CN204351913U - A kind of cervical vertebra plate dilator - Google Patents
A kind of cervical vertebra plate dilator Download PDFInfo
- Publication number
- CN204351913U CN204351913U CN201420778039.1U CN201420778039U CN204351913U CN 204351913 U CN204351913 U CN 204351913U CN 201420778039 U CN201420778039 U CN 201420778039U CN 204351913 U CN204351913 U CN 204351913U
- Authority
- CN
- China
- Prior art keywords
- arm
- calliper rule
- slide calliper
- struts
- cervical vertebra
- 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 - Fee Related
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Abstract
This utility model relates to technical field of medical instruments, specifically a kind of cervical vertebra plate dilator with scale and limit function, comprise two of being connected by hold-down nut and strut arm, handle is extended in described one end strutting arm, the other end strutting arm extends and struts tooth, and described two strut between arm and are provided with slide calliper rule; Described slide calliper rule are connected to the side that one of them struts arm; Described slide calliper rule are axially arranged with chute along it, are provided with caging bolt in chute.The beneficial effects of the utility model are, define the maximum of dilator and strut distance, avoid causing excessively strutting cervical vertebra plate, operation are implemented safer and more effective; Can to position and precision is high strutting distance in the preoperative, saving the time in art, improving procedure efficiency.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of cervical vertebra plate dilator with scale and limit function.
Background technology
Neck way of escape open door laminoplasty is one of major surgical mode of the multiple cervical spine disorders such as treatment multilevel cervical spondylosis, cervical ossified posterior longitudinal ligament, stenosis.This art formula, by being cut off the side of lesion segment cervical vertebra plate and raising to offside, expands to realize vertebral canal volume, removes compressing.But this art formula is postoperative often can there is the complication such as segmental Radiculopathy, cervical region axial pain, affects patient's prognosis, and often causes patients ' life quality to decline.Research in recent years finds, it is the main cause causing above complication that excessively decompression in art, vertebral plate strut amplitude excessive.
Application number is " 200920254467.3 ", Authorization Notice No. is " CN 201524104 U ", name is called that the Chinese utility model patent of " Laminoplasty spreader " discloses a kind of Laminoplasty spreader for using in the plastic operation of neck way of escape single open-door cervical spinal canal, comprise two by the hinged half arm of axis, this half arm by integrative-structure strut arm and handle forms, described strut that arm top is provided with flat lamellar strut end, this struts end and struts arm junction stepped, between two handles, spacer pin is housed, this spacer pin is set with limit spring.The defect of this utility model patent is: the dynamics that struts of disclosed Laminoplasty spreader is difficult to control and strut dynamics deficiency.
Application number is " 201120406371.1 ", Authorization Notice No. is " CN 202288428 U ", name is called that the Chinese utility model patent of " a kind of vertebral plate spreader adopting laminoplasty " discloses a kind of Laminoplasty spreader, described Laminoplasty spreader is provided with two that handle is connected with by hold-down nut and struts arm, two of being provided with in intermediate formation tiger's jaw in the described top strutting arm strut tooth, and two tiger's jaw openings strutted on arm are contrary; Be provided with arc slide calliper rule between described hold-down nut and annulus, slide calliper rule wherein with sawtooth, the inner side strutting arm described in one of them is provided with elastic steel sheet, and outside is provided with fixing card.The defect of this utility model is: the scope that struts of described dilator cannot accurately set, and easily causes many degree to strut, and must regulate the yardstick strutted in art, waste operating time.
What existing Laminoplasty spreader accurately cannot hold vertebral plate struts amplitude, easily causes many degree strutting, bringing on a disaster property consequence.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of cervical vertebra plate dilator with scale and limit function.
In order to achieve the above object, this utility model provides a kind of cervical vertebra plate dilator, comprises two of being connected by hold-down nut and struts arm, described in strut arm one end extend handle, the other end strutting arm extends and struts tooth, and described two strut between arm and are provided with slide calliper rule;
Described slide calliper rule are connected to the side that one of them struts arm;
Described slide calliper rule are axially arranged with chute along it, are provided with caging bolt in chute.
Preferably, described slide calliper rule are axially arranged with scale strip along it.
Preferably, the side that described one of them struts arm connects elastic steel sheet, and the outside of elastic steel sheet is provided with fixing card, and elastic steel sheet is provided with sawtooth;
Described slide calliper rule are provided with latch along the side of its axis, and described slide calliper rule and sawtooth cooperatively interact clamping.
Preferably, the described tooth that struts is provided with chamfering structure with the junction strutting arm.
The beneficial effects of the utility model are, define the maximum of dilator and strut distance, avoid causing excessively strutting cervical vertebra plate, operation are implemented safer and more effective; Can to position and precision is high strutting distance in the preoperative, saving the time in art, improving procedure efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is enforcement schematic diagram of the present utility model.
Wherein:
1-struts arm 2-handle 3-and struts tooth
4-slide calliper rule 5-chute 6-caging bolt
The fixing card of 7-scale strip 8-elastic steel sheet 9-
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Embodiment 1:
A kind of cervical vertebra plate dilator as shown in Figure 1, comprise two of being connected by hold-down nut and strut arm 1, handle 2 is extended in described one end strutting arm 1, the other end strutting arm 1 extends and struts tooth 3, described two strut between arm 1 and are provided with slide calliper rule 4, and slide calliper rule 4 are connected to the side that one of them struts arm 1.
Described slide calliper rule 4 are axially arranged with chute 5 along it, are provided with caging bolt 6 in chute 5.Be fixed on by caging bolt 6 on the diverse location of chute 5, position-limiting action can be played to the spacing of two handles 2, to prevent from strutting the strutting apart from excessive of tooth 3, cervical vertebra plate is damaged.
Described slide calliper rule 4 are axially arranged with scale strip 7 along it, strut amplitude for accurately holding.When strutting tooth 3 and being in closure state, scale is 0.
The side that described one of them struts arm 1 connects elastic steel sheet 8, and elastic steel sheet 8 is provided with fixing card 9 relative to the outside strutting arm 1, and elastic steel sheet 8 is provided with sawtooth;
Described slide calliper rule 4 are provided with latch along the side of its axis, and described slide calliper rule and sawtooth cooperatively interact clamping.
The described tooth 3 that struts is provided with chamfering structure with the junction strutting arm 1, can not cause damage when strutting to periphery vertebral plate.
Actual example:
A kind of cervical vertebra plate dilator as shown in Fig. 1 ~ 2, preoperative according to CT scanning of cervical vertebra, measure the distance that vertebral plate needs to strut, according to the scale on scale strip 7, caging bolt 6 is fixed on the correct position of slide calliper rule 4 internal chute 5.
Cut off decompression sections vertebral plate side in art, arm 1 will be strutted and stretch into cut-off part, and make to strut tooth 3 correspondence after gap location, compression handles 2 lentamente.Due to cooperatively interacting of sawtooth and slide calliper rule, compression handles 2 there will not be the phenomenon withdrawn in the process of compression, is beneficial to fixing.When the amplitude of strutting reaches re-set target, the limited bolt 6 of handle 2 blocks and stops continuing to strut, and is avoiding excessively strutting, and makes vertebral plate maintain one and suitable struts amplitude, be convenient to insert internal fixtion.
Below the embodiment that is preferably that this utility model is created is illustrated, but this utility model is created and is not limited to described embodiment, those of ordinary skill in the art can also make all equivalent modification or replacement under the prerequisite without prejudice to this utility model creative spirit, and these equivalent modifications or replacement are all included in the application's claim limited range.
Claims (4)
1. a cervical vertebra plate dilator, comprise two of being connected by hold-down nut and strut arm (1), handle (2) is extended in described one end strutting arm (1), the other end strutting arm (1) extends and struts tooth (3), it is characterized in that: described two strut between arm (1) and are provided with slide calliper rule (4);
Described slide calliper rule (4) are connected to the side that one of them struts arm (1);
Described slide calliper rule (4) are axially arranged with chute (5) along it, are provided with caging bolt (6) in chute (5).
2. a kind of cervical vertebra plate dilator according to claim 1, is characterized in that: described slide calliper rule (4) are axially arranged with scale strip (7) along it.
3. a kind of cervical vertebra plate dilator according to claim 1, it is characterized in that: the side that described one of them struts arm (1) connects elastic steel sheet (8), the outside of elastic steel sheet (8) is provided with fixing card (9), and elastic steel sheet (8) is provided with sawtooth;
Described slide calliper rule (4) are provided with latch along the side of its axis, and described slide calliper rule and sawtooth cooperatively interact clamping.
4. a kind of cervical vertebra plate dilator according to claim 1, is characterized in that: the described tooth (3) that struts is provided with chamfering structure with the junction strutting arm (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778039.1U CN204351913U (en) | 2014-12-10 | 2014-12-10 | A kind of cervical vertebra plate dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778039.1U CN204351913U (en) | 2014-12-10 | 2014-12-10 | A kind of cervical vertebra plate dilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204351913U true CN204351913U (en) | 2015-05-27 |
Family
ID=53253412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420778039.1U Expired - Fee Related CN204351913U (en) | 2014-12-10 | 2014-12-10 | A kind of cervical vertebra plate dilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204351913U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615976A (en) * | 2016-01-22 | 2016-06-01 | 郑州大学第一附属医院 | Opener for vertebral plate |
| CN106859711A (en) * | 2016-12-30 | 2017-06-20 | 四川大学华西医院 | Device is raised in a kind of cervical vertebra single open-door operation vertebral plate rotation |
| CN115054359A (en) * | 2022-08-18 | 2022-09-16 | 首都医科大学附属北京潞河医院 | Atlantoaxial lateral joint ventral side spreader and use method thereof |
-
2014
- 2014-12-10 CN CN201420778039.1U patent/CN204351913U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615976A (en) * | 2016-01-22 | 2016-06-01 | 郑州大学第一附属医院 | Opener for vertebral plate |
| CN105615976B (en) * | 2016-01-22 | 2017-12-01 | 郑州大学第一附属医院 | Device is raised for vertebral plate |
| CN106859711A (en) * | 2016-12-30 | 2017-06-20 | 四川大学华西医院 | Device is raised in a kind of cervical vertebra single open-door operation vertebral plate rotation |
| CN106859711B (en) * | 2016-12-30 | 2020-07-31 | 四川大学华西医院 | Vertebral plate rotating opener for cervical vertebra single-door opening operation |
| CN115054359A (en) * | 2022-08-18 | 2022-09-16 | 首都医科大学附属北京潞河医院 | Atlantoaxial lateral joint ventral side spreader and use 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 |
Granted publication date: 20150527 Termination date: 20171210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |