RESORBABLE ANCHOR ARRANGEMENTS FOR IMPLANTABLE DEVICES AND METHODS OF MAKING AND USING
First Claim
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1. An implantable device, comprising:
- a device body configured and arranged to be implanted proximate to selected tissue in a patient, the device body comprising a distal portion, a proximal portion, at least one electrode disposed on the distal portion of the device body, at least one terminal disposed on the proximal portion of the device body, and at least one conductor extending along the device body from the at least one electrode to the at least one terminal, wherein the at least one terminal is configured and arranged to mechanically couple to an external pulse generator; and
an anchoring unit disposed around a portion of the device body between the at least one electrode and the at least one terminal, the anchoring unit configured and arranged for anchoring the device body in the patient upon implantation, the anchoring unit comprising a ring-shaped unit forming, by itself, a closed loop, the ring-shaped unit formed from a resorbable material that resorbs into the patient over a period of time after implantation, the resorption at least partially releasing the at least one electrode from the anchoring unit while the device body is implanted in the patient, the anchoring unit configured and arranged such that the period of time of resorption is sufficient to allow tissue ingrowth around the at least one electrode to anchor the at least one electrode prior to release of the at least one electrode due to at least a partial resorption of the anchoring unit.
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Abstract
An implantable device includes a device body and at least one anchoring unit configured and arranged for anchoring the device body in a patient upon implantation. The anchoring unit includes a resorbable material that resorbs into the patient over a period of time after implantation.
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Citations
20 Claims
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1. An implantable device, comprising:
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a device body configured and arranged to be implanted proximate to selected tissue in a patient, the device body comprising a distal portion, a proximal portion, at least one electrode disposed on the distal portion of the device body, at least one terminal disposed on the proximal portion of the device body, and at least one conductor extending along the device body from the at least one electrode to the at least one terminal, wherein the at least one terminal is configured and arranged to mechanically couple to an external pulse generator; and an anchoring unit disposed around a portion of the device body between the at least one electrode and the at least one terminal, the anchoring unit configured and arranged for anchoring the device body in the patient upon implantation, the anchoring unit comprising a ring-shaped unit forming, by itself, a closed loop, the ring-shaped unit formed from a resorbable material that resorbs into the patient over a period of time after implantation, the resorption at least partially releasing the at least one electrode from the anchoring unit while the device body is implanted in the patient, the anchoring unit configured and arranged such that the period of time of resorption is sufficient to allow tissue ingrowth around the at least one electrode to anchor the at least one electrode prior to release of the at least one electrode due to at least a partial resorption of the anchoring unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification