CN220676062U - Femur osteotomy auxiliary device - Google Patents
Femur osteotomy auxiliary device Download PDFInfo
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- CN220676062U CN220676062U CN202321815546.3U CN202321815546U CN220676062U CN 220676062 U CN220676062 U CN 220676062U CN 202321815546 U CN202321815546 U CN 202321815546U CN 220676062 U CN220676062 U CN 220676062U
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- 210000000689 upper leg Anatomy 0.000 title claims abstract description 62
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 98
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000002271 resection Methods 0.000 claims description 30
- 230000001012 protector Effects 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims 6
- 238000007906 compression Methods 0.000 claims 6
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000005498 polishing Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 208000014192 neoplasm of femur Diseases 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 208000018084 Bone neoplasm Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241001227561 Valgus Species 0.000 description 2
- 241000469816 Varus Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036210 malignancy Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a femur osteotomy auxiliary device, which comprises a femur condyle fixed plate, a scale rod and an osteotomy guide plate mechanism; one end of the scale rod is arranged on the femur condyle fixed plate, and scales are arranged on the scale rod along the extending direction of the scale rod; the bone cutting guide plate mechanism is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of a first fastening piece. Compared with the prior art, the femur osteotomy auxiliary device provided by the utility model can better ensure the measurement precision in the osteotomy process, can better ensure the osteotomy effect and avoid repeated polishing for a plurality of times.
Description
Technical Field
The utility model relates to the technical field of medical auxiliary instruments, in particular to a femur osteotomy auxiliary device.
Background
Bone malignancy is well established at the distal femur, and one way to clinically perform bone tumor surgery is to resect the femur tumor section before installing the prosthesis. In the prior art, when bone tumor surgery is performed, a steel ruler is used for measuring the bone cutting of a femur tumor section, so that the length of the femur tumor section to be resected is determined, and the measurement error is quite large due to the fact that the shape of the distal end of the femur is irregular and the steel ruler is used for measuring the result. And when osteotomy is carried out, the bone is cut by mainly using the pendulum saw, and the pendulum saw is easy to move in the osteotomy process, so that the osteotomy surface cannot be kept vertical to the long axis of the femur, the surface of the femur after osteotomy is not beneficial to the installation of the prosthesis, repeated polishing is needed, and the operation time is wasted.
Disclosure of Invention
Aiming at the problems that in the prior art, when femoral bone tumor sections are resected, measurement is carried out through a steel rule, and the measurement error is large; and the swing saw is easy to move in the bone cutting process, so that the bone cutting effect is affected, repeated polishing is needed after the bone cutting, and the technical problem of operation time waste is solved. The utility model provides a femur osteotomy auxiliary device, which is provided with a femur condyle fixed plate, wherein a scale rod with scales is arranged on the femur condyle fixed plate, when osteotomy is carried out, the femur condyle fixed plate can be tightly attached to the distal end of a femur, so that a measured reference plane is formed, and the required excision length can be directly measured through the scales on the scale rod, so that the measurement precision is better ensured; the bone cutting guide plate mechanism is movably arranged on the time scale rod, the bone cutting guide plate mechanism can limit the pendulum saw, accidental movement of the pendulum saw is avoided, therefore, the bone cutting effect can be better guaranteed, repeated grinding is needed for a plurality of times after bone cutting is better avoided, and the operation time is shortened.
A femur osteotomy auxiliary device, which comprises a femur condyle fixed plate, a scale rod and an osteotomy guide plate mechanism;
one end of the scale rod is arranged on the femur condyle fixed plate, and scales are arranged on the scale rod along the extending direction of the scale rod;
the bone cutting guide plate mechanism is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of a first fastening piece.
Preferably, one end of the scale rod is rotatably mounted on the femoral condyle fixed plate.
Preferably, the osteotomy guide mechanism comprises an osteotomy connector and an osteotomy guide;
the osteotomy connector is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of the first fastening piece;
the setting direction of the bone cutting guide plate is mutually perpendicular to the setting direction of the scale rod, the bone cutting guide plate can be installed on the bone cutting connector in a lifting mode, and the bone cutting guide plate can be fixed on the bone cutting connector under the fastening of the second fastening piece.
Preferably, the device further comprises an osteotomy protector;
the osteotomy protector is installed on the osteotomy connector in a lifting manner and can be fixed on the osteotomy connector under the fastening of a third fastening piece.
