CN102860888A - Integral lumbar intervertebral titanium plate fusion apparatus - Google Patents

Integral lumbar intervertebral titanium plate fusion apparatus Download PDF

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Publication number
CN102860888A
CN102860888A CN2012103313668A CN201210331366A CN102860888A CN 102860888 A CN102860888 A CN 102860888A CN 2012103313668 A CN2012103313668 A CN 2012103313668A CN 201210331366 A CN201210331366 A CN 201210331366A CN 102860888 A CN102860888 A CN 102860888A
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China
Prior art keywords
titanium plate
fusion device
lumbar intervertebral
tapped
support section
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CN2012103313668A
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CN102860888B (en
Inventor
戎利民
杜江新
董健文
陆松
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Third Affiliated Hospital Sun Yat Sen University
Apex Guangzhou Tools and Orthopedics Co Ltd
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Third Affiliated Hospital Sun Yat Sen University
Apex Guangzhou Tools and Orthopedics Co Ltd
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Priority to CN201210331366.8A priority Critical patent/CN102860888B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Neurology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses an integral lumbar intervertebral titanium plate fusion apparatus, which comprises a fusion apparatus body consisting of a left support section, a right support section and a threaded section, wherein the end face of the left support section is provided with a titanium plate which is integrally molded with the fusion apparatus body; the middle part of the titanium plate is provided with a fusion apparatus holding interface; and threaded through holes are formed symmetrically in both sides of an accommodating device interface, and are positioned in both sides of the threaded section provided with screw threads. The titanium plate is integrally molded with the fusion apparatus body, so that aligning operation for accommodating the titanium plate through an accommodating device is eliminated, the surgery time is shortened, the surgical operation is simplified, and reduction in operation wounds is facilitated.

