Fixing device for diskoscope and adjustable diskoscope

Abstract

The utility model relates to a fixing device for a diskoscope and an adjustable diskoscope, and belongs to the field of medical instruments. The endoscope comprises a sleeve assembly, an endoscope base assembly, an angle adjusting assembly and a distance adjusting assembly, the sleeve assembly is connected with the endoscope base assembly, the angle adjusting assembly is arranged on the sleeve assembly, the distance adjusting assembly is arranged on the endoscope base assembly, the sleeve assembly comprises a sleeve and a sleeve fixing frame, and the sleeve fixing frame is arranged on the endoscope base assembly. The sleeve is fixed to the sleeve fixing frame, the mirror base assembly comprises a mirror base fixing block, a mirror base rotating block and a mirror base body, the mirror base rotating block is rotationally arranged in the mirror base fixing block and fixed to the mirror base body, a rotating block clamping groove is formed in the mirror base rotating block, the rotating block clamping groove is matched with the angle adjusting assembly, and the angle adjusting assembly is fixed to the mirror base fixing block. And the sleeve fixing frame is connected with the lens base fixing block.

Description

Technical Field

[0001] This utility model relates to a fixation device for a discoscope and an adjustable discoscope, belonging to the field of medical devices. Background Technology

[0002] With the development of medical technology, endoscopic discectomy is increasingly being promoted and used in China. During endoscopic discectomy, a working cannula and an adjustment frame are used. The working cannula serves as the instrument channel during surgery, while the adjustment frame, connected to the working cannula, can be adjusted forward and backward as needed during the operation to adapt to the surgical requirements, thereby improving surgical efficiency.

[0003] In existing discoscopes, the working cannula and the adjustment frame are separate. They need to be assembled before surgery can be performed. The adjustment frame can only be adjusted in terms of the distance between the front and back, but not the angle. Furthermore, most discoscopes do not have an irrigation function, and a separate irrigation device is required for irrigation.

[0004] In view of this, a spreader is disclosed in patent document with application number 201610832642, and a posterior discoscopy device is disclosed in patent document with application number 200520088498. The angle adjustment and distance adjustment methods of the above-mentioned prior art documents are different from those of this application. Utility Model Content

[0005] The purpose of this invention is to overcome the above-mentioned deficiencies in the prior art and to provide a reasonably designed fixation device for intervertebral disc endoscopy and an adjustable intervertebral disc endoscopy.

[0006] The technical solution adopted by this utility model to solve the above problems is: the fixation device for intervertebral disc endoscopy is characterized by the following: it includes a sleeve assembly, a mirror base assembly, an angle adjustment assembly, and a distance adjustment assembly. The sleeve assembly is connected to the mirror base assembly, the angle adjustment assembly is disposed on the sleeve assembly, and the distance adjustment assembly is disposed on the mirror base assembly.

[0007] Furthermore, the sleeve assembly includes a sleeve and a sleeve fixing frame, the sleeve being fixed to the sleeve fixing frame; the lens mount assembly includes a lens mount fixing block, a lens mount rotating block, and a lens mount body; the lens mount rotating block is rotatably disposed within the lens mount fixing block and is fixed to the lens mount body; the lens mount rotating block is provided with a rotating block slot, the rotating block slot cooperating with an angle adjustment assembly; and the sleeve fixing frame is connected to the lens mount fixing block.

[0008] Furthermore, the lens mount assembly also includes a fixed-point spring and a fixed-point steel ball. The fixed-point spring is disposed on the lens mount body, and its two ends abut against the lens mount body and the fixed-point steel ball, respectively. The lens mount fixing block is provided with a fixed-point groove that cooperates with the fixed-point steel ball.

[0009] Furthermore, the angle adjustment assembly includes a rotating block lock core and a rotating block spring. Both the rotating block lock core and the rotating block spring are mounted on the sleeve fixing bracket, and the two ends of the rotating block spring abut against the rotating block lock core and the sleeve fixing bracket, respectively. The rotating block lock core is provided with rotating block locking teeth, which cooperate with the rotating block slot.

[0010] Furthermore, the distance adjustment assembly includes a mirror base lock cylinder, an unlocking block, an unlocking block nut, an unlocking block handle, and an unlocking block spring. The mirror base lock cylinder and the unlocking block spring are both mounted on the mirror base body, and both ends of the unlocking block spring abut against the mirror base lock cylinder and the mirror base body, respectively. The unlocking block is mounted on the mirror base body via the unlocking block nut. The mirror base lock cylinder is provided with an unlocking slot, one end of the unlocking block is located in the unlocking slot, and the unlocking block handle is located at the other end of the unlocking block.

