CN203763142U - Neurosurgical retractor - Google Patents
Neurosurgical retractor Download PDFInfo
- Publication number
- CN203763142U CN203763142U CN201420071179.5U CN201420071179U CN203763142U CN 203763142 U CN203763142 U CN 203763142U CN 201420071179 U CN201420071179 U CN 201420071179U CN 203763142 U CN203763142 U CN 203763142U
- Authority
- CN
- China
- Prior art keywords
- retractor
- arms
- adapter
- screw
- forearm
- 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
Links
- 210000000245 Forearm Anatomy 0.000 claims description 17
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000002105 nanoparticle Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 210000003491 Skin Anatomy 0.000 abstract description 11
- 210000003205 Muscles Anatomy 0.000 abstract description 4
- 238000001356 surgical procedure Methods 0.000 abstract description 3
- 241000282472 Canis lupus familiaris Species 0.000 abstract 2
- 239000000789 fastener Substances 0.000 abstract 1
- 230000001105 regulatory Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 description 8
- 230000001954 sterilising Effects 0.000 description 6
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003110 anti-inflammatory Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 201000009910 diseases by infectious agent Diseases 0.000 description 2
- 210000003625 Skull Anatomy 0.000 description 1
- 230000001186 cumulative Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- 210000001519 tissues Anatomy 0.000 description 1
Abstract
The utility model discloses a neurosurgical retractor and belongs to the field of medical devices. The neurosurgical retractor comprises a retractor body, wherein two handles are arranged on the retractor body; a fastener is arranged at the upper middle part between the two handles; a rear am is arranged at the front end of each of the handles; the front parts of the rear arms are hinged to front arms; pusher dogs are arranged at the front ends of the front arms; screw holes are formed in ends, connected with the rear arms, of the front arms; a connector is arranged outside the retractor body; openings are formed in the two ends of the connector and are connected with nuts; clamping groove half arms and clamping head half arms are arranged on the rear arms, in this way, after the retractor retracts muscles or skins, the connector is connected, and the rear parts of the clamping head half arms are demounted to reduce the occupied area of the retractor and increase surgery field; the connector is connected with the front arms, and the length of the connector is regulated through the connection of rotary spiral flute and a screw head, so that the function of the pusher dogs is not affected, the size of the retractor is reduced, and the operation of the retractor is more convenient during a surgery.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of neurosurgery retractor.
Background technology
When neurosurgery row skull or spinal operation, usually need to retract skin and muscular tissue, conventional is a kind of retractor that utilizes lever principle to make, cumulative volume occupied when tractive is large, visual area when impact operation is carried out exposes, in neurosurgery process, good visual area exposes and can be described as one of key that whole successful surgery carries out, the one side that improves visual area exposure depends on the size of tractive opening, during on the other hand also with retractor tractive, shared volume is relevant, the size of retractor had both affected the operation of operation, also can disturb the exposure of visual area, retractor volume while reducing to perform the operation, can increase visual area exposes, reduce operation risk.
Summary of the invention
The purpose of this utility model is to provide a kind of neurosurgery retractor, to solve the above-mentioned multinomial defect causing in prior art.
A kind of neurosurgery retractor, comprise retractor body, described retractor body is provided with two hands handles, described handle middle part cross-articulation, upper middle part between described two handles is provided with dead lock, described handle front end is provided with postbrachium, described postbrachium front and forearm are hinged, described forearm front end is provided with pusher dog, on described forearm, be provided with screw with postbrachium handing-over end place, described retractor body is provided with adapter outward, described adapter middle part is provided with rotation screw channel and spiral shell head, described adapter two ends are provided with perforate, described perforate is connected with nut, described screw and nut screw togather, described postbrachium is provided with draw-in groove half arm and dop half arm, described draw-in groove half arm engages with dop half arm.
Preferably, described pusher dog is provided with 3-5.
Preferably, described nut top is round tooth colyliform.
Preferably, the length of described screw is 2/3～4/5 of forearm thickness.
Preferably, described adapter is stainless steel.
Preferably, described adapter is provided with silver nanoparticle coating.
The utility model has the advantage of: rational in infrastructure, easy to use, such retractor can be by after muscle or skin retractor, adapter in connection, draw-in groove half arm and dop half arm are separated, unload dop half arm part below, reduce the shared part of retractor, increasing visual area exposes, by screwing togather of screw and nut, adapter is connected with forearm, by the connection of rotation screw channel and spiral shell head, adjust the length of adapter, neither can affect the function of pusher dog, also reduced the volume of retractor, more convenient to operate in operation process, nut top is round tooth colyliform, increase the frictional force of hand spiral, minimizing is skidded, the length of screw is 2/3～4/5 of forearm thickness, can not touch when rotated skin, also can ensure screw and nut be connected firmly, adapter is stainless steel, hardness is strong, rigidity is large, not fragile, also be convenient to sterilization, adapter is provided with silver nanoparticle coating, silver has the effect of anti-inflammation and sterilization, in the time of laminating skin, reduce the possibility that infection occurs.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of neurosurgery retractor described in the utility model.
The schematic diagram of Fig. 2 adapter described in the utility model.
Wherein: 1-retractor body, 2-handle, 3-dead lock, 4-postbrachium, 5-forearm, 6-pusher dog, 7-screw, 8-adapter, 9-rotation screw channel, 10-spiral shell head, 11-perforate, 12-nut, 13-draw-in groove, half arm, 14-dop, half arm, 15-silver nanoparticle coating.
Detailed description of the invention
For technological means, creation characteristic that this utility model is realized, reach object and effect is easy to understand, below in conjunction with detailed description of the invention, further set forth this utility model.
As shown in Figure 1, a kind of neurosurgery retractor, comprise retractor body 1, described retractor body 1 is provided with two handles 2, described handle 2 middle part cross-articulation, upper middle part between described two handles 2 is provided with dead lock 3, described handle 2 front ends are provided with postbrachium 4, described postbrachium 4 fronts and forearm 5 are hinged, described forearm 5 front ends are provided with pusher dog 6, on described forearm 5, join end place with postbrachium 4 and be provided with screw 7, the outer adapter 8 that is provided with of described retractor body 1, described adapter 8 middle parts are provided with rotation screw channel 9 and spiral shell head 10, described adapter 8 two ends are provided with perforate 11, described perforate 11 is connected with nut 12, described screw 7 screws togather with nut 12, described postbrachium 4 is provided with draw-in groove half arm 13 and dop half arm 14, described draw-in groove half arm 13 engages with dop half arm 14, such retractor can be by after muscle or skin retractor, adapter 8 in connection, draw-in groove half arm 13 and dop half arm 14 are separated, unload dop half arm 14 part below, reduce the shared part of retractor, increasing visual area exposes, by screwing togather of screw 7 and nut 12, adapter 8 is connected with forearm 5, by the connection of rotation screw channel 9 and spiral shell head 10, adjust the length of adapter 8, neither can affect the function of pusher dog 6, also reduced the volume of retractor, more convenient to operate in operation process.
Wherein, described pusher dog 6 is provided with 3-5, and described nut 12 tops are round tooth colyliform, increases the frictional force of hand spiral, reduces hand and skids.
In addition, the length of described screw 7 is 2/3～4/5 of forearm 5 thickness, can not touch when rotated skin, also can ensure screw 7 and nut 12 be connected firmly.
It should be noted that described adapter 8 is stainless steel, hardness is strong, and rigidity is large, not fragile, is also convenient to sterilization, and described adapter 8 is provided with silver nanoparticle coating 15, and silver has the effect of anti-inflammation and sterilization, in the time of laminating skin, reduces the possibility that generation is infected.
Based on above-mentioned, rational in infrastructure, easy to use, such retractor can be by after muscle or skin retractor, adapter in connection, draw-in groove half arm and dop half arm are separated, unload dop half arm part below, reduce the shared part of retractor, increasing visual area exposes, by screwing togather of screw and nut, adapter is connected with forearm, by the connection of rotation screw channel and spiral shell head, adjust the length of adapter, neither can affect the function of pusher dog, also reduced the volume of retractor, more convenient to operate in operation process, nut top is round tooth colyliform, increase the frictional force of hand spiral, reducing hand skids, the length of screw is 2/3～4/5 of forearm thickness, can not touch when rotated skin, also can ensure screw and nut be connected firmly, adapter is stainless steel, hardness is strong, rigidity is large, not fragile, also be convenient to sterilization, adapter is provided with silver nanoparticle coating, silver has the effect of anti-inflammation and sterilization, in the time of laminating skin, reduce the possibility that infection occurs.
As known by the technical knowledge, this utility model can be realized by other the embodiment that does not depart from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Allly within the scope of this utility model or in the change being equal in scope of the present utility model, be all included in the utility model.
Claims (6)
1. a neurosurgery retractor, comprise retractor body, described retractor body is provided with two hands handles, described handle middle part cross-articulation, upper middle part between described two handles is provided with dead lock, described handle front end is provided with postbrachium, described postbrachium front and forearm are hinged, described forearm front end is provided with pusher dog, it is characterized in that: on described forearm, be provided with screw with postbrachium handing-over end place, described retractor body is provided with adapter outward, described adapter middle part is provided with rotation screw channel and spiral shell head, described adapter two ends are provided with perforate, described perforate is connected with nut, described screw and nut screw togather, described postbrachium is provided with draw-in groove half arm and dop half arm, described draw-in groove half arm engages with dop half arm.
2. a kind of neurosurgery retractor according to claim 1, is characterized in that: described pusher dog is provided with 3-5.
3. a kind of neurosurgery retractor according to claim 1, is characterized in that: described nut top is round tooth colyliform.
4. a kind of neurosurgery retractor according to claim 1, is characterized in that: the length of described screw is 2/3～4/5 of forearm thickness.
5. a kind of neurosurgery retractor according to claim 1, is characterized in that: described adapter is stainless steel.
6. a kind of neurosurgery retractor according to claim 1, is characterized in that: described adapter is provided with silver nanoparticle coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071179.5U CN203763142U (en) | 2014-02-19 | 2014-02-19 | Neurosurgical retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420071179.5U CN203763142U (en) | 2014-02-19 | 2014-02-19 | Neurosurgical retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203763142U true CN203763142U (en) | 2014-08-13 |
Family
ID=51280400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420071179.5U Expired - Fee Related CN203763142U (en) | 2014-02-19 | 2014-02-19 | Neurosurgical retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203763142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU169558U1 (en) * | 2016-04-11 | 2017-03-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный медицинский университет" Министерства здравоохранения Российской Федерации | UNIVERSAL SPREADER WITH REPLACEABLE WORKING ELEMENTS |
| CN107961075A (en) * | 2017-12-13 | 2018-04-27 | 四川知创空间孵化器管理有限公司 | A kind of surgery mechanical arm with antibacterial functions |
-
2014
- 2014-02-19 CN CN201420071179.5U patent/CN203763142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU169558U1 (en) * | 2016-04-11 | 2017-03-22 | федеральное государственное бюджетное образовательное учреждение высшего образования "Башкирский государственный медицинский университет" Министерства здравоохранения Российской Федерации | UNIVERSAL SPREADER WITH REPLACEABLE WORKING ELEMENTS |
| CN107961075A (en) * | 2017-12-13 | 2018-04-27 | 四川知创空间孵化器管理有限公司 | A kind of surgery mechanical arm with antibacterial functions |
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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: 20140813 Termination date: 20150219 |
|
| EXPY | Termination of patent right or utility model |