A surgical tool for computer-assisted surgical navigation

Abstract

The application provides a surgical tool for computer-aided surgical navigation, which comprises a reference unit assembly A, a clamping rod assembly B and a holding assembly C, the reference unit assembly A comprises a mounting sleeve, a locking mechanism, a reference unit support and a reflecting ball, the reference unit support is fixed or mounted on the mounting sleeve, and the reflecting ball is arranged on the reference unit support; the clamping rod assembly B comprises a functional part, a sleeving part and a plug-in part, and the functional part is a surgical tool with different purposes; the mounting sleeve is sleeved on the sleeving part of the clamping rod assembly B; one end of the holding assembly C is provided with a handle, and the other end is matched and clamped with the plug-in part of the clamping rod assembly B. In the application, the clamping rod assembly B, the reference unit assembly A and the holding assembly C are quickly mounted and dismounted through the locking mechanism, so that medical staff can quickly and conveniently operate when using the computer-aided surgical navigation.

Description

Technical Field

[0001] This invention relates to the field of medical devices, and more particularly to a surgical tool for computer-aided surgical navigation. Background Technology

[0002] Currently, the market mainly offers ordinary surgical tools, lacking auxiliary navigation functions or with complex installation and use. This case provides a set of tools for computer-aided surgical navigation. This system allows the use of surgical tools such as hollow taps, hollow mouth openers, and hollow screw wrenches in a computer-aided surgical navigation system, and enables the rapid installation and disassembly of reference unit components. This facilitates quick and convenient operation for medical personnel when using computer-aided surgical navigation, thereby saving time. Summary of the Invention

[0003] The purpose of this invention is to provide a surgical tool for computer-aided surgical navigation, which enables the use of surgical tools such as hollow taps, hollow mouth openers, and hollow screw wrenches in a computer-aided surgical navigation system, and allows for the rapid installation and disassembly of reference unit components, facilitating quick and convenient operation for medical personnel using computer-aided surgical navigation, thereby saving time.

[0004] To achieve the above objectives, the present invention provides a surgical tool for computer-aided surgical navigation, comprising a reference unit assembly A, a clamping rod assembly B, and a gripping assembly C, wherein:

[0005] The reference unit assembly A includes a mounting sleeve, a locking mechanism, a reference unit bracket, and a reflective ball. The reference unit bracket is fixedly or detachably connected to the mounting sleeve, and at least one of the reflective balls is provided on the reference unit bracket.

[0006] The clamping rod assembly B includes a functional part, a fitting part, and an insertion part arranged in sequence. The functional part is a surgical tool with different uses. The fitting part is provided with a positioning groove. The junction between the functional part and the fitting part is provided with a protruding shoulder. The mounting sleeve is fitted onto the fitting part of the clamping rod assembly B. The locking mechanism cooperates with the positioning groove to lock it in place.

[0007] One end of the gripping component C is provided with a handle, and the other end is fitted with the insertion part of the clamping rod component B.

[0008] Furthermore, in the surgical tool for computer-aided surgical navigation, the connection method between the reference unit bracket and the mounting sleeve is not entirely limited. The two can be connected or installed through various methods such as welding, integral machining, V-groove, insertion, and locking.

[0009] Furthermore, in the surgical tool for computer-aided surgical navigation, the mounting sleeve is provided with a protruding connecting strut, the end of the connecting strut is provided with a limiting locking disc, and the limiting locking disc is provided with a mounting threaded hole and a positioning protrusion.

[0010] The bottom side of the reference unit bracket is provided with a limiting lock groove that engages with the limiting lock disc, and the limiting lock groove is provided with a positioning groove that engages with the positioning protrusion for inserting a card. The reference unit bracket is provided with a through mounting hole.

[0011] The connecting bolts lock the reference unit bracket onto the limiting lock plate at the end of the connecting strut through the mating mounting holes and mounting threaded holes.

[0012] Furthermore, in the surgical tool for computer-aided surgical navigation, the corner ends of the reference unit support are provided with reference array threaded holes, and the reflective ball is fixed in the reference array threaded holes by mounting studs.

[0013] Furthermore, in the surgical tool for computer-aided surgical navigation, the mounting sleeve is provided with a locking groove, the bottom center of the locking groove is provided with a reset slot hole, and the top side wall of the locking groove is provided with a limiting pin hole;

[0014] The locking mechanism includes a button, a locking spring, and a limiting pin. The inner side of the top of the button has a through-hole limiting groove, and the middle of the top of the button has a through-hole locking groove. The button is placed in the locking groove, the locking spring is placed in the reset groove, and the locking spring abuts against the bottom end of the button. The limiting pin passes through the limiting pin hole and the limiting groove in sequence. The sleeve passes through the mounting sleeve and the locking groove in sequence, and the bottom side of the locking groove engages with the positioning groove on the sleeve.

[0015] Furthermore, in the surgical tool for computer-aided surgical navigation, the bottom end of the button is provided with an outwardly protruding guide positioning head, and the locking spring is sleeved on the guide positioning head;

[0016] The length direction of the locking groove is consistent with the movement direction of the button in the locking groove. The inner diameter of the locking groove is greater than the outer diameter of the insertion part, and the height of the guide positioning head is less than the depth of the reset slot.

[0017] Furthermore, in the surgical tool for computer-aided surgical navigation, the functional part is a hollow tap, which is provided with a tap head, a chamfered surface and a hollow rod body in sequence from the end face, and the grooves spirally arranged on the tap head are provided with cutting grooves.

[0018] Furthermore, in the surgical tool for computer-aided surgical navigation, the functional part is a hollow mouth opener, which is provided with a mouth opener head and a hollow rod body in sequence from the end face, and the cross-section of the mouth opener head is a hexagonal groove with a rounded outer edge.

[0019] Furthermore, in the surgical tool for computer-aided surgical navigation, the functional part is a hollow screw wrench, which includes a screw wrench head, a hollow rod, a fixing sleeve, and a mounting lock sleeve. The screw wrench head is provided at the end of the hollow rod, the fixing sleeve is fitted onto the outside of the hollow rod, and the mounting lock sleeve is provided on the hollow rod. The fixing sleeve has an external thread on the outer side of its head end and a knob on its tail end.

[0020] Furthermore, in the surgical tool for computer-aided surgical navigation, the head end of the hollow screw wrench is equipped with a screw D, the screw D is threadedly connected to the external thread, and the fixing sleeve is provided with at least one hole.

[0021] Furthermore, in the surgical tool for computer-aided surgical navigation, the handle of the grip component C has different styles, namely, the handle is oval or T-shaped.

[0022] Compared with the prior art, the beneficial effects of the present invention are mainly reflected in the fact that the locking mechanism clamping rod assembly B can be quickly installed and disassembled with the reference unit assembly A and the gripping assembly C, which makes it convenient for medical personnel to operate quickly and easily when using computer-aided surgical navigation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the surgical tool used for computer-aided surgical navigation in this invention;

[0024] Figure 2 This is a schematic diagram showing the component breakdown structure of the surgical tool for computer-aided surgical navigation in this invention;

[0025] Figure 3 This is an exploded structural diagram of reference unit component A in this invention;

[0026] Figure 4 for Figure 3 A schematic diagram of the structure for installing the sleeve in the middle;

[0027] Figure 5 for Figure 3 A schematic diagram of the structure of the reference unit support;

[0028] Figure 6 This is a cross-sectional structural diagram of the locking mechanism in this invention during installation and locking.

[0029] Figure 7 for Figure 6 Cross-sectional structural diagram of EE:

[0030] Figure 8 This is a cross-sectional structural diagram of the locking mechanism during disassembly and unlocking in this invention;

[0031] Figure 9 A schematic diagram of the structure of the clamping rod assembly B in this invention when the functional part is a hollow tap;

[0032] Figure 10 for Figure 9 Enlarged structural diagram of section F in the middle:

[0033] Figure 11 This is a schematic diagram of the structure of the clamping rod assembly B in this invention when the functional part is a hollow opening device;

[0034] Figure 12 for Figure 11 A schematic diagram of the cross-sectional structure of GG;

[0035] Figure 13 This is a schematic diagram of the structure of the clamping rod assembly B in this invention when the functional part is a hollow nail wrench;

[0036] Figure 14 for Figure 13 A schematic diagram of the cross-sectional structure of HH;

[0037] Figure 15 for Figure 13 Schematic diagram of the middle fixed sleeve;

[0038] Figure 16 This is a schematic diagram of the structure of the clamping rod assembly B in this invention when the functional part is a hollow nail wrench and screw D is installed;

[0039] Figure 17 This is a schematic diagram of the structure of two different styles of handles for the grip component C in this invention.

[0040] in:

[0041] Reference unit component A:

[0042] Mounting sleeve 1, connecting support rod 11, limiting lock disc 12, mounting threaded hole 13, positioning protrusion 14, locking groove 15, reset slot hole 16, limiting pin hole 17, arc step 18;

[0043] 2. Locking mechanism; 21. Button; 211. Limiting groove; 212. Locking through groove; 213. Guide positioning head; 22. Locking spring; 23. Limiting locking pin;

[0044] Reference unit bracket 3, reflector ball 31, limit lock groove 32, positioning groove 33, mounting hole 34, connecting bolt 35, reference array threaded hole 36, mounting stud 37;

[0045] Clamping rod assembly B: Functional part 41, assembly part 42, insertion part 43, positioning slot 44, shaft shoulder 45;

[0046] Grip component C: handle 5, insertion mechanism 6;

[0047] Screw D;

[0048] 7. Hollow tap, 71. Tap head, 72. Chamfered surface, 73. Hollow rod body, 74. Groove;

[0049] 8. Hollow opening device; 81. Opening device head; 82. Hollow rod body; 83. Hexagonal groove;

[0050] Hollow top nail wrench 9, top nail wrench head 91, hollow rod body 92, fixing sleeve 93, mounting lock sleeve 94, external thread 95, knob 96, hole 97. Detailed Implementation

[0051] The surgical tool for computer-aided surgical navigation of the present invention will now be described in more detail with reference to the accompanying drawings, which illustrate preferred embodiments of the invention. It should be understood that those skilled in the art can modify the invention described herein while still achieving its advantageous effects. Therefore, the following description should be understood as being of general knowledge to those skilled in the art and is not intended to limit the invention.

[0052] In the description of this invention, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and 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. They should not be construed as limiting the specific protection scope of this invention.

[0053] In this invention, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0054] The invention is described more specifically by way of example in the following paragraphs with reference to the accompanying drawings. The advantages and features of the invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the invention.

[0055] like Figures 1 to 2 As shown, this invention proposes a surgical tool for computer-aided surgical navigation, comprising a reference unit assembly A, a clamping rod assembly B, and a gripping assembly C, wherein:

[0056] The reference unit assembly A includes a mounting sleeve 1, a locking mechanism 2, a reference unit bracket 3, and a reflective ball 31. The reference unit bracket 3 is fixedly or detachably connected to the mounting sleeve 1, and at least one reflective ball 31 is provided on the reference unit bracket 3.

[0057] The clamping rod assembly B includes a functional part, a fitting part 42, and an insertion part 43 arranged in sequence. The functional part 42 is a surgical tool with different uses. The fitting part 42 is provided with a positioning groove 44. The junction between the functional part and the fitting part 42 is provided with a protruding shoulder 45. The mounting sleeve 1 is fitted onto the fitting part 42 of the clamping rod assembly B, and the locking mechanism 2 cooperates with the positioning groove 44 to lock it in place.

[0058] One end of the grip component C is provided with a handle 5, and the other end is provided with an insertion mechanism 6. The grip component C is clamped onto the insertion part 43 of the clamping rod component B through the insertion mechanism 6.

[0059] Furthermore, such as Figure 3 and Figure 5 As shown, each corner of the reference unit bracket 3 is provided with a reference array threaded hole 36, and the reflective ball 31 is fixed in the reference array threaded hole 36 by a mounting stud 37. That is, the mounting stud 37 is threadedly fixed in the reference array threaded hole 36, and the reflective ball 31 is threadedly mounted on the mounting stud 37.

[0060] Preferably, such as Figure 3 and Figure 5 As shown, in this embodiment, the reference unit bracket 3 is X-shaped, with four reflective balls 31 installed at each end corner. However, depending on actual needs, the reference unit assembly A can generate many different reference unit brackets 3 based on the different distances between the reflective balls 31.

[0061] Meanwhile, since the connection method between the reference unit bracket 3 and the mounting sleeve 1 is not completely limited, the two can be connected or installed in various ways such as welding, integral processing, V-groove, insertion, and locking.

[0062] Preferably, in this embodiment, such as Figure 3As shown, the mounting sleeve 1 is provided with a protruding connecting rod 11, and the end of the connecting rod 11 is detachably connected to the bottom side of the reference unit bracket 3.

