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5269312 |
Pressure pulse wave transmitting sheet used with pressure pulse wave sensor
A pressure pulse wave transmitting sheet for being interposed between a skin surface of a living subject such as a patient and a pressure pulse wave sensor set on the skin surface in pressed...
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5261414 |
Blood pressure monitor system
A blood pressure monitor system for monitoring blood pressure of a living subject, including a pulse wave detecting device detecting a first pulse wave produced from an artery of the subject via a...
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5243992 |
Pulse rate sensor system
A pulse rate sensor system is packaged in a wristwatch sized assembly and is worn by the user to provide an accurate determination of pulse rate. A tonometer sensor is provided to detect heartbeat...
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5240007 |
Apparatus and method for moving a tissue stress sensor for applanating an artery
An artery applanation actuator for use in a system for noninvasively determining the intra-arterial blood pressure of a user incorporates a fluid actuator to effect movement of a sensor. The...
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5238000 |
Pulse wave detecting apparatus
An apparatus for detecting a pressure pulse wave produced from an artery of a living subject, including a first press member having a first press surface, a pressure sensing device supported by the...
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5228449 |
System and method for detecting out-of-hospital cardiac emergencies and summoning emergency assistance
A monitoring system uses infrared photoplethysmography to monitor the pulse of a person wearing a wrist unit, and the wrist unit sends RF signals which describe his heart condition to a base unit....
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5197489 |
Activity monitoring apparatus with configurable filters
An activity monitor adapted to be worn on the non-dominant wrist of a subject includes a bimorphous beam motion sensor. The output signal of the sensor is amplified in an amplifier circuit having a...
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5195522 |
Tonometry sensor calibration apparatus
A calibration apparatus for use in calibrating a tissue stress sensor used in a blood pressure monitoring system. The calibration apparatus includes a calibration head which is adapted to be...
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5183050 |
Pulse wave sensor
A pulse wave sensor for detecting a pressure pulse wave produced from an arterial vessel of a living subject in synchronism with heartbeat of the subject, the sensor having a press surface adapted...
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5101829 |
Semiconductor pressure pulse wave sensor
A semiconductor sensor for detecting a pressure pulse wave produced from an arterial vessel of a subject, including a semiconductor substrate including a thin portion obtained by locally forming a...
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5099854 |
Digital wristwatch with the function of a sphygmometer
There is disclosed a digital wristwatch with the function of a sphygmometer comprising a sphygmus sensor for sensing the sphygmus numbers of a human body to convert them into electrical pulses,...
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5025792 |
Continuous cutaneous blood pressure measuring apparatus and method
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...
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4993422 |
Apparatus for measuring blood pressure
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...
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4947855 |
Blood pressure measuring apparatus
A blood pressure measuring apparatus having a housing detachably set on a body surface of a subject, a pressure sensor accommodated in the housing such that the pressure sensor is opposed to the...
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4938228 |
Wrist worn heart rate monitor
A wrist worn heart rate monitor (100) senses a noisy biosignal with one sensor (104A) in contact with the user's finger and another sensor (104B) in contact with the user's wrist. The sensed signal...
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4901733 |
Pulse wave detecting apparatus
A pulse wave detecting apparatus having a pulse wave sensor for detecting pulse wave produced from an arterial vessel of a subject, the pulse wave sensor being movable along a cross line crossing...
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4867170 |
Measuring apparatus for blood pressure
A measuring apparatus for blood pressure comprises a blood pressure measuring portion and a holder pipe. The blood pressure measuring portion comprises a device for searching a location of an...
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4807639 |
Pulse detection apparatus
A pulse detection apparatus includes a memory for storing the normal pulse count of a user. After taking some exercise such as jogging, the percentage of the pulse count, detected by a pulse...
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4802488 |
Blood pressure monitoring method and apparatus
Intraarterial blood pressure is measured noninvasively by an electromechanical transducer (22) that includes an array of transducer elements (22-1 through 22-19). The transducer extends across an...
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4784152 |
Pulse wave detecting apparatus
A pulse wave detecting apparatus for detecting a blood pressure pulse wave of an arterial vessel of a subject, based on an oscillatory motion of at least one contact element which is adapted to be...
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4723554 |
Skin pallor and blush monitor
A new type of infrared reflectance device is disclosed to provide a quantitative evaluation of skin pallor. The instrument is designed to produce a measurement proportional to the percentage of...
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4469107 |
Automatic blood pressure measurement device with threshold compensation circuitry and method for performing the same
A blood pressure measurement apparatus comprises electronic circuitry which converts an output from a pressure transducer into a digital display for both the systolic and diastolic blood pressure...
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4450843 |
Miniature biofeedback instrument
A compact, miniature instrument for providing biofeedback information of interest to a user. The instrument is comprised of a wrist-watch size unit, which includes a temperature sensor for sensing...
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4425921 |
Apparatus for checking pulse and heart rates
A small portable-type apparatus for checking pulse or heart rate of a person engaged in exercise. Therefore, the apparatus according to the present invention can be used as a pulsimeter or a...
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4409983 |
Pulse measuring device
A portable, body-worn pulsemeter which displays the wearer's pulse rate by processing signals corresponding to the pulse beat of the wearer. This device has a piezo-electric transducer adapted to...
