Apparatus and method for attaching a header to a housing of an implantable device
First Claim
Patent Images
1. An apparatus comprising:
- an implantable housing;
a header including a cavity;
a post having a post body portion extending from a surface of the housing into the cavity, the post including an expanded head portion larger than the post body portion; and
a retaining member mounted within the header and engaged with the post with a bottom surface of the retaining member abutting an internal surface of the header, wherein the retaining member includes a push-on ring with a plurality of internal teeth pre-loaded into the header before the header is mounted to the post.
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Abstract
An apparatus includes an implantable housing, a header including a cavity, a post extending from a surface of the housing into the cavity, the post including an expanded head portion, and a retaining member mounted within the header and engaged with the post with a bottom surface of the retaining member abutting an internal surface of the header.
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Citations
20 Claims
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1. An apparatus comprising:
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an implantable housing; a header including a cavity; a post having a post body portion extending from a surface of the housing into the cavity, the post including an expanded head portion larger than the post body portion; and a retaining member mounted within the header and engaged with the post with a bottom surface of the retaining member abutting an internal surface of the header, wherein the retaining member includes a push-on ring with a plurality of internal teeth pre-loaded into the header before the header is mounted to the post. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus comprising:
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an implantable housing; a header including one or more ports for receiving a terminal of a medical lead, the header further including a cavity in a bottom surface of the header and a slot in a side surface of the header, where the slot is perpendicular to the cavity and communicates with the cavity; a post including a post body portion extending from an upper surface of the implantable housing, the post extending into the cavity, the post including an expanded head portion larger than the post body portion; and a retaining member located within the slot of the header, the retaining member being engaged to the post such that a top surface of the retaining member abuts a bottom surface of the expanded head portion and a bottom surface of the retaining member abutting an internal surface of the header such that the retaining member holds the header against the implantable housing, wherein the retaining member includes a push-on ring with a plurality of internal teeth pre-loaded into the header before the header is mounted to the post. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A method comprising:
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inserting a push-on ring with a plurality of internal teeth into a cavity in a header; inserting a post attached to an implantable housing into the cavity on the header; and pushing the push-on ring over the post, with the push-on ring inhibiting movement of the header away from the implantable housing. - View Dependent Claims (17, 18, 19, 20)
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Specification