[0063] Specifically, such as Figure 4 As shown, the end of the connecting strut 11 is provided with a limiting lock disc 12, which has a threaded mounting hole 13 and two positioning protrusions 14. Figure 5 As shown, the bottom side of the reference unit bracket 3 is provided with a limiting lock groove 32 that cooperates with the limiting lock disc 12 for locking. The limiting lock groove 32 is provided with a positioning groove 33 that cooperates with the positioning protrusion 14 for inserting a card. The reference unit bracket 3 is provided with a through mounting hole 34.

[0064] like Figures 3 to 5 As shown, in conjunction with the corresponding snap-fit ​​structure of the mounting sleeve 1 and the reference unit bracket 3, the mounting bolt 35 locks the reference unit bracket 3 onto the limiting locking plate 12 at the end of the connecting support rod 11 through the matching mounting hole 34 and the mounting threaded hole 13. That is, the mounting bolt 35 locks the reference unit bracket 3 and the mounting sleeve 1 together.

[0065] Specifically, such as Figures 3 to 4 As shown, in order to cooperate with the locking relationship between the mounting sleeve 1 and the clamping rod assembly B, the mounting sleeve 1 is provided with a locking groove 15, the bottom center of the locking groove 15 is provided with a reset slot hole 16, and the top side wall of the locking groove 15 is provided with a limiting pin hole 17.

[0066] Furthermore, such as Figures 3 to 4 As shown, the mounting sleeve 1 has a locking groove 15 at the wide end and the rest at the narrow end. That is, the radius of the wide end is larger than that of the narrow end, and there is a transition arc step 18 between the wide end and the narrow end. The wide end is used to reserve its internal space to facilitate the built-in locking mechanism 2 to perform clamping operation on the clamping rod assembly B.

[0067] At the same time, such as Figures 3 to 8 As shown, the locking mechanism 2 includes a button 21, a locking spring 22, and a limiting pin 23. The inner side of the top of the button 21 is provided with a through limiting groove 211, and the middle of the top of the button 21 is provided with a through locking groove 212. The bottom of the button 21 is provided with an outwardly protruding guide positioning head 213. The button 21 is placed in the locking groove 15, and the locking spring 22 is placed in the reset groove 16. The locking spring 22 is sleeved on the guide positioning head 213, that is, one end of the locking spring 22 abuts against the bottom side of the reset groove 16, and the other end abuts against the bottom side of the button 21. The limiting pin 23 passes through the limiting pin hole 17 and the limiting groove 211 in sequence. The sleeve part 42 passes through the mounting sleeve 1 and the locking groove 212 in sequence, and the bottom side of the locking groove 212 engages with the positioning groove 44 on the sleeve part 42.

[0068] Among them, such as Figure 7As shown, the length direction of the locking groove 212 is consistent with the movement direction of the button 21 in the locking groove 15. The inner diameter of the locking groove 212 is larger than the outer diameter of the insertion part 43. The height of the guide positioning head 213 is smaller than the depth of the reset groove 16, so that the button 21 can be pressed and moved in the locking groove 15 to fit and engage with the positioning groove 44 on the sleeve part 42.

[0069] Therefore, as Figures 6 to 8 As shown, when button 21 is pressed, with the cooperation of locking spring 22, button 21 moves up and down along the long groove of limiting groove 211 via limiting locking pin 23. The position of locking groove 212 moves up and down accordingly with button 21, so that the sleeve part 42 passing through locking groove 212 cooperates to complete the locking or unlocking work. That is, when locking groove 212 moves upward, the bottom side of locking groove 212 engages with positioning groove 44 of sleeve part 42; when locking groove 212 moves downward, the bottom side of locking groove 212 disengages from positioning groove 44 of sleeve part 42. Preferably, the bottom side of locking groove 212 has an arc structure, which can better engage with positioning groove 44 and prevent the two from easily disengaging under external force during engagement.

[0070] To fully utilize the mounting component structure used in conjunction with auxiliary surgical tools, different surgical tools with different purposes can be used according to actual surgical needs. That is, clamping rod components B with different functional parts 4 structures can be replaced to achieve multi-purpose functionality. The following are various structures of clamping rod components B:

[0071] Among them, such as Figures 9 to 10 As shown, the functional part is a hollow tap 7. The hollow tap 7 is provided with a tap head 71, a chamfered surface 72 and a hollow rod body 73 in sequence from the end face. The grooves spirally arranged on the tap head 71 are provided with a cutting groove 74.

