Hydrops extraction device

Abstract

The utility model relates to the technical field of oncology, in particular to an effusion extraction device, which adopts electrically-driven screwing movement and sliding constraint to absorb effusion under negative pressure, realizes automation, is more accurate and improves practicability. Comprising a connecting frame, a container base, a hydrops container, an upper cover, a puncture structure, a negative pressure cylinder, a negative pressure pipe, a driving motor, a threaded rod, a threaded pipe, a piston, a connecting frame, a sliding rail and a sliding block, the middle of the bottom end of the interior of the connecting frame is connected with the bottom end of the container base, and the inner side of the container base and the outer side of the hydrops container are detachably installed; the output end of the driving motor is connected with the bottom end of the threaded rod, the outer wall of the threaded rod is in threaded connection with the inner wall of the threaded pipe, the lower side of the right end of the threaded pipe is connected with the left end of the sliding block through the connecting frame, the middle of the left side of the connecting frame is connected with the inner side of the sliding rail, and the sliding block is in sliding connection with the outer side of the sliding rail.

Description

Technical Field

[0001] The utility model relates to the technical field of oncology, in particular to a fluid extraction device. Background Art

[0002] Oncology, like internal medicine, surgery, obstetrics and gynecology, and pediatrics, is a secondary discipline of clinical medicine, divided into internal oncology, tumor radiotherapy, and tumor surgery. Internal oncology is mainly engaged in the medical treatment of various benign and malignant tumors; tumor radiotherapy is mainly engaged in radiation therapy of tumors; and tumor surgery provides comprehensive treatment with surgery as the main treatment. The relevant departments of specialized tumor hospitals will be further subdivided according to different parts, such as gastrointestinal tumors and lymphoma tumors in internal oncology; tumor surgery includes breast surgery, head and neck surgery, thoracic surgery, tumor gynecology, abdominal surgery, etc.

[0003] In tumor treatment, a treatment method of extracting accumulated fluid is included. There is currently a body fluid extractor with a Chinese patent announcement number of CN202569009U, which has a simple structure, is easy to move and easy to operate; the accumulated fluid can be continuously extracted without pulling out the puncture needle, avoiding additional harm to the patient when pulling out and inserting the puncture needle; the syringe and the liquid inlet tube are separated, the accumulated fluid will not splash out, which protects the environment and increases the service life of the syringe.

[0004] However, since the device is manually controlled, its accuracy is difficult to control and its practicality is poor. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a device for extracting accumulated fluid by using electrically driven screw-mounted activity and sliding constraints to absorb accumulated fluid under negative pressure, thereby achieving automation, being more precise, and improving practicality.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for extracting accumulated liquid, comprising a connecting frame, a container seat, an accumulated liquid container, an upper cover, a puncture structure, a negative pressure cylinder, a negative pressure tube, a driving motor, a threaded rod, a threaded tube, a piston, a connecting frame, a slide rail and a slider, wherein the middle of the bottom end of the connecting frame is connected to the bottom end of the container seat, the inner side of the container seat and the outer side of the accumulated liquid container are detachably mounted, the outer side of the upper part of the accumulated liquid container and the inner side of the upper cover are detachably screwed, the input end of the upper cover is connected to the inner end of the puncture structure, and the upper cover is connected to the inner end of the negative pressure tube. The output end of the cover is connected with the input end of the negative pressure cylinder through the negative pressure tube, the negative pressure cylinder is connected to the upper left end of the connecting frame, the inner side of the negative pressure cylinder is slidably connected with the outer side of the piston, the middle part of the bottom end of the piston is connected with the top end of the threaded tube, the lower left end of the connecting frame is connected with the right end of the driving motor, the output end of the driving motor is connected with the bottom end of the threaded rod, the outer wall of the threaded rod is screwed with the inner wall of the threaded tube, the lower side of the right end of the threaded tube is connected with the left end of the slider through the connecting frame, the middle part of the left side of the connecting frame is connected with the inner side of the slide rail, and the slider is slidably connected on the outer side of the slide rail.

[0009] Preferably, it also includes a tightening screw sleeve, a tightening screw and a tightening hand, the middle part of the front end of the container seat is connected to the inner end of the tightening screw sleeve, the inner wall of the tightening screw sleeve is screwed with the outer wall of the tightening screw, and the front end of the tightening screw is connected to the middle part of the rear end of the tightening hand.

