5 months of attachment

Friday, March 31, 2006

FiFteeNtH dAy Of aTTaChmEnT

What i really did for the whole morning? I spend close to 3 hours in checking the military anesthesia ventilator is working properly by using a pressure/volume/frequency analyser to see whether the value of the various variable such as volume delivered and frequency obtained is close to the desirable value that you set. When i saw the reading for the volume delivered is way off the desirable setpoint, i heard a "hissing" sound which indicates there is a leak somewhere in the machine. Curious of me went to ask Mr Sin what the problem that caused the leaking. He told me that the dump water valve, which connects the reservoir (a storage of compressed air during expiration) to the opening to release some oxygen, is not working. He roughly told me how it works by looking at the schematic just to give me a brief idea. For my better understanding, i read the user's manual to know about the device like what the compressor does and how the device able to produce the 21% of oxygen. We are only allowed to check the medical devices that are for military use.

Did a weekly routine which is delivered all the devices to their locations. I delivered the infusion pumps, transmitten suction unit and the monitor to ward 3, ward 7, ward 12 and ward 11. One of the infusion pump was from SICU but they lent to the ward 11 so had to go to these two locations to check with them.

There are two devices that was known as faulty by the nurses in ward 1 and 12. they are the sphygonomometer and ECG. For the sphygonomometer, we analysed the device in the ward but it was unable to turn on. Faz brought back the equipment back and asked me to find the causes so i checked the fuses and the power cord. Everything seems fine so i plug the same power cord into it and it was turned on. It started to function properly. For the ECG, the cause of unable to indicate the charging is the power cord as the LED lights up when we plug another device's power cord.

Last but not least, i took the gastroscope to the department for the repair as the tip of the scope is damaged.

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