CN215228124U - Tibia far-end slotting osteotomy guide plate - Google Patents

Abstract

The utility model provides a tibia far-end slotting osteotomy guide plate, relating to the technical field of orthopedic medical instruments. The tibia far-end slotting osteotomy guide plate comprises a plate body, wherein a plurality of guide straight grooves are formed in a first side surface of the plate body, penetrate through from the first side surface to a second side surface of the plate body along the depth direction of the guide straight grooves, and are parallel to each other; a guide through hole is formed between every two adjacent guide straight grooves and is communicated with the first side face and the second side face, and the axis of each guide through hole is parallel to the depth direction of each guide straight groove. The utility model discloses a tibia far-end slotting osteotomy guide plate, wherein a plurality of parallel guide straight grooves are arranged on a plate body, and the guide straight grooves can be cut into the plate body at a proper angle for osteotomy during surgery; and a guide through hole is arranged between two adjacent guide straight grooves, and a guide needle is inserted into the guide through hole to play a role in assisting orientation in the cutting operation, so that the accurate bone cutting of the operation is realized.

Description

Tibia far-end slotting osteotomy guide plate

Technical Field

The utility model relates to an orthopedics medical instrument technical field particularly, relates to a shin bone distal end fluting cuts bone deflector.

Background

The current clinical slotted osteotomy guide plate is generally provided with a straight strip slot on a straight plate body or an arc-shaped plate body. During operation, the osteotomy guide plate body is tightly attached to the surface of the tibia, and then an osteotomy cutter is used for cutting into the bone along the strip groove, so that accurate bone trauma cleaning is realized.

The existing osteotomy guide plate only has one strip groove, and a cutter does not have a calibration mechanism during osteotomy, so that the osteotomy with accurate angle is difficult to complete.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shin bone distal end fluting cuts bone deflector helps solving above-mentioned technical problem.

The utility model discloses a realize like this:

a tibia far-end slotting osteotomy guide plate comprises a plate body, wherein a plurality of straight guide slots are formed in a first side face of the plate body, penetrate through the plate body from the first side face to a second side face of the plate body along the depth direction of the guide slots, and are parallel to each other; and a guide through hole is arranged between every two adjacent guide straight grooves and is communicated with the first side surface and the second side surface, and the axis of the guide through hole is parallel to the depth direction of the guide straight groove.

When the tibia far-end slotting osteotomy guide plate is used, the plate body is firstly clung to the outer wall of the tibia, and the plate body is moved forwards and backwards to enable the plurality of guide straight slots to be aligned with a wound to be osteotomy on the tibia. Since the plurality of guide straight grooves are parallel to each other, a guide straight groove having the most suitable angle can be selected from the plurality of guide straight grooves to perform osteotomy. In order to ensure that the osteotomy tool can be inserted in the correct orientation, a kirschner wire or other rod-like tool that assists in orientation may also be inserted into the guide through-hole. Therefore, the combined structure of the guide straight grooves and the through holes is set among the guide straight grooves, and compared with the traditional single osteotomy groove, the osteotomy accuracy of the tibia can be greatly improved.

Further, the guide straight groove extends to one end surface of the plate body along the length direction of the guide straight groove. The technical effects are as follows: when the straight guide groove extends from the middle of the plate body to the end surface of the straight guide groove, the cutter is facilitated to move in and out of the osteotomy guide plate from the end surface of the plate body.

Furthermore, a plurality of guide through holes are formed between every two adjacent guide straight grooves. The technical effects are as follows: set up a plurality of direction through-holes here, not only can be used to insert the kirschner wire, the guide effect of reinforcing direction straight flute still can be used to play the fixed action, puts into a plurality of kirschner wires, makes the laminating of whole osteotomy deflector fix in the outside of shin bone, helps the osteotomy deflector that is divided by two adjacent direction straight flutes to fix simultaneously.

Further, the axes of the guide through holes between two adjacent guide straight grooves are located in the same plane, and the plane is parallel to the length direction of the guide straight grooves. The technical effects are as follows: the plurality of guide through holes are arranged in rows and columns, the row and column directions of the plurality of guide through holes are parallel to the length direction of the guide straight groove, the manufacture and the convenient positioning are facilitated, and more kirschner wires are inserted in more spaces.

Furthermore, the guide through hole is an open through hole, and the distance between the axis of the guide through hole and the adjacent guide straight groove is smaller than the radius of the guide through hole. The technical effects are as follows: the lateral wall of the guide through hole of the structure is not a complete annular surface, when the guide through hole is inserted into the Kirschner wire and the cutter is inserted into the guide straight groove, the Kirschner wire can be attached to the cutter, and at the moment, the guide accuracy of the Kirschner wire is higher.

Further, the plate body is arc-shaped. The technical effects are as follows: because the human tibia is not flat in shape, the end surface of the tibia is curved in particular. Set the board body to crooked arc, can more laminate shinbone and reach steady fixed effect.

Furthermore, a plurality of positioning through holes are further formed in the plate body, and penetrate from the first side face to the second side face. The technical effects are as follows: the positioning through holes are used for fixing the plate body on the surface of the tibia before osteotomy, and preferably, a plurality of positioning through holes are not suitable to be distributed on a straight line so as to prevent the plate body from tilting.

Furthermore, at least one positioning through hole is positioned on one side of all the guide straight grooves, and at least one positioning through hole is positioned on the other side of all the guide straight grooves. The technical effects are as follows: because the structure that plays the osteotomy direction generally should set up the middle part position at the board body, in order to improve the fixed effect of board body, positioning hole should be comparatively evenly distributed in the both sides of direction straight flute.

Furthermore, a plurality of mounting screw holes are further formed in the plate body, and the mounting screw holes penetrate from the first side face to the second side face. The technical effects are as follows: the mounting screw hole is used for being in threaded connection with a guide cylinder provided with external threads so as to facilitate the arrangement of other tools on the plate body. Or the mounting screw hole is in threaded connection with the adjusting screw.

Further, the device also comprises a guide cylinder and/or an adjusting screw, wherein the guide cylinder and the adjusting screw are in threaded connection with the mounting screw hole. The technical effects are as follows: the set screw is used to vary the fit between the plate body and the tibial surface, while the guide barrel is used to introduce an additional k-wire or other straight rod-like structure.

The utility model has the advantages that:

the utility model discloses a tibia far-end slotting osteotomy guide plate, wherein a plurality of parallel guide straight grooves are arranged on a plate body, and the guide straight grooves can be cut into the plate body at a proper angle for osteotomy during surgery; and a guide through hole is arranged between two adjacent guide straight grooves, and a guide needle is inserted into the guide through hole to play a role in assisting orientation in the cutting operation, so that the accurate bone cutting of the operation is realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a second embodiment of the present invention;

fig. 3 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a third embodiment of the present invention;

fig. 4 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a fourth embodiment of the present invention;

fig. 5 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a fifth embodiment of the present invention;

fig. 6 is a schematic structural view of a tibial distal end slotted osteotomy guide plate on a tibia according to a fifth embodiment of the present invention.

Icon: 100-a plate body; 101-a first side; 102-a second side; 103-end face; 110-a guide straight groove; 120-a guide through hole; 130-positioning through holes; 140-mounting screw holes; 150-a guide cylinder; 160-Kirschner wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The first embodiment:

fig. 1 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a first embodiment of the present invention. Referring to fig. 1, the present embodiment provides a tibia distal end slotting osteotomy guiding plate, which includes a plate body 100, a first side surface 101 of the plate body 100 is provided with a plurality of guiding straight slots 110, the guiding straight slots 110 penetrate from the first side surface 101 to a second side surface 102 of the plate body 100 along a depth direction thereof, and the guiding straight slots 110 are parallel to each other; a guide through hole 120 is arranged between two adjacent guide straight grooves 110, the guide through hole 120 communicates the first side surface 101 and the second side surface 102, and the axis of the guide through hole 120 is parallel to the depth direction of the guide straight groove 110.

Further, as shown in fig. 1, the straight guide groove 110 extends along its longitudinal direction to one end surface 103 of the plate body 100.

The working principle and the operation method of the tibia far-end slotting osteotomy guide plate of the embodiment are as follows:

when the tibia far-end slotted osteotomy guide plate is used, the plate body 100 is firstly clung to the outer wall of the tibia, and the plate body 100 is moved forwards and backwards to enable the plurality of straight guide slots 110 to be aligned with a wound to be cut on the tibia. Since the plurality of straight guide grooves 110 are parallel to each other, the osteotomy can be performed by selecting one of the plurality of straight guide grooves 110 having the most suitable angle. To ensure that the osteotomy tool is inserted in the correct orientation, a kirschner wire 160 or other rod-like tool to aid in orientation may also be inserted into the guide through-hole 120. Therefore, the combined structure of the plurality of straight guide grooves 110 and the through holes set between the straight guide grooves 110 can greatly improve the osteotomy accuracy of the tibia compared with the traditional single osteotomy groove.

Further, when the straight guide groove 110 extends from the middle of the plate body 100 to the end surface 103 thereof, the tool is facilitated to move in and out of the osteotomy guide plate from the end surface 103 of the plate body 100.

Second embodiment:

fig. 2 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a second embodiment of the present invention. Referring to fig. 2, the present embodiment provides a tibial distal slotted osteotomy guiding plate, which is substantially the same as the tibial distal slotted osteotomy guiding plate of the first embodiment, and the difference between the tibial distal slotted osteotomy guiding plate and the tibial distal slotted osteotomy guiding plate is that a plurality of guiding through holes 120 are disposed between two adjacent guiding straight slots 110 in the tibial distal slotted osteotomy guiding plate of the present embodiment.

In this structure, the plurality of guiding through holes 120 are provided not only for inserting the kirschner wires 160 to enhance the guiding function of the guiding straight grooves 110, but also for fixing, and the plurality of kirschner wires 160 are inserted to make the whole osteotomy guiding plate fit and fixed on the outer side of the tibia, and at the same time, to help the osteotomy guiding plate separated by two adjacent guiding straight grooves 110 to be fixed.

Further, as shown in fig. 2, the axes of the plurality of guide through holes 120 between two adjacent guide straight grooves 110 are located in the same plane, and the plane is parallel to the length direction of the guide straight grooves 110. At this time, the plurality of guiding through holes 120 are arranged in rows and columns, and the row and column directions of the plurality of guiding through holes 120 are parallel to the length direction of the guiding straight groove 110, which is beneficial to manufacturing and convenient positioning, and has more spaces for inserting more kirschner wires 160.

The third embodiment:

fig. 3 is a schematic structural view of a tibia distal end slotting osteotomy guiding plate according to a third embodiment of the present invention. Referring to fig. 3, the present embodiment provides a tibial distal slotted osteotomy guiding plate, which is substantially the same as the tibial distal slotted osteotomy guiding plate of the first or second embodiment, and the difference therebetween is that the guiding through hole 120 in the tibial distal slotted osteotomy guiding plate of the present embodiment is an open through hole, and the distance between the axis of the guiding through hole 120 and the adjacent guiding straight slot 110 is smaller than the radius of the guiding through hole 120.

In the above structure, the side wall of the guide through hole 120 is not a complete ring surface, when the guide through hole 120 is inserted into the kirschner wire 160 and the cutter is inserted into the guide straight groove 110, the kirschner wire 160 can be attached to the cutter, and at this time, the guiding accuracy of the kirschner wire 160 is higher.

The fourth embodiment:

fig. 4 is a schematic structural view of a tibia distal end slotting osteotomy guide plate according to a fourth embodiment of the present invention. Referring to fig. 4, the present embodiment provides a tibial distal slotted osteotomy guiding plate, which is substantially the same as the tibial distal slotted osteotomy guiding plate of the first, second or third embodiments, and the difference between the tibial distal slotted osteotomy guiding plate of the present embodiment and the tibial distal slotted osteotomy guiding plate is that a plurality of positioning through holes 130 are further disposed on the plate body 100, and the positioning through holes 130 penetrate from the first side surface 101 to the second side surface 102.

Wherein, the positioning through holes 130 are used for fixing the plate body 100 on the surface of the tibia before osteotomy, preferably, a plurality of positioning through holes 130 are not distributed on a straight line so as to prevent the plate body 100 from tilting.

Further, as shown in fig. 4, at least one positioning through hole 130 is located at one side of all the guiding straight grooves 110, and at least one positioning through hole 130 is located at the other side of all the guiding straight grooves 110. At this time, since the osteotomy guide structure should be generally disposed at the middle position of the plate body 100, in order to improve the fixing effect of the plate body 100, the positioning through holes 130 should be evenly distributed on both sides of the straight guide groove 110.

Fifth embodiment:

fig. 5 is a schematic structural view of the tibia distal end slotting osteotomy guiding plate provided by the fifth embodiment of the present invention, and fig. 6 is a schematic structural view of the tibia distal end slotting osteotomy guiding plate provided by the fifth embodiment of the present invention on the tibia. Referring to fig. 5 and 6, the present embodiment provides a tibial distal slotted osteotomy guiding plate, which is substantially the same as the tibial distal slotted osteotomy guiding plate of the first, second, third or fourth embodiments, and the difference between the tibial distal slotted osteotomy guiding plate and the tibial distal slotted osteotomy guiding plate is that a plurality of mounting screw holes 140 are further disposed on the plate body 100 of the tibial distal slotted osteotomy guiding plate of the present embodiment, and the mounting screw holes 140 penetrate from the first side surface 101 to the second side surface 102.

At this time, the installation screw hole 140 functions to screw with the guide cylinder 150 provided with the external thread so as to provide other tools on the plate body 100.

Further, as shown in fig. 5 and 6, the mounting structure further includes a guide cylinder 150 and an adjusting screw (not labeled) or only one of them, and the guide cylinder 150 and the adjusting screw are screwed with the mounting screw hole 140. Set screws are used to vary the fit between the plate body 100 and the tibial surface, while guide cylinders 150 are used to introduce additional k-wires 160 or other straight rod-like structures.

On the basis of any of the above embodiments, as shown in fig. 5 and 6, the plate body 100 is arc-shaped. The plate body 100 with the structure has better installation stability, and the shape of the human tibia is not plane, particularly the end surface of the tibia is arc-shaped. Set the plate body 100 into a curved arc shape, can more closely fit the tibia to achieve the effect of stable fixation.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The tibia far-end slotting osteotomy guide plate is characterized by comprising a plate body (100), wherein a first side surface (101) of the plate body (100) is provided with a plurality of straight guide grooves (110), the straight guide grooves (110) penetrate from the first side surface (101) to a second side surface (102) of the plate body (100) along the depth direction of the straight guide grooves (110), and the straight guide grooves (110) are parallel to each other; a guide through hole (120) is arranged between every two adjacent guide straight grooves (110), the guide through hole (120) is communicated with the first side surface (101) and the second side surface (102), and the axis of the guide through hole (120) is parallel to the depth direction of the guide straight groove (110).

2. The tibial distal slotted osteotomy guide plate of claim 1, wherein said straight guide slot (110) extends lengthwise to an end surface (103) of said plate body (100).

3. The tibial distal slotted osteotomy guide plate of claim 1, wherein a plurality of said guide through holes (120) are disposed between adjacent ones of said guide straight slots (110).

4. The tibial distal slotted osteotomy guide plate of claim 3, wherein axes of a plurality of said guide through holes (120) between adjacent two of said guide straight slots (110) lie in a same plane, said plane being parallel to a length direction of said guide straight slots (110).

5. The tibial distal slotted osteotomy guide plate of claim 1, wherein said guide through hole (120) is an open through hole, and a distance between an axis of said guide through hole (120) and an adjacent said guide straight slot (110) is less than a radius of said guide through hole (120).

6. The tibial distal slotted osteotomy guide plate of claim 1, wherein said plate body (100) is arcuate.

7. The tibial distal slotted osteotomy guide plate of claim 1, wherein said plate body (100) further defines a plurality of locating through holes (130), said locating through holes (130) extending from said first side (101) to said second side (102).

8. The tibial distal slotted osteotomy guide plate of claim 7, wherein at least one said positioning through hole (130) is located on one side of all said guide slots (110), and at least one said positioning through hole (130) is located on the other side of all said guide slots (110).

9. The tibial distal slotted osteotomy guide plate of claim 1, wherein said plate body (100) further defines a plurality of mounting screw holes (140), said mounting screw holes (140) extending through said first side (101) to said second side (102).

10. The tibial distal slotted osteotomy guide plate of claim 9, further comprising a guide cylinder (150) and/or an adjustment screw, said guide cylinder (150) and said adjustment screw being threadably engaged with said mounting screw hole (140).

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