CN207341802U - A kind of screw, which is fixed, takes out auxiliary sleeve - Google Patents
A kind of screw, which is fixed, takes out auxiliary sleeve Download PDFInfo
- Publication number
- CN207341802U CN207341802U CN201720357682.0U CN201720357682U CN207341802U CN 207341802 U CN207341802 U CN 207341802U CN 201720357682 U CN201720357682 U CN 201720357682U CN 207341802 U CN207341802 U CN 207341802U
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- Prior art keywords
- connecting rod
- sleeve
- screw
- arc
- fixed
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Abstract
Fixed the utility model discloses a kind of screw and take out auxiliary sleeve,Including compressive sleeve,First connecting rod,Second connecting rod and hinged block,The equal activity of first connecting rod and second connecting rod is plugged in compressive sleeve,And one end of the first connecting rod and one end of second connecting rod are correspondingly provided with semicircle card slot,One end of the side wall connection arc inserted link of the first connecting rod,The side wall connection arc sleeve of second connecting rod,And arc inserted link activity is plugged in arc sleeve,The other end of arc inserted link is connected by the first spring with the bottom of arc sleeve,This screw, which is fixed to take out, aids in tube-in-tube structure simple,The hollow nail and screw of various models can be blocked by being closed up by the semicircle card slot of addition,It can realize multi-use,Elastic neck also smoothly can be exited smoothly in the case of opening from minimally invasive small skin incision,Incision length need not be increased,Extra increase damage,Slide after compressive sleeve is slided to card slot and add fixed certainty.
Description
Technical field
The field of medical instrument technology is the utility model is related to, is specially that a kind of screw fixes taking-up auxiliary sleeve.
Background technology
Minimally invasive surgery is by microtrauma or Mini approach, and special instrument, physical energy or chemical agent are sent into people
Internal portion, is completed to the surgical procedures such as lesion, deformity, the inactivation of wound, excision, reparation or reconstruction in human body, to reach
The medical science branch of therapeutic purposes, its main feature is that being significantly less than corresponding traditional surgery to the wound of patient.With near
Carry out minimally invasive popularization, more and more minimally invasive nail technologies of putting start in clinical practice, wherein, number of patent application：
A kind of micro-wound surgical operation disclosed in CN201320773765.X, cannot be more preferable in applied technical field with outer tube is oriented to
Meet medicine needs, it is unstable clinically to frequently encounter nail after small notch puts nail at present, it is not easy into nail, and moving back nail
When difficult (especially hollow nail), original position idle running, it is impossible to situations such as falling back, runs into this method, can only many times expand notch,
Or reversely drawn using apparatuses such as pliers, wound is added, extends operating time, increases infection chance.For this reason, propose a kind of
Screw, which is fixed, takes out auxiliary sleeve.
The content of the invention
Fixed the purpose of this utility model is to provide a kind of screw and take out auxiliary sleeve, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical solution：
A kind of screw, which is fixed, takes out auxiliary sleeve, including compressive sleeve, first connecting rod, second connecting rod and hinged block, described
First connecting rod and the equal activity of second connecting rod are plugged in compressive sleeve, and one end of the first connecting rod and one end of second connecting rod
It is correspondingly provided with semicircle card slot, one end of the side wall connection arc inserted link of the first connecting rod, the side wall connection of second connecting rod
Arc sleeve, and arc inserted link activity is plugged in arc sleeve, the other end of arc inserted link passes through the first spring and arc sleeve
The bottom connection of cylinder；
The top and bottom sidewall of the compressive sleeve offers threaded hole, and screw rod is threaded with threaded hole, screw rod
Upper end is connected with limited block, and the lower end of the screw rod is equipped with circular protrusions, and circular protrusions open up circular recessed with support leg upper end
Groove matching clamping, the lower end of the support leg and sphere rotation connection；
One end connection of one end side wall connecting T-shaped bar of the first connecting rod away from semicircle card slot, the second connecting rod
One end connection of one end side wall connecting T-shaped bar away from semicircle card slot, and two T-bar activities are plugged on what is opened up in pulling box
In through hole, second spring is socketed with the T-bar, and one end of second spring and the lateral wall of pulling box are inconsistent, the second bullet
The other end of spring and one end of T-bar are inconsistent, the pulling box and handle rotation connection.
Preferably, the upper side wall of the compressive sleeve, which opens up screw thread number of perforations, two, and the lower wall of compressive sleeve opens up
Screw thread number of perforations has two.
Preferably, each screw rod is the transparent body, and graduated scale is equipped with screw rod.
Preferably, hinged block position between two spheres.
Preferably, the side wall of the semicircle card slot is equipped with multiple anti-skid bulges, between semicircle card slot and first connecting rod
It is vertically arranged.
Preferably, the handle is equipped with anti-skid chequer.
Compared with prior art, the beneficial effects of the utility model are：This screw, which is fixed to take out, aids in tube-in-tube structure simple,
The hollow nail and screw of various models can be blocked by being closed up by the semicircle card slot of addition, it is possible to achieve multi-use, elastic card
Groove also smoothly can be exited smoothly in the case of opening from minimally invasive small skin incision, it is not necessary to increase incision length, it is extra to increase
Add damage, slide after compressive sleeve is slided to card slot and add fixed certainty, increase stability when putting nail and taking nail, it is accurate
True property, handle, which can be reduced, puts rocking for nail, and it is accurate to ensure, while the pulling force that increase retreats when taking nail, prevents nail in original
Position idle running, stands fast.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is A structure enlargement diagrams.
In figure：1 compressive sleeve, 2 first connecting rods, 3 second connecting rods, 4 hinged blocks, 5 handles, 6 semicircle card slots, 7 arcs are inserted
Bar, 8 arc sleeves, 9 first springs, 10 spheres, 11 support legs, 12 screw rods, 13 graduated scales, 14 limited blocks, 15 pulling boxes, 16T types
Bar, 17 second springs.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of screw, which is fixed, takes out auxiliary sleeve, including compressive sleeve 1, first connecting rod 2, second connecting rod 3 and hinged block 4,
First connecting rod 2 and 3 equal activity of second connecting rod are plugged in compressive sleeve 1, and the one of one end of first connecting rod 2 and second connecting rod 3
End is correspondingly provided with semicircle card slot 6, and the side wall of semicircle card slot 6 is equipped with multiple anti-skid bulges, and semicircle card slot 6 and first connects
It is vertically arranged between bar 2, one end of the side wall connection arc inserted link 7 of first connecting rod 2, the side wall connection arc sleeve of second connecting rod 3
Cylinder 8, and 7 activity of arc inserted link is plugged in arc sleeve 8, the other end of arc inserted link 7 passes through the first spring 9 and arc sleeve
8 bottom connection, when angle changes between first connecting rod 2 and second connecting rod 3, wherein, 7 activity of arc inserted link is plugged on arc sleeve
Cylinder 8, plays firm effect, while the both ends of the first spring 9 are welded on the position between arc inserted link 7 and arc sleeve 8, are easy to
Elastic telescopic.
The top and bottom sidewall of compressive sleeve 1 offers threaded hole, and screw rod 12, compressive sleeve are threaded with threaded hole
1 upper side wall, which opens up screw thread number of perforations, two, and the lower wall of compressive sleeve 1, which opens up screw thread number of perforations, two, screw rod 12
Upper end and limited block 14 connect, and each screw rod 12 is the transparent body, and graduated scale 13 is equipped with screw rod 12, the spiral shell again of adjustment screw 12
When being moved up and down in pit, operator can be while rotate, while seeing from the screw rod 12 of the transparent body on graduated scale 13
The scale value of adjusting, the lower end of screw rod 12 are equipped with circular protrusions, the circular groove that circular protrusions are opened up with 11 upper end of support leg
With clamping, the lower end of support leg 11 and sphere 10 are rotatablely connected, the position between two spheres 10 of hinged block 4, sphere 10
Move up and down to adjust the angle between first connecting rod 2 and second connecting rod 3.
One end connection of one end side wall connecting T-shaped bar 16 of the first connecting rod 2 away from semicircle card slot 6, second connecting rod 3 are remote
One end connection of one end side wall connecting T-shaped bar 16 of semicircle card slot 6, and two 16 activities of T-bar are plugged in pulling box 15 and open
If through hole in, second spring 17 is socketed with T-bar 16, and the lateral wall of one end of second spring 17 and pulling box 15 offsets
Touch, the other end of second spring 17 and one end of T-bar 16 are inconsistent, and pulling box 15 and handle 5 are rotatablely connected, can be along not Tongfang
To pull handle, handle 5 is equipped with anti-skid chequer, and handle 5 forms for two poles, and two poles mutually plug, easy to extend
Operation.
Operation principle：Operator by rotary spacing block 14 drive screw rod 12 rotation, screw rod 12 by circular protrusions with
The matching clamping of circular groove that 11 upper end of support leg opens up, at this time circular protrusions in circular groove while rotating, drive on one side
Support leg 11 moves up and down, and support leg 11 drives moving up and down for sphere 10, since two spheres 10 withstand the side of second connecting rod 3
Wall, two spheres 10 withstand the side wall of first connecting rod 2, complete the adjustment to the angle between first connecting rod 2 and second connecting rod 3,
The gap adjustment that two semicircle card slots 6 form is driven, meanwhile, graduated scale 13 is equipped with screw rod 12, further according to hollow nail and spiral shell
The model of nail is of different sizes, the gap that two two semicircle card slots 6 form can be accurately adjusted out, between good
Gap, hollow nail and screw are blocked easy to Rapid matching, and then pull handle 5 can will take out screw.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of screw, which is fixed, takes out auxiliary sleeve, including compressive sleeve (1), first connecting rod (2), second connecting rod (3) and hingedly
Block (4), it is characterised in that：The first connecting rod (2) and second connecting rod (3) activity are plugged in compressive sleeve (1), and described
One end of first connecting rod (2) and one end of second connecting rod (3) are correspondingly provided with semicircle card slot (6), the first connecting rod (2)
One end of side wall connection arc inserted link (7), the side wall connection arc sleeve (8) of second connecting rod (3), and arc inserted link (7) activity
It is plugged in arc sleeve (8), the other end of arc inserted link (7) is connected by the bottom of the first spring (9) and arc sleeve (8)
Connect；
The top and bottom sidewall of the compressive sleeve (1) offers threaded hole, and screw rod (12), screw rod are threaded with threaded hole
(12) upper end and limited block (14) connection, the lower end of the screw rod (12) is equipped with circular protrusions, circular protrusions and support leg
(11) the circular groove matching clamping that upper end opens up, the lower end of the support leg (11) and sphere (10) rotation connection；
One end connection of one end side wall connecting T-shaped bar (16) of the first connecting rod (2) away from semicircle card slot (6), described the
One end connection of one end side wall connecting T-shaped bar (16) of two connecting rods (3) away from semicircle card slot (6), and two T-bars (16) are living
It is dynamic to be plugged in the through hole opened up in pulling box (15), second spring (17), and second spring are socketed with the T-bar (16)
(17) one end and the lateral wall of pulling box (15) is inconsistent, and the other end of second spring (17) and one end of T-bar (16) offset
Touch, the pulling box (15) and handle (5) rotation connection.
2. a kind of screw according to claim 1, which is fixed, takes out auxiliary sleeve, it is characterised in that：The compressive sleeve (1)
Upper side wall open up screw thread number of perforations and have two, the lower wall of compressive sleeve (1), which opens up screw thread number of perforations, two.
3. a kind of screw according to claim 1, which is fixed, takes out auxiliary sleeve, it is characterised in that：Each screw rod (12)
It is the transparent body, and graduated scale (13) is equipped with screw rod (12).
4. a kind of screw according to claim 1, which is fixed, takes out auxiliary sleeve, it is characterised in that：Hinged block (4) position
The position between two spheres (10).
5. a kind of screw according to claim 1, which is fixed, takes out auxiliary sleeve, it is characterised in that：The semicircle card slot
(6) side wall is equipped with multiple anti-skid bulges, is vertically arranged between semicircle card slot (6) and first connecting rod (2).
6. a kind of screw according to claim 1, which is fixed, takes out auxiliary sleeve, it is characterised in that：Set on the handle (5)
There is anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720357682.0U CN207341802U (en) | 2017-04-07 | 2017-04-07 | A kind of screw, which is fixed, takes out auxiliary sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720357682.0U CN207341802U (en) | 2017-04-07 | 2017-04-07 | A kind of screw, which is fixed, takes out auxiliary sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207341802U true CN207341802U (en) | 2018-05-11 |
Family
ID=62360951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720357682.0U Expired - Fee Related CN207341802U (en) | 2017-04-07 | 2017-04-07 | A kind of screw, which is fixed, takes out auxiliary sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207341802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821488A (en) * | 2017-04-07 | 2017-06-13 | 中国人民解放军总医院 | A kind of screw is fixed and takes out auxiliary sleeve |
-
2017
- 2017-04-07 CN CN201720357682.0U patent/CN207341802U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821488A (en) * | 2017-04-07 | 2017-06-13 | 中国人民解放军总医院 | A kind of screw is fixed and takes out auxiliary sleeve |
| CN106821488B (en) * | 2017-04-07 | 2023-08-11 | 中国人民解放军总医院 | Auxiliary sleeve for screw fixation and taking out |
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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: 20180511 Termination date: 20190407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |