Side-view imaging assembly used for being matched with optical fiber probe and side-view endoscope

Abstract

The utility model discloses a side-view imaging assembly and a side-view endoscope used for being matched with an optical fiber probe, the side-view imaging assembly comprises a side-view lens, a lens containing frame, a displacement adjusting frame, a displacement spring set and a reset spring set, a probe channel is arranged in the displacement adjusting frame, and the lens containing frame is arranged on the peripheral side of one end of the displacement adjusting frame. A guide groove is formed in the lens containing frame, the side view lens and the displacement adjusting frame are fixed and movably arranged in the guide groove, a side view window is formed in the lens containing frame, one end of the displacement spring set is connected with the displacement adjusting plate, the other end of the displacement spring set is a free end, one end of the reset spring set is connected with the displacement adjusting frame, and the other end of the reset spring set is connected with the lens containing frame. According to the utility model, the side-view imaging assembly is designed by utilizing the axial extrusion and stretching phenomena of the bent inner side and outer side when the optical fiber probe is bent, the operation is convenient, and the side-view imaging of a plurality of surfaces can be realized. The side view lens is moved and reset through the displacement spring set and the reset spring set, and the displacement adjusting assembly is compact in structure and small in size.

Description

Technical Field

[0001] The utility model belongs to the field of optical imaging, and more specifically, relates to a side-view imaging assembly and a side-view endoscope for matching with an optical fiber probe. Background Art

[0002] An endoscope is a medical electronic optical instrument that can be inserted into the body cavities and internal cavities of organs in the human body for direct observation, diagnosis, and treatment. Classified according to the viewing angle, it can be divided into a forward-view type, an oblique-view type, and a side-view type. Each of the above types of endoscopes has its own application scenarios and characteristics.

[0003] The confocal microscopy endoscope used in clinical applications is an endoscope that can observe the microscopic structure and pathological conditions of living tissues in real time, and belongs to the forward-view type endoscope. However, diseases in other cavity tracts such as the gastrointestinal tract, esophagus, and biliary tract often require the observation of pathological changes in the lateral wall mucosa. Therefore, a confocal microscopy endoscope capable of side viewing is needed to observe the surface conditions of the cavity wall.

[0004] The confocal microscopy endoscope currently undergoing clinical application in the market is a medical device that can enter the natural cavities of the human body through channels such as a gastroscope, colonoscope, choledochoscope, and bronchoscope, and obtain histological images of local tissues to achieve accurate diagnosis of micro-lesions, channel lesions, and early channel canceration. It has the characteristics of being fast, accurate, and non-invasive. Therefore, the existing conventional endoscope and the confocal microscopy endoscope are used in combination, and many problems can be solved during clinical application. However, currently, all confocal microscopy endoscopes can only achieve forward viewing along the endoscope channel direction and cannot obtain lateral images. In many scenarios, lateral images provide strong support for the diagnosis and treatment of diseases in specific parts. Therefore, designing a confocal microscopy endoscopy technology capable of side viewing is a problem that needs to be solved. Summary of the Utility Model

[0005] Aiming at the above defects or improvement requirements of the prior art, the utility model provides a side-view imaging assembly and a side-view endoscope for matching with an optical fiber probe, aiming to solve the problem of side-view imaging of the existing confocal microscopy endoscope.

[0006] To achieve the above object, according to one aspect of the present utility model, a side-view imaging assembly for cooperating with an optical fiber probe is provided, which includes a side-view lens, a lens accommodating frame, and a displacement adjusting assembly. The displacement adjusting assembly includes a displacement adjusting frame, a displacement spring group, and a reset spring group. A probe channel is provided in the displacement adjusting frame. The lens accommodating frame is arranged on the circumferential side of one end of the displacement adjusting frame. A guiding groove is arranged on the lens accommodating frame along the length direction of the probe channel. The side-view lens is fixedly arranged on the displacement adjusting frame and is movably arranged in the guiding groove. A side-view window is arranged on the side wall of the lens accommodating frame within the stroke range of the guiding groove. One end of the displacement spring group is connected to the displacement adjusting frame, and the other end is a free end. One end of the reset spring group is connected to the displacement adjusting frame, and the other end is connected to the lens accommodating frame.