Preferably, the osteotomy guide plate comprises a first connecting column and an osteotomy guide plate body;
the first connecting column is installed in the osteotomy connector;
the bone cutting guide plate body is connected to one end of the first connecting column;
the second fastener is used for fixing the first connecting column on the osteotomy connector;
the osteotomy protector comprises a second connecting column and an osteotomy protector body;
the second connecting column is installed in the osteotomy connector;
the osteotomy protector body is connected to one end of the second connecting column and forms an accommodating space for accommodating femur together with the osteotomy guide plate body;
the third fastener is used to secure the second connecting post to the osteotomy connector.
Preferably, the first fastener, the second fastener and the third fastener are fastening bolts.
Preferably, the device also comprises a bone pressing mechanism;
the bone pressing mechanism is slidably mounted on the scale rod, is positioned between the femoral condyle fixing plate and the bone cutting guide plate mechanism, and can be fixed on the scale rod under the fastening of a fourth fastening piece.
Preferably, the bone pressing mechanism comprises a bone pressing plate connector and a bone pressing plate;
the bone pressing connector is slidably mounted on the scale rod and can be fixed on the scale rod under the fastening of a fourth fastening piece;
the setting direction of the bone pressing plate is mutually perpendicular to the setting direction of the scale rod, the bone pressing plate can be installed on the bone pressing connector in a lifting mode, and the bone pressing plate can be fixed on the bone pressing connector under the fastening of a fifth fastening piece.
Preferably, the bone pressing plate comprises a third connecting column and a bone pressing plate body;
the third connecting column is arranged in the bone pressing connector;
the bone pressing plate body is connected to one end of the third connecting column;
the fifth fastener is used for fixing the third connecting column on the bone pressing connector.
Preferably, the fourth fastener and the fifth fastener are fastening bolts.
Compared with the prior art, the femur osteotomy auxiliary device provided by the utility model comprises a femur condyle fixed plate, a scale rod and an osteotomy guide plate mechanism; one end of the scale rod is arranged on the femur condyle fixed plate, and scales are arranged on the scale rod along the extending direction of the scale rod; the bone cutting guide plate mechanism is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of a first fastening piece. When the femur osteotomy auxiliary device is used, the femur condyle fixing plate can be abutted against the distal femur end to form a measured reference plane, and scales are arranged on the scale rod, so that the required excision length can be intuitively measured, and the measuring precision is better ensured. And still be provided with on the scale pole osteotomy baffle mechanism, through osteotomy baffle mechanism can carry out spacingly to the pendulum saw, avoids pendulum saw osteotomy in-process to take place to remove to can be better guarantee osteotomy effect, avoid still need carrying out repeated polishing many times after the osteotomy, can reduce operation time.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a femoral resection assistance device according to one embodiment;
fig. 2 is a reference state diagram of the femoral resection assistance device of fig. 1 in use.
Detailed Description
In order to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
It is noted that when an element is referred to as being "fixed," "mounted," or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is "connected" or "connected" to another element, it can be directly connected or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.
The utility model provides a femur osteotomy auxiliary device, which comprises a femur condyle fixed plate, a scale rod and an osteotomy guide plate mechanism; one end of the scale rod is arranged on the femur condyle fixed plate, and scales are arranged on the scale rod along the extending direction of the scale rod; the bone cutting guide plate mechanism is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of a first fastening piece. When the femur osteotomy auxiliary device is used, the femur condyle fixing plate can be abutted against the distal femur end to form a measured reference plane, and scales are arranged on the scale rod, so that the required excision length can be intuitively measured, and the measuring precision is better ensured. And still be provided with on the scale pole osteotomy baffle mechanism, through osteotomy baffle mechanism can carry out spacingly to the pendulum saw, avoids pendulum saw osteotomy in-process to take place to remove to can be better guarantee osteotomy effect, avoid still need carrying out repeated polishing many times after the osteotomy, can reduce operation time.
Please refer to fig. 1 and fig. 2 in combination. The embodiment provides a femoral resection auxiliary device 100, which comprises a femoral condyle fixed plate 10, a scale rod 20 and a resection guide plate mechanism 30, wherein one end of the scale rod 20 is installed on the femoral condyle fixed plate 10, and scales 21 are arranged on the scale rod 20 along the extending direction of the scale rod. The osteotomy guiding plate mechanism 30 is slidably mounted on the staff rod 20, that is, the osteotomy guiding plate mechanism 30 is mounted on the staff rod 20, and the osteotomy guiding plate mechanism 30 can be slidably adjusted along the staff rod 20. The osteotomy guiding mechanism 30 can be fixed on the staff rod 20 under the fastening of the first fastening piece 40, that is, the first fastening piece 40 is used for fixing the osteotomy guiding mechanism 30 and the staff rod 20 with each other, when the osteotomy guiding mechanism 30 moves to a required position, the position of the osteotomy guiding mechanism 30 on the staff rod 20 can be fixed and limited by the first fastening piece 40, so that the osteotomy guiding mechanism 30 is prevented from accidentally sliding in the use process.
It can be understood that in the prior art, before osteotomy, the length of the femur tumor section to be resected is measured by a steel ruler, and the measurement result often has a large measurement error due to irregular shape of the distal femur end. When osteotomy is carried out, the pendulum saw is mainly used for osteotomy, the position of the pendulum saw is limited by the device, and the pendulum saw is easy to move in the osteotomy process, so that the osteotomy surface cannot be kept perpendicular to the long axis of the femur, the surface of the femur after osteotomy is unfavorable for prosthesis installation, repeated polishing is needed, and the operation time is wasted.
Before the femur osteotomy auxiliary device 100 provided in this embodiment performs osteotomy, the femur condyle fixing plate 10 can be first clung to the distal femur so as to form a measured reference plane, and then the length of the femur tumor section to be resected can be intuitively measured through the scale rod 20, so that the measurement accuracy can be better ensured, and the influence of human factors can be better avoided. Meanwhile, when the bone is cut, the position of the pendulum saw can be limited through the bone cutting guide plate mechanism 30, so that accidental movement of the pendulum saw can be better avoided, the bone cutting effect can be better ensured, repeated grinding is better avoided, and the operation time is shortened.
Preferably, in one embodiment, one end of the staff gauge rod 20 is rotatably mounted to the femoral condyle fixation plate 10. Specifically, one end of the scale rod 20 may be coupled to the femoral condyle fixing plate 10 via a rotation shaft or a hinge structure, so that the position of the scale rod 20 may be rotatably adjusted. As shown in fig. 1, the scale bar 20 is rotatable along the X-axis. Because the scale rod 20 is rotationally connected with the femoral condyle fixed plate 10, the position angle of the scale rod 20 can be flexibly adjusted, so that the variation of the femoral distal condyle plane of different patients can be adapted.
Preferably, in one embodiment, the osteotomy guide mechanism 30 includes an osteotomy connector 31, an osteotomy guide 32, the osteotomy connector 31 being slidably mounted on the staff gauge rod 20 and securable to the staff gauge rod 20 under the tightening of the first fastener 40. The setting direction of the osteotomy guide plate 32 is perpendicular to the setting direction of the scale bar 20, the osteotomy guide plate 32 is installed on the osteotomy connector 31 in a lifting manner, and the osteotomy guide plate 32 can be fixed on the osteotomy connector 31 under the fastening of the second fastening piece 50. That is, the second fastening member 50 is used to fix the osteotomy guiding plate 32 and the osteotomy connector 31 to each other, and after the osteotomy guiding plate 32 is moved to a desired position, the position of the osteotomy guiding plate 32 on the osteotomy connector 31 can be fixed and limited by the second fastening member 50, so that the osteotomy guiding plate 32 is prevented from accidentally sliding during use. Through the design be fixed in the long axis of femur scale pole 20, and through will osteotomy baffle 32 with scale pole 20 is perpendicular, reaches osteotomy baffle 32 with the long axis of femur vertically purpose, final definite osteotomy direction and stable osteotomy angle limit the pendulum saw through osteotomy baffle 32, better ensured the osteotomy effect.
Preferably, in one embodiment, the femoral resection assistance device 100 further comprises a resection protector 60, wherein the resection protector 60 is configured to be mounted on the resection connector 31 in a liftable manner and is configured to be secured to the resection connector 31 by a third fastener 70. That is, the third fastening member 70 is used to fix the osteotomy protector 60 and the osteotomy connector 31 to each other, and after the osteotomy protector 60 is moved to a desired position, the position of the osteotomy protector 60 on the osteotomy connector 31 can be fixed and limited by the third fastening member 70, so that the accidental movement of the osteotomy protector 60 during use is avoided. The osteotomy protector 60 is configured to abut the posterior surface of the femur during osteotomy to better secure the femur.
Preferably, in one embodiment, the osteotomy guide 32 includes a first connection post 321 and an osteotomy guide body 322, the first connection post 321 being mounted in the osteotomy connector 31, the osteotomy guide body 322 being connected to one end of the first connection post 321, the second fastener 50 being used to secure the first connection post 321 to the osteotomy connector 31. The osteotomy protector 60 includes a second connecting post 61 and an osteotomy protector body 62, the second connecting post 61 is mounted in the osteotomy connector 31, the osteotomy protector body 62 is connected to one end of the second connecting post 61, and the osteotomy protector body 62 and the osteotomy guide body 322 together enclose an accommodating space for accommodating a femur. The third fastener 70 is used to secure the second connecting post 61 to the osteotomy connector 31.
