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    • 132. 发明申请
    • POLYAXIAL LOCKING SCREW PLATE ASSEMBLY
    • 多轴锁紧螺丝板组件
    • WO2005091782A2
    • 2005-10-06
    • PCT/US2005003626
    • 2005-02-04
    • AESCULAP INCDALTON BRIAN E
    • DALTON BRIAN E
    • A61B17/70A61B17/80
    • A61B17/8038A61B17/7059A61B17/8047A61B17/861A61B17/864A61B17/8685
    • A bone fixation assembly (10) which includes a fixation plate (11) having a through passage (12) and a fastening screw (13) having a threaded shaft (14) for insertion through the passage (12) and thereafter threadable insertion into underlying bone. The screw head (15) has substantially frustospherical shaped side surfaces. A bushing (16) is provided and has an annular cup shaped side wall (17) defining an upwardly open interior bowl (20) for receiving the screw head (15). The bushing (16) has annularly shaped slots (21) in its side wall (17) which depend downwardly from its upper end (18) for allowing inward compression of the side wall (17) at the upper end (18). A centrally located screw shank passage (22) is provided in the lower end (19) of the bushing (16) to prevent passage of the screw shank (13). The bushing bowl (20) is further configured and dimensioned for polyaxial rotation of the screw head (15) in the bowl (20) and for preventing back out of the screw head (15) when the side wall (17) is compressed inwardly. The through passage (12) of the bone plate (11) is further configured and dimensioned to downwardly receive the bushing (16) therein for inwardly compressing the bushing (16) about the screw head (15) and an annular recess (23) is provided in the through passage (12) which receives the upper annular end (18) of the bushing (16) under compression with a snap fit whereby the screw head (15) is retained in the bowl (20) and is thereby prevented from backing out. The screw head (15) is expandable for thereby locking the screw (13) relative to the bone fixation plate (11).
    • 一种骨固定组件(10),其包括具有通过通道(12)的固定板(11)和具有用于插入通过所述通道(12)的螺纹轴(14)的紧固螺钉(13),然后可螺纹地插入下面 骨。 螺钉头(15)具有基本上截头圆锥形的侧表面。 衬套(16)被设置并且具有环形杯形侧壁(17),其限定用于容纳螺钉头(15)的向上敞开的内部碗(20)。 衬套(16)在其侧壁(17)上具有从其上端(18)向下延伸的环形形状的槽(21),用于允许在上端(18)处的侧壁(17)向内压缩。 在衬套(16)的下端(19)中设置有位于中心的螺杆柄通道(22),以防止螺杆(13)的通过。 衬套碗(20)进一步构造和尺寸设计成用于在碗(20)中的螺杆头(15)的多轴旋转,并且当侧壁(17)向内压缩时防止从螺杆头(15)退出。 骨板(11)的贯通通道(12)进一步构造和尺寸设计成向下容纳其中的衬套(16),用于围绕螺钉头(15)向内压缩衬套(16),并且环形凹部(23)是 设置在所述贯穿通道(12)中,所述贯穿通道(12)通过卡扣配合在所述贯穿通道(12)中承受所述衬套(16)的上部环形端部(18),由此所述螺钉头部(15)保持在所述碗体(20)中,从而防止所述衬套 出。 螺钉头(15)是可膨胀的,从而相对于骨固定板(11)锁定螺钉(13)。
    • 134. 发明申请
    • DISPOSITIF D'ANTI-EXTRACTION D'UNE VIS D'ANCRAGE POUR UN ELEMENT D'OSTEOSYNTHESE
    • 用于防止去除用于骨骼肌元件的锚定螺钉的装置
    • WO2004112627A2
    • 2004-12-29
    • PCT/FR2004/001503
    • 2004-06-17
    • SCIENT'XCARLI, OlivierBEN-MOKHTAR, Mourad
    • CARLI, OlivierBEN-MOKHTAR, Mourad
    • A61B17/86
    • A61B17/8047A61B17/7059A61B17/8052A61B17/8605A61B17/861A61B17/8894
    • L'objet de l'invention concerne un dispositif d'anti-extraction d'une vis d'ancrage comportant une vis d'ancrage (2) et un élément d'ostéosynthèse (3) présentant un alésage de passage (21) pour la vis d'ancrage. Selon l'invention : " la vis d'ancrage (2) comporte au moins deux bras de blocage (11) montés de manière élastique, pour occuper une position d'escamotage et une position de blocage, " et l'élément d'ostéosynthèse (3) comporte une section (23) de sollicitation radiale pour les bras de blocage, débouchant dans un canal de verrouillage (28) de manière que lors de l'opération de vissage de la vis d'ancrage (2), les bras de blocage (11) viennent occuper d'abord leur position d'escamotage en raison de l'action exercée par la section de sollicitation (23), puis leur position de blocage en prenant place dans le canal de verrouillage (28).