[0007] Through the above technical solution, the optical fiber probe is arranged in the probe channel, and the optical fiber probe cooperates with the side-view imaging assembly for side-view imaging. When side-view imaging is required, an external force pulls the optical fiber probe and the side-view imaging assembly to bend together. The springs in the displacement spring group on the inner side of the bend will be compressed, and the springs on the outer side of the bend will be stretched. The deformation of the springs in the displacement spring group drives the displacement adjusting frame to generate displacement movement, thereby driving the side-view lens fixed to the displacement adjusting frame to slide in the guiding groove, so that the side-view lens is aligned with the side-view window, thereby realizing side-view imaging on the inner side of the bend. The present utility model utilizes the axial extrusion and axial tension that occur on the inner side and the outer side of the bend of the side-view assembly respectively when the optical fiber probe bends to realize the displacement change of the displacement adjusting plate, and designs this side-view imaging assembly, which is convenient to operate. At the same time, after the displacement adjusting plate moves in place, the optical path connection between the side-view lens and the optical fiber probe for side-view light output can be realized, thereby realizing side-view imaging of the confocal probes on multiple bending sides. The movement and reset of the side-view lens are realized through the displacement spring group and the reset spring group, and the displacement adjusting assembly has a compact structure and small size.

[0008] Further, the lens accommodating frame is a hollow frame surrounded by a plurality of side plates. Card slots are provided at the connection positions of each side plate with adjacent side plates. The two card slots on each side plate are arranged opposite to each other to form the guiding groove, and the side-view window is arranged on the side plate.

[0009] Further, the displacement adjusting frame is a hollow frame surrounded by a plurality of displacement adjusting plates. The side-view lens is fixedly arranged on the displacement adjusting plate, so that the part of the displacement adjusting plate fixed with the side-view lens is movably arranged in the guiding groove.

[0010] Further, an abutting portion is formed between adjacent card slots at adjacent side plates of the lens accommodating frame. One end of a spring in the displacement spring group is arranged on the displacement adjusting plate, and the spring in the reset spring group is arranged between the adjacent displacement adjusting plates, so that one end of the spring in the reset spring group abuts against the lens accommodating frame.

[0011] Further, a spring accommodating opening is provided on the displacement adjusting plate, and a part of the end of the spring in the displacement spring group connected to the displacement adjusting frame is accommodated in the spring accommodating opening, so that the end of the displacement spring group connected to the displacement adjusting frame is located between the two ends of the reset spring group.

[0012] Further, the springs in the displacement spring group and the reset spring group are arranged in an interleaved manner.

[0013] Further, a connecting portion of the spring accommodating opening connected to one end of the spring in the displacement spring group protrudes to form a limiting block.

[0014] Further, the distance from one end of the side plate facing the reset spring group to the limiting block is 0.5 mm - 2.5 mm.

[0015] Further, the side-view lens includes a lens end and a mounting end connected to each other, and a mounting groove matching the shape of the mounting end is formed at the end of the displacement adjusting plate.

[0016] According to another aspect of the present invention, a side-view endoscope is provided, which includes the aforementioned side-view imaging assembly, and further includes an endoscope catheter and an optical fiber probe. A confocal channel and an instrument channel are arranged in the endoscope catheter. The side-view imaging assembly is located in the confocal channel, the optical fiber probe is located in the probe channel of the side-view imaging assembly, a light-emitting surface is arranged on the side of the optical fiber probe, and the light-emitting surface of the optical fiber probe corresponds to the side-view window of the side-view imaging assembly.

[0017] Generally speaking, the present invention has the following advantages:

[0018] (1) In the side-view imaging assembly of the present invention, the displacement adjusting frame and the lens accommodating frame cooperate with each other, which can not only realize the movement of the side-view lens for side-view imaging, but also reduce the diameter of the entire side-view assembly, so that it can pass through a narrow endoscope channel.

[0019] (2) The displacement spring group and the reset spring group are arranged in an interleaved manner and one end of the displacement spring group is located between the two ends of the reset spring. The two cooperate with each other and the structural design is compact, which can realize the movement and reset of the side-view lens in a narrow channel.

[0020] (3) The side-view imaging component of the present utility model can be used in combination with the fiber optic probe of a confocal microendoscope. During confocal imaging, it can perform imaging from multiple side perspectives, eliminating the need to frequently exchange instruments, simplifying the surgical procedure, being convenient to operate, and having a high degree of instrument integration.

[0021] (4) Multiple displacement adjustment plates and side plates can be provided in the present utility model to achieve imaging from multiple side perspectives.

