An endoscopic component

Abstract

The present invention relates to the technical field of medical devices, and in particular to an endoscopic component, including an outer tube. An instrument tube and an isolation tube are arranged in the inner cavity of the outer tube. A distal end head is arranged at one end of the outer tube. A tube outlet for the instrument tube to protrude is formed at the distal end head of the outer tube. At least part of the tube outlet is located on the cylindrical surface of the outer tube. An image sensor is arranged in the distal end head. Liquid outlets are symmetrically formed on the side wall of the outer tube. The space between the outer tube and the instrument tube and the isolation tube serves as a liquid inlet channel. By arranging an image sensor in the distal end head of the endoscopic instrument, wherein the transmission wire and the optical path of the image sensor are isolated by the isolation tube, and the space between the outer tube and the instrument tube and the isolation tube serves as a liquid inlet channel, the internal space is utilized to the maximum extent, the utilization rate of the internal space of the device is improved, and at the same time, each part in the device becomes more compact, thus solving the problem that the internal space of the device cannot be utilized to the maximum extent.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and specifically to an endoscopic component. Background Art

[0002] A hysteroscope is an endoscope used to examine the female reproductive organs, usually for diagnosing and treating gynecological diseases. The instrument channel of the hysteroscope is a channel for introducing and operating surgical instruments during hysteroscopic surgery.

[0003] The instrument channel of the hysteroscope usually consists of the main body part of the hysteroscope and a connector. The main hysteroscopic surgical instruments include a handle, a light source, a camera, and an operating channel. The operating channel is a channel for introducing and operating surgical instruments and is usually located on the main body part of the hysteroscope.

[0004] The operating channel usually has a certain diameter and length to introduce various surgical instruments, such as blades, forceps, and scissors. It usually has a certain flexibility and bendability to perform precise operations during hysteroscopic surgery.

[0005] The design and structure of the instrument channel of the hysteroscope usually need to consider the convenience, safety, and precision of introducing and operating surgical instruments to ensure the smooth progress of hysteroscopic surgery and maximize the surgical effect.

[0006] The instrument channel opening of traditional endoscopes is generally at the tip part, occupying a large end face position, resulting in an increase in the size of the endoscope or a reduction in the position size of other functional components. Traditional endoscopes have an independent water inlet channel, with a low effective area occupancy rate and a large amount of space waste. To address the above problems, an endoscopic component is required. Summary of the Invention

[0007] In order to solve the problems that the instrument channel opening of the endoscope is generally at the tip part, occupying a large end face position, resulting in an increase in the size of the endoscope or a reduction in the position size of other functional components, and at the same time, traditional endoscopes have an independent water inlet channel, with a low effective area occupancy rate and a large amount of space waste, an endoscopic component is needed to solve the above problems.

[0008] To achieve the above object, the present invention provides the following technical solution:

[0009] An endoscopic component includes an outer tube. An instrument tube and an isolation tube are arranged in the inner cavity of the outer tube. One end of the outer tube is provided with a tip head. The outer tube is provided with a tube outlet at the tip head for the instrument tube to protrude. At least part of the tube outlet is located on the cylindrical surface of the outer tube. An image sensor is arranged in the tip head. Liquid outlets are symmetrically arranged on the side wall of the outer tube;

[0010] The space between the outer tube and the instrument tube and the isolation tube serves as a liquid inlet channel.

[0011] As a preferred embodiment of the present invention, an angle adjustment structure is connected to the bottom of the image sensor and located in the inner cavity of the isolation tube. The angle adjustment structure includes a fixed connection plate, which is connected to the side wall of the inner cavity of the isolation tube. An adjustment screw is connected to the side wall of the fixed connection plate. The other end of the adjustment screw is connected to a moving connection plate. Fixed sliding rods are symmetrically connected to the side wall of the moving connection plate on both sides of the adjustment screw. A moving push rod is connected to the side wall of the moving connection plate. The other end of the moving push rod is connected to a connecting rod rotating shaft. Adjustment push rods are symmetrically connected to the side wall of the connecting rod rotating shaft on both sides of the moving push rod. The other end of the adjustment push rod is connected to an abutting rotating shaft. A fixed connection seat is connected to the side wall of the abutting rotating shaft. The lower fixed connection seat is connected to the bottom of the inner cavity of the front end head, and the upper fixed connection seat is connected to the bottom of the image sensor. Fixed connection seats are symmetrically connected to the bottom of the image sensor on both sides of the fixed connection seat. A rotating connection seat is connected to the fixed connection seat. The rotating connection seat is connected to the bottom of the inner cavity of the front end head.

