CN108742823B - A kind of nail taking out apparatus in orthopaedics - Google Patents
A kind of nail taking out apparatus in orthopaedics Download PDFInfo
- Publication number
- CN108742823B CN108742823B CN201810613313.2A CN201810613313A CN108742823B CN 108742823 B CN108742823 B CN 108742823B CN 201810613313 A CN201810613313 A CN 201810613313A CN 108742823 B CN108742823 B CN 108742823B
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- Prior art keywords
- fixedly connected
- motor
- limit
- offers
- screw
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Classifications
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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
-
- 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
- A61B2017/922—Devices for impaction, impact element
- A61B2017/924—Impact element driving means
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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)
- Surgical Instruments (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of nail taking out apparatus in orthopaedics, including pedestal, the upper end four corners of pedestal are fixedly connected to snap-gauge, the same screw rod is connected with by ball bearing rotational between the snap-gauge of front and back with respect to two, the surface of snap-gauge is fixed with first motor, the output shaft of first motor is fixedly connected with screw rod, movable block is threaded on screw rod, the upper end of movable block is fixedly connected with electric pushrod, the upper end of two electric pushrods is fixedly connected with the same electric sliding rail, sliding block lower end in electric sliding rail is fixedly connected with the second motor, the output shaft of second motor lower end is fixedly connected with support tube, the lower end of support tube is fixedly connected with the clamping ring of pyramidal structure, it is connected between the lower end of support tube and clamping ring and offers multiple clamping notches being placed equidistant with, the lower thread of support tube is connected with positioning barrel.The screw that the present invention can be suitable for different sizes carries out that nail is taken to operate, applied widely, substantially increases and takes nail efficiency.
Description
Technical field
The present invention relates to technical field of medical equipment more particularly to a kind of nail taking out apparatus in orthopaedics.
Background technique
Medical Devices are medical treatment, scientific research, teaching, mechanism, the most basic element of clinical speciality work, i.e., set including professional medical
It is standby, it also include domestic medical device.
With gradually improving for science and technology, people's lives are also become better and better, and are also more focused on health-preserving and are moved, but
Some accidents are always encountered in movement to damage, cause arm or fractured leg, and fracture is injury common during exercise.
In daily medical operating, people often guarantee affected part because the various state of an illness need to carry out affected part to follow closely steel plate processing
Sizing growth, treatment fracture widely applied in clinic through the most commonly used is being fixed by bone plate and screw.At present in orthopaedics
In clinical operation, need to extract bone nail, encounter bone nail get rusty etc. some reasons usually require to carry out using hand clamping tongs it is slow
Slow loose unloading, influences procedure, and also some patients during surgery, occur screw for various reasons and revolved badly or revolved disconnected ask
Topic, and breaking part tends to occur at the head of a nail position of screw, and screw is caused only to expose very small percentage outside, to doctor into
Row operation causes very big trouble.
Summary of the invention
The purpose of the present invention is to solve encounter bone nail some reasons such as get rusty in the prior art to usually require using hand
Clamp carries out slowly loose unloading, influences procedure, also some patients during surgery, occur for various reasons screw by rotation it is bad or
The disconnected problem of rotation, and breaking part tends to occur at the head of a nail position of screw, and screw is caused only to expose very small percentage outside,
A kind of nail taking out apparatus in orthopaedics and its application method that operation is carried out to doctor and causes the problem of very big trouble, and is proposed.