[0022] (5) The side-view imaging operation of the present utility model is based on the existing bending operation, which is simple and convenient to operate. Description of the Drawings

[0023] Figure 1 is the overall structural schematic diagram of the side-view imaging component of the present utility model;

[0024] Figure 2 is the exploded schematic diagram of the side-view imaging component of the present utility model;

[0025] Figure 3 is the overall structural schematic diagram of the displacement adjustment component;

[0026] Figure 4 is the cross-sectional schematic diagram of the endoscope catheter of the present utility model;

[0027] Figure 5 is the planar schematic diagram of the endoscope catheter of the present utility model observed from the end cap side.

[0028] In the figures, 1, lens accommodation frame; 11, side plate; 12, guiding groove; 13, side-view window; 2, displacement adjustment frame; 21, displacement spring group; 211, support rod; 22, reset spring group; 23, displacement adjustment plate; 231, limit block; 3, side-view lens; 31, lens end; 32, mounting end; 4, fiber optic probe; 41, light-emitting surface; 42, stop block; 5, endoscope catheter; 51, confocal channel; 52, instrument channel; 53, end cap; 54, light-emitting part; 55, connecting part. Detailed Embodiments

[0029] In order to make the objectives, technical solutions, and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. In addition, the technical features involved in the various embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] As shown in Figure 1 and Figure 2As shown in the figure, the present utility model provides a side-view imaging assembly for matching with an optical fiber probe, which includes a side-view lens 3, a lens accommodating frame 1, and a displacement adjusting assembly. The displacement adjusting assembly includes a displacement adjusting frame 2, a displacement spring group 21, and a reset spring group 22. A probe channel is provided in the displacement adjusting frame 2. The lens accommodating frame 1 is arranged on the circumferential side of one end of the displacement adjusting frame 2. A guiding groove 12 is arranged on the lens accommodating frame 1 along the length direction of the probe channel. The side-view lens 3 is fixedly arranged on the displacement adjusting frame 2 and is movably arranged in the guiding groove 12. A side-view window 13 is arranged on the side wall of the lens accommodating frame 1 within the stroke range of the guiding groove 12. One end of the displacement spring group 21 is connected to the displacement adjusting frame 2 and the other end is a free end. One end of the reset spring group 22 is connected to the displacement adjusting frame 2 and the other end is connected to the lens accommodating frame 1.

[0031] The optical fiber probe 4 enters the human body. During use, the optical fiber probe 4 is located in the probe channel within the side-view imaging assembly. When reaching the target position and side-view imaging is required, the proximal end of the optical fiber probe 4 and the proximal end of the side-view imaging assembly are fixed. Specifically, the free end of the displacement spring group 21 is fixed, and the proximal end of the optical fiber probe 4 is fixed. The operator drives the distal end of the optical fiber probe 4 and the side-view imaging assembly to bend by pulling the steel wire. The lens accommodating frame 1 changes its position together with the distal end of the optical fiber probe 4, so that their relative positions do not change. The springs in the displacement spring group 21 that are inside the bend are compressed, and the springs on the outer side of the bend are stretched. The deformation of the springs drives the displacement adjusting frame 2 to generate displacement movement, so that the side-view lens 3 fixed on the displacement adjusting frame 2 moves in the guiding groove 12. When the side-view lens 3 moves to the side-view window 13, at this time, the side-view lens 3 is close to the tissue, and the optical path formed by the distal end of the optical fiber probe 4 and the side-view lens 3 together can realize side-view imaging of the inner side of the bend. When the side-view imaging is completed, the operator operates the optical fiber probe 4 to return from the bent state to the initial state. At this time, the springs in the displacement spring group 21 reset, the displacement adjusting frame 2 returns to the initial position, and the lens accommodating frame 1 is always subjected to the abutting force of the reset spring and thus maintains the initial distance from the displacement adjusting frame 2.

[0032] By matching the side-view imaging assembly provided by the present utility model with a confocal microscope endoscope with side-view light output, bending the distal end of the optical fiber probe 4 can achieve the alignment of the side-view lens 3 and the side-view window 13, so as to perform side-view imaging. Canceling the bending operation of the optical fiber probe 4, the side-view imaging assembly can return to the initial state. Bending the distal end of the optical fiber probe 4 is one of the relatively mature operations in the current confocal microscope endoscope, which can be achieved by pulling the steel wire in the endoscope pipeline, facilitating the optical fiber probe 4 to travel in various curved and narrow pipelines. Therefore, the side-view imaging of the present utility model is based on the conventional operations of existing instruments and does not require additional operation drive, making it more proficient and convenient for clinical application personnel to operate.

