Bone plate fixation device and bone setting device

Abstract

The present invention provides a bone plate fixing device and a bone setting device, and relates to the technical field of bone setting instruments. The bone plate fixing device provided by the present invention comprises: a composite screw, a clamping claw and a spreading insert; the composite screw has a hollow channel extending from the tail to the tip, and a side notch radially penetrating the composite screw and connecting the hollow channel; the clamping claw and the spreading insert are sequentially inserted into the hollow channel, and the spreading insert is used to squeeze the clamping claw so that the clamping claw opens to the outside of the side notch. The bone plate fixing device can anchor the composite screw in the cancellous bone through the clamping claw, and can also safely inject fillers into the clamping claw anchoring part through the hollow channel and the side notch, thereby strengthening the bonding strength between the bone plate fixing device and the fracture site, and is particularly suitable for fixing the fracture site of osteoporosis patients.

Description

Technical Field

[0001] The present invention relates to the technical field of bone setting instruments, and in particular to a bone plate fixing device and a bone setting apparatus. Background Art

[0002] In fracture surgery, a common surgical method is to use a metal plate to fix the fracture site, and fix the plate to the fracture site with screws to achieve the immobilization of the fracture site. For the elderly, since they all have varying degrees of osteoporosis, once a fracture occurs, it is more difficult to fix the fracture site than for young people. The pull-out force of the screws driven into the loose bone is very small, and it is difficult to play a good fixing role.

[0003] For osteoporotic areas, the usual approach is to add screws or inject bone cement into the screw implantation site. However, increasing the number of screws will not only cause greater trauma to the bones, but also increase the stress shielding effect, thereby causing the problem of plate loosening in the later stage; using bone cement to strengthen fixation has the risk of bone cement leakage, heat generation during the solidification process of bone cement, and embolism caused by pressurization of bone cement. It can be seen that there is a lack of safe and stable technical solutions for the fixation of fracture sites in osteoporotic patients. Summary of the invention

[0004] The object of the present invention is to provide a bone plate fixing device and a bone setting apparatus suitable for fixing the fracture site of osteoporosis patients.

[0005] In a first aspect, the present invention provides a bone plate fixing device, comprising: a composite screw, a clamping claw and a distraction insert;

[0006] The composite screw has a hollow channel extending from the tail to the tip, and a side notch penetrating radially through the composite screw and communicating with the hollow channel;

[0007] The clamping claws and the expanding insert are inserted into the hollow channel in sequence, and the expanding insert is used to squeeze the clamping claws so that the clamping claws are opened toward the outside of the side notch.

[0008] In combination with the first aspect, the present invention provides a first possible implementation of the first aspect, wherein the clamping claw is provided with an open groove, and the open groove divides the clamping claw into a first arm claw and a second arm claw;

[0009] The expansion insert is used for being inserted into the opening groove and for pressing the first arm claw and / or the second arm claw to open outward from the side groove.

[0010] In combination with the first possible implementation of the first aspect, the present invention provides a second possible implementation of the first aspect, wherein the outer side of the first arm claw and / or the outer side of the second arm claw is provided with anti-slip grooves.

[0011] In combination with the first possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the first arm claw is provided with a first opening surface, the second arm claw is provided with a second opening surface, and the first opening surface is arranged opposite to the second opening surface;

[0012] When the clamping claw is inserted into the hollow channel, the distance between the first opening surface and the second opening surface gradually decreases along the direction from the tail of the composite screw to the tip.

[0013] In combination with the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the claw is provided with a connecting portion for connecting a pulling rope.

[0014] In combination with the first aspect, the present invention provides a fifth possible implementation of the first aspect, wherein, when the claw is opened toward the outside of the side notch, there is a gap between the claw and the inner wall of the side notch.

[0015] In combination with the first aspect, the present invention provides a sixth possible implementation of the first aspect, wherein the expansion insert is configured as a vertebral structure with a tip inserted into the claw, and a tapered hole is provided at the tail of the vertebral structure.

[0016] In combination with the sixth possible implementation of the first aspect, the present invention provides a seventh possible implementation of the first aspect, wherein an outer side wall of the support insert is provided with an anti-slip groove.

[0017] In a second aspect, the present invention provides a bone setting device, comprising: a bone setting plate, a spreader, and the bone setting plate fixing device described in the first aspect;

[0018] The bone plate is connected with a composite screw, the spreader is detachably inserted in the hollow channel, and the spreader is used to push against the spreader insert so that the spreader insert spreads the claws.

[0019] In combination with the second aspect, the present invention provides a first possible implementation manner of the second aspect, wherein the bone plate is connected to a base plate, and the spreader is threadedly engaged with the base plate.

[0020] In combination with the second aspect, the present invention provides a second possible implementation of the second aspect, wherein the spreader is provided with a cone head adapted to the spreader insert.

[0021] In combination with the second aspect, the present invention provides a third possible implementation of the second aspect, wherein the bone setting device further comprises a filler, and the filler is detachably inserted into the hollow channel.

[0022] In combination with the second aspect, the present invention provides a fourth possible implementation of the second aspect, wherein the bone setting device further includes an implant;

[0023] The implanter is matched with the clamping claw and can be detachably inserted in the hollow channel to push the clamping claw to the side notch.

[0024] In combination with the fourth possible implementation of the second aspect, the present invention provides a fifth possible implementation of the second aspect, wherein the implanter comprises: a handle and a rod connected to the handle;

[0025] A first blocking piece and a second blocking piece are arranged at the end of the rod away from the handle. The first blocking piece and the second blocking piece are arranged at an interval so as to clamp the claw between the first blocking piece and the second blocking piece.

[0026] In combination with the fifth possible implementation of the second aspect, the present invention provides a sixth possible implementation of the second aspect, wherein a stopper is provided between the first stopper and the second stopper, and the stopper is used for inserting a mating claw.

[0027] In combination with the fourth possible implementation of the second aspect, the present invention provides a seventh possible implementation of the second aspect, wherein the rod is provided with a central hole for passing a pulling rope, and the pulling rope is connected to the claw.

[0028] The embodiments of the present invention bring the following beneficial effects: a composite screw is used with a hollow channel extending from the tail to the tip, and a side notch radially penetrating the composite screw and connecting the hollow channel; the claws and the expansion insert are sequentially inserted into the hollow channel; the expansion insert is used to squeeze the claws so that the claws open to the outside of the side notch; on the one hand, the claws can anchor the composite screw in the cancellous bone; on the other hand, fillers can be safely poured into the claw anchoring position through the hollow channel and the side notch, thereby enhancing the bonding strength between the bone plate fixing device and the cancellous bone.

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the related technologies, the drawings required for use in the specific embodiments or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 A schematic diagram of a bone plate fixing device provided in an embodiment of the present invention;

[0032] Figure 2 A cross-sectional view of a composite screw and a clamping claw of a bone plate fixing device provided by an embodiment of the present invention;

[0033] Figure 3 A schematic diagram of a composite screw of a bone plate fixing device provided in an embodiment of the present invention;

[0034] Figure 4 A schematic diagram of another composite screw of a bone plate fixing device provided in an embodiment of the present invention;

[0035] Figure 5 A schematic diagram of a clamping claw of a bone plate fixing device provided in an embodiment of the present invention;

[0036] Figure 6 A schematic diagram of the jaws of the bone plate fixing device provided by an embodiment of the present invention in a compressed state;

[0037] Figure 7 A schematic diagram of the jaws of the bone plate fixing device provided by an embodiment of the present invention in an open state;

[0038] Figure 8 An enlarged cross-sectional view of the tip of a composite screw of a bone plate fixing device provided in an embodiment of the present invention;

[0039] Fig. 9 A schematic diagram of a distraction insert of a bone plate fixation device provided in an embodiment of the present invention;

[0040] Fig.10 A cross-sectional view of a composite screw, a clamping claw, a distraction insert, a distractor and a base plate of a bone setting device provided by an embodiment of the present invention;

