Patella drilling guider and patella drilling guiding system

Abstract

The utility model discloses a patella drilling guider and a patella drilling guiding system.The patella drilling guider comprises a main body and at least two identification parts, the main body is provided with a through guiding hole, and the main body comprises a peripheral face extending in the circumferential direction of the guiding hole; the at least two identification parts are convexly arranged on the outer peripheral surface of the main body, the at least two identification parts are sequentially distributed at intervals in the circumferential direction of the guide hole, each identification part comprises at least two identification sections which are sequentially distributed in the direction away from the main body, the identification sections extend in the circumferential direction of the guide hole, and each of the at least two identification sections of at least one identification part comprises an identification surface; the identification surface is located on the side, deviating from or facing the main body, of the identification section, and the identification surface is used for indicating the size of a patella osteotomy surface, so that the position of the patella drilling guider is conveniently adjusted, the patella drilling guider is aligned with the patella osteotomy surface, accurate guiding of a drilling tool is achieved, patella drilling guiders of different models or sizes do not need to be frequently replaced, and the working efficiency is improved. And the patella replacement operation time can be shortened.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a patella drilling guide and a patella drilling guide system. Background Art

[0002] Patellar replacement surgery is a surgery performed when the patella is damaged or dysfunctional. During patellar replacement surgery, the patella needs to be measured and osteotomized, and then different models or sizes of patellar drilling guides are used on the osteotomy surface of the patella for evaluation. The patellar drilling guide that can cover the osteotomy surface to the greatest extent but not exceed the osteotomy surface is selected, and the patellar drilling guide is matched with the patellar clamp, and then the drilling tool is used to drill.

[0003] Among them, in the process of selecting the patellar drilling guide, it is necessary to frequently replace the patellar drilling guide of different models or sizes, which causes the time of patellar replacement surgery to be prolonged. Utility Model Content

[0004] The embodiments of the present application provide a patella drilling guide and a patella drilling guide system, which aim to solve the problem that in existing patella replacement surgeries, patella drilling guides of different models or sizes need to be frequently replaced, resulting in a prolonged duration of patella replacement surgery.

[0005] The present application embodiment provides a patella drilling guide, comprising:

[0006] A main body, wherein the main body is provided with a penetrating guide hole, and the main body comprises an outer peripheral surface extending along the circumference of the guide hole;

[0007] At least two identification parts are protruding from the outer peripheral surface of the main body, and the at least two identification parts are distributed in sequence along the circumference of the guide hole. The identification part includes at least two identification segments distributed in sequence along the direction away from the main body, and the identification segments extend along the circumference of the guide hole. At least two identification segments of at least one of the identification parts respectively include an identification surface, and the identification surface is located on the side of the identification segment away from or toward the main body, and the identification surface is used to indicate the size of the patellar osteotomy surface.

[0008] In some embodiments, the identification segment includes an end face, which is located at both ends of the identification segment along the circumference of the guide hole. The end faces of at least the same end of two adjacent identification segments are distributed sequentially along the circumference of the guide hole, and the identification surface of the identification segment is adjacent to the end face.

[0009] In some embodiments, the end surfaces of at least the same end of the plurality of identification segments of the identification portion are distributed sequentially along the circumference of the main body.

[0010] In some embodiments, the identification surface of each identification segment is located on a side of the identification segment facing away from the main body; or, the identification surface of each identification segment is located on a side of the identification segment facing the main body.

[0011] In some embodiments, the lengths of the plurality of identification segments of the identification portion along the circumference of the guide hole are successively shortened in the direction away from the main body, and among two adjacent identification segments, the identification segment away from the main body is located between the two end faces of the identification segment close to the main body; or,

[0012] The lengths of the multiple identification segments of the identification portion along the circumference of the guide hole increase sequentially in the direction away from the main body, and among two adjacent identification segments, the identification segment close to the main body is located between the two end faces of the identification segment away from the main body.

[0013] In some embodiments, the identification segment extends along an arc; and the difference in center angles of two adjacent identification segments is greater than or equal to 10°.

[0014] In some embodiments, the main body includes a first inner side surface for opposing the patella, and the first inner side surface is located at one side of the main body along the penetrating direction of the guide hole;

[0015] Wherein, the identification portion includes a second medial surface for being opposite to the patella, and the second medial surface is flush with the first medial surface; or,

[0016] Wherein, at least one identification segment of the identification portion protrudes from the first inner side surface.

[0017] In some embodiments, the main body includes a first medial side surface opposite to the patella, and the first medial side surface is located on one side of the main body along the penetration direction of the guide hole; the heights of the plurality of identification segments relative to the first medial side surface gradually decrease in the direction away from the main body.

[0018] In some embodiments, a connecting portion is convexly provided on the outer peripheral surface of the main body, and the connecting portion is used for detachable connection with at least two different types of installation tools.

[0019] In some embodiments, a mounting hole for inserting the mounting tool is formed on a side of the connecting portion facing away from the main body, and a slot for engaging with the mounting tool is formed on an inner circumferential surface of the mounting hole.

[0020] The present application also provides a patella drilling guide, comprising:

[0021] A main body, wherein the main body is provided with a penetrating guide hole, and the main body comprises an outer peripheral surface extending along the circumference of the guide hole;

[0022] At least two identification parts are convexly provided on the outer peripheral surface of the main body, the at least two identification parts are sequentially spaced and distributed along the circumference of the guide hole, the identification part includes at least one identification segment sequentially distributed along the direction away from the main body, the identification segment extends along the circumference of the guide hole, the identification segment includes an identification surface, and the identification surface is located on a side of the identification segment away from or toward the main body;

[0023] Wherein, the outer peripheral surface is convexly provided with a connecting portion, and the connecting portion is used for detachably connecting with at least two different types of installation tools.

[0024] In some embodiments, a mounting hole for inserting the mounting tool is formed on a side of the connecting portion facing away from the main body, and a slot for engaging with the mounting tool is formed on an inner circumferential surface of the mounting hole.

[0025] The present application also provides a patella drilling guide system, including:

[0026] A patella drilling guide, wherein the patella drilling guide is the patella drilling guide described above;

[0027] An installation tool is used to connect with the patella drilling guide.

[0028] In some embodiments, the installation tool comprises an installation clamp and a connection structure connected to each other, wherein the connection structure is provided at one of the jaws of the installation clamp, and the connection structure is used for detachably connecting with the connection portion of the patella drilling guide; or,

[0029] The installation tool comprises an installation handle and a connection structure which are connected to each other. The connection structure is arranged at one end of the installation handle and is used for detachably connecting with the connection part of the patella drilling guide.

[0030] The patella drilling guide provided in the embodiment of the present application is provided with at least two identification parts on the outer peripheral surface of the main body, so that the identification parts include at least two identification segments distributed in sequence in the direction away from the main body. The identification surfaces of the multiple identification segments of each identification part can indicate the size of the patella osteotomy surface, so as to facilitate the adjustment of the position of the patella drilling guide, align the patella drilling guide with the osteotomy surface of the patella, and realize accurate guidance of the drilling tool without the need to frequently replace patella drilling guides of different models or sizes, which is beneficial to shortening the time of patella replacement surgery and reducing surgical risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The technical solution and other beneficial effects of the present application will be made apparent by describing in detail the specific implementation methods of the present application in conjunction with the accompanying drawings.

[0032] Figure 1A schematic structural diagram of an embodiment of a patella drilling guide system provided in an embodiment of the present application;

[0033] Figure 2 A schematic diagram of the structure of the patella drilling guide provided in an embodiment of the present application when guiding a drilling tool;

[0034] Figure 3 for Figure 2 A cross-sectional view of a mid-patellar drilling guide and a drilling tool, wherein the section is taken along the axial direction of the guide hole;

[0035] Figure 4 A schematic structural diagram of another embodiment of the patella drilling guide system provided in an embodiment of the present application;

[0036] Figure 5 A schematic structural diagram of an embodiment of a patella drilling guide provided in an embodiment of the present application;

[0037] Figure 6 for Figure 5 Top view of the mid-patellar drill guide;

[0038] Figure 7 for Figure 5 Bottom view of the mid-patella drill guide;

[0039] Figure 8 A schematic structural diagram of another embodiment of the patella drilling guide provided in the embodiment of the present application;

[0040] Fig. 9 for Figure 8 Top view of the mid-patellar drill guide;

[0041] Fig.10 for Figure 8 Lateral view of the mid-patellar drill guide;

[0042] Fig.11 A top view of a structural schematic diagram of another embodiment of a patella drilling guide provided in an embodiment of the present application;

[0043] Fig.12 A top view of a structural schematic diagram of yet another embodiment of the patella drilling guide provided in an embodiment of the present application.

[0044] Patella drilling guide system 100; patella drilling guide 110; main body 111; first inner side surface 1111; first outer side surface 1112; outer peripheral surface 1113; guide hole 1114; identification portion 112; second inner side surface 1121; identification section 1122; identification surface 1123; end surface 1124; scale surface 113; scale value 114; connecting portion 115; mounting hole 1151; slot 1152; mounting tool 120; mounting pliers 121; pliers mouth 1211; mounting handle 122; connecting structure 123; insertion portion 1231; clamping portion 1232; push portion 1233; drilling tool 200; osteotomy surface 300. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0046] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0047] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0048] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0049] The disclosure below provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides various specific processes and examples of materials, but those of ordinary skill in the art can appreciate the application of other processes and / or the use of other materials.

[0050] The embodiments of the present application provide a patella drilling guide and a patella drilling guide system, which are described in detail below.

[0051] Figure 1 A schematic structural diagram of an embodiment of a patella drilling guide system provided in an embodiment of the present application. Figure 2 This is a schematic diagram of the structure of the patella drilling guide provided in the embodiment of the present application when guiding the drilling tool. Figure 1 and Figure 2 As shown, the patella drilling guide system 100 includes a patella drilling guide 110 and an installation tool 120. The installation tool 120 is connected to the patella drilling guide 110 so that the surgeon can hold the installation tool 120 to move the patella drilling guide 110 during the operation, and the patella osteotomy surface 300 ( Figure 6 The patellar drilling guide 110 is used to guide the drilling tool 200 so that the drilling tool 200 can stably and reliably perform a hole-making operation on the osteotomy surface 300 of the patella. When the patellar drilling guide 110 is accurately aligned with the osteotomy surface 300 of the patella, the hole position opened by the drilling tool 200 has a high accuracy.

[0052] In the prior art, in order to improve the accuracy of the patellar drilling guide in measuring and evaluating the osteotomy surface of the patella, patellar drilling guides of different models or sizes are generally used on the osteotomy surface of the patella for evaluation, and the patellar drilling guide that can cover the osteotomy surface to the greatest extent but does not exceed the osteotomy surface is selected, and then the drilling tool is guided by the patellar drilling guide to make the hole opened by the drilling tool more accurate. In the process of selecting the patellar drilling guide, the patellar drilling guides of different models or sizes need to be frequently replaced, which prolongs the time of patellar replacement surgery and increases the risk of surgery.

[0053] In order to avoid the above problems, the present application provides a patella drilling guide. Figures 5 to 7 As shown, the patella drilling guide 110 includes a main body 111, and the main body 111 is provided with a penetrating guide hole 1114. The guide hole 1114 is used to guide the drilling tool 200. The drilling tool 200 is used to pass through the guide hole 1114 of the main body 111 and drill the osteotomy surface 300 of the patella.

[0054] Specifically, the main body 111 includes a first medial side 1111 for being opposite to the patella, and the first medial side 1111 is located on one side of the main body 111 along the penetrating direction of the guide hole 1114. The main body 111 also includes a first lateral side 1112 opposite to the first medial side 1111, and the guide hole 1114 of the main body 111 extends from the first lateral side 1112 to the first medial side 1111. The guide hole 1114 can be a circular hole or other hole capable of guiding the drilling tool 200, which is not limited here.

[0055] Continue to refer to Figures 5 to 7 The main body 111 includes an outer peripheral surface 1113 extending along the circumference of the guide hole 1114. The outer peripheral surface 1113 of the main body 111 can be used to indicate the size of the patellar osteotomy surface 300, that is, the patellar osteotomy surface 300 can be measured and evaluated through the outer peripheral surface 1113 of the main body 111. Specifically, the outer peripheral surface 1113 of the main body 111 is a part of a cylindrical surface. The radial cross section of the guide hole 1114 is circular. The axis of the guide hole 1114 coincides with the axis of the cylindrical surface.

[0056] When measuring and evaluating the osteotomy surface 300 of the patella through the patella drilling guide 110, the first medial side surface 1111 of the main body 111 can be close to the osteotomy surface 300 of the patella so that the first medial side surface 1111 of the main body 111 is in contact with the osteotomy surface 300 of the patella or maintains a certain distance, and then the outer peripheral surface 1113 of the main body 111 is compared with the edge of the osteotomy surface 300 of the patella. If the main body 111 can cover the osteotomy surface 300 to the greatest extent and the outer peripheral surface 1113 of the main body 111 does not exceed the osteotomy surface 300 of the patella, the main body 111 of the patella drilling guide 110 is aligned with the osteotomy surface 300 of the patella, and the drilling tool 200 can be accurately guided through the guide hole 1114 of the main body 111. Otherwise, it is necessary to measure and evaluate the osteotomy surface 300 of the patella through other marking structures of the patella drilling guide 110 .

[0057] In some embodiments, the patella drilling guide 110 includes at least two identification portions 112 protruding from the outer peripheral surface 1113 of the main body 111, and the at least two identification portions 112 are sequentially spaced and distributed along the circumference of the guide hole 1114. The at least two identification portions 112 of the patella drilling guide 110 are used to measure and evaluate the osteotomy surface 300 of the patella. The identification portion 112 of the patella drilling guide 110 includes at least two identification segments 1122 sequentially distributed in a direction away from the main body 111, and the identification segment 1122 extends along the circumference of the guide hole 1114. The at least two identification segments 1122 of at least one identification portion 112 respectively include an identification surface 1123, which is located on the side of the identification segment 1122 away from the main body 111, and the identification surface 1123 is used to indicate the size of the patella osteotomy surface 300.

[0058] In other embodiments, Figure 8 and Fig. 9 As shown, the identification surface 1123 of the identification segment 1122 may also be located on the side of the identification segment 1122 facing the main body 111 .

[0059] During measurement and evaluation, the first medial side surface 1111 of the main body 111 can be brought close to the osteotomy surface 300 of the patella so that the first medial side surface 1111 of the main body 111 fits into or maintains a certain distance from the osteotomy surface 300 of the patella, and then the identification surface 1123 of each identification segment 1122 of each identification part 112 is compared with the edge of the osteotomy surface 300 of the patella. By adjusting the position of the patella drilling guide 110, a certain identification segment 1122 of each identification part 112 that is at the same distance from the main body 111 can cover the osteotomy surface 300 to the greatest extent, and the identification surface 1123 of the identification segment 1122 does not exceed the edge of the osteotomy surface 300 of the patella, so that the patella drilling guide 110 is aligned with the osteotomy surface 300 of the patella, and the drilling tool 200 can be accurately guided through the guide hole 1114 of the main body 111.

[0060] The patella drilling guide 110 provided in the embodiment of the present application is provided with at least two identification parts 112 protruding from the outer peripheral surface 1113 of the main body 111, so that the identification part 112 includes at least two identification segments 1122 distributed in sequence in the direction away from the main body 111, and the identification surface 1123 of the multiple identification segments 1122 of each identification part 112 can indicate the size of the patella osteotomy surface 300, so as to facilitate the adjustment of the position of the patella drilling guide 110, so that the patella drilling guide 110 is aligned with the osteotomy surface 300 of the patella, and the drilling tool 200 is accurately guided without the need to frequently replace the patella drilling guide 110 of different models or sizes, which is beneficial to shortening the time of patella replacement surgery and reducing surgical risks.

[0061] In some embodiments, the identification segment 1122 of the identification portion 112 can be extended along an arc. Correspondingly, the identification surface 1123 of the identification segment 1122 is an arc surface. The center angles of two adjacent identification segments 1122 of the identification portion 112 are different, so that the end surfaces 1124 of at least the same end of two adjacent identification segments 1122 of the identification portion 112 are distributed in sequence along the circumference of the guide hole 1114.

[0062] The difference in the center angles of two adjacent identification segments 1122 of the identification portion 112 can be greater than or equal to 10°, so that the identification surface 1123 of the identification segment 1122 has a larger length in the circumferential direction of the guide hole 1114, so as to facilitate the comparison of the identification surface 1123 of the identification segment 1122 with the edge of the patellar osteotomy surface 300. The difference in the center angles of two adjacent identification segments 1122 of the identification portion 112 can be 15°, 20°, 30°, etc., which is not limited here.

[0063] In other embodiments, the marking segment 1122 of the marking portion 112 may also extend along a curve, wherein the curve is a non-circular arc line, and correspondingly, the marking surface 1123 of the marking segment 1122 is a curved surface.

[0064] like Figure 5 and Figure 6 As shown, the identification segment 1122 includes an end face 1124, which is located at both ends of the identification segment 1122 along the circumference of the guide hole 1114. In some embodiments, the end faces 1124 of at least the same end of two adjacent identification segments 1122 are sequentially distributed along the circumference of the guide hole 1114, and the identification surface 1123 of the identification segment 1122 is adjacent to the end face 1124. It can be understood that by making the end faces 1124 of at least the same end of two adjacent identification segments 1122 sequentially distributed along the circumference of the guide hole 1114, and the end faces 1124 of at least the same end of two adjacent identification segments 1122 are staggered, then one of the two adjacent identification segments 1122 can form an identification surface 1123 between the end faces 1124 of the same end of the two identification segments 1122.

[0065] It should be noted that the end faces 1124 at both ends of two adjacent identification segments 1122 can be distributed in sequence along the circumference of the guide hole 1114; or, only the end faces 1124 at the same end of two adjacent identification segments 1122 can be distributed in sequence along the circumference of the guide hole 1114, while the end faces 1124 at the other ends of the two adjacent identification segments 1122 are flush. Of course, the former can form identification surfaces 1123 near both ends of the identification segment 1122 along the circumference of the guide hole 1114, which is conducive to improving the alignment efficiency between the patella drilling guide 110 and the osteotomy surface 300 of the patella.

[0066] In some embodiments, the end face 1124 of the identification segment 1122 at one end away from the main body 111 of two adjacent identification segments 1122 can be located between the two end faces 1124 of the identification segment 1122 close to the main body 111 (that is, the end face 1124 of the identification segment 1122 at one end away from the main body 111 of the two adjacent identification segments 1122 is adjacent to the surface of the identification segment 1122 close to the main body 111 facing away from the main body 111; or, the end face 1124 of the identification segment 1122 at one end away from the main body 111 of the two adjacent identification segments 1122 is located within the angle formed by a point on the axis of the guide hole 1114 and a line connecting the two ends of the identification segment 1122 close to the main body 111), then the identification surface 1123 of the identification segment 1122 close to the main body 111 is located on the side of the identification segment 1122 facing away from the main body 111.

[0067] Or, if Figure 8 and Fig. 9 As shown, the end face 1124 of one end of the identification segment 1122 close to the main body 111 of two adjacent identification segments 1122 may be located between the two end faces 1124 of the identification segment 1122 away from the main body 111 (that is, the end face 1124 of one end of the identification segment 1122 close to the main body 111 of the two adjacent identification segments 1122 is adjacent to the surface of the identification segment 1122 away from the main body 111 facing away from the main body 111; or, the end face 1124 of one end of the identification segment 1122 close to the main body 111 of the two adjacent identification segments 1122 is within the angle formed by a point on the axis of the guide hole 1114 and a line connecting the two ends of the identification segment 1122 away from the main body 111), then the identification surface 1123 of the identification segment 1122 away from the main body 111 is located on the side of the identification segment 1122 facing the main body 111.

[0068] In some embodiments, the end surfaces 1124 of at least the same end of the multiple identification segments 1122 of the identification portion 112 can be distributed in sequence along the circumference of the main body 111, so that an identification surface 1123 can be formed between the end surfaces 1124 of at least the same end of any two adjacent identification segments 1122 of the identification portion 112, and the identification surfaces 1123 of the multiple identification segments 1122 of the identification portion 112 are all located on the side of the corresponding identification segment 1122 facing toward or away from the main body 111.

[0069] Among them, Figure 5 and Figure 6 As shown, when, among any two adjacent identification segments 1122 of the multiple identification segments 1122 of the identification portion 112, the end surface 1124 of one end of the identification segment 1122 away from the main body 111 is located between the two end surfaces 1124 of the identification segment 1122 close to the main body 111, the identification surface 1123 of each identification segment 1122 of the identification portion 112 is located on the side of the identification segment 1122 facing away from the main body 111.

[0070] Specifically, the lengths of the multiple identification segments 1122 of the identification portion 112 along the circumference of the guide hole 1114 can be successively shortened in the direction away from the main body 111 , so that the end faces 1124 of at least the same end of two adjacent identification segments 1122 are sequentially distributed along the circumference of the guide hole 1114 .

[0071] Among them, among two adjacent identification segments 1122 of the identification portion 112, the identification segment 1122 away from the main body 111 is located between the two end faces 1124 of the identification segment 1122 close to the main body 111 (that is, the end faces 1124 at both ends of the identification segment 1122 away from the main body 111 among the two adjacent identification segments 1122 are adjacent to the surface of the identification segment 1122 close to the main body 111 on the side facing away from the main body 111; or, the identification segment 1122 away from the main body 111 among the two adjacent identification segments 1122 is located within the angle range formed by the point on the axis of the guide hole 1114 and the line connecting the two ends of the identification segment 1122 close to the main body 111), the identification surfaces 1123 of the multiple identification segments 1122 of the identification portion 112 are all located on the side of the corresponding identification segment 1122 facing away from the main body 111, and the distribution direction of the end face 1124 at the same end of the two adjacent identification segments 1122 is opposite to the distribution direction of the end face 1124 at the other end. In two adjacent identification segments 1122 of the identification portion 112, the identification surface 1123 of the identification segment 1122 close to the main body 111 is distributed on both sides of the identification segment 1122 far from the main body 111 along the circumference of the guide hole 1114, which is beneficial to make the identification surfaces 1123 of the identification segments 1122 at the same distance from the main body 111 in each identification portion 112 more evenly distributed in the circumference of the guide hole 1114, thereby improving the evaluation and measurement accuracy of the patellar osteotomy surface 300 by the patellar drilling guide 110.

