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    • 3. 发明授权
    • Device for converting rotary motion into axial motion
    • 将旋转运动转换为轴向运动的装置
    • US06131479A
    • 2000-10-17
    • US199758
    • 1998-11-25
    • Michael ButschRoman Stauch
    • Michael ButschRoman Stauch
    • F16H25/22F16H55/17
    • F16H25/2252Y10T74/19795
    • A device for converting rotary motion into axial motion, having planetary rollers which are driven from a stationary drive housing by a drive shaft. These planetary rollers are held circumferentially at the same distance apart by a rotatable cage. The planetary rollers engage a thrust element via drive grooves on both the planetary rollers and the thrust element. The drive grooves on the planetary rollers do not engage the drive grooves on the drive shaft which frees the planetary rollers from harmful double engagement. The drive shaft drives these rollers via a gear tooth region on the rollers so as to function reliably and durably with a compact construction. The thrust element which is hollow, is therefore, able to move with a free thrust, i.e. without an additional guide element guiding it along a thrust path. Finally the thrust element has a high bucking strength so that it can withstand relatively large axial pressure.
    • 一种用于将旋转运动转换为轴向运动的装置,具有通过驱动轴从固定驱动器壳体驱动的行星辊。 这些行星辊通过可旋转的保持架以相同的距离保持在周向。 行星滚子通过行星滚子和推力元件上的驱动槽接合推力元件。 行星辊上的驱动槽不接合驱动轴上的驱动槽,从而使行星辊免受有害的双重接合。 驱动轴通过滚子上的齿轮齿驱动这些滚子,以便以紧凑的结构可靠且耐用。 因此,中空的推力元件能够以自由推力移动,即没有附加的引导元件沿着推力路径引导它。 最后,推力元件具有很高的抗弯强度,从而能承受较大的轴向压力。
    • 10. 发明公开
    • Intramedullary Nail for Transverse Distraction
    • US20240238018A1
    • 2024-07-18
    • US18290269
    • 2022-05-09
    • Roman Stauch
    • Roman Stauch
    • A61B17/72A61B17/68
    • A61B17/7216A61B17/7258A61B2017/681
    • The invention relates to an intramedullary nail (1) for transverse distraction of a tubular bone (2), the intramedullary nail (1) comprising an at least partially hollow tube body (3) extending in an axial direction of the intramedullary nail (1), at least one locking means for locking the tube body (3) in an end portion of the tubular bone (2), a first inner part (5) and a second inner part (7), which are each arranged within the tube body (3) so as to be displaceable in the axial direction toward each other or with each other, a drive within the tube body (3) for axial displacement of the first inner part (5) relative to the second inner part (7), at least one longitudinal recess (11) in the tube body (3), and at least one lever mechanism (20) which comprises at least one lever element (9, 23, 24) which is designed to be extended out of, and to be retracted again into, the tube body (3) in a radial direction, wherein the displacement of the first inner part (5) relative to the second inner part (7) causes the at least one lever element (9) to be moved or extended out of the at least one lateral longitudinal recess (11) in the tube body (3) or causes the at least one lever element (9) to be moved or retracted into the at least one lateral longitudinal recess (11) in the tube body (3).