Bleeding Detection Patents (Class 600/371)
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Publication number: 20030018244Abstract: The microwave hemorrhagic stroke detector includes a low power pulsed microwave transmitter with a broad-band antenna for producing a directional beam of microwaves, an index of refraction matching cap placed over the patients head, and an array of broad-band microwave receivers with collection antennae. The system of microwave transmitter and receivers are scanned around, and can also be positioned up and down the axis of the patients head. The microwave hemorrhagic stroke detector is a completely non-invasive device designed to detect and localize blood pooling and clots or to measure blood flow within the head or body. The device is based on low power pulsed microwave technology combined with specialized antennas and tomographic methods.Type: ApplicationFiled: September 23, 2002Publication date: January 23, 2003Applicant: The Regents of the University of CaliforniaInventors: Waleed S. Haddad, James E. Trebes
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Patent number: 6490468Abstract: A system records use of a structure deployed in operative association with heart tissue in a patient. An image controller generates an image of the structure while in use in the patient. An input receives data including information identifying the patient. An output processes the image in association with the data as a patient-specific, data base record for storage, retrieval, or manipulation.Type: GrantFiled: March 12, 2001Date of Patent: December 3, 2002Assignee: EP Technologies, Inc.Inventors: Dorin Panescu, David K. Swanson, David F. Dueiri, David McGee, Daniel A. Dupree, James G. Whayne, Robert R. Burnside, Tuan Nguyen
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Publication number: 20020137999Abstract: A monitoring and alarm system for detecting unexpected bleeding from a bleed site of a medical patient and for alerting medical attendant(s) thereof, wherein the system consists of an electrical circuit having a sensor for detecting the presence of blood at a bleed site, the sensor being operative to switch on a warning that such bleeding is occurring, and a structure for mounting the system proximate the bleed site.Type: ApplicationFiled: May 18, 2002Publication date: September 26, 2002Inventors: John J. Bandeian, John J. Bandeian
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Patent number: 6454711Abstract: The microwave hemorrhagic stroke detector includes a low power pulsed microwave transmitter with a broad-band antenna for producing a directional beam of microwaves, an index of refraction matching cap placed over the patients head, and an array of broad-band microwave receivers with collection antennae. The system of microwave transmitter and receivers are scanned around, and can also be positioned up and down the axis of the patients head. The microwave hemorrhagic stroke detector is a completely non-invasive device designed to detect and localize blood pooling and clots or to measure blood flow within the head or body. The device is based on low power pulsed microwave technology combined with specialized antennas and tomographic methods. The system can be used for rapid, non-invasive detection of blood pooling such as occurs with hemorrhagic stroke in human or animal patients as well as for the detection of hemorrhage within a patient's body.Type: GrantFiled: April 23, 1999Date of Patent: September 24, 2002Assignee: The Regents of the University of CaliforniaInventors: Waleed S. Haddad, James E. Trebes
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Patent number: 6445304Abstract: A monitoring and alarm system for detecting excessive bleeding from medical patients and for alerting medical attendant(s) thereof, the system comprises a relatively thick sheet-like base of electrically non-conductive, blood porous material having a proximal side adapted for mounting directly on a patients skin or on a porous protective gauze or bandage or the like thereon at a site on the patients body where heavy bleeding can occur due to inadvertent opening of a wound or incision, or due to inadvertent extraction of a syringe, I.V. tube, catheter or the like, the base has a distal side, a normally open electrical circuit positioned adjacent the distal side and spaced from the proximal side a predesigned distance, electrically actuable visual, sound or physical alarm electrically connected into the circuit, and electrical switching for the circuit responsive to contact with blood to close the circuit and actuate the alarm to alert the medical attendant(s) to the excessive bleeding.Type: GrantFiled: August 11, 2000Date of Patent: September 3, 2002Inventors: John J. Bandeian, Jr., John J. Bandeian, III
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Patent number: 6225126Abstract: A method and apparatus are provided for measuring hemostasis. The apparatus includes a torque sensing column having a torque sensing element and a drive ring disposed around a body of the column and in registration with the column so as to allow rotation of the drive ring around a longitudinal axis of the column. The apparatus further includes a first guide shaft rigidly secured to the drive ring, the guide shaft extending parallel to the longitudinal axis of the column and a cup holder movably attached to the guide shaft, allowing the cup holder to move parallel to the longitudinal axis of the column. The apparatus also includes a sample cup adapted to engage the cup holder on a outer surface and the torque sensing element of the torque sensing column on an inner surface.Type: GrantFiled: February 22, 1999Date of Patent: May 1, 2001Assignee: Haemoscope CorporationInventors: Eli Cohen, Peter R. Delmenico, Gabriel Ravin, William R. George, John A. Lake
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Patent number: 6083159Abstract: Methods and apparatus for the remote coagulation of blood using high-intensity focused ultrasound (HIFU) are provided. A remote hemostasis method comprises identifying a site of internal bleeding and focusing therapeutic ultrasound energy on the site, the energy being focused through an intervening tissue. An apparatus for producing remote hemostasis comprises a focused therapeutic ultrasound radiating surface and a sensor for identifying a site of internal bleeding, with a registration means coupled to the radiating surface and the sensor to bring a focal target and the bleeding site into alignment. The sensor generally comprises a Doppler imaging display. Hemostasis enhancing agents may be introduced to the site for actuation by the ultrasound energy.Type: GrantFiled: June 4, 1999Date of Patent: July 4, 2000Assignee: THS International, Inc.Inventors: Edward C. Driscoll, Jr., Larry Crum, Wing K. Law, Stan DeMarta
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Patent number: 5993389Abstract: Methods and apparatus for the remote coagulation of blood using high-intensity focused ultrasound (HIFU) are provided. A remote hemostasis method comprises identifying a site of internal bleeding and focusing therapeutic ultrasound energy on the site, the energy being focused through an intervening tissue. An apparatus for producing remote hemostasis comprises a focused therapeutic ultrasound radiating surface and a sensor for identifying a site of internal bleeding, with a registration means coupled to the radiating surface and the sensor to bring a focal target and the bleeding site into alignment. The sensor generally comprises a Doppler imaging display. Hemostasis enhancing agents may be introduced to the site for actuation by the ultrasound energy.Type: GrantFiled: November 22, 1995Date of Patent: November 30, 1999Assignee: THS International, Inc.Inventors: Edward C. Driscoll, Jr., Lawrence A. Crum, Wing K. Law, Stan DeMarta
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Patent number: 5882302Abstract: Methods and apparatus for the remote coagulation of blood using high-intensity focused ultrasound (HIFU) are provided. A remote hemostasis method comprises identifying a site of internal bleeding and focusing therapeutic ultrasound energy on the site, the energy being focused through an intervening tissue. An apparatus for producing remote hemostasis comprises a focused therapeutic ultrasound radiating surface and a sensor for identifying a site of internal bleeding, with a registration means coupled to the radiating surface and the sensor top bring a focal target and the bleeding site into alignment. The sensor generally comprises a Doppler imaging display. Hemostasis enhancing agents may be introduced to the site for actuation by the ultrasound energy.Type: GrantFiled: June 24, 1996Date of Patent: March 16, 1999Assignee: THS International, Inc.Inventors: Edward C. Driscoll, Jr., Lawrence A. Crum, Wing K. Law, Stan DeMarta
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Patent number: 5840584Abstract: A device 10 detects the presence of occult blood in feces by employing a sheet 12 of brittle material in which are formed a plurality of chambers 18 holding a liquid reagent solution juxtaposed to an absorbant material 14 impregnated with a guaiac material. The individual chambers 18 provide individual liquid tight enclosures that have thin walls that rupture to release the reagent solution when the device 10 is used to wipe feces from the rectum. The reagent solution reacts with the guaiac material to produce a blue color in the presence of occult blood in the feces.Type: GrantFiled: June 7, 1995Date of Patent: November 24, 1998Inventor: Ottfried Waldenburg