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| Number | Title | Issue Date |
| 8187197 | Cerebral perfusion monitor A method of estimating cerebral blood flow includes obtaining a measure of time-varying blood volume in the head, using an impedance plethysmography (102 and 104), obtaining a measure of time-varying blood volume in the scalp, and using the time-varyin... | 05/29/2012 |
| 8157742 | Method and system for patient-specific modeling of blood flow Embodiments include a system for planning treatment for a patient. The system may include at least one computer system configured to receive patient-specific data regarding a geometry of an anatomical structure of the patient, create a three-dimensional model repres... | 04/17/2012 |
| 8118750 | Flow sensors for penile tumescence The disclosure describes blood flow sensors for detecting penile tumescence. A system according to the invention may include at least one sensor for sensing blood flow into the penis, and one sensor for sensing blood flow away from the penis. Detecting penile tumesc... | 02/21/2012 |
| 7981044 | Method of measuring blood flow using bio-photon emission A device for and a method of measuring a blood flow of a living body having blood vessels that emit bio-photons and through which blood flows, the device including a detector positioned adjacent to a predetermined portion of the living body for measuring a bio-photo... | 07/19/2011 |
| 7967758 | Devices and methods for detecting and treating inadequate tissue perfusion Devices and methods for detecting inadequate tissue perfusion by measuring a parameter other than heart rate such as vascular blood pressure, intracardiac blood pressure, vascular blood flow or tissue perfusion, in addition to or as a substitute for heart rate. Such... | 06/28/2011 |
| 7959575 | Blood rheology measuring apparatus A blood rheology measuring apparatus has a measuring portion for measuring a flow velocity of the blood flowing in a blood vessel of a person in a mode of a Doppler shift signal by transmitting and receiving a wave to and from a surface of the person's skin. An info... | 06/14/2011 |
| 7935062 | Derivation of flow contour from pressure waveform The present invention provides a system and method for estimating a blood flow waveform contour from a pressure signal. An arterial or ventricular pressure signal is acquired from a pressure sensor. Landmark points are identified on the pressure waveform that corres... | 05/03/2011 |
| 7927284 | Quantifying hemodynamic response to drug therapy using implantable sensor Systems and methods provide for assessing a patient's hemodynamic response to a drug therapy. A patient's hemodynamic response to a drug therapy is monitored using sensor data acquired using one or more sensors. The patient's hemodynamic response to the drug therapy... | 04/19/2011 |
| 7819812 | Modulation and analysis of cerebral perfusion in epilepsy and other neurological disorders A system including an implantable neurostimulator device capable of modulating cerebral blood flow to treat epilepsy and other neurological disorders. In one embodiment, the system is capable of modulating cerebral blood flow (also referred to as cerebral perfusion)... | 10/26/2010 |
| 7758511 | System for quantifying blood flow in tissue with periodic updating of tissue baseline conditions Disclosed are methods and apparatus for determining blood flow in tissue. Particularly methods and apparatus are disclosed for establishing baseline thermal properties for the tissue and providing one or more steps for periodically determining changes in the tissue ... | 07/20/2010 |
| 7727159 | Apparatus and method for detecting blood flow signal free from motion artifact and stress test apparatus using the same An apparatus and method to detect a blood flow signal free from a motion artifact, and a stress test apparatus using the same, enhance data reliability of the blood flow signal by removing the motion artifact from the blood flow signal detected by photo-plethysmogra... | 06/01/2010 |
| 7722545 | Surface structure for a catheter sliding surface The invention consists of a surface structure for a friction or sliding surface of a catheter (10) or guide wire (12) characterized by a plurality of recesses (18) distributed on the surface for accommodating a friction-reducing fluid and by sli... | 05/25/2010 |
| 7708695 | Apparatus and method for detecting blood flow A method and apparatus for detecting blood flow in or at a subject's fingertip (20) or other body part, in which Doppler-shifted measuring beam radiation (18) is reflected by the red blood cells and re-enters the laser cavity of the laser diode (10 | 05/04/2010 |
