US 12,005,179 B2
Printed absorbent for use in wound fluid collection canisters
Christopher B. Locke, Bournemouth (GB); and Timothy M. Robinson, Wimbourne (GB)
Assigned to Solventum Intellectual Properties Company, Maplewood, MN (US)
Appl. No. 17/424,465
Filed by Solventum Intellectual Properties Company, Maplewood, MN (US)
PCT Filed Feb. 4, 2020, PCT No. PCT/US2020/016558
§ 371(c)(1), (2) Date Jul. 20, 2021,
PCT Pub. No. WO2020/163313, PCT Pub. Date Aug. 13, 2020.
Claims priority of provisional application 62/803,031, filed on Feb. 8, 2019.
Prior Publication US 2022/0072218 A1, Mar. 10, 2022
Int. Cl. A61M 1/00 (2006.01)
CPC A61M 1/882 (2021.05) [A61M 1/60 (2021.05); A61M 1/98 (2021.05); A61M 1/982 (2021.05)] 15 Claims
OG exemplary drawing
 
1. A canister for fluid collection, the canister comprising:
a canister body configured to contain wound exudate collected from a wound site; and
a plurality of superabsorbent projections fixed to and extending from at least a portion of an interior surface of the canister body, wherein the superabsorbent projections comprise a polymer in the form of granules and are configured to dissociate from the interior surface of the canister body while remaining intact such that the superabsorbent projections do not break down to individual granules, wherein the superabsorbent projections comprise a flexible plasticized hydrophilic polymer matrix having a substantially continuous internal structure.