CN221690864U - Externally-hung type endoscope flushing and sucking assembly and endoscope - Google Patents

Abstract

The utility model discloses an externally-hung endoscope flushing and sucking assembly and an endoscope, wherein the externally-hung endoscope flushing and sucking assembly comprises the following components: the device comprises a connecting base, a sleeve and a punching and sucking pipe assembly, wherein the sleeve is arranged on the connecting base, the punching and sucking pipe assembly is arranged on the sleeve, a placement cavity is formed in the connecting base, the placement cavity can accommodate the front end base of the endoscope and is inserted into the placement cavity, and an insertion part at the front end of the endoscope is arranged in the sleeve in a penetrating manner; the clamping groove is formed in the side wall of the placement cavity and is matched with the optical fiber interface on the front end of the cavity mirror, and when the front end base of the cavity mirror is inserted into the placement cavity, the optical fiber interface on the front end of the cavity mirror can be clamped and positioned. The scheme provided by the utility model realizes that a set of plug-in type endoscope flushing and sucking assembly can be matched with endoscopes of different specifications by matching with the optical fiber interface on the endoscope, thereby effectively reducing the use cost and improving the practicability.

Description

An external laparoscope flushing and suction assembly and laparoscope

Technical Field

The utility model relates to medical equipment, in particular to laparoscope instrument technology.

Background Art

In order to adapt to the complex situations during minimally invasive surgery, existing laparoscopes are generally equipped with corresponding flushing and suction components, which are used for different operations such as sucking blood, flushing wounds, and sucking liquid tissue during surgery. This avoids the need for different physicians to control different devices to achieve operations such as sucking blood, flushing wounds, and sucking liquid groups during minimally invasive surgery, effectively reducing costs and operational complexity.

There are generally two matching schemes between the flushing and suction components configured in the existing laparoscope and the laparoscope body:

The first is that the flushing and suction assembly is fixedly arranged on the laparoscope body. Such an arrangement requires an overall change in the overall structure of the laparoscope, making the laparoscope structure more complicated, which not only increases the cost, but also makes it difficult to clean and disinfect after use, increasing the risk of use.

The second type is that the flushing and suction assembly is matched with the laparoscope body in a disposable manner, so that the flushing and suction assembly is a one-time assembly; this type of flushing and suction assembly is generally adapted and connected to the base at the front end of the laparoscope, so that the two can be stably combined when in use and can be separated from each other when not in use. However, in actual application, the structures of laparoscope bodies of different specifications are different, resulting in the need to adapt a set of flushing and suction assemblies for laparoscopes of different specifications, which not only greatly affects the practicality of the flushing and suction assemblies, but also increases the cost of using such flushing and suction assemblies.

Utility Model Content

In view of the problems existing in the existing flushing and suction assemblies for laparoscopes, the purpose of the utility model is to provide an external laparoscope flushing and suction assembly, which can adapt to laparoscopy of different specifications and be stably and detachably connected to the laparoscope; on this basis, the utility model also provides a laparoscope with an external flushing and suction tube.

In order to achieve the above-mentioned purpose, the utility model provides an external laparoscope flushing and suction assembly, including: a connecting base, a sleeve and a flushing and suction pipe assembly, the sleeve is arranged on the connecting base, the flushing and suction pipe assembly is placed on the sleeve, and the connecting base is provided with a placement cavity, the placement cavity can accommodate the front end base of the laparoscope to be inserted therein, and the insertion part of the front end of the laparoscope is passed through the sleeve; a card groove is provided on the side wall of the placement cavity, and the card groove matches the optical fiber interface on the front end of the laparoscope, and can be carded and positioned on the optical fiber interface on the front end of the laparoscope when the front end base of the laparoscope is inserted in the placement cavity.

In some embodiments of the present invention, the slot opening gradually becomes smaller along the extending direction of the slot.

In some embodiments of the present invention, at least one positioning area matching the optical fiber interface on the front end of the laparoscope is provided in the card slot.

In some embodiments of the present invention, the flushing and suction tube assembly and the sleeve can move relative to the laparoscope insertion portion inserted in the sleeve.

In some embodiments of the utility model, a movable cavity is provided in the connection base, and the flushing and suction tube assembly and the sleeve are connected with a connecting piece to form a movable assembly, and the connecting piece is movably arranged in the movable cavity in the connection base.

In some embodiments of the present invention, a driving rack portion is provided on the coupling member.

In some embodiments of the present invention, at least one elastic fin is provided on the coupling member, and the elastic fin can form elastic abutment with the cavity wall of the moving cavity to form elastic damping.

In some embodiments of the present invention, a guide structure is formed between the coupling member and the cavity wall of the movable cavity.

In some embodiments of the present invention, the flushing and suction tube assembly includes at least one tube body and a connecting joint, and the connecting joint is arranged on the coupling and communicated with the tube body.

In order to achieve the above-mentioned purpose, the utility model provides a laparoscope with an externally mounted flushing and suction tube, comprising a laparoscope body and an externally mounted laparoscope flushing and suction assembly. The front end base of the laparoscope can be inserted into the placement cavity in the connecting base in the externally mounted laparoscope flushing and suction assembly, and the insertion portion of the front end of the laparoscope is passed through the sleeve, and at the same time, it is connected to the card slot on the connecting base through the optical fiber interface on the front end base of the laparoscope.

The external laparoscope flushing and suction component solution provided by the utility model can be mounted on the laparoscope in a disposable (i.e. detachable) manner, so that the laparoscope can have the flushing and suction function without changing or improving the laparoscope and without affecting the original function or performance (such as the inspection function) of the laparoscope itself, thereby greatly improving the convenience of laparoscope operation.

The external laparoscope flushing and suction component solution provided by the utility model cooperates with the optical fiber interface on the laparoscope, so that a set of external laparoscope flushing and suction components can be adapted to laparoscopes of different specifications, effectively reducing the cost of use and improving practicality.

The external laparoscope flushing and suction assembly solution provided by the utility model can further effectively improve the stability and reliability of the operation of the external laparoscope flushing and suction assembly through the optimized arrangement of components such as elastic fins.

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention is further described below in conjunction with the accompanying drawings and specific implementations.

FIG1 is a schematic diagram of the structure of an ear endoscope involved in the present utility model;

FIG2 is a schematic diagram of the overall structure of the external laparoscope flushing and suction assembly in Example 1 of the present utility model;

FIG3 is a cross-sectional view of the external laparoscope flushing and suction assembly in Example 1 of the present utility model;

FIG4 is a schematic diagram of the structure of the external laparoscope flushing and suction assembly in Example 2 of the present utility model;

FIG5 is a structural diagram of a connecting base in Example 2 of the present utility model;

FIG. 6 is a structural diagram of a connecting member in Example 2 of the present utility model.

DETAILED DESCRIPTION

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific illustrations.

Example 1

Referring to Fig. 1, it is a schematic diagram of the structure of the ear endoscope 10 involved in this example. As can be seen from the figure, the ear endoscope 10 mainly comprises a front end base 11, a front end insertion portion 12 arranged on the front end base 11, and an optical fiber interface 13 arranged on the side wall of the front end base 11.

When setting up an external flushing and suction tube for an ear endoscope 10 with such a structure, it is detachably connected to the front end portion 14 of the front end base 11 on the ear endoscope 10, thereby achieving a disposable (i.e. detachable) manner to be hung on the outside of the insertion portion 12 of the ear endoscope 10, and can be distributed along the length direction of the front end insertion portion of the laparoscope.

Since the front end base 11 and the front end portion 14 of the laparoscope body of different specifications have different structural forms, it is necessary to adapt the corresponding external flushing and suction tube according to the front end base 11 and the front end portion 14 of the laparoscope of different specifications to achieve a detachable connection.

In this regard, this example provides an external laparoscope flushing and suction assembly, which abandons the existing solution of detachably connecting with the front end base of the laparoscope, and innovatively detachably connects with the optical fiber interface 13 provided on the front end base of the laparoscope, thereby realizing stable detachable assembly between the external laparoscope flushing and suction assembly and the front end base of the laparoscope.

Since the optical fiber interface 13 provided on the front end base of the laparoscope has an industry standard structure and size, and is fixed in a circular shape, the optical fiber interfaces on laparoscope bodies of different specifications are basically the same in size, structure and shape. Based on this, the present solution can effectively realize that a set of external laparoscope flushing and suction components can effectively adapt (i.e., be compatible) to different laparoscope bodies of different specifications.

2 and 3 , which show an example of the composition of the external laparoscope flushing and suction assembly 20 in this example. As can be seen from the figure, the external laparoscope flushing and suction assembly 20 provided in this example mainly includes a connecting base 21, a sleeve 22, and a flushing and suction pipe assembly 23 in terms of composition structure.

The connecting base 21 in this example serves as the basic component of the entire external laparoscope flushing and suction assembly 20, is used to connect other components, and can form a detachable connection structure with the front end base 11 on the ear endoscope 10 to achieve the subsequent disposable function.

The connecting base 21 is directly mounted on the front end base 11 of the ear endoscope 10 and cooperates with the optical fiber interface 13 on the front end base 11 to form a stable detachable connection structure, thereby achieving a detachable connection with the front end base 11 of the ear endoscope 10.

The sleeve 22 in the external laparoscope flushing and suction assembly 20 is placed on the connecting base 21. When the connecting base 21 is sleeved on the front end base 11 of the ear endoscope 10, the ear endoscope insertion part 12 can be inserted therein, and can be sleeved on the ear endoscope insertion part 12 to serve as an installation support component of the external laparoscope flushing and suction tube assembly 23.

One end of the flushing and suction pipe assembly 23 in the present externally mounted laparoscope flushing and suction assembly 20 is placed on the connection base 21, and the main body is placed on the outer wall of the sleeve 22 and distributed along the length direction of the sleeve, so as to be externally mounted on the outside of the front end insertion part 12 of the laparoscope. In this way, by connecting the flushing and suction pipe assembly 23 distributed on the outside of the front end insertion part 12 of the laparoscope to the corresponding flushing/suction power source, flushing and suction actions can be performed, and then the "flushing" and/or "suction" functions can be synchronously realized in cooperation with the front end insertion part 12 of the laparoscope.

In some embodiments of the present example, the connecting base 21 in the external laparoscope flushing and suction assembly 20 adopts a circular sleeve structure as a whole. The connecting base 21 is open at one end and a sleeve 22 is arranged at the other end. A corresponding placement cavity 21a is formed inside the connecting base 21. The placement cavity 21a is connected to the sleeve 22 on the placement connecting base 21, and can accommodate the front end base 11 of the ear endoscope 10 to be inserted therein, while allowing the insertion portion 12 at the front end of the laparoscope to be inserted into the sleeve 22.

In this example, the specific structural form of the placement cavity 21a is not limited and can be determined according to actual needs, as long as it can effectively adapt to the structure of the front end base 11 of the ear endoscope 10 and allow it to be placed therein.

Preferably, the placement cavity 21a here adopts a circular cavity structure, and the inner diameter of the cavity is larger than the outer diameter of the front end base 11 of the general ear endoscope 10, thereby being compatible with the front end base 11 of the ear endoscope 10 of various specifications.

In view of the fact that the optical fiber interface 13 in the ear endoscope 10 is generally arranged on the side wall of the front end base 11 and is distributed perpendicular to the center of the front end base 11, in this example, a corresponding card groove 21b is opened on the cavity wall of the placement cavity 21a (that is, the side wall of the connecting base 21), and the card groove 21b extends from the opening end of the placement cavity 21a along the axial direction of the front end base 11 on the cavity wall of the placement cavity 21a; at the same time, the card groove 21b matches the optical fiber interface 13 on the front end of the laparoscope, and can form a card connection with the optical fiber interface 13 inserted therein, so as to keep the optical fiber interface 13 fixed therein.

Specifically, the slot 21 b can be clamped and fixed to the optical fiber interface 13 inserted in the slot 21 b based on the elastic deformation of the cavity walls on both sides thereof.

As a further preferred arrangement, when the slots 21b in this example are distributed, the size of the slots gradually decreases along the direction in which the slots extend. The slots 21b with gradually decreasing slots can facilitate the insertion of the optical fiber interface 13 and can gradually clamp the inserted optical fiber interface 13, which can also adapt to the differences between different optical fiber interfaces 13.

Furthermore, in this example, at least one positioning area 21c matching the optical fiber interface 13 on the front end of the laparoscope is provided in the slot 21b, and the positioning area 21c can accommodate the optical fiber interface 13 and limit the movement of the optical fiber interface 13 along the slot 21b, so as to limit the optical fiber interface 13 in the positioning area 21c.

Specifically, the positioning area 21c is mainly composed of arc grooves 21d symmetrically distributed on both sides of the slot 21b and a space area between the two arc grooves 21d. In this way, when the optical fiber interface 13 moves along the slot 21b into the positioning area 21c, the two arc grooves 21d on both sides will be able to fit the outer side of the optical fiber interface 13 to form abutment, so as to achieve the clamping and positioning of the optical fiber interface 13 entering the positioning area 21c, so that the optical fiber interface 13 is not easy to be separated from the positioning area 21c.

The card slot 21b of such a structure can cooperate with the placement cavity 21a to realize the clamping and positioning of the optical fiber interface 13 on the front end base 11 on the ear endoscope 10, thereby realizing the detachable connection of the front end base of the ear endoscope inserted in the placement cavity 21a; based on this detachable connection structure, the disposable matching setting of the external laparoscope flushing and suction assembly 20 relative to the ear endoscope 10 is realized.

In some embodiments of this example, the sleeve 22 in the external laparoscope flushing and suction assembly 20 is fixedly disposed at one end of the connecting base 21 and communicates with the placement cavity 21a in the connecting base 21 to allow the ear endoscope insertion portion 12 to pass through.

As an example, the sleeve 22 is in the shape of an original tube as a whole and its inner diameter corresponds to the outer diameter of the ear endoscope insertion part 12, so that it can be sleeved on the ear endoscope insertion part 12, which does not have a significant impact on the outer diameter of the ear endoscope insertion part 12 and does not affect the operation and function of the ear endoscope insertion part 12.

The sleeve 22 of such a structure is fixedly arranged on the connecting base 21, and can be just sleeved on the insertion part 12 of the ear endoscope when the connecting base 21 is detachably connected to the front end base 11 on the ear endoscope 10.

There is no limitation on other specific configurations of the sleeve 22, which can be determined according to actual needs.

In some embodiments of the present example, the flushing and suction tube assembly 23 in the external laparoscope flushing and suction assembly 20 specifically includes at least one flushing and suction tube 23a and a connecting joint 23b, wherein one end of at least one flushing and suction tube 23a is fixedly disposed on the connecting base 21, and the tube body of each flushing and suction tube 23a is fixedly disposed on the outer wall of the sleeve 22 as a whole and distributed along the length direction of the sleeve 22; in coordination therewith, the front end of the connecting joint 23b is fixedly disposed on the connecting base 21 and is connected to one end of the flushing and suction tube 23a disposed in the connecting base 21, and the rear end of the connecting joint 23b is used to connect to different power sources, thereby realizing flushing and suction actions.

There is no limitation on other specific configurations of the flushing and suction tube assembly 23, which can be determined according to actual needs.