[0033] In addition, since both the side-view imaging assembly and the fiber optic probe 4 of the present utility model need to enter the human body through a narrow endoscope pipeline, and the movable cavity space is very narrow, therefore, the lens accommodating frame and the displacement adjusting frame of the present utility model are designed in a nested manner, and there is also a probe channel inside to ensure the passage of the fiber optic probe 4 while controlling the overall size to be relatively small.

[0034] Specifically, the lens accommodating frame 1 is a hollow frame formed by connecting a plurality of side plates 11. At the connection of each side plate 11 with the adjacent side plate 11, a card slot is provided. Two card slots on each side plate 11 are arranged opposite to each other to form a guiding groove 12. The side-view window 13 is arranged on the side plate 11. The side-view window 13 is located at the distal end of each side plate 11 and can be in a "U" shape, a square shape or other shapes in specific embodiments. In some embodiments, there are four side plates 11, and the formed lens accommodating frame 1 is a square frame. Then, side-view lenses 3 can be arranged to slide inside the four sides of the lens accommodating frame 1, so as to realize side-view imaging of four sides. In other embodiments, the number of side plates 11 can be five, six, eight, etc., so as to realize side-view imaging of five sides, six sides, eight sides, etc.

[0035] Specifically, the displacement adjusting frame 2 is a hollow frame formed by a plurality of displacement adjusting plates 23. The side-view lens 3 is fixedly arranged on the displacement adjusting plate 23, so that a part of the displacement adjusting plate 23 fixed with the side-view lens 3 is movably arranged in the guiding groove 12.

[0036] Specifically, the side-view lens 3 is embedded at the distal end of the displacement adjusting plate 23, and the displacement adjusting plate 23 is located in the guiding groove 12 and corresponds to the guiding groove 12 one by one. When the number of side plates 11 is four, the number of displacement adjusting plates 23 is also four, and the numbers correspond to each other. The lens accommodating frame 1 is arranged on the peripheral side of the displacement adjusting frame 2. The displacement adjusting plate 23 can move in the guiding groove 12. That is, when the fiber optic probe 4 and the side-view imaging assembly bend towards a certain side, the lens accommodating frame 1 changes its position together with the distal end of the fiber optic probe 4, so that their relative positions do not change. The springs in the displacement spring group 21 inside the bend will be compressed, and the springs on the outer side of the bend will be stretched. The deformation of the springs drives the displacement adjusting frame 2 to generate displacement movement, so that the side-view lens 3 fixed on the displacement adjusting plate 23 moves in the guiding groove 12, facilitating the accurate alignment of the side-view lens 3 with the side-view window 13.

[0037] Furthermore, as Figure 3 shown, the side-view lens 3 includes a lens end 31 and a mounting end 32 which are connected to each other. The end of the displacement adjusting plate 23 is provided with a mounting groove whose shape matches that of the mounting end 32. The side-view lens 3 is mounted at the end of the displacement adjusting plate 23. When the displacement adjusting plate 23 moves in the guiding groove 12, it can drive the side-view lens 3 to move inside the lens accommodating frame 1, realizing the adjustment of the side-view lens 3.

[0038] More specifically, the lens end 31 and the mounting end 32 of the side-view lens 3 are integrally in an "I" shape. The concave portion between the lens end 31 and the mounting end 32 can make the side-view lens 3 more firmly embedded at the end of the displacement adjustment plate 23 and is not easily detached.

[0039] Furthermore, the lens accommodating frame 1 forms an abutting portion between adjacent card slots at adjacent side plates 11. One end of the spring in the displacement spring group 21 is arranged on the displacement adjustment plate 23, and the spring in the reset spring group 22 is arranged between adjacent displacement adjustment plates 23, so that one end of the spring in the reset spring group 22 abuts against the lens accommodating frame 1.

[0040] Furthermore, a spring accommodating opening is provided on the displacement adjustment plate 23, and a part of the end of the spring in the displacement spring group 21 connected to the displacement adjustment frame 2 is accommodated in the spring accommodating opening, so that the end of the displacement spring group 21 connected to the displacement adjustment frame 2 is located between the two ends of the reset spring group 22. By providing the spring accommodating opening, the part of the displacement spring group 21 located on the displacement adjustment plate 23 can be accommodated therein. On the one hand, it enables the reset spring group 22 to better recover the deformation generated by the displacement spring group 21. On the other hand, it can reduce the size of the entire side-view imaging assembly.

