Hemorrhoids loop ligature device with lighting function

Abstract

The utility model discloses a haemorrhoids loop ligature device with a lighting function, which is provided with a light source component for lighting, and further comprises a power supply component, a non-contact inductive switch and a handle shell, wherein one end of the non-contact inductive switch is connected with the power supply component, the other end of the non-contact inductive switch is connected with the light source component, and the non-contact inductive switch is installed in the handle shell and attached to the inner wall of the handle shell. When the non-contact inductive switch is touched in the air across the handle shell, the non-contact inductive switch is inducted and controls the light source component to be turned on and turned off. The LED lamp is provided with the light source component, can control the light source component to be opened and closed according to requirements, and is more convenient to use.

Description

Technical Field

[0001] The utility model relates to a hemorrhoid ligation device with a lighting function. Background Art

[0002] At present, a hemorrhoid ligation device is a medical device used for minimally invasive hemorrhoid surgery. In order to make the field of vision clearer during the operation, some hemorrhoid ligation devices are now provided with a light source component for lighting. For example, a hemorrhoid ligation device with a light source is disclosed in a Chinese patent with publication number CN211511971U, in which a light source component for lighting is provided. However, once a battery is installed in the hemorrhoid ligation device with a light source in the above patent, the light source component will always be in an on lighting state and cannot be turned off. Therefore, it is impossible to control the on and off of the light source component according to demand, which is inconvenient to use. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a hemorrhoid ligation device with a lighting function. The hemorrhoid ligation device has a light source component and can control the opening and closing of the light source component according to demand, so that the use is more convenient.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a hemorrhoid ligation device with lighting function, which has a light source component for lighting, and also includes a power supply component, a non-contact induction switch and a handle housing;

[0005] One end of the non-contact induction switch is connected to the power supply component, and the other end of the non-contact induction switch is connected to the light source component;

[0006] The non-contact induction switch is installed in the handle housing and is arranged in close contact with the inner wall of the handle housing, so that when the non-contact induction switch is touched in the air through the handle housing, the non-contact induction switch is sensed and controls the turning on and off of the light source component.

[0007] Further, the power supply component is installed in the handle housing;

[0008] One end of the non-contact induction switch is connected to the power supply component via an input wire;

[0009] The other end of the non-contact induction switch is connected to the light source component through an output wire.

[0010] Furthermore, the hemorrhoid ligation device with lighting function also includes an airway tube assembly, an adsorption sleeve and a propulsion mechanism;

[0011] The airway tube assembly is connected to the handle housing, one end of the airway tube assembly is used to connect to a negative pressure source, the adsorption sleeve is connected to the other end of the airway tube assembly, and the adsorption sleeve is used to suck hemorrhoidal tissue after being connected to negative pressure through the airway tube assembly;

[0012] A rubber ring is sleeved on the outer wall of the adsorption sleeve;

[0013] The propulsion mechanism is cooperatively connected with the outer wall of the adsorption sleeve and is used to push the rubber ring on the outer wall of the adsorption sleeve onto the hemorrhoid tissue sucked into the adsorption sleeve;

[0014] The light source component is connected in the adsorption sleeve;

[0015] The output wire passes through the air guide tube assembly, one end of the output wire extends from the air guide tube assembly into the adsorption sleeve and is connected to the light source component, and the other end of the output wire extends from the air guide tube assembly into the handle housing and is connected to the non-contact induction switch.

[0016] A specific structure of the airway tube assembly is further provided, wherein the airway tube assembly comprises a straight tube, an inclined tube and a tube head;

[0017] The tube head is connected to the upper end of the oblique tube and is located in the handle housing;

[0018] The lower end of the inclined tube extends out of the handle housing and is used to connect to a negative pressure source;

[0019] The straight tube extends in the front-to-back direction, the front end of the straight tube is connected to the adsorption sleeve, the rear end of the straight tube is connected to the tube head, and the adsorption sleeve, the straight tube, the tube head and the inclined tube are connected in sequence;

[0020] The output wire passes through the straight tube and the tube head, the front end of the output wire extends from the straight tube into the adsorption sleeve and is connected to the light source component, and the rear end of the output wire extends from the tube head into the handle housing and is connected to the non-contact induction switch.

