingdom 44 0115 9247188 Fax 44 0115 9247189 e mail uksales gammex com Gamme...