Dissecting device for spinal surgery

The surgical device addresses fit and stability issues by using adjustable frames and hinge connection members, improving the surgical exposure process in spinal surgery.

JP7705590B1Active Publication Date: 2025-07-10TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH
View PDF 7 Cites 0 Cited by

Patent Information

Application Number
JP2025015748
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2025-01-15
Filing Date
2025-02-01
Publication Date
2025-07-10
Estimated Expiration
2045-02-01

AI Technical Summary

Technical Problem

Existing surgical devices for spinal surgery face issues with poor fit to the non-planar human back, leading to interference and instability during operations.

Method used

A surgical device comprising connection frames, incision mechanisms, and hinge connection members that allow for adjustable fitting to the patient's back, utilizing arcuate frame bodies and hinge connection members with varying lengths and anti-slip patterns to enhance stability and ease of use.

Benefits of technology

The device provides improved fit and stability, reducing operational difficulties by allowing better attachment to the patient's back and enhancing the convenience of surgical exposure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 0007705590000001_ABST
    Figure 0007705590000001_ABST
Patent Text Reader

Abstract

Provided is a surgical device for spinal surgery. 【Solution means】The surgical device for spinal surgery includes a surgical mechanism mounting frame 1, a first surgical mechanism 2, a second surgical mechanism 3, a third surgical mechanism 4, and a fourth surgical mechanism 5. Both ends of the surgical mechanism mounting frame are respectively attached to the positioning seats on both sides of the operating table via the first-stage connection frame 6 and the second-stage connection frame 7. The first surgical mechanism and the second surgical mechanism have the same structure. By configuring the surgical mechanism mounting frame by combining the first arc-shaped frame body, the second arc-shaped frame body, the first hinge connection member, and the second hinge connection member, the surgical mechanism mounting frame can be bent within a certain angle range, and the surgical mechanism mounting frame can be better adhered to the patient's back. Therefore, it is possible to avoid the situation where the surgical mechanism is too high and makes the surgery difficult for doctors and nurses.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention of the present application relates to the related technical field of medical devices, and specifically, to a surgical device for spinal surgery.

Background Art

[0002] During spinal surgery, usually, it is necessary to use a retractor or a surgical device to perform the exposure step in the surgery. As the basic process of exposure in the surgery, the surface skin of the human back is incised, and a retractor or a surgical device is used in the incision to expand the human tissue below the incision, so that the spinal part in the body is in an ideal exposed state, facilitating the surgery by medical staff.

[0003] Chinese Patent with Publication No. CN108201453B discloses a multi-directional surgical device for spinal surgery. According to the solution, it includes a fixed ring and a plurality of surgical assemblies. The surgical assembly includes a surgical flat hook, a vertebral body fixing hook, and a connecting member. The surgical flat hook is in the shape of a long strip, and a position limiting hole penetrating the surgical flat hook is formed in the length direction. The vertebral body fixing hook includes a threaded head at the front end and an engaging block at the rear end. The vertebral body fixing hook is inserted into the position limiting hole, the engaging block is engaged with and abuts against the surgical flat hook, the threaded head extends out through the positioning hole, the connecting member and the fixed ring are fitted and connected, and the surgical flat hook is connected to the connecting member through a pull rod.

[0004] However, since the fixed ring in the above solution is integral and the back of the human body is non-planar, it cannot fit well with the back of the human body, so the fixed ring may interfere with the operation of medical staff to a certain extent. In addition, since the fixed ring is of an open type, the positioning stability of the formed fixed ring is likely to be insufficient. Therefore, in order to solve the above problems, the present application proposes a surgical device for spinal surgery.

Summary of the Invention

Problems to be Solved by the Invention

[0005] The object of the invention of the present application is to provide a surgical device for spinal surgery to solve the problems raised in the above-mentioned background art.

Means for Solving the Problems

[0006] In order to achieve the above object, the invention of the present application proposes the following technical solutions. The surgical device for spinal surgery includes connection frames with both ends respectively No. 1 and No. 2 is attached to the positioning seats on both sides of the operating table through the connection frames, and the incision mechanism mounting frame arranged on the upper side of the patient's back, a first incision mechanism attached to the incision mechanism mounting frame, and a second incision mechanism attached to the incision mechanism mounting frame and having the same structure as the first incision mechanism, a third incision mechanism arranged symmetrically with the first incision mechanism, a fourth incision mechanism arranged symmetrically with the second incision mechanism, and the muscle tissue near the surgical incision on the patient's back is spread outward by the first incision mechanism, the second incision mechanism, the third incision mechanism, and the fourth incision mechanism.

[0007] Preferably, the incision mechanism mounting frame includes a first arcuate frame body, a second arcuate frame body, a first hinge connection member, and a second hinge connection member. The first arcuate frame body and the second arcuate frame body have the same structure. The first arcuate frame body and the second arcuate frame body are connected through the first hinge connection member and the second hinge connection member. The first hinge connection member and the second hinge connection member have the same structure. The first hinge connection member and the second hinge connection member are both formed by combining a first connection part and a second connection part. The first connection part and the second connection part are rotatably connected through a first hinge connection shaft.

[0008] Preferably, both the first hinge connection member and the second hinge connection member have a plurality of model numbers, and the first hinge connection members and the second hinge connection members of different model numbers are set such that their lengths gradually increase.

[0009] Preferably, both ends of the first arcuate frame body, both ends of the second arcuate frame body, the Connected to the first arcuate frame body or the second arcuate frame body outer end of the first connection portion, and the Connected to the first arcuate frame body or the second arcuate frame body outer end of the second connection portion are all A difference is provided One end of the first arcuate frame body, one end of the second arcuate frame body, and the Connected to the first arcuate frame body or the second arcuate frame body outer ends of the first connection portion all have For connection slots formed therein, and the For connection slots are U-shaped slots, and For connection at the root of the slot, a zac rivet hole is formed. At the other end of the first arcuate frame body, the other end of the second arcuate frame body, and the Connected to the first arcuate frame body or the second arcuate frame body outer ends of the second connection portion, first screw holes are all formed. The edge positions of the first arcuate frame body, the second arcuate frame body, and the second connection portion are all Melting abutted against the alignment posts. The diameter of the zac rivet hole is For connection larger than the width of the slot. When actually assembling the first arcuate frame body, the second arcuate frame body, the first hinge connection member, and the second hinge connection member, the Connected alignment posts are engaged in the adjacent For connection slots, and the adjacent zac rivet holes and the first screw holes are provided so as to overlap. The adjacent zac rivet holes and the first screw holes are aligned and connected via positioning bolts.

[0010] Preferably, each of the first opening mechanism, the second opening mechanism, the third opening mechanism, and the fourth opening mechanism is formed by combining a mounting member, an adjustment rod, No. 1 a tightening member, and an opening portion. The mounting member includes a mounting ferrule, No. 1 a positioning seat of the No. 2 and a positioning seat of the No. 1 The positioning seat of the No. 2 and the positioning seat of theNo. 1 Positioning holes are formed, and the adjusting rod is No. 1 disposed within the positioning holes, and a tension ring is formed by bending at the outer end.

[0011] Preferably, the mounting ferrule includes a lower ferrule body, an upper ferrule body, and an elastic connection portion. The lower ferrule body, the upper ferrule body, and the elastic connection portion are integrally formed. At the end openings of the lower ferrule body and the upper ferrule body, there are respectively No. 1 a lug plate of No. 2 and No. 1 a lug plate of No. 2 is integrally formed. Thread holes of No. 2 are formed in the lug plate of No. 2 and mounting holes of No. 1 are formed in the lug plate of No. 1 The positioning seat of Melting is in contact with the side edge of the lug plate of No. 2 and is integrally formed with the side surface of the lug plate of No. 2

[0012] Preferably, the tightening member of No. 1 includes No. 1 a screw of No. 1 a nut of No. 1 and a knob of No. 1 The screw of No. 1 the nut of No. 1 and the knob of No. 1 are integrally formed. When the tightening member of No. 1 is actually installed, the screw of No. 2 passes through the mounting hole of No. 2 and is screwed into the thread hole of No. 1 When the tightening member of No. 1 is actually tightened, the lower ferrule body and the upper ferrule body embrace the innovation mechanism mounting frame, No. 2 and the positioning seat of

[0013] Preferably, the innovation part includes a mounting seat and No. 1 a clamp seat of No. 2The tightening member, No. 2 The clamp seat, No. 3 The clamp seat, the opening flat hook, and the mounting seat is welded to the inner end of the adjusting rod, and a hinge connection seat is Melting Connected to the mounting seat, the No. 1 The clamp seat is rotatably connected to the hinge connection seat via a second hinge connection shaft, and the mounting seat has No. 2 A screw hole is formed, and the No. 1 The clamp seat has No. 2 A bolt hole is formed, and the No. 2 The bolt hole is a semi-conical frustum-shaped hole, and both the mounting seat and No. 1 The clamp seat have No. 2 Positioning holes are formed, and the No. 2 On the side wall of the clamp seat, No. 2 A connecting shaft is integrally formed, and the No. 2 The connecting shaft is No. 2 Disposed in the positioning hole, No. 2 On the connecting shaft, No. 1 A limit ring and No. 2 A limit ring are integrally formed, and the No. 1 The distance between the limit ring and No. 2 The limit ring is No. 2 The same as the depth of the positioning hole, and the No. 2 The tightening member includes No. 2 A screw, No. 2 A nut, No. 2 A knob, and the No. 2 The screw, No. 2 The nut, No. 2 The knob are integrally formed. When the No. 2 The tightening member is actually installed, the No. 2 The screw passes through No. 2 The bolt hole and is No. 2 Threaded into the screw hole, and the No. 2 The aperture of the bolt hole is No. 2 Larger than the diameter of the No. 2 Screw and smaller than the bottom diameter of the

[0014] Preferably, at the end of the No. 2 Clamp seat, No. 2The hinge connection seat is integrally formed, and the No. 3 At the end of the clamp seat, there is No. 3 The hinge connection seat is integrally formed, and the No. 2 The hinge connection seat and No. 3 The hinge connection seat are rotatably connected via a third hinge connection shaft. The innovative flat hook is provided in an inverted L shape. At the upper end of the innovative flat hook, there is No. 3 The connection shaft is integrally formed, and the No. 3 At the upper end of the connection shaft, there is No. 3 The limit ring is integrally formed, and the No. 2 The clamp seat and No. 3 The clamp seat both have No. 3 The positioning holes are formed. The No. 3 The connection shaft is No. 3 Disposed within the positioning hole. When the No. 2 The fastening member is actually tightened, the mounting seat and No. 1 The clamp seat No. 2 Clamp the connection shaft. Also, in this case, the No. 2 Side wall of the nut functions to abut against the No. 3 Side surface of the clamp seat. Also, in this case, the No. 2 The clamp seat and No. 3 The clamp seat No. 3 Clamp the connection shaft.

[0015] Preferably, on the side wall of the No. 1 Positioning hole, there is No. 1 The anti-slip pattern is integrally formed. On the side wall of the adjustment rod, there is No. 2 The anti-slip pattern is integrally formed. The No. 1 The anti-slip pattern has a semi-circular ring structure with a semi-circular cross-section. The No. 2 The anti-slip pattern has an annular protrusion structure with a semi-circular cross-section. The No. 1 The anti-slip pattern and No. 2 The anti-slip pattern are provided to fit together. When the No. 1 Positioning seat and No. 2 The positioning seat clamp the adjustment rod, the No. 1 The anti-slip pattern and No. 2 The anti-slip pattern mesh with each other. On the side wall of the No. 2 Positioning hole, there isNo. 3 The anti-slip pattern of No. 2 is formed, and on the side wall of the connecting shaft of No. 4 the anti-slip pattern of No. 3 the anti-slip pattern and No. 4 the anti-slip pattern of No. 3 the anti-slip pattern and No. 4 the anti-slip pattern of No. 3 the anti-slip pattern and No. 4 the anti-slip pattern are both rod-shaped protrusion structures with a semi-circular cross-section, No. 1 the anti-slip pattern of No. 2 the connecting shaft are provided so as to fit together. When the mounting seat and No. 3 the anti-slip pattern of No. 4 the anti-slip pattern of No. 3 the positioning hole sandwich the connecting shaft of No. 5 the anti-slip pattern is formed, and on the side wall of the connecting shaft of No. 3 the anti-slip pattern of No. 6 the connecting shaft is formed, No. 5 the anti-slip pattern and No. 6 the anti-slip pattern are both rod-shaped protrusion structures with a semi-circular cross-section, No. 5 the anti-slip pattern and No. 6 the anti-slip pattern are both provided circumferentially at equal intervals with a margin, No. 5 the anti-slip pattern of No. 6 the anti-slip pattern are provided so as to fit together, No. 2 the clamp seat and No. 3 the clamp seat sandwich No. 3 the connecting shaft. When No. 5 the anti-slip pattern of No. 6 the anti-slip pattern mesh with each other.

[0016] Compared with the prior art, the beneficial effects of the invention of the present application are as follows.

[0017] 1. Dispose an incision device for spinal surgery formed by combining an incision mechanism mounting frame, a first incision mechanism, a second incision mechanism, a third incision mechanism, and a fourth incision mechanism. By configuring the incision mechanism mounting frame by combining a first arcuate frame body, a second arcuate frame body, a first hinge connecting member, and a second hinge connecting member, the incision mechanism mounting frame can be bent within a certain angle range, and it is possible to make the incision mechanism mounting frame fit better on the patient's back. Therefore, it is possible to avoid the situation where the incision mechanism is too high and makes the surgery difficult for doctors and nurses.

[0018] 2. Configure the first incision mechanism, the second incision mechanism, the third incision mechanism, and the fourth incision mechanism by combining attachment members, adjustment rods, No. 1 tightening members, and incision parts. Configure the attachment member by combining a mounting ferrule, No. 1 positioning seats, No. 2 positioning seats. Configure the mounting ferrule by combining a lower ferrule body, an upper ferrule body, and an elastic connection part. By doing so, No. 1 the mounting ferrule can be fixed to the incision mechanism mounting frame by tightening the tightening member, and the positioning of the adjustment rod can be realized. Therefore, it is possible to effectively improve the convenience during the actual use of the incision device.

Brief Description of the Drawings

[0019]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15

Figure 16

Figure 17

Figure 18

Figure 19

Mode for Carrying Out the Invention

[0020] Hereinafter, in combination with the accompanying drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. It is obvious that the described embodiments are only a part of the embodiments of the present application, not all of them. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0021] Referring to FIGS. 1 to 19, the present application provides embodiments according to the following five preferred solutions.