[0021] Furthermore, a threading hole is provided in the tube head, and the rear end of the output wire passes through the threading hole from the tube head and then extends into the handle housing, and a sealing member is provided between the output wire and the threading hole.

[0022] Furthermore, a wire clamping groove is provided in the straight tube, and the output wire is clamped and fixed in the wire clamping groove.

[0023] Furthermore, the hemorrhoid ligation device with lighting function also includes a negative pressure switch, which is connected to the oblique tube and is used to control the on and off of the negative pressure in the oblique tube.

[0024] A specific structure of the propulsion mechanism is further provided, wherein the propulsion mechanism includes a push tube, a sliding sleeve, a sliding head, a trigger and a spring;

[0025] The sliding head is slidably connected to the straight tube along the front-back direction;

[0026] The push tube is sleeved on the outer side of the adsorption sleeve;

[0027] The sliding sleeve is arranged on the outside of the straight tube, the front end of the sliding sleeve is connected to the push tube, and the rear end of the sliding sleeve is connected to the sliding head;

[0028] One end of the spring is connected to the sliding head, and the other end of the spring is connected to the handle housing, and the spring is used to drive the sliding head to move backward and reset;

[0029] The sliding head is provided with a driving boss portion;

[0030] The trigger is hinged on the handle housing, the lower end of the trigger extends out of the handle housing, and the upper end of the trigger abuts against the rear end of the driving boss portion.

[0031] A connection structure of the non-contact induction switch is further provided, wherein the handle housing comprises a left housing and a right housing, and the left housing is detachably connected to the right housing;

[0032] The non-contact induction switch is closely connected to the inner wall of the handle housing through a first connecting structure;

[0033] The first connection structure includes a left groove wall provided on the inner wall of the left housing and a right groove wall provided on the inner wall of the right housing;

[0034] The left groove wall is aligned with the right groove wall, a left slot for inserting the left end of the non-contact induction switch is provided between the left groove wall and the inner wall of the left shell, and a right slot for inserting the right end of the non-contact induction switch is provided between the right groove wall and the inner wall of the right shell, and when the left shell is connected to the right shell, the non-contact induction switch is inserted into the left slot and the right slot to fix the non-contact induction switch.

[0035] Another connection structure of the non-contact induction switch is further provided, wherein the non-contact induction switch is connected to the inner wall of the left side wall of the handle housing through a second connection structure;

[0036] The second connection structure includes a plurality of clips which are arranged around the outside of the non-contact induction switch and connected to the handle housing, and the clips are provided with hooks for hooking the non-contact induction switch.

[0037] After adopting the above technical solution, when the non-contact induction switch is touched in the air through the handle housing, the non-contact induction switch is sensed and controls the opening and closing of the light source component. By setting the light source component, it can play a role of lighting. By setting the non-contact induction switch, the opening and closing of the light source component can be controlled according to needs, which makes it more convenient to use. Specifically, when the non-contact induction switch is touched in the air, a light touch can turn on the light source component, pressing and holding can adjust the brightness, and touching again can turn off the light source component. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a structural schematic diagram of the hemorrhoid ligation device with lighting function of the utility model;

[0039] Figure 2 It is an assembly explosion diagram of the hemorrhoid ligation device with lighting function of the utility model;

[0040] Figure 3 It is a cross-sectional view of the hemorrhoid ligation device with lighting function of the utility model;

[0041] Figure 4 for Figure 3 Detailed drawings of the parts;

[0042] Figure 5 It is a structural schematic diagram of the first connection structure of the utility model;

[0043] Figure 6 It is a structural schematic diagram of a wire clamping groove in a straight pipe of the utility model;

[0044] Figure 7 It is a structural schematic diagram of the second connection structure of the utility model. DETAILED DESCRIPTION

[0045] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0046] Embodiment 1

[0047] like Figures 1 to 3 As shown, a hemorrhoid ligation device with lighting function has a light source component 1 for lighting, and also includes a power supply component 2, a non-contact induction switch 3 and a handle housing 4;

[0048] One end of the non-contact induction switch 3 is connected to the power supply component 2, and the other end of the non-contact induction switch 3 is connected to the light source component 1;

