Method and apparatus for monitoring heart rate and abnormal respiration
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United States of America Patent
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Jun 22, 2004
Grant Date -
N/A
app pub date -
Nov 17, 2000
filing date -
Dec 1, 1999
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Abstract
An implantable device having enhanced capabilities for monitoring a patient's heart rate and respiration trends over extended periods of time is disclosed. The information collected by the implantable device may be stored and telemetered to an associated external device such as a device programmer for display and analysis. Heart rates are measured by measuring the time intervals between sensed depolarizations of a chamber of the patient's heart and preceding sensed depolarizations or delivered pacing pulses. Intervals may be measured in the ventricle and/or atrium of the patient's heart. According to another aspect of the invention, an implanted impedance sensor is employed to monitor minute ventilation. The heart rate and minute ventilation data is used to develop long-term trend data used for diagnostic purposes. In one embodiment of the invention, heart interval and minute ventilation measurements are taken only during defined time periods of the night and/or day when the patient is at rest. A sensor such as an activity sensor or metabolic rate sensor may be used to confirm patient inactivity.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- MEDTRONIC, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cho, Yong Kyun | Maple Grove, MN | 30 | 2628 |
Condie, Catherine R | Shoreview, MN | 49 | 4195 |
Davie, Scott | St. Paul, MN | 1 | 222 |
Jensen, Donald N | Roseville, MN | 13 | 2358 |
Ruetz, Linda L | New Brighton, MN | 6 | 434 |
Strobel, Ulla | Zurich, CH | 1 | 222 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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