In China, using
anesthesia drug in major surgery to reduce patients suffering has been a long
history. With the actual needs of the continuous development of the biomedical
engineering and clinical work, anesthesia machine
as inhaled general anesthesia is widely used in anesthesia, has
become an indispensable medical equipment for major surgery. Anesthesia machine
has become the conventional medical equipment essential for our operating room,
the patient's rescue, first aid and surgery essential equipment.
Anesthesia machine is operated by mechanical circuit anesthetic and fed into the alveoli of patients, the formation of the effect of the anesthetic gas partial pressure, diffusion into the blood, inhibition occur directly on the central nervous system, resulting in general anesthesia. The anesthesia machine is a semi-open anesthesia device. It is mainly composed of the chemical tanks, ether regulation switch, folding bellows suction expiratory unidirectional valve and bellows.
At present, the
annual demand of domestic anesthesia machine for about 5,000 units, its middle
and low anesthesia machine for 3000, provided mainly by domestic; around 2,000
units in the high-end anesthesia machine, about 80% of imported products,
high-end anesthesia machine almost imported productsmonopoly, each the prices of
upscale anesthesia machine in 60 million to 150 million, the annual national
need to use $ 30 million of foreign exchange to import high-grade anesthesia
machine. Its development trend, along with the progress of the development of
medical science and modern diagnostic
equipment, anesthesia has increasingly become an indispensable part
of daily medical work of the modern hospital. To meet this requirement,
Anesthesiology, whether in terms of fundamental research or in clinical
practice, that the narcosis work directly service new anesthesia machine,
monitor the research and development have made considerable
progress.
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