HINGED ANCHORS FOR WIRELESS PACING ELECTRODES
First Claim
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1. A leadless microstimulator comprising:
- an anchor configured to penetrate and engage tissue at an implantation site, the anchor defining a first longitudinal axis;
a control module configured to generate an electrical stimulus, the control module defining a second longitudinal axis;
a hinge disposed between the anchor and the control module, the hinge having a first configuration and a second configuration, wherein in the first configuration the first and second longitudinal axes are more closely aligned than in the second configuration, wherein the hinge is predisposed to assume the second configuration and the hinge is deflectable between the first and second configurations.
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Abstract
A hinged anchor for a medical device electrode is disclosed. In one embodiment, the hinged anchor has a hinged portion and an anchor portion. The hinged portion can have a first configuration forming a first angle and a second configuration forming a second angle. The second angle can be a sharper angle than the first angle, and the hinged portion can be predisposed to assume the second configuration. The hinged anchor can be disposed on a control module of a leadless microstimulator device.
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Citations
23 Claims
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1. A leadless microstimulator comprising:
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an anchor configured to penetrate and engage tissue at an implantation site, the anchor defining a first longitudinal axis; a control module configured to generate an electrical stimulus, the control module defining a second longitudinal axis; a hinge disposed between the anchor and the control module, the hinge having a first configuration and a second configuration, wherein in the first configuration the first and second longitudinal axes are more closely aligned than in the second configuration, wherein the hinge is predisposed to assume the second configuration and the hinge is deflectable between the first and second configurations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An electrode for a leadless microstimulator, the electrode comprising:
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a hinged anchor having an anchor portion and a hinged portion; wherein the hinged portion has a first configuration and a second configuration; wherein the hinged portion forms a first angle in the first configuration and a second angle in the second configuration, the second angle being sharper than the first angle; and wherein the hinged portion is predisposed to assume the second configuration. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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- 20. A microstimulator comprising a control module, an anchor portion and a flexible hinge, wherein the flexible hinge is disposed between the control module and the anchor portion, and wherein the hinge is predisposed to form a nonlinear configuration.
Specification