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Methods and apparatus for monitoring heart impulses

A heart and sports technology, applied in the direction of application, cardiac catheterization, electrocardiography, etc., can solve problems such as difficult to calibrate the limit system, wrong results, etc.

Inactive Publication Date: 2008-09-24
CANFORM MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Difficulty in properly calibrating the restriction system; and
[0018] · The system may give erroneous results if part of the system comes into contact with obstacles such as clothing, bolsters, beards, fat neck tissue or the chest

Method used

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  • Methods and apparatus for monitoring heart impulses
  • Methods and apparatus for monitoring heart impulses
  • Methods and apparatus for monitoring heart impulses

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Embodiment Construction

[0049] In the following description, specific details are set forth in order to enable those skilled in the art to more fully understand the present invention. However, well known elements may not have been shown or described in detail to avoid unnecessarily obscuring the disclosure. Accordingly, the description and drawings of the present application should be regarded as illustrative and not in a restrictive sense.

[0050] Measurement of the heart's motion, such as its acceleration, provides valuable insight into the condition of the heart. Cardiac motion is caused by forces generated by changes in cardiac mass-momentum and ejection momentum during the various phases of the cardiac cycle. Cardiac abnormalities can cause changes in the form and magnitude of these forces, resulting in diagnostic values.

[0051] The heart produces strong forces and weak forces, both of which are diagnostic. The methods and devices described herein are capable of measuring the systolic and ...

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Abstract

Methods and apparatus for monitoring the heart motion of a subject employ a probe which can be coupled to a portion of the anatomy of the subject. The probe may couple to the subject's aortic arch or thyroid cartilage, for example. The probe is biased into contact with the subject. The probe detects movements caused by the heart motion. The apparatus may display accelerations and displacements caused by the heart motion. Waveforms from multiple anatomic sites may be acquired, normalized in time and amplitude, and combined to produce resultant waveforms. Combining the waveforms may involve addition or subtraction.

Description

[0001] Cross References to Related Applications [0002] This application claims priority based on US Patent Application No. 11 / 207,704, filed August 22, 2005 and US Patent Application No. 11 / 380,409, filed April 26, 2006. technical field [0003] The present invention relates to methods and devices for non-invasively monitoring cardiac motion. The methods and devices are useful for the non-invasive monitoring of cardiac function, particularly the human heart, but not only the human heart. Background technique [0004] Heart disease is a leading cause of death. There is therefore a need for methods and devices that enable early detection of cardiac problems, and methods and devices that enable useful information for diagnosing cardiac disease to be obtained. [0005] Existing methods for non-invasive monitoring of cardiac function include: [0006] ●Mechanical methods, eg, beat recording of the carotid artery in the neck or apical cardiography. [0007] • Electrical tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/02A61B5/021A61B5/11A61B5/0402
CPCA61B5/6835A61B5/08A61B5/0205A61B5/6822A61B5/6831A61B7/04A61B5/0404A61B2562/0219A61B5/1114A61B5/1126A61B5/332
Inventor 约翰·科布兰斯基
Owner CANFORM MEDICAL
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