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US6582459: Stent delivery system

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Filing Information

Inventor(s) Lilip Lau · William M. Hartigan ·
Assignee(s) Advanced Cardiovascular Systems, Inc. ·
Attorney/Agent(s) Fulwider Patton Lee & Utecht, LLP ·
Primary Examiner Brian L. Casler ·
Assistant Examiner Cris L. Rodriguez ·
Application Number US9716571
Filing date 11/17/2000
Issue date 06/24/2003
Predicted expiration date 01/28/2011
U.S. Classifications 623/111  · 606/194  · 604/102.02  · 604/960.1  ·
International Classifications --
Kind CodeB1
International Classifications 623 115- 12 · 604 9601 · 604104 · 604160 · 604161 · 604171 · 604264 · 604523 · 604528 · 60410201 · 60410202 · 606192 · 606194 · 606191 · 606195 · 606198 · 606108 · 623 11 · 623 111 · 623 112 · 623 1111 ·
Related U.S. Application DataRELATED APPLICATION
This application is a division of U.S. Ser. No. 09/136,982 filed Aug. 20, 1998, which is a division of U.S. Ser. No. 09/119,344 filed Jul. 20, 1998, now U.S. Pat. No. 6,113,607 which is a division of 08/630,528 filed Apr. 10, 1996, now U.S. Pat. No. No. 5,782,855, which is a division of U.S. Ser. No. 08/085,959 filed Jul. 6, 1993, now U.S. Pat. No. 5,507,768, which is a continuation-in-part application of U.S. Ser. No. 07/647,464 filed on Jan. 28, 1991, now abandoned.
2 Claims, 4 Drawings


Abstract

The invention is directed to a stent delivery method and system which generally includes an elongated delivery sheath and a catheter disposed within an outer lumen of the sheath having an expandable member on its distal extremity. An expandable stent is mounted on the expandable member of the catheter. The distal portion of the sheath tapers down and is tucked within an elastic cone during transport of the stent to a stenotic region. A manipulating device is provided on the proximal end of the delivery system to effect relative axial movement between the sheath and the catheter so as to expose the stent mounted on the expandable member on the catheter within a body lumen such as a coronary artery and allow the expansion of the stent by the expansion of the expandable member. The elastic cone thereby disengages from the sheath and collapses about the distal end of the catheter. The delivery sheath has a first port in its distal end and a second port in the sheath wall proximally disposed from the distal end of the sheath. The catheter likewise has a first port in its distal end and a second port proximally disposed from the distal end of the catheter. An inner lumen extends within the distal portion of the catheter between the first and second ports and slidably receives a guiding member such as a guidewire. This system allows the stent to be delivered over a guidewire previously advanced to the desired location within a body lumen.

Independent Claims | See all claims (2)

  1. 1. A stent and stent delivery catheter assembly, comprising: an elongated catheter having a proximal end and a distal end, an expandable member for expanding a stent and a passageway for slidably receiving a guide wire therein, the passageway extending between a first port in the distal end of the catheter and a second port spaced a relatively short distance proximally from the distal end of the catheter and a relatively long distance from the proximal end of the catheter; an expandable stent being mounted on the expandable member and being expandable from a first diameter as mounted on the expandable member to a second implanted diameter wherein the stent is implanted in a vessel; a ramp positioned in the guide wire passageway adjacent the second port to guide a proximal end of the guide wire out of the second port when the catheter is mounted onto the guide wire; an elongated sheath having a passageway for receiving the elongated catheter; and wherein the elongated sheath includes a distal port at a distal end of the sheath and a proximal guide wire port spaced distally of the proximal end.
  2. 2. A stent and stent delivery catheter assembly, comprising: an elongated catheter having a proximal end and a distal end, an expandable member for expanding a stent and a passageway for slidably receiving a guide wire therein, the passageway extending between a first port in the distal end of the catheter and a second port spaced a relatively short distance proximally from the distal end of the catheter and a relatively long distance from the proximal end of the catheter; an expandable stent being mounted on the expandable member and being expandable from a first diameter as mounted on the expandable member to a second implanted diameter wherein the stent is implanted in a vessel; a ramp positioned in the guide wire passageway adjacent the second port to guide a proximal end of the guide wire out of the second port when the catheter is mounted onto the guide wire; an elongated sheath having a passageway for receiving the elongated catheter; wherein the elongated sheath includes a distal port at a distal end of the sheath and a proximal guide wire port spaced distally of the proximal end; and a slit in the elongated sheath extends distally from the proximal guide wire port so that the guide wire can be pulled through the slit during catheter exchanges.

References Cited

U.S. Patent Documents

Document NumberAssigneesInventorsIssue/Pub Date
US4748982* Advanced Cardiovascular Systems, Inc. Horzewski et al. Jun 1988
US4947864* Schneider (U.S.A.), Inc. A Pfizer Company Shockey et al. Aug 1990
US5019090* Corvita Corporation Pinchuk May 1991
US5108416* C. R. Bard, Inc. Ryan et al. Apr 1992
US5516336* Advanced Cardiovascular Systems, Inc. McInnes et al. May 1996
US5649952* Advanced Cardiovascular Systems, Inc. Lam Jul 1997
US5653727* Medtronic, Inc. Wiktor Aug 1997
* cited by examiner

Referenced By

Document NumberAssigneeInventorsIssue/Pub Date
US7225518 Boston Scientific Scimed, Inc. Tracee Eidenschink et al. Jun 2007
US6890317 SciMed Life Systems, Inc. Michael Gerdts et al. May 2005
US7585317 Boston Scientific Scimed, Inc. Charles J. Davidson et al. Sep 2009
US6884258 Advanced Stent Technologies, Inc. Gil M. Vardi et al. Apr 2005
US7220275 Advanced Stent Technologies, Inc. Charles J. Davidson et al. May 2007
US7115109 Scimed Life Systems, Inc. Michael Gerdts et al. Oct 2006
US7591846 Boston Scientific Scimed, Inc. Gil Vardi Sep 2009
US6835203 Advanced Stent Technologies, Inc. Gil M. Vardi et al. Dec 2004
US7344557 Advanced Stent Technologies, Inc. Amnon Yadin Mar 2008
US7367989 Scimed Life Systems, Inc. Tracee Eidenschink May 2008
US7537609 Boston Scientific Scimed, Inc. Charles J. Davidson et al. May 2009
US6706062 Advanced Stent Technologies, Inc. Gil M. Vardi et al. Mar 2004
US7468053 Boston Scientific Scimed, Inc. Michael Gerdts et al. Dec 2008
US7118593 Advanced Stent Technologies, Inc. Charles J. Davidson et al. Oct 2006
US7341598 Boston Scientific Scimed, Inc. Charles J. Davidson et al. Mar 2008
US6962602 ADVANCED STENT TECH LLC Gil M. Vardi et al. Nov 2005
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US7892279 Boston Scientific Scimed, Inc. Charles J. Davidson et al. Feb 2011
US7655030 Boston Scientific Scimed, Inc. Eric Williams et al. Feb 2010
US7678142 Boston Scientific Scimed, Inc. Gil M. Vardi et al. Mar 2010
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US7766955 Boston Scientific Scimed, Inc. Gil Vardi et al. Aug 2010
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