US 12,144,922 B2
Wound dressing with multiple treatment zones
Christopher A. Carroll, San Antonio, TX (US); Christopher Brian Locke, Bournemouth (GB); Shannon C. Ingram, Bulverde, TX (US); and Justin Rice, Denver, CO (US)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/624,958
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Jul. 16, 2020, PCT No. PCT/IB2020/056709
§ 371(c)(1), (2) Date Jan. 5, 2022,
PCT Pub. No. WO2021/009712, PCT Pub. Date Jan. 21, 2021.
Claims priority of provisional application 62/875,352, filed on Jul. 17, 2019.
Prior Publication US 2022/0288297 A1, Sep. 15, 2022
Int. Cl. A61M 1/00 (2006.01); A61F 13/05 (2024.01)
CPC A61M 1/912 (2021.05) [A61F 13/05 (2024.01)] 11 Claims
OG exemplary drawing
 
1. A system for use with at least two wound zones to apply at least two different wound therapies, comprising:
a first foam layer configured for placement over a wound bed of a first wound zone;
a second foam layer configured for placement over and in fluid communication with a periwound of a second wound zone, wherein at least a portion of the second foam layer and the second wound zone surround the first foam layer and the first wound zone;
a first drape layer disposed over the first foam layer and at least partially beneath the second foam layer and configured to isolate the first wound zone from the second wound zone;
a second drape layer disposed over the second foam layer and the first drape layer and configured to isolate the first wound zone and the second wound zone from an external environment;
an instillation pump configured to provide an instillation fluid to the first foam layer;
a negative pressure pump configured to remove air from the first wound zone and the second wound zone; and
a control circuit communicably coupled to the instillation pump and the negative pressure pump.