[0049] The non-contact induction switch 3 is installed in the handle housing 4 and is arranged in close contact with the inner wall of the handle housing 4, so that when the non-contact induction switch 3 is touched in the air through the handle housing 4, the non-contact induction switch 3 is sensed and controls the opening and closing of the light source component 1; specifically, the light source component 1 is arranged to play a lighting role, and the non-contact induction switch 3 is arranged to control the opening and closing of the light source component 1 according to needs, so that it is more convenient to use; in this embodiment, when the non-contact induction switch 3 is touched in the air, a light touch can turn on the light source component 1, and a press and hold can adjust the brightness, and a touch again can turn off the light source component 1. The specific structure of the non-contact induction switch 3 is a prior art well known to those skilled in the art, and the non-contact induction switch 3 has a sensing copper sheet and a sensing distance of about 4 mm.

[0050] like Figures 1 to 3 As shown, the power supply component 2 is installed in the handle housing 4;

[0051] One end of the non-contact induction switch 3 is connected to the power supply component 2 via an input wire 5;

[0052] The other end of the non-contact induction switch 3 is connected to the light source component 1 through an output wire 6; specifically, the input wire 5 is provided with two, one of which is connected to the positive pole of the power supply component 2, and the other is connected to the negative pole of the power supply component 2; the output conductive wire is also provided with two, one of which is connected to the positive pole of the light source component 1, and the other is connected to the negative pole of the light source component 1. The handle housing 4 is also provided with a wire clip 25 for clamping the input wire 5 and the output wire 6.

[0053] like Figures 1 to 3 As shown, the hemorrhoid ligation device with lighting function may also include an air guide tube assembly 7, an adsorption sleeve 8 and a propulsion mechanism;

[0054] The airway tube assembly 7 is connected to the handle housing 4, one end of the airway tube assembly 7 is used to connect to a negative pressure source, the adsorption sleeve 8 is connected to the other end of the airway tube assembly 7, and the adsorption sleeve 8 is used to suck hemorrhoidal tissue after being connected to negative pressure through the airway tube assembly 7;

[0055] A rubber ring is sleeved on the outer wall of the adsorption sleeve 8;

[0056] The propulsion mechanism is cooperatively connected with the outer wall of the adsorption sleeve 8 and is used to push the rubber ring on the outer wall of the adsorption sleeve 8 onto the hemorrhoid tissue sucked into the adsorption sleeve 8;

[0057] The light source component 1 is connected in the adsorption sleeve 8;

[0058] The output wire 6 passes through the air guide tube assembly 7, one end of the output wire 6 extends from the air guide tube assembly 7 into the adsorption sleeve 8 and is connected to the light source component 1, and the other end of the output wire 6 extends from the air guide tube assembly 7 into the handle housing 4 and is connected to the non-contact sensing switch 3.

[0059] like Figures 2 to 4 As shown, the air guide tube assembly 7 may include a straight tube 9, an inclined tube 10 and a tube head 11;

[0060] The tube head 11 is connected to the upper end of the oblique tube 10 and is located in the handle housing 4;

[0061] The lower end of the inclined tube 10 extends out of the handle housing 4 and is used to connect to a negative pressure source;

[0062] The straight tube 9 extends in the front-to-back direction, the front end of the straight tube 9 is connected to the adsorption sleeve 8, the rear end of the straight tube 9 is connected to the pipe head 11, and the adsorption sleeve 8, the straight tube 9, the pipe head 11 and the inclined tube 10 are connected in sequence;

[0063] The output wire 6 passes through the straight tube 9 and the tube head 11, the front end of the output wire 6 extends from the straight tube 9 into the adsorption sleeve 8 and is connected to the light source component 1, and the rear end of the output wire 6 extends from the tube head 11 into the handle housing 4 and is connected to the non-contact induction switch 3.

[0064] like Figure 4 As shown, a threading hole is provided in the tube head 11, and the rear end of the output wire 6 passes through the threading hole from the tube head 11 and extends into the handle housing 4. A sealing member 12 is provided between the output wire 6 and the threading hole to prevent negative pressure leakage.

[0065] like Figure 6 As shown, the straight tube 9 is provided with a wire slot 13, and the output wire 6 is fixed in the wire slot 13; specifically, the center of the light source component 1 is provided with a through hole for negative pressure conduction, and the light source component 1 can be an LED light source.

