Surgery – Truss – Pad
Patent
1988-03-14
1990-01-02
Cohen, Lee S.
Surgery
Truss
Pad
128786, 29831, A61B 504
Patent
active
048906239
ABSTRACT:
A printed circuit biopotential sensing device is provided which is particularly adapted for endocardial or other deep body applications. The device has a predetermined printed circuit pattern formed on a thin film substrate, the pattern having at least one electrode pad at its distal end, at least one terminal pad at the proximal end, and conductor means selectively interconnecting the electrode pads and terminal pads. The substrate is secured to, and is preferably wrapped around an elongated member which is preferably tube-shaped in a manner such that the electrodes are exposed at the distal end of the member, and the terminal pads at the proximal end of the substrate are utilized in forming a suitable connector from the device. By forming the conductors on only a selected fraction of the width of the substrate and overlapping the portion of the substrate containing the conductors during the helical wrapping process, the substrate insulates and protects the conductors and eliminates the need for a separate protective layer. The device may, for example, be a percutaneous catheter with the electrodes being formed at the distal end thereof, or may be a sensing probe which includes a sensing support member, such as a solid plastic member or a balloon which has the distal end of the substrate containing the electrode pads secured thereto.
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Cook William
Herman Jack
Rowe Donald
Sylvanowicz John
C. R. Bard Inc.
Cohen Lee S.
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