EP0380270A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Flexible medical solution tubing
Assignee: Cryovac LLC
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Filing: 1990-01-22
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Granted: —
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Expires: 2010-01-22
Abstract
Abstract A medical solution tubing (20) useful in combination with medical solution packages and pouches includes an intermediate layer (24) comprising a polymeric material which imparts flexibility to the film; an inner layer (26) comprising a heat resistant polymer; and an outer layer (22) of polypropylene, ethylene propylene copolymer, or modified ethylene propylene copolymer.
Inventors
- 👤 Walter Berndt Mueller
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 16:13
CPC Classifications
B; B32; B32B; B32B1/00; B32B1/08; A; A61; A61L; A61L29/00; A61L29/08; A61L29/085; B32B27/00; B32B27/06; B32B27/08; B32B27/32; B32B38/00; B32B38/0008; B32B2535/00; C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/08; C08L23/0846; C08L23/0853; C08L23/0869; C08L23/10; C08L23/14; C08L23/142; C08L2312/00; C08L2312/06; C08L67/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1379; Y10T428/1383; Y10T428/139; Y10T428/1393; Y10T428/31504; Y10T428/31551; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31928
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
69 words
A polymeric tubing useful for medical applications comprising: a) an intermediate layer comprising a polymeric material which imparts flexibility to the film; b) an inner layer, bonded to an inner surface of the intermediate layer, and comprising a polymeric material which is heat resistant; and c) an outer layer, bonded to an outer surface of the intermediate layer, and comprising polypropylene, ethylene propylene copolymer, or modified ethylene propylene copolymer.
Claim 2
Dependent Claim
69 words
A polymeric tubing useful for medical applications comprising: a) an intermediate layer comprising a polymeric material which imparts flexibility to the film; b) an inner layer, bonded to an inner surface of the intermediate layer, and comprising a polymeric material which is heat resistant; and c) an outer layer, bonded to an outer surface of the intermediate layer, and comprising polypropylene, ethylene propylene copolymer, or modified ethylene propylene copolymer.
Claim 3
Dependent Claim
80 words
A tubing according to claim 1 wherein the polymeric material of the intermediate layer comprises very low density polyethylene, ethylene vinyl acetate copolymer, ethylene methyl acrylate copolymer, modified ethylene methyl acrylate copolymer, polyvinyl chloride, polyvinylidene chloride, a blend of ethylene vinyl acetate copolymer and modified ethylene methyl acrylate copolymer, a blend of very low density polyethylene and modified ethylene methyl acrylate copolymer, a blend of ethylene vinyl acetate copolymer and very low density polyethylene, and modified ethylene vinyl acetate copolymer.
Claim 4
Dependent Claim
28 words
A tubing according to claim 2 wherein the ethylene vinyl acetate copolymer has a vinyl acetate content by weight of the copolymer of from about 15% to 30%.
Claim 5
Dependent Claim
20 words
A tubing according to claim 2 wherein the modified ethylene methyl acrylate copolymer includes carboxylic acid or acid anhydride moieties.
Claim 6
Dependent Claim
39 words
A tubing according to any one of the preceding claims wherein the polymeric material of the inner layer is selected from copolyester, polypropylene, ethylene propylene copolymer, polyurethane, polyvinyl chloride, and a blend of copolyester and ethylene vinyl acetate copolymer.
References Cited (Backward Citations)
No citation records indexed.
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