WO2007137306A3 - A touch indicator - Google Patents

A touch indicator Download PDF

Info

Publication number
WO2007137306A3
WO2007137306A3 PCT/ZA2007/000030 ZA2007000030W WO2007137306A3 WO 2007137306 A3 WO2007137306 A3 WO 2007137306A3 ZA 2007000030 W ZA2007000030 W ZA 2007000030W WO 2007137306 A3 WO2007137306 A3 WO 2007137306A3
Authority
WO
WIPO (PCT)
Prior art keywords
sensitive layer
touch sensitive
touch
touched
indicator
Prior art date
Application number
PCT/ZA2007/000030
Other languages
French (fr)
Other versions
WO2007137306A2 (en
Inventor
Daniel Adam Polakow
Original Assignee
Daniel Adam Polakow
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 Daniel Adam Polakow filed Critical Daniel Adam Polakow
Publication of WO2007137306A2 publication Critical patent/WO2007137306A2/en
Publication of WO2007137306A3 publication Critical patent/WO2007137306A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/29—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26—Accessories or devices or components used for biocidal treatment
    • A61L2/28—Devices for testing the effectiveness or completeness of sterilisation, e.g. indicators which change colour

Abstract

The invention provides for a touch indicator 12. The touch indicator 12 includes a touch sensitive layer 12.1 arranged to be positioned to cover a surface of an object and to change visibly in response to being touched, so that, in use, when the touch sensitive layer 12.1 has been positioned to cover the surface of the object, the touch sensitive layer 12.1 can be visually inspected to determine whether or not the touch sensitive layer 12.1 has changed visibly thereby to determine whether or not the object has been touched. The invention extends to a method of enabling a determination of whether or not an object has been touched, to a method of packaging an object and to a packaged object.
PCT/ZA2007/000030 2006-05-24 2007-05-24 A touch indicator WO2007137306A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200604162 2006-05-24
ZA2006/4162 2006-05-24

Publications (2)

Publication Number Publication Date
WO2007137306A2 WO2007137306A2 (en) 2007-11-29
WO2007137306A3 true WO2007137306A3 (en) 2008-01-17

Family

ID=38566841

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2007/000030 WO2007137306A2 (en) 2006-05-24 2007-05-24 A touch indicator

Country Status (1)

Country Link
WO (1) WO2007137306A2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813992A (en) * 1997-05-20 1998-09-29 Henwood; Peter S. W. Single use indicator for stethoscopes
US5855896A (en) * 1995-10-02 1999-01-05 Lim; Min H. Color changing composition and method for coating said composition on acupuncture needles, hypodermic syringes and other needles used in medical applications
WO2000004355A1 (en) * 1998-07-20 2000-01-27 Kroll, Michael, I. Single use indicator for medical thermometers
US6333093B1 (en) * 1997-03-17 2001-12-25 Westaim Biomedical Corp. Anti-microbial coatings having indicator properties and wound dressings
US20050079093A1 (en) * 2003-10-14 2005-04-14 Allegiance Corporation Sterilization wraps and methods for sterilizing articles
WO2005120855A1 (en) * 2004-06-10 2005-12-22 De La Rue International Limited Improvements in security devices
US20060054525A1 (en) * 2004-09-13 2006-03-16 Jennifer Dean Medical article and method of making and using the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855896A (en) * 1995-10-02 1999-01-05 Lim; Min H. Color changing composition and method for coating said composition on acupuncture needles, hypodermic syringes and other needles used in medical applications
US6333093B1 (en) * 1997-03-17 2001-12-25 Westaim Biomedical Corp. Anti-microbial coatings having indicator properties and wound dressings
US5813992A (en) * 1997-05-20 1998-09-29 Henwood; Peter S. W. Single use indicator for stethoscopes
WO2000004355A1 (en) * 1998-07-20 2000-01-27 Kroll, Michael, I. Single use indicator for medical thermometers
US20050079093A1 (en) * 2003-10-14 2005-04-14 Allegiance Corporation Sterilization wraps and methods for sterilizing articles
WO2005120855A1 (en) * 2004-06-10 2005-12-22 De La Rue International Limited Improvements in security devices
US20060054525A1 (en) * 2004-09-13 2006-03-16 Jennifer Dean Medical article and method of making and using the same

Also Published As

Publication number Publication date
WO2007137306A2 (en) 2007-11-29

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