[0066] like Figure 1 , 2 As shown, the hemorrhoid ligation device with lighting function may further include a negative pressure switch 14 , which is connected to the oblique tube 10 and is used to control the on and off of the negative pressure in the oblique tube 10 .

[0067] like Figures 2 to 4 As shown, the propulsion mechanism may include a push tube 15, a sliding sleeve 16, a sliding head 17, a trigger 18 and a spring 19;

[0068] The sliding head 17 is slidably connected to the straight tube 9 along the front-back direction;

[0069] The push tube 15 is sleeved on the outer side of the adsorption sleeve 8;

[0070] The sliding sleeve 16 is arranged outside the straight tube 9, the front end of the sliding sleeve 16 is connected to the push tube 15, and the rear end of the sliding sleeve 16 is connected to the sliding head 17;

[0071] One end of the spring 19 is connected to the sliding head 17, and the other end of the spring 19 is connected to the handle housing 4. The spring 19 is used to drive the sliding head 17 to move backward and reset, thereby driving the sliding sleeve 16 and the push tube 15 to move backward and reset;

[0072] The sliding head 17 is provided with a driving boss portion 20;

[0073] The trigger 18 is hinged on the handle housing 4, the lower end of the trigger 18 extends out of the handle housing 4, and the upper end of the trigger 18 abuts against the rear end of the driving boss portion 20; specifically, when the trigger 18 is pulled, the upper end of the trigger 18 pushes the driving boss portion 20 forward, thereby driving the sliding head 17, the sliding sleeve 16 and the push tube 15 to move forward, thereby causing the push tube 15 to push the rubber ring on the outer wall of the adsorption sleeve 8 onto the hemorrhoid tissue sucked into the adsorption sleeve 8. When the trigger 18 is released, the spring 19 pulls the sliding head 17 to move backward and reset, thereby driving the sliding sleeve 16 and the push tube 15 to move backward and reset.

[0074] like Figure 5 As shown, the handle housing 4 in this embodiment includes a left housing 21 and a right housing 22, and the left housing 21 is detachably connected to the right housing 22;

[0075] The non-contact induction switch 3 is connected to the inner wall of the handle housing 4 via a first connection structure;

[0076] The first connection structure includes a left groove wall 23 provided on the inner wall of the left housing 21 and a right groove wall 24 provided on the inner wall of the right housing 22;

[0077] The left groove wall 23 is aligned with the right groove wall 24. A left slot for inserting the left end of the non-contact induction switch 3 is provided between the left groove wall 23 and the inner wall of the left shell 21. A right slot 26 for inserting the right end of the non-contact induction switch 3 is provided between the right groove wall 24 and the inner wall of the right shell 22. When the left shell 21 is connected to the right shell 22, the non-contact induction switch 3 is inserted into the left slot and the right slot 26 to fix the non-contact induction switch 3.

[0078] Embodiment 2

[0079] like Figures 1 to 3 As shown, a hemorrhoid ligation device with lighting function has a light source component 1 for lighting, and also includes a power supply component 2, a non-contact induction switch 3 and a handle housing 4;

[0080] One end of the non-contact induction switch 3 is connected to the power supply component 2, and the other end of the non-contact induction switch 3 is connected to the light source component 1;

[0081] The non-contact induction switch 3 is installed in the handle housing 4 and is arranged in close contact with the inner wall of the handle housing 4, so that when the non-contact induction switch 3 is touched in the air through the handle housing 4, the non-contact induction switch 3 is sensed and controls the opening and closing of the light source component 1; specifically, the light source component 1 is arranged to play a lighting role, and the non-contact induction switch 3 is arranged to control the opening and closing of the light source component 1 according to needs, so that it is more convenient to use; in this embodiment, when the non-contact induction switch 3 is touched in the air, a light touch can turn on the light source component 1, and a press and hold can adjust the brightness, and a touch again can turn off the light source component 1. The specific structure of the non-contact induction switch 3 is a prior art well known to those skilled in the art, and the non-contact induction switch 3 has a sensing copper sheet and a sensing distance of about 4 mm.