To achieve the goals above, present invention employs following technical solutions:
The upper end four corners of a kind of nail taking out apparatus in orthopaedics, including pedestal, the pedestal are fixedly connected to snap-gauge, and front and back is right
Two snap-gauges claimed are oppositely arranged, and are connected with the same spiral shell by ball bearing rotational between the snap-gauge of front and back with respect to two
Bar, the surface of the snap-gauge are fixed with first motor, and the output shaft of the first motor is fixedly connected with screw rod, the screw rod
On be threaded with movable block, the upper end of the movable block is fixedly connected with electric pushrod, the upper end of two electric pushrods
It is fixedly connected with the same electric sliding rail, the sliding block lower end in the electric sliding rail is fixedly connected with the second motor, and described second
The output shaft of motor lower end is fixedly connected with support tube, and the lower end of the support tube is fixedly connected with the clamping ring of pyramidal structure,
It is connected between the lower end of the support tube and clamping ring and offers multiple clamping notches being placed equidistant with, the lower end of the support tube
Barrel offers screw thread, and is threaded with positioning barrel, and the wall thickness of the support tube is gradually increased downwards, the pedestal
Upper end bilateral symmetry be fixedly connected there are two limit plate, be connected with the same saddle, the support between two limit plates
The front side sidewall of platform offers cylinder groove, and the cylinder groove is interior to be connected with telescopic rod by multiple ball bearing rotationals, described to stretch
One end of contracting bar is stretched out outside cylinder groove, and is fixedly connected with switch block, and the side wall of the saddle offers fixation corresponding with switch block
Slot, the telescopic rod are located at the uniform fixing sleeve of bar wall in cylinder groove and are connected to multiple drive bevel gears, the left and right phase of the saddle
Back two side walls offer it is multiple be connected to cylinder groove, and through-hole corresponding with drive bevel gear passes through rolling in the through-hole
Pearl bearing is rotatably connected to Limit screw, one end of the Limit screw be fixedly connected with engaged with drive bevel gear it is driven tiltedly
Gear, the other end of the Limit screw are threaded with gag lever post, and the surface of the limit plate offers corresponding with gag lever post
Limit hole.
Preferably, the lower end of the movable block is fixedly connected with the first position limiting slide block, the upper end of the pedestal offer with
The first limit sliding chutes that first position limiting slide block matches.
Preferably, one layer of foam-rubber cushion is equipped in the upper end arc port of the saddle.
Preferably, the sidewall symmetry of the switch block is fixedly connected there are two fixture block, the side wall of the fixing groove offer with
The card slot that fixture block matches.
Preferably, the bar wall of the gag lever post is symmetrically fixedly connected there are two the second position limiting slide block, the inner wall of the through-hole
Offer the second limit sliding chutes to match with the second position limiting slide block.
Preferably, the first motor, electric pushrod, electric sliding rail and the second motor pass through control switch and peripheral hardware
Power supply is electrically connected.
Compared with prior art, the present invention provides a kind of nail taking out apparatus in orthopaedics, have it is following the utility model has the advantages that
1, saddle is placed between two limit plates by the nail taking out apparatus in orthopaedics, and switch block is pulled out in fixing groove, and rotation turns
Block, switch block drive telescopic rod rotation, and then drive drive bevel gear rotation, utilize engaging for drive bevel gear and follow bevel gear
Effect drives Limit screw rotation, removes gag lever post outside saddle using the threaded connection effect of Limit screw and gag lever post, into
And engage gag lever post with limit hole, the fixation that saddle can be consolidated, and rotate backward and turn when needing to unlock
Block, which can release, fixes the limit of saddle, convenient for the dismounting to saddle, and then convenient for the maintenance and cleaning to saddle.
And be not directed to part in the device and be the same as those in the prior art or can be realized by using the prior art, the present invention
The screw that can be suitable for different sizes carries out that nail is taken to operate, applied widely, substantially increases and takes nail efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a kind of nail taking out apparatus in orthopaedics proposed by the present invention and its application method；
Fig. 2 is the part side structure schematic view of a kind of nail taking out apparatus in orthopaedics proposed by the present invention and its application method；
Fig. 3 is the structural schematic diagram of the support tube of a kind of nail taking out apparatus in orthopaedics proposed by the present invention and its application method；
Fig. 4 is the section view that the saddle of a kind of nail taking out apparatus in orthopaedics proposed by the present invention and its application method is connect with limit plate
Structural schematic diagram.
