Hydrops extractor for tumor patient nursing
By designing a fluid aspirator for cancer patient care, the problems of frequent needle replacement and difficulty in observing fluid volume were solved. It enables centralized collection of fluid and intuitive display of volume, improving extraction efficiency and safety.
Patent Information
- Application Number
- CN202423033078.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In the current technology, the needle needs to be changed frequently during the drainage of pleural effusion in cancer patients, which increases the risk of bacterial infection and makes it impossible to visually observe the volume of effusion, thus increasing the difficulty of the operation for doctors.
A fluid aspirator for cancer patient care was designed. The inlet and outlet tubes are controlled by rotating and moving an arc plate, enabling centralized collection and volume observation of the fluid, avoiding the need for needle replacement. A hard, transparent glass collection bottle is used to display the fluid volume.
It simplifies the fluid extraction process, reduces the need for assistance from medical staff, enables centralized collection of fluid and intuitive volume observation, and improves operational efficiency and safety.
Smart Images

Figure CN223914454U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tumor patient care technology, and in particular to a fluid aspirator for tumor patient care. Background Technology
[0002] When a cancer patient's tumor metastasizes to the pleural cavity, the tumor growth damages the vascular structure on the surface of the pleura, causing a large amount of fluid to flow out of the blood vessels and remain inside the pleural cavity, thus forming pleural effusion. Pleural effusion can compress the cancer patient's heart, causing chest pain and difficulty breathing. Therefore, such cancer patients need to have the effusion drained regularly to relieve the symptoms of chest pain and difficulty breathing.
[0003] When draining effusion, the user first inserts a reusable PICC line into the patient's chest cavity, and then uses a graduated syringe to drain the effusion. When the patient has a large amount of effusion, the doctor will change the syringe multiple times. The doctor can also judge the patient's condition based on the volume of effusion. Since the syringe is connected to the patient's body, in order to avoid the syringe coming into contact with too many bacteria, someone needs to open the syringe packaging on-site and hand it to the doctor, which increases the difficulty of draining the effusion. After the drainage is completed, the doctor needs to count the number of syringes before he can calculate the patient's effusion volume. It is not possible to directly observe the amount of fluid drained, which increases the difficulty for the doctor to count the effusion volume.
[0004] In response to the above situation, we propose a fluid aspirator for the care of cancer patients. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a fluid aspirator for the care of cancer patients.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A fluid aspirator for cancer patient care includes a storage bottle, an extraction tube disposed above the storage bottle, a fixed plate fixedly connected to the bottom outer surface of the extraction tube, an arc-shaped groove penetrating the interior of the fixed plate, a movable arc plate slidably connected inside the arc-shaped groove, and positioning blocks fixedly connected to both ends of the movable arc plate.
[0008] An upper limit plate is fixedly connected above the movable arc plate, and the width of the upper limit plate is larger than the arc groove.
[0009] A lower limit plate is fixedly connected below the movable arc plate, and the width of the lower limit plate is larger than the arc groove.
[0010] A quarter-hollow worm gear is fixedly connected to the outer edge of the lower limiting plate, and a worm is engaged on the side of the worm gear away from the extraction tube.
[0011] A mounting frame is fixedly connected to the outer surface of the fixed plate near the worm gear. The inner wall of the mounting frame is rotatably connected to the worm gear. One end of the worm gear extends through to the outer side of the mounting frame and a handle is fixedly connected to its end face.
[0012] Preferably, the input end of the extraction tube is fixedly connected to an input tube, the end of the input tube is fixedly connected to a connection interface, the output end of the extraction tube is fixedly connected to an output tube, the diameter of the input tube and the output tube matches the diameter of the semi-circular grooves at both ends of the arc-shaped groove, and the input tube and the output tube pass through the arc-shaped groove and are fixedly connected to the inner walls at both ends of the arc-shaped groove.
[0013] Preferably, the positioning block is semi-circular, and the diameter of the positioning block matches the diameter of the semi-circular grooves at both ends of the arc-shaped groove.
[0014] Preferably, a sealing push rod is slidably connected inside the extraction tube, and a circular plate is fixedly connected to the top of the sealing push rod.
[0015] Preferably, a positioning plate is fixedly connected to the outer surface of the end of the extraction tube near the circular plate.
[0016] Preferably, the top of the storage bottle is threaded with a sealing cap, the input end of the sealing cap is fixedly connected to a connection port, the connection port is fixedly connected to the end of the output tube, the output end of the sealing cap is fixedly connected to an air filter pad, and the storage bottle is made of hard transparent glass with solution graduations on the side.
