Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Reexamination Certificate
2005-01-04
2005-01-04
Jastrzab, Jeffrey R. (Department: 3762)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
C600S520000
Reexamination Certificate
active
06839593
ABSTRACT:
A system and method for automatically adjusting the operating parameters of a rate-adaptive cardiac pacemaker in which maximum exertion levels attained by the patient are measured at periodic intervals and stored. The stored maximum exertion levels may then be used to update a long-term maximal exertion level, and the slope of the rate-response curve is adjusted to map the updated long-term maximal exertion level to a maximum allowable pacing rate. In accordance with the invention, the rate response curve is defined such that an exertion level corresponding to the patient's maximum exercise capacity would be mapped to a physiologically favorable maximum rate that is independent from a specified maximum sensor indicated rate.
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Soucie, et al., “Correlation of the Heart Rate-Minute Ventilation Relationship with Clinical Data: Relevance to Rate-Adaptive Pacing” PACE, Part 1, vol. 20, Aug. 1997, 1913-1918.*
Soucie, Luc P., et al., “Correlation of the Heart Rate-Minute Ventilation Relationship with Clinical Date: Relevance to Rate-Adaptive Pacing”,PACE, Part 1, vol. 20, Aug. 1997, 1913-1918.
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Hopper Donald
Jones Bruce R.
Lang Douglas J.
Sun Weimin
Cardiac Pacemakers Inc.
Jastrzab Jeffrey R.
Oropeza Frances P.
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