[0012] As a preferred embodiment of the present invention, an image sensor is arranged in the front end head. The transmission wire and optical path of the image sensor are isolated by the isolation tube. One end of the device tube is provided with a guiding bend, and the guiding center line of the guiding bend forms an angle of 60° - 120° with the end face of the front end head.

[0013] As a preferred embodiment of the present invention, the length of the tube outlet is greater than the horizontal length of the bent part of the device tube. The outer tube is a straight tube structure. The end face of the front end head is an inclined end face. One end of the isolation tube is connected to one end of the front end head without a gap.

[0014] As a preferred embodiment of the present invention, the front end head is in fit with the end face of the device tube and the inner joint surface of the outer tube. One end of the bent surface of the bent part of the device tube is smoothly connected to one end of the cut surface of the tube outlet without a step.

[0015] As a preferred embodiment of the present invention, after the device tube is bent, the bent part is cut off along the flat surface of the straight tube surface of the outer tube, and the device tube is inserted into the outer tube.

[0016] As a preferred embodiment of the present invention, the connection mode between the fixed connection plate and the adjustment screw is a threaded connection. The other end of the adjustment screw is connected to the moving connection plate through a rotating seat, and the connection mode between the adjustment screw and the rotating seat is a rotating connection.

[0017] As a preferred embodiment of the present invention, the fixed connection plate is provided with connection holes corresponding to the fixed sliding rods, and the connection mode between the fixed sliding rods and the connection holes is a sliding connection. The moving push rod is provided with connection holes corresponding to the connecting rod rotating shafts, and the connection mode between the connecting rod rotating shafts and the connection holes is a rotating connection.

[0018] As a preferred embodiment of the present invention, the adjusting push rod is provided with connection holes corresponding to the connecting rod rotating shafts, and the connection mode between the connecting rod rotating shafts and the connection holes is a rotating connection. The adjusting push rod is provided with connection holes corresponding to the connecting rotating shafts, and the connection mode between the connecting rotating shafts and the connection holes is a rotating connection.

[0019] As a preferred embodiment of the present invention, the fixed connection seat and the rotating connection seat are connected by a rotating shaft, and the connection mode between the rotating connection seat and the rotating shaft is a rotating connection.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] In the present invention, through the design of opening a tube outlet on the cylindrical surface of the outer tube of the endoscopic instrument and at the end of the instrument, the tube outlet of the instrument does not occupy the size of the front end head part, and the diameter of the outer tube can be effectively reduced, thus solving the problem that the tube outlet of the instrument occupies the size of the front end head part.

[0022] In the present invention, through the design of providing a guiding bend at one end of the instrument tube in the endoscopic instrument, and the guiding center line of the guiding bend forms an angle of 60° to 120° with the end face of the front end head, thus ensuring that the viewing direction of the image sensor is synchronized with the instrument guiding, making the device more smoothly used during the operation, and thus solving the problem that the viewing direction of the image sensor cannot be synchronized with the instrument guiding.

[0023] In the present invention, through the design of providing an image sensor inside the front end head of the endoscopic instrument, and the transmission wire and optical path of the image sensor are isolated by an isolation tube, and the space between the outer tube, the instrument tube and the isolation tube is used as a liquid inlet channel, thus making the best use of the internal space, improving the utilization rate of the internal space of the device, and at the same time making each part inside the device more compact, thus solving the problem that the internal space of the device cannot be maximally utilized. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a side opening orthographic isometric view structure diagram of the present invention;

[0025] Figure 2 It is a front opening orthographic isometric view structure diagram of the present invention;

[0026] Figure 3 It is a structure diagram of the instrument tube of the present invention;

[0027] Figure 4For the present invention Figure 1 Schematic cross-sectional structure diagram;

[0028] Figure 5 For the present invention Figure 1 Schematic top view structure diagram;

[0029] Figure 6 For the present invention Figure 1 Schematic cross-sectional structure diagram;

[0030] Figure 7 Schematic structure diagram of the angle adjustment structure of the present invention;

[0031] Figure 8 For the present invention Figure 7 Enlarged structure diagram of A;

[0032] Figure 9 For the present invention Figure 7 Enlarged structure diagram of B.

[0033] In the figure: 1. Outer tube; 2. Instrument tube; 3. Isolation tube; 4. Tip head; 5. Tube outlet; 6. Image sensor; 7. Angle adjustment structure; 701. Fixed connection plate; 702. Adjusting screw; 703. Moving connection plate; 704. Fixed sliding rod; 705. Moving push rod; 706. Link rotating shaft; 707. Adjusting push rod; 708. Connecting rotating shaft; 709. Fixed connection seat; 710. Fixed connecting seat; 711. Rotating connecting seat. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] For the convenience of understanding the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0036] It should be noted that when an element is referred to as being "fixed on" another element, it can be directly on the other element or there may also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this invention belongs. The terms used in the description of the present invention herein are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0038] For embodiments, please refer to Figures 1-9 , the present invention provides a technical solution:

[0039] An endoscopic component, comprising an outer tube 1, an instrument tube 2 and an isolation tube 3 are arranged in the inner cavity of the outer tube 1, a distal end head 4 is arranged at one end of the outer tube 1, a tube outlet 5 for the instrument tube 2 to protrude is formed at the distal end head 4 of the outer tube 1, at least part of the tube outlet 5 is located on the cylindrical surface of the outer tube 1, an image sensor 6 is arranged in the distal end head 4, and liquid outlets 8 are symmetrically formed on the side wall of the outer tube 1;

[0040] The space between the outer tube 1 and the instrument tube 2 and the isolation tube 3 serves as a liquid inlet channel.

[0041] In this embodiment, referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the image sensor is installed in the distal end head 4, and at the same time, the transmission wire and optical path of the image sensor are installed in the isolation tube 3. Then, one end of a rigid instrument or a flexible instrument is inserted into one end of the instrument tube 2 and passes out through the tube outlet 5. Then, during the patient's operation, a liquid for surgery is introduced into the liquid inlet channel between the outer tube 1 and the instrument tube 2 and the isolation tube 3. After that, the liquid for surgery can be discharged from the tube outlet 5 and the liquid outlets 8;

[0042] Furthermore, the space between the outer tube 1 and the instrument tube 2 and the isolation tube 3 serves as a liquid inlet channel, which can maximize the water inflow while eliminating the need to set up a specific liquid inlet channel;

[0043] Furthermore, an image sensor is arranged in the distal end head 4, and the transmission wire and optical path of the image sensor are isolated by the isolation tube 3, which can isolate the entire electrical component from the water channel and the instrument tube 2;

[0044] Furthermore, a guiding bend is arranged at one end of the instrument tube 2, and the guiding center line of the guiding bend forms an angle of 60° to 120° with the end face of the distal end head 4, so that when the device is in use, the viewing direction of the image sensor can be guaranteed to be synchronized with the guiding of the instrument;

[0045] Furthermore, the length of the tube outlet 5 is greater than the horizontal length of the bent part of the instrument tube 2, which can ensure that the instrument passes through easily;

[0046] Furthermore, the outer tube 1 has a straight tube structure, which can better ensure the passage of the instrument;

[0047] Furthermore, the end face of the front end head 4 is an inclined end face, which is beneficial for the image sensor in the front end head 4 to peer at the instrument during the operation;

[0048] Furthermore, one end of the isolation tube 3 is seamlessly connected to one end of the front end head 4, ensuring that no liquid enters the electrical components in the isolation tube 3 and the front end head 4, thereby increasing the service life of the electrical components in the isolation tube 3 and the front end head 4;

