CN213552130U - Self-locking type femur osteotomy device - Google Patents
Self-locking type femur osteotomy device Download PDFInfo
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- CN213552130U CN213552130U CN202022114950.0U CN202022114950U CN213552130U CN 213552130 U CN213552130 U CN 213552130U CN 202022114950 U CN202022114950 U CN 202022114950U CN 213552130 U CN213552130 U CN 213552130U
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Abstract
The utility model provides a from locking-type thighbone osteotomy device, include: the locking device is positioned in the mounting part; the mounting part is internally provided with a mounting groove, the upper end of the mounting groove is provided with a mounting hole, and the lower end of the mounting groove is provided with an opening; the locking device comprises a fixed rod, a locking piece rotating on the fixed rod and an elastic piece for pressing the locking piece, the fixed rod is fixed on the side surface of the mounting groove, one end of the elastic piece is fixed on the upper end surface of the mounting groove, the other end of the elastic piece is in contact with one end of the locking piece, and a locking structure is arranged at the other end of the locking piece; therefore, the self-locking femoral osteotomy device can be quickly installed and fixed on the femoral positioning device bracket, and can be quickly and conveniently disassembled.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a from locking-type thighbone osteotomy device.
Background
In the medical field, the femoral osteotomy device needs to be conveniently and stably installed and fixed on a femoral positioning device bracket, so that the femoral positioning device can adjust and determine the position of the femoral osteotomy device, and the femoral osteotomy device needs to be conveniently and quickly detached from the femoral positioning device and the bracket after the femoral osteotomy device is positioned.
The original femur osteotomy device is provided with a key with a tooth shape, and the key is matched with the tooth shape on the fixed shaft of the femur positioning device support to lock the femur osteotomy device on the femur positioning device support. However, when the original femur osteotomy device is mounted on the femur positioning device bracket, the toothed key is required to be pressed all the time, and after the femur osteotomy device is sleeved on the proper position of the femur positioning device bracket shaft, the key is released to lock the femur osteotomy device. When the support of the femur positioning device is disassembled, because the shaft matched with the support is long, the key of the femur osteotomy device is required to be pressed all the time until the support is completely withdrawn.
Therefore, the key of the existing femur osteotomy device is inconvenient to use, and the installation and the disassembly of the femur osteotomy device on the femur positioning device support are complicated.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been developed to provide a self-locking femoral osteotomy device that overcomes, or at least partially addresses, the above-identified problems.
In order to solve the problem, the utility model discloses a from locking-type thighbone osteotomy device, include: the locking device is positioned in the mounting part;
the mounting part is internally provided with a mounting groove, the upper end of the mounting groove is provided with a mounting hole, and the lower end of the mounting groove is provided with an opening;
the locking device comprises a fixed rod, a locking piece and an elastic piece, wherein the locking piece rotates on the fixed rod, the elastic piece applies pressure to the locking piece, the fixed rod is fixed to the side face of the mounting groove, one end of the elastic piece is fixed to the upper end face of the mounting groove, the other end of the elastic piece is in contact with one end of the locking piece, and a locking structure is arranged at the other end of the locking piece.
Optionally, the locking piece includes the locking portion that is equipped with the locking structure, with the splenium of elastic component contact and be located the locking portion with the fixed part between the splenium, the fixed part is equipped with the fixed orifices, the fixed orifices with dead lever clearance fit.
Optionally, the locking portion is of an arc-shaped structure, the locking portion is located on the side edge of the mounting hole, and the concave portion of the arc-shaped structure faces the mounting hole.
Optionally, the locking structure is a protruding portion, the locking structure is disposed on a side surface of the locking portion, and the locking structure faces the mounting hole.
Optionally, the fixing portion is provided with a protruding block, the protruding block is located on the side of the locking member, the protruding block and the protruding portion are located on the same side, and the fixing hole is located on the protruding block.
Optionally, the pressing portion is further provided with a positioning column, the positioning column is located on an inner side surface of the pressing portion, and the positioning column is matched with the elastic piece.
Optionally, the elastic member is a coil spring, the positioning column is sleeved inside the elastic member, the elastic member is located on the side of the mounting hole, and the elastic member and the locking structure are arranged oppositely.
Optionally, the pressing portion is located outside the mounting groove, and an outer side surface of the pressing portion is arranged in a plane.
Optionally, a limiting portion is arranged below the mounting hole, the limiting portion is arranged on one side of the mounting hole in a surrounding mode, and the limiting portion is far away from the limiting structure.
Optionally, the mounting groove is located the installation department tip, just the mounting groove is the rectangular channel.
The utility model discloses a following advantage: through setting up from locking-type thighbone osteotomy device, when the elastic component is in natural state, locking structure is located the below middle part of mounting hole, when needs installation, will the erection column of thighbone positioner support inserts in the mounting hole, the erection column will locking structure pushes open, drives locking piece winds the dead lever is rotatory and compress the elastic component locking structure is located behind the locking inslot, locking piece no longer rotates, when needs are dismantled, presses down the splenium, locking structure with the separation of locking groove directly takes off from locking-type thighbone osteotomy device can to can with from locking-type thighbone osteotomy device is in install and fix on the thighbone positioner support fast, dismantlement also can be convenient fast simultaneously.
Drawings
Fig. 1 is a schematic view of a cutting structure of a self-locking femoral osteotomy device and a femoral positioning device bracket of the present invention;
fig. 2 is a sectional structure diagram of the mounting portion of the self-locking femoral osteotomy device of the present invention;
fig. 3 is a schematic structural view of a locking member of the self-locking femoral osteotomy device of the present invention.
1. Installation department, 11, mounting groove, 12, mounting hole, 2, locking means, 21, dead lever, 22, locking piece, 23, elastic component, 24, locking portion, 25, fixed part, 26, press the splenium, 27, locking structure, 28, fixed orifices, 29, reference column, 3, thighbone positioner support, 31, mounting column.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
One of the core ideas of the present invention is that, by providing a self-locking femoral osteotomy device, when the elastic member 23 is in a natural state, the locking structure 27 is located at the middle below the mounting hole 12, when the installation is required, the mounting post 31 of the femoral positioning device bracket 3 is inserted into the mounting hole 12, the mounting post 31 pushes the locking structure 27 open to drive the locking member 22 to rotate around the fixing rod 21 and compress the elastic member 23, after the locking structure 27 is located in the locking groove, the locking member 22 does not rotate any more, when the disassembly is required, the pressing portion 26 is pressed down, the locking structure 27 is separated from the locking groove, the self-locking femoral osteotomy device is directly taken down, so that the self-locking femoral osteotomy device can be rapidly installed and fixed on the femoral positioning device bracket 3, and meanwhile, the disassembly can be fast and convenient.
Referring to fig. 1-3, there are shown schematic structural diagrams of a self-locking femoral osteotomy device of the present invention, which may specifically include: the locking device comprises a mounting part 1 and a locking device 2 positioned inside the mounting part 1;
an installation groove 11 is formed in the installation part 1, an installation hole 12 is formed in the upper end of the installation groove 11, and an opening is formed in the lower end of the installation groove 11;
the locking device 2 comprises a fixing rod 21, a locking piece 22 rotating on the fixing rod 21 and an elastic piece 23 pressing the locking piece 22, the fixing rod 21 is fixed on the side surface of the installation groove 11, one end of the elastic piece 23 is fixed on the upper end surface of the installation groove 11, the other end of the elastic piece 23 is in contact with one end of the locking piece 22, and a locking structure 27 is arranged at the other end of the locking piece 22.
It should be noted that, the utility model discloses a need fix at thighbone positioner support 3 from locking-type thighbone osteotomy device, thighbone positioner support 3 is equipped with erection column 31, erection column 31 is equipped with the locking groove, works as erection column 31 inserts mounting hole 12, locking structure 27 is located the locking inslot, thereby will fix from locking-type thighbone osteotomy device on thighbone positioner support 3.
In this embodiment, the mounting portion 1 is a femoral cutter, a mounting groove 11 is provided inside the mounting portion 1, the mounting groove 11 is located at the lower end of the mounting portion 1, and the mounting groove 11 is a rectangular groove; 11 lower parts of mounting groove are equipped with the opening, the opening size with 11 sizes of mounting groove are the same, mounting hole 12 has been seted up to 11 upper ends of mounting groove, mounting hole 12 is located 11 middle parts of mounting groove, just mounting hole 12 slightly is greater than erection column 31, so that erection column 31 inserts just can not take place to rock in the mounting hole 12.
As shown in fig. 1 and 3, the locking device 2 includes a fixing rod 21, a locking member 22 rotating on the fixing rod 21, and an elastic member 23 pressing the locking member 22, the fixing rod 21 is fixed on a side surface of the installation groove 11, one end of the elastic member 23 is fixed on an upper end surface of the installation groove 11, the other end of the elastic member 23 contacts with one end of the locking member 22, and the other end of the locking member 22 is provided with a locking structure 27; specifically, the locking device 2 is disposed inside the installation groove 11, and the locking device 2 is located below the installation hole 12, the locking device 2 includes a fixed rod 21, a locking member 22 rotating on the fixed rod 21, and an elastic member 23 pressing the locking member 22, the fixed rod 21 is fixedly disposed on a side surface of the installation groove 11, the locking member 22 is mounted on the fixed rod 21, and the locking member 22 is rotatable around the fixed rod 21, one end of the elastic member 23 is fixed on the installation portion 1 and located on an upper end surface of the installation groove 11, and the other end of the elastic member 23 is in contact with the locking member 22, and is configured to provide an elastic force to the locking member 22, so that the locking member 22 rotates on the fixed rod 21, and thereby drives the locking structure 27 on the locking member 22 to move; when elastic component 23 is in the natural state, locking structure 27 is located the below middle part of mounting hole 12, when needs installation, will thighbone positioner support 3's erection column 31 inserts when in the mounting hole 12, erection column 31 will locking structure 27 pushes away, drives locking piece 22 winds dead lever 21 is rotatory and compress elastic component 23 locking structure 27 is located behind the locking inslot, locking piece 22 is no longer rotatory, when needs are dismantled, presses down pressing portion 26, locking structure 27 with the locking groove separation, directly take off from locking-type thighbone osteotomy device can, thereby can with from locking-type thighbone osteotomy device is in install and fix on thighbone positioner support 3 fast, it also can be fast convenient to dismantle simultaneously.
As shown in fig. 3, the locking member 22 includes a locking portion 24 provided with the locking structure 27, a pressing portion 26 contacting with the elastic member 23, and a fixing portion 25 located between the locking portion 24 and the pressing portion 26, the fixing portion 25 is provided with a fixing hole 28, and the fixing hole 28 is movably engaged with the fixing rod 21; the locking part 24 is of an arc-shaped structure, the locking part 24 is positioned on the side of the mounting hole 12, the concave part of the arc-shaped structure faces the mounting hole 12, and the arc-shaped structure is arranged so that the locking structure 27 can enter the locking groove in parallel; the pressing part 26 is located outside the mounting groove 11, the outer side surface of the pressing part 26 is arranged in a plane, so that the femoral positioning device support 3 can be detached through pressing the pressing part 26 to enable the locking structure 27 to be separated from the locking groove, and after separation, the self-locking femoral osteotomy device is separated from the femoral positioning device support 3 under the action of self weight, and detachment is achieved.
The locking structure 27 is a convex part, the locking structure 27 is arranged on the side surface of the locking part 24, and the locking structure 27 faces the mounting hole 12; specifically, the locking structure 27 is disposed at the upper end of the locking portion 24, and the locking structure 27 is a protrusion with an inclined surface, so as to push the locking portion 24 aside when the mounting post 31 is inserted.
The fixing portion 25 is provided with a protruding block, the protruding block is located on the side of the locking member 22, the protruding block and the protruding portion are located on the same side, the fixing hole 28 is located on the protruding block, and the protruding block can provide a larger area for arranging the fixing hole 28.
The pressing portion 26 is further provided with a positioning column 29, the positioning column 29 is located on the inner side surface of the pressing portion 26, and the positioning column 29 is matched with the elastic member 23; the elastic part 23 is a helical spring, the positioning column 29 is sleeved inside the elastic part 23, the elastic part 23 is located on the side of the mounting hole 12, and the elastic part 23 is arranged opposite to the locking structure 27; the positioning column 29 is sleeved inside the elastic part 23, and the positioning column 29 and the elastic part 23 are in interference fit, so that the elastic part 23 and the positioning column 29 are fixedly connected.
As shown in fig. 2, in another embodiment, a limiting portion is disposed below the mounting hole 12, the limiting portion is disposed around one side of the mounting hole 12, and the limiting portion is away from the limiting structure, specifically, the limiting portion may be an arc-shaped protrusion, and the limiting portion does not contact with the locking structure 27, and the limiting portion is disposed so that when the locking structure 27 leans against the locking groove, a support is provided at the other side of the locking groove, thereby preventing the mounting post 31 from deflecting or shaking in the mounting hole 12.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The self-locking femoral osteotomy device provided by the utility model is introduced in detail, and the principle and the implementation mode of the utility model are explained by applying a specific example, and the explanation of the above embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A self-locking femoral osteotomy device, comprising: the locking device is positioned in the mounting part;
the mounting part is internally provided with a mounting groove, the upper end of the mounting groove is provided with a mounting hole, and the lower end of the mounting groove is provided with an opening;
the locking device comprises a fixed rod, a locking piece and an elastic piece, wherein the locking piece rotates on the fixed rod, the elastic piece applies pressure to the locking piece, the fixed rod is fixed to the side face of the mounting groove, one end of the elastic piece is fixed to the upper end face of the mounting groove, the other end of the elastic piece is in contact with one end of the locking piece, and a locking structure is arranged at the other end of the locking piece.
2. The self-locking femoral osteotomy device of claim 1, wherein the locking member comprises a locking portion having the locking structure, a pressing portion contacting the elastic member, and a fixing portion located between the locking portion and the pressing portion, the fixing portion having a fixing hole movably engaged with the fixing rod.
3. The self-locking femoral osteotomy device of claim 2, wherein the locking portion is an arcuate structure, the locking portion being located laterally of the mounting hole, and a concave portion of the arcuate structure facing the mounting hole.
4. The self-locking femoral osteotomy device of claim 2 or 3, wherein the locking structure is a protrusion, the locking structure is disposed on a side of the locking portion, and the locking structure faces the mounting hole.
5. The self-locking femoral osteotomy device of claim 4, wherein said fixation portion is provided with a protrusion, said protrusion being located on a side of said locking member, said protrusion being located on a same side as said protrusion, and said fixation aperture being located on said protrusion.
6. The self-locking femoral osteotomy device of claim 2, wherein the pressing portion further comprises a positioning post located on an inner side of the pressing portion, and the positioning post is engaged with the elastic member.
7. The self-locking femoral osteotomy device of claim 6, wherein the resilient member is a coil spring, the positioning post is sleeved inside the resilient member, the resilient member is located at a side of the mounting hole, and the resilient member is opposite to the locking structure.
8. The self-locking femoral osteotomy device of claim 2, wherein the pressing portion is located outside the mounting groove, and an outer side surface of the pressing portion is planar.
9. The self-locking femoral osteotomy device of claim 1, wherein a limiting portion is disposed below the mounting hole, the limiting portion is disposed around one side of the mounting hole, and the limiting portion is away from the limiting structure.
10. The self-locking femoral osteotomy device of claim 1, wherein said mounting slot is located at a lower end of said mounting portion, and said mounting slot is a rectangular slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114950.0U CN213552130U (en) | 2020-09-23 | 2020-09-23 | Self-locking type femur osteotomy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022114950.0U CN213552130U (en) | 2020-09-23 | 2020-09-23 | Self-locking type femur osteotomy device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213552130U true CN213552130U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022114950.0U Active CN213552130U (en) | 2020-09-23 | 2020-09-23 | Self-locking type femur osteotomy device |
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| CN (1) | CN213552130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729846A (en) * | 2021-08-24 | 2021-12-03 | 北京长木谷医疗科技有限公司 | Knee joint cuts bone baffle |
-
2020
- 2020-09-23 CN CN202022114950.0U patent/CN213552130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729846A (en) * | 2021-08-24 | 2021-12-03 | 北京长木谷医疗科技有限公司 | Knee joint cuts bone baffle |
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