Patents by Inventor Zhensheng Zheng

Zhensheng Zheng 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: 20060116615
    Abstract: An external counter-pulsation device in accordance with the present invention includes a solenoid valve (1) and a cylinder (2). A gas-supplying pipe (4) is connected between the solenoid valve (1) and the cylinder (2), for supplying gas to the cylinder (2). A piston (21) is positioned inside the cylinder (2). The piston (21) is connected with a pushing board (3) via a pushing pole (22). A soft medium layer (6) is secured on the inside surface of the pushing board (3), for preventing the body (5) of a patient from being injured. The cylinder (2) is secured to a holding board (8). Two ends of a surrounding strip (7) are fastened to the holding board (8), for confining the body (5). The cylinder applies gas with high pressure, so the gas consumption can be reduced and the external counter-pulsation device of the present invention has improved treatment results.
    Type: Application
    Filed: June 4, 2004
    Publication date: June 1, 2006
    Applicant: BIOMEDICAL ENGINEERING DEVELOPMENT CENT, SUN YATSEN UNIVERSITY OF MEDICAL SCIENCES
    Inventors: Zhensheng Zheng, Jinfang Yang, Kuijian Wang, Zhimin Du
  • Publication number: 20050070755
    Abstract: The present invention provides a method for applying external counterpulsation to a patient, including detecting a blood-flow impedance signal, self-adaptive filter processing the detected blood-flow impedance signal, and adjusting inflation of an inflatable member based on the self-adaptive filter processing in order to optimize counterpulsation timing. A computer processes the signals and controls a fluid distribution device to distribute compressed fluid to a plurality of inflatable members based on said processed signals.
    Type: Application
    Filed: November 19, 2004
    Publication date: March 31, 2005
    Inventors: Zhensheng Zheng, Zhili Huang, Ziqiang Huang, Shifang Yang, Ying Liao
  • Patent number: 6863670
    Abstract: The present invention provides a method for applying external counterpulsation to a patient, including detecting a blood-flow impedance signal, self-adaptive filter processing the detected blood-flow impedance signal, and adjusting inflation of an inflatable member based on the self-adaptive filter processing in order to optimize counterpulsation timing. The present invention further includes an external counterpulsation apparatus providing a high-frequency current source applied to the patient to produce an electrocardiographic signal and a blood flow impedance signal, as well as an amplifier-filter circuit to operably condition the electrocardiographic signal and a heart impedance signal amplifier receiving the blood flow impedance signal. A computer processes the signals and controls a fluid distribution device to distribute compressed fluid to a plurality of inflatable members based on said processed signals.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: March 8, 2005
    Assignee: Vasomedical, Inc.
    Inventors: Zhensheng Zheng, Zhili Huang, Ziqiang Huang, Shifang Yang, Ying Liao
  • Publication number: 20030144690
    Abstract: The present invention provides a method for applying external counterpulsation to a patient, including detecting a blood-flow impedance signal, self-adaptive filter processing the detected blood-flow impedance signal, and adjusting inflation of an inflatable member based on the self-adaptive filter processing in order to optimize counterpulsation timing. The present invention further includes an external counterpulsation apparatus providing a high-frequency current source applied to the patient to produce an electrocardiographic signal and a blood flow impedance signal, as well as an amplifier-filter circuit to operably condition the electrocardiographic signal and a heart impedance signal amplifier receiving the blood flow impedance signal. A computer processes the signals and controls a fluid distribution device to distribute compressed fluid to a plurality of inflatable members based on said processed signals.
    Type: Application
    Filed: March 12, 2003
    Publication date: July 31, 2003
    Inventors: Zhensheng Zheng, Zhili Huang, Ziqiang Huang, Shifang Yang, Ying Liao
  • Patent number: 6572621
    Abstract: The present invention provides a high efficiency external counterpulsation apparatus having accurate and reliable timing of inflation and deflation and reduced temperature of the pressurized gas, such that the gas flow temperature of the balloons is near to room temperature. The external counterpulsation apparatus also has a new gas distribution device and devices for monitoring the blood pressure and oxygen levels in the blood of a patient for improving safety. The present invention further provides a method for controlling the external counterpulsation apparatus.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: June 3, 2003
    Assignee: Vasomedical, Inc.
    Inventors: Zhensheng Zheng, Zhili Huang, Ziqiang Huang, Shifang Yang, Ying Liao
  • Patent number: 5997540
    Abstract: The present invention provides a high efficiency external counterpulsation apparatus having accurate and reliable timing of inflation and deflation and reduced temperature of the pressurized gas, such that the gas flow temperature of the balloons is near to room temperature. The external counterpulsation apparatus also has a new gas distribution device and devices for monitoring the blood pressure and oxygen levels in the blood of a patient for improving safety. The present invention further provides a method for controlling the external counterpulsation apparatus.
    Type: Grant
    Filed: October 22, 1997
    Date of Patent: December 7, 1999
    Assignee: Vasomedical, Inc.
    Inventors: Zhensheng Zheng, Zhili Huang, Shifang Yang, Ying Liao
  • Patent number: 5554103
    Abstract: The present invention provides a high efficiency external counterpulsation apparatus having accurate and reliable timing of inflation and deflation and reduced temperature of the pressurized gas, such that the gas flow temperature of the balloons is near to room temperature. The external counterpulsation apparatus also has a new gas distribution device and devices for monitoring the blood pressure and oxygen levels in the blood of a patient for improving safety. The present invention further provides a method for controlling the external counterpulsation apparatus.
    Type: Grant
    Filed: February 27, 1995
    Date of Patent: September 10, 1996
    Assignee: Vasomedical, Inc.
    Inventors: Zhensheng Zheng, Zhili Huang, Ziqiang Huang, Shifang Yang