[0049] Furthermore, the front end head 4 is fitted to the end face of the organ 2 and the inner joint surface of the outer tube 1, thereby ensuring the tightness of the entire device;

[0050] Furthermore, one end of the curved surface of the curved part of the organ 2 is smoothly connected to one end of the cut surface of the tube outlet 5 without a step, so as to ensure that the instrument can pass through the organ 2 smoothly;

[0051] Furthermore, after the organ 2 is bent, the bent part is cut off along the straight tube surface of the outer tube 1, and the organ 2 is inserted into the outer tube 1, making the device more convenient to use;

[0052] In this embodiment, referring to Figure 1 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9 , an angle adjustment structure 7 is connected to the bottom of the image sensor 6 and located in the inner cavity of the isolation tube 3. The angle adjustment structure 7 includes a fixed connection plate 701, the fixed connection plate 701 is connected to the side wall of the inner cavity of the isolation tube 3, an adjustment screw 702 is connected to the side wall of the fixed connection plate 701, the other end of the adjustment screw 702 is connected to a moving connection plate 703, fixed sliding rods 704 are symmetrically connected to both sides of the adjustment screw 702 on the side wall of the moving connection plate 703, a moving push rod 705 is connected to the side wall of the moving connection plate 703, the other end of the moving push rod 705 is connected to a connecting rod rotating shaft 706, adjustment push rods 707 are symmetrically connected to both sides of the moving push rod 705 on the side wall of the connecting rod rotating shaft 706, the other end of the adjustment push rod 707 is connected to an engagement rotating shaft 708, a fixed connection seat 709 is connected to the side wall of the engagement rotating shaft 708, the lower fixed connection seat 709 is connected to the bottom of the inner cavity of the front end head 4, the upper fixed connection seat 709 is connected to the bottom of the image sensor 6, fixed connection seats 710 are symmetrically connected to both sides of the bottom of the image sensor 6 and located at the fixed connection seat 709, a rotating connection seat 711 is connected to the fixed connection seat 710, and the rotating connection seat 711 is connected to the bottom of the inner cavity of the front end head 4;

[0053] Based on the above structure and the connection relationship of the above structure, by manually rotating the adjusting screw 702, when the adjusting screw 702 rotates, the adjusting screw 702 drives the fixed sliding rod 704, the moving connecting plate 703, the moving push rod 705, the adjusting push rod 707, the fixed connecting seat 710 and the rotating connecting seat 711 to move in sequence, so as to adjust the image sensor 6 to an appropriate angle;

[0054] Further, the connection mode between the fixed connecting plate 701 and the adjusting screw 702 is a threaded connection. The other end of the adjusting screw 702 is connected to the moving connecting plate 703 through a rotating seat. The connection mode between the adjusting screw 702 and the rotating seat is a rotating connection. A connection hole is correspondingly opened on the fixed connecting plate 701 and corresponding to the fixed sliding rod 704. The connection mode between the fixed sliding rod 704 and the connection hole is a sliding connection. A connection hole is correspondingly opened on the moving push rod 705 and corresponding to the connecting rod rotating shaft 706. The connection mode between the connecting rod rotating shaft 706 and the connection hole is a rotating connection. A connection hole is correspondingly opened on the adjusting push rod 707 and corresponding to the connecting rod rotating shaft 706. The connection mode between the connecting rod rotating shaft 706 and the connection hole is a rotating connection. A connection hole is correspondingly opened on the adjusting push rod 707 and corresponding to the connecting rotating shaft 708. The connection mode between the connecting rotating shaft 708 and the connection hole is a rotating connection. The fixed connecting seat 710 and the rotating connecting seat 711 are connected through a rotating shaft. The connection mode between the rotating connecting seat 711 and the rotating shaft is a rotating connection, making the device more convenient to use.

[0055] The working process of the present invention: When using the endoscopic instrument, first install the image sensor in the front end head 4, and at the same time install the transmission wire and optical path of the image sensor in the isolation tube 3. Then insert one end of the rigid instrument or flexible instrument into one end of the instrument tube 2 and pass through the tube outlet 5. Then during the patient's operation, introduce the liquid for surgery into the liquid inlet channel between the outer tube 1, the instrument tube 2 and the isolation tube 3. Then the liquid for surgery can be discharged from the tube outlet 5 and the liquid outlet 8, and then the device is put into surgical use;

[0056] At the same time, one end of the instrument tube 2 is provided with a guiding bend. The guiding center line of the guiding bend forms an angle of 60° to 120° with the end face of the front end head 4. Thus, during the operation, it can ensure that the viewing direction of the image sensor is synchronized with the instrument guiding, thereby improving the safety of the operation;

[0057] By designing the space between the outer tube 1, the instrument tube 2 and the isolation tube 3 as the liquid inlet channel, it is not necessary to specially set the corresponding liquid inlet channel during the design of the device, thus saving the space of the device and enabling the diameter of the device to be designed smaller;

[0058] One end of the isolation tube 3 is seamlessly connected to one end of the tip 4. The tip 4 is designed to fit snugly against the end face of the device tube 2 and the inner joint face of the outer tube 1, thereby improving the sealing performance of the device and the compactness of the entire device structure;

[0059] By arranging that the tube outlet 5 is at least partially located on the cylindrical surface of the outer tube 1, the tube outlet 5 can be entirely located on the cylindrical surface of the outer tube 1 (refer to the attached Figure 1 illustrations), or part of the tube outlet 5 is located on the tip 4 and the other part is located on the cylindrical surface of the outer tube 1 (refer to the attached Figure 2 illustrations), so that the device tube 2 occupies less or even no dimension of the tip 4 part, and the diameter of the outer tube 1 can be effectively reduced;

[0060] After that, according to the usage requirements, to enable the image sensor 6 to more clearly and intuitively display the images during the operation of the instrument. The connection between the fixed connecting plate 701 and the adjusting screw 702 is a threaded connection. The other end of the adjusting screw 702 is connected to the moving connecting plate 703 through a rotating seat. Under the condition that the connection between the adjusting screw 702 and the rotating seat is a rotational connection, by manually rotating the adjusting screw 702, when the adjusting screw 702 rotates, an engagement hole is correspondingly opened on the fixed connecting plate 701 and corresponding to the fixed sliding rod 704. Under the condition that the connection between the fixed sliding rod 704 and the engagement hole is a sliding connection, the moving connecting plate 703 is driven to move. When the moving connecting plate 703 moves, the moving push rod 705 is driven to move. When the moving push rod 705 moves, an engagement hole is correspondingly opened on the moving push rod 705 and corresponding to the link rotating shaft 706. Under the condition that the connection between the link rotating shaft 706 and the engagement hole is a rotational connection, an engagement hole is correspondingly opened on the adjusting push rod 707 and corresponding to the link rotating shaft 706. Under the condition that the connection between the link rotating shaft 706 and the engagement hole is a rotational connection, an engagement hole is correspondingly opened on the adjusting push rod 707 and corresponding to the engagement rotating shaft 708. Under the condition that the connection between the engagement rotating shaft 708 and the engagement hole is a rotational connection, the distance between the ends of the two groups of adjusting push rods 707 is adjusted. At the same time, the fixed connection seat 710 and the rotating connection seat 711 are connected by a rotating shaft. Under the condition that the connection between the rotating connection seat 711 and the rotating shaft is a rotational connection, the image sensor 6 is driven to rotate, and the image sensor 6 is adjusted to an appropriate angle, so as to more clearly and intuitively display the images during the operation of the instrument.

[0061] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An endoscopic component, comprising an outer tube (1), characterized in that: Inside the inner cavity of the outer tube (1), there are an organ tube (2) and an isolation tube (3). At one end of the outer tube (1), there is a front end head (4). At the front end head (4) of the outer tube (1), there is a tube outlet (5) for the organ tube (2) to protrude. The tube outlet (5) is at least partially located on the cylindrical surface of the outer tube (1). Inside the front end head (4), there is an image sensor (6). On the side wall of the outer tube (1), there are symmetrically arranged liquid outlets (8). The space between the outer tube (1), the organ tube (2), and the isolation tube (3) serves as a liquid inlet channel. The transmission wire and optical path of the image sensor (6) are isolated by the isolation tube (3). One end of the organ tube (2) is provided with a guiding bend, and the guiding center line of the guiding bend forms an angle of 60° to 120° with the end face of the front end head (4). The length of the tube outlet (5) is greater than the horizontal length of the bent part of the organ tube (2). The outer tube (1) is of a straight tube structure. The end face of the front end head (4) is an inclined end face. One end of the isolation tube (3) is connected to one end of the front end head (4) without a gap.

