Pressure sore prevention seat cushion

Abstract

The invention relates to a pressure sore prevention seat cushion. The pressure sore prevention seat cushion comprises an airbag layer, an airway layer, a base layer and a plurality of air conduits; the airbag layer is provided with a plurality of airbags; the airbag layer is divided into at least four airbag regions; all the airbags in each airbag region are communicated mutually, however, the airbags in any two adjacent airbag regions are not communicated; the airway layer is positioned below the airbag layer, and a plurality of airways are formed in the airway layer, wherein each airway is connected and communicated with at least one airbag region; the airway layer and the airbag layer are arranged on the base layer; one end of each air conduit is communicated with the corresponding airway and the other end of the air conduit extends out of the seat cushion and is provided with a joint; each air conduit is provided with a respective valve. The pressure sore prevention seat cushion disclosed by the invention can enable the hip of a human body to be intermittently pressed so as to effectively prevent pressure sores.

Description

technical field [0001] The invention relates to a cushion, in particular to an anti-pressure sore cushion used by people who need to maintain a sitting posture for a long time due to illness or injury. Background technique [0002] Pressure sores refer to the long-term pressure on local tissues of the body or the stimulation of long-term physical and chemical factors, which cause neurotrophic disorders and blood circulation disorders. The local tissues continue to be ischemic, hypoxic, and malnourished, resulting in the loss of normal skin functions. Lead to soft tissue ulceration and necrosis. For example, local tissue is subject to continuous vertical pressure, which can also be caused by friction and shear force, usually caused by the combined action of 2 to 3 forces. [0003] Pressure sore is a common clinical complication, not the primary disease. Most of it is the damage caused by other primary diseases without good care. Once a pressure sore occurs, it will not only...

AI Technical Summary

Problems solved by technology

[0007] When the cushions of the above two patents are applied to people who maintain a sitting posture for a long time, although they can bring a very comfortable sitting posture and feeling, these two cushions will still exert pressure on the human body continuously, so there will still be high pressure induced. chance of sores

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