CN202761410U - Posterior atlantoaxial restoring machine - Google Patents
Posterior atlantoaxial restoring machine Download PDFInfo
- Publication number
- CN202761410U CN202761410U CN 201220455789 CN201220455789U CN202761410U CN 202761410 U CN202761410 U CN 202761410U CN 201220455789 CN201220455789 CN 201220455789 CN 201220455789 U CN201220455789 U CN 201220455789U CN 202761410 U CN202761410 U CN 202761410U
- Authority
- CN
- China
- Prior art keywords
- atlas
- clamp
- girder
- calipers
- dentata
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
Provided is a posterior atlantoaxial restoring machine. The posterior atlantoaxial restoring machine is composed of a main beam, an atlas clamp restoring system and an axis clamp system. The head portion of the main beam is fixed on an occipital bone plate. An elongated slotting is arranged at the middle portion of the main beam, wherein the atlas clamp restoring system is installed in the elongated slotting. A first screw hole is arranged at the tail portion of the main beam, wherein the axis clamp system is installed in the first screw hole. The atlas clamp restoring system comprises an atlas clamp and an atlas clamp fixing device. The atlas clamp is fixed on the main beam through the atlas clamp fixing device. The axis clamp system is formed by connecting two clamp bodies and a sliding plate in a hinged mode. A pod is arranged in the middle of the sliding plate. A mounting nut penetrates through the pod to fix the axis clamp system in the first screw hole which is arranged at the tail portion of the main beam. The sliding plate is capable of changing the relative position between the axis clamp system and the main beam. The posterior atlantoaxial restoring machine has the advantages of being simple in structure, convenient to operate and capable of producing enough restoring power so as to improve the effectiveness of the operation and reduce the operation risk.
Description
Technical field
This utility model relates to a kind of surgical medical apparatus, particularly a kind of way of escape Reposition device for atlas.
Background technology
Extensive region dentata complex is normal to cause high-level spinal cord injury because the factors such as wound, congenital abnormal development cause Atlantoaxial instability, jeopardizes patient's life.Therefore, in order to keep the stability of extensive region dentata complex, usually need surgical intervention to carry out Atlantoaxial fusion.At present, Atlantoaxial fusion has front road, the multiple internal fixation method of the way of escape and technology, comprises the wire binding technology such as Brooks and Gallie, Apofix and Halifix vertebral lamina hook technology, extensive region axis arch root screw technique, Magerl screw technique and some modification methods etc.
Way of escape extensive region axis arch root screw technique is comparatively popular in recent years method, and the research of biomechanics and clinical use prove that all the method is very effective.But common way of escape extensive region axis arch root screw is fixed the artificial atlantoaxial dislocation that caused, although hooking arch of posterior atlas with nerve dissector also rearward lifts, the existing atlantoaxial dislocation effect that resets can provide again a reaction stress, increase the weight of dislocation when preventing from holing and cause spinal cord injury, but because it is limited and unstable to lift dynamics, postoperative effect is often undesirable.Immediately fixing operating theater instruments resets the extensive region dentata of dislocation under direct-view when at present still not having posterior approach.
The utility model content
The purpose of this utility model provides a kind of way of escape Reposition device for atlas, and is simple in structure, easy to operate, can produce the enough strength that resets, thereby improves the effectiveness of operation, reduces operation risk.
The technical solution of the utility model is:
A kind of way of escape Reposition device for atlas, formed by girder, atlas clamp resetting system and dentata clamp system, described girder head is fixed on the occipital plate, the middle part of described girder offers the strip fluting that atlas clamp resetting system is installed, and the afterbody of described girder offers the first screw that dentata clamp system is installed; Described atlas clamp resetting system comprises atlas clamp and atlas clamp fixture, and described atlas clamp is fixed on the girder by atlas clamp fixture; Described dentata clamp system is by two calipers and slide plate is hinged forms, the centre of described slide plate offers pod one, one mounting nuts passes this pod dentata clamp system is fixed on the first screw that the girder afterbody offers, the relative position between sliding skateboard convertible dentata clamp system and girder.
Preferably, described atlas clamp is by the atlas hook and pressure ram is hinged forms, the afterbody of described pressure ram offers the second screw, and the first adjusting nut passes this second screw and arrives on the sidewall of atlas hook, by tightening the folding size between the first adjusting nut adjustment atlas hook and the pressure ram.
Preferably, described atlas clamp fixture comprises the side nut, convex shape fixed block and adjusting nut form, the afterbody of described atlas clamp passes the strip fluting on the girder, the trailer card of described atlas hook is placed on the middle part of convex shape fixed block, the bottom of convex shape fixed block engages with the both sides of girder, the bottom sidewall that the side nut passes the convex shape fixed block arrives on the girder sidewall, the top of described convex shape fixed block is provided with the second adjusting nut, the roof that described the second adjusting nut passes the convex shape fixed block is connected with the afterbody of atlas hook, thereby drives the atlas hook and move up and drive atlas and upwards lift by rotating the second adjusting nut.
Preferably, two calipers of described dentata clamp system are two L shaped calipers that are oppositely arranged, the upper end of described two calipers is provided with an adjusting screw(rod), described adjusting screw(rod) passes a wherein caliper, the end of adjusting screw(rod) withstands on another caliper, regulate interlock between two calipers by turning adjusting screw(rod), the slide plate in the middle of described two calipers is rectangle, and described two calipers are hinged on respectively the both sides of slide plate.
Preferably, described occipital plate top has two fixing holes, by fixing hole occipital plate is fixed on the occipital bone, and described occipital plate below offers a fulcrum hole, and described fulcrum hole is intersected by a macropore and aperture and forms.
Preferably, described girder head is hemispherical bumps, and described girder head enters and move down the aperture place that is fixed on fulcrum hole by macropore.
The beneficial effects of the utility model are:
Total of the present utility model all can be dismantled refitting, when certain widget wearing and tearing occur such as problems such as screw running, the hinged shakinesses of clamp, can solve by changing the problem part, need not whole discarded, so economical environment-protective more.
This utility model is simple in structure, and is easy to operate, can produce the enough strength that resets, thereby improves the effectiveness of operation, reduces operation risk.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below the specific embodiment and by reference to the accompanying drawings of basis, this utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of its girder of this utility model;
Fig. 3 is the structural representation of its occipital plate of this utility model.
Among the figure: 1, girder; 101, girder head; 102, strip fluting; 103, the first screw; 2, atlas hook; 3, pressure ram; 4, the first adjusting nut; 5, convex shape fixed block; 6, side nut; 7, the second adjusting nut; 8, caliper; 9, caliper; 10, slide plate; 11, adjusting screw(rod); 12, mounting nuts; 13, fixing hole; 14, fulcrum hole.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining this utility model, and be not used in restriction this utility model.
This utility model provides a kind of way of escape Reposition device for atlas, formed by girder 1, atlas clamp resetting system and dentata clamp system, described girder head 101 is hemispherical bumps, described girder head 101 is fixed on the occipital plate, the middle part of described girder 1 offers the strip fluting 102 that atlas clamp resetting system is installed, and the afterbody of described girder 1 offers the first screw 103 that dentata clamp system is installed.Atlas clamp resetting system is installed in the strip fluting, in the actual operation operating process, can adjust atlas clamp resetting system with respect to position between girder according to Different Individual, makes it have the widely suitability.
Described atlas clamp resetting system comprises atlas clamp and atlas clamp fixture, described atlas clamp is by atlas hook 2 and pressure ram 3 hinged forming, the afterbody of described pressure ram 3 offers the second screw, the first adjusting nut 4 passes on the sidewall that the second screw arrives to atlas hook 2 afterbodys, adjusts folding size between atlas hooks 2 and the pressure ram 3 by tightening the first adjusting nut 4.The opening degree of described atlas clamp can guarantee that like this this utility model can adapt to different individualities by 4 controls of the first adjusting nut, can guarantee can clamp arch of posterior atlas in operation simultaneously, is convenient to produce the enough strength that lifts.
