Medical adjustable diskoscope with fixing device

Abstract

The invention relates to a medical adjustable diskoscope with a fixing device, and belongs to the field of medical instruments. The intervertebral disc endoscope comprises a fixing device and an intervertebral disc endoscope device, the intervertebral disc endoscope device is installed on the fixing device, the angle and distance of the intervertebral disc endoscope device can be adjusted relative to the fixing device, and the intervertebral disc endoscope is structurally characterized in that the fixing device comprises a sleeve assembly, an endoscope base assembly, an angle adjusting assembly and a distance adjusting assembly; the sleeve assembly is connected with the diskoscope base assembly, the angle adjusting assembly can be used for fixing after the angle of the diskoscope device relative to the fixing device is adjusted, and the distance adjusting assembly can be used for fixing after the distance of the diskoscope device relative to the fixing device is adjusted.

Description

Technical Field

[0001] The invention relates to a medical adjustable intervertebral disc mirror with a fixing device, belonging to the field of medical instruments. Background Art

[0002] With the development of medical technology, surgical operations using endoscopic disc technology are increasingly being promoted and used in China. During endoscopic disc surgery, working sleeves and adjustment frames are used. The working sleeve is the instrument channel during surgery, and after the adjustment frame is connected to the working sleeve, the adjustment frame can be adjusted forward and backward according to the needs of the surgery to meet the surgical requirements, thereby improving the efficiency of the surgery.

[0003] In the prior art, the working sleeve and the adjustment frame of the intervertebral disc endoscope are separated. When in use, the working sleeve and the adjustment frame need to be assembled before surgery. The adjustment frame can only be adjusted to the front and back distance, but cannot achieve angle adjustment. In addition, most intervertebral disc endoscopes do not have a flushing function, and a separate flushing device is required for flushing.

[0004] In view of this, a distractor is disclosed in patent document with application number 201610832642, and a posterior endoscopic disc instrument is disclosed in patent document with application number 200520088498. The angle adjustment and distance adjustment methods of the above-mentioned reference documents are different from those of the present application. Summary of the invention

[0005] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a medical adjustable intervertebral disc endoscope with a fixing device and a reasonable structural design.

[0006] The technical solution adopted by the present invention to solve the above-mentioned problem is: the medical adjustable intervertebral disc mirror with a fixing device comprises a fixing device and an intervertebral disc mirror device, the intervertebral disc mirror device is installed on the fixing device, and the intervertebral disc mirror device can be adjusted in angle and distance relative to the fixing device, and is characterized in that: the fixing device comprises a sleeve assembly, a mirror seat assembly, an angle adjustment assembly for fixing the intervertebral disc mirror device after the angle is adjusted relative to the fixing device, and a distance adjustment assembly for fixing the intervertebral disc mirror device after the distance is adjusted relative to the fixing device, the sleeve assembly is connected to the mirror seat assembly, the angle adjustment assembly is arranged on the sleeve assembly, and the distance adjustment assembly is arranged on the mirror seat assembly.

[0007] Furthermore, the sleeve assembly includes a sleeve and a sleeve fixing frame, the sleeve is fixed to the sleeve fixing frame, the mirror seat assembly includes a mirror seat fixing block, a mirror seat rotating block and a mirror seat main body, the mirror seat rotating block is rotatably arranged in the mirror seat fixing block, and the mirror seat rotating block is fixed to the mirror seat main body so that the mirror seat rotating block and the mirror seat main body rotate synchronously, a rotating block slot is provided on the mirror seat rotating block, and the rotating block slot cooperates with the angle adjustment assembly to fix the intervertebral disc mirror device after adjusting its angle, and the sleeve fixing frame is connected to the mirror seat fixing block.

[0008] Furthermore, the mirror seat assembly also includes a fixed spring and a fixed steel ball, the fixed spring is arranged on the mirror seat body, and the two ends of the fixed spring are respectively abutted against the mirror seat body and the fixed steel ball, and the mirror seat fixing block is provided with a fixed groove that cooperates with the fixed steel ball. When the angle of the intervertebral disc mirror device is adjusted, the fixed steel ball is bounced into the fixed groove by the fixed spring, which indicates that the intervertebral disc mirror device and the fixing device are on the same vertical plane.

[0009] Furthermore, the angle adjustment assembly includes a rotating block lock core and a rotating block spring, both of which are arranged on a sleeve fixing frame, and two ends of the rotating block spring are respectively abutted against the rotating block lock core and the sleeve fixing frame, and a rotating block lock tooth is arranged on the rotating block lock core, and the rotating block lock tooth cooperates with the rotating block slot, and when the rotating block lock core is pressed so that the rotating block lock tooth is disengaged from the rotating block slot, the mirror seat rotating block can be rotated relative to the mirror seat fixed block; when the rotating block lock core is released, under the action of the rotating block spring, the rotating block lock tooth can be snapped into the rotating block slot, so that the mirror seat rotating block can be fixed relative to the mirror seat fixed block.

[0010] Furthermore, the distance adjustment assembly includes a mirror base lock core, an unlocking block, an unlocking block nut, an unlocking block handle and an unlocking block spring, the mirror base lock core and the unlocking block spring are both arranged on the mirror base body, and the two ends of the unlocking block spring are respectively abutted against the mirror base lock core and the mirror base body, the unlocking block is arranged on the mirror base body through the unlocking block nut, an unlocking slot is arranged on the mirror base lock core, one end of the unlocking block is located in the unlocking slot, and the unlocking block handle is arranged at the other end of the unlocking block.

[0011] Furthermore, a lock pin limiting groove is provided on the mirror base lock core, and an unlocking block limiting pin is provided on the mirror base body. The unlocking block limiting pin is located in the lock pin limiting groove and can be used to limit the pressing distance of the mirror base lock core.

[0012] Furthermore, a locking slot is provided on the mirror seat lock core, and a locking block is provided on the locking slot. When the mirror seat lock core is pressed to disengage the locking block from the intervertebral disc mirror device, the distance adjustment of the intervertebral disc mirror device relative to the fixing device can be achieved; when the mirror seat lock core is released, the locking block is engaged with the intervertebral disc mirror device under the action of the unlocking block spring, and the intervertebral disc mirror device can be fixed relative to the fixing device.

[0013] Furthermore, an unlocking surface is provided on the unlocking block, and when the unlocking block is rotated so that the unlocking surface contacts the side wall of the unlocking slot, the unlocking block spring is in a compressed state, so that the unlocking block is always in an unlocked state, thereby realizing non-pitch adjustment of the intervertebral disc mirror device; conversely, when the unlocking block is rotated so that the unlocking surface disengages from the side wall of the unlocking slot, the unlocking block spring is in an expanded state, and in this state, when the mirror seat lock core is pressed to disengage the locking block from the intervertebral disc mirror device, the distance adjustment of the intervertebral disc mirror device relative to the fixing device can be realized, and in this state, the mirror seat lock core is released, and the locking block is engaged with the intervertebral disc mirror device under the action of the unlocking block spring, so that the intervertebral disc mirror device can be fixed relative to the fixing device, thereby realizing pitch adjustment of the intervertebral disc mirror device.

[0014] Furthermore, the intervertebral disc mirror device includes an intervertebral disc mirror body, a flushing joint, an outer mirror tube and an inner mirror tube, wherein the flushing joint, the outer mirror tube and the inner mirror tube are all arranged on the intervertebral disc mirror body, the outer mirror tube is sleeved outside the endoscope tube, and a flushing channel is formed between the outer wall of the endoscope tube and the inner wall of the outer mirror tube, and the flushing channel is connected to the flushing joint.

[0015] Furthermore, a locking rod is provided on the intervertebral disc mirror body, a locking groove is provided on the locking rod, and the locking groove cooperates with a locking block.

[0016] Furthermore, the outer mirror tube and the inner mirror tube form a mirror tube, the mirror tube is inserted into a sleeve, and the locking rod is inserted into a locking hole provided in a mirror base body.

