Autonomous intracorporeal capsule with double energy harvesting
First Claim
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1. An intracorporeal medical capsule, comprising:
- a housing defining a chamber, wherein the chamber houses an oscillating seismic mass and an energy harvester that converts movement of the seismic mass relative to the energy harvester into electrical energy;
an anchor for anchoring the housing to a wall of an organ of a patient; and
an elastically deformable element having a first end extending from an exterior surface of the housing and a second end coupled to a base comprising the anchor;
wherein movement of the seismic mass is caused both by movement of the housing induced by movement of the wall of the organ of the patient to which the housing is anchored, and by movement of housing relative to the wall of the organ by way of the elastically deformable element and caused by the presence of blood flow around the capsule body.
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Abstract
A intracorporeal medical capsule is shown and described. The capsule includes an elastically deformable base having an anchor at one end and coupled to a capsule body at the opposite end. An energy harvesting element is elastically coupled to a seismic mass within the capsule body. The elastically deformable base increases energy harvested at the energy harvesting element due to elastic movement of the capsule body in the presence of blood flow around the capsule body.
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Citations
20 Claims
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1. An intracorporeal medical capsule, comprising:
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a housing defining a chamber, wherein the chamber houses an oscillating seismic mass and an energy harvester that converts movement of the seismic mass relative to the energy harvester into electrical energy; an anchor for anchoring the housing to a wall of an organ of a patient; and an elastically deformable element having a first end extending from an exterior surface of the housing and a second end coupled to a base comprising the anchor; wherein movement of the seismic mass is caused both by movement of the housing induced by movement of the wall of the organ of the patient to which the housing is anchored, and by movement of housing relative to the wall of the organ by way of the elastically deformable element and caused by the presence of blood flow around the capsule body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An intracorporeal medical capsule, comprising:
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an elastically deformable element having an anchor at one end and coupled to an exterior surface of a capsule body at the opposite end; and an energy harvesting element elastically coupled to a seismic mass within the capsule body; wherein the elastically deformable element increases energy harvested at the energy harvesting element due to elastic movement of the capsule body in the presence of blood flow around the capsule body. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for harvesting energy in an intracorporeal medical capsule for a heart, comprising:
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anchoring an elastically deformable element to a wall of tissue within the heart, wherein the elastically deformable element extends from an exterior surface of the capsule; receiving mechanical energy via movement of the wall, a seismic mass elastically coupled inside the capsule to an energy harvesting element; receiving mechanical energy via movement of blood in the heart using the elastically deformable element; and utilizing, by the energy harvesting element, the mechanical energy received via the movement of the wall and the mechanical energy received via the movement of blood in the heart.
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Specification