A mattress including air cells that are located on both sides of a user, in which the air cells each have a convex shape on a first side surface, and the air cells are arranged so that the convex shapes thereof are respectively located near shoulder blade outer edges of the user.

The present disclosure provides an air cushion bed, which includes an upper air cushion, a lower air cushion, and a pull belt body. The pull belt body is disposed between the upper air cushion and the lower air cushion, and is supported by the pull belt body. The pull belt body includes an annular belt body and longitudinal belt bodies, the annular belt body is disposed along four sides of the upper air cushion and the lower air cushion, and the annular belt body is further connected to the upper air cushion and the lower air cushion, the longitudinal belt bodies are disposed between the upper air cushion and the lower air cushion, and two ends of the longitudinal belt bodies are connected to the upper air cushion and the lower air cushion, the annular belt body includes a first sealed bag body structure spaced from the longitudinal belt bodies.

The present disclosure provides an air cushion bed, which includes an upper air cushion, a lower air cushion, and a pull belt body. The pull belt body is disposed between the upper air cushion and the lower air cushion, and is supported by the pull belt body. The pull belt body includes an annular belt body and longitudinal belt bodies, the annular belt body is disposed along four sides of the upper air cushion and the lower air cushion, and the annular belt body is further connected to the upper air cushion and the lower air cushion, the longitudinal belt bodies are disposed between the upper air cushion and the lower air cushion, and two ends of the longitudinal belt bodies are connected to the upper air cushion and the lower air cushion, the annular belt body includes a first sealed bag body structure spaced from the longitudinal belt bodies.

A bed may provide pneumatic effects. An array of pumps may be used in providing the pneumatic effects. In some embodiments less than all of the pumps may be operated to provide some of the pneumatic effects, and in some such embodiments no individual pump may be able to provide others of the pneumatic effects, and in some or other such embodiments all of the pumps may be required to provide at least one of the pneumatic effects.

A bed may provide pneumatic effects. An array of pumps may be used in providing the pneumatic effects. In some embodiments less than all of the pumps may be operated to provide some of the pneumatic effects, and in some such embodiments no individual pump may be able to provide others of the pneumatic effects, and in some or other such embodiments all of the pumps may be required to provide at least one of the pneumatic effects.

An inflatable bed is provided, comprising: a first piece, a middle piece having a middle master piece and an oblique ring piece having an inner edge connected to the middle master piece, and a second piece; a first lateral piece connected to the first piece and to an outer edge of the oblique ring piece; and a second lateral piece connected to the middle piece and to the second piece. A first air chamber is defined by the first piece, the middle piece, and the first lateral piece. A second air chamber is defined by the middle piece, the second piece, and the second lateral piece.

An inflatable bed is provided, comprising: a first piece, a middle piece having a middle master piece and an oblique ring piece having an inner edge connected to the middle master piece, and a second piece; a first lateral piece connected to the first piece and to an outer edge of the oblique ring piece; and a second lateral piece connected to the middle piece and to the second piece. A first air chamber is defined by the first piece, the middle piece, and the first lateral piece. A second air chamber is defined by the middle piece, the second piece, and the second lateral piece.

A patient support system is provided for use on a litter of a patient support apparatus. The patient support system includes an expandable patient support and a control assembly connectable to the expandable patient support. The control assembly includes an inflator and a controller configured to provide pressure in one or more inner bladders at a first value when the expandable patient support is at a first width and reduce the pressure in the one or more inner bladders to a second value, lower than the first value, in response to inflating one or more outer bladders to expand the expandable patient support to a second width.

A patient support system is provided for use on a litter of a patient support apparatus. The patient support system includes an expandable patient support and a control assembly connectable to the expandable patient support. The control assembly includes an inflator and a controller configured to provide pressure in one or more inner bladders at a first value when the expandable patient support is at a first width and reduce the pressure in the one or more inner bladders to a second value, lower than the first value, in response to inflating one or more outer bladders to expand the expandable patient support to a second width.

A composite mattress includes a pressurizable layer and a top layer. A coiled spring layer may also be included in the composite mattress. The composite mattress may also include a base layer and/or an intermediate layer. A foundation, or rail, may laterally surround the pressurizable layer and the top layer. The composite mattress may include a cover, including a base panel, a periphery, and a top panel. The cover may encase the other components of the composite mattress. The composite mattress may include a separable top and bottom; these elements may be modular, enabling individuals or couples customize a mattress by selecting one or more tops from a plurality of available for use with one or more bases from a plurality of available bases.