[0022] In Example 1, referring to FIGS. 1 to 4 and FIGS. 17 to 19, the surgical device for spinal surgery includes a dissection mechanism mounting frame 1, a first dissection mechanism 2, a second dissection mechanism 3, a third dissection mechanism 4, and a fourth dissection mechanism 5. Both ends of the dissection mechanism mounting frame 1 are respectively No. 1 connected to the connection frame 6 of No. 2 and the connection frame 7 of

[0023] and are attached to the positioning seats on both sides of the operating table through the connection frame 7 of No. 2 connected to the connection frame 6 of No. 1 . The dissection mechanism mounting frame 1 is disposed above the patient's back. The first dissection mechanism 2 is attached to the dissection mechanism mounting frame 1. The second dissection mechanism 3 is attached to the dissection mechanism mounting frame 1. The second dissection mechanism 3 and the first dissection mechanism 2 have the same structure. The third dissection mechanism 4 and the first dissection mechanism 2 are symmetrically arranged. The fourth dissection mechanism 5 and the second dissection mechanism 3 are symmetrically arranged. The muscle tissue near the surgical incision on the patient's back is spread outward by the first dissection mechanism 2, the second dissection mechanism 3, the third dissection mechanism 4, and the fourth dissection mechanism 5.The pioneering mechanism mounting frame 1 includes a first arcuate frame body 8, a second arcuate frame body 9, a first hinge connecting member 10, and a second hinge connecting member 11. The first arcuate frame body 8 and the second arcuate frame body 9 have the same structure. The first arcuate frame body 8 and the second arcuate frame body 9 are connected via the first hinge connecting member 10 and the second hinge connecting member 11. The first hinge connecting member 10 and the second hinge connecting member 11 have the same structure. Both the first hinge connecting member 10 and the second hinge connecting member 11 are formed by combining a first connecting portion 12 and a second connecting portion 13. The first connecting portion 12 and the second connecting portion 13 are rotatably connected via a first hinge connecting shaft 14. A pioneering device for spinal surgery formed by combining the pioneering mechanism mounting frame 1, a first pioneering mechanism 2, a second pioneering mechanism 3, a third pioneering mechanism 4, and a fourth pioneering mechanism 5 is arranged. By configuring the pioneering mechanism mounting frame 1 to be formed by combining the first arcuate frame body 8, the second arcuate frame body 9, the first hinge connecting member 10, and the second hinge connecting member 11, the pioneering mechanism mounting frame 1 can be bent within a certain angle range, and the pioneering mechanism mounting frame 1 can be better attached to the patient's back, so it is possible to avoid the situation where the pioneering mechanism is too high and makes the surgery difficult for doctors and nurses.

[0024] In Example 2, referring to FIGS. 3 to 4 and FIGS. 17 to 19, based on Example 1, both the first hinge connecting member 10 and the second hinge connecting member 11 are provided with a plurality of model numbers. The first hinge connecting member 10 and the second hinge connecting member 11 of different model numbers are set such that the length gradually increases, and it is possible to better fit different body-shaped patients by using the first hinge connecting member 10 and the second hinge connecting member 11 of different model numbers.

[0025] Both ends of the first arcuate frame body 8, both ends of the second arcuate frame body 9, the Connected to the first arcuate frame body 8 or the second arcuate frame body 9 outer end of the first connecting portion 12, and the Connected to the first arcuate frame body 8 or the second arcuate frame body 9 outer end of the second connecting portion 13 are all stepped A difference is provided, one end of the first arcuate frame body 8, one end of the second arcuate frame body 9, and the Connected to the first arcuate frame body 8 or the second arcuate frame body 9 outer ends of all have For connection slots 15 formed, For connection the slot 15 is a U-shaped slot, For connection at the root of the slot 15, a zac rivet hole 16 is formed, and at the other end of the first arcuate frame body 8, the other end of the second arcuate frame body 9, and the Connected to the first arcuate frame body 8 or the second arcuate frame body 9 outer ends of all have first screw holes 17 formed, and the edge positions of the first arcuate frame body 8, the second arcuate frame body 9, and the second connecting portion 13 are all in contact with the alignment posts 18 Melting connected, and the diameter of the zac rivet hole 16 is For connection larger than the width of the slot 15, and when actually assembling the first arcuate frame body 8, the second arcuate frame body 9, the first hinge connecting member 10, and the second hinge connecting member 11, the alignment posts 18 are engaged in the adjacent Connected slots 15, and the adjacent zac rivet holes 16 and the first screw holes 17 are provided overlappingly, and the adjacent zac rivet holes 16 and the first screw holes 17 are aligned and connected via positioning bolts 19, For connection By providing the slots 15, the zac rivet holes 16, the first screw holes 17, and the alignment posts 18, and making the diameter of the zac rivet holes 16 For connection larger than the width of the slot 15, For connection while ensuring the stability of Connection and making it possible to facilitate the connection and installation between the structures. Connection

