CN204410945U - The anterior approach cranium neck fixture improved - Google Patents
The anterior approach cranium neck fixture improved Download PDFInfo
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- CN204410945U CN204410945U CN201420833244.3U CN201420833244U CN204410945U CN 204410945 U CN204410945 U CN 204410945U CN 201420833244 U CN201420833244 U CN 201420833244U CN 204410945 U CN204410945 U CN 204410945U
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- China
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- fixed part
- atlas
- anterior approach
- slope
- dentata
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Abstract
This utility model relates to a kind of anterior approach cranium neck fixture of improvement.The three-stage structure that anterior approach cranium neck fixture described in the utility model is formed in one, comprising: the slope fixed part of epimere, the atlas fixed part in stage casing, and the dentata fixed part of hypomere; The front portion of slope fixed part tilts, and has a certain degree, be adjacent to human body anterior approach slope to cause slope fixed part to be applicable to atlas fixed part shape; Atlas fixed part is level, extends, then extend to form dentata fixed part downward vertically to both sides; When atlas fixed part extends to form dentata fixed part, its central authorities offer open slot; Dentata fixed part continues in atlas fixed part, is fixed on human body neck 2 vertebral body.The utility model proposes be exclusively used in atlantoaxial dislocation per os loosen atlas and axis after decompression can the fixture fixing through anterior approach cranium neck of the improvement of reset person completely, reach more reliable and stable fixed effect, reduce operation risk, reduce operating time, be conducive to the rehabilitation of patient.
Description
Technical field
This utility model relates to a kind of Orthopedic Clinical apparatus, particularly relates to a kind of anterior approach cranium neck fixture of improvement.
Background technology
Various types of cranium ridge boundaries illness is comparatively common clinically.Because anatomical structure is complicated, adjoin important nerve and blood vessel, therefore comparatively thorny in treatment, be the difficult point in spinal surgery treatment.And prominent for serious basilar impression companion occipitalization, serious atlantoaxial dislocation, tooth on move up into the various causes of disease such as Foramen magnum when causing ventral side of spinal cord pressurized, often needing first loosens through anterior approach or per os resets or the direct various laminate that directly causes such as the granulation tissue of excision hypertrophy, cicatrix and callus, indirectly or directly remove the compressing factor of ventral side of spinal cord, complete the decompression operation prolonging spinal cord, and then patient turn over through neck way of escape row cranium neck fix rebuild pillow articulatio atlantoepistrophica stability.And for this kind of patient, if during operation can first phase through anterior approach or per os loosen resets, the parallel cranium neck of decompression is fixing merges, greatly will reduce operation risk, reduce operating time, and then the quality of life of raising patient.But the special fixture fixing through anterior approach cranium neck be not suitable for the decompression of loosening of atlantoaxial dislocation per os and reset completely patient at present, therefore, is necessary the anterior approach cranium neck fixture developing a kind of improvement.
Summary of the invention
The purpose of this utility model is the anterior approach cranium neck fixture providing a kind of improvement, it be a kind of propose first be exclusively used in the decompression of loosening of atlantoaxial dislocation per os and reset completely the fixture of fixing (slope is to neck 2 vertebral body) through anterior approach cranium neck of improvement of patient, the fixed effect more more reliable and more stable than other anterior approach fixtures existing can be reached.
A kind of anterior approach cranium neck fixture described in the utility model, the three-stage structure be formed in one, comprising: the slope fixed part of epimere, the atlas fixed part in stage casing, and the dentata fixed part of back segment; The front portion of described slope fixed part tilts, and has a certain degree, be adjacent to human body anterior approach slope to cause described slope fixed part to be applicable to described atlas fixed part shape; Described atlas fixed part is level, extends, then extend to form dentata fixed part downwards to both sides; When described atlas fixed part extends to form described dentata fixed part, its central authorities offer open slot; Described dentata fixed part continues in described atlas fixed part, is fixed on human body neck 2 vertebral body.
According to the further feature of anterior approach cranium neck fixture described in the utility model, the angle between described slope fixed part and described atlas fixed part is 114 ° to 148 °.
According to the further feature of anterior approach cranium neck fixture described in the utility model, described slope fixed part is arranged three screws, triangularity arranges, and makes screw, by described screw, described slope fixed part is fixed on anterior approach slope with activation.
According to the further feature of anterior approach cranium neck fixture described in the utility model, the arranged on left and right sides of described atlas fixed part arranges a side screw respectively, makes screw, by described side screw, described atlas fixed part is fixed on the left and right lateral mass of atlas with activation.
