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(12) United States Patent (10) Patent No.: US 8,852.264 B2 Pacetti Et Al

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(12) United States Patent (10) Patent No.: US 8,852.264 B2 Pacetti Et Al USOO8852264B2 (12) United States Patent (10) Patent No.: US 8,852.264 B2 Pacetti et al. (45) Date of Patent: *Oct. 7, 2014 (54) RADIOPAQUE INTRALUMINAL STENT (56) References Cited (75) Inventors: Stephen Pacetti, San Jose, CA (US); U.S. PATENT DOCUMENTS Pamela A. Kramer, San Jose, CA (US) 4,685,977 A 8/1987 Chang 5,061.275 A 10, 1991 Wallsten et al. (73) Assignee: Abbott Cardiovascular Systems, Inc., 5.330,826 A 7/1994 Taylor et al. 5,421.955 A 6/1995 Lau et al. Santa Clara, CA (US) 5,514,154 A 5/1996 Lau et al. 5,569,295 A 10, 1996 Lam (*) Notice: Subject to any disclaimer, the term of this 5,603,721 A 2f1997 Lau et al. patent is extended or adjusted under 35 5,618,299 A 4/1997 Khosravi et al. 5,628,787 A 5/1997 Mayer U.S.C. 154(b) by 0 days. 5,630,840 A 5/1997 Mayer This patent is Subject to a terminal dis 5,636,641 A 6, 1997 Fariabi claimer. 5,649,952 A 7, 1997 Lam 5,716,417 A 2f1998 Girard et al. 5,725,572 A 3, 1998 Lam et al. (21) Appl. No.: 13/618,602 5,728, 158 A 3, 1998 Lau et al. 5,735,893 A 4/1998 Lau et al. 5,759,192 A 6/1998 Saunders (22) Filed: Sep. 14, 2012 5,766,238 A 6/1998 Lau et al. (65) Prior Publication Data (Continued) US 2013/OO 13055A1 Jan. 10, 2013 FOREIGN PATENT DOCUMENTS EP O804934 3, 1997 EP 1604691 12/2005 Related U.S. Application Data (Continued) (60) Continuation of application No. 1 1/736,979, filed on OTHER PUBLICATIONS Apr. 18, 2007, now Pat. No. 8,430,923, which is a division of application No. 09/534,071, filed on Mar. U.S. Appl. No. 1 1/736,979, Feb. 20, 2013, Issue Notification. 24, 2000, now Pat. No. 7,250,058. (Continued) Primary Examiner —Vy Q Bui (51) Int. C. (74) Attorney, Agent, or Firm — Workman Nydegger; A6 IF 2/06 (2013.01) Jonathan Feuchtwang A61 M 29/00 (2006.01) (52) U.S. C. (57) ABSTRACT USPC ........................... 623/1.15;606/108: 606/198 The present invention includes a radiopaque stent comprising (58) Field of Classification Search a cylindrical main body. The tubular main body comprises a USPC ........................... 623/1.1–1.22: 606/191-198 cobalt chromium alloy that comprises cobalt, chromium and IPC ....................... A61F 1/10.2/06, 2/14, 2/16, 2/52 one or more radiopaque materials. See application file for complete search history. 16 Claims, 6 Drawing Sheets US 8,852.264 B2 Page 2 (56) References Cited 2010/0217373 A1 8/2010 Boyle et al. 2010/0222873 A1 9/2010 Atanasoska et al. U.S. PATENT DOCUMENTS 2010/024121.0 A1 9/2010 Patadia 2012/O123525 A1 5/2012 Kramer-Brown et al. ... 623,1.34 5,824,077 A 10, 1998 Mayer 5,849,037 A 12, 1998 Frid FOREIGN PATENT DOCUMENTS 5,876.432 A 3, 1999 Lau et al. 5,891,191 A ck 4, 1999 Stinson ................... 623/12 EP 1632584 3, 2006 5.984,973 A 11, 1999 Girard et al. EP 2676684 12/2013 6,027,528 2, 2000 Tomanto et al. EP 2676686 12/2013 6,287,331 9, 2001 Heath WO WO 97.33534 9, 1997 6,355,058 3, 2002 Pacetti et al. WO WO99, 15108 4f1999 6,419,693 T/2002 Fariabi .................... 623, 1.18 WO WOOO,54704 9, 2000 6,620,192 9, 2003 Jalisi WO WOO1? 15632 3, 2001 7,105,018 9, 2006 Yip et al. WO WOO1/17577 3, 2001 7,156,869 1/2007 Pacetti WO WOO 1/72349 4/2001 7,250,058 7/2007 Pacetti et al. WO WO O2/O78763 10, 2002 7,294.214 11/2007 Craig WO WO 2012/068358 5, 2012 7,318,837 1, 2008 Krivoruchko et al. WO WO 2013,162690 10, 2013 7,413,574 8, 2008 Yip et al. 7,540,997 6, 2009 Stinson OTHER PUBLICATIONS 7,601.230 10, 2009 Craig 7,740,798 6, 2010 Stinson Giessen et al., “Coronary Stenting with a New Radiopaque Balloon 2002fOO32477 3, 2002 Helmus et al. Expandable Endoprosthesis in Pigs'. Circulation, vol. 83, No. 5, May 2004/0129347 T/2004 Craig 2005/0059.889 3, 2005 Mayer 1991, pp. 1788-1798. 2005/0060025 3, 2005 Mackiewicz et al. Cordis Palmaz Blue,018 Peripheral Stent System, Johson & Johnson 2006/O190070 8, 2006 Dieck et al. Medical NVISA, May 2005 (2 pages) http://www.ijnordic.com/ 2006/02591.26 11, 2006 Lenz Lists/FileList1/Attatchments, 174/PalmazBlue 018 Brochure. 2006/0271169 11, 2006 Lye et al. PDF. 2006/02877.09 12, 2006 Rao . Appl. 1 1/736,979, May 26, 2010, Office Action. 2007/O135891 6, 2007 Schneider . Appl. 1 1/736,979, Aug. 31, 2010, Office Action. 2007/O173925 7/2007 Fliedner . Appl. 1 1/736,979, Apr. 4, 2011, Office Action. 2007/O185564 8, 2007 Pacetti et al. Appl. 1 1/736,979, Sep. 19, 2011, Office Action. 2007/0219624 9, 2007 Brown et al. Appl. 2007/0265699 11/2007 Grewe et al. 1 1/736,979, Apr. 12, 2012, Office Action. 2007/0270942 11/2007 Thomas . Appl. 1 1/736,979, Nov. 9, 2012, Notice of Allowance. 2008/O16O259 T/2008 Nielson et al. Appl. 09/534,071, Sep. 17, 2002, Office Action. 2008/O1773.71 T/2008 Ryan et al. Appl. 09/534,071, Dec. 18, 2002, Office Action. 2008. O183280 T/2008 Agnew et al. Appl. 09/534,071, Jul. 9, 2003, Office Action. 2008, 0208308 8, 2008 Allen et al. Appl. 09/534,071, Aug. 29, 2005, Office Action. 2008/0208352 8, 2008 Krivoruchko et al. Appl. 09/534,071, Nov. 15, 2005, Office Action. 2008/0215132 9, 2008 Ryan et al. Appl. 09/534,071, Mar. 13, 2006, Office Action. 2008, O262600 10, 2008 Jalisi . Appl. 09/534,071, Sep. 13, 2006, Office Action. 2009, OO30500 1/2009 Weber . Appl. 09/534,071, Feb. 12, 2007, Notice of Allowance. 2009/00486.59 2, 2009 Weber et al. Appl. 09/534,071, Jul. 11, 2007, Issue Notification. 2009/0093871 4, 2009 Rea et al. Appl. 2009.0118822 5/2009 Holman et al. 61/414,566, filed Nov. 17, 2010, Boylan. 2009/O1499.47 6, 2009 Frohwitter .S. Appl. No. 13/830,404, filed Mar. 14, 2013, Kramer-Brown et al. 2009, 0240324 9, 2009 Smith S. Appl. No. 11/736,979, Apr. 10, 2013, Issue Notification. 2009,0258050 10, 2009 Lindsay et al. PCT/US2014/024953, Jul 24, 2014, International Search Report and 2009,0259299 10, 2009 Moloney Written Opinion. 2009,0276033 11/2009 Mayer 2010.0004733 1, 2010 Atanasoska et al. * cited by examiner U.S. Patent Oct. 7, 2014 Sheet 1 of 6 US 8,852.264 B2 U.S. Patent Oct. 7, 2014 Sheet 2 of 6 US 8,852.264 B2 10 11 16 17 7777 2 777-777-77/7 AAA AC 2-2 - 7 A7-7 Z-2 20 14 13 12 15 Y 7-7-777-7774) 2-22-7-7 2 e-2 - 2 -- U.S. Patent Oct. 7, 2014 Sheet 3 of 6 US 8,852.264 B2 U.S. Patent Oct. 7, 2014 Sheet 4 of 6 US 8,852.264 B2 CNC CONTROLLER 70 FIG. 7 U.S. Patent Oct. 7, 2014 Sheet 5 of 6 US 8,852.264 B2 FIG. 8O FIG. 8b U.S. Patent Oct. 7, 2014 Sheet 6 of 6 US 8,852.264 B2 90 N FIG. 9 FIG. 1 O US 8,852,264 B2 1. 2 RADIOPAQUE INTRALUMINAL STENT within a vessel but illuminate so brightly under fluoroscopy that the underlying vessel morphology is obscured, thereby CROSS-REFERENCE TO RELATED impairing the ability of the interventionalist to repair the APPLICATIONS lesion. Other stents incorporate radiopaque markers that facilitate stent location, but do not allow adequate stent visu The present application is a continuation of U.S. patent alization to assist determination of optimal deployment. application Ser. No. 11/736,979, filed Apr. 18, 2007, which is a divisional of U.S. patent application Ser. No. 09/534,071, SUMMARY OF THE INVENTION now U.S. Pat. No. 7,250,058 filed Mar. 24, 2000 and issued on Jul. 31, 2007, the entireties of which are incorporated herein 10 One embodiment of the present invention includes a radio by reference. paque stent. The radiopaque stent comprises a cylindrical main body. The cylindrical main body comprises a cobalt BACKGROUND OF THE INVENTION chromium alloy that comprises cobalt, chromium and one or more radiopaque materials. The present invention relates to a radiopaque intraluminal 15 stent comprised of a cobalt chromium alloy with one or more Another embodiment of the present invention includes an radiopaque elements and to a method for making the radio assembly comprising a catheter and a radiopaque stent. The paque intraluminal stent. radiopaque stent comprises a cobalt chromium alloy that Intraluminal stents implanted with percutaneous methods comprises cobalt, chromium and one or more radiopaque have become a standard adjunct to procedures such as balloon materials. angioplasty in the treatment of atherosclerotic disease of the One other embodiment of the present invention includes a arterial system. Stents, by preventing acute vessel recoil, method for making a radiopaque stent. The method comprises improve long term patient outcome and have other benefits providing a tube. The tube comprises a cobalt chromium Such as securing vessel dissections. alloy.
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