CA2382108A1 - Hydrophilic lubricant coatings for medical devices - Google Patents

Hydrophilic lubricant coatings for medical devices Download PDF

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Publication number
CA2382108A1
CA2382108A1 CA002382108A CA2382108A CA2382108A1 CA 2382108 A1 CA2382108 A1 CA 2382108A1 CA 002382108 A CA002382108 A CA 002382108A CA 2382108 A CA2382108 A CA 2382108A CA 2382108 A1 CA2382108 A1 CA 2382108A1
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CA
Canada
Prior art keywords
tubular member
poly
medical device
catheter assembly
hydrophobic
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
CA002382108A
Other languages
French (fr)
Other versions
CA2382108C (en
Inventor
Lixiao Wang
Dachuan Yang
John Jianhua Chen
Yiqun Bruce Wang
Lance A. Monroe
Joel R. Munsinger
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 Scimed Inc
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 CA2382108A1 publication Critical patent/CA2382108A1/en
Application granted granted Critical
Publication of CA2382108C publication Critical patent/CA2382108C/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
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
    • A61F2/962—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
    • A61F2/966—Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • A61M2025/0046—Coatings for improving slidability

Abstract

The present invention relates to a medical device comprising at least one tubular member having an inner surface and an outer surface. The inner surfa ce of the tubular member is at least occasionally subjected to contact with at least one second surface. The tubular member therefore comprises a hydrophil ic lubricious coating disposed on its inner surface to reduce the friction between the inner surface of the tubular member and the second surface which is caused by movement.

Claims (35)

1. A medical device comprising at least one tubular member having an inner surface and an outer surface wherein said inner surface of said tubular member is at least occasionally subjected to contact with at least one second surface, said tubular member comprising a hydrophilic coating disposed on said inner surface of said tubular member, wherein said hydrophilic coating is present to reduce the friction between the inner surface of said tubular member and said second surface caused by movement, and said inner surface of said tubular member is pretreated.
2. The medical device of Claim 1 wherein said tubular member comprises a thermoplastic polymeric material.
3. The medical device of Claim 1 wherein said tubular member comprises at least one material selected from the group consisting of homopolymers, copolymers and terpolymers of ethylene; homopolymers, copolymers and terpolymers of propylene; polyesters; polyamides; polyurethanes; vinylic copolymers; block copolymers; block copolymer ionomers; and mixtures thereof.
4. The medical device of Claim 1 wherein said second surface comprises at least one material selected from the group consisting of polymeric materials, metals and mixtures thereof.
5. The medical device of Claim 1 wherein said hydrophilic coating comprises at least one material selected from the group consisting of polyalkylene glycols;
alkoxy polyalkylene glycols; poly(saccharide); poly(vinylpyrrolidone);
poly(vinyl alcohol); poly(acrylic acid); poly(acrylamide); poly(maleic anhydride); copolymers thereof and mixtures thereof.
6. The medical device of Claim 1 wherein said surface is pretreated with a crosslinkable surface modifying layer.
7. The medical device of Claim 6 wherein said inner surface is pretreated with a crosslinkable silicone primer composition.
8. The medical device of Claim 7 wherein said crosslinkable silicone is amino-functional polydimethylsiloxane.
9. The medical device of Claim 7 wherein said crosslinkable primer composition is utilized at a concentration from about 0.1 to about 10%.
10. The medical device of Claim 1 wherein said inner surface is pretreated by injecting said hydrophobic compound into said tubular member thereby forming a hydrophobic coating on said inner surface of said tubular member, and subsequently converting the surface of said hydrophobic coating to a hydrophilic coating.
11. The medical device of Claim 10 wherein said hydrophobic compound is a polymer selected from the group consisting of poly(acrylates), poly(meth)acrylates, polyvinyl esters), poly(maleate) esters, poly(fumerate) esters, polyamides, poly(acrylamides), copolymers and terpolymers thereof, and mixtures thereof.
12. The medical device of Claim 11 wherein said hydrophobic polymer is converted to a carboxylic acid by hydrolysis.
13. The medical device of Claim 1 wherein said water soluble lubricious coating further coating further comprises Vitamin E.
14. The medical device of Claim 1 coated by the process of:
a) pre-treating said inner surface of said tubular member with a crosslinkable primer composition; and b) coating said inner surface of said pre-treated tubular member with a water soluble lubricious coating.
15. The medical device of Claim 14 wherein said pre-treating (a), and said coating (b) are accomplished by means of a flushing method.
16. The medical device of Claim 1 wherein said tubular member comprises a polymeric tube and said second surface is a metallic wire.
17. The medical device of Claim 16 wherein said friction is reduced between said inner surface of said tubular member and said second surface by at least about 30%.
18. The medical device of Claim 1 wherein said medical device is a catheter assembly.
19. The catheter assembly of Claim 18 wherein said catheter is selected from the group consisting of fixed wire catheters, over the wire catheters and rapid exchange catheters.
20. The catheter assembly of Claim 18 wherein said catheter is a stent deployment catheter.
21. The catheter assembly of Claim 18 wherein said first surface is a polymeric material and said second surface is a metal wire.
22. The catheter assembly of Claim 18 wherein said catheter is utilized to deploy a medical device selected from the group consisting of a stent, a stent-graft, a graft and a vena cava filter.
23. The catheter assembly of Claim 18 wherein said wire movement friction is reduced by greater than about 30%.
24. A stent deployment catheter assembly comprising:
a. at least one tubular member for retention and release of a stent selected from the group consisting of a retractable sheath and at least one stent retaining sleeve wherein said tubular member has an inner surface and an outer surface wherein said inner surface comprises a hydrophilic, lubricious, coating; and b. a stent;
wherein said inner surface of said tubular member is at least occasionally subjected to contact with said stent and said hydrophilic coating reduces friction between said inner surface of said tubular member and said stent.
25. The catheter assembly of Claim 24 wherein said hydrophilic coating comprises at least one compound selected from the group consisting of polyalkylene glycol;
alkoxy polyalkylene glycol; poly(saccharide)s poly(vinylpyrrolidone);
polyvinyl alcohol); poly(acrylic acid); poly(acrylamide); poly(maleic anhydride);
copolymers and mixtures thereof.
26. The catheter assembly of Claim 24 wherein said inner surface of said tubular member is pretreated with a reactive primer composition.
27. The catheter assembly of Claim 26 wherein said reactive primer composition comprises at least one crosslinkable silicone.
28. The catheter assembly of Claim 27 wherein said silicone comprises amino groups.
29. The catheter assembly of Claim 26 wherein said primer composition comprises at least one hydrophobic compound which is capable of undergoing a chemical reaction whereby said hydrophobic surface of said inner surface of said tubular member is converted to a hydrophilic lubricious coating.
30. The catheter assembly of Claim 29 wherein said hydrophobic compound is a polymer selected from the group consisting of poly(acrylates), poly(meth)acrylates, poly(vinyl esters), poly(maleate) esters, poly(fumerate) esters, polyamides, poly(acrylamides), copolymers and terpolymers thereof, and mixtures thereof.
31. The catheter assembly of Claim 29 wherein said primer composition comprises at least one hydrophobic polymer which is capable of forming a carboxylic acid through hydrolysis.
32. The catheter assembly of Claim 24 wherein said stent is a tubular, flexible, expandable stent.
33. A medical device for insertion into the body, comprising a first surface which is at least periodically subjected to contact with a second surface; said first surface, comprising:
a) a crosslinkable silicone primer having substituents capable of forming hydrogen bonds; and b) a lubricious, biocompatible hydrophilic polymer;
wherein said crosslinkable silicone primer improves retention of said hydrophilic polymer to said polymeric surface, and said hydrophilic polymer reduces friction between said first polymeric surface and said second surface.
34. A method of forming a lubricious hydrophilic coating on the inner surface of a tubular member comprising the steps of:
a) coextruding a first hydrophobic polymer simultaneously with a second hydrophobic polymer wherein said first and second polymers form a tubular member having a first inner hydrophobic surface formed from said first hydrophobic polymer and a second outer hydrophobic surface formed from said second polymer; and b) converting said first inner hydrophobic surface to a lubricious hydrophilic surface.
35. The method of Claim 34 wherein said first hydrophobic polymer is converted to a hydrophilic lubricious surface by hydrolysis.
CA2382108A 1999-09-28 2000-09-28 Hydrophilic lubricant coatings for medical devices Expired - Fee Related CA2382108C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/406,987 US6458867B1 (en) 1999-09-28 1999-09-28 Hydrophilic lubricant coatings for medical devices
US09/406,987 1999-09-28
PCT/US2000/026787 WO2001023015A1 (en) 1999-09-28 2000-09-28 Hydrophilic lubricant coatings for medical devices

Publications (2)

Publication Number Publication Date
CA2382108A1 true CA2382108A1 (en) 2001-04-05
CA2382108C CA2382108C (en) 2012-04-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2382108A Expired - Fee Related CA2382108C (en) 1999-09-28 2000-09-28 Hydrophilic lubricant coatings for medical devices

Country Status (9)

Country Link
US (1) US6458867B1 (en)
EP (3) EP1216068B1 (en)
JP (1) JP2003510134A (en)
AT (1) ATE387225T1 (en)
AU (1) AU7838700A (en)
CA (1) CA2382108C (en)
DE (1) DE60038180T2 (en)
ES (1) ES2299435T3 (en)
WO (1) WO2001023015A1 (en)

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EP1917986A3 (en) 2010-08-04
EP2818188A1 (en) 2014-12-31
EP1216068B1 (en) 2008-02-27
DE60038180T2 (en) 2009-02-26
ES2299435T3 (en) 2008-06-01
CA2382108C (en) 2012-04-24
WO2001023015A1 (en) 2001-04-05
JP2003510134A (en) 2003-03-18
US6458867B1 (en) 2002-10-01
DE60038180D1 (en) 2008-04-10
EP1917986A2 (en) 2008-05-07
AU7838700A (en) 2001-04-30
EP1216068A1 (en) 2002-06-26
ATE387225T1 (en) 2008-03-15
EP1917986B1 (en) 2014-08-13

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