CN214073464U

CN214073464U - Osteotomy guider

Info

Publication number: CN214073464U
Application number: CN202022505630.8U
Authority: CN
Inventors: 花世源
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-08-31
Anticipated expiration: 2030-11-03

Abstract

The disclosed embodiment relates to an osteotomy guide, comprising: deflector, bone sled and dipperstick. The guide plate comprises a guide part and a first clamping part which are integrally formed, a first fixing part is arranged on the guide part, and a plurality of guide holes are formed in the first clamping part; the bone pry comprises a handheld part, a supporting part and a second clamping part which are integrally formed, wherein the supporting part is provided with a second fixing part, and the second clamping part is provided with a plurality of through holes; the measuring scale is arranged on the guide plate; the first fixing part and the second fixing part are detachably fixed. In this embodiment, the tibia is clamped by the first clamping portion and the second clamping portion, the guide hole is used for weakening the drill hole, and the through hole is used for perspective. The use of the osteotomy guide in the embodiment greatly improves the safety and accuracy of the osteotomy. The universality is strong, the operation cost is reduced, and the sterilization can be repeatedly used.

Description

Osteotomy guider

Technical Field

The embodiment of the disclosure relates to the technical field of medical instruments, in particular to an osteotomy guider.

Background

Osteotomies are a common type of orthopedic surgery, especially for patients with skeletal deformities, and the difference in skeletal deformities or biological states has a great influence on our daily lives, so that many patients choose to correct the deformities through surgery. According to the technical requirements of the operation, an auxiliary tool of each step is researched, the ancient cloud' needs to help the ancient cloud with the instrument firstly, and the osteotomy guide is an auxiliary surgical instrument for assisting the steps of osteotomy guide positioning and drilling weakening in the process of high tibial osteotomy.

In the existing high tibial osteotomy, no relevant standard tool is used for the osteotomy and the weakening step, the osteotomy is generally determined by simple measurement or Kirschner wire positioning depending on the skill level of a doctor, or the existing partial non-standard module is used for guiding, and the weakening is realized by drilling through the operation intuition or visual inspection of the doctor. Therefore, the precision and the safety in the operation process are greatly influenced, and simultaneously, the psychological examination and the operation difficulty of doctors are greatly increased, so that a group of standardized surgical instruments are urgently needed in the high-position tibial osteotomy process to ensure the accuracy and the safety of the operation process, improve the efficiency, simplify the operation steps and the like.

Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.

It is noted that this section is intended to provide a background or context to the disclosure as recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.

SUMMERY OF THE UTILITY MODEL

It is an object of embodiments of the present disclosure to provide an osteotomy guide that overcomes, at least to some extent, one or more of the problems due to limitations and disadvantages of the related art.

The disclosed embodiment provides a osteotomy guide, including:

a guide plate: the guide plate comprises a guide part and a first clamping part which are integrally formed, a first fixing part is arranged on the guide part, and a plurality of guide holes are formed in the first clamping part;

bone prying: the bone pry comprises a handheld part, a supporting part and a second clamping part which are integrally formed, wherein the supporting part is provided with a second fixing part, and the second clamping part is provided with a plurality of through holes; and

measuring a scale: the measuring scale is arranged on the guide plate;

wherein, the deflector with fixed connection can be dismantled through first fixed part and second fixed part to the bone sled.

In an embodiment of the present disclosure, the first clamping portion and the second clamping portion are both arc-shaped to fit the shape of the bone.

In an embodiment of the present disclosure, the first fixing portion is a threaded hole, and the second fixing portion is a strip-shaped through hole; or the first fixing part is a strip-shaped through hole, and the second fixing part is a threaded hole; or the first fixing part and the second fixing part are both strip-shaped through holes or threaded holes.

In an embodiment of the present disclosure, the measuring ruler is connected to the guide plate by a bolt.

In an embodiment of the present disclosure, an angle between the guide hole and the horizontal direction is 10 to 70 °.

In an embodiment of the present disclosure, the guide hole is a semicircular hole or a circular hole; if the guide holes are round holes, a communicating groove is arranged between every two adjacent round holes.

In an embodiment of the disclosure, the guide plate is provided with a positioning hole, the measuring scale is provided with a protrusion, and the protrusion is connected with the positioning hole in a clamping manner and then connected with the guide plate in a perpendicular manner.

In an embodiment of the present disclosure, the threaded hole and the bar-shaped through hole are fixed by a bolt.

In an embodiment of the disclosure, a threaded hole is formed in the guide plate, a connecting hole is formed in the measuring scale, partial threads are arranged in the connecting hole, and the measuring scale and the guide plate penetrate through screws to be fixedly connected with the connecting hole and the threaded hole.

