Air fluidized granular wound care wheelchair overlay

Abstract

The air fluidized granular wound care wheelchair overlay is for use with a wheelchair to provide bedsore and decubitus ulcer wound treatment for a user. The overlay has a seat portion used to support the user's buttocks area while seated in the wheelchair, a back support portion to support the user's back area while seated in the wheelchair, a rechargeable battery pack, a compressor to provide pressurized air, an emergency button, and a control unit that houses and controls the rechargeable battery pack. A plurality of airflow tubes are located in the seat portion and the back portion and are provided with fine granules that are incorporated into pressurized air from the compressor.

1 . An air fluidized granular wound care wheelchair overlay for use with a patient care chair to provide bedsore and decubitus ulcer wound treatment, the overlay comprising: 
 a seat portion adapted for supporting a user's buttocks area while seated in the patient care chair;    a back support portion connected to the seat portion, the back portion being adapted for supporting the user's back area while seated in the patient care chair;    a rechargeable battery pack attached to the back portion;    an air compressor electrically connected to the battery pack;    a plurality of air tubes disposed within the seat portion and the back support portion, the air tubes being connected to the compressor;    fine granules disposed in the air tubes for providing granulating air delivered into the air tubes; and    a control unit electrically connected to the battery pack and the compressor for controlling airflow to the air tubes.    
   
   
       2 . The air fluidized granular wound care wheelchair overlay according to  claim 1 , further comprising an emergency button disposed in said control unit for signaling user distress.  
   
   
       3 . The air fluidized granular wound care wheelchair overlay according to  claim 1 , further comprising a battery gauge disposed in the control unit for indicating power available to the rechargeable battery pack.  
   
   
       4 . The air fluidized granular wound care wheelchair overlay according to  claim 1 , further comprising a pressure gauge disposed in said control unit for indicating air pressure generated by the compressor.  
   
   
       5 . The air fluidized granular wound care wheelchair overlay according to  claim 1 , further comprising a durable and washable fabric over the seat portion and the back support portion.  
   
   
       6 . The air fluidized granular wound care wheelchair overlay according to  claim 1 , wherein the air tubes in said back portion air formed into a plurality of continuous airflow pockets, and barriers to support and provide comfort to the user's back.  
   
   
       7 . The air fluidized granular wound care wheelchair overlay according to  claim 1 , further comprising a plurality of metal stay tabs attached to said back support portion and said seat portion.