IP Library › Granted Patent US 12,383,400
Granted Patent B2
US 12,383,400 · App. 18/512,963 · Granted Aug 12, 2025

Catheter assembly

Inventor: Michael G. Valdez (Riverside, CA)
Assignee: EDWARDS LIFESCIENCES CORPORATION
A61F2/2436A61F2/2433A61F2/2439
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Quick Facts
Patent No.
US 12,383,400
App. No.
18/512,963
Granted
Aug 12, 2025
Kind
B2
Abstract

Embodiments of a catheter assembly are disclosed. The catheter assembly comprises a shaft; a connector assembly comprising a first connector portion and a second connector portion, wherein the first connector portion is fixedly coupled to a distal end of the shaft, and is rotatably coupled to the second connector portion by at least one radially extending pin retained within at least one slot on the second connector portion, wherein the at least one slot has an oversized circumferential dimension that allows limited rotation of the second connector portion relative to the first connector portion about a longitudinal axis of the shaft.

Claims (33)

1. A catheter assembly comprising:

a shaft; and

a connector assembly comprising a first connector portion and a second connector portion, wherein the first connector portion is fixedly coupled to a distal end of the shaft, and is rotatably coupled to the second connector portion by at least one radially extending pin retained within at least one slot on the second connector portion, wherein the at least one slot has an oversized circumferential dimension that allows limited rotation of the second connector portion relative to the first connector portion about a longitudinal axis of the shaft,

wherein the at least one slot extends circumferentially along a sidewall of the second connector portion, and wherein the at least one radially extending pin retained within the at least one slot prevents axial separation of the first connector portion from the second connector portion when the second connector portion rotates relative to the first connector portion,

wherein a sidewall of the first connector portion defines a proximal lumen and a distal lumen, wherein the proximal lumen of the first connector portion has a larger diameter than the distal lumen of the first connector portion.

2. The catheter assembly of claim 1 , wherein the distal end of the shaft is a terminal end.

3. The catheter assembly of claim 1 , wherein the first connector portion and the second connector portion are axially offset from one another.

4. The catheter assembly of claim 1 , wherein a distal end portion of the shaft extends into the proximal lumen of the first connector portion.

5. The catheter assembly of claim 1 , wherein the sidewall of the second connector portion defines a proximal lumen and a distal lumen, wherein the proximal lumen of the second connector portion has a larger diameter than the distal lumen of the second connector portion.

6. The catheter assembly of claim 5 , wherein a distal end portion of the first connector portion extends into the proximal lumen of the second connector portion, wherein the proximal lumen of the second connector portion is oversized relative to the distal end portion of the first connector portion to allow limited tilting of the second connector portion with respect to the longitudinal axis of the shaft.

7. The catheter assembly of claim 1 , wherein the at least one slot comprises first and second slots and the at least one pin comprises first and second pins disposed in the first and second slots, respectively, wherein the first slot is positioned opposite to the second slot with respect to the longitudinal axis.

8. The catheter assembly of claim 1 , wherein the shaft is a first shaft, the catheter assembly further comprising a second shaft extending through the first shaft and the connector assembly, wherein a distal end portion of the second shaft defines a valve retaining portion, around which a prosthetic heart valve can be mounted in a radially compressed state.

9. The catheter assembly of claim 8 , wherein the second connector portion comprises one or more attachment features configured to form a releasable connection with the prosthetic heart valve.

10. The catheter assembly of claim 9 , wherein the one or more attachment features comprise a plurality of circumferentially spaced recesses formed over an outer surface of the second connector portion, wherein the plurality of recesses is configured to receive a plurality of retaining arms of the prosthetic heart valve.

11. The catheter assembly of claim 10 , wherein the second connector portion comprises a flange having a larger diameter than a section of the second connector portion in which the recesses are formed, wherein the flange comprises a plurality of notches that are in communication with the recesses such that the retaining arms can extend through the notches.

12. The catheter assembly of claim 8 , further comprising an outer sheath configured to extend over the connector assembly, the valve retaining portion and the prosthetic heart valve so as to retain the prosthetic heart valve in the radially compressed state within the sheath.

13. A catheter assembly comprising:

a first shaft;

a connector assembly comprising a first connector portion and a second connector portion, the first connector portion being fixedly coupled to a distal end of the first shaft, the second connector portion being coupled to the first connector portion such that the second connector portion can rotate relative to the first connector portion about a longitudinal axis of the first shaft and can tilt with respect to the longitudinal axis of the first shaft; and

a second shaft extending through the first shaft and the connector assembly;

wherein the second connector portion comprises one or more attachment features configured to form a releasable attachment with a prosthetic heart valve mounted over a distal end portion of the second shaft that is located distal to the connector assembly,

wherein a distal end portion of the first shaft extends into a lumen of the first connector portion.

14. The catheter assembly of claim 13 , wherein the second connector portion is coupled to the first connector portion by at least one pin radially extending from the first connector portion and retained within at least one slot located on the second connector portion.

15. The catheter assembly of claim 14 , wherein the at least one slot has an oversized circumferential dimension that allows limited rotation of the second connector portion relative to the first connector portion about the longitudinal axis of the first shaft.

16. The catheter assembly of claim 13 , wherein the second connector portion is coupled to the first connector portion by at least one pin radially extending from the second connector portion and retained within at least one slot located on the first connector portion.

17. The catheter assembly of claim 16 , wherein the at least one slot has an oversized circumferential dimension that allows limited rotation of the second connector portion relative to the first connector portion about the longitudinal axis of the first shaft.

18. The catheter assembly of claim 13 , wherein a distal end portion of the first connector portion is inserted into an axial bore of a proximal end portion of the second connector portion.

19. A catheter assembly comprising:

a shaft; and

a connector assembly comprising a first connector portion and a second connector portion, wherein the first connector portion is fixedly coupled to a distal end of the shaft, and is rotatably coupled to the second connector portion by at least one radially extending pin retained within at least one slot on the second connector portion, wherein the at least one slot has an oversized circumferential dimension that allows limited rotation of the second connector portion relative to the first connector portion about a longitudinal axis of the shaft,

wherein the at least one slot extends circumferentially along a sidewall of the second connector portion, and wherein the at least one radially extending pin retained within the at least one slot prevents axial separation of the first connector portion from the second connector portion when the second connector portion rotates relative to the first connector portion,

wherein the shaft is a first shaft, the catheter assembly further comprising a second shaft extending through the first shaft and the connector assembly, wherein a distal end portion of the second shaft defines a valve retaining portion, around which a prosthetic heart valve can be mounted in a radially compressed state,

wherein the second connector portion comprises one or more attachment features configured to form a releasable connection with the prosthetic heart valve.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 17, 2025
From: VALDEZ, MICHAEL G.
To: EDWARDS LIFESCIENCES CORPORATION
Reel/Frame 071748/0590 →
Continuity (4)
Continuation 16839501 · Apr 3, 2020
Continuation PCTUS2018053532 · Sep 28, 2018
Provisional Application 62573883 · Oct 18, 2017
Related Publication 20240081993A1 · Mar 14, 2024
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