Preferably, in one embodiment, the first fastener 40, the second fastener 50, and the third fastener 70 are fastening bolts, so as to facilitate the fastening and the removing of the components. Specifically, in one embodiment, the osteotomy connector 31 is provided with threaded holes corresponding to the first fastener 40, the second fastener 50, and the third fastener 70, respectively, so that the fastening and loosening of the components can be achieved by screwing the fasteners in opposite directions.
Preferably, in one embodiment, the femoral resection assistance device 100 further comprises a bone pressing mechanism 80, wherein the bone pressing mechanism 80 is slidably mounted on the scale rod 20, and the bone pressing mechanism 80 is located between the femoral condyle fixing plate 10 and the resection guide mechanism 30. The bone pressing mechanism 80 can be fixed to the scale bar 20 with the fourth fastener 90. That is, the fourth fastening member 90 is configured to fix the bone pressing mechanism 80 and the scale rod 20 to each other, and after the bone pressing mechanism 80 moves to a desired position, the position of the bone pressing mechanism 80 on the scale rod 20 can be fixed and limited by the fourth fastening member 90, so as to avoid accidental movement of the bone pressing mechanism 80 during use. The bone pressing mechanism 80 is used to press against the anterior surface of the femur during osteotomy, thereby better securing the femur.
Preferably, in one embodiment, the bone pressing mechanism 80 includes a bone pressing plate connector 81 and a bone pressing plate 82, the bone pressing connector 81 is slidably mounted on the scale rod 20, and the bone pressing connector 81 can be fixed on the scale rod 20 under the fastening of the fourth fastening member 90. The setting direction of the bone pressing plate 82 is perpendicular to the setting direction of the scale rod 20, the bone pressing plate 82 is installed on the bone pressing connector 81 in a lifting manner, and the bone pressing plate 82 can be fixed on the bone pressing connector 81 under the fastening of the fifth fastening piece 91. That is, the fifth fastening member 91 is configured to fix the bone plate 82 and the bone plate connector 81 to each other, and after the bone plate 82 is moved to a desired position, the position of the bone plate 82 on the bone plate connector 81 can be fixed and limited by the fifth fastening member 91, so that the bone plate 82 is prevented from being accidentally moved during use.
Preferably, in one embodiment, the bone plate 82 includes a third connecting post 821 and a plate body 822, the third connecting post 821 is mounted in the bone plate connector 81, the plate body 822 is connected to one end of the third connecting post 821, and the fifth fastener 91 is used to fix the third connecting post 821 on the bone plate connector 81.
Preferably, in one embodiment, the fourth fastening member 90 and the fifth fastening member 91 are fastening bolts, so as to facilitate fastening and unfastening of the components. Specifically, in one embodiment, the bone plate connector 81 is provided with threaded holes corresponding to the fourth fastener 90 and the fifth fastener 91, respectively, so that the fastening and the loosening of the components can be achieved by screwing the fasteners in the opposite directions.
In the measurement process of the femoral resection auxiliary device 100, the femoral condyle fixing plate 10 is tightly attached to the distal end of the femur to form a measurement plane, the scale rod 20 is fixed on the central axis of the femur through the bone pressing plate 82, the resection length is determined through the scale unit on the scale rod 20, and then the resection guide plate 32 is fixed for accurate resection.
When the femur distal end accurate osteotomy is performed, the femur condyle fixed plate 10 is connected with the staff gauge rod 20, and then the position angle of the staff gauge rod 20 is adjusted to adapt to the varus and valgus angles of different femur. The bone plate 82 is then connected to the scale bar 20 via the bone plate connector 91 and the fourth fastener 90, and the bone plate 82 is then placed against the anterior surface of the femur. The osteotomy protector 60 is then connected to the staff gauge rod 20 via the osteotomy connector 31 and the first fastener 40, and the third fastener 70 is used to secure the osteotomy protector 60 to the osteotomy connector 31, wherein the osteotomy protector 60 is in close proximity to the posterior surface of the femur, thereby securing the femur in tandem with the bone plate 82. Finally, the osteotomy guide plate 32 is connected and fixed with the osteotomy connector 31 by the second fastener 50, the osteotomy length is determined on the scale bar 20 through the osteotomy length observation window on the osteotomy connector 31, and the osteotomy is performed in the osteotomy groove on the osteotomy guide plate 32 by using a pendulum saw.
It can be appreciated that in the prior art, the distal femur osteotomies are measured using a steel ruler, and because of the different medial and lateral condyle heights, and the individual differences in the distal femoral varus and valgus angle, the measurement is not accurate enough. By means of the femoral condyle fixing plate 10, the starting point of the distal osteotomy plane can be determined, and the starting point is not affected by the structural variation and pathological changes of the distal femur, so that the measurement accuracy can be better ensured.
In the prior art, after measurement, the distal femur osteotomies were visually inspected manually using a pendulum saw without angle limiting means, resulting in the possibility that the osteotomy plane may not be perpendicular to the long axis of the femur, requiring multiple osteotomies to fit the prosthesis. By designing the osteotomy guide plate 32 perpendicular to the long axis of the femur, the angle and the length of the osteotomy are limited, the osteotomy face is smoother and is beneficial to the installation of the prosthesis, multiple osteotomies are avoided, one-time accurate osteotomy is realized, and the operation time is reduced.
While the utility model has been described with respect to the above embodiments, it should be noted that modifications can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the utility model.
Claims (10)
1. The auxiliary device for the femur osteotomy is characterized by comprising a femur condyle fixing plate, a scale rod and an osteotomy guide plate mechanism;
one end of the scale rod is arranged on the femur condyle fixed plate, and scales are arranged on the scale rod along the extending direction of the scale rod;
the bone cutting guide plate mechanism is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of a first fastening piece.
2. The femoral resection assistance device of claim 1, wherein one end of the staff gauge is rotatably mounted to the femoral condyle fixation plate.
3. The femoral resection assistance apparatus of claim 1, wherein the resection guide mechanism comprises a resection connector, a resection guide;
the osteotomy connector is slidably mounted on the scale bar and can be fixed on the scale bar under the fastening of the first fastening piece;
the setting direction of the bone cutting guide plate is mutually perpendicular to the setting direction of the scale rod, the bone cutting guide plate can be installed on the bone cutting connector in a lifting mode, and the bone cutting guide plate can be fixed on the bone cutting connector under the fastening of the second fastening piece.
4. The femoral resection assistance device of claim 3, further comprising a resection protector;
the osteotomy protector is installed on the osteotomy connector in a lifting manner and can be fixed on the osteotomy connector under the fastening of a third fastening piece.
5. The femoral resection assistance device of claim 4, wherein the resection guide includes a first connection post and a resection guide body;
the first connecting column is installed in the osteotomy connector;
the bone cutting guide plate body is connected to one end of the first connecting column;
the second fastener is used for fixing the first connecting column on the osteotomy connector;
the osteotomy protector comprises a second connecting column and an osteotomy protector body;
the second connecting column is installed in the osteotomy connector;
the osteotomy protector body is connected to one end of the second connecting column and forms an accommodating space for accommodating femur together with the osteotomy guide plate body;
the third fastener is used to secure the second connecting post to the osteotomy connector.
6. The femoral resection assistance device of claim 5, wherein the first, second, and third fasteners are all fastening bolts.
7. The femoral resection assistance device of any one of claims 1 to 6, further comprising a bone compression mechanism;
the bone pressing mechanism is slidably mounted on the scale rod, is positioned between the femoral condyle fixing plate and the bone cutting guide plate mechanism, and can be fixed on the scale rod under the fastening of a fourth fastening piece.
8. The femoral resection assistance device of claim 7, wherein the bone compression mechanism comprises a bone compression plate connector and a bone compression plate;
the bone pressing connector is slidably mounted on the scale rod and can be fixed on the scale rod under the fastening of the fourth fastening piece;
the setting direction of the bone pressing plate is mutually perpendicular to the setting direction of the scale rod, the bone pressing plate can be installed on the bone pressing connector in a lifting mode, and the bone pressing plate can be fixed on the bone pressing connector under the fastening of a fifth fastening piece.
9. The femoral resection assistance device of claim 8, wherein the bone compression plate comprises a third connection post and a bone compression plate body;
the third connecting column is arranged in the bone pressing connector;
the bone pressing plate body is connected to one end of the third connecting column;
the fifth fastener is used for fixing the third connecting column on the bone pressing connector.
10. The femoral resection assistance device of claim 9, wherein the fourth fastener and the fifth fastener are each a fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815546.3U CN220676062U (en) | 2023-07-11 | 2023-07-11 | Femur osteotomy auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815546.3U CN220676062U (en) | 2023-07-11 | 2023-07-11 | Femur osteotomy auxiliary device |
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| Publication Number | Publication Date |
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| CN220676062U true CN220676062U (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321815546.3U Active CN220676062U (en) | 2023-07-11 | 2023-07-11 | Femur osteotomy auxiliary device |
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| CN (1) | CN220676062U (en) |
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