CN200998297Y

CN200998297Y - Joint coupling for the fixing operation of occipital cervical vertebra

Info

Publication number: CN200998297Y
Application number: CNU2006201664369U
Authority: CN
Inventors: 颜宗宝
Original assignee: GREATOP INTERNATIONAL Corp
Current assignee: GREATOP INTERNATIONAL Corp
Priority date: 2006-12-21
Filing date: 2006-12-21
Publication date: 2008-01-02
Anticipated expiration: 2016-12-21

Abstract

The utility model provides a universal connector for occipital spondylopathy fixation, and an occipital fixing bone plate and a spondylopathy fixing bone nail are arranged and connected. The utility model comprises a first connecting seat, an anti-slipping piece and a second connecting seat, all three components are movably sleeved as a whole, to have the 360 degree universal adjustment property; when the tail end of the rod-cable of the spondylopathy fixing bone nail is penetrated through a U-shaped hole of the first connecting seat, the tail end of the occipital fixing bone plate is penetrated through a through hole at the bottom of the second connecting seat; then the angle between the occipital and the spondylopathy is adjusted to the optimized relation through the angle unlimited universal adjustment of the connector, thus to lock the screw into the first connecting seat screw hole, to drive the tail end of the rod-cable of the spondylopathy fixing bone nail to move to the second connecting seat, then press the groove fissure of the second connecting seat to tightly clamp the tail of the spondylopathy bone plate, and the single locking action can simultaneously fix the tail end of the rod-cable of the spondylopathy fixing bone nail and the occipital fixing bone plate on the connector.

Description

Be used in the joint coupling of occipital bone cervical vertebra fixation

Technical field

The relevant occipital bone cervical vertebra of this utility model fixation refers in particular to a kind ofly in order to connect occipital bone fixedly hone lamella tail end and cervical vertebra fixing bone pin rope bar tail end, has the adapter of the universal adjustment of the angle do not limit.

Background technology

When human body causes occipital bone and dislocation of cervical vertebra because of wounds such as traffic accidents, the occipital bone that must impose occipital bone cervical vertebra fixation (occiput-cervical fixation) dislocation is originally rescued with the cervical vertebra structure and is reverted back to normal relation, normally with hone lamella cooperate nail from occipital bone be fixed to third cervical vertebra or more below.In addition, occipital bone and atlas (atlas) articular ligament of also may attacking rheumatoid arthritis causes occipital bone to descend and high-order slippage of cervical vertebra and then compressing neck marrow, produce as symptoms such as stiff on foot, hand and foot numbness, amyotrophy, need correct in order to avoid severity of symptoms with operation.And the high-order slippage of cervical vertebra also can cause cervical pain, also must impose operative treatment when medicine and rehabilitation can't ease the pain.

The utility model content

Main purpose of the present utility model is to provide a kind of joint coupling that is used in occipital bone cervical vertebra fixation, when occipital bone fixedly hone lamella and cervical vertebra fixing bone pin apply finish after, be not subjected to the characteristic of angle limits by joint coupling, the angle of occipital bone and cervical vertebra is done flexible universal adjustment, so that occipital bone and cervical vertebra locations of structures revert back to best relation.

Of the present utility model time a purpose is to provide a kind of joint coupling that is used in occipital bone cervical vertebra fixation, when the angle adjustment of occipital bone and cervical vertebra when both locations of structures are best relation, can be by single screw with the fixing rope bar tail end locking position of hone lamella tail end and cervical vertebra fixing bone pin of occipital bone, to simplify operation process and to reduce artificial careless mistake in applying.

For reaching above-mentioned purpose, this utility model is used in the joint coupling of occipital bone cervical vertebra fixation, and setting also connects occipital bone fixedly hone lamella and cervical vertebra fixing bone pin; Include first Connection Block, Non-slip material and second Connection Block, can not limit the universal best relation that is adjusted to of angle to be fixed behind three's movable sleeve integrator.Have the characteristic of the universal adjustment of 360 degree, the angle of occipital bone and cervical vertebra can be done flexible universal adjustment, so that occipital bone and cervical vertebra locations of structures revert back to best relation.

When the rope bar tail end of cervical vertebra fixing bone pin passes the U-shaped hole of first Connection Block, and occipital bone fixedly the hone lamella tail end pass the second Connection Block bottom through-hole; Again the angle of occipital bone and cervical vertebra is not limit the universal best relation that is adjusted to of angle by adapter, locking the first Connection Block screw with the packing screw forces the rope bar tail end of cervical vertebra fixing bone pin to move to second Connection Block, oppress again as the line of rabbet joint of second Connection Block such as the lock ring with occipital bone fixedly the hone lamella tail end be fixedly clamped, with single locking action can be simultaneously with the rope bar tail end of cervical vertebra fixing bone pin and occipital bone fixedly the hone lamella tail end be fixed on the adapter.To simplify operation process and to reduce artificial careless mistake in applying.

Description of drawings

Fig. 1 is the enforcement illustration of this utility model joint coupling;

Fig. 2 is this utility model joint coupling exploded perspective view; And

Fig. 3 is this utility model joint coupling stereoscopic figure.

The primary clustering symbol description

OC occipital bone C2-C5 second is to fifth cervical vertebra

1 hone lamella, 11 hone lamella tail ends

2 nails, 21 rope bar tail ends

3 adapters, 31 first Connection Blocks

311U shape hole 312 connecting rod portions 312

313 screw threads, 314 locating pieces

32 second Connection Blocks, 321 ratchet faces

322 through holes, 323 lines of rabbet joint

4 packing screws, 5 Non-slip materials

51 detents, 52 ratchet faces

6 nuts

The specific embodiment

Characteristics of the present utility model can be consulted the detailed description of graphic and embodiment and obtained to be well understood to.

See also Fig. 1 enforcement illustration of the present utility model; Fig. 2 exploded perspective view of the present utility model and Fig. 3 this utility model stereoscopic figure.

Two hone lamellas 1 were separately fixed on the occipital bone OC about the embodiment of Fig. 1 showed, second to the fifth cervical vertebra C2-C5 both sides are then fixing in conjunction with rope bar 21 with nail 2 respectively, no matter be widely used in behind the occipital bone cervical vertebra in the fixation of position because above-mentioned hone lamella 1 is fixing or nail 2 is fixing, therefore will not have given unnecessary details.

Joint coupling 3 settings of the present utility model also connect above-mentioned occipital bone fixedly hone lamella 1 and cervical vertebra fixing bone pin 2.As shown in Figures 2 and 3, adapter 3 includes first Connection Block 31 and second Connection Block 32.Wherein, first Connection Block, 31 bodies laterally are provided with U-shaped hole 311 and supply the rope bar tail end 21 of cervical vertebra fixing bone pin to pass, and the oblique screw that is provided with of left surface is locked for packing screw 4, and right flank then stretches out and is provided with connecting rod portion 312, and bar portion tail end and car have screw thread 313;

Above-mentioned connecting rod portion 312 is in order to the socket Non-slip material 5 and second Connection Block 32, these Non-slip material 5 left circles anchor rings are preset with detent 51 and the outside outstanding locating piece 314 of first Connection Block, 31 right flanks is chimeric in case sliding stop, 52 of Non-slip material 5 right side ratchet faces and 321 engagements of second Connection Block, 32 left side ratchet faces can prevent that equally second Connection Block 32 from sliding in connecting rod portion 312;

After Non-slip material 5 and second Connection Block 32 are socketed in connecting rod portion 312, locking bar portion tail end screw thread 313 with nut 6 is integral first Connection Block 31, Non-slip

material

5 and 32 triplicitys of second Connection Block, but before packing screw 4 is not locked as yet, first Connection Block 31 and second Connection Block 32 are unrestricted each other free to rotate in connecting rod portion 312, and this promptly the utlity model has the cause of the universal adjustment characteristic of 360 degree;

Second Connection Block, 32 body bottom end vicinities laterally be provided with through hole 322 for occipital bones fixedly the tail end 11 of hone lamella pass, extend upward by this through hole 322 and be provided with the line of rabbet joint 323.

Please cooperate and consult Fig. 1 and Fig. 3, when the rope bar tail end 21 of cervical vertebra fixing bone pin passes the U-shaped hole 311 of first Connection Block 31, and occipital bone fixedly hone lamella tail end 11 pass the second Connection Block bottom through-hole 322; Again the angle of occipital bone and cervical vertebra is not limit the characteristic of the universal adjustment of angle by adapter 3, when being adjusted to both locations of structures and being best relation, lock first Connection Block, 3 screws by packing screw 4 and force the rope bar tail end 21 of cervical vertebra fixing bone pin to move to second Connection Block 32, the line of rabbet joint 323 of oppressing second Connection Block 32 again as the lock ring with occipital bone fixedly the tail end 11 of hone lamella be fixedly clamped.Therefore, the single action of locking packing screw 4 can be simultaneously with the rope bar tail end 21 of cervical vertebra fixing bone pin and occipital bone fixedly hone lamella tail end 11 be fixed on the adapter 3, in order to simplify operation process and to reduce the artificial careless mistake that applies when performing the operation.

Technology contents of the present utility model and technical characterstic disclose as above, yet the personage who is familiar with this technology still may do various replacement and the modifications that do not deviate from this utility model spirit based on announcement of the present utility model.Therefore, protection domain of the present utility model should be not limited to embodiment and disclose, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by claim.

Claims

1, a kind of joint coupling that is used in occipital bone cervical vertebra fixation, setting also connects occipital bone fixedly hone lamella and cervical vertebra fixing bone pin; It is characterized in that: include first Connection Block and second Connection Block, can not limit the universal best relation that is adjusted to of angle to be fixed behind both movable sleeve integrators.

2, the joint coupling that is used in occipital bone cervical vertebra fixation as claimed in claim 1 is characterized in that: more be provided with Non-slip material between first Connection Block and second Connection Block.

3, the joint coupling that is used in occipital bone cervical vertebra fixation as claimed in claim 1, it is characterized in that: the first Connection Block body laterally is provided with the U-shaped hole and passes for cervical vertebra fixing bone pin rope bar tail end, the oblique screw that is provided with of left surface is locked for the packing screw, and right flank then stretches out and is provided with connecting rod portion in order to the socket Non-slip material and second Connection Block.

4, as claim 2 or the 3 described joint couplings that are used in occipital bone cervical vertebra fixation, it is characterized in that: Non-slip material left circles anchor ring is preset with detent and the outside outstanding locating piece of the first Connection Block right flank is chimeric in case sliding stop, Non-slip material right side ratchet face then meshes with second Connection Block left side ratchet face, slides in connecting rod portion in order to prevent second Connection Block.

5, the joint coupling that is used in occipital bone cervical vertebra fixation as claimed in claim 3, it is characterized in that: after the Non-slip material and second Connection Block are socketed in connecting rod portion, lock bar portion tail end screw thread with nut first Connection Block, Non-slip material and the second Connection Block triplicity are integral.

6, as claim 1 or the 4 described joint couplings that are used in occipital bone cervical vertebra fixation, it is characterized in that: the second Connection Block body bottom end vicinity laterally be provided with through hole for occipital bone fixedly the hone lamella tail end pass, and extend upward by this through hole and to be provided with the line of rabbet joint.

7, the joint coupling that is used in occipital bone cervical vertebra fixation as claimed in claim 1 is characterized in that: when the rope bar tail end of cervical vertebra fixing bone pin passes the U-shaped hole of first Connection Block, and occipital bone fixedly the hone lamella tail end pass the second Connection Block bottom through-hole; Again the angle of occipital bone and cervical vertebra is not limit the universal best relation that is adjusted to of angle by adapter, lock the first Connection Block screw with the packing screw and force the rope bar tail end of cervical vertebra fixing bone pin to move to second Connection Block, oppress again as the line of rabbet joint of second Connection Block such as the lock ring with occipital bone fixedly the hone lamella tail end be fixedly clamped.