US 12,274,811 B2
Dural repair device and method of use
Charles Sansur, Towson, MD (US); and Steven C. Ludwig, Baltimore, MD (US)
Assigned to UNIVERSITY OF MARYLAND, BALTIMORE, Baltimore, MD (US)
Filed by UNIVERSITY OF MARYLAND, BALTIMORE, Baltimore, MD (US)
Filed on Jun. 2, 2023, as Appl. No. 18/205,099.
Application 18/205,099 is a division of application No. 16/646,329, granted, now 11,672,672, previously published as PCT/US2018/050730, filed on Sep. 12, 2018.
Claims priority of provisional application 62/557,384, filed on Sep. 12, 2017.
Prior Publication US 2023/0310168 A1, Oct. 5, 2023
Int. Cl. A61F 2/02 (2006.01); A61B 17/80 (2006.01); A61F 2/00 (2006.01); A61L 27/14 (2006.01); A61L 27/36 (2006.01); A61L 27/58 (2006.01); A61L 31/06 (2006.01); A61L 31/14 (2006.01); A61B 17/70 (2006.01); A61F 2/30 (2006.01); A61F 2/44 (2006.01); A61M 39/02 (2006.01)
CPC A61L 27/3675 (2013.01) [A61B 17/8028 (2013.01); A61F 2/0063 (2013.01); A61L 27/14 (2013.01); A61L 27/58 (2013.01); A61L 31/06 (2013.01); A61L 31/14 (2013.01); A61L 31/148 (2013.01); A61B 17/7071 (2013.01); A61F 2002/30179 (2013.01); A61F 2002/30973 (2013.01); A61F 2002/4435 (2013.01); A61F 2210/0076 (2013.01); A61F 2250/0037 (2013.01); A61L 2430/32 (2013.01); A61M 2039/0226 (2013.01); A61M 2039/0264 (2013.01); A61M 2039/027 (2013.01); A61M 2039/0276 (2013.01)] 13 Claims
OG exemplary drawing
 
1. Method of sealing a treatment site for a dural repair, comprising:
providing a dual layer, multi-composite plate having a top layer and an attached bottom layer, the top layer comprising a rigid and formable resorbable thermoplastic material, the bottom layer comprising a compressible material softer than the thermoplastic material of the top layer, the plate being moldable under heat treatment and being configured to provide a water-tight seal over a treatment site, wherein the plate includes a valvular pore for insertion of a needle therethrough, the valvular pore being configured to provide one-way fluid flow;
forming a sealing device over the treatment site from the multi-composite plate; and
securing the formed sealing device to the treatment site.