Three-piece button anchor and methods and devices using the anchor
First Claim
1. A lead anchor, comprising:
- a housing comprising a rigid body and a flexible covering disposed over at least a portion of the rigid body, the housing having a top surface, a bottom surface opposite the top surface, and a side surface extending from the top surface to the bottom surface, the housing defining, through the side surface, a first opening and a second opening configured and arranged to receive a lead, wherein boundaries of the first and second openings are circumscribed by the housing, and a lead lumen extending from the first opening to the second opening, the housing further defining a third opening in the top surface of the housing and a transverse lumen which extends from the third opening and intersects with a portion of the lead lumen, the rigid body comprising one or more projecting locking ridges extending into the transverse lumen;
a plunger comprising a top surface, a bottom surface opposite the top surface, a side surface extending from the top surface to the bottom surface, and one or more locking detents disposed on the side surface, wherein the plunger is configured and arranged for insertion into the transverse lumen and engaging a lead disposed within the lead lumen and, in particular, engaging with a portion of the lead that is disposed within the portion of the lead lumen that intersects with the transverse lumen to press the portion of the lead between the bottom surface of the plunger and the bottom surface of the housing to lock the lead in the lead anchor, wherein the plunger is configured and arranged for locking with the housing by engagement of at least one of the one or more locking ridges of the housing with at least one of the one or more locking detents of the plunger; and
at least one suture element formed by the flexible covering and configured and arranged for receiving a suture to suture the lead anchor to patient tissue.
1 Assignment
0 Petitions
Accused Products
Abstract
A lead anchor comprises a housing, and a plunger. The housing comprises a rigid body and a flexible covering disposed over at least a portion of the rigid body. The housing defines a first opening and a second opening configured and arranged to receive a lead. The housing further defines a transverse lumen. The rigid body comprises one or more projecting locking ridges extending into the transverse lumen. A plunger comprising one or more locking detents disposed thereon is configured and arranged for insertion into the transverse lumen and engaging a lead and locking with the housing by engagement of at least one of the one or more locking ridges of the housing with at least one of the one or more locking detents of the plunger. At least one suture element is formed by the flexible covering for receiving a suture to suture the lead anchor to patient tissue.
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Citations
20 Claims
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1. A lead anchor, comprising:
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a housing comprising a rigid body and a flexible covering disposed over at least a portion of the rigid body, the housing having a top surface, a bottom surface opposite the top surface, and a side surface extending from the top surface to the bottom surface, the housing defining, through the side surface, a first opening and a second opening configured and arranged to receive a lead, wherein boundaries of the first and second openings are circumscribed by the housing, and a lead lumen extending from the first opening to the second opening, the housing further defining a third opening in the top surface of the housing and a transverse lumen which extends from the third opening and intersects with a portion of the lead lumen, the rigid body comprising one or more projecting locking ridges extending into the transverse lumen; a plunger comprising a top surface, a bottom surface opposite the top surface, a side surface extending from the top surface to the bottom surface, and one or more locking detents disposed on the side surface, wherein the plunger is configured and arranged for insertion into the transverse lumen and engaging a lead disposed within the lead lumen and, in particular, engaging with a portion of the lead that is disposed within the portion of the lead lumen that intersects with the transverse lumen to press the portion of the lead between the bottom surface of the plunger and the bottom surface of the housing to lock the lead in the lead anchor, wherein the plunger is configured and arranged for locking with the housing by engagement of at least one of the one or more locking ridges of the housing with at least one of the one or more locking detents of the plunger; and at least one suture element formed by the flexible covering and configured and arranged for receiving a suture to suture the lead anchor to patient tissue. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 20)
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17. A method of implanting an implantable stimulation device, the method comprising:
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implanting a portion of a lead having an electrode array near tissue to be stimulated; placing a portion of the lead in a lead anchor, the lead anchor comprising a housing comprising a rigid body and a flexible covering disposed over at least a portion of the rigid body, the housing having a top surface, a bottom surface opposite the top surface, and a side surface extending from the top surface to the bottom surface, the housing defining, through the side surface, a first opening and a second opening configured and arranged to receive a lead, wherein boundaries of the first and second openings are circumscribed by the housing, and a lead lumen extending from the first opening to the second opening, the housing further defining a third openin in the top surface of the housing and a transverse lumen which extends from the third opening and intersects with a portion of the lead lumen, the rigid body comprising one or more projecting locking ridges, the lead anchor further comprising a plunger comprising a top surface, a bottom surface opposite the top surface, a side surface extending from the top surface to the bottom surface, and one or more locking detents disposed thereon, wherein the plunger is configured and arranged for insertion into the transverse lumen and engaging a lead within the lead lumen and, in particular, engaging with a portion of the lead that is disposed within the portion of the lead lumen that intersects with the transverse lumen, wherein the plunger is configured and arranged for locking with the housing by engagement of at least one of the one or more locking ridges of the housing with at least one of the one or more locking detents of the plunger, and at least one suture element formed by the flexible covering and configured and arranged for receiving a suture to suture the lead anchor to patient tissue; securing the lead to the anchor by pressing the portion of the lead between the bottom surface of the plunger and the bottom surface of the housing; and securing the lead anchor to the surrounding tissue using sutures. - View Dependent Claims (18, 19)
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Specification