CA2427428A1 - Hydrophilic coatings for medical implements - Google Patents

Hydrophilic coatings for medical implements Download PDF

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Publication number
CA2427428A1
CA2427428A1 CA002427428A CA2427428A CA2427428A1 CA 2427428 A1 CA2427428 A1 CA 2427428A1 CA 002427428 A CA002427428 A CA 002427428A CA 2427428 A CA2427428 A CA 2427428A CA 2427428 A1 CA2427428 A1 CA 2427428A1
Authority
CA
Canada
Prior art keywords
needle
medical implement
composition
sulfonated polyester
medical
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
CA002427428A
Other languages
French (fr)
Other versions
CA2427428C (en
Inventor
Koon-Wah Leong
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.)
LifeScan Inc
Original Assignee
LifeScan Inc
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 LifeScan Inc filed Critical LifeScan Inc
Publication of CA2427428A1 publication Critical patent/CA2427428A1/en
Application granted granted Critical
Publication of CA2427428C publication Critical patent/CA2427428C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/28—Materials for coating prostheses
    • A61L27/34—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
    • A61L29/08—Materials for coatings
    • 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
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/08—Materials for coatings
    • A61L31/10—Macromolecular materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Abstract

Compositions, methods, devices and kits utilizing waver-based hydrophilic coating formulations on medical implements. The composition for applying a coating comprises a sulfonated polyester, water, and a surface active agent. Methods for coating a medical implement comprise providirng an aqueous dispersion comprising sulfonated polyester and surface active agent, contacting the medical implement with the aqueous dispersion, and drying the medical implement. Methods for acquiring a sample of bodily fluid from a patient comprise coating a needle with a sulfonated polyester, penetrating the needle into the patient, and drawing bodily fluid through the needle.

Claims (10)

1. A composition for coating of medical implements, comprising:
(a) a sulfonated polyester:

(b) water; and (c) a surface active agent.
2. The composition according to Claim 1, wherein said composition comprises:
(a) between approximately 0.5% and approximately 30% of said sulfonated polyester by weight;

(b) between approximately 0.1% and approximately 5% of said surface active agent by weight; and (c) between approximately 65% and approximately 99.4% of said water by weight.
3. The composition of claims 1 or 2, wherein the medical implement comprises a needle.
4. A method for forming a hydrophilic coating on a medical implement, comprising:

(a) providing a composition according to any of claims 1 to 3;
(b) contacting said medical implement with said composition; and (c) drying said medical implement.
5. The method of claim 4 wherein said medical implement is a lancing implement.
6. The method of claim 5, wherein said lancing implement is a microneedle.
7. A method for acquiring a sample of bodily fluid from a patient, comprising;
(a) providing a needle with a composition comprising a sulfonated polyester;
(b) penetrating said needle into said patient; and (c) drawing said bodily fluid through said needle.
8. The method according to Claim 7, wherein said method further comprises producing said needle.
9. A medical implement, comprising a needle having a coating thereon comprising a sulfonated polyester.
10. A kit for drawing a sample of a bodily fluid, comprising the medical implement of claim 8, and a test strip configured to receive said sample of bodily fluid.
CA2427428A 2002-05-01 2003-04-30 Hydrophilic coatings for medical implements Expired - Lifetime CA2427428C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/137,017 US7015262B2 (en) 2002-05-01 2002-05-01 Hydrophilic coatings for medical implements
US10/137,017 2002-05-01

Publications (2)

Publication Number Publication Date
CA2427428A1 true CA2427428A1 (en) 2003-11-01
CA2427428C CA2427428C (en) 2011-09-27

Family

ID=29215687

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2427428A Expired - Lifetime CA2427428C (en) 2002-05-01 2003-04-30 Hydrophilic coatings for medical implements

Country Status (15)

Country Link
US (2) US7015262B2 (en)
EP (1) EP1358896B1 (en)
JP (1) JP4493928B2 (en)
KR (1) KR101126087B1 (en)
CN (1) CN100482754C (en)
AT (1) ATE349234T1 (en)
CA (1) CA2427428C (en)
DE (1) DE60310638T2 (en)
ES (1) ES2278120T3 (en)
HK (1) HK1058010A1 (en)
IL (1) IL155314A0 (en)
PT (1) PT1358896E (en)
RU (1) RU2003112922A (en)
SG (1) SG117441A1 (en)
TW (1) TWI302463B (en)

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Also Published As

Publication number Publication date
DE60310638T2 (en) 2007-10-11
TW200404012A (en) 2004-03-16
US7015262B2 (en) 2006-03-21
US20060078587A1 (en) 2006-04-13
EP1358896B1 (en) 2006-12-27
JP4493928B2 (en) 2010-06-30
US20030207987A1 (en) 2003-11-06
ATE349234T1 (en) 2007-01-15
US7553511B2 (en) 2009-06-30
CA2427428C (en) 2011-09-27
KR101126087B1 (en) 2012-03-30
EP1358896A1 (en) 2003-11-05
RU2003112922A (en) 2004-10-27
JP2004000588A (en) 2004-01-08
IL155314A0 (en) 2003-11-23
TWI302463B (en) 2008-11-01
CN1454952A (en) 2003-11-12
PT1358896E (en) 2007-02-28
CN100482754C (en) 2009-04-29
DE60310638D1 (en) 2007-02-08
SG117441A1 (en) 2005-12-29
HK1058010A1 (en) 2004-04-30
ES2278120T3 (en) 2007-08-01
KR20030086922A (en) 2003-11-12

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Effective date: 20230501