Enema device for ulcerative colitis treatment

Abstract

The invention discloses an enema device for ulcerative colitis treatment, relates to the technical field of intestinal administration devices, and aims to solve the problems of inconvenience in use and poor fixing effect during use caused by repeated insertion and extraction of a catheter for dressing change in the prior art. The telescopic catheter assembly is communicated with the multi-cavity dosing assembly through a main infusion tube, and a temperature regulation and control assembly is further arranged on the main infusion tube; different kinds of medicaments required during enema treatment are provided through the multi-chamber administration assembly, so that the device does not need to repeatedly insert and pull a catheter, the medicaments are sprayed to an affected part of ulcerative colitis through the length adjustment effect of the telescopic catheter assembly, and the ulcerative colitis can be effectively treated through the matching effect of expansion of a hydraulic cavity and anti-skid lines during length adjustment. The fixing effect during adjustment is enhanced, and the medicine is heated to the temperature suitable for being conveyed into the body through the temperature adjusting and controlling assembly; the medicine has the advantages of good treatment effect, convenience in use and high safety.

Description

Technical Field

[0001] This invention relates to the field of intestinal drug delivery devices, and more specifically to an enema device for the treatment of ulcerative colitis. Background Technology

[0002] Ulcerative colitis is a chronic inflammatory bowel disease that primarily affects the rectum and large intestine. Typical symptoms include recurrent diarrhea, abdominal pain, and stools often containing blood, mucus, or pus. Common treatments include general therapy (such as adequate rest and a nutritious diet), medication (such as aminosalicylic acid preparations, corticosteroids, and immunosuppressants), and surgery. For mild to moderate cases, medication usually yields good results. In medication treatment, enemas are frequently used. Enemas involve preparing the medication solution externally before administering it. Enemas are performed by injecting medication into a container. When a patient needs multiple medications, conventional treatments require disassembling the device for cleaning and re-injecting new medications after the enema is completed. This necessitates repeated insertion and removal of the catheter, which can cause pain for the patient. Furthermore, the medication temperature can drop due to prolonged residence or delivery within the enema device or delivery tube. This can lead to adverse reactions such as cold sweats, severe abdominal pain, rapid pulse, palpitations, and shortness of breath after the medication enters the patient's body, affecting treatment efficiency and potentially causing serious consequences.

[0003] Existing ulcerative colitis treatment devices, such as the visual enema device for treating ulcerative colitis patients disclosed in CN114082024A, include a medicine tank, a control unit mounted on the top of the medicine tank, a control panel mounted on the control unit, and several shock-absorbing devices mounted on the bottom of the medicine tank. The control unit includes a power module, a protective shell, and a feeding tube. A first motor is installed inside the protective shell, and the output shaft of the first motor is fixedly connected to a first rotating shaft via a coupling. The first rotating shaft passes through the medicine tank and extends downward into a grinding chamber. This application prepares a medicine by grinding and stirring the medicine powder and then performing enema treatment through heat treatment. However, during use, the entire drug delivery tube cannot be fixed relative to the patient's intestinal position, resulting in the drug solution not being able to be infused into the ulcer site due to tube movement during treatment, thus leading to poor treatment effect. Summary of the Invention

[0004] To address the aforementioned problems, this invention aims to provide an enema device for the treatment of ulcerative colitis. By designing a telescopic catheter assembly and an adjustable spraying catheter structure, the tail end of the catheter expands hydraulically to provide fixation within the patient's body, and its length can be adjusted by telescoping to spray medication onto different ulcer sites. Furthermore, by designing a multi-chamber drug delivery assembly, different medications are placed in multiple medication bottles, allowing for step-by-step medication spraying according to treatment needs. This device offers advantages such as good therapeutic effect, ease of use, and high safety.

[0005] The main idea of ​​the technical solution adopted in this invention is as follows: a telescopic catheter assembly is designed, which is a three-section telescopic catheter structure. A spray nozzle and a camera are set at the first end of the catheter structure. The length is adjusted by sliding and telescopically extending the middle and tail ends. An expandable anti-detachment corrugated structure is set on the outside of the tail end to fix the telescopic catheter assembly into the patient's body and adjust its length. A multi-chamber drug delivery assembly is designed, which sets different drugs in multiple drug bottles. A solenoid valve is used to open a drug bottle required for treatment and deliver the drug to the telescopic catheter assembly for drug spraying.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An enema device for treating ulcerative colitis includes a telescopic catheter assembly for performing enema treatment for ulcerative colitis. The telescopic catheter assembly is connected to a multi-chamber drug delivery assembly via a main infusion tube, and a temperature control assembly is also provided on the main infusion tube.

[0007] The telescopic conduit assembly includes a spray pipe at the front end, with a spray nozzle and a camera at the first end of the spray pipe, and the tail end of the spray pipe is fixedly connected to a connecting pipe. The end of the connecting pipe away from the spray pipe is slidably disposed inside a fixed pipe at the end, and the end of the fixed pipe away from the connecting pipe is connected to the main infusion pipe.

[0008] The fixed pipe has a sliding hydraulic chamber and an expansion hydraulic chamber inside its wall. The overall length of the sliding hydraulic chamber is greater than that of the expansion hydraulic chamber. The sliding hydraulic chamber and the expansion hydraulic chamber are connected by multiple infusion holes located near one end of the connecting pipe. The end of the connecting pipe away from the spray pipe is slidably positioned in the sliding hydraulic chamber by a piston ring. The expansion hydraulic chamber has anti-slip textures on its exterior.

[0009] The sliding hydraulic chamber and the expansion hydraulic chamber are both connected to hydraulic pipes at the ends away from the connecting pipes, and each hydraulic pipe is connected to a hydraulic pump.

[0010] The multi-chamber drug delivery assembly includes a main infusion chamber, which is connected to a main infusion tube. The main infusion chamber is also connected to multiple medicine bottles through multiple branch infusion tubes. A solenoid valve is provided at the connection point between the main infusion chamber and each branch infusion tube.

[0011] Based on the above technical solution, it further includes a first control panel, which is used to control the solenoid valve to open or close.

[0012] The temperature control component includes a temperature control tube sleeved on the main infusion tube, and a temperature sensor is also installed on the main infusion tube.

[0013] Based on the above technical solution, it further includes a second control panel, which is electrically connected to the temperature control tube and the temperature sensor.

[0014] A method of using an enema device for the treatment of ulcerative colitis includes the following steps: S1. Insert the entire telescopic catheter assembly into the patient's anus until the anti-slip texture on the outside of the fixed tube at the end contacts the patient's anus. S2. By opening different solenoid valves in the multi-chamber drug delivery assembly, the liquid medicine in different medicine bottles is sent into the main infusion chamber and the main infusion tube, and the liquid medicine is sprayed onto the affected area through the spray tube at the head end. S3. Hydraulic oil is supplied to the hydraulic pipe through the hydraulic pump, and the connecting pipe is pushed outward or retracted inward, so that the telescopic catheter assembly can be adjusted to extend and retract as a whole, so that the spray pipe can spray the medicine to the ulcerative colitis lesions in different locations in the intestine.

[0015] In step S3, when the telescopic catheter assembly is extended or shortened as a whole, the expansion hydraulic chamber inside the fixed tube can be expanded to enhance the fixation effect relative to the patient's anus through the anti-slip texture, so that when the telescopic catheter assembly is extended or shortened as a whole, the fixed tube remains fixed relative to the patient's intestinal tract.

[0016] The beneficial effects of this invention are: 1. By designing a telescopic catheter assembly, and by opening a sliding hydraulic chamber and an expansion hydraulic chamber in the wall of the fixed tube, the hydraulic pump delivers hydraulic oil to the first hydraulic tube or the second hydraulic tube to push the piston ring on the connecting tube, thereby pushing or retracting the connecting tube relative to the fixed tube. This adjusts the overall length of the telescopic catheter assembly. Combined with a multi-chamber drug delivery assembly, the device can spray different medications on different affected areas in the intestine as needed, giving this application the advantage of good therapeutic effect. 2. By designing a multi-chamber drug delivery component, different drugs can be placed into multiple drug bottles, and the corresponding solenoid valve can be opened as needed to spray the drug according to the type required for treatment. Compared with the existing method that requires multiple catheter insertions and removals or drug replacements, this application can improve the treatment rate and reduce the pain caused to patients, and has the advantage of being easy to use. 3. By designing a temperature control component, when the multi-chamber drug delivery component delivers the drug solution through the main infusion tube, the temperature of the drug solution is monitored and adjusted to keep it within a suitable range for enema treatment of patients, avoiding adverse reactions to patients caused by excessively high or low drug solution temperatures, thereby improving the safety of this application. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a front view of the present invention; Figure 3 This is a top view of the present invention; Figure 4 for Figure 1 A detailed view of point A; Figure 5 This is a three-dimensional cross-sectional view of the telescopic conduit assembly; Figure 6 for Figure 5 A detailed view at point B; Figure 7 for Figure 5 A detailed view at point C; Figure 8 for Figure 5 A detailed view at point D; Figure 9 This is a three-dimensional structural diagram of a multi-chamber drug delivery system. Figure 10 This is a three-dimensional structural diagram of the temperature control component.

[0018] The components include: 1. Telescopic conduit assembly; 101. Spray tube; 102. Spray nozzle; 103. Camera; 104. Connecting tube; 105. Fixing tube; 106. Sliding hydraulic chamber; 107. Expanding hydraulic chamber; 108. Infusion port; 109. Piston ring; 110. Anti-slip texture; 111. Limiting platform; 112. Hydraulic tube; 113. Hydraulic pump; 114. Hydraulic pump control knob; 2. Main infusion tube; 3. Multi-chamber drug delivery assembly; 301. Main infusion chamber; 302. Branch infusion tube; 303. Medicine bottle; 304. Solenoid valve; 305. Controller; 306. First control panel; 307. Drug delivery assembly housing; 4. Temperature control assembly; 401. Temperature control tube; 402. Temperature sensor; 403. Second control panel; 404. Temperature control assembly housing; 5. Wire. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] The inventors discovered that existing enema therapies require the medication to be prepared externally before being injected into a container. When multiple medications are needed, conventional methods necessitate disassembling the device after the enema is completed, cleaning it, and re-injecting new medications, requiring repeated insertion and removal of the catheter, which can cause pain for the patient. Furthermore, the medication temperature can drop due to prolonged residence or delivery within the enema device or delivery tube, leading to adverse reactions such as cold sweats, severe abdominal pain, rapid pulse, palpitations, and shortness of breath, affecting treatment efficiency and potentially causing serious consequences. In addition, some other devices cannot be fixed relative to the patient's intestinal position during administration, causing the medication to fail to reach the ulcer site due to tube movement, resulting in poor treatment outcomes.

[0021] Based on the above findings, this application proposes an enema device for the treatment of ulcerative colitis. It features a telescopic catheter assembly with a three-section telescopic catheter structure. A spray nozzle and camera are located at the first end of the catheter structure. The length is adjusted by sliding extension and retraction at the middle and tail ends. An expandable anti-detachment corrugated structure is installed on the outer side of the tail end to secure the telescopic catheter assembly to the patient's body and allow for length adjustment. A multi-chamber drug delivery assembly is also included, containing different medications in multiple medication bottles. A solenoid valve opens one of the medication bottles, delivering the medication to the telescopic catheter assembly for spraying. A temperature control component regulates the temperature of the medication in the main infusion tube to a suitable temperature for infusion into the body, ensuring patient safety. The device boasts comprehensive functionality, good rehabilitation effects, and high safety.

[0022] Example 1: See Figures 1-3This application discloses an enema device for treating ulcerative colitis, including a telescopic catheter assembly 1, a multi-chamber drug delivery assembly 3, and a temperature control assembly 4. The telescopic catheter assembly 1 is a long and thin tubular structure used to extend into the intestine from the patient's anus and spray medication to the affected area of ​​ulcerative colitis through its front end for treatment. The multi-chamber drug delivery assembly 3 can be manually controlled by the operator to deliver various different medications to the telescopic catheter assembly 1 in stages as needed. The temperature control assembly 4 can adjust the temperature of the medication when the multi-chamber drug delivery assembly 3 delivers medication to the telescopic catheter assembly 1 through the main infusion tube 2, so that the temperature of the medication is maintained within a suitable range for delivery into the body, so as to avoid excessively high or low temperatures from affecting the patient's intestines. See Figure 5 The telescopic catheter assembly 1 is a three-section catheter structure, including a spray tube 101 at the front end, a connecting tube 104 in the middle, and a fixing tube 105 at the tail end. The spray tube 101 is made of a soft material with a certain strength, such as TPU material. The spray tube 101 is the tube structure with the smallest diameter in the three-section catheter structure, which can reduce the pain suffered by the patient when entering the patient's body and can prevent the tube body from deforming to a certain extent. See Figure 4 Multiple spray nozzles 102 are provided on the side wall and end of the spray tube 101. At the center of the end of the spray tube 101, that is, at the center between the multiple spray nozzles 102, a camera 103 is fixed. The camera 103 is a waterproof miniature camera or endoscope product. It is connected to an external device through a wire 5 set in the telescopic catheter assembly 1. When the telescopic catheter assembly 1 is inserted into the patient's body, the location of the ulcerative colitis lesion inside the intestine can be observed through the camera 103. With the overall telescopic adjustment function of the telescopic catheter assembly 1, the medicine is sprayed from the spray nozzles 102 to the lesion for treatment. In addition, since there are contaminants in the human intestine, they may adhere to the camera 103 at the end of the spray tube 101, which may affect the operator's observation. At this time, when the medicine is sprayed through the spray nozzles 102 at the front end of the spray tube 101, the surface of the camera 103 can also be rinsed by the sprayed medicine.

[0023] The tail end of the spray pipe 101 has the same diameter as the head end of the connecting pipe 104 and is fixedly connected by means of bonding, etc. The tail end of the connecting pipe 104 has a larger diameter than its head end, and the tail end of the connecting pipe 104 is slidably disposed in the fixed pipe 105 to form an adjustable length telescopic pipe structure. The tail end of the fixed pipe 105, that is, the end away from the connecting pipe 104, is fixedly connected to the main infusion pipe 2. The connecting pipe 104 and the fixing pipe 105 are both made of high-strength medical plastic material. The fixing pipe 105 has a sliding hydraulic cavity 106 and an expansion hydraulic cavity 107 formed in its wall. The overall length of the sliding hydraulic cavity 106 is greater than that of the expansion hydraulic cavity 107. (See reference...) Figure 6 In this embodiment, the tail end of the connecting tube 104 is inserted into the sliding hydraulic cavity 106, and the tail end of the connecting tube 104 is provided with a piston ring 109 that fits against the inner wall of the sliding hydraulic cavity 106. The sliding hydraulic cavity 106 is located at the head end of the fixed tube 105, and a limiting platform 111 is fixed thereon, so that a slidable and tightly fitted connection structure is formed between the connecting tube 104 and the fixed tube 105. When the connecting tube 104 slides outward or inward along the fixed tube 105, the overall length of the telescopic catheter assembly 1 can be adjusted. When the telescopic catheter assembly 1 is inserted into the patient's body, the length can be adjusted so that the medication can be sprayed into the affected area of ​​the intestine through the spray nozzle 102 for treatment without pulling out the telescopic catheter assembly 1. The cross-sectional diameter of the expansion hydraulic chamber 107 is larger than that of the sliding hydraulic chamber 106, and the expansion hydraulic chamber 107 and the sliding hydraulic chamber 106 are connected by multiple infusion holes 108. The expansion hydraulic chamber 107 is located on the outside of the expansion hydraulic chamber 107, that is, the outer side of the fixed tube 105 near the tail end is provided with anti-slip texture 110. See Figure 7 The end of the sliding hydraulic chamber 106 and the expansion hydraulic chamber 107 away from the connecting pipe 104, that is, the end near the fixed pipe 105, is fixedly connected to the hydraulic pipe 112. The other end of the hydraulic pipe 112 is connected to the hydraulic pump 113. The hydraulic pump 113 can send hydraulic oil into the sliding hydraulic chamber 106 through the hydraulic pipe 112 to push the connecting pipe 104 out of the fixed pipe 105, thereby extending the entire telescopic catheter assembly 1. When the connecting pipe 104 is pushed out of the fixed pipe 105, the hydraulic oil on the side of the piston ring 109 away from the hydraulic pipe 112 is pushed into the expansion hydraulic chamber 107 from the infusion hole 108, so that the tail end of the fixed pipe 105 expands under the action of the expansion hydraulic chamber 107, and with the anti-slip texture 110, the relative fixation effect between the fixed pipe 105 and the patient's body is enhanced. Similarly, when it is necessary to shorten the entire telescopic conduit assembly 1, hydraulic oil is sent into the expansion hydraulic chamber 107 by controlling the hydraulic pump 113, causing the expansion hydraulic chamber 107 to expand and bulge, thus strengthening the fixing effect. At this time, the hydraulic oil that continues to be filled enters the sliding hydraulic chamber 106 from the inlet hole 108 and is located on the side of the piston ring 109 away from the hydraulic pipe 112, thereby drawing the connecting pipe 104 into the fixed pipe 105, which can shorten the entire telescopic conduit assembly 1. It is worth noting that, through the cooperation of the sliding hydraulic chamber 106 and the expanding hydraulic chamber 107, when hydraulic oil is input into the sliding hydraulic chamber 106 or the expanding hydraulic chamber 107 by the hydraulic pump 113 to adjust the length of the telescopic catheter assembly 1, the expanding hydraulic chamber 107 can expand, thereby strengthening the fixation between the tail end of the fixed tube 105 and the intestinal wall of the patient. This can prevent the fixed tube 105 from moving when the telescopic catheter assembly 1 is extended or shortened, ensuring that after length adjustment, the spray nozzle 102 of the spray tube 101 can spray the medicine onto the affected area of ​​ulcerative colitis, thereby improving the reliability of the device during use.

[0024] Example 2: See Figure 9 The multi-chamber drug delivery assembly 3 includes a main infusion chamber 301 disposed within the drug delivery assembly housing 307. One end of the main infusion chamber 301 is provided with a main infusion tube 2, and the other end of the main infusion tube 2 is connected to a fixed tube 105 to deliver the medication to the telescopic conduit assembly 1. The side of the main infusion chamber 301 away from the main infusion tube 2 is connected to multiple branch infusion tubes 302. Taking this embodiment as an example, there are six branch infusion tubes 302 in total, and a container for holding a medicine bottle 3 is provided on one side of the main infusion chamber 301. The fixed plate of 03 has a branch infusion tube 302 with a sharp conical structure with a hole at the inlet. The conical structure is fixedly installed vertically upward from the edge of the fixed plate. The medicine bottle 303 can be similar to an oral liquid bottle or infusion bottle. The bottle mouth is provided with a soft sealing material. The medicine bottle 303 can be inverted and inserted into the bottle mouth through the inlet of the sharp conical structure of the branch infusion tube 302, so that the medicine flows into the main infusion chamber 301 through the branch infusion tube 302 to provide medicine to the telescopic catheter assembly 1. A solenoid valve 304 is installed at the connection point between the main infusion chamber 301 and each branch infusion tube 302. The solenoid valve 304 can be a product of the "imported miniature solenoid valve" manufactured by Xiamen Locke Pump & Valve Manufacturing Co., Ltd., used to connect or disconnect the branch infusion tubes 302 from the main infusion chamber 301. In this embodiment, a controller 305 is also installed on the main infusion chamber 301, and a first control panel 306 is installed outside the drug delivery component housing 307. The first control panel 306 is electrically connected to the controller 305, and the operator can send signals to the controller 305 through the first control panel 306 to open or close any branch infusion tube. The solenoid valve 304, the first control panel 306, and the controller 305 can use existing control switch products and signal receiver products. The specific settings and operation methods of this structure can refer to existing technologies. As long as the solenoid valve 304 can be opened or closed, when the solenoid valve 304 on a certain branch infusion tube 302 is opened, the medicine in the medicine bottle 303 connected to the branch infusion tube 302 can be sent into the main infusion chamber 301 through the solenoid valve 304, and then into the telescopic catheter assembly 1 through the main infusion tube 2. Finally, it is sprayed into the affected area in the intestine through the spray nozzle 102 of the spray tube 101 for treatment.

[0025] Example 3: See Figure 10 The temperature control component 4 includes a temperature control tube 401, which can be a "radiant heating tube" product manufactured by Jiangsu Yancheng Qilian Electric Equipment Co., Ltd. The temperature control tube 401 is fitted onto the outside of the middle section of the main infusion tube 2 and heats the medicine flowing inside the main infusion tube 2. Located outside the main infusion tube 2, a temperature sensor 402 is also provided for monitoring the temperature of the medicine inside the device. The temperature sensor 402 can be a "CWDZ902 platinum resistance temperature sensor" product manufactured / sold by Xingyi Sensor Manufacturing Co., Ltd., capable of... The temperature of the medication flowing through the main infusion tube 2 is monitored. In the field of enema therapy, the suitable temperature range for enema therapy is 37~37.5 degrees Celsius. Since heat loss occurs when the medication flows through the main infusion tube 2 and the telescopic catheter assembly 1, the temperature sensor 402 and the temperature control tube 401 can be used to heat the medication in the main infusion tube 2 to a suitable temperature for administration to the human body. This ensures that the temperature of the medication administered to the human body is not lower than the appropriate temperature, thereby avoiding irritation to the patient's intestines due to excessively low temperature, which could affect the treatment effect. In this embodiment, as Figure 10As shown, the temperature control tube 401 is installed at one end of the temperature control component housing 404 via a threaded connection, and the temperature sensor 402 is installed inside the temperature control component housing 404. A second control panel 403 is installed above the temperature control component housing 404. The second control panel 403 is similar to the first control panel 306 and can be used to control the temperature of the temperature control tube 401 for temperature adjustment and to receive temperature data obtained by the temperature sensor 402 in order to adjust the temperature of the medicine delivered in the main infusion tube 2. In addition, the hydraulic pump 113 can be installed at the lower part of the temperature control component housing 404, and a hydraulic pump control knob 114 can be installed to control the hydraulic oil supplied by the hydraulic pump 113 to the sliding hydraulic chamber 106 and the expansion hydraulic chamber 107, thereby realizing the length adjustment of the telescopic conduit assembly 1.

[0026] A method of using an enema device for the treatment of ulcerative colitis includes the following steps: S1. Insert the entire telescopic catheter assembly 1 into the patient's anus until the anti-slip texture 110 on the outside of the fixed tube 105 at the end contacts the patient's anus. S2. By opening different solenoid valves 304 in the multi-chamber drug delivery assembly 3, the drug solution in different drug bottles 303 is sent into the main infusion chamber 301 and the main infusion tube 2, and the drug solution is sprayed onto the affected area of ​​ulcerative colitis through the spray tube 101 at the head end. S3. Hydraulic oil is supplied to the hydraulic pipe 112 by the hydraulic pump 113, and the connecting pipe 104 is pushed outward from the fixed pipe 105 or retracted into the fixed pipe 105, so that the telescopic conduit assembly 1 can be adjusted to extend and retract as a whole, so that the spray pipe 101 can spray the medicine to the ulcerative colitis lesions in different locations in the intestine.

[0027] In step S3, when the telescopic catheter assembly 1 is extended or shortened as a whole, the expansion hydraulic cavity 107 at the tail end of the fixed tube 105 can be expanded to enhance the fixation effect relative to the patient's anus through the anti-slip texture 110, so that when the telescopic catheter assembly 1 is extended or shortened as a whole, the fixed tube 105 remains fixed relative to the patient's intestinal tract.

[0028] Practical application cases 1. Preparation of medicines The doctor prepares the enema medication (such as mesalazine, glucocorticoids, etc.) required for treatment according to the prescription. Some medications need to be shaken or diluted in advance. The temperature of the medication solution is recommended to be close to body temperature (about 37°C) to avoid irritation to the intestines due to excessive cold or heat. The prepared medication is then put into reagent bottle 303 and installed on the fixing plate to connect it to the branch infusion tube 302. 2. Body position selection: The patient should lie on their left side with both knees bent and close to the abdomen to facilitate the flow of the medication into the colon. After the medication is finished, the patient can turn to a supine or prone position to help the medication diffuse deeper. 3. Cleanse the intestines: Before enema treatment, patients should empty their bowels as much as possible. If necessary, a cleansing enema can be performed with saline or warm water (about 37°C), but frequent operation should be avoided to prevent mucosal damage. 4. Enema therapy: Insert the telescopic catheter assembly 1 into the patient's anus until the anti-slip texture 110 of the fixed tube 105 is in contact with the patient's anus. When inserting the catheter, you can choose to apply lubricant or similar products to the outside of the telescopic catheter assembly 1 to reduce the resistance encountered during insertion. The hydraulic pump 113 is controlled to deliver hydraulic oil into the hydraulic pipe 112 to drive the overall extension and retraction of the telescopic catheter assembly 1. During the insertion of the telescopic catheter assembly 1 or when the length is adjusted, the affected area of ​​ulcerative colitis can be observed through the camera 103. When the spray nozzle 102 reaches the affected area in the intestine, the corresponding solenoid valve 304 is opened according to the type of medication to be used, so that the medication in the medication bottle 303 flows into the inner cavity of the pipe in the middle of the drive telescopic catheter assembly 1 through the main infusion tube 2, and is sprayed out to the affected area through the spray nozzle 102. During the delivery of the medication in the main infusion tube 2, the medication is heated to a temperature slightly higher than the appropriate temperature for enema treatment by the temperature control component 4, so as to allow for temperature loss of the medication during delivery in the main infusion tube 2 and the telescopic catheter assembly 1, and to avoid adverse reactions of the patient due to excessively high medication temperature.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An enema device for treating ulcerative colitis, comprising a main infusion tube (2), characterized in that, Also includes: The telescopic catheter assembly (1) is connected to one end of the main infusion tube (2) and is used to be inserted into the patient's intestine for the treatment of ulcerative colitis. The multi-chamber drug delivery assembly (3) is connected to the end of the main infusion tube (2) away from the telescopic catheter assembly (1) and is used to deliver drugs to the telescopic catheter assembly (1).

2. The enema device for treating ulcerative colitis according to claim 1, characterized in that, The telescopic conduit assembly (1) includes: A fixed tube (105) is connected at its end to the main infusion tube (2); The connecting pipe (104) is slidably disposed inside the fixed pipe (105); The spray pipe (101) is located at the end of the connecting pipe (104) away from the fixed pipe (105), and the end away from the connecting pipe (104) has a spray port (102).

3. The enema device for treating ulcerative colitis according to claim 2, characterized in that, The telescopic conduit assembly (1) also includes: The sliding hydraulic chamber (106) is opened inside the wall of the fixed pipe (105), and the end of the connecting pipe (104) away from the spray pipe (101) is slidably disposed in the sliding hydraulic chamber (106); The expansion hydraulic chamber (107) is located inside the wall of the fixed pipe (105). Its cross-sectional diameter is larger than that of the sliding hydraulic chamber (106), and its overall length is smaller than that of the sliding hydraulic chamber (106). An infusion port (108) is provided at one end of the expansion hydraulic chamber (107) near the connecting pipe (104) to enable communication between the sliding hydraulic chamber (106) and the expansion hydraulic chamber (107).

4. The enema device for treating ulcerative colitis according to claim 3, characterized in that, The telescopic conduit assembly (1) also includes: Two hydraulic pipes (112) are connected to the ends of the sliding hydraulic chamber (106) and the expansion hydraulic chamber (107) away from the connecting pipe (104), respectively, for supplying hydraulic oil to the sliding hydraulic chamber (106) and the expansion hydraulic chamber (107); The hydraulic pump (113) is connected to one end of the two hydraulic pipes (112) away from the sliding hydraulic chamber (106) and the expansion hydraulic chamber (107), and is used to deliver hydraulic oil to the two hydraulic pipes (112), realize the sliding adjustment of the connecting pipe (104) relative to the fixed pipe (105), and cause the expansion hydraulic chamber (107) to expand and bulge.

5. An enema device for treating ulcerative colitis according to claim 4, characterized in that: The outer wall of the fixed tube (105) away from the spray tube (101) is also provided with anti-slip texture (110). When the expansion hydraulic chamber (107) bulges, the anti-slip texture (110) can fit against the inner wall of the patient's intestine to enhance the fixation effect.

6. An enema device for treating ulcerative colitis according to claim 5, characterized in that, The multi-chamber drug delivery assembly (3) includes: The main infusion chamber (301) is connected at one end to the end of the main infusion tube (2) away from the telescopic catheter assembly (1) and is used to deliver medication for the treatment of ulcerative colitis into the telescopic catheter assembly (1). Multiple medicine bottles (303), each medicine bottle (303) is connected to the main infusion chamber (301) through a branch infusion tube (302); Multiple solenoid valves (304) are installed on each branch infusion tube (302) to control the flow of medicine from the medicine bottle (303) into the main infusion chamber (301).

7. An enema device for treating ulcerative colitis according to claim 6, characterized in that, It also includes a temperature control assembly (4) for heating the medication in the main infusion tubing (2), which includes: Temperature control tube (401) is fitted onto the main infusion tube (2) and is used to heat the medicine in the main infusion tube (2) to 37-37.5 degrees Celsius; A temperature sensor (402) is fitted onto the main infusion tube (2) to monitor the temperature of the medicine in the main infusion tube (2).

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