Patents by Inventor Jenn-Han Wang

Jenn-Han Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6516817
    Abstract: A method for monitoring a cleaning process for a soiled medical device. The method involves cleaning the soiled device with a cleaning liquid in a cleaning chamber, exposing a detector to the cleaning liquid to measure the amount of soil removed, determining whether a sufficient amount of the soil has been removed from the soiled device so that the soiled device can be sterilized, and sterilizing the soiled device. One method of determining the amount of soil is by detecting the signal generated from the reaction between a chemical and the soil. Another method is to provide a soiled standard and measure the amount of soil removed from the soiled standard to determine whether enough soil has been removed from the soiled standard so that the soiled device can be sterilized. Another method involves measuring the amount of soil removed from the soiled device with at least two detectors.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: February 11, 2003
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin
  • Patent number: 6516818
    Abstract: An apparatus and method for monitoring a cleaning process for a medical device. The apparatus comprises a soil detector. The soil detector is capable of detecting inorganic and/or organic soil on a medical device or in a liquid utilized in a cleaning or cleaning monitoring process or on a soil-covered standard which can serve as a surrogate indicator of cleanliness for the medical device. The method of the invention for monitoring a cleaning process for a medical device comprises the step of measuring the soil removed from a medical device with the apparatus of the invention comprising a soil detector. Preferably, the method further comprises the step of determining when the device is sufficiently cleaned so that it can be sterilized.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: February 11, 2003
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin
  • Patent number: 6494964
    Abstract: An apparatus and method for monitoring a cleaning process for a medical device. The apparatus comprises a soil detector. The soil detector is capable of detecting inorganic and/or organic soil on a medical device or in a liquid utilized in a cleaning or cleaning monitoring process or on a soil-covered standard which can serve as a surrogate indicator of cleanliness for the medical device. The method of the invention for monitoring a cleaning process for a medical device comprises the step of measuring the soil removed from a medical device with the apparatus of the invention comprising a soil detector. Preferably, the method further comprises the step of determining when the device is sufficiently cleaned so that it can be sterilized.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: December 17, 2002
    Assignee: Ethicon, Inc.
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin
  • Publication number: 20020179128
    Abstract: An apparatus and method for monitoring a cleaning process for a medical device. The apparatus comprises a soil detector. The soil detector is capable of detecting inorganic and/or organic soil on a medical device or in a liquid utilized in a cleaning or cleaning monitoring process or on a soil-covered standard which can serve as a surrogate indicator of cleanliness for the medical device. The method of the invention for monitoring a cleaning process for a medical device comprises the step of measuring the soil removed from a medical device with the apparatus of the invention comprising a soil detector. Preferably, the method further comprises the step of determining when the device is sufficiently cleaned so that it can be sterilized.
    Type: Application
    Filed: April 25, 2002
    Publication date: December 5, 2002
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin
  • Patent number: 6454874
    Abstract: A method for monitoring a cleaning process for a soiled medical device. The method involves cleaning the soiled device with a cleaning liquid in a cleaning chamber, exposing a detector to the cleaning liquid to measure the amount of soil removed, determining whether a sufficient amount of the soil has been removed from the soiled device so that the soiled device can be sterilized, and sterilizing the soiled device. One method of determining the amount of soil is by detecting the signal generated from the reaction between a chemical and the soil. Another method is to provide a soiled standard and measure the amount of soil removed from the soiled standard to determine whether enough soil has been removed from the soiled standard so that the soiled device can be sterilized. Another method involves measuring the amount of soil removed from the soiled device with at least two detectors.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: September 24, 2002
    Assignee: Ethicon, Inc.
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin
  • Patent number: 6394111
    Abstract: An apparatus and method for monitoring a cleaning process for a medical device. The apparatus comprises a soil detector. The soil detector is capable of detecting inorganic and/or organic soil on a medical device or in a liquid utilized in a cleaning or cleaning monitoring process or on a soil-covered standard which can serve as a surrogate indicator of cleanliness for the medical device. The method of the invention for monitoring a cleaning process for a medical device comprises the step of measuring the soil removed from a medical device with the apparatus of the invention comprising a soil detector. Preferably, the method further comprises the step of determining when the device is sufficiently cleaned so that it can be sterilized.
    Type: Grant
    Filed: May 11, 1998
    Date of Patent: May 28, 2002
    Assignee: Ethicon, Inc.
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin
  • Publication number: 20010033805
    Abstract: A method for monitoring a cleaning process for a soiled medical device. The method involves cleaning the soiled device with a cleaning liquid in a cleaning chamber, exposing a detector to the cleaning liquid to measure the amount of soil removed, determining whether a sufficient amount of the soil has been removed from the soiled device so that the soiled device can be sterilized, and sterilizing the soiled device. One method of determining the amount of soil is by detecting the signal generated from the reaction between a chemical and the soil. Another method is to provide a soiled standard and measure the amount of soil removed from the soiled standard to determine whether enough soil has been removed from the soiled standard so that the soiled device can be sterilized. Another method involves measuring the amount of soil removed from the soiled device with at least two detectors.
    Type: Application
    Filed: May 31, 2001
    Publication date: October 25, 2001
    Inventors: Paul T. Jacobs, Jenn-Han Wang, Szu-Min Lin