Endoscope handle structure and endoscope

Abstract

The utility model relates to the technical field of medical instruments, and discloses an endoscope handle structure and an endoscope, the endoscope handle structure comprises a shell, a button assembly, an air inlet pipe and an air outlet pipe, the interior of the shell is a cavity, the top of the shell is provided with a first opening, the side part of the shell is provided with a second opening, the button assembly is fixed in the first opening, and the air inlet pipe and the air outlet pipe are arranged in the cavity. The button assembly is located on the outer side of the shell and used for being communicated with the external environment, the air inlet pipe is arranged in the shell, one end of the air inlet pipe is connected with the button assembly, the other end of the air inlet pipe extends towards the operation end of the shell, the air outlet pipe is arranged in the shell, one end of the air outlet pipe is installed in the second open hole, and the other end of the air outlet pipe is connected with the button assembly. According to the utility model, the air outlet pipe is arranged in the second opening arranged at the side part of the shell, so that the air outlet pipe extends outwards from the side part of the shell, when in use, the press button assembly is not interfered, the operation of a user is facilitated, and meanwhile, the suction pump is connected with the air outlet pipe from the side part of the shell, so that the operation of the insertion pipe at the front end of the endoscope is not influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely relates to endoscope handle structure and endoscope. BACKGROUND

[0002] As medical equipment capable of reaching patient's lesion, endoscope has been applied more and more widely in the diagnosis and treatment of diseases. In some application scenarios, endoscope can be matched with negative pressure device to have suction capacity to suck out the body's to be sucked material, such as intra-abdominal gas, effusion, pathological sample, etc.

[0003] The suction operation of endoscope is realized through the suction valve on its handle. In the specific operation process, the operator can make its suction channel and negative pressure channel communicate by pressing the suction valve to suck the sucked material through the suction channel, so as to realize the suction function; after the operation is completed, the operator can release the pressing action on the suction valve to make its negative pressure channel and atmosphere channel communicate and close the suction channel, so as to cut off the negative pressure suction path on the endoscope.

[0004] In the related art, the air outlet pipe connected with the suction pump is directly arranged on the suction valve of the handle, so that when the operator operates and presses the suction valve, the air outlet pipe at the suction valve will affect the pressing operation of the operator, and the air outlet pipe extending to the lens end of the endoscope will also affect the operation of the endoscope lens. SUMMARY

[0005] Therefore, the utility model provides an endoscope handle structure and endoscope to solve the problem that the air outlet pipe arranged on the suction valve affects the operation of the operator in the related art.

[0006] In a first aspect, the utility model provides an endoscope handle structure, which comprises a shell, a button assembly, an air inlet pipe and an air outlet pipe, the inside of the shell is a cavity, the top of the shell is provided with a first opening, the side of the shell is provided with a second opening, one end of the shell is an operation end, the operation end is used for sucking the to be sucked material, the button assembly is fixed in the first opening, the button assembly is located on the outside of the shell and is used for communicating with the outside environment, the air inlet pipe is arranged in the shell, one end of the air inlet pipe is connected with the button assembly, the other end of the air inlet pipe extends to the operation end of the shell, the air outlet pipe is arranged in the shell, one end of the air outlet pipe is installed in the second opening, the other end of the air outlet pipe is connected with the button assembly, and the button assembly communicates or isolates the air inlet pipe and the air outlet pipe.

[0007] Beneficial effects: the utility model installs the air outlet pipe in the second opening arranged in the side of the shell, makes the air outlet pipe extend outward from the side of the shell, does not cause the interference to the pressing button assembly when using, is convenient for the user operation, and the suction pump is connected with the air outlet pipe from the side of the shell, which does not affect the operation of the front end insertion tube of the endoscope.

[0008] In an alternative embodiment, the button assembly comprises a body, a resilient member and a button rod, the body is mounted in the housing, one end of the body extends out of the first opening, the other end of the body is connected with the air inlet pipe, the resilient member is arranged outside the housing, the resilient member is connected with the body, the resilient member is used for connecting the body with the external environment, one end of the button rod is movably mounted in the body, the other end of the button rod is connected with the resilient member, the button rod comprises a first state of connecting the air inlet pipe with the air outlet pipe, and a second state of connecting the air outlet pipe with the external environment.

[0009] Beneficial effects: the button rod and the resilient member are arranged, the user can realize the conduction and disconnection of the air inlet pipe and the air outlet pipe by pressing the button rod, and the button rod has the advantages of simple structure and convenient operation.

[0010] In an alternative embodiment, the body comprises a first cavity and a second cavity, the first cavity connects the air outlet pipe with the external environment, and the second cavity connects the first cavity with the air inlet pipe, and the button rod is movably arranged in the first cavity and the second cavity.

[0011] Beneficial effects: the first cavity and the second cavity of the body are connected and blocked by the operation of the button rod, the conduction and disconnection of the air inlet pipe and the air outlet pipe can be realized, and the button rod has the advantages of simple structure and convenient operation.

[0012] In an alternative embodiment, the button assembly further comprises a sealing member, the sealing member is arranged at one end of the button rod away from the resilient member, and the sealing member comprises a sealing state of abutting against the body and a ventilation state of being separated from the body.

[0013] Beneficial effects: the sealing member is arranged, the sealing property between the button rod and the body is improved, the gas leakage between the air outlet pipe and the air inlet pipe is reduced, and the endoscope handle structure has better suction effect when in use.

[0014] In an alternative embodiment, the side wall of the resilient member is provided with a ventilation hole.

[0015] Beneficial effects: the ventilation hole is arranged on the side wall of the resilient member, the negative pressure in the body can be reduced when the air inlet pipe and the air outlet pipe are disconnected, and the user can press and operate the button rod conveniently.

[0016] In an alternative embodiment, the button assembly further comprises a fixing member, the fixing member is fixedly connected with the housing and the body.

[0017] Beneficial effects: the fixing member is arranged, and the connection between the button assembly and the housing is more stable.

[0018] In an alternative embodiment, the second mounting groove is arranged at one end of the button rod away from the sealing member, the third mounting groove is arranged on the outer wall of the fixing member, the first mounting portion is arranged on the inner wall of one end of the elastic member close to the button rod, the first mounting portion is mounted in the second mounting groove, the second mounting portion is arranged on the inner wall of one end of the elastic member close to the fixing member, and the second mounting portion is mounted in the third mounting groove.

[0019] Beneficial effects: the second mounting groove is arranged on the button rod, the third mounting groove is arranged on the fixing member, and the first mounting portion and the second mounting portion on the elastic member are matched and clamped, so that the elastic member is more stable in installation.

[0020] In an alternative embodiment, the endoscope handle structure further comprises a suction connector, the suction connector is arranged on the side of the shell, and the suction connector is connected with the air outlet pipe.

[0021] Beneficial effects: the suction connector is arranged, and the endoscope handle structure is connected with the air guide pipe of the suction pump.

[0022] In an alternative embodiment, the endoscope handle structure further comprises a cover plate, the cover plate is arranged on the side of the shell, and the suction connector is arranged on the cover plate.

[0023] Secondly, the utility model provides an endoscope, which comprises an insertion tube, a suction pump and the endoscope handle structure, the insertion tube is connected with the operation end, and the suction pump is connected with the air outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the specific embodiment or the related technical scheme of the utility model, the drawings needed to be used in the specific embodiment or the related technical description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0025] Figure 1 It is a three-dimensional structure schematic view of the endoscope handle structure in the related art;

[0026] Figure 2 It is a three-dimensional structure schematic view of the endoscope handle structure in the embodiment of the utility model;

[0027] Figure 3 It is a front view sectional view of the endoscope handle structure in the embodiment of the utility model;

[0028] Figure 4 It is Figure 3 It is a local enlarged schematic view of A in the middle;

[0029] Figure 5A side view partial sectional view of the endoscope handle structure of the utility model embodiment;

[0030] Figure 6 A sectional view of the button rod in the endoscope handle structure of the utility model embodiment;

[0031] Figure 7 A sectional view of the elastic member in the endoscope handle structure of the utility model embodiment;

[0032] Figure 8 A sectional view of the fixing member in the endoscope handle structure of the utility model embodiment;

[0033] Figure 9 A sectional view of the body in the endoscope handle structure of the utility model embodiment.

[0034] Mark explanation:

[0035] 1, shell; 101, operation end;

[0036] 2, button assembly;

[0037] 201, body; 2011, first cavity; 2012, second cavity;

[0038] 202, elastic member; 2021, air hole; 2022, first installation part; 2023, second installation part;

[0039] 203, button rod; 2031, first installation slot; 2032, second installation slot;

[0040] 204, sealing member;

[0041] 205, fixing member; 2051, third installation slot;

[0042] 3, air inlet pipe;

[0043] 4, air outlet pipe;

[0044] 5, suction connector;

[0045] 6, cover plate.

[0046] Related technical mark explanation:

[0047] 1a, air outlet pipe;

[0048] 2a, handle;

[0049] 3a, suction valve. Specific implementation

[0050] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0051] In the related art, as shown in the drawings, Figure 1 The outflow pipe 1a connected with the suction pump is directly arranged on the suction valve 3a of the handle 2a, so that when the operator presses the suction valve 3a, the outflow pipe 1a at the suction valve 3a will interfere with the pressing action of the operator, affecting the pressing operation of the operator, and after the outflow pipe 1a extending to the lens end of the endoscope is connected with the suction pump, the connecting pipeline will extend to the lens direction, which is not conducive to the operation of the endoscope lens.

[0052] The embodiments of the utility model will be described in the following with reference to the drawings. Figures 2 to 9

[0053] According to the embodiments of the utility model, on the one hand, as shown in the drawings, Figure 2 、 Figure 3 and Figure 5 An endoscope handle structure is provided, which comprises a shell 1, a button assembly 2, an air inlet pipe 3 and an air outlet pipe 4. The inside of the shell 1 is a cavity. The top of the shell 1 is provided with a first opening, and the side of the shell 1 is provided with a second opening. One end of the shell 1 is an operation end 101 for sucking the material to be sucked. The button assembly 2 is fixed in the first opening. The button assembly 2 is located on the outside of the shell 1 and is used to communicate with the external environment. The air inlet pipe 3 is arranged in the shell 1. One end of the air inlet pipe 3 is connected with the button assembly 2, and the other end of the air inlet pipe 3 extends to the operation end 101 of the shell 1. The air outlet pipe 4 is arranged in the shell 1. One end of the air outlet pipe 4 is installed in the second opening, and the other end of the air outlet pipe 4 is connected with the button assembly 2. The button assembly 2 communicates or blocks the air inlet pipe 3 and the air outlet pipe 4.

[0054] In the embodiments, the material to be sucked is gas, effusion or pathological sample in the abdominal cavity.

[0055] Specifically, in the embodiments, the shell 1 is hollow and has a tubular columnar structure. The button assembly 2 is located above the shell 1 and is inclined towards the user. Since the endoscope is usually used vertically, the inclined button assembly 2 is convenient for the user to operate and is more convenient and handy to use.

[0056] In the embodiments, as shown in the drawings, Figure 2 ​As shown, the housing 1 front end direction end is provided with an operating end 101, the operating end 101 is used for installing the insertion tube of the endoscope and other equipment, the first opening is arranged above the housing 1, the second opening is arranged on the left side of the housing 1, so as to facilitate the operator to hold the housing 1 with the left hand, the left thumb is supported at the rear of the housing 1, and the button assembly 2 is operated by the index finger.

[0057] In the embodiment, as shown in the figure, Figure 5 As shown, one end of the air outlet pipe 4 is communicated with the side of the button assembly 2 in the housing 1, and the other end extends out of the housing 1 from the second mounting hole, the outwardly extending part is used for being connected with the suction pump, the included angle between the two ends of the air outlet pipe 4 is 90°, and the middle part of the air outlet pipe 4 is an arc-shaped bending section.

[0058] In the embodiment, as shown in the figure, Figure 3 As shown, one end of the air inlet pipe 3 is communicated with the bottom of the button assembly 2, and the other end extends along the housing 1 to the direction of the insertion tube of the endoscope.

[0059] The utility model discloses the air outlet pipe 4 is installed in the second opening arranged in the side of the housing 1, so that the air outlet pipe 4 extends outwards from the side of the housing 1, in use, will not cause the interference of the button assembly 2, facilitate the user operation, and the suction pump is connected with the air outlet pipe 4 from the side of the housing 1, without affecting the operation of the insertion tube of the endoscope.

[0060] In one embodiment, as shown in the figure, Figure 3 And Figure 4 As shown, the button assembly 2 includes a body 201, an elastic member 202 and a button rod 203, the body 201 is installed in the housing 1, one end of the body 201 extends out of the first opening, the other end of the body 201 is connected with the air inlet pipe 3, the elastic member 202 is arranged outside the housing 1, the elastic member 202 is connected with the body 201, the elastic member 202 is used for connecting the body 201 with the external environment, one end of the button rod 203 is movably installed in the body 201, the other end of the button rod 203 is connected with the elastic member 202, the button rod 203 includes a first state of communicating the air inlet pipe 3 with the air outlet pipe 4, and a second state of communicating the air outlet pipe 4 with the external environment.

[0061] Specifically, in the embodiment, the body 201 is in the shape of a pipe column, the body 201 is arranged in the first mounting hole, the upper opening of the body 201 is larger than the lower opening, the upper opening is used for mounting the button rod 203 and communicating with the outside, the lower opening is used for connecting with the air inlet pipe 3, and the side wall of the body 201 is provided with an opening communicating with the air outlet pipe 4. The inner wall of the body 201 vertically extends from top to bottom, the inner diameter of the lower part of the inner wall is larger than that of the upper part, when the button rod 203 is located in the body 201, the button rod 203 abuts against the inner wall of the body 201, the button rod 203 communicates the air outlet pipe 4 with the outside environment and disconnects the air inlet pipe 3 from the air outlet pipe 4, when the bottom of the button rod 203 moves to the lower part of the body 201, the lower end of the button rod 203 is separated from the inner wall of the body 201, and the upper end of the button rod 203 abuts against the body 201, at this time, the button rod 203 communicates the air inlet pipe 3 with the air outlet pipe 4, and the button rod 203 disconnects the outside environment from the inside of the body 201.

[0062] In the embodiment, the elastic member 202 is a rubber sleeve, which is made of rubber or silica gel and has the shape of a cylinder, the bottom end of the rubber sleeve abuts against the shell at the first mounting hole, the button rod 203 is arranged in the rubber sleeve, and the top end of the button rod 203 abuts against the top end of the rubber sleeve; when the button rod 203 is pressed, the rubber sleeve is compressed, and the compressed rubber sleeve has an elastic force to drive the button rod 203 to return to the original position; and when the button rod 203 is released, the button rod 203 returns to the original position under the elastic force of the rubber sleeve.

[0063] In other embodiments, the elastic member 202 can also be a spring, the button rod 203 is arranged in the spring, the top of the button rod 203 abuts against the top of the spring, and the bottom of the spring abuts against the shell 1.

[0064] The utility model sets up the button rod 203 and the elastic member 202, and the user can realize the conduction and disconnection of the air inlet pipe 3 and the air outlet pipe 4 by pressing the button rod 203, and the utility model has the advantages of simple structure and convenient operation.

[0065] In one embodiment, as shown in Figure 9 the body 201 includes a first cavity 2011 and a second cavity 2012, the first cavity 2011 communicates the air outlet pipe 4 with the outside environment, the second cavity 2012 communicates the first cavity 2011 with the air inlet pipe 3, and the button rod 203 is movably arranged in the first cavity 2011 and the second cavity 2012.

[0066] Specifically, in the embodiment, the first cavity 2011 is located at the upper part of the body 201, the second cavity 2012 is located at the lower part of the body 201, the top of the first cavity 2011 communicates with the outside environment, the side of the first cavity 2011 communicates with the air outlet pipe 4, the bottom of the first cavity 2011 communicates with the top of the second cavity 2012, and the bottom of the second cavity 2012 communicates with the air inlet pipe 3.

[0067] The utility model discloses the operating button rod 203 links and blocks the first cavity 2011 and the second cavity 2012 of the body 201, and the air inlet pipe 3 and the air outlet pipe 4 can be connected and disconnected, which has the advantages of simple structure and convenient operation.

[0068] In one embodiment, as shown in Figure 3 The button assembly 2 further includes a sealing member 204, which is arranged at the end of the button rod 203 away from the elastic member 202. The sealing member 204 includes a sealing state of abutting against the body 201 and a ventilation state of being separated from the body 201.

[0069] Specifically, the sealing member 204 is a sealing bowl in the embodiment, which can be made of rubber or silicone and has a certain elasticity. The sealing member 204 is installed in the lower part of the button rod 203, and the outer wall of the sealing member 204 is in sealing abutment with the inner wall of the body 201.

[0070] The utility model discloses the sealing member 204, improves the sealing property between the button rod 203 and the body 201, reduces the gas leakage between the air outlet pipe 4 and the air inlet pipe 3, so that the endoscope handle structure has better suction effect when in use.

[0071] In one embodiment, as shown in Figure 3 And Figure 6 The button rod 203 is provided with a first installation groove 2031, and the sealing member 204 is arranged in the installation groove.

[0072] Specifically, the button rod 203 is provided with the first installation groove 2031 in the lower part, and the sealing member 204 is embedded and installed in the first installation groove 2031, so that the sealing member 204 is firmly installed. When the button rod 203 is pressed and moved, the sealing member 204 is firmly installed on the button rod 203.

[0073] The utility model discloses the first installation groove 2031 on the button rod 203, which ensures that the sealing member 204 is firmly installed when the button rod 203 is pressed and used, thereby ensuring the sealing property of the body 201.

[0074] In one embodiment, as shown in Figure 2 The elastic member 202 is provided with a ventilation hole 2021 on the side wall.

[0075] Specifically, the air hole 2021 on the side wall of the elastic member 202 in the embodiment connects the outside environment with the first cavity 2011 in the body 201 through the opening at the top of the body 201, when the button rod 203 is pressed, the upper part of the button rod 203 abuts against the inner wall of the body 201, and the communication between the first cavity 2011 and the air hole 2021 is blocked, and when the button rod 203 is released, the button rod 203 returns to the original position under the elastic force of the elastic member 202, and the first cavity 2011 is in communication with the outside environment again.

[0076] The utility model discloses a set up air hole 2021 on the side wall of elastic member 202, when the air inlet pipe 3 and air outlet pipe 4 are disconnected, can reduce the negative pressure in the body 201, facilitate user to press operating button rod 203.

[0077] In one embodiment, as shown in Figure 3 and Figure 4 The button assembly 2 further includes a fixing member 205, which is fixedly connected with the shell 1 and the body 201.

[0078] Specifically, in the embodiment, the fixing member 205 can be a fixed nut, the part of the top end of the body 201 extending outward with the first mounting hole is provided with external threads, and the inner wall of the fixing member 205 is provided with internal threads. The fixing member 205 is connected with the top part of the body 201 through threads, so that the body 201 is more stable in installation on the shell 1, and the stability of the button assembly 2 is ensured, and the installation assembly will not be loose when frequently pressed.

[0079] The utility model discloses a set up fixing member 205, make button assembly 2 and shell 1 connection more stable.

[0080] In one embodiment, as shown in Figures 6 to 8 The end of the button rod 203 away from the sealing member 204 is provided with a second mounting groove 2032, the outer wall of the fixing member 205 is provided with a third mounting groove 2051, the inner wall of the end of the elastic member 202 close to the button rod 203 is provided with a first mounting part 2022, the first mounting part 2022 is installed in the second mounting groove 2032, and the inner wall of the end of the elastic member 202 close to the fixing member 205 is provided with a second mounting part 2023, and the second mounting part 2023 is installed in the third mounting groove 2051.

[0081] Specifically, in the embodiment, the second mounting groove 2032 is arranged on the upper side wall of the button rod 203, the third mounting groove 2051 is arranged on the outer wall of the fixing member 205, the first mounting part 2022 protruding is arranged on the upper inner wall of the elastic member 202, the second mounting part 2023 protruding is arranged on the lower inner wall of the elastic member 202, the first mounting part 2022 is clamped and installed in the second mounting groove 2032, and the second mounting part 2023 is clamped and installed in the third mounting groove 2051.

[0082] The utility model discloses a second installation groove 2032 is established on button rod 203, and third installation groove 2051 is established on fixing part 205, and through the cooperation of first installation part 2022 and second installation part 2023 on elastic part 202, the elastic part 202 can be installed more firmly.

[0083] In one embodiment, as shown in Figure 2 and Figure 4 The endoscope handle structure further comprises a suction connector 5, which is arranged on the side of the shell 1 and connected with the air outlet pipe 4.

[0084] Specifically, the side of the shell 1, on which the second opening is arranged, is provided with the suction connector 5, which is connected with the air outlet pipe 4, and the outer wall of the suction connector 5 is provided with a protruding third mounting part in the form of an inclined surface, so as to facilitate the connection of the air guide pipe on the suction pump with the suction connector 5, and the air guide pipe and the suction connector 5 are connected in an interference fit, thereby ensuring the stability of the installation of the air guide pipe.

[0085] The utility model discloses a suction connector 5, which facilitates the connection of the endoscope handle structure with the air guide pipe on the suction pump.

[0086] In one embodiment, as shown in Figure 2 and Figure 4 The endoscope handle structure further comprises a cover plate 6, which is arranged on the side of the shell 1 and on which the suction connector 5 is arranged.

[0087] Specifically, the side of the shell 1 is in the form of an opening, which facilitates the installation and maintenance of the components in the endoscope handle structure, the second opening and the suction connector 5 are arranged on the cover plate 6, the air outlet pipe 4 passes through the second opening and is connected with the suction connector 5 on the cover plate 6, and the cover plate 6 is connected with the shell 1, so as to ensure the sealing property of the shell 1.

[0088] According to the embodiments of the utility model, on the other hand, an endoscope is also provided, which comprises an insertion tube, a suction pump and the above-mentioned endoscope handle structure, the insertion tube is connected with the operation end 101, and the suction pump is connected with the air outlet pipe 4.

[0089] The utility model discloses a second installation groove 2032 is established on button rod 203, and third installation groove 2051 is established on fixing part 205, and through the cooperation of first installation part 2022 and second installation part 2023 on elastic part 202, the elastic part 202 can be installed more firmly.

[0090] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope of the appended claims.

Claims

1. An endoscope handle structure characterized by, The utility model relates to a kind of button assembly and the shell of its application, including: Shell (1), the shell (1) inside is empty cavity, the shell (1) top is equipped with first aperture, the shell (1) side is equipped with second aperture, the shell (1) one end is operating end (101), the operating end (101) is used to suck the object to be sucked; Button assembly (2), the button assembly (2) is fixed in the first aperture, the button assembly (2) is located in the outside part of the shell (1) for communicating with outside environment; Air inlet pipe (3), the air inlet pipe (3) is arranged in the shell (1), the air inlet pipe (3) one end is connected with the button assembly (2), the air inlet pipe (3) other end extends to the operating end (101) of the shell (1); Air outlet pipe (4), the air outlet pipe (4) is arranged in the shell (1), the air outlet pipe (4) one end is installed in the second aperture, the air outlet pipe (4) other end is connected with the button assembly (2), the button assembly (2) communicates or disconnects the air inlet pipe (3) and the air outlet pipe (4).

2. The endoscope handle structure according to claim 1, characterized by The button assembly (2) includes: Body (201), the body (201) is installed in the shell (1), the body (201) one end extends the first aperture, the body (201) other end is connected with the air inlet pipe (3); Elastic member (202), the elastic member (202) is arranged in the shell (1) outside, the elastic member (202) is connected with the body (201), and the elastic member (202) is used to communicate the body (201) with outside environment; Button rod (203), the button rod (203) one end is movably installed in the body (201), the button rod (203) other end is connected with the elastic member (202), and the button rod (203) includes the first state of communicating the air inlet pipe (3) with the air outlet pipe (4) and the second state of communicating the air outlet pipe (4) with outside environment.

3. The endoscope handle structure according to claim 2, characterized by The body (201) includes: First cavity (2011), the first cavity (2011) communicates the air outlet pipe (4) and outside environment; Second cavity (2012), the second cavity (2012) communicates the first cavity (2011) and the air inlet pipe (3), and the button rod (203) is movably arranged in the first cavity (2011) and the second cavity (2012).

4. The endoscope handle structure according to claim 2 or 3, characterized by The button assembly (2) further includes sealing member (204), the sealing member (204) is arranged in the end of the button rod (203) away from the elastic member (202), and the sealing member (204) includes the sealing state of abutting with the body (201) and the ventilation state of separating from the body (201).

5. The endoscope handle structure according to claim 4, characterized by Ventilation hole (2021) is arranged on the sidewall of the elastic member (202).

6. The endoscope handle structure according to claim 5, characterized by The button assembly (2) further includes fixing member (205), and the fixing member (205) fixedly connects the shell (1) with the body (201).

7. The endoscope handle structure according to claim 6, characterized by The button rod (203) is provided with a second mounting groove (2032) at one end away from the seal (204), the fixing member (205) is provided with a third mounting groove (2051) on the outer wall, the elastic member (202) is provided with a first mounting portion (2022) on the inner wall at one end close to the button rod (203), the first mounting portion (2022) is mounted in the second mounting groove (2032), the elastic member (202) is provided with a second mounting portion (2023) on the inner wall at one end close to the fixing member (205), and the second mounting portion (2023) is mounted in the third mounting groove (2051).

8. The endoscope handle structure according to claim 1, characterized by The suction connector (5) is arranged on the side of the shell (1), and the suction connector (5) is connected with the air outlet pipe (4).

9. The endoscope handle structure according to claim 8, characterized by The cover plate (6) is arranged on the side of the shell (1), and the suction connector (5) is arranged on the cover plate (6).

10. An endoscope characterized by comprising: The endoscope handle structure of any one of claims 1 to 9, an insertion tube connected with the operation end (101), and a suction pump connected with the air outlet pipe (4).

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