Anti-blocking drainage device

Abstract

The application discloses a kind of anti-blocking drainage devices, belong to drainage instrument technical field, including case, flushing mechanism, negative pressure suction mechanism, U-shaped tube and slidingly arranged in U-shaped tube flushing pipe and drainage pipe, the negative pressure suction mechanism and flushing mechanism are arranged in case, the U-shaped tube includes arc segment and is connected with flushing section and drainage section in arc segment both ends, the end of flushing section is connected with flushing hose, the end of drainage section is connected with drainage hose, the drainage hose is connected with negative pressure suction mechanism, the flushing hose is connected with flushing mechanism, the one end of U-shaped tube near flushing section is distributed and is equipped with outer flushing hole along circumference, the one end of U-shaped tube near drainage section is distributed and is equipped with outer drainage hole along circumference.The anti-blocking drainage device provided in the application can flush the drainage head and the drainage tube to avoid the problem of drainage tube blockage, and can also flush the surgical area.

Description

Technical Field

[0001] This invention belongs to the field of drainage device technology, specifically referring to a drainage device that prevents blockage. Background Technology

[0002] A drainage tube is a medical device used in clinical surgery to drain pus, blood, and fluid accumulated between body tissues or in body cavities, preventing postoperative infection and promoting wound healing. Many types of surgical drainage tubes are used clinically; some are used for urinary catheterization, others for wounds, and they are used in the thoracic cavity, brain cavity, gastrointestinal tract, and biliary tract, among others. The purpose of surgical drainage is to drain pus, blood, and fluid accumulated between body tissues or in body cavities to prevent postoperative infection and to avoid hindering wound healing.

[0003] Traditional drainage tubes are inserted into a fluid bag after drainage, and the bag is changed when full during surgery. However, because some patients' drainage fluid is highly viscous, it can easily cause blockage of the drainage tube during drainage. Blockage can lead to infection, tissue damage, and other problems, making the patient's condition more complex and severe, and increasing the difficulty of treatment. In cases of blockage, the drainage tube needs to be replaced or flushed to clear the blockage. After flushing, the tube must be disinfected with warm saline or metronidazole to prevent infection. This process is cumbersome and places a heavy workload on medical staff. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides an anti-blockage drainage device that can flush the drainage head and drainage tube to avoid the problem of drainage tube blockage, and can also flush the surgical area.

[0005] The technical solution adopted by this invention is as follows: This invention provides an anti-clogging drainage device, comprising a housing, a flushing mechanism, a negative pressure suction mechanism, a U-shaped tube, and flushing and drainage fittings slidably disposed within the U-shaped tube. The negative pressure suction mechanism and the flushing mechanism are disposed within the housing. The U-shaped tube includes an arc-shaped section and a flushing section and a drainage section connecting the two ends of the arc-shaped section. A flushing hose is connected to the end of the flushing section, and a drainage hose is connected to the end of the drainage section. The drainage hose is connected to the negative pressure suction mechanism, and the flushing hose is connected to the flushing mechanism. External flushing holes are arranged in a circumferential array at the end of the U-shaped tube near the flushing section, and external drainage holes are arranged in a circumferential array at the end of the U-shaped tube near the drainage section. The flushing pipe has internal flushing holes arranged in a circumferential array, and the drainage pipe has internal drainage holes arranged in a circumferential array. An air source is provided inside the casing. A flushing line shifting drive assembly is provided between the flushing pipe and the end of the flushing section to drive the flushing pipe to slide. A drainage line shifting drive assembly is provided between the drainage pipe and the end of the drainage section to drive the drainage pipe to slide. An annular groove is provided circumferentially on the inner wall of the flushing section. An annular groove and the external flushing hole are offset axially. A strip groove is provided connecting the annular groove and the arc-shaped section. An annular groove is provided circumferentially on the inner wall of the drainage section. An annular groove and the external drainage hole are offset axially. A strip groove is provided connecting the annular groove and the arc-shaped section.

[0006] When the inner irrigation hole is aligned with the outer irrigation hole, the irrigation mechanism, irrigation hose, irrigation fittings, inner irrigation hole, and outer irrigation hole constitute the first irrigation input channel for rinsing the surgical area. When the outer drainage hole is aligned with the inner drainage hole, the drainage mechanism, drainage hose, drainage fittings, inner drainage hole, and outer drainage hole constitute the drainage output channel. When the drainage tube needs to be rinsed, the irrigation fittings are moved linearly by the irrigation line shift drive assembly, and the drainage fittings are moved linearly by the drainage line shift drive assembly, so that the inner irrigation hole is aligned with the first annular groove and the inner drainage hole is aligned with the second annular groove. At this time, the irrigation mechanism, irrigation hose, irrigation fittings, inner irrigation hole, annular groove one, strip groove one, arc segment, strip groove two, annular groove two, inner drainage hole, drainage fittings, drainage hose, and drainage mechanism form a drainage tube rinsing channel.

[0007] Preferably, the rinsing section is provided with a rinsing activity area, the drainage section is provided with a drainage activity area, an annular groove one and an outer rinsing hole are provided in the rinsing activity area, annular groove one and outer rinsing hole are arranged in multiple sets along the axial direction of the rinsing activity area, annular groove one and outer rinsing hole are distributed at intervals along the axial direction of the rinsing activity area, strip groove one is arranged in a circular array around the circumference of the rinsing section, strip groove one connects multiple arrayed annular groove one, annular groove two and outer drainage hole are provided in the drainage activity area, annular groove two and outer drainage hole are arranged in multiple sets along the axial direction of the drainage activity area, annular groove two and outer drainage hole are distributed at intervals along the axial direction of the drainage activity area, strip groove two is arranged in a circular array around the circumference of the drainage section, strip groove two connects multiple arrayed annular groove two.

[0008] Preferably, the air source is a dual-purpose suction and suction air pump, the upper wall of the casing is provided with air source connector one and air source connector two, the side wall of the flushing hose is provided with a flushing air pipe, the side wall of the drainage hose is provided with a drainage air pipe, the flushing air pipe is connected between air source connector one and the flushing line movement drive assembly, and the drainage air pipe is connected between air source connector two and the drainage line movement drive assembly.

[0009] The flushing line displacement drive assembly includes a flushing rectangular tube, a flushing piston, a pneumatic piston, and a flushing spring. The pneumatic piston is coaxially fixed at the end of the flushing pipe away from the arc-shaped section, and the pneumatic piston is slidably sealed to the inner wall of the flushing section. The flushing rectangular tube is fixedly inserted through the end of the flushing section away from the arc-shaped section and is coaxially disposed within the flushing section. The flushing rectangular tube communicates with the flushing hose. The pneumatic piston has a flushing rectangular hole that mates with the flushing rectangular tube. The flushing rectangular tube slides through the flushing rectangular hole and is disposed within the flushing pipe. The flushing piston is coaxially sleeved on the flushing... On the outside of the rectangular tube, the flushing piston is slidably sealed to the inner wall of the flushing pipe. The inner flushing hole is located on the side of the flushing piston near the arc-shaped section. The first air-driven piston is located on the side of the flushing active area away from the arc-shaped section. The inner wall of the flushing section is coaxially provided with a limiting ring. The first limiting ring is located between the first air-driven piston and the flushing active area. The flushing spring is located between the first air-driven piston and the inner wall of the end of the flushing section away from the arc-shaped section. The flushing spring makes the first air-driven piston tend to fit with the first limiting ring. The circumferential side wall of the end of the flushing section away from the arc-shaped section is provided with a first air hole. The flushing air pipe is connected to the first air hole.

[0010] The flushing piston divides the flushing tubing into two independent chambers. The chamber near the arc-shaped section of the flushing piston is the flushing chamber. Initially, the flushing spring pushes the pneumatic piston one to fit against the limiting ring one, and the inner flushing hole aligns with the outer flushing hole. At this time, the flushing fluid flows into the flushing chamber through the flushing rectangular tube, and then flows through the flushing chamber through the inner flushing hole and the outer flushing hole to the outside of the U-shaped tube to flush the patient's surgical area. When it is necessary to flush the drainage tubing, the suction and suction air pump draws air through the flushing air pipe. The flushing air pipe causes the pneumatic piston one to generate negative pressure on the side away from the arc-shaped section, thereby driving the pneumatic piston one to overcome the elastic force of the flushing spring and move away from the limiting ring one. The pneumatic piston one drives the flushing tubing to move, so that the inner flushing hole moves to align with the annular groove one. At this time, the sealing ring one on the side wall of the outer flushing hole fits tightly against the side wall of the flushing tubing.

[0011] Furthermore, the drainage line displacement drive assembly includes a drainage rectangular tube, a drainage piston, a second pneumatic piston, and a drainage spring. The second pneumatic piston is coaxially fixed at the end of the drainage tube away from the arc-shaped section, and is slidably sealed to the inner wall of the drainage section. The drainage rectangular tube is fixedly inserted through the end of the drainage section away from the arc-shaped section, and is coaxially disposed within the drainage section, communicating with the drainage hose. The second pneumatic piston has a drainage rectangular hole that mates with the drainage rectangular tube. The drainage rectangular tube slides through the drainage rectangular hole and is disposed within the drainage tube. The drainage piston is coaxially sleeved on the drainage line. On the outside of the rectangular tube, the drainage piston is slidably sealed to the inner wall of the drainage tube. The inner drainage hole is located on the side of the drainage piston near the arc segment. The second air-driven piston is located on the side of the drainage activity area away from the arc segment. The inner wall of the drainage section is coaxially provided with a second limiting ring. The second limiting ring is located between the second air-driven piston and the drainage activity area. The drainage spring is located between the second air-driven piston and the inner wall of the end of the drainage section away from the arc segment. The drainage spring makes the second air-driven piston tend to fit with the second limiting ring. A second air hole is provided on the circumferential side wall of the end of the drainage section away from the arc segment. The drainage air tube is connected to the second air hole.

[0012] The drainage piston divides the drainage tube into two independent cavities. The cavity near the arc-shaped section of the drainage piston is the drainage cavity. Initially, the drainage spring pushes the pneumatic piston two to fit against the limiting ring two, aligning the inner drainage hole with the outer drainage hole. At this time, the negative pressure suction mechanism generates negative pressure in the drainage cavity through the drainage hose and drainage rectangular tube, drawing the accumulated fluid from the patient's surgical area into the drainage tube through the inner and outer drainage holes, and then leading it outward through the drainage rectangular tube and drainage hose. When it is necessary to flush the drainage tube, the suction and suction air pump draws air through the drainage air tube. The drainage air tube causes the pneumatic piston two to generate negative pressure on the side away from the arc-shaped section, thereby driving the pneumatic piston two to overcome the elastic force of the drainage spring and move away from the limiting ring two. The pneumatic piston two drives the drainage tube to move, causing the inner drainage hole to move and align with the annular groove two. At this time, the sealing ring two on the side wall of the outer drainage hole fits tightly against the side wall of the drainage tube.

[0013] As a further improvement to this solution, a clamping anti-detachment device is installed in the middle of the flushing hose and the drainage hose. The clamping anti-detachment device includes an anti-detachment fixing shell, a clamping component, a reel, a detection ring, a pressure sensor, a controller, and a buzzer. The clamping component is located on the side wall of the anti-detachment fixing shell. One end of the anti-detachment fixing shell has a fixing hole, and the other end has a sliding hole. The middle of the flushing hose and the drainage hose passes through the anti-detachment fixing shell. The flushing hose and the drainage hose pass through the fixing hole and are fixedly connected to the fixing hole. The flushing hose and the drainage hose slide through the sliding hole. The reel is symmetrically rotated within the anti-detachment fixing shell. The flushing hose and the drainage hose are respectively wound around the two... A coil spring is provided between the reel and the anti-detachment fixing shell. The pressure sensor is symmetrically arranged on the inner wall of the anti-detachment fixing shell near the sliding hole. The detection rings are respectively arranged on the flushing hose and the drainage hose. The controller is electrically connected to the pressure sensor and the buzzer respectively. The detection rings are fixed to the part of the flushing hose that is wound around the reel and the part of the drainage hose that is wound around the reel. The flushing hose and the drainage hose wound on the reel can play a buffering role when pulling occurs, preventing them from falling off. When the detection ring moves and presses against the pressure sensor, the pressure sensor generates an electrical signal to trigger the controller to control the buzzer to alarm, so as to prevent the patient from further pulling on the flushing hose and the drainage hose, effectively preventing detachment.

[0014] Furthermore, the inner wall of the flushing section is provided with a sealing ring one, which is located at the upper and lower ends of the annular groove one. The inner wall of the flushing section is provided with a sealing ring one, which is coaxially arranged with the outer flushing hole and corresponds one-to-one with the outer flushing hole. The inner wall of the drainage section is provided with a sealing ring two, which is located at the upper and lower ends of the annular groove two. The inner wall of the drainage section is provided with a sealing ring two, which is coaxially arranged with the outer drainage hole and corresponds one-to-one with the outer flushing hole.

[0015] Furthermore, the rinsing mechanism includes a rinsing pump, a rinsing bottle, and a liquid delivery hose. The side wall of the chassis is provided with a rinsing slot, in which the rinsing bottle is secured. The rinsing pump is located inside the chassis. The upper wall of the chassis is provided with a rinsing input interface and a rinsing output interface, which are respectively connected to the input and output ends of the rinsing pump. The liquid delivery hose is connected between the rinsing bottle and the rinsing input interface, and the rinsing hose is connected to the rinsing output interface.

[0016] Furthermore, the negative pressure suction mechanism includes a negative pressure pump, a drainage bottle, and a negative pressure hose. The side wall of the machine housing is provided with a drainage slot. The negative pressure pump is located inside the machine housing, and the drainage bottle is secured in the drainage slot. The upper wall of the machine housing is provided with a negative pressure interface connected to the negative pressure pump. The negative pressure hose is connected between the negative pressure interface and the drainage bottle. The negative pressure pump generates negative pressure in the drainage bottle through the negative pressure hose, thereby draining the accumulated fluid from the patient's surgical area through the drainage hose.

[0017] The beneficial effects achieved by the present invention using the above structure are as follows:

[0018] 1. Connecting the irrigation tubing and drainage tubing together with a U-shaped tube allows for irrigation and drainage of the surgical area, or drainage can be performed separately. The U-shaped tube, with its smooth transition, is easier to insert into the patient's body, improving comfort and reducing patient pain.

[0019] 2. The flushing line shift drive assembly and the drainage line shift drive assembly drive the flushing pipe and drainage pipe to move linearly, so that the inner flushing hole is aligned with the first annular groove and the inner drainage hole is aligned with the second annular groove. At this time, the flushing mechanism, flushing hose, flushing pipe, inner flushing hole, annular groove one, strip groove one, arc segment, strip groove two, annular groove two, inner drainage hole, drainage pipe, drainage hose and drainage mechanism form a closed drainage pipe flushing channel, which facilitates flushing of the drainage channel.

[0020] 3. When flushing the drainage tube, the internal drainage port and the patient's surgical area are separated by the wall of the U-shaped tube. At this time, increasing the suction of the negative pressure suction mechanism makes it easier to suck the blockage at the internal drainage hole into the tube without harming the patient's surgical area.

[0021] 4. The clamping anti-dislodgement device acts as a buffer for the tubing when the patient turns over or pulls on it during activities, and can also provide timely alarm to prevent the tubing from falling off due to excessive pulling. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of an anti-blockage drainage device provided by the present invention;

[0023] Figure 2This is a structural schematic diagram of an anti-blockage drainage device provided by the present invention from another perspective;

[0024] Figure 3 A cross-sectional view of the U-shaped tube, flushing fitting, and drainage fitting provided by the present invention;

[0025] Figure 4 A schematic diagram of the combined structure of the U-shaped tube, flushing fitting, and drainage fitting provided by the present invention;

[0026] Figure 5 A cross-sectional view of the U-shaped tube provided by the present invention;

[0027] Figure 6 Exploded views of the U-shaped tube, flushing fitting, and drainage fitting provided by this invention;

[0028] Figure 7 A schematic diagram of the combined structure of the clamping anti-detachment device, the drainage hose, and the flushing hose provided by the present invention;

[0029] Figure 8 This is a cross-sectional view of the clamping anti-detachment device provided by the present invention;

[0030] Figure 9 The front view of an anti-blockage drainage device provided by the present invention.

[0031] Among them, 1. Chassis, 2. Negative pressure suction mechanism, 3. Flushing mechanism, 4. U-shaped tube, 5. Flushing fittings, 6. Drainage fittings, 7. Arc-shaped section, 8. Flushing section, 9. Drainage section, 10. Drainage hose, 11. Flushing hose, 12. External flushing hole, 13. External drainage hole, 14. Internal flushing hole, 15. Air source, 16. Flushing line movement drive assembly, 17. Drainage line movement drive assembly, 18. Annular groove one, 19. Strip groove one, 20. Annular groove two, 21. Strip groove two, 22. Flushing activity area, 23. Drainage activity area, 24. Sealing ring one, 25. Sealing ring one, 26. Sealing ring two, 27. Sealing ring two, 28. Air source connector one, 29. Air source connector two, 30. Clamping anti-detachment device, 31. Drainage air pipe, 32. Flushing 33. Rinsing Rectangular Tube; 34. Rinsing Piston; 35. Pneumatic Piston 1; 36. Rinsing Spring; 37. Limiting Ring 1; 38. Drainage Rectangular Tube; 39. Drainage Piston; 40. Pneumatic Piston 2; 41. Drainage Spring; 42. Limiting Ring 2; 43. Rinsing Pump; 44. Rinsing Bottle; 45. Liquid Delivery Hose; 46. Rinsing Slot; 47. Rinsing Input Interface; 48. Rinsing Output Interface; 49. Negative Pressure Pump; 50. Drainage Bottle; 51. Negative Pressure Hose; 52. Drainage Slot; 53. Negative Pressure Interface; 54. Rinsing Air Pipe; 55. Anti-detachment Fixing Shell; 56. Clamping Component; 57. Reel; 58. Detection Ring; 59. Pressure Sensor; 60. Controller; 61. Buzzer; 62. Fixing Hole; 63. Sliding Hole; 64. Coil Spring; 65. Inner Drainage Hole.

[0032] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] In the description of this invention, 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 invention 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 invention.

[0035] like Figures 1-9As shown, the present invention provides an anti-clogging drainage device, comprising a housing 1, a flushing mechanism 3, a negative pressure suction mechanism 2, a U-shaped tube 4, and a flushing fitting 5 and a drainage fitting 6 slidably disposed within the U-shaped tube 4. The negative pressure suction mechanism 2 and the flushing mechanism 3 are disposed within the housing 1. The U-shaped tube 4 includes an arc-shaped section 7 and a flushing section 8 and a drainage section 9 connecting the two ends of the arc-shaped section 7. A flushing hose 11 is connected to the end of the flushing section 8, and a drainage hose 10 is connected to the end of the drainage section 9. The drainage hose 10 is connected to the negative pressure suction mechanism 2, and the flushing hose 11 is connected to the flushing mechanism 3. External flushing holes 12 are arranged in a circumferential array at the end of the U-shaped tube 4 near the flushing section 8, and external drainage holes 13 are arranged in a circumferential array at the end of the U-shaped tube 4 near the drainage section 9. The flow pipe 6 is provided with internal drainage holes 64 arranged in a circumferential array. The flushing pipe 5 is provided with internal flushing holes 14 arranged in a circumferential array. The housing 1 is provided with an air source 15. A flushing line shifting drive assembly 16 is provided between the flushing pipe 5 and the flushing section 8 to drive the flushing pipe 5 to slide. A drainage line shifting drive assembly 17 is provided between the drainage pipe 6 and the drainage section 9 to drive the drainage pipe 6 to slide. The inner wall of the flushing section 8 is provided with an annular groove 18 arranged in a circumferential direction. The annular groove 18 and the external flushing hole 12 are staggered in the axial direction. A strip groove 19 is provided between the annular groove 18 and the arc-shaped section 7. The inner wall of the drainage section 9 is provided with an annular groove 20 arranged in a circumferential direction. The annular groove 20 and the external drainage hole 13 are staggered in the axial direction. A strip groove 21 is provided between the annular groove 20 and the arc-shaped section 7.

[0036] When the inner flushing hole 14 is aligned with the outer flushing hole 12, the flushing mechanism 3, flushing hose 11, flushing fitting 5, inner flushing hole 14, and outer flushing hole 12 constitute the first flushing input channel for flushing the surgical area; when the outer drainage hole 13 is aligned with the inner drainage hole 64, the drainage mechanism, drainage hose 10, drainage fitting 6, inner drainage hole 64, and outer drainage hole 13 constitute the drainage output channel; when flushing of the drainage tube is required, flushing is driven by the flushing line movement drive assembly 16. The pipe fitting 5 moves linearly, and the drainage pipe fitting 6 moves linearly through the drainage line movement drive assembly 17, so that the inner flushing hole 14 is aligned with the annular groove 18 and the inner drainage hole 64 is aligned with the annular groove 20. At this time, the flushing mechanism 3, the flushing hose 11, the flushing pipe fitting 5, the inner flushing hole 14, the annular groove 18, the strip groove 19, the arc segment 7, the strip groove 21, the annular groove 20, the inner drainage hole 64, the drainage pipe fitting 6, the drainage hose 10 and the drainage mechanism form a drainage pipe flushing channel.

[0037] The rinsing section 8 is provided with a rinsing activity area 22, and the drainage section 9 is provided with a drainage activity area 23. Annular groove 18 and external rinsing holes 12 are located within the rinsing activity area 22. Multiple sets of annular groove 18 and external rinsing holes 12 are arranged in an array along the axial direction of the rinsing activity area 22. The annular groove 18 and external rinsing holes 12 are spaced apart along the axial direction of the rinsing activity area 22. Strip groove 19 is arranged in an array around the circumference of the rinsing section 8. Strip groove 19 connects multiple arrayed annular groove 18. Annular groove 20 and external drainage holes 13 are located within the drainage activity area 23. Multiple sets of annular groove 20 and external drainage holes 13 are arranged in an array along the axial direction of the drainage activity area 23. The annular groove 20 and external drainage holes 13 are spaced apart along the axial direction of the drainage activity area 23. Strip groove 21 is arranged in an array around the circumference of the drainage section 9. Strip groove 21 connects multiple arrayed annular groove 20.

[0038] The inner wall of the flushing section 8 is provided with a sealing ring 24, which is located at the upper and lower ends of the annular groove 18. The inner wall of the flushing section 8 is provided with a sealing ring 25, which is coaxially arranged with the outer flushing hole 12 and corresponds one-to-one with the outer flushing hole 12. The inner wall of the drainage section 9 is provided with a sealing ring 26, which is located at the upper and lower ends of the annular groove 20. The inner wall of the drainage section 9 is provided with a sealing ring 27, which is coaxially arranged with the outer drainage hole 13 and corresponds one-to-one with the outer flushing hole 12.

[0039] The air source 15 is a dual-purpose suction and suction air pump. The upper wall of the casing 1 is provided with an air source connector 28 and an air source connector 29. The side wall of the flushing hose 11 is provided with a flushing air pipe 53. The side wall of the drainage hose 10 is provided with a drainage air pipe 31. The flushing air pipe 53 is connected between the air source connector 28 and the flushing line movement drive assembly 16. The drainage air pipe 31 is connected between the air source connector 29 and the drainage line movement drive assembly 17.

[0040] The flushing line movement drive assembly 16 includes a flushing rectangular tube 32, a flushing piston 33, a pneumatic piston 34, and a flushing spring 35. The pneumatic piston 34 is coaxially fixed at the end of the flushing pipe 5 away from the arc-shaped section 7, and is slidably sealed to the inner wall of the flushing section 8. The flushing rectangular tube 32 is fixedly passed through the end of the flushing section 8 away from the arc-shaped section 7, and is coaxially disposed within the flushing section 8. The flushing rectangular tube 32 communicates with the flushing hose 11. The pneumatic piston 34 has a flushing rectangular hole that mates with the flushing rectangular tube 32. The flushing rectangular tube 32 slides through the flushing rectangular hole and is disposed within the flushing pipe 5. The flushing piston 33 is coaxially sleeved on the flushing rectangular tube. On the outside of 32, the flushing piston 33 is slidably and sealed to the inner wall of the flushing pipe 5. The inner flushing hole 14 is located on the side of the flushing piston 33 near the arc-shaped section 7. The air-driven piston 34 is located on the side of the flushing active area 22 away from the arc-shaped section 7. The inner wall of the flushing section 8 is coaxially provided with a limiting ring 36. The limiting ring 36 is located between the air-driven piston 34 and the flushing active area 22. The flushing spring 35 is located between the air-driven piston 34 and the inner wall of the end of the flushing section 8 away from the arc-shaped section 7. The flushing spring 35 makes the air-driven piston 34 tend to fit with the limiting ring 36. The circumferential side wall of the end of the flushing section 8 away from the arc-shaped section 7 is provided with a first air hole. The flushing air pipe 53 is connected to the first air hole.

[0041] The drainage line displacement drive assembly 17 includes a drainage rectangular tube 37, a drainage piston 38, a second pneumatic piston 39, and a drainage spring 40. The second pneumatic piston 39 is coaxially fixed at the end of the drainage tube 6 away from the arc-shaped section 7, and is slidably sealed to the inner wall of the drainage section 9. The drainage rectangular tube 37 is fixedly inserted through the end of the drainage section 9 away from the arc-shaped section 7, and is coaxially disposed within the drainage section 9. The drainage rectangular tube 37 communicates with the drainage hose 10. The second pneumatic piston 39 has a drainage rectangular hole that mates with the drainage rectangular tube 37. The drainage rectangular tube 37 slides through the drainage rectangular hole and is disposed within the drainage tube 6. The drainage piston 38 is coaxially sleeved on the drainage rectangular tube. On the outside of 37, the drainage piston 38 is slidably and sealed to the inner wall of the drainage tube 6. The inner drainage hole 64 is located on the side of the drainage piston 38 near the arc-shaped section 7. The second air-driven piston 39 is located on the side of the drainage activity area 23 away from the arc-shaped section 7. The inner wall of the drainage section 9 is coaxially provided with a second limiting ring 41. The second limiting ring 41 is located between the second air-driven piston 39 and the drainage activity area 23. The drainage spring 40 is located between the second air-driven piston 39 and the inner wall of the end of the drainage section 9 away from the arc-shaped section 7. The drainage spring 40 makes the second air-driven piston 39 tend to fit with the second limiting ring 41. The circumferential side wall of the end of the drainage section 9 away from the arc-shaped section 7 is provided with a second air hole. The drainage air tube 31 is connected to the second air hole.

[0042] The rinsing mechanism 3 includes a rinsing pump 42, a rinsing bottle 43, and a delivery hose 44. The side wall of the housing 1 is provided with a rinsing slot 45, in which the rinsing bottle 43 is secured. The rinsing pump 42 is located inside the housing 1. The upper wall of the housing 1 is provided with a rinsing input interface 46 and a rinsing output interface 47, respectively connected to the input and output ends of the rinsing pump 42. The delivery hose 44 is connected between the rinsing bottle 43 and the rinsing input interface 46. The rinsing hose 11 is connected to the rinsing output interface 47. The negative pressure suction mechanism 2 includes a negative pressure... The system includes a pump 48, a drainage bottle 49, and a negative pressure hose 50. The side wall of the casing 1 has a drainage slot 51. The negative pressure pump 48 is located inside the casing 1, and the drainage bottle 49 is secured within the drainage slot 51. The upper wall of the casing 1 has a negative pressure interface 52 connected to the negative pressure pump 48. The negative pressure hose 50 is connected between the negative pressure interface 52 and the drainage bottle 49. The drainage hose 10 is connected to the drainage bottle 49. The negative pressure pump 48 generates negative pressure within the drainage bottle 49 through the negative pressure hose 50, thereby draining the accumulated fluid from the patient's surgical area through the drainage hose 10.

[0043] A clamping anti-detachment device 30 is installed in the middle of the flushing hose 11 and the drainage hose 10. The clamping anti-detachment device includes an anti-detachment fixing shell 54, a clamping member 55, a reel 56, a detection ring 57, a pressure sensor 58, a controller 59, and a buzzer 60. The clamping member 55 is located on the side wall of the anti-detachment fixing shell 54. In this embodiment, the clamping member 55 is a pin. One end of the anti-detachment fixing shell 54 has a fixing hole 61, and the other end of the anti-detachment fixing shell 54 has a sliding hole 62. The middle of the flushing hose 11 and the drainage hose 10 passes through the anti-detachment fixing shell 54, and the flushing hose 11 and the drainage hose 10 pass through the fixing hole. 61 is fixedly connected to the fixing hole 61. The flushing hose 11 and the drainage hose 10 slide through the sliding hole 62. The roller 56 is symmetrically rotated inside the anti-detachment fixing shell 54. The flushing hose 11 and the drainage hose 10 are respectively wound around the two rollers 56. A coil spring 63 is provided between the roller 56 and the anti-detachment fixing shell 54. The pressure sensor 58 is symmetrically arranged on the inner wall of the anti-detachment fixing shell 54 near the sliding hole 62. The detection ring 57 is respectively provided on the flushing hose 11 and the drainage hose 10. The detection ring 57 is provided on the part of the flushing hose 11 wound around the roller 56 and the part of the drainage hose 10 wound around the roller 56.

[0044] In practical use, the U-shaped tube 4 is inserted into the patient's surgical area and fixed. Then, the clamp-type anti-detachment device 30 is fixed to the patient's clothing with a pin. The negative pressure suction mechanism 2 is activated for drainage. Initially, the drainage spring 40 pushes the second pneumatic piston 39 to fit with the second limiting ring 41, and the inner drainage hole 64 is aligned with the outer drainage hole 13. The drainage mechanism, drainage hose 10, drainage fitting 6, inner drainage hole 64 and outer drainage hole 13 constitute the drainage output channel. The flushing spring 35 pushes the first pneumatic piston 34 to fit with the first limiting ring 36, and the inner flushing hole 14 is aligned with the outer flushing hole 12. The flushing mechanism 3, flushing hose 11, flushing fitting 5, inner flushing hole 14 and outer flushing hole 12 constitute the first flushing input channel for flushing the surgical area.Negative pressure pump 48 generates negative pressure in drainage bottle 49 through negative pressure hose 50. Negative pressure is generated in drainage cavity through drainage hose 10 and drainage rectangular tube 37 in drainage bottle 49. Fluid accumulated in the patient's surgical area is drawn into drainage fitting 6 through inner drainage hole 64 and outer drainage hole 13, and then led out through drainage rectangular tube 37 and drainage hose 10. When flushing is required, negative pressure pump 48 is kept running and flushing pump 42 is activated. Flushing pump 42 draws flushing fluid from flushing bottle 43 through delivery hose 44 and delivers it to flushing rectangular tube 32 through flushing hose 11. The flushing fluid flows into flushing cavity through flushing rectangular tube 32, and then through inner flushing hole 14 and outer flushing hole 13. 2. The fluid flows to the outside of the U-shaped tube 4 to flush the patient's surgical area, allowing for simultaneous flushing and drainage. When the drainage outlet channel becomes blocked, the suction and aspiration pump is activated to draw air. The suction and aspiration pump draws air through the drainage air tube 31, creating negative pressure on the side of the pneumatic piston 39 away from the arc segment 7. This causes the pneumatic piston 39 to overcome the elastic force of the drainage spring 40 and move away from the limiting ring 41. The pneumatic piston 39 then moves the drainage tube 6, aligning the inner drainage hole 64 with the annular groove 20. The sealing ring 27 on the side wall of the outer drainage hole 13 fits tightly against the side wall of the drainage tube 6. The suction and aspiration pump draws air through the flushing air tube 53. The air flushing pipe 53 generates negative pressure on the side of the air-driven piston 34 away from the arc-shaped segment 7, thereby driving the air-driven piston 34 to overcome the elastic force of the flushing spring 35 and move away from the limiting ring 36. The air-driven piston 34 drives the flushing pipe 5 to move, so that the inner flushing hole 14 moves to align with the annular groove 18, and the sealing ring 25 on the side wall of the outer flushing hole 12 is tightly fitted with the side wall of the flushing pipe 5. At this time, the flushing mechanism 3, flushing hose 11, flushing pipe 5, inner flushing hole 14, annular groove 18, strip groove 19, arc-shaped segment 7, strip groove 21, annular groove 20, inner drainage hole 64, drainage pipe 6, drainage hose 10 and drainage mechanism form a drainage pipe flushing system. Furthermore, when flushing the drainage outlet channel, the inner drainage port and the patient's surgical area are separated by the wall of the U-shaped tube 4. At this time, increasing the suction force of the negative pressure suction mechanism 2 makes it easier to suck the blockage at the inner drainage hole 64 into the drainage tube without harming the patient's surgical area. The flushing hose 11 and the drainage hose 10 are wound on the reel 56, which can buffer the patient when they pull on the tubing, preventing the flushing hose 11 and the drainage hose 10 from falling off. When the detection ring 57 moves and presses against the pressure sensor 58, the pressure sensor 58 generates an electrical signal to trigger the controller 59 to control the buzzer 60 to sound an alarm, so as to prevent the patient from further pulling on the flushing hose 11 and the drainage hose 10, effectively preventing them from falling off.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0046] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the invention, such designs should fall within the protection scope of the present invention.

Claims

1. An anti-clogging drainage device, characterized by: The utility model relates to a kind of medical treatment equipment, including cabinet, flushing mechanism, negative pressure suction mechanism, U-shaped pipe and slidingly arranged in U-shaped pipe flushing pipe and drainage pipe, the negative pressure suction mechanism and flushing mechanism are arranged in cabinet, the U-shaped pipe includes arc segment and the flushing section and drainage section being communicated and arranged at the both ends of arc segment, the end of flushing section is connected with flushing hose, the end of drainage section is connected with drainage hose, the drainage hose is connected with negative pressure suction mechanism, the flushing hose is connected with flushing mechanism, the end of U-shaped pipe close to flushing section is distributed with outer flushing hole along circumference, the end of U-shaped pipe close to drainage section is distributed with outer drainage hole along circumference, flushing pipe is distributed with inner flushing hole along circumference, drainage pipe is distributed with inner drainage hole along circumference, gas source is arranged in cabinet, flushing line shift drive assembly that drives flushing pipe to slide is arranged between the end of flushing pipe and flushing section, drainage line shift drive assembly that drives drainage pipe to slide is arranged between the end of drainage pipe and drainage section, gas source connector one and gas source connector two are arranged on the upper wall of cabinet, flushing gas pipe is arranged on the side wall of flushing hose, drainage gas pipe is arranged on the side wall of drainage hose, flushing gas pipe is communicated between gas source connector one and flushing line shift drive assembly, drainage gas pipe is communicated between gas source connector two and drainage line shift drive assembly;The inner wall of flushing section is distributed with annular groove one along circumference, annular groove one and outer flushing hole are distributed with axial dislocation, annular groove one and arc segment are communicated with strip groove one between, the inner wall of drainage section is distributed with annular groove two along circumference, annular groove two and outer drainage hole are distributed with axial dislocation, annular groove two and arc segment are communicated with strip groove two between.

2. The anti-clogging drainage device according to claim 1, characterized in that: Flushing active area is arranged on the flushing section, drainage active area is arranged on the drainage section, annular groove one and outer flushing hole are arranged in flushing active area, annular groove one and outer flushing hole are respectively distributed with multiple groups along the axial array of flushing active area, annular groove one and outer flushing hole are spaced apart along the axial direction of flushing active area, strip groove one is distributed with array around the circumference of flushing section, strip groove one is communicated with multiple array distributed annular groove one, annular groove two and outer drainage hole are arranged in drainage active area, annular groove two and outer drainage hole are distributed with multiple groups along the axial array of drainage active area, annular groove two and outer drainage hole are spaced apart along the axial direction of drainage active area, strip groove two is distributed with array around the circumference of drainage section, strip groove two is communicated with multiple array distributed annular groove two.