[0041] Fig.11 A schematic diagram of a composite screw, a bone plate and a connecting piece of a bone setting device provided in an embodiment of the present invention;

[0042] Fig.12 A schematic diagram of a bone setting device provided by an embodiment of the present invention installed on a bone;

[0043] Fig.13 A schematic diagram of a distractor of a bone setting device provided by an embodiment of the present invention;

[0044] Fig.14 A cross-sectional view of a composite screw, a clamping claw, a distraction insert, a filler and a base plate of a bone setting device provided by an embodiment of the present invention;

[0045] Fig.15 A cross-sectional view of a composite screw, a clamping claw and an implanter of a bone setting device provided by an embodiment of the present invention Figure 1 ;

[0046] Fig.16 A cross-sectional view of a composite screw, a clamping claw and an implanter of a bone setting device provided by an embodiment of the present invention Figure 2 ;

[0047] Fig.17 A schematic diagram of a jaw, an implanter and a pulling rope of a bone setting device provided in an embodiment of the present invention;

[0048] Fig.18 A schematic diagram of an implanter for a bone setting device provided by an embodiment of the present invention;

[0049] Fig.19 for Fig.18 A partial enlarged schematic diagram of position A in the middle;

[0050] Fig. 20 Schematic diagram of a bone plate, a base plate, a locking cap and a bone screw of a bone setting device provided in an embodiment of the present invention.

[0051] Icons: 001-composite screw; 101-hollow channel; 102-side notch; 103-gap; 104-notch; 002-claw; 201-opening slot; 202-first arm claw; 203-second arm claw; 204-anti-slip pattern; 205-first opening surface; 206-second opening surface; 207-connecting part; 003-opening insert; 301-conical hole; 302-anti-slip groove; 004-bone plate; 005- Distant; 501-cone head; 502-distant rod; 503-distant threaded portion; 504-distant screwing portion; 006-base plate; 007-implant; 701-handle; 702-rod; 703-first baffle; 704-second baffle; 705-block; 706-center hole; 707-groove; 008-pull rope; 009-filler; 010-connector; 011-locking cap; 012-bone screw. DETAILED DESCRIPTION

[0052] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0053] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" 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 invention 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Physical quantities in formulas, if not separately marked, should be understood as basic quantities of the base units of the International System of Units, or derived quantities derived from the basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0054] In the description of the present invention, 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 or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8 and Fig.11 As shown, the bone plate fixing device provided by the embodiment of the present invention includes: a composite screw 001, a claw 002 and a distraction insert 003; the composite screw 001 has a hollow channel 101 extending from the tail to the tip, and a side notch 102 radially penetrating the composite screw 001 and connecting to the hollow channel 101; the claw 002 and the distraction insert 003 are sequentially inserted into the hollow channel 101, and the distraction insert 003 is used to squeeze the claw 002 so that the claw 002 opens to the outside of the side notch 102.

[0056] The bone plate fixing device described in this embodiment can be used to fix the bone plate 004 to the fracture site, and is particularly suitable for fixing the fracture site of osteoporotic patients. The composite screw 001 is matched with the inside of the bone, and the claw 002 is squeezed by opening the insert 003, so that the claw 002 is opened to the outside of the side notch 102. The claw 002 opened outward can exert a certain squeezing effect on the surrounding cancellous bone, thereby compacting the cancellous bone and achieving anchoring. In addition, fillers (such as artificial bone or bone mud, etc.) can be poured into the vicinity of the claw 002 through the hollow channel 101 and the side notch 102, further strengthening the fixing effect.

[0057] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, in an embodiment of the present invention, the clamping claw 002 is provided with an opening groove 201, and the opening groove 201 divides the clamping claw 002 into a first arm claw 202 and a second arm claw 203; the expansion insert 003 is used to be inserted into the opening groove 201, and squeeze the first arm claw 202 and / or the second arm claw 203 to open outward from the side slot 102.

[0058] The side notches 102 may be arranged in a plurality of intervals along the circumference of the composite screw 001, or in a plurality of rows along the axial direction of the composite screw 001. Under the extrusion of the expansion insert 003, at least one of the first arm claw 202 and the second arm claw 203 is squeezed to open outward through the side notches 102.

[0059] In an optional embodiment, the outer side of the first arm claw 202 or the outer side of the second arm claw 203 is provided with an anti-slip pattern 204, or the outer sides of the first arm claw 202 and the second arm claw 203 are both provided with an anti-slip pattern 204. The claw 002 contacts the bone through the anti-slip pattern 204, thereby improving the anchoring stability.

[0060] It should be noted that the claw 002 can be made of absorbable material, preferably polylactic acid (PLA).

[0061] Furthermore, the first arm claw 202 is provided with a first opening surface 205, and the second arm claw 203 is provided with a second opening surface 206, and the first opening surface 205 and the second opening surface 206 are arranged opposite to each other; when the claw 002 is inserted into the hollow channel 101, the distance between the first opening surface 205 and the second opening surface 206 gradually decreases along the tail of the composite screw 001 to the tip direction, at this time, the opening insert 003 can still be smoothly inserted between the first opening surface 205 and the second opening surface 206, so as to automatically open the opening groove 201. Figure 6 Status extended to Figure 7 state.

[0062] like Figure 5 and Fig.17 As shown, the clamping jaw 002 is provided with a connecting portion 207 for connecting the pulling rope 008. The connecting portion 207 can be configured as a hole penetrating the clamping jaw 002, and the pulling rope 008 can pass through the hole and pull the clamping jaw 002 back toward the operating end; the connecting portion 207 can also be configured as a protrusion provided on the clamping jaw 002, and the pulling rope 008 can be tied to the protrusion, so that the clamping jaw 002 is pulled back along the hollow channel 101 by using the pulling rope 008.

[0063] See also Figure 5 , Figure 8 and Fig.14As shown, when the claw 002 is opened to the outside of the side notch 102, there is a gap 103 between the claw 002 and the inner wall of the side notch 102. When the filler is poured through the hollow channel 101, the filler can enter the area between the claw 002 and the bone through the gap 103, and the filler can be filled and solidified in the area between the first opening surface 205 and the second opening surface 206, so that the claw 002 remains in an open state, and the anchoring part is reinforced.

[0064] like Figure 8 , Fig. 9 and Fig.10 As shown, the expansion insert 003 is configured as a cone structure with a tip inserted into the claw 002, and a tapered hole 301 is provided at the tail of the cone structure.

[0065] On the one hand, the tip of the vertebral structure has the function of guiding and being inserted into the claw 002, thereby ensuring that the expansion insert 003 is accurately aligned with the claw 002; on the other hand, the tapered hole 301 can cooperate with the expander 005 to ensure that the expander 005 is aligned with the expansion insert 003, so that the expander 005 can push the expansion insert 003 along the hollow channel 101.

[0066] In an optional embodiment, the outer wall of the expansion insert 003 is provided with an anti-slip groove 302 to increase the friction resistance between the expansion insert 003 and the claw 002. When the expansion insert 003 squeezes the claw 002 to open, the friction resistance can prevent the expansion insert 003 from retreating, and the expansion insert 003 and the claw 002 maintain a fixed relative position, so that the claw 002 will remain in an open state.

[0067] like Fig.10 , Fig.11 and Fig.12 As shown, the bone setting device provided by the embodiment of the present invention includes: a bone plate 004, a spreader 005 and the bone plate fixing device recorded in the above-mentioned embodiment; the bone plate 004 is connected with a composite screw 001, the spreader 005 is detachably inserted in the hollow channel 101, and the spreader 005 is used to push against the spreader insert 003 so that the spreader insert 003 spreads the claws 002.

[0068] In an optional embodiment, the bone plate 004 is connected to the base plate 006 , and the spreader 005 is threadedly engaged with the base plate 006 . The spreader 005 is screwed to adjust the advancement size, and the spreader 005 is precisely controlled to push against the spreader insert 003 .

[0069] like Fig. 9 , Fig.10 and Fig.13 As shown, the spreader 005 is provided with a cone head 501 adapted to the spreader insert 003 , and the cone head 501 can be inserted into the cone hole 301 , so that the spreader 005 and the spreader insert 003 remain coaxial.

[0070] Specifically, the expander 005 includes an expanding rod portion 502, an expanding threaded portion 503 and an expanding screwing portion 504 which are connected in sequence as an integral structure. The cone head 501 is arranged at the end of the expanding rod portion 502 away from the expanding screwing portion 504. The expanding threaded portion 503 is matched with the base plate 006. The expanding screwing portion 504 can be configured with a cross pattern, a criss-cross pattern or a hexagonal structure to cooperate with the rotation of the screwing tool operator.

[0071] like Fig.11 , Fig.12 and Fig. 20 As shown, a locking cap 011 is installed on the outer side of the base plate 006 , and one end of the connecting piece 010 is threadedly matched with the bone plate 004 , and the other end passes through the base plate 006 and is threadedly matched with the locking cap 011 , so that the base plate 006 can be fixed relative to the bone plate 004 .

[0072] It should be noted that after the operation is completed, the locking cap 011 should be unscrewed, the base plate 006 and the connector 010 should be removed, and the bone screw 012 can be driven into the installation position of the connector 010 to connect the bone plate 004 and the bone through the bone screw 012.

[0073] like Figure 2 , Figure 3 , Figure 4 and Fig.14 As shown, the bone setting device further includes a filler 009, which is detachably inserted into the hollow channel 101. The middle part of the filler 009 is threadedly matched with the base plate 006, and the end of the filler 009 is inserted into the notch 104 at the tail of the composite screw 001, thereby ensuring that the seal between the filler 009 and the composite screw 001 is good, and the filler 009 can be used to pour fillers into the hollow channel 101.

[0074] like Fig.15 and Fig.16 As shown, the bone setting device further includes an implanter 007 ; the implanter 007 is adapted to the claw 002 , and the implanter 007 is detachably inserted into the hollow channel 101 to push the claw 002 to the side notch 102 .

[0075] The implanter 007 is used to assemble the claw 002 to a specific position in the hollow channel 101 , and the implanter 007 can cooperate with and push the claw 002 to move along the hollow channel 101 to the side notch 102 .

[0076] like Fig.15 , Fig.18 and Fig.19As shown, in an optional embodiment, the implanter 007 includes: a handle 701 and a rod 702 connected to the handle 701; a first baffle 703 and a second baffle 704 are provided at the end of the rod 702 away from the handle 701, and the first baffle 703 and the second baffle 704 are spaced apart to clamp the claw 002 between the first baffle 703 and the second baffle 704, so as to limit the rotation of the claw 002 relative to the implanter 007.

[0077] Also, see Figure 5 , Fig.15 and Fig.19 A stopper 705 is provided between the first stopper 703 and the second stopper 704. The stopper 705 is used to insert the matching claw 002. The stopper 705 is in contact with the first support surface 205 and the second support surface 206. When the claw 002 moves to the side slot 102, the stopper 705 can support the first arm claw 202 and the second arm claw 203 to open outward, so that the first arm claw 202 and the second arm claw 203 can be respectively expanded outward through the side slot 102.

[0078] like Fig.16 and Fig.17 As shown, the rod 702 is provided with a central hole 706 for passing the pulling rope 008 , and the pulling rope 008 is connected to the claw 002 .

[0079] Among them, the pulling rope 008 passes through the central hole 706 and the claw 002, and returns from the outside of the claw 002 and extends back to the operating end along the groove 707 set on the outer wall of the rod 702. The claw 002 can be pulled by pulling back the pulling rope 008. When the implanter 007 fails to push the claw 002 and aligns with the side notch 102, the claw 002 is pulled back by the pulling rope 008, and then the claw 002 is pushed again by the implanter 007 until the claw 002 is expanded outward through the side notch 102.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A bone setting device, characterized in that: include: A bone plate (004), a spreader (005) and a bone plate fixing device; The bone plate fixing device comprises: a composite screw (001), a clamping claw (002) and a distraction insert (003); The composite screw (001) has a hollow channel (101) extending from the tail to the tip, and a side notch (102) radially penetrating the composite screw (001) and communicating with the hollow channel (101); The clamping claw (002) and the expanding insert (003) are sequentially inserted into the hollow channel (101), and the expanding insert (003) is used to squeeze the clamping claw (002) so that the clamping claw (002) opens toward the outside of the side notch (102); The clamping claw (002) is provided with an opening groove (201), and the opening groove (201) divides the clamping claw (002) into a first arm claw (202) and a second arm claw (203); The expansion insert (003) is used to be inserted into the opening groove (201) and to press the first arm claw (202) and / or the second arm claw (203) to open outward from the side notch (102); The bone setting device further comprises an implanter (007), the implanter (007) being adapted to the clamping claw (002), and the implanter (007) being detachably inserted into the hollow channel (101) for pushing the clamping claw (002) to the side notch (102); The implanter (007) comprises: a handle (701) and a rod (702) connected to the handle (701); The rod (702) is provided with a central hole (706) for passing a pulling rope (008), and the pulling rope (008) is connected to the claw (002); The pulling rope (008) passes through the central hole (706) and the claw (002), and returns from the outside of the claw (002) and extends back to the operating end along the groove (707) provided on the outer wall of the rod (702).

2. The bone setting device according to claim 1, characterized in that: The outer side of the first arm claw (202) and / or the outer side of the second arm claw (203) are provided with anti-slip grooves (204).

3. The bone setting device according to claim 1, characterized in that: The first arm claw (202) is provided with a first opening surface (205), the second arm claw (203) is provided with a second opening surface (206), and the first opening surface (205) and the second opening surface (206) are arranged opposite to each other; When the claw (002) is inserted into the hollow channel (101), the distance between the first opening surface (205) and the second opening surface (206) gradually decreases in a direction from the tail of the composite screw (001) to the tip.

4. The bone setting device according to claim 1, characterized in that: The claw (002) is provided with a connecting portion (207) for connecting a pulling rope.

5. The bone setting device according to claim 1, characterized in that: When the clamping claw (002) is opened toward the outside of the side notch (102), a gap (103) is provided between the clamping claw (002) and the inner wall of the side notch (102).

6. The bone setting device according to claim 1, characterized in that: The expansion insert (003) is configured as a vertebral structure with a tip inserted into the claw (002), and a tapered hole (301) is provided at the tail of the vertebral structure.

7. The bone setting device according to claim 6, characterized in that The outer side wall of the expansion insert (003) is provided with an anti-slip groove (302).

8. The bone setting device according to any one of claims 1 to 7, characterized in that: The bone plate (004) is connected to the composite screw (001), the spreader (005) is detachably inserted into the hollow channel (101), and the spreader (005) is used to push against the spreading insert (003) so that the spreading insert (003) spreads the claws (002).

9. The bone setting device according to claim 8, characterized in that The bone fracture plate (004) is connected to a base plate (006), and the spreader (005) is threadedly engaged with the base plate (006).

10. The bone setting device according to claim 8, characterized in that The expander (005) is provided with a cone head (501) adapted to the expander insert (003).

11. The bone setting device according to claim 8, characterized in that The bone setting device further comprises a filler (009), and the filler (009) is detachably inserted into the hollow channel (101).

12. The bone setting device according to claim 1, characterized in that The end of the rod (702) away from the handle (701) is provided with a first baffle (703) and a second baffle (704), and the first baffle (703) and the second baffle (704) are arranged at an interval to clamp the claw (002) between the first baffle (703) and the second baffle (704).

13. The bone setting device according to claim 12, characterized in that A stopper (705) is provided between the first stopper (703) and the second stopper (704), and the stopper (705) is used to be inserted and matched with the clamping claw (002).

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