US 12,239,537 B2
Bone transplant
Klaus Pastl, Lichtenberg (AT)
Assigned to SURGEBRIGHT GMBH, Lichtenberg (AT)
Appl. No. 17/423,342
Filed by SURGEBRIGHT GMBH, Lichtenberg (AT)
PCT Filed Dec. 10, 2019, PCT No. PCT/EP2019/084519
§ 371(c)(1), (2) Date Jul. 15, 2021,
PCT Pub. No. WO2020/148025, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. A 50034/2019 (AT), filed on Jan. 16, 2019.
Prior Publication US 2022/0096239 A1, Mar. 31, 2022
Int. Cl. A61B 17/86 (2006.01); A61B 17/56 (2006.01); A61B 17/88 (2006.01); A61F 2/28 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/28 (2013.01) [A61F 2002/2839 (2013.01); A61F 2002/3021 (2013.01); A61F 2002/30224 (2013.01); A61F 2002/30851 (2013.01); A61F 2310/00359 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A bone transplant made of a cortical bone substance, said bone transplant comprising:
a screw shank being cylindrical; and
a screw head configured to introduce a screwing-in torque;
axial recesses milled into an outer shell of the screw head, which open into a proximal end face of the screw head;
both the screw shank and the screw head are provided with an external thread;
the bone transplant is a tendon anchor for refixation of tendons to bones;
at least the external thread of the screw shank is a multi-start thread; and
the bone transplant is drill free and has a length at least three times a diameter of the bone transplant.