Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1997-12-15
2000-08-15
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
A61N 136
Patent
active
061049557
ABSTRACT:
A method and apparatus for providing electrical stimulation of the gastrointestinal tract. The apparatus features an implantable pulse generator which may be coupled to the gastric system through one or more medical electrical leads. In the preferred embodiment the leads couple to the circular layer of the stomach. The pulse generator preferably features sensors for sensing gastric electrical activity, and in particular, whether peristaltic contractions as occurring. One embodiment particularly solves the problem of accurately detecting gastric arrhythmias by periodically reverting into a sensed intrinsic gastric rhythm mode. In this mode the output of electrical stimulation is adjusted to only occur at an exceedingly slow rate. This slow rate of stimulation thus permits the gastrointestinal tissues to undergo an intrinsic depolarization so that the underlying intrinsic slow wave rate may be detected.
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Acc
Jard Michael J.
Kamm William E.
Medtronic Inc.
Patton Harold
Woods Thomas F.
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