CN208625771U - A kind of mastoid retractor - Google Patents
A kind of mastoid retractor Download PDFInfo
- Publication number
- CN208625771U CN208625771U CN201820100732.1U CN201820100732U CN208625771U CN 208625771 U CN208625771 U CN 208625771U CN 201820100732 U CN201820100732 U CN 201820100732U CN 208625771 U CN208625771 U CN 208625771U
- Authority
- CN
- China
- Prior art keywords
- transverse slat
- connecting rod
- inner cavity
- fixedly connected
- bar
- 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
The utility model discloses a kind of mastoid retractors, including transverse slat, the bottom of the transverse slat is fixedly connected with handle, the two sides of the transverse slat bottom offer slide opening, the two sides of the transverse slat inner cavity are provided with connecting rod, the connecting rod extends to the outside of transverse slat far from one end of transverse slat inner cavity, the bottom of the connecting rod and be located at transverse slat inner cavity be fixedly connected with threaded rod, the bottom of the threaded rod runs through slide opening and extends to the outside of slide opening, one end that the threaded rod is located at outside slide opening is arranged with screwed pipe, one end that the connecting rod is located at outside transverse slat is fixedly connected with vertical tube.The utility model can be fixed connecting rod by the setting of threaded rod and screwed pipe, improve the stability for retracting bar, surgical operation is carried out convenient for doctor, cooperated by vertical tube, traction bar, traction pawl, threaded hole, bolt and stripper plate, different traction bars can be replaced, according to the demand of operation convenient for the use of doctor.
Description
Technical field
The utility model relates to the field of medical instrument technology, specially a kind of mastoid retractor.
Background technique
Medical instrument refers to instrument, equipment, utensil, external diagnosis reagent and the calibration for being directly or indirectly used for human body
Object, material and other similar or relevant article, including required computer software, effectiveness mainly pass through the side such as physics
Formula obtains, although not being to be obtained by way of pharmacology, immunology perhaps metabolism or have these modes to participate in only rising
Booster action, mastoid retractor is common a kind of instrument in surgical operation, especially in aural microsurgery, after making traction ear
Mastoidea soft tissue is used, and existing mastoid retractor is connected by pin shaft with adjustment frame by left and right traction bar, cannot be to adjusting after
Traction bar be fixed, retract bar and adjustment frame and connect for integral type, different lead can not be needed replacing according to operation
Opening lever, is not easy to the use of doctor.
Utility model content
The purpose of this utility model is to provide a kind of mastoid retractor, the traction bar after adjusting can be consolidated by having
It is fixed, can be according to operation the advantages of needing replacing different traction bars, the traction bar after adjusting cannot be fixed by solving,
It is that integral type is connect that bar, which is retracted, with adjustment frame, can not be according to operation the problem of needing replacing different traction bars.
To achieve the above object, the utility model provides the following technical solutions: a kind of mastoid retractor, including transverse slat, institute
The bottom for stating transverse slat is fixedly connected with handle, and the two sides of the transverse slat bottom offer slide opening, the two sides of the transverse slat inner cavity
It is provided with connecting rod, the connecting rod extends to the outside of transverse slat, the bottom of the connecting rod far from one end of transverse slat inner cavity
And the inner cavity for being located at transverse slat is fixedly connected with threaded rod, the bottom of the threaded rod runs through slide opening and extends to the outside of slide opening,
One end that the threaded rod is located at outside slide opening is arranged with screwed pipe, and one end that the connecting rod is located at outside transverse slat is fixedly connected
There is vertical tube, the inner cavity of the vertical tube is provided with traction bar, the external fixed company for retracting the opposite side of bar and being located at vertical tube
It is connected to traction pawl, the vertical tube offers threaded hole at the top of connecting rod side, and the vertical tube is close to connecting rod side
Top is provided through bolt, and one end of the bolt runs through threaded hole and extends to the inner cavity of threaded hole, the bolt and spiral shell
Pit is threadedly coupled, and one end that the bolt is located at vertical tube inner cavity is fixedly connected with stripper plate.
