VOLKA MEDICAL TECH CO., LIMITED Cases

In the medical field, the importance of ultrasound equipment is self-evident. However, have you ever encountered problems such as difficulty in starting up the machine, worrying about damaging the equipment when shutting down, improper operation causing equipment failure, or improper maintenance of the probe affecting the use effect? Today, we will bring you a series of tips on the use of ultrasound equipment, so that you can operate it smoothly, efficiently and safely every step from startup to shutdown. Next, please follow our footsteps and explore the correct use of ultrasound equipment!   1. Precautions when starting up Start the voltage stabilizing device: First ensure that the voltage stabilizing device is turned on, and wait for its output to stabilize before proceeding to the next step. Start the ultrasonic host: After the voltage stabilizing device is stable, start the ultrasonic host. Avoid immediate operation: The device takes a certain amount of time from startup to ready. During this period, please avoid operating any buttons, especially to prevent accidental touching or careless cleaning. Wait for complete readiness: When the device starts and the image interface appears, please wait for 10 seconds to ensure that all startup tasks within the device are completed before proceeding.   2. Key points of shutdown Natural shutdown: After pressing the shutdown button, the device will perform a series of automatic shutdown actions. This process should not be interrupted artificially. Avoid direct power outages: Directly cutting off the power supply during shutdown may cause software instability or hardware damage.   3. Operating specifications Avoid frequent operations: The signal processing capability of the device is limited. Too fast and frequent operations may cause overload, stop responding or crash. Follow formal procedures: Different equipment has different operating procedures. It is recommended to follow the formal operating procedures of the equipment for daily work.   4. Probe maintenance Handle it with care: The probe is an expensive part of the ultrasound equipment. Please handle it with care when using it and avoid bumping or falling to the ground. Apply couplant: When applying couplant, avoid contact between the bottle mouth and the probe surface to prevent damage. Avoid dragging: When moving the device, do not drag it with the probe cable. Clean in time: Develop the habit of cleaning the probe regularly.   5. Crash handling Understand the cause of the crash: Ultrasound equipment uses a computer control system, which may trigger a crash due to accidental factors, but in most cases it can return to normal after restarting. Stay calm: When encountering a crash, please stay calm, handle it as if your personal computer has crashed, and observe the subsequent operation.     Mastering the correct method of using ultrasound equipment will not only make your work more efficient, but also effectively extend the service life of the equipment and reduce the failure rate. I hope the above content can provide you with substantial help and make you more comfortable in using ultrasound equipment. If you find this content useful, you may wish to share it with your colleagues and friends to improve our work efficiency and equipment usage together.

Fault phenomenon When using Hitachi ARIETTA 70 ultrasonic diagnostic equipment, it was found that there was obvious bright channel interference in the echo area of ​​the image, which affected the accuracy of diagnosis and the clarity of the image.     Failure analysis Based on the observed fault phenomenon, it is initially determined that the fault may be related to the RX board (receiving board). The RX board is an important part of the ultrasonic diagnostic equipment and is responsible for receiving and processing the echo signals captured by the ultrasonic probe. If the RX board fails, it may cause abnormal processing of echo signals, resulting in bright channel interference on the image.   Maintenance treatment Prepare: Confirm the fault phenomenon and prepare the tools and spare parts required for repair, including a new RX board. Understand the structure of the device and the location of the RX board for replacement.   Disassembly: Turn off the power to the device and disconnect all cables. Remove the left casing of the machine and the iron cover of the front chassis to expose the front board. There is the name of the corresponding board under each board. 5723 is the RX board. Find and remove the JUMPER board that connects the RX board, CWSRV board, and TX board to replace the RX board.   Replace: Carefully remove the faulty RX board, taking care not to damage surrounding components and connecting wires. Install the new RX board into its original location, making sure the connections are secure. Reconnect the JUMPER board, making sure all connections are correct. Close the front chassis and left side enclosure to restore the appearance of the device. Turn on the power, start the device, and observe whether the image returns to normal     Repair result After replacing the RX board, restart the device and observe the image. It is found that the bright channel interference has disappeared and the image has returned to normal.     Things to note During maintenance, make sure the equipment is turned off and disconnected from the power source to avoid electric shock and damage to the equipment. Be careful when removing and installing the board to avoid damaging surrounding components and connecting wires. After repairs are completed, comprehensive testing is performed to ensure that the functionality and performance of the equipment are restored to normal.

Fault phenomenon   Customers reported that except for the trackball and numeric keyboard of the GE VIVID Q ultrasound equipment, all other function buttons have lost their response and cannot be used normally.       Troubleshooting After power-on inspection, it was found that except for the trackball and numeric keyboard, the indicator lights of other function keys were not on and could not respond to operations. After preliminary judgment, the problem should lie in the control panel. Since there are multiple versions of the VIVID Q control panel, you need to find a control panel that matches the device and replace it. After determining the part number, start the disassembly work. First, carefully unscrew the screws at the bottom of the machine, then disconnect the cable between the control panel and the motherboard, making sure to remove the control panel safely. A new control panel was installed and all necessary wiring reconnected. Turn it on again for testing. The indicators of all function buttons light up and the buttons return to normal functions.       Repair results After testing, it was confirmed that the green light of the 2D key has turned on, and other function keys have also been comprehensively tested and can be used normally, and the fault has been resolved.