[0011] Furthermore, the mirror base lock cylinder is provided with a locking pin limiting groove, and the mirror base body is provided with an unlocking block limiting pin, which is located within the locking pin limiting groove.

[0012] Furthermore, the mirror base lock cylinder is provided with a locking slot, and the locking slot is provided with a locking block.

[0013] Furthermore, the unlocking block is provided with an unlocking surface.

[0014] Furthermore, another technical objective of this utility model is to provide an adjustable discoscope.

[0015] The above-mentioned technical objective of this utility model is achieved through the following technical solution.

[0016] An adjustable discoscope, characterized in that it includes the aforementioned fixation device and discoscope device, wherein the discoscope device includes a discoscope body, a flushing connector, an external endoscope tube, and an internal endoscope tube. The flushing connector, external endoscope tube, and internal endoscope tube are all mounted on the discoscope body. The external endoscope tube is fitted over the internal endoscope tube, and a flushing channel is formed between the outer wall of the internal endoscope tube and the inner wall of the external endoscope tube. This flushing channel is connected to the flushing connector.

[0017] Furthermore, the discoscope body is provided with a locking rod, and the locking rod is provided with a locking groove.

[0018] Compared with the prior art, this utility model has the following advantages: the fixation device and the disc endoscope device in the medical adjustable disc endoscope with fixation device are assembled through angle adjustment components and distance adjustment components. During the operation, the disc endoscope can be adjusted back and forth at a certain pitch, or the lock core of the endoscope base can be kept in the unlocked state to achieve pitchless back and forth adjustment. In order to increase the visual range of the disc endoscope, it can be rotated and adjusted. By setting a flushing structure on the disc endoscope device, the flushing function can be realized, and no separate flushing device is needed when flushing. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the intervertebral disc endoscope device in the final position relative to the fixation device according to an embodiment of the present invention.

[0020] Figure 2 This is a schematic diagram of the intervertebral disc endoscope device in the foremost position relative to the fixation device according to an embodiment of the present invention.

[0021] Figure 3 This is a front view structural schematic diagram of the fixing device according to an embodiment of the present utility model.

[0022] Figure 4 This is a right-side structural schematic diagram of the fixing device according to an embodiment of the present utility model.

[0023] Figure 5 This is a three-dimensional structural diagram of the fixing device according to an embodiment of the present utility model.

[0024] Figure 6 This is a schematic diagram of the assembly structure of the mirror mount fixing block and the mirror mount rotating block according to an embodiment of the present invention.

[0025] Figure 7 This is a bottom view of the mirror base lock cylinder according to an embodiment of the present utility model.

[0026] Figure 8 This is a schematic diagram of the assembly (without pitch adjustment) structure of the mirror base lock cylinder and unlocking block according to an embodiment of this utility model.

[0027] Figure 9 This is a schematic diagram of the assembly (with pitch adjustment) structure of the mirror base lock cylinder and unlocking block according to an embodiment of this utility model.

[0028] Figure 10 This is a top view of the unlocking block according to an embodiment of the present invention.

[0029] Figure 11 This is a front view structural schematic diagram of the intervertebral disc endoscope device according to an embodiment of the present invention.

[0030] In the diagram: Fixation device A, discoscope device B,

[0031] Sleeve assembly A1, mirror mount assembly A2, angle adjustment assembly A3, distance adjustment assembly A4,

[0032] Sleeve A11, Sleeve Fixing Bracket A12

[0033] Lens mount fixing block A21, lens mount rotating block A22, lens mount body A23, fixed point spring A24, fixed point steel ball A25, rotating block slot A26.

[0034] Rotating block lock cylinder A31, rotating block spring A32, rotating block lock tooth A33

[0035] Mirror base lock cylinder A41, unlocking block A42, unlocking block nut A43, unlocking block handle A44, unlocking block spring A45, unlocking block limit pin A46, locking slot A47, unlocking slot A48, lock pin limit slot A49, locking block A410, unlocking surface A411.

[0036] The discoscope body B1, flushing connector B2, external endoscope tube B3, internal endoscope tube B4, locking rod B5, locking groove B6. Detailed Implementation

[0037] The present invention will be further described in detail below with reference to the accompanying drawings and through embodiments. The following embodiments are explanations of the present invention, but the present invention is not limited to the following embodiments.

