	US 12,102,546 B2
	Device and a method for preparing a bone transplant
Alexander Settke, Jena (DE); Claudia Hesky, Jena (DE); and Frank Dallmann, Schmölln (DE)
Assigned to MATHYS AG BETTLACH, Bettlach (CH)
Appl. No. 17/780,413
Filed by MATHYS AG BETTLACH, Bettlach (CH)
PCT Filed Nov. 30, 2020, PCT No. PCT/EP2020/083860 § 371(c)(1), (2) Date May 26, 2022, PCT Pub. No. WO2021/105495, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 10 2019 132 412.2 (DE), filed on Nov. 29, 2019.
Prior Publication US 2023/0000646 A1, Jan. 5, 2023
Int. Cl. A61F 2/46 (2006.01)

CPC A61F 2/4644 (2013.01)

13 Claims

1. A device for preparing a bone graft outside of a human or animal body, the device comprising:

a base element, wherein the base element includes a support surface and at least one slot bounded by slot surfaces that extend perpendicular to the support surface, the at least one slot for guiding a cutting tool;

a guide insert comprising a first contact surface configured to contact the bone graft, wherein the guide insert is configured to be inserted into the base element, and wherein when the guide insert is inserted into the base element a first non-zero angle between the first contact surface and the slot surfaces is defined in a plane perpendicular to both the slot surfaces and the support surface; and

a holding insert comprising a first holding surface configured to contact the bone graft, wherein the holding insert is configured to be inserted into the base element, and wherein when the holding insert is inserted into the base element, a second non-zero angle between the first holding surface and the slot surfaces is defined in the plane.