[0017] Compared with the prior art, the present invention has the following advantages: the fixing device and the intervertebral disc mirror device in the medical adjustable intervertebral disc mirror with a fixing device are assembled through an angle adjustment component and a distance adjustment component. During surgery, the intervertebral disc mirror can be adjusted forward and backward at a certain pitch, or the mirror seat lock cylinder can be always in an unlocked state to achieve non-pitch forward and backward adjustment. In order to increase the visual range of the intervertebral disc mirror, it can be rotated and adjusted; by arranging a flushing structure on the intervertebral disc mirror device, the flushing function can be realized, and there is no need to use a separate flushing device when flushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of an intervertebral disc endoscope device according to an embodiment of the present invention being locked in the final position relative to the fixing device.

[0019] Figure 2 It is a schematic structural diagram of an intervertebral disc endoscope device according to an embodiment of the present invention locked in the most forward position relative to a fixing device.

[0020] Figure 3 It is a schematic diagram of the main structure of the fixing device of an embodiment of the present invention.

[0021] Figure 4 It is a right view structural schematic diagram of the fixing device of an embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the fixing device according to an embodiment of the present invention.

[0023] Figure 6 It is a schematic diagram of the assembly structure of the mirror base fixed block and the mirror base rotating block according to an embodiment of the present invention.

[0024] Figure 7 It is a bottom view structural schematic diagram of the mirror base lock cylinder according to an embodiment of the present invention.

[0025] Figure 8 It is a schematic diagram of the assembly structure (without pitch adjustment) of the mirror base lock cylinder and the unlocking block according to an embodiment of the present invention.

[0026] Fig. 9 It is a schematic diagram of the assembly structure (with pitch adjustment) of the mirror base lock cylinder and the unlocking block according to an embodiment of the present invention.

[0027] Fig.10 2 is a schematic diagram of the top view of the unlocking block according to an embodiment of the present invention.

[0028] Fig.11 It is a schematic diagram of the main structure of the intervertebral disc endoscope device according to an embodiment of the present invention.

[0029] In the figure: fixation device A, intervertebral disc endoscope device B, Sleeve assembly A1, mirror base assembly A2, angle adjustment assembly A3, distance adjustment assembly A4, Casing A11, Casing fixing frame A12, Mirror seat fixed block A21, mirror seat rotating block A22, mirror seat body A23, fixed point spring A24, fixed point steel ball A25, rotating block slot A26, Rotating block lock core A31, rotating block spring A32, rotating block lock tooth A33, Mirror seat lock cylinder A41, unlocking block A42, unlocking block nut A43, unlocking block handle A44, unlocking block spring A45, unlocking block limit pin A46, locking card slot A47, unlocking card slot A48, lock pin limit slot A49, locking card block A410, unlocking surface A411, Intervertebral disc mirror body B1, flushing joint B2, outer mirror tube B3, inner mirror tube B4, locking rod B5, locking groove B6. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0031] Example

[0032] See also Figures 1 to 11 As shown, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, if there are references to terms such as "upper", "lower", "left", "right", "middle" and "one" in this specification, they are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0033] The medical adjustable intervertebral disc mirror with a fixing device in this embodiment includes a fixing device A and an intervertebral disc mirror device B. The intervertebral disc mirror device B is installed on the fixing device A, and the intervertebral disc mirror device B can be adjusted in angle and distance relative to the fixing device A; that is, angle adjustment means that when the fixing device A is fixed, the intervertebral disc mirror device B can swing relative to the fixing device A with the mirror tube as the axis to achieve angle adjustment; distance adjustment means that when the fixing device A is fixed, the intervertebral disc mirror device B can move relative to the fixing device A along the length direction of the mirror tube to achieve position adjustment of the mirror tube in the sleeve A11.

[0034] The fixing device A in this embodiment includes a sleeve assembly A1, a mirror seat assembly A2, an angle adjustment assembly A3 for fixing the intervertebral disc mirror device B after the angle is adjusted relative to the fixing device A, and a distance adjustment assembly A4 for fixing the intervertebral disc mirror device B after the distance is adjusted relative to the fixing device A. The sleeve assembly A1 is connected to the mirror seat assembly A2, the angle adjustment assembly A3 is arranged on the sleeve assembly A1, and the distance adjustment assembly A4 is arranged on the mirror seat assembly A2.

