Delivery system with inline sheath

Patent metadata

Field	Value
Publication number	US-11944539-B2
Application number	US-202217574720-A
Country	US
Kind code	B2
Filing date	Jan 13, 2022
Priority date	Jun 11, 2013
Publication date	Apr 2, 2024
Grant date	Apr 2, 2024

Abstract

Systems and methods for delivering and implanting heart valves are disclosed. The delivery systems can include an integrated introducer. The integrated introducer can include a sheath having an inner diameter that is smaller than the outer diameter of a delivery capsule of the delivery system and an outer diameter that is approximately equal to the outer diameter of the delivery capsule. The integrated introducer can include a hub having a hemostatic seal. The hub can have a locking mechanism configured to fix the integrated introducer in place on the delivery system.

First claim

What is claimed is:

1. A delivery system for a medical device comprising:
a delivery capsule configured to house the medical device in a compressed delivery state, the delivery capsule comprising a proximal end, a distal end, and a length of the delivery capsule extending between the proximal end and the distal end;
an elongate member extending from the proximal end of the delivery capsule; and
an introducer sheath slidably disposed about the elongate member, the introducer sheath comprising a distal end having an inner diameter smaller than an outer diameter of the delivery capsule at a location along the length of the delivery capsule, wherein the distal end of the introducer sheath cannot slide over the proximal end of the delivery capsule.

2. The delivery system of claim 1 , wherein the distal end of the introducer sheath comprises a tip ring attached to a first component of the introducer sheath.

3. The delivery system of claim 2 , wherein the first component is formed by a plastic material, and the tip ring is formed by a metal band.

4. The delivery system of claim 2 , wherein the first component and the tip ring are formed from different respective materials.

5. The delivery system of claim 1 , wherein the distal end of the introducer sheath is configured to mate with the proximal end of the delivery capsule.

6. The delivery system of claim 1 , wherein the distal end of the introducer sheath comprises a radiopaque material.

7. The delivery system of claim 1 , wherein the proximal end of the delivery capsule contacts the distal end the introducer sheath in an insertion configuration.

8. The delivery system of claim 1 , wherein the delivery capsule is located distally from the distal end of the introducer sheath in a delivery configuration.

9. The delivery system of claim 1 , further comprising a tubular stability member located between the elongate member and the introducer sheath.

10. The delivery system of claim 9 , wherein the introducer sheath is slidably disposed about the tubular stability member.

11. The delivery system of claim 1 , wherein the introducer sheath is steerable.

12. The delivery system of claim 1 , further comprising a locking element attached to a proximal end of the introducer sheath configured to lock the introducer sheath at a location along the elongate member.

13. A delivery system for a medical device comprising:
a delivery capsule configured to house the medical device in a compressed delivery state, the delivery capsule comprising a proximal end;
an elongate member extending from the proximal end of the delivery capsule; and
an introducer sheath slidably disposed about the elongate member, the introducer sheath comprising a distal end having an inner diameter smaller than a maximum outer diameter of the delivery capsule, wherein the distal end of the introducer sheath cannot slide over any portion of the delivery capsule.

Assignees

• Medtronic Inc

Inventors

• Deshmukh Susheel R
• Griffin Patrick
• Macaulay Patrick E
• Masud A K M
• Shipley Adam J
• Shanahan John P
• Yeung Hubert K
• Peter Stephen J
• Belt Gustaf L P
• Dwork Joshua J

Classifications

• A61F2/2436 Primary

  Deployment by retracting a sheath · CPC title

• A61F2/2433

  using balloon catheter · CPC title

• A61M25/0662

  Guide tubes · CPC title

• A61F2/48

  Operating or control means, e.g. from outside the body, control of sphincters · CPC title

• A61M2025/0024

  Expandable catheters or sheaths · CPC title