CN206543205U - A kind of nail taking out apparatus in orthopaedics - Google Patents
A kind of nail taking out apparatus in orthopaedics Download PDFInfo
- Publication number
- CN206543205U CN206543205U CN201621251030.0U CN201621251030U CN206543205U CN 206543205 U CN206543205 U CN 206543205U CN 201621251030 U CN201621251030 U CN 201621251030U CN 206543205 U CN206543205 U CN 206543205U
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- China
- Prior art keywords
- screw
- cutting
- sleeve
- motor
- connection ring
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Abstract
The utility model discloses a kind of nail taking out apparatus in orthopaedics, including mainboard, the mainboard bottom side is fixedly connected with connection ring and motor, the motor is located at connection ring side, chute is provided with the outside of the connection ring, slip ring is provided with the chute, side of the slip ring away from connection ring is fixedly connected with cutting-sleeve, the motor drive end is connected with rotating shaft, one end fixed cover of the rotating shaft away from motor is connected to driving gear, fixed cover is connected to the driven gear engaged with driving gear on the outside of the cutting-sleeve, the mainboard is provided with screwed hole, the screwed hole internal thread is connected with cooperation cylinder.The utility model reasonable in design, screw and hone lamella junction are cut by cutting-sleeve, so that part hone lamella and screw take out jointly, by locking promptly screw while screw is screwed, so that screw be removed, fractureing for screw is effectively prevented, the operating efficiency of healthcare givers is improved.
Description
Technical field
The utility model is related to orthopaedics and takes nail technical field, more particularly to a kind of nail taking out apparatus in orthopaedics.
Background technology
In clinical medicine, fracture is one of common disease of bone wound.Treatment fracture frequently with method be implement in it is solid
Fixed operation, i.e., after fracture site is resetted, connected the bone after reset by means of the bone plate and screw that are made up of metal material
Pick up and., it is necessary to which screw is pulled down during bone plate is removed after implementing internal fixation operation, existing device for fetching nail is mostly
Directly screwed out by instruments such as screwdrivers, take the time-consuming expense of nail process, during the bone growth can caused by screw it is small
It is mobile so that screw and hone lamella are stuck, are fractureed so as to be easily caused during screwing screw, increase wound and operating time, very
To abandoning taking nail, allow it to stay in throughout one's life in bone, inconvenience is brought to patient.
The content of the invention
The purpose of this utility model is that, in order to solve shortcoming present in prior art, and a kind of orthopaedics proposed takes and bound
Put.
To achieve these goals, the utility model employs following technical scheme：
A kind of nail taking out apparatus in orthopaedics, including mainboard, the mainboard bottom side are fixedly connected with connection ring and motor, described
Motor, which is located to be provided with chute, the chute on the outside of connection ring side, the connection ring, is provided with slip ring, and the slip ring is remote
The side of connection ring is fixedly connected with cutting-sleeve, and the motor drive end is connected with rotating shaft, and the rotating shaft is away from driving
One end fixed cover of motor is connected to fixed cover on the outside of driving gear, the cutting-sleeve and is connected to the driven tooth engaged with driving gear
Wheel, the mainboard is provided with screwed hole, and the screwed hole internal thread is connected with cooperation cylinder, and described cooperation cylinder one end passes through screwed hole
It is placed in cutting-sleeve, described one end for coordinating cylinder to be placed in cutting-sleeve is provided with installing port, the installing port and is rotatably connected to
Locking is grabbed, and is fixedly connected with fluid pressure drive device on the cooperation drum outer wall, the fluid pressure drive device drive end is connected with liquid
Press push rod, the one end of the hydraulic push rod away from fluid pressure drive device is connected with slip cap, the slip cap be slidably socketed with
Close on cylinder, one end inwall of the slip cap away from hydraulic push rod is grabbed with locking to offset, through hole is provided with the cooperation cylinder, it is described
Punch rod is inserted with through hole.
Preferably, it is described locking grab is symmetrically mounted on cooperation cylinder one end both sides, two it is described locking grab by spring with
Installing port inwall is connected.
Preferably, described punch rod one end is placed in locking grabs through through hole, and the punch rod is placed between locking grabs
One end be fixedly connected with punching press cutter head, the punching press cutter head cross section is triangular shaped.
Preferably, the one end of the punch rod away from punching press cutter head is evenly distributed with rotation stop neck, the rotation stop neck
Quantity is 3-5, and the cooperation cylinder is provided with rotation stop fixture block corresponding with rotation stop neck.
Preferably, hand-held of rotation has been fixedly connected with the cooperation cylinder and punch rod, and has rotated hand-held being provided with
Anti-slip veins.
In the utility model, mainboard is moved to suitable position, to the steel plate of patient by user when using the device
Connection is held successfully after the edge of a knife, moves down mainboard, opens motor, and motor drives driving gear to rotate by rotating shaft, main
Moving gear drives driven gear to rotate, so that driven gear drives cutting-sleeve to cut peripheral part steel plate of screw,
The steel plate of the stuck part of screw cut, it is to avoid direct use screwdriver takes out screw, it is to avoid because screw is stuck
The screw caused on steel plate fractures, after the completion of cutting, and user causes hydraulic push rod to move down by fluid pressure drive device,
So as to which slip cap is moved down, slip cap causes locking promptly screw, using punch rod so that punching press cutter head stops with head of screw
Dynamic, user is using coordinating the rotation stop fixture block on cylinder to coordinate cylinder and punch rod stop, so that punch rod is rotated, punch rod band
Dynamic engagement sleeves are rotated, and locking, which is grabbed, in the presence of screwed hole upward pulling force to screw, so that screwing out screw
There is provided certain pulling force simultaneously so that screw is taken out steadily, and the apparatus structure is reasonable in design, and screw is cut by cutting-sleeve
With hone lamella junction so that part hone lamella and screw take out jointly, by grabbing promptly screw while screw is screwed, from
And the screw made is removed, fractureing for screw is effectively prevented, the operating efficiency of healthcare givers is improved.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of nail taking out apparatus in orthopaedics structural representation.
In figure：1 punch rod, 2 cooperation cylinders, 3 mainboards, 4 fluid pressure drive devices, 5 hydraulic push rods, 6 slip caps, 7 locking grab, 8
Cutting-sleeve, 9 driving gears, 10 rotating shafts, 11 motors, 12 connection rings.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.
Reference picture 1, a kind of nail taking out apparatus in orthopaedics, including mainboard 3, the bottom side of mainboard 3 are fixedly connected with connection ring 12 and driving
Motor 11, motor 11 is located at the side of connection ring 12, and the outside of connection ring 12, which is provided with chute, chute, is provided with slip ring, and slip ring is remote
Side from connection ring 12 is fixedly connected with cutting-sleeve 8, and the drive end of motor 11 is connected with rotating shaft 10, and rotating shaft 10 is away from drive
One end fixed cover of dynamic motor 11 is connected to driving gear 9, the outside fixed cover of cutting-sleeve 8 be connected to engaged with driving gear 9 from
Moving gear, mainboard 3 is provided with screwed hole, and screwed hole internal thread is connected with cooperation cylinder 2, coordinates the one end of cylinder 2 to be placed in through screwed hole
In cutting-sleeve 8, coordinate one end that cylinder 2 is placed in cutting-sleeve 8 to be provided with installing port, locking is rotatably connected in installing port and grabs 7, lock
Keep a firm hand on 7 and be symmetrically mounted on cooperation cylinder 2 one end both sides, two lockings are grabbed 7 and are connected by spring with installing port inwall, are easy to firmly grasp
Screw, spring is easy to locking to grab reset under 7 off working states, coordinates and is fixedly connected with fluid pressure drive device 4, liquid on the outer wall of cylinder 2
The drive end of hydraulic driver 4 is connected with hydraulic push rod 5, and the one end of hydraulic push rod 5 away from fluid pressure drive device 4 is connected with slip cap
6, slip cap 6 is slidably socketed on cylinder 2 is coordinated, and one end inwall of the slip cap 6 away from hydraulic push rod 5 is grabbed 7 with locking and offseted, and is coordinated
It is provided with cylinder 2 in through hole, through hole and is inserted with punch rod 1, is coordinated and hand-held of rotation has been fixedly connected with cylinder 2 and punch rod 1, and
Rotate hand-held provided with anti-slip veins, being easy to rotate punch rod 1 and coordinating cylinder 2, the one end of punch rod 1 is placed in locking through through hole and grabbed
Between 7, punch rod 1 is placed in one end for grabbing between 7 of locking and is fixedly connected with punching press cutter head, and punching press cutter head cross section is triangle shape
Shape, is easy to punch rod 1 to realize detent fit with screw, so as to carry out screwing taking-up to screw, punch rod 1 is away from punching press cutter head
One end is evenly distributed with rotation stop neck, and the quantity of rotation stop neck is 3-5, coordinates cylinder 2 to stop provided with corresponding with rotation stop neck
Turn fixture block, be easy to implement punch rod 1 and the detent fit of engagement sleeves 2, so that so that screw is by one while screwing screw
Pulling force in orientation, is easy to take out screw.
