05702427 is referenced by 145 patents and cites 33 patents.

A capture verification system for a cardiac pacemaker comprising an implantable pulse generator (IPG) and one or more pacing leads having a proximal end coupled to the IPG and a distal end in contact with a patient's heart. The capture verification system employs a pressure wave sensor mounted in the IPG in relation to the proximal end of the pacing lead for sensing pressure waves transmitted from the distal end of the pacing lead to the proximal end thereof. The pressure waves include characteristic sounds of heart contraction and/or distal end lead motion caused by the contraction motion of the patient's heart that are transmitted along the lead body to the active sensor. A further isolated, reference sensor is also incorporated into the IPG in a similar fashion. Signal processors are coupled to the pressure wave and reference sensors for nulling out common mode noise.

Title
Verification of capture using pressure waves transmitted through a pacing lead
Application Number
8/623443
Publication Number
5702427
Application Date
March 28, 1996
Publication Date
December 30, 1997
Inventor
John D Wahlstrand
Shoreview
MN, US
Lawrence C McClure
Maple Grove
MN, US
Robert M Ecker
Anoka
MN, US
Agent
Michael B Atlass
Harold R Patton
Assignee
Medtronic
MN, US
IPC
A61B 5/03
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