CN206491866U - Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system - Google Patents
Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system Download PDFInfo
- Publication number
- CN206491866U CN206491866U CN201621027162.5U CN201621027162U CN206491866U CN 206491866 U CN206491866 U CN 206491866U CN 201621027162 U CN201621027162 U CN 201621027162U CN 206491866 U CN206491866 U CN 206491866U
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- fixing nail
- skeleton fixing
- withdrawing device
- skeleton
- bone
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Abstract
The utility model provides a kind of skeleton fixing nail withdrawing device and skeleton fixing nail extraction system, wherein, skeleton fixing nail withdrawing device is used to extract the skeleton fixing nail hammered at bone by bone, and skeleton fixing nail withdrawing device includes：Cylinder, cylinder has cavity；Drawing assembly is locked, locking drawing assembly is slidably arranged on cylinder along the axis direction of cavity, and locking drawing assembly is used to lock skeleton fixing nail and drives skeleton fixing nail to be moved to the direction away from bone.The problem of process that the utility model solves the skeleton fixing nail that Orthopedic nail pulling pincers extraction of the prior art is hammered at skeleton wastes time and energy.
Description
Technical field
The utility model is related to technical field of medical instruments, in particular to a kind of skeleton fixing nail withdrawing device and
Skeleton fixing nail extraction system.
Background technology
In Modern Medical Field, artificial joint replacement has occurred and has applied a very long time, joint prosthesis
Displacement technique is primarily referred to as replanting into artificial joint prosthesis after removing the focus at human synovial position by medicine equipment, so as to reach
To eliminate patient pain and improve patient quality of the life purpose.
When carrying out artificial joint replacement, in order to preferably make the bone phase of artificial joint prosthesis and patient itself
Match somebody with somebody, improve kinematic dexterity of the artificial joint prosthesis in patient's body, it usually needs the bone with focus of patient is carried out
Osteotomy, needs to use skeleton fixing nail that the bone of patient is fixed on the positioning during osteotomy, when completion joint prosthesis
Also need to extract skeleton fixing nail after Using prosthesis.
In existing artificial joint replacement, health care worker is complete for skeleton fixing nail usually using Orthopedic nail pulling pincers
Into nail pulling operation, due to health care worker be applied to during nail pulling operation amount of force on Orthopedic nail pulling pincers and
Direction is unstable, it is likely that causes patients with fractures and increases the pain of injury of patient.
Moreover, health care worker can not effectively be applied to the power of Orthopedic nail pulling pincers by existing Orthopedic nail pulling pincers
Square is efficiently transferred at skeleton fixing nail, is difficult successfully, is quickly completed so as to cause nail pulling operation, and then adds
The time of operation, add the risk of operative failure.
Utility model content
Main purpose of the present utility model is that providing a kind of skeleton fixing nail withdrawing device and skeleton fixing nail takes out system
System, what the process for extracting the skeleton fixing nail hammered at skeleton to solve Orthopedic nail pulling pincers of the prior art wasted time and energy
Problem.
To achieve these goals, taken out and filled there is provided a kind of skeleton fixing nail according to one side of the present utility model
Put, for the skeleton fixing nail hammered at bone to be extracted by bone, including：Cylinder, cylinder has cavity；Lock drawing group
Part, locking drawing assembly is slidably arranged on cylinder along the axis direction of cavity, and locking drawing assembly is used for skeleton fixing nail
Lock and drive skeleton fixing nail to be moved to the direction away from bone.
Further, locking drawing assembly includes：Slipping block, slipping block is slidably arranged in cavity, is opened up on slipping block
There is receiving hole；Latch segment, latch segment is movably disposed on slipping block, and latch segment has the lock for being used for locking skeleton fixing nail
Tight position and the released position for unclamping skeleton fixing nail.
Further, latch segment being radially arranged and be divided into the locking that is connected along the axis direction away from cavity along cavity
Section and linkage section, latch segment also have the avoidance elongated hole for being used for avoiding skeleton fixing nail, avoid elongated hole and are opened at locking section, when
When latch segment is in locked position, locking section is clamped at the outside wall surface of skeleton fixing nail.
Further, skeleton fixing nail withdrawing device also includes operating portion, and first end and the linkage section of operating portion are hinged, and grasps
Make second end in portion as operating side.
