The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2012
Filed:
Nov. 13, 2007
John Gavin Macdonald, Decatur, GA (US);
Kaiyuan Yang, Cumming, GA (US);
Jaeho Kim, Roswell, GA (US);
Jungmo Kim, GyeongGi-do, KR;
John Gavin MacDonald, Decatur, GA (US);
Kaiyuan Yang, Cumming, GA (US);
Jaeho Kim, Roswell, GA (US);
JungMo Kim, GyeongGi-do, KR;
Kimberly-Clark Worldwide, Inc., Neenah, WI (US);
Abstract
A technique for identifying a vein in a patient is disclosed. The technique involves the application of a thermochromic ink to a venous area on the skin of a patient (e.g., human or animal). The thermochromic ink comprises thermosensitive color-changing microcapsules that contain a proton-accepting chromogen and a desensitizer. The desensitizer possesses a melting point above which the chromogen is capable of becoming protonated, thereby resulting in a color change. Thereafter, the venous area is observed for the color change.