According to the further feature of anterior approach cranium neck fixture described in the utility model, the lower end of described dentata fixed part arranges 3 screws, triangularity arranges, upper end two screw hole design is near dentata both sides superior articular surface, nail road is mainly cortical bone makes screw fixing more firm, lower end one screw hole design is by body of axis center line, and this place's thickness is maximum, has Geng Changding road also to make this screw fixing more stable.
According to the further feature of the anterior approach cranium neck fixture of improvement described in the utility model, the body of described atlas fixed part and dentata fixed part arranges open slot, be beneficial to, after the anterior approach cranium neck fixture of described improvement is fixing, carry out the operations such as bone grafting by the Atlanto-axial joint gap of this groove to its rear.
The anterior approach cranium neck fixture of a kind of improvement described in the utility model, it be a kind of propose first be exclusively used in atlantoaxial dislocation per os loosen atlas and axis after decompression can the fixture of fixing (slope is to neck 2 vertebral body) through anterior approach cranium neck of the improvement of reset person completely, the fixed effect more more reliable and more stable than other anterior approach fixtures existing can be reached.Device energy first phase of the present utility model capable anterior approach cranium neck is fixed, and in operation in patients, loosen after decompression in premenstrual road no longer needs to stand up row way of escape cranium neck again and fix, and greatly reduces operation risk, reduces operating time, the advantageously rehabilitation of patient Yu.
Accompanying drawing explanation
Fig. 1 is the front view of the anterior approach cranium neck fixture of improvement described in the utility model.
Fig. 2 is the side view of the anterior approach cranium neck fixture of improvement described in the utility model.
reference numeral:
1,2,3: the screw of slope fixed part; 4,5: the screw of atlas fixed part both sides; 6,7,8: the screw of dentata fixed part lower end; 9: slope fixed part; 10: atlas fixed part; 11: dentata fixed part; 12: open slot.
Detailed description of the invention
Embodiment one: the preparation of the anterior approach cranium neck fixture of improvement described in the utility model
The anterior approach cranium neck fixture of improvement described in the utility model, as depicted in figs. 1 and 2, comprising: the slope fixed part 9 tilted by a section and the atlas fixed part 10 of one section of level form; And dentata fixed part 11, extend to form downwards from atlas fixed part.Slope fixed part 9 and atlas fixed part 10 shape have a certain degree to cause described slope fixed part to be applicable to being adjacent to human body anterior approach slope, and described dentata fixed part is applicable to being adjacent to human body neck 2 vertebral body.When atlas fixed part 10 extends to form dentata fixed part 11, its central authorities offer open slot 12, are beneficial to, after the anterior approach cranium neck fixture of described improvement is fixing, carry out the operations such as bone grafting by this groove to the joint space at its rear.Preferably, the angle between slope fixed part 9 and atlas fixed part 10 is 114 ° to 148 °.
As shown in Figure 1, slope fixed part 9 is arranged three screws 1,2 and 3, these screw triangularities arrange, and make screw, by these screws, slope fixed part 9 is fixed on anterior approach slope with activation.
As shown in Figure 1, every side of atlas fixed part 10 arranges a side screw 4 and 5 respectively, makes screw, by these side screws, wing plate atlas fixed part 10 is fixed on the left and right lateral mass of atlas with activation.
As shown in Figure 1, three screws 6,7 and 8 of rounded projections arranged are arranged in the lower end of dentata fixed part 11, make screw, by these screws, neck 2 vertebral body is fixed in the lower end of dentata fixed part 11 with activation.
As shown in Figure 1, open slot 12 is set at the body of atlas fixed part 10 and dentata fixed part 11.Be beneficial to, after the anterior approach cranium neck fixture of described improvement is fixing, carry out the operations such as bone grafting by this groove to the joint space at its rear.
The anterior approach cranium neck fixture of improvement described in the utility model, can make with steel plate or similar material.
The concrete size of the anterior approach cranium neck fixture of improvement described in the utility model is individual variation because of different patient and specific design.In a preferred embodiment, anterior approach cranium neck fixture described in the utility model is prepared according to following size.
It is 15mm that minister is fixed on slope, and the widest part is 20mm, arranges three screws 1,2 and 3, and triangularity arranges, and is fixed on slope by three screws.Atlas standing part is the wide 15mm of cervical part of esophagus, high 10mm, inverted T-shaped shoulder Duan Shangkuan 45mm, lower wide 30mm, high 8mm.Atlas fixed part both sides arrange a screw 4 and 5 respectively, are screwed respectively in atlas left and right lateral mass.Dentata standing part is the lower end that rectangle continues in atlas fixed part, wide 30mm, high 15mm, each screw hole 6,7 in lower end, the rectangle left and right sides, and center, rectangle lower end is given prominence to as screw hole 8 downwards, and three screws are all fixed on neck 2 vertebral body.Slope fixed part and atlas fixed part have a certain degree, and angular range is 114 ° to 148 °.Fixture thickness is 1.6mm.Screw diameter is 3.5 mm.
