CN105596073B - Intervertebral fixation device and intervertebral fixed system - Google Patents

Intervertebral fixation device and intervertebral fixed system Download PDF

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Publication number
CN105596073B
CN105596073B CN201610069918.0A CN201610069918A CN105596073B CN 105596073 B CN105596073 B CN 105596073B CN 201610069918 A CN201610069918 A CN 201610069918A CN 105596073 B CN105596073 B CN 105596073B
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China
Prior art keywords
hole
end
fixed plate
oblique
intervertebral
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CN201610069918.0A
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Chinese (zh)
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CN105596073A (en
Inventor
郑明辉
瞿东滨
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郑明辉
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Abstract

The invention discloses a kind of intervertebral fixation device and intervertebral fixed systems, intervertebral fixation device includes fixed plate, fixed plate has first end and second end, it is equipped in first end and second end for the first through hole that is directly passed through to pedicle nail, in first end or second end, at least one is equipped with the second through-hole passed through for oblique centrum fixing glue.The present invention effectively can be attached fixation to two neighboring vertebra section, and connection is reliable, and structure is simple.

Description

Intervertebral fixation device and intervertebral fixed system

Technical field

The invention belongs to medical instruments fields, and in particular to a kind of intervertebral fixation device and intervertebral fixed system.

Background technique

In existing spinal surgical procedures, it is often necessary to two vertebra sections are subjected to tension band principle and are connected and fixed, Huo Zhexu Fusion device, or both is placed in intervertebral merge utilization.Existing connection type is unreliable, can't be entirety, is easy to lead It causes to occur loosening or shifting between connected two vertebra sections, is unstable, influencing surgical effect.

Summary of the invention

It is an object of the invention to overcome the deficiencies of existing technologies, a kind of intervertebral fixation device and the fixed system of intervertebral are provided System.The present invention effectively can be attached fixation to two neighboring vertebra section, and connection is reliable, and structure is simple.

Its technical solution is as follows:

Intervertebral fixation device, including fixed plate, fixed plate have first end and second end, are all provided in first end and second end Have for the first through hole that is directly passed through to pedicle nail, in first end or second end, at least one is equipped with fixes for oblique centrum Follow closely across the second through-hole.

The further technical solution of the present invention is:

First through hole is vertical relative to the fixed plate, and the second through-hole is tilted relative to the fixed plate.

Second through-hole is two, and two the second through-holes are respectively arranged on the first end and second end of the fixed plate;The The front end of second through-hole of one end and second end is tilted to the centre direction of the fixed plate.

The extended line of two second the front end of the through hole mutually staggers.

The extended line of two second the front end of the through hole is located at two opposite sides in the centre of the fixed plate.

The first through hole is four, and two of them first through hole is set to first end, the another two first through hole of fixed plate Set on the second end of fixed plate;One of them second through-hole is set between two first through hole of fixed plate first end, another Second through-hole is set between two first through hole of fixed plate second end.

The fixed plate includes plate body and two oblique auricles, the connecting side of two oblique auricles and the first end of the plate body and Second end is affixed, the outside of two oblique auricles is tilted to plate body centre direction;The first through hole is set to plate body On, second through-hole is set on oblique auricle.

Intervertebral fixed system, including fusion device and intervertebral fixation device are equipped in first through hole directly to pedicle nail, Oblique centrum fixing glue is equipped in two through-holes;Fusion device is equipped with slanting relief hole, and fusion device is connect with fixed plate.

Between the first end and second end of the fixed plate position have fixed part, wherein one end of the fusion device with should Fixed part connection.

The fixed part is perforation, and the fusion device includes main body, connecting neck portion and rotatable collar, connecting neck portion and rotation After block piece passes through perforation, rotatable collar rotates and connect the fusion device with fixed plate.

Slanting relief hole is two on fusion device, central symmetry of two relief holes relative to the fusion device.

