Modular orthopedic instrument for fracture treatment

Abstract

This application provides a modular orthopedic device for fracture treatment, belonging to the field of orthopedic device technology. The device includes a fixation component, a locking component, and a connecting component. The fixation component has at least one first slot and at least one second slot, which communicate with each other. The locking component is accommodated within the first slot, and the connecting component is accommodated within the second slot and cooperates with the fixation component, allowing it to move or rotate relative to the fixation component. The locking component is used to lock the connecting component and the fixation component together. The connecting component can be a round rod, a polygonal rod, or a toothed connector, and the fixation component can include a toothed fixator, a ball-and-socket fixator, a ball-and-socket fixator, or a universal ball-and-socket fixator. This modular orthopedic device allows for flexible selection of component modules based on fracture type and soft tissue conditions, achieving precise, personalized, and minimally invasive fracture treatment, filling the technological gap between bone plate systems, intramedullary nail systems, and external fixation systems.

Description

Technical Field

[0001] This invention belongs to the field of orthopedic instrument technology, specifically relating to a modular orthopedic instrument for treating fractures of long bones of the limbs, hands and feet, pelvis, etc. in humans or animals. Background Technology

[0002] Currently, the main methods of fracture treatment are internal fixation and external fixation. Clinically, three main fixation systems are relied upon: bone plate (steel plate) system, intramedullary nail system, and external fixation frame system.

[0003] Each of the three systems has its specific indications and mechanical advantages, but in clinical practice, their inherent limitations and the "technical gap" between them often lead to difficulties in treatment decisions, large surgical trauma or high complication rates, and too many limitations when dealing with complex fractures or revision surgeries.

[0004] Therefore, there is an urgent need to develop a modular orthopedic device with standardized modules that can flexibly select components based on fracture type and soft tissue conditions on the same core system, thereby achieving precise, personalized, and minimally invasive fracture treatment and filling the technological gap between the three fixation systems. Summary of the Invention

[0005] The present invention aims to provide a modular orthopedic device for fracture treatment, characterized in that it comprises: a fixation component, a locking component, and a connecting component; the fixation component has at least one first slot and at least one second slot; the locking component is accommodated in the first slot; the connecting component is accommodated in the second slot and cooperates with the fixation component, and is movable or rotatable relative to the fixation component; the locking component is used to lock the connecting component and the fixation component; the first slot and the second slot are interconnected; the connecting component is connected to the fixation component.

[0006] Furthermore, the locking assembly is characterized in that it includes a locking screw and a locking member; the locking screw and the locking member are nested and connected in series; the locking screw is provided with an anti-loosening edge for preventing loosening, or is provided with a threaded hole for preventing loosening and connected to the anti-loosening screw; the locking member is provided with a slot for receiving the head of the locking screw, or is provided with a threaded hole connected to the locking screw; the locking member is also provided with a trapezoidal inclined surface that cooperates with the connecting assembly, wherein the inclined surface is a plane or a multi-faceted surface.

[0007] Furthermore, the connecting component comprises a round bar or a polygonal bar; the surface of the round bar or polygonal bar is smooth or multifaceted.

[0008] Furthermore, the connecting component is characterized in that the toothed connector includes a toothed connector, the teeth of which are annular teeth; the toothed connector includes a toothed rod connector at one end and a round rod connector at the other end, toothed connectors at both ends, and a toothed ball connector at one end and a ball end connector.

[0009] Furthermore, the first slot is characterized by having an anti-disengagement mechanism to prevent the locking component from falling off.

[0010] Furthermore, the first slot is a stepped threaded hole, and the locking assembly includes a locking screw and a locking member. The locking screw is threadedly connected to the first slot and drives the locking member to lock the connecting assembly and the fixing assembly.

[0011] Furthermore, the second slot is an open slot; the connecting component is inserted into the fixing component through the open slot; the locking component includes a rotating locking member, which is accommodated in the first slot; the rotating locking member rotates to switch the locking component between an unlocked state and a locked state; in the unlocked state, the connecting component can be inserted into or removed from the open slot; in the locked state, the rotating locking member locks the connecting component onto the fixing component.

[0012] Furthermore, the first slot is a stepped slot, and the locking component is accommodated within the first slot and cannot be dislodged from it.

[0013] Furthermore, the locking assembly further includes a knob or locking screw for driving the rotary locking member to rotate; the locking screw is provided with an anti-disengagement mechanism for preventing disengagement, or is provided with a threaded hole for preventing disengagement and connected to the anti-disengagement screw.

[0014] Furthermore, the rotating locking member is characterized by having an unlocking surface and a locking surface, wherein the unlocking surface is a trapezoidal straight surface, and the locking surface is a trapezoidal transition surface that transitions from an arc surface to a straight surface.

[0015] Furthermore, the fixing component is characterized in that it includes a toothed fastener; the fixing component is provided with a toothed connecting mechanism, the toothed connecting mechanism having a slot for receiving a locking screw, or having a threaded hole for connection.

[0016] Furthermore, the fixing component is characterized in that it includes a ball head fixing member and a ball socket fixing member, wherein the ball head fixing member has a ball head at one end for connecting with the ball socket fixing member; the ball socket fixing member has a ball socket at one end for connecting with the ball head fixing member or the toothed connector, and its ball socket portion has a screw locking mechanism for locking the ball head.

[0017] Furthermore, the fixing component includes a universal ball joint fixing member, which has a slot for accommodating the grooved universal ball and a slotted screw locking mechanism for locking the grooved universal ball; the grooved universal ball has a slot for engaging with the connecting component and a slot for locking the connecting component.

[0018] Furthermore, the fixing component is characterized in that the number of third slots for connecting the bone screw assembly is greater than or equal to zero; when the number is greater than zero, the slots for connecting the bone screw assembly are provided with concave anti-dislodgement mechanisms and cooperate with the head of the bone screw assembly; the bone screw assembly includes straight thread bone screws and ball head bone screws; the side of the fixing component is provided with slots for clamping the fixing component or observing the nesting depth of the connecting component.

[0019] Beneficial effects: This device has standardized modules, which can flexibly select components on the same core system according to the fracture type and soft tissue condition, and realize precise, personalized and minimally invasive fracture treatment, thereby filling the technical gap between the three fixation systems. Attached Figure Description

[0020] Figure 1 This application provides a structural diagram and a sectional view of the principle of an orthopedic device.

[0021] Figure 2 The following are axial views and exploded views of the fastener 1, locking assembly 1, bone nail assembly, light rod and polygonal rod provided in the embodiments of this application.

[0022] Figure 3 Axial view, exploded view and sectional view of the locking component 1 provided in the embodiments of this application.

[0023] Figure 4 The assembly axis view, exploded view and sectional view of the fastener 2 and locking assembly 2 provided in the embodiments of this application.

[0024] Figure 5 The assembly axis view, exploded view and sectional view of the fastener 3 and locking assembly 3 provided in the embodiments of this application.

[0025] Figure 6 The assembly axis view and exploded view of the fastener 4 and locking assembly 4 provided in the embodiments of this application.

[0026] Figure 7 The assembly axis view and exploded view of the fasteners 5 and 6 and related accessories provided in the embodiments of this application.

[0027] Figure 8 The assembly axis view and exploded view of the toothed connector 1, the fastener 5 and related accessories provided in the embodiments of this application.

[0028] Figure 9 The assembly axial view, assembly sectional view and exploded view of the fastener 7, fastener 8, toothed connector 2 and related accessories provided in the embodiments of this application.

[0029] Figure 10 The assembly axis view and exploded view of the fasteners 8 and 9 and related accessories provided in the embodiments of this application.

[0030] Figure 11 The assembly axis view and exploded view of the fastener 10, toothed connector 3 and related accessories provided in the embodiments of this application.

[0031] Figure 12 The assembly axis view and exploded view of the fastener 6, fastener 8, toothed connector 2 and related accessories provided in the embodiments of this application.

[0032] Figure 13 The assembly axis view and exploded view of the fastener 11, the grooved universal ball and related accessories provided in the embodiments of this application.

[0033] Figure 14 The assembly axis view and exploded view of the fastener 12, the grooved universal ball and related accessories provided in the embodiments of this application.

[0034] In the diagram: 1-Fixed assembly; 2-Locking assembly; 3-Bone screw assembly; 4-Connecting assembly; 11-Fixture 1; 12-Fixture 2; 13-Fixture 3; 14-Fixture 4; 15A-Fixture 5; 15B-Fixture 6; 15C-Fixture 7; 16A-Fixture 8; 16B-Fixture 9; 15D-Fixture 10; 17A-Fixture 11; 17B-Fixture 12; 21-Locking assembly 1; 22-Locking assembly 2; 23-Locking assembly 3; 24-Locking assembly 4; 211-Locking screw; 21 2-Locking component 1; 213-Locking component 2; 214-Anti-loosening screw; 221-Knob; 222-Rotation locking component 1; 231-Rotation locking component 2; 241-Anti-loosening locking screw; 31-Straight thread bone screw; 32-Ball head bone screw; 33-Bone screw locking screw; 41-Light rod; 42-Multi-faceted rod; 43-Toothed connector 1; 44-Toothed connector 2; 45-Toothed connector 3; 51-Ball head locking screw; 52-Groove universal ball joint. Detailed Implementation

[0035] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0037] In the description of this invention, terms such as "provided," "set up," "installed," "connected," "assembled," "combined," and "assembled" should be interpreted broadly. Unless otherwise explicitly limited, those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0038] In this embodiment of the invention, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. Furthermore, in the description of the embodiments of this application, "multiple" refers to two or more, and "at least one" and "one or more" refer to one, two, or more than two. The singular expressions "a," "an," "the," "the," "this," and "this" are intended to also include expressions such as "one or more," unless the context explicitly indicates otherwise.

[0039] In this embodiment of the invention, the same reference numerals are used to denote the same components. For the same components in this application embodiment, only one component may be labeled with reference numerals in the figures. It should be understood that the reference numerals also apply to other identical components. Furthermore, for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. In addition, the components in the figures are not drawn to actual scale, and the dimensions and sizes of the components shown in the figures are merely exemplary and should not be construed as limiting this application.

[0040] The accompanying drawings illustrate a preferred embodiment of the present invention, such as... Figure 1 The accompanying drawings illustrate a schematic structural diagram used in an embodiment of this application. Similar or identical reference numerals are used wherever possible in all the drawings to refer to the same or similar parts. Although this specification primarily relates to a modular orthopedic device for fracture treatment, it should be understood that the inventive subject matter described herein can be applied to the treatment of various parts of the human body or animals and other orthopedic diseases (such as revision surgery and joint fractures). To make the objectives, technical solutions, and advantages of the invention clearer, the invention will be further described in detail with reference to the accompanying drawings.

[0041] refer to Figure 1 This invention provides a modular orthopedic device for fracture treatment, mainly composed of a fixation component (1), a locking component (2), and a connecting component (4). The locking component (2) is housed in a slot in the fixation component (1), and the connecting component (4) is housed in a slot in the fixation component (1). The locking component (2) is used to lock the fixation component (1) and the connecting component (4). The fixation component (1) can slide on the connecting component (4). At the same time, the fixation component (1) is connected to a bone screw component (3), and the fixation component (1) and the bone screw component (3) are fixedly connected.

[0042] like Figure 2 As shown, the fixation component (1) includes a fixation member 1 (11), the locking component (2) includes a locking component 1 (21), the bone screw component (3) includes a straight thread bone screw (31), a ball head bone screw (32), and a bone screw locking screw (33), the bone screw locking screw (33) being used to lock the ball head bone screw (32), and the connection component (4) includes a light rod (41) and a multi-faceted rod (42).

[0043] Furthermore, the fastener 1 (11) is provided with a first slot (111) for nesting the locking assembly 1 (21), an anti-dislodgement mechanism (114) for preventing the locking assembly 1 (21) from falling off, a third slot (112) for connecting a straight thread bone screw (31) or a ball head bone screw (32), a concave surface (117) for preventing the straight thread bone screw (31) or the ball head bone screw (32) from falling off, a second slot (113) for nesting a light rod (41) or a polygonal rod (42), a slot (115) for clamping the fastener 1 (11), and a slot for observing the light rod (41) or the polygonal rod. The rod (42) has a nesting depth or a slot (116) for clamping the fixation member 1 (11); specifically, the fixation member 1 (11) is provided with a slot for connecting the bone screw assembly (3), the locking assembly (2), and the connecting assembly (4). The fixation member 1 (11) can move on the light rod (41) or the multi-faceted rod (42) and is fixed to the light rod (41) or the multi-faceted rod (42) by the locking assembly (2). At the same time, the bone screw assembly (3) is connected to the bone and connected to the fixation member 1 (11). Through the construction of multiple modules, a complete and personalized fracture treatment device is formed.

[0044] Furthermore, the straight thread bone screw (31) is provided with a wrench slot (311), a straight thread screw head (312) for fixed connection with the third slot (112) of the fixation component 1 (11), a mating surface (313) for preventing dislodgement, a bone thread (314) for connecting with the bone, and a screw head (315) for inserting into the bone; specifically, it is used to connect and fix the modular orthopedic instrument composed of the fixation component (1), the locking component (2), the connecting component (4), etc., to the bone, so that the entire fixation system becomes a stable and effective fracture treatment tool.

[0045] Furthermore, the ball-head bone screw (32) is provided with a wrench slot (321), a ball-head screw head (322) for universal connection with the third slot (112) of the fixation component 1 (11), a bone thread (323) for connecting with the bone, and a screw head (324) for inserting into the bone; specifically, it is used to connect and fix the modular orthopedic instrument composed of the fixation component (1), the locking component (2), the connecting component (4), etc., to the bone, so that the entire fixation system becomes a stable and effective fracture treatment tool.

[0046] Furthermore, the bone screw locking screw (33) is provided with a wrench slot (331) and a straight thread (332); specifically, it is used to lock the ball head bone screw (32) to achieve fixation of the ball head bone screw (32) and the fixation component (1).

[0047] Furthermore, locking component 1 (21) (as Figure 3 The lock screw (211) includes a locking screw (211), a locking member 1 (212), a locking member 2 (213), and an anti-loosening screw (214). The locking screw (211) has a wrench slot (2111), a spherical head (2112), a locking thread (2113), and a threaded hole (2114). The locking member 1 (212) is trapezoidal and has a slot (2121) for accommodating the head, a straight end face (2123), and a trapezoidal inclined surface (2122) for locking the connector. The trapezoidal inclined surface (2122) is either flat or multi-faceted. The locking member 2 (213) is trapezoidal and has a threaded hole (214) for engaging with the locking screw (211). 133) The avoidance groove (2132), straight end face (2134) and trapezoidal inclined surface (2131) for avoiding the anti-detachment mechanism are used. The trapezoidal inclined surface (2131) is a plane or a multi-faceted surface. The anti-detachment screw (214) is provided with an anti-detachment head (2143), a wrench slot (2141) for tightening and a locking thread (2142). Specifically, the locking assembly 1 (21) is composed of locking screw (211), locking member 1 (212), locking member 2 (213) and anti-detachment screw (214), and is used in conjunction with fixing assembly (1) and connecting assembly (4) to achieve locking and fixing of fixing assembly (1) and connecting assembly (4).

[0048] Furthermore, there are light rods (41) and polygonal rods (42); where light rods (41) are smooth cylindrical rods whose length can be cut according to requirements; polygonal rods (42) have continuous protrusions or grooves on their surfaces to increase surface friction, making the fixing blocks more securely locked; specifically, light rods (41) and polygonal rods (42) are used to connect fixing components (1), and one or more fixing components (1) can be modularly connected and assembled.

[0049] For example, such as Figure 4 As shown, this module component includes a fastener 2 (12) and a locking component 2 (22). The fixing member 2 (12) is provided with a third slot (121) for connecting the bone screw assembly (3), a first slot (122, 125) for receiving the locking assembly 2 (22), a second slot (124) for receiving the connecting assembly (4), and a slot (123) for clamping the fixing member 2 (12); the locking assembly 2 (22) includes a locking screw (211), a knob (221), a rotating locking member 1 (222), and an anti-dislodgement screw (214).

[0050] Furthermore, the first slot (122) is used to accommodate the knob (221), the slot (125) is used to accommodate the rotary locking member 1 (222); the second slot (124) is an open slot.

[0051] Furthermore, the knob (221) is provided with a slot (2212) for receiving the head of the locking screw (211), a wrench position slot (2211) for rotation, a protruding foot (2213) for engaging with the slot (2224) of the rotating locking member 1 (222) and driving the rotating locking member 1 (222) to rotate, and an arc-shaped surface (2214) for engaging with the fixing member 2 (12); the rotating locking member 1 (222) is provided with a trapezoidal surface (2225), this The trapezoidal surface is the mating surface of the locking component 2 (22) and the fixing component 2 (12) and the connecting component (4) in the unlocked state. It is also provided with a slot (2224) for the knob (221) to drive it to rotate and change its locked state, a trapezoidal surface (2222) for mating with the connecting component (4) and locking the connecting component, an arc surface (2221) for rotational transition and to avoid rotational interference, and a threaded slot (2223) for threaded connection with the locking screw (211).

[0052] Specifically, the locking component 2 (22) included in this module has two states, namely the unlocked state and the locked state. In the unlocked state, the connecting component (4) can be directly inserted into the open second slot (124) of the fixing component 2 (12), and then the rotating locking component 1 (222) is rotated to the locked state by rotating the knob (221), and finally the locking screw (211) is rotated to lock the module.

[0053] For example, such as Figure 5 As shown, this module component includes a fastener 3 (13) and a locking component 3 (23). The fastener 3 (13) is provided with a slot (132) for connecting the bone screw assembly (3), a first slot (131, 135) for receiving the locking assembly 3 (23), a second slot (134) for receiving the connecting assembly (4), and a slot (133) for clamping the fastener 3 (13); the locking assembly 3 (23) includes a locking screw (211), a rotating locking member 2 (231), and an anti-dislodgement screw (214).

[0054] Furthermore, the first slot (131) is used to accommodate the head of the locking screw (211), the slot (135) is used to accommodate the rotating locking member 2 (231); the second slot (134) is an open slot.

[0055] Furthermore, the rotating locking member 2 (231) is provided with a trapezoidal surface (2311), which is the mating surface of the locking component 3 (23) and the fixing member 3 (13) and the connecting component (4) in the unlocked state. It is also provided with a trapezoidal surface (2312) for mating with the connecting component (4) and locking the connecting component, an arc surface (2314) for rotational transition and avoiding rotational interference, and a threaded slot (2313) for threaded connection with the locking screw (211).

[0056] Specifically, the locking component 3 (23) included in this module has two states, namely the unlocked state and the locked state. By tightening the rotating locking component 2 (231), the locking screw (211) can drive the rotating locking component 2 (231) and the fixing component 3 (13) to be in the unlocked or locked state. In the unlocked state, the connecting component (4) can be directly inserted from the open second slot (134) of the fixing component 3 (13), and then the rotating locking component 2 (231) can be rotated to the locked state by rotating the locking screw (211). Finally, the locking screw (211) is rotated to lock the module.

[0057] For example, such as Figure 6 As shown, this module component includes a fastener 4 (14) and a locking component 4 (24). The fastener 4 (14) is provided with a third slot (143) for connecting the bone screw assembly (3), a slot (141) for receiving the locking assembly 4 (24), a first slot (142) for threaded connection with the locking assembly 4 (24), a second slot (146) for receiving the connecting assembly (4), a slot (144) for clamping the fastener 4 (14), and a slot (145) for observing the nesting depth of the light rod (41) or the multi-faceted rod (42) or clamping the fastener 4 (14); the locking assembly 4 (24) includes an anti-disengagement locking screw (241) and a locking member 1 (212).

[0058] Furthermore, the anti-loosening locking screw (241) is provided with a wrench slot (2411), a screw head (2412) that mates with the locking member 1 (212), a thread (2413) that mates with the fixing member 4 (14), and an anti-loosening edge (2414) that prevents it from coming off the fixing member 4 (14).

[0059] Specifically, the fixing member 4 (14) included in this module component cooperates with the locking component 4 (24). By tightening the anti-disengagement locking screw (241), the locking member 1 (212) and the light rod (41) or the multi-faceted rod (42) and the fixing member 4 (14) are locked together. At the same time, the anti-disengagement locking screw (241) is provided with an anti-disengagement edge (2414), so that when the fixing member 4 (14) and the locking component 4 (24) are not locked, the locking component 4 (24) cannot be disengaged from the fixing member 4 (14).

[0060] For example, such as Figure 7 As shown, this module assembly includes a fastener 5 (15A), a fastener 6 (15B), a locking assembly 1 (21), and a locking screw (211); wherein, the fastener 5 (15A) and the fastener 6 (15B) are toothed fasteners, the fastener 5 (15A) is provided with a first slot (15A1) for accommodating the locking assembly 1 (21), a second slot (15A2) for accommodating the connecting assembly (4), a slot (15A3) for observing the nesting depth of the light rod (41) or the multi-faceted rod (42) or for clamping the fastener 5 (15A), a third slot (15A4) for connecting the bone screw assembly (3), an anti-dislodgement mechanism (15A5) for preventing the locking assembly 1 (21) from falling out, and a mechanism for engaging with other accessories and preventing The rotating annular tooth (15A6) and the slot (15A7) for receiving the head of the locking screw (211); the fastener 6 (15B) is provided with a first slot (15B1) for receiving the locking assembly 1 (21), a second slot (15B2) for receiving the connecting assembly (4), a slot (15B3) for observing the nesting depth of the light bar (41) or the multi-faceted bar (42) or for clamping the fastener 6 (15B), a third slot (15B4) for connecting the bone screw assembly (3), an anti-dislodgement mechanism (15B5) for preventing the locking assembly 1 (21) from dislodging, an annular tooth (15B6) for engaging with other accessories and preventing rotation, and a threaded slot (15B7) for engaging with the locking screw (211).

[0061] Specifically, the two fixing ends of this module component contain a connecting mechanism, which can be fixedly connected by locking screws (211). The two fixings are connected by ring teeth, and the angle of the two fixings can be adjusted as needed to further expand the function of this module.

[0062] For example, such as Figure 8As shown, this module assembly includes a fixing member 5 (15A), a locking component 1 (21), a locking screw (211), and a toothed connector 1 (43); wherein, the fixing member 5 (15A) is a toothed fixing member, and the toothed connector 1 (43) is a connector with teeth at both ends, and is provided with an annular tooth (431) that mates with the fixing member 5 (15A) and a threaded slot (432) that mates with the locking screw (211).

[0063] Specifically, the two fasteners 5 (15A) in this module are connected in series by the toothed connector 1 (43) and fixedly connected by the locking screw (211). The fasteners 5 (15A) and the toothed connector 1 (43) are connected by the engagement of the ring teeth, and the angle of the two fasteners can be adjusted as needed to further expand the function of this module.

[0064] For example, such as Figure 9 As shown, this module assembly includes a fixing member 7 (15C), a fixing member 8 (16A), a locking component 1 (21), a locking screw (211), a toothed connector 2 (44), and a ball-head locking screw (51); wherein, the fixing member 7 (15C) is a toothed fixing member, the fixing member 8 (16A) is a ball-head locking member, the fixing member 7 (15C) has a toothed connecting mechanism on its side, which is provided with a first slot (15C1) for accommodating the locking component 1 (21), a second slot (15C2) for accommodating the connecting component (4), a slot (15C3) for clamping the fixing member 7 (15C), an anti-disengagement mechanism (15C4) for preventing the locking component 1 (21) from disengaging, an annular tooth (15C5) for engaging with other accessories and preventing rotation, and a threaded slot (15C6) for engaging with the locking screw (211); the fixing member 8 (16A) is provided with a locking mechanism for accommodating the locking component 1 (21). The first slot (16A1) of component 1 (21), the second slot (16A2) for accommodating the connecting component (4), the slot (16A3) for observing the nesting depth of the light rod (41) or the polygonal rod (42) or for clamping the fixing member 8 (16A), the third slot (16A4) for connecting the bone nail component (3), the anti-dislodgement mechanism (16A5) for preventing the locking component 1 (21) from dislodging, the slot (16A6) for accommodating and fixing the ball head, and the threaded slot (16A7) for cooperating with the ball head locking screw; the toothed connector 2 (44) is a structure with teeth on one end and a ball head on the other end, and is provided with a slot (442) for cooperating with the head of the locking screw (211), a ring tooth (441) and a connecting ball head (443); the ball head locking screw (51) is provided with a wrench slot (511), a locking thread (512) and a ball head fixing groove (513).

[0065] Specifically, the components of this module are connected in series. The fixing part 7 (15C) and the toothed connector 2 (44) are fixedly connected by locking screws (211). The fixing part 7 (15C) and the toothed connector 2 (44) are connected by ring teeth meshing, and the angle of the two fixing parts can be adjusted as needed. The toothed connector 2 (44) and the fixing part 8 (16A) are connected by ball joints and fixed by ball joint locking screws (51). The connection between the toothed connector 2 (44) and the fixing part 8 (16A) can be adjusted universally by ball joint connection mechanism.

[0066] For example, such as Figure 10 As shown, this module assembly includes a fixing member 9 (16B), a fixing member 8 (16A), a locking component 1 (21), and a ball head locking screw (51); wherein, the fixing member 9 (16B) is a ball head fixing member, the fixing member 8 (16A) is a ball socket fixing member, the fixing member 9 (16B) is provided with a first slot (16B1) for accommodating the locking component 1 (21), a second slot (16B2) for accommodating the connecting component (4), a slot (16B3) for observing the nesting depth of the light rod (41) or the polygonal rod (42) or for clamping the fixing member 9 (16B), a third slot (16B4) for connecting the bone nail component (3), an anti-dislodgement mechanism (16B5) for preventing the locking component 1 (21) from dislodging, a cylindrical surface (16B6) for connecting the ball head transition, and a connecting ball head (16B7) for connecting with the fixing member 8 (16A).

[0067] Specifically, the components of this module are connected in series. The fixing member 9 (16B) is provided with a universal ball joint, which is connected to the fixing member 8 (16A) by ball joint and fixed by ball joint locking screw (51).

[0068] For example, such as Figure 11As shown, this module assembly includes a fixing member 10 (15D), a locking component 1 (21), a locking screw (211), and a toothed connector 3 (45); wherein, the fixing member 10 (15D) is a toothed fixing member, the fixing member 10 (15D) has a toothed connecting mechanism on its side, and both end faces of the toothed connecting mechanism are provided with ring teeth, and at the same time, it is provided with a first slot (15D1) for accommodating the locking component 1 (21), a second slot (15D2) for accommodating the connecting component (4), and a slot for clamping the fixing member 10 (211). The toothed connector 3 (45) has a slot (15D3), an anti-disengagement mechanism (15D4) for preventing the locking assembly 1 (21) from disengaging, an annular tooth (15D5) for engaging with other accessories and preventing rotation, and a threaded slot (15D6) for engaging with the locking screw (211); the toothed connector 3 (45) has a slot (452) for engaging with the head of the locking screw (211), an annular tooth (451) for engaging with other connectors or fasteners, and a cylindrical surface (453) for connecting with other fasteners.

[0069] Specifically, in this module assembly, the fixing member 10 (15D) and the toothed connector 3 (45) are connected by ring teeth and fixed with locking screws (211). The fixing member 10 (15D) and the toothed connector 3 (45) can be adjusted in terms of their engagement angle.

[0070] For example, such as Figure 12 As shown, this module assembly includes a fixing member 6 (15B), a fixing member 8 (16A), a toothed connector 2 (44), a locking screw (211), a locking component 1 (21), and a ball-head locking screw (51). Specifically, this module assembly is connected in series. The fixing member 6 (15B) and the toothed connector 2 (44) are fixedly connected using the locking screw (211). The fixing member 6 (15B) and the toothed connector 2 (44) are connected by ring teeth meshing, and the angle of the two fixing members can be adjusted as needed. The toothed connector 2 (44) and the fixing member 8 (16A) are connected by a ball head and fixed using a ball-head locking screw (51). The connection between the toothed connector 2 (44) and the fixing member 8 (16A) can be universally adjusted through the ball head connection mechanism.

[0071] For example, such as Figure 13As shown, this module assembly includes a fixing member 11 (17A), a grooved universal ball joint (52), a locking component 1 (21), a locking screw (211), and an anti-loosening screw (214); wherein, the fixing member 11 (17A) is a universal ball joint fixing member, and the fixing member 11 (17A) has a universal ball connection and locking mechanism on its side, and is provided with a first slot (17A1) for accommodating the locking component 1 (21), a second slot (17A2) for accommodating the connecting component (4), a slot (17A3) for clamping the fixing member 11 (17A), and a slot for... The anti-disengagement mechanism (17A4) for preventing the locking assembly 1 (21) from disengaging includes a spherical groove (17A5) for accommodating the grooved universal ball (52), a slot (17A6) for accommodating the head of the locking screw (211), a threaded slot (17A7) for engaging with the locking screw (211), and a groove (17A8) for deformation locking. The grooved universal ball (52) is provided with a spherical convex surface (521), a deformation groove (522), a slot (523) for accommodating part of the connecting piece (4), and a protruding edge (524) for limiting.

[0072] Specifically, the fixing part 11 (17A) in this module component is provided with a mechanism for accommodating and locking the grooved universal ball (52); the principle is that the ball head locking mechanism of the fixing part 11 (17A) and the grooved universal ball (52) are provided with a deformation slot (522). When the slot (523) is connected to a mating connector, when the locking screw (211) is tightened, the fixing part 11 (17A) and the slot of the grooved universal ball (52) deform and squeeze to lock the entire component; at the same time, this part is a spherical structure, so the connector (4) can be universally connected and locked.

[0073] For example, such as Figure 14 As shown, this module assembly includes a fixing member 12 (17B), a grooved universal ball (52), a locking component 1 (21), a locking screw (211), and an anti-loosening screw (214); wherein, the fixing member 12 (17B) is a universal ball head fixing member, and the fixing member 12 (17B) has a universal ball connection and locking mechanism on its side, and is provided with a first slot (17B1) for accommodating the locking component 1 (21), a second slot (17B2) for accommodating the connecting component (4), a slot (17B3) for clamping the fixing member 12 (17B), an anti-loosening mechanism (17B4) for preventing the locking component 1 (21) from falling out, a spherical groove (17B5) for accommodating the grooved universal ball (52), a slot (17B6) for accommodating the head of the locking screw (211), a threaded slot (17B7) for cooperating with the locking screw (211), and a slot (17B8) for deformation locking.

[0074] Specifically, the fixing member 12 (17B) in this module assembly is provided with a mechanism for accommodating and locking the grooved universal ball (52); the principle is that the ball head locking mechanism of the fixing member 12 (17B) and the grooved universal ball (52) are provided with a deformation slot (522). When the slot (523) is connected to a mating connector, when the locking screw (211) is tightened, the fixing member 12 (17B) and the slot of the grooved universal ball (52) deform and squeeze to lock the entire assembly; at the same time, this part is a spherical structure, so the connector (4) can be universally connected and locked.

Claims

1. A modular orthopedic instrument for fracture treatment, characterized in that, include: A fixing component, a locking component, and a connecting component; the fixing component has at least one first slot and at least one second slot; the locking component is received in the first slot; the connecting component is received in the second slot and cooperates with the fixing component, and is movable or rotatable relative to the fixing component; the locking component is used to lock the connecting component to the fixing component; the first slot and the second slot are interconnected; the connecting component is connected to the fixing component.

2. The modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The locking assembly includes a locking screw and a locking member; the locking screw and the locking member are nested and connected in series; the locking screw has an anti-loosening edge for preventing loosening, or has a threaded hole for preventing loosening and is connected to the anti-loosening screw; the locking member has a slot for receiving the head of the locking screw, or has a threaded hole connected to the locking screw; the locking member also has a trapezoidal inclined surface that cooperates with the connecting assembly, wherein the inclined surface is a plane or a multi-faceted surface.

3. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The connecting component includes a round bar or a polygonal bar; the surface of the round bar or polygonal bar is smooth or multifaceted.

4. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The connecting assembly includes a toothed connector, wherein the teeth of the toothed connector are annular teeth; the toothed connector includes a bar connector with teeth at one end and a round bar connector at the other end, a connector with teeth at both ends, and a ball connector with teeth at one end and a ball end connector at the other end.

5. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The first slot is provided with an anti-disengagement mechanism to prevent the locking component from falling off.

6. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The first slot is a stepped threaded hole, and the locking assembly includes a locking screw and a locking member. The locking screw is threadedly connected to the first slot and drives the locking member to lock the connecting assembly and the fixing assembly.

7. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The second slot is an open slot; the connecting component is inserted into the fixing component through the open slot; the locking component includes a rotating locking member, which is accommodated in the first slot; the rotating locking member rotates to switch the locking component between an unlocked state and a locked state. In the unlocked state, the connecting component can be inserted into or removed from the open slot; In the locked state, the rotary locking member locks the connecting assembly onto the fixing assembly.

8. A modular orthopedic instrument for fracture treatment according to claim 7, characterized in that, The first slot is a stepped slot, and the locking component is accommodated in the first slot and cannot be dislodged from it.

9. A modular orthopedic instrument for fracture treatment according to claim 7, characterized in that, The locking assembly also includes a knob or locking screw for driving the rotary locking member to rotate; the locking screw is provided with an anti-disengagement mechanism for preventing disengagement, or is provided with a threaded hole for preventing disengagement and connected to the anti-disengagement screw.

10. A modular orthopedic instrument for fracture treatment according to claim 7, characterized in that, The rotating locking component has an unlocking surface and a locking surface, wherein the unlocking surface is a trapezoidal straight surface and the locking surface is a trapezoidal transition surface that transitions from an arc surface to a straight surface.

11. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The fixing component includes a toothed fastener; the fixing component is provided with a toothed connecting mechanism, which has a slot for receiving a locking screw or a threaded hole for connection.

12. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The fixing component includes a ball head fixing member and a ball socket fixing member. The ball head fixing member has a ball head at one end for connecting with the ball socket fixing member. The ball socket fixing member has a ball socket at one end for connecting with the ball head fixing member or a toothed connector. The ball socket portion has a screw locking mechanism for locking the ball head.

13. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The fixing component includes a universal ball joint fixing member, which has a slot for accommodating a grooved universal ball and a slotted screw locking mechanism for locking the grooved universal ball; the grooved universal ball has a slot for engaging with a connecting component and a slot for locking the connecting component.

14. A modular orthopedic instrument for fracture treatment according to claim 1, characterized in that, The fixation component has a number of third slots for connecting the bone screw assembly greater than or equal to zero; when the number is greater than zero, the slots for connecting the bone screw assembly are provided with concave anti-dislodgement mechanisms and cooperate with the head of the bone screw assembly; the bone screw assembly includes straight thread bone screws and ball head bone screws; the side of the fixation component is provided with slots for clamping the fixation component or observing the nesting depth of the connecting component.

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