CN222565758U - Endoscope - Google Patents

Abstract

The utility model discloses an endoscope, which includes a plug part, an operating part, a head end, a first connecting pipeline and a second connecting pipeline. The plug part includes a suction tube, an air inlet tube, a liquid inlet tube and a circuit board. The plug part has a first plug end. The operating part includes an operating mechanism, a water and gas valve and a suction valve. The head end includes a bench clamp, a first working pipeline, a second working pipeline and a lens. The two ends of the first connecting pipeline are respectively plugged into the plug part and the operating part, and the two ends of the second connecting pipeline are respectively plugged into the operating part and the head end. The endoscope has a simple structure, is easy to assemble and disinfect, and can selectively replace part of the structure of the endoscope according to the number of uses, thereby facilitating the use safety of the endoscope.

Description

Endoscope

Technical Field

The utility model relates to the technical field of medical treatment, in particular to an endoscope.

Background

An endoscope is a commonly used instrument in clinical medical diagnosis and treatment, which can be introduced into a human body through an inherent opening, hole, channel, etc. of the human body or through an incision formed by operation. The endoscope doctor can directly observe the pathological changes in the body, which is more beneficial to the diagnosis and treatment of the doctor on the pathological conditions.

In recent years, due to more and more examinations and operations on the digestive tract of hospitals, in clinic, the internal parts are not thoroughly sterilized and cannot be cleaned in place after the repeated endoscope is sterilized, the cleaning and sterilizing cannot be 100%, and the risk of bacterial cross infection is likely to be caused to patients after the repeated endoscope is reused. The method for cleaning and sterilizing the endoscope body of the endoscope is usually adopted, the equipment and the process are complex, the degree of specialization is high, and the like, and the specialization of sterilization also brings certain technical limitations and higher cost, so that the convenience, the safety and the cost performance of the repeated use process of the endoscope are reduced. Therefore, the repeated endoscope body is required to be changed, so that the endoscope body is more convenient and safer to use.

Disclosure of utility model

The utility model aims to provide an endoscope which has a simple structure, is convenient to assemble and disinfect, and can selectively replace part of the structure of the endoscope according to the using times, thereby being beneficial to improving the using safety of the endoscope.

To achieve the purpose, the utility model adopts the following technical scheme:

The utility model discloses an endoscope which comprises a plug part, an operation part, a bench clamp, a first working pipeline, a second working pipeline and a lens, wherein the plug part comprises a suction pipe, an air inlet pipe, a liquid inlet pipe and a circuit board, the first plug end is provided with a first plug end, the operation part comprises an operation mechanism, a water air valve and a suction valve, the liquid inlet of the water air valve is communicated with the liquid inlet pipe, the air inlet of the water air valve is communicated with the air inlet pipe, the suction outlet of the suction valve is communicated with the suction pipe, the operation part is further provided with a second plug end and a third plug end, the head end comprises a bench clamp, a first working pipeline, a second working pipeline and a lens, the first working pipeline is communicated with the air outlet of the water air valve and the liquid outlet of the water air valve, the second working pipeline is communicated with the suction inlet of the suction valve, the bench clamp is connected with the operation mechanism through a driving wire, the operation part is further provided with a fourth plug end, the lens is electrically connected with the circuit board, and two ends of the first connecting pipeline are respectively connected with the first connecting pipeline and the second connecting pipeline are respectively connected with the second plug end and the second connecting end and the fourth plug end.

In some embodiments, the plug part further comprises a plug shell, a suction connector, a water-gas converging valve and an air inlet connector, wherein the plug shell is provided with a first mounting cavity, the suction connector is inserted into the plug shell and connected with the suction pipe, the water-gas converging valve is mounted in the first mounting cavity and is provided with an air channel and a liquid channel, the air channel is communicated with the air inlet of the water-gas valve, the liquid channel is communicated with the liquid inlet of the water-gas valve, and the air inlet connector is inserted into the plug shell and is communicated with the air channel.

In some specific embodiments, the plug housing includes a first shell and a second shell that snap-fit to each other.

In some embodiments, the operation part further comprises an operation shell, a sealing cover and a sealing cover, wherein the operation shell is provided with a second installation cavity, the second installation cavity is provided with a first jack and a second jack, the water gas valve and the suction valve are respectively inserted into the first jack and the second jack, and the sealing cover is buckled on the operation shell and is used for sealing the connection positions of the water gas valve, the suction valve and the operation shell.

In some specific embodiments, the operation housing includes a housing body and first and second plug bushings plugged to the housing body, the first and second plug bushings forming the second and third plug ends, respectively.

In some embodiments, the first connecting pipe comprises a first protective outer skin, a first pipe, a second pipe and a third pipe, wherein the first pipe, the second pipe and the third pipe are arranged in the first protective outer skin, two ends of the first pipe are respectively connected with the air inlet pipe and the air inlet in an inserting mode, two ends of the second pipe are respectively connected with the liquid inlet pipe and the air inlet pipe in an inserting mode, and two ends of the third pipe are respectively connected with the suction pipe and the suction outlet.

In some embodiments, the second connecting pipeline comprises a second protection sheath, a fourth pipeline, a fifth pipeline, a water-gas three-way valve and a sixth pipeline, wherein the fourth pipeline, the fifth pipeline, the water-gas three-way valve and the sixth pipeline are arranged in the second protection sheath, two ends of the fourth pipeline are respectively connected with the air outlet and the first port of the water-gas three-way valve in an inserting mode, two ends of the fifth pipeline are respectively connected with the liquid outlet and the second port of the water-gas three-way valve in an inserting mode, the third port of the water-gas three-way valve is connected with the first working pipeline in an inserting mode, and two ends of the sixth pipeline are respectively communicated with the second working pipeline and the suction inlet.

In some specific embodiments, the operation part further includes a three-way connection valve, a first port of the three-way connection valve is communicated with an external environment, a second port is connected with the sixth pipeline, and a third port is connected with the second working pipeline.

In some embodiments, the head end part further comprises a head end seat, wherein the bench clamp and the lens are arranged in the head end seat, the head end seat is provided with an opening communicated with the first working pipeline and the second working pipeline, two ends of the snake bone are matched with the bench clamp and the operating mechanism respectively, the snake bone is sleeved on the first working pipeline and the second working pipeline, the protection pipeline is sleeved on the snake bone, one end of the protection pipeline is connected with the head end seat, and the other end of the protection pipeline is formed into the fourth plug-in end.

In some embodiments, the head end seat comprises a seat body, a head end cap sleeved on the seat body, and a connecting ring, wherein one end of the connecting ring is connected with the seat body, and the other end of the connecting ring is connected with the protection pipeline.

The endoscope has the beneficial effects that the plug part and the operation part are connected through the first connecting pipeline, the two ends of the first connecting pipeline are respectively inserted into the first inserting end of the plug part and the second inserting end of the operation part, the operation part and the head end part are connected through the second connecting pipeline, the two ends of the second connecting pipeline are respectively inserted into the third inserting end of the operation part and the fourth inserting end of the head end part, the inserted connection mode is simple in structure, convenient to assemble and convenient to disinfect, and any part of the plug part, the operation part and the head end part can be selectively replaced according to the using times, so that the use safety of the endoscope is improved. Meanwhile, in the actual assembly process, the liquid inlet of the water gas valve is communicated with the liquid inlet pipe through the connecting pipeline, the air inlet of the water gas valve is communicated with the air inlet pipe, the suction outlet of the suction valve is communicated with the suction pipe, the second working pipeline is communicated with the suction inlet of the suction valve, the first working pipeline is communicated with the air outlet of the water gas valve and the liquid outlet of the water gas valve, and the working channel of the whole endoscope can be completed.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic view of an endoscope according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of a plug portion according to an embodiment of the present utility model;

fig. 3 is a partial structural schematic diagram of an operation section of the embodiment of the present utility model;

FIG. 4 is a schematic view of a partial structure of a head end portion of an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a connecting pipeline of a water gas valve according to an embodiment of the present utility model;

Fig. 6 is a schematic diagram of a connecting pipeline of the suction valve according to the embodiment of the present utility model.

Reference numerals:

100. Plug part, 110, suction pipe, 120, air inlet pipe, 130, liquid inlet pipe, 140, circuit board, 150, first plug end, 160, plug shell, 161, first shell, 162, second shell, 170, suction joint, 180, water vapor confluence valve, 190, air inlet joint;

200. The device comprises an operation part 210, an operation mechanism 220, a water-air valve 221, an air inlet 222, a liquid inlet 223, an air outlet 224, a liquid outlet 230, an attraction valve 231, an attraction inlet 232, an attraction outlet 240, a second plug end 250, a third plug end 260, an operation shell 270, a sealing cover 280 and a three-way connecting valve;

300. Head end part 310, bench clamp 320, first working pipeline 330, second working pipeline 340, lens 350, fourth plug end 360, head end seat 361, seat body 362, head end cap 363, connecting ring 370, snake bone 380, protection pipeline;

400. First connecting pipeline, 410, first pipeline, 420, second pipeline, 430 and third pipeline;

500. Second connecting pipeline, 510, fourth pipeline, 520, fifth pipeline, 530, water-gas three-way valve, 540, and sixth pipeline.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model discloses an endoscope, as shown in fig. 1, the endoscope of the embodiment comprises a plug part 100, an operation part 200, a head end 300, a first connecting pipeline 400 and a second connecting pipeline 500, the plug part 100 comprises a suction pipe 110, an air inlet pipe 120, a liquid inlet pipe 130 and a circuit board 140, the plug part 100 is provided with a first plug end 150, the operation part 200 comprises an operation mechanism 210, a water vapor valve 220 and a suction valve 230, the liquid inlet 222 of the water vapor valve 220 is communicated with the liquid inlet pipe 130, the air inlet 221 of the water vapor valve 220 is communicated with the air inlet pipe 120, the suction outlet 232 of the suction valve 230 is communicated with the suction pipe 110, the operation part 200 is also provided with a second plug end 240 and a third plug end 250, the head end 300 comprises a bench clamp 310, a first working pipeline 320, a second working pipeline 330 and a lens 340, the first working pipeline 320 is communicated with the air outlet 223 of the water vapor valve 220, the second working pipeline 330 is communicated with the suction inlet 231 of the suction valve 230, the bench clamp 310 is connected with the operation mechanism 210 through a driving wire, the operation part 200 is also provided with a fourth end 350, the second plug end 350 is electrically connected with the first plug end 240 and the second plug end 150 and the third plug end 250 are respectively connected with the second plug end 150 and the third plug end 250.

It can be understood that the plug portion 100 and the operation portion 200 are connected through the first connection pipe 400, and two ends of the first connection pipe 400 are respectively inserted into the first insertion end 150 of the plug portion 100 and the second insertion end 240 of the operation portion 200, the operation portion 200 and the head end 300 are connected through the second connection pipe 500, and two ends of the second connection pipe 500 are respectively inserted into the third insertion end 250 of the operation portion 200 and the fourth insertion end 350 of the head end 300, so that the inserted connection mode has a simple structure, is convenient to assemble and sterilize, and can selectively replace any one of the plug portion 100, the operation portion 200 and the head end 300 according to the usage times, thereby being beneficial to improving the usage safety of the endoscope. Meanwhile, in the actual assembly process, the connecting pipeline is adopted to communicate the liquid inlet 222 of the water-air valve 220 with the liquid inlet pipe 130, the air inlet 221 of the water-air valve 220 is communicated with the air inlet pipe 120, the suction outlet 232 of the suction valve 230 is communicated with the suction pipe 110, the second working pipeline 330 is communicated with the suction inlet 231 of the suction valve 230, and the first working pipeline 320 is communicated with the air outlet 223 of the water-air valve 220 and the liquid outlet 224 of the water-air valve 220 to complete the component of the working channel of the whole endoscope. It should be noted that, the connection wires between the circuit board 140 and the lens 340 may be also included in the first connection pipe 400 and the second connection pipe 500, so as to ensure stable connection therebetween.

Referring to fig. 2, the plug portion 100 further includes a plug housing 160, a suction connector 170, a water and air confluence valve 180, and an air intake connector 190. The plug housing 160 has a first installation cavity, the suction connector 170 is inserted into the plug housing 160 and connected with the suction tube 110, the water-gas converging valve 180 is installed in the first installation cavity, the water-gas converging valve 180 has a gas channel and a liquid channel, the gas channel is communicated with the gas inlet 221 of the water-gas valve 220, the liquid channel is communicated with the liquid inlet 222 of the water-gas valve 220, and the air inlet connector 190 is inserted into the plug housing 160 and communicated with the gas channel. It is understood that the added suction connector 170 can facilitate connection of the plug 100 and an external pump, the air inlet connector 190 can facilitate connection of the plug 100 and an external air source, the water-air converging valve 180 serves as a control valve, and particularly, the communication states of the liquid inlet pipe 130, the air inlet pipe 120 and the water-air valve 220 can be controlled, and control of the two channels is realized by adopting one control valve, thereby being beneficial to simplifying the structure of the endoscope.

It should be noted that, in the endoscope, the specific form of the driving mechanism for driving the vise 310 to open or close is a prior art, and the specific structure of the driving structure need not be limited here.

Referring to fig. 2, the plug housing 160 includes a first case 161 and a second case 162 that are fastened to each other. It will be appreciated that the plug housing 160 includes the first and second shells 161, 162, which facilitates assembly of the plug housing 160 and installation of the suction fitting 170, the water and gas confluence valve 180, the intake fitting 190, the intake pipe 130, the intake pipe 120, etc. into the first mounting chamber. It should be noted that, in the embodiment of the present utility model, the first case 161 and the second case 162 may be connected by a snap connection, or may be connected by a connection member such as a screw. In some embodiments, the first shell 161 and the second shell 162 are fastened to each other and sealed with sealant, and the whole plug portion 100 is directly discarded after a period of use, so that the risk of use caused by incomplete disinfection can be avoided.

Referring to fig. 3, the operation part 200 further includes an operation housing 260 and a sealing cover 270, the operation housing 260 has a second installation cavity, the second installation cavity has a first jack and a second jack, the water-gas valve 220 and the suction valve 230 are respectively inserted into the first jack and the second jack, and the sealing cover 270 is buckled on the operation housing 260 and is used for sealing the connection positions of the water-gas valve 220 and the suction valve 230 with the operation housing 260. It can be appreciated that in the actual assembly process, the water-gas valve 220 and the suction valve 230 are respectively inserted into the first insertion hole and the second insertion hole, and then the sealing cover 270 is buckled to the operation housing 260, so that the sealing cover 270 can seal the connection positions of the water-gas valve 220 and the suction valve 230 and the operation housing 260. On the one hand, the structure of the operation portion 200 is simplified, and on the other hand, the phenomenon that external foreign matters enter the operation portion 200 from the connection gaps of the moisture valve 220 and the suction valve 230 and the operation housing 260 is prevented. It should be noted that, in some embodiments, the sealing cover 270 and the operation housing 260 are fastened to each other and sealed with sealant, and the whole operation portion 200 is directly discarded after a period of use, so that the risk of use caused by incomplete disinfection can be avoided.

Further, referring to fig. 3, the operation housing 260 includes a housing body and first and second plugging sleeves plugged into the housing body, which respectively form the second and third plugging ends 240 and 250. It can be appreciated that the operation housing 260 is split into the detachably connected housing body, the first plugging sleeve and the second plugging sleeve, which facilitates the assembly of the operation housing 260 on the one hand, and facilitates the assembly of the operation portion 200 on the other hand, which is beneficial to simplifying the structure of the operation housing 260. It should be noted that, in some embodiments, the shell body, the first plugging sleeve and the second plugging sleeve are connected and sealed by sealant, and the whole operation shell 260 is directly discarded after a period of use, so that the use risk caused by incomplete disinfection can be avoided.

Referring to fig. 5 and 6, the first connection pipe 400 includes a first protective sheath, and a first pipe 410, a second pipe 420, and a third pipe 430 provided in the first protective sheath, both ends of the first pipe 410 are respectively inserted into the intake pipe 120 and the intake port 221, both ends of the second pipe 420 are respectively inserted into the intake pipe 130 and the intake pipe 120, and both ends of the third pipe 430 are respectively connected to the suction pipe 110 and the suction outlet 232. It will be appreciated that in the actual assembly process, the air inlet pipe 120 is communicated with the air inlet 221 by using the first pipeline 410, the liquid inlet pipe 130 is communicated with the air inlet pipe 120 by using the second pipeline 420, the suction pipe 110 is communicated with the suction outlet 232 by using the third pipeline 430, and the communication of the working channel between the plug part 100 and the water air valve 220 and the suction valve 230 is realized, so that the operation in a pipeline plugging manner is very simple, and the assembly of the endoscope is convenient. In addition, the added first protective sheath can protect the first, second and third pipelines 410, 420 and 430 from being damaged, resulting in the occurrence of the phenomenon of discarding the endoscope.

Referring to fig. 6, the second connection pipe 500 includes a second protection casing, and a fourth pipe 510, a fifth pipe 520, a water-gas three-way valve 530 and a sixth pipe 540 disposed in the second protection casing, wherein two ends of the fourth pipe 510 are respectively connected with the air outlet 223 and the first port of the water-gas three-way valve 530, two ends of the fifth pipe 520 are respectively connected with the liquid outlet 224 and the second port of the water-gas three-way valve 530, a third port of the water-gas three-way valve 530 is connected with the first working pipe 320, and two ends of the sixth pipe 540 are respectively connected with the second working pipe 330 and the suction inlet 231. It can be appreciated that the water supply channel and the air supply channel of the endoscope can be combined into one at the head end 300 by adding the water-air three-way valve 530, thereby simplifying the structure of the endoscope and facilitating the assembly of the endoscope. In addition, two ends of the fourth pipeline 510 are respectively connected with the air outlet 223 and the first port of the water-gas three-way valve 530, two ends of the fifth pipeline 520 are respectively connected with the liquid outlet 224 and the second port of the water-gas three-way valve 530, the third port of the water-gas three-way valve 530 is connected with the first working pipeline 320, and two ends of the sixth pipeline 540 are respectively connected with the second working pipeline 330 and the suction inlet 231. The mode of inserting the pipeline is very simple to operate, so that the endoscope is convenient to assemble. In addition, the added second protective sheath can protect the fourth pipeline 510, the fifth pipeline 520 and the sixth pipeline 540, and avoid the phenomenon of endoscope waste caused by the damage of the fourth pipeline 510, the fifth pipeline 520 and the sixth pipeline 540.

Optionally, the operation portion 200 further includes a three-way connection valve 280, a first port of the three-way connection valve 280 is communicated with the external environment, a second port is connected with the sixth pipeline 540, and a third port is connected with the second working pipeline 330. It will be appreciated that the additional three-way connection valve 280 may be used to enrich the functionality of the endoscope depending on the actual connection to an external pump or other structure.

Referring to fig. 4, the head end 300 further includes a head end seat 360, a snake bone 370 and a protection pipe 380, wherein the bench clamp 310 and the lens 340 are all disposed in the head end seat 360, the head end seat 360 has an opening communicating with the first working pipe 320 and the second working pipe 330, two ends of the snake bone 370 are respectively matched with the bench clamp 310 and the operating mechanism 210, the snake bone 370 is sleeved on the first working pipe 320 and the second working pipe 330, the protection pipe 380 is sleeved on the snake bone 370, one end of the protection pipe 380 is connected with the head end seat 360, and the other end is formed into a fourth plug end 350. It will be appreciated that the use of the snake bone 370 to implement the vise 310 and the operating mechanism 210 facilitates the operation of the vise 310 and thus the use of the endoscope. The protection pipeline 380 can protect the snake bone 370, and avoid the phenomenon of endoscope discarding caused by damage of the snake bone 370, the first working pipeline 320 and the second working pipeline 330. Here, the structure of the snake bone 370 may be selected according to actual needs, and the structure of the snake bone 370 is not particularly limited.

Preferably, the outer side of the snake bone 370 is covered with a rubber sleeve, and the protection pipeline 380 is sleeved outside the rubber sleeve. Thereby, the snake bone 370 can be better protected, the rubber sleeve also has the function of sealing the whole pipeline so that the snake bone 370 is in a relatively sealed channel, and the function of assisting in restoring the snake bone 370 in the actual working process.

Further, referring to fig. 4, the head end seat 360 includes a seat body 361, a head end cap 362, and a connection ring 363, the head end cap 362 is sleeved on the seat body 361, one end of the connection ring 363 is connected to the seat body 361, and the other end is connected to the protection pipe 380. It can be appreciated that the seat body 361 is provided with an opening communicated with the first working pipeline 320 and the second working pipeline 330, the lens 340 is arranged on the seat body 361, the seat body 361 is used as a main structure of the head end seat 360, the structural strength of the head end 300 is ensured, the head end cap 362 protects the head end seat 360, the head end cap 362 is made of soft materials, the damage to a patient is reduced, the connecting ring 363 is used as an intermediate connecting structure, and the connection of the head end seat 360 and the protecting pipeline 380 is facilitated.