In the utility model, mainboard 3 is moved to suitable position, to the steel of patient by user when using the device
Plate connection is held successfully after the edge of a knife, moves down mainboard 3, opens motor 11, and motor 11 drives driving tooth by rotating shaft 10
Wheel 9 is rotated, and driving gear 9 drives driven gear to rotate, so that periphery steel splitting of the driven gear drive cutting-sleeve 8 to screw
Plate is cut, the steel plate of the stuck part of screw is cut, it is to avoid direct use screwdriver takes out screw, it is to avoid by
Fractureed in the stuck screw caused on steel plate of screw, after the completion of cutting, user causes hydraulic thrust by fluid pressure drive device 4
Bar 5 is moved down, so that slip cap 6 is moved down, slip cap 6 causes locking to grab 7 and firmly grasp screw, causes punching using punch rod 1
Push type broach head and head of screw stop, user using coordinating the rotation stop fixture block on cylinder 2 to coordinate cylinder 2 and the stop of punch rod 1 so that
Punch rod 1 is rotated, punch rod 1 drives engagement sleeves 2 to rotate, locking, which is grabbed, in the presence of screwed hole upward pulling force to screw,
So that providing certain pulling force while screw is screwed out so that screw is taken out steadily.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
1. a kind of nail taking out apparatus in orthopaedics, including mainboard（3）, it is characterised in that the mainboard（3）Bottom side is fixedly connected with connection ring
（12）And motor（11）, the motor（11）Positioned at connection ring（12）Side, the connection ring（12）Outside is provided with
Slip ring is provided with chute, the chute, the slip ring is away from connection ring（12）Side be fixedly connected with cutting-sleeve（8）, institute
State motor（11）Drive end is connected with rotating shaft（10）, the rotating shaft（10）Away from motor（11）One end it is fixedly sleeved
There is driving gear（9）, the cutting-sleeve（8）Outside fixed cover is connected to and driving gear（9）The driven gear of engagement, the master
Plate（3）Screwed hole is provided with, the screwed hole internal thread is connected with cooperation cylinder（2）, the cooperation cylinder（2）One end passes through screwed hole
It is placed in cutting-sleeve（8）It is interior, the cooperation cylinder（2）It is placed in cutting-sleeve（8）One end be provided with installing port, turn in the installing port
It is dynamic to be connected with locking and grab（7）, the cooperation cylinder（2）Fluid pressure drive device is fixedly connected with outer wall（4）, the hydraulic-driven dress
Put（4）Drive end is connected with hydraulic push rod（5）, the hydraulic push rod（5）Away from fluid pressure drive device（4）One end be connected with cunning
Dynamic set（6）, the slip cap（6）It is slidably socketed and is coordinating cylinder（2）On, the slip cap（6）Away from hydraulic push rod（5）One end
Inwall is grabbed with locking（7）Offset, the cooperation cylinder（2）Interior be provided with through hole, the through hole is inserted with punch rod（1）.
