Claims
- 1. A medical grade non-PVC, non-DEHP multilayer coextruded structure comprising:
- a non-PVC and non-DEHP layer including a blend of polyurethane and polyester; and
- at least a second non-PVC and non-DEHP layer comprising a blend chosen from the group consisting of: polypropylene, ethylenevinyl acetate, and polyurethane; polypropylene and styrene-ethylene-butylene-styrene, and ethylenevinyl acetate; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, and thermoplastic polyester elastomer; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, thermoplastic polyester elastomer, and polyurethane; polyester, thermoplastic polyester elastomer, and polyurethane; polyester and polyurethane; and polypropylene, styrene-ethylene-butylene-styrene, and polyurethane.
- 2. The material of claim 1 wherein the multilayer coextruded structure comprises:
- an outer layer having a thickness of approximately 0.004 to about 0.006 inches; and
- a core layer of approximately 0.025 inches to about 0.030 inches.
- 3. A container including a tubing comprising:
- a container having a body and including a tubing extending from an end of the body, the body being constructed from a plastic material; and
- the tubing being constructed from a multilayer coextruded structure that does not include PVC or DEHP including a non-PVC and non-DEHP layer comprising a blend of polyurethane and polyester and at least one non-PVC and non-DEHP layer comprising a blend chosen from the group consisting of: polypropylene, ethylenevinyl acetate, and polyurethane; polypropylene and styrene-ethylene-butylene-styrene; polypropylene, styrene-ethylene-butylene-styrene, and ethylenevinyl acetate; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, and thermoplastic polyester elastomer; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, thermoplastic polyester elastomer, and polyurethane; polyester, thermoplastic polyester elastomer, and polyurethane; polyurethane and polyester; and polypropylene, styrene-ethylene-butylene-styrene, and polyurethane.
- 4. The container of claim 3 wherein the multilayer coextruded structure comprises:
- an outer layer having a thickness of approximately 0.004 to about 0.006 inches; and
- a core layer of approximately 0.025 inches to about 0.030 inches.
- 5. A non-PVC, non-DEHP medical grade material for use in manufacturing medical grade tubing comprising a multilayer coextruded structure consisting essentially of:
- a first non-PVC and non-DEHP layer including a blend of polyurethane and polyester;
- a second non-PVC and non-DEHP layer comprising a blend chosen from the group consisting of: polypropylene, ethylenevinyl acetate, and polyurethane; polypropylene and styrene-ethylene-butylene-styrene; polypropylene, styrene-ethylene-butylene-styrene, and ethylenevinyl acetate; polypropylene, ethylenevinyl acetate, styrene- ethylene-butylene-styrene, and thermoplastic polyester elastomer; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, thermoplastic polyester elastomer, and polyurethane; polyester, thermoplastic polyester elastomer, and polyurethane; polyester and polyurethane; and polypropylene, styrene-ethylene-butylene-styrene, and polyurethane; and
- a non-PVC and non-DEHP tie layer between the first and second layers.
- 6. The material of claim 5 wherein the first layer has a thickness of approximately 0.004 to about 0.006 inches, the tie layer has a thickness of approximately 0.001 to about 0.003 inches, and the second layer has a thickness of approximately 0.025 to about 0.030 inches.
- 7. A container including a tubing that allows fluid communication with an interior of the container
- the tubing being defined by a non-PVC and non-DEHP multilayer coextruded structure consisting essentially of a non-PVC and non-DEHP layer comprising a blend of polyurethane and polyester, a non-PVC and non-DEHP tie layer and a non-PVC and non-DEHP layer comprising a blend chosen from the group consisting of polypropylene, ethylenevinyl acetate, and polyurethane; polypropylene and styrene-ethylene-butylene-styrene; polypropylene, styrene-ethylene-butylene-styrene, and ethylenevinyl acetate; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, and thermoplastic polyester elastomer; polypropylene, ethylenevinyl acetate, styrene-ethylene-butylene-styrene, thermoplastic polyester elastomer, and polyurethane; polyester, thermoplastic polyester elastomer, and polyurethane; polyurethane and polyester; and polypropylene, styrene-ethylene-butylene-styrene, and polyurethane.
- 8. The container of claim 7 wherein the multilayer coextruded structure comprises:
- an outer layer having a thickness of approximately 0.004 to about 0.006 inches;
- a tie layer having a thickness of approximately 0.001 to about 0.003 inches; and
- a core layer having a thickness of approximately 0.025 to about 0.030 inches.
Parent Case Info
This is a division of application Ser. No. 07/828,083, filed on Jan. 30, 1992, pending.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
5098202 |
Rosenbaum |
Mar 1992 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
283346 |
Aug 1990 |
JPX |
Divisions (1)
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Number |
Date |
Country |
Parent |
828083 |
Jan 1992 |
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