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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| RE43155 | Hospital bed and mattress having a retractable foot section A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck. ... | 02/07/2012 |
| 7788747 | Apparatus and method for closing hospital bed gaps A patient support including a frame, a mattress supported by the frame, and a set of siderails configured to block egress of a patient from the patient support. The siderails are configured to reduce gaps defined between the siderails and the other components of the... | 09/07/2010 |
| 7591034 | Apparatus and method for closing hospital bed gaps A patient support including a frame, a mattress supported by the frame, and a set of siderails configured to block egress of a patient from the patient support. The siderails are configured to reduce gaps defined between the siderails and the other components of the... | 09/22/2009 |
| 7523515 | Hospital bed and mattress having a retractable foot section A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck. The mattress includes a foot portion having an adjustable length. ... | 04/28/2009 |
| 7480951 | Patient care bed with network A bed having a frame, a deck, and a communication network and at least one module. The at least one module includes a charting module. ... | 01/27/2009 |
| 7409735 | Dynamic cellular person support surface A person support surface comprises a multitude of inflatable cells. The cells are inflated and deflated to adjust an interface pressure between the person support surface and a person supported by the surface. ... | 08/12/2008 |
| 7293305 | Apparatus and method for mounting hospital bed accessories A patient support including a frame, a mattress supported by the frame, and a set of siderails configured to block egress of a patient from the patient support. A siderail through use of an adapter is configured to reduce gaps defined between the siderails. ... | 11/13/2007 |
| 7222377 | Apparatus and method for closing hospital bed gaps A patient support is provided. The patient support includes a frame, a mattress supported by the frame, and a set of siderails configured to block egress of a patient from the patient support. The siderails are configured to reduce gaps defined between the siderails... | 05/29/2007 |
| 7216384 | Hospital bed and mattress having a retractable foot section A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck. ... | 05/15/2007 |
| 7216389 | Mattress section support A patient support including a frame having a deck support and a step deck positioned on the deck support. The step deck has an upper deck, a lower deck, and a side wall, the upper deck being spaced apart from the lower deck to define a recess of the deck. A mattress... | 05/15/2007 |
| 7100222 | Apparatus and method for mounting hospital bed accessories A patient support is provided. The patient support includes a frame, a mattress supported by the frame, and a set of siderails configured to block egress of a patient from the patient support. The siderails through use of adapters are configured to reduce gaps defin... | 09/05/2006 |
| 7086107 | Mattress section support A patient support is provided comprising a frame including a deck support and a step deck positioned on the deck support. The step deck has an upper deck, a lower deck, and a side wall, the upper deck being spaced apart from the lower deck to define a recess of the ... | 08/08/2006 |
| 7028352 | Apparatus and method for closing hospital bed gaps A patient support is provided. The patient support includes a frame, a mattress supported by the frame, and a set of siderails configured to block egress of a patient from the patient support. The siderails are configured to reduce gaps defined between the siderails... | 04/18/2006 |
| 7000272 | Hospital bed and mattress having a retractable foot section A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck. ... | 02/21/2006 |
| 6684427 | Hospital bed and matress having a retractable foot section A patient support is disclosed having an adjustable length deck and a mattress positionable on the deck.... | 02/03/2004 |
| 6499167 | Mattress section support A mattress is provided for use with a bed deck having a recess. The mattress includes a mattress section configured to define a patient rest surface and a mattress section support configured to support the mattress section.... | 12/31/2002 |
| 6496993 | Hospital bed and mattress having a retracting foot section A bed having a foot prop on an adjustable length deck foot section and a mattress with a length and thickness adjustable foot section and a thickness adjustable heel section. The adjustability of the deck and the mattress allows sizing of the bed to the o... | 12/24/2002 |
| 6351863 | Heel pressure management apparatus and method A sleep support surface includes a mattress having at least two bladders located adjacent a foot end. The bladders each have a predetermined, adjustable internal pressure. The pressure in at least one of the bladders is selectively and independently reduc... | 03/05/2002 |