Embodiment two: the application of the anterior approach cranium neck fixture of improvement described in the utility model
It is below embodiment anterior approach cranium neck fixture described in the utility model being used for clinical practice.
The patient lies supine of upper cervical spine pathological changes is on operation table, and through anaesthetizing successfully, the wild skin of sterilization operation on neck, spreads aseptic towel, list.
Transoral, exposes body of cervical vertebra, Fluoroscopy location, excision C1 anterior arch and C2 Odontoid process body resetting.The entrance of slope screw, lateral mass of atlas screw and neck 2 vertebral body screw is measured.Kirschner wire (diameter is 1.0mm) is used to bore a hole at predetermined entry point.Get out screw thread with the drill bit of diameter 2.5 millimeters, then use the reaming of diameter 3.5 millimeters of hand-power screwdrivers.After measuring the length of screw, slope fixed part three screws 1,2 and 3, triangularity arranges, and is fixed on slope by screw.Dentata fixed part lower end arranges three screws 6,7 and 8 be triangularly arranged, and is fixed on neck 2 vertebral body by screw.Atlas fixed part both sides arrange a screw 4 and 5 respectively, are fixed on the left and right lateral mass of atlas by screw.
C arm confirms that internal fixtion is in place, after repeatedly rinsing otch, looks into without active hemorrhage, sew up pars oralis pharyngis submucous tissue and mucosa after cervical vertebra sequence is good with normal saline.
Claims (5)
1. the anterior approach cranium neck fixture improved, is characterized in that the three-stage structure that described device is formed in one comprises: the slope fixed part of epimere, the atlas fixed part in stage casing, and the dentata fixed part of hypomere;
The front portion of described slope fixed part tilts, and has a certain degree, be adjacent to human body anterior approach slope to cause described slope fixed part to be applicable to described atlas fixed part shape;
Described atlas fixed part is level, extends, then extend to form dentata fixed part downwards to both sides; When described atlas fixed part extends to form described dentata fixed part, its central authorities offer open slot;
Described dentata fixed part continues in described atlas fixed part bottom, is fixed on human body neck 2 vertebral body.
2. the anterior approach cranium neck fixture of improvement according to claim 1, is characterized in that: the angle between described slope fixed part and described atlas fixed part is 114 ° to 148 °.
3. the anterior approach cranium neck fixture of improvement according to claim 1, is characterized in that: described slope fixed part is arranged three screws, and triangularity arranges, and makes screw, by described screw, described slope fixed part is fixed on anterior approach slope with activation.
4. the anterior approach cranium neck fixture of improvement according to claim 1, it is characterized in that: the arranged on left and right sides of described atlas fixed part arranges a side screw respectively, make screw, by described side screw, described atlas fixed part is fixed on the left and right lateral mass of atlas with activation.
5. the anterior approach cranium neck fixture of improvement according to claim 1, it is characterized in that: three screws of rounded projections arranged are arranged in the lower end of described dentata fixed part, under upper end holes is fixed on dentata both sides superior articular surface, the empty screw in lower end one is fixed on body of axis midline position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833244.3U CN204410945U (en) | 2014-12-25 | 2014-12-25 | The anterior approach cranium neck fixture improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833244.3U CN204410945U (en) | 2014-12-25 | 2014-12-25 | The anterior approach cranium neck fixture improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204410945U true CN204410945U (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833244.3U Expired - Fee Related CN204410945U (en) | 2014-12-25 | 2014-12-25 | The anterior approach cranium neck fixture improved |
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| Country | Link |
|---|---|
| CN (1) | CN204410945U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434287A (en) * | 2014-12-25 | 2015-03-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN109700517A (en) * | 2019-02-01 | 2019-05-03 | 西安增材制造国家研究院有限公司 | A kind of auxiliary reset instrument and preparation method thereof for atlantoaxial dislocation |
-
2014
- 2014-12-25 CN CN201420833244.3U patent/CN204410945U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434287A (en) * | 2014-12-25 | 2015-03-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN104434287B (en) * | 2014-12-25 | 2017-01-25 | 南方医科大学南方医院 | Anterior cervical and craniocervical fixing device |
| CN109700517A (en) * | 2019-02-01 | 2019-05-03 | 西安增材制造国家研究院有限公司 | A kind of auxiliary reset instrument and preparation method thereof for atlantoaxial dislocation |
| CN109700517B (en) * | 2019-02-01 | 2024-03-19 | 西安增材制造国家研究院有限公司 | Auxiliary resetting device for atlantoaxial dislocation and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20191225 |