Delivery system for implantable biostimulator
First Claim
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1. A delivery system configured for implanting a biostimulation device comprising:
- a stylet extending along an axis from knob end to a threaded end configured to engage an internally threaded nut of the biostimulation device; and
a catheter tube configured to axially contain the stylet, the catheter tube comprising a feature that engages a corresponding feature on the biostimulation device whereby the stylet can be rotated relative to the catheter tube for disengagement of the stylet threaded end from the biostimulation device threaded end.
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Abstract
A delivery system for implanting a biostimulation device comprising a stylet extending along an axis from knob end to a threaded end configured to engage an internally threaded nut of the biostimulation device and a catheter tube configured to axially contain the stylet. The catheter tube comprises a feature that engages a corresponding feature on the biostimulation device whereby the stylet can be rotated relative to the catheter tube for disengagement of the stylet threaded end from the biostimulation device threaded end.
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Citations
36 Claims
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1. A delivery system configured for implanting a biostimulation device comprising:
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a stylet extending along an axis from knob end to a threaded end configured to engage an internally threaded nut of the biostimulation device; and
a catheter tube configured to axially contain the stylet, the catheter tube comprising a feature that engages a corresponding feature on the biostimulation device whereby the stylet can be rotated relative to the catheter tube for disengagement of the stylet threaded end from the biostimulation device threaded end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method for implanting a biostimulation device in patient body tissue comprising:
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screwing a threaded end of a stylet into an internally threaded nut of the biostimulation device;
positioning the catheter tube whereby the biostimulation device is located adjacent a selected patient body tissue;
engaging a feature of the catheter tube against a corresponding feature on the biostimulation device whereby rotation of the catheter tube rotates the biostimulation device relative to the patient body tissue;
rotating the catheter tube whereby fixation device on the biostimulation device affixes to the patient body tissue; and
counter-rotating the stylet relative to the catheter tube whereby the threaded end of a stylet is unscrewed from the internally threaded nut of the biostimulation device. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A delivery apparatus for implanting a leadless cardiac pacemaker comprising:
a bi-concentric-axial element catheter configured for engaging to and disengaging from the leadless cardiac pacemaker via relative motion of an internal stylet element to an externally circumferential tube element. - View Dependent Claims (34, 35, 36)
Specification