CN209826924U - Internal fixing device for plane fracture and plane joint release reduction - Google Patents
Internal fixing device for plane fracture and plane joint release reduction Download PDFInfo
- Publication number
- CN209826924U CN209826924U CN201920291600.6U CN201920291600U CN209826924U CN 209826924 U CN209826924 U CN 209826924U CN 201920291600 U CN201920291600 U CN 201920291600U CN 209826924 U CN209826924 U CN 209826924U
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- connecting body
- fixed
- traction
- connector
- fixing
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Abstract
The utility model relates to an internal fixation device, in particular to an internal fixation device for plane fracture and plane joint disengagement and reduction, which belongs to the technical field of medical instruments. According to the technical scheme provided by the utility model, plane fracture, plane joint throw off and restore to the throne and use internal fixation device, including be used for with first fixed connector of first bone piece fixed connection and be used for with second bone piece fixed connection's the fixed connector of second, connect through connecting tractive locking mechanism between first fixed connector, the fixed connector of second, can make the first fixed connector, the fixed connector corresponding tip of second near each other through connecting tractive locking mechanism, and when first fixed connector, the fixed connector corresponding tip of second near each other, can make first bone piece and the corresponding tip of second bone piece keep near the state each other. The utility model discloses compact structure can effectively realize resetting fixedly, convenient to use, safe and reliable.
Description
Technical Field
The utility model relates to an internal fixation device, in particular to an internal fixation device for plane fracture and plane joint disengagement and reduction, which belongs to the technical field of medical instruments.
Background
In the fields of natural disasters, traffic accidents, construction accidents and the like, the wounded person is easy to have limb fractures and fracture injuries of other parts. In emergency treatment sites and hospitals, the fracture part needs to be effectively fixed, and meanwhile, the fracture part needs to be reset, so that the pain of a patient is relieved, and the recovery of the patient is facilitated.
Most of the existing fracture reduction methods adopt manual methods to realize reduction work, but when the manual methods are adopted for reduction, the requirements on physical strength and endurance of medical staff are too high, the phenomenon of inaccurate reduction easily occurs, and the problems of secondary damage and later-stage deformity healing are caused.
Disclosure of Invention
The utility model aims at overcoming the not enough of existence among the prior art, providing a plane fracture, plane joint throw off the internal fixation device that resets, its compact structure can effectively realize resetting fixedly, convenient to use, safe and reliable.
According to the technical scheme provided by the utility model, plane fracture, plane joint throw off and restore to the throne and use internal fixation device, including be used for with first fixed connector of first bone piece fixed connection and be used for with second bone piece fixed connection's the fixed connector of second, connect through connecting tractive locking mechanism between first fixed connector, the fixed connector of second, can make the first fixed connector, the fixed connector corresponding tip of second near each other through connecting tractive locking mechanism, and when first fixed connector, the fixed connector corresponding tip of second near each other, can make first bone piece and the corresponding tip of second bone piece keep near the state each other.
The connecting traction locking mechanism comprises a traction connecting body and traction locking teeth arranged on the lower surface of the traction connecting body, the first end of the traction connecting body is connected with the first fixed connecting body, the second end of the traction connecting body can extend into the second fixed connecting body, and the traction locking teeth of the traction connecting body can be meshed with the fixed connecting teeth in the second fixed connecting body;
the second end of the traction connecting body can move along the length direction of the second fixed connecting body in the second fixed connecting body, after the second end of the traction connecting body moves in the second fixed connecting body, the corresponding end parts of the first fixed connecting body and the second fixed connecting body can gradually abut against each other, and when the corresponding end parts of the first fixed connecting body and the second fixed connecting body abut against each other, the second end of the traction connecting body can be locked in the second fixed connecting body through the connecting body locking mechanism.
The connecting body locking mechanism comprises a locking bolt, and the locking bolt can be contacted with the second end of the traction connecting body after penetrating through a locking bolt hole in the second fixed connecting body so as to lock the second end of the traction connecting body in the second fixed connecting body.
The side edge of the traction connecting body is also provided with traction connecting teeth distributed along the length direction of the traction connecting body; set up on the fixed connector of second can be connected the tractive dwang of tooth meshing with the tractive, the tractive dwang can be at the fixed connector internal rotation of second, and when the tractive dwang rotated, the tractive connector was connected the tooth through the tractive and is cooperated can make the second end of tractive connector at the internal motion of second fixed connector with the tractive dwang.
The traction rotating rod and the second fixed connecting body are detachably connected.
The first end of the traction connecting body is provided with a traction connecting hole, the first fixed connecting body is internally provided with a traction connecting body positioning hole allowing the first end of the traction connecting body to be embedded, when the first end of the traction connecting body is embedded in the traction connecting body positioning hole, the traction connecting hole is aligned and communicated with the connecting body locking hole on the first fixed connecting body, and the first end of the traction connecting body is fixedly connected with the first fixed connecting body through the traction connecting body locking hole and the traction connecting hole.
The traction connection fixing body comprises a traction connection fixing sleeve and a traction connection fixing rod which can be embedded in the traction connection fixing sleeve, the end part of the traction connection fixing sleeve is provided with a fixing sleeve end plate, and the end part of the traction connection fixing rod is provided with a connection fixing rod end plate.
The first fixed connecting body and the second fixed connecting body can be fixed with the first bone block and the second bone block respectively through connecting body bolts.
A first fixed connecting body hole matched with the connecting body bolt is formed in the first fixed connecting body, and a first step is arranged in the first fixed connecting body hole.
And a second fixed connector hole matched with the connector bolt is arranged in the second fixed connector, and a second step is arranged in the second fixed connector hole.
The utility model has the advantages that: through first fixed connection physical stamina and first bone piece fixed, it is fixed with the second bone piece through second fixed connection physical stamina, first fixed connection body is connected the cooperation through connecting tractive locking mechanism and second fixed connection body, when first fixed connection physical stamina is close to second fixed connection body, can make first bone piece to the direction motion of being close to the second bone piece, first bone piece is when near with the bone piece, utilize to connect tractive locking mechanism and can keep the connection state between first bone piece and the second bone piece, thereby can effectively realize resetting fixedly, high durability and convenient use, safety and reliability.
Drawings
Fig. 1 is a usage state diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the first bone block and the second bone block abutting against each other through the first fixing connector and the second fixing connector of the present invention.
Fig. 4 is a schematic structural view of the first fixing connector of the present invention.
Fig. 5 is a schematic structural view of the traction connector of the present invention.
Fig. 6 is a schematic structural view of a second fixing connector according to the present invention.
Fig. 7 is a schematic view of the connector bolt and the first fixed connector of the present invention.
Fig. 8 is a side view of the pulling connector of the present invention.
Fig. 9 is a schematic view of the connector bolt of the present invention cooperating with a second fixed connector.
Description of reference numerals: 1-a first fixed connector, 2-a second fixed connector, 3-a first bone block, 4-a second bone block, 5-a connector bolt, 6-a locking bolt, 7-a traction connecting fixed body, 8-a traction connector, 9-a traction rotating rod, 10-a first fixed connector hole, 11-a connector locking hole and 12-a traction connecting hole, 13-pulling connecting teeth, 14-pulling locking teeth, 15-second fixed connector holes, 16-fixed connecting teeth, 17-pulling rotating rod holes, 18-first steps, 19-pulling connecting fixing sleeves, 20-fixing sleeve end plates, 21-pulling connecting body positioning holes, 22-pulling connecting fixing rods, 23-connecting fixing rod end plates, 24-locking bolt holes and 25-cavities.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1, 2 and 3: in order to realize effectively that it is fixed to reset, the utility model discloses a be used for with first fixed connector 1 of 3 fixed connection of first bone piece and be used for with the fixed connector 2 of second bone piece 4 fixed connection's second, first fixed connector 1, the fixed connector 2 of second are connected through connecting tractive locking mechanism within a definite time, can make first fixed connector 1, the fixed connector 2 corresponding tip of second near each other through connecting tractive locking mechanism, and when first fixed connector 1, the fixed connector 2 corresponding tip of second near each other, can make first bone piece 3 and the corresponding tip of second bone piece 4 keep near the state each other.
Specifically, the first fixed connecting body 1, the second fixed connecting body 2 and the connecting, pulling and locking mechanism are all made of materials meeting medical standards, such as steel plates, and the types of specific materials can be selected as needed, which is not described herein again. The first bone block 3 and the second bone block 4 are two bone blocks to be separated and reset or two bone blocks with gaps are formed after fracture. The first fixed connector 1 is fixed with the first bone block 3, the second fixed connector 2 is fixed with the second bone block 4, the first fixed connector 1 is connected with the second fixed connector 2 through a connecting traction locking mechanism, the first fixed connector 1 and the second fixed connector 2 can be gradually adjacent to each other through the connecting traction locking mechanism, when the first fixed connector 1 and the second fixed connector 2 are adjacent to each other, the first bone block 3 and the second bone block 4 can be close to each other, and when the corresponding adjacent ends of the first fixed connector 1 and the second fixed connector 2 are close to each other, the adjacent ends of the first bone block 3 and the second bone block 4 are also close to each other, and the mutual close state of the adjacent ends of the first bone block 3 and the second bone block 4 can be kept through the connecting traction locking mechanism, so that the bone fracture blocks are close to each other, and (4) resetting the two separated bone blocks.
As shown in fig. 4, 7 and 9, the first and second fixed connection bodies 1 and 2 can be fixed to the first and second bone pieces 3 and 4, respectively, by the connection body bolt 5.
In the embodiment of the present invention, a first fixed connector hole 10 adapted to the connector bolt 5 is provided in the first fixed connector 1, and a first step 18 is provided in the first fixed connector hole 10. Wherein, set up two first fixed connector holes 10 on first fixed connector 1, first fixed connector hole 10 link up first fixed connector 1, and first fixed connector hole 10 is located the one end of keeping away from second fixed connector 2 relatively. The connector bolt 5 can be embedded in the first fixed connector hole 10, and when the connector bolt 5 is fixed with the first bone block 3, the first fixed connector 1 can be fixed with the first bone block 3. Utilize first step 18 can carry on spacingly to connector bolt 5, when connector bolt 5 and first step 18 contact, can improve the stability and the reliability of the fixed connection between first fixed connector 1 and the first bone piece 3. In specific implementation, the first fixing connector hole 10 may be a tapered hole to meet the requirements of different connection angles between the connector bolt 5 and the first bone block 3.
A second fixed connector hole 15 adapted to the connector bolt 5 is provided in the second fixed connector 2, and a second step is provided in the second fixed connector hole 15. In the embodiment of the present invention, the second fixed connector hole 15 penetrates through the second fixed connector 2, and the second fixed connector hole 15 is located at the end of the second fixed connector which is relatively far away from the first fixed connector 1. The connecting bolt 5 can be arranged in the second fixing and connecting hole 15, and when the connecting body bolt 5 in the second fixing and connecting body hole 15 is fixed with the second bone block 4, the second fixing and connecting body 1 can be fixed with the second bone block 4. In specific implementation, the second fixing connector hole 15 may be a tapered hole to meet the requirements of different connection angles between the connector bolt 5 and the second bone block 4. The process of matching the second fixed connector hole, the second step, the connecting bolt 5 and the second bone block 4 of the second bone block connector 2 can refer to the above description of matching the first fixed connector 1 and the first bone block 3, and is not further described here.
As shown in fig. 5, 6 and 8, the connecting pulling and locking mechanism comprises a pulling and connecting body 8 and a pulling and locking tooth 14 arranged on the lower surface of the pulling and connecting body 8, wherein a first end of the pulling and connecting body 8 is connected with the first fixed connecting body 1, a second end of the pulling and connecting body 8 can extend into the second fixed connecting body 2, and the pulling and locking tooth 14 of the pulling and connecting body 8 can be engaged with a fixed connecting tooth 16 in the second fixed connecting body 2;
the second end of the traction connecting body 8 can move along the length direction of the second fixed connecting body 2 in the second fixed connecting body 2, after the second end of the traction connecting body 8 moves in the second fixed connecting body 2, the corresponding ends of the first fixed connecting body 1 and the second fixed connecting body 2 can gradually abut against each other, and when the corresponding ends of the first fixed connecting body 1 and the second fixed connecting body 2 abut against each other, the second end of the traction connecting body 8 can be locked in the second fixed connecting body 2 through a connecting body locking mechanism.
In the embodiment of the present invention, the first fixing connector 1, the second fixing connector 2 and the pulling connector 8 are all in a long strip shape. The lower surface of the pulling connecting body 8 is provided with pulling locking teeth 14, the pulling locking teeth 14 are distributed along the length of the pulling connecting body 8, and the length of the pulling locking teeth 14 is smaller than that of the pulling connecting body 8. The first end of the pulling connection body 8 is connected with the first fixed connection body 1, the second end of the pulling connection body 8 can extend into the cavity 25 in the second fixed connection body 2, and the pulling locking teeth 14 of the pulling connection body 8 can be engaged with the fixed connection teeth 16. When the traction locking teeth 14 are engaged with the fixed connecting teeth 16, the mutual abutting of the corresponding adjacent end parts of the first fixed connecting body 1 and the second fixed connecting body 2 is not influenced, and the separation of the mutually abutted end parts of the first fixed connecting body 1 and the second fixed connecting body 2 under the non-forced condition can be avoided by utilizing the matching of the traction locking teeth 14 and the fixed connecting teeth 16, so that the stability and the reliability of the abutted first bone block 3 and the second bone block 4 can be improved. During specific implementation, the second end of the traction connecting body 8 can be locked in the second fixed connecting body 2 through the connecting body locking mechanism, at the moment, the traction locking teeth 14 and the fixed connecting teeth 16 keep a meshed state, and the stability and the reliability of the first bone block 3 and the second bone block 4 after being abutted against each other are further improved. Generally, when the adjacent ends of the first bone piece 3 and the second bone piece 4 are close to each other, the second end of the pulling and connecting body 8 can still move in the second fixed and connecting body 2, and when the second end of the pulling and connecting body 8 moves in the second fixed and connecting body 2, the end of the first fixed and connecting body 1 adjacent to the second fixed and connecting body 2 can gradually approach the second fixed and connecting body 2 until the adjacent ends of the first fixed and connecting body 1 and the second fixed and connecting body 2 are close to each other. After the second end of the traction connecting body 8 is locked in the second fixed connecting body 2 by the connecting body locking mechanism, the stability and the stability of the close state between the first fixed connecting body 1 and the second fixed connecting body 2 can also be ensured.
As shown in fig. 1, 2, 3 and 9, the connector locking mechanism includes a locking bolt 6, and the locking bolt 6 can pass through a locking bolt hole 24 of the second fixed connector 2 and then contact the second end of the pulling connector 8, so that the second end of the pulling connector 8 can be locked in the second fixed connector 2.
The embodiment of the utility model provides an in, locking bolt hole 24 on second fixed connector 2, locking bolt hole 24 and cavity 25 intercommunication, locking bolt hole 24 and locking bolt 6 adaptation, locking bolt 6 and tractive connector 8 are located the second end contact of cavity 25 to utilize locking bolt 6 to lock the second end locking of tractive connector 8 in second fixed connector 2, at this moment, the second end and the second fixed connector 2 of tractive connector 8 keep fixed.
Furthermore, pulling connecting teeth 13 distributed along the length direction of the pulling connecting body 8 are also arranged on the side edge of the pulling connecting body 8; set up on second fixed connection body 2 can be connected tooth 13 meshed tractive dwang 9 with the tractive, tractive dwang 9 can be at 2 internal rotations of second fixed connection body, and when tractive dwang 9 rotated, tractive connector 8 was connected tooth 13 through the tractive and is cooperated with tractive dwang 9 and can be so that the second end of tractive connector 8 moves in second fixed connection body 2.
The embodiment of the utility model provides an in, tractive connection tooth 13 is located the side of tractive connector 8, generally, and tractive dwang 9 is perpendicular with the length direction of the fixed connector 2 of second and tractive connector 8. A drawing rotating rod hole 17 is formed in the second fixed connecting body 2, and the drawing rotating rod 9 can extend into the cavity 25 through the drawing rotating rod hole 17. The pulling swivelling levers 9 can engage with the pulling articulation teeth 13, which, when the pulling swivelling levers 9 are made to rotate, can make the second end of the pulling articulation 8 move inside the second fixed articulation 2, so that the end of the first fixed articulation 1 corresponding to the adjacent second fixed articulation 2 can gradually approach the second fixed articulation 2. Furthermore, the pulling and turning rod 9 is detachably connected to the second fixed connecting body 2. The utility model discloses in implementing, when being connected the tooth 13 cooperation through tractive dwang 9 and tractive and make first fixed connector 1, the fixed connector 2 of second correspond adjacent tip near the time, tractive dwang 9 separates with the fixed connector 2 of second, can not influence subsequent use.
As shown in fig. 5, 7 and 8, a pulling connection hole 12 is provided at a first end of the pulling connection body 8, a pulling connection body positioning hole 21 allowing the first end of the pulling connection body 8 to be inserted is provided in the first fixed connection body 1, when the first end of the pulling connection body 8 is inserted in the pulling connection body positioning hole 21, the pulling connection hole 12 is aligned with and communicates with a connection body locking hole 11 on the first fixed connection body 1, and the first end of the pulling connection body 8 is fixedly connected to the first fixed connection body 1 by the pulling connection fixing body 7 passing through the connection body locking hole 11 and the pulling connection hole 12.
The embodiment of the utility model provides an in, tractive connecting hole 12 link up the first end of tractive connector 8, and the first end of tractive connector 8 can be inlayed in tractive connector locating hole 21, and tractive connector locating hole 21 is located the tip that first fixed connector 1 is close to second fixed connector 2. The connection locking hole 11 penetrates through the first fixed connection body 1, so that when the first end of the traction connection body 8 is embedded in the traction connection body positioning hole 21, the traction connection hole 12 can be aligned with and communicated with the connection body locking hole 11, the traction connection fixing body 7 can be used for effectively connecting the traction connection body 8 with the first fixed connection body 1, namely, after the first end of the traction connection body 8 is connected with the first fixed connection body 1 through the traction connection fixing body 7, the first fixed connection body 1 can be pulled to move towards the direction close to the second fixed connection body 2 through the traction connection body 8.
Further, the pulling connection fixing body 7 comprises a pulling connection fixing sleeve 19 and a pulling connection fixing rod 22 capable of being embedded in the pulling connection fixing sleeve 19, a fixing sleeve end plate 20 is arranged at the end of the pulling connection fixing sleeve 19, and a connection fixing rod end plate 23 is arranged at the end of the pulling connection fixing rod 22.
The embodiment of the utility model provides an in, the external diameter of fixed cover end plate 20 is greater than the external diameter that fixed cover 19 was connected in the tractive, and the external diameter of connecting dead lever end plate 23 is greater than the external diameter that the dead lever 22 was connected in the tractive, utilizes fixed cover end plate 20 and connects dead lever end plate 23 can conveniently cooperate with connector locking hole 11. During specific implementation, when the traction connecting fixing sleeve 19 is connected and matched with the traction connecting fixing rod 22, the convenience of assembly during connection and matching between the traction connecting body 8 and the first fixing connecting body 1 can be improved.
Claims (10)
1. An internal fixing device for plane fracture and plane joint release reduction is characterized in that: the bone fixing device comprises a first fixing connector (1) fixedly connected with a first bone block (3) and a second fixing connector (2) fixedly connected with a second bone block (4), wherein the first fixing connector (1) and the second fixing connector (2) are connected through a connecting traction locking mechanism, corresponding ends of the first fixing connector (1) and the second fixing connector (2) can abut against each other through the connecting traction locking mechanism, and when corresponding ends of the first fixing connector (1) and the second fixing connector (2) abut against each other, corresponding ends of the first bone block (3) and the second bone block (4) can keep abutting against each other.
2. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 1, wherein: the connecting traction locking mechanism comprises a traction connecting body (8) and traction locking teeth (14) arranged on the lower surface of the traction connecting body (8), the first end of the traction connecting body (8) is connected with the first fixed connecting body (1), the second end of the traction connecting body (8) can extend into the second fixed connecting body (2), and the traction locking teeth (14) of the traction connecting body (8) can be meshed with the fixed connecting teeth (16) in the second fixed connecting body (2);
the second end of the traction connecting body (8) can move along the length direction of the second fixed connecting body (2) in the second fixed connecting body (2), after the second end of the traction connecting body (8) moves in the second fixed connecting body (2), the corresponding ends of the first fixed connecting body (1) and the second fixed connecting body (2) can gradually abut against each other, and when the corresponding ends of the first fixed connecting body (1) and the second fixed connecting body (2) abut against each other, the second end of the traction connecting body (8) can be locked in the second fixed connecting body (2) through a connecting body locking mechanism.
3. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 2, wherein: the connector locking mechanism comprises a locking bolt (6), and the locking bolt (6) can be in contact with the second end of the traction connector (8) after penetrating through a locking bolt hole (24) in the second fixed connector (2) so as to lock the second end of the traction connector (8) in the second fixed connector (2).
4. The internal fixation device for reduction of planar fractures, planar disarticulation according to claim 2 or 3, wherein: the side edge of the traction connecting body (8) is also provided with traction connecting teeth (13) distributed along the length direction of the traction connecting body (8); set up tractive dwang (9) that can be connected tooth (13) meshing with the tractive on second fixed connection body (2), tractive dwang (9) can be at second fixed connection body (2) internal rotation, and when tractive dwang (9) rotated, tractive connector (8) are connected tooth (13) through the tractive and are can make the second end of tractive connector (8) at second fixed connection body (2) internal motion with tractive dwang (9) cooperation.
5. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 4, wherein: the traction rotating rod (9) is detachably connected with the second fixed connecting body (2).
6. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 1, wherein: the first end of the drawing connecting body (8) is provided with a drawing connecting hole (12), a drawing connecting body positioning hole (21) allowing the first end of the drawing connecting body (8) to be embedded is arranged in the first fixing connecting body (1), when the first end of the drawing connecting body (8) is embedded in the drawing connecting body positioning hole (21), the drawing connecting hole (12) is aligned to and communicated with a connecting body locking hole (11) in the first fixing connecting body (1), and the first end of the drawing connecting body (8) is fixedly connected with the first fixing connecting body (1) through a drawing connecting fixing body (7) penetrating through the connecting body locking hole (11) and the drawing connecting hole (12).
7. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 6, wherein: the traction connection fixing body (7) comprises a traction connection fixing sleeve (19) and a traction connection fixing rod (22) which can be embedded in the traction connection fixing sleeve (19), the end part of the traction connection fixing sleeve (19) is provided with a fixing sleeve end plate (20), and the end part of the traction connection fixing rod (22) is provided with a connection fixing rod end plate (23).
8. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 1, wherein: the first fixing connector (1) and the second fixing connector (2) can be fixed with the first bone block (3) and the second bone block (4) through connector bolts (5) respectively.
9. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 8, wherein: a first fixed connecting body hole (10) matched with a connecting body bolt (5) is formed in the first fixed connecting body (1), and a first step (18) is arranged in the first fixed connecting body hole (10).
10. The internal fixation device for reduction of planar fractures and planar disarticulation according to claim 8, wherein: and a second fixed connecting body hole (15) matched with the connecting body bolt (5) is formed in the second fixed connecting body (2), and a second step is formed in the second fixed connecting body hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291600.6U CN209826924U (en) | 2019-03-08 | 2019-03-08 | Internal fixing device for plane fracture and plane joint release reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291600.6U CN209826924U (en) | 2019-03-08 | 2019-03-08 | Internal fixing device for plane fracture and plane joint release reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209826924U true CN209826924U (en) | 2019-12-24 |
Family
ID=68905516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920291600.6U Expired - Fee Related CN209826924U (en) | 2019-03-08 | 2019-03-08 | Internal fixing device for plane fracture and plane joint release reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209826924U (en) |
-
2019
- 2019-03-08 CN CN201920291600.6U patent/CN209826924U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |