Visual catheter device for pylorus dilation

Abstract

The utility model relates to the field of medical instruments, in particular to a visual catheter device for pylorus dilation, which aims to solve the technical problems of lack of visual and visual operation, low dilation treatment efficiency and incapability of synchronously realizing nutrition support in the prior art, and specifically comprises a catheter body, a visual component and a dilation component, a first cavity is coaxially arranged in the catheter body, the front end of the first cavity extends to the front end face of the catheter body to form a positioning binding opening, and the rear end of the first cavity extends to the rear end face of the catheter body to form a sealed opening. The visual assembly comprises a camera, a display screen and a transmission wire, the camera and the display screen are connected and communicated through the transmission wire, and the transmission wire is sleeved with a sealing joint; by means of the built-in visual assembly, esophagus and stomach wall damage possibly caused by a traditional blind insertion mode is effectively avoided, and treatment accuracy and safety are remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of medical devices, specifically to a visual catheter device for pyloric dilation. Background Technology

[0002] In the clinical medical field, indigestion and gastroparesis are common complications caused by various diseases or surgeries. These conditions affect a patient's ability to eat and their nutrient absorption efficiency, thus impacting their overall recovery process. Traditional treatments, such as gastric tube decompression, endoscopic stimulation, acupuncture, and massage, can alleviate symptoms to some extent, but their effectiveness often falls short when dealing with complex conditions such as pyloric stenosis or functional abnormalities.

[0003] In recent years, with the continuous advancement of medical technology, catheters with inflatable balloons have gradually become an important means of pyloric dilation treatment due to their direct and relatively simple dilation effect. However, the design of traditional catheters has obvious shortcomings, especially the lack of visualization devices, which makes it difficult for doctors to observe the procedure directly and can only rely on experience for blind insertion. This undoubtedly increases the risk of damage to the esophagus and stomach wall, and also reduces the accuracy and safety of the treatment.

[0004] In addition, the design of traditional catheters is limited to a single inflatable lumen, which cannot achieve simultaneous expansion therapy and nutritional support. As a result, some patients still need additional intubation to obtain necessary nutritional support after surgery, which not only increases the patient's pain and inconvenience, but also prolongs the overall recovery time. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a catheter device for pyloric dilation that integrates visual operation, efficient dilation and multifunctional nutritional support, in order to solve the technical problems of lack of intuitive visual operation, low dilation treatment efficiency and inability to achieve nutritional support at the same time in the existing technology.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A visualization catheter device for pyloric dilation, characterized by:

[0008] Includes the catheter body, visualization components, and expansion components;

[0009] The catheter body is provided with a first chamber coaxially, the front end of the first chamber extends to the front end face of the catheter body to form a positioning opening, and the rear end of the first chamber extends to the rear end face of the catheter body to form a sealing opening.

[0010] The visualization component includes a camera, a display screen, and a transmission cable. The camera and the display screen are connected and communicate via the transmission cable. A sealing connector is fitted onto the transmission cable. When the camera is located inside the positioning nozzle, the sealing connector fits into the sealing opening to seal it.

[0011] The catheter body has a second chamber parallel to one side of the first chamber. The front end of the second chamber has a gas-liquid outlet, and the rear end of the second chamber has a gas-liquid inlet.

[0012] The expansion assembly includes an inflatable balloon sleeved at the front end of the catheter body. Both ends of the inflatable balloon are sealed to the outer peripheral surface of the catheter body. The gas-liquid outlet connects the second chamber to the inner cavity of the inflatable balloon. An injection branch is provided on one side of the rear end of the catheter body. The outlet of the injection branch is connected to the gas-liquid inlet. The inlet of the injection branch is provided with an injection connector for connecting a syringe.

[0013] The technical problem to be solved by this utility model can be further achieved through the following steps: the front end of the transmission wire is provided with a guide section, the length of the guide section is greater than that of the conduit body, and a metal braided layer for enhancing toughness is sleeved on the guide section.

[0014] The technical problem to be solved by this utility model can be further achieved through the following steps: the inflatable balloon takes the shape of an ellipsoid or a cylinder after it is fully inflated.

[0015] The technical problem to be solved by this utility model can be further achieved through the following steps: the inflatable balloon is a semi-compliant or non-compliant high-pressure balloon.

[0016] The technical problem to be solved by this utility model can be further achieved through the following steps: the injection branch tube and the catheter body are fixedly connected as one unit, and the injection branch tube and the second chamber are both located on the same side of the catheter body.

[0017] The technical problem to be solved by this utility model can be further achieved through the following steps: the sealing joint is fixedly sleeved on the transmission wire, and the diameter of the camera is larger than the diameter of the positioning nozzle.

[0018] Compared with existing technologies, the beneficial effects of this invention are as follows: Through the built-in visualization components, including a camera and a display screen, doctors can observe the condition of the pyloric region in real time, perform precise positioning and dilation operations, effectively avoid the esophageal and gastric wall damage that may be caused by traditional blind insertion methods, and significantly improve the accuracy and safety of treatment; the first chamber in the catheter body can serve as a nutrition delivery channel, allowing the infusion of nutrient solution while dilating the patient, avoiding the inconvenience and pain of requiring additional intubation to obtain nutrition after surgery, and accelerating the patient's recovery process. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is an exploded view of the present invention;

[0021] Figure 3 This is a schematic diagram illustrating the use of this utility model;

[0022] In the diagram: 1-Catheter body; 2-Visualization component; 3-Dilution component;

[0023] 11-First chamber; 12-Positioning nozzle; 13-Sealed opening; 14-Second chamber; 15-Gas-liquid outlet; 16-Gas-liquid inlet;

[0024] 21-Camera; 22-Display screen; 23-Transmission cable; 24-Sealed connector; 25-Metal braided layer;

[0025] 31-Inflatable balloon; 32-Injection cannula; 33-Injection connector. Detailed Implementation

[0026] The specific technical solutions of this utility model are further described below to enable those skilled in the art to further understand this utility model, without constituting a limitation on its rights.

[0027] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0028] Please refer to Figure 1-3 A visualization catheter device for pyloric dilation includes a catheter body 1, a visualization component 2, and a dilation component 3. A first chamber 11 is coaxially disposed within the catheter body 1. The front end of the first chamber 11 extends to the front end face of the catheter body 1 to form a positioning opening 12, and the rear end of the first chamber 11 extends to the rear end face of the catheter body 1 to form a sealing opening 13. The first chamber 11 is used to accommodate the visualization component 2 and can also serve as a delivery channel for liquid food when the visualization component 2 is removed.

[0029] The visualization component 2 includes a camera 21, a display screen 22, and a transmission cable 23. The camera 21 and the display screen 22 are connected and communicate via the transmission cable 23. A sealing connector 24 is fitted onto the transmission cable 23. When the camera 21 is located inside the positioning opening 12, the sealing connector 24 fits perfectly with the sealing opening 13 to seal. Figure 1 ).

[0030] The catheter body 1 has a second chamber 14 arranged parallel to one side of the first chamber 11. The front end of the second chamber 14 is provided with a gas-liquid outlet 15, and the rear end of the second chamber 14 is provided with a gas-liquid inlet 16.

[0031] The expansion assembly 3 includes an inflatable balloon 31 sleeved on the front end of the catheter body 1. The two ends of the inflatable balloon 31 are sealed to the outer peripheral surface of the catheter body 1. The gas-liquid outlet 15 connects the second chamber 14 and the inner cavity of the inflatable balloon 31. An injection branch tube 32 is provided on one side of the rear end of the catheter body 1. The outlet of the injection branch tube 32 is connected to the gas-liquid inlet 16. The inlet of the injection branch tube 32 is provided with an injection connector 33 for connecting a syringe.

[0032] Because the materials of the transmission wire 23 and the catheter body 1 are too soft and lack rigidity, insertion is inconvenient. Therefore, a guide section is provided at the front end of the transmission wire 23, the length of which is greater than that of the catheter body 1. A metal braided layer 25 is fitted onto the guide section to enhance its toughness. This not only increases the toughness of the wire but also improves the flexibility of the camera 21 within the catheter, facilitating multi-angle and comprehensive observation and operation by doctors in complex environments.

[0033] The inflatable balloon 31, when fully inflated, takes the shape of an ellipsoid or cylinder. In this way, the inflatable balloon 31 can effectively adhere to and dilate the pyloric stenosis region, ensuring uniform and effective dilation.

[0034] The inflatable balloon 31 is a semi-compliant or non-compliant high-pressure balloon. In this way, the inflatable balloon 31 can maintain its shape stability when subjected to pressure and is not easily deformed, thereby providing a more stable and reliable expansion force and reducing operational risks.

[0035] The injection branch tube 32 is fixedly connected to the catheter body 1 as a single unit, and both the injection branch tube 32 and the second chamber 14 are located on the same side of the catheter body 1. This reduces the resistance encountered during gas or liquid injection, thereby accelerating the expansion process.

[0036] To improve positioning effectiveness, the sealing joint 24 is fixedly sleeved on the transmission wire 23, and the diameter of the camera 21 is 1-3 mm larger than the diameter of the positioning nozzle 12. Thus, when the visualization component 2 is installed in the first chamber 11, the camera 21 is designed so that its outer diameter is slightly larger than the inner diameter of the positioning nozzle 12, achieving an interference fit. This ensures that the camera 21 is stable at the front end and does not fall off, while also facilitating installation and disassembly. Simultaneously, the sealing joint 24 at the rear tightly fits the sealing opening 13, achieving a double sealing and positioning effect at the rear end, further enhancing stability.

[0037] Furthermore, if a metal braided layer 25 is added to the transmission wire 23 to enhance its toughness, even if the diameter of the camera 21 is adjusted to be equal to or slightly smaller than the diameter of the positioning nozzle 12, the camera 21 can still be stably kept within the positioning nozzle 12 due to the additional support provided by the metal braided layer 25 and the guiding effect of the guide section, ensuring the smooth operation of the visualization.

[0038] Working principle: This utility model discloses a visual catheter device for pyloric dilation, and the usage steps are as follows:

[0039] The doctor first inserts the catheter body 1 through the patient's mouth or nose, then guides it through the esophagus into the stomach, until the camera 21 passes through the pylorus and the inflatable balloon 31 reaches the pyloric stenosis area.

[0040] Upon reaching the designated location, the doctor removes the visualization component 2 and injects an appropriate amount of gas or liquid into the inflatable balloon 31 using a syringe, causing it to expand rapidly and evenly, thereby effectively dilating the pylorus and restoring its normal passage function. If the patient requires nutritional support, the doctor can utilize the first chamber 11 within the catheter body 1 (which serves as a nutrient delivery channel) to continuously inject liquid food, nutrient solutions, etc., into the patient through the sealed opening 13 to meet their nutritional needs and promote the recovery process.

[0041] After the dilation procedure is completed, the gas or liquid medium inside the inflatable balloon 31 is emptied, restoring it to its initial shape. At this point, food and secretions from the stomach can be smoothly discharged through the dilated pylorus, effectively decompressing the stomach and promoting normal gastric motility, further improving the patient's digestive function. Finally, the doctor safely removes the catheter body 1 from the body and disposes of it properly according to medical waste disposal regulations.

[0042] This invention, through its built-in visualization component 2, including a camera 21 and a display screen 22, allows doctors to observe the condition of the pyloric region in real time, enabling precise positioning and dilation operations. This effectively avoids potential damage to the esophagus and stomach wall caused by traditional blind insertion methods, significantly improving the accuracy and safety of treatment. The first chamber 11 within the catheter body 1 can serve as a nutrient delivery channel, allowing for the infusion of nutrient solution during dilation treatment. This avoids the inconvenience and pain of requiring additional intubation for nutrition after surgery, accelerating the patient's recovery process.

[0043] Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

Claims

1. A visualization catheter device for pyloric dilation, characterized in that: Includes the catheter body, visualization components, and expansion components; The catheter body is provided with a first chamber coaxially, the front end of the first chamber extends to the front end face of the catheter body to form a positioning opening, and the rear end of the first chamber extends to the rear end face of the catheter body to form a sealing opening. The visualization component includes a camera, a display screen, and a transmission cable. The camera and the display screen are connected and communicate via the transmission cable. A sealing connector is fitted onto the transmission cable. When the camera is located inside the positioning nozzle, the sealing connector fits into the sealing opening to seal it. The catheter body has a second chamber parallel to one side of the first chamber. The front end of the second chamber has a gas-liquid outlet, and the rear end of the second chamber has a gas-liquid inlet. The expansion assembly includes an inflatable balloon sleeved at the front end of the catheter body. Both ends of the inflatable balloon are sealed to the outer peripheral surface of the catheter body. The gas-liquid outlet connects the second chamber to the inner cavity of the inflatable balloon. An injection branch is provided on one side of the rear end of the catheter body. The outlet of the injection branch is connected to the gas-liquid inlet. The inlet of the injection branch is provided with an injection connector for connecting a syringe.

2. The visualization catheter device for pyloric dilation according to claim 1, characterized in that: The front end of the transmission wire is provided with a guide section, the length of which is greater than that of the conduit body, and a metal braided layer for enhancing toughness is sleeved on the guide section.

3. The visualization catheter device for pyloric dilation according to claim 1, characterized in that: The inflatable balloon takes the shape of an ellipsoid or a cylinder when fully inflated.

4. The visualization catheter device for pyloric dilation according to claim 1, characterized in that: The inflatable balloon is a semi-compliant or non-compliant high-pressure balloon.

5. The visualization catheter device for pyloric dilation according to claim 1, characterized in that: The injection branch tube is fixedly connected to the catheter body as one unit, and the injection branch tube and the second chamber are both located on the same side of the catheter body.

6. The visualization catheter device for pyloric dilation according to claim 1 or 2, characterized in that: The sealing joint is fixedly sleeved on the transmission wire, and the diameter of the camera is larger than the diameter of the positioning nozzle.

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