The endoscope of this embodiment is used by inserting the head end 300 of the endoscope into the designated part of the alimentary canal of human body through the natural cavity, adjusting the movement range and depth through the operation part 200, controlling the bending direction and angle of the snake bone 370 through the control operation mechanism 210, directing the lens 340 to the part to be observed, performing real-time observation and diagnosis, directing the openings of the first working pipeline 320 and the second working pipeline 330 to the part to be treated, performing treatment, when the endoscope is operated, locking the bending angle in each direction, finding that the aligned part of the lens 340 has tissue liquid or foreign matter to block the observed area, pressing the water valve 220 to wash out the tissue liquid or foreign matter with the water supply function, then flushing the lens 340 with the air supply function, then pressing the negative pressure valve on the operation part 200 to absorb the flushing mixed liquid together to the negative pressure suction device through the second working channel, if the tissue sample needs to be extracted, capturing the tissue sample through the three-way connecting valve 280 to be taken outside the body, if the relevant buttons on the operation part 200 need to be photographed in real-time, recorded, frozen, etc., pressing the relevant buttons on the operation part 340 to be transferred to the lens 340 to the image processor, and finally performing the image processing.

The endoscope of this embodiment has the following advantages:

The plug part 100 and the operation part 200 are connected through the first connecting pipeline 400, the operation part 200 and the head end part 300 are connected through the second connecting pipeline 500, the connecting mode is simple in structure, convenient to assemble and sterilize, any part of the plug part 100, the operation part 200 and the head end part 300 can be selectively replaced according to the using times, and the use safety is high;

Secondly, the water-gas converging valve 180 is used as a control valve to control the communication state of the liquid inlet pipe 130, the air inlet pipe 120 and the water-gas valve 220, and one control valve is adopted to realize the control of two channels, so that the structure of an endoscope is simplified;

Thirdly, the first pipeline 410, the second pipeline 420 and the third pipeline 430 are adopted to realize the communication of the plug part 100 and the working channels between the water gas valve 220 and the suction valve 230, so that the operation is very simple, and the assembly of the endoscope is convenient;

Fourth, the water gas valve 220 and the suction valve 230 are communicated with the first working pipeline 320 and the second working pipeline 330 by adopting the fourth pipeline 510, the fifth pipeline 520, the water gas three-way valve 530 and the sixth pipeline 540, so that the operation is very simple, and the assembly of the endoscope is convenient;

Fifth, the operation housing 260 is split into a housing body, a first plugging sleeve and a second plugging sleeve which are detachably connected, so that the operation housing 260 is convenient to assemble, the structure of the operation housing 260 is facilitated to be simplified, and the operation part 200 is convenient to assemble;

Sixth, the water-air valve 220 and the suction valve 230 are inserted into the first insertion hole and the second insertion hole respectively, and the sealing cover 270 is used for sealing the connection positions of the water-air valve 220, the suction valve 230 and the operation housing 260, so that on one hand, the structure of the operation portion 200 is simplified, and on the other hand, the phenomenon that external foreign matters enter the operation portion 200 from the connection gaps between the water-air valve 220, the suction valve 230 and the operation housing 260 is avoided.

In the description of the present specification, reference to the term "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An endoscope is provided, which comprises a body, characterized by comprising the following steps:

A plug part (100), wherein the plug part (100) comprises a suction pipe (110), an air inlet pipe (120), a liquid inlet pipe (130) and a circuit board (140), and the plug part (100) is provided with a first plug-in end (150);

The operation part (200), the operation part (200) comprises an operation mechanism (210), a water-air valve (220) and an attraction valve (230), a liquid inlet (222) of the water-air valve (220) is communicated with the liquid inlet pipe (130), an air inlet (221) of the water-air valve (220) is communicated with the air inlet pipe (120), an attraction outlet (232) of the attraction valve (230) is communicated with the attraction pipe (110), and the operation part (200) is further provided with a second plug-in end (240) and a third plug-in end (250);

The head end (300), the head end (300) comprises a bench clamp (310), a first working pipeline (320), a second working pipeline (330) and a lens (340), the first working pipeline (320) is communicated with an air outlet (223) of the water-air valve (220) and a liquid outlet (224) of the water-air valve (220), the second working pipeline (330) is communicated with an attraction inlet (231) of the attraction valve (230), the bench clamp (310) is connected with the operating mechanism (210) through a driving wire, the operating part (200) is further provided with a fourth inserting end (350), and the lens (340) is electrically connected with the circuit board (140);

The two ends of the first connecting pipeline (400) are respectively spliced at the first splicing end (150) and the second splicing end (240);

And two ends of the second connecting pipeline (500) are respectively spliced at the third splicing end (250) and the fourth splicing end (350).

2. The endoscope according to claim 1, characterized in that the plug portion (100) further comprises:

A plug housing (160), the plug housing (160) having a first mounting cavity;

The suction connector (170) is inserted into the plug shell (160) and is connected with the suction tube (110);

A water and gas combining valve (180), wherein the water and gas combining valve (180) is installed in the first installation cavity, the water and gas combining valve (180) is provided with a gas channel and a liquid channel, the gas channel is communicated with the air inlet (221) of the water and gas valve (220), and the liquid channel is communicated with the liquid inlet (222) of the water and gas valve (220);

And the air inlet connector (190) is inserted into the plug housing (160) and is communicated with the air channel.

3. The endoscope of claim 2, wherein the plug housing (160) comprises a first shell (161) and a second shell (162) that snap together.

4. The endoscope according to claim 1, wherein the operation portion (200) further includes:

An operation housing (260), wherein the operation housing (260) is provided with a second installation cavity, the second installation cavity is provided with a first jack and a second jack, and the water-gas valve (220) and the suction valve (230) are respectively inserted into the first jack and the second jack;

And a sealing cover (270), wherein the sealing cover (270) is buckled with the operation shell (260) and is used for sealing the connection positions of the water-gas valve (220), the suction valve (230) and the operation shell (260).

5. The endoscope of claim 4, wherein the operation housing (260) includes a housing body and first and second plugging sleeves plugged to the housing body, the first and second plugging sleeves forming the second and third plugging ends (240, 250), respectively.

6. The endoscope of claim 1, wherein the first connecting channel (400) comprises a first protective sheath and a first channel (410), a second channel (420) and a third channel (430) disposed within the first protective sheath;

two ends of the first pipeline (410) are respectively spliced with the air inlet pipe (120) and the air inlet (221);

Two ends of the second pipeline (420) are respectively spliced with the liquid inlet pipe (130) and the air inlet pipe (120);

Both ends of the third pipeline (430) are respectively connected with the suction pipe (110) and the suction outlet (232).

7. The endoscope of claim 1, wherein the second connecting tube (500) comprises a second protective sheath and a fourth tube (510), a fifth tube (520), a water-air three-way valve (530) and a sixth tube (540) disposed within the second protective sheath;

Two ends of the fourth pipeline (510) are respectively spliced with the air outlet (223) and the first port of the water-air three-way valve (530);

Two ends of the fifth pipeline (520) are respectively spliced with the liquid outlet (224) and the second port of the water-gas three-way valve (530);

a third port of the water-gas three-way valve (530) is spliced with the first working pipeline (320);

Both ends of the sixth pipeline (540) are respectively communicated with the second working pipeline (330) and the suction inlet (231).

8. The endoscope of claim 7, wherein the operating portion (200) further comprises a three-way connection valve (280), a first port of the three-way connection valve (280) being in communication with an external environment, a second port being connected to the sixth conduit (540), a third port being connected to the second working conduit (330).

9. The endoscope of claim 1, wherein the head end (300) further comprises:

The bench clamp (310) and the lens (340) are arranged in the head end seat (360), and the head end seat (360) is provided with an opening communicated with the first working pipeline (320) and the second working pipeline (330);

the two ends of the snake bone (370) are respectively matched with the bench clamp (310) and the operating mechanism (210), and the snake bone (370) is sleeved on the first working pipeline (320) and the second working pipeline (330);

The protection pipeline (380), protection pipeline (380) cover is located snake bone (370), the one end of protection pipeline (380) with head end seat (360) links to each other, and the other end is formed fourth grafting end (350).

10. The endoscope of claim 9, wherein the head end mount (360) comprises:

a seat body (361);

A head end cap (362), wherein the head end cap (362) is sleeved on the seat body (361);

And one end of the connecting ring (363) is connected with the seat body (361), and the other end of the connecting ring is connected with the protection pipeline (380).