Patents by Inventor Drew Cheng

Drew Cheng 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).

  • Publication number: 20240148432
    Abstract: An electrosurgical device includes a distal portion having a first electrode extending distally from an elongated shaft, wherein the first electrode is configured to provide a delivered electrical current to a target treatment site within a patient, and wherein the first electrode defines a first irrigation port configured to release a surgical fluid into the target treatment site; and a second electrode extending distally from the elongated shaft, wherein the second electrode is configured to receive a return electrical current from the target treatment site, and wherein the second electrode defines a second irrigation port configured to release the surgical fluid into the target treatment site; wherein the distal portion of the electrosurgical device defines at least one aspiration port configured to proximally aspirate the surgical fluid from the target treatment site.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Inventors: Xiaoming CHENG, Drew M. WILSON, Matthew S. PALM, Yahia LAOUAR, Yeung CHOW
  • Publication number: 20040153443
    Abstract: A retrospective learning system is described for recording physiological conditions of a patient over a period of time and storing such data in a database in searchable format. The retrospective learning system includes a database to store a number of searchable records, each searchable record including data representing a physiological condition of a patient over a period of time. The system further includes a module to retrieve the records from the database based on a search query and to replay selected ones of the retrieve records. In one embodiment, at least a portion of the data included in the patient record is in a waveform format suitable for providing a waveform image. The patient record further includes data corresponding to the waveform data converted into a searchable format.
    Type: Application
    Filed: February 5, 2003
    Publication date: August 5, 2004
    Inventors: John S. McDonald, Drew Cheng