When the external laparoscope flushing and suction assembly 20 formed in this example is used in conjunction with the otoscope 10, it is only necessary to insert the insertion portion 12 on the otoscope 10 through the placement cavity 21a on the connecting base 21 in the external laparoscope flushing and suction assembly 20 and into the sleeve 22; as the otoscope 10 moves relative to the connecting base 21, the front end base 11 on the otoscope 10 is inserted into the placement cavity 21a on the connecting base 21, and at the same time, the optical fiber interface 13 on the front end base 11 of the otoscope 10 is inserted into the card slot 21b on the placement cavity 21a from the opening of the card slot 21b; as the front end base 11 of the otoscope 10 is gradually inserted into the connecting base 21 In the placement cavity 21a on the connecting base 21, the optical fiber interface 13 on the front end base 11 moves synchronously along the card slot 21b, and the card slot 21b will gradually clamp the optical fiber interface 13; finally, when the front end base 11 of the ear endoscope 10 is fully inserted into the placement cavity 21a on the connecting base 21, the optical fiber interface 13 on the front end base 11 is just clamped into the positioning area 21c in the card slot 21b, and the card slot 21b realizes the clamping and positioning of the optical fiber interface 13, thereby realizing the detachable connection of the front end base of the ear endoscope inserted in the placement cavity 21a; based on the detachable connection structure, the disposable matching setting of the external laparoscope flushing and suction assembly 20 relative to the ear endoscope 10 is realized.

At this time, the operator (such as a physician) can use both hands to perform multiple functions at the same time. In addition to the normal operation of endoscopic surgery, flushing, suction and other operations can also be performed at the same time.

Similarly, based on the feature of snap-fitting with the laparoscope fiber optic interface 13, the external laparoscope flushing and suction assembly 20 can also be adapted to other different endoscopes, can be effectively compatible with endoscopes of different specifications, and can achieve a stable detachable connection, which can also improve the convenience of operation, reduce the effect of wounds, and greatly improve the efficiency and safety of endoscopic surgery.

In addition, since the external laparoscope flushing and suction assembly 20 is a detachable instrument attached to the endoscope, it can be used as a disposable product during actual application, which effectively solves the problem of difficult disinfection.

Example 2

This example provides a telescopic external laparoscope flushing and suction assembly 20 based on the scheme of Example 1. Different from the fixed arrangement of the flushing and suction tube in Example 1, the flushing and suction tube in this example scheme can be telescopically operated, thereby further improving its performance.

Refer to Figure 4, which shows an example of the composition of the retractable external flushing and suction straw given in this example.

As can be seen from the figure, the external laparoscope flushing and suction assembly 20 mainly comprises a connecting base 21, a sleeve 22, a flushing and suction tube assembly 23, and a connecting piece 24.

The connecting piece 24 is movably arranged in the connecting base 21 as a whole, and the sleeve 22 and the flushing and suction tube assembly 23 cooperate with each other and pass through the connecting base 21 to be connected to the connecting piece 24, thereby forming a movable assembly that can be telescopically moved relative to the connecting base 21.

Specifically, the connecting base 21 in this example has the same basic structure and function as that in Example 1, and serves as the basic component of the entire external laparoscope flushing and suction assembly 20, for connecting other components, and as an external connecting component of the external laparoscope flushing and suction assembly 20, allowing the front end base 11 on the ear endoscope 10 to be inserted therein, and to be detachably connected to the optical fiber interface 13 on the front end base 11 of the ear endoscope, so as to realize the subsequent disposable type.

As shown in Figure 5, in order to adapt to the movable setting of the connecting part 24 in the connecting base 21, the connecting base 21 is further provided with a movable cavity 21e along the axial direction of the connecting base 21 behind the accommodating cavity 21a on the basis of the original accommodating cavity 21a inside the connecting base 21. The movable cavity 21e is adapted to the connecting part 24 and can accommodate the connecting part 24 to be movably arranged therein, so that the connecting part 24 can move back and forth along the movable cavity 21e.

Furthermore, the connection base 21 is provided with a through hole at its unopened end, and the through hole is communicated with the movable cavity 21e in the connection base 21, and can allow the sleeve 22 and the flushing and suction pipe assembly 23 to be movably arranged therein.

The specific structural form of the moving chamber 21e is not limited here, and it only needs to be compatible with the connecting piece 24.

Considering that the flushing and suction pipe assembly 23 is placed on the connecting piece 24 and can be telescopically moved relative to the connecting base 21 with the connecting piece 24, the connecting base 21 is provided with a clamping groove 21b thereon, and a movable slide groove 21f is further extended behind the clamping groove 21b along the axial direction of the connecting base 21. The movable slide groove 21f cooperates with the connecting joint 23b on the flushing and suction pipe assembly 23, and can allow the connecting joint 23b to be inserted therein and move back and forth along the movable slide groove 21f.

Furthermore, the movement stroke of the connecting joint 23b in the moving slide groove 21f corresponds to the movement forming of the connecting member 24 in the moving cavity 21e.

The basic structure and function of the sleeve 22 in this example are the same as those in Example 1, except that the length is shorter than the front insertion portion of an endoscope (such as an otoscope), and the specific structure is not described in detail here.

One end of the sleeve 22 passes through the through hole at the end of the connecting base 21 and is connected and matched with the connecting piece 24 in the connecting base 21 .

The basic structure and function of the flushing and suction pipe assembly 23 in this example are the same as those in Example 1, and are composed of a corresponding flushing and suction pipe 23a and a connecting joint 23b. The specific structure will not be described in detail here.

Specifically, the rear end of the flushing and suction pipe 23a passes through the through hole at the end of the connecting base 21 and is connected and matched with the connecting piece 24 in the connecting base 21. At the same time, the tube body of the flushing and suction pipe 23a is arranged on the outer wall of the sleeve 22 and distributed along the length direction of the sleeve.

Preferably, the length of the flushing and suction tube 23a is longer than the sleeve 22, that is, the top end of the flushing and suction tube 23a extends out of the sleeve 22. The extended length is determined according to actual needs, such as corresponding to the telescopic adjustable distance of the external flushing and suction tube, but is not limited to this.

One end of the connecting joint 23b in the flushing and suction pipe assembly 23 is inserted in the connecting piece 24 and communicates with the flushing and suction pipe 23a placed in the connecting piece 24; at the same time, the main body of the connecting joint 23b can be movably inserted in the movable slide groove 21f on the connecting base 21, and is connected to different power sources through the rear end.

The connecting member 24 in this example serves as a movable intermediate component, and its overall structural form can be changed according to actual needs.

6, which shows a structural example of the coupling member 24 in this example. The coupling member 24 provided in this example is generally a hollow cylindrical structure, and at least two cavities are formed inside the coupling member 24 for matching and connecting the flushing and suction tube 23a and the sleeve 22.

Specifically, the first end of the connecting piece 24 is respectively connected to the sleeve 22 and the flushing and suction tube 23a, the sleeve 22 is connected to the first cavity in the connecting piece 24, and the flushing and suction tube 23a is connected to the second cavity in the connecting piece 24; the second end is open, and the second end opening is connected to the sleeve 22 through the internal first cavity, so that the front end insertion portion 12 of the ear endoscope 10 can pass through the connecting piece 24 to be inserted into the sleeve 22.

A connecting joint 23b is provided on the side wall of the connecting member 24. The connecting joint 23b is communicated with the second cavity in the connecting member 24 and is communicated with the connecting joint 23b through the second cavity.

In some embodiments of this example, at least one elastic fin 24a is provided on the side wall of the connecting member 24. The elastic fin 24a here can form elastic abutment with the cavity wall of the movable cavity 21e to form elastic damping, thereby improving the stability and reliability of the connecting member 24 moving in the movable cavity 21e.