[0017] The present invention discloses a fluid aspirator for cancer patient care, which has the following advantages: When aspirating fluid, the doctor can block the inlet or outlet tube passage by rotating and moving the arc-shaped plate, thereby achieving the purpose of aspirating or collecting the fluid. When using this device, the doctor does not need to separate the aspiration tube from the PICC line to collect the fluid. Therefore, using this device to aspirate fluid does not require multiple needle changes, thus eliminating the need for multiple medical staff to assist in the aspiration. At the same time, during the aspiration process, the user injects the aspirated fluid into the collection bottle, so that the aspirated fluid can be collected in a concentrated manner, making it convenient for the user to check the volume of aspirated fluid at any time, thereby enabling the doctor to quickly assess the patient's condition. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall outer surface structure of this utility model;
[0019] Figure 2This is a cross-sectional view of the extraction tube structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the extraction tube structure of this utility model.
[0021] In the diagram: 1. Storage bottle; 2. Sealing cap; 3. Connection port; 4. Air filter pad; 5. Output pipe; 6. Input pipe; 7. Extraction pipe; 8. Positioning plate; 9. Sealing push rod; 10. Circular plate; 11. Connection interface; 12. Fixing plate; 13. Arc-shaped groove; 14. Movable arc-shaped plate; 15. Positioning block; 16. Lower limit plate; 17. Worm gear; 18. Worm; 19. Mounting frame; 20. Handle; 21. Upper limit plate; 22. Solution scale. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] 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 this utility model.
[0024] Referring to Figures 1-3, a fluid aspirator for cancer patient care includes a storage bottle 1. A suction tube 7 is disposed above the storage bottle 1. A sealing push rod 9 is slidably connected inside the suction tube 7. A circular plate 10 is fixedly connected to the top of the sealing push rod 9. A positioning plate 8 is fixedly connected to the outer surface of the end of the suction tube 7 near the circular plate 10. An input tube 6 is fixedly connected to the input end of the suction tube 7. A connection interface 11 is fixedly connected to the end of the input tube 6. An output tube 5 is fixedly connected to the output end of the suction tube 7. The diameters of the input tube 6 and the output tube 5 match the diameters of the semi-circular grooves at both ends of the arc-shaped groove 13. The input tube 6 and the output tube 5 pass through the arc-shaped groove 13 and are fixedly connected to the inner walls at both ends of the arc-shaped groove 13.
[0025] A fixed plate 12 is fixedly connected to the bottom outer surface of the extraction tube 7. An arc-shaped groove 13 is opened through the inside of the fixed plate 12. A movable arc plate 14 is slidably connected inside the arc-shaped groove 13. Positioning blocks 15 are fixedly connected to both ends of the movable arc plate 14. The positioning blocks 15 are semi-circular and their diameter matches the diameter of the semi-circular grooves at both ends of the arc-shaped groove 13. An upper limit plate 21 is fixedly connected above the movable arc plate 14. The width of the upper limit plate 21 is larger than that of the arc-shaped groove 13. A lower limit plate 16 is fixedly connected below the movable arc plate 14. The width of the lower limit plate 16 is larger than that of the arc groove 13. A quarter-hole hollow worm gear 17 is fixedly connected to the outer edge of the lower limit plate 16. A worm 18 is engaged on the side of the worm gear 17 away from the extraction tube 7. A mounting frame 19 is fixedly connected to the outer surface of the fixed plate 12 near the worm 18. The inner wall of the mounting frame 19 is rotatably connected to the worm 18. One end of the worm 18 extends through to the outer side of the mounting frame 19 and a handle 20 is fixedly connected to its end face.
[0026] The top of the storage bottle 1 is threaded with a sealing cap 2. The input end of the sealing cap 2 is fixedly connected to a connection port 3. The connection port 3 is fixedly connected to the end of the output tube 5. The output end of the sealing cap 2 is fixedly connected to an air filter pad 4. The storage bottle 1 is made of hard transparent glass and has solution scale 22 on the side.
