Wound irrigation device

Abstract

An apparatus includes a fluid permeable dressing and a cover membrane configured to extend over the fluid permeable dressing. A tube is coupled to the fluid permeable dressing and is configured to apply suction through the fluid permeable dressing. A fluid reservoir is coupled to the cover membrane, the fluid vessel including an inlet port configured to receive a fluid and an outlet port fluidically coupled to the fluid permeable dressing.

1 . An apparatus, comprising:
 a porous substrate;   a semi-permeable cover coupled to the porous substrate;   a first tube coupled adjacent to the porous substrate, the first tube configured to be coupled to a vacuum source;   a second tube coupled adjacent to the porous substrate, the second tube configured to be coupled to a liquid supply source;   a first graft layer bonded to and adjacent with a surface of the porous substrate;   a therapeutic material having a first surface and a second surface substantially opposite the first surface, the first surface coupled to and adjacent with the first graft layer, the therapeutic material being at least one of a silver-impregnated material, a biodegradable material, or a biocompatible material; and   a second graft layer coupled to and adjacent with the second surface of the therapeutic material, the second graft layer configured to be in direct contact with a wound when the therapeutic material is disposed within the wound.   
   
   
       2 . The apparatus of  claim 1 , wherein the therapeutic material is woven nylon coated with substantially pure metallic silver. 
   
   
       3 . The apparatus of  claim 1 , wherein the therapeutic material is polylactide-coglycolic acid (PLGA). 
   
   
       4 . The apparatus of  claim 1 , wherein the therapeutic material is an acellular dermal matrix. 
   
   
       5 . The apparatus of  claim 1 , wherein the therapeutic material is an autologous graft. 
   
   
       6 . The apparatus of  claim 1 , wherein the therapeutic material is woven nylon coated with substantially pure metallic silver, the therapeutic material being fenestrated. 
   
   
       7 . The apparatus of  claim 1 , wherein the therapeutic material is porous. 
   
   
       8 . The apparatus of  claim 1 , wherein the therapeutic material, the first graft layer and the second graft layer are configured to remain within the wound when the porous substrate is removed from the wound. 
   
   
       9 . The apparatus of  claim 1 , wherein the second graft layer is formed by seeding the therapeutic material with cells taken from a patient. 
   
   
       10 . The apparatus of  claim 1 , wherein the therapeutic material includes skin tissue taken from a human other than a patient to be treated, the first graft layer including cells taken from the patient to be treated. 
   
   
       11 . The apparatus of  claim 1 , wherein the therapeutic material includes cytokines. 
   
   
       12 . An apparatus, comprising:
 a porous substrate having a first portion and a second portion mutually exclusive from the first portion, the porous substrate including a polyurethane foam;   a semi-permeable cover coupled to the porous substrate;   a first tube having a first end portion coupled to the first portion of the porous substrate and a second end portion configured to be coupled to a vacuum source, the first tube being in fluidic communication with the porous substrate;   a second tube having a first end portion coupled to the second portion of the porous substrate and a second end portion configured to be coupled to a liquid supply source, the second tube being in fluidic communication with the porous substrate, the second tube being distinct from the first tube;   a first graft layer releasably bonded to and adjacent with the porous substrate, the first graft layer including cells taken from a patient to be treated;   a therapeutic material having a first surface and a second surface substantially opposite the first surface, the first surface being coupled to and adjacent with the first graft layer, the therapeutic material including human cells; and   a second graft layer coupled to and adjacent with the second surface of the therapeutic material such that the therapeutic material is disposed between the first graft layer and the second graft layer, the second graft layer configured to be in direct contact with a wound when the therapeutic material is disposed within the wound, the second graft layer including cells taken from the patient to be treated,   the first graft layer, the therapeutic material and the second graft layer being configured to be collectively released from the porous substrate and remain within the wound when the porous substrate is removed from the wound.   
   
   
       13 . The apparatus of  claim 12 , wherein the human cells of the therapeutic material are taken from a human other than the patient to be treated. 
   
   
       14 . The apparatus of  claim 12 , wherein the human cells of the therapeutic material are taken from the patient to be treated. 
   
   
       15 . The apparatus of  claim 12 , wherein the first graft layer is releasably bonded to the porous substrate using at least one of a cured silicone adhesive, a hydrogel adhesive or an acrylic adhesive. 
   
   
       16 . An apparatus, comprising:
 a porous substrate;   a semi-permeable cover coupled to the porous substrate;   an integrated dressing connector coupled to the semi-permeable cover and in fluidic communication with the porous substrate;   a multi-lumen tube configured to be physically coupled to the integrated dressing connector, the multi-lumen tube defining a first lumen configured to be coupled to a vacuum source and a second lumen configured to be coupled to a liquid supply source;   a first graft layer bonded to and adjacent with a surface of the porous substrate;   a second graft layer configured to be in direct contact with a wound when the therapeutic material is disposed within the wound; and   a therapeutic material coupled to, adjacent with and disposed between the first graft layer and the second graft layer, the therapeutic material being at least one of a silver-impregnated material, a biodegradable material, or a biocompatible material.   
   
   
       17 . The apparatus of  claim 16 , wherein the therapeutic material is woven nylon coated with substantially pure metallic silver. 
   
   
       18 . The apparatus of  claim 16 , wherein the therapeutic material is polylactide-coglycolic acid (PLGA). 
   
   
       19 . The apparatus of  claim 16 , wherein the therapeutic material is an autologous graft. 
   
   
       20 . The apparatus of  claim 16 , wherein the therapeutic material is woven nylon coated with substantially pure metallic silver, the therapeutic material being fenestrated. 
   
   
       21 . The apparatus of  claim 16 , wherein:
 the first graft layer is releasably coupled to and adjacent with the surface of the porous substrate, and   the therapeutic material, the first graft layer and the second graft layer are configured collectively to remain within the wound when the porous substrate is removed from the wound.