| 7704213 | Method and device for determining the blood flow in a blood-conducting tube A measurement method for determining the blood flow rate QF in blood carrying lines is provided. It may be used in particular to determine the blood flow in a patient's vessel, which is connected to the extracorporeal circulation of a blood treatment mach... | 04/27/2010 |
| 7678060 | Method of monitoring a state of health, and a wellness/emotional state monitor implementing the method A method of deriving a single integer figure of merit representative of vital signs of a mammalian, generally a human subject. A systolic blood pressure S, a diastolic pressure D, and a heart rate PR are used to calculate an Inferred Blood Flow (IBF) using the equat... | 03/16/2010 |
| 7648463 | Monitoring device, method and system A monitoring device (20) and method (200) for monitoring the health of a user is disclosed herein. The monitoring device (20) preferably includes eyewear (25) with an optical sensor (30), a digital storage and processing device ( | 01/19/2010 |
| 7628760 | Circulation monitoring system and method A lightweight portable probe or transducer containing a transmissive or reflective electro-optical emitter and receptor in the infrared spectrum is fitted on a subject's finger or toe. Associated electronics energize and monitor the probe, detect cardio-rhythmic flu... | 12/08/2009 |
| 7621876 | Continuous, non-invasive technique for determining blood pressure using a transmission line model and transcutaneous ultrasound measurements A method and technique for the continuous, non-invasive measurement of blood pressure. The blood pressure measurement technique of the present invention utilizes ultrasound measurements to determine the diameter of the blood vessel in which the blood pressure is bei... | 11/24/2009 |
| 7611470 | Measurement of cardiac output and blood volume by non-invasive detection of indicator dilution A system for evaluating the cardiovascular system parameters using indicator dilution and non-invasive or minimally invasive detection methods is disclosed. Intravascular indicators are stimulated, and emissions patterns detected for computation of cardiac output, c... | 11/03/2009 |
| 7572230 | Method for the presentation of information concerning variations of the perfusion The invention relates to a method for the presentation of information concerning variations of the arterial filling with blood (perfusion) of organs of living beings on the user surface (10) of a display screen, in which method the data required for the prese... | 08/11/2009 |
| 7563231 | Rapid thermal detection of cardiac output change An improved method and apparatus for measuring changes in blood flow, particularly in the context of an automatic arrhythmia treatment device. The invention may employ a flow sensor which is activated in response to detection of a tachyarrhythmia or in response to d... | 07/21/2009 |
| 7527597 | Acoustic detection of vascular conditions Apparatus and methods that use the acoustic characteristics of vascular blood flow to assess vascular conditions are disclosed. An example method for detecting a change in a vascular condition receives sound information associated with blood flowing through a vascul... | 05/05/2009 |
| 7497832 | Method and device for measuring peripheral vascular function A patient's peripheral pulse volume and blood pressure are measured. The quantities are used to obtain a quantitative measure of peripheral vascular function. The quantitative measure can be one or more of pulsatile limb blood flow, total limb blood flow, limb vascu... | 03/03/2009 |
| 7491173 | Method and system for obtaining dimension related information for a flow channel A method and system for determination of dimension related information such as volumetric flow rate(s) of a fluid flowing through a channel. In one implementation, the method and system analyzes temporal changes in a moving fluid's velocity profile to calculate the ... | 02/17/2009 |
| 7488293 | Processing pulse signal in conjunction with accelerometer signal in cardiac resuscitation A cardiac resuscitation device that includes a pulse sensor configured to detect pulse information characterizing the cardiac pulse in the patient, an accelerometer configured to detect chest movements of the patient during chest compressions, and memory and process... | 02/10/2009 |
| 7488292 | Blood vessel detection device A blood-vessel detecting device includes a partially-deforming device which can be inserted into the body cavity so as to come into contact with the tissue surface in order to deform a part of the tissue surface so that turbulence is generated in a blood flow within... | 02/10/2009 |
| 7485094 | Methods of diagnosis using pulse volume measurement The utility of pulse volume measurement is expanded to detection of many conditions which have previously not been detected or have been detected using more complicated techniques. Such conditions include blood loss, septic shock, cardiogenic shock, neonatal sepsis,... | 02/03/2009 |
| 7468039 | Adjustable tension cuff assembly A cuff assembly for placement around a body vessel comprises a cuff member sized to substantially surround the body vessel, and a tether assembly engaged with the cuff member. The tether assembly is sized to at least substantially encircle the cuff member, and inclu... | 12/23/2008 |
| 7416542 | Open circuit gravity-assisted uroflowmeter An open circuit gravity-assisted uroflowmeter has a urine collector having a generally open inlet in fluid communication with a sensing passage located at a lower elevation than the inlet, the sensing passage intersecting a magnetic field and having electrodes for d... | 08/26/2008 |
| 7413545 | Method of calculating circulation dynamics of a living body In a method of calculating circulation dynamics of a living body, a resistance component corresponding to a shape of a blood vessel in the living body is derived using previously obtained values of viscosity, pressure and flow rate of blood flowing in the blood vess... | 08/19/2008 |
| 7410465 | Devices for counteracting hypotension Devices and methods are disclosed to address blood pressure control. More particularly, the present invention relates to correction of transient low blood pressure. ... | 08/12/2008 |
| 7402137 | Adjustable table plethysmograph A plethysmograph is constructed with a base including parallel, horizontal guide rails; an open-ended, moveable enclosure section having a horizontal central axis slidable on the guide rails between open and closed positions; a fixed enclosure section mounted on the... | 07/22/2008 |
| 7399280 | Passive and wireless in-vivo acoustic wave flow sensor A wireless surface wave flow sensor can be utilized for monitoring the flow of fluid. Such a surface wave flow sensor can be configured to include one or more interdigital transducers and a self-heating heater formed upon a piezoelectric substrate. The interdigital ... | 07/15/2008 |
| 7374540 | Non-invasive probe for detecting medical conditions A non-invasive probe for application to a body part, such as a finger, toe or limb, for the detection of a medical condition of the subject includes a housing defining a compartment closed at one end and open at the opposite end for receiving the distal end of the s... | 05/20/2008 |
| 7367941 | Detection and characterization of cholinergic oscillatory control in peripheral microvasculature The present invention is an apparatus and method for assessing the condition of a subject by measuring and characterizing one or more oscillatory activities of the subject. The oscillatory activities are under the control of the autonomic nervous system and characte... | 05/06/2008 |
| 7354444 | Occlusion device with deployable paddles for detection and occlusion of blood vessels Devices, systems and methods for temporarily reducing or abolishing blood flow by occluding blood vessels are provided. A blood vessel-occlusion device embodying features of the invention includes a deployable pressure-applying member with a location sensor, and an ... | 04/08/2008 |
| 7351209 | Apparatus for inspecting allergic reaction An apparatus for inspecting an allergic reaction projects laser light onto an object having a bloodstreams and receives, using a light sensor, light rays scattered by blood cells at the surface of the object. Based on signals output from the light sensor, the appara... | 04/01/2008 |
| 7344504 | Venous distensibility evaluation index measuring apparatus In an venous distensibility evaluation index measuring apparatus, a pressure adjusting section generates a pressure to supply it to a venous occluding section; in response thereto the venous occluding section starts to press a vein in the upper arm; upon this operat... | 03/18/2008 |
| 7341562 | Modulation and analysis of cerebral perfusion in epilepsy and other neurological disorders A system including an implantable neurostimulator device capable of modulating cerebral blood flow to treat epilepsy and other neurological disorders. In one embodiment, the system is capable of modulating cerebral blood flow (also referred to as cerebral perfusion)... | 03/11/2008 |
| 7341560 | Apparatuses and methods for non-invasively monitoring blood parameters An apparatus for monitoring vital sign parameters in a biological entity is disclosed. In an embodiment, the apparatus includes at least one light source for transmitting light through the biological entity and at least one photodetector for receiving light transmit... | 03/11/2008 |