Description

Integrated lumbar intervertebral titanium plate fusion device
Technical field
The present invention relates to Invasive lumbar fusion device, be specifically related to integrated lumbar intervertebral titanium plate fusion device.
Background technology
The lumbago that the lumbar intervertebral disc degeneration causes is a kind of common disease that affects modern humans's health, and minimally invasive spine surgical is an extremely important treatment means of this disease for the treatment of.Existing minimally invasive spine surgical is of a great variety, wherein fusion (XLIF) has the advantages such as otch is little, wound is little, postoperative pain is few, the hospital stays is short, rehabilitation is fast between a kind of Far lateral approach lumbar vertebra, utilize between this lumbar vertebra fusion to implant Invasive lumbar fusion device at intervertebral space, can effectively recover disc height and intervertebral foramina volume, be conducive to disperse load-bearing stress, reduce the bone grafting pressure.
Conventional Invasive lumbar fusion device comprises left support section, right support section, and the thread segment between left and right supporting section, and left support section, thread segment and right support section consist of the hexahedron of hollow, be called the fusion device body, wherein, the two sides of thread segment has the dentation screw thread, is used for increasing grasping force.In the application of fusion, Invasive lumbar fusion device also need be furnished with fixing head between lumbar vertebra, is generally the titanium plate, by the titanium plate fixing Invasive lumbar fusion device is fixed, and the titanium plate has the fusion device that placement device grasps (controlling) usefulness and controls interface.First Invasive lumbar fusion device is implanted intervertebral space, grasps the titanium plate by placement device again, find the fixed position accurately after, by screw titanium plate and Invasive lumbar fusion device are fixed, and Invasive lumbar fusion device are locked on the vertebral body.
Yet, can effectively reduce the overall mobility of lumbar vertebra although implant merely the Invasive lumbar fusion device of maximum area, reliable, lasting stablizing can not be provided.Although namely Invasive lumbar fusion device is implanted from the vertebral body side, in most cases need to assist simultaneously posterior Pedicle nail rod to be fixed, brought posterior approach wound and operating time.
Even directly implant common fixing head in the vertebral body side, there is not following problem and do not adopt way of escape road pedicle screw-rod to assist and fix: operate limited space under the lateral approach convergent divergent channel yet, its operative region that appears mainly is that target intervertebral disc side and part are close to up and down the vertebral body side, can't fully appear contiguous vertebral body side, this is so that after implanting Invasive lumbar fusion device, implant common fixing head by placement device again and be difficult to find accurately the fixed position, also so that the fixing operating difficulties of screw, prolong operating time, increased operation wound.
Summary of the invention
Technical problem to be solved by this invention just provides the integrated lumbar intervertebral titanium plate fusion device that a kind of operation technique is simplified.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is as follows:
A kind of integrated lumbar intervertebral titanium plate fusion device, comprise the fusion device body that left support section, right support section and thread segment consist of, the end face of described left support section has the titanium plate with fusion device body integrated molding, this titanium plate middle part offers fusion device and controls interface, and offering tapped through hole in described placement device interface lateral symmetry, described tapped through hole is positioned at the threaded both sides of thread segment tool.
Integrated lumbar intervertebral titanium plate fusion device of the present invention is furnished with two screws with the tapped through hole coupling, and is upper fixing this integrated lumbar intervertebral titanium plate fusion device is locked in vertebral body.
The aperture of tapped through hole of the present invention is 5.5mm～7mm, and the center distance of described two tapped through holes is 24.5mm～28mm, guaranteeing that screw is unlikely to be locked on the intervertebral space, and makes screw lock fix on the hardest part of sclerotin under the terminal plate of vertebral body.
Titanium plate ovalize of the present invention, this oval-shaped major axis is 36.5mm～41mm, to reduce taking up space of this integrated lumbar intervertebral titanium plate fusion device, avoids surrounding tissue is caused compressing.
Compared with prior art, the present invention has following advantage:
(1) titanium plate of the present invention and fusion device body integrated molding, saved the alignment function of placing the titanium plate by placement device, can be applied to XLIF separately and need not to assist the way of escape to fix, thereby simplification operation technique, shortened operating time and reduced the implantation difficulty of fusion device, thereby reduced operation wound and reduced surgery cost;
(2) tapped through hole pitch-row of the present invention can guarantee that the locking of screw is firm, stable, to obtain higher postoperative fusion rate, has increased the stability of Fusion levels;
(3) elliptical shape of titanium plate of the present invention and less major axis dimension have reduced operation wound so that need not too much to peel off and expose the vertebral body side and process the vertebral body segmental vessels.
Description of drawings
Fig. 1 is the structural representation axonometric chart of titanium plate fusion device of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the front view that Fig. 1 is furnished with screw;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 is the right view of Fig. 1.
Among the figure: 1, fusion device body; 101, cavity; 102, screw thread; 103, through hole; 11, titanium plate; 111, fusion device is controlled interface; 112, tapped through hole; 2, screw.
The specific embodiment
Embodiment one
Such as Fig. 1, integrated lumbar intervertebral titanium plate fusion device shown in Figure 5, it comprises the fusion device body 1 that left support section, right support section and thread segment consist of, and the profile of fusion device body 1 and the contact surface of terminal plate of vertebral body are complementary.Have cavity 101 in the fusion device body 1, the two sides of thread segment has the screw thread 102 for the dentation of strengthening grasping force, offers through hole 103 at left support section, right support section, thread segment and is communicated with cavity 101, for entering of the materials such as osteocyte.
Have titanium plate 11 with fusion device body 1 integrated molding at the end face of left support section, namely titanium plate 11 and fusion device body 1 integrated molding grasp the operation that titanium plate 11 is aimed at fixed positions to save with placement device, shorten operating time, reduce operation wound.
The integrated lumbar intervertebral titanium plate fusion device of the present embodiment is applicable to the less crowd of skeleton, such as Fig. 2, shown in Figure 4, titanium plate 11 is arranged to ellipse, this oval-shaped major axis dimension is 36.5mm, minor axis dimension is 14mm, and fusion device body 1 width, highly all be arranged to less than oval major axis dimension, occupied space when implanting intervertebral space to reduce this integrated lumbar intervertebral titanium plate fusion device with length direction, in order to can operate by vertical XLIF service aisle, avoid the wound that compressing causes to surrounding tissue.Offer fusion device at titanium plate 11 middle parts and control interface 111, be used for placement device and grasp whole titanium plate fusion device.Control interface 111 lateral symmetry at fusion device and offer tapped through hole 112, tapped through hole 112 apertures are 5.5mm.As shown in Figure 3, the integrated lumbar intervertebral titanium plate fusion device of the present embodiment is furnished with two screws 2 with tapped through hole 112 couplings, upper fixing this integrated lumbar intervertebral titanium plate fusion device is locked in vertebral body, two screws, 2 external diameters that mate with tapped through hole 112 are 5.5mm.The center distance of two tapped through holes 112 is 24.5mm, is unlikely to be locked on the intervertebral space with assurance screw 2, and makes screw 2 be locked in the hardest part of sclerotin under the terminal plate of vertebral body.Tapped through hole 112 is positioned at the both sides that thread segment has screw thread 102, forms titanium plate 11 and fusion device body 1 orthogonal structure, is beneficial to the firm locking of screw 2.
When this integrated lumbar intervertebral titanium plate fusion device uses, controlling interface 111 by the operation handle of placement device with fusion device firmly is connected, this fusion device is implanted interbody space exactly, integrated design is so that the titanium plate also is implanted in the vertebral body side simultaneously exactly, and tapped through hole 112 also is positioned bony site under the contiguous terminal plate of vertebral body exactly up and down, can remove the operation handle of placement device this moment, again by guider sheath pipe, screw 2 also can be implanted exactly, pass the side that tapped through hole 112 is locked in the titanium plate upper hypocentrum, thereby by this integrated lumbar intervertebral titanium plate fusion device the fusion of target lumbar motion segment is fixed as an integral body, simple to operate, convenient.
Embodiment two
The present embodiment two is with the difference of embodiment one: the integrated lumbar intervertebral titanium plate fusion device of the present embodiment is applicable to the larger crowd of skeleton, wherein, the oval major axis dimension of titanium plate 11 is 41mm, minor axis dimension is 14mm, and fusion device body 1 width of the present embodiment, highly all be arranged to less than oval major axis dimension, than the contact area of embodiment one more large-area titanium plate 11 for increasing titanium plate 11 and vertebral body, on the less basis that takes up space, increased fixing stability.The aperture of two tapped through holes 112 is 7mm on the titanium plate 11, and the center distance of two tapped through holes 112 is 28mm, and correspondingly, two screws, 2 external diameters that mate with tapped through hole 112 are 7mm, to adapt to the locking of vertebral body the greater.
Embodiments of the present invention are not limited to this; according to foregoing of the present invention; utilize ordinary skill knowledge and the customary means of this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; the present invention can also make modification, replacement or the change of other various ways, all drops within the rights protection scope of the present invention.