[0026] In Embodiment 3, referring to FIGS. 5 to 10, based on Embodiment 2, the first opening mechanism 2, the second opening mechanism 3, the third opening mechanism 4, and the fourth opening mechanism 5 are all composed of a mounting member 20, an adjusting rod 21, No. 1 a tightening member 22, and an opening portion 23, and the mounting member 20 includes a mounting ferrule 25 and No. 1 a positioning seat 26 of No. 2 and a positioning seat 27 of No. 1 the positioning seat 26 of No. 2 and the positioning seat 27 of all haveNo. 1 The positioning hole 34 is formed, and the adjustment rod 21 is No. 1 arranged in the positioning hole 34, and a tension ring 24 is formed by bending at the outer end. The mounting ferrule 25 includes a lower ferrule body 28, an upper ferrule body 29, and an elastic connection part 30. The lower ferrule body 28, the upper ferrule body 28, and the elastic connection part 30 are integrally formed. At the end openings of the lower ferrule body 28 and the upper ferrule body 29, there are respectively No. 1 the lug plate 3 1 and No. 2 the lug plate 32 are integrally formed, No. 1 On the lug plate 31, there is No. 2 the screw hole 33 formed, No. 2 On the lug plate 32, there is No. 2 the mounting hole formed, No. 1 The positioning seat 26 of No. 1 is in contact with the side edge of the lug plate 31 of Melting and is No. 2 integrally formed with the positioning seat 27 of No. 2 and the side surface of the lug plate 32.

[0027] No. 1 The fastening member 22 of No. 1 includes the screw 35 of No. 1 the nut 36 of No. 1 and the knob 37 of No. 1 The screw 35 of No. 1 the nut 36 of No. 1 and the knob 37 of No. 1 are integrally formed. When the fastening member 22 of No. 1 is actually installed, the screw 35 of No. 2 passes through the mounting hole of No. 2 and is screwed into the screw hole 33 of No. 1 When the fastening member 22 is actually tightened, the lower ferrule body 28 and the upper ferrule body 29 hold the opening mechanism mounting frame 1, No. 1 the positioning seat 26 of No. 2 and the positioning seat 27 of No. 1The first creating mechanism 2, the second creating mechanism 3, the third creating mechanism 4, and the fourth creating mechanism 5 are configured by combining the fastening member 22 and the creating part 23. The mounting ferrule 25, No. 1 The positioning seat 26, No. 2 The positioning seat 27 are combined to form the mounting member 20. The mounting ferrule 25 is configured by combining the lower ferrule body 28, the upper ferrule body 29, and the elastic connection part 30. By doing so, No. 1 By tightening the fastening member 22, the mounting ferrule 25 can be fixed to the creating mechanism mounting frame 1, and the positioning of the adjusting rod 21 can be realized. Therefore, the convenience during the actual use of the creating device can be effectively improved.

[0028] In Example 4, referring to FIGS. 5 to 6 and FIGS. 11 to 16, based on Example 3, the creating part 23 includes a mounting seat 38, No. 1 The clamp seat 39, No. 2 The fastening member 40, No. 2 The clamp seat 41, No. 3 The clamp seat 42, and the creating flat hook 43. The mounting seat 38 is welded to the inner end of the adjusting rod 21. A hinge connection seat 44 is Melting Connected to the mounting seat 38, No. 1 The clamp seat 39 is rotatably connected to the hinge connection seat 44 via the second hinge connection shaft 45. A No. 2 Threaded hole 46 is formed in the mounting seat 38, No. 1 A No. 2 Bolt hole 47 is formed in the clamp seat 39, No. 2 The bolt hole 47 is a semi-conical trapezoidal hole. Positioning holes 48 are formed in both the mounting seat 38 and No. 1 The clamp seat 39, No. 2 A connecting shaft 52 is integrally formed on the side wall of the clamp seat 41, No. 2 The No. 2 Connecting shaft 52 is No. 2 Disposed in the positioning hole 48, No. 2 A limit ring 54 and No. 2 A limit ring 55 are integrally formed on the connecting shaft 52, No. 1 And No. 2 The limit ring 55,No. 1 The limit ring 54 and No. 2 the distance between the limit ring 55 is No. 2 the same as the depth of the positioning hole 48, No. 2 the fastening member 40 is No. 2 the screw 49, and No. 2 the nut 50, and No. 2 the knob 51, and includes No. 2 the screw 49, and No. 2 the nut 50, and No. 2 the knob 51 are integrally formed, No. 2 when the fastening member 40 is actually attached, No. 2 the screw 49 is No. 2 passed through the bolt hole 47 of No. 2 and screwed into the screw hole 46 of No. 2 the diameter of the bolt hole 47 of No. 2 is larger than the diameter of the screw 49 of No. 2 and smaller than the bottom diameter of the nut 50.

