Patent ID: 11877911
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. An apparatus for managing fluid from a tissue site, comprising:
a first layer having a first end and a second end, wherein the first layer comprises a first polymeric film having a first side and a second side and a first plurality of bubbles extending form the second side of the first layer;
a second layer having a first end and a second end, wherein the second layer comprises a second polymeric film having a first side and a second side, and wherein the first side of the second layer is adapted to be coupled to the second side of the first layer to form a sealed space between the first layer and the second layer;
a third layer comprising a polymeric foam, wherein the third layer is adapted to be positioned against the first side of the first layer between the first end and the second end of the first layer; and
a fourth layer comprising the polymeric foam, wherein the fourth layer is adapted to be positioned against the second side of the second layer between the first end and the second end of the second layer.