IP Library › Granted Patent US 12,642,657
Granted Patent B2
US 12,642,657 · App. 18/312,553 · Granted Jun 2, 2026

Catheters for implants and medical procedures and methods of use thereof

Inventor: Kurt Kelly Reed (Huntington Beach, CA)
Assignee: Edwards Lifesciences Corporation
A61F2/2466A61F2/2445A61F2230/0091
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Quick Facts
Patent No.
US 12,642,657
App. No.
18/312,553
Granted
Jun 2, 2026
Kind
B2
Abstract

A delivery catheter is in various embodiments configured to deliver an anchoring device to a native valve annulus of a patient's heart, where the anchoring device can better secure a prosthesis at the native annulus. The delivery catheter may include a flexible portion configured to form a spiral shape in embodiments.

Claims (25)

1 . A system for delivering an implant to a portion of a patient's body, the system comprising:

a delivery catheter including:

an elongate shaft having a flexible portion,

a spine including an elongate strip extending longitudinally in a spiral along a first portion of the flexible portion,

a tether extending longitudinally in a spiral along a second portion of the flexible portion that is circumferentially spaced from the first portion, and

wherein the flexible portion is configured to form a spiral shape upon a longitudinal force being applied to the tether.

2 . The system of claim 1 , wherein the flexible portion includes an inner lumen for the implant to be passed through.

3 . The system of claim 2 , wherein the spine and the tether spiral about the inner lumen.

4 . The system of claim 2 , wherein the first portion is positioned opposite from the second portion across the inner lumen.

5 . The system of claim 1 , wherein the spiral of the elongate strip forms at least a half rotation about the flexible portion.

6 . The system of claim 1 , wherein the spiral of the elongate strip forms at least a three-quarters rotation about the flexible portion.

7 . The system of claim 1 , wherein the spiral of the elongate strip forms at least a full rotation about the flexible portion.

8 . The system of claim 1 , wherein a pitch of the spiral of the elongate strip varies along a length of the flexible portion.

9 . The system of claim 1 , wherein the elongate strip includes a cut-out portion extending longitudinally along the elongate strip.

10 . The system of claim 1 , wherein a proximal portion of the spine couples to a passively flexible portion of the elongate shaft.

11 . The system of claim 1 , further comprising material having a lower durometer than the spine positioned circumferentially adjacent to the spine.

12 . The system of claim 1 , wherein the spine and the tether are embedded in a body of the elongate shaft.

13 . The system of claim 1 , further comprising a tether channel extending longitudinally in a spiral along the second portion of the flexible portion and configured to receive the tether.

14 . The system of claim 1 , wherein the spiral shape of the flexible portion is helical.

15 . The system of claim 1 , wherein the tether comprises a pull tether configured to be retracted proximally to form the flexible portion into the spiral shape.

16 . The system of claim 1 , wherein the flexible portion is configured to move from a straightened shape to the spiral shape.

17 . The system of claim 16 , wherein the flexible portion is configured to move from the straightened shape to the spiral shape to vary a direction of a distal tip of the elongate shaft.

18 . The system of claim 16 , wherein the flexible portion is configured to move from the spiral shape to the straightened shape.

19 . The system of claim 1 , further comprising a steerable guide sheath including a lumen for the elongate shaft to pass through, the steerable guide sheath configured to deflect a portion of the elongate shaft when the elongate shaft is positioned within the lumen of the steerable guide sheath.

20 . The system of claim 1 , further comprising the implant, and wherein the implant comprises a docking coil.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 11, 2026
From: REED, KURT KELLY
To: EDWARDS LIFESCIENCES CORPORATION
Reel/Frame 074625/0404 →
Continuity (3)
Continuation PCTUS2021057930 · Nov 3, 2021
Provisional Application 63109461 · Nov 4, 2020
Related Publication 20230270551A1 · Aug 31, 2023
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