A new type of laparoscopic disposable object bag and its using method

The new laparoscopic retrieval bag, with its built-in drainage mechanism and anti-detachment fixation mechanism, solves the problems of external tubes affecting operation and infection risk in laparoscopic surgery, and achieves convenient irrigation fluid aspiration and stable bag extraction.

CN115944330BActive Publication Date: 2026-04-10JIANGSU BANA MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGSU BANA MEDICAL TECH CO LTD
Filing Date
2022-10-25
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing laparoscopic surgeries, the retrieval bag requires an additional suction tube during the rinsing process, which affects the surgical procedure and increases the risk of infection. Furthermore, the retrieval bag is prone to slipping when being pulled out, making it inconvenient to use.

Method used

A novel disposable laparoscopic retrieval bag has been designed, featuring a built-in drainage mechanism and an anti-detachment fixation mechanism. It is directly connected to the anti-backflow component via a negative pressure suction device, eliminating the need for external tubing. Furthermore, an anti-detachment ring secures the slider to prevent slippage, making it more convenient to use.

Benefits of technology

This allows for irrigation fluid aspiration during surgery without the need for external tubes, reducing the risk of infection. Furthermore, the retrieval bag is less likely to slip when pulled out, improving the convenience and safety of the procedure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of taking bags, and discloses a novel laparoscopic disposable taking bag and a using method thereof, which comprises an assembling rod, a sleeve fixedly installed at one end of the assembling rod, a handle fixedly connected to the outer wall of one end of the sleeve, a push rod arranged in the sleeve, an opening ring arranged at one end of the assembling rod, and a bag body fixedly installed on the outer wall of the opening ring; a drainage mechanism for drainage during surgery is arranged in the assembling rod and the push rod; the assembling rod is internally provided with an anti-separation fixing mechanism for fixing the bag body; the drainage mechanism is arranged; during use, the suction tube of a medical negative pressure aspirator is connected to one end of the anti-backflow assembly; during use, the negative pressure aspirator is used to suck and flush the liquid into the bag body; the liquid is sucked out of the anti-backflow assembly through the connected rubber tube, the first flow guide cavity and the second flow guide cavity; the suction pipeline is not additionally arranged outside; the taking bag is held; the use of the taking bag is not affected; and the surgical operation is not affected.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of taking bags, more particularly to a new laparoscopic disposable taking bag and a using method thereof. BACKGROUND

[0002] Laparoscopic surgery is a new developed minimally invasive method, which is an inevitable trend of future surgical method development. With the rapid development of industrial manufacturing technology, the integration of related disciplines lays a solid foundation for developing new technologies and methods, and combined with the increasingly skilled operation of doctors, many open surgeries in the past have now been replaced by endoscopic surgery, greatly increasing the opportunity for surgical selection. The existing taking bag has the following problems when in use:

[0003] During the laparoscopic surgery, the wound usually needs to be flushed to facilitate clear observation of the location of the excision wound during the surgery. However, a large amount of flushing liquid needs to be discharged outside the body during the flushing process. A medical negative pressure device is usually used for suction, and another pipeline needs to be connected and inserted into the patient's body for flushing liquid suction. The additional pipeline not only affects the operation of the surgery, but also is inconvenient to use and requires someone to hold the pipeline. When the flushing liquid is being sucked, it is necessary to prevent the flushing liquid from flowing back, which will increase the risk of infection of the patient. After the surgery is completed, the push rod needs to be held to ensure that the bag body does not fall off when the taking bag is pulled out, which is inconvenient to use. Therefore, it is necessary to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a new laparoscopic disposable taking bag, which does not need to add an additional suction pipeline outside, and can be held by the taking bag, without affecting the use of the taking bag and the operation of the surgery, and is more convenient to use. By providing a anti-falling ring, the fixed sliding block is fixed to prevent the bag body from falling off when the taking bag is pulled out after the surgery is completed, and the use is more convenient.

