Implantable monitoring probe
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Abstract
Disclosed is an ambulatory system for monitoring one or more physiological parameters in a body lumen, such as the esophagus. The system includes an implantable probe having a sensor for the physiological parameter and a transmitter for transmitting data to an external receiver. The probe may be used for monitoring any of various physiological parameters, including pH, temperature, and pressure, within the esophagus or other body lumens. Methods and deployment catheters are also disclosed.
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Citations
67 Claims
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1-9. -9. (Canceled)
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10. A monitoring device for monitoring at least one physiological parameter at an attachment site in a body, comprising:
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a housing, having a tissue attachment surface;
a securing structure which is movable from a retracted position to allow the tissue attachment surface to be brought into contact with tissue at a preselected attachment site, and an extended position in which it extends through tissue in contact with the attachment surface; and
at least one physiological parameter detector carried by the housing. - View Dependent Claims (11, 12, 13, 14, 15, 16, 55, 56, 57, 58, 59, 60, 61, 62, 63)
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17-54. -54. (Canceled)
- 65. A monitoring device as in claim 14, wherein the pH detector comprises one of an ion sensitive field effect transistor (ISFET) and an antimony electrode.
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65-1. A monitoring device for monitoring at least one physiological parameter at an attachment site in a body, comprising:
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a housing, having a tissue attachment surface;
a securing structure;
a concavity on the housing such that the tissue attachment surface is on a surface of the concavity;
a lumen in communication with the concavity, for connection to a vacuum to draw tissue into the concavity to engage the securing structure; and
at least one physiological parameter detector carried by the housing.
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Specification