Apparatus and method for sensor deployment and fixation
First Claim
Patent Images
1. An in vivo implant assembly for deployment within a vessel, the vessel having an inner diameter, comprising:
- an intracorporal device body having a first end and a second opposing end, the intracorporal device body further having a longitudinal axis and a diameter smaller than the inner diameter of the vessel into which the implant assembly is intended to be positioned; and
a means for passively creating an interference fit between the in vivo implant assembly and the inner diameter of the vessel, comprising;
a longitudinal anchor structure, wherein a proximate end portion of the longitudinal anchor structure is positionally fixed relative to a top surface of the intracorporal device, wherein a distal end portion of the longitudinal anchor structure extends distally outwardly from the proximate end portion of the longitudinal anchor structure and a respective end of the intracoporeal device body to form a loop that is positioned in an operative plane that is parallel to the longitudinal axis of the intracorporal device body, wherein the distal-most end of the distal end portion forms a continuously curved tip, wherein at least a portion of the longitudinal anchor structure has a diameter that is at least as large as the inner diameter of the vessel into which the implant assembly is intended to be operatively located, and wherein the intracorporal device is adapted to be permanently fixed relative to the position of the created interference fit within the vessel.
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Abstract
An implant assembly is implanted in vivo within a vascular system in the implant assembly has a diameter greater than a vessel and compliance characteristics such that, upon release, the implant assembly forms an interference fit is between the anchor structure and the vessel wall, thereby preventing further distal movement.
30 Citations
27 Claims
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1. An in vivo implant assembly for deployment within a vessel, the vessel having an inner diameter, comprising:
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an intracorporal device body having a first end and a second opposing end, the intracorporal device body further having a longitudinal axis and a diameter smaller than the inner diameter of the vessel into which the implant assembly is intended to be positioned; and a means for passively creating an interference fit between the in vivo implant assembly and the inner diameter of the vessel, comprising;
a longitudinal anchor structure, wherein a proximate end portion of the longitudinal anchor structure is positionally fixed relative to a top surface of the intracorporal device, wherein a distal end portion of the longitudinal anchor structure extends distally outwardly from the proximate end portion of the longitudinal anchor structure and a respective end of the intracoporeal device body to form a loop that is positioned in an operative plane that is parallel to the longitudinal axis of the intracorporal device body, wherein the distal-most end of the distal end portion forms a continuously curved tip, wherein at least a portion of the longitudinal anchor structure has a diameter that is at least as large as the inner diameter of the vessel into which the implant assembly is intended to be operatively located, and wherein the intracorporal device is adapted to be permanently fixed relative to the position of the created interference fit within the vessel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An in vivo implant assembly for deployment within a vessel, the vessel having an inner diameter, comprising:
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an intracorporal device body having a first end and a second opposing end, the intracorporal device body further having a longitudinal axis and a body diameter smaller than the inner diameter of the vessel into which the implant assembly is intended to be deployed; and a means for passively creating an interference fit between the in vivo implant assembly and the inner diameter of the vessel, comprising;
a longitudinal anchor structure that extends distally outwardly longitudinally from a proximate end portion of the longitudinal anchor to form a loop that forms a continuously curved tip at the distal-most end of the longitudinal anchor structure, wherein the longitudinal length of the longitudinal anchor structure is greater than the body diameter, wherein at least a portion of the longitudinal anchor structure has a diameter that is at least as large as the inner diameter of the vessel into which the implant assembly is intended to be deployed, and wherein the intracorporal device is adapted to be permanently fixed relative to the position of the created interference fit within the vessel. - View Dependent Claims (12, 13, 14, 15, 16)
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17. An in vivo implant assembly for deployment within a vessel, the vessel having an inner diameter, comprising:
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an intracorporal device body having a first end and a second opposing end, a longitudinal axis and a diameter smaller than the inner diameter of the vessel; and a longitudinal anchor structure extending distally outwardly longitudinally from the proximate end portion of the longitudinal anchor structure to form a loop that has a continuously curved tip at the distal-most end of the longitudinal anchor structure, wherein the loop is configured to resiliently contact and form an interference fit with a portion of the operative vessel, wherein the overall longitudinal length of the intracorporal device body and the longitudinal anchor structure is greater than the inner diameter of the vessel, wherein at least a portion of the longitudinal anchor structure has a diameter that is at least as large as the inner diameter of the vessel into which the implant assembly is intended to be deployed, and wherein the intracorporal device is adapted to be permanently fixed relative to the position of the created interference fit within the vessel. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A method of implanting an in vivo implant assembly within a vessel having an inner diameter, comprising:
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providing an in vivo implant assembly comprising; an intracorporal device body having a first end and a second opposing end, a longitudinal axis and a body diameter smaller than the inner diameter of the vessel into which the implant assembly is intended to be deployed; and a means for passively creating an interference fit between the in vivo implant assembly and the inner diameter of the vessel, comprising;
a longitudinal anchor structure configured to extend distally outwardly longitudinally from the first or second end of the intracorporal device body and having a continuously curved tip at the distal-most end of the longitudinal anchor structure, wherein the overall longitudinal length of the intracorporal device body and the longitudinal anchor structure is greater than the inner diameter of the vessel, wherein at least a portion of the longitudinal anchor structure has a diameter that is at least as large as the inner diameter of the vessel into which the implant assembly is intended to be deployed, and wherein the intracorporal device is permanently fixed relative to the fixation position of the created interference fit within the vessel;releasing the implant assembly into the vessel at a release position; and permitting the implant assembly to form the interference fit with the inner diameter of the vessel at the fixation position. - View Dependent Claims (24, 25, 26, 27)
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Specification