阅读说明：本技术 一种截骨导向装置 (Cut bone guider ) 是由 陈永兵 陆军 曹刚 陆伟 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种截骨导向装置,其特点是包括第一安装座、导向块和第二安装座；第一导向块包括上底面和下底面,上底面和下底面相对设置,导向块设置贯穿上底面和下底面的第一导向槽、观察孔、第二导向槽；第一导向槽包括第一边缘和第二边缘,第一边缘和第二边缘呈夹角连接,第一导向槽在远离第一边缘和第二边缘连接处的一侧设置分隔块,将第一导向槽按照第一边缘的角度和第二边缘的角度分隔成两个截骨角度；观察孔为长腰型孔；第二导向槽为长腰型孔和圆柱形孔的结合体。本发明的优点是结构简单,制造方便,设置一个截骨导向装置设置多个截骨导向角度,截骨导向装置根据需要设置对多种角度规格的第一导向槽,可以简单快速校准截骨面位置和角度。(The invention discloses an osteotomy guiding device which is characterized by comprising a first mounting seat, a guiding block and a second mounting seat; the first guide block comprises an upper bottom surface and a lower bottom surface, the upper bottom surface and the lower bottom surface are oppositely arranged, and the guide block is provided with a first guide groove, an observation hole and a second guide groove which penetrate through the upper bottom surface and the lower bottom surface; the first guide groove comprises a first edge and a second edge, the first edge and the second edge are connected in an included angle, and a separation block is arranged on one side of the first guide groove, which is far away from the connection position of the first edge and the second edge, so that the first guide groove is separated into two osteotomy angles according to the angle of the first edge and the angle of the second edge; the observation hole is a long waist-shaped hole; the second guide groove is a combination of a long waist-shaped hole and a cylindrical hole. The bone cutting guide device has the advantages that the structure is simple, the manufacturing is convenient, one bone cutting guide device is arranged to set a plurality of bone cutting guide angles, the bone cutting guide device is provided with the first guide grooves with various angle specifications according to the requirements, and the position and the angle of a bone cutting surface can be calibrated simply and quickly.)

1. An osteotomy guide, comprising: the guide block comprises a first mounting seat, a guide block and a second mounting seat, wherein the first mounting seat and the second mounting seat are respectively arranged on two sides of the guide block; the first guide block comprises an upper bottom surface and a lower bottom surface, the upper bottom surface and the lower bottom surface are arranged oppositely, and the guide block is provided with a first guide groove, an observation hole and a second guide groove which penetrate through the upper bottom surface and the lower bottom surface; the first guide groove comprises a first edge and a second edge, the first edge and the second edge are connected in an included angle, the first guide groove is in a tapered shape from wide to narrow, a separation block is arranged on one side of the first guide groove far away from the connection position of the first edge and the second edge, and the first guide groove is separated into two osteotomy angles according to the angle of the first edge and the angle of the second edge; the observation hole is a long waist-shaped hole and is arranged between the first guide groove and the second guide groove; the second guide groove is a combination of a long-waist-shaped hole and a cylindrical hole.

2. The osteotomy guide of claim 1, wherein: the two sides of the guide block, which are not connected with the first mounting seat and the second mounting seat, are acute-angle bumps, each acute-angle bump comprises a first connecting surface and a second connecting surface, the first connecting surfaces are connected with the upper bottom surface, the second connecting surfaces are connected with the lower bottom surface, and two ends of the first guide grooves are arranged on the first connecting surfaces.

3. The osteotomy guide of claim 1, wherein: the upper bottom surface is a rectangle with round corners, and the lower bottom surface is an arc surface matched with the radian of anatomy of bones to be treated.

4. The osteotomy guide of claim 1, wherein: the first mounting seat is provided with a first positioning hole and a second positioning hole, and the axes of the first positioning hole and the second positioning hole are intersected; a third positioning hole and a fourth positioning hole are formed in the second mounting seat, and the axes of the third positioning hole and the fourth positioning hole are intersected; the three-dimensional connection with the osteotomy skeleton increases the firmness and avoids the occurrence of looseness in the osteotomy process.

5. The osteotomy guide of claim 4, wherein: the connecting line of the first positioning hole and the second positioning hole is splayed with the connecting line of the third positioning hole and the fourth positioning hole.

6. An osteotomy guide as defined in claim 4 or 5, wherein: the first mounting seat comprises a first plane and a first inclined plane, the first plane is parallel to the upper bottom surface, and the first inclined plane and the first plane are arranged at a specific included angle; the first positioning hole is arranged on the first plane; the second positioning hole is arranged on the first inclined surface.

