US Patent 12115924 Airbag assembly for child-restraint system

A vehicle seat has a seatback and a seat bottom defining an occupant-seating area. An inflatable device is fixed to the seatback and is inflatable from the seatback vehicle-forward along the occupant-seating area from an uninflated position to an inflated position. The inflatable device has an inflation chamber. The inflatable device is a thermoplastic elastomer. The vehicle includes a computer including a processor and a memory storing instructions executable by the processor to: detect a removeable child-restraint system on the occupant-seating area; and based on the detection of the removeable child-restraint system on the occupant-seating area, inflate the inflatable device in response to detection of certain vehicle impacts.