Patent ID: 8496959

Claim:
A method of promoting new tissue growth and/or wound healing at a wound site, the method comprising: manufacturing a wound dressing that is bioresorbable comprising a casing and microspheres that are bioresorbable, wherein the casing comprises one or more bioresorbable polymers and a porogen system, wherein the microspheres comprise one or more bioresorbable polymers, wherein the microspheres are contained within the casing, and wherein the casing comprises constrictions at regular, repeating intervals; contacting the wound dressing with a fluid such that the porogen system forms pores in the casing; positioning the wound dressing onto the wound site such that the wound dressing contacts the wound site after contacting the wound dressing with a fluid; covering the wound dressing with a drape; and applying a reduced pressure to the wound site through the wound dressing.