1, anesthesia ventilator ,why start after going over a long period of time to start?
Anesthesia breathing machine boot normally 3 ~ 5 seconds will be able to start, over a long period of time starting, generally 9V battery capacity of power and inadequate warning. 9V batteries are generally replaced once a year, if the capacity of less than a year note on the sharp decline in the use of flawed. Some anesthetists used to complete surgery, anesthesia ventilator to do with the power pull off, so that power outages will cause alarm, the battery-consuming.

2, inadequate flow of anesthesia ventilator alarm, why regulate flow switch does not work?
Such failures occur are more clinical, in particular, have occurred in adults folding folding ball or the ball for children with children who folded folding the ball replaced by the ball when the ball is not fitted in place due to folding alarm occurs when consumers can not afford to fail. To ensure the patient's tidal volume, anesthesia ventilator is generally set to zero Optocoupler, each optocoupler respiratory cycle should be zero pulse signal, a warning is not on production.

3, anesthesia machine monitor the oxygen concentration on the go.
Oxygen concentration sensor is also known as the oxygen electrode in general for one year plus a dielectric fluid. Some users do not have nitrous oxide oxygen sensor is not installed, therefore, available for a year also failed. Oxygen sensor mounted on the anesthesia machine should be 21% after calibration. Calibration is automatic, but the calibration when the sensor must be removed from the anesthesia machine to put the air. Based on the above require the use of oxygen concentration will be normal.

4, anesthesia machine leak.
Anesthesia machine leaks often occur in clinical problems. Here talked about leaks are mainly two anesthetists feeling, a feeling that the output of no moisture compared with the low tidal volume, the patient atelectasis. The other feeling is that the machine seems to have heard a slight sound leakage, and the oxygen-consuming large (refer to pump gas with the oxygen storage.) In such cases the block diagram according to Figure 1 from the two aspects of the investigation, on the one hand listen to the sound with anesthesia machine with soap and water testing of internal leak investigation, and if we do not leak inside, you can check the circuit leakage. The specific method is to take simulated lung One only, with quick buttons to 2.0Kpa inflated around, and then from the five areas described in the block diagram to find a cause.

5, anesthesia ventilator output of tidal volume is too small
Clinical anesthesia surgery, the anesthesiologist that the body weight calculated according to the patients tidal volume is correct, but the monitor does not display, or in patients with atelectasis, hypoventilation, encountered such a situation was first opened to check the meter is not If there is no fresh gas will have to add this. Second, because the anesthesia machine time was spent a long time anesthesia machine and breathing circuit connecting pipe where there will be water, water will also have resistance to these failures. Refer to Figure 2 the specific procedures to be checked.

6, anesthesia machine less than a meter off to zero.
Anesthesia machine flow switch is used needle valve, each closed off to be optimistic, not too far off. If regular off too much and over time the damage of the needle valve, resulting in less than a zero off. -Mediated approach is to open the decision to re-adjustments.

7, anesthesia machine gas consumption great sense of leakage anesthetic. Surgeons, anesthetists are a headache.
Flow rate of gas consumption is as great now too big switch transfer, generally do not report to the police in ensuring traffic flow switch as far as possible under the premise that the adjustment is too low, may be appropriate to add some breathing Ping Taiwan.
Sense of leakage anesthetics should first check the evaporator. The evaporator can be taken down from the pedestal, check the seat two O-ring is intact, and then check the flow switch, generally open 1 to 1.2 liters / min, because too wide emissions are greater. This work was also done after the feeling of local anesthetic can be omitted from the ventilator on the back of the trachea then a long plastic tube to the outside. 
 

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