CN205493964U - Centrum pjncture needle - Google Patents
Centrum pjncture needle Download PDFInfo
- Publication number
- CN205493964U CN205493964U CN201620180269.7U CN201620180269U CN205493964U CN 205493964 U CN205493964 U CN 205493964U CN 201620180269 U CN201620180269 U CN 201620180269U CN 205493964 U CN205493964 U CN 205493964U
- Authority
- CN
- China
- Prior art keywords
- needle
- opening
- kink
- vertebral body
- puncture needle
- 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.)
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Links
- 238000005452 bending Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 7
- 230000006378 damage Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 208000028389 Nerve injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002639 bone cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000008764 nerve damage Effects 0.000 description 1
- 206010041569 spinal fracture Diseases 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses a centrum pjncture needle, including the needle body, the needle body includes main part section, kink and anterior segment, and the rear end of the main part section of needle body is the stalk portion, and the anterior segment of needle body is connected through the kink and is buckled to the lateral part, and the front end of kink is the syringe needle, and the syringe needle has the opening, and this opening is partial towards the rear end at least. The utility model discloses an overcome prior art's defect, provide a centrum pjncture needle, adopt the utility model discloses an afterwards, can effectual reduction the degree of difficulty of operation, operate more portably, the risk of operation is lower.
Description
Technical field
This utility model belongs to field of surgical, is specifically related to a kind of vertebral body puncture needle.
Background technology
In existing spinal surgical procedure, it is sometimes desirable to carry out vertebral body puncture.As: injecting in vertebral body
Bone cement or during filling autologous bone/allograph bone, needs to be passed into vertebra by puncture needle pedicle
Body, existing lancet design is relatively simple, it is impossible to adapting to the requirement of modem surgical, puncture needle is through vertebral arch
The narrow zone of root, easy injured nerve, causes the secondary injury of operation, too increases the difficulty of operation；
On the other hand, for the patient of vertebral body damage, it is also possible to need fractured vertebral body to be propped up by air bag, existing
Structure cannot effectively the direction of air bag be adjusted, also affect the effect of operation.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, it is provided that a kind of vertebral body puncture needle, uses
After this utility model, can effectively reduce the difficulty of operation, operate easier, the risk of operation is lower.
Its technical scheme is as follows:
Vertebral body puncture needle, including needle body, needle body includes main paragraph, kink and leading portion, the main paragraph of needle body
Rear end be shank, the leading portion of needle body connected by kink and to sidepiece bend, the front end of kink is pin
Head, syringe needle has opening, and this opening is at least partly towards rear end.
The further technical scheme of this utility model is:
The leading portion of needle body is 90 degree to 120 degree relative to the angle of main paragraph.
Being provided with incisal bevel at described syringe needle, this incisal bevel forms described opening, this opening tilt towards rear end.
Formed blunt nosed in the front end of described incisal bevel.
Described kink is arcuation, this kink and described syringe needle and the equal rounding off of main paragraph.
The described opening vertical dimension away from described main paragraph is 5mm to 10mm.
Below advantage of the present utility model or principle are illustrated:
1, when using puncture needle described in the utility model to carry out vertebral body puncturing operation, this puncture needle can be from
The sidepiece of vertebral body penetrates, it is not necessary to through pedicle area, it is to avoid nerve causes secondary damage, and using should
After puncture needle, the risk of operation is greatly reduced, and surgical staff is also without the most operable through strict training；
On the other hand, for the patient that vertebral fracture reset is undesirable, due to the opening at least portion of vertebral body puncturing operation
Divide towards rear end, can be adjusted by unidirectional air bag and strut direction and specific aim local reset can be by little
Strut dynamics and reach reduction of the fracture effect, be possible not only to reduce because of brute-force sled dial or strut secondary osseous tissue or
The most neurovascular damage of surrounding tissue, reduces operation technique difficulty simultaneously.