Further, skeleton fixing nail withdrawing device also includes support connector, supports the first end and cylinder of connector
It is hinged, the second end of support connector is hinged with operating portion.
Further, operating portion is the first operation handle.
Further, skeleton fixing nail withdrawing device also includes the second operation handle, and the second operation handle is fixed with cylinder
Connection.
Further, skeleton fixing nail withdrawing device also includes the first elastic component, and the first elastic component is arranged on the first operation
Between handle and the second operation handle.
Further, skeleton fixing nail withdrawing device also includes the second elastic component, and the second elastic component is arranged on the of cavity
Two ends, and the end face of first end of remote cavity of second elastic component with locking drawing assembly abuts.
According to another aspect of the present utility model, there is provided a kind of skeleton fixing nail extraction system, including skeleton fixing nail
Withdrawing device, skeleton fixing nail withdrawing device is above-mentioned skeleton fixing nail withdrawing device.
Using the technical solution of the utility model, by setting cylinder and locking drawing assembly, drawing assembly is locked along cylinder
The axis direction of the cavity of body is slidably arranged on cylinder, and locking drawing assembly is used to lock skeleton fixing nail and drive bone
Fixed nail is moved to the direction away from bone.
So, when the skeleton fixing nail at bone of the health care worker to hammering into patient carries out nail pulling operation, medical matters work
As personnel be applied to the power of skeleton fixing nail withdrawing device by lock drawing assembly stably, be accurately delivered to skeletal fixation
At nail, locking drawing assembly reciprocatingly slides, so as to stably pull side of the skeleton fixing nail constantly to the bone away from patient
To motion, the effect that skeleton fixing nail is extracted to the bone of patient is finally reached, the operation difficulty of nail pulling operation is not only reduced,
Operating time is reduced, the success rate of nail pulling operation is improved, and also avoid additional injury is caused to the bone of patient.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 shows the working condition of the skeleton fixing nail extraction system according to a kind of alternative embodiment of the present utility model
Schematic diagram；
Fig. 2 shows the main view of the latch segment of the skeleton fixing nail withdrawing device of the skeleton fixing nail extraction system in Fig. 1
Figure；
Fig. 3 shows the left view partial sectional view of the latch segment in Fig. 2.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
1st, bone；2nd, osteotomy plate；3rd, skeleton fixing nail；4th, skeleton fixing nail withdrawing device；10th, cylinder；11st, cavity；20、
Lock drawing assembly；21st, receiving hole；22nd, slipping block；23rd, latch segment；231st, section is locked；232nd, linkage section；233rd, length is avoided
Hole；30th, operating portion；40th, connector is supported；50th, the second operation handle；60th, the first elastic component；70th, the second elastic component.
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.The description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
New and its application or any limitation used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Scope of the present utility model is not limited up to formula and numerical value.Simultaneously, it should be appreciated that each shown in accompanying drawing for the ease of description
The size of individual part is not to be drawn according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as awarding
Weigh a part for specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：It is similar
Label and letter similar terms is represented in following accompanying drawing, therefore, once be defined in a certain Xiang Yi accompanying drawing, then with
It need not be further discussed in accompanying drawing afterwards.
In description of the present utility model, it is to be understood that the noun of locality such as " forward and backward, upper and lower, left and right ", " horizontal,
Vertically, vertically, level " and " top, bottom " etc. indicated by orientation or position relationship be normally based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and simplifies description, in the case where not making opposite explanation, these nouns of locality
Do not indicate that and imply that the device or element of meaning there must be specific orientation or with specific azimuth configuration and operation, because
This is it is not intended that limitation to the utility model protection domain；The noun of locality " inside and outside " refers to the wheel relative to each part in itself
Wide is inside and outside.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or in other orientation, and
Respective explanations are made in description relative to space used herein above.
Furthermore, it is necessary to which explanation, limits parts, it is only for be easy to using the word such as " first ", " second "
Corresponding parts are distinguished, such as without Stated otherwise, above-mentioned word does not have particular meaning, therefore it is not intended that to this
The limitation of utility model protection scope.