[0035] The sleeve assembly A1 in this embodiment includes a sleeve A11 and a sleeve fixing frame A12, and the sleeve A11 is fixed to the sleeve fixing frame A12. The mirror seat assembly A2 includes a mirror seat fixing block A21, a mirror seat rotating block A22 and a mirror seat main body A23. The mirror seat rotating block A22 is rotatably set in the mirror seat fixing block A21, and the mirror seat rotating block A22 is fixed to the mirror seat main body A23 so that the mirror seat rotating block A22 and the mirror seat main body A23 rotate synchronously. A rotating block slot A26 is provided on the mirror seat rotating block A22, and the rotating block slot A26 cooperates with the angle adjustment assembly A3 to fix the intervertebral disc mirror device B after the angle is adjusted. The sleeve fixing frame A12 is connected to the mirror seat fixing block A21.

[0036] The mirror base assembly A2 in this embodiment may further include a fixed-point spring A24 and a fixed-point steel ball A25. The fixed-point spring A24 is disposed on the mirror base body A23, and the two ends of the fixed-point spring A24 are respectively in contact with the mirror base body A23 and the fixed-point steel ball A25. The mirror base fixing block A21 is provided with a fixed-point groove that cooperates with the fixed-point steel ball A25. When the angle of the intervertebral disc mirror device B is adjusted, the fixed-point steel ball A25 is bounced into the fixed-point groove by the fixed-point spring A24, which indicates that the intervertebral disc mirror device B and the fixing device A are on the same horizontal vertical plane. When the fixed-point steel ball A25 is bounced into the fixed-point groove by the fixed-point spring A24, a sound will be generated, which indicates that the intervertebral disc mirror device B and the fixing device A are on the same horizontal vertical plane. That is to say, in this state, the mirror base rotating block A22 can be adjusted to the left and right with a maximum range of 30° relative to the mirror base fixing block A21 (such as Figure 6 As shown), to achieve angle adjustment of the intervertebral disc mirror device B relative to the fixation device A.

[0037] The angle adjustment component A3 in this embodiment includes a rotating block lock core A31 and a rotating block spring A32, both of which are arranged on the sleeve fixing frame A12, and the two ends of the rotating block spring A32 are respectively abutted against the rotating block lock core A31 and the sleeve fixing frame A12, and a rotating block lock tooth A33 is arranged on the rotating block lock core A31, and the rotating block lock tooth A33 cooperates with the rotating block slot A26, and when the rotating block lock core A31 is pressed to disengage the rotating block lock tooth A33 from the rotating block slot A26, the mirror base rotating block A22 is rotated relative to the mirror base fixed block A21; when the rotating block lock core A31 is released, the rotating block lock tooth A33 can be snapped into the rotating block slot A26 under the action of the rotating block spring A32, so that the mirror base rotating block A22 is fixed relative to the mirror base fixed block A21.

[0038] The distance adjustment component A4 in this embodiment includes a mirror base lock core A41, an unlocking block A42, an unlocking block nut A43, an unlocking block handle A44 and an unlocking block spring A45. The mirror base lock core A41 and the unlocking block spring A45 are both arranged on the mirror base body A23, and the two ends of the unlocking block spring A45 are respectively abutted against the mirror base lock core A41 and the mirror base body A23. The unlocking block A42 is arranged on the mirror base body A23 through the unlocking block nut A43. An unlocking slot A48 is arranged on the mirror base lock core A41. One end of the unlocking block A42 is located in the unlocking slot A48. The unlocking block handle A44 is arranged at the other end of the unlocking block A42.

[0039] In this embodiment, a lock pin limiting groove A49 may also be provided on the mirror seat lock core A41, and an unlocking block limiting pin A46 may also be provided on the mirror seat main body A23. The unlocking block limiting pin A46 is located in the lock pin limiting groove A49 and can be used to limit the pressing distance of the mirror seat lock core A41; that is, when the length of the intervertebral disc mirror device B relative to the fixing device A is adjusted, the mirror seat lock core A41 needs to be pressed, and the mirror seat lock core A41 can be limited by the unlocking block limiting pin A46.

[0040] In this embodiment, a locking slot A47 is provided on the mirror seat lock core A41, and a locking block A410 is provided on the locking slot A47. When the mirror seat lock core A41 is pressed to disengage the locking block A410 from the intervertebral disc mirror device B, the distance of the intervertebral disc mirror device B relative to the fixing device A can be adjusted; when the mirror seat lock core A41 is released, the locking block A410 is engaged with the intervertebral disc mirror device B under the action of the unlocking block spring A45, the intervertebral disc mirror device B can be fixed relative to the fixing device A.

[0041] The unlocking block A42 in this embodiment is provided with an unlocking surface A411. When the unlocking block A42 is rotated so that the unlocking surface A411 contacts the side wall of the unlocking slot A48, the unlocking block spring A45 is in a compressed state, so that the unlocking block A42 is always in an unlocked state, thereby realizing the intervertebral disc endoscope device B without pitch adjustment (such as Figure 8 As shown); on the contrary, when the unlocking block A42 is rotated so that the unlocking surface A411 is disengaged from the side wall of the unlocking slot A48, the unlocking block spring A45 is in an expanded state. In this state, when the mirror seat lock core A41 is pressed to disengage the locking block A410 from the intervertebral disc mirror device B, the distance adjustment of the intervertebral disc mirror device B relative to the fixing device A can be achieved. In this state, the mirror seat lock core A41 is released, and the locking block A410 is engaged with the intervertebral disc mirror device B under the action of the unlocking block spring A45, so that the intervertebral disc mirror device B can be fixed relative to the fixing device A, thereby achieving the pitch adjustment of the intervertebral disc mirror device B (such as Fig. 9 as shown).

[0042] The intervertebral disc endoscope device B in this embodiment includes an intervertebral disc endoscope body B1, a flushing connector B2, an outer mirror tube B3 and an inner mirror tube B4. The flushing connector B2, the outer mirror tube B3 and the inner mirror tube B4 are all arranged on the intervertebral disc endoscope body B1. The outer mirror tube B3 is mounted outside the inner mirror tube B4. A flushing channel is formed between the outer wall of the inner mirror tube B4 and the inner wall of the outer mirror tube B3, and the flushing channel is connected to the flushing connector B2.

[0043] In this embodiment, the outer mirror tube B3 and the inner mirror tube B4 constitute a mirror tube, the mirror tube is inserted into the sleeve A11, the locking rod B5 is inserted into the locking hole set in the mirror seat body A23, and the intervertebral disc mirror body B1 is provided with a locking rod B5, and the locking rod B5 is provided with a locking groove B6, and the locking groove B6 cooperates with the locking block A410; the number of the locking grooves B6 is multiple, and the multiple locking grooves B6 are arranged at equal intervals, that is to say, when there is pitch adjustment, it means that the locking block A410 will be stuck in the locking groove B6 for fixation, and when there is no pitch adjustment, it means that there is no need to position the intervertebral disc mirror device B, and the intervertebral disc mirror device B can be freely extended and retracted in the fixing device A.

[0044] Specifically, the sleeve A11 and the sleeve fixing frame A12 in the medical adjustable intervertebral disc mirror with a fixing device are welded, the mirror seat fixing block A21 and the sleeve fixing frame A12 are connected with screws and locating pins, and a mirror seat rotating block A22 is provided inside the mirror seat fixing block A21 and is connected to the mirror seat main body A23. The mirror seat rotating block A22 is positioned and fixed by a rotating block spring A32 and a rotating block lock core A31. Pressing the rotating block lock core A31 can realize the rotation of the mirror seat rotating block A22 to the left or right; turning the unlocking block handle A44 to the right can drive the unlocking block A42 to unlock the mirror seat lock core A41 to realize the non-pitch fore-and-aft adjustment of the intervertebral disc mirror, and turning the unlocking block handle A44 to the left can drive the unlocking block A42 to restore the locking function of the mirror seat lock core A41, thereby realizing the pitched fore-and-aft adjustment of the intervertebral disc mirror device B according to a certain pitch.

[0045] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the present invention. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the present invention are included in the protection scope of the patent of the present invention. Technicians in the technical field of the present invention can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A medical adjustable intervertebral disc mirror with a fixing device, comprising a fixing device (A) and an intervertebral disc mirror device (B), wherein the intervertebral disc mirror device (B) is mounted on the fixing device (A), and the intervertebral disc mirror device (B) can be adjusted in angle and distance relative to the fixing device (A), characterized in that: The fixing device (A) comprises a sleeve assembly (A1), a mirror seat assembly (A2), an angle adjustment assembly (A3) for fixing the intervertebral disc mirror device (B) after adjusting the angle relative to the fixing device (A), and a distance adjustment assembly (A4) for fixing the intervertebral disc mirror device (B) after adjusting the distance relative to the fixing device (A), the sleeve assembly (A1) is connected to the mirror seat assembly (A2), the angle adjustment assembly (A3) is arranged on the sleeve assembly (A1), and the distance adjustment assembly (A4) is arranged on the mirror seat assembly (A2); The sleeve assembly (A1) comprises a sleeve (A11) and a sleeve fixing frame (A12), wherein the sleeve (A11) is fixed to the sleeve fixing frame (A12), and the mirror seat assembly (A2) comprises a mirror seat fixing block (A21), a mirror seat rotating block (A22) and a mirror seat main body (A23), wherein the mirror seat rotating block (A22) is rotatably arranged in the mirror seat fixing block (A21), and the mirror seat rotating block (A22) is fixed to the mirror seat main body (A23) so that the mirror seat rotating block (A22) and the mirror seat main body (A23) rotate synchronously, and a rotating block slot (A26) is provided on the mirror seat rotating block (A22), and the rotating block slot (A26) cooperates with the angle adjustment assembly (A3) so that the intervertebral disc mirror device (B) can be fixed after the angle thereof is adjusted, and the sleeve fixing frame (A12) is connected to the mirror seat fixing block (A21).

2. The medical adjustable intervertebral disc mirror with a fixing device according to claim 1, characterized in that: The mirror seat assembly (A2) further comprises a fixed point spring (A24) and a fixed point steel ball (A25), wherein the fixed point spring (A24) is arranged on the mirror seat body (A23), and the two ends of the fixed point spring (A24) are respectively in contact with the mirror seat body (A23) and the fixed point steel ball (A25), and the mirror seat fixing block (A21) is provided with a fixed point groove matched with the fixed point steel ball (A25), and when the angle of the intervertebral disc mirror device (B) is adjusted, the fixed point steel ball (A25) is bounced into the fixed point groove by the fixed point spring (A24), and at this time, it is indicated that the intervertebral disc mirror device (B) and the fixing device (A) are on the same horizontal vertical plane.

3. The medical adjustable intervertebral disc mirror with a fixing device according to claim 1, characterized in that: The angle adjustment assembly (A3) comprises a rotating block lock core (A31) and a rotating block spring (A32), wherein the rotating block lock core (A31) and the rotating block spring (A32) are both arranged on a sleeve fixing frame (A12), and the two ends of the rotating block spring (A32) are respectively in contact with the rotating block lock core (A31) and the sleeve fixing frame (A12), and the rotating block lock core (A31) is provided with a rotating block lock tooth (A33), and the rotating block lock tooth (A33) is in contact with the rotating block slot ( When the rotating block lock cylinder (A31) is pressed so that the rotating block lock teeth (A33) are disengaged from the rotating block slot (A26), the mirror base rotating block (A22) can be rotated relative to the mirror base fixed block (A21); when the rotating block lock cylinder (A31) is released, the rotating block lock teeth (A33) can be snapped into the rotating block slot (A26) under the action of the rotating block spring (A32), so that the mirror base rotating block (A22) can be fixed relative to the mirror base fixed block (A21).