2. The endoscopic component according to claim 1, characterized in that: At the bottom of the image sensor (6) and inside the inner cavity of the isolation tube (3), there is an angle adjustment structure (7). The angle adjustment structure (7) includes a fixed connection plate (701). The fixed connection plate (701) is connected to the side wall of the inner cavity of the isolation tube (3). On the side wall of the fixed connection plate (701), there is an adjustment screw rod (702). The other end of the adjustment screw rod (702) is connected to a moving connection plate (703). On the side wall of the moving connection plate (703) and symmetrically on both sides of the adjustment screw rod (702), there are fixed sliding rods (704). On the side wall of the moving connection plate (703), there is a moving push rod (705). The other end of the moving push rod (705) is connected to a connecting rod rotating shaft (706). On the side wall of the connecting rod rotating shaft (706) and symmetrically on both sides of the moving push rod (705), there are adjustment push rods (707). The other end of the adjustment push rod (707) is connected to an engagement rotating shaft (708). On the side wall of the engagement rotating shaft (708), there is a fixed connection seat (709). The lower fixed connection seat (709) is connected to the bottom of the inner cavity of the front end head (4), and the upper fixed connection seat (709) is connected to the bottom of the image sensor (6). At the bottom of the image sensor (6) and symmetrically on both sides of the fixed connection seat (709), there are fixed engagement seats (710). On the fixed engagement seats (710), there are rotating engagement seats (711). The rotating engagement seats (711) are connected to the bottom of the inner cavity of the front end head (4).

3. An endoscopic component according to claim 1, characterized in that: The front end head (4) fits closely with the end face of the organ tube (2) and the inner joint surface of the outer tube (1). One end of the bent surface of the bent part of the organ tube (2) is smoothly connected without a step to one end of the cut surface of the tube outlet (5).

4. An endoscopic component according to claim 1, characterized in that: After the organ tube (2) is bent, the bent part is cut off along the straight tube surface of the outer tube (1) by flat cutting, and the organ tube (2) is inserted into the outer tube (1).

5. An endoscopic component according to claim 2, characterized in that: The connection mode between the fixed connection plate (701) and the adjusting screw rod (702) is a threaded connection. The other end of the adjusting screw rod (702) is connected to the moving connection plate (703) through a rotating seat, and the connection mode between the adjusting screw rod (702) and the rotating seat is a rotational connection.

6. An endoscopic component according to claim 2, characterized in that: An engagement hole is correspondingly formed on the fixed connection plate (701) and corresponding to the fixed sliding rod (704). The connection mode between the fixed sliding rod (704) and the engagement hole is a sliding connection. An engagement hole is correspondingly formed on the moving push rod (705) and corresponding to the connecting rod rotating shaft (706). The connection mode between the connecting rod rotating shaft (706) and the engagement hole is a rotational connection.

7. An endoscopic component according to claim 2, characterized in that: An engagement hole is correspondingly formed on the adjusting push rod (707) and corresponding to the connecting rod rotating shaft (706). The connection mode between the connecting rod rotating shaft (706) and the engagement hole is a rotational connection. An engagement hole is correspondingly formed on the adjusting push rod (707) and corresponding to the engagement rotating shaft (708). The connection mode between the engagement rotating shaft (708) and the engagement hole is a rotational connection.

8. An endoscopic component according to claim 2, characterized in that: The fixed engagement seat (710) is connected to the rotating engagement seat (711) through a rotating shaft. The connection mode between the rotating engagement seat (711) and the rotating shaft is a rotational connection.

Images