In an embodiment of the present disclosure, a scribing groove is disposed on a side surface of the first clamping portion.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the osteotomy guider in the embodiment of the disclosure, clamp the operation to shin bone (also not being limited to shin bone) through first clamping part and second clamping part, utilize the dipperstick to measure cutting the bone, the guiding hole is used for weakening drilling, and the through-hole is used for the perspective, carries out quick accurate positioning to cutting the bone in cutting the bone operation, simple structure, and convenient to use makes the operation unify the standard more, provides more reliable location data for cutting the bone operation. Avoids the damage and influence to other parts in the operation process, and greatly improves the safety and the accuracy of the osteotomy operation by using the osteotomy guide in the embodiment. The universality is strong, the operation cost is reduced, and the sterilization can be repeatedly used.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

Figure 1 illustrates a perspective view of an osteotomy guide in an exemplary embodiment of the present disclosure;

FIG. 2 shows a front view of FIG. 1;

FIG. 3 shows a top view of FIG. 1;

FIG. 4 illustrates one embodiment of a guide plate;

FIG. 5 shows another embodiment of a guide plate;

fig. 6 shows a structural schematic view of a front view angle of the bone pry;

fig. 7 shows a perspective view of a bone sled;

FIG. 8 is a schematic view showing a connection relationship between the first fixing portion and the second fixing portion;

FIG. 9 shows a schematic view of one construction of the nut;

figure 10 shows a reference view for use of the osteotomy guide in an exemplary embodiment of the present disclosure.

Reference numerals:

100. the bone plate comprises a guide plate, 101, a guide part, 1011, a first fixing part, 102, a first clamping part, 1021, a guide hole, 103, a positioning hole, 200, a bone pry, 201, a handheld part, 202, a supporting part, 2021, a second fixing part, 203, a second clamping part, 2031, a through hole, 300, a measuring scale, 301, a connecting hole, 400, a bolt, 401, a screw, 402, a nut, 4021, a nut body, 4022, a connecting cylinder, 4023, an annular protrusion, 4024 and an annular recess.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of embodiments of the disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

The disclosed embodiments of the present example embodiment provide an osteotomy guide, as shown in fig. 1-6, may include: guide plate 100, bone sled 200 and measuring scale 300. The guide plate 100 includes a guide portion 101 and a first clamping portion 102, which are integrally formed, a first fixing portion 1011 is disposed on the guide portion 101, and a plurality of guide holes 1021 is disposed on the first clamping portion 102. Bone sled 200 includes integrated into one piece's handheld portion 201, supporting part 202 and second clamping part 203, be equipped with second fixed part 2021 on the supporting part 202, be equipped with a plurality of through-holes 2031 on the second clamping part 203. The measuring scale 300 is provided on the guide plate 100. The first fixing portion 1011 and the second fixing portion 2021 are detachably and fixedly connected.

The working principle and the using method are as follows: after the wound incision of the patient is completed in the operation, the osteotomy guide of the present embodiment is used. Initially, the first fixing portion 1011 and the second fixing portion 2021 are not connected, and the measuring tape 300 and the guide plate 100 may be connected first (a bolt may be used, but the present invention is not limited thereto), and the measuring tape 300 may be perpendicular to the guide plate 100, and the measuring tape 300 may be used for measurement. The guide plate 100 and the bone pry 200 are detachably and fixedly connected or can be in sliding connection, then the second clamping part 203 of the bone pry 200 slides into the lower edge of the inner side of the tibia to hook the outer edge of the rear side of the tibial plateau, then the relative position of the guide plate 100 is adjusted, the tibia is clamped by the first clamping part 102 and the second clamping part 203 after the accurate position of the osteotomy is reached, and the directions of the guide plate 100 and the bone pry 200 are perpendicular to the axis of a human body, so that the measurement and the positioning of the osteotomy are realized. In addition, the guiding hole 1021 is used for drilling weakening, and the through hole 2031 is used for perspective reference of a perspective machine.

In this embodiment, carry out the clamping operation to shin bone (also not being limited to shin bone) through first clamping part and second clamping part, utilize the dipperstick to measure cutting the bone, the guiding hole is used for weakening drilling, and the through-hole is used for the perspective, carries out quick accurate positioning to cutting the bone in cutting the bone operation, simple structure, and convenient to use makes the operation unify the standard more, provides more reliable location data for cutting the bone operation. Avoids the damage and influence to other parts in the operation process, and greatly improves the safety and the accuracy of the osteotomy operation by using the osteotomy guide in the embodiment. The universality is strong, the operation cost is reduced, and the sterilization can be repeatedly used.

Alternatively, in some embodiments, as shown in fig. 1-2, the first clamping portion 102 and the second clamping portion 203 are both arc-shaped to conform to the shape of a bone, and the first clamping portion 102 and the second clamping portion 203 are used for clamping a portion, such as a tibia, which needs to be subjected to an osteotomy, so that the shape of the portion needs to be matched with the shape of the clamped portion.

Alternatively, in some embodiments, as shown in fig. 4 to 7, the first fixing portion 1011 may be a threaded hole, and the second fixing portion 2021 may be a strip-shaped through hole; or the first fixing part 1011 is a strip-shaped through hole, and the second fixing part 2021 is a threaded hole; alternatively, the first fixing portion 1011 and the second fixing portion 2021 are both strip-shaped through holes or threaded holes, but the invention is not limited thereto. Of course, the first fixing portion 1011 and the second fixing portion 2021 may be slidably connected, for example, the first fixing portion 1011 may be a slider, the second fixing portion 2021 may be a sliding groove, and the connection is achieved by using the slider and the sliding groove in cooperation, but the invention is not limited thereto. Thus, relative movement between guide plate 100 and sled 200 may be provided, and a fixed connection between guide plate 100 and sled 200 may be provided to some extent, such as by removal of bolts or sliding with an interference fit.

Alternatively, in some embodiments, the measuring ruler 300 may be connected to the guide plate 100 by bolts, but is not limited thereto. The bolt connection structure is simple, convenient and fast.

Optionally, in some embodiments, the angle between the guiding hole 1021 and the horizontal direction may be 10-70 °, but is not limited thereto. The guide hole 1021 and the included angle of the horizontal direction provide basis for the weakening of the drilling hole, and the guide hole can be selected according to actual needs.

Alternatively, in some embodiments, as shown in fig. 4, the guiding hole 1021 may be in the shape of a semicircular hole; as shown in fig. 5, the guide hole 1021 may be a circular hole, and a communication groove is formed between every two adjacent circular holes. When the drill hole is weakened, the cutter on the swing saw needs to drill the hole by using the guide hole 1021.

Optionally, in some embodiments, a positioning hole 103 is formed in the guide plate 100, and a protrusion is formed on the measuring scale 300, and after the protrusion is clamped with the positioning hole 103 and clamped, the measuring scale 300 is perpendicular to the guide plate 100. The positioning holes 103 and the protrusions are provided to allow the measuring tape 300 to be quickly coupled to the guide plate 100 at a perpendicular angle.

Alternatively, in some embodiments, as shown in fig. 8, the first fixing portion 1011 may be one or more threaded holes, the second fixing portion 2021 may be a plurality of strip-shaped through holes, and a bolt 400 is disposed between the threaded holes and the strip-shaped through holes, where the bolt 400 includes a screw 401 and a nut 402. As shown in fig. 9, the nut 402 includes a nut body 4021, a connector 4022 is arranged on the nut body 4021, internal threads are arranged in the connector 4022, an annular protrusion 4023 is arranged outside the connector 4022, an annular recess 4024 is formed between the annular protrusion 4023 and the nut body 4021, the outer diameter of the annular protrusion 4023 is larger than the width of the strip-shaped through hole, parts of the guide plates 100 on both sides of the strip-shaped through hole are located in the annular recess 4024, and the guide plates 100 and the nut 402 can move relative to each other.

Bone sled 200 is located the recess on the hand nut of screwing, and the position that the hand screwed the nut can remove in the bar through-hole, and the hand is screwed nut and bolt cooperation and is used for making deflector 100 reach and cut bone position when with bone sled 200 fixed connection.

Optionally, in some embodiments, a threaded hole is formed in the guide plate, a connection hole is formed in the measuring scale 300, a part of threads are arranged in the connection hole, and the measuring scale 300 and the guide plate 100 are connected by passing a screw through the connection hole and the threaded hole in the guide plate, so that the measuring scale 300 is prevented from falling off.

Optionally, in some embodiments, a side surface of the first clamping portion 102 is provided with a marking groove for marking a position of a osteotomy line in an osteotomy.

It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship illustrated in the drawings, merely for the convenience of describing the disclosed embodiments and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be considered limiting of the disclosed embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present disclosure, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the embodiments of the present disclosure, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. An osteotomy guide, comprising:

measuring a scale: the measuring scale is arranged on the guide plate;

2. The osteotomy guide of claim 1, wherein each of said first and second clamp portions is arcuate to conform to a shape of a bone.

3. The osteotomy guide of claim 1, wherein said first fixation portion is a threaded bore and said second fixation portion is a bar-shaped through-bore; or the first fixing part is a strip-shaped through hole, and the second fixing part is a threaded hole; or the first fixing part and the second fixing part are both strip-shaped through holes or threaded holes.

4. The osteotomy guide of claim 1, wherein said measuring ruler is coupled to said guide plate by a bolt.

5. The osteotomy guide of claim 1, wherein said guide hole is angled from 10-70 ° from horizontal.

6. The osteotomy guide of claim 1, wherein said guide hole is shaped as a semi-circular or circular hole; if the guide holes are round holes, a communicating groove is arranged between every two adjacent round holes.

7. The osteotomy guide of claim 1, wherein the guide plate is provided with a positioning hole, the measuring ruler is provided with a protrusion, the protrusion is clamped with the positioning hole, and the measuring ruler is arranged perpendicular to the guide plate after clamping.

8. The osteotomy guide of claim 3, wherein said threaded bore and said elongated through bore are secured by a bolt.

9. The osteotomy guide of claim 4, wherein said guide plate defines a threaded aperture, said measuring ruler defines a coupling aperture, said coupling aperture defines a portion of said thread, and said measuring ruler and said guide plate are fixedly coupled to each other by a screw passing through said coupling aperture and said threaded aperture.

10. The osteotomy guide of any one of claims 1-9, wherein a side of said first clamp portion is provided with a score groove.