CN205494033U - Cervical vertebra centrum positioner - Google Patents
Cervical vertebra centrum positioner Download PDFInfo
- Publication number
- CN205494033U CN205494033U CN201620223043.0U CN201620223043U CN205494033U CN 205494033 U CN205494033 U CN 205494033U CN 201620223043 U CN201620223043 U CN 201620223043U CN 205494033 U CN205494033 U CN 205494033U
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- handle
- needle
- erector
- groove
- elastic clamp
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Abstract
The embodiment of the utility model discloses cervical vertebra centrum positioner, include: the pilot pin and with pilot pin assorted erector, the pilot pin includes needle handle and syringe needle, and the needle handle sets up to half spherical structure, half spherical structure's circular bottom surface and the perpendicular fixed connection of syringe needle, half spherical structure's sphere top is provided with first recess, and half spherical structure's sphere bilateral symmetry be provided with with syringe needle direction vertically second recess, the erector includes that locating lever subassembly and cover locate the assistance -localization real -time subassembly of locating lever subassembly periphery, the locating lever subassembly include first handle and with the vertical rod inner core of first handle vertical fixation, the assistance -localization real -time subassembly is including the second handle, inner skleeve and the elasticity forceps holder that connect gradually, the second handle is connected with the inner skleeve is perpendicular, the periphery of vertical rod inner core is located to the endotheca barrel casing. The utility model discloses a cervical vertebra centrum positioner effectively reduces intervertebral disc tissue, esophagus and tracheal damage.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly relates to a kind of cervical vertebral body positioner.
Background technology
Cervical spondylosis is common orthopaedic disease, and wherein, myeloid cervical spondylosis and cervical spondylotic radiculopathy can take anterior cervical decompression art to treat.In anterior cervical decompression art, positioning cervical vertebral body sections is an important operation.
Cervical vertebral body positioner of the prior art uses positioning needle, and this positioning needle includes handle and acicular texture, wherein, handle is set to cylindrical structural, acicular texture is set to the rod-like structure of long 10mm-15mm, during operation, carries out X-ray examination after the shank of positioning needle is inserted cervical vertebral body.
But, after shank is inserted cervical vertebral body, shank hinders passage to return to cervical vertebra to disc tissue, esophagus and the trachea of side, thus disc tissue, esophagus and trachea cause extruding, increases the damage to disc tissue, esophagus and trachea.
Utility model content
This utility model embodiment provides a kind of cervical vertebral body positioner, disc tissue, esophagus and trachea is caused extruding, the problem increasing the damage to disc tissue, esophagus and trachea solving in prior art cervical vertebral body positioner.
In order to solve above-mentioned technical problem, this utility model embodiment discloses following technical scheme:
The utility model discloses a kind of cervical vertebral body positioner, including: positioning needle and the erector matched with described positioning needle；
Described positioning needle includes that needle handle and syringe needle, described needle handle are set to hemispherical dome structure, and fix vertical with described syringe needle of the rounded bottom surface of described hemispherical dome structure is connected；
The sphere top of described hemispherical dome structure is provided with the first groove, described first groove is identical with the direction of described syringe needle, be respectively positioned on the axis of described hemispherical dome structure, and the sphere lateral symmetry of described hemispherical dome structure is provided with second groove vertical with described syringe needle direction；
Described erector includes positioning rod component and is sheathed on the auxiliary positioning assembly of described positioning rod component periphery, wherein,
Described positioning rod component includes first handle and the vertical rod inner core fixed vertical with described first handle, the top of described vertical rod inner core and described first groove match；
Described auxiliary positioning assembly includes second handle, inner sleeve and the elastic clamp being sequentially connected with, described second handle is vertical with described inner sleeve to be connected, described elastic clamp is symmetricly set on described inner sleeve, the fixing end of described elastic clamp is fixedly installed on the end of described inner sleeve, block end and described second matching grooves clamping, and described first handle and described second handle are positioned at same one end of described erector；
Described inner sleeve is sheathed on the periphery of described vertical rod inner core, the length of described vertical rod inner core is more than the length of described inner sleeve, described inner sleeve periphery is arranged with the spring for clamping described elastic clamp, and described spring is between described second handle and described elastic clamp.
Preferably, described erector also includes outer sleeve and fixing threeth handle vertical with described outer sleeve, and described 3rd handle and described second handle are positioned at same one end of described erector；
Described outer sleeve is sheathed on described inner sleeve periphery, described spring is arranged between described inner sleeve and outer sleeve, described spring is fixing with described outer sleeve near described 3rd handle one end to be connected, and described spring is fixed with described inner sleeve near one end of described elastic clamp and is connected.
