US2017128257A1PendingUtilityA1

Hydration prevention coating

Assignee: BAYER HEALTHCARE LLCPriority: Mar 15, 2013Filed: Aug 29, 2016Published: May 11, 2017

Est. expiryMar 15, 2033(~6.7 yrs left)· nominal 20-yr term from priority

A61B 1/00135A61F 6/005A61F 6/202A61L 29/08A61L 31/145A61L 31/04A61F 6/22A61L 31/10A61F 6/20A61L 31/08A61F 6/225A61L 2420/02

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Abstract

Occlusion devices and delivery systems are described in which a polymerizing oil is used to protect a hydrogel from premature swelling. In an embodiment, a delivery system includes an occlusion device releasably coupled within a catheter sheath. The occlusion device includes an expandable implant and a hydrogel. An at least partially oxidized polymerizing oil is inside a lumen of the catheter sheath between the distal end of the catheter sheath and the hydrogel.

Claims

exact text as granted — not AI-modified

1 . A delivery system comprising:
 a catheter sheath having a distal end, a proximal end, and a lumen therebetween;   an occlusion device releasable coupled within the catheter sheath, the collusion device comprising an expandable implant and a hydrogel on the expandable implant;   a polymerizing oil inside the lumen of the catheter sheath between the distal end of the catheter sheath and the hydrogel, wherein the polymerizing oil is at least partially oxidized.   
     
     
         2 - 16 . (canceled)

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