US 11,938,290 B2
Systems and methods for draining cerebrospinal fluid
Fredric B. Meyer, Rochester, MN (US); and Mohamed Bydon, Rochester, MN (US)
Assigned to Mayo Foundation for Medical Education and Research, Rochester, MN (US)
Filed by Mayo Foundation for Medical Education and Research, Rochester, MN (US)
Filed on Apr. 27, 2023, as Appl. No. 18/140,050.
Claims priority of provisional application 63/337,019, filed on Apr. 29, 2022.
Prior Publication US 2023/0364395 A1, Nov. 16, 2023
Int. Cl. A61M 27/00 (2006.01); A61B 17/00 (2006.01); A61F 2/01 (2006.01)
CPC A61M 27/006 (2013.01) [A61B 17/0057 (2013.01); A61F 2/01 (2013.01); A61F 2250/0051 (2013.01); A61M 27/002 (2013.01); A61M 2202/0464 (2013.01); A61M 2205/0238 (2013.01); A61M 2205/0266 (2013.01); A61M 2205/04 (2013.01); A61M 2205/3334 (2013.01)] 22 Claims
OG exemplary drawing
 
1. An apparatus for percutaneous spinal delivery of a device, the apparatus comprising:
a needle sized to percutaneously inject the device into the spine of the subject, the needle comprising a hollow needle shaft at least partially containing the device, wherein the device comprises:
an implantable structure defining a conduit therein connecting a first end to a second end;
a flow controller positioned within the implantable structure in an orientation that allows spinal fluid to flow through the conduit from the first end to the second end;
a first expansion apparatus positioned at the first end of the implantable structure, wherein the first expansion apparatus is expandable into an expanded configuration larger than the first end; and
a second expansion apparatus positioned at the second end of the implantable structure, wherein the second expansion apparatus is expandable into an expanded configuration larger than the second end.