Pre-stressed pressure device

Abstract

A pre-stressed pressure device for treating a wound or reducing scarring of a skin of a patient. the pre-stressed pressure device is composed of a pressure member having a curved state and a non-curved state, the pressure member having an inner surface and an outer surface. The pressure member has a central portion and first and second end portions, the central portion having a curved shape when the pressure member is in the curved state. The pre-stressed pressure device also contains a substrate assembly having a first surface side and a second surface side, the first surface side of the substrate assembly being secured to the inner surface of the pressure member and wherein the substrate assembly is no shorter than the pressure member. Further included is a treatment device connected to the second surface side of the substrate assembly, wherein the first and second end portions of the substrate assembly extend beyond a first and a second end of the treatment device; and an adhesive is located on the first and second end portions of the substrate assembly on the second surface side of the substrate assembly for applying the pre-stressed pressure device to the skin of the patient. The pressure member exerts end forces directed away from the patient and a central force directed towards the patient.

1 . A pressure bandage for treating a patient, the pressure bandage comprising:
 a substrate assembly having a first surface side and a second surface side, as well as first and second end portions;   a pressure member having a curved state and a non-curved state, the pressure member having an inner surface and an outer surface, the pressure member also comprising a central portion and first and second end portions, the central portion having a curved shape when the pressure member is in the curved state and the pressure member being connected to the second side of the substrate assembly;   a treatment device mounted on a center portion of an underside of the substrate assembly between the first and second end portions of the substrate assembly, wherein the first and second end portions of the substrate assembly extend beyond first and second ends of the treatment device;   an adhesive disposed on the first and second end portions of the substrate assembly, the adhesive for securing the substrate assembly and the pressure member to the patient, wherein the pressure member exerts end forces directed away from the patient and a central force directed towards the patient.   
     
     
         2 . The pressure bandage of  claim 1 , wherein the center portion and the first and second end portions of the pressure bandage have a different thickness or a different width from one another. 
     
     
         3 . The pressure bandage of  claim 1 , wherein the treatment device comprises an absorbent pad, a silicone pad, a gauze, an anti-bacterial agent treated pad, a coagulant agent treated pad, a hemostatic agent treated pad, a vitamin E treated pad, an antibiotic treated pad, an antiseptic treated pad, a botulism toxin treated pad, or a growth factors treated pad. 
     
     
         4 . A pre-stressed pressure device for treating a wound or reducing scarring of a skin of a patient, the pre-stressed pressure device comprising:
 a pressure member having a curved state and a non-curved state, the pressure member having an inner surface and an outer surface, the pressure member also comprising a central portion and first and second end portions, the central portion having a curved shape when the pressure member is in the curved state;   a substrate assembly having a first surface side and a second surface side, the first surface side of the substrate assembly being secured to the inner surface of the pressure member and wherein the substrate assembly is no shorter than the pressure member;   a treatment device connected to the second surface side of the substrate assembly, wherein the first and second end portions of the substrate assembly extend beyond a first and a second end of the treatment device; and   an adhesive located on the first and second end portions of the substrate assembly on the second surface side of the substrate assembly for applying the pre-stressed pressure device to the skin of the patient, wherein the pressure member exerts end forces directed away from the patient and a central force directed towards the patient.   
     
     
         5 . The pre-stressed pressure device for treating a wound or reduce reducing scarring of a skin of a patient as claimed in  claim 4 , wherein the pressure member exerts a pressure ranging from 10-25 mm Hg to the wound of a patient when secured to the wound in the non-curved state. 
     
     
         6 . The pre-stressed pressure device of  claim 4 , wherein the substrate assembly comprises a woven cloth, a cotton, a natural and/or artificial fibers, a natural and/or gel materials, a natural or artificial foamed rubber and/or a vinyl material, or a combination thereof. 
     
     
         7 . The pre-stressed pressure device of  claim 4 , wherein the pressure member is pre-stressed and is curved in the central portion and flat in the first and second end portions. 
     
     
         8 . The pre-stressed pressure device of  claim 4 , wherein the pressure member has less curvature at the first and second end of the pressure member than at the center of the central portion of the pressure member. 
     
     
         9 . The pre-stressed pressure device of  claim 4 , wherein the treatment device comprises a silicone pad, a gauze, an anti-bacterial agent treated pad, a coagulant agent treated pad, a hemostatic agent treated pad, a vitamin E treated pad, an antibiotic treated pad, an antiseptic treated pad, a botulism toxin treated pad, or a growth factors treated pad. 
     
     
         10 . The pre-stressed pressure device of  claim 4 , wherein the pressure member has a greater thickness in the first and second end portions than in the central portion.