[0041] Specifically, the springs in the displacement spring group 21 and the reset spring group 22 are arranged in an interleaved manner. The number of springs in the displacement spring group 21 needs to be the same as the number of displacement adjustment plates 23. Therefore, one spring can be distributed on each side-view surface. When the spring on this side-view surface is compressed, the side-view lens 3 on this side-view surface can slide. The number of springs in the reset spring group 22 is at least 2, and it does not need to be the same as the number of side plates 11. It only needs to be symmetrically distributed around the lens accommodating frame 1, so that the abutting force received by the entire lens accommodating frame 1 is symmetric. Preferably, the number of springs in the reset spring group 22 is the same as the number of springs in the displacement spring group 21.

[0042] Furthermore, the connecting portion of the spring accommodating opening connected to one end of the spring in the displacement spring group 21 protrudes to form a limiting block 231. The spring in the displacement spring group 21 is arranged between two adjacent springs in the reset spring group 22, and one end of it is fixed to the limiting block 231. The limiting block 231 can limit the moving distance of the displacement adjustment plate 23 within the lens accommodating frame 1, thereby limiting the moving distance of the side-view lens 3. In addition, by using the limiting block 231 provided at the connection between the displacement spring group 21 and the displacement adjustment plate 23, first, the overall structure is compact; second, when side-view imaging, it can prevent the displacement adjustment frame 2 on the imaging side from bending at too large an angle and causing excessive extrusion between the lens accommodating frame 1 and damaging the side-view lens 3; third, when side-view imaging, it can prevent the displacement adjustment frame 2 from moving beyond the elastic limit of the displacement spring group 21 and the reset spring group 22 and being unable to reset.

[0043] Specifically, the distance from one end of the side plate 11 facing the reset spring group 22 to the limit block 231 is 0.5 mm - 2.5 mm. The setting of the distance within this range can meet the imaging requirements of different parts. For some detection parts that need to be bent more, the distance is larger; for some detection parts that need to be bent less, the distance is smaller.

[0044] The connection between the displacement spring group 21 and the fiber optic probe 4 can be achieved by arranging a stop block 42 on the circumferential side of the fiber optic bundle of the fiber optic probe 4. A support rod is fixed between the displacement adjustment frame 2 and the stop block 42, and the springs in the displacement spring group 21 are sleeved on the support rod. The fiber optic probe 4 passes through the stop block 42 and can slide within the stop block 42. During use, first place the side-view imaging assembly into the endoscope catheter, and then insert the fiber optic probe 4.

[0045] In some embodiments, the number of side plates 11 is four, the number of displacement adjustment plates 23 is four, and the numbers of both the reset spring group 22 and the displacement spring group 21 are 4. The 4 reset springs are distributed at the connection of two adjacent displacement adjustment plates 23, and thus correspondingly abut against the resisting parts at the connection of two adjacent side plates 11. Also, because the displacement spring group 21 and the reset spring group 22 are arranged alternately, therefore, the 4 displacement springs are distributed in the middle of the 4 displacement adjustment plates 23.

[0046] The present utility model also proposes a side-view endoscope, as Figure 4 and Figure 5 shown, which includes the aforementioned side-view imaging assembly, and also includes an endoscope catheter 5 and a fiber optic probe 4. A confocal channel 51 and an instrument channel 52 are arranged inside the endoscope catheter 5. The side-view imaging assembly is located in the confocal channel 51, the fiber optic probe 4 is located in the probe channel of the side-view imaging assembly, a light-emitting surface 41 is arranged on the side surface of the fiber optic probe 4, and the light-emitting surface 41 of the fiber optic probe 4 corresponds to the side-view window 13.

[0047] When the side-view lens 3 is operated to move within the lens accommodation frame 1 and is aligned with the side-view window 13, the light-emitting surface 41 of the fiber optic probe 4, the side-view lens 3, and the side-view window 13 are aligned in sequence, and side-view imaging can be achieved.

[0048] Specifically, the end of the light-emitting surface 41 of the fiber optic probe 4 is a trapezoidal prism, and the light-emitting surface 41 is arranged on the side waist surface of the trapezoidal prism. By arranging the light-emitting surface 41 on the side waist surface of the fiber optic probe 4, it is convenient for the light on the object side to enter the interior of the fiber optic probe 4 in sequence through the side-view window 13, the side-view lens 3, and the light-emitting surface 41, and then be transmitted back to the confocal host along the optical fibers inside the fiber optic probe 4 for confocal imaging analysis.

