Medical dressing
OwnerOfer Spottheiminventor
Life of this patent
Estimating the term…
Abstract
A medical dressing composed of a continuous frame enclosing a first surface area and having a bottom surface coated with an adhesive material and an upper surface, a polyurethane layer having a second surface area which covers the first surface area and is larger than the first surface area, and a layer opaque to UV rays having a third surface area, which covers the second surface area and is equal or larger than the second surface area.
Claims17
A medical dressing comprising:
- (a) a continuous frame enclosing a first surface area, said continuous frame comprises a bottom surface comprising an adhesive material, and an upper surface, wherein said continuous frame is 0.1 to 2 cm thick;
- (b) a layer comprising polyurethane having a second surface area, said second surface area covers said first surface area and is equal or larger than said first surface area, said layer comprising polyurethane is partially non-reversibly connected to said continuous frame, wherein said partially non-reversibly connected comprises:
- a reversibly connecting adhesive and a non-reversibly connecting adhesive, and wherein said non-reversibly connecting adhesive is located in a distinct face or side within a perimetrical area of the continuous frame, and wherein the ratio between areas of said reversibly connecting adhesive and said non-reversibly connecting adhesive is 2:1 to 10:1;
- and
- (c) a layer opaque to UV rays having a third surface area, said third surface area covers said second surface area and is larger than said second surface area, said layer opaque to UV rays is at least partially reversibly connected to:
- said continuous frame, a top surface of said layer comprising polyurethane, or both, wherein said layer opaque to UV rays, said layer comprising polyurethane, or both comprises a pull-tab.
A method for protecting a topical lesion, comprising applying a medical dressing on the topical lesion, wherein a continuous frame surrounds at least a portion of said topical lesion, thereby protecting said topical lesion,
- wherein the medical dressing comprises:
- (a) a continuous frame enclosing a first surface area, said continuous frame comprises a bottom surface comprising an adhesive material, and an upper surface, wherein said continuous frame is 0.1 to 2 cm thick;
- (b) a layer comprising polyurethane having a second surface area, said second surface area covers said first surface area and is equal or larger than said first surface area, said layer comprising polyurethane is partially non-reversibly connected to said continuous frame, wherein said partially non-reversibly connected comprises:
- a reversibly connecting adhesive and a non-reversibly connecting adhesive, and wherein said non-reversibly connecting adhesive is located in a distinct face or side within a perimetrical area of the continuous frame, and wherein the ratio between areas of said reversibly connecting adhesive and said non-reversibly connecting adhesive is 2:1 to 10:1;
- and
- (c) a layer opaque to UV rays having a third surface area, said third surface area covers said second surface area and is larger than said second surface area, said layer opaque to UV rays is at least partially reversibly connected to:
- said continuous frame, a top surface of said layer comprising polyurethane, or both, wherein said layer opaque to UV rays, said layer comprising polyurethane, or both comprises a pull-tab.
Dependencies are inferred from the claim text.