CN106821488A - A kind of screw is fixed and takes out auxiliary sleeve - Google Patents
A kind of screw is fixed and takes out auxiliary sleeve Download PDFInfo
- Publication number
- CN106821488A CN106821488A CN201710223273.6A CN201710223273A CN106821488A CN 106821488 A CN106821488 A CN 106821488A CN 201710223273 A CN201710223273 A CN 201710223273A CN 106821488 A CN106821488 A CN 106821488A
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- connecting rod
- sleeve
- screw
- groove
- arc
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Surgical Instruments (AREA)
Abstract
Fixed the invention discloses a kind of screw and take out auxiliary sleeve,Including compressive sleeve,First connecting rod,Second connecting rod and hinged block,The 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 are correspondingly provided with semicircle draw-in groove,The side wall of the first connecting rod connects one end of arc inserted link,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 bottom of the first spring and arc sleeve,This screw is fixed to take out and aids in tube-in-tube structure simple,Close up the hollow nail and screw that can block various models by adding semicircle draw-in groove,Multi-use can be realized,Elastic draw-in groove 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 damages,Slide after compressive sleeve is slided to draw-in groove and increased fixed certainty.
Description
Technical field
The present invention relates to technical field of medical instruments, specially a kind of screw is fixed and takes out auxiliary sleeve.
Background technology
Minimally invasive surgery is, by microtrauma or Mini approach, special instrument, physical energy or chemical agent to be sent into people
Internal portion, completes 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, is characterized in being significantly less than the wound of patient corresponding traditional surgery.With near
Carry out minimally invasive popularization, increasing minimally invasive nail technology of putting starts in clinical practice, wherein, number of patent application：
A kind of micro-wound surgical operation disclosed in CN201320773765.X, can not be more preferable in applied technical field with outer tube is oriented to
Meet medical science needs, small otch is clinically frequently encountered at present and puts nail shakiness after nail, it is not easy to entered 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 otch,
Or reversely drawn using apparatuses such as pliers, wound is increased, extend operating time, increase infection chance.Therefore, proposing a kind of
Screw is fixed and takes out auxiliary sleeve.
The content of the invention
Fixed it is an object of the invention to provide a kind of screw and take out auxiliary sleeve, to solve to be proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of screw is fixed and 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 the first connecting rod one end and one end of second connecting rod
Semicircle draw-in groove is correspondingly provided with, the side wall of the first connecting rod connects one end of arc inserted link, 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 is threaded with screw rod in offering screwed hole, and screwed hole, screw rod
Upper end and limited block are connected, and the lower end of the screw rod is provided with circular protrusions, and circular protrusions are circular recessed with what supporting leg upper end opened up
Groove matches clamping, and the lower end of the supporting leg and spheroid rotate connection；
The first connecting rod is connected away from one end of a side wall connecting T-shaped bar of semicircle draw-in groove, the second connecting rod
Away from one end connection of a side wall connecting T-shaped bar of semicircle draw-in groove, 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, and the pulling box and handle rotate connection.
Preferably, the lower wall that the upper side wall of the compressive sleeve opens up screw thread number of perforations and has two, compressive sleeve is opened up
Screw thread number of perforations has two.
Preferably, each described screw rod is provided with graduated scale in being the transparent body, and screw rod.
Preferably, the hinged block is located at position between two spheroids.
Preferably, the side wall of the semicircle draw-in groove is provided with multiple anti-skid bulges, between semicircle draw-in groove and first connecting rod
It is vertically arranged.
Preferably, the handle is provided with anti-slip veins.
Compared with prior art, the beneficial effects of the invention are as follows：This screw is fixed and takes out auxiliary tube-in-tube structure simply, is passed through
Semicircle draw-in groove is added to close up the hollow nail and screw that can block various models, it is possible to achieve multi-use, elastic draw-in groove
Also smoothly can smoothly be exited from minimally invasive small skin incision in the case of opening, it is not necessary to increase incision length, extra increase damages
Wound, slides after compressive sleeve is slided to draw-in groove and increased fixed certainty, increases stability when putting nail and taking nail, accurately
Property, handle can be reduced puts rocking for nail, it is ensured that accurate, while increasing the pulling force for retreating when nail is taken, prevents nail in the original location
Idle running, stands fast.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A structure enlarged diagrams.