[0049] Furthermore, a end cap 53 is also sleeved on the distal end of the endoscope catheter 5. The end cap 53 includes a light-emitting portion 54 and a connecting portion 55. The light-emitting portion 54 protrudes from the connecting portion 55, so that the end cap 53 is in a stepped shape.

[0050] During use, the fiber optic probe 4 enters the human body through the confocal channel 51 of the endoscope catheter 5 to perform confocal imaging on the target tissue. Since the outlet of the confocal channel 51 is farther than the instrument channel 52, when performing side-view imaging, the distal end of the fiber optic probe 4 is located in the light-emitting portion 54 inside the end cap 53. At the same time, in cooperation with the side-view imaging component at the distal end inside the confocal channel 51, the fiber optic probe 4 located in the protruding light-emitting portion 54 can collect the emitted light from the side and will not be blocked by the surroundings, thereby realizing side-view imaging.

[0051] Those skilled in the art can easily understand that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A side-view imaging component for use with an optical fiber probe, characterized in that, It includes a side-view lens, a lens accommodating frame, and a displacement adjustment assembly. The displacement adjustment assembly includes a displacement adjustment frame, a displacement spring group, and a reset spring group. A probe channel is provided in the displacement adjustment frame. The lens accommodating frame is arranged on the circumferential side of one end of the displacement adjustment frame. A guiding groove is provided on the lens accommodating frame along the length direction of the probe channel. The side-view lens is fixedly arranged on the displacement adjustment frame and is movably arranged in the guiding groove. A side-view window is provided on the side wall of the lens accommodating frame within the stroke range of the guiding groove. One end of the displacement spring group is connected to the displacement adjustment frame, and the other end is a free end. One end of the reset spring group is connected to the displacement adjustment frame, and the other end is connected to the lens accommodating frame.

2. The side view imaging component according to claim 1, wherein The lens accommodating frame is a hollow frame formed by connecting multiple side plates. A card slot is provided at the connection of each side plate with an adjacent side plate. Two card slots on each side plate are arranged oppositely to form the guiding groove. The side-view window is provided on the side plate.

3. The side view imaging component according to claim 2, wherein The displacement adjustment frame is a hollow frame formed by multiple displacement adjustment plates. The side-view lens is fixedly arranged on the displacement adjustment plate, so that the part of the displacement adjustment plate fixed with the side-view lens is movably arranged in the guiding groove.

4. The side view imaging component according to claim 3, wherein An abutting portion is formed between adjacent card slots at the adjacent side plates of the lens accommodating frame. One end of the spring in the displacement spring group is arranged on the displacement adjustment plate, and the spring in the reset spring group is arranged between the adjacent displacement adjustment plates, so that one end of the spring in the reset spring group abuts against the lens accommodating frame.

5. The side view imaging component according to claim 4, wherein A spring accommodating opening is provided on the displacement adjustment plate. A part of the end of the spring in the displacement spring group connected to the displacement adjustment frame is accommodated in the spring accommodating opening, so that the end of the displacement spring group connected to the displacement adjustment frame is located between the two ends of the reset spring group.

6. The side view imaging component according to claim 5, wherein The springs in the displacement spring group and the springs in the reset spring group are arranged alternately with each other.

7. The side-view imaging assembly according to claim 5, wherein The connecting portion of the spring accommodating opening connected to one end of the spring in the displacement spring group protrudes to form a limiting block.

8. The side-view imaging component according to claim 7, wherein The distance from the end of the side plate facing the reset spring group to the limiting block is 0.5 mm - 2.5 mm.

9. The side view imaging component according to claim 3, wherein The side-view lens includes a lens end and a mounting end connected to each other. A mounting groove matching the shape of the mounting end is provided at the end of the displacement adjustment plate.

10. A side-view endoscope, characterized in that, It includes the side-view imaging assembly according to any one of claims 1 - 9, and further includes an endoscope catheter and an optical fiber probe. A confocal channel and an instrument channel are provided in the endoscope catheter. The side-view imaging assembly is located in the confocal channel. The optical fiber probe is located in the probe channel of the side-view imaging assembly. A light-emitting surface is provided on the side of the optical fiber probe. The light-emitting surface of the optical fiber probe corresponds to the side-view window of the side-view imaging assembly.

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