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| Number | Title | Issue Date |
| 7717858 | Interventive-diagnostic device Apparatus for improving health of a user is provided, including a first sensor, adapted to measure a first physiological variable, which is indicative of a voluntary action of the user. A second sensor is adapted to measure a second physiological variable, which is ... | 05/18/2010 |
| 7641618 | Capacitance-type pressure sensor and heart beat / respiration measuring device using the same A heart beat/respiration measuring device comprising a sheet-like capacitance-type pressure sensor adapted to be pressed against the human body, and a measuring circuit for measuring a heart rate and/or respiration rate from the output of the sensor. The capacitance... | 01/05/2010 |
| 7330127 | Force optimization surface apparatus and method A support surface includes a cover defining an interior region, a mattress core located in the interior region, and a force sensor located in the interior region. ... | 02/12/2008 |
| 7306564 | Breath monitor A breath monitor includes: a plurality of sensors for detecting a load derived from a human lying on a bed and for outputting a sensor signal corresponding to the load; and breath signal computation means. The sensors are disposed under the human with a predetermine... | 12/11/2007 |
| 7207947 | System and method for detecting circadian states using an implantable medical device Techniques are provided for detecting the circadian state of a patient using an implantable medical device based on selected blood carbon dioxide (CO2) parameters. In one example, the implantable device tracks changes in end tidal CO2 (etCO | 04/24/2007 |
| 7098674 | Occupant sensor An oscillatory or pulsed first signal is operatively coupled to a first electrode placed between a conductive heating element and a seating region of a seat containing the heating element. A second signal substantially equal to the first signal is operatively couple... | 08/29/2006 |
| 7071820 | Wireless patient ambulation motion detector and second call system A patient ambulation motion detector designed to be worn on the body. The detector incorporates a wireless transmitter, a motion sensor switch and a second call switch. It may be enclosed in a plastic case and attached most commonly to the upper anterior chest by a ... | 07/04/2006 |
| 7043296 | Bioelectric signal detector and massage machine A biosignal sensing device (2) includes an electrode section (12) including a pair of electrodes (12a,12b) mounted so that a living body can be in close proximity to or in contact with the electrodes. An oscillation section ... | 05/09/2006 |
| 7035698 | System for controlling medical imaging equipment motion A system including a user input device for controlling a position of medical equipment is described. In an example embodiment, the user input device is configured to be coupled to the medical equipment and is responsive to an operator input representation of a desir... | 04/25/2006 |
| 6778090 | Modular system for monitoring the presence of a person using a variety of sensing devices A capacitive array is housed within a polyester mat or other appropriate nonconductive substrate material which is interconnected with a control module. The control module supplies to the capacitive array a suitable oscillator driver current and concurrently senses ... | 08/17/2004 |
| 6702755 | Signal processing circuit for pyro/piezo transducer An adapter for interfacing a pyro/piezo sensor to a polysomnograph machine comprises a differential input amplifier coupled to receive the raw transducer signals from a PVDF film transducer to provide a requisite gain while rejecting common mode noise. Th... | 03/09/2004 |
| 6480111 | Motion detection for physiological applications A method and system for physiological monitoring using a microprocessor-enhanced magnetic field sensor to measure the mechanical effects of body motion is described. The measurements may be used for a variety of applications, such as detection of respirat... | 11/12/2002 |
| 6373392 | Alert device for providing a warning of a baby's condition which may lead to the onset of SIDS An alert device for providing a warning of a baby's condition which may lead to the onset of SIDS. The alert device includes a receiver for receiving a signal, which has an element for warning a person proximate to the receiver of the baby's condition. A ... | 04/16/2002 |
| 6308705 | Integrated lung therapy method In a lung therapy method, hyperpolarized gas is administered for one breath to a subject, and a magnetic resonance scan of at least one lung of the subject is conducted. The data obtained from the scan are evaluated, specifically to determine the extent a... | 10/30/2001 |
| 6142953 | Respiratory inductive plethysmography band transducer A device for reliably and non-invasively measuring respiration rates and effort by encircling the patient's chest with a device having a large section of inelastic belt attached to a small section of elastic material. The elastic material having two magne... | 11/07/2000 |
| 6019732 | Device and method for measuring tidal volume A device for monitoring tidal volume in a subject comprising a flexible substrate for attachment to an animal or human whose tidal volume is to be monitored; sensing means attached to the substrate and connectable into an electric circuit which converts c... | 02/01/2000 |
| 6011992 | System for measuring and indicating changes in the resistance of a living body A system for measuring changes in the resistance of a living body includes a resistance measuring circuit, an amplifier circuit and an indicator circuit in which the amplifier circuit includes a calibration circuit to give a generally constant amplitude r... | 01/04/2000 |
| 5928156 | Process and device for the automatic detection of abnormal breathing sounds A process and a device for automatically detecting an abnormal respiratory ound permits a continuous and stress-free registration of abnormal respiratory sounds of a test person under normal life activities over a period of time. The respiratory sounds are... | 07/27/1999 |
| 5913830 | Respiratory inductive plethysmography sensor An improved inductive plethysmography sensor involving a conductor having alternating active and inactive segments. The active segments preferably have a narrow diamond shape which minimizes the possibility of artifact. Because of the conductor design, th... | 06/22/1999 |
| 5771327 | Optical fiber probe protector A fiber optic probe protector for protecting a fiber optic probe such that sterilization of the probe after each use is not necessary. The fiber optic probe protector includes a sheath, a window and a handle. The sheath defines a tubular configuration, a ... | 06/23/1998 |