4. The medical adjustable intervertebral disc mirror with a fixing device according to claim 1, characterized in that: The distance adjustment assembly (A4) comprises a mirror base lock core (A41), an unlocking block (A42), an unlocking block nut (A43), an unlocking block handle (A44) and an unlocking block spring (A45); the mirror base lock core (A41) and the unlocking block spring (A45) are both arranged on the mirror base body (A23), and the two ends of the unlocking block spring (A45) are respectively in contact with the mirror base lock core (A41) and the mirror base body (A23); the unlocking block (A42) is arranged on the mirror base body (A23) through the unlocking block nut (A43); an unlocking slot (A48) is arranged on the mirror base lock core (A41), one end of the unlocking block (A42) is located in the unlocking slot (A48), and the unlocking block handle (A44) is arranged at the other end of the unlocking block (A42).

5. The medical adjustable intervertebral disc mirror with a fixing device according to claim 4, characterized in that: The mirror base lock core (A41) is provided with a lock pin limiting groove (A49), and the mirror base body (A23) is provided with an unlocking block limiting pin (A46); the unlocking block limiting pin (A46) is located in the lock pin limiting groove (A49) and can be used to limit the pressing distance of the mirror base lock core (A41).

6. The medical adjustable intervertebral disc mirror with a fixing device according to claim 4, characterized in that: The mirror seat lock core (A41) is provided with a locking slot (A47), and the locking slot (A47) is provided with a locking block (A410). When the mirror seat lock core (A41) is pressed to disengage the locking block (A410) from the intervertebral disc mirror device (B), the distance of the intervertebral disc mirror device (B) relative to the fixing device (A) can be adjusted; when the mirror seat lock core (A41) is released, the locking block (A410) is engaged with the intervertebral disc mirror device (B) under the action of the unlocking block spring (A45), and the intervertebral disc mirror device (B) can be fixed relative to the fixing device (A).

7. The medical adjustable intervertebral disc mirror with a fixing device according to claim 4, characterized in that: The unlocking block (A42) is provided with an unlocking surface (A411). When the unlocking block (A42) is rotated so that the unlocking surface (A411) contacts the side wall of the unlocking slot (A48), the unlocking block spring (A45) is in a compressed state so that the unlocking block (A42) is always in an unlocked state, thereby realizing non-pitch adjustment of the intervertebral disc endoscope device (B); conversely, when the unlocking block (A42) is rotated so that the unlocking surface (A411) is disengaged from the side wall of the unlocking slot (A48), the unlocking block spring (A45) is in an expanded state. In this state, when the mirror seat lock cylinder (A41) is pressed to disengage the locking block (A410) from the intervertebral disc mirror device (B), the distance of the intervertebral disc mirror device (B) relative to the fixing device (A) can be adjusted. In this state, when the mirror seat lock cylinder (A41) is released, the locking block (A410) and the intervertebral disc mirror device (B) are engaged under the action of the unlocking block spring (A45), and the intervertebral disc mirror device (B) can be fixed relative to the fixing device (A), thereby realizing pitch adjustment of the intervertebral disc mirror device (B).

8. The medical adjustable intervertebral disc mirror with a fixing device according to claim 1, characterized in that: The intervertebral disc mirror device (B) comprises an intervertebral disc mirror body (B1), a water flushing connector (B2), an outer mirror tube (B3) and an inner mirror tube (B4); the water flushing connector (B2), the outer mirror tube (B3) and the inner mirror tube (B4) are all arranged on the intervertebral disc mirror body (B1); the outer mirror tube (B3) is sleeved outside the inner mirror tube (B4); a water flushing channel is formed between the outer wall of the inner mirror tube (B4) and the inner wall of the outer mirror tube (B3); and the water flushing channel is connected to the water flushing connector (B2).

9. The medical adjustable intervertebral disc mirror with a fixing device according to claim 8, characterized in that: The intervertebral disc mirror body (B1) is provided with a locking rod (B5), the locking rod (B5) is provided with a locking groove (B6), and the locking groove (B6) cooperates with a locking block (A410).

10. The medical adjustable intervertebral disc mirror with a fixing device according to claim 9, characterized in that: The outer mirror tube (B3) and the inner mirror tube (B4) form a mirror tube, the mirror tube is inserted into the sleeve (A11), and the locking rod (B5) is inserted into a locking hole provided in the mirror base body (A23).

Images