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4406289 |
Device for the indirect, non-invasive and continuous measurement of blood pressure
A device for the indirect, non-invasive and continuous measurement of blood pressure in a finger by using a photo-electric plethysmograph having a pressure cuff to be placed around the finger and...
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4406290 |
Wrist-type pulse monitor
A wrist-type pulse monitor for providing a digital readout of the rate of a heartbeat comprising a sensor adapted to detect a heartbeat in a body region where a heartbeat pulse normally occurs, a...
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4331154 |
Blood pressure and heart rate measuring watch
A digital watch is employed to measure systolic and diastolic blood pressure as well as heart rate. The band of the watch supports a piezoelectric transducer that is held in contact with the wrist...
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4307727 |
Wrist band transducer support and tensioning apparatus
A digital watch is utilized to measure blood pressure or heart rate by means of a pressure transducer that contacts the wrist adjacent the radial artery of the wrist and generates electrical pulses...
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4305401 |
Digital watch/infrared plethysmograph having a quick release remote pulse sensor having a finger cuff
A digital watch has a face mounted local pulse sensor unit which is coupled to infrared plethysmograph electronics within the watch. The local pulse sensor includes transmitter and receiver...
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4295472 |
Heart rate monitor
A wrist watch size heart rate monitor coupled with a flexible metal expansion band detects a electrocardiac signal on one arm and applies that detected signal to electronic circuitry within the...
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4280506 |
Digital watch/infrared plethysmograph having a removable pulse sensor unit for use with a finger cuff extension
A digital watch having a face mounted detachable pulse sensor unit coupled to infrared plethysmograph electronics within the watch. The pulse sensor unit is detachable from a receptacle on the...
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4258719 |
Heart rate measurement system
A pulsed IR reflectance plethysmograph for heart rate measurement and display in a digital watch or as a medical instrument using, for example, a pulsed LED light emitting diode for transmitting...
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4256117 |
Cardiac monitor with stop watch means
A digital stop watch is provided in combination with a cardiac monitor wherein both the stop watch means and the cardiac monitor utilize a common display means and wherein the combination is...
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4252128 |
Visual pulse indicator
A Visual Pulse Indicator, which may be placed directly over any area of the human body where an artery is near the surface of the skin, and includes the use of a transparent plate member, a...
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4240444 |
Apparatus for sensing coughs
A device for sensing the occurrence and magnitude of coughs. The cough sensor is contained within an annular housing having internally mounted sensing means resiliently biased to axially extend...
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4239048 |
Cardiotachometer using autocorrelation techniques
A cardiotachometer for indicating heart rate of a user in beats per minute. The cardiotachometer comprises a sensor, placed on the body of the user, for producing an electrical signal indicative of...
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4230127 |
Cardiac monitoring apparatus
There is disclosed herein a wristwatch size cardiac monitoring apparatus which is worn on the wrist of one arm. A conductive material housing acts as one electrode when held firmly in contact with...
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4224948 |
Wrist borne pulse meter/chronometer
A combined watch, elapsed time counter and pulse rate meter which is totally portable and worn as an ordinary wristwatch. The timer and pulse rate meter employ the precise timing elements such as a...
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4202350 |
Device for measuring pulse, breathing and running rate for joggers
A wrist-mounted indicating device coupled to various parts of the body of the wearer for measuring and visually indicating the pulse rate, the breathing rate and the jogging rate during a running...
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4198988 |
Pulse transducer with artifact signal attenuator
In combination with a pulse transducer characterized by a source of light and a detector for light reflected from blood vessels of a living body, to provide heart signal consisting of a modulated...
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4185621 |
Body parameter display incorporating a battery charger
There is disclosed a body parameter display device incorporated in a digital wrist watch for alternatively displaying time and a value representative of the body parameter. A pressure sensor...
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4181134 |
Cardiotachometer
A cardiotachometer includes features which reliably filter out interfering background signals and provide for relatively low power consumption. A differential amplifier is connected to a three...
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4163447 |
Heartbeat rate monitor
A heartbeat rate monitor has a light source, powered by a rechargeable battery, for transilluminating skin tissue. A semiconductor detector which produces an output signal in dependence on light...
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4159416 |
Electronic calorie counter
A calorie counter which is adapted to be constructed in the shape of a wristwatch and which includes a pulse detector for detecting the heart pulses. The calorie counter circuit consists of seven...
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4129124 |
Pulse-rate indicator
A pulse-rate indicator having electro-optical means for converting pulse beats into electric measuring pulses, means for generating a number of timing pulses derived from measuring pulses, means...
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4120296 |
Pulsimeter
A pulsimeter for indicating the average heart beat rate by counting the number of beats occurring during a predetermined period of time, comprising a pulse sensor adapted for flat application...
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4120294 |
Electrode system for acquiring electrical signals from the heart
A wristband having inner and outer sensing electrodes capable of acquiring signals from bipolar limb leads and being electrically associated with electronics capable of processing such signals in a...
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4096854 |
Cardiac monitor with rate limit means
A cardiac monitor comprises a transducer worn on the body and adapted to produce an electrical pulse in response to each heart beat of the wearer. The transducer output is fed into a rate logic...
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4091803 |
Transducers
A transducer for optically detecting a cyclic phenomenon of variable frequency and supplying an electric signal corresponding to the frequency, comprises a light source for illuminating the site of...
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