TWI563962B - Bone plate structure and surgery device - Google Patents

Description

Bone structure and surgical instruments

The present invention relates to a bone plate structure and a surgical instrument, and more particularly to a bone plate structure comprising a plurality of bone plates and a surgical instrument suitable for use in the bone plate structure.

In the field of orthopedics, there are many medical treatments for bone damage. It is common to use bone plates to fix damaged bones in the affected area to help the damaged bones heal. Taking the arm part of the human body as an example, it has a plurality of bones of different shapes, such as the humerus and the tibia, and the distal humerus is one of the parts where the human body is prone to fracture.

In the current surgical treatment of distal humeral fractures, in order to be able to reliably fix the damaged distal humerus by the bone plate structure, the bone plate structure is mostly T-shaped or Y-shaped, etc. The large outer diameter of the single structure, so the bone plate structure must be implanted and fixed on the distal humerus after the operation of the large wound. However, the operation of a large wound can seriously damage the soft tissue around the wrist, and the ability of the wrist to operate after surgery is also considerably adversely affected.

The present invention provides a bone plate structure that can be implanted into a bone and fixed to a bone by minimally invasive surgery.

The present invention provides a surgical instrument for facilitating implantation of a bone plate structure into an affected part and fixing to a bone by minimally invasive surgery.

The bone plate structure of the present invention is adapted to fix a bone in an affected part. The bone plate structure includes a first bone plate and a second bone plate. The first bone plate has a first overlapping portion and a first extending portion and is adapted to be moved to the bone through a wound of the affected part. The second bone plate has a second overlap and a second extension and is adapted to be moved over the bone by the wound. When the first bone plate and the second bone plate are located on the bone, the second bone plate is adapted to move relative to the first bone plate such that the first overlap portion and the second overlap portion overlap. When the first overlapping portion and the second overlapping portion are overlapped, the first extending portion and the second extending portion are relatively unfolded.

In an embodiment of the invention, when the first extension portion and the second extension portion are oppositely deployed, the maximum outer diameter of the bone plate structure in one direction between the first extension portion and the second extension portion is greater than the first bone plate edge The maximum outer diameter of the direction is greater than the maximum outer diameter of the second bone plate in the direction.

In an embodiment of the invention, the maximum outer diameter of the first bone plate in the direction is less than 1.5 cm, and the maximum outer diameter of the second bone plate in the direction is less than 1.5 cm, when the first extension portion and the first portion When the two extensions are relatively unfolded, the maximum outer diameter of the bone plate structure in the direction of the first extension portion and the second extension portion is greater than 1.5 cm.

In an embodiment of the invention, the first overlapping portion has a positioning recess. When the first overlapping portion overlaps with the second overlapping portion and the first extending portion and the second extending portion are relatively unfolded, The second stack is adapted to be positioned in the positioning recess.

In an embodiment of the invention, at least one edge of the second overlapping portion has an outline that conforms to a contour of at least one inner wall of the positioning recess, and when the second overlapping portion is positioned at the positioning recess, the edge abuts Inner wall.

In an embodiment of the invention, when the second overlapping portion is moved to the positioning recess, an inner wall of the positioning recess prevents the second overlapping portion from moving relative to the first overlapping portion.

In an embodiment of the invention, the bone plate structure has a plurality of openings, and when the first overlapping portion and the second overlapping portion are overlapped, the plurality of locking accessories are adapted to pass through the openings. The bone plate and the second bone plate are attached to the bone.

In an embodiment of the invention, the part of the openings are located in the first overlapping portion, and the other portions are located in the second overlapping portion, when the first overlapping portion and the second overlapping portion are overlapped The openings in the first stack are respectively opposite to the openings on the second stack.

In an embodiment of the invention, the first bone plate and the second bone plate are adapted to be sequentially moved through the wound to the bone.

In an embodiment of the invention, the first bone plate and the second bone plate are pivotally connected to each other, and the first bone plate and the second bone plate are adapted to be simultaneously moved to the bone through the wound, and are relatively pivoted on the bone. Turning to overlap the first stack and the second stack.

The surgical instrument of the present invention is adapted to move the above-mentioned bone plate structure into the affected part, bone The plate structure has at least one opening, and the surgical instrument includes a clamping member and at least one guiding member. The gripping member is adapted to grip the first bone plate and is adapted to grip the second bone plate. The guide has at least a uniform aperture and is adapted to be assembled to the clamp. When the clamping member holds the first bone plate or the second bone plate and the guiding member is assembled to the clamping member, the through hole extends along an axis and the axis passes through the opening.

In an embodiment of the invention, the through hole is adapted to guide a guiding tube body to extend the guiding tube body to the opening.

In an embodiment of the invention, the guiding tube body is adapted to guide a needle body so that the needle body passes through the opening and is fixed to the bone.

In an embodiment of the invention, the guiding tube body is adapted to guide a locking attachment such that the locking attachment locks the bone plate structure to the bone through the opening.

In an embodiment of the invention, the opening is located at the first extending portion, and the guiding body is when the clamping member clamps the second bone plate and the first overlapping portion overlaps with the second overlapping portion. Suitable for extending through the through hole to the opening.

In an embodiment of the invention, the number of the at least one opening is plural, and the number of the at least one guiding member is two, and the two guiding members comprise a first guiding member and a second guiding member. When the clamping member holds the first bone plate and the first guiding member is assembled to the clamping member, the corresponding axis of the through hole of the first guiding member passes through one of the openings, when the clamping member is clamped When the second bone plate is held and the second guiding member is assembled to the clamping member, the corresponding axis of the through hole of the second guiding member passes through the other of the openings.

Based on the above, the bone plate structure of the present invention includes a first bone that is relatively movable Plate and second bone plate. In the process of implanting the bone plate structure into the affected part, the first bone plate having a smaller outer diameter and the second bone plate having a smaller outer diameter may be first implanted into the affected part, and then the first bone plate located in the affected part is The relative movement of the second bone plate adjusts the bone plate structure to a shape having a larger outer diameter to adapt the bone plate structure to the fixation of the bone. Accordingly, the bone structure of the present invention can be implanted into the affected part by a large wound opening operation compared to the conventional single-plate structure having a larger outer diameter. The bone plate structure of the present invention can be smoothly performed by minimally invasive surgery. The ground is implanted into the affected part, so that the soft tissue of the affected part can be prevented from being damaged due to the operation of the large wound, and the affected part can have better activity ability after the operation.

The above described features and advantages of the invention will be apparent from the following description.

50‧‧‧

50a‧‧‧ wound

52‧‧‧ bones

60a~60m‧‧‧Lock attachment

70a~70e‧‧‧ guiding body

80a‧‧‧ needle

100‧‧‧ bone plate structure

110‧‧‧First bone plate

110a~110i, 120a~120h‧‧‧ openings

120‧‧‧Second bone plate

112‧‧‧First fold

112a‧‧‧ positioning recess

114‧‧‧First Extension

122‧‧‧Second stack

124‧‧‧Second extension

230‧‧‧ pivoting members

300‧‧‧Surgical instruments

310‧‧‧Clamping parts

320‧‧‧First guide

322, 332, 334, 336, 338‧‧ ‧ through holes

330‧‧‧Second guide

A1~A5‧‧‧ axis

D1, D2, D3‧‧‧ OD

Edge of E1, E2‧‧

W1, W2‧‧‧ inner wall

1 is a perspective view of a bone plate structure according to an embodiment of the present invention.

2 is a perspective view of the first bone plate of FIG. 1.

3 is a perspective view of the second bone plate of FIG. 1.

4A to 4E are flow charts of the bone plate structure of Fig. 1 implanted into the affected part.

Figure 5 is a perspective view of a bone plate structure in accordance with another embodiment of the present invention.

Fig. 6 is a perspective view showing a part of a surgical instrument according to an embodiment of the present invention.

FIG. 7 illustrates the first guide of FIG. 6 replaced with a second guide.

8A to 8F are operational flowcharts of the surgical instrument of Figs. 6 and 7.

1 is a perspective view of a bone plate structure according to an embodiment of the present invention. 2 is a perspective view of the first bone plate of FIG. 1. 3 is a perspective view of the second bone plate of FIG. 1. Referring to FIG. 1 to FIG. 3, the bone plate structure 100 of the present embodiment is adapted to fix a bone in the affected part, and the bone in the affected part is, for example, a distal tibia of the human body. The bone plate structure 100 includes a first bone plate 110 and a second bone plate 120. The first bone plate 110 has a first overlapping portion 112 and a first extending portion 114. The second bone plate 120 has a second overlapping portion 122 and a second extending portion 124. The first bone plate 110 and the second bone plate 120 are adapted to form a Y-shaped structure by superposing the first overlapping portion 112 and the second overlapping portion 122 as shown in FIG. 1 , and are suitable for FIG. 2 and Figure 3 is separated from each other. The manner in which the bone plate structure 100 is implanted into the affected part will be described below.

4A to 4E are flow charts of the bone plate structure of Fig. 1 implanted into the affected part. In order to make the bone and bone plate structures in the drawings clearly visible, the affected part 50 and the wound 50a in Figs. 4A to 4D are only outlined in broken lines. First, as shown in FIG. 4A, the wound portion 50a is opened in the affected part 50, and then the first bone plate 110 is moved to the bone 52 through the wound 50a of the affected part 50 as shown in FIG. 4B, and the first bone plate 110 is adjusted to an appropriate position. . Next, the second bone plate 120 is moved to the bone 52 through the wound 50a as shown in Fig. 4C, at which time the second bone plate 120 has not been moved to the predetermined position. When the first bone plate 110 and the second bone plate 120 are located on the bone 52 as shown in FIG. 4C, the second bone plate 120 is applied to move the second bone plate 120 relative to the first bone plate 110 to FIG. 4D. The position is shown such that the first overlapping portion 112 overlaps with the second overlapping portion 122. When the first stacking portion 112 When the second overlapping portion 122 is overlapped as shown in FIG. 4D, the first extending portion 114 and the second extending portion 124 are relatively unfolded. The manner of applying the force to the second bone plate 120 to move the second bone plate 120 is, for example, applying a force to the outside of the affected part to push the second bone plate 120 by the soft tissue of the affected part. However, the present invention is not limited thereto, and may be applied to the second bone plate 120 in other appropriate manners.

Referring to FIG. 4D, when the first extending portion 114 and the second extending portion 124 are oppositely deployed, the maximum outer diameter D1 of the bone plate structure 100 in the extending direction of the first extending portion 114 and the second extending portion 124 along the wound 50a is greater than The maximum outer diameter D2 of the bone plate 110 in the direction in which the wound 50a extends is greater than the maximum outer diameter D3 of the second bone plate 120 in the direction in which the wound 50a extends. In the process of implanting the bone plate structure 100 into the affected part 50 in the above manner, the first bone plate 110 having a smaller outer diameter and the second bone plate 120 having a smaller outer diameter are first implanted into the affected part 50, and then located by The relative movement of the first bone plate 110 and the second bone plate 120 in the affected part 50 adjusts the bone plate structure 100 to a shape having a larger outer diameter as shown in FIGS. 1 and 4D, so that the bone plate structure 100 Suitable for fixing the bone 50. Accordingly, the single-body structure having a larger outer diameter at the end than the conventional bone plate structure can be implanted into the affected part by a large wound invasive surgery, and the bone plate structure 100 of the present invention can be operated by minimally invasive surgery. The affected part 50 is smoothly implanted, so that the soft tissue of the affected part 50 can be prevented from being damaged by the large wound opening surgery, and the affected part 50 can have better mobility after surgery.

For example, when the first extension 114 and the second extension 124 are relatively deployed as shown in FIG. 4D, the bone plate structure 100 is at the first extension 114 and the second extension. The maximum outer diameter D1 of 124 is, for example, greater than 1.5 cm. The maximum outer diameter D2 of the first bone plate is, for example, less than 1.5 cm. The maximum outer diameter D3 of the second bone plate 120 is, for example, less than 1.5 cm. Accordingly, the above-described wound 50a only needs to be slightly larger than 1.5 cm to complete the implantation of the bone plate structure 100.

Referring to FIG. 2, the first stacking portion 112 of the present embodiment has a positioning recess 112a. When the first overlapping portion 112 and the second overlapping portion 122 are overlapped as shown in FIG. 1, the second overlapping portion 122 is adapted to be positioned at the positioning concave portion 112a of the first overlapping portion 112. In detail, the contours of the edges E1, E2 of the second overlapping portion 122 coincide with the contours of the inner walls W1, W2 of the positioning recess 112a, respectively. When the second overlapping portion 122 is moved to the positioning concave portion 112a and positioned in the positioning concave portion 112a, the edges E1, E2 of the second overlapping portion 122 respectively abut against the inner walls W1, W2 of the positioning concave portion 112a, and the positioning concave portion 112a The inner walls W1, W2 prevent the second overlapping portion 122 from moving relative to the first overlapping portion 112.

In this embodiment, the bone plate structure 100 has a plurality of openings (labeled 110a-110h and 120a-120h), wherein the openings 110a-110e are located at the first extension portion 114, and the openings 110f-110h are located at the first overlap. In the portion 112, the openings 120a-120e are located in the second extending portion 124, and the openings 120f-120h are located in the second overlapping portion 122. When the first overlapping portion 112 and the second overlapping portion 122 are overlapped as shown in FIG. 1 and FIG. 4D, the openings 110f to 110h on the first overlapping portion 112 are respectively located on the second overlapping portion 122. Openings 120f-120h, and the plurality of lock attachments 60a-60m are used to lock the first bone plate 110 and the second bone plate 120 to the bone through the openings 110a-110h and the openings 120a-120h as shown in FIG. 4E. 52. The lock attachments 60a~60m are for example screws or other suitable forms of locks The invention is not limited by the invention.

In the present embodiment, the structural strength of the bone plate structure 100 can be enhanced by superposing the second overlapping portion 122 of the second bone plate 120 on the first overlapping portion 112 of the first bone plate 110. In addition, the shape of the first bone plate 110 and the second bone plate 120 can be designed according to the surface shape of the bone 52, so that the bone plate structure 100 can be relatively attached to the bone 52, thereby preventing the bone plate structure 100 from being affected when the affected part 50 is active. The soft tissue of the affected part 50 generates friction.

As shown in FIG. 4A to FIG. 4E, the first bone plate 110 and the second bone plate 120 of the present embodiment are sequentially moved to the bone 52 through the wound 50a of the affected part 50. However, the present invention is not limited thereto, and is exemplified below by FIG. 5. Figure 5 is a perspective view of a bone plate structure in accordance with another embodiment of the present invention. In the bone plate structure 200 of FIG. 5, the configuration of the first bone plate 210, the first overlapping portion 212, the first extending portion 214, the second bone plate 220, the second overlapping portion 222, and the second extending portion 224 is The mode of action is similar to the configuration and function of the first bone plate 110, the first overlapping portion 112, the first extending portion 114, the second bone plate 120, the second overlapping portion 122, and the second extending portion 124 shown in FIG. The method will not be described here. The difference between the bone plate structure 200 and the bone plate structure 100 is that the first bone plate 210 and the second bone plate 220 are pivotally connected to each other by the pivoting member 230. The first bone plate 210 and the second bone plate 220 are adapted to be relatively pivoted from the state shown in FIG. 5 to a state having a smaller outer diameter, and then simultaneously pass through the wound of the affected part (for example, the wound 50a of the affected part 50 shown in FIG. 4A). And moved to the bone (such as the bone 52 shown in Figure 4A) and relatively pivoted on the bone to the state shown in Figure 5 to cause the first overlap 212 with The second stacking portions 222 are superposed.

Fig. 6 is a perspective view showing a part of a surgical instrument according to an embodiment of the present invention. FIG. 7 illustrates the first guide of FIG. 6 replaced with a second guide. Referring to FIG. 6 and FIG. 7 , the surgical instrument 300 of the present embodiment includes a clamping member 310 and two guiding members, and the two guiding members are respectively the first guiding member 320 and the FIG. 7 shown in FIG. 6 . The second guide 330 is shown. The clamping member 310 is adapted to clamp the first bone plate 110 and the second bone plate 120 shown in FIG. 1 to FIG. 3, and the guiding member 320 and the guiding member 330 are used to assist the first bone plate 110 and the second bone plate. The alignment and locking of the board 120 are detailed below.

In the present embodiment, the first guiding member 320 has at least a consistent hole 322 (shown as one) as shown in FIG. 6 and is adapted to be assembled to the clamping member 310. The second guiding member 330 has a structure as shown in FIG. At least a consistent aperture 332 (shown as a plurality) and adapted to be assembled to the holder 310. 8A to 8F are operational flowcharts of the surgical instrument of Figs. 6 and 7. As shown in FIG. 8A, when the clamping member 310 clamps the first bone plate 110 and the first guiding member 320 is assembled to the clamping member 310, the user can pass the first bone plate 110 through the affected portion by the clamping member 310. The wound 50a of 50 (shown in Figure 4A) is moved onto the bone 52, at which time the through hole 322 of the first guide 320 extends along the axis A1 and the axis A1 passes through the bone plate structure 100 (labeled in Figure 1). The opening (shown as the opening 110i on the first bone plate 110). Accordingly, the through hole 322 can guide a guiding tube body 70a as shown in FIG. 8B to extend the guiding tube body 70a to the opening 110i (shown in FIG. 8A), and the guiding tube body 70a can be as shown in FIG. 8C. A needle body 80a is shown to pass the needle body 80a through the opening 110i (shown in Figure 8A) and to the bone 52. The needle body 80a is, for example, a steel needle (K-pin) used in orthopedic surgery.

Next, the guiding tube body 70a shown in FIG. 8C is removed, and the second guiding member 330 is assembled to the clamping member 310 as shown in FIG. 7 instead of the first guiding member 320, and is shown by FIG. 8D. The gripping member 310 grips the second bone plate 120 and moves the second bone plate 120 through the wound 50a of the affected part 50 (shown in FIG. 4B) onto the bone 52. After the second bone plate 120 is moved onto the bone 52, the position of the second bone plate 120 is adjusted until the first bone plate 110 overlaps the second bone plate 120 (as shown in Fig. 8D). When the clamping member 310 clamps the second bone plate 120 and the first overlapping portion 112 overlaps with the second overlapping portion 122, the through hole 332 of the second guiding member 330 extends along the axis A2 and the axis A2 passes through the bone. Another opening of the plate structure 100 (shown in FIG. 1) is illustrated as an opening 110c in the first extension 114 of the first bone plate 110. Accordingly, the through hole 322 can guide a guiding tube body 70b as shown in FIG. 8E to extend the guiding tube body 70b to the opening 110c (shown in FIG. 8D) to allow the user to determine that the second bone plate 120 has been It is surely moved to the predetermined position and superposed on the first bone plate 110.

In addition, when the clamping member 310 clamps the second bone plate 120 as shown in FIG. 8D and the first overlapping portion 112 overlaps with the second overlapping portion 122, the through hole 334 of the second guiding member 330 passes through The hole 336 and the through hole 338 extend along the axis A3, the axis A4 and the axis A5, respectively, and the axis A3, the axis A4 and the axis A5 respectively pass through the opening 120h, the opening 120g and the opening 120f of the second bone plate 120. Accordingly, the through hole 334, the through hole 336 and the through hole 338 can respectively guide a guiding tube body 70c, a guiding tube body 70d and a guiding tube body 70e as shown in FIG. 8F to guide the tube body 70c. The guiding tube body 70d and the guiding tube body 70e respectively extend to the opening 120h, the opening 120g and the opening 120f (shown in FIG. 8D).

The guiding tube body 70c, the guiding tube body 70d, and the guiding tube body 70e shown in Fig. 8F And the guiding tube body 70b can respectively guide the lock attachment 60m, the lock attachment 60l, the lock attachment 60k and the lock attachment 60c shown in FIG. 4E so that the lock attachment 60m, the lock attachment 60l, the lock attachment 60k and the lock attachment 60c are respectively opened. The hole 120h, the opening 120g, the opening 120f, and the opening 110c lock the bone plate structure 100 to the bone 52. The other lock attachments shown in FIG. 4E are also locked to the bone 52 through a corresponding opening, for example, in a similar manner, and will not be described again. In addition, a greater number of replaceable guides can be utilized to accomplish the locking of the various lock attachments, which is not limited by the present invention. After the locking of the respective locking attachments is completed, the surgical instrument 300 can be removed from the affected portion 50 and the needle body 80a and all of the guiding tubes can be removed to facilitate suturing of the wound 50a.

According to the above operation mode, the lock attachment can accurately lock the bone plate structure 100 to the bone 52 through the corresponding opening by guiding the corresponding guiding member and the guiding tube body, so that no other image is needed. The positioning device assists in the attachment of the bone plate structure 100 to simplify the operational flow and cost of implanting the bone plate structure 100.

In the present embodiment, when the clamping member 310 clamps the first bone plate 110 as shown in FIG. 6, for example, the opening 310a, 110b of the first bone plate 110 is formed by the clamping member 310 (labeled in FIG. 1). The interference of the holder 310 is fixed relative to the first bone plate 110. Similarly, when the clamping member 310 grips the second bone plate 120 as shown in FIG. 7, for example, the interference between the clamping member 310 and the opening 120a, 120b of the second bone plate 120 (shown in FIG. 1) The relative position of the clamping member 310 and the second bone plate 120 is fixed. Thus, the positioning of the first bone plate 110 and the second bone plate 120 can be more accurate. Specifically, the holder 310 is at its position corresponding to the openings 110a, 110b or the openings 120a, 120b. For example, there is a positioning projection or other suitable structure for positioning with the openings 110a, 110b or the openings 120a, 120b.

In summary, the bone plate structure of the present invention includes a first bone plate and a second bone plate that are relatively movable. In the process of implanting the bone plate structure into the affected part, the first bone plate having a smaller outer diameter and the second bone plate having a smaller outer diameter may be first implanted into the affected part, and then the first bone plate located in the affected part is The relative movement of the second bone plate adjusts the bone plate structure to a shape having a larger outer diameter to adapt the bone plate structure to the fixation of the bone. Accordingly, the bone structure of the present invention can be implanted into the affected part by a large wound opening operation compared to the conventional single-plate structure having a larger outer diameter. The bone plate structure of the present invention can be smoothly performed by minimally invasive surgery. The ground is implanted into the affected part, so that the soft tissue of the affected part can be prevented from being damaged due to the operation of the large wound, and the affected part can have better activity ability after the operation. In addition, the surgical instrument of the present invention has a plurality of guide members replaceably assembled on the clamping member, and the lock attachment can accurately pass through the corresponding opening through the guiding of the corresponding guiding member and the guiding tube body. The structure of the plate is locked to the bone, so that the locking of the bone plate structure is not required by other image positioning devices, so as to simplify the operation process and cost of implanting the bone plate structure.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧ bone plate structure

110‧‧‧First bone plate

110a~110e, 110i, 120a~120h‧‧‧ openings

120‧‧‧Second bone plate

112‧‧‧First fold

114‧‧‧First Extension

122‧‧‧Second stack

124‧‧‧Second extension

Claims (15)

A bone plate structure adapted to fix a bone in an affected part, the bone plate structure comprising: a first bone plate having a first overlapping portion and a first extending portion and adapted to pass through a wound of the affected part Moving onto the bone; and a second bone plate having a second overlap and a second extension adapted to be moved over the bone by the wound, wherein the first bone plate and the second When the bone plate is located on the bone, the second bone plate is adapted to move relative to the first bone plate to overlap the first overlapping portion and the second overlapping portion, when the first overlapping portion When the second overlapping portion is overlapped, the first extending portion is opposite to the second extending portion, wherein when the first extending portion and the second extending portion are oppositely deployed, the bone plate structure is at the a maximum outer diameter of the extension portion and the second extension portion along a direction in which the wound extends is greater than a maximum outer diameter of the first bone plate along the extending direction of the wound and greater than a maximum of the second bone plate along the extension direction of the wound Outer diameter. The bone plate structure according to claim 1, wherein a maximum outer diameter of the first bone plate in the direction is less than 1.5 cm, and a maximum outer diameter of the second bone plate in the direction is less than 1.5 cm. When the extension portion is opposite to the second extension portion, the maximum outer diameter of the bone plate structure in the direction of the first extension portion and the second extension portion is greater than 1.5 cm. The bone plate structure of claim 1, wherein the first overlapping portion has a positioning recess, and when the first overlapping portion and the second overlapping portion are overlapped, the second overlapping The portion is adapted to be positioned in the positioning recess. The bone plate structure of claim 3, wherein the at least one edge of the second overlapping portion has an outline conforming to the contour of the at least one inner wall of the positioning recess, when the second overlapping portion is positioned at the When the recess is positioned, the edge abuts against the inner wall. The bone plate structure of claim 3, wherein an inner wall of the positioning recess prevents the second overlapping portion from being opposite to the first overlapping when the second overlapping portion is moved to the positioning recess Department moves. The bone plate structure of claim 1, wherein the bone plate structure has a plurality of openings, and the first overlapping portion overlaps with the second overlapping portion and the first extending portion When the second extension is relatively unfolded, the plurality of lock attachments are adapted to lock the first bone plate and the second bone plate to the bone through the openings. The bone plate structure of claim 6, wherein a part of the openings are located in the first overlapping portion, and another portion of the openings are located in the second overlapping portion, when the first overlapping portion is When the second overlapping portions are overlapped, the openings on the first overlapping portion respectively face the openings on the second overlapping portion. The bone plate structure of claim 1, wherein the first bone plate and the second bone plate are adapted to be sequentially moved to the bone through the wound. The bone plate structure of claim 1, wherein the first bone plate and the second bone plate are pivotally connected to each other, and the first bone plate and the second bone plate are adapted to be simultaneously moved through the wound to The bone is pivoted relative to the bone to overlap the first stack with the second stack. A surgical instrument adapted to be used as described in claim 1 Moving the plate structure into the affected part, the bone plate structure having at least one opening, the surgical instrument comprising: a clamping member adapted to clamp the first bone plate and adapted to clamp the second bone plate; and at least one guide a lead member having at least a uniform aperture and adapted to be assembled to the clamping member, wherein when the clamping member clamps the first bone plate or the second bone plate and the guiding member is assembled to the clamping member, the guiding member The through hole extends along an axis and the axis passes through the opening. The surgical instrument of claim 10, wherein the through hole is adapted to guide a guiding tube body to extend the guiding tube body to the opening. The surgical instrument of claim 11, wherein the guiding tube body is adapted to guide a needle body such that the needle body passes through the opening and is fixed to the bone. The surgical instrument of claim 11, wherein the guiding tube body is adapted to guide a locking attachment such that the locking attachment locks the bone plate structure to the bone through the opening. The surgical instrument of claim 11, wherein the opening is located in the first extension, when the clamping member holds the second bone plate and the first overlapping portion and the second overlapping portion When superimposed, the guiding tube body is adapted to extend to the opening by guiding the through hole. The surgical instrument of claim 10, wherein the number of the at least one opening is plural, the number of the at least one guiding member is two, and the two guiding members comprise a first guiding member and a second guiding member, when the clamping member holds the first bone plate And when the first guiding member is assembled to the clamping member, the corresponding axis of the through hole of the first guiding member passes through one of the openings, and when the clamping member holds the second When the bone plate and the second guiding member are assembled to the clamping member, the corresponding axis of the through hole of the second guiding member passes through the other of the openings.