Preferably, described erector also includes strutting sheet for the clamp strutting described elastic clamp, and described clamp struts sheet and is fixed on described vertical rod inner core, and between fixing end and the block end of described elastic clamp.
Preferably, a length of 8mm of described syringe needle, a diameter of 1.5mm.
Preferably, a diameter of 5mm of described needle handle, the degree of depth of the first groove and the second groove is 2mm.
From above technical scheme, this utility model embodiment provide cervical vertebral body positioner include positioning needle and with positioning needle with the use of erector, the needle handle of positioning needle is set to hemispherical dome structure, effectively reduce after positioning needle position, disc tissue, esophagus and trachea return to cervical vertebra before time because extruding the damage caused.Meanwhile, clamp struts the convenient elastic clamp that arranges of sheet and exits from the second groove, and extracts erector smoothly, accelerates operative speed, reduces the misery of patient.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, for those of ordinary skills, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of positioning needle that Fig. 1 provides for this utility model embodiment；
The structural representation of a kind of erector that Fig. 2 provides for this utility model embodiment；
A kind of cervical vertebral body positioning device structure schematic diagram that Fig. 3 provides for this utility model embodiment；
In Fig. 1-Fig. 3, symbol represents:
1-positioning needle, 11-needle handle, 12-syringe needle, 13-the first groove, 14-the second groove, 2-erector, 21-positioning rod component, 211-first handle, 212-vertical rod inner core, 213-clamp struts sheet, 22-auxiliary positioning assembly, 221-second handle, 222-inner sleeve, 223-elasticity clamp, 23-spring, 24-outer sleeve, 25-the 3rd handle.
Detailed description of the invention
This utility model embodiment provides a kind of cervical vertebral body positioner, for the technical scheme making those skilled in the art be more fully understood that in this utility model, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of this utility model protection.
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, with detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
See Fig. 1, structural representation for a kind of positioning needle that this utility model embodiment provides, as shown in FIG., positioning needle 1 includes needle handle 11 and syringe needle 12, wherein needle handle 11 is set to hemispherical dome structure, fix vertical with syringe needle 12 of the rounded bottom surface of hemispherical dome structure is connected, and syringe needle 12 is vertical with hemispherical rounded bottom surface, and is positioned on hemispheric axis.When carrying out vertebra localization under X-ray examination, disc tissue, esophagus and the trachea of positioning needle 1 both sides return to cervical vertebra, owing to needle handle 11 is hemispherical dome structure, the sphere of hemispherical dome structure is little to the extruding force of disc tissue, esophagus and trachea, so, reduce the damage to disc tissue, esophagus and trachea.
Be provided with the first groove 13 on the sphere top of hemispherical dome structure, the first groove 13 is located on the same line with syringe needle 12, say, that the first groove 13 is respectively positioned on the axis of hemispherical dome structure with syringe needle 12.It addition, the sphere lateral symmetry at hemispherical dome structure is provided with second groove 14 vertical with syringe needle 12 direction, say, that the second groove 14 is orthogonal with the first groove 13, so, the second groove 14 is vertical with the axis of hemispherical dome structure.
Positioning needle 1 is inserted in vertebral body when being used for performing the operation, and positions, positioning needle 1 taken out after having positioned again under X has an X-rayed, and when operation, inserting of positioning needle 1 is completed by erector 2 with taking out.
See Fig. 2, for the structural representation of a kind of erector 2 that this utility model embodiment provides.
The erector 2 provided in Fig. 2 includes positioning rod component 21 and is sheathed on the auxiliary positioning assembly 22 of positioning rod component 21 periphery, wherein positioning rod component 21 includes first handle 211 and the vertical rod inner core 212 being vertically fixed on first handle 211, and the top of vertical rod inner core 212 matches with the first groove 13.
Vertical rod inner core 212 top can be plugged in the first groove 13, vertical rod inner core 212 is controlled by pushing or pull on first handle 211, there is provided for positioning needle 1 simultaneously and insert power, first groove 13 mates with vertical rod inner core 212 top, can ensure when inserting positioning needle 1, positioning needle 1 will not shake.
Auxiliary positioning assembly 22 includes second handle 221, inner sleeve 222 and elastic clamp 223, second handle 221, inner sleeve 222 and elastic clamp 223 are fixedly connected sequentially, wherein, inner sleeve 222 and second handle 221 are vertically fixing to be connected, elastic clamp 223 is symmetricly set on inner sleeve 222, the fixing end of elastic clamp 223 is fixedly installed on the end of inner sleeve 222, block end and second groove 14 of elastic clamp 223 mate clamping, elastic clamp 223 can embed in the second groove 14, with vertical rod inner core 212 top with the use of, owing to elastic clamp 223 is flexible, so, after elastic clamp 223 embeds in the second groove 14, positioning needle 1 is clamped.
First handle 211 and second handle 221 are positioned at same one end of erector 2, ensure that elastic clamp 223 and vertical rod inner core 212 top are positioned at same one end, therefore elastic clamp 223 and vertical rod inner core 212 with the use of, positioning needle 1 is clamped by the first groove 13 and the second groove 14 by positioning needle 1, then vertical rod inner core 212 applies power of inserting to positioning needle 1 by first handle 211, positioning needle 1 is inserted in vertebral body.
From the foregoing, it will be observed that inner sleeve 222 needs to be sheathed on the periphery of vertical rod inner core 212, and the length of vertical rod inner core 212 is more than the length of inner sleeve 222, just can ensure that the top of vertical rod inner core 212 is mated with the first groove 13 and coincides together.
Additionally, spring 23 also it is arranged with in inner sleeve 222 periphery, finite elastic due to elastic clamp 223, and the elasticity of elastic clamp 223 diminishes after a long time use, the clamping force of positioning needle 1 is reduced, so, between the second handle 221 and elastic clamp 223 of auxiliary positioning assembly 22, spring 23 is set.
In use, in order to more convenient by pressing spring 23, at the outer sheathed outer sleeve 24 of spring 23, one the 3rd handle 25 is set on spring 23 simultaneously, wherein, fix vertical with spring 23 of the 3rd handle 25 is connected, and the 3rd handle 25 is sheathed on outside inner sleeve 222, and fix vertical with outer sleeve 24 is connected, the 3rd same handle 25 and first handle 211 and second handle 221 are positioned at same one end of erector 2.
Spring 23 is fixing with outer sleeve 24 near the 3rd handle 25 one end to be connected, the other end of spring 23 is fixing with inner sleeve 222 to be connected, so, after positioning needle 1 clamped by elastic clamp 223 pincers, now, loosening the 3rd handle 25, outer sleeve 24 is pressed downward against under the effect of spring 23, thus clamp the upper end of elastic clamp 223, make elastic clamp 223 that the clamp dynamics of positioning needle 1 to be increased.
See Fig. 3, for the using method schematic diagram of a kind of cervical vertebral body positioner that this utility model embodiment provides.
First the 3rd handle 25 is pressed up, and adjust second handle 221, elastic clamp 223 is made to expand, conveniently positioning needle 1 is placed between two clamps, then elasticity clamp 223 is embedded in the second groove 14, unclamp the 3rd handle 25 simultaneously, make spring 23 drive outer sleeve 24 to block downwards and push down elastic clamp 223, make elastic clamp 223 clamping and positioning pin 1.Meanwhile, adjusting first handle 211, the top controlling vertical rod inner core 212 is inserted in the first groove 13, positioning needle 1 is stabilized.Positioning needle 1 being placed on inserts a little, promotes first handle 211, positioning needle 1 is inserted in vertebral body under the motive force effect of vertical rod inner core 212.
Erector 2 also includes that clamp struts sheet 213, clamp struts sheet 213 for strutting elastic clamp 223, clamp struts sheet 213 and is arranged on vertical rod inner core 212, and between fixing end and block end, it is rectangular configuration that the clamp shown in figure struts sheet 213, when rotating first handle 211, vertical rod inner core 212 drives clamp to strut sheet 213 and rotates, clamp struts the two ends of sheet 213 and withstands elastic clamp 223, and is strutted by elasticity clamp 223, makes elastic clamp 223 extract out in the second groove 14.
According to above-mentioned, when positioning needle 1 is inserted in vertebral body, now need to extract localizer, position under X-ray examination, so, after having inserted, press up the 3rd handle 25, eliminate the outer sleeve 24 clamping force to elastic clamp 223, then first handle 211 is rotated, 90-degree rotation, makes clamp strut sheet 213 and struts elastic clamp 223, then extract erector 2.
After location completes, same method, vertical rod inner core 212 and the elastic clamp 223 of erector 2 are mated with the first groove 13 and the second groove 14 respectively, press down on spring 23, the clamping force of the elastic clamp 223 of clamping, the most firmly pull out first handle 211 and second handle 221, positioning needle 1 is extracted.
The length of syringe needle 12 is set to 8mm, and diameter is set to 1.5mm, and the degree of depth of the first groove 13 and the second groove 14 is set to 2mm, arranges vertical rod inner core 212 top mated with the first groove 13 and the second groove 14 and the size of elastic clamp 223 accordingly.
As seen from the above-described embodiment, a kind of cervical vertebral body positioner disclosed in this utility model, including positioning needle 1 and the erector 2 that mates with positioning needle 1, when operation, erector 2 is used to insert in vertebral body by positioning needle 1, and extract erector 2, then relocate, owing to positioning needle 1 needle handle 11 is hemispherical dome structure, so, when disc tissue, esophagus and trachea return to cervical vertebra, positioning needle 1 will not return to cervical vertebra because of hindering disc tissue, esophagus and trachea, and disc tissue, esophagus and trachea are caused damage.
It addition, clamp struts sheet 213 when inserting positioning needle 1 and completing to extract erector 2, elasticity clamp 223 is strutted, quickly erector 2 is extracted, accelerate Advances of operative technique.
It should be noted that, in this article, the such as relational terms of " first " and " second " or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply relation or the order that there is any this reality between these entities or operation.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of key element, method, article or equipment.
Below it is only detailed description of the invention of the present utility model, makes to skilled artisans appreciate that or realize this utility model.Multiple amendment to these embodiments will be apparent to one skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (5)
1. a cervical vertebral body positioner, it is characterised in that including: positioning needle (1) and the erector (2) matched with described positioning needle (1)；
Described positioning needle (1) includes needle handle (11) and syringe needle (12), described needle handle (11) is set to hemispherical dome structure, and fix vertical with described syringe needle (12) of the rounded bottom surface of described hemispherical dome structure is connected；
The sphere top of described hemispherical dome structure is provided with the first groove (13), described first groove (13) is identical with the direction of described syringe needle (12), be respectively positioned on the axis of described hemispherical dome structure, and the sphere lateral symmetry of described hemispherical dome structure is provided with second groove (14) vertical with described syringe needle (12) direction；
Described erector (2) includes positioning rod component (21) and is sheathed on the auxiliary positioning assembly (22) of described positioning rod component (21) periphery, wherein,
Described positioning rod component (21) includes first handle (211) and fixing vertical rod inner core (212) vertical with described first handle (211), and the top of described vertical rod inner core (212) matches with described first groove (13)；
Described auxiliary positioning assembly (22) includes the second handle (221) being sequentially connected with, inner sleeve (222) and elastic clamp (223), described second handle (221) is vertical with described inner sleeve (222) to be connected, described elastic clamp (223) is symmetricly set on described inner sleeve (222), the fixing end of described elastic clamp (223) is fixedly installed on the end of described inner sleeve (222), block end mates clamping with described second groove (14), described first handle (211) and described second handle (221) are positioned at same one end of described erector (2)；
Described inner sleeve (222) is sheathed on the periphery of described vertical rod inner core (212), the length of described vertical rod inner core (212) is more than the length of described inner sleeve (222), described inner sleeve (222) periphery is arranged with the spring (23) for clamping described elastic clamp (223), and described spring (23) is positioned between described second handle (221) and described elastic clamp (223).
Cervical vertebral body positioner the most according to claim 1, it is characterized in that, described erector (2) also includes outer sleeve (24) and fixing threeth handle (25) vertical with described outer sleeve, and described 3rd handle (25) and described second handle (221) are positioned at same one end of described erector (2)；
Described outer sleeve (24) is sheathed on described inner sleeve (222) periphery, described spring (23) is arranged between described inner sleeve (222) and outer sleeve (24), described spring (23) is fixing with described outer sleeve (24) near described 3rd handle (25) one end to be connected, and described spring (23) is fixed with described inner sleeve (222) near one end of described elastic clamp (223) and is connected.
Cervical vertebral body positioner the most according to claim 1, it is characterized in that, described erector (2) also includes strutting sheet (213) for the clamp strutting described elastic clamp (223), described clamp struts sheet (213) and is fixed on described vertical rod inner core (212), and is positioned between fixing end and the block end of described elastic clamp (223).
Cervical vertebral body positioner the most according to claim 1, it is characterised in that a length of 8mm of described syringe needle (12), a diameter of 1.5mm.
Cervical vertebral body positioner the most according to claim 1, it is characterised in that a diameter of 5mm of described needle handle (11), the degree of depth of the first groove (13) and the second groove (14) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620223043.0U CN205494033U (en) | 2016-03-18 | 2016-03-18 | Cervical vertebra centrum positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620223043.0U CN205494033U (en) | 2016-03-18 | 2016-03-18 | Cervical vertebra centrum positioner |
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| Publication Number | Publication Date |
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| CN205494033U true CN205494033U (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620223043.0U Expired - Fee Related CN205494033U (en) | 2016-03-18 | 2016-03-18 | Cervical vertebra centrum positioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670432A (en) * | 2018-06-08 | 2018-10-19 | 北京大学深圳医院 | Anterior approach vertebra localization device |
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2016
- 2016-03-18 CN CN201620223043.0U patent/CN205494033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670432A (en) * | 2018-06-08 | 2018-10-19 | 北京大学深圳医院 | Anterior approach vertebra localization device |
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| 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: 20160824 Termination date: 20180318 |