7. An osteotomy guide as defined in claim 4 or 5, wherein: the second mounting seat comprises a second plane and a second inclined plane, the second plane is parallel to the upper bottom surface, and the second inclined plane and the second plane are arranged at a specific included angle; the third positioning hole is arranged on the second plane, and the fourth positioning hole is arranged on the second inclined plane.

Technical Field

The invention belongs to the technical field of orthopedic medical instruments, and particularly relates to an osteotomy guiding device.

Background

In bone surgery, an osteotomy of a diseased bone is required, the shape of which matches the shape of the prosthesis to be implanted, and in order to improve the accuracy of the shape of the osteotomy, the osteotomy procedure is usually performed with the aid of an osteotomy guide. The osteotomy guide disclosed in the prior art cannot meet the use requirement of multi-angle osteotomy.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the osteotomy guiding device which is simple in structure, convenient to manufacture, capable of setting a plurality of osteotomy guiding angles and capable of simply and quickly calibrating the position and the angle of an osteotomy surface.

In order to achieve the purpose and achieve the technical effect, the invention adopts the following technical scheme:

the osteotomy guiding device is characterized by comprising a first mounting seat, a guiding block and a second mounting seat, wherein the first mounting seat and the second mounting seat are respectively arranged on two sides of the guiding block; the first guide block comprises an upper bottom surface and a lower bottom surface, the upper bottom surface and the lower bottom surface are arranged oppositely, and the guide block is provided with a first guide groove, an observation hole and a second guide groove which penetrate through the upper bottom surface and the lower bottom surface; the first guide groove comprises a first edge and a second edge, the first edge and the second edge are connected in an included angle, the first guide groove is in a tapered shape from wide to narrow, a separation block is arranged on one side of the first guide groove far away from the connection position of the first edge and the second edge, and the first guide groove is separated into two osteotomy angles according to the angle of the first edge and the angle of the second edge; the observation hole is a long waist-shaped hole and is arranged between the first guide groove and the second guide groove; the second guide groove is a combination of a long-waist-shaped hole and a cylindrical hole.

In a specific embodiment of the present invention, two sides of the guide block, which are not connected to the first mounting seat and the second mounting seat, are acute-angled protrusions, each of the acute-angled protrusions includes a first connecting surface and a second connecting surface, the first connecting surface is connected to the upper bottom surface, the second connecting surface is connected to the lower bottom surface, and two ends of the first guide groove are disposed on the first connecting surface.

In a specific embodiment of the invention, the upper bottom surface is a rectangle with rounded corners, and the lower bottom surface is an arc surface matched with the anatomical radian of the bone to be treated.

In a specific embodiment of the invention, a first positioning hole and a second positioning hole are arranged on the first mounting seat, and the axes of the first positioning hole and the second positioning hole intersect; a third positioning hole and a fourth positioning hole are formed in the second mounting seat, and the axes of the third positioning hole and the fourth positioning hole are intersected; the three-dimensional connection with the osteotomy skeleton increases the firmness and avoids the occurrence of looseness in the osteotomy process.

In a specific embodiment of the present invention, a connection line between the first positioning hole and the second positioning hole and a connection line between the third positioning hole and the fourth positioning hole are in a shape of a Chinese character 'ba'.

In a specific embodiment of the present invention, the first mounting seat includes a first plane and a first inclined plane, the first plane is parallel to the upper bottom surface, and the first inclined plane and the first plane are disposed at a specific included angle; the first positioning hole is arranged on the first plane; the second positioning hole is arranged on the first inclined surface.

In a specific embodiment of the present invention, the second mounting seat includes a second plane and a second inclined plane, the second plane is parallel to the upper bottom surface, and the second inclined plane and the second plane are disposed at a specific included angle; the third positioning hole is arranged on the second plane, and the fourth positioning hole is arranged on the second inclined plane.

When the bone cutting guide device is used, the observation hole of the bone cutting guide device is aligned to the mark position of the part to be cut, the lower bottom surface is attached to the anatomical cambered surface of a bone, and positioning screws are driven into the first positioning hole, the second positioning hole, the third positioning hole and the fourth positioning hole to fixedly connect the bone cutting guide device with the bone; inserting the osteotomy saw blade into the first guide slot or the second guide slot according to the requirement of the osteotomy angle; in the first guide groove, the osteotomy saw blade is deviated to the first edge and the second edge, so that osteotomy operations of two different angles can be realized; and after the osteotomy is finished, taking down the positioning screw and taking out the osteotomy guide device.

Compared with the prior art, the bone cutting guide device has the advantages that the structure is simple, the manufacturing is convenient, one bone cutting guide device is arranged to set a plurality of bone cutting guide angles, the bone cutting guide device is provided with the first guide grooves with various angle specifications according to requirements for selection and use, and the position and the angle of a bone cutting surface can be calibrated simply and quickly.

Drawings

In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a top view of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a schematic left-side sectional view of the present invention.

In the figure: 1-a first mount; 2-a guide block; 3-a second mounting seat; 4-upper bottom surface; 5-lower bottom surface; 6-a first guide groove; 7-a viewing aperture; 8-a second guide groove; 9-a first edge; 10-a second edge; 11-a spacer block; 12-a first connection face; 13-a second connection face; 14-a first locating hole; 15-a second positioning hole; 16-a third positioning hole; 17-a fourth positioning hole; 18-a first plane; 19-a first bevel; 20-a second plane; 21-second slope.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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.

As shown in fig. 1 to 3, an osteotomy guiding device is characterized by comprising a first mounting seat 1, a guiding block 2 and a second mounting seat 3, wherein the first mounting seat 1 and the second mounting seat 3 are respectively arranged at two sides of the guiding block 2; the first guide block 2 comprises an upper bottom surface 4 and a lower bottom surface 5, the upper bottom surface 4 and the lower bottom surface 5 are oppositely arranged, and the guide block 2 is provided with a first guide groove 6, an observation hole 7 and a second guide groove 8 which penetrate through the upper bottom surface 4 and the lower bottom surface 5; the first guide groove 6 comprises a first edge 9 and a second edge 10, the first edge 9 and the second edge 10 are connected at an included angle, the first guide groove 6 is in a shape of a taper from wide to narrow, a separation block 11 is arranged on one side of the first guide groove 6 far away from the connection position of the first edge 9 and the second edge 10, and the first guide groove 6 is separated into two osteotomy angles according to the angle of the first edge 9 and the angle of the second edge 10; the observation hole 7 is a long waist-shaped hole and is arranged between the first guide groove 6 and the second guide groove 8; the second guide groove 8 is a combination of a long-waist-shaped hole and a cylindrical hole.

The two sides of the guide block 2, which are not connected with the first mounting seat 1 and the second mounting seat 3, are acute-angle bumps, each acute-angle bump comprises a first connecting surface 12 and a second connecting surface 13, the first connecting surface 12 is connected with the upper bottom surface 4, the second connecting surface 13 is connected with the lower bottom surface 5, and two ends of the first guide groove 6 are arranged on the first connecting surfaces 12.

The upper bottom surface 4 is a rectangle with round corners, and the lower bottom surface 5 is a cambered surface matched with the radian of anatomy of bones to be treated.

A first positioning hole 14 and a second positioning hole 15 are formed in the first mounting seat 1, and the axes of the first positioning hole 14 and the second positioning hole 15 are intersected; a third positioning hole 16 and a fourth positioning hole 17 are formed in the second mounting seat 3, and the axes of the third positioning hole 16 and the fourth positioning hole 17 are intersected; the three-dimensional connection with the osteotomy skeleton increases the firmness and avoids the occurrence of looseness in the osteotomy process.

The connecting line of the first positioning hole 14 and the second positioning hole 15 and the connecting line of the third positioning hole 16 and the fourth positioning hole 17 are in a splayed shape.

The first mounting seat 1 comprises a first plane 18 and a first inclined plane 19, the first plane 18 is parallel to the upper bottom surface 4, and the first inclined plane 19 and the first plane 18 form a specific included angle; the first positioning hole 14 is arranged on the first plane 18; the second positioning hole 15 is provided on the first slope 19.

The second mounting seat 3 comprises a second plane 20 and a second inclined plane 21, the second plane 20 is parallel to the upper bottom surface 4, and the second inclined plane 21 and the second plane 20 form a specific included angle; the third positioning hole 16 is disposed on the second plane 20, and the fourth positioning hole 17 is disposed on the second slope 21.

When the bone cutting guide device is used, the observation hole 7 of the bone cutting guide device is aligned to the mark position of a part to be cut, the lower bottom surface 5 is attached to the anatomical cambered surface of a bone, and positioning screws are driven into the first positioning hole 14, the second positioning hole 15, the third positioning hole 16 and the fourth positioning hole 17 to fixedly connect the bone cutting guide device with the bone; according to the requirement of the osteotomy angle, the osteotomy saw blade is inserted into the first guide slot 6 or the second guide slot 8; in the first guide groove 6, the osteotomy saw blade is deviated to the first edge 9 and the second edge 10, so that the osteotomy operation of two different angles can be realized; and after the osteotomy is finished, taking down the positioning screw and taking out the osteotomy guide device.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.