CN218010081U - Total knee joint replacement tibial plateau prosthesis test device - Google Patents
Total knee joint replacement tibial plateau prosthesis test device Download PDFInfo
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- CN218010081U CN218010081U CN202220237281.2U CN202220237281U CN218010081U CN 218010081 U CN218010081 U CN 218010081U CN 202220237281 U CN202220237281 U CN 202220237281U CN 218010081 U CN218010081 U CN 218010081U
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- gasket
- base plate
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a total knee joint replacement tibial plateau prosthesis test device, which comprises a tibial plateau substrate, a tibial gasket test mould and an adjusting component; the tibial gasket test mould is connected with the tibial platform base plate through the adjusting component; the adjusting component comprises a gasket test die cushion block, a guide component, an adjusting slide seat, an adjusting slide bar, an adjusting shaft roller and a locking component, the gasket test die cushion block is connected with the tibial platform base plate in a sliding mode and is connected with the tibial gasket test die in a sliding mode, the guide component is connected with the tibial platform base plate respectively, the gasket test die cushion block and the tibial gasket test die, the adjusting slide seat is fixedly connected with the tibial platform base plate, the adjusting slide bar is fixedly connected with the tibial gasket test die and is connected with the adjusting slide seat in a sliding mode, the adjusting shaft roller is meshed with the adjusting slide bar, the distance between the tibial gasket test die and the tibial platform base plate is adjusted, and therefore the tibial platform prosthesis test die device can be adjusted more quickly during operation, and operation time is saved.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a total knee joint replacement tibial plateau false body examination mould device.
Background
At present, in total knee joint replacement, a doctor needs to use a tibia test model and a condyle test model to measure whether a flexion-extension gap after knee joint osteotomy is proper or not so as to evaluate whether the osteotomy amount and the osteotomy direction are accurate or not, determine the specification and the size of a tibia prosthesis, evaluate whether a lower limb force line is accurate or not, whether soft tissues are balanced or not, and guarantee whether the stability and the mobility are guaranteed or not;
current shin bone examination mould is mostly the adaptation of single specification, needs to carry out the shin bone examination mould of selecting the adaptation after the precision measurement in operation process, then installs and adjusts again, so can cause the operation time to add to the operation risk has been increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a total knee joint replacement tibial plateau false body examination mould device, the shin bone examination mould that aims at solving among the prior art is mostly the adaptation of single specification, needs to carry out the shin bone examination mould of selecting the adaptation after the precision measurement at the operation in-process, then installs and adjusts again, so can cause the operation time to add to the technical problem of operation risk has been increased.
In order to realize the aim, the utility model discloses a total knee joint replacement tibial plateau prosthesis test device, which comprises a tibial plateau substrate, a tibial gasket test mould and an adjusting component; the tibial gasket trial is connected with the tibial plateau base plate through the adjusting component; the adjusting component comprises a gasket test die cushion block, a guide component, an adjusting slide seat, an adjusting slide bar, an adjusting shaft roller and a locking component, wherein the gasket test die cushion block is connected with a tibial platform base plate in a sliding manner, is connected with the tibial pad test die in a sliding manner, and is positioned between the tibial platform base plate and the tibial pad test die, the guide component is respectively connected with the tibial platform base plate, the gasket test die cushion block and the tibial pad test die, the adjusting slide seat is fixedly connected with the tibial platform base plate and is positioned on one side of the tibial platform base plate, the adjusting slide bar is fixedly connected with the tibial pad test die and is connected with the adjusting slide seat in a sliding manner, the adjusting shaft roller is rotatably connected with the adjusting slide seat and is meshed with the adjusting slide bar, and the locking component is limited by the adjusting shaft roller.
The tibial plateau base plate is provided with a top groove, and the top groove is positioned on one side of the tibial plateau base plate close to the gasket trial mold cushion block and is matched with the gasket trial mold cushion block; the tibia gasket trial mold is provided with a bottom groove, and the bottom groove is located on one side, close to the gasket trial mold cushion block, of the tibia gasket trial mold and is matched with the gasket trial mold cushion block.
The locking component comprises a connecting nut and a locking bolt, the connecting nut is fixedly connected with the adjusting shaft roller, sleeved on the outer side of the adjusting shaft roller and rotatably connected with the adjusting sliding seat; the locking bolt is in threaded connection with the adjusting shaft roller and is abutted to the connecting nut.
The adjusting slide bar is provided with an adjusting groove, and the adjusting groove is positioned on one side of the adjusting slide bar close to the adjusting shaft roller; the adjusting shaft roller is provided with an adjusting protrusion, and the adjusting protrusion is matched with the adjusting groove.
The guide component comprises a guide stand column, the guide stand column is fixedly connected with the tibial gasket trial mold and is positioned on one side, close to the gasket trial mold cushion block, of the tibial gasket trial mold, and the guide stand column penetrates through the gasket trial mold cushion block and the tibial platform base plate respectively.
The utility model discloses a full knee joint replacement tibial plateau false body examination mould device, through inciting somebody to action gasket examination mould cushion is installed the tibial plateau base plate with between the tibial plateau examination mould, rotate the regulating shaft roller, the rotation of regulating shaft roller drives rather than the meshing it carries out vertical slip to adjust the draw runner, and then drives the tibial plateau examination mould with the distance of tibial plateau base plate to can adjust tibial plateau false body examination mould device sooner when the operation, practice thrift operating time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the whole structure of the total knee joint replacement tibial plateau prosthesis test device of the present invention.
Fig. 2 is a schematic structural diagram of the adjusting assembly of the present invention.
Fig. 3 is a schematic structural view of the tibial plateau substrate, the tibial gasket trial mold and the gasket trial mold cushion block of the present invention.
Fig. 4 is a schematic view of the installation structure of the guide post of the present invention.
In the figure: the tibial plate mould comprises a tibial platform base plate 1, a tibial gasket trial mould 2, an adjusting component 3, a top groove 11, a bottom groove 21, a gasket trial mould cushion 31, a guide member 32, an adjusting sliding seat 33, an adjusting sliding strip 34, an adjusting shaft roller 35, a locking member 36, a guide upright post 321, an adjusting groove 341, an adjusting protrusion 351, a connecting nut 361 and a locking bolt 362.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, the present invention provides a total knee replacement tibial plateau prosthesis trial device, which includes a tibial plateau substrate 1, a tibial gasket trial 2 and an adjusting component 3; the tibial gasket trial 2 is connected with the tibial plateau base plate 1 through the adjusting component 3; adjusting part 3 includes gasket examination mould cushion 31, guiding element 32, adjusts slide 33, adjusts the draw runner 34, adjusts the beam barrel 35 and locking element 36, gasket examination mould cushion 31 with tibial plateau base plate 1 sliding connection, and with tibial plateau pad examination mould 2 sliding connection, and be located tibial plateau base plate 1 with between the tibial plateau pad examination mould 2, guiding element 32 connects respectively tibial plateau base plate 1, gasket examination mould cushion 31 and tibial plateau pad examination mould 2, adjust slide 33 with tibial plateau base plate 1 fixed connection, and be located one side of tibial plateau base plate 1, adjust the draw runner 34 with tibial plateau examination mould 2 fixed connection, and with adjust slide 33 sliding connection, adjust the beam barrel 35 with adjust slide 33 and rotate and connect, and with adjust the draw runner 34 meshing, locking element 36 is right the adjustment beam barrel 35 is spacing.
In this embodiment, the external shape of the tibial plateau base plate 1 is consistent with that of a tibial tray prosthesis, the top of the tibial plateau base plate 1 is provided with the top groove 11 for mounting the shim test pad 31, the top groove 11 extends into the tibial plateau base plate 1, the shim test pad 31 is not completely embedded into the bottom of the top groove 11, but an adjusting space is left between the shim test pad 31 and the groove bottom of the top groove 11, so that the shim test pad 31 can adjust the mounting depth in the top groove 11; the tibial gasket trial mold 2 is installed on one side, away from the tibial platform base plate 1, of the gasket trial mold cushion block 31, the adjusting slide bar 34 is fixedly installed on the outer side edge of the tibial gasket trial mold 2, the adjusting slide seat 33 is fixedly installed on the tibial platform base plate 1, the adjusting slide bar 34 is slidably installed on the adjusting slide seat 33, and the adjusting slide bar 34 penetrates through the adjusting slide seat 33 to realize connection with the tibial gasket trial mold 2; adjusting slide 33 is last to rotate and to be installed adjusting shaft roller 35, adjusting shaft roller 35's tip runs through adjusting slide 33, and adjusting shaft roller 35's central point puts the lateral surface with adjust the surface engagement of draw runner 34, locking member 36 sets up adjusting slide 33's side, and right adjusting shaft roller 35's rotation is spacing and is adjusted, so, will gasket trial mould cushion 31 is installed tibial plateau base plate 1 with between the tibial gasket trial mould 2, rotate adjusting shaft roller 35, adjusting shaft roller 35's rotation drive rather than the meshing adjust draw runner 34 and carry out vertical slip, and then drive tibial gasket trial mould 2 with tibial plateau base plate 1's distance to can adjust tibial plateau prosthesis examination mould device more fast when the operation, practiced thrift operating time.
Further, referring to fig. 3, the tibial plateau base plate 1 has a top groove 11, and the top groove 11 is located on one side of the tibial plateau base plate 1 close to the shim trial mold cushion block 31 and is matched with the shim trial mold cushion block 31; the tibia gasket trial mold 2 is provided with a bottom groove 21, and the bottom groove 21 is located on one side, close to the gasket trial mold cushion block 31, of the tibia gasket trial mold 2 and is matched with the gasket trial mold cushion block 31.
In this embodiment, the top of the tibial plateau base plate 1 has the top groove 11 matched with the pad trial mold cushion block 31, the bottom of the tibial plateau base plate 2 has the bottom groove 21 matched with the pad trial mold cushion block 31, and the depths of the top groove 11 and the bottom groove 21 are respectively greater than the height of the pad trial mold cushion block 31, so as to adjust the distance between the tibial plateau base plate 1 and the tibial plateau base plate 2.
Further, referring to fig. 1 and fig. 2, the locking member 36 includes a connecting nut 361 and a locking bolt 362, the connecting nut 361 is fixedly connected with the adjusting spindle 35, sleeved outside the adjusting spindle 35, and rotatably connected with the adjusting slide 33; the lock bolt 362 is screwed to the adjustment roller 35 and abuts against the coupling nut 361.
In this embodiment, the connecting nut 361 is sleeved outside the adjusting spindle 35 and rotates with the adjusting slide 33, so that the adjusting spindle 35 can axially rotate on the adjusting slide 33; the end of the adjusting shaft roller 35 is provided with a threaded hole matched with the locking bolt 362 in a threaded manner, the locking bolt 362 is in threaded connection with the adjusting shaft roller 35 until the locking bolt 362 is abutted and locked with the connecting nut 361, and therefore the connecting nut 361 and the adjusting shaft roller 35 are limited.
Further, referring to fig. 2, the adjusting slide 34 has an adjusting groove 341, and the adjusting groove 341 is located on one side of the adjusting slide 34 close to the adjusting shaft roller 35; the regulating roller 35 has a regulating protrusion 351, and the regulating protrusion 351 is engaged with the regulating groove 341.
In this embodiment, the side surface of the adjusting slide 34 is provided with a plurality of adjusting grooves 341 arranged vertically, the cross section of each adjusting groove 341 is a diamond shape, the outer side surface of the adjusting roller 35 is provided with adjusting protrusions 351 arranged circumferentially, the cross section of each adjusting protrusion 351 is a diamond shape, and the adjusting protrusions 351 are matched with the adjusting grooves 341, so that the adjusting roller 35 rotates to drive the adjusting slide 34 to slide vertically.
Further, referring to fig. 1 and fig. 3, the guide member 32 includes a guide upright column 321, the guide upright column 321 is fixedly connected to the tibial insert trial mold 2 and is located on one side of the tibial insert trial mold 2 close to the insert trial mold cushion block 31, and the guide upright column 321 penetrates through the insert trial mold cushion block 31 and the tibial platform base plate 1 respectively.
In this embodiment, the guide columns 321 are cylinders and four, and the four guide columns 321 are fixedly mounted on the tibial insert trial mold 2, respectively penetrate through the insert trial mold cushion block 31 and the tibial plateau base plate 1, play a role in temporary positioning, and guide the sliding of the insert trial mold cushion block 31 and the tibial plateau base plate 1.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (5)
1. A total knee joint replacement tibial plateau prosthesis test device is characterized by comprising a tibial plateau base plate, a tibial gasket test module and an adjusting component;
the tibial gasket trial mold is connected with the tibial plateau base plate through the adjusting component;
the adjusting component comprises a gasket test die cushion block, a guide component, an adjusting slide seat, an adjusting slide bar, an adjusting shaft roller and a locking component, wherein the gasket test die cushion block is connected with a tibial platform base plate in a sliding manner, is connected with the tibial pad test die in a sliding manner, and is positioned between the tibial platform base plate and the tibial pad test die, the guide component is respectively connected with the tibial platform base plate, the gasket test die cushion block and the tibial pad test die, the adjusting slide seat is fixedly connected with the tibial platform base plate and is positioned on one side of the tibial platform base plate, the adjusting slide bar is fixedly connected with the tibial pad test die and is connected with the adjusting slide seat in a sliding manner, the adjusting shaft roller is rotatably connected with the adjusting slide seat and is meshed with the adjusting slide bar, and the locking component is limited by the adjusting shaft roller.
2. The trial molding apparatus for a total knee replacement tibial plateau prosthesis of claim 1,
the tibial plateau base plate is provided with a top groove, and the top groove is positioned on one side of the tibial plateau base plate close to the gasket trial mold cushion block and is matched with the gasket trial mold cushion block; the tibia gasket trial mold is provided with a bottom groove, and the bottom groove is located on one side, close to the gasket trial mold cushion block, of the tibia gasket trial mold and is matched with the gasket trial mold cushion block.
3. The trial molding apparatus for a total knee replacement tibial plateau prosthesis of claim 1,
the locking component comprises a connecting nut and a locking bolt, the connecting nut is fixedly connected with the adjusting shaft roller, sleeved on the outer side of the adjusting shaft roller and rotatably connected with the adjusting sliding seat; the locking bolt is in threaded connection with the adjusting shaft roller and is abutted against the connecting nut.
4. The trial molding apparatus for a total knee replacement tibial plateau prosthesis of claim 1,
the adjusting slide bar is provided with an adjusting groove, and the adjusting groove is positioned on one side of the adjusting slide bar close to the adjusting shaft roller; the adjusting shaft roller is provided with an adjusting protrusion, and the adjusting protrusion is matched with the adjusting groove.
5. The trial molding apparatus for a total knee replacement tibial plateau prosthesis of claim 1,
the guide component comprises a guide stand column, the guide stand column is fixedly connected with the tibial gasket trial mold and is positioned on one side, close to the gasket trial mold cushion block, of the tibial gasket trial mold, and the guide stand column penetrates through the gasket trial mold cushion block and the tibial platform base plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237281.2U CN218010081U (en) | 2022-01-28 | 2022-01-28 | Total knee joint replacement tibial plateau prosthesis test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220237281.2U CN218010081U (en) | 2022-01-28 | 2022-01-28 | Total knee joint replacement tibial plateau prosthesis test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218010081U true CN218010081U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220237281.2U Active CN218010081U (en) | 2022-01-28 | 2022-01-28 | Total knee joint replacement tibial plateau prosthesis test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218010081U (en) |
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2022
- 2022-01-28 CN CN202220237281.2U patent/CN218010081U/en active Active
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