Delivery apparatus and methods for implanting prosthetic devices

Patent metadata

Field	Value
Publication number	US-2024180699-A1
Application number	US-202418437578-A
Country	US
Kind code	A1
Filing date	Feb 9, 2024
Priority date	Aug 30, 2021
Publication date	Jun 6, 2024
Grant date	—

Abstract

A delivery apparatus includes a handle body, a carriage, a first shaft, a second shaft, and a drive member assembly. The handle body includes proximal and distal ends and a cavity disposed between the proximal and distal ends. The carriage is disposed within the cavity and is axially movable relative to the handle body. The first shaft has a proximal end fixed relative to the carriage. The second shaft extends through a lumen of the first shaft and is fixed relative to the handle body. The drive member assembly includes a knob and a plurality of body members. The knob and each body member are formed as separate components. The drive member assembly is coupled to the carriage and the handle body such that rotating the knob relative to the handle body moves the carriage and the first shaft axially relative to the handle body and the second shaft.

First claim

1 . A delivery apparatus comprising:
a handle body having a proximal end, a distal end, a longitudinal axis extending between the proximal end and the distal end, and a cavity disposed between the proximal end and the distal end; a carriage member disposed within the cavity and axially movable relative to the handle body in a direction parallel to the longitudinal axis of the handle body; a first shaft having a proximal end fixed relative to the carriage member; a second shaft extending through a lumen of the first shaft and fixed relative to the handle body; and a drive member assembly comprising a knob and a plurality of body members, wherein the knob and each body member of the plurality of body members are formed as separate components, and wherein the drive member assembly is coupled to the carriage member and the handle body such that rotating the knob of the drive member in a first rotational direction relative to the handle body results in the carriage member and the first shaft moving proximally relative to the handle body and the second shaft and such that rotating the knob of the drive member in a second rotational direction relative to the handle body results in the carriage member and the first shaft moving distally relative to the handle body and the second shaft.

2 . The delivery apparatus of claim 1 , wherein the carriage member includes a threaded portion, wherein the plurality of body members of the drive member assembly forms a threaded lumen configured to threadably receive the threaded portion of the carriage member.

3 . The delivery apparatus of claim 1 , wherein the drive member assembly is coupled to the handle body such that the drive member assembly is rotatable and axially fixed relative to the handle body.

4 . The delivery apparatus of claim 1 , wherein the plurality of body members of the drive member assembly forms a flange configured to engage the handle body such that the drive member assembly is rotatable and axially fixed relative to the handle body.

5 . The delivery apparatus of any one of claims 1-4 , wherein the carriage member is coupled to the handle body such that the carriage member is axially movable and rotationally fixed relative to the handle body.

6 . The delivery apparatus of claim 1 , wherein the handle body comprises one or more projections extending therefrom and configured to engage the carriage member such that the carriage member is axially movable and rotationally fixed relative to the handle body.

7 . The delivery apparatus of claim 1 , wherein the plurality of body members includes exactly two body members.

8 . The delivery apparatus of claim 1 , wherein the plurality of body members includes exactly three body members.

9 . The delivery apparatus of claim 1 , wherein the plurality of body members includes exactly four body members.

10 . The delivery apparatus of claim 1 , wherein each of the body members of the plurality of body members is identical.

11 . The delivery apparatus of claim 1 , wherein one or more of the body members of the plurality of body members comprises one or more mating features configured for coupling the plurality of body members together.

12 . The delivery apparatus of claim 11 , wherein the one or more mating features include one or more guide bosses and one or more guide recesses, and wherein the one or more guide recesses are configured to receive the one or more guide bosses therein.

13 . The delivery apparatus of claim 11 , wherein the one or more mating features include one or more snap hooks and one or more snap hook openings, and wherein the one or more snap hook openings are configured to receive the one or more snap hooks therein.

14 . The delivery apparatus of claim 11 , wherein the one or more mating features include one or more alignment tabs and one or more alignment notches, and wherein the one or more alignment notches are configured to receive the one or more alignment tabs therein.

15 . The delivery apparatus of claim 1 , wherein the knob and one or more of the body members of the plurality of body members comprises one or more mating features configured for coupling the knob and the plurality of body member together.

16 . A drive member assembly for a delivery apparatus, comprising:
a knob; and a plurality of body members, wherein each body member of the plurality of body members is formed as a separate component from the knob and the other body members of the plurality of body members.

17 . The drive member assembly of claim 16 , wherein the knob and each body member of the plurality of body members is formed via molding.

18 . A method of manufacturing a drive member assembly for a delivery apparatus, comprising:
forming a knob in a first mold shape; forming a first body member in a second mold shape; and forming a second body member in the second mold shape.

19 . The method of claim 18 , wherein the act of forming the knob occurs prior to the acts of forming the first body member or forming the second body member.

20 . The method of claim 18 , wherein the act of forming the knob occurs after the acts of forming the first body member or forming the second body member.

Assignees

• Edwards Lifesciences Corp

Inventors

• Desrosiers John J

Classifications

• A61F2/2418

  Scaffolds therefor, e.g. support stents · CPC title

• A61F2/9517 Primary

  handle assemblies therefor · CPC title

• A61F2/2436 Primary

  Deployment by retracting a sheath · CPC title

• A61F2240/001

  Designing or manufacturing processes · CPC title