[0027] In summary: During the application of this utility model, when aspirating effusion, the doctor first locates the effusion site on the patient's chest and inserts a PICC catheter into the pleural cavity. Then, the user takes out the collection bottle 1 and places it on the upper surface of a nursing cart (a cart used by medical staff). The connection interface 11 is then connected to the heparin cap of the PICC catheter. Next, the user connects the output tube 5 to the connection port 3, and simultaneously installs an air filter pad 4 at the output end of the collection bottle 1. After connection, the user first rotates the handle 20 counterclockwise, causing the worm gear 18 to rotate counterclockwise, which in turn drives the worm wheel 17 to rotate clockwise. This causes the moving arc plate 14 to move towards the input tube 6, allowing the positioning block 15 and the fixing plate 12 to press the input tube 6 together, thus interrupting the passage between the input tube 6 and the extraction tube 7, while simultaneously connecting the output tube 5 and the extraction tube 7. Finally, the user pushes the sealing push rod 9, causing the bottom of the sealing push rod 9 to fit against the inner wall of the bottom end of the extraction tube 7. The user first rotates handle 20 clockwise, which in turn rotates worm gear 18 clockwise, causing worm wheel 17 to rotate counterclockwise. This causes the movable arc plate 14 to move towards the output tube 5, allowing the positioning block 15 and fixing plate 12 to press the output tube 5 together, thus interrupting the passage between the output tube 5 and the extraction tube 7, and connecting the passage between the input tube 6 and the extraction tube 7. The user then pulls the sealing push rod 9 to extract the pleural effusion from the patient. Once the extraction tube 7 is full of effusion, the user first rotates handle 20 counterclockwise, causing the movable arc plate 14 to move towards the input tube 6, thus interrupting the passage between the input tube 6 and the extraction tube 7, and connecting the passage between the output tube 5 and the extraction tube 7. The user then pushes the sealing push rod 9, allowing the effusion inside the extraction tube 7 to enter the storage bottle 1. The user then repeats the above steps to repeatedly extract and store the pleural effusion from the patient until the patient's chest tightness is relieved. Finally, the user separates the connection interface 11 from the heparin cap of the PICC indwelling tube.
[0028] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A fluid suction device for tumor patient care, comprising a storage bottle (1), an extraction tube (7) is arranged above the storage bottle (1), characterized in that, The bottom outer surface of the extraction pipe (7) is fixedly connected with a fixed disc (12), an arc-shaped notch (13) is arranged in the fixed disc (12), and a movable arc-shaped plate (14) is slidably connected in the arc-shaped notch (13). An upper limiting plate (21) is fixedly connected above the movable arc-shaped plate (14), and the width of the upper limiting plate (21) is larger than that of the arc-shaped notch (13). A lower limiting plate (16) is fixedly connected below the movable arc-shaped plate (14), and the width of the lower limiting plate (16) is larger than that of the arc-shaped notch (13). A hollow worm gear (17) is fixedly connected to the outer edge of the lower limiting plate (16), and a worm (18) is engaged with the side of the worm gear (17) away from the extraction pipe (7). An installation frame (19) is fixedly connected to the outer surface of the side of the fixed disc (12) close to the worm (18), the inner wall of the installation frame (19) is rotatably connected with the worm (18), and the end of the worm (18) penetrates to the outside of the installation frame (19) and is fixedly connected with a handle (20) at the end face.
2. The fluid aspirator according to claim 1, wherein An input pipe (6) is fixedly connected to the input end of the extraction pipe (7), a connecting interface (11) is fixedly connected to the tail end of the input pipe (6), an output pipe (5) is fixedly connected to the output end of the extraction pipe (7), the diameters of the input pipe (6) and the output pipe (5) match the diameters of the semicircular notches at the two ends of the arc-shaped notch (13), and the input pipe (6) and the output pipe (5) respectively pass through the arc-shaped notch (13) and are fixedly connected with the inner walls of the arc-shaped notch (13) at the two ends.
3. The fluid aspirator according to claim 2, wherein The positioning block (15) is in a semicircular shape, and the diameter of the positioning block (15) matches the diameter of the semicircular notch at the two ends of the arc-shaped notch (13).
4. The fluid aspirator according to claim 1, wherein A sealing push rod (9) is slidably connected in the extraction pipe (7), and a circular plate (10) is fixedly connected to the top of the sealing push rod (9).
5. The fluid aspirator according to claim 1, wherein A positioning plate (8) is fixedly connected to the outer surface of the end of the extraction pipe (7) close to the circular plate (10).
6. The fluid aspirator according to claim 1, wherein A sealing cover (2) is threadedly connected to the top of the storage bottle (1), an input end of the sealing cover (2) is fixedly connected with a connecting port (3), the connecting port (3) is fixedly connected with the tail end of the output pipe (5), an air filter gasket (4) is fixedly connected to the output end of the sealing cover (2), the storage bottle (1) is made of hard transparent glass, and a solution scale (22) is arranged on the side surface.