Preferably, the surface of the threaded rod is provided with external screw thread, and the inner wall of the screwed pipe is provided with and external screw thread phase
The internal screw thread of adaptation, the top of the screwed pipe are contacted with the bottom of transverse slat, and the bottom of the screwed pipe is fixedly connected with turntable.
Preferably, translot is offered at the top of the transverse slat inner cavity, the connecting rod is located at the top of transverse slat inner cavity one end
It is fixedly connected with slide bar, the slide bar extends to the inner cavity of translot far from one end of connecting rod.
Preferably, one end that the slide bar is located at translot inner cavity is connected with pulley by shaft, and the pulley is separate
The side of slide bar is contacted with the inner wall of translot.
Preferably, the front of the connecting rod is provided with graduation mark, and the distance of the every lattice of graduation mark is one millimeter.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model is cooperated by transverse slat, slide opening, connecting rod, vertical tube and traction bar, can adjust connecting rod
Depth positioned at transverse slat inner cavity, so that the distance between two traction bars are adjusted, it can by the setting of threaded rod and screwed pipe
Connecting rod is fixed, the stability for retracting bar is improved, carries out surgical operation convenient for doctor, by vertical tube, traction bar, is led
It opens pawl, threaded hole, bolt and stripper plate to be cooperated, different traction bars can be replaced according to the demand of operation, be convenient for doctor
Use.
2, the utility model is held handle convenient for doctor and is operated to retractor, slide opening opens up by setting handle
Convenient for sliding laterally for threaded rod, the setting of turntable increases the contact area of screwed pipe and finger, convenient for the rotation of screwed pipe,
Support can be balanced to connecting rod by the setting of translot and slide bar, convenient for the transverse shifting of connecting rod, the setting of pulley
Frictional force between slide bar and translot is reduced, by the way that graduation mark is arranged, connecting rod can be accurately adjusted and be located at transverse slat inner cavity
Depth makes two connecting rods be in symmetry status, by the way that stripper plate is arranged, increase bolt and retracts the contact area of bar, energy
Enough traction bar cramp is held more stable.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model vertical tube and the connection structure schematic cross-sectional view for retracting bar.
In figure: 1 transverse slat, 2 handles, 3 slide openings, 4 connecting rods, 5 threaded rods, 6 screwed pipes, 7 vertical tubes, 8 retract bars, 9 retract pawls,
10 threaded holes, 11 bolts, 12 stripper plates, 13 turntables, 14 translots, 15 slide bars, 16 pulleys, 17 graduation marks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of mastoid retractor referring to FIG. 1-2, including transverse slat 1, the bottom of transverse slat 1 are fixedly connected with handle 2, pass through
Handle 2 is set, holds handle 2 convenient for doctor and retractor is operated, the two sides of 1 bottom of transverse slat offer slide opening 3, transverse slat
The two sides of 1 inner cavity are provided with connecting rod 4, and connecting rod 4 extends to the outside of transverse slat 1, transverse slat 1 far from one end of 1 inner cavity of transverse slat
Translot 14 is offered at the top of inner cavity, connecting rod 4, which is located at the top of 1 inner cavity one end of transverse slat, is fixedly connected with slide bar 15, slide bar 15
One end far from connecting rod 4 extends to the inner cavity of translot 14, and one end that slide bar 15 is located at 14 inner cavity of translot is connected by shaft activity
It is connected to pulley 16, side of the pulley 16 far from slide bar 15 is contacted with the inner wall of translot 14, passes through the setting of translot 14 and slide bar 15
Support can be balanced to connecting rod 4, convenient for the transverse shifting of connecting rod 4, the setting of pulley 16 reduces slide bar 15 and cross
Frictional force between slot 14, the front of connecting rod 4 are provided with graduation mark 17, and the distance of the every lattice of graduation mark 17 is one millimeter, by setting
Graduation mark 17 is set, the depth that connecting rod 4 is located at 1 inner cavity of transverse slat can be accurately adjusted, two connecting rods 4 is made to be in symmetry shape
State, the bottom of connecting rod 4 and the inner cavity for being located at transverse slat 1 are fixedly connected with threaded rod 5, and the bottom of threaded rod 5 through slide opening 3 and is prolonged
The outside of slide opening 3 is extended to, slide opening 3 opens up sliding laterally convenient for threaded rod 5, and threaded rod 5 is located at the end cap outside slide opening 3
Equipped with screwed pipe 6, the surface of threaded rod 5 is provided with external screw thread, and the inner wall of screwed pipe 6 is provided with interior spiral shell compatible with external screw thread
The top of line, screwed pipe 6 is contacted with the bottom of transverse slat 1, and the bottom of screwed pipe 6 is fixedly connected with turntable 13, the setting of turntable 13
The contact area of screwed pipe 6 Yu finger is increased, convenient for the rotation of screwed pipe 6, it is solid that connecting rod 4 is located at one end outside transverse slat 1
Surely it is connected with vertical tube 7, the inner cavity of vertical tube 7, which is provided with, retracts bar 8, retracts the opposite side of bar 8 and is located at the external fixed of vertical tube 7
It is connected with and retracts pawl 9, vertical tube 7 offers threaded hole 10 at the top of 4 side of connecting rod, and vertical tube 7 is close to 4 side of connecting rod
Top is provided through bolt 11, and one end of bolt 11 is through threaded hole 10 and extends to the inner cavity of threaded hole 10, bolt 11 with
Threaded hole 10 is threadedly coupled, and one end that bolt 11 is located at 7 inner cavity of vertical tube is fixedly connected with stripper plate 12, by the way that stripper plate is arranged
12, it increases bolt 11 and retracts the contact area of bar 8, transverse slat 1, slide opening can be passed through to the more stable of the clamping of bar 8 is retracted
3, connecting rod 4, vertical tube 7 and traction bar 8 are cooperated, and the depth that connecting rod 4 is located at 1 inner cavity of transverse slat can be adjusted, to adjust
The distance between two traction bars 8 can be fixed connecting rod 4 by the setting of threaded rod 5 and screwed pipe 6, improve
The stability of bar 8 is retracted, carries out surgical operation convenient for doctor, by vertical tube 7, retracts bar 8, traction pawl 9, threaded hole 10, bolt
11 and stripper plate 12 cooperated, different traction bars 8 can be replaced, according to the demand of operation convenient for the use of doctor.
In use, transverse shifting connecting rod 4, adjusts the depth that connecting rod 4 is located at 1 inner cavity of transverse slat, connecting rod 4 drives vertical tube
7 and 8 transverse shifting of bar is retracted, adjusts the distance between two traction bars 8, rotary turnplate 13 drives screwed pipe 6 to rotate, and makes screw thread
The top of pipe 6 and transverse slat 1 are in close contact, so that connecting rod 4 be fixed, are more finished changing after retracting bar 8, and rotation bolt 11 makes spiral shell
Bolt transverse shifting, bolt 11 drive 12 transverse shifting of stripper plate, make stripper plate 12 and retract the close contact of bar 8, thus to traction
Bar 8 is fixed.
In summary: the mastoid retractor by slide opening 3, connecting rod 4, threaded rod 5, screwed pipe 6, vertical tube 7, retracts bar
8, the cooperation of pawl 9, threaded hole 10, bolt 11 and stripper plate 12 is retracted, the traction bar after adjusting cannot be fixed by solving,
It is that integral type is connect that bar, which is retracted, with adjustment frame, can not be according to operation the problem of needing replacing different traction bars.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of mastoid retractor, including transverse slat (1), it is characterised in that: the bottom of the transverse slat (1) is fixedly connected with handle
(2), the two sides of transverse slat (1) bottom offer slide opening (3), and the two sides of transverse slat (1) inner cavity are provided with connecting rod
(4), the connecting rod (4) extends to the outside of transverse slat (1), the bottom of the connecting rod (4) far from one end of transverse slat (1) inner cavity
And the inner cavity for being located at transverse slat (1) is fixedly connected with threaded rod (5), the bottom of the threaded rod (5) through slide opening (3) and extends to
The outside of slide opening (3), the threaded rod (5) are located at the external one end of slide opening (3) and are arranged with screwed pipe (6), the connecting rod (4)
One end external positioned at transverse slat (1) is fixedly connected with vertical tube (7), and the inner cavity of the vertical tube (7), which is provided with, retracts bar (8), described
It retracts bar (8) opposite side and is fixedly connected with positioned at the outside of vertical tube (7) and retract pawl (9), the vertical tube (7) is close to connection
It is offered threaded hole (10) at the top of bar (4) side, the vertical tube (7) is provided through at the top of connecting rod (4) side
One end of bolt (11), the bolt (11) runs through threaded hole (10) and extends to the inner cavity of threaded hole (10), the bolt
(11) it is threadedly coupled with threaded hole (10), one end that the bolt (11) is located at vertical tube (7) inner cavity is fixedly connected with stripper plate
(12)。
2. a kind of mastoid retractor according to claim 1, it is characterised in that: the surface of the threaded rod (5) is provided with
External screw thread, the inner wall of the screwed pipe (6) are provided with internal screw thread compatible with external screw thread, the top of the screwed pipe (6) with
The bottom of transverse slat (1) contacts, and the bottom of the screwed pipe (6) is fixedly connected with turntable (13).
3. a kind of mastoid retractor according to claim 1, it is characterised in that: opened up at the top of transverse slat (1) inner cavity
Have translot (14), the connecting rod (4), which is located at the top of transverse slat (1) inner cavity one end, is fixedly connected with slide bar (15), the slide bar
(15) one end far from connecting rod (4) extends to the inner cavity of translot (14).
4. a kind of mastoid retractor according to claim 3, it is characterised in that: the slide bar (15) is located in translot (14)
One end of chamber is connected with pulley (16) by shaft, side and translot (14) of the pulley (16) far from slide bar (15)
Inner wall contact.
5. a kind of mastoid retractor according to claim 1, it is characterised in that: the front of the connecting rod (4) is provided with
Graduation mark (17), the distance of the every lattice of the graduation mark (17) are one millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820100732.1U CN208625771U (en) | 2018-01-10 | 2018-01-10 | A kind of mastoid retractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820100732.1U CN208625771U (en) | 2018-01-10 | 2018-01-10 | A kind of mastoid retractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208625771U true CN208625771U (en) | 2019-03-22 |
Family
ID=65729827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820100732.1U Expired - Fee Related CN208625771U (en) | 2018-01-10 | 2018-01-10 | A kind of mastoid retractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208625771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559023A (en) * | 2019-09-05 | 2019-12-13 | 刘晓东 | Minimally invasive retractor for spinal surgery and associated methods |
| CN112869792A (en) * | 2021-02-18 | 2021-06-01 | 王凯 | Retractor for lower abdomen low-position rectal tumor operation |
| CN113349851A (en) * | 2021-07-16 | 2021-09-07 | 华中科技大学同济医学院附属协和医院 | Duodenum intracavity spreader |
-
2018
- 2018-01-10 CN CN201820100732.1U patent/CN208625771U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559023A (en) * | 2019-09-05 | 2019-12-13 | 刘晓东 | Minimally invasive retractor for spinal surgery and associated methods |
| CN112869792A (en) * | 2021-02-18 | 2021-06-01 | 王凯 | Retractor for lower abdomen low-position rectal tumor operation |
| CN113349851A (en) * | 2021-07-16 | 2021-09-07 | 华中科技大学同济医学院附属协和医院 | Duodenum intracavity spreader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |