CN114795064A - new endoscope - Google Patents

Abstract

A novel endoscope comprises a penetrating pipe mechanism and a control mechanism which are connected with each other. The tube penetrating and placing mechanism comprises an elastic supporting unit, a lens unit and a cladding tube unit. The elastic supporting unit comprises mounting end seats, a connecting seat, a connecting end seat, a first spring and a second spring, wherein the mounting end seats, the connecting seat and the connecting end seat are arranged at intervals, the first spring is elastically supported between the mounting end seats and the connecting seat, and the second spring is elastically supported between the connecting seat and the connecting end seat. The cladding tube unit is flexibly sleeved outside the elastic supporting unit and the lens unit. The bending adjustment module of the control mechanism is operable to control the elastic support unit to bend laterally. Through the structural design formed by the elastic supporting unit and the cladding tube unit, the manufacturing cost of the endoscope can be greatly reduced under the condition of keeping the basic functions of the endoscope, and the endoscope can be used as a disposable medical material.

Description

new endoscope

technical field

The present invention relates to a medical device, in particular to an endoscope.

Background technique

An endoscope is a medical instrument used to penetrate into a body cavity to inspect the internal tissues and organs of the body cavity, such as bronchial examination, gastrointestinal examination, abdominal cavity and thoracic cavity examination, etc. At present, endoscopes mainly use optical imaging systems such as optical fibers or CCDs to capture and output images of body cavity organs. In order to provide high-definition image information or have multiple surgical functions, the structural design of endoscopes It is becoming more and more complicated and the price is very expensive, so the current medical endoscopes are usually re-sterilized to reduce medical costs.

However, when the endoscope is used for patients with certain high-risk infectious diseases, such as AIDS patients or patients with new coronary pneumonia, there will be doubts about whether the endoscope is completely sterilized in the general disinfection operation after use, and higher safety standards must be adopted. Therefore, the maintenance cost of medical equipment is high, and if it is discarded after use, it will also cause the problem of increased medical costs.

SUMMARY OF THE INVENTION

It is an object of the present invention to provide a novel endoscope that ameliorates at least one of the disadvantages of the prior art.

The novel endoscope of the present invention includes a piercing tube mechanism and a control mechanism connected to the piercing tube mechanism. The tube insertion mechanism includes an elastic support unit, a lens unit, and a covering tube unit.

The elastic support unit includes an installation end seat, a connecting seat and a connecting end seat arranged at intervals in the front and rear, a first spring that is elastically supported between the installation end seat and the connecting seat and can elastically deform sideways, and a front and rear elastic support. The elastic top supports the second spring between the connecting seat and the connecting end seat and can be elastically deformed by side bending. The lens unit includes a lens mount mounted on the front end of the mounting end mount, and a first lens module mounted on the lens mount and used for image capturing. The cladding tube unit can be flexibly deformed and can be extended back and forth and sleeved outside the lens mount, the mounting end mount, the connecting mount and the connecting end mount.

The control mechanism includes an operating handle mounted on the connecting end seat, a bending adjustment module mounted on the operating handle and connected with the piercing tube mechanism, and a signal connection provided on the operating handle The first lens module is a transmission line module for signal transmission and power transmission, and the bending adjustment module can be operated to drive the mounting end base to drive the first spring to bend elastically relative to the connecting base.

In the novel endoscope of the present invention, the covering tube unit includes a first silicone tube sleeved on the mounting end seat and the lens seat, and a first silicone tube sleeved on the mounting end seat and connecting with the lens seat. The second silicone tube outside the seat, and the third silicone tube extending outside the connecting seat and the connecting end seat, and the outer peripheral surface and/or the inner peripheral surface of the second silicone tube is provided with a length along its length. Threads that extend toward the helix.

In the novel endoscope of the present invention, the inner peripheral surface of the third silicone tube is provided with a thread extending helically along its length.

In the novel endoscope according to the present invention, the coating tube unit further includes two sealing silicone rings, wherein one sealing silicone ring is sleeved across the two phases of the first silicone tube and the second silicone tube. Outside the adjacent end, another sealing silicone ring is sleeved and arranged outside the two adjacent ends of the second silicone tube and the third silicone tube.

In the novel endoscope of the present invention, the first lens module includes a front lens for forward image capturing, and a plurality of front light-emitting elements arranged at intervals around the front lens.

In the novel endoscope of the present invention, the first lens module further includes a transparent cover mounted on the lens holder and covering the front lens and the front light-emitting element.

In the novel endoscope according to the present invention, the lens unit further includes a second side lens module embedded in the outer peripheral surface of the lens holder, and the covering tube unit radially penetrates the second side lens module corresponding to the second side. The image capturing hole of the lens module, the second side lens module has a side lens capable of capturing images toward the peripheral side of the lens base through the image capturing hole, and a plurality of spaced around the side lens Side lighting.

In the novel endoscope of the present invention, the pipe insertion mechanism further includes a front nozzle piece, the front nozzle piece has a spray ring sleeved outside the lens holder and covered by the first silicone tube part, and a guide pipe part connected to the ejection ring part and extending through the mounting end seat, the connecting seat and the connecting end seat to be installed on the operating handle, the ejection The ring portion has a plurality of jetting openings which are disposed on its front end surface at intervals around its axis and are used to spray water or gas forward, and the first silicone tube has a plurality of axial perforations respectively communicating with the jetting ports. , the control mechanism further includes a flush valve unit and a pump valve unit which are installed on the operating handle and communicate with the guide pipe part.

In the novel endoscope of the present invention, the tube insertion mechanism further includes a suction tube piece, and the suction tube piece has a suction ring sleeved outside the lens holder and covered by the first silicone tube part, and a suction pipe part connected to the suction ring part and extending through the mounting end seat, the connecting seat and the connecting end seat to be installed on the operating handle. The suction ring part has a plurality of suction ports that are radially penetrated on the outer peripheral surface of the suction ring at intervals along its periphery, and the first silicone tube has a plurality of radial perforations that penetrate radially and are respectively corresponding to the suction ports. , the control mechanism further includes a suction valve unit installed on the operating handle and communicated with the suction pipe part.

In the novel endoscope of the present invention, the bending adjustment module includes a turning member mounted on the operating handle, two radially spaced connections to the mounting end seat and extending through the connecting seat and the The traction cable that is connected to the end seat and extends into the operating handlebar, and the chain that is arranged in the operating handlebar and is engaged with the turning member and is connected to the traction cable at its two ends respectively, so The turning member can be operated and rotated to drive the chain to respectively pull and release the traction cable, so that the traction cable is matched to drive the mounting end seat to drive the elastic side of the first spring relative to the engaging seat bend.

The effect of the present invention is: through the design of the tubular structure formed by the elastic support unit and the covering tube unit of the tube insertion mechanism, and the design of the lens unit installed on the elastic support unit, the basic functions of the endoscope can be maintained. Under the circumstance, the manufacturing cost of the endoscope can be greatly reduced, and it can be used as a disposable medical material.

Description of drawings

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the accompanying drawings, wherein:

Figure 1 is a fragmentary front view illustrating one embodiment of the novel endoscope of the present invention;

Fig. 2 is an incomplete perspective view illustrating the structure of a piercing tube mechanism of this embodiment;

Fig. 3 is an incomplete front sectional view illustrating the structure of the penetrating tube mechanism of this embodiment;

FIG. 4 is an incomplete perspective view illustrating the structure of the piercing tube mechanism of this embodiment, and a cladding tube unit is omitted in the figure;

Fig. 5 is the partial enlarged view of Fig. 3;

Fig. 6 is an incomplete perspective exploded view;

Fig. 7 is an incomplete side sectional view illustrating the structure of the penetrating tube mechanism of this embodiment;

Fig. 8 is a partial enlarged view of Fig. 7;

Figure 9 is a fragmentary front view illustrating the structure of a bend adjustment module; and

Fig. 10 is a view similar to Fig. 3, illustrating the situation when the insertion tube mechanism is driven to bend.

Detailed ways

Before the present invention is described in detail, it should be noted that in the following description, similar components are designated by the same reference numerals.

Referring to FIGS. 1 and 2 , an embodiment of the novel endoscope 100 of the present invention includes an elongated insertion tube mechanism 2 that can be elastically bent and deformed to be inserted into a body cavity, and an elongated insertion tube mechanism 2 connected to the body cavity. A control mechanism 8 at the rear end of the pipe mechanism 2 is inserted.

Referring to FIGS. 2, 3, and 4, the piercing tube mechanism 2 includes an elastic support unit 3 extending in a long direction, and a lens unit 4, a front nozzle piece 5, a pumping unit 4 mounted on the elastic support unit 3 The suction pipe piece 6 is combined with a sheathed pipe unit 7 .

The elastic support unit 3 includes a mounting end seat 31 , a connecting seat 32 and a connecting end seat 33 , and a first spring 34 elastically supported between the mounting end seat 31 and the connecting seat 32 . and a second spring 35 which is elastically supported at the front and rear between the engaging seat 32 and the connecting end seat 33 . The outer peripheral surfaces of the mounting end seat 31 , the engaging seat 32 and the connecting end seat 33 are each recessed with an annular groove 301 around the axis of the body. The mounting end seat 31 has two axially penetrating and radially spaced pipe holes 302 , the connecting seat 32 has two axially penetrating and radially spaced pipe holes 302 , and two axially penetrating and radially spaced pipe holes 302 The spaced threading holes 303, the connecting end seat 33 has two axially penetrating and radially spaced pipeline holes 302, and two axially penetrating and radially spaced threading holes 303. The pipeline holes 302 of the mounting end seat 31 , the connecting seat 32 and the connecting end seat 33 are in a front-rear correspondence shape, and the connecting seat 32 and the threading hole 303 of the connecting end seat 33 are in a front-rear correspondence shape .

The first spring 34 is coaxially supported between the opposite end faces of the mounting end seat 31 and the connecting seat 32 so as to be elastically expandable and elastically deformed. The shaft is supported between the opposite end faces of the engaging seat 32 and the connecting end seat 33 . The elastic coefficient of the first spring 34 is smaller than the elastic coefficient of the second spring 35 , so the first spring 34 is relatively opposite to the second spring 35 More elastic deformation.

Referring to FIGS. 2 , 3 and 5 , the lens unit 4 includes a lens mount 41 mounted on the front end surface of the mounting end mount 31 , a first lens module 42 mounted on the front end surface of the lens mount 41 , and an embedded lens mount 42 . The second side lens module 43 is mounted and fixed on the peripheral surface of the lens holder 41 . The first lens module 42 has a front lens 421 for capturing images toward the front of the lens holder 41 , a plurality of front light-emitting elements 422 spaced around the front lens 421 and capable of being driven to emit light, and a cover A transparent cover 423 is located at the front end of the lens holder 41 and covers the front lens 421 and the front light-emitting element 422 . The second side lens module 43 has a side lens 431 for capturing images toward the periphery of the lens holder 41 , and a plurality of side illuminators 432 spaced around the side lens 431 and driven to emit light.

Referring to FIGS. 4 , 6 and 7 , the front nozzle member 5 has a ring-shaped ejection ring portion 51 sleeved on the outside of the lens holder 41 , and a communication assembly connected to the ejection ring portion 51 and backward The guide tube portion 52 extends through the mounting end seat 31 , the engaging seat 32 and the connecting end seat 33 . The ejection ring portion 51 has a plurality of ejection ports 510 which are disposed on the front end surface of the ejection ring portion 51 at intervals around its axis and are used to eject water or gas forward. The guide pipe portion 52 extends backward through the installation end seat 31 , one of the pipe holes 302 corresponding to the front and rear of the connection seat 32 and the connection end seat 33 , and is connected to the control mechanism 8 . The water or gas of the control mechanism 8 is forwarded to the ejection ring portion 51 and ejected through the ejection port 510 .

The suction pipe member 6 has a ring-shaped suction ring portion 61 sleeved outside the lens holder 41 and located at the rear side of the ejection ring portion 51 , and a connected and assembled suction ring portion 61 to the rear The suction pipe portion 62 extends through the mounting end seat 31 , the engaging seat 32 and the connecting end seat 33 . The suction ring portion 61 has a plurality of suction ports 610 which are disposed on the outer peripheral surface of the suction ring portion 610 at intervals around its axis. The suction pipe portion 62 extends backward through the installation end seat 31 , another pipe hole 302 corresponding to the front and rear of the connecting seat 32 and the connecting end seat 33 , and is connected to the control mechanism 8 , and can be controlled by the control mechanism 8 is driven to generate a negative pressure suction force for suctioning water and gas at the suction port 610 of the suction ring portion 61 .

Referring to FIG. 4 , FIG. 5 , and FIGS. 8 to 10 , the covering tube unit 7 is covered outside the elastic support unit 3 and the lens holder 41 , and is made of a flexible and deformable material. The covering tube unit 7 includes a first silicone tube 71 covering the lens mount 41 and the mounting end seat 31 , a first silicone tube 71 covering the mounting end seat 31 and the connecting seat 32 . Two silicone tubes 72 , a third silicone tube 73 covering the connecting seat 32 and the connecting end seat 33 , and two sealing silicone rings 74 . The first silicone tube 71 is wrapped around the ejection ring portion 51 and the suction ring portion 61, partially embedded in the ring groove 301 of the mounting end seat 31, and has a plurality of axially extending through Its front end corresponds to the axial through hole 711 of the ejection port 510 , a plurality of radial through holes 712 radially penetrate the outer peripheral surface and respectively correspond to the suction port 610 , and a radial through hole 712 corresponding to the suction port 610 . The image capturing hole 713 corresponding to the second side lens module 43 . The front and rear ends of the second silicone tube 72 are partially embedded in the annular grooves 301 of the mounting end seat 31 and the connecting seat 32, respectively, and the outer peripheral surface and the inner peripheral surface of the second silicone tube 72 are recessed with a spiral along the longitudinal direction. Extended thread 720. The front and rear ends of the third silicone tube 73 are partially embedded in the annular grooves 301 of the connecting seat 32 and the connecting end seat 33 respectively, and the inner peripheral surface of the third silicone tube 73 is concavely provided with a thread 730 spirally extending along its length. .

One of the sealing silicone rings 74 is nested and straddled outside the adjacent ends of the first silicone tube 71 and the second silicone tube 72 to seal the adjacent ends of the first silicone tube 71 and the second silicone tube 72 seam between ends. Another sealing silicone ring 74 is nested outside the adjacent ends of the second silicone tube 72 and the third silicone tube 73 to seal the adjacent ends of the second silicone tube 72 and the third silicone tube 73 . seam between ends.

Referring to FIGS. 1 , 5 and 9 , the control mechanism 8 includes an operating handle 81 connected to the connecting end seat 33 and used for holding, mounted on the operating handle 81 and connected to the guide pipe portion 52 A flush valve unit 82 and a pumping valve unit 83 connected and connected, a suction valve unit 84 installed on the operating handle 81 and connected with the suction pipe portion 62, a suction valve unit 84 installed on the operating handle 81 and connected to the bending adjustment module 85 and the transmission line module 86 of the piercing tube mechanism 2 .

The flush valve unit 82 can be used to connect to a flush device (not shown), and can be controlled to open to introduce the water from the flush device into the guide pipe portion 52 . The pumping valve unit 83 can be used to connect and connect with a pumping device (not shown in the figure), and can be controlled to open to introduce the gas from the pumping device into the guide pipe portion 52 . The suction valve unit 84 can be connected to a suction device (not shown in the figure), and can be controlled to open, so that the suction device can apply the suction pipe part 62 to suction water and gas. Suction negative pressure suction.

The bending adjustment module 85 includes a turning member 851 rotatably mounted on the operating handle 81 , and two pulling cables 852 penetrating between the passing tube mechanism 2 and the operating handle 81 at radial intervals. , and a chain 853 arranged in the operating handle 81 and engaged with the turning member 851 and connected to the traction cable 852 at both ends thereof. The traction cable 852 is connected to the rear end surface of the mounting end seat 31 and located on opposite sides of the first spring 34 in the radial direction. Each pulling cable 852 extends backward from the mounting end seat 31 and passes through one of the wire holes 303 of the engaging seat 32 and the connecting end seat 33 , and is connected to the corresponding end of the chain 853 .

The turning member 851 can be operated and turned, and the chain 853 engaged with the transmission is displaced relative to the operating handle 81, so that the two ends of the chain 853 can respectively pull and release the traction cable 852. The pulling cable 852 will produce an axial pulling effect on the corresponding radial side of the mounting end seat 31 , and through the pulling and releasing action of the pulling cable 852 , the mounting end seat 31 can be driven to drive the first spring 34 relative to each other. The engaging base 32 is elastically bent sideways toward the pulled side, and synchronously drives the lens base 41 to tilt, thereby changing the image capturing direction of the front lens 421 and the side lens 431 .

The transmission line module 86 is used to signally connect the first lens module 42 and the second side lens module 43, and can be used for signal connection to a display device from which the first lens module 42 and the second side lens can be guided. The power required for the operation of the module 43 and the image data captured by the first lens module 42 and the second side lens module 43 are transmitted to the display device for display output.

5 , 9 and 10 , when the novel endoscope 100 of the present invention is used, the insertion tube mechanism 2 is inserted into the body cavity of a human body or an animal body according to the usage mode of a general endoscope. During the insertion process, the first lens module 42 can capture the image in front of the insertion direction, and the second side lens module 43 can capture the tissue image on the side of the insertion path laterally, and the second side lens module 43 can capture the image of the tissue beside the insertion path, The inner peripheral surface of the third silicone tube 73 is provided with a structure design of threads 730, so that the third silicone tube 73 is easily deformed with the bending of the body cavity, such as the oral cavity and the esophagus.

When the image capturing direction of the lens unit 4 needs to be adjusted, the turning member 851 can be rotated according to the direction to be adjusted, and the mounting end seat 31 can be driven to drive the lens unit 4 to deflect laterally, so as to adjust the first lens module 42 and the image capturing direction of the second side lens module 43 . When adjusting the image capturing direction, the inner and outer peripheral surfaces of the second silicone tube 72 can be provided with threads 720, so that the second silicone tube 72 can be easily driven to bend and deform, so that the tube insertion mechanism 2. The section between the mounting end seat 31 and the engaging seat 32 is easier to bend.

When it is necessary to flush the tissue of the body cavity or flush the outer surface of the transparent cover 423, the flush valve unit 82 can be selected to be opened, so that the pressurized water connected to the flush valve unit 82 can be selected. Liquid can be injected into the front nozzle 5 and sprayed forward through the nozzle 510 and the axial through hole 711 to achieve a flushing effect. When the body cavity is to be inflated, the inflator valve unit 83 can be selectively opened, so that the pressurized gas guided by the inflator valve unit 83 is injected into the front nozzle piece 5, and the ejection port 510 and the axial through hole 711 injected into the body cavity. When body fluid, water or air is to be extracted from the body cavity, the suction valve unit 84 can be opened, so that an external suction device can pass through the suction port 610 of the suction pipe 6 and the radial perforation 712 performs suction on the body cavity space.

In this embodiment, the lens unit 4 has a first lens module 42 and a second side lens module 43, but during implementation, in another embodiment of the present invention, only the first lens module 42 is provided , and the image capturing direction of the first lens module 42 can be changed according to requirements, not limited to forward image capturing. In addition, in this embodiment, the cladding tube unit 7 is a three-segment silicone tube structure design, but during implementation, in other embodiments of the present invention, the cladding tube unit 7 may also adopt an integrated tubular structure design.

It must be noted that, through the structural design of the new endoscope 100 of the present invention, the manufacturing cost can be greatly reduced, so that when the new endoscope 100 is used for patients with high-risk infectious diseases, the medical treatment that is discarded after use can be greatly reduced. cost. When the new endoscope 100 is used for patients with common diseases, it is also possible to dismantle and discard only the components that are not easy to be sterilized by high temperature, such as the covering tube unit 7, the lens unit 4, the front nozzle piece 5 and the The suction tube 6 is dismantled and discarded, and the elastic support unit 3 inside is reserved for proper sterilization, recycling and reassembly. This semi-disposable use method also helps reduce medical costs.

To sum up, through the design of the tubular structure formed by the elastic support unit 3 and the covering tube unit 7 of the insertion tube mechanism 2 , the design of the lens unit 4 installed on the elastic support unit 3 , and the design of the lens unit 4 installed on the elastic support unit 3 The structural design of the front nozzle piece 5 and the suction pipe piece 6 of the lens holder 41 can greatly reduce the manufacturing cost of the new type of endoscope 100 while maintaining the basic functions of a general endoscope. When the endoscope 100 is used for patients with highly infectious diseases, it can relatively reduce the medical cost of the new endoscope 100 that is thrown away after use, and greatly reduce the risk of infection. The semi-disposable use method enables some components to be recycled and sterilized for reuse. Therefore, the novel endoscope 100 of the present invention is indeed a rather innovative creation, and can indeed achieve the purpose of the present invention.

The above are only examples of the present invention, and should not limit the scope of implementation of the present invention. Any simple equivalent changes and modifications made according to the claims of the present invention and the contents of the description still belong to the present invention. range.

Claims (10)

1. A novel endoscope, comprising a piercing tube mechanism, and a control mechanism connected to the piercing tube mechanism, characterized in that: the piercing tube mechanism comprises an elastic support unit, a lens unit, and a coating tube The elastic support unit includes installation end seats, connecting seats and connecting end seats, which are arranged at intervals in the front and rear, and a first spring that elastically supports the front and rear between the installation end seat and the connecting seat and can elastically deform sideways. and a second spring that elastically supports back and forth between the connecting seat and the connecting end seat and can be elastically deformed by side bending, the lens unit includes a lens seat mounted on the front end of the mounting end seat, and a lens seat mounted on the A lens mount and a first lens module used for image capture, the cladding tube unit can be flexibly deformed and can be extended back and forth and sleeved on the lens mount, the mounting end seat, the connecting seat and the connection outside the end seat; the control mechanism includes an operating handle mounted on the connecting end seat, a bending adjustment module mounted on the operating handle and connected with the piercing tube mechanism, and a bending adjustment module installed on the operating handle A transmission line module for connecting and signally connecting the first lens module for signal transmission and power transmission, the bending adjustment module can be operated to drive the mounting end seat to drive the first spring to bend elastically relative to the connecting seat . 2 . The novel endoscope according to claim 1 , wherein the covering tube unit comprises a first silicone tube sleeved on the mounting end seat and the lens seat, and an extension sleeve sleeved on the first silicone tube. 3 . The second silicone tube outside the mounting end seat and the connecting seat, and the third silicone tube extending outside the connecting seat and the connecting end seat, and the outer peripheral surface of the second silicone tube and/or The inner peripheral surface is provided with a thread extending helically along its length. 3 . The novel endoscope according to claim 2 , wherein the inner peripheral surface of the third silicone tube is provided with a thread extending helically along its length. 4 . 4. The novel endoscope according to claim 2 or 3, characterized in that: the coating tube unit further comprises two sealing silicone rings, wherein one sealing silicone ring is sleeved over the first silicone tube Outside the two adjacent ends of the second silicone tube, another sealing silicone ring is sleeved and set outside the two adjacent ends of the second silicone tube and the third silicone tube. 5 . The new type of endoscope according to claim 1 , wherein the first lens module comprises a front lens for capturing images facing forward, and a plurality of front lenses arranged at intervals around the front lens. 6 . luminous pieces. 6 . The new type of endoscope according to claim 5 , wherein the first lens module further comprises a transparent cover mounted on the lens mount and covering the front lens and the front light-emitting element. 7 . 7 . The new type of endoscope according to claim 5 , wherein the lens unit further comprises a second side lens module embedded in the outer peripheral surface of the lens holder, and the cladding tube unit radially penetrates There is an image capturing hole corresponding to the second side lens module, the second side lens module has a side lens capable of capturing images toward the peripheral side of the lens holder through the image capturing hole, and a plurality of spacers A side light-emitting element arranged around the side lens. 8. The new type of endoscope according to claim 2 or 3, characterized in that: the piercing tube mechanism further comprises a front nozzle piece, and the front nozzle piece has a sleeve set outside the lens seat and is surrounded by the The ejection ring part covered by the first silicone tube is connected to the ejection ring part and extends through the installation end seat, the connection seat and the connection end seat to be installed on the operator The guide pipe part of the handle, the spray ring part has a plurality of spray ports that are distributed on its front end surface and used to spray water or gas forward, and the first silicone pipe has a plurality of The axial through holes of the ejection ports are respectively communicated, and the control mechanism further includes a flushing valve unit and an air pumping valve unit which are installed on the operating handle and communicate with the guide pipe portion. 9 . The new type of endoscope according to claim 8 , wherein the pipe insertion mechanism further comprises a suction pipe piece, and the suction pipe piece is sleeved on the outside of the lens holder and is surrounded by the first endoscope. 10 . A suction ring part covered by a silicone tube, and a connecting part connected to the suction ring part and extending through the mounting end seat, the connecting seat and the connecting end seat and being installed on the operating handle The suction tube part, the suction ring part has a plurality of suction ports which are radially penetrated on the outer peripheral surface of the suction ring part at intervals along the periphery thereof, and the first silicone tube has a plurality of radially penetrating and are respectively connected with the The suction port corresponds to the radial perforation, and the control mechanism further includes a suction valve unit which is installed on the operating handle and communicates with the suction pipe part. 10. The novel endoscope according to claim 2 or 3, wherein the bending adjustment module comprises a turning member mounted on the operating handle, two radially spaced connections to the mounting end a traction cable extending through the engaging seat and the connecting end seat and extending into the operating handlebar, and a traction cable arranged in the operating handlebar and engaged with the turning member and its two ends are respectively The chain connected to the traction cable, the turning member can be operated and rotated to drive the chain to respectively pull and release the traction cable, so that the traction cable cooperates to drive the mounting end seat to drive the traction cable The first spring is elastically laterally bent relative to the engaging seat.

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