Described atlas clamp is fixed on the girder 1 by atlas clamp fixture; Described atlas clamp fixture comprises side nut 6, convex shape fixed block 5 and adjusting nut 7 form, the afterbody of described atlas clamp passes the strip fluting 102 on the girder 1, the trailer card of described atlas hook 2 is placed on the middle part of convex shape fixed block 5, the bottom of convex shape fixed block 5 engages with the both sides of girder 1, the bottom sidewall that side nut 6 passes convex shape fixed block 5 arrives on the sidewall of girder 1, the top of described convex shape fixed block 5 is provided with the second adjusting nut 7, the roof that described the second adjusting nut 7 passes convex shape fixed block 5 is connected with the afterbody of atlas hook 2, thereby drives atlas hooks 2 and move up and drive atlas and upwards lift by rotating the second adjusting nut 7;
Described dentata clamp system comprises two L shaped calipers 8,9 that are oppositely arranged, by two calipers 8,9 and slide plate 10 hinged forming, described two calipers 8,9 are two L shaped calipers that are oppositely arranged, described two calipers 8,9 upper end are provided with an adjusting screw(rod) 11, described adjusting screw(rod) 11 passes a wherein caliper 8, the end of adjusting screw(rod) 11 withstands on another caliper 9, regulates two calipers 8,9 interlock by turning adjusting screw(rod) 11.Slide plate 10 in the middle of described two calipers 8,9 is rectangle, described two calipers 8,9 are hinged on respectively the both sides of slide plate 10, the centre of described slide plate 10 offers pod one, one mounting nuts 12 passes this pod dentata clamp system is fixed on the first screw 103 that the girder afterbody offers, the relative position that sliding skateboard 10 convertible dentata clamp systems and girder are 1.The nut head diameter of mounting nuts 12 is greater than the width of pod, the width of pod guarantees that the screw rod of mounting nuts 12 can pass through pod, slide plate can slide for girder, sliding skateboard just can drive whole dentata clamp system and slides like this, and then the relative position between adjustment dentata clamp system and girder, make dentata clamp system adapt to different individualities.
Described occipital plate top has two fixing holes 13, by fixing hole 13 occipital plate is fixed on the occipital bone, described occipital plate below offers a fulcrum hole 14, described fulcrum hole 14 is intersected by a macropore and aperture and forms, and girder head 101 can enter and move down the aperture place that is fixed on fulcrum hole 14 by macropore.Girder head and connected mode between occipital plate can guarantee the reliability and stability that are connected, are convenient to again dismounting, alleviate patient's misery.
When this utility model uses, first with 2 pieces of occipital bone screws with occipital plate fixedly behind the occipital bone just in the middle part of, then the girder head is fixed on the occipital plate fulcrum hole.Regulate sliding panel 10 and make dentata clamp system be positioned at the spinous process of axis place, locking mounting nuts 12 is adjusted adjusting screw(rod) 11 and is made caliper 8,9 clamp spinous process of axis, and this moment, whole girder was in the state of being completely fixed.Slip atlas clamp resetting system makes atlas hook 2 be in the arch of posterior atlas upper limb, regulates the first adjusting nut 4, makes the atlas clamp clamp arch of posterior atlas, regulates the second adjusting nut 7, the atlas clamp is moved up, and then reach the purpose that lifts backward atlas.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use this utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present utility model in other embodiments realization.Therefore, this utility model will can not be limited to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the widest consistent scope.
Claims (6)
1. way of escape Reposition device for atlas, it is characterized in that: formed by girder, atlas clamp resetting system and dentata clamp system, described girder head is fixed on the occipital plate, the middle part of described girder offers the strip fluting that atlas clamp resetting system is installed, and the afterbody of described girder offers the first screw that dentata clamp system is installed; Described atlas clamp resetting system comprises atlas clamp and atlas clamp fixture, and described atlas clamp is fixed on the girder by atlas clamp fixture; Described dentata clamp system is by two calipers and slide plate is hinged forms, the centre of described slide plate offers pod one, one mounting nuts passes this pod dentata clamp system is fixed on the first screw that the girder afterbody offers, the relative position between sliding skateboard convertible dentata clamp system and girder.
2. way of escape Reposition device for atlas according to claim 1, it is characterized in that: described atlas clamp is by the atlas hook and pressure ram is hinged forms, the afterbody of described pressure ram offers the second screw, the first adjusting nut passes this second screw and arrives on the sidewall of atlas hook, by tightening the folding size between the first adjusting nut adjustment atlas hook and the pressure ram.