2, the leading portion of needle body is 90 degree to 120 degree relative to the angle of main paragraph, uses this angular range,
Can effectively ensure the direction of syringe needle upper shed, be also convenient for inserting of this puncture needle.
3, described opening is towards the rear of rear end, when being strutted by air bag, and the angle that air bag struts
It is more beneficial for the reset of damaged bone piece position；For reducing difficulty when puncture needle is inserted, it is provided with at described syringe needle
Incisal bevel, this incisal bevel forms described opening, this opening tilt towards rear end；So, before incisal bevel
End formation needle point is to facilitate puncture needle really to insert, and its inclined-plane forms rearward opening.
4, described kink is arcuation, this kink and described syringe needle and the equal rounding off of main paragraph, is wearing
When pricker is inserted more smoothly, also reduce vertebra joint and the damage of hetero-organization thereof.
5, the described opening vertical dimension away from described main paragraph is 5mm to 10mm, and opening is relative to main paragraph
Distance long, it has not been convenient to inserting of puncture needle, opening is too short relative to the distance of main paragraph, puncture needle
Opening can not effectively stretch into the inner chamber of vertebra joint.
6, the front end of incisal bevel is formed blunt nosed, it is to avoid the other soft tissue of vertebra is damaged in the front end of syringe needle during inserting
And blood vessel.
Accompanying drawing explanation
Fig. 1 is the structure chart of vertebral body puncture needle described in this utility model embodiment；
Fig. 2 is that described in Fig. 1, figure is put in the local of the front end of vertebral body puncture needle；
Fig. 3 is the schematic diagram using vertebral body puncture needle described in this utility model embodiment to carry out puncturing operation；
Description of reference numerals:
10, main paragraph, 11, shank, 20, kink, 30, leading portion, 31, opening, 32, incisal bevel,
33, blunt nosed, 40, vertebral body, 41, canalis spinalis, 42, inner chamber, 50, air bag.
Detailed description of the invention
Below embodiment of the present utility model is described in detail.
As shown in Figure 1 to Figure 3, a kind of vertebral body puncture needle, including needle body, needle body includes main paragraph 10, curved
Folding part 20 and leading portion 30, the rear end of the main paragraph 10 of needle body is shank 11, and the leading portion 30 of needle body is by curved
Folding part 20 connects and bends to sidepiece, and the front end of kink 20 is syringe needle, and syringe needle has opening 31, and this is opened
Mouth 31 is at least partly towards rear end.
Wherein, the leading portion 30 of needle body is 90 degree to 120 degree relative to the angle of main paragraph 10, described in open
Mouth 31 vertical dimensions away from described main paragraph 10 are 5mm to 10mm.Described kink 20 is arcuation, should
Kink 20 and described syringe needle and the equal rounding off of main paragraph 10.It is provided with incisal bevel 32 at described syringe needle, should
Incisal bevel 32 forms described opening 31, this opening 31 tilt towards rear end, at described incisal bevel 32
Front end forms blunt nosed 33.
Described in the present embodiment, vertebral body puncture needle has the advantage that
1, when using vertebral body puncture needle described in the present embodiment to carry out vertebral body puncturing operation, owing to syringe needle is relative
Bending in its main paragraph 10, when inserting vertebral body 40, this puncture needle can be sliding from the lateral border of vertebral body 40
Enter, it is not necessary to through the pedicle of vertebral arch narrow zone of vertebral body 40, it is to avoid break through canalis spinalis 41 and cause nerve injury,
After using this vertebral body puncture needle, the risk of operation is greatly reduced, and surgical staff is also without through strict training
The most operable；On the other hand, owing to the opening 31 of syringe needle is at least partly towards rear end, for vertebral body 40 bone
For the patient of folding, when being strutted by air bag 50, air bag 50 can adjust strut direction and targetedly
Local reset, can be strutted dynamics by little and reached reduction of the fracture effect, be possible not only to reduce because of brute-force
Secondary osseous tissue or the most neurovascular damage of surrounding tissue are dialled or strutted to sled, reduces operation technique difficult simultaneously
Degree.
2, the leading portion 30 of needle body is 90 degree to 120 degree relative to the angle of main paragraph 10, uses this angle
Scope, can effectively ensure the direction of syringe needle upper shed 31, be also convenient for inserting of this puncture needle.
3, described opening 31 is towards the rear of rear end, and when being strutted by air bag 50, air bag 50 supports
The angle opened is more beneficial for the reset of damaged bone piece position；For reducing difficulty when puncture needle is inserted, described
Syringe needle is provided with incisal bevel 32, and this incisal bevel 32 forms described opening 31, this opening 31 tilt towards rear
End；So, the front end of incisal bevel 32 forms needle point to facilitate puncture needle really to insert, its inclined-plane formed to
The opening 31 at rear.
4, described kink 20 is arcuation, this kink 20 and described syringe needle and the roundest and the most smooth mistake of main paragraph 10
Cross, more smooth when puncture needle is inserted, also reduce the damage to vertebral body and hetero-organization thereof.
5, the described opening 31 vertical dimension away from described main paragraph 10 is 5mm to 10mm, and opening 31 is relative
Long in the distance of main paragraph 10, it has not been convenient to inserting of puncture needle, opening 31 is relative to main paragraph 10
Apart from too short, the opening 31 of puncture needle can not effectively stretch into the inner chamber 42 of vertebral body.
6, the front end of incisal bevel 32 forms blunt nosed 33, it is to avoid vertebra is damaged in the front end of syringe needle during inserting other soft
Tissue and blood vessel.
These are only specific embodiment of the utility model, do not limit protection model of the present utility model with this
Enclose；Any replacement made on the basis of not violating this utility model design and improvement, all belong to this practicality new
The protection domain of type.
Claims (6)
1. vertebral body puncture needle, it is characterised in that include that needle body, needle body include main paragraph, kink and front
Section, the rear end of the main paragraph of needle body is shank, and the leading portion of needle body is connected by kink and bends to sidepiece,
The front end of kink is syringe needle, and syringe needle has opening, and this opening is at least partly towards rear end.
2. vertebral body puncture needle as claimed in claim 1, it is characterised in that the leading portion of needle body is relative to main body
The angle of section is 90 degree to 120 degree.
3. vertebral body puncture needle as claimed in claim 2, it is characterised in that be provided with incisal bevel at described syringe needle,
This incisal bevel forms described opening, this opening tilt towards rear end.
4. vertebral body puncture needle as claimed in claim 3, it is characterised in that in the front end shape of described incisal bevel
Become blunt nosed.
5. vertebral body puncture needle as according to any one of Claims 1-4, it is characterised in that described bending
Portion is arcuation, this kink and described syringe needle and the equal rounding off of main paragraph.
6. vertebral body puncture needle as according to any one of Claims 1-4, it is characterised in that described opening
Vertical dimension away from described main paragraph is 5mm to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180269.7U CN205493964U (en) | 2016-03-09 | 2016-03-09 | Centrum pjncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180269.7U CN205493964U (en) | 2016-03-09 | 2016-03-09 | Centrum pjncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205493964U true CN205493964U (en) | 2016-08-24 |
Family
ID=56731223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620180269.7U Active CN205493964U (en) | 2016-03-09 | 2016-03-09 | Centrum pjncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205493964U (en) |
-
2016
- 2016-03-09 CN CN201620180269.7U patent/CN205493964U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180309 Address after: Guangdong province Dongguan City Gaobu town 523000 three Tang Lu Sun Science and Technology Park A Building 2 floor B District Patentee after: Guangdong good care medical Polytron Technologies Inc Address before: 510000 Guangdong city of Guangzhou province Tianhe District east two street, No. 66 room 904 Patentee before: Zheng Minghui |
|
| TR01 | Transfer of patent right |