Vessel occlusive apparatus and method
First Claim
Patent Images
1. An occlusive apparatus for reversibly occluding a fluid conveying vessel in a body, comprising:
- an elongated member having a proximal portion and a distal portion, the distal portion of the elongated member being adapted for at least partially encircling the vessel; and
a tensioning mechanism including a spring structure operatively connected to the proximal portion of said elongated member, the tensioning mechanism being arranged and configured for applying a tensioning force to the proximal portion of the elongated member, wherein when the tensioning force is applied to the proximal portion of the elongated member while the distal portion of the elongated member is at least partially encircling the vessel, the distal portion of the elongated member is caused to apply an occluding pressure to the vessel.
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Abstract
The present invention relates to a vessel occlusive apparatus for reversibly occluding a fluid conveying vessel in a human and/or animal. In one embodiment the vessel occlusive apparatus comprises an elongated member at least partially encircling the vessel, and means connected to the elongated member for applying tension to the elongated whereby pressure is applied to the vessel to prevent fluid from passing therethrough.
239 Citations
23 Claims
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1. An occlusive apparatus for reversibly occluding a fluid conveying vessel in a body, comprising:
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an elongated member having a proximal portion and a distal portion, the distal portion of the elongated member being adapted for at least partially encircling the vessel; and a tensioning mechanism including a spring structure operatively connected to the proximal portion of said elongated member, the tensioning mechanism being arranged and configured for applying a tensioning force to the proximal portion of the elongated member, wherein when the tensioning force is applied to the proximal portion of the elongated member while the distal portion of the elongated member is at least partially encircling the vessel, the distal portion of the elongated member is caused to apply an occluding pressure to the vessel. - View Dependent Claims (3, 5, 6, 7, 8, 9, 10, 11)
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2. An apparatus comprising:
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an elongated member adapted for at least partially encircling an urethra; a tensioning mechanism for selectively applying tension to the elongated member; abdominal pressure sensor adapted for sensing abdominal pressure; and electro-mechanical tension controller interfacing with the abdominal pressure sensor and the tensioning mechanism, the tension controller being arranged and configured for controlling the tension applied to the elongated member by the tensioning mechanism in response to the abdominal pressure sensed by the abdominal pressure sensor. - View Dependent Claims (4)
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12. A method for controlling fluid flow in a fluid conveying body vessel, comprising the steps of:
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encircling at least a portion of the vessel with a distal portion of an elongated member; and applying a controlled tensioning force to a proximal portion of the elongated member such that the distal portion of the elongated member is caused to exert a controlled occluding pressure on the vessel to occlude the vessel. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A method for controlling incontinence, comprising the steps of:
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encircling at least a portion of the an urethra with a distal portion of an elongated member; applying a tensioning force to a proximal portion of the elongated member so as to occlude the urethra; and sensing the intra-abdominal pressure and adjusting the tension of the elongated member based on the pressure sensed.
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20. An occlusive apparatus for reversibly occluding a fluid conveying vessel in a body, comprising:
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an elongated member having a proximal portion and a distal portion, the distal portion of the elongated member being arranged to form a loop structure adapted for at least partially encircling the vessel; and a tensioning mechanism constructed and arranged to apply a controlled tensioning force to the proximal portion of the elongated member, such that the distal portion of the elongated member is adapted for applying a predetermined occluding pressure to the vessel, wherein the loop structure formed by the distal portion of the elongated member automatically expands or contracts to maintain the predetermined occluding pressure. - View Dependent Claims (21, 22, 23)
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Specification