A simulated descent of 500 metres or more can be achieved in less than 15 minutes. Any expedition to altitudes of over 5000 metres, or perhaps lower should consider carrying a pressure bag. They weigh less than 10kg. Pressure Bag Suppliers 1. Outline instructions for use The patient is inserted into the bag, usually in a sleeping bag, and is fully visible to observers.
Speech communication is possible but indistinct.
The airtight zip is closed and the equipment attached to a manual or foot pump. Inflation is achieved over the course of 10-15 minutes. The patient is observed throughout a stay of thirty minutes to two hours. Decompression is achieved by turning a tap. This simple physical treatment can undoubtedly be life saving.