[0029] No. 2 At the end of the clamp seat 41, No. 2 the hinge connection seat 56 is integrally formed, No. 3 At the end of the clamp seat 42, No. 3 the hinge connection seat 57 is integrally formed, No. 2 the hinge connection seat 56 and No. 3 the hinge connection seat 57 are rotatably connected via a third hinge connection shaft 64, the pioneering flat hook 43 is provided in an inverted L shape, and at the upper end of the pioneering flat hook 43, No. 3 the connection shaft 59 is integrally formed, No. 3 At the upper end of the connection shaft 59, No. 3 the limit ring 60 is integrally formed, No. 2 the clamp seat 41 and No. 3 the clamp seat 42 both have No. 3 the positioning hole 58 formed, No. 3 the connection shaft 59 is No. 3 disposed in the positioning hole 58, No. 2 when the fastening member 40 is actually tightened, the mounting seat 38 and No. 1 the clamp seat 39 are No clamping the connection shaft 52, and in this case,​ The side wall of the nut 50 functions to abut against the side surface of the clamp seat 42 of ​ In this case, ​ the clamp seat 41 of ​ and the clamp seat 42 of ​ clamp the connecting shaft 59. By configuring the opening and creating part 23 by combining the mounting seat 38, ​ the clamp seat 39 of ​ the tightening member 40 of ​ the clamp seat 41 of ​ the clamp seat 42 of ​ and the opening and creating flat hook 43, it is possible to facilitate the tightening and adjustment of the tightening member 40 alone and to realize the adjustment of the opening and creating flat hook 43 in two axial directions. Therefore, it is possible to easily and flexibly adjust the opening and creating part 23.

[0030] In Example 5, referring to FIGS. 10 to 12 and FIGS. 14 to 16, based on Example 4, ​ on the side wall of the positioning hole 34 of ​ a non-slip pattern of ​ is integrally formed, and on the side wall of the adjustment rod 21, a non-slip pattern 61 of ​ is integrally formed. The non-slip pattern of ​ has a semi-circular ring structure with a semi-circular cross-section, and the non-slip pattern 61 of ​ is provided to fit with the non-slip pattern of ​ When the positioning seat 26 of ​ and the positioning seat 27 of ​ clamp the adjustment rod 21, ​ the non-slip pattern of ​ meshes with the non-slip pattern 61 of ​ On the side wall of the positioning hole 48 of ​ a non-slip pattern is formed, ​ on the side wall of the connecting shaft 52 of ​ a non-slip pattern 62 is formed, ​ Both the non-slip pattern of ​ and the non-slip pattern 62 have a rod-shaped protrusion structure with a semi-circular cross-section, ​ Both the non-slip pattern of ​All the anti-slip patterns 62 are provided circumferentially at equal intervals and are one size larger. ​ The anti-slip pattern of ​ The anti-slip pattern 62 of ​ The clamp seat 39 of ​ When the connecting shaft 52 of ​ The anti-slip pattern of ​ The anti-slip pattern 62 of ​ On the side wall of the positioning hole 58 of ​ The anti-slip pattern of ​ On the side wall of the connecting shaft 59 of ​ The anti-slip pattern 63 of ​ The anti-slip pattern and ​ The anti-slip pattern 63 of ​ The anti-slip pattern and ​ The anti-slip pattern 63 of ​ The anti-slip pattern of ​ The anti-slip pattern 63 of ​ The clamp seat 41 of ​ The clamp seat 42 of ​ When the connecting shaft 59 of ​ The anti-slip pattern of ​ The anti-slip pattern 63 of ​ The anti-slip pattern, ​ The anti-slip pattern 61 of ​ The anti-slip pattern, ​ The anti-slip pattern 62 of ​ The anti-slip pattern, and ​ By providing the anti-slip pattern of

[0031] As described above, for those skilled in the art to understand the present application, exemplary specific embodiments of the present application have been described, but the present application is not limited to the scope of these specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of the present application limited and determined by the appended claims, any creation using the concept of the present application is subject to protection.

Description of Symbols

[0032] 1 Innovation mechanism mounting frame 2 First innovation mechanism 3 Second innovation mechanism 4 Third innovation mechanism 5 Fourth innovation mechanism 6 ​ connecting frame 7 ​ connecting frame 8 First arcuate frame body 9 Second arcuate frame body 10 First hinge connection member 11 Second hinge connection member 12 First connection part 13 Second connection part 14 First hinge connection shaft 15 ​ slot 16 Zak rivet hole 17 First screw hole 18 Alignment post 19 Positioning bolt 20 Mounting member 21 Adjusting rod 22 ​ tightening member 23 Innovation part 24 Pulling ring 25 Mounting ferrule 26 ​ positioning seat 27 ​ positioning seat 28 Lower ferrule body 29 Upper ferrule body 30 Elastic connection part 31 ​ lag plate 32 ​ lag plate 33 ​ screw hole 34 ​ positioning hole 35 ​ screw 36 ​ nut 37 ​ knob 38 mounting seat 39 ​ clamp seat 40 ​ fastening member 41 ​ clamp seat 42 ​ clamp seat 43 innovative flat hook 44 hinge connection seat 45 second hinge connection shaft 46 ​ screw hole 47 ​ bolt hole 48 ​ positioning hole 49 Second screw 50 Second nut 51 Second knob 52 Second connection shaft 54 First limit ring 55 Second limit ring 56 Second hinge connection seat 57 Third hinge connection seat 58 Third positioning hole 59 Third connection shaft 60 Third limit ring 61 Second anti-slip pattern 62 Fourth anti-slip pattern 63 Sixth anti-slip pattern 64 third hinge connection shaft

