US Patent 10974683 Safety airbag

A safety airbag, comprising: an airbag (2) having a side air curtain (21) and a front air bag (22); an gas-guiding bag (3), which guides gas generated from a gas generator (4) into the airbag (2); and a backflow prevention assembly (7), which is connected to the gas-guiding bag (3) and which may prevent the gas in the front air bag (22) from flowing back to the side air curtain (21) when the front air bag (22) is extruded. The safety airbag may protect a occupant's head and effectively lessen the impact on the head or neck of the occupant.