Medical tubing with water-activated lubricating coating

Details Medical tubing with water-activated lubricating coating Medical tubing with water-activated lubricating coating

1985-04-17

1989-05-30

Lieberman, Allan M.

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

427336, 427353, 4273935, 428 3691, 4284231, 4284233, 4284242, 523105, 525123, B32B 108, B32B 110, B32B 2508, B32B 2708

Patent

active

048350036

ABSTRACT:
Medical tubing carries on at least a portion of its length a water-activated lubricating coating of a hydrophilic thermoplastic resin which is adhesively compatible with the material of the medical tubing and polyvinyl pyrrolidone having a molecular weight of at least 200,000, in the form of a dispersed separate phase in the thermoplastic resin upon hydration. The polyvinyl pyrrolidone provides long-lasting lubrication when wet.

REFERENCES:
patent: 4100309 (1978-07-01), Michlus et al.
patent: 4119094 (1978-10-01), Micklos et al.
patent: 4277576 (1981-07-01), Straub et al.
patent: 4666437 (1987-05-01), Lambert

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