Ingestible device
2 Assignments
0 Petitions
Accused Products
Abstract
An ingestible device for delivering a substance to a chosen location in the GI tract of a mammal includes a receiver of electromagnetic radiation for powering an openable part of the device to an opened position for dispensing of the substance. The receiver includes a coiled wire that couples the energy field, the wire having an air or ferrite core. In a further embodiment the invention includes an apparatus for generating the electromagnetic radiation, the apparatus including one or more pairs of field coils supported in a housing. The device optionally includes a latch defined by a heating resistor and a fusible restraint. The device may also include a flexible member that may serve one or both the functions of activating a transmitter circuit to indicate dispensing of the substance; and restraining of a piston used for expelling the substance.
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Citations
98 Claims
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1-80. -80. (canceled)
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81. A method of operating an ingestible device for delivering a substance to a chosen or identifiable location in the alimentary canal of a human or animal, comprising causing a mammal to ingest an ingestible device comprising
an openable reservoir, for the substance, that is sealable against leakage of the substance; -
an actuator mechanism for opening the reservoir;
an energy source, operatively connected for powering the actuator mechanism, comprising an extendable spring that exerts a force of between 2N and 20N over a distance of extension of 2 mm to 20 mm; and
a releasable latch for controllably switching the application of power to the actuator from the energy source. - View Dependent Claims (82, 83, 84, 85, 95)
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86. An ingestible device for delivering a substance to a chosen or identifiable location in the alimentary canal of a human or animal, comprising
an openable reservoir for the substance, that is sealable against leakage of the substance; -
an actuator mechanism for opening the reservoir;
an energy source, operatively connected for powering the actuator mechanism comprising an extendable spring exerting a force over a distance of extension of between 2N and 20N over a distance of 2 mm to 20 mm;
a releasable lath for controllably switching the application of power to the actuator from the energy source; and
a receiver of electromagnetic radiation, for operating the latch when the receiver detects radiation within a predetermined characteristic range. - View Dependent Claims (87, 88, 89, 90, 91, 92, 93, 94, 96, 97, 98)
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Specification