Claims

1. An incision mechanism mounting frame (1) with both ends respectively attached to positioning seats on both sides of the operating table via a first connection frame (6) and a second connection frame (7) and arranged above the upper side of the patient's back, A first incision mechanism (2) attached to the incision mechanism mounting frame (1), A second incision mechanism (3) attached to the incision mechanism mounting frame (1) and having the same structure as the first incision mechanism (2), A third incision mechanism (4) arranged symmetrically with the first incision mechanism (2), A fourth incision mechanism (5) arranged symmetrically with the second incision mechanism (3), and including, The muscle tissue near the surgical incision on the patient's back is expanded outward by the first incision mechanism (2), the second incision mechanism (3), the third incision mechanism (4), and the fourth incision mechanism (5). The incision mechanism mounting frame (1) includes a first arcuate frame body (8), a second arcuate frame body (9), a first hinge connection member (10), and a second hinge connection member (11). The first arcuate frame body (8) and the second arcuate frame body (9) have the same structure. The first arcuate frame body (8) and the second arcuate frame body (9) are connected via the first hinge connection member (10) and the second hinge connection member (11). The first hinge connection member (10) and the second hinge connection member (11) have the same structure. Both the first hinge connection member (10) and the second hinge connection member (11) are formed by combining a first connection part (12) and a second connection part (13). The first connection part (12) and the second connection part (13) are rotatably connected via a first hinge connection shaft (14). Both ends of the first arcuate frame body (8), both ends of the second arcuate frame body (9), the outer end of the first connecting portion (12) connected to the first arcuate frame body (8) or the second arcuate frame body (9), and the outer end of the second connecting portion (13) connected to the first arcuate frame body (8) or the second arcuate frame body (9) are all provided with steps. A connection slot (15) is formed at one end of the first arcuate frame body (8), one end of the second arcuate frame body (9), and the outer end of the first connecting portion (12) connected to the first arcuate frame body (8) or the second arcuate frame body (9). The connection slot (15) is a U-shaped slot, and a clinch bolt hole (16) is formed at the root of the connection slot (15). A first screw hole (17) is formed at the other end of the first arcuate frame body (8), the other end of the second arcuate frame body (9), and the outer end of the second connecting portion (13) connected to the first arcuate frame body (8) or the second arcuate frame body (9). The edge positions of the first arcuate frame body (8), the second arcuate frame body (9), and the second connecting portion (13) are all welded to the alignment posts (18). The diameter of the clinch bolt hole (16) is larger than the width of the connection slot (15). When the first arcuate frame body (8), the second arcuate frame body (9), the first hinge connecting member (10), and the second hinge connecting member (11) are actually connected, the alignment posts (18) are engaged in the adjacent connection slots (15), and the adjacent clinch bolt holes (16) and the first screw holes (17) are provided overlappingly. The adjacent clinch bolt holes (16) and the first screw holes (17) are aligned and connected via a positioning bolt (19). The first pioneering mechanism (2), the second pioneering mechanism (3), the third pioneering mechanism (4), and the fourth pioneering mechanism (5) are all composed of a mounting member (20), an adjustment rod (21), a first fastening member (22), and a pioneering part (23). The mounting member (20) includes a mounting ferrule (25), a first positioning seat (26), and a second positioning seat (27). First positioning holes (34) are formed in both the first positioning seat (26) and the second positioning seat (27). The adjustment rod (21) is arranged within the first positioning holes (34), and a tension ring (24) is formed by bending at the outer end portion. The mounting ferrule (25) includes a lower ferrule body (28), an upper ferrule body (28), and an elastic connection part (30). The lower ferrule body (28), the upper ferrule body (29), and the elastic connection part (30) are integrally formed. First lug plates (31) and second lug plates (32) are integrally formed at the end openings of the lower ferrule body (28) and the upper ferrule body (29), respectively. Second screw holes (33) are formed in the first lug plates (31), and second mounting holes are formed in the second lug plates (32). The first positioning seat (26) is welded to the side edge of the first lug plate (31), and the second positioning seat (27) is integrally formed with the side surface of the second lug plate (32). The first fastening member (22) includes a first screw (35), a first nut (36), and a first knob (37). The first screw (35), the first nut (36), and the first knob (37) are integrally formed. When the first fastening member (22) is actually mounted, the first screw (35) is screwed into the second screw hole (33) through the second mounting hole. When the first fastening member (22) is actually tightened, the lower ferrule body (28) and the upper ferrule body (29) embrace the pioneering mechanism mounting frame (1), and the first positioning seat (26) and the second positioning seat (27) sandwich the adjustment rod (21). The pioneering part (23) includes a mounting seat (38), a first clamp seat (39), a second tightening member (40), a second clamp seat (41), a third clamp seat (42), and a pioneering flat hook (43). The mounting seat (38) is welded to the inner end of the adjustment rod (21), and a hinge connection seat (44) is welded to the mounting seat (38). The first clamp seat (39) is rotatably connected to the hinge connection seat (44) via a second hinge connection shaft (45). A second screw hole (46) is formed in the mounting seat (38), and a second bolt hole (47) is formed in the first clamp seat (39). The second bolt hole (47) is a semi-conical frustum-shaped hole. Second positioning holes (48) are formed in both the mounting seat (38) and the first clamp seat (39). A second connection shaft (52) is integrally formed on the side wall of the second clamp seat (41). The second connection shaft (52) is disposed in the second positioning hole (48). A first limit ring (54) and a second limit ring (55) are integrally formed on the second connection shaft (52). The distance between the first limit ring (54) and the second limit ring (55) is the same as the depth of the second positioning hole (48). The second tightening member (40) includes a second screw (49), a second nut (50), and a second knob (51). The second screw (49), the second nut (50), and the second knob (51) are integrally formed. When the second tightening member (40) is actually installed, the second screw (49) passes through the second bolt hole (47) and is screwed into the second screw hole (46). The hole diameter of the second bolt hole (47) is larger than the diameter of the second screw (49) and smaller than the bottom surface diameter of the second nut (50). A pioneering device for spinal surgery, characterized by the above.

2. At the end of the second clamp seat (41), a second hinge connection seat (56) is integrally formed. At the end of the third clamp seat (42), a third hinge connection seat (57) is integrally formed. The second hinge connection seat (56) and the third hinge connection seat (57) are rotatably connected via a third hinge connection shaft (64). The innovative flat hook (43) is provided in an inverted L shape. At the upper end of the innovative flat hook (43), a third connection shaft (59) is integrally formed. At the upper end of the third connection shaft (59), a third limit ring (60) is integrally formed. Third positioning holes (58) are formed in both the second clamp seat (41) and the third clamp seat (42). The third connection shaft (59) is disposed in the third positioning hole (58). When the second tightening member (40) is actually tightened, the mounting seat (38) and the first clamp seat (39) sandwich the second connection shaft (52). Also, in this case, the side wall of the second nut (50) functions to abut against the side surface of the third clamp seat (42). Also, in this case, the second clamp seat (41) and the third clamp seat (42) sandwich the third connection shaft (59). The innovative device for spinal surgery according to claim 1, characterized in that.

3. On the side wall of the first positioning hole (34), a first anti-slip pattern is integrally formed. On the side wall of the adjustment rod (21), a second anti-slip pattern (61) is integrally formed. The first anti-slip pattern has a semi-circular ring structure with a semi-circular cross-section. The second anti-slip pattern (61) has an annular protrusion structure with a semi-circular cross-section. The first anti-slip pattern and the second anti-slip pattern (61) are provided to fit together. When the first positioning seat (26) and the second positioning seat (27) sandwich the adjustment rod (21), the first anti-slip pattern and the second anti-slip pattern (61) mesh with each other. On the side wall of the second positioning hole (48), a third anti-slip pattern is formed. On the side wall of the second connecting shaft (52), a fourth anti-slip pattern (62) is formed. Both the third anti-slip pattern and the fourth anti-slip pattern (62) have a rod-shaped protrusion structure with a semi-circular cross-section. Both the third anti-slip pattern and the fourth anti-slip pattern (62) are provided with a circumferential equidistant one-turn arrangement. The third anti-slip pattern and the fourth anti-slip pattern (62) are provided to fit together. When the mounting seat (38) and the first clamp seat (39) sandwich the second connecting shaft (52), the third anti-slip pattern and the fourth anti-slip pattern (62) mesh with each other. On the side wall of the third positioning hole (58), a fifth anti-slip pattern is formed. On the side wall of the third connecting shaft (59), a sixth anti-slip pattern (63) is formed. Both the fifth anti-slip pattern and the sixth anti-slip pattern (63) have a rod-shaped protrusion structure with a semi-circular cross-section. Both the fifth anti-slip pattern and the sixth anti-slip pattern (63) are provided with a circumferential equidistant one-turn arrangement. The fifth anti-slip pattern and the sixth anti-slip pattern (63) are provided to fit together. When the second clamp seat (41) and the third clamp seat (42) sandwich the third connecting shaft (59), the fifth anti-slip pattern and the sixth anti-slip pattern (63) mesh with each other The minimally invasive surgical device for spinal surgery according to claim 2, characterized in that.

Citation Information

Patent Citations

  • Retractor retainer and retractor

    CN107495994A

  • Retractor structure for neurosurgery department

    CN114052804A

  • Retraction protector

    CN203815511U

  • A multidirectional device that leads out for spinal surgery

    CN206700182U

  • Distraction and retraction system for spinal surgery

    US20040230191A1