Fault phenomenon:   After the Hitachi ARIETTA 60 ultrasound equipment displays the HITACHI logo when it is turned on, the monitor and touch screen have no display, the control panel button lights flash in cycles, and the ultrasound interface cannot be entered normally.     Fault analysis:    1. After the HITACHI logo appears when the machine is turned on, there is no display, and the control panel button lights flash in cycles, indicating that the power supply of the machine is normal, so it is judged that the fault is caused by a problem at the back end of the machine. 2. The back end of the machine consists of BE motherboard, CELL board and system hard disk. It is on the right side of the machine and can be seen after opening the casing. First, check whether the system is faulty. After replacing the system hard disk, the same fault still occurs when the machine is turned on, so the BE motherboard is locked out. 3. Since the BE motherboard is connected to the TPRB and RDBF boards on the front end, you need to remove the front-end board first and disconnect other power connections on the BE motherboard. 4. After replacing the BE mainboard, the machine started up normally and all probes and functions worked normally.     Result:   After replacing the BE motherboard, the machine returned to normal use.

4. Sporadic fault type Sporadic failures are the most troublesome type of problem. Due to the uncertain and elusive nature of its occurrence, handling requires extreme care and patience. In the face of this type of failure, we need to carefully understand the pattern of failure, including the frequency and time of failure, the operating process of the user before and after the failure, and whether there are changes in the external environment when the problem occurs, such as temperature, humidity, electromagnetic interference wait. Maintenance engineers need to analyze and judge based on these nuanced clues, gradually narrow down the scope of the fault, and finally find out the root cause of the problem.       5. External environment fault   External environmental factors also have an important impact on the normal operation of ultrasound equipment. When the external environment temperature is too high or too low, it may affect the heat dissipation of the device or cause the performance of electronic components to be unstable; when there is electromagnetic interference in the external environment, it may interfere with the signal transmission of the device, causing image distortion or abnormal operation of the device. To solve such problems, we must first improve the environment. For example, when the indoor temperature is too high or too low, temperature adjustment equipment such as air conditioners can be added to keep the ambient temperature within the normal operating range of the equipment. For electromagnetic interference, it is necessary to investigate external interference sources and take measures such as shielding and filtering to reduce interference.       6. Hardware failure This type of problem is relatively clear, and the fault phenomenon is usually obvious, such as display damage, button failure, circuit board failure, etc. However, due to the complexity and professionalism of hardware faults, professional maintenance personnel need to conduct detailed detection and analysis through professional testing equipment and tools to accurately find out the cause of the fault and carry out effective repairs.

1. Operation setting failure This type of failure is common in daily use and is usually caused by improper operation settings by the user. For example, in terms of parameter adjustment, failure to achieve the best results may lead to problems such as insufficient image clarity and inaccurate measurement data. If the external video output setting is wrong, the image will not be transmitted to the external display device normally, affecting the doctor's observation and diagnosis. What's more, some users mistakenly think that the instrument is malfunctioning due to operating errors because they are not familiar with the operation of the instrument. Don't panic too much when encountering this kind of situation. First, you should calmly check the operating settings, identify and correct them in time. If you are unable to determine the problem yourself, you can consult the equipment operation manual if necessary, which usually contains detailed operating instructions and solutions to common problems.   Of course, you can also consult professional after-sales personnel. We have professional knowledge and rich experience and can provide you with accurate guidance quickly.     2. System software data failure   During the operation of ultrasound equipment, data loss in the system or software is an important cause of instrument abnormalities. This may cause problems such as abnormal image display and inability to use functions properly. Fortunately, in most cases, these problems can be solved by restoring the system or reinstalling the software. However, special attention should be paid to the fact that when dealing with this type of fault, you must make careful judgments to avoid misdiagnosing software problems as hardware problems and rashly dismantling the machine. Disassembly may not only damage the device, but may also cause the device to lose its warranty qualification, causing unnecessary losses to you.       3. Failure caused by abnormal use Such faults often cause headaches, including illegal shutdowns, unstable voltage, unexpected power outages, water intrusion into the equipment, damage by external forces, lightning strikes and other abnormal situations. Each situation may cause varying degrees of damage to the equipment. For example, illegal shutdown may cause system file damage and affect the normal startup of the device; unstable voltage will impact the electronic components of the device and shorten its service life; unexpected power outage may cause data loss; after the device is flooded, if Powering on the equipment without cleaning and drying may cause a short circuit, leading to more serious failures; damage from external forces may deform the mechanical structure of the equipment and affect its accuracy; lightning strikes may directly damage key components of the equipment. Therefore, once such a fault is discovered, the possible consequences must be quickly analyzed based on the cause of the problem and corresponding measures must be taken. For example, for equipment that has been flooded with water, the power should be cut off immediately and sent to professional maintenance personnel for cleaning and drying.