Wireless breach detection

a technology of wires and wires, applied in the field of medical devices and methods, can solve problems such as breakage, disruption, or change in the functioning of circuits, resistance, capacitance or impedance across conductors,

Inactive Publication Date: 2006-05-25
FULFILLIUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0026] The transmitter can be a simple wireless signal generator triggered by an electric current or preferably a transponder using the well-established RFID technology, i.e., produces a wireless signal when triggered by an interrogating signal. The electric charge generated or the electric current enabled by the probe in contact with the body fluids or device contents changes the logic state thereby enabling the transmitter to emit or causes it to emit a wireless signal. Typically, the transponder is powered by the interrogating radio frequency signal so that no power source of its own is required. Alternatively, the transmitter could be powered by a micro battery or by the

Problems solved by technology

These and other devices may contain potentially bioincompatible materials, such as batteries, circuitry, synthetic chemicals, and the like.
Since the breach could be small and intermittent as it starts, it can be difficult to detect as a flow but the cumulative gain or loss of the electrolytes from the contents

Method used

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Examples

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Embodiment Construction

[0040] Referring now to FIG. 1, the gastric balloon 100 includes two electric probes. Probe 130 is on the external surface in contact with the surrounding tissues, body fluids, and contents of the stomach. Probes 130 and 110 can have any of a variety of shapes or configurations, including circular plates, lattices, films, and the like, cover all or a portion of the balloon or other device. Probe 110, shown here in a lattice configuration, provides the second probe incorporated in the wall of the balloon. The probe material could be any metal, polymer, fiber, or combination thereof, with or without any coating that can generate an electrical charge or enable flow of electric current when in contact with the stomach contents. The probes are connected electronically to the wireless transmitter 140, but are separated from each other by at least one layer of non-conductive material in the balloon wall. The transmitter can be a simple wireless signal generator triggered by an electric cur...

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Abstract

Methods and systems for detecting wall breach in inflatable prostheses rely on intrusion of a body fluid or inflation medium to electrically alter a signaling circuit. In one embodiment, an open portion of a circuit is closed to enable or modify a transmitted signal. In another embodiment, electrical current is generated to power an electrical transmission.

Description

CROSS-REFERENCES TO RELATED APPLICATIONS [0001] The present application is a continuation-in-part of application Ser. No. 11 / 170,274 (Attorney Docket No. 022209-000400US), filed on Jun. 28, 2005, which was a continuation-in-part of application Ser. No. 11 / 122,315 (Attorney Docket No. 022209-000230US), filed on May 3, 2005, and claims the benefit under 35 USC § 119(e) of prior provisional application No. 60 / 629,800 (Attorney Docket No. 02209-000210US), filed on Nov. 19, 2004, the full disclosures of which are incorporated herein by reference.BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates generally to medical apparatus and methods. More particularly, the present invention relates to implantable devices and methods and systems for detecting their malfunction or failure or impending malfunction or failure. [0004] All implants of devices, especially those indicated for long term use, in the human body are highly regulated and must meet c...

Claims

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Application Information

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IPC IPC(8): A61B6/12A61F2/04
CPCA61F2/12A61F2/26A61F5/003A61F2250/0002A61N1/08A61N1/3706A61F5/0036A61F5/0046A61F2210/0061A61F2250/0003A61F2250/008A61B5/076A61B5/686A61B5/7282A61B5/746G08B21/18
Inventor CHEN, RICHARD D.Y.
Owner FULFILLIUM
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