3. way of escape Reposition device for atlas according to claim 2, it is characterized in that: described atlas clamp fixture comprises the side nut, convex shape fixed block and adjusting nut form, the afterbody of described atlas clamp passes the strip fluting on the girder, the trailer card of described atlas hook is placed on the middle part of convex shape fixed block, the bottom of convex shape fixed block engages with the both sides of girder, the bottom sidewall that the side nut passes the convex shape fixed block arrives on the girder sidewall, the top of described convex shape fixed block is provided with the second adjusting nut, the roof that described the second adjusting nut passes the convex shape fixed block is connected with the afterbody of atlas hook, thereby drives the atlas hook and move up and drive atlas and upwards lift by rotating the second adjusting nut.
4. way of escape Reposition device for atlas according to claim 3, it is characterized in that: two calipers of described dentata clamp system are two L shaped calipers that are oppositely arranged, the upper end of described two calipers is provided with an adjusting screw(rod), described adjusting screw(rod) passes a wherein caliper, the end of adjusting screw(rod) withstands on another caliper, regulate interlock between two calipers by turning adjusting screw(rod), the slide plate in the middle of described two calipers is rectangle, and described two calipers are hinged on respectively the both sides of slide plate.
5. according to claim 1,2,3 or 4 described way of escape Reposition device for atlas, it is characterized in that: described occipital plate top has two fixing holes, by fixing hole occipital plate is fixed on the occipital bone, described occipital plate below offers a fulcrum hole, and described fulcrum hole is intersected by a macropore and aperture and forms.
6. way of escape Reposition device for atlas according to claim 5, it is characterized in that: described girder head is hemispherical bumps, described girder head enters and moves down the aperture place that is fixed on fulcrum hole by macropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455789 CN202761410U (en) | 2012-09-10 | 2012-09-10 | Posterior atlantoaxial restoring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220455789 CN202761410U (en) | 2012-09-10 | 2012-09-10 | Posterior atlantoaxial restoring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202761410U true CN202761410U (en) | 2013-03-06 |
Family
ID=47768024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220455789 Expired - Lifetime CN202761410U (en) | 2012-09-10 | 2012-09-10 | Posterior atlantoaxial restoring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202761410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784001A (en) * | 2012-09-10 | 2012-11-21 | 董大明 | Posterior atlantoaxial resetting device |
-
2012
- 2012-09-10 CN CN 201220455789 patent/CN202761410U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784001A (en) * | 2012-09-10 | 2012-11-21 | 董大明 | Posterior atlantoaxial resetting device |
| CN102784001B (en) * | 2012-09-10 | 2014-09-17 | 董大明 | Posterior atlantoaxial resetting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102784001B (en) | Posterior atlantoaxial resetting device | |
| CA2615497A1 (en) | Rod extension for extending fusion construct | |
| JP6231070B2 (en) | Improved occipital plate system | |
| CN102440832A (en) | Device for fastening and fixing spinous process of spine | |
| WO2009073614A3 (en) | Apparatus for occipito-cervical fixation enabling supplemental occipital bone fixation | |
| CN106725781A (en) | A kind of vertebra bone anchor and its application method | |
| CN202761410U (en) | Posterior atlantoaxial restoring machine | |
| CN202078383U (en) | Internal fixator for pelvis | |
| CN202146354U (en) | Spondylolisthesis lift reductor and spondylolisthesis lift reduction device | |
| CN202776522U (en) | Proximal tibia osteotomy supporting plate | |
| CN102178557B (en) | Pelvic internal fixation unit and application thereof | |
| CN104873234B (en) | A kind of surface of a wound adjustable skin handling device | |
| CN203693721U (en) | Easily-folded type breastbone connector | |
| CN203619652U (en) | Bendable lateral orbital bone plate | |
| CN201282997Y (en) | Internal fixation device for atlanto-axial instability | |
| CN102078213B (en) | Spinal orthosis | |
| CN201847760U (en) | Vertebral column centrum expanding device | |
| CN205163442U (en) | Wheelchair support is drawn to deformity of spine | |
| CN202505469U (en) | Lower cervical spine anterior pedicle screw steel plate | |
| CN103932770A (en) | Skull traction device | |
| CN103494635A (en) | Rib fracture reduction fixing frame | |
| CN203693716U (en) | Expanding device for vertebral plate | |
| CN203539429U (en) | Double-expansion hollow forcing screw | |
| CN213217309U (en) | Nail and rod retractor for posterior lumbar interbody fusion | |
| CN202843672U (en) | Novel anterior cervical composite retractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130306 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |