CN219148919U

CN219148919U - Anti-countercurrent drainage tube

Info

Publication number: CN219148919U
Application number: CN202223431130.XU
Authority: CN
Inventors: 蔡元坤; 王会鹏
Original assignee: FIFTH PEOPLE'S HOSPITAL OF SHANGHAI
Current assignee: FIFTH PEOPLE'S HOSPITAL OF SHANGHAI
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-09
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of medical auxiliary equipment, and discloses an anti-reflux drainage tube, which comprises: the catheter body, the bottom of catheter body is provided with the negative pressure chamber, the inside of catheter body sets up single channel subassembly and hinders contrary layer rank, the bottom in negative pressure chamber is provided with and hinders contrary chamber, the top screw thread in hinder contrary chamber installs the screen cloth, the bottom fixed mounting who hinders contrary chamber has the fluid-discharge tube. This prevent flowing back drainage tube through setting up a plurality of hopper-shaped reverse-blocking steps in the pipeline to additionally increase the single channel subassembly, make siphon accomplish the back, the hydrops in the pipeline stop flowing back immediately, and, set up the screen cloth in single channel the place ahead, and be provided with the reverse-blocking steps of cross incision in the screen cloth the place ahead, be used for filtering the cubic condensate respectively and block the cubic condensate, prevent that it from reversing, and then increased the practical effect of drainage tube, ensure that it can accomplish the hydrops extraction.

Description

Anti-countercurrent drainage tube

Technical Field

The utility model relates to the technical field of medical auxiliary equipment, in particular to an anti-backflow drainage tube.

Background

There are many operations related to the use of drainage tubes in clinical medicine, wherein the types of drainage tubes are classified into many according to the operation type, and surgical drainage is used for guiding pus, blood and liquid accumulated in human tissues or cavities to the outside of the body so as to prevent postoperative infection and influence wound healing.

At present, the prior patent CN210873282U medical drainage tube is hard in general material and not easy to be wound and bound; the drainage tube is hooked to a place which is likely to cause the end to fall off from the human body, reinsertion is needed, and the problems of infection and the like can be caused when huge pain is caused to the patient, and improvement is carried out according to the problems, however, in the improvement process, the following defects are also caused:

when the effusion in the patient is extracted, continuous extraction is usually required, and the drainage bottle is poured in time, otherwise, the effusion in the drainage bottle flows backwards, and meanwhile, when the effusion extraction is finished, residual effusion in the pipe flows backwards due to the lack of suction in the pipe, so that the effusion extraction is incomplete, and further infection in the patient is easily caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-backflow drainage tube, which solves the problems mentioned in the background.

The utility model provides the following technical scheme: an anti-reflux drain comprising: the catheter body, the bottom of catheter body is provided with the negative pressure chamber, the inside of catheter body sets up single channel subassembly and hinders contrary layer rank, the bottom in negative pressure chamber is provided with and hinders contrary chamber, the top screw thread that hinders contrary chamber installs the screen cloth, the bottom fixed mounting who hinders contrary chamber has the fluid-discharge tube, the both sides in negative pressure chamber all screw thread installs the installation component, the inner wall sliding connection in negative pressure chamber has the supercharging subassembly.

Preferably, the number of the reverse blocking steps is a plurality of, the reverse blocking steps are uniformly distributed in the inner wall of the catheter body, the reverse blocking steps are in a horn shape, the horn-shaped small openings of the reverse blocking steps are arranged towards the negative pressure cavity, the number of the single-channel components is two, and the two single-channel components are respectively arranged on the inner wall of the catheter body close to two ends.

Preferably, the single-channel assembly comprises a ring, wherein the inner wall of the ring is provided with a non-return plate, the non-return plate is a hard plastic sheet, and the middle part of the non-return plate is provided with a cross incision.

Preferably, a limiting ring is arranged on the inner wall of the negative pressure cavity.

Preferably, the bottom of the back-blocking cavity inner wall is provided with a conical spring, the top of the conical spring is fixedly provided with a spherical plug, the top of the back-blocking cavity inner wall is concave arc-shaped, a through hole is formed in the center of the concave arc-shaped, and the diameter of the through hole is smaller than that of the spherical plug.

Preferably, the pressurizing assembly comprises a pressurizing piston, a piston rod is arranged on the side face of the pressurizing piston, one end, far away from the pressurizing piston, of the piston rod penetrates through the mounting assembly and is fixedly provided with a handle, and a clamping rod is arranged on the side face of the piston rod.

Preferably, the installation component includes the baffle, the side of baffle is provided with the regulation and control piece, logical groove has been seted up to the center department of baffle, just the both sides of logical inslot wall have all extended and have been seted up shape opening.

Compared with the prior art, the utility model has the following beneficial effects:

1. this prevent flowing back drainage tube through setting up a plurality of hopper-shaped reverse-blocking steps in the pipeline to additionally increase the single channel subassembly, make siphon accomplish the back, the hydrops in the pipeline stop flowing back immediately, and, set up the screen cloth in single channel the place ahead, and be provided with the reverse-blocking steps of cross incision in the screen cloth the place ahead, be used for filtering the cubic condensate respectively and block the cubic condensate, prevent that it from reversing, and then increased the practical effect of drainage tube, ensure that it can accomplish the hydrops extraction.

2. This prevent flowing backwards drainage tube utilizes the pressure boost subassembly round trip to adjust in the negative pressure chamber through setting up the negative pressure chamber, can give pipeline inside negative pressure after the siphon is ended, makes in the remaining hydrops inflow negative pressure chamber in the pipe body, further reduces the condition that the hydrops flowed backwards, has increased the feasibility of device, has improved the clean degree of device to the interior remaining hydrops of pipeline treatment.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the front cross-section of the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;

FIG. 6 is a schematic view of a single channel assembly of the present utility model;

FIG. 7 is a schematic view of a supercharging assembly according to the present utility model;

FIG. 8 is a schematic view of the mounting assembly of the present utility model.

In the figure: 1. a catheter body; 2. a negative pressure chamber; 21. a limiting ring; 3. a reverse blocking cavity; 31. a conical spring; 32. a spherical plug; 4. a liquid discharge pipe; 5. a mounting assembly; 51. a baffle; 52. a through groove; 53. a control block; 6. a pressurizing assembly; 61. a pressurizing piston; 62. a piston rod; 63. a handle; 64. a clamping rod; 7. a screen; 8. a single channel component; 81. a loop; 82. a non-return plate; 9. and (5) resisting the reverse layer level.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to FIGS. 1-8, an anti-reflux drain tube, comprising: the catheter body 1, the bottom of catheter body 1 is provided with negative pressure chamber 2, and the inside of catheter body 1 sets up single channel subassembly 8 and hinders contrary layer step 9, and the bottom in negative pressure chamber 2 is provided with hinders contrary chamber 3, hinders the top screw thread in contrary chamber 3 and installs screen cloth 7, and the bottom fixed mounting who hinders contrary chamber 3 has fluid-discharge tube 4, and installation component 5 is all installed to the both sides screw thread in negative pressure chamber 2, and the inner wall sliding connection in negative pressure chamber 2 has supercharging component 6.

Wherein; the quantity of the reverse-blocking layer steps 9 is a plurality of, and a plurality of reverse-blocking layer steps 9 are evenly distributed in the inner wall of the catheter body 1, the shape of the reverse-blocking layer steps 9 is horn-shaped, the small mouth of the reverse-blocking layer steps 9 in horn shape is arranged towards the negative pressure cavity 2, the quantity of the single-channel components 8 is two, the two single-channel components 8 are respectively arranged on the inner wall of the catheter body 1 close to two ends, the residual effusion in the catheter body 1 is blocked by utilizing the plurality of reverse-blocking layer steps 9 in a segmented mode, the difficulty of effusion backflow is increased, meanwhile, the single-channel components 8 are arranged, block-shaped condensate can be blocked, the reverse-back of the block-shaped condensate is prevented, and the cleanliness of the device for extracting the effusion is improved.

Wherein; the single channel assembly 8 includes the annular ring 81, and the inner wall of annular ring 81 is provided with the non-return board 82, and the non-return board 82 is hard plastic sheet, and the cross incision has been seted up at the middle part of non-return board 82, adopts the setting of the principle of heart valve, and the non-return board 82 is put together in place in an inverted way, utilizes its toughness, can be bent by the hydrops extraction in-process and form the passageway, makes the hydrops pass through, when waiting to stop the extraction, gathers together and is the closed state, reaches the adverse effect that hinders.

Wherein; the inner wall of the negative pressure cavity 2 is provided with a limiting ring 21, the limiting ring 21 is utilized to limit the movable range of the pressurizing assembly 6, and certain space can be reserved in the negative pressure cavity 2 to enable the screen 7 to work normally.

Wherein; the bottom of the inner wall of the reverse blocking cavity 3 is provided with a conical spring 31, the top of the conical spring 31 is fixedly provided with a spherical plug 32, the top of the inner wall of the reverse blocking cavity 3 is concave arc-shaped, a through hole is formed in the center of the concave arc-shaped, the diameter of the through hole is smaller than that of the spherical plug 32, the through hole of the reverse blocking cavity 3 can be immediately blocked under the condition that siphoning is stopped by utilizing the conical spring 31 and the spherical plug 32, the effect of sealing a pipeline is achieved, and the negative pressure in the catheter body 1 is conveniently and subsequently increased.