In figure：1 compressive sleeve, 2 first connecting rods, 3 second connecting rods, 4 hinged blocks, 5 handles, 6 semicircle draw-in grooves, 7 arcs are inserted
Bar, 8 arc sleeves, 9 first springs, 10 spheroids, 11 supporting legs, 12 screw rods, 13 graduated scales, 14 limited blocks, 15 pulling boxes, 16T types
Bar, 17 second springs.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-2 is referred to, the present invention provides a kind of technical scheme：
A kind of screw is fixed and 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 the equal activity of second connecting rod 3 are plugged in compressive sleeve 1, and first connecting rod 2 one end and second connecting rod 3 one
End is correspondingly provided with semicircle draw-in groove 6, and the side wall of semicircle draw-in groove 6 is provided with multiple anti-skid bulges, and semicircle draw-in groove 6 and first connects
It is vertically arranged between bar 2, the side wall of first connecting rod 2 connects one end of arc inserted link 7, the side wall connection arc sleeve of second connecting rod 3
Cylinder 8, and the activity of arc inserted link 7 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, the activity of arc inserted link 7 is plugged on arc sleeve
Cylinder 8, plays firm effect, while the two ends of the first spring 9 are welded on the position between arc inserted link 7 and arc sleeve 8, is easy to
Elastic telescopic.
The top and bottom sidewall of compressive sleeve 1 is threaded with screw rod 12, compressive sleeve in offering screwed hole, and screwed hole
1 upper side wall opens up screw thread number of perforations two, and the lower wall of compressive sleeve 1 opens up screw thread number of perforations two, screw rod 12
Upper end and limited block 14 are connected, and each screw rod 12 is in the transparent body, and screw rod 12 and is provided with graduated scale 13, the spiral shell again of adjusting bolt 12
When being moved up and down in pit, operator can be while rotate, while seeing on graduated scale 13 from the screw rod 12 of the transparent body
The scale value of regulation, the lower end of screw rod 12 is provided with circular protrusions, the circular groove that circular protrusions are opened up with the upper end of supporting leg 11
With clamping, the lower end of supporting leg 11 and spheroid 10 rotate connection, and hinged block 4 is located at position between two spheroids 10, spheroid 10
Move up and down to adjust the angle between first connecting rod 2 and second connecting rod 3.
First connecting rod 2 away from a side wall connecting T-shaped bar 16 of semicircle draw-in groove 6 one end connection, second connecting rod 3 away from
One end connection of one side wall connecting T-shaped bar 16 of semicircle draw-in groove 6, and the activity of two T-bars 16 is plugged in pulling box 15 and opens
If through hole in, second spring 17 is socketed with T-bar 16, and one end of second spring 17 and the lateral wall of pulling box 15 offset
Touch, the other end of second spring 17 and one end of T-bar 16 are inconsistent, pulling box 15 and handle 5 rotate connection, can be along not Tongfang
To pull handle, handle 5 is provided with anti-slip veins, and handle 5 is that two poles are constituted, and two poles are mutually plugged, and are easy to elongation
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 the upper end of supporting leg 11 opens up, now circular protrusions in circular groove while rotating, drive on one side
Supporting leg 11 is moved up and down, and supporting leg 11 drives moving up and down for spheroid 10, and the side of second connecting rod 3 is withstood due to two spheroids 10
Wall, two spheroids 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,
Two gap adjustment of the semicircle composition of draw-in groove 6 are driven, meanwhile, graduated scale 13 is provided with screw rod 12, further according to hollow nail and spiral shell
The model of nail is of different sizes, two two gaps of the semicircle composition of draw-in groove 6 can be accurately adjusted out, between adjusting
Gap, is easy to Rapid matching to block hollow nail and screw, and then pull handle 5 can will take out screw.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. a kind of screw is fixed and takes out auxiliary sleeve, including compressive sleeve (1), first connecting rod (2), second connecting rod (3) and is hinged
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 draw-in groove (6), the first connecting rod (2)
One end of side wall connection arc inserted link (7), the side wall of second connecting rod (3) connects arc sleeve (8), 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) is threaded with screw rod (12), screw rod in offering screwed hole, and screwed hole
(12) upper end and limited block (14) connection, the lower end of the screw rod (12) is provided with circular protrusions, circular protrusions and supporting leg
(11) the circular groove matching clamping that upper end opens up, the lower end of the supporting leg (11) and spheroid (10) rotate connection；
The first connecting rod (2) connects away from one end of side wall connecting T-shaped bar (16) of semicircle draw-in groove (6), and described the
Two connecting rods (3) are connected away from one end of side wall connecting T-shaped bar (16) of semicircle draw-in groove (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) rotate connection.
2. a kind of screw according to claim 1 is fixed and 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) opens up screw thread number of perforations two.
3. a kind of screw according to claim 1 is fixed and takes out auxiliary sleeve, it is characterised in that：Each described screw rod (12)
It is in the transparent body, and screw rod (12) and is provided with graduated scale (13).
4. a kind of screw according to claim 1 is fixed and takes out auxiliary sleeve, it is characterised in that：Hinged block (4) position
The position between two spheroids (10).
5. a kind of screw according to claim 1 is fixed and takes out auxiliary sleeve, it is characterised in that：The semicircle draw-in groove
(6) side wall is provided with multiple anti-skid bulges, is vertically arranged between semicircle draw-in groove (6) and first connecting rod (2).
