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    • 6. 发明申请
    • VERTEBRAL ENDPLATE SHAVER WITH HEIGHT ADJUSTABLE BLADES
    • WO2023091789A1
    • 2023-05-25
    • PCT/US2022/050733
    • 2022-11-22
    • LIFE SPINE, INC.
    • PREDICK, Daniel, P.
    • A61B17/16
    • A vertebral endplate preparation (decorticating) tool (110) has height adjustable blades (136, 137) at a distal end (120) of a shaft assembly (114) for decorticating/shaving vertebral endplate material from spinal vertebrae, translates axial movement of a control rod of the shaft assembly of the vertebral endplate preparation tool with height adjustable blades into radial blade height change (extension and retraction) through a controller (113) of a handle assembly (112). The blades may also be configured for collecting and removing shaven vertebral endplate material. The blades controllably move outward radially from the distal end of the shaft assembly and controllably move inward radially into the distal end of the shaft assembly upon manipulation of the controller. Radial blade extension and retraction from the distal end may be accomplished via mutual angled dovetail features (138, 139, 148,149; 166, 167, 164, 165) of the blades and the distal end, or via pins (1100, 1101 ) of the distal end of the shaft assembly situated in angled slots (187, 188; 195, 196) of the blades.