In order to solve the process expense that Orthopedic nail pulling pincers of the prior art extract the skeleton fixing nail hammered at skeleton
When it is laborious the problem of, the utility model provide a kind of skeleton fixing nail withdrawing device 4 and skeleton fixing nail extraction system, bone
Fixed nail withdrawing device 4 is following skeleton fixing nail withdrawing devices, and skeleton fixing nail extraction system is solid including above-mentioned bone
Surely withdrawing device is followed closely.
As shown in figure 1, skeleton fixing nail withdrawing device 4 is used to hammer into skeleton fixing nail 3 at bone 1 by bone 1
Extract, it includes cylinder 10 and locking drawing assembly 20, cylinder 10 has cavity 11, axle of the locking drawing assembly 20 along cavity 11
Line direction is slidably arranged on cylinder 10, and locking drawing assembly 20 is used to lock skeleton fixing nail 3 and drive skeleton fixing nail 3
Moved to the direction away from bone 1.
By setting cylinder 10 and locking drawing assembly 20, the axis side of cavity 11 of the locking drawing assembly 20 along cylinder 10
To being slidably arranged on cylinder 10, locking drawing assembly 20 is used to lock skeleton fixing nail 3 and drives skeleton fixing nail 3 to remote
Move in direction from bone 1.
So, when the skeleton fixing nail 3 at bone 1 of the health care worker to hammering into patient carries out nail pulling operation, medical matters
Staff be applied to the power of skeleton fixing nail withdrawing device 4 by lock drawing assembly 20 stably, be accurately delivered to bone
Bone is fixed at nail 3, and locking drawing assembly 20 reciprocatingly slides, so as to stably pull skeleton fixing nail 3 constantly to away from patient
Bone 1 direction motion, be finally reached the effect that skeleton fixing nail 3 is extracted to the bone 1 of patient, not only reduce nail pulling work
The operation difficulty of industry, reduces operating time, improves the success rate of nail pulling operation, and also avoid the bone 1 to patient
Cause additional injury.
Specifically, locking drawing assembly 20 has the first operating position of the first end close to cavity 11 and away from cavity
Second operating position of 11 first end, the mistake moved when locking drawing assembly 20 from the first operating position to the second operating position
Skeleton fixing nail 3 is locked in receiving hole 21 and drives skeleton fixing nail 3 to move with by bone by Cheng Zhong, locking drawing assembly 20
Fixed nail 3 is extracted by bone 1, the process moved when locking drawing assembly 20 from the second operating position to the first operating position
In, it is between locking drawing assembly 20 and skeleton fixing nail 3 and releases state.So, locking drawing assembly 20 being capable of continuous work
Make, so as to reliably extract skeleton fixing nail 3 by the bone 1 of patient.
As shown in figure 1, locking drawing assembly 20 includes slipping block 22 and latch segment 23, slipping block 22 is slidably arranged in cavity
In 11, receiving hole 21 is offered on slipping block 22, latch segment 23 is movably disposed on slipping block 22, latch segment 23, which has, to be used
Locked position and the released position of release skeleton fixing nail 3 in locking skeleton fixing nail 3.
Alternatively, in order that axis direction of the skeleton fixing nail 3 along cavity 11 is moved, axle of the receiving hole 21 along cavity 11
Line direction is opened on slipping block 22；
As shown in Figures 2 and 3, being radially arranged and be divided into along away from the axis direction of cavity 11 along cavity 11 of latch segment 23
The locking section 231 and linkage section 232 being connected, latch segment 23 also have the avoidance elongated hole 233 for being used for avoiding skeleton fixing nail 3,
Avoid elongated hole 233 to be opened at locking section 231, when latch segment 23 is in locked position, locking section 231 is clamped on skeletal fixation
At the outside wall surface of nail 3.So, latch segment 23 is enable effectively to lock skeleton fixing nail 3, it is ensured that skeleton fixing nail 3 and sliding
Block 22 is together moved as an entirety.
In a kind of alternative embodiment of the present utility model, when latch segment 23 is in locked position, elongated hole 233 is avoided
Inwall is in clamping connection with skeleton fixing nail 3.
As shown in figure 1, skeleton fixing nail withdrawing device 4 also includes operating portion 30, the first end and linkage section of operating portion 30
232 are hinged, and the second end of operating portion 30 is used as operating side.So, health care worker is using skeleton fixing nail withdrawing device 4
When, the pulling to locking drawing assembly 20 can be easily realized by control operation portion 30, is that locking drawing assembly 20 drives
Skeleton fixing nail 3 is moved along the direction away from bone 1, so that skeleton fixing nail 3 to be extracted to the bone 1 of patient.