[0005] The technical scheme adopted by the present application is as follows: a new laparoscopic disposable taking bag, comprising a assembly rod, a sleeve fixedly installed at one end of the assembly rod, a handle fixedly connected to the outer wall of one end of the sleeve, a push rod arranged inside the sleeve, a strutting ring arranged at one end of the assembly rod, and a bag body fixedly installed on the outer wall of the strutting ring.

[0006] The assembly rod and the push rod are both provided with a drainage mechanism for drainage during surgery, and the assembly rod is provided with an anti-falling fixing mechanism for fixing the bag body.

[0007] The drainage mechanism comprises a fixed sliding block, a first flow guide cavity, a second flow guide cavity, a hollow pull ring, a connecting skin tube and an anti-backflow component, the fixed sliding block is slidingly connected inside the assembly rod, the first flow guide cavity is arranged inside the fixed sliding block, the second flow guide cavity is arranged inside the push rod, the hollow pull ring is fixedly connected to one end of the push rod, one end of the connecting skin tube is fixedly connected to one end of the fixed sliding block, and the anti-backflow component is fixedly installed at one end of the hollow pull ring.

[0008] Optionally, the push rod is provided with an internal thread at one end, and the fixed sliding block is provided with an external thread at one end, the external thread being matched with the internal thread at one end of the push rod.

[0009] Optionally, one end of the first flow guide cavity is in communication with the inside of the connecting skin tube, the other end of the first flow guide cavity is in communication with the inside of the second flow guide cavity, one end of the second flow guide cavity is in communication with the inside of the hollow pull ring, and one end of the anti-backflow component is in communication with the inside of the hollow pull ring.

[0010] Optionally, the assembly rod is provided with a sliding groove inside, and the sidewall of the fixed sliding block is slidingly connected inside the sliding groove, and one end of the spreading ring is fixedly installed at one end of the fixed sliding block.

[0011] Optionally, one end of the sleeve is fixedly connected with a handle, and the assembly rod and the sleeve are threadedly connected.

[0012] Optionally, the anti-backflow component comprises a connecting head, a first inner support, a fixed nail, a film, a spring, a connecting cover and a second inner support, the connecting head is fixedly connected at one end of the hollow pull ring, the first inner support is fixedly connected inside the connecting head, the fixed nail is fixedly installed at the center of the first inner support, the film is fixedly installed at the fixed nail, the connecting cover is fixedly installed at one end of the connecting head, the second inner support is fixedly connected inside the connecting cover, and the spring is fixedly installed at one end of the fixed nail and one end of the second inner support.

[0013] Optionally, a anti-falling ring is fixedly installed at the connection between the assembly rod and the push rod, one end inside the anti-falling ring is fixedly connected with a clamping block and a supporting block respectively, the supporting block is fixedly installed at the outer wall of the push rod, clamping grooves are arranged at both sides of the fixed sliding block, and the clamping grooves are matched with the clamping block.

[0014] Optionally, one end of the connecting skin tube is fixedly installed at the bottom of the bag body, a suction head is fixedly installed at one end of the connecting skin tube, and a supporting mesh strip is fixedly connected to the top of the suction head.

[0015] A use method of a novel laparoscopic disposable taking bag, specifically comprising the following steps:

[0016] S1: First, the bag is taken out of the bag, the sleeve and the anti-off ring are installed on the end of the assembly rod, and the sleeve and the assembly rod are connected, then the push rod is inserted into the sleeve, and the push rod is connected to the end of the fixed slide through thread engagement;

[0017] S2: Then connect the connecting pipe of the medical negative pressure device to one end of the anti-backflow assembly cover, and then insert the assembly rod of the bag with the sleeve into the affected area for taking;

[0018] S3: Then use the push rod to push the fixed slide until the opening ring is fully opened, and the bag is opened, then during use, the medical negative pressure device is used to suck the flushing liquid flowing into the bag through the connecting hose, and the film is used to prevent the flushing liquid from flowing back, and the flushing liquid is extracted from the bag;

[0019] S4: After the peeling operation of the affected area is completed, first disconnect the connecting pipe of the negative pressure device, then pull the push rod with the hollow ring, so that the push rod drives the fixed slide to retract, then the opening ring retracts, and the bag opening is pulled into the end of the assembly rod, at this time the end of the anti-off ring is clamped into the clamping groove on the outer wall of the fixed slide through the end of the fixed slide, to prevent the fixed slide from sliding, then pull out the bag.

[0020] The technical effects obtained by the application are:

[0021] (1) The drainage mechanism is provided, the suction pipe of the medical negative pressure aspirator is connected to one end of the anti-backflow assembly, and when the bag is used to extend into the patient's body, the negative pressure aspirator is used to suck, the flushing liquid falls into the bag, and the flushing liquid is sucked out by the anti-backflow assembly through the connecting hose, the first flow guide cavity and the second flow guide cavity, without adding an external suction pipe, the bag can be held, the use of the bag is not affected, and the operation is not affected, and the use is more convenient.

[0022] (2) The suction head and the support mesh are arranged on one end of the connecting hose, the support mesh is connected to the opening of the suction head, and the cut tissue is supported by the support mesh during use to prevent the tissue from blocking the suction connecting hose and the cut tissue from blocking the pipeline during suction;

[0023] (3) The anti-backflow assembly is provided, during use, the flushing liquid can flush the edge of the film on the outer wall of the fixed nail during negative pressure suction, so that the flushing liquid is sucked out, and when no negative pressure is applied, the film restores, the edge of the film is attached to one side of the connecting head to prevent the flushing liquid from flowing back, thereby reducing the risk of infection caused by the flushing liquid flowing back;

[0024] (4) By setting the anti-off ring, after the operation is completed, the fixed sliding block is pulled back by pulling the push rod, and then the spread ring is contracted, the bag opening of the bag body is tightened, and the fixed sliding block is pulled to the inside of one end of the anti-off ring, so that the clamping block is clamped into the clamping groove, the fixed sliding block is fixed, and the bag body is prevented from falling when the object bag is pulled out after the operation is completed, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor

[0026] Figure 1 It is a schematic diagram of a new type of laparoscopic disposable object bag structure of the present application;

[0027] Figure 2 It is a side sectional view of a new type of laparoscopic disposable object bag of the present application;

[0028] Figure 3 It is an exploded view of a part of the anti-backflow assembly of a new type of laparoscopic disposable object bag of the present application;

[0029] Figure 4 It is a schematic diagram of the assembly rod structure of a new type of laparoscopic disposable object bag of the present application;

[0030] Figure 5 It is a schematic diagram of the fixed sliding block structure of a new type of laparoscopic disposable object bag of the present application;

[0031] Figure 6 It is a schematic diagram of the connecting cover structure of a new type of laparoscopic disposable object bag of the present application;

[0032] Figure 7 It is a schematic diagram of the anti-off ring structure of a new type of laparoscopic disposable object bag of the present application.

[0033] In the drawings, the component list represented by each reference numeral is as follows:

[0034] 1, assembly rod; 101, sliding groove; 2, sleeve; 201, handle; 3, fixed sliding block; 301, first flow guide cavity; 302, external thread; 303, clamping groove; 4, push rod; 401, second flow guide cavity; 402, hollow pull ring; 5, spread ring; 6, bag body; 7, connecting hose; 8, suction head; 801, support mesh; 9, anti-backflow assembly; 901, connecting head; 902, first inner support; 903, fixing nail; 904, film; 905, spring; 906, connecting cover; 907, second inner support; 10, anti-off ring; 1001, clamping block; 1002, support block. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figures 1-7 This invention provides a novel disposable laparoscopic retrieval bag, comprising an assembly rod 1, a sleeve 2 fixedly installed at one end of the assembly rod 1, a push rod 4 disposed inside the sleeve 2, a spreading ring 5 disposed at one end of the assembly rod 1, a bag body 6 fixedly installed on the outer wall of the spreading ring 5, a sliding groove 101 formed inside the assembly rod 1, a fixed slider 3 slidably connected to the inner side of the sliding groove 101, one end of the spreading ring 5 fixedly installed at one end of the fixed slider 3, and a handle 201 fixedly connected to the outer wall of one end of the sleeve 2. The assembly rod 1 and the sleeve 2 are connected by threads. In use, the bag body 6, the spreading ring 5, and the fixed slider 4 are... The fixed sliders 3 of the expansion ring 5 are all retracted inside the assembly rod 1. Then, in use, the sleeve 2 is installed on the assembly rod 1, and then the push rod 4 is inserted into the sleeve 2. The push rod 4 and one end of the fixed slider 3 are connected by thread engagement. In use, by pushing the push rod 4, the push rod 4 pushes the fixed slider 3 outward, and the expansion ring 5 is released from the restraint of the assembly rod 1 to open the bag body 6, which can then be used. In retraction, the fixed slider 3 can be pulled back by pulling the push rod 4, and then the expansion ring 5 will cause the opening of the bag body 6 to close, and the bag body 6 can be pulled out of the patient's body to complete the operation.

[0037] Both the assembly rod 1 and the push rod 4 are equipped with drainage mechanisms for drainage during surgery. The assembly rod 1 is equipped with an anti-detachment fixing mechanism for fixing the bag body 6. The drainage mechanism is used to aspirate the irrigation fluid during surgery without the need for external tubes. The anti-detachment fixing mechanism is used to fix the slider after surgery, making it easy to pull the retrieval bag out of the patient's body.

[0038] The drainage mechanism comprises a fixed sliding block 3, a first flow guide cavity 301, a second flow guide cavity 401, a hollow pull ring 402, a connecting skin tube 7 and an anti-backflow assembly 9. The fixed sliding block 3 is slidingly connected to the inner side of the assembling rod 1. The first flow guide cavity 301 is arranged in the fixed sliding block 3. The second flow guide cavity 401 is arranged in the push rod 4. The hollow pull ring 402 is fixedly connected to one end of the push rod 4. One end of the connecting skin tube 7 is fixedly connected to one end of the fixed sliding block 3. The anti-backflow assembly 9 is fixedly installed at one end of the hollow pull ring 402. One end of the push rod 4 is provided with an internal thread. One end of the fixed sliding block 3 is provided with an external thread 302. The external thread 302 is matched with the internal thread of one end of the push rod 4. One end of the first flow guide cavity 301 is communicated with the inside of the connecting skin tube 7. The other end of the first flow guide cavity 301 is communicated with the inside of the second flow guide cavity 401. One end of the second flow guide cavity 401 is communicated with the inside of the hollow pull ring 402. One end of the anti-backflow assembly 9 is communicated with the inside of the hollow pull ring 402. The first flow guide cavity 301 and the second flow guide cavity 401 are arranged in the fixed sliding block 3 and the push rod 4 respectively. When in use, one end of the suction tube of the medical negative pressure aspirator is connected to the anti-backflow assembly 9. When the object bag is used to extend into the patient's body, the object bag is sucked by the negative pressure aspirator. The flushing liquid falls into the bag body 6. The flushing liquid is sucked out by the anti-backflow assembly 9 through the connecting skin tube 7, the first flow guide cavity 301 and the second flow guide cavity 401. The negative pressure suction pipeline does not need to be additionally arranged outside. The object bag can be held. The use of the object bag and the operation of the surgery are not affected. The use is more convenient.

[0039] In some embodiments, see Figure 3 , Figure 6The anti-backflow assembly 9 comprises a connecting head 901, a first inner support 902, a fixing nail 903, a film 904, a spring 905, a connecting cover 906 and a second inner support 907. The connecting head 901 is fixedly connected to one end of the hollow pull ring 402. The first inner support 902 is fixedly connected to the inner side of the connecting head 901. The fixing nail 903 is fixedly installed at the shaft center of the first inner support 902. The film 904 is fixedly installed on the fixing nail 903. The connecting cover 906 is fixedly installed at one end of the connecting head 901. The second inner support 907 is fixedly connected to the inner side of the connecting cover 906. The spring 905 is fixedly installed at one end of the fixing nail 903 and one end of the second inner support 907. During the negative pressure suction process of the flushing liquid, the flushing liquid can flush the edge of the film 904 on the outer wall of the fixing nail 903, so that the flushing liquid is sucked out. When no negative pressure is applied, the film 904 can recover, and the edge of the film 904 can be attached to one side of the connecting head 901 to prevent the backflow of the flushing liquid, thereby reducing the risk of infection caused by the backflow of the flushing liquid. The connecting cover 906 is used for conveniently taking down the connecting cover 906 for connecting the suction pipeline of the negative pressure suction device. The first inner support 902 is used for fixing the fixing nail 903. The spring 905 is used for limiting the fixing nail 903, so that the fixing nail 903 and the film 904 are always attached to the inner wall bottom of the connecting head 901. The second inner support 907 is used for fixing the spring 905.

[0040] In some embodiments, referring to Figure 2 , Figure 5 , Figure 7 The anti-dropping ring 10 is fixedly installed at the connection position of the assembly rod 1 and the push rod 4. The inner side of one end of the anti-dropping ring 10 is fixedly connected with a clamping block 1001 and a supporting block 1002, respectively. The supporting block 1002 is fixedly installed on the outer wall of the push rod 4. The both sides of the fixed sliding block 3 are provided with clamping grooves 303, which are matched with the clamping block 1001. The fixed sliding block 3 is pulled back by pulling back the push rod 4, and is pulled to the inner side of one end of the anti-dropping ring 10, so that the clamping block 1001 is clamped into the clamping groove 303, and the fixed sliding block 3 is fixed, thereby preventing the bag body 6 from sliding off when the object bag is pulled out after the operation is completed.

[0041] In some embodiments, referring to Figure 1 One end of the connecting rubber tube 7 is fixedly installed at the bottom of the bag body 6. The other end of the connecting rubber tube 7 is fixedly installed with a suction head 8. The top of the suction head 8 is fixedly connected with a supporting mesh 801. The supporting mesh 801 is connected at the beginning of the suction head 8. In use, the cut tissue is supported by the supporting mesh 801, so as to prevent the tissue from blocking the suction connecting rubber tube 7, and prevent the cut tissue from blocking the pipeline during suction.

[0042] The workflow and principle of the present application: firstly, the taking bag is taken out from the taking bag storage bag, the sleeve 2 and the anti-off ring 10 are installed on the end of the assembling rod 1 respectively, and the sleeve 2 and the assembling rod 1 are connected, then the push rod 4 is inserted into the sleeve 2, and through the thread engagement, the push rod 4 is rotated to connect one end of the push rod 4 with one end of the fixed sliding block 3, then the connecting pipe of the medical negative pressure device is connected with one end of the connecting cover 906 of the anti-backflow assembly 9, then the assembling rod 1 of the taking bag with the sleeve 2 is inserted into the inside of the affected part to take out the object, then the fixed sliding block 3 is pushed by the push rod 4 until the opening ring 5 is fully opened, and the bag body 6 is opened, then in the process of use, the flushing liquid flowing into the bag body 6 is sucked through the connecting rubber tube 7 when the medical negative pressure device is used, and the film 904 is used to prevent the backflow of the flushing liquid, the flushing liquid in the bag body 6 is sucked out, then after the peeling operation of the affected part is completed, the connecting pipe of the negative pressure device is disconnected, then the push rod 4 is pulled by the hollow pull ring 402, so that the push rod 4 drives the fixed sliding block 3 to retract, then the opening ring 5 retracts, and the bag opening of the bag body 6 is pulled into the inside of one end of the assembling rod 1, at this time, one end of the anti-off ring 10 is clamped into the clamping groove 303 on the outer wall of the fixed sliding block 3 through one end of the fixed sliding block 3, to prevent the sliding of the fixed sliding block 3, then the taking bag is pulled out.

[0043] The preferred embodiments disclosed above are only used to help explain the present application. The preferred embodiments do not describe all the details, and do not limit the present application to the specific embodiments described. Obviously, according to the content of the present application, many modifications and changes can be made. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and use the present application. The present application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A new type of laparoscopic disposable taking bag, comprising an assembly rod (1), a sleeve (2), a push rod (4), a distraction ring (5), a bag body (6), characterized in that: the inside of the assembly rod (1) is slidably connected with a fixed sliding block (3), the inside of the fixed sliding block (3) is provided with a first flow guide cavity (301), the inside of the push rod (4) is provided with a second flow guide cavity (401), and the first flow guide cavity (301) is in communication with the second flow guide cavity (401); one end of the fixed sliding block (3) is connected to the bottom of the bag body (6) through a connecting rubber tube (7), one end of the push rod (4) is connected with a hollow pull ring (402), and one end of the hollow pull ring (402) is connected with an anti-backflow assembly (9); the connection part of the assembly rod (1) and the push rod (4) is provided with an anti-falling ring (10), the inner side of the anti-falling ring (10) is provided with a clamping block (1001), and the two sides of the fixed sliding block (3) are provided with clamping grooves (303) matched with the clamping block (1001); when the push rod (4) is pulled back, the fixed sliding block (3) slides into the inner side of the anti-falling ring (10), and the clamping block (1001) is clamped into the clamping groove (303) to lock the fixed sliding block (3). One end of the push rod (4) is provided with an internal thread, one end of the fixed sliding block (3) is provided with an external thread (302), and the external thread (302) is matched with the internal thread at one end of the push rod (4). One end of the first flow guide cavity (301) is in communication with the inside of the connecting rubber tube (7), the other end of the first flow guide cavity (301) is in communication with the inside of the second flow guide cavity (401), one end of the second flow guide cavity (401) is in communication with the inside of the hollow pull ring (402), and one end of the anti-backflow assembly (9) is in communication with the inside of the hollow pull ring (402). The inside of the assembly rod (1) is provided with a sliding groove (101), the side wall of the fixed sliding block (3) is slidably connected to the inside of the sliding groove (101), and one end of the distraction ring (5) is fixedly installed at one end of the fixed sliding block (3). One end of the sleeve (2) is fixedly connected with a handle (201), and the assembly rod (1) and the sleeve (2) are threadedly connected.

2. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: The anti-backflow assembly (9) comprises a connecting head (901), a first inner support (902), a fixed nail (903), a film (904), a spring (905), a connecting cover (906) and a second inner support (907), the connecting head (901) is fixedly connected at one end of the hollow pull ring (402), the first inner support (902) is fixedly connected to the inside of the connecting head (901), the fixed nail (903) is fixedly installed at the shaft center of the first inner support (902), the film (904) is fixedly installed on the fixed nail (903), the connecting cover (906) is fixedly installed at one end of the connecting head (901), the second inner support (907) is fixedly connected to the inside of the connecting cover (906), and the spring (905) is fixedly installed at one end of the fixed nail (903) and one end of the second inner support (907).

3. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: ​ 4. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: ​ 5. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: ​ 6. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: ​ 7. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: The assembling rod (1) and the push rod (4) are fixedly connected with a anti-off ring (10), one end of the anti-off ring (10) is fixedly connected with a clamping block (1001) and a supporting block (1002) respectively, the supporting block (1002) is fixedly installed on the outer wall of the push rod (4), the clamping block (1001) is matched with a clamping groove (303) formed on the both sides of the fixed sliding block (3).

8. A new type of laparoscopic disposable object taking bag according to claim 1, characterized in that: One end of the connecting leather pipe (7) is fixedly installed at the bottom of the bag body (6), one end of the connecting leather pipe (7) is fixedly installed with a suction head (8), and the top of the suction head (8) is fixedly connected with a supporting mesh strip (801).

Citation Information

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