CN219307506U

CN219307506U - Medical waste liquid bag with backflow prevention function

Info

Publication number: CN219307506U
Application number: CN202222687815.4U
Authority: CN
Inventors: 陈宁
Original assignee: Suzhou Yongai Life Technology Co ltd
Current assignee: Suzhou Yongai Life Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-07-07
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a medical waste liquid bag with a backflow prevention function, which comprises a drainage bag body, a connecting pipe and a drainage tube, wherein the connecting pipe is fixedly connected to the top end of the drainage bag body; the backflow preventing device comprises a supporting piece, a sealing floating ball and a sealing seat, wherein the sealing floating ball is matched with the sealing seat, and the sealing seat is sleeved in the drainage tube. According to the utility model, by means of the arrangement mode of the connection cap and the backflow prevention device, the sealing floating ball moves upwards along with the rising of the liquid level until the sealing floating ball is attached to the inner wall of the sealing groove, and the sealing of the inner cavity of the sealing groove is realized through the sealing floating ball, so that the continuous inflow of liquid is prevented, the liquid in the drainage bag body can be prevented from flowing back to the drainage tube in a large amount, and the backflow of the liquid is prevented.

Description

Medical waste liquid bag with backflow prevention function

Technical Field

The utility model relates to the field of medical waste liquid bags, in particular to a medical waste liquid bag with a backflow prevention function.

Background

The medical waste liquid bag comprises a drainage bag, and the drainage bag for hepatobiliary surgery is a common medical product which is used for guiding bile, secretion and the like stored in a body cavity out of the body to the original place so as to prevent the accumulation in the body cavity or an operation field, secondary compression symptoms, infection or tissue damage. The change of the illness state can be found early by observing the drainage condition. After the patient is drained by the drainage bag, the purposes of relieving pressure, relieving pain, relieving inflammation, preventing inflammation diffusion and being beneficial to inflammation elimination can be achieved.

However, at present, the drainage bag for hepatobiliary surgery generally uses the drainage tube to drain liquid to the inside of drainage bag, but current drainage tube only has the drainage effect, does not possess the function of anti-reflux, and the internal liquid of drainage bag is full in the back possibly to the drainage tube in, has the risk of liquid backward flow.

Disclosure of Invention

The utility model aims to provide a medical waste liquid bag with a backflow prevention function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the medical waste liquid bag with the backflow prevention function comprises a drainage bag body, a connecting pipe and a drainage pipe, wherein the connecting pipe is fixedly connected to the top end of the drainage bag body, one end of the drainage pipe is sleeved on the top of the connecting pipe in a sliding manner, a connecting cap is sleeved on the top thread of the connecting pipe, the connecting cap is connected with the drainage pipe in a rotating and penetrating manner, and a backflow prevention device is arranged in the connecting pipe;

the backflow prevention device comprises a supporting piece, a sealing floating ball and a sealing seat, wherein the supporting piece is fixedly arranged at the bottom of an inner cavity of the connecting pipe, the sealing floating ball is arranged at the top of the supporting piece, the sealing floating ball and the bottom of the sealing seat are matched with each other, and the sealing seat is fixedly sleeved in the drainage tube.

Preferably, the bottom of sealing seat has seted up the seal groove, seal floater and seal groove mutually support, the inner chamber of seal groove is the round platform type.

Preferably, the sealing seat is further provided with a through groove inside, and the through groove is mutually communicated with the inner cavity of the sealing groove.

Preferably, the support member comprises a support seat and a plurality of connecting frames, wherein the connecting frames are fixedly connected to the outer wall of the support seat, and the connecting frames are fixedly connected with the inner wall of the connecting pipe.

Preferably, the clamping groove is formed in the top of the supporting seat, the inner wall of the clamping groove is an arc surface, and the sealing floating ball is matched with the inner cavity of the clamping groove.

Preferably, the outer wall of the drainage tube is fixedly sleeved with two limiting rings, one limiting ring is mutually attached to the top end of the connecting cap, and the other limiting ring is mutually attached to the top end of the inner wall of the connecting cap.

Preferably, the outer wall of the drainage tube is fixedly sleeved with a plurality of sealing rings, and the sealing rings are made of rubber.

Preferably, the bottom end of the drainage bag body is fixedly connected with a liquid discharge pipe, and a rotary switch is arranged on the liquid discharge pipe.

The utility model has the technical effects and advantages that:

(1) According to the utility model, by means of the arrangement mode of the connection cap and the backflow prevention device, the sealing floating ball moves upwards along with the rising of the liquid level until the sealing floating ball is attached to the inner wall of the sealing groove, and the sealing of the inner cavity of the sealing groove is realized through the sealing floating ball, so that the continuous inflow of liquid is prevented, the liquid in the drainage bag body can be prevented from flowing back to the drainage tube in a large amount, and the backflow of the liquid is prevented;

(2) According to the utility model, the sealing ring is mutually attached to the inner wall of the connecting pipe by using the arrangement mode of matching the drainage tube and the sealing ring, so that the tightness of the joint of the drainage tube and the connecting pipe is conveniently enhanced, and the outflow of liquid is prevented.

Drawings

Fig. 1 is a schematic diagram of the front structure of the present utility model.

FIG. 2 is a schematic view showing the internal structure of the connecting pipe of the present utility model.

FIG. 3 is a schematic view showing the internal structure of the drainage tube of the present utility model.

Fig. 4 is a schematic view of a three-dimensional structure of a seal ring according to the present utility model.

In the figure: 1. a drainage bag body; 2. a connecting pipe; 3. a drainage tube; 4. a connecting cap; 5. a support; 51. a support base; 52. a connecting frame; 6. sealing the floating ball; 7. a sealing seat; 8. a limiting ring; 9. a seal ring; 10. a liquid discharge pipe; 11. a rotary switch.

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.

The utility model provides a medical waste liquid bag with a backflow prevention function as shown in figures 1-4, which comprises a drainage bag body 1, a connecting pipe 2 and a drainage pipe 3, wherein the connecting pipe 2 is fixedly connected to the top end of the drainage bag body 1, one end of the drainage pipe 3 is sleeved on the top of the connecting pipe 2 in a sliding manner, a connecting cap 4 is sleeved on the top thread of the connecting pipe 2, the connecting cap 4 is connected with the drainage pipe 3 in a rotating and penetrating manner, two limiting rings 8 are fixedly sleeved on the outer wall of the drainage pipe 3, one limiting ring 8 is mutually attached to the top end of the connecting cap 4, the other limiting ring 8 is mutually attached to the top end of the inner wall of the connecting cap 4, and the two limiting rings 8 are matched with the limiting rings through rotating and penetrating manner of the connecting cap 4 and limiting of the two limiting rings 8, so that the drainage pipe 3 can be pushed by rotating through threads of the connecting cap 4, the drainage pipe 3 can move downwards relative to the connecting pipe 2, and a backflow prevention device is arranged inside the connecting pipe 2.

The backflow preventing device comprises a supporting piece 5, a sealing floating ball 6 and a sealing seat 7, wherein the supporting piece 5 is fixedly arranged at the bottom of an inner cavity of the connecting pipe 2, the sealing floating ball 6 is arranged at the top of the supporting piece 5, the sealing floating ball 6 is matched with the bottom of the sealing seat 7, the sealing seat 7 is fixedly sleeved in the drainage tube 3, the supporting piece 5 is convenient for bearing the position of the sealing floating ball 6, and the sealing seat 7 is convenient for being matched with the sealing floating ball 6 to seal the inner cavity of the drainage tube 3.

The sealing groove has been seted up to the bottom of sealing seat 7, and sealing float 6 and sealing groove mutually support, and the inner chamber of sealing groove is the round platform type, and logical groove has still been seted up to the inside of sealing seat 7, leads to the inner chamber intercommunication of groove and sealing groove, and sealing float 6 come-up back complete joint advances the inner chamber of sealing groove to alright seal up the inner chamber of sealing seat 7 through sealing float 6, just also be convenient for seal up the inner chamber of drainage tube 3.

The support piece 5 includes supporting seat 51 and link 52, and a plurality of link 52 fixed connection are in the outer wall of supporting seat 51, and link 52 and the inner wall fixed connection of connecting pipe 2, and the draw-in groove has been seted up at the top of supporting seat 51, and the inner wall of draw-in groove is the arc surface, and sealed floater 6 is mutually supported with the inner chamber of draw-in groove, is convenient for carry out spacing bearing to sealed floater 6 through the draw-in groove, is convenient for support sealed floater 6's position through supporting seat 51, prevents sealed floater 6's whereabouts.

The outer wall of drainage tube 3 is fixed to be cup jointed a plurality of sealing washer 9, and the material of sealing washer 9 is rubber, and sealing washer 9 laminating each other with the inner wall of connecting pipe 2 to be convenient for strengthen the leakproofness of drainage tube 3 and connecting pipe 2 junