temperature
The temperature in most operating rooms is very low, which is uncomfortable for waking patients and even anesthesiologists. Nurses and attending doctors who can wash their hands and disinfect should stand under the scorching shadowless lamp for a long time. Generally speaking, the comfort of operating room staff must meet the medical regulations of patients. Ultra-low temperature is often accompanied by increased risk of postoperative infection, increased blood loss during operation and prolonged hospitalization.
humidity
The optimum humidity of the operating room should be kept between 50% and 55%. If the humidity is too low, dry air will promote the fitness exercise of some unique chemicals in the air, which may become sensory elements. When the humidity is high, wet cooling will endanger the natural barrier function of aseptic testing countermeasures.
natural ventilation
The rapid cyclone in the operating room can reduce the environmental pollution of the surgical treatment site. Cyclone separators are usually composed of 80% air mixed with fresh air in a repetitive circulation system. This natural ventilation design is one-way, which can reduce air leakage. Maintaining a slight positive pressure in the operating room is beneficial to the gas removal system software. In the ventilation and cooling equipment of the operating room, a separate anesthetic gas removal system software is set to deal with the anesthetic organic waste gas.
noise
The compressive strength of operating room noise is about 70-80 decibels (about 80 decibels when talking and communicating), and the noise level can reach 125 decibels when using air chisel and hand drill. The operating room should try to avoid noise.
Electromagnetic wave radiation
From intraoperative x-ray, CT, fluoroscopic experiments, etc. The basic principle of radioactive source safety is to keep radioactive sources exposed to the "minimum effective availability standard (ALARP principle)".
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