Wound dressings
First Claim
Patent Images
1. An anti-bacterial wound dressing comprising:
- a first layer of permeable material,a layer of semi-permeable adhesive material,a layer of charcoal fabric,a second layer of permeable material,said first and second permeable layers and said semi-permeable layer being coextensive and surrounding said charcoal fabric, said first permeable layer being bound to said charcoal fabric layer and to said second permeable layer adjacent the periphery of said charcoal fabric layer.
3 Assignments
0 Petitions
Accused Products
Abstract
A wound dressing which comprises, in order,
(1) a first layer of a permeable material;
(2) a layer of a semi-permeable, adhesive material;
(3) a charcoal cloth or felt; and
(4) a second layer of a permeable material;
in which the three said layers are substantially co-extensive and surround the charcoal cloth or felt, whereby the first layer of permeable material is bound to the cloth or felt and, around the cloth or felt, to the second layer of permeable material.
81 Citations
18 Claims
-
1. An anti-bacterial wound dressing comprising:
-
a first layer of permeable material, a layer of semi-permeable adhesive material, a layer of charcoal fabric, a second layer of permeable material, said first and second permeable layers and said semi-permeable layer being coextensive and surrounding said charcoal fabric, said first permeable layer being bound to said charcoal fabric layer and to said second permeable layer adjacent the periphery of said charcoal fabric layer. - View Dependent Claims (2, 3, 4, 17)
-
-
5. A multi-layered antibacterial wound dressing for application to a wound wherein each layer includes opposite surfaces wherein one surface faces away from the wound and the other surface faces toward the wound, the dressing comprising the following layers:
-
a first permeable layer, a semi-permeable layer having adhesive on both surfaces thereof, said first permeable layer being adhered over its entire other surface to said semi-permeable layer over its entire one surface, a charcoal fabric layer adhered over its entire one surface to said semi-permeable layer, and a second permeable layer having the one surface thereof adjacent to the other surface of said charcoal fabric layer, said second permeable layer adhered adjacent the periphery of its one surface to said semi-permeable layer so as to envelope said charcoal fabric layer. - View Dependent Claims (6, 7, 8, 9, 10, 18)
-
-
11. An antibacterial wound dressing comprising:
-
an envelope of permeable material including a pair of oppositely disposed top and bottom members, charcoal means, contained within the envelope, for facilitating the antibacterial activity of the dressing, and semi-permeable adhesive means for adhering said charcoal means to said to member and adhering the top and bottom members together adjacent the periphery of the charcoal means. - View Dependent Claims (12, 13, 14, 15, 16)
-
Specification