[0072] Among them, such as Figures 11 to 12 As shown, the functional part is a hollow opening device 8. The hollow opening device 8 is provided with an opening device head 81 and a hollow rod body 82 in sequence from the end face. The cross-section of the opening device head 81 is a hexagonal groove 83 with an outer arc edge. The central through hole of the opening device head 81 is connected to the hollow structure of the hollow rod body 82.

[0073] Among them, such as Figures 13 to 15 As shown, the functional part is a hollow top-mounted wrench 9. The hollow top-mounted wrench 9 includes a top-mounted wrench head 91, a hollow rod body 92, a fixing sleeve 93, and a mounting lock sleeve 94. The top-mounted wrench head 91 is located at the end of the hollow rod body 92. The fixing sleeve 93 is fitted onto the outside of the hollow rod body 92, and the mounting lock sleeve 94 is located on the hollow rod body 92. The outer side of the head end of the fixing sleeve 93 has an external thread 95, and the tail end of the fixing sleeve 93 has a knob 96. Figure 16As shown, the head end of the hollow top-mounted screw wrench 9 can be fitted with various types of screws D. The screws D are threadedly connected to the external thread 95, and the fixing sleeve 93 has at least one hole 97. The central through hole of the screw D, the central through hole of the top-mounted screw wrench head 91, and the hollow structure of the hollow rod body 92 are sequentially connected.

[0074] In addition, the handle 5 of the grip component C has different styles, such as Figure 1 and Figure 17 As shown, if the handle 5 is an oval-shaped grip, it is easy to hold and has grooves and ridges on the surface to facilitate the application of force; if the handle 5 is a T-shaped wrench, it is easy to grip and apply force, and there is no need to set additional grooves to assist in applying force.

[0075] The specific operational details are as follows:

[0076] like Figure 6 As shown, during assembly, the sleeve part 42 is inserted into the through hole of the mounting sleeve 1 in the reference unit component A, the shoulder 45 abuts against the front end of the mounting sleeve 1, and when the sleeve part 42 moves to the inside of the locking groove 212 in the button 21, that is, when the positioning slot 44 is aligned with the bottom side of the locking groove 212, the button 21 is locked into the positioning slot 44 under the action of the locking spring 22; then the grip component C is installed on the insertion part 43 accordingly, and the entire surgical tool is assembled.

[0077] like Figure 7 As shown, the handle 5 is separated from the insertion part 43 and removed. Then, the button 21 is pressed down. The bottom side of the locking groove 212 in the button 21 disengages from the positioning slot 44 and moves out of the reference unit assembly A along the axis of the clamping rod assembly B. All parts of the entire surgical tool are disassembled.

[0078] Since the hollow tap 7, hollow opening tool 8, and hollow nail wrench 9 exemplified in this embodiment are all clamping rod assemblies B with only differences in functional structure, and their tail ends have the same fitting part 42 and insertion part 43, while the reference unit assembly A and the gripping assembly C are universal parts, they can be installed on clamping rod assemblies B with different structural and functional parts. At the same time, the handle 5 of the gripping assembly C has various different styles and is directly installed on the tail end of the clamping rod assembly B for gripping and use.

[0079] In addition, such as Figure 15 As shown, taking the hollow top nail wrench 9 as an example, by rotating the knob 96, the thread 95 is made to engage with the screw D, thereby installing or removing the screw D from the hollow top nail wrench 9.

[0080] In summary, in this embodiment, the proposed surgical tool for computer-aided surgical navigation enables quick installation and disassembly of the clamping rod assembly B, the reference unit assembly A, and the gripping assembly C through a locking mechanism, facilitating quick and convenient operation for medical personnel when using computer-aided surgical navigation.

[0081] The above are merely preferred embodiments of the present invention and do not constitute any limitation on the present invention. Any equivalent substitutions or modifications made by those skilled in the art to the technical solutions and content disclosed in the present invention without departing from the scope of the present invention shall be deemed to have remained within the scope of protection of the present invention.

Claims

1. A surgical tool for computer-aided surgical navigation, characterized in that, This includes reference unit component A, clamping rod component B, and gripping component C, wherein: The reference unit assembly A includes a mounting sleeve (1), a locking mechanism (2), a reference unit bracket (3), and a reflective ball (31). The reference unit bracket (3) is fixedly or detachably connected to the mounting sleeve (1), and at least one of the reflective balls (31) is provided on the reference unit bracket (3). The clamping rod assembly B includes a functional part (41), a fitting part (42), and an insertion part (43) arranged in sequence. The functional part (41) is a surgical tool with different uses. The fitting part (42) is provided with a positioning groove (44). The junction between the functional part and the fitting part (42) is provided with a protruding shoulder (45). The mounting sleeve (1) is fitted onto the fitting part (42) of the clamping rod assembly B. The locking mechanism (2) cooperates with the positioning groove (44) to lock it in place. One end of the gripping component C is provided with a handle (5), and the other end is fitted with the insertion part (43) of the clamping rod component B; The mounting sleeve (1) is provided with a protruding connecting support rod (11), and the end of the connecting support rod (11) is provided with a limiting lock plate (12). The limiting lock plate (12) is provided with a mounting threaded hole (13) and a positioning protrusion (14). The reference unit bracket (3) has a limiting lock groove (32) on its bottom side that engages with the limiting lock disc (12). The limiting lock groove (32) has a positioning groove (33) that engages with the positioning protrusion (14) for inserting a card. The reference unit bracket (3) has a through mounting hole (34). The connecting bolt (35) locks the reference unit bracket (3) onto the limiting lock plate (12) at the end of the connecting strut (11) through the mating mounting hole (34) and the mounting threaded hole (13); The mounting sleeve (1) is provided with a locking groove (15), the bottom center of the locking groove (15) is provided with a reset slot hole (16), and the top side wall of the locking groove (15) is provided with a limiting pin hole (17). The locking mechanism (2) includes a button (21), a locking spring (22) and a limiting pin (23). The inner side of the top of the button (21) is provided with a through limiting groove (211), and the middle of the top of the button (21) is provided with a through locking groove (212). The button (21) is placed in the locking groove (15), the locking spring (22) is placed in the reset groove (16), and the locking spring (22) abuts against the bottom end of the button (21). The limiting pin (23) passes through the limiting pin hole (17) and the limiting groove (211) in sequence. The sleeve (42) passes through the mounting sleeve (1) and the locking groove (212) in sequence, and the bottom side of the locking groove (212) engages with the positioning groove (44) on the sleeve (42). The bottom end of the button (21) is provided with an outwardly protruding guide positioning head (213), and the locking spring (22) is sleeved on the guide positioning head (213); The length direction of the locking groove (212) is consistent with the movement direction of the button (21) in the locking groove (15). The inner diameter of the locking groove (212) is greater than the outer diameter of the insert part (43). The height of the guide positioning head (213) is less than the depth of the reset slot (16).

2. The surgical tool for computer-aided surgical navigation according to claim 1, characterized in that, The reference unit bracket (3) is provided with reference array threaded holes (36) at its corners, and the reflective ball (31) is fixed in the reference array threaded holes (36) by mounting studs (37).

3. The surgical tool for computer-aided surgical navigation according to claim 1, characterized in that, The functional part is a hollow tap (7). The hollow tap (7) is provided with a tap head (71), a chamfered surface (72) and a hollow rod body (73) in sequence from the end face. The grooves spirally arranged on the tap head (71) are provided with a cutting groove (74).

4. The surgical tool for computer-aided surgical navigation according to claim 1, characterized in that, The functional part is a hollow opening device (8). The hollow opening device (8) is provided with an opening head (81) and a hollow rod body (82) in sequence from the end face. The cross section of the opening head (81) is a hexagonal groove (83) with a rounded edge on the outside.

5. The surgical tool for computer-aided surgical navigation according to claim 1, characterized in that, The functional part is a hollow top nail wrench (9). The hollow top nail wrench (9) includes a top nail wrench head (91), a hollow rod body (92), a fixing sleeve (93), and a mounting lock sleeve (94). The top nail wrench head (91) is provided at the end of the hollow rod body (92). The fixing sleeve (93) is fitted on the outside of the hollow rod body (92), and the mounting lock sleeve (94) is provided on the hollow rod body (92). The fixing sleeve (93) has an external thread (95) on the outside of its head end, and a knob (96) is provided at the tail end of the fixing sleeve (93).

6. The surgical tool for computer-aided surgical navigation according to claim 5, characterized in that, The head end of the hollow top nail wrench (9) is fitted with a screw D, which is threadedly connected to the external thread (95). The fixing sleeve (93) is provided with at least one hole (97).

7. The surgical tool for computer-aided surgical navigation according to claim 1, characterized in that, The handle (5) of the grip component C has different styles, namely, the handle (5) is oval or T-shaped.

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