2. a kind of nail taking out apparatus in orthopaedics according to claim 1, it is characterised in that the locking is grabbed（7）It is symmetrically mounted on
Coordinate cylinder（2）One end both sides, two lockings are grabbed（7）It is connected by spring with installing port inwall.
3. a kind of nail taking out apparatus in orthopaedics according to claim 1, it is characterised in that the punch rod（1）One end passes through logical
Hole is placed in locking and grabbed（7）Between, the punch rod（1）Locking is placed in grab（7）Between one end be fixedly connected with punching press cutter head, institute
It is triangular shaped to state punching press cutter head cross section.
4. a kind of nail taking out apparatus in orthopaedics according to claim 1, it is characterised in that the punch rod（1）Away from punching press knife
One end of head is evenly distributed with rotation stop neck, and the quantity of the rotation stop neck is 3-5, the cooperation cylinder（2）It is provided with stopping
Turn the corresponding rotation stop fixture block of neck.
5. a kind of nail taking out apparatus in orthopaedics according to claim 1, it is characterised in that the cooperation cylinder（2）And punch rod（1）
On be fixedly connected with hand-held of rotation, and rotate hand-held provided with anti-slip veins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251030.0U CN206543205U (en) | 2016-11-22 | 2016-11-22 | A kind of nail taking out apparatus in orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251030.0U CN206543205U (en) | 2016-11-22 | 2016-11-22 | A kind of nail taking out apparatus in orthopaedics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206543205U true CN206543205U (en) | 2017-10-10 |
Family
ID=59992127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621251030.0U Expired - Fee Related CN206543205U (en) | 2016-11-22 | 2016-11-22 | A kind of nail taking out apparatus in orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206543205U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542492A (en) * | 2018-03-05 | 2018-09-18 | 倪菁菁 | A kind of Medical orthopedic operation steel plate broken nail process instrumentation |
| CN108703802A (en) * | 2018-06-15 | 2018-10-26 | 梁兆国 | A kind of orthopaedics internal fixation screw withdrawing device |
| CN110464443A (en) * | 2019-08-30 | 2019-11-19 | 重庆市人民医院 | A kind of operation device for fetching nail for orthopaedic medical treatment |
| CN112890943A (en) * | 2021-01-14 | 2021-06-04 | 蔡执中 | Orthopedics nail taking equipment capable of quickly taking nail and preventing broken nail |
| CN113520567A (en) * | 2021-08-05 | 2021-10-22 | 河南科技大学第一附属医院 | Nail taking device for orthopedics department |
-
2016
- 2016-11-22 CN CN201621251030.0U patent/CN206543205U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108542492A (en) * | 2018-03-05 | 2018-09-18 | 倪菁菁 | A kind of Medical orthopedic operation steel plate broken nail process instrumentation |
| CN108703802A (en) * | 2018-06-15 | 2018-10-26 | 梁兆国 | A kind of orthopaedics internal fixation screw withdrawing device |
| CN108703802B (en) * | 2018-06-15 | 2020-10-30 | 河北北方学院附属第一医院 | Orthopedic internal fixation screw taking-out device |
| CN110464443A (en) * | 2019-08-30 | 2019-11-19 | 重庆市人民医院 | A kind of operation device for fetching nail for orthopaedic medical treatment |
| CN112890943A (en) * | 2021-01-14 | 2021-06-04 | 蔡执中 | Orthopedics nail taking equipment capable of quickly taking nail and preventing broken nail |
| CN112890943B (en) * | 2021-01-14 | 2022-12-16 | 上海双申医疗器械股份有限公司 | Orthopedics nail taking equipment capable of quickly taking nail and preventing broken nail |
| CN113520567A (en) * | 2021-08-05 | 2021-10-22 | 河南科技大学第一附属医院 | Nail taking device for orthopedics department |
| CN113520567B (en) * | 2021-08-05 | 2022-06-03 | 河南科技大学第一附属医院 | Nail taking device for orthopedics department |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20181122 |