Exposcop plus manual

Ziehm Plus with flat screen monitor : Approx. Small mode will reduce two images and prints side by side. Zoom 1. Zoom 2X mode will prints the image after expanding it 2.

Large mode extracts a vertical strip from the center of the screen, and prints it after expanding it 2. The Ziehm Exposcop is not only technically refurbished but also cosmetically refurbished to make it work and look like new. When the refurbishing process starts on the Ziehm Exposcop , it is carefully inspected and tested by our own in-house biomedical engineers that are highly skilled and certified to work on C-arms. If necessary, parts are replaced to make sure that all aspects of the Ziehm Exposcop to the original engineering manufacturer specifications.

There are no exceptions to the rules. Only conductors, connecting cables and accessories that are specified by the manufacturer may be used. CAUTION Using components other than those specified may result in increased electromagnetic emissions or reduced electromagnetic immunity. Laser positioning device The laser positioning device uses diode laser modules which emit laser radiation.

Do not under any circumstances look directly at the laser beam or any scattered laser radiation — either with the naked eye or with optical instruments. Make sure to comply with all operating safety precautions when using the laser positioning device.

The maximum output of continuous laser radiation, measured at the beam exit, is. Ziehm ,Vista,Compact - Service manual - Copy. Please read this 24 0 4MB Read more. Your name. Close Submit. Our partners will collect data and use cookies for ad targeting and measurement. The following preventive maintenance should be performed at six-month intervals, or whenever the equipment has been subjected to any use or conditions w h i c h may compromise the safe operation of the system.

This maintenance is to be arranged by the user and must be performed by qualified personnel. The unit is i n default "power u p " condition see Page It must display the following values:. Generator to be covered u p w i t h lead apron.

F o l d apron until k V is reached i n Fluoro mode. The beam centering a n d size has to be checked periodically, also if the unit is o u t of operation for a longer time period.

Cone-in position of p r i m a r y beam shutters. The drift from center position is to be checked at the Fluoro image screen. Position at the image intensifier center an object e. Field size shutters: The primary shutters must be visible at monitor screen. IEC IEC Symbol. Earth O " W h e n power is switched off, there is a starting circuit always powered. For complete disconnection from M a i n s the power cord plug must be removed from IEC Symbol. The mechanical brakes for the C - A r m should always be secured i n the locked position.

This is especially important when the equipment is i n transport. The locked position of the handles may be adjusted b y lifting the spring-loaded handle, rotating it to a new position and dropping it back d o w n. The C - A r m P O cable attachment point is s h o w n above i n picture 4. The attachment connector for the monitor cart is shown i n picture 5.

There is a RS video signal w i t h the image f r o m the left monitor for use w i t h external video recording machines or external monitors or printers and so on. Consideration relating to the choice shall include:. The C - A r m is capable of degrees of orbital movement.

Ninety 90 degrees f r o m horizontal to vertical, and 25 degrees beyond vertical. In each position of this movement, the brake can be released. The C - A r m is capable of approximately 22 c m of horizontal travel and locked i n any position.

W h e n it is pushed d o w n , the brakes are engaged. W h e n it is lifted, the brakes are released. The mobile stand m a y easily be maneuvered into the desired position by pushing the handles on either side as illustrated i n Picture 7a. The two wheels located beneath the lever may also be steered as illustrated i n Pictures 7b and 7c. The use of the E X P O S C O P i n Fluoroscopy can be as simple as powering o n f t e system, w a i t i n g approximately 30 seconds for the cathode filament to preheat, and activating the hand or foot switch to v i e w the first image.

These options are described in subsequent sections of this manual. T u r n o n unit, as described i n , Chapter 4. The Fluoro operation can be released via hand or foot switch. Contrast and brightness for the T V monitors can be individually adjusted if the corresponding knob is pulled out.

If the corresponding contrast button is i n the push-in position, the preset values are obtained, w h i c h generally provides optimal results. In that position, both contrast and brightness of the corresponding monitor cannot be changed. W i t h release of the Fluoro switch, the radiation is interrupted and the last i m a g e is held at the left monitor. Continues Flouroscopy W h e n radiation is present, the live image is displayed. Page Page 1. Vertical position motorized 16 Radiography Time Select 28 2.

Image Reversal Vertical 22 3. OFF 12 Image Rotation - Left Monitor Select 22 5. Reset O n radiation time and audio alarm25 Image Rotation - Right M o n i t o r Select 22 6. Image Rotation 22 7. Subtraction Type M o d e s 22 8. Organ Button 22 9.

Fluoroscopy 20 Image Store Disk 20 Pulsed Fluoroscopy 20 M e t a l Filter Function 20 Snapshot 20 Soft Filter Function 20 Remote Contrast C o n t r o l 21 Slot Collimator Left T u r n 23 Iris Collimator Close 23 S y m b o l Failure Overheating Indicator 20 Radiography M o d e 28 Radiation Indicator 25 Radiography F i e l d Size Section Section 1. Image Forward Reverse Recall 20 2.

New Patient File 18 Image Page 20 3. Alpha Keys 18 Patient File 20 4. Enter 18 Hardcopy 20 5. Left to Right Image Transfer 20 6. Numerical Keys 18 Cine Edit 20 7. Text Insert Key 18 Right to Left Image Transfer 20 8. Shift Key 18 Cine Recall 20 9.

Inv Video 20 RSA 19 Auto Store 21 DSA 19 Cine Store 21 Edge 19 Image Store 21 Noise 19 Image Crop 22 U H Noise 19 Arrow Keys 22 WNDW 19 VCR 19 Frame Rate 19 Escape 22 Mask 19 Shift Mask 22 CineReset 19 Sharp 22 The tube current is automatically controlled at any given kV value with selection of the following Fluoro modes.

For appropriate tube curves, see Appendix. The selected operating mode is indicated by the corresponding led. The electronically selected tube current is displayed at the mA display see Picture 8. By pushing the hand or foot switch, the radiation is turned on and off in intervals of approximately one second. This procedure reduces the dose rate essentially. Pushing the button again brings back the equipment to the standard operating mode.

The snapshot is released only with the hand switch. The fluoroscopy voltage of 8 mA and the maximum image integration results in an excellent image quality.

N O T E : With small objects hands, for example , it can result in an overexposure. When selecting one of the fluoroscopy program keys, a characteristic is selected which produces an optimal result of the marked areas. M S A preserves during the contrast injection regions with greatest contrast i n the image.

This results i n maximum visualized opacification of the vascular injection. Press the M S A key on the C - A r m control or the monitor control keyboard to enable maximum opacification. Perform scout fluoroscopy using the standard fluoroscopy mode and position the patient.

Press the hand or footswitch to start fluoro. The right monitor displays the Live fluoroscopy image while the left monitor displays the subtracted peak- opacified image after the mask has automatically been acquired. When the subtracted image is displayed on the left monitor w i t h INJECT message and optional audible alert is heard start the contrast injection. Release foot or handswitch when a fully opacified vascular anatomy is obtained. The process monitor w i l l display the procedure w i t h preservation of regions with greatest contrast occurring i n the image during the injection.

Peak opacification will automatically be enabled for the first part of the procedure. The right monitor displays the Live fluoroscopy image while the left monitor displays the subtracted peak-opacified image after the mask has automatically been acquired. When the subtracted image is displayed on the left monitor with INJECT message and optional audible alert is heard start the contrast injection.

The process monitor will display the procedure with preservation of regions with greatest contrast occurring in the image during the contrast injection.

The subtracted ROADMAP image will be displayed live on the process monitor while the right monitor displays an un-subtracted live fluoro image. Auto store may be turned on with MSA to store the image at the time the foot or handswitch is released. Select body region key and perform fluoroscopy for correct patient position and orientation.

Press the hand or footswitch when the subtracted image is displayed on the left monitor with INJECT message and optional audible alert is heard start the contrast injection.

Release the footswitch or hand switch when the desired vascular anatomy has been visualized. The acquired images w i l l automatically be replayed in a continuous loop.

U n t i l the user exits D S A or starts a new acquisition. Five cine runs can be stored for the active patient. NOTE: The activation of the footswitch over rides all other activities. Therefore the operator should press the store key on the C-Arm or the cine store key on the monitor keyboard to protect image acquisition before starting a new procedure.

Cine operation key's are listed below w i t h brief description of function:. Cine Recall A l l o w s post processing of image acquisitions.

Cine Edit A l l o w s operator to select image acquisitions to delete. MASK Subtraction mask can be selected from run. Variable landmarking changes mask intensity. Shift Mask Registration of mask if patient moves. Frame Rate Dynamic image frames stored. If there are parts of metal on the ray path, the image on the monitor is displayed too bright. It can be added to every fluoroscopy program. By pushing this key, the selected fluoroscopy program is turned off.

The SOFT function should be turned on if, for example, an injection needle and skin shapes are to be displayed. Pushing this button again turns off the Soft function and the fluoroscopy program which was selected before is turned on again. This function is automatically selected when turning on the equipment.

The dose rate is split in half and thus reduces the radiation strain on the patient and on the personnel to a minimum. If required, this function can be turned off when pushing the button.

The Contrast keys have more than one use depending o n options purchased and mode of operations selected. W h e n p u s h i n g both keys at the same time, the image returns to standard image contrast setting. D u r i n g normal fluoroscopy portion of the D S A procedure the Contrast Key's adjust image contrast.

Press Booth Contrast Key's at the same time to return to full frame rate or press booth again to change the replay frame rate. Contrast Key's are set to recall images only. Press Contrast key's to step one image per press forward or reverse or hold key d o w n to. Note operation number 2 and 3 require optional software and or hardware modules to operate. The k V level is normally controlled by the automatic dose rate control. The operator may elect to set the level manually by pressing. A button 10 on the mobile stand so it is muminated and adjusting the k V setting with button Pressing once w i l l increase or decrease the k V setting by one k V.

H o l d i n g the button for more than 2 seconds KV w i l l quickly advance or decrease the setting. Pressing button 10 again w i l l return the system to automatic control of k V. Once a k V level has been established by the automatic dose rate control circuit the setting may be locked i n by switching to manual k V. It is selected by pressing button 23 on the mobile stand and w i l l magnify the image by a factor of 1. Z o o m 2 w i t h optional triple mode I. To select left or right monitor for image rotation, press the appropriate button.

NOTE: The select button for the right monitor is not used with compact unit. The image on the selected monitor can be rotated by pushing these buttons. If both buttons are shortly pushed at the same time, the image automatically rotates into the standard position. This function is immediately interrupted if one of the two buttons is pushed again. Activation of these buttons reverse the image vertical, head to toe or horizontal, side to side.

To close iris, press button To open iris, press button Hold any button down for a longer duration. The iris motor speed will gradually increase. Hold both buttons down at the same time. Iris will open to maximum size. Press button 18, iris rotates to the left.

Press button 19, iris rotates to the left. Cannot be activated during live Fluoro. Activate when no radiation is present. The left image with text moves to the right monitor, and the right monitor image, without text, moves to the left monitor image swap. Using the left monitor for A P and right monitor for lateral allows individual monitor yoke rotation.

NOTE: With Compact unit, this function can only be used in conjunction with the monitor cart connected. Momentarily press button 30 to "store" live or last image hold to disk. Text message "Store" will blink at lower half of monitor and a image store sequence number is shown in upper right corner of monitor. When Cine Acquire and dynamic image replay is running press button 30 to store the Dynamic image run to the patients cine file. When in Cine step mode press button 30 to store single image on left monitor to the patient image file.

NOTE: This button is not used with compact system. The k V level is displayed at location 35 on the mobile stand. After Fluoro, the last k V setting w i l l be stored and displayed.

The k V setting may also be controlled manually as KV described i n Section 9. The m A level is displayed at location 36 on the mobile stand, The level is always adjusted by the system i n response to the k V setting so that optimum performance may be achieved with the I I I I I I x-ray tube.

The m A is displayed during active fluoroscopy. Snapshot is fixed at 8 m A and radiographic is 20 m A. In radiographic mode, a fixed current of 20 m A is adjusted. A l I I I selected exposure time from 0. Indication of the dose area product i n c G y c m. Adjustment of the 2. That means dose area product and fluoroscopy time display are reset. By pushing both buttons more than 2 seconds , the " T E S T " function is effected i n checking the operation of the dose display.

The display indicates fluoroscopy and radiography time in minutes and seconds. After tennination of 5 minutes of total radiation time, a sound signal starts and the red LED is flashing. When pushing this button shortly, the sound signal is turned off while the LED continues to flash. When pushing the button longer than 2 seconds, flashing of the red LED is terminated. At the same time the indication of the radiography time and, if available, of the dose area product is reset to zero.

If this indicator is continuously flashing, the equipment must be turned off. Before turning on again, the generator must be cooled down. Instruction: When turning on the equipment, the overheating indicator will flash for a few seconds. There are three methods to indicate that radiation is being generated. Location 41 on the mobile stand will be uluminated, the amber light on top of the left monitor will be on, and the " Ready Fluoro" indication in the lower part of the left monitor will change to indicate "Fluoro" fluoroscopy radiation on.

When equipment is first turned on, the over temperature and TJX radiation symbols are illuminated for a few seconds. It will display faults also 1 1 1 1 1 1 1 1 1 1 during use.

Error messages have an " E " prefix in front of the 1 1 1 1 1 1 1 1 1 1 code. Press hand or footswitch to clear fault. If the fault codes. Please cGycm 2 inform your Service Representative about the code number and serial number of system.

Spot film radiography is selected by pressing button 20 on the mobile stand so it is Uluminated. It may be activated only w i t h the hand switch. During the entire exposure, the acoustic alarm is activated. The exposure is interrupted if hand switch is not pressed down. A second radiography or fluoroscopy can be initiated after a second delay.

Radiography operates at a fixed tube current of 20 m A. Normally, radiography is preceded by fluoroscopy of the object of interest.

This w i l l establish the optimum k V setting and this setting w i l l automatically be used during radiography. Since the rube current remains fixed and the k V setting is set for optimum penetration, the dose may be controlled further only by varying the duration of radiography.

The time may be set from 0. The time is set w i t h button 22 and displayed at location 4 on the mobile stand, if exposure chart is deleted. The film cassette holder for spot film radiography is attached by the operator to the image intensifier. To attach the cassette holder, p u l l back the spring knob, position the holder on the image intensifier, and release the knob as illustrated i n Picture The collimator size is set during radiography for the size film used.

The laser airning device is installed i n the x-ray generator. A light cross is produced, the transposition point of w h i c h m a r k s the position of the x-ray rube radiation. Laser button 2 w i l l turn the laser beam on and off. Paper printer is an optional feature. These Keys are Located on the monitor Cart. Any caution message is displayed at the dose rate window in blinking fashion. Multitude messages are displayed in sequence.

In caution condition, the acoustical alert is activated. By briefly activating the hand switch or foot switch, any warning codes are erased. Any error code message is displayed at the dose rate window in blinking fashion and in sequence, if more messages are displayed.

The acoustical alert can be disabled by briefly activating the hand or foot switch. Should this condition occur during operation, the radiation signal is immediately interrupted.

Any attempt to reactivate radiation is not possible. The error code is constantly displayed in blinking fashion in the dose rate display window.

The acoustical alert remains activated. To clean the unit, use a towel that is moisturized with water and common cleaning solution. Do not use abrasive cleansers or solvents that contain alcohol or gasoline traces, or concentrated spot remover solutions. Immediately after cleaning the screens, wipe with dry cotton cloth all surrounding painted surfaces until they are dry. It can destroy the equipment paint job permanently.

For any other disinfecting substances, no guarantee can be given. Disinfection sprays cannot be used since the spray mist could get inside the equipment that could jeopardize its safety. Electronic components could get damaged and solution vapor gases could ignite. All rights reserved. Privacy Policy. Read Full Article Nov 14, Planning Your Imaging Project It appears that developers of Imaging Facilities are trying to establish construction plans, imaging systems and budget pricing without understanding how best to organize the project.

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Read Full Article Nov. Read Full Article Aug. Read Full Article How To Safely Buy Pre-Owned Medical Systems August 8, Very often there is a need to acquire additional capability in our health care facilities but there isn't always the funds to purchase a new, full-functioned, state of the art, diagnostic imaging system.

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