CA2461927A1 - Medical device with polymer coated inner lumen - Google Patents

Medical device with polymer coated inner lumen Download PDF

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Publication number
CA2461927A1
CA2461927A1 CA002461927A CA2461927A CA2461927A1 CA 2461927 A1 CA2461927 A1 CA 2461927A1 CA 002461927 A CA002461927 A CA 002461927A CA 2461927 A CA2461927 A CA 2461927A CA 2461927 A1 CA2461927 A1 CA 2461927A1
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CA
Canada
Prior art keywords
polymer
layer
polymer coating
water soluble
curing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002461927A
Other languages
French (fr)
Other versions
CA2461927C (en
Inventor
Greg J. Kampa
Zhou Pu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boston Scientific Ltd Bermuda
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2461927A1 publication Critical patent/CA2461927A1/en
Application granted granted Critical
Publication of CA2461927C publication Critical patent/CA2461927C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/08—Materials for coatings
    • A61L29/085—Macromolecular materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/12—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material

Abstract

A medical device, such as a catheter shaft, having an inner lumen defined by a layer of polymer coating, and a method for forming such a medical device. In some embodiments, the method generally includes the steps of applying a polymer coating to an elongated mandrel, and constructing the remainder of the catheter shaft body around the polymer coated mandrel. In some embodiments, the polymer coating layer is made from water dispersible polymer or water soluble polymer.

Claims (24)

What is claimed is:
1. A method for forming a medical device comprising:
applying a polymer coating layer to an elongated mandrel, wherein the polymer coating layer comprises a polymer that is water soluble or water dispersible prior to curing, and is not water soluble after curing;
disposing at least one additional layer around a portion of the polymer coating layer; and removing the elongated mandrel to expose an inner lumen at least partially defined by the polymer coating.
2. The method of claim 1, wherein the polymer coating layer comprises a polymer that is a water dispersible polymer prior to curing.
3. The method of claim 1, wherein the polymer coating layer comprises a polymer that is a water soluble polymer.
4. The method of claim 1, wherein the polymer coating layer comprises a water dispersible polymer comprising, polyvinyl alcohol, styrene-butadiene, acrylate, acrylic polymers, polyester, polyester urethanes, polyacrylamide, or mixtures thereof.
S. The method of claim 1, wherein the polymer coating comprises a water soluble polymer comprising polyvinyl alcohol, polyethyleneoxide, polyethyleneglycol, polyvinylpyrrolidone, carboxymethylcellulose, hydroxyethylcellulose, or mixtures thereof.
6. The method of claim 1, wherein the polymer coating comprises polytetrafluroethylene, polytetrafluoroehylene, polyacrylic acid , or mixtures thereof.
7. The method of claim 1, wherein after the applying step, the polymer coating layer is cured.
8. The method of claim 1, wherein after the applying step, the polymer coating layer is heat treated.
9. The method of claim 1, wherein the polymer coating layer is applied to the elongated mandrel through dip coating.
10. The method of claim 1, wherein the polymer coating layer is applied to the elongated mandrel through extrusion.
11. The method of claim 1, wherein the polymer coating layer has a thickness in the range of about 0.0005 and about 0.005 of an inch.
12. The method of claim 1, wherein the polymer coating layer has a thickness in the range of about 0.001 and about 0.003 of an inch.
13. The method of claim 1, wherein the at least one additional layer includes a reinforcing layer.
14. The method of claim 13, a wherein the reinforcing layer comprises one or more elongated filaments.
15. The method of claim 13, wherein the reinforcing layer includes a braid.
16. The method of claim 13, wherein the reinforcing layer includes a coil.
17. A method for forming a catheter shaft comprising:
forming an inner member from water soluble or water dispersible polymer, the inner member having an inner lumen;
curing the water soluble or water dispersible polymer such that it is not water soluble;
disposing at least one additional member around the inner member.
18. The method of claim 17, wherein the polymer is a water soluble polymer prior to curing.
19. A method for forming a catheter shaft having a polymer coated inner lumen, the method comprising:

applying a polymer coating to an elongated mandrel;
disposing a reinforcement material around the mandrel and onto the polymer coating;
disposing at least one outer member over the reinforcement material and polymer coating; and removing the mandrel from the polymer material to expose the polymer coated inner lumen.
20. A catheter shaft including an inner layer comprising a polymer that is water soluble prior to curing, and not water soluble after curing, the inner layer defining an inner lumen.
21. The catheter shaft of claim 20, further including a support member layer disposed over a portion of the inner layer.
22. The catheter shaft of claim 21, further including an outer member disposed over a portion of the support member layer and the inner tubular member.
23. A catheter shaft comprising:
an inner layer made of a coating of polymer that is water soluble prior to curing, the inner layer defining an inner lumen;
a support member layer disposed over a portion of the inner tubular member;
and an outer tubular member disposed over a portion of the support member layer and the inner tubular member and conforming thereto.
24. A catheter shaft comprising:
an inner layer made of a water dispersible polymer coating, the inner layer defining an inner tubular member having a lumen extending longitudinally therethrough;
a support layer disposed over a portion of the inner tubular layer and conforming thereto; and an outer layer disposed over a portion of the support layer and the inner layer, and conforming thereto.
CA2461927A 2001-10-03 2002-10-03 Medical device with polymer coated inner lumen Expired - Fee Related CA2461927C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US32686101P 2001-10-03 2001-10-03
US60/326,861 2001-10-03
PCT/US2002/031713 WO2003028783A1 (en) 2001-10-03 2002-10-03 Medical device with polymer coated inner lumen

Publications (2)

Publication Number Publication Date
CA2461927A1 true CA2461927A1 (en) 2003-04-10
CA2461927C CA2461927C (en) 2012-07-10

Family

ID=23274038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2461927A Expired - Fee Related CA2461927C (en) 2001-10-03 2002-10-03 Medical device with polymer coated inner lumen

Country Status (5)

Country Link
US (1) US7112298B2 (en)
EP (1) EP1438083A1 (en)
JP (1) JP4570873B2 (en)
CA (1) CA2461927C (en)
WO (1) WO2003028783A1 (en)

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Also Published As

Publication number Publication date
US20040243100A9 (en) 2004-12-02
EP1438083A1 (en) 2004-07-21
WO2003028783A1 (en) 2003-04-10
JP2005504592A (en) 2005-02-17
CA2461927C (en) 2012-07-10
JP4570873B2 (en) 2010-10-27
US7112298B2 (en) 2006-09-26
US20040068249A1 (en) 2004-04-08

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Effective date: 20181003