[0038] Example

[0039] See Figures 1 to 11 As shown in the accompanying drawings, the structures, proportions, sizes, etc., depicted in this specification are merely for illustrative purposes to aid those skilled in the art and to provide a clear understanding. They are not intended to limit the scope of this invention and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, provided they do not affect the effectiveness or purpose of this invention, should still fall within the scope of the technical content disclosed in this invention. Furthermore, the use of terms such as "upper," "lower," "left," "right," "middle," and "one" in this specification is solely for clarity and not intended to limit the scope of this invention. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this invention.

[0040] The adjustable discoscope with fixation device in this embodiment includes a fixation device A and a discoscope device B. The discoscope device B is mounted on the fixation device A, and the discoscope device B can be adjusted in angle and distance relative to the fixation device A. That is, angle adjustment means that when the fixation device A is fixed, the discoscope device B can swing relative to the fixation device A about the axis of the endoscope tube to achieve angle adjustment; distance adjustment means that when the fixation device A is fixed, the discoscope device B can move relative to the fixation device A along the length of the endoscope tube to achieve position adjustment of the endoscope tube within the sleeve A11.

[0041] The fixation device A in this embodiment includes a sleeve assembly A1, a mirror base assembly A2, an angle adjustment assembly A3 for fixing the intervertebral disc endoscope device B after the angle relative to the fixation device A is adjusted, and a distance adjustment assembly A4 for fixing the intervertebral disc endoscope device B after the distance relative to the fixation device A is adjusted. The sleeve assembly A1 is connected to the mirror base assembly A2, the angle adjustment assembly A3 is disposed on the sleeve assembly A1, and the distance adjustment assembly A4 is disposed on the mirror base assembly A2.

[0042] In this embodiment, the cannula assembly A1 includes a cannula A11 and a cannula fixing frame A12, with the cannula A11 and the cannula fixing frame A12 fixed together. The endoscope mount assembly A2 includes an endoscope mount fixing block A21, an endoscope mount rotating block A22, and an endoscope mount body A23. The endoscope mount rotating block A22 is rotatably disposed within the endoscope mount fixing block A21, and the endoscope mount rotating block A22 is fixed to the endoscope mount body A23 so that the endoscope mount rotating block A22 and the endoscope mount body A23 rotate synchronously. The endoscope mount rotating block A22 is provided with a rotating block slot A26, which cooperates with the angle adjustment assembly A3 to fix the endoscope device B after the angle is adjusted. The cannula fixing frame A12 is connected to the endoscope mount fixing block A21.

[0043] In this embodiment, the endoscope mount assembly A2 may further include a fixed-point spring A24 and a fixed-point steel ball A25. The fixed-point spring A24 is disposed on the endoscope mount body A23, and its two ends abut against the endoscope mount body A23 and the fixed-point steel ball A25, respectively. The endoscope mount 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 endoscope device B is adjusted, the fixed-point steel ball A25 is bounced into the fixed-point groove by the fixed-point spring A24. This indicates that the intervertebral disc endoscope 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 produced. This confirms that the intervertebral disc endoscope device B and the fixing device A are on the same horizontal vertical plane. That is to say, in this state, the endoscope mount rotating block A22 can be adjusted to the left and right by a maximum range of 30° relative to the endoscope mount fixing block A21 (e.g., Figure 6 As shown in the figure, this allows for angle adjustment of the discoscope device B relative to the fixation device A.

[0044] In this embodiment, the angle adjustment component A3 includes a rotating block lock core A31 and a rotating block spring A32. Both the rotating block lock core A31 and the rotating block spring A32 are mounted on the sleeve fixing bracket A12, and the two ends of the rotating block spring A32 abut against the rotating block lock core A31 and the sleeve fixing bracket A12, respectively. The rotating block lock core A31 is provided with a rotating block locking tooth A33, which engages with the rotating block slot A26. When the rotating block lock core A31 is pressed, causing the rotating block locking tooth A33 to disengage from the rotating block slot A26, the mirror mount rotating block A22 rotates relative to the mirror mount fixing block A21. When the rotating block lock core A31 is released, under the action of the rotating block spring A32, the rotating block locking tooth A33 can be engaged into the rotating block slot A26, thereby fixing the mirror mount rotating block A22 relative to the mirror mount fixing block A21.

[0045] The distance adjustment component A4 in this embodiment includes a mirror base lock cylinder 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 cylinder A41 and the unlocking block spring A45 are both mounted on the mirror base body A23, and the two ends of the unlocking block spring A45 abut against the mirror base lock cylinder A41 and the mirror base body A23, respectively. The unlocking block A42 is mounted on the mirror base body A23 through the unlocking block nut A43. The mirror base lock cylinder A41 is provided with an unlocking slot A48, one end of the unlocking block A42 is located in the unlocking slot A48, and the unlocking block handle A44 is located at the other end of the unlocking block A42.

[0046] In this embodiment, the mirror base lock cylinder A41 can also be provided with a locking pin limiting groove A49, and the mirror base body A23 can also be provided with an unlocking block limiting pin A46. The unlocking block limiting pin A46 is located in the locking pin limiting groove A49 and can be used to limit the pressing distance of the mirror base lock cylinder A41. That is to say, when adjusting the length of the intervertebral disc endoscope device B relative to the fixing device A, it is necessary to press the mirror base lock cylinder A41, and the unlocking block limiting pin A46 can limit the mirror base lock cylinder A41.

[0047] In this embodiment, the mirror base lock cylinder A41 is provided with a locking slot A47, and the locking slot A47 is provided with a locking block A410. When the mirror base lock cylinder A41 is pressed, causing the locking block A410 to disengage from the intervertebral disc endoscope device B, the distance between the intervertebral disc endoscope device B and the fixation device A can be adjusted. When the mirror base lock cylinder A41 is released, the locking block A410 is engaged with the intervertebral disc endoscope device B under the action of the unlocking block spring A45, thereby fixing the intervertebral disc endoscope device B relative to the fixation device A.

[0048] In this embodiment, 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, which keeps the unlocking block A42 in the unlocked state. This allows for pitchless adjustment of the intervertebral disc endoscope device B (e.g., Figure 8 (As shown); Conversely, when the unlocking block A42 is rotated, causing the unlocking surface A411 to disengage from the side wall of the unlocking slot A48, the unlocking block spring A45 is in the unfolded state. In this state, pressing the endoscope base lock cylinder A41 causes the locking block A410 to disengage from the intervertebral disc endoscope device B, allowing for distance adjustment of the intervertebral disc endoscope device B relative to the fixing device A. In this state, releasing the endoscope base lock cylinder A41 causes the locking block A410 to engage with the intervertebral disc endoscope device B under the action of the unlocking block spring A45, thus fixing the intervertebral disc endoscope device B relative to the fixing device A. This allows for pitch adjustment of the intervertebral disc endoscope device B (e.g., Figure 9 (As shown).

[0049] The discoscope device B in this embodiment includes a discoscope body B1, a flushing connector B2, an external endoscope tube B3, and an internal endoscope tube B4. The flushing connector B2, the external endoscope tube B3, and the internal endoscope tube B4 are all mounted on the discoscope body B1. The external endoscope tube B3 is fitted over the internal endoscope tube B4, and a flushing channel is formed between the outer wall of the internal endoscope tube B4 and the inner wall of the external endoscope tube B3. This flushing channel is connected to the flushing connector B2.

[0050] In this embodiment, the external endoscope tube B3 and the internal endoscope tube B4 form the endoscope tube, which is inserted into the sleeve A11. The locking rod B5 is inserted into the locking hole provided in the endoscope base body A23. The intervertebral disc endoscope body B1 is provided with the locking rod B5, and the locking rod B5 is provided with the locking groove B6. The locking groove B6 cooperates with the locking block A410. There are multiple locking grooves B6, and the multiple locking grooves B6 are arranged at equal intervals. That is to say, with pitch adjustment, the locking block A410 will be locked into the locking groove B6 for fixation, while without pitch adjustment, it means that there is no need to position the intervertebral disc endoscope device B, and the intervertebral disc endoscope device B can freely extend and retract within the fixing device A.

[0051] Specifically, in this adjustable discoscope with a fixation device, the cannula A11 and the cannula fixation frame A12 are welded together. The endoscope base fixing block A21 and the cannula fixation frame A12 are connected with screws and positioning pins. Inside the endoscope base fixing block A21, there is an endoscope base rotating block A22 connected to the endoscope base body A23. The endoscope base rotating block A22 is positioned and fixed by the rotating block spring A32 and the rotating block locking cylinder A31. Pressing the rotating block locking cylinder A31 can make the endoscope base rotating block A22 rotate to the left or right. Turning the unlocking block handle A44 to the right can drive the unlocking block A42 to unlock the endoscope base locking cylinder A41, realizing the discoscope's non-pitch forward and backward adjustment. Turning the unlocking block handle A44 to the left can drive the unlocking block A42 to restore the locking function of the endoscope base locking cylinder A41, realizing the discoscope device B's pitch forward and backward adjustment at a certain pitch.

[0052] Furthermore, it should be noted that the specific embodiments described in this specification may differ in the shape and name of their components. The above description is merely illustrative of the structure of this utility model. All equivalent or simple variations made based on the structure, features, and principles described in this utility model patent concept are included within the protection scope of this utility model patent. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the structure of this utility model or exceed the scope defined in these claims, all of which should fall within the protection scope of this utility model.

Claims

1. A fixation device (A) for intervertebral disc endoscopy, characterized in that: It includes a sleeve assembly (A1), a lens mount assembly (A2), an angle adjustment assembly (A3), and a distance adjustment assembly (A4). The sleeve assembly (A1) is connected to the lens mount assembly (A2), the angle adjustment assembly (A3) is disposed on the sleeve assembly (A1), and the distance adjustment assembly (A4) is disposed on the lens mount assembly (A2).

2. The fixation device (A) for the intervertebral disc endoscope according to claim 1, characterized in that: The sleeve assembly (A1) includes a sleeve (A11) and a sleeve fixing bracket (A12), the sleeve (A11) and the sleeve fixing bracket (A12) are fixed together. The lens mount assembly (A2) includes a lens mount fixing block (A21), a lens mount rotating block (A22) and a lens mount body (A23). The lens mount rotating block (A22) is rotatably disposed within the lens mount fixing block (A21) and is fixed to the lens mount body (A23). The lens mount rotating block (A22) is provided with a rotating block slot (A26), the rotating block slot (A26) cooperates with the angle adjustment assembly (A3). The sleeve fixing bracket (A12) is connected to the lens mount fixing block (A21).

3. The fixation device (A) for the intervertebral disc endoscope according to claim 2, characterized in that: The lens mount assembly (A2) further includes a fixed spring (A24) and a fixed steel ball (A25). The fixed spring (A24) is disposed on the lens mount body (A23), and the two ends of the fixed spring (A24) abut against the lens mount body (A23) and the fixed steel ball (A25) respectively. The lens mount fixing block (A21) is provided with a fixed groove that cooperates with the fixed steel ball (A25).

4. The fixation device (A) for the intervertebral disc endoscope according to claim 1, characterized in that: The angle adjustment assembly (A3) includes a rotating block lock core (A31) and a rotating block spring (A32). Both the rotating block lock core (A31) and the rotating block spring (A32) are mounted on the sleeve fixing bracket (A12), and the two ends of the rotating block spring (A32) abut against the rotating block lock core (A31) and the sleeve fixing bracket (A12) respectively. The rotating block lock core (A31) is provided with a rotating block locking tooth (A33), which cooperates with the rotating block slot (A26).

5. The fixation device (A) for the intervertebral disc endoscope according to claim 1, characterized in that: The distance adjustment assembly (A4) includes a mirror base lock cylinder (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 cylinder (A41) and the unlocking block spring (A45) are both mounted on the mirror base body (A23), and the two ends of the unlocking block spring (A45) abut against the mirror base lock cylinder (A41) and the mirror base body (A23) respectively. The unlocking block (A42) is mounted on the mirror base body (A23) through the unlocking block nut (A43). The mirror base lock cylinder (A41) is provided with an unlocking slot (A48). One end of the unlocking block (A42) is located in the unlocking slot (A48), and the unlocking block handle (A44) is located at the other end of the unlocking block (A42).

6. The fixation device (A) for the intervertebral disc endoscope according to claim 5, characterized in that: The mirror base lock cylinder (A41) is provided with a locking pin limiting groove (A49), and the mirror base body (A23) is provided with an unlocking block limiting pin (A46), which is located inside the locking pin limiting groove (A49).

7. The fixation device (A) for the intervertebral disc endoscope according to claim 5, characterized in that: The mirror base lock cylinder (A41) is provided with a locking slot (A47), and the locking slot (A47) is provided with a locking block (A410).

8. The fixation device (A) for the intervertebral disc endoscope according to claim 5, characterized in that: The unlocking block (A42) is provided with an unlocking surface (A411).

9. An adjustable discoscope, characterized in that: The device includes the fixation device (A) and the discoscope device (B) as described in any one of claims 1-8. The discoscope device (B) includes a discoscope body (B1), a flushing connector (B2), an external endoscope tube (B3), and an endoscope tube (B4). The flushing connector (B2), the external endoscope tube (B3), and the endoscope tube (B4) are all disposed on the discoscope body (B1). The external endoscope tube (B3) is fitted over the endoscope tube (B4). A flushing channel is formed between the outer wall of the endoscope tube (B4) and the inner wall of the external endoscope tube (B3). The flushing channel communicates with the flushing connector (B2).

10. The adjustable discoscope according to claim 9, characterized in that: The disc endoscope body (B1) is provided with a locking rod (B5), and the locking rod (B5) is provided with a locking groove (B6).

Images