Advantages of the present invention or principle are illustrated below:

1, the fixed plate first end, second end of the intervertebral fixation device are equipped with first through hole, the second through-hole, are carrying out hand When art, first through hole, the second through-hole directly can will be passed through to pedicle of vertebral arch needle, company is fixed in two neighboring vertebra section to realize It connects;For the intensity and reliability for further increasing connection, the second through-hole is additionally provided in fixed plate, oblique centrum fixing glue passes through After second through-hole, two neighboring vertebra section is fixedly connected, in this way, two neighboring vertebra section can be not only attached in front side It is fixed, it can also be attached fixation in rear side, so that fixed reliability greatly improves.

2, for convenience of directly to the installation of pedicle nail, first through hole is vertical relative to the fixed plate;For convenience of oblique vertebra The installation of body fixing glue, the second through-hole are tilted relative to the fixed plate.

3, second through-hole is two, and two the second through-holes are respectively arranged on the first end and second end of the fixed plate; The front end of second through-hole of first end and second end is tilted to the centre direction of the fixed plate.At the time of surgery, Oblique centrum fixing glue is respectively provided in two the second through-holes, since its front end is tilted to fixed plate center, first oblique vertebra Body fixing glue extends from the rear side of the front side of top vertebra section vertebra section downwards, second oblique centrum fixing glue vertebra section from below Front side upwards vertebra section rear side extend;In this way, being consolidated between two neighboring vertebra section by two oblique centrum fixing glues Connection structure.

4, the extended line of two second the front end of the through hole mutually staggers.Two oblique centrum fixing glues are avoided to intersect dry It relates to, the bone tissue to vertebra section is also avoided to cause to damage, it is furthermore preferred that two oblique centrum fixing glue shortest distance controls are in 30mm To 50mm, is interfered with each other to avoid two oblique centrum fixing glues and guarantee reliably to install.

5, the extended line of two second the front end of the through hole be located at two of the centre of the fixed plate it is opposite Side.That is, two the second through-holes be not merely backward roll tiltedly, also each to the left or right side inclination (one of them to Left side, another is just tilted to the right);After two oblique centrum fixing glues are packed into the second through-hole, two oblique centrums are solid Fixed nail is respectively to two sides deflection, and for convenience of installation when processing and performing the operation, the tilt angle of two the second through-holes is equal.

6, the first through hole is four, and it is logical that two of them first through hole is set to the first end of fixed plate, another two first Hole is set to the second end of fixed plate;One of them second through-hole is set between two first through hole of fixed plate first end, another A second through-hole is set between two first through hole of fixed plate second end.It is logical by four first through hole of setting and two second The position in hole and arrangement directly form tower structure to pedicle nail and oblique centrum fixing glue, can make two neighboring vertebra section Connection it is more reliable.

7, the fixed plate includes plate body and two oblique auricles, and the structure is simple, easy to process.

8, when fusion device being arranged between two vertebra sections, oblique relief hole facilitates oblique centrum fixing glue to wear on fusion device It crosses, is aligned for convenience of between fusion device and slanting relief hole, fusion device is attached with fixed plate.

9, after the connecting neck portion of fusion device and rotatable collar pass through perforation, rotatable collar rotates and by the fusion device and admittedly Fixed board connection.Preferential, the perforation of fixed plate is set to the middle part of fixed plate.

10, two slanting relief holes are symmetrical arranged on fusion device, are two oblique centrum fixing glue slot millings, are avoided Interference.

Detailed description of the invention

Fig. 1 is the side view of intervertebral fixation device described in the embodiment of the present invention;

Fig. 2 is the front view of intervertebral fixation device described in the embodiment of the present invention;

Fig. 3 is the side view of fusion device;

Fig. 4 is the front view of fusion device;

Fig. 5 is intervertebral fixation device described in the embodiment of the present invention and fusion device and two neighboring vertebra section connection structure diagram;

Fig. 6 is the side view of Fig. 5;

Fig. 7 is the A-A cross-sectional view of Fig. 5;

Fig. 8 is the top view of Fig. 7;

Description of symbols:

10, fixed plate, 11, plate body, 111, perforation, 12, oblique auricle, the 121, second through-hole, 13, first end, 14, second End, 15, first through hole, 20, directly to pedicle nail, 30, oblique centrum fixing glue, 40, fusion device, 41, main body, 42, connection neck Portion, 43, rotatable collar, 44, relief hole, 50, vertebra section.