Claims (4)

1. integrated lumbar intervertebral titanium plate fusion device, comprise the fusion device body (1) that left support section, right support section and thread segment consist of, it is characterized in that: the end face of described left support section has the titanium plate (11) with fusion device body (1) integrated molding, this titanium plate (11) middle part offers placement device interface (111), and offering tapped through hole (112) in described placement device interface (111) lateral symmetry, described tapped through hole (112) is positioned at the both sides that thread segment has screw thread (102).
2. integrated lumbar intervertebral titanium plate fusion device according to claim 1 is characterized in that: described integrated lumbar intervertebral titanium plate fusion device is furnished with two screws (2) with tapped through hole (112) coupling.
3. integrated lumbar intervertebral titanium plate fusion device according to claim 2, it is characterized in that: the aperture of described tapped through hole (112) is 5.5mm～7mm, and the center distance of described two tapped through holes (112) is 24.5mm～28mm.
4. each described integrated lumbar intervertebral titanium plate fusion device according to claim 1-3, it is characterized in that: described titanium plate (11) ovalize, this oval-shaped major axis is 36.5mm～41mm.
CN201210331366.8A 2012-09-07 2012-09-07 Integration lumbar intervertebral titanium plate fusion device Active CN102860888B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103431927A (en) * 2013-08-09 2013-12-11 朱悦 Lumbar zygapophyseal joint fusion device
CN103610522A (en) * 2013-12-12 2014-03-05 广州聚生生物科技有限公司 Lumbar vertebra posterior approach fusion device
CN103720527A (en) * 2014-01-26 2014-04-16 北京大学第三医院 Joint fusion cage
CN103919633A (en) * 2014-04-17 2014-07-16 泰州市中兴医械科技有限公司 Combined type spine minimally invasive fusion device
US8940030B1 (en) 2011-01-28 2015-01-27 Nuvasive, Inc. Spinal fixation system and related methods
CN104367402A (en) * 2014-11-12 2015-02-25 杨述华 Self-stabilizing cervical interbody fusion cage and manufacturing die and method thereof
CN104546231A (en) * 2015-01-27 2015-04-29 范伟力 Adaptive floating combined cervical interbody fusion cage
CN106175999A (en) * 2016-08-30 2016-12-07 蒋毅 A kind of Invasive lumbar fusion device self-locking rock-steady structure
CN110236745A (en) * 2019-05-09 2019-09-17 中国人民解放军陆军军医大学第一附属医院 Lumbar intervertebral fusion device with self-locking fixed function
CN110368150A (en) * 2019-08-22 2019-10-25 上海长征医院 A kind of centrum plyability repair system
CN111904672A (en) * 2020-09-04 2020-11-10 郝晓艳 Intervertebral fusion cage