In figure: 1 pedestal, 2 snap-gauges, 3 screw rods, 4 first motors, 5 movable blocks, 6 electric pushrods, 7 electric sliding rails, 8 second electricity
Machine, 9 support tubes, 10 clamping rings, 11 clamp notches, 12 positioning barrels, 13 limit plates, 14 saddles, 15 cylinder grooves, 16 telescopic rods,
17 switch blocks, 18 fixing grooves, 19 drive bevel gears, 20 through-holes, 21 Limit screws, 22 follow bevel gears, 23 gag lever posts, 24 limits
Hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-4, a kind of nail taking out apparatus in orthopaedics and, including pedestal 1, the upper end four corners of pedestal 1 are fixedly connected to
Snap-gauge 2, symmetrical two snap-gauges 2 in front and back are oppositely arranged, and are connected between the snap-gauge 2 of front and back with respect to two by ball bearing rotational
The same screw rod 3, the surface of snap-gauge 2 are fixed with first motor 4, and the output shaft of first motor 4 is fixedly connected with screw rod 3, spiral shell
Movable block 5 is threaded on bar 3, the upper end of movable block 5 is fixedly connected with electric pushrod 6, and the upper end of two electric pushrods 6 is solid
Surely it is connected with the same electric sliding rail 7, the sliding block lower end in electric sliding rail 7 is fixedly connected with the second motor 8, under the second motor 8
The output shaft at end is fixedly connected with support tube 9, and the lower end of support tube 9 is fixedly connected with the clamping ring 10 of pyramidal structure, support tube 9
Lower end and clamping ring 10 between be connected to and offer multiple clamping notches 11 being placed equidistant with, the lower end barrel of support tube 9 opens up
There is screw thread, and be threaded with positioning barrel 12, the wall thickness of support tube 9 is gradually increased downwards, can be suitable for different rulers
The screw of very little size carries out that nail is taken to operate, applied widely, restarts the second motor 8, and the second motor 8 drives support tube 9 to rotate,
And then screw rotation is driven, screw is slowly produced, nail can be conveniently taken, substantially increases and takes nail efficiency, the upper end of pedestal 1 is left
It is right to be symmetrically fixedly connected there are two limit plate 13, the same saddle 14, the front side of saddle 14 are connected between two limit plates 13
Side wall offers cylinder groove 15, is connected with telescopic rod 16 by multiple ball bearing rotationals in cylinder groove 15, and the one of telescopic rod 16
End is stretched out outside cylinder groove 15, and is fixedly connected with switch block 17, and the side wall of saddle 14 offers fixing groove 18 corresponding with switch block 17,
Telescopic rod 16 is located at the uniform fixing sleeve of bar wall in cylinder groove 15 and is connected to multiple drive bevel gears 19, the left and right of saddle 14 opposite two
A side wall offer it is multiple be connected to cylinder groove 15, and through-hole 20 corresponding with drive bevel gear 19 passes through rolling in through-hole 20
Pearl bearing is rotatably connected to Limit screw 21, one end of Limit screw 21 be fixedly connected with engaged with drive bevel gear 19 it is driven
Helical gear 22, the other end of Limit screw 21 are threaded with gag lever post 23, and the surface of limit plate 13 offers and gag lever post 23
Corresponding limit hole 24, the fixation that saddle 14 can be consolidated, and switch block 17 is rotated backward i.e. when needing to unlock
It can release and the limit of saddle 14 is fixed, convenient for the dismounting to saddle 14, and then convenient for the maintenance and cleaning to saddle 14.
The lower end of movable block 5 is fixedly connected with the first position limiting slide block, and the upper end of pedestal 1 offers and the first position limiting slide block phase
Matched first limit sliding chutes.
One layer of foam-rubber cushion is equipped in the upper end arc port of saddle 14.
The sidewall symmetry of switch block 17 is fixedly connected there are two fixture block, and the side wall of fixing groove 15 is offered to match with fixture block
Card slot.
The bar wall of gag lever post 23 is symmetrically fixedly connected there are two the second position limiting slide block, and the inner wall of through-hole 20 offers and second
The second limit sliding chutes that position limiting slide block matches.
First motor 4, electric pushrod 6, electric sliding rail 7 and the second motor 8 pass through the power supply of control switch and peripheral hardware electricity
Property connection.
Saddle is placed between two limit plates by step 1, and switch block is pulled out in fixing groove, rotates switch block, switch block band
Dynamic telescopic rod rotation, and then drive bevel gear rotation is driven, it is driven using the engagement of drive bevel gear and follow bevel gear
Limit screw rotation removes gag lever post outside saddle using the threaded connection effect of Limit screw and gag lever post, and then makes to limit
Bar engages with limit hole, the fixation that can consolidate saddle；
The arm of patient or leg are placed on saddle by step 2, start first motor, the first electricity by control switch
Machine drives screw rod rotation, drives movable block to move back and forth using the threaded connection effect of screw rod and movable block, electric sliding rail drives
Second motor moves left and right, then drives the second motor to move up and down by electric pushrod, and then support tube is moved to suitably
Position, by clamping ring pinching screw, rotational positioning barrel makes the clamping indentation, there of clamping ring shrink pinching screw, restarts the
Two motors, the second motor drive support tube rotation, and then drive screw rotation, and screw is slowly produced.
In the present invention, in use, saddle 14 is placed between two limit plates 13, switch block 17 is pulled out into fixing groove 18
It is interior, switch block 17 is rotated, switch block 17 drives telescopic rod 16 to rotate, and then drive bevel gear 19 is driven to rotate, and utilizes drive bevel gear
19 drive Limit screw 21 to rotate with the engagement of follow bevel gear 22, and the screw thread of Limit screw 21 and gag lever post 23 is utilized to connect
The effect of connecing removes gag lever post 23 outside saddle 14, and then engages gag lever post 23 with limit hole 24, can consolidate saddle 14
It is fixed, and when needing to unlock rotate backward switch block 17 and can release and the limit of saddle 14 is fixed, convenient for support
The dismounting of platform 14, and then convenient for the maintenance and cleaning to saddle 14, the arm of patient or leg are placed on saddle 14, control is passed through
System switch starting first motor 4, first motor 4 drive screw rod 3 to rotate, utilize the threaded connection zone of action of screw rod 3 and movable block 5
Dynamic movable block 5 moves back and forth, and electric sliding rail 7 drives the second motor 8 to move left and right, then drives the second motor 8 by electric pushrod 6
It moves up and down, and then support tube 9 is moved to suitable position, by 10 pinching screw of clamping ring, rotational positioning barrel 12 makes to press from both sides
Pinching screw is shunk at the clamping notch 11 of tight ring 10, the screw that can be suitable for different sizes carries out that nail is taken to operate, and fits
It is wide with range, restart the second motor 8, the second motor 8 drives support tube 9 to rotate, and then drives screw rotation, and screw is slow
It produces, can conveniently take nail, substantially increase and take nail efficiency.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of nail taking out apparatus in orthopaedics, including pedestal (1), which is characterized in that the upper end four corners of the pedestal (1) are fixed to be connected
It is connected to snap-gauge (2), symmetrical two snap-gauges (2) in front and back are oppositely arranged, and pass through ball between the snap-gauge (2) of front and back with respect to two
Bearing is rotatably connected to the same screw rod (3), and the surface of the snap-gauge (2) is fixed with first motor (4), the first motor
(4) output shaft is fixedly connected with screw rod (3), is threaded with movable block (5) on the screw rod (3), the movable block (5)
Upper end is fixedly connected with electric pushrod (6), and the upper end of two electric pushrods (6) is fixedly connected with the same electric sliding rail
(7), the sliding block lower end in the electric sliding rail (7) is fixedly connected with the second motor (8), the second motor (8) lower end it is defeated
Shaft is fixedly connected with support tube (9), and the lower end of the support tube (9) is fixedly connected with the clamping ring (10) of pyramidal structure, institute
It states to be connected between the lower end of support tube (9) and clamping ring (10) and offers multiple clamping notches (11) being placed equidistant with, the branch
The lower end barrel of support cylinder (9) offers screw thread, and is threaded with positioning barrel (12), the wall thickness of the support tube (9)
It is gradually increased downwards, the upper end of the pedestal (1) bilateral symmetry is fixedly connected with that there are two limit plate (13), two limit plates
(13) it is connected between the same saddle (14), the front side sidewall of the saddle (14) offers cylinder groove (15), the cylinder
It is connected with telescopic rod (16) in slot (15) by multiple ball bearing rotationals, cylinder groove is stretched out in one end of the telescopic rod (16)
(15) outside, it and is fixedly connected with switch block (17), the side wall of the saddle (14) offers fixing groove corresponding with switch block (17)
(18), the telescopic rod (16) is located at the uniform fixing sleeve of bar wall in cylinder groove (15) and is connected to multiple drive bevel gears (19), institute
State saddle (14) the opposite two side walls in left and right offer it is multiple be connected to cylinder groove (15), and it is right with drive bevel gear (19)
The through-hole (20) answered, the through-hole (20) is interior to be connected with Limit screw (21), the Limit screw by ball bearing rotational
(21) one end is fixedly connected with the follow bevel gear (22) engaged with drive bevel gear (19), the Limit screw (21) it is another
Threaded one end is connected with gag lever post (23), and the surface of the limit plate (13) offers limit hole corresponding with gag lever post (23)
(24)。
2. a kind of nail taking out apparatus in orthopaedics according to claim 1, which is characterized in that the lower end of the movable block (5) is fixed
It is connected with the first position limiting slide block, the upper end of the pedestal (1) offers the first limit sliding chutes to match with the first position limiting slide block.
3. a kind of nail taking out apparatus in orthopaedics according to claim 1, which is characterized in that the upper end arc port of the saddle (14)
Inside it is equipped with one layer of foam-rubber cushion.
4. a kind of nail taking out apparatus in orthopaedics according to claim 1, which is characterized in that the sidewall symmetry of the switch block (17) is solid
There are two fixture block, the side wall of the fixing groove (15) offers the card slot to match with fixture block for fixed connection.
5. a kind of nail taking out apparatus in orthopaedics according to claim 1, which is characterized in that the bar wall of the gag lever post (23) is symmetrical
It is fixedly connected there are two the second position limiting slide block, the inner wall of the through-hole (20) offers second to match with the second position limiting slide block
Limit sliding chutes.
6. a kind of nail taking out apparatus in orthopaedics according to claim 1, which is characterized in that the first motor (4), electric pushrod
(6), electric sliding rail (7) and the second motor (8) are electrically connected by the power supply of control switch and peripheral hardware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613313.2A CN108742823B (en) | 2018-06-14 | 2018-06-14 | A kind of nail taking out apparatus in orthopaedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613313.2A CN108742823B (en) | 2018-06-14 | 2018-06-14 | A kind of nail taking out apparatus in orthopaedics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108742823A CN108742823A (en) | 2018-11-06 |
| CN108742823B true CN108742823B (en) | 2019-11-12 |
Family
ID=64022679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810613313.2A Expired - Fee Related CN108742823B (en) | 2018-06-14 | 2018-06-14 | A kind of nail taking out apparatus in orthopaedics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108742823B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199568A (en) * | 2018-11-09 | 2019-01-15 | 张云峰 | A kind of orthopedic nail extractor convenient for taking out broken nail |
| CN110940553B (en) * | 2019-12-21 | 2022-04-15 | 中山大学附属第一医院 | Femoral head cartilage sampler for electric experiment |
| CN111536462B (en) * | 2020-05-16 | 2020-11-24 | 绩溪智旭智能化技术开发有限公司 | Warning spotlight device |
| CN112932645B (en) * | 2021-01-28 | 2022-04-15 | 赵凯 | Automatic nail taking device and method for orthopedics clinic |
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| CN107485439A (en) * | 2015-07-16 | 2017-12-19 | 梁艳 | Bone surgery is with taking screw guiding device |
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| CN207101354U (en) * | 2017-01-21 | 2018-03-16 | 零广数 | A kind of multi-angle takes the nail-fetching device for orthopaedics of nail |
| CN107890366A (en) * | 2017-12-01 | 2018-04-10 | 戴康春 | A kind of orthopaedics with holding function is with taking nail equipment |
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|---|---|---|---|---|
| CN204121159U (en) * | 2014-07-01 | 2015-01-28 | 耿红梅 | A kind of extractor for bone-pin |
| CN204636526U (en) * | 2015-05-02 | 2015-09-16 | 王春萍 | Nail-fetching device |
| CN204814155U (en) * | 2015-06-29 | 2015-12-02 | 刘宜刚 | Orthopaedic nail removing device |
| CN107485439A (en) * | 2015-07-16 | 2017-12-19 | 梁艳 | Bone surgery is with taking screw guiding device |
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| CN205286517U (en) * | 2016-01-28 | 2016-06-08 | 刘英魁 | Nail ware is got with spacing formula of guide to orthopedics |
| CN205548667U (en) * | 2016-03-23 | 2016-09-07 | 延安大学附属医院 | Convenient orthopedics of adjusting is got to bind and is put |
| CN206303967U (en) * | 2016-09-23 | 2017-07-07 | 张毅 | A kind of operation nail-fetching device for orthopaedic medical treatment |
| CN207101354U (en) * | 2017-01-21 | 2018-03-16 | 零广数 | A kind of multi-angle takes the nail-fetching device for orthopaedics of nail |
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| CN107890366A (en) * | 2017-12-01 | 2018-04-10 | 戴康春 | A kind of orthopaedics with holding function is with taking nail equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108742823A (en) | 2018-11-06 |
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