Specific embodiment

The embodiment of the present invention is described in detail below.

As shown in Figure 1 and Figure 2, it is intervertebral fixation device, fixation of the device for preceding road cervical vertebra is fixed described in the present embodiment, It includes fixed plate 10, and fixed plate 10 has first end 13 and second end 14, is equipped in first end 13 and second end 14 for straight The first through hole 15 passed through to pedicle nail 20, in first end 13 or second end 14, at least one is equipped with solid for oblique centrum Surely the second through-hole 121 that nail 30 passes through.

The fixed plate 10 includes plate body 11 and two oblique auricles 12, connecting side and the plate body 11 of two oblique auricles 12 First end 13 and second end 14 is affixed, outsides of two oblique auricles 12 are tilted to the 11 centre direction of plate body;Institute First through hole 15 is stated on plate body 11, second through-hole 121 is set on oblique auricle 12.So that first through hole 15 is opposite Vertical in the fixed plate 10, the second through-hole 121 is tilted relative to the fixed plate 10.

Second through-hole 121 be two, two the second through-holes 121 be respectively arranged on the fixed plate 10 first end 13 and Second end 14;The front end of second through-hole 121 of first end 13 and second end 14 is to the centre of the fixed plate 10 Direction inclination.The extended line of two 121 front ends of the second through-hole mutually staggers, and two 121 front ends of the second through-hole Extended line is located at two opposite sides in the centre of the fixed plate 10.The first through hole 15 is four, wherein two A first through hole 15 is set to the first end 13 of fixed plate 10, another two first through hole 15 is set to the second end 14 of fixed plate 10;Its In second through-hole 121 be set between two first through hole 15 of 10 first end 13 of fixed plate, another second through-hole 121 is set Between two first through hole 15 of 10 second end 14 of fixed plate.

Intervertebral fixed system, including fusion device 40 and intervertebral fixation device are equipped with directly to pedicle of vertebral arch in first through hole 15 20 are followed closely, is equipped with oblique centrum fixing glue 30 in the second through-hole 121;The structure of fusion device 40 which is provided with as shown in Fig. 3, Fig. 4 Slanting relief hole 44, fusion device 40 are connect with fixed plate 10.Slanting relief hole 44 is two on fusion device 40, two resignings Central symmetry of the hole 44 relative to the fusion device 40.Specifically, the first end 13 of the fixed plate 10 and second end 14 it Between position have fixed part, wherein one end of the fusion device 40 is connect with the fixed part.The fixed part is perforation 111, institute Stating fusion device 40 includes main body 41, connecting neck portion 42 and rotatable collar 43, and connecting neck portion 42 and rotatable collar 43 pass through perforation 111 Afterwards, rotatable collar 43 rotates and connect the main body 41 with fixed plate 10.

Mounting structure when intervertebral operation is carried out as shown in Fig. 5 to Fig. 8.

1,10 first end 13 of fixed plate, second end 14 of the intervertebral fixation device are equipped with first through hole 15, the second through-hole 121, when being performed the operation, first through hole 15, the second through-hole 121 directly can will be passed through to pedicle of vertebral arch needle, to realize adjacent two A vertebra section 50 is fixedly connected;For the intensity and reliability for further increasing connection, it is logical that second is additionally provided in fixed plate 10 Two neighboring vertebra section 50 is fixedly connected, after oblique centrum fixing glue 30 passes through the second through-hole 121 in this way, phase by hole 121 Adjacent two vertebra sections 50 not only can be attached fixation in front side, can also be attached fixation in rear side, so that fixed can It is greatly improved by property.

2, for convenience of the directly installation to pedicle nail 20, first through hole 15 is vertical relative to the fixed plate 10;For convenience The installation of oblique centrum fixing glue 30, the second through-hole 121 are tilted relative to the fixed plate 10.

