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    • 22. 发明专利
    • METHOD OF FABRICATING MICRO-DEVICES
    • CA2789682A1
    • 2011-08-25
    • CA2789682
    • 2011-02-13
    • ANPAC BIO MEDICAL SCIENCE CO LTD
    • YU CHRIS C
    • H01L21/00A61B5/00A61B10/04
    • Methods for fabricating new types of micro-devices for biological and medical applications are disclosed. These novel methods employ microelectronics process technologies and novel process flows to fabricate micro-devices that have improved performance, flexibility and the ability for disease detection and treatment at microscopic levels. These micro-devices have reduced costs over the conventional methodologies and vehicles found in current medical treatment modalities. Micro-devices fabricated using the disclosed nano-technological techniques have significant improvements in many areas over the existing, conventional methods. Such. improvements include, but are not limited to reduced overall costs, early disease detection/diagnosis, targeted drug delivery, targeted disease treatment and reduced degree of invasiveness in treatment. Compared with existing, conventional approaches, the said inventive approach disclosed in this patent application is much more microscopic, sensitive, accurate, precise, flexible and effective. This novel approach is able to deliver a superior level of performance in medical treatments over the existing modalities.
    • 25. 发明专利
    • METHOD OF DRUG DELIVERY
    • CA2766766A1
    • 2011-01-13
    • CA2766766
    • 2010-07-03
    • ANPAC BIO MEDICAL SCIENCE CO LTD
    • YU HEYU CHRIS C
    • A61K9/50A61K9/52
    • A drug delivery method is disclosed. A micro-carrier delivers an encapsulated drug directly to targeted sites without significant interactions with other components in the biological system. In one embodiment, a micro-carrier is first delivered to the general area for treatment. It then scans the area and selectively attaches itself to the cell site or organ location to be treated. Finally, the desired drug contained in the micro-earner is released to the attached site. In another embodiment, a micro-device is first used to process the general area to enhance differentiation in properties between cells and unhealthy cells. Drug is encapsulated in the micro-carrier to preferentially attach onto the targeted sites. Finally, drug is released from the micro-carrier onto the sites. Such microcarriers preferably contains multiple functions comprised of at least two of sensing, analyzing, logic processing, surface treatment, position detection, motion, injecting, delivering, cutting functions, removing functions, biodegradation and disintegration.