The force arm of force of health care worker can effectively be increased by the length for increasing operating portion 30, so as to save use
Power.
It should be noted that the first end of operating portion 30 is hinged by pin with linkage section 232
In order to improve the connective stability between operating portion 30 and cylinder 10, skeleton fixing nail withdrawing device 4 also includes branch
Connector 40 is supportted, the first end of support connector 40 is hinged with cylinder 10, and the second end of support connector 40 is cut with scissors with operating portion 30
Connect.
Alternatively, support connector 40 is hinged by pin with cylinder 10 and operating portion 30.
Alternatively, operated for the ease of health care worker, operating portion 30 is the first operation handle.
As shown in figure 1, skeleton fixing nail withdrawing device 4 also includes the second operation handle 50, the second operation handle 50 and cylinder
Body 10 is fixedly connected.So, health care worker passes through the second operation handle 50 when using skeleton fixing nail withdrawing device 4
As the force strong point, so as to improve the property easy to use of skeleton fixing nail withdrawing device 4.
As shown in figure 1, skeleton fixing nail withdrawing device 4 also includes the first elastic component 60, the first elastic component 60 is arranged on the
Between one operation handle and the second operation handle 50.So, the first elastic component 60 provides reset for the first operation handle and replied
The effect of power.
Alternatively, the first elastic component 60 is back-moving spring.
As shown in figure 1, skeleton fixing nail withdrawing device 4 also includes the second elastic component 70, the second elastic component 70 is arranged on chamber
Second end of body 11, and the end face of first end of remote cavity 11 of second elastic component 70 with locking drawing assembly 20 abuts.This
Sample, the second elastic component 70 provides the effect for resetting restoring force for locking drawing assembly 20, is conducive in locking drawing assembly 20
From the second operating position to the first operating position reseting movement.
As shown in figure 1, skeleton fixing nail extraction system also includes bone 1, osteotomy plate 2 and skeleton fixing nail 3, osteotomy plate 2
Be arranged on one end of bone 1, the first end of skeleton fixing nail 3 is hammered into bone 1 through osteotomy plate 2, skeleton fixing nail 3 it is another
End protrudes from osteotomy plate 2 and sets and be connected with skeleton fixing nail withdrawing device 4.
Alternatively, the skeleton fixing nail withdrawing device 4 in the utility model is made of medical stainless steel material.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：Use
Skeleton fixing nail withdrawing device of the present utility model is effectively improved the stability that skeleton fixing nail is taken out in operation, reduces
The labour of health care worker, the time that less health care worker is performed the operation.
Meanwhile, health care worker is only needed to skeleton fixing nail insertion skeleton fixing nail withdrawing device, press operating part,
Just can easily stablize time saving and energy saving taking-up skeleton fixing nail, change it is traditional take nail mode, simplify surgical operation step.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, work, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so that presently filed embodiment described herein can be with except illustrating herein
Or the order beyond those of description is implemented.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (11)
1. a kind of skeleton fixing nail withdrawing device, for the skeleton fixing nail (3) at bone (1) place will to be hammered into by the bone (1)
Extract at place, it is characterised in that including：
Cylinder (10), the cylinder (10) has cavity (11)；
Drawing assembly (20) is locked, axis direction of the locking drawing assembly (20) along the cavity (11) is slidably arranged in institute
State on cylinder (10), the locking drawing assembly (20) is used to lock the skeleton fixing nail (3) and drives the bone to consolidate
Fixed nail (3) is moved to the direction away from the bone (1).
2. skeleton fixing nail withdrawing device according to claim 1, it is characterised in that locking drawing assembly (20) bag
Include：
Slipping block (22), the slipping block (22) is slidably arranged in the cavity (11), is offered on the slipping block (22)
Receiving hole (21)；
Latch segment (23), the latch segment (23) is movably disposed on the slipping block (22), latch segment (23) tool
There is the locked position for locking the skeleton fixing nail (3) and unclamp the released position of the skeleton fixing nail (3).
3. skeleton fixing nail withdrawing device according to claim 2, it is characterised in that the latch segment (23) is along the chamber
Body (11) is radially arranged and is divided into along the axis direction away from the cavity (11) the locking section (231) and linkage section being connected
(232), the latch segment (23) also has the avoidance elongated hole (233) for being used for avoiding the skeleton fixing nail (3), described to avoid length
Hole (233) is opened in described locking section (231) place, when the latch segment (23) is in the locked position, the locking section
(231) at the outside wall surface for being clamped on the skeleton fixing nail (3).
4. skeleton fixing nail withdrawing device according to claim 3, it is characterised in that the skeleton fixing nail withdrawing device
(4) operating portion (30) is also included, first end and the linkage section (232) of the operating portion (30) are hinged, the operating portion
(30) the second end is used as operating side.
5. skeleton fixing nail withdrawing device according to claim 4, it is characterised in that the skeleton fixing nail withdrawing device
(4) support connector (40) is also included, the first end of the support connector (40) is hinged with the cylinder (10), the support
Second end of connector (40) is hinged with the operating portion (30).
6. skeleton fixing nail withdrawing device according to claim 5, it is characterised in that the operating portion (30) is the first behaviour
Make handle.
7. skeleton fixing nail withdrawing device according to claim 6, it is characterised in that the skeleton fixing nail withdrawing device
(4) the second operation handle (50) is also included, second operation handle (50) is fixedly connected with the cylinder (10).
8. skeleton fixing nail withdrawing device according to claim 7, it is characterised in that the skeleton fixing nail withdrawing device
(4) the first elastic component (60) is also included, first elastic component (60) is arranged on first operation handle and second behaviour
Make between handle (50).
9. skeleton fixing nail withdrawing device according to claim 1, it is characterised in that the skeleton fixing nail withdrawing device
(4) the second elastic component (70) is also included, second elastic component (70) is arranged on the second end of the cavity (11), and described the
Two elastic components (70) are abutted with the end face of the first end of the remote cavity (11) of the locking drawing assembly (20).
10. a kind of skeleton fixing nail extraction system, including skeleton fixing nail withdrawing device, it is characterised in that the skeletal fixation
Nail withdrawing device is the skeleton fixing nail withdrawing device any one of claim 1 to 9.
11. skeleton fixing nail extraction system according to claim 10, it is characterised in that the skeleton fixing nail takes out system
System also includes bone (1), osteotomy plate (2) and skeleton fixing nail (3), and the osteotomy plate (2) is arranged on the one of the bone (1)
End, the first end of the skeleton fixing nail (3) is hammered into the bone (1) through the osteotomy plate (2), the skeleton fixing nail
(3) the other end protrudes from the osteotomy plate (2) and sets and be connected with the skeleton fixing nail withdrawing device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027162.5U CN206491866U (en) | 2016-08-31 | 2016-08-31 | Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027162.5U CN206491866U (en) | 2016-08-31 | 2016-08-31 | Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206491866U true CN206491866U (en) | 2017-09-15 |
Family
ID=59799657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621027162.5U Withdrawn - After Issue CN206491866U (en) | 2016-08-31 | 2016-08-31 | Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206491866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236244A (en) * | 2016-08-31 | 2016-12-21 | 北京爱康宜诚医疗器材有限公司 | Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system |
| CN110215273A (en) * | 2019-06-19 | 2019-09-10 | 莒县人民医院 | A kind of orthopedic nail extractor convenient for removing broken nail |
-
2016
- 2016-08-31 CN CN201621027162.5U patent/CN206491866U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236244A (en) * | 2016-08-31 | 2016-12-21 | 北京爱康宜诚医疗器材有限公司 | Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system |
| CN106236244B (en) * | 2016-08-31 | 2019-07-09 | 北京爱康宜诚医疗器材有限公司 | Skeleton fixing nail withdrawing device and skeleton fixing nail extraction system |
| CN110215273A (en) * | 2019-06-19 | 2019-09-10 | 莒县人民医院 | A kind of orthopedic nail extractor convenient for removing broken nail |
| CN110215273B (en) * | 2019-06-19 | 2021-09-21 | 莒县人民医院 | Orthopedics nail extractor convenient to get rid of disconnected nail |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170915 Effective date of abandoning: 20190709 |