[0010] Preferably, it also includes a handle connecting frame, a movable shaft and a carrying handle, the middle part of the top end of the connecting frame is connected to the bottom end of the handle connecting frame, and the outer side of the handle connecting frame is movably connected to the inner end of the carrying handle via the movable shaft.

[0011] Preferably, it also includes a battery and a charging port, the lower left end inside the connection frame is connected to the outer end of the battery, the battery input end is provided with a charging port, and the battery output end is connected to the drive motor input end.

[0012] Preferably, it also includes a brush, and the outer ends of the slide rails on the upper and lower sides of the sliding block are respectively connected to a group of brushes.

[0013] Preferably, a bottom pad is also included, and the four corner sides of the bottom end of the connecting frame are respectively connected to the top end of a group of bottom pads.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a device for extracting accumulated liquid, which has the following beneficial effects:

[0016] When in use, the connecting frame is placed in the corresponding position, and the piston is on the upper side of the negative pressure cylinder. Then, the piston is punctured into the corresponding body of the patient through the puncture structure input end. According to the required amount of fluid to be extracted, the number of revolutions of the driving motor is set, and the driving motor is operated to rotate the threaded rod, and the threaded tube is connected through the connecting frame. The slider slides vertically on the outside of the slide rail, so that the threaded rod and the threaded tube are screwed together, driving the piston downward on the inside of the negative pressure cylinder, so that the inside of the negative pressure cylinder is negatively pressurized, and then the same amount of air in the fluid accumulation container is sucked in through the negative pressure tube. The negative pressure inside the fluid accumulation container can act on the puncture structure to extract the accumulated fluid. After completion, the fluid accumulation container can be taken out of the container seat, and the upper cover can be removed from the outside of the fluid accumulation container, so that the accumulated fluid in the fluid accumulation container can be dumped. The electrically driven screwing activity and sliding constraint are used to absorb the accumulated fluid under negative pressure, which is automated, more precise, and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 Front view of

[0019] Figure 3 For this utility model Figure 1 Right view of;

[0020] Figure 4 For this utility model Figure 1 Bottom view of .

[0021] Markings in the attached drawings: 1. connecting frame; 2. container seat; 3. liquid accumulation container; 4. upper cover; 5. puncture structure; 6. negative pressure cylinder; 7. negative pressure tube; 8. driving motor; 9. threaded rod; 10. threaded tube; 11. piston; 12. connecting frame; 13. slide rail; 14. slide block; 15. tightening screw sleeve; 16. tightening screw; 17. tightening wrench; 18. handle connecting frame; 19. movable shaft; 20. carrying handle; 21. battery; 22. charging port; 23. brush; 24. bottom pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-4A device for extracting accumulated liquid, comprising a connecting frame 1, a container seat 2, an accumulated liquid container 3, an upper cover 4, a puncture structure 5, a negative pressure cylinder 6, a negative pressure tube 7, a driving motor 8, a threaded rod 9, a threaded tube 10, a piston 11, a connecting frame 12, a slide rail 13 and a slider 14, wherein the middle of the bottom end of the connecting frame 1 is connected to the bottom end of the container seat 2, the inner side of the container seat 2 and the outer side of the accumulated liquid container 3 are detachably mounted, the outer side of the upper part of the accumulated liquid container 3 and the inner side of the upper cover 4 are detachably screwed, and the upper cover 4 input The end is connected with the inner end of the puncture structure 5, the output end of the upper cover 4 is connected with the input end of the negative pressure cylinder 6 through the negative pressure tube 7, the negative pressure cylinder 6 is connected to the upper end of the left side of the connecting frame 1, the inner side of the negative pressure cylinder 6 is slidably connected with the outer side of the piston 11, the middle part of the bottom end of the piston 11 is connected with the top of the threaded tube 10, the lower end of the left side of the connecting frame 1 is connected with the right end of the driving motor 8, the output end of the driving motor 8 is connected with the bottom end of the threaded rod 9, the outer wall of the threaded rod 9 is screwed to the inner wall of the threaded tube 10, and the lower end of the right end of the threaded tube 10 is connected. The side is connected to the left end of the slider 14 through the connecting frame 12, the middle part of the left side of the connecting frame 1 is connected to the inner side of the slide rail 13, and the slider 14 is slidably connected on the outer side of the slide rail 13; when in use, the connecting frame 1 is placed in the corresponding position, the piston 11 is on the upper side of the negative pressure cylinder 6, and then punctures into the corresponding body of the patient through the input end of the puncture structure 5, and the number of revolutions of the driving motor 8 is set according to the required amount of fluid to be extracted. The driving motor 8 is running to make the threaded rod 9 rotate, and the threaded tube 10 is connected through the connecting frame 12, and the slider 14 slides vertically on the outer side of the slide rail 13, so that the threaded rod 9 and the threaded tube 10 are screwed together, driving the piston 11 downward on the inner side of the negative pressure cylinder 6, so that the negative pressure inside the negative pressure cylinder 6, and then the same amount of air in the liquid accumulation container 3 is sucked in through the negative pressure tube 7. The negative pressure inside the liquid accumulation container 3 can act on the puncture structure 5 to extract the accumulated fluid. After completion, the liquid accumulation container 3 can be taken out of the container seat 2, and the upper cover 4 can be removed from the outer side of the liquid accumulation container 3, and the accumulated fluid in the liquid accumulation container 3 can be dumped.