6. a kind of screw according to claim 1 is fixed and takes out auxiliary sleeve, it is characterised in that：Set on the handle (5)
There are anti-slip veins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223273.6A CN106821488B (en) | 2017-04-07 | 2017-04-07 | Auxiliary sleeve for screw fixation and taking out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223273.6A CN106821488B (en) | 2017-04-07 | 2017-04-07 | Auxiliary sleeve for screw fixation and taking out |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106821488A true CN106821488A (en) | 2017-06-13 |
| CN106821488B CN106821488B (en) | 2023-08-11 |
Family
ID=59146565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710223273.6A Active CN106821488B (en) | 2017-04-07 | 2017-04-07 | Auxiliary sleeve for screw fixation and taking out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106821488B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374718A (en) * | 2017-08-17 | 2017-11-24 | 温州市人民医院 | A kind of screw broken nail device for fetching nail |
| CN108703801A (en) * | 2018-06-15 | 2018-10-26 | 中国人民解放军陆军军医大学第附属医院 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and method |
| CN108771565A (en) * | 2018-07-09 | 2018-11-09 | 芜湖明凯医疗器械科技有限公司 | A kind of orthopaedics screw clamping mechanism |
| CN109480961A (en) * | 2018-12-19 | 2019-03-19 | 刘文选 | A kind of dermatology's clinic tweezers dedicated |
| CN109770976A (en) * | 2019-03-28 | 2019-05-21 | 陈进 | A kind of dedicated limit forceps of ophthalmologic operation |
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| CN101342088A (en) * | 2007-07-11 | 2009-01-14 | 南京医科大学附属南京第一医院 | Internal fixation screw positioner |
| CN202223335U (en) * | 2011-09-15 | 2012-05-23 | 冯阳 | Bone nail extractor |
| CN202875465U (en) * | 2012-11-25 | 2013-04-17 | 李同生 | Novel orthopedic pincers |
| CN204379427U (en) * | 2015-01-08 | 2015-06-10 | 张文卿 | A kind of nail-fetching device for orthopaedics |
| CN105012006A (en) * | 2015-07-19 | 2015-11-04 | 孟媛 | Nail-removing apparatus for orthopedics department |
| CN205268269U (en) * | 2015-12-31 | 2016-06-01 | 武永富 | Shin calf screw is followed closely absolutely and is taken out locator down |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
| CN207341802U (en) * | 2017-04-07 | 2018-05-11 | 中国人民解放军总医院 | A kind of screw, which is fixed, takes out auxiliary sleeve |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080015587A1 (en) * | 2006-05-24 | 2008-01-17 | Munoz Felipe L | Locking nail system for arthrodesis reconstruction in calcaneus fractures |
| CN101342088A (en) * | 2007-07-11 | 2009-01-14 | 南京医科大学附属南京第一医院 | Internal fixation screw positioner |
| CN201094663Y (en) * | 2007-09-30 | 2008-08-06 | 孙兴亮 | Novel medical nail taking-out forceps |
| CN202223335U (en) * | 2011-09-15 | 2012-05-23 | 冯阳 | Bone nail extractor |
| CN202875465U (en) * | 2012-11-25 | 2013-04-17 | 李同生 | Novel orthopedic pincers |
| CN204379427U (en) * | 2015-01-08 | 2015-06-10 | 张文卿 | A kind of nail-fetching device for orthopaedics |
| CN105012006A (en) * | 2015-07-19 | 2015-11-04 | 孟媛 | Nail-removing apparatus for orthopedics department |
| CN205268269U (en) * | 2015-12-31 | 2016-06-01 | 武永富 | Shin calf screw is followed closely absolutely and is taken out locator down |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374718A (en) * | 2017-08-17 | 2017-11-24 | 温州市人民医院 | A kind of screw broken nail device for fetching nail |
| CN108703801A (en) * | 2018-06-15 | 2018-10-26 | 中国人民解放军陆军军医大学第附属医院 | It is a kind of percutaneously to position the minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics and method |
| CN108703801B (en) * | 2018-06-15 | 2019-11-12 | 中国人民解放军陆军军医大学第一附属医院 | A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics |
| CN108771565A (en) * | 2018-07-09 | 2018-11-09 | 芜湖明凯医疗器械科技有限公司 | A kind of orthopaedics screw clamping mechanism |
| CN109480961A (en) * | 2018-12-19 | 2019-03-19 | 刘文选 | A kind of dermatology's clinic tweezers dedicated |
| CN109480961B (en) * | 2018-12-19 | 2021-04-16 | 刘文选 | Clinical special tweezers of dermatology |
| CN109770976A (en) * | 2019-03-28 | 2019-05-21 | 陈进 | A kind of dedicated limit forceps of ophthalmologic operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106821488B (en) | 2023-08-11 |
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