CN101856260B - Dynamic non-fusion connector - Google Patents

Dynamic non-fusion connector Download PDF

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Publication number
CN101856260B
CN101856260B CN 201010206730 CN201010206730A CN101856260B CN 101856260 B CN101856260 B CN 101856260B CN 201010206730 CN201010206730 CN 201010206730 CN 201010206730 A CN201010206730 A CN 201010206730A CN 101856260 B CN101856260 B CN 101856260B
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CN
China
Prior art keywords
fusion
dynamic
dynamic non
hole
fusion connector
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CN 201010206730
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Chinese (zh)
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CN101856260A (en
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朱军磊
樊国平
白云生
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北京市富乐科技开发有限公司
胡桓宇
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Publication of CN101856260A publication Critical patent/CN101856260A/en
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Publication of CN101856260B publication Critical patent/CN101856260B/en

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Abstract

The invention relates to a dynamic non-fusion connector which belongs to the field of medical apparatuses. The dynamic non-fusion connector is matched with spinal screws and used for treating diseases of spinal instability, deformity, spondylolisthesis, spinal canal stenosis, fracture, and the like. The dynamic non-fusion connector comprises a spring shaft (1), a limit sleeve (2), a limit core (3), a stud (4) and a fixed shaft (5) and is characterized in that the left end of the spring shaft (1) adopts a polished rod design and is provided with an internal thread through hole, and the right end of the spring shaft (1) adopts an annular spring structure and is provided with a step hole, and gaps and small circular holes are arranged among rings of the annular spring structure; and a tapered face, a step cylinder surface and a notch are arranged on the outer surface of the limit sleeve (2), and a step through-hole is arranged in the center of the limit sleeve (2). An application method of the dynamic on-fusion connector comprises the following steps of: firstly determining the embedded depth and orientation of the spinal screws and the length of the dynamic non-fusion connector, drilling a hole, holding the spinal screw, embedding into a vertebral body, embedding other spinal screws, then embedding the dynamic non-fusion connector, screwing a top thread in, and compressing the dynamic non-fusion connector to a final locking position so as to realize the dynamic non-fusion fixing of a system.

Description

动态非融合连接器 Dynamic non-fusion connector

技术领域 FIELD

[0001] 本发明涉及一种动态非融合连接器,属于医疗器械领域,该动态非融合连接器与脊柱钉配合使用,用于治疗脊柱不稳、畸形、滑脱、椎管狭窄、骨折等疾病。 [0001] The present invention relates to a dynamic non-fusion connectors, belonging to the surgical field, the dynamic non-fusion with the connector and the pedicle screw, for the treatment of spinal instability and deformities, spondylolisthesis, spinal stenosis, fractures and other diseases.

背景技术 Background technique

[0002] 脊柱不稳、畸形、滑脱、椎管狭窄、骨折等疾病给人们的生活和社会工作造成严重不便。 [0002] spinal instability, deformity, spondylolisthesis, spinal stenosis, fractures and other diseases causing serious inconvenience to people's lives and social work. 脊柱不稳能产生轴面上的局部下腰痛和假性放射痛,以及放射痛和神经功能障碍。 Spinal instability under partial axial face to produce the pseudo radiating pain and back pain, as well as radiating pain and neurological disorders. 骨科治疗脊柱不稳、畸形、滑脱、椎管狭窄、骨折等疾病,进行后路手术时,多采用钉棒系统实施内固定:A0 SYTHNES 的USS 脊柱通用系统! Orthopedic treatment of spinal instability and deformities, spondylolisthesis, spinal stenosis, fractures and other diseases, when posterior surgery, the use of pedicle screw fixation embodiments: A0 SYTHNES the USS spinal general system! Medtronic Sofamor Danek 的CD HORIZON 系统等。 Medtronic Sofamor Danek's CD HORIZON system. 这些器械具有安全可靠、性能稳定、操作简单等特点,但均为融合固定、椎间活动度严重受限、脊柱相邻节段退行性病变严重、相对较高的并发症等弊端。 These instruments have a safe, reliable, stable performance, simple operation, but both fusion and fixation, interbody activity severely limited, spine adjacent segment degeneration serious, relatively high complication and other defects.

发明内容 SUMMARY

[0003] 本发明正是在保留现有技术优点的前提下,克服其弊端,提供一种适合国人体型,具有构造合理、安全可靠、操作简单、动态非融合固定、设计先进的优点。 [0003] The present invention has been made that retain the advantages of the prior art, to overcome its drawbacks, there is provided a body suitable for people with a reasonable structure, safe, reliable, easy to operate, the dynamic non-fusion fixation, advanced design advantages.

[0004] 本发明的技术方案如下: [0004] aspect of the present invention is as follows:

[0005] 动态非融合连接器,由弹簧轴(I)、限位套(2)、限位芯(3)、螺柱(4)、固定轴(5)组成,其特征在于:弹簧轴(I)左端为光杆设计且有内螺纹通孔,右端内表面有台阶孔,且右端为环状弹簧结构,相邻环间有间隙且交接处有小圆孔;限位套(2)外表面有锥面和台阶柱面,左端沿着锥面有4处均布开槽,中心为台阶通孔,限位套(2)、限位芯(3)、固定轴 [0005] The dynamic non-fused connector by the spring axis (the I), the stopper sleeve (2), the limit of the core (3), stud (4), a fixed shaft (5), characterized in that: the spring shaft ( I) and the left rod is designed to have an internally threaded through hole, the inner surface of the right end of the stepped hole, an annular spring structure and a right end, there is a gap between adjacent rings and junction with a small hole; (2) an outer surface of the stopper sleeve a tapered surface and a stepped cylinder, the left along the tapered surface has a uniform slot 4, the central through hole is stepped, the stopper sleeve (2), the limit of the core (3), the fixed shaft

[5]置入弹簧轴(I)中,弹簧轴(I)、限位套(2)、固定轴(5)通过螺柱(4)固定在一起,动态非融合连接器轴向可以伸缩和扭转,侧向可以弯曲,通过限位套(2)、限位芯(3)能够实现过载限位功能。 [5] into the spring axis (I), the spring axis (I), the stopper sleeve (2), a fixed shaft (5) secured together, the dynamic non-fusion axially through the connector stud (4) and can be telescoped twist, can be bent sideways by the stopper sleeve (2), the limit of the core (3) can be realized overload limit function.

[0006] 弹簧轴(I):右端为环状弹簧结构,相邻环间有间隙且交接处有小圆孔,可提供一定的活动度,实现动态非融合固定,弹簧轴(I)可设计出多种规格。 [0006] The spring axis (I): the right end of an annular spring structure, and adjacent to a gap with a small hole junction, can provide some degree of activity, non-dynamic integration between fixed ring, the spring axis (I) can be designed a variety of specifications.

[0007] 限位套(2):外表面有锥面和台阶柱面,左端沿着锥面有4处均布开槽,中心为台阶通孔,限位套(2)、限位芯(3)、固定轴(5)置入弹簧轴⑴中,弹簧轴(I)、限位套⑵、固定轴(5)通过螺柱(4)固定在一起,提供一定的活动度,实现动态非融合固定。 [0007] The stopper sleeve (2): a tapered surface and an outer surface of a stepped cylinder, the left along the tapered surface has a uniform slot 4, the central through hole is stepped, the stopper sleeve (2), the limit of the core ( 3), a fixed shaft (5) into the shaft ⑴ spring, the spring axis (the I), the stopper sleeve ⑵, fixed shaft (5) 4) secured together by studs (provided certain activity, non-dynamic fusion and fixation.

[0008] 限位芯(3):左端有圆弧倒角,环形凹槽,且环形凹槽左右两端均为锥面,左端端面有一字凹槽,右端有螺纹、环形凹槽、台阶,限位芯(3)可根据需要设计出多种规格。 [0008] limit of the core (3): left end chamfered, annular groove, the annular groove and are tapered at both ends of the left and right, the left end surface has recesses word, the right end is threaded, an annular groove, step, stopper core (3) according to the need to design specifications.

[0009] 固定轴(5):为台阶杆状,固定轴(5)可根据需要设计出多种规格。 [0009] The fixed shaft (5): a stepped rod, fixed shaft (5) can be designed according to required specifications.

[0010] 通过术前CT或X光等诊断脊椎病症,实施脊椎后路手术:切除或清理损伤的椎间盘和椎体节段,根据患者主诉和诊断结果确定需要固定节段、所用内植入物包括脊柱钉和动态非融合连接器的尺寸和数量。 [0010] Preoperative diagnosis of spinal disorders or X-ray CT and the like, posterior spinal surgical embodiment: removal of a damaged disc and cleaning and or vertebral segments, and the patient complained of diagnosis determines that the fixed section, within the implants including the size and number of non-fusion connectors and dynamic pedicle screw. 首先确定脊柱钉植入的深度和方位,以及动态非融合连接器的长度,在椎体上实施钻孔,持取脊柱钉,使其牢固的嵌入椎体中,用同样的方法植入其他脊柱钉;植入并调整动态非融合连接器至适当位置;依次拧入顶丝,压紧动态非融合连接器到最终锁紧位置,实现系统的动态非融合固定。 First determining pedicle screw implantation depth and orientation, and the length of the dynamic non-fusion connector, the vertebral body in the borehole embodiment, taken pedicle screw holding it securely embedded in the vertebral body, other spinal implant in the same manner staple; non-fusion implants and dynamically adjusted to the appropriate position connector; turn screwed top wire, non-dynamic compression connector fused to the final locking position, the dynamic non-fusion fixation system.

[0011] 动态非融合连接器可以提供一定的活动度并提供后路足够的支撑,组织相容性好,耐磨损。 [0011] Non-dynamic fusion connector may provide a posterior activity and provide adequate support, tissue compatibility, abrasion resistance. 通过提供接近生理状态的活动度及后路的支撑,控制引起疼痛的异常活动,从而达到缓解临床症状和防止退变进行性加重,甚至促进椎间盘修复的目的。 By providing access to the support activity and physiological state posterior to control pain caused by abnormal activity, so as to achieve remission of clinical symptoms and preventing degeneration progressive increase, and even the purpose of promoting repair of the intervertebral disc.

[0012] 动态非融合连接器构造合理、安全可靠、操作简单、动态非融合固定、设计先进,适宜于骨科临床推广应用。 [0012] dynamic non-fusion connector reasonable structure, safe, reliable, simple, dynamic non-fusion fixation, advanced design, suitable for orthopedic clinic. 动态非融合连接器通过提供接近生理状态的载荷传导和控制异常的位移可消除引起椎间盘源性腰痛的异常应力,缓解疼痛,并能减轻甚至避免相邻节段的退变。 Dynamic non-fusion connector conduction and control by providing a load state close to physiological abnormalities caused by abnormal stress displacement eliminate discogenic low back pain, and pain relief and can reduce or even prevent degeneration of adjacent segments.

附图说明 BRIEF DESCRIPTION

[0013] 图I为本发明的动态非融合连接器结构图。 [0013] Figure I of the present invention the non-dynamic fusion junction structure of FIG.

[0014] 图2为本发明的弹簧轴⑴的结构图。 [0014] FIG configuration diagram of the spring shaft 2 of the present invention ⑴.

[0015] 图3为本发明的弹簧轴(I)的环形弹簧展开结构图。 [0015] The annular springs axis (I) of the present invention. FIG. 3 deployed configuration in FIG.

[0016] 图4为本发明的限位套(2)结构图。 [0016] The stopper sleeve of the present invention FIG. 4 (2) structure of FIG.

[0017] 图5为本发明的限位芯(3)结构图。 [0017] FIG. 5 limit the present invention, the core (3) Structure FIG.

[0018] 图6为本发明的螺柱⑷结构图。 [0018] FIG. 6 studs ⑷ structure of the present invention.

[0019] 图7为本发明的固定轴(5)结构图。 (5) Configuration [0019] FIG. 7 is fixed to the shaft of the present invention.

具体实施方式 Detailed ways

[0020] 下面结合附图对本发明作进一步说明。 [0020] The following drawings in conjunction with the present invention will be further described.

[0021] 动态非融合连接器,由弹簧轴(I)、限位套(2)、限位芯(3)、螺柱(4)、固定轴(5)组成,其特征在于:弹簧轴(I)左端为光杆设计且有内螺纹通孔,右端内表面有台阶孔,且右端为环状弹簧结构,相邻环间有间隙且交接处有小圆孔;限位套(2)外表面有锥面和台阶柱面,左端沿着锥面有4处均布开槽,中心为台阶通孔,限位套(2)、限位芯(3)、固定轴(5)置入弹簧轴(I)中,弹簧轴(I)、限位套(2)、固定轴(5)通过螺柱(4)固定在一起,动态非融合连接器轴向可以伸缩和扭转,侧向可以弯曲,通过限位套(2)、限位芯(3)能够实现过载限位功能。 [0021] The dynamic non-fused connector by the spring axis (the I), the stopper sleeve (2), the limit of the core (3), stud (4), a fixed shaft (5), characterized in that: the spring shaft ( I) and the left rod is designed to have an internally threaded through hole, the inner surface of the right end of the stepped hole, an annular spring structure and a right end, there is a gap between adjacent rings and junction with a small hole; (2) an outer surface of the stopper sleeve a tapered surface and a stepped cylinder, the left along the tapered surface has a uniform slot 4, the central through hole is stepped, the stopper sleeve (2), the limit of the core (3), a fixed shaft (5) into the spring shaft (I), the spring axis (I), the stopper sleeve (2), a fixed shaft (5) (4) secured together by a stud, the dynamic non-fusion connector and axially retractable twist, can be bent sideways, by the stopper sleeve (2), the limit of the core (3) can be realized overload limit function. 首先确定脊柱钉植入的深度和方位,以及动态非融合连接器的长度,在椎体上钻孔,持取脊柱钉,使其牢固的嵌入椎体中,用同样的方法植入其他脊柱钉;植入并调整动态非融合连接器至适当位置;依次拧入顶丝,压紧动态非融合连接器到最终锁紧位置,实现系统的动态非融合固定。 First determining pedicle screw implantation depth and orientation, and the length of the dynamic non-fusion connector, drilled in the vertebral body, pedicle screw holders take it securely embedded in the vertebral body, pedicle screw implanted in the other in the same manner ; non-fusion implants and dynamically adjusted to the appropriate position connector; turn screwed top wire, non-dynamic compression connector fused to the final locking position, the dynamic non-fusion fixation system.

Claims (3)

1.动态非融合连接器,由弹簧轴(I)、限位套(2)、限位芯(3)、螺柱(4)、固定轴(5)组成,其特征在于:弹簧轴(I)左端为光杆设计且有内螺纹通孔,右端内表面有台阶孔,且右端为环状弹簧结构,相邻环间有间隙且交接处有小圆孔;限位套(2)外表面有锥面和台阶柱面,左端沿着锥面有4处均布开槽,中心为台阶通孔,限位套(2)、限位芯(3)、固定轴(5)置入弹簧轴(I)中,弹簧轴(I)、限位套(2)、固定轴(5)通过螺柱(4)固定在一起,动态非融合连接器轴向可以伸缩和扭转,侧向可以弯曲,通过限位套(2)、限位芯(3)能够实现过载限位功能。 1. Dynamic Non-fusion connector by the spring axis (I), the stopper sleeve (2), the limit of the core (3), stud (4), a fixed shaft (5), characterized in that: the spring axis (I ), and the left rod is designed internally threaded through hole, the inner surface of the right end of the stepped hole, an annular spring structure and a right end with a gap between the ring and has a small hole adjacent to the junction; stopper sleeve (2) has an outer surface and a step tapered cylinder, a left end along the tapered surface has a uniform slot 4, the central through hole is stepped, the stopper sleeve (2), the limit of the core (3), a fixed shaft (5) into the spring shaft ( I), the spring axis (I), the stopper sleeve (2), a fixed shaft (5) by a stud (4) secured together, the dynamic non-fusion connector and axially retractable twist, can be bent sideways, by stopper sleeve (2), the limit of the core (3) can be realized overload limit function.
2.根据权利要求I所述的动态非融合连接器,其特征在于,所述的限位芯(3)左端有圆弧倒角,环形凹槽,且环形凹槽左右两端均为锥面,左端端面有一字凹槽,右端有螺纹、环形凹槽、台阶,限位芯⑶根据需要设计出多种规格。 The dynamic I said non-fusion connector, wherein said stopper core (3) has left chamfered annular groove, and the left and right ends are tapered annular recess claim , the left end surface has recesses word, the right end is threaded, an annular groove, step, stop ⑶ core design specifications required.
3.根据权利要求I所述的动态非融合连接器,其特征在于,所述的固定轴(5)为台阶杆状,固定轴(5)根据需要设计出多种规格。 The dynamic I said non-fusion connector, wherein said fixed shaft (5) is a stepped rod, fixed shaft (5) The need to design specifications claims.
CN 201010206730 2010-06-23 2010-06-23 Dynamic non-fusion connector CN101856260B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732084A (en) 2008-11-06 2010-06-16 郑诚功 Minimally invasive intervertebral fusion cage and implanting device
CN201692035U (en) 2010-06-23 2011-01-05 北京市富乐科技开发有限公司;胡桓宇 Dynamic non-fusion connector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002218099B2 (en) * 2001-12-07 2006-04-27 Synthes Gmbh Damping element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101732084A (en) 2008-11-06 2010-06-16 郑诚功 Minimally invasive intervertebral fusion cage and implanting device
CN201692035U (en) 2010-06-23 2011-01-05 北京市富乐科技开发有限公司;胡桓宇 Dynamic non-fusion connector

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