(19)

(11)

EP 3 773 133 A1

(12)

(43) Date of publication: 17.02.2021 Bulletin 2021/07 (21) Application number: 19799311.6 (22) Date of filing: 13.05.2019

(51) International Patent Classification (IPC):  A61B 1/00(2006.01) A61M 29/02(2006.01) A61B 1/31(2006.01) A61M 31/00(2006.01) (86) International application number: PCT/US2019/000024 (87) International publication number: WO 2019/216960 (14.11.2019 Gazette 2019/46)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.05.2018 US 201815976885 09.04.2019 US 201962920037 P (71) Applicant: Bpendo, LLC Norman, OK 73069 (US)	(72) Inventors: HOLBROOK, Robert, M. Norman, OK 73069 (US) HENSON, Robert Morrisville, NC 27560 (US) FENTRESS, James Morrisville, NC 27560 (US) ZIGNEGO, Jay Morrisville, NC 27560 (US) SMITH, Peter Morrisville, NC 27560 (US) SCHAFFERS, Amanda Morrisville, NC 27560 (US) (74) Representative: J A Kemp LLP  14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)