US2009259125A1PendingUtilityA1

Bioabsorbable Marker Having Radiopaque Constituents And Method of Using the Same

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Assignee: BOSTON SCIENT SCIMED INCPriority: Aug 1, 1997Filed: Jun 16, 2009Published: Oct 15, 2009
Est. expiryAug 1, 2017(expired)· nominal 20-yr term from priority
Inventors:Jonathan S. Stinson
A61F 2210/0004A61L 27/50A61F 2002/30062A61B 17/12172A61M 25/0108A61B 17/12022A61B 17/1214A61B 90/39A61F 2250/0098A61L 27/58A61L 31/148A61F 2002/3008A61B 17/12109A61F 2/86A61L 31/18A61F 2/90
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Claims

Abstract

A temporary bioabsorbable-radiopaque marker for use on an implantable endoprosthesis. The bioabsorbable-radiopaque marker is adapted to be disposed on or adjacent an implantable endoprosthesis in a body lumen for a predetermined amount of time until the bioabsorbable and radiopaque materials are absorbed or dispersed in the body.

Claims

exact text as granted — not AI-modified
1 .- 27 . (canceled) 
     
     
         28 . A method, comprising: imaging a medical device with X-rays, the medical device having a first radiopacity; and imaging the medical device with a magnetic field, the medical device having a second radiopacity less than the first radiopacity. 
     
     
         29 . The method of  claim 28 , wherein the medical device comprises a biodegradable composition. 
     
     
         30 . The method of  claim 29 , wherein the biodegradable composition is in the form of a coating. 
     
     
         31 . The method of  claim 28 , wherein the medical device is imaged with the magnetic field after imaging the medical device with X-rays. 
     
     
         32 . The method of  claim 28 , further comprising implanting the medical device. 
     
     
         33 . The method of  claim 32 , wherein the medical device is imaged with the magnetic field after implanting the medical device. 
     
     
         34 . The method of  claim 28 , wherein the medical device comprises an endoprosthesis. 
     
     
         35 . The method of  claim 35 , wherein the medical device comprises a stent. 
     
     
         36 . The method of  claim 35 , wherein the endoprosthesis comprises a polymer. 
     
     
         37 . The method of  claim 28 , wherein the medical device comprises an occlusive device. 
     
     
         38 . A method, comprising: imaging a medical device with a first imaging technique; changing the visibility of the medical device, as imaged by the first imaging technique; and imaging the medical device with a second imaging technique different than the first imaging technique. 
     
     
         39 . The method of  claim 38 , wherein the first imaging technique comprises applying X-rays. 
     
     
         40 . The method of  claim 38 , wherein the second imaging technique is selected from the group consisting of ultrasound, magnetic resonance, and endoscopy. 
     
     
         41 . The method of  claim 38 , wherein the medical device comprises a biodegradable composition. 
     
     
         42 . The method of  claim 41 , wherein the biodegradable composition is in the form of a coating. 
     
     
         43 . The method of  claim 38 , wherein the medical device is imaged with the second imaging technique after imaging the medical device with the first technique. 
     
     
         44 . The method of  claim 38 , further comprising implanting the medical device. 
     
     
         45 . The method of  claim 44 , wherein the medical device is imaged with the second technique after implanting the medical device. 
     
     
         46 . The method of  claim 38 , wherein the medical device comprises an endoprosthesis. 
     
     
         47 . The method of  claim 46 , wherein the medical device comprises a stent. 
     
     
         48 . The method of  claim 46 , wherein the endoprosthesis comprises a polymer. 
     
     
         49 . The method of  claim 38 , wherein the medical device comprises an occlusive device. 
     
     
         50 . An implantable medical device, comprising a radiopaque composition capable of diminishing in radiopacity after the device has been implanted in a body. 
     
     
         51 . The device of  claim 50 , wherein the composition is biodegradable. 
     
     
         52 . The device of  claim 51 , wherein the composition is in the form of a coating. 
     
     
         53 . The device of  claim 50 , wherein the medical device comprises an endoprosthesis. 
     
     
         54 . The device of  claim 53 , wherein the medical device comprises a stent. 
     
     
         55 . The device of  claim 53 , wherein the endoprosthesis comprises a polymer. 
     
     
         56 . The device of  claim 50 , wherein the medical device comprises an occlusive device.

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