Patents Assigned to The Hon Group
  • External uterine contraction monitoring device
    Patent number: 5070888
    Abstract: An improved monitoring device for externally monitoring labor contractions preceding childbirth which does not require the use of a belt is disclosed consisting of a transducer assembly removably fixed to a base adhesively attached to the abdomen of the woman.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: December 10, 1991
    Assignee: The Hon Group
    Inventors: Edward H. Hon, Edward D. Hon, Robert W. Hon
  • Continuous cutaneous blood pressure measuring apparatus and method
    Patent number: 5025792
    Abstract: Apparatus and method for continuously measuring cutaneous blood pressure is disclosed. A portion of cutaneous tissue, preferably covering a digit such as a finger, is isolated and a pressure sensing device, such as a strain gauge, measures the changes in pressure in the isolated cutaneous tissue. The pressure sensing device is mounted on a stable platform fixed relative to the cutaneous tissue of the digit.
    Type: Grant
    Filed: September 26, 1985
    Date of Patent: June 25, 1991
    Assignee: The Hon Group
    Inventors: Edward H. Hon, Edward D. Hon
  • Apparatus for measuring blood pressure
    Patent number: 4993422
    Abstract: Apparatus for continuously measuring blood pressure, preferably in the situs of the wrist is disclosed. A hand and wrist support structure maintains the hand and wrist in a substantially fixed relationship. A pressure monitoring apparatus consisting of a sensing device and structure for maintaining the sensor over the radial artery of a user so as to measure the blood pressure is disclosed.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: February 19, 1991
    Assignee: The Hon Group
    Inventors: Edward H. Hon, Edward D. Hon
  • Sensor support plate with detachable ring
    Patent number: 4947865
    Abstract: A sensor support base having a rigid inner portion and a relatively flexible outer ring portion removably attached around its periphery for adhesive application to a patient is disclosed. The relatively flexible outer ring portion has a relatively rigid segment for assisting in attachment to the periphery of the inner portion. A layer of absorbent material on the upper surface of the outer ring portion is used for absorbing perspiration of the patient.
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: August 14, 1990
    Assignee: The Hon Group
    Inventors: Edward H. Hon, Edward D. Hon, Robert W. Hon
  • Intrauterine catheter
    Patent number: 4944307
    Abstract: An intrauterine catheter is disclosed employing a catheter tube closed at one end by a flexible membrane, and connected at its other end to the input of a pressure transducer. The catheter is filled by injection of a sterile solution through the flexible membrane into the catheter tube or by pre-filling. The pressure measuring system is capable of being zeroed while the catheter is in place in the uterus.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: July 31, 1990
    Assignee: The Hon Group
    Inventors: Edward H. Hon, Robert W. Hon, Edward D. Hon
  • Transducer support base with a depending annular isolation ring
    Patent number: 4860768
    Abstract: An improved support base for supporting a transducer used for the monitoring of uterine contractions is disclosed. A support plate is concave and has a projecting annular ring on its lower surface spaced from and surrounding the central opening in the support plate, which acts as an isolation ring and to deform the skin into a hemispherical shape for being brought into contact with the transducer.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: August 29, 1989
    Assignee: The Hon Group
    Inventors: Edward H. Hon, Edward D. Hon, Robert W. Hon