[0072] Or, if Figure 8 and Fig. 9 As shown, when the end face 1124 of one end of the identification segment 1122 close to the main body 111 of any two adjacent identification segments 1122 of the multiple identification segments 1122 of the identification portion 112 is located between the two end faces 1124 of the identification segment 1122 away from the main body 111, the identification surface 1123 of each identification segment 1122 of the identification portion 112 is located on the side of the identification segment 1122 facing the main body 111.

[0073] Specifically, the lengths of the multiple identification segments 1122 of the identification portion 112 along the circumference of the guide hole 1114 increase sequentially in the direction away from the main body 111 , so that the end faces 1124 of at least the same end of two adjacent identification segments 1122 are distributed sequentially along the circumference of the guide hole 1114 .

[0074] Among them, among two adjacent identification segments 1122 of the identification part 112, the identification segment 1122 close to the main body 111 is located between the two end faces 1124 of the identification segment 1122 far from the main body 111 (that is, the end faces 1124 at both ends of the identification segment 1122 close to the main body 111 among the two adjacent identification segments 1122 are both adjacent to the surface of the identification segment 1122 far from the main body 111 on the side away from the main body 111; or, the identification segment 1122 close to the main body 111 among the two adjacent identification segments 1122 is within the angle formed by the point on the axis of the guide hole 1114 and the connecting line of the two ends of the identification segment 1122 far from the main body 111). The identification surfaces 1123 of the multiple identification segments 1122 of the identification part 112 are all located on the side of the corresponding identification segment 1122 away from the main body 111, and the distribution direction of the end faces 1124 at the same end of the two adjacent identification segments 1122 is opposite to the distribution direction of the end faces 1124 at the other end. In two adjacent identification segments 1122 of the identification portion 112, the identification surface 1123 of the identification segment 1122 far away from the main body 111 is distributed on both sides of the identification segment 1122 close to the main body 111 along the circumference of the guide hole 1114, which is beneficial to make the identification surfaces 1123 of the identification segments 1122 at the same distance from the main body 111 in each identification portion 112 more evenly distributed in the circumference of the guide hole 1114, thereby improving the evaluation and measurement accuracy of the patellar osteotomy surface 300 by the patellar drilling guide 110.

[0075] In other embodiments, Fig.12 As shown, the length of a certain identification segment 1122 of the identification portion 112 along the circumference of the guide hole 1114 can also be greater than the length of the identification segment 1122 along the circumference of the guide hole 1114 on the side close to the main body 111, and greater than the length of the identification segment 1122 along the circumference of the guide hole 1114 on the side away from the main body 111. In this case, the identification segment 1122 is formed with an identification surface 1123 on both the side facing toward and away from the main body 111.

[0076] like Figure 7 As shown, the body 111 of the patella drilling guide 110 includes a first medial surface 1111 for opposing the patella, the first medial surface 1111 being located at one side of the body 111 along the penetrating direction of the guide hole 1114. The identification portion 112 includes a second medial surface 1121 for opposing the patella.

[0077] In some embodiments, the second medial side surface 1121 of the identification portion 112 can be flush with the first medial side surface 1111 of the body 111. Thus, when the osteotomy surface 300 of the patella is measured and evaluated by the patella drilling guide 110, the second medial side surface 1121 of the identification portion 112 can be fitted with the osteotomy surface 300 of the patella, so that the identification surface 1123 located on the identification portion 112 is as close to the osteotomy surface 300 of the patella as possible, so as to improve the measurement accuracy of the size of the osteotomy surface 300 of the patella by the identification surface 1123.

[0078] In other embodiments, at least one identification segment 1122 of the identification portion 112 may be made to protrude from the first medial side surface 1111 of the main body 111, so that when the osteotomy surface 300 of the patella is measured and evaluated through the patella drilling guide 110, the second medial side surface 1121 of the identification portion 112 can be fitted with the osteotomy surface 300 of the patella. Among them, all identification segments 1122 of the identification portion 112 may be made to protrude from the first medial side surface 1111 of the main body 111, or some identification segments 1122 of the identification portion 112 may be made to protrude from the first medial side surface 1111 of the main body 111, and it is only necessary to make at least some identification segments 1122 of the identification portion 112 abut against the osteotomy surface 300 of the patella.

[0079] Specifically, all the identification segments 1122 of the identification portion 112 can be made to protrude from the first inner side surface 1111 of the main body 111, and the second inner side surface 1121 of the identification portion 112 is a plane, that is, the surface of all the identification segments 1122 of the identification portion 112 facing the patella is flush, so that all the identification segments 1122 of the identification portion 112 can abut against the osteotomy surface 300 of the patella. Among them, the second inner side surfaces 1121 of the plurality of identification portions 112 are coplanar, so that all the identification segments 1122 of the plurality of identification portions 112 can abut against the osteotomy surface 300 of the patella.

[0080] In some embodiments, Figures 8 to 10As shown, the height of the multiple identification segments 1122 of the identification portion 112 relative to the first medial side 1111 can be gradually reduced in the direction away from the main body 111, so that the multiple identification segments 1122 of the identification portion 112 form a step structure on the side away from the second medial side 1121, and the step height of the multiple identification segments 1122 of the identification portion 112 gradually decreases in the direction away from the main body 111. In this way, the shielding of the identification segment 1122 of the identification portion 112 close to the main body 111 on the identification segment 1122 far from the main body 111 can be reduced, so that the surgeon can more conveniently observe the identification surface 1123 of the identification segment 1122 of the identification portion 112 far from the main body 111, which is conducive to improving the efficiency of patella replacement surgery and the evaluation and measurement accuracy of the patellar osteotomy surface 300 by the patellar drilling guide 110.

[0081] In some embodiments, Figure 6 As shown, the patella drilling guide 110 may include a scale value 114 for indicating the outer peripheral surface 1113 of the main body 111 and each identification surface 1123 on the identification portion 112. The scale value 114 may be set on the surface of the main body 111 away from the first inner side surface 1111, and the scale value 114 is sequentially arranged in a direction away from the guide hole 1114, so that the surgeon can observe the scales of the outer peripheral surface 1113 of the main body 111 and each identification surface 1123 on the identification portion 112.

[0082] Or, if Fig.11 As shown, the identification portion 112 includes a scale surface 113, which is located on the side of the identification portion 112 away from the second inner side surface 1121, and the scale value 114 is set on the scale surface 113. Among them, the scale surface 113 can be flush with the surface of the main body 111 on the side away from the first inner side surface 1111. The number of scale surfaces 113 is multiple, and the number of scale surfaces 113 is equal to the number of identification segments 1122 included in the identification portion 112. Multiple scale surfaces 113 are located in the same identification portion 112, or multiple scale surfaces 113 are distributed in different identification portions 112. The scale surface 113 extends from the first outer side surface 1112 on the side of the main body 111 away from the first inner side surface 1111 to the identification surface 1123 of the identification segment 1122 corresponding to the scale value 114. That is, when the scale value 114 on the scale surface 113 indicates the identification surface 1123 of a certain identification segment 1122 , the scale surface 113 extends from the first outer side surface 1112 of the main body 111 to the identification surface 1123 of the certain identification segment 1122 .

[0083] Specifically, the patella drilling guide 110 includes four identification portions 112, which are distributed around the main body 111 at intervals along the circumference of the guide hole 1114. Each identification portion 112 includes three identification segments 1122 distributed in sequence in a direction away from the main body 111. Of course, the patella drilling guide 110 may also include two, three or more identification portions 112. In addition, each identification portion 112 may include two, four or more identification segments 1122, which are not limited here.

[0084] The scale value 114 (such as Fig.11 The scale value 114 for indicating 30 in the marking portion 112 is provided on the first outer side surface 1112 of the main body 111. One of the marking portions 112 includes two scale surfaces 113, and the two scale surfaces 113 are sequentially distributed along the circumference of the guide hole 1114. One of the two scale surfaces 113 of the marking portion 112 extends from the first outer side surface 1112 of the main body 111 to the marking surface 1123 of the marking segment 1122 closest to the main body 111, and the marking surface 1123 is provided with a scale value 114 (such as Fig.11 The other of the two scale faces 113 of the identification portion 112 extends from the first outer side surface 1112 of the main body 111 to the identification face 1123 of the middle identification segment 1122, and the identification face 1123 is provided with a scale value 114 (such as the scale value 114 of the identification face 1123 of the identification segment 1122 closest to the main body 111) Fig.11 The scale value 114 is used to indicate 36).

[0085] Another identification portion 112 includes an identification surface 1123, which extends from the first outer side surface 1112 of the main body 111 to the identification surface 1123 of the identification segment 1122 farthest from the main body 111, and the identification surface 1123 is provided with a scale value 114 (such as Fig.11 The scale value 114 is used to indicate 38).

[0086] Or, if Fig.10 As shown, the scale value 114 can be directly set on the identification surface 1123 of the corresponding identification segment 1122, or directly set on the side surface of the corresponding identification segment 1122 facing away from the main body 111, so as to mark the identification surface 1123.

[0087] In some embodiments, Figure 1 , Figure 2 and Figure 5As shown, a connecting portion 115 is convexly provided on the outer peripheral surface 1113 of the main body 111 of the patella drilling guide 110, and the connecting portion 115 is used to be detachably connected with at least two different types of installation tools 120. Therefore, the surgeon can use different installation tools 120 to connect with the connecting portion 115 of the main body 111 according to the usage habits or surgical needs, so as to drive the patella drilling guide 110 to move through the installation tool 120.

[0088] Among them, the installation tool 120 includes an interconnected installation handle 122 and a connecting structure 123. The connecting structure 123 is arranged at one end of the installation handle 122. The connecting structure 123 is used to be detachably connected to the connecting part 115 of the patella drilling guide 110, thereby connecting the installation handle 122 to the patella drilling guide 110. The surgeon can drive the patella drilling guide 110 to move by holding the installation handle 122.

[0089] Or, if Figure 4 As shown, the installation tool 120 may include an interconnected installation clamp 121 and a connecting structure 123, wherein the connecting structure 123 is arranged on one of the jaws 1211 of the installation clamp 121, and the connecting structure 123 is used to be detachably connected to the connecting portion 115 of the patella drilling guide 110, thereby connecting the installation clamp 121 to the patella drilling guide 110, and the surgeon can drive the patella drilling guide 110 to move by holding the installation clamp 121.

[0090] In some embodiments, a mounting hole 1151 for inserting the mounting tool 120 is provided on a side of the connecting portion 115 away from the main body 111, and a slot 1152 for engaging with the mounting tool 120 is provided on the inner circumference of the mounting hole 1151. Figure 5 As shown, a mounting hole 1151 is provided on one side of the connecting portion 115 away from the main body 111, and a clamping groove 1152 extends from the inner circumferential surface of the mounting hole 1151 to one side surface of the connecting portion 115. Thus, by inserting the installation tool 120 into the mounting hole 1151 and clamping the installation tool 120 with the clamping groove 1152 in the mounting hole 1151, the installation tool 120 can be quickly and detachably connected to the connecting portion 115 of the patella drilling guide 110. When the installation tool 120 needs to be separated from the patella drilling guide 110, it is only necessary to withdraw the installation tool 120 from the clamping groove 1152 in the mounting hole 1151, and then withdraw the installation tool 120 from the mounting hole 1151, which is very convenient to operate.

[0091] In some embodiments, Figure 1As shown, the connecting structure 123 of the installation tool 120 can include an inserting portion 1231 and a clamping portion 1232. The clamping portion 1232 is movably connected to the inserting portion 1231 and can move between a clamping position and a disengaging position relative to the inserting portion 1231. When the clamping portion 1232 is in the disengaging position, the clamping portion 1232 and the inserting portion 1231 can be inserted into the mounting hole 1151 of the connecting portion 115 together. When the clamping portion 1232 is in the clamping position, the clamping portion 1232 can be inserted into the mounting hole 1151 from the clamping groove 1152, thereby locking the clamping portion 1232, the inserting portion 1231 and the connecting portion 115 together, so that the positions of the installation structure and the connecting structure 123 are relatively fixed. When it is necessary to separate the connecting structure 123 and the connecting portion 115 of the patella drilling guide 110 , it is only necessary to move the clamping portion 1232 from the clamping position to the disengaging position, and then remove the clamping portion 1232 and the inserting portion 1231 from the mounting hole 1151 .

[0092] The connection structure 123 may include an elastic member (not shown) disposed on the insertion portion 1231, the elastic member is connected to the clamping portion 1232, and is used to drive the clamping portion 1232 to move from the disengaged position to the clamping position. In addition, the clamping portion 1232 also includes a push portion 1233, the push portion 1233 is used to receive external force, and move from the clamping position to the disengaged position under the action of the external force.

[0093] When it is necessary to detachably connect the connecting structure 123 of the installation tool 120 with the connecting portion 115 of the patella drilling guide 110, an external force can be applied to the pushed portion 1233 of the clamping portion 1232 manually or with other tools to make the clamping portion 1232 move from the clamping position to the disengaged position, and then the clamping portion 1232 and the insertion portion 1231 are inserted into the installation hole 1151 of the connecting portion 115 together and the external force applied to the pushed portion 1233 of the clamping portion 1232 is cancelled, so that the clamping portion 1232 moves from the disengaging portion to the clamping position under the action of the elastic member, and the clamping portion 1232 is inserted into the slot 1152 to detachably connect the connecting structure 123 of the installation tool 120 with the connecting portion 115 of the patella drilling guide 110.

[0094] When it is necessary to separate the connecting structure 123 of the installation tool 120 from the connecting part 115 of the patella drilling guide 110, it is only necessary to apply external force to the pushed part 1233 of the clamping part 1232 again by hand or other tools to make the clamping part 1232 move from the clamping position to the disengagement position to exit the clamping slot 1152, and then remove the clamping part 1232 and the insertion part 1231 from the installation hole 1151.

[0095] The present application also provides a patella drilling guide. Figure 1 , Figure 2 and Figure 5As shown, the patella drilling guide 110 includes a main body 111 and at least two identification parts 112. The main body 111 is provided with a guide hole 1114 extending therethrough. The main body 111 includes an outer peripheral surface 1113 extending along the circumference of the guide hole 1114. At least two identification parts 112 are convexly arranged on the outer peripheral surface 1113 of the main body 111 and are sequentially spaced and distributed along the circumference of the guide hole 1114. The identification part 112 includes at least one identification segment 1122 sequentially distributed in a direction away from the main body 111. The identification segment 1122 extends along the circumference of the guide hole 1114. The identification segment 1122 includes an identification surface 1123, and the identification surface 1123 is located on the side of the identification segment 1122 away from or toward the main body 111. The structure of the main body 111 and the identification part 112 can refer to the structure of the main body 111 and the identification part 112 in any of the above embodiments, and will not be repeated here.

[0096] In some embodiments, the outer peripheral surface 1113 of the main body 111 is provided with a connecting portion 115, and the connecting portion 115 is used to be detachably connected with at least two different types of installation tools 120. Therefore, the surgeon can use different installation tools 120 to connect with the connecting portion 115 of the main body 111 according to the usage habits or surgical needs, so as to drive the patella drilling guide 110 to move through the installation tool 120.

[0097] Among them, Figure 1 As shown, the installation tool 120 includes an interconnected installation handle 122 and a connecting structure 123. The connecting structure 123 is arranged at one end of the installation handle 122. The connecting structure 123 is used to be detachably connected to the connecting portion 115 of the patella drilling guide 110, thereby connecting the installation handle 122 to the patella drilling guide 110. The surgeon can move the patella drilling guide 110 by holding the installation handle 122.

[0098] Or, if Figure 4 As shown, the installation tool 120 may include an interconnected installation clamp 121 and a connecting structure 123, wherein the connecting structure 123 is arranged on one of the jaws 1211 of the installation clamp 121, and the connecting structure 123 is used to be detachably connected to the connecting portion 115 of the patella drilling guide 110, thereby connecting the installation clamp 121 to the patella drilling guide 110, and the surgeon can drive the patella drilling guide 110 to move by holding the installation clamp 121.

[0099] In some embodiments, a mounting hole 1151 for inserting the mounting tool 120 is provided on the side of the connecting portion 115 away from the main body 111, and a slot 1152 for engaging with the mounting tool 120 is provided on the inner circumference of the mounting hole 1151. The structures of the connecting portion 115 and the mounting tool 120 may refer to the connecting portion 115 and the mounting tool 120 in the above-mentioned embodiments, and will not be described in detail here.

[0100] An embodiment of the present application also provides a patella drilling guide system, which includes a patella drilling guide. The specific structure of the patella drilling guide refers to the above embodiment. Since the patella drilling guide system adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here one by one.

[0101] The patella drilling guide system 100 includes a patella drilling guide 110 and an installation tool 120 . The patella drilling guide 110 may be the patella drilling guide 110 in any of the above embodiments. The installation tool 120 is used to connect with the patella drilling guide 110 .

[0102] In some embodiments, the installation tool 120 includes an installation clamp 121 and a connection structure 123 connected to each other, the connection structure 123 is provided at one of the jaws 1211 of the installation clamp 121, and the connection structure 123 is used to be detachably connected to the connection portion 115 of the patella drilling guide 110. Alternatively, the installation tool 120 includes an installation handle 122 and a connection structure 123 connected to each other, the connection structure 123 is provided at one end of the installation handle 122, and the connection structure 123 is used to be detachably connected to the connection portion 115 of the patella drilling guide 110. The structures of the installation tool 120 and the patella drilling guide 110 can refer to the above embodiments, and will not be repeated here.

[0103] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0104] The patella drilling guide and patella drilling guide system provided in the embodiments of the present application are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A patella drilling guide, characterized in that: include: A main body, wherein the main body is provided with a penetrating guide hole, and the main body comprises an outer peripheral surface extending along the circumference of the guide hole; At least two identification parts are protruding from the outer peripheral surface of the main body, and the at least two identification parts are distributed in sequence along the circumference of the guide hole. The identification part includes at least two identification segments distributed in sequence along the direction away from the main body, and the identification segments extend along the circumference of the guide hole. At least two identification segments of at least one of the identification parts respectively include an identification surface, and the identification surface is located on the side of the identification segment away from or toward the main body, and the identification surface is used to indicate the size of the patellar osteotomy surface.

2. The patella drilling guide according to claim 1, characterized in that: The identification segment includes end faces, which are located at both ends of the identification segment along the circumference of the guide hole. The end faces of at least the same end of two adjacent identification segments are distributed in sequence along the circumference of the guide hole, and the identification surface of the identification segment is adjacent to the end face.

3. The patella drilling guide according to claim 2, characterized in that: The end surfaces of at least the same end of the plurality of identification segments of the identification portion are distributed in sequence along the circumferential direction of the main body.

4. The patella drilling guide according to claim 3, characterized in that: The identification surface of each identification segment is located at a side of the identification segment facing away from the main body; or, the identification surface of each identification segment is located at a side of the identification segment facing the main body.

5. The patella drilling guide according to claim 3, characterized in that: The lengths of the multiple identification segments of the identification portion along the circumference of the guide hole are successively shortened in the direction away from the main body, and among two adjacent identification segments, the identification segment away from the main body is located between the two end faces of the identification segment close to the main body; or The lengths of the multiple identification segments of the identification portion along the circumference of the guide hole increase sequentially in the direction away from the main body, and among two adjacent identification segments, the identification segment close to the main body is located between the two end faces of the identification segment away from the main body.

6. The patella drilling guide according to claim 1, characterized in that: The identification segment extends along an arc; the difference in center angles of two adjacent identification segments is greater than or equal to 10°.

7. The patella drilling guide according to any one of claims 1 to 6, characterized in that: The main body comprises a first inner side surface for being opposite to the patella, wherein the first inner side surface is located at one side of the main body along the penetrating direction of the guide hole; Wherein, the identification portion includes a second medial surface for being opposite to the patella, and the second medial surface is flush with the first medial surface; or, Wherein, at least one identification segment of the identification portion protrudes from the first inner side surface.

8. The patella drilling guide according to any one of claims 1 to 6, characterized in that: The main body comprises a first inner side surface for being opposite to the patella, and the first inner side surface is located on one side of the main body along the penetrating direction of the guide hole; the heights of the plurality of identification segments relative to the first inner side surface gradually decrease in the direction away from the main body.

9. The patella drilling guide according to any one of claims 1 to 6, characterized in that: The outer peripheral surface of the main body is convexly provided with a connecting portion, and the connecting portion is used for detachably connecting with at least two different types of installation tools.

10. The patella drilling guide according to claim 9, characterized in that: A mounting hole for inserting the mounting tool is formed on a side of the connecting portion away from the main body, and a clamping groove for clamping with the mounting tool is formed on an inner peripheral surface of the mounting hole.

11. A patella drilling guide, characterized in that: include: A main body, wherein the main body is provided with a penetrating guide hole, and the main body comprises an outer peripheral surface extending along the circumference of the guide hole; At least two identification parts are convexly provided on the outer peripheral surface of the main body, the at least two identification parts are sequentially spaced and distributed along the circumference of the guide hole, the identification part includes at least one identification segment sequentially distributed along the direction away from the main body, the identification segment extends along the circumference of the guide hole, the identification segment includes an identification surface, and the identification surface is located on a side of the identification segment away from or toward the main body; Wherein, the outer peripheral surface is convexly provided with a connecting portion, and the connecting portion is used for detachably connecting with at least two different types of installation tools.

12. The patella drilling guide according to claim 11, characterized in that A mounting hole for inserting the mounting tool is formed on a side of the connecting portion away from the main body, and a clamping groove for clamping with the mounting tool is formed on an inner peripheral surface of the mounting hole.

13. A patella drilling guide system, characterized in that: include: A patella drilling guide, wherein the patella drilling guide is the patella drilling guide according to any one of claims 1 to 12; An installation tool is used to connect with the patella drilling guide.

14. The patella drilling guide system according to claim 13, characterized in that: The installation tool comprises an installation clamp and a connection structure connected to each other, wherein the connection structure is arranged on one of the clamp mouths of the installation clamp, and the connection structure is used for detachably connecting with the connection part of the patella drilling guide; or, The installation tool comprises an installation handle and a connection structure which are connected to each other. The connection structure is arranged at one end of the installation handle and is used for detachably connecting with the connection part of the patella drilling guide.

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