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Class 600/528 - Detecting heart sound


Subclass of Class 600 - Surgery
Definition: Subject matter for detecting vibrations emanating from the
No. of patents: 344
Last issue date: 05/08/2012


                9  
NumberTitleIssue Date
4401125Stethoscope securing pad
A pad for securing the head of a stethoscope to a patient's skin comprising, a generally annular sheet of flexible material larger than the head and having an outer edge, an inner edge defining an opening smaller than the head of the stethoscope, a slot e...
08/30/1983
4383534Vital signs monitoring apparatus
An endotracheal tube has detection devices including a temperature detector, ECG detector and the heart sounds and breath sounds detector positioned proximate the interior end of the tube. A chassis is postioned exterior the patient within audio and visua...
05/17/1983
4378022Energy-frequency-time heart sound analysis
A method for determining the operability status of heart valves IN VIVO. Accoustical data emanating from a heart valve to be analyzed is gathered. The data are divided into time slices, and the power, energy, and frequency relations for each time slice ar...
03/29/1983
4377727Stethoscope having means for measuring pulse frequency
An improved stethoscope having means for measuring the frequency of a series of pulses, such as human heart pulses, is disclosed, in the use of which such pulses are detected simultaneously with detection of a series of timed detectable reference impulses...
03/22/1983
4369794Probe with electrocardiographic monitoring
A tubular disposable probe, having a central lumen having a plurality of conductive pathways extending longitudinally of the probe from the proximal end to the distal end, and a reusable connector are provided. The reusable connector is formed of a resili...
01/25/1983
4362164Electronic pick-up device for transducing electrical energy and sound energy of the heart
A stethoscope transducer applicable as a conventional audio transducer and as a phonocardiogram transducer has a body which on one side mounts an electrode carrying chest bell and which on an opposite side mounts a conventional chest bell. A microphone an...
12/07/1982
4362166Disposable medical probe and connector
A disposable flexible medical device or probe and a reusable connector are provided. The disposable probe comprises a flexible tube of resilient plastic having a central major lumen and two or more minor lumens formed in the walls of the tube. Flexible el...
12/07/1982
4349031Esophageal probe with disposable cover
An esophageal probe comprising, a disposable housing comprising an elongated sleeve defining a cavity, and a proximal connector. The probe has a permanent monitoring device comprising an elongated stem receivable in the sleeve cavity with a distal end of ...
09/14/1982
4331156Esophageal cardiac pulse monitoring apparatus and method
An esophageal cardiac pulse probe includes a lumen for insertion into the esophagus, the end of the lumen preferably being closed by a flexible diaphragm. Pressure variations imparted to the fluid within the lumen in response to sounds from the heart and ...
05/25/1982
4304240Esophageal probe with dual sound detection
An esophageal probe comprising, an elongated hollow sleeve defining a cavity. The probe has a first vibration detection device at a first distal location in the sleeve cavity, and a second vibration detection device in the sleeve cavity, with the second d...
12/08/1981
4304239Esophageal probe with balloon electrode
An esophageal probe comprising, a shaft assembly having an elongated shaft with an inflation lumen extending along the shaft, and an inflatable balloon on the shaft communicating with the inflation lumen. The probe has a pair of conductive electrodes on a...
12/08/1981
4301809Esophageal monitoring apparatus
This application discloses an esophageal stethoscope for audibly and electronically monitoring a patient's cardiovascular functions. The stethoscope comprises a flexible tube which is dimensioned to be disposed in the patient's esophagus. Adjacent one end...
11/24/1981
4295471Non-invasive vascular waveform transducer and apparatus
Apparatus is disclosed herein for non-invasively monitoring arterial waveforms, such as the waveform produced by blood flow through the brachial artery in a human subject. The invention includes a unique transducer which senses both a pressure wave propor...
10/20/1981
4254302Electronic stethoscope
A portable, lightweight, self-contained stethoscope includes: (a) an enclosure containing a speaker, and having an acoustic wave outlet connectible to stethoscope flexible tubing, (b) an upright housing having upper and lower portions, and an intermediate port...
03/03/1981
4220160Method and apparatus for discrimination and detection of heart sounds
A method and apparatus for transposition of heart sounds to a range easily detectable by the human ear and suitable for transmission, for discrimination of low intensity or brief sounds, and for display of the heart sounds on conventional recording device...
09/02/1980
4214589Method and apparatus for blood pressure measurement including a true Korotkov sound detector
Indirect blood pressure measurement for a systolic or diastolic blood pressure is accomplished by making use of a true Korotkov sound determination. When three or four Korotkov sound signals are found in four successive heart pulses of a body, each of the...
07/29/1980
4176660Disposable esophageal and tracheal multi-probes
A disposable esophageal probe incorporating the capability to detect ECG waveforms, heart sounds and to measure body core temperature is described. The probe incorporates a plastic tube with electrically conductive pathways embedded in its side walls ther...
12/04/1979
4170717Electronic stethoscope
A portable, lightweight, self-contained stethoscope includes: (a) an enclosure containing a speaker, and having an acoustic wave outlet port connectible to stethoscope flexible tubing, (b) a housing, (c) a transducer carried by the housing, the transducer including...
10/09/1979
4129125Patient monitoring system
A portable system for monitoring the vital signs of a patient such as ECG, temperature, respiration, heart beat etc. consisting of a substantially flat housing having either exposed electrodes or temperature sensors for contact with the patient's skin. Th...
12/12/1978
4094308Method and system for rapid non-invasive determination of the systolic time intervals
A non-invasive method and means for determining beat-by-beat assessments of a patient's cardiac performance by measuring the "pre-ejection phase" (PEP) and the "left ventricular ejection time" (LVET), the aforementioned phrases also being known as the "sy...
06/13/1978
3989895Stethoscope transducer
An improved stethoscope having a transducer attached to it for converting mechanically produced heart sound transmissions into an electrical signal without interrupting the mechanically produced sound which is transmitted simultaneously as an acoustical w...
11/02/1976
3985121Heart detective
The heart detective described is a portable device for detecting and indicating when heart sounds emanating directly from a physical area under auscultation are representative of a heart disorder. The device detects the audio sounds emanating from the cla...
10/12/1976
3951136Multiple purpose esophageal probe
A single esophageal probe incorporating multiple different function components whereby a single multi-purpose device is provided. A temperature sensor projects through and beyond the open inner end of the probe for substantially complete exposure, enclose...
04/20/1976
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