Wherein; the pressurizing assembly 6 comprises a pressurizing piston 61, a piston rod 62 is arranged on the side face of the pressurizing piston 61, one end, far away from the pressurizing piston 61, of the piston rod 62 penetrates through the mounting assembly 5 and is fixedly provided with a handle 63, a clamping rod 64 is arranged on the side face of the piston rod 62, the pressurizing piston 61 can be directly controlled to move by the aid of the handle 63, after siphon in the catheter body 1 is stopped, negative pressure in the catheter body 1 can be increased, residual accumulated liquid is further sucked into the negative pressure cavity 2, and backflow of the accumulated liquid is further prevented.

Wherein; the installation component 5 includes baffle 51, and the side of baffle 51 is provided with regulation and control piece 53, and logical groove 52 has been seted up to the center department of baffle 51, and the both sides of logical groove 52 inner wall all extend to have seted up shape opening, through set up shape opening at the logical groove 52 inner wall of installation component 5, make the draw-in bar 64 on the supercharging component 6 can pass through to with this and installation component 5 joint, improved the convenience when increasing the negative pressure.

According to the working principle, after siphoning in the device is stopped, the non-return plate 82 in the single channel assembly 8 can be immediately gathered together to be in a closed state, meanwhile, a plurality of non-return steps 9 in the catheter body 1 are used for sectionally stopping residual accumulated liquid in the catheter body 1, at the moment, the conical spring 31 in the non-return cavity 3 drives the spherical plug 32 to seal a through hole of the non-return cavity 3 due to lack of compressed suction force, then the pressurizing assembly 6 is pumped, after the clamping rod 64 is pumped out of the through groove 52, the handle 63 is rotated, the clamping rod 64 is clamped at one end of the through groove 52 along with rotation, the suction force in the pressurizing assembly 6 is increased by utilizing the movement of the pressurizing piston 61, the residual accumulated liquid in the catheter body 1 is sucked into the negative pressure cavity 2, and then the catheter body 1 for pumping the accumulated liquid is taken out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-reflux drain tube, comprising: catheter body (1), the bottom of catheter body (1) is provided with negative pressure chamber (2), the inside of catheter body (1) sets up single channel subassembly (8) and hinders contrary layer order (9), the bottom of negative pressure chamber (2) is provided with and hinders contrary chamber (3), the top screw thread that hinders contrary chamber (3) is installed screen cloth (7), the bottom fixed mounting that hinders contrary chamber (3) has fluid-discharge tube (4), installation component (5) are all installed to the both sides of negative pressure chamber (2) screw thread, the inner wall sliding connection of negative pressure chamber (2) has supercharging component (6).

2. The backflow prevention drainage tube according to claim 1, wherein the number of the reverse blocking steps (9) is a plurality, the reverse blocking steps (9) are uniformly distributed in the inner wall of the catheter body (1), the reverse blocking steps (9) are horn-shaped, the horn-shaped small openings of the reverse blocking steps (9) are arranged towards the negative pressure cavity (2), the number of the single channel components (8) is two, and the two single channel components (8) are respectively arranged on the inner wall of the catheter body (1) close to two ends.

3. An anti-reflux drainage tube according to claim 2, characterized in that the single channel assembly (8) comprises a ring (81), the inner wall of the ring (81) is provided with a non-return plate (82), the non-return plate (82) is a hard plastic sheet, and the middle part of the non-return plate (82) is provided with a cross cut.

4. An anti-reflux drainage tube according to claim 1, characterized in that the inner wall of the negative pressure chamber (2) is provided with a stop collar (21).

5. The backflow prevention drainage tube according to claim 1, wherein a conical spring (31) is arranged at the bottom of the inner wall of the backflow prevention cavity (3), a spherical plug (32) is fixedly arranged at the top of the conical spring (31), the top of the inner wall of the backflow prevention cavity (3) is in a concave arc shape, a through hole is formed in the center of the concave arc shape, and the diameter of the through hole is smaller than that of the spherical plug (32).

6. An anti-reflux drain according to claim 1, characterized in that the pressure increasing assembly (6) comprises a pressure increasing piston (61), a piston rod (62) is arranged on the side surface of the pressure increasing piston (61), one end of the piston rod (62) far away from the pressure increasing piston (61) penetrates through the mounting assembly (5) and is fixedly provided with a handle (63), and a clamping rod (64) is arranged on the side surface of the piston rod (62).

7. The anti-reflux drainage tube according to claim 1, wherein the installation component (5) comprises a baffle plate (51), a regulating block (53) is arranged on the side surface of the baffle plate (51), a through groove (52) is formed in the center of the baffle plate (51), and -shaped openings are formed in the two sides of the inner wall of the through groove (52) in an extending mode.