    • 本发明涉及一种用于防止锚定螺钉的移除的装置,其包括锚定螺钉(2)和具有用于接收锚定螺钉的连续孔孔(21)的骨接合元件(3)。 根据本发明:锚固螺钉(2)具有至少两个阻挡臂(11),其以弹性方式安装,用于占据缩回位置和阻挡位置,并且 骨接合元件(3)具有用于作用在阻塞肢体上的径向引诱部分(23),其以这样的方式进入锁定通道(28),即当拧入锚定螺钉(2)时,阻塞肢体(11) 由于引诱部分(23)的作用,最初占据其缩回位置,此后,它们在坐在锁定通道(28)内时占据其阻挡位置。
    • 135. 发明申请
    • DISTRACTION SCREW FOR SKELETAL SURGERY AND METHOD OF USE
    • 用于骨科手术的分离螺钉及其使用方法
    • WO2004032726A2
    • 2004-04-22
    • PCT/US2003/032456
    • 2003-10-14
    • ABDOU, M., Samy
    • ABDOU, M., Samy
    • A61B
    • A61B17/8685A61B17/7059A61B17/7082A61B17/8038A61B17/8042A61B17/861A61B17/862A61B17/8875A61B17/8877A61B17/8883A61B17/8888A61B2017/0256
    • An improved distraction bone screw and a method for its use are described. The distraction screw is comprised of an implantable distal segment and a detachably secured proximal segment. The distal segment includes a head portion and a threaded shank portion. The proximal segment is represented as an elongated body having an internal bore that extends through its length. A deployable member is disposed within the bore, which is extendible outside the internal bore to securely couple to the distal segment. As an assembly, the distraction screw is used to affix and realign bone during surgical reconstruction. Upon completion of the surgical work, the proximal segment is removed and the distal segment is left attached to the reconstructed bone. Securely affixed, the distal segment provides an additional point of fixation for the skeletal plates that are used to preserve the bony alignment while bone healing occurs. The affixed distal segment will also provide a ready mechanism for distraction screw replacement at the time of surgical revision without obligatory plate removal. Different embodiments of the proximal segment, distal segment and the rotational locking mechanisms which inhibit the rotation of one segment relative to the other during deployment were also described. In addition, in cases where the distraction screw must be placed into the bone at an inclined angle, poly-axial heads were provided so that proper skeletal plate placement can still be accomplished.
    • 描述了一种改进的牵引骨螺钉及其使用方法。 牵引螺钉包括可植入的远端段和可拆卸地固定的近端段。 远端段包括头部和螺纹柄部分。 近端段被表示为具有延伸穿过其长度的内孔的细长体。 可展开构件设置在孔内,该孔可在内孔的外部延伸以牢固地联接到远端段。 作为组件,牵引螺钉用于在手术重建期间固定和重新对准骨骼。 在外科手术完成后,将近端段移除,将远端段与重建的骨骼相连。 安全地固定,远端段为骨骼板提供额外的固定点,用于在发生骨愈合时用于保留骨对齐。 固定的远侧部分还将提供用于在手术修正时进行分心螺钉置换的准备机构,而不必强制拔除板。 还描述了近端段,远端段和旋转锁定机构的不同实施例,其在展开期间阻止一个段相对于另一段的转动。 此外,在牵引螺钉必须以倾斜角度放置在骨头中的情况下,设置多轴头以使得仍然可以实现适当的骨架板放置。
    • 136. 发明申请
    • ADJUSTABLE LENGTH ORTHOPEDIC FIXATION DEVICE
    • 可调节长度正交固定装置
    • WO99055248A1
    • 1999-11-04
    • PCT/US1999/009403
    • 1999-04-30
    • A61B17/80A61B17/86A61B17/88
    • A61B17/8863A61B17/8047A61B17/8057A61B17/861A61B17/8685A61F2/0811
    • The invention relates to an adjustable length fixation device having a head (30) slidable along the shaft (10) of the fixation device. The head (30) is larger than the shaft (10) and prevents further distal migration of the shaft (10) and may preferably include an external surface for engaging bone (62) to prevent proximal migration of the shaft (10). The head (30) includes an engagement portion which may be deformed to securely engage the shaft (10) to prevent removal of the head (30) from the shaft (10). The invention also contemplates a method of insertion which includes inserting the shaft (10) into the bone (62), sliding the head (30) along the shaft (10) and into engagement with the bone (62), securely engaging the head (30) to the shaft (10), and severing the shaft (10) proximal of the head (30) to thereby form a fastener of the required length.
    • 本发明涉及一种可调节长度的固定装置,其具有可沿固定装置的轴(10)滑动的头部(30)。 头部(30)大于轴(10),并且防止轴(10)的进一步的远侧移动,并且可以优选地包括用于接合骨头(62)的外表面,以防止轴(10)的近端移动。 头部(30)包括接合部分,该接合部分可以变形以牢固地接合轴(10),以防止头部(30)从轴(10)移除。 本发明还设想一种插入方法,其包括将轴(10)插入骨骼(62)中,使头部(30)沿着轴(10)滑动并与骨骼(62)接合,从而牢固地接合头部 30)连接到轴(10),并且切断头部(30)的近侧的轴(10),从而形成所需长度的紧固件。
    • 138. 发明申请
    • PEDICLE SCREW REMOVAL TOOL AND METHOD OF USE
    • PEDICLE螺丝拆卸工具及使用方法
    • WO2018084886A1
    • 2018-05-11
    • PCT/US2017/014953
    • 2017-01-25
    • ORTIZ, Rene
    • ORTIZ, ReneORTIZ, Alejandro, RenePADDOCK, TroyGARCIA, Michael
    • A61F2/00A61B17/92A61B17/58A61B17/60
    • A61B17/8875A61B17/7032A61B17/7076A61B17/7082A61B17/861A61B17/8615A61B17/8877
    • Disclosed is a universal pedicle screw removal tool comprising a tapered shaft having an "L" shaped tip on one end and a generally square head on an opposite end. A lower section leads to a tapered section which is connected to a handle. The handle may include a set of serrations to provide increased grip. The handle is connected to the head. The tip is sized to engage the channel of a tuliped pedicle screw while the head is sized to engage a ratchet or other torque producing tool. In an alternate embodiment, the tip is "T" shaped. In another alternate embodiment, the handle section includes opposing members extending from the shaft to form a "T" shaped handle. In use, the tip is inserted into the channel of a tuliped pedicle screw while the shaft is rotated to unscrew the pedicle screw from a patient's bone.
    • 公开了一种通用椎弓根螺钉移除工具,其包括具有“L”形的锥形轴, 一端为圆形尖端,另一端为大致方形头部。 下部分导致连接到手柄的锥形部分。 手柄可以包括一组锯齿以提供增加的抓地力。 把手连接到头部。 该尖端的尺寸被确定为接合调整的椎弓根螺钉的通道,同时该头部的尺寸被设计成接合棘轮或其他产生扭矩的工具。 在替代实施例中,尖端是“T” 成形。 在另一个替代实施例中,手柄部分包括从轴延伸以形成“T”形的相对构件。 形手柄。 在使用中,将尖端插入到已调整的椎弓根螺钉的通道中,同时旋转该轴以从患者的骨头上松开椎弓根螺钉。