3, second through-hole 121 is two, and two the second through-holes 121 are respectively arranged on the first end 13 of the fixed plate 10 And second end 14;The front end of second through-hole 121 of first end 13 and second end 14 is to the central part of the fixed plate 10 The inclination of position direction.It is respectively provided with oblique centrum fixing glue 30 in two the second through-holes 121 at the time of surgery, due to the equal Xiang Gu in its front end The inclination of 10 center of fixed board, first oblique centrum fixing glue 30 are prolonged from the rear side of the front side of top vertebra section 50 vertebra section 50 downwards Stretch, second oblique centrum fixing glue 30 from below vertebra section 50 front side upwards vertebra section 50 rear side extend;In this way, adjacent two Firm connection structure is carried out by two oblique centrum fixing glues 30 between a vertebra section 50.

4, the extended line of two 121 front ends of the second through-hole mutually staggers.Two oblique centrum fixing glues 30 are avoided to hand over Fork interference, also avoids the bone tissue to vertebra section 50 from causing to damage, more preferably, two oblique 30 shortest distance controls of centrum fixing glue System interferes with each other to avoid two oblique centrum fixing glues 30 in 30mm to 50mm and guarantees reliably to install.In addition, from Fig. 3 Shown projection sees that relief hole 44 is 20 degree to 40 degree relative to the range of the angle [alpha] of 42 axial line of connecting neck portion, shown in Fig. 4 Projection sees, the range of the with respect to the horizontal plane angle beta of (in other words, the bottom plane of fusion device 40) of relief hole 44 is 10 degree to 30 Degree.

5, the extended line of two 121 front ends of the second through-hole is located at two of the centre of the fixed plate 10 Opposite side.That is, two the second through-holes 121 be not merely backward roll tiltedly, also each to the left or right side inclination (wherein As soon as tilting to the left, another is tilted to the right);After two oblique centrum fixing glues 30 are packed into the second through-hole 121, two Oblique centrum fixing glue 30 is respectively to two sides deflection, for convenience of the reliable installation processed and when operation, two the second through-holes 121 Tilt angle is equal.

6, the first through hole 15 is four, and two of them first through hole 15 is set to the first end 13 of fixed plate 10, another two A first through hole 15 is set to the second end 14 of fixed plate 10;One of them second through-hole 121 is set to 10 first end 13 of fixed plate Between two first through hole 15, another second through-hole 121 is set between two first through hole 15 of 10 second end 14 of fixed plate. By the position and arrangement of four first through hole 15 of setting and two the second through-holes 121, directly to pedicle nail 20 and oblique centrum Fixing glue 30 forms tower structure, and the connection of two neighboring vertebra section 50 can be made more reliable.

7, the fixed plate 10 includes plate body 11 and two oblique auricles 12, and the structure is simple, easy to process.

8, when fusion device 40 being arranged between two vertebra sections 50, oblique relief hole 44 facilitates oblique centrum solid on fusion device 40 Surely nail 30 passes through, and is aligned for convenience of between fusion device 40 and slanting relief hole 44, and fusion device 40 and fixed plate 10 carry out Connection.

9, after the connecting neck portion 42 of fusion device 40 and rotatable collar 43 pass through perforation 111, the rotation of rotatable collar 43 and by institute Fusion device 40 is stated to connect with fixed plate 10.Preferential, the perforation 111 of fixed plate 10 is set to the middle part of fixed plate 10.

10, two slanting relief holes 44 are symmetrical arranged on fusion device 40, reserve sky for two oblique centrum fixing glues 30 Between, it avoids interference with.

The above is only specific embodiments of the present invention, are not limited the scope of protection of the present invention with this;Do not violating this hair Made any replacement and improvement, category protection scope of the present invention on the basis of bright design.