Preferably, the elastic fins 24a are arc-shaped and symmetrically distributed on the two side walls of the connecting member 24, so that elastic damping can be formed on the connecting member 24 from both sides, thereby greatly improving the stability and reliability of the movement of the connecting member 24 in the moving cavity 21e.

In some implementations of this example, a driving rack portion 24 b is provided on the side wall of the connecting member 24 , which can improve the convenience of the user in operating the connecting member 24 .

In some implementations of this example, a guide structure is formed between the connecting member 24 and the cavity wall of the movable cavity 21e, thereby improving the stability and reliability of the movement of the connecting member 24 in the movable cavity 21e.

As an example, the guide structure here may be composed of a plurality of guide blocks 24c arranged on the connecting member 24 and guide grooves arranged on the cavity wall of the moving cavity 21e.

As an alternative, the guide structure here may be composed of a plurality of guide grooves arranged on the connecting member 24 and a guide block arranged on the cavity wall of the movable cavity 21e.

The coordinated use of the telescopic external laparoscope flushing and suction assembly 20 and the otoscope 10 formed in this example is the same as that in Example 1, and will not be described in detail here.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims (10)

1. An externally hung endoscope flushing and sucking assembly comprising: the device comprises a connecting base, a sleeve and a punching and sucking pipe assembly, wherein the sleeve is arranged on the connecting base, the punching and sucking pipe assembly is arranged on the sleeve, a placement cavity is formed in the connecting base, the placement cavity can accommodate the front end base of the endoscope and is inserted into the placement cavity, and an insertion part at the front end of the endoscope is arranged in the sleeve in a penetrating manner; the optical fiber connector is characterized in that a clamping groove is formed in the side wall of the placement cavity and is matched with the optical fiber connector on the front end of the cavity mirror, and when the front end base of the cavity mirror is inserted into the placement cavity, the optical fiber connector on the front end of the cavity mirror can be clamped and positioned.

2. The plug-in endoscope flushing and sucking assembly of claim 1, wherein the notch of the clamping groove is gradually smaller along the extending direction of the clamping groove.

3. The plug-in endoscope flushing and sucking assembly according to claim 2, wherein at least one positioning area matched with an optical fiber interface on the front end of the endoscope is arranged in the clamping groove.

4. The externally hung endoscope flushing and sucking assembly according to claim 1 wherein the flushing and sucking tube assembly and the sleeve are movable relative to an endoscope insertion portion inserted in the sleeve.

5. The plug-in endoscope flushing and sucking assembly according to claim 1, wherein the connecting base is provided with a moving cavity, the flushing and sucking tube assembly and the sleeve are connected through a connecting piece to form a movable assembly, and the connecting piece is movably arranged in the moving cavity in the connecting base.

6. The plug-in endoscope flushing and sucking assembly of claim 5, wherein the coupling member is provided with a driving rack portion.

7. The plug-in endoscope flushing and sucking assembly according to claim 5, wherein at least one elastic fin is arranged on the connecting piece, and the elastic fin can form elastic abutting connection with the cavity wall of the moving cavity to form elastic damping.

8. The plug-in endoscope flushing and sucking assembly of claim 5, wherein a guiding structure is formed between the coupling piece and a cavity wall of the moving cavity.

9. The plug-in endoscope flushing and sucking assembly according to claim 5, wherein the flushing and sucking tube assembly comprises at least one tube body and a connecting joint, and the connecting joint is arranged on the connecting piece and is communicated with the tube body.

10. The endoscope of the externally-hung type suction pipe comprises an endoscope body and is characterized by further comprising the externally-hung type endoscope suction assembly as claimed in any one of claims 1-9, wherein a front end base of the endoscope can be inserted into a placement cavity in a connecting base in the externally-hung type endoscope suction assembly, an insertion part at the front end of the endoscope is arranged in a sleeve in a penetrating mode, and meanwhile, the insertion part is clamped in a clamping groove on the connecting base through an optical fiber interface on the front end base of the endoscope.