Multiple layer tubing and method of making same
First Claim
1. A multiple layer tubing for conveying a fluidic media, the tubing comprising:
- an inner layer made of a material compatible with the fluidic media;
an outer layer made of a copolyester ether (COPE) material; and
an intermediate layer for bonding the outer layer to the inner layer.
1 Assignment
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Accused Products
Abstract
A multiple layer tubing for conveying a fluidic media in a medical or laboratory environment includes at least one outer layer of a copolyester ether (COPE) material. The tubing also includes an inner layer of a material compatible with sensitive fluidic media and at least one intermediate layer for bonding the outer layer to the inner layer. The material of the inner layer may be a high density polyethylene or a polyurethane material. The material of the intermediate layer may be ethylene-vinyl acetate (EVA). With the use of a COPE outer layer, a multiple layer medical tubing may be made without polyvinylchloride (PVC) or PVC plasticizers. The multiple layer tubing may be made by extrusion. The three layers may be co-extruded, simultaneously, as part of an efficient manufacturing processes.
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Citations
42 Claims
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1. A multiple layer tubing for conveying a fluidic media, the tubing comprising:
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an inner layer made of a material compatible with the fluidic media;
an outer layer made of a copolyester ether (COPE) material; and
an intermediate layer for bonding the outer layer to the inner layer. - View Dependent Claims (2, 3, 4, 5, 10, 11)
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6. A multiple layer tubing for conveying a fluidic media, the tubing comprising:
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an inner layer made of a material compatible with the fluidic media;
at least one second layer for bonding a third layer to the inner layer; and
at least one third layer made of a copolyester ether (COPE) material. - View Dependent Claims (7, 8, 9)
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12. A medical system for connection in fluid flow communication with a patient, the medical system comprising:
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at least one medical device; and
a multiple layer tubing having one end connected to the at least one medical device and the other end for connection to the patient, the multiple layer tubing comprising an inner layer made of a material compatible with the fluidic media, at least one second layer for bonding a third layer to the inner layer; and
at least one third layer made of a copolyester ether (COPE) material. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A process of making a multiple layer tubing comprising:
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forming an inner layer made of a material compatible with the fluidic media;
forming an outer layer made of a copolyester ether (COPE) material; and
forming an intermediate layer that bonds the outer layer to the inner layer. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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- 32. A tubing for conveying a fluidic media, the tubing comprising at least one layer of COPE material selected to be suitably compatible with the media.
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38. A process of making a tubing for conveying a media comprising:
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selecting a COPE material that is suitably compatible with the media;
forming a tubing having at least one layer of the selected COPE material. - View Dependent Claims (39, 40, 41, 42)
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Specification