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公开(公告)号：US11241258B2
公开(公告)日：2022-02-08
申请号：US15421822
申请日：2017-02-01
申请人： Vertiscrew, LLC
摘要： A bone fixation system with variable z-axis translation is provided. The system includes an outer tulip coupled to a bone fastener via a screw retainer. An inner tulip is coupled to the outer tulip such that the inner tulip is longitudinally movably relative to the outer tulip. The inner tulip includes a lock that provides a seat for a connecting rod. The inner tulip together with a seated rod is permitted to translate along the z-axis inside the outer tulip when in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The z-axis position of the inner tulip and rod relative to the outer tulip is fixed in a locked position. Also, in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw.
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公开(公告)号：US20210093361A1
公开(公告)日：2021-04-01
申请号：US17121635
申请日：2020-12-14
申请人： VERTISCREW, LLC
摘要： A bone fixation system with variable z-axis translation is provided. The bone fixation system includes an outer tulip coupled to a bone fastener. An inner tulip, which provides a seat for an elongate fixation rod, is located inside the outer tulip. The inner tulip together with a seated rod is permitted to translate along the z-axis in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The bone fixation system includes a locked position in which the z-axis position of the inner tulip and rod relative to the outer tulip is fixed. Also in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw or independently by rotation of the inner tulip relative to the outer tulip.
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公开(公告)号：US09463047B2
公开(公告)日：2016-10-11
申请号：US14175065
申请日：2014-02-07
CPC分类号： A61B17/7035 , A61B17/7032 , A61B17/7085 , A61B17/7086 , A61B17/7091 , A61B17/862 , A61B17/8883
摘要： A bone fixation system with variable z-axis translation is provided. The bone fixation system includes an outer tulip coupled to a bone fastener. An inner tulip, which provides a seat for an elongate fixation rod, is located inside the outer tulip. The inner tulip together with a seated rod is permitted to translate along the z-axis in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The bone fixation system includes a locked position in which the z-axis position of the inner tulip and rod relative to the outer tulip is fixed. Also in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw or independently by rotation of the inner tulip relative to the outer tulip.
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公开(公告)号：US20220160402A1
公开(公告)日：2022-05-26
申请号：US17667245
申请日：2022-02-08
申请人： Vertiscrew, LLC
摘要： A bone fixation system with variable z-axis translation is provided. The system includes an outer tulip coupled to a bone fastener via a screw retainer. An inner tulip is coupled to the outer tulip such that the inner tulip is longitudinally movably relative to the outer tulip. The inner tulip includes a lock that provides a seat for a connecting rod. The inner tulip together with a seated rod is permitted to translate along the z-axis inside the outer tulip when in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The z-axis position of the inner tulip and rod relative to the outer tulip is fixed in a locked position. Also, in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw.
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公开(公告)号：US10881434B2
公开(公告)日：2021-01-05
申请号：US15230190
申请日：2016-08-05
申请人： VERTISCREW, LLC
摘要： A bone fixation system with variable z-axis translation is provided. The bone fixation system includes an outer tulip coupled to a bone fastener. An inner tulip, which provides a seat for an elongate fixation rod, is located inside the outer tulip. The inner tulip together with a seated rod is permitted to translate along the z-axis in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The bone fixation system includes a locked position in which the z-axis position of the inner tulip and rod relative to the outer tulip is fixed. Also in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw or independently by rotation of the inner tulip relative to the outer tulip.
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公开(公告)号：US09579125B2
公开(公告)日：2017-02-28
申请号：US14940034
申请日：2015-11-12
申请人： VertiScrew, LLC
CPC分类号： A61B17/7035 , A61B17/7032 , A61B17/7037 , A61B17/7085 , A61B17/7086 , A61B17/7091 , A61B17/862 , A61B17/8883
摘要： A bone fixation system with variable z-axis translation is provided. The system includes an outer tulip coupled to a bone fastener via a screw retainer. An inner tulip is coupled to the outer tulip such that the inner tulip is longitudinally movably relative to the outer tulip. The inner tulip includes a lock that provides a seat for a connecting rod. The inner tulip together with a seated rod is permitted to translate along the z-axis inside the outer tulip when in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The z-axis position of the inner tulip and rod relative to the outer tulip is fixed in a locked position. Also, in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw.
摘要翻译： 提供了具有可变z轴平移的骨固定系统。 该系统包括通过螺钉保持器联接到骨紧固件的外部郁金香。 内部的郁金香联接到外部的郁金香，使得内部的郁金香相对于外部的郁金香纵向移动。 内部的郁金香包括提供用于连杆的座的锁。 当处于未锁定位置时，内部郁金香与座位杆一起被允许沿着外部郁金香的z轴平移。 同样在解锁位置，骨紧固件相对于外部的郁金香自由地成角度。 内部郁金香和杆相对于外部的郁金香的z轴位置固定在锁定位置。 此外，在锁定位置，骨紧固件相对于外部的郁金香被锁定。 系统可以通过固定螺丝在锁定位置和解锁位置之间进行调节。
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公开(公告)号：US09451991B2
公开(公告)日：2016-09-27
申请号：US14175058
申请日：2014-02-07
CPC分类号： A61B17/7035 , A61B17/7032 , A61B17/7085 , A61B17/7086 , A61B17/7091 , A61B17/862 , A61B17/8883
摘要： A bone fixation system with variable z-axis translation is provided. The bone fixation system includes an outer tulip coupled to a bone fastener. An inner tulip, which provides a seat for an elongate fixation rod, is located inside the outer tulip. The inner tulip together with a seated rod is permitted to translate along the z-axis in an unlocked position. Also in the unlocked position, the bone fastener is free to angulate relative to the outer tulip. The bone fixation system includes a locked position in which the z-axis position of the inner tulip and rod relative to the outer tulip is fixed. Also in the locked position, the bone fastener is locked with respect to the outer tulip. The system may be adjusted between the locked and unlocked positions by way of a set screw or independently by rotation of the inner tulip relative to the outer tulip.
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