[0082] like Figure 7 As shown, the power supply component 2 is installed in the handle housing 4;

[0083] One end of the non-contact induction switch 3 is connected to the power supply component 2 via an input wire 5;

[0084] The other end of the non-contact induction switch 3 is connected to the light source component 1 through an output wire 6; specifically, the input wire 5 is provided with two, one of which is connected to the positive pole of the power supply component 2, and the other is connected to the negative pole of the power supply component 2; the output conductive wire is also provided with two, one of which is connected to the positive pole of the light source component 1, and the other is connected to the negative pole of the light source component 1. The handle housing 4 is also provided with a wire clip 25 for clamping the input wire 5 and the output wire 6.

[0085] like Figures 1 to 3 As shown, the hemorrhoid ligation device with lighting function may also include an air guide tube assembly 7, an adsorption sleeve 8 and a propulsion mechanism;

[0086] The airway tube assembly 7 is connected to the handle housing 4, one end of the airway tube assembly 7 is used to connect to a negative pressure source, the adsorption sleeve 8 is connected to the other end of the airway tube assembly 7, and the adsorption sleeve 8 is used to suck hemorrhoidal tissue after being connected to negative pressure through the airway tube assembly 7;

[0087] A rubber ring is sleeved on the outer wall of the adsorption sleeve 8;

[0088] The propulsion mechanism is cooperatively connected with the outer wall of the adsorption sleeve 8 and is used to push the rubber ring on the outer wall of the adsorption sleeve 8 onto the hemorrhoid tissue sucked into the adsorption sleeve 8;

[0089] The light source component 1 is connected in the adsorption sleeve 8;

[0090] The output wire 6 passes through the air guide tube assembly 7, one end of the output wire 6 extends from the air guide tube assembly 7 into the adsorption sleeve 8 and is connected to the light source component 1, and the other end of the output wire 6 extends from the air guide tube assembly 7 into the handle housing 4 and is connected to the non-contact sensing switch 3.

[0091] like Figure 2 , 3 As shown in , 7, the air guide tube assembly 7 may include a straight tube 9, an inclined tube 10 and a tube head 11;

[0092] The tube head 11 is connected to the upper end of the oblique tube 10 and is located in the handle housing 4;

[0093] The lower end of the inclined tube 10 extends out of the handle housing 4 and is used to connect to a negative pressure source;

[0094] The straight tube 9 extends in the front-to-back direction, the front end of the straight tube 9 is connected to the adsorption sleeve 8, the rear end of the straight tube 9 is connected to the pipe head 11, and the adsorption sleeve 8, the straight tube 9, the pipe head 11 and the inclined tube 10 are connected in sequence;

[0095] The output wire 6 passes through the straight tube 9 and the tube head 11, the front end of the output wire 6 extends from the straight tube 9 into the adsorption sleeve 8 and is connected to the light source component 1, and the rear end of the output wire 6 extends from the tube head 11 into the handle housing 4 and is connected to the non-contact induction switch 3.

[0096] In this embodiment, a threading hole is provided in the tube head 11, and the rear end of the output wire 6 passes through the threading hole from the tube head 11 and extends into the handle housing 4. A seal 12 is provided between the output wire 6 and the threading hole to prevent negative pressure leakage.

[0097] like Figure 6 As shown, the straight tube 9 is provided with a wire slot 13, and the output wire 6 is fixed in the wire slot 13; specifically, the center of the light source component 1 is provided with a through hole for negative pressure conduction, and the light source component 1 can be an LED light source.

[0098] like Figure 1 , 2 As shown, the hemorrhoid ligation device with lighting function may further include a negative pressure switch 14 , which is connected to the oblique tube 10 and is used to control the on and off of the negative pressure in the oblique tube 10 .