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US6156037A (en) * 1998-10-28 2000-12-05 Sdgi Holdings, Inc. Anterior lateral spine cage-plate fixation device and technique
CN101330884A (en) * 2005-12-05 2008-12-24 斯宾阿特有限公司 Cages for setting and intersomatically fusing vertebrae
US20100004747A1 (en) * 2008-07-07 2010-01-07 Jin-Fu Lin Trans-Vertebral and Intra-Vertebral Plate and Fusion Cage Device for Spinal Interbody Fusion and Method of Operation
KR20100116331A (en) * 2009-04-22 2010-11-01 주식회사 위노바 Artificial disk for anterior lumbar interbody fusion
US8147521B1 (en) * 2005-07-20 2012-04-03 Nuvasive, Inc. Systems and methods for treating spinal deformities

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6156037A (en) * 1998-10-28 2000-12-05 Sdgi Holdings, Inc. Anterior lateral spine cage-plate fixation device and technique
US8147521B1 (en) * 2005-07-20 2012-04-03 Nuvasive, Inc. Systems and methods for treating spinal deformities
CN101330884A (en) * 2005-12-05 2008-12-24 斯宾阿特有限公司 Cages for setting and intersomatically fusing vertebrae
US20100004747A1 (en) * 2008-07-07 2010-01-07 Jin-Fu Lin Trans-Vertebral and Intra-Vertebral Plate and Fusion Cage Device for Spinal Interbody Fusion and Method of Operation
KR20100116331A (en) * 2009-04-22 2010-11-01 주식회사 위노바 Artificial disk for anterior lumbar interbody fusion

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9504584B1 (en) 2011-01-28 2016-11-29 Nuvasive, Inc. Spinal fusion implant and related methods
US9913730B1 (en) 2011-01-28 2018-03-13 Nuvasive, Inc. Spinal fixation system and related methods
US8940030B1 (en) 2011-01-28 2015-01-27 Nuvasive, Inc. Spinal fixation system and related methods
CN103431927A (en) * 2013-08-09 2013-12-11 朱悦 Lumbar zygapophyseal joint fusion device
CN103610522A (en) * 2013-12-12 2014-03-05 广州聚生生物科技有限公司 Lumbar vertebra posterior approach fusion device
CN103720527A (en) * 2014-01-26 2014-04-16 北京大学第三医院 Joint fusion cage
CN103720527B (en) * 2014-01-26 2016-02-10 北京大学第三医院 A kind of joint fusion cage
CN103919633A (en) * 2014-04-17 2014-07-16 泰州市中兴医械科技有限公司 Combined type spine minimally invasive fusion device
CN104367402A (en) * 2014-11-12 2015-02-25 杨述华 Self-stabilizing cervical interbody fusion cage and manufacturing die and method thereof
CN104367402B (en) * 2014-11-12 2017-01-25 杨述华 Self-stabilizing cervical interbody fusion cage and manufacturing die and method thereof
CN104546231A (en) * 2015-01-27 2015-04-29 范伟力 Adaptive floating combined cervical interbody fusion cage
CN106175999B (en) * 2016-08-30 2018-02-27 蒋毅 A kind of Invasive lumbar fusion device self-locking rock-steady structure
CN106175999A (en) * 2016-08-30 2016-12-07 蒋毅 A kind of Invasive lumbar fusion device self-locking rock-steady structure
CN110236745A (en) * 2019-05-09 2019-09-17 中国人民解放军陆军军医大学第一附属医院 Lumbar intervertebral fusion device with self-locking fixed function
CN110236745B (en) * 2019-05-09 2024-06-18 中国人民解放军陆军军医大学第一附属医院 Lumbar interbody fusion cage with self-locking fixing function
CN110368150A (en) * 2019-08-22 2019-10-25 上海长征医院 A kind of centrum plyability repair system
CN111904672A (en) * 2020-09-04 2020-11-10 郝晓艳 Intervertebral fusion cage

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