[0025] It also includes a tightening screw sleeve 15, a tightening screw rod 16 and a tightening hand 17. The middle part of the front end of the container seat 2 is connected with the inner end of the tightening screw sleeve 15, the inner wall of the tightening screw sleeve 15 is screwed with the outer wall of the tightening screw rod 16, and the front end of the tightening screw 16 is connected with the middle part of the rear end of the tightening hand 17; by screwing the tightening hand 17, the tightening screw rod 16 can be rotated, and the tightening screw 16 can act inward on the outer side of the liquid accumulation container 3 to tighten it by screwing with the tightening screw sleeve 15, so that the liquid accumulation container 3 is fixed in the container seat 2, thereby improving stability.

[0026] It also includes a handle connecting frame 18, a movable shaft 19 and a carrying handle 20. The middle part of the top of the connecting frame 1 is connected to the bottom of the handle connecting frame 18, and the outer side of the handle connecting frame 18 is movably connected to the inner end of the carrying handle 20 via the movable shaft 19. By holding the carrying handle 20, the handle connecting frame 18 can be connected to the connecting frame 1 under the connection of the movable shaft 19 to naturally hang down, which is convenient for carrying, moving and placing, thereby improving convenience.

[0027] It also includes a battery 21 and a charging port 22. The lower left end of the connection frame 1 is connected to the outer end of the battery 21. The input end of the battery 21 is provided with the charging port 22. The output end of the battery 21 is connected to the input end of the drive motor 8. The battery 21 can be charged through the charging port 22, and the battery 21 can act on the drive motor 8 to operate, thereby improving convenience.

[0028] The slider 14 further includes a brush 23. The outer ends of the slide rails 13 on the upper and lower sides of the slider 14 are respectively connected with a group of brushes 23. When the slider 14 moves, the brush 23 can wipe the outer side of the slide rail 13 to avoid dust adhesion, keep the movement smooth, and improve reliability.

[0029] It also includes a bottom pad 24. The four corner sides of the bottom end of the connection frame 1 are respectively connected to the top of a group of bottom pads 24; the bottom pads 24 can contact with the corresponding surface to prevent wear and slip and improve stability.

[0030] In summary, when a fluid extraction device is used, the battery 21 is charged through the charging port 22. When in use, the handle 20 is held and connected to the movable shaft 19 and the handle connecting frame 18, and the connecting frame 1 is placed in the corresponding position. The bottom surface of the bottom pad 24 contacts, and the piston 11 is located on the upper side of the negative pressure cylinder 6. Then, the piston 11 is punctured into the corresponding body of the patient through the input end of the puncture structure 5. According to the required amount of fluid to be extracted, the number of revolutions of the driving motor 8 is set, and the driving motor 8 is driven by the battery 21 to rotate the threaded rod 9. The threaded tube 10 is connected through the connecting frame 12, and the slider 14 slides vertically on the outside of the slide rail 13, so that the threaded rod 9 and the threaded tube 1 0 screw fit, drives the piston 11 downward on the inner side of the negative pressure cylinder 6, makes the negative pressure inside the negative pressure cylinder 6, and then sucks the same amount of air in the liquid accumulation container 3 through the negative pressure tube 7. The negative pressure inside the liquid accumulation container 3 can act on the puncture structure 5 to extract the accumulated liquid. After completion, the tightening handle 17 can be turned to loosen the tightening screw 16 on the inner side of the tightening screw sleeve 15, and the liquid accumulation container 3 can be taken out of the container seat 2, and the upper cover 4 can be removed from the outside of the liquid accumulation container 3, and the accumulated liquid in the liquid accumulation container 3 can be dumped. In addition, the brush 23 can wipe the outside of the slide rail 13 when the slider 14 moves to avoid dust sticking, keep the movement smooth, and improve reliability.

[0031] The puncture structure 5, the drive motor 8 and the battery 21 are well-known devices purchased directly from the market by those skilled in the art. Here we just use them without making any structural or functional improvements, and we will not go into details here.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for extracting effusion, characterized in that: The invention comprises a connecting frame (1), a container seat (2), a liquid accumulation container (3), an upper cover (4), a puncture structure (5), a negative pressure cylinder (6), a negative pressure tube (7), a driving motor (8), a threaded rod (9), a threaded tube (10), a piston (11), a connecting frame (12), a slide rail (13) and a sliding block (14); the middle of the inner bottom end of the connecting frame (1) is connected to the bottom end of the container seat (2); the inner side of the container seat (2) and the outer side of the liquid accumulation container (3) are detachably mounted; the upper outer side of the liquid accumulation container (3) and the inner side of the upper cover (4) are detachably screwed; the input end of the upper cover (4) is connected to the inner end of the puncture structure (5); the output end of the upper cover (4) is connected to the negative pressure cylinder via the negative pressure tube (7). The negative pressure cylinder (6) is connected to the upper left end of the connection frame (1), the inner side of the negative pressure cylinder (6) is slidably connected to the outer side of the piston (11), the middle part of the bottom end of the piston (11) is connected to the top end of the threaded tube (10), the lower left end of the connection frame (1) is connected to the right end of the drive motor (8), the output end of the drive motor (8) is connected to the bottom end of the threaded rod (9), the outer wall of the threaded rod (9) is threadedly connected to the inner wall of the threaded tube (10), the lower side of the right end of the threaded tube (10) is connected to the left end of the slider (14) through the connection frame (12), the middle part of the left side of the connection frame (1) is connected to the inner side of the slide rail (13), and the slider (14) is slidably connected to the outer side of the slide rail (13).

2. The device for extracting effusion according to claim 1, characterized in that: It also includes a tightening screw sleeve (15), a tightening screw rod (16) and a tightening handle (17). The middle part of the front end of the container seat (2) is connected to the inner end of the tightening screw sleeve (15), the inner wall of the tightening screw sleeve (15) and the outer wall of the tightening screw rod (16) are screwed together, and the front end of the tightening screw rod (16) is connected to the middle part of the rear end of the tightening handle (17).

3. The device for extracting effusion according to claim 1, characterized in that: It also comprises a handle connecting frame (18), a movable shaft (19) and a carrying handle (20), wherein the middle portion of the top end of the connecting frame (1) is connected to the bottom end of the handle connecting frame (18), and the outer side of the handle connecting frame (18) is movably connected to the inner end of the carrying handle (20) via the movable shaft (19).

4. The device for extracting effusion according to claim 1, characterized in that: It also includes a storage battery (21) and a charging port (22); the lower left end inside the connection frame (1) is connected to the outer end of the storage battery (21); the charging port (22) is provided at the input end of the storage battery (21); and the output end of the storage battery (21) is connected to the input end of the drive motor (8).

5. The device for extracting effusion according to claim 1, characterized in that: It also comprises brushes (23), and the outer ends of the slide rails (13) on the upper and lower sides of the slider (14) are respectively connected to a group of brushes (23).

6. The device for extracting effusion according to claim 1, characterized in that: It also comprises a bottom pad (24), and the four corner sides of the bottom end of the connection frame (1) are respectively connected to the top end of a group of bottom pads (24).

Images