[0099] In this embodiment, the propulsion mechanism may include a push tube 15, a sliding sleeve 16, a sliding head 17, a trigger 18 and a spring 19;

[0100] The sliding head 17 is slidably connected to the straight tube 9 along the front-back direction;

[0101] The push tube 15 is sleeved on the outer side of the adsorption sleeve 8;

[0102] The sliding sleeve 16 is arranged outside the straight tube 9, the front end of the sliding sleeve 16 is connected to the push tube 15, and the rear end of the sliding sleeve 16 is connected to the sliding head 17;

[0103] One end of the spring 19 is connected to the sliding head 17, and the other end of the spring 19 is connected to the handle housing 4. The spring 19 is used to drive the sliding head 17 to move backward and reset, thereby driving the sliding sleeve 16 and the push tube 15 to move backward and reset;

[0104] The sliding head 17 is provided with a driving boss portion 20;

[0105] The trigger 18 is hinged on the handle housing 4, the lower end of the trigger 18 extends out of the handle housing 4, and the upper end of the trigger 18 abuts against the rear end of the driving boss portion 20; specifically, when the trigger 18 is pulled, the upper end of the trigger 18 pushes the driving boss portion 20 forward, thereby driving the sliding head 17, the sliding sleeve 16 and the push tube 15 to move forward, thereby causing the push tube 15 to push the rubber ring on the outer wall of the adsorption sleeve 8 onto the hemorrhoid tissue sucked into the adsorption sleeve 8. When the trigger 18 is released, the spring 19 pulls the sliding head 17 to move backward and reset, thereby driving the sliding sleeve 16 and the push tube 15 to move backward and reset.

[0106] like Figure 7 As shown, the non-contact induction switch 3 is connected to the inner wall of the left side wall of the handle housing 4 through a second connecting structure;

[0107] The second connection structure includes a plurality of clips 27 which are arranged around the outside of the non-contact sensing switch 3 and connected to the handle housing 4, and the clips 27 have hooks for hooking the non-contact sensing switch 3; in this embodiment, the negative pressure switch 14 is also connected to the left side wall of the handle housing 4.

[0108] In summary, when the non-contact induction switch 3 is touched in the air through the handle housing 4, the non-contact induction switch 3 is sensed and controls the opening and closing of the light source component 1. By setting the light source component 1, it can play a role of lighting. By setting the non-contact induction switch 3, the opening and closing of the light source component 1 can be controlled according to needs, which makes it more convenient to use. Specifically, when the non-contact induction switch 3 is touched in the air, a light touch can turn on the light source component 1, and pressing and holding can adjust the brightness, and touching again can turn off the light source component 1.

[0109] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hemorrhoid ligation device with lighting function, characterized in that: It has a light source component (1) for lighting, and also includes a power supply component (2), a non-contact induction switch (3) and a handle housing (4); One end of the non-contact inductive switch (3) is connected to the power supply component (2), and the other end of the non-contact inductive switch (3) is connected to the light source component (1); The non-contact induction switch (3) is installed in the handle housing (4) and is arranged to fit the inner wall of the handle housing (4), so that when the non-contact induction switch (3) is touched in the air through the handle housing (4), the non-contact induction switch (3) is sensed and controls the light source component (1) to be turned on and off.

2. The hemorrhoid ligation device with lighting function according to claim 1, characterized in that: The power supply component (2) is installed in the handle housing (4); One end of the non-contact induction switch (3) is connected to the power supply component (2) via an input wire (5); The other end of the non-contact induction switch (3) is connected to the light source component (1) via an output wire (6).

3. The hemorrhoid ligation device with lighting function according to claim 2, characterized in that: It also includes an air guide tube assembly (7), an adsorption sleeve (8) and a propulsion mechanism; The air guide tube assembly (7) is connected to the handle housing (4), one end of the air guide tube assembly (7) is used to connect to a negative pressure source, the adsorption sleeve (8) is connected to the other end of the air guide tube assembly (7), and the adsorption sleeve (8) is used to suck hemorrhoidal tissue after being connected to negative pressure through the air guide tube assembly (7); A rubber ring is sleeved on the outer wall of the adsorption sleeve (8); The pushing mechanism is cooperatively connected with the outer wall of the adsorption sleeve (8) and is used to push the rubber ring on the outer wall of the adsorption sleeve (8) onto the hemorrhoid tissue sucked into the adsorption sleeve (8); The light source component (1) is connected in the adsorption sleeve (8); The output wire (6) passes through the air guide tube assembly (7), one end of the output wire (6) extends from the air guide tube assembly (7) into the adsorption sleeve (8) and is connected to the light source component (1), and the other end of the output wire (6) extends from the air guide tube assembly (7) into the handle housing (4) and is connected to the non-contact induction switch (3).

4. The hemorrhoid ligation device with lighting function according to claim 3, characterized in that: The air guide tube assembly (7) comprises a straight tube (9), an inclined tube (10) and a tube head (11); The tube head (11) is connected to the upper end of the oblique tube (10) and is located inside the handle housing (4); The lower end of the inclined tube (10) extends out of the handle housing (4) and is used to connect to a negative pressure source; The straight tube (9) extends in the front-to-back direction, the front end of the straight tube (9) is connected to the adsorption sleeve (8), the rear end of the straight tube (9) is connected to the tube head (11), and the adsorption sleeve (8), the straight tube (9), the tube head (11) and the inclined tube (10) are connected in sequence; The output wire (6) passes through the straight tube (9) and the tube head (11); the front end of the output wire (6) extends from the straight tube (9) into the adsorption sleeve (8) and is connected to the light source component (1); the rear end of the output wire (6) extends from the tube head (11) into the handle housing (4) and is connected to the non-contact induction switch (3).

5. The hemorrhoid ligation device with lighting function according to claim 4, characterized in that: The tube head (11) is provided with a threading hole, and the rear end of the output wire (6) passes through the threading hole from the tube head (11) and then extends into the handle housing (4), and a sealing member (12) is provided between the output wire (6) and the threading hole.

6. The hemorrhoid ligation device with lighting function according to claim 4, characterized in that: The straight tube (9) is provided with a wire clamping groove (13), and the output wire (6) is clamped and fixed in the wire clamping groove (13).

7. The hemorrhoid ligation device with lighting function according to claim 4, characterized in that: It also comprises a negative pressure switch (14), which is connected to the inclined tube (10) and is used to control the on and off of the negative pressure in the inclined tube (10).

8. The hemorrhoid ligation device with lighting function according to claim 4, characterized in that: The propulsion mechanism comprises a push tube (15), a sliding sleeve (16), a sliding head (17), a trigger (18) and a spring (19); The sliding head (17) is slidably connected to the straight tube (9) along the front-rear direction; The push tube (15) is sleeved on the outer side of the adsorption sleeve (8); The sliding sleeve (16) is arranged on the outside of the straight tube (9), the front end of the sliding sleeve (16) is connected to the push tube (15), and the rear end of the sliding sleeve (16) is connected to the sliding head (17); One end of the spring (19) is connected to the sliding head (17), and the other end of the spring (19) is connected to the handle housing (4), and the spring (19) is used to drive the sliding head (17) to move backward and reset; The sliding head (17) is provided with a driving boss portion (20); The trigger (18) is hinged on the handle housing (4), the lower end of the trigger (18) extends out of the handle housing (4), and the upper end of the trigger (18) abuts against the rear end of the driving boss portion (20).

9. The hemorrhoid ligation device with lighting function according to claim 1, characterized in that: The handle housing (4) comprises a left housing (21) and a right housing (22), wherein the left housing (21) is detachably connected to the right housing (22); The non-contact induction switch (3) is closely connected to the inner wall of the handle housing (4) via a first connection structure; The first connection structure comprises a left groove wall (23) provided on the inner wall of the left housing (21) and a right groove wall (24) provided on the inner wall of the right housing (22); The left groove wall (23) and the right groove wall (24) are arranged in alignment; a left slot for inserting the left end of the non-contact induction switch (3) is provided between the left groove wall (23) and the inner wall of the left housing (21); a right slot (26) for inserting the right end of the non-contact induction switch (3) is provided between the right groove wall (24) and the inner wall of the right housing (22); when the left housing (21) and the right housing (22) are connected, the non-contact induction switch (3) is inserted into the left slot and the right slot (26) to fix the non-contact induction switch (3).

10. The hemorrhoid ligation device with lighting function according to claim 1, characterized in that: The non-contact induction switch (3) is closely connected to the inner wall of the left side wall of the handle housing (4) via a second connecting structure; The second connection structure comprises a plurality of clips (27) arranged around the outside of the non-contact induction switch (3) and connected to the handle housing (4), wherein the clips (27) have hooks for hooking the non-contact induction switch (3).

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