Claims (3)

1. intervertebral fixed system, which is characterized in that including fusion device and intervertebral fixation device,
Intervertebral fixation device, including fixed plate, fixed plate have first end and second end, are equipped with confession in first end and second end The first through hole directly passed through to pedicle nail, in first end or second end, at least one is equipped with wears for oblique centrum fixing glue The second through-hole crossed;
It is equipped in first through hole directly to pedicle nail, is equipped with oblique centrum fixing glue in the second through-hole;Fusion device is equipped with Slanting relief hole, oblique centrum fixing glue pass through the oblique relief hole on fusion device, and fusion device is connect with fixed plate;
Second through-hole is two, and two the second through-holes are respectively arranged on the first end and second end of the fixed plate;First end And the front end of second through-hole of second end is tilted to the centre direction of the fixed plate;
First through hole is vertical relative to the fixed plate, and the second through-hole is tilted relative to the fixed plate;
The extended line of two second the front end of the through hole mutually staggers;
The first through hole is four, and first end, the another two first through hole that two of them first through hole is set to fixed plate are set to The second end of fixed plate;One of them second through-hole is set between two first through hole of fixed plate first end, another second Through-hole is set between two first through hole of fixed plate second end;
Position has fixed part between the first end and second end of the fixed plate, and wherein one end and this of the fusion device are fixed Portion's connection;
The fixed part is perforation, and the fusion device includes main body, connecting neck portion and rotatable collar, connecting neck portion and rotatable collar After perforation, rotatable collar rotates and connect the fusion device with fixed plate.
2. intervertebral fixed system as described in claim 1, which is characterized in that the extended line difference of two second the front end of the through hole Two opposite sides positioned at the centre of the fixed plate.
3. intervertebral fixed system as described in claim 1, which is characterized in that the fixed plate includes plate body and two oblique auricles, The connecting side of two oblique auricles and the first end of the plate body and second end is affixed, outside of two oblique auricles is to the plate body The inclination of centre direction;The first through hole is set on plate body, and second through-hole is set on oblique auricle.
CN201610069918.0A 2016-02-01 2016-02-01 Intervertebral fixation device and intervertebral fixed system CN105596073B (en)

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CN105596073B true CN105596073B (en) 2019-08-06

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Citations (5)

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Publication number Priority date Publication date Assignee Title
EP1266642A1 (en) * 2001-06-13 2002-12-18 Chih-I Lin Intervertebral retrieval device
CN101610741A (en) * 2006-11-29 2009-12-23 外科技术有限公司 Orthopaedic implants and prostheses
US8216312B2 (en) * 2007-05-31 2012-07-10 Zimmer Spine, Inc. Spinal interbody system and method
CN105232133A (en) * 2015-09-07 2016-01-13 徐兆万 Anterior cervical pedicle screw plate fixing system
CN205493982U (en) * 2016-02-01 2016-08-24 郑明辉 Intervertebral fixing device and intervertebral fixing?system

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US8425514B2 (en) * 2008-06-25 2013-04-23 Westmark Medical, Llc. Spinal fixation device
US9060822B2 (en) * 2011-12-28 2015-06-23 Orthohelix Surgical Designs, Inc. Orthopedic compression plate and method of surgery
US9681902B2 (en) * 2012-02-13 2017-06-20 Stryker European Holdings I, Llc Attachment device for a bone plate
US9907588B2 (en) * 2012-09-06 2018-03-06 Orthohelix Surgical Designs, Inc. Orthopedic dual pocket compression plate and method of surgery
US20140148859A1 (en) * 2012-11-27 2014-05-29 Solana Surgical, Llc Orthopedic fusion plate and compression screw
US20150223851A1 (en) * 2014-02-12 2015-08-13 Centric Medical, LLC Foot Bone Plate Providing Fixation and Compression

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1266642A1 (en) * 2001-06-13 2002-12-18 Chih-I Lin Intervertebral retrieval device
CN101610741A (en) * 2006-11-29 2009-12-23 外科技术有限公司 Orthopaedic implants and prostheses
US8216312B2 (en) * 2007-05-31 2012-07-10 Zimmer Spine, Inc. Spinal interbody system and method
CN105232133A (en) * 2015-09-07 2016-01-13 徐兆万 Anterior cervical pedicle screw plate fixing system
CN205493982U (en) * 2016-02-01 2016-08-24 郑明辉 Intervertebral fixing device and intervertebral fixing?system

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