Medical article and method of making and using the same

US7682696B2 · kind B2 · utility

Assignee

• Sabic Innovative Plastics B.V. · NL

Inventors

• Jennifer Dean · Eindhoven, NL
• David B. Engel · Clifton Park, US
• David Gilles Gascoyne · Schenectady, US
• Jessica Budris · Troy, US
• Daniel R. Olson · Schenectady, US
• Radislav Alexandrovich Potyrailo · Niskayuna, US
• Philippe Schottland · Sparta, US
• Marc Brian Wisnudel · Clifton Park, US

Key dates

• Filing date: Nov 10, 2004
• Grant date: Mar 23, 2010
• Expiry date: Jan 21, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31935
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The packaged medical article can comprise the medical article and a protective layer capable of inhibiting exposure of the medical article to a color change activator prior to use of the medical article. The medical article comprises a plastic portion and an active color changing specie, wherein the color changing specie is capable of changing color after exposure to a color change activator. The method for producing a medical article can comprise: combining thermoplastic resin with a blocked color changing specie to form a resin mixture and manufacture processing the resin mixture to form a packaged medical article. This manufacturing processing comprises forming the resin mixture into the medical article and packaging the medical article to form a packaged medical article. The color changing specie will not affect the structural integrity of the medical article when it changes color.