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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8057400 | System and method of measuring changes in arterial volume of a limb segment A medical diagnostic device performs diagnostics for assessing the ability of the arteries to respond to an increase in blood flow. The medical diagnostic device determines relative changes in arterial volume of the limb segment during a time period after a stimulus... | 11/15/2011 |
| 7976472 | Noninvasive hypovolemia monitor A hypovolemia monitor comprises a plethysmograph input responsive to light intensity after absorption by fleshy tissue. A measurement of respiration-induced variation in the input is made. The measurement is normalized and converted into a hypovolemia parameter. An ... | 07/12/2011 |
| 7841985 | Sensor identification method and system An inventive method and system are provided for identifying a compatible photoplethysmographic sensor when interconnected to a given photoplethysmographic monitor. The method and system may further provide for the identification of which of a plurality of compatible... | 11/30/2010 |
| 7806831 | Method and apparatus for the non-invasive detection of particular sleep-state conditions by monitoring the peripheral vascular system Method and apparatus for monitoring the sleep state condition of an individual by using an external probe applied to a peripheral body location, such as the individual's finger or toe, for detecting changes in the peripheral vascular bed volume of the individual. A ... | 10/05/2010 |
| 7621877 | Body surface probe, apparatus and method for non-invasively detecting medical conditions A probe for application to a selected area of a subject's skin covering a body part, which selected area serves as a measurement site for measuring changes in the pulsatile arterial blood volume thereat, includes: a base for application to the selected area of the s... | 11/24/2009 |
| 7361188 | Portable cardiac monitor A system and method for obtaining ECG signals from an ambulatory patient are disclosed herein. The system is configured to be inexpensive, small, and robust for outpatient monitoring. The system is configured to be a low power consuming device. The system provides o... | 04/22/2008 |
| 7318353 | Method and apparatus for a product displacement sensing device A displacement sensing device transduces deflection of a body disposed around a conduit into complementary signals indicative of the amount of displacement experienced by the conduit. The displacement sensing device includes a cuff and a sensor disposed on an outer ... | 01/15/2008 |
| 7302292 | Breast cancer screening A method of screening for breast cancer, comprising: testing a plurality of asymptomatic women by measuring at least one electrical impedance characteristic on at least one breast, said asymptomatic woman being classified as belonging to a first group having a first... | 11/27/2007 |
| 7291123 | Joint for fluid transport lines for medical use The joint (36) comprises a tubular body (37) having two connecting zones (38, 39) each connected by an end to a tubular element (40) of a fluid transport line, giving continuity to passage of fluid. The tubular body is made of a mixture o... | 11/06/2007 |
| 7275447 | Method and apparatus to determine an initial flow rate in a conduit A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these changes), or relative changes in the flow to be measured are monitored and t... | 10/02/2007 |
| 7252639 | Method and apparatus for measuring biological condition In an apparatus for measuring a biological condition of a living body, a light emitting unit emits individually first and second lights to a measurement portion of the living body. The first and second lights have first and second wavelengths, respectively. The firs... | 08/07/2007 |
| 7250775 | Microfluidic devices and methods based on measurements of electrical admittance Microfluidic devices and methods that use electrical admittance as the basis for measuring flow rate of fluids and/or for distinguishing (e.g., characterizing, sorting, separation, etc.) different particles, chemical compositions or biospecies (e.g., different cells... | 07/31/2007 |
| 7232412 | Blood pressure measuring apparatus A blood pressure measuring apparatus oppresses blood vessels of a human body by an inflating unit through a cuff. When the blood vessels are oppressed through the cuff, a pulse wave superposed on a cuff pressure signal through a cuff pressure detector is detected by... | 06/19/2007 |
| 7225009 | Apparatus for noninvasively measuring hematocrit and associated methods An interface unit for receiving a body part of a subject at which a noninvasive hematocrit measurement is to be obtained includes a narrow monitoring element with a receptacle for receiving at least a portion of the body part and contacts that are configured for est... | 05/29/2007 |
| 7201726 | Method for physiological volume measurement and analysis A repeatable patient-specific measurement technique, along with a technique for analyzing the data obtained. The process employs common anatomical reference points to guide the clinician performing the measurements. The measurements taken are logged into a database ... | 04/10/2007 |
| 7203536 | Method and apparatus for the determination of body composition using bioelectric impedance measurements in a depth direction A bioelectrical impedance apparatus and method includes a pair of current-carrying electrodes and a pair of measuring electrodes are rectilinearly arranged on a living body surface so that the measuring electrode having a smaller area than the other measuring electr... | 04/10/2007 |
| 7169110 | Apparatus and method for diagnosing sleep apnea An apparatus for diagnosing sleep apnea, which detects a temporary cessation of breathing during sleep by applying light to a part of a subject's body and processing light output therefrom, includes a light source unit for sequentially generating light of at least t... | 01/30/2007 |
| 7165010 | Vessel evaluation methods, apparatus, computer-readable media and signals Methods, apparatuses, media and signals for evaluating a vessel. One method includes receiving at least one measurement of a physical dimension of the vessel, and producing an indication of abnormality in the vessel, in response to the at least one received measurem... | 01/16/2007 |
| 7147609 | Penile volumetric measuring device A volumetric measuring device for measuring a body part. The device includes a fluid container filled with fluid. The fluid container has a body part opening for permitting the insertion of a body part and a displaced fluid opening for permitting the flow of fluid t... | 12/12/2006 |
| 7147601 | Signal averaging using gating signal obtained from autocorrelation of input signals A plethysmographic or other signal is autocorrelated to give a first-pass determination of the distances among individual waveforms. A waveform is isolated, tested to determine whether its amplitude remains in suitable bounds for signal averaging, and convolved with... | 12/12/2006 |
| 7121150 | Method and apparatus to determine an initial flow rate in a conduit A method and apparatus for determining an initial flow rate in a conduit is disclosed. A known change is made to the flow to be measured, resulting changes (or values corresponding to these changes), or relative changes in the flow to be measured are monitored and t... | 10/17/2006 |
| 7118534 | Methods for monitoring and optimizing central venous pressure and intravascular volume Central Venous Pressure (CVP) is non-invasively determined with accuracy comparable to invasive measurement techniques. To do so, curves are plotted based on non-invasively determined patient information obtained by applying a controllable variable (pressure) to a v... | 10/10/2006 |
| 7035773 | Appendable system and devices for data acquisition, analysis and control An appendable system includes a plurality of appendable devices that are adapted to interoperate with each other and/or a workstation via a communication network to monitor and/or control a process. Each of the appendable devices can communicate with one or more sen... | 04/25/2006 |
| 7011631 | Noninvasive method of measuring blood density and hematocrit Apparatus and methods for noninvasively measuring blood density and hematocrit in a human subject can include an appliance for applying pressure around a segment of a subject's limb or appendage that includes a pressure sensing means and encloses an array of impedan... | 03/14/2006 |
| 7001337 | Monitoring physiological parameters based on variations in a photoplethysmographic signal A method and apparatus are disclosed for using photoplethysmography to obtain physiological parameter information related to respiration rate, heart rate, heart rate variability, blood volume variability and/or the autonomic nervous system. In one implementation, th... | 02/21/2006 |
| 6997879 | Methods and devices for reduction of motion-induced noise in optical vascular plethysmography Methods and devices are provided for reducing motion artifacts when monitoring volume changes in blood vessels. Light having a first wavelength and light having a second wavelength are transmitted through a human appendage, toward the epidermis of a patient, or thro... | 02/14/2006 |
| 6997882 | 6-DOF subject-monitoring device and method The present invention comprises novel methods and devices for monitoring a subject by acquiring reliable and accurate 6-DOF data regarding the subject, and by using those data to obtain information about the subject's movements in three-dimensional space. Informatio... | 02/14/2006 |
| 6979295 | Automatic color gain adjustments A system for automatically adjusting color gain of an ultrasound image. Image data passes through a wall filter and is processed into a time-gain compensation curve. Values of the time-gain compensation curve are multiplied with corresponding image data values to co... | 12/27/2005 |
| 6974418 | Automatic calibration of blood volume status indicators In a method for calibrating an indicator of the status of blood volume in a patient breathing with the aid of a mechanical ventilator, blood pressure data is obtained from the patient and used to determine a patient blood volume status indicator. Changes in at least... | 12/13/2005 |
| 6939301 | Automatic volume measurements: an application for 3D ultrasound A method for determining the volume of an irregularly shaped body part or body such as a fetus using a 3D ultrasonic image composed of light and dark pixels. A caliper is placed on a portion whose volume is to be determined and a computer having the image, automatic... | 09/06/2005 |
| 6939304 | Method and apparatus for non-invasively evaluating endothelial activity in a patient A method and apparatus for non-invasively evaluating endothelial activity in a patient, particularly for indicating the presence of an endothelial dysfunction condition, by applying an occluding pressure to a predetermined part of an arm or leg of the patient to occ... | 09/06/2005 |
| 6923102 | Washing device A washing installation includes a first washer (3) for washing slices of root vegetable with water, a second washer in the form of a rotating pipe (4) supplied with water at an infeed end for the slices of root vegetable washed during slicing, and a th... | 08/02/2005 |
| 6909985 | Method and apparatus for recording changes associated with acceleration of a structure The present invention is directed to recording changes associated with the acceleration of a structure. An exemplary embodiment includes an accelerometer array having at least one silicon beam type accelerometer, a nonvolatile memory, a clock timer, a programmable c... | 06/21/2005 |
| 6908436 | Method of measuring endothelial function in a person A method of measuring endothelial function in a person (2), which method comprises applying pressure to one arm of the person (2) such as to restrict blood flow in the arm (6), releasing the pressure in order to cause an increase in blood flow i... | 06/21/2005 |
| 6905456 | Intermittent compression device A device for intermittent compression of human extremities such as, for instance, the region of the calves, to assist the return of body fluid in the direction of the heart. The device comprises a cuff and a pressure generator, which intermittently pressurizes the c... | 06/14/2005 |
| 6896661 | Monitoring physiological parameters based on variations in a photoplethysmographic baseline signal A method and apparatus are disclosed for using photoplethysmography to obtain physiological parameter information related to respiration or the autonomic nervous system. In one implementation, the process involves obtaining (602) a pleth, filtering (604 | 05/24/2005 |
| 6816741 | Plethysmograph pulse recognition processor An intelligent, rule-based processor provides recognition of individual pulses in a pulse oximeter-derived photo-plethysmograph waveform. Pulse recognition occurs in two stages. The first stage identifies candidate pulses in the plethysmograph waveform. The candidat... | 11/09/2004 |
| 6749567 | Noninvasive method of measuring physiologic parameters The present invention provides means and methods for noninvasively identifying the blood pressure characteristics in each of the seven types of vessels in the circulatory system, including the central venous pressure (CVP) through a single monitoring system using fl... | 06/15/2004 |
| 6719705 | Device and method for noninvasive continuous determination of physiologic characteristics The invention comprises devices for noninvasively monitoring physiological characteristics of a patient's blood. Generally, probes having radiation emitters and detectors are used to determine absorbance of blood within the patient's tissue to determine various bloo... | 04/13/2004 |
| 6695788 | Methods for measurement of hemodynamics A method for measuring hemodynamics of an experimental animal enabling repeated measurements, the method comprising the following steps: (i) ligating at least two parts of an artery, between which a part to be incised is located, of the experimental animal, th... | 02/24/2004 |
