# US 5,341,820 A · Patient treatment apparatus including a mattress and a treatment chamber, and method for treatment of the patient > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,341,820 A - Document ID: US5341820A - Status: Granted - Kind: A - Application number: 07/983,484 - Filed: 1992-11-30 - Granted: 1994-08-30 - Earliest claimed: 1992-11-30 - Inventors: Anthony Hammett - Web page: https://patentgrep.com/patent/US5341820A ## CPC - A61G 7/1003: {mounted on or in combination with a bath-tub} - A61G 7/0005: {Means for bathing bedridden persons} - A61G 7/1019: {Vertical extending columns or mechanisms} - A61G 7/1057: {Supported platforms, frames or sheets for patient in lying position} - A61H 33/00: Bathing devices for special therapeutic or hygienic purposes (A61H35/00 takes precedence; {sprays acting on a body or body part not immersed in water A61H9/00; means for washing bed-ridden persons A61G7/0005;} for sub aquatic intestinal cleaning A61M9/00; {isolation chambers A61M21/0094; } electric or magnetic baths, applying ionised fluids A61N1/44 {; heater for bath tubs F24H1/54}) - A61G 2200/32: lying - A61G 2203/46: for temperature - A61H 33/6021: {Nozzles} - A61H 33/6068: {Outlet from the bath} - A61H 2033/061: {Artificial hot-air baths} - A61H 2201/0111: watertight - A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00) - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) ## Abstract A method an apparatus for therapeutic treatment of a patient, wherein the patient is lowered into a therapeutic bath compartment on a waterproof mattress. The bath may be provided with water jets and a facility for blowing air into the water. The patient is dried in the bath compartment by drying air, prior to raising of the mattress to an upper position above the bath compartment. ## Claims ### Claim 1 A treatment apparatus for a patient, comprising: a treatment chamber a mattress, means for moving said mattress vertically between a lower position within said chamber and an upper position above said chamber, means for introducing water in said chamber and removing water from said chamber, and means for blowing air into said chamber when said mattress is in said lower position for drying a patient on said mattress, in the absence of water in said chamber. ### Claim 2 (depends on 1) The treatment apparatus of claim 1 wherein said mattress is a waterproof mattress, and wherein said means for introducing water in said chamber comprises means for introducing heated water into said chamber. ### Claim 3 (depends on 1) The treatment apparatus of claim 1 further comprising means for circulating water in said chamber. ### Claim 4 (depends on 3) The treatment apparatus of claim 3 wherein said circulating means comprises means for directing jets of water into said chamber. ### Claim 5 (depends on 1) The treatment apparatus of claim 1 wherein said means for blowing air into said chamber also comprises means for blowing air in said chamber when water is filled therein. ### Claim 6 (depends on 1) The treatment apparatus of claim 1 further comprising a water tank, said means for supplying water comprising means for supplying water to said chamber from said tank. ### Claim 7 (depends on 1) The treatment apparatus of claim 1 wherein said means for moving said mattress comprises an hydraulic lift mechanism. ### Claim 8 (depends on 1) The treatment apparatus of claim 1 further comprising a housing surrounding said chamber, whereby a space is provided between said housing and chamber, said means for moving said mattress, means for blowing air and means for introducing water being mounted in said space. ### Claim 9 (depends on 1) The treatment apparatus of claim 1 further comprising means for heating said air and water. ### Claim 10 A treatment apparatus for a patient, comprising: a treatment chamber a mattress, means for moving said mattress vertically between a lower position within said chamber and an upper position above said chamber, means for introducing water in said chamber and removing water from said chamber, and means for blowing air into said chamber when said mattress is in said lower position for drying a patient on said mattress, in the absence of water in said chamber; and further comprising an air filled pillow on said mattress, and means for varying the pressure of air in said pillow. ### Claim 11 A treatment apparatus comprising a tub, a waterproof mattress, means for moving said mattress to a lower position within said tub and an upper position adjacent the top of said tub, means for introducing heated water into said tub, means for circulating water in said tub, means for introducing air into said tub for drying a patient on said mattress, in the absence of water in said tub, and means for inhibiting said means for circulating and means for introducing air unless said mattress is in said lower position. ### Claim 12 (depends on 11) The treatment chamber of claim 11 comprising a housing surrounding said tub, whereby a space is provided between said housing and tub, said means for circulating, means for introducing water, means for introducing air and said means for moving said mattress being mounted in said space. ### Claim 13 A method for treating a patient reclining on a mattress, comprising: lowering the mattress into a water filled chamber, circulating water in the chamber while the mattress is immersed therein, then removing water from the chamber and directing drying air on the patient while the mattress is still in the chamber, and then raising the mattress from the chamber. ### Claim 14 (depends on 13) The method of claim 13 further comprising directing air into said water during said step of circulating water. ### Claim 15 (depends on 13) The method of claim 13 further comprising dressing said patient in waterproof clothing before lowering said mattress into said chamber. ### Claim 16 (depends on 13) The method of claim 13 comprising inhibiting said step of circulating and said step of directing drying air when said mattress is not lowered into said chamber.