Siemens LITHOSTAR Multiline Guide

LITHOSTAR Multiline

Print No.: RXL2-120.071.01.04.02 Doc. Gen. Date: 05.97

Replaces: RXL2-120.071.01.03.02

The reproduction, transmission or

use of this document or its contents

is not permitted without express

written authority. Offenders will be

liable for damages. All rights,

including rights created by patent

grant or registration of a utility

model _or_design,_are_reserved.

Instructions for isocenter adjustment

Adjustment instructions

LITHOSTAR Multiline Register RXL2-120.071.01 Page 2 of 4 Siemens AG

Rev. 04 05.97 TD SP 1 Medical Engineering

0 - 2 Revision

Chapter Page Revision

01-404

11-204

2 1 - 10 01

31-201

Contents 0 - 3

Siemens AG Register RXL2-120.071.01 Page 3 of 4 LITHOSTAR Multiline

Medical Engineering Rev. 04 05.97 TD SP 1

1 _______General_______________________________________________________1 - 1

Tools and auxiliary devices required . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1

2 _______Centering the X-ray tube / Image intensifier_________________________2 - 1

Parallelism check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1

Determining the electrical I. I. center . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 2

Adjusting the 23 cm I.I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 3

Parallel adjustment in the patient longitudinal direction . . . . . . . . . . . . . . . 2 - 3

Parallel adjustment in the patient transverse direction . . . . . . . . . . . . . . . 2 - 3

Adjusting the 33 cm I.I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 4

Removing the I.I. mounting covers . . . . . . . . . . . . . . . . . . . . . . . . .2 - 4

Parallel adjustment in the patient longitudinal direction . . . . . . . . . . . . . . . 2 - 4

Parallel adjustment in the patient transverse direction . . . . . . . . . . . . . . . 2 - 4

Adjustment of the isocenter, +30°/-10° position . . . . . . . . . . . . . . . . . . . . . 2 - 5

Adjustment of the isocenter, +30° position . . . . . . . . . . . . . . . . . . . . . 2 - 5

Adjustment of the isocenter, -10° position. . . . . . . . . . . . . . . . . . . . . . 2 - 7

Cross hairs adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 8

Image orientation check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 8

Final steps. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 9

3 _______Changes as compared to previous versions ________________________3 - 1

Page

0 - 4 Contents

LITHOSTAR Multiline Register RXL2-120.071.01 Page 4 of 4 Siemens AG

Rev. 04 05.97 TD SP 1 Medical Engineering

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1 - 1

Siemens AG Register RXL2-120.071.01 Page 1 of 2 LITHOSTAR Multiline

Medical Engineering Rev. 04 05.97 TD SP 1

Tools and auxiliary devices required 1

•Standardinstallationtools

•Waterlevel

•M6 washer(holediameter6-6.5 mm)

These instructions describe all centering procedures. Perform only the

adjustments necessary for the system you are servicing.

Shock wave head replacementTube - Collimator replacement Camera replacement

Image orientation check

Final steps

Adjustment of Isocenter

- 10° position

Adjustment of Isocenter

30° position

Centering the tube - I.I.

Adjustment of Isocenter

- 10° position

Adjustment of Isocenter

30° position

I.I. replacement

Determining

the electrical I.I. center

Centering the tube - I.I.

Adjustment of Isocenter

30° position

Adjustment of Isocenter

- 10° position

Cross hairs adjustment

Parallelism check Parallelism check

NOTICE

General 1

LITHOSTAR Multiline Register RXL2-120.071.01 Page 2 of 2 Siemens AG

Rev. 04 05.97 TD SP 1 Medical Engineering

1 - 2 General

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2 - 1

Siemens AG Register RXL2-120.071.01 Page 1 of 10 LITHOSTAR Multiline

Medical Engineering Rev. 01 05.97 TD SP 1

Parallelism check 2

•Removethecoversoftheshock wavehead.

•Mounttheshort tableextensionto the leftside ofthetable.

•MovetheC-arminto the0°position.

•RemovetheI.I. collisionprotection.

- Insertthe jumper atX18ormakea connectionusinga wire.

When replacing the X-ray tube:

•Priorto mounting thecollimator to the machinedflangesurface (3/Fig.1) ,placea

protractorspiritlevelon theflangeand check whetheritis level.

•Ifnecessary,adjustthe position.

Adjusting the X-ray tube:

When replacing the I.I.:

•Checkthatthe image intensifieris level.

Placea waterlevelonthemachined surface(4/Fig.1)and adjust asfollows:

Adjusting the I.I. parallelism:

Fig. 1

- Patient longitudinal direction4x screws (1/Fig. 1)

- Patienttransversedirection Mounting ring screws (2/Fig. 1)

- 23cmI.I. Patient longitidunal direction

Patient transverse direction screws (3/Fig. 2)

screws(4/Fig. 2)

- 33 cmI.I. Patient longitudinal direction

Patient transverse direction screws (4/Fig. 4)

screws (3/Fig. 5)

Centering the X-ray tube / Image intensifier 2

LITHOSTAR Multiline Register RXL2-120.071.01 Page 2 of 10 Siemens AG

Rev. 01 05.97 TD SP 1 Medical Engineering

2 - 2 Centering the X-ray tube / Image intensifier

Determining the electrical I. I. center 2

•Attacha washer to thecenterof theI.I.input.(Removethe grid;theplate withthe center

crossmay remain attached.)

•Attacha transparentpieceof tape inthecenterofthe monitor.

•Selectthe smallestzoomformat.

•Releasefluoro.

•Marktheimage of thewasheronthe adhesivetape.

•Select full format.

•Releasefluoro.

Thewashermustappear centeredon themarking(smallestformat on theadhesive

tape).

•Ifnecessary,shiftthe washeronthe I.I. inputand repeattheentire procedure,untilthe

"electricalcenter" isdetermined.

(tolerance±1mm).

Centering the X-ray tube / Image intensifier 2 - 3

Siemens AG Register RXL2-120.071.01 Page 3 of 10 LITHOSTAR Multiline

Medical Engineering Rev. 01 05.97 TD SP 1

Adjusting the 23 cm I.I. 2

Parallel adjustment in the patient longitudinal direction 2

•Removethe9 screws(1/Fig. 2).

•Theimageintensifiercanbe shiftedinthe patientlongitudinaldirectionbyloosening or

tightening the 4 screws (2/Fig.1) .

Parallel adjustment in the patient transverse direction 2

•Turningthe screw (1/Fig.3) shiftsthe I.I.inthepatienttransversedirection.

•Retightenthe 9 screws(1/Fig.2).

•Closethecollimator.

•Releasefluoroandcheckwhetherthe radiationfieldappearsto be centeredto the

markingonthe image intensifier(washerorcentercross).

If not, proceed as follows:

•Removethelowerrubber panellingwith a 2.5mm Allenkey(2screws).

•Loosen thetwo screws on the inside with a3mm Allen key.

•Removethepanelling from the topoftheC-arm (4 panellingscrewswith 2.5mm Allen

key)

•Loosenthetwo screws witha6mmAllen key, butdo not remove them.

Therubberpanellingcannow be removed towardsthetop.

•Reinstall the rubber panelling in the reverse order.

Fig. 2 Fig. 3

LITHOSTAR Multiline Register RXL2-120.071.01 Page 4 of 10 Siemens AG

Rev. 01 05.97 TD SP 1 Medical Engineering

2 - 4 Centering the X-ray tube / Image intensifier

Adjusting the 33 cm I.I. 2

Removing the I.I. mounting covers 2

•Loosentheset screwsontheU-latch and remove them fromthetop.

•Loosenonlythe 6 coverscrews(white); donotremove them.

•Loosenthe4 cover clampsandremovethe cover.

•Loosen only the two upperand four lowerwhite cover screws; do not remove them. Pull

thecoverofftowardthe back.

•Reinstallthe coversin thereverseorder.

Parallel adjustment in the patient longitudinal direction 2

•RemovethefiveAllenscrews (1/Fig.4)(Only3 screwsare pictured).

•TheI.I.(2/Fig.4) can be shiftedwiththe screws inthepatientlongitudinaldirection.

•Retightenthe fiveAllenscrews (1/Fig.4).

Parallel adjustment in the patient transverse direction 2

•Removethe7screws(1/Fig.5) on each side.

•TheI.I.can be shiftedwiththe screw (2/Fig.5) inthepatienttransversedirection.

•Retightenthe screws(1/Fig.5).

Fig. 4 Fig. 5

Fi 1

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