| 6212714 | Hospital bed and mattress having a retracting foot section A bed having a foot prop on an adjustable length deck foot section and a mattress with a length and thickness adjustable foot section and a thickness adjustable heel section. The adjustability of the deck and the mattress allows sizing of the bed to the o... | 04/10/2001 |
| 6163903 | Chair bed A bed including a frame, an articulating deck on the frame having head, seat, and foot deck sections, and a mattress on the deck. The deck foot section and mattress foot portion have a first length when the foot section is in the up position and a second ... | 12/26/2000 |
| 6151739 | Heel pressure management apparatus and method A sleep support surface includes a mattress having at least two bladders located adjacent a foot end. The bladders each have a predetermined, adjustable internal pressure. The pressure in at least one of the bladders is selectively and independently reduc... | 11/28/2000 |
| 6119291 | Percussion and vibration therapy apparatus A percussion and vibration apparatus for use in a bed is provided. A pressurized air input port is configured to be coupled to a pressurized air supply system. A valve assembly is coupled to the pressurized air input port. A percussion and vibration bladd... | 09/19/2000 |
| 6047424 | Bed having modular therapy devices A control apparatus is provided for at least one air therapy device stored on a bed which includes an electrical communication network, and an air handling unit. The apparatus includes a manifold having at least one chamber coupled to the air handling uni... | 04/11/2000 |
| 5970789 | Method and apparatus for evaluating a support surface An apparatus and method for evaluating pressure interface performance of a support surface for supporting a body are provided. The method includes the step of providing an array of pressure sensors covering substantially the entire support surface. The pr... | 10/26/1999 |
| 5940910 | Step deck for a bed A bed including a stepped deck is provided which is configured to support a mattress including a lower mattress section and an upper mattress section. The deck includes an upper deck, and a lower deck coupled to the upper deck by a deck side wall so that ... | 08/24/1999 |
| 5781949 | Rotational therapy apparatus for a bed A rotational therapy apparatus is provided for use on a bed having a base frame, a deck coupled to the base frame, a support surface located on the deck, an air handling unit, an electrical communication network, and a rotation control module including a ... | 07/21/1998 |
| 5745937 | Support surfaces for a bed A surface foot section is provided for a bed which includes a base frame and an articulating deck coupled to the base frame. The articulating deck includes a generally planar foot deck section and is movable from a bed configuration to a chair configurati... | 05/05/1998 |
| 5724685 | Step deck for a bed A deck is provided for a bed which is configured to support a mattress including a lower mattress section having a top surface, a bottom surface, and a side wall, and an upper mattress section having a top surface, a bottom surface, and a side wall. The d... | 03/10/1998 |
| 5715548 | Chair bed A bed including a frame, an articulating deck on the frame having head, seat, and foot deck sections, and a mattress on the deck. The deck foot section and mattress foot portion have a first length when the foot section is in the up position and a second ... | 02/10/1998 |
| 5692256 | Mattress for a hospital bed A mattress is provided for use with a step deck having an upper deck, and a lower deck coupled to the upper deck by a deck side wall so that the lower deck is spaced apart from the upper deck to define a recess of the step deck. The mattress includes a lo... | 12/02/1997 |
| 5682631 | Bed having a reduced-shear pivot and step deck combination A bed is provided having a head end, a foot end, and sides. The bed includes a frame and a deck carried by the frame. The deck includes an upper deck portion and a central, longitudinal recess in the upper deck portion. The recess is defined by a lower de... | 11/04/1997 |
| 5666681 | Heel pressure management apparatus and method A sleep support surface includes a mattress having at least two bladders located adjacent a foot end. The bladders each have a predetermined, adjustable internal pressure. The pressure in at least one of the bladders is selectively and independently reduc... | 09/16/1997 |
| 5630238 | Bed with a plurality of air therapy devices, having control modules and an electrical communication network A bed includes a base frame, a deck coupled to the base frame, an electrical communication network, an air handling unit mounted on the base frame, a plurality of air therapy devices located on the bed, and a plurality of control modules. Each control mod... | 05/20/1997 |
