Surgery – Truss – Pad
Patent
1989-12-29
1991-08-20
Jaworski, Francis
Surgery
Truss
Pad
128637, A61N 100
Patent
active
050405330
ABSTRACT:
An implantable container for housing a cardiovascular treatment device is disclosed with a window positioned in an external wall thereof for sensing a physiological parameter for the treatment device. The window is formed of an insulating material such as glass, a semiconductor material, or a membrane for sensing any one of a plurality of various physiological parameters. In one embodiment, the window material is glass on which a pair of electroptic devices are positioned on the interior surface thereof for emitting and receiving optical signals for sensing the physiological parameter. In another embodiment, the window comprises glass with a plurality of electrodes externally positioned thereon for measuring, for example, the electrical properties of the physiological parameter. In yet another embodiment of the window, the window material comprises a semiconductor material having a plurality of layers formed therein to form an ion selective field effect transistor for measuring concentrations of various fluids coming in contact therewith. In another embodiment, the semiconductor material forms a thermistor for sensing thermal properties of the physiological parameter. In yet another embodiment, the window comprises a membrane through which mechanical vibrations or pressures of surrounding tissue or fluids are sensed.
REFERENCES:
patent: 4722342 (1988-02-01), Amundson
patent: 4763655 (1988-08-01), Wirtzfeld et al.
patent: 4846195 (1989-07-01), Alt
patent: 4886064 (1989-12-01), Strandberg
patent: 4896068 (1990-01-01), Nilsson
Godlewski Richard J.
Jaworski Francis
Manuel George
Medical Engineering and Development Institute Incorporated
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