| 5724024 | Device for detecting the presence of persons on seats A device detects whether persons are present on seats, for example of a vehicle. An electric monitoring arrangement with electrodes is associated to each person. The electrodes are provided for sensing the human body, in particular the thorax. Mainly the ... | 03/03/1998 |
| 5367292 | Warning apparatus for a tracheotomy tube The present invention is an apparatus for monitoring the flow of inspired and expired air. The apparatus includes a respiratory air tract and a piezoelectric sensor for sensing the pressure within the air tract relative to ambient pressure and generating ... | 11/22/1994 |
| 5331968 | Inductive plethysmographic transducers and electronic circuitry therefor The present invention is an apparatus and method for improving the detection of the inductance "signal" generated by an inductive plethysmograph (12). Signal detection is improved by modifying the design of the inductive plethysmograph (12) and also by im... | 07/26/1994 |
| 5070321 | Warning apparatus for a tracheotomy tube The present invention pertains to an apparatus for maintaining and monitoring a breathing passage in the trachea of a patient. The apparatus is comprised of a tracheotomy tube for fitting into the trachea. The apparatus is also comprised of means for warn... | 12/03/1991 |
| 5052400 | Method and apparatus for using an inhalation sensor for monitoring and for inhalation therapy An inhalation sensor which uses a non-metallic diaphragm that is metallized on one side, pre-stressed, and used as one plate of a variable capacitance pressure tranducer to sense the inhalation and exhalation of air from the nostrils and/or mouth of a pat... | 10/01/1991 |
| 5002060 | Medical monitoring system A monitoring system adapted simultaneously to monitor cardiac and respiratory, rates and characteristics and substantial changes in temperature of a living body. The system uses sensors which are passive and non-invasive, and remotely completely located o... | 03/26/1991 |
| 4895160 | Apparatus for measuring the life functions of a human being, particularly an infant A method and apparatus are provided for measuring life functions of a human being, particularly an infant, by way of a support acting on the basis of pressure changes as a life condition monitor which also comprises temperature sensors, humidity sensors, ... | 01/23/1990 |
| 4867152 | Respiratory therapy apparatus with selective display of parameter set points Respiratory therapy apparatus is provided with setting elements such as knobs for inputting set values for various parameters. A digital display is provided for showing measured values of operational variables. The set point for each parameter is displaye... | 09/19/1989 |
| 4827763 | Pressure mapping system with capacitive measuring pad A pressure distribution measuring system includes a pad of insulating material disposed between two linear arrays of electrodes to form a matrix of capacitive nodes. A capacitance related output signal that is obtained from a node of interest is used as a... | 05/09/1989 |
| 4813428 | Device for detecting breathing A breathing detection air bag is disclosed, which includes an air bag and a detector. The air bag includes a sponge body capable of being expanded and contracted with contraction and expansion of a pectoral or abdominal part of a person, a sponge cover en... | 03/21/1989 |
| 4757825 | Cardio-pulmonary activity monitor A method and apparatus for providing an indication of a cardiopulmonary activity of a person using noninvasive monitoring means and for detecting motion in the area of the apparatus includes an electrostatic charge detector for providing an output signal ... | 07/19/1988 |
| 4545384 | Nuclear magnetic resonance diagnostic apparatus Nuclear magnetic resonance diagnostic apparatus which forms an image of a slice of an object, including an apparatus for detecting NMR signals induced from an object with a condenser and a resonance circuit being provided with a receiving coil which surro... | 10/08/1985 |
| 4474185 | Body movement detector A capacitance type motion detector adapted to monitor an infant or a person in bed to provide an alarm for apnea episodes. A conductive grid array is provided on a plastic film or the like and disposed adjacent the person to be monitored. A 50 kHz oscilla... | 10/02/1984 |
| 4433693 | Method and assembly for monitoring respiration and detecting apnea A method and assembly for monitoring respiration and detecting apnea. The assembly includes an oscillator for generating an electromagnetic field having an output frequency in the radio frequency range and a high Q passively tuned LC circuit which has a r... | 02/28/1984 |
| 4381788 | Method and apparatus for detecting apnea An apnea monitor having a capacitance type transducer pad providing a signal indicative of respiration. The resilient dielectric material between the capacitor plates is formed in two layers with the upper layer having a lesser spring constant to make the... | 05/03/1983 |
| 4324259 | Body function detection and medical instruments therefor It is proposed that respiration in neonates, and respiration and contractions in woman in advanced pregnancy and labour, be detected and measured by direct reference to change of curvature of the abdominal wall during expansion and contraction thereof. An... | 04/13/1982 |
| 4320766 | Apparatus in medicine for the monitoring and or recording of the body movements of a person on a bed, for instance of a patient A capacitive motion sensor placed under a mattress or the like for monitoring the movements of a person. The sensor uses an active layer consisting of two courses of dielectric material placed in contact with one another. Movements of a person on top of t... | 03/23/1982 |
| 4307728 | Portable device for measuring heartbeat rate with compensation for extraneous signals A device mounted on and coupled to the body of the wearer for measuring and visually displaying the pulse rate or other body functions. A primary sensor is positioned on the skin at a position to sense arterial pressure variations and generate a pulse sig... | 12/29/1981 |
| 4279257 | Electromagnetic field responder for respiration monitoring The total disclosure is of a method and assembly for monitoring respiration and detecting apnea. The assembly includes an oscillator for generating an electromagnetic field having an output frequency in the radio frequency range and a high Q passively tun... | 07/21/1981 |
| 4033332 | Activity and respiration monitor A contactless activity and respiration monitor is described which includes a resilient, capacitive pad, which may be a mattress, or a pad used with a mattress, having a capacitor therein responsive to the activity or respiration of a body lying on it. Ele... | 07/05/1977 |