3. A clog-resistant drainage device according to claim 2, wherein: The flushing line shift drive assembly comprises a flushing rectangular pipe, a flushing piston, a gas drive piston one and a flushing spring, the gas drive piston one is coaxially fixed at one end of the flushing pipe away from the arc segment, the gas drive piston one is in sliding sealing connection with the inner wall of the flushing segment, the flushing rectangular pipe is fixedly penetrated through the end of the flushing segment away from the arc segment, the flushing rectangular pipe is coaxially arranged in the flushing segment, the flushing rectangular pipe is in communication with the flushing hose, the gas drive piston one is provided with a flushing rectangular hole matched with the flushing rectangular pipe, the flushing rectangular pipe is slidably penetrated through the flushing rectangular hole and arranged in the flushing pipe, the flushing piston is coaxially sleeved outside the flushing rectangular pipe, the flushing piston is in sliding sealing connection with the inner wall of the flushing pipe, an inner flushing hole is arranged on one side of the flushing piston close to the arc segment, the gas drive piston one is arranged on one side of the flushing movable area away from the arc segment, a limiting ring one is coaxially arranged on the inner wall of the flushing segment, the limiting ring one is arranged between the gas drive piston one and the flushing movable area, the flushing spring is arranged between the gas drive piston one and the inner wall of one end of the flushing segment away from the arc segment, the flushing spring makes the gas drive piston one keep close to the limiting ring one, a first gas hole is arranged on the circumferential side wall of one end of the flushing segment away from the arc segment, and the flushing gas pipe is connected with the first gas hole.

4. A clog-resistant drainage device according to claim 3, wherein: The drainage line shift drive assembly comprises a drainage rectangular pipe, a drainage piston, a gas drive piston two and a drainage spring, the gas drive piston two is coaxially fixed at one end of the drainage pipe away from the arc segment, the gas drive piston two is in sliding sealing connection with the inner wall of the drainage segment, the drainage rectangular pipe is fixedly penetrated through the end of the drainage segment away from the arc segment, the drainage rectangular pipe is coaxially arranged in the drainage segment, the drainage rectangular pipe is in communication with the drainage hose, the gas drive piston two is provided with a drainage rectangular hole matched with the drainage rectangular pipe, the drainage rectangular pipe is slidably penetrated through the drainage rectangular hole and arranged in the drainage pipe, the drainage piston is coaxially sleeved outside the drainage rectangular pipe, the drainage piston is in sliding sealing connection with the inner wall of the drainage pipe, an inner drainage hole is arranged on one side of the drainage piston close to the arc segment, the gas drive piston two is arranged on one side of the drainage movable area away from the arc segment, a limiting ring two is coaxially arranged on the inner wall of the drainage segment, the limiting ring two is arranged between the gas drive piston two and the drainage movable area, the drainage spring is arranged between the gas drive piston two and the inner wall of one end of the drainage segment away from the arc segment, the drainage spring makes the gas drive piston two keep close to the limiting ring two, a second gas hole is arranged on the circumferential side wall of one end of the drainage segment away from the arc segment, and the drainage gas pipe is connected with the second gas hole.

5. A clog-resistant drainage device according to claim 4, wherein: The middle part of the flushing hose and the drainage hose is provided with a clamping type anti-off device, the clamping type anti-off device comprises an anti-off fixing shell, a clamping piece, a reel, a detection ring, a pressure sensor, a controller and a buzzer, the clamping piece is arranged on the side wall of the anti-off fixing shell, a fixing hole is arranged at one end of the anti-off fixing shell, a sliding hole is arranged at the other end of the anti-off fixing shell, the middle part of the flushing hose and the drainage hose penetrates the anti-off fixing shell, the flushing hose and the drainage hose pass through the fixing hole and are fixedly connected with the fixing hole, the flushing hose and the drainage hose slide through the sliding hole, the reels are symmetrically arranged in the anti-off fixing shell, the flushing hose and the drainage hose are arranged around the two reels respectively, a coil spring is arranged between the reel and the anti-off fixing shell, the pressure sensor is symmetrically arranged on the inner wall of the anti-off fixing shell close to the sliding hole, the detection rings are arranged on the flushing hose and the drainage hose respectively, and the controller is electrically connected with the pressure sensor and the buzzer.

6. A clog-resistant drainage device according to claim 5, wherein: The inner wall of the flushing section is provided with a sealing ring one, the sealing ring one is arranged at the upper end and the lower end of the annular groove one, the inner wall of the flushing section is provided with a sealing ring one, the sealing ring one is coaxially arranged with the outer flushing hole, and the sealing ring one corresponds to the outer flushing hole one by one, the inner wall of the drainage section is provided with a sealing ring two, the sealing ring two is arranged at the upper end and the lower end of the annular groove two, and the inner wall of the drainage section is provided with a sealing ring two, the sealing ring two is coaxially arranged with the outer drainage hole, and the sealing ring two corresponds to the outer flushing hole one by one.

7. A clog-resistant drainage device according to claim 6, wherein: The flushing mechanism comprises a flushing pump, a flushing bottle and a liquid conveying hose, the side wall of the case is provided with a flushing clamping groove, the flushing bottle is clamped in the flushing clamping groove, the flushing pump is arranged in the case, the upper wall of the case is provided with a flushing input interface and a flushing output interface connected with the input end and the output end of the flushing pump respectively, the liquid conveying hose is connected between the flushing bottle and the flushing input interface, and the flushing hose is connected with the flushing output interface.

8. A clog-resistant drainage device according to claim 7, wherein: The negative pressure suction mechanism comprises a negative pressure pump, a drainage bottle and a negative pressure hose, the side wall of the case is provided with a drainage clamping groove, the negative pressure pump is arranged in the case, the drainage bottle is clamped in the drainage clamping groove, the upper wall of the case is provided with a negative pressure interface connected with the negative pressure pump, the negative pressure hose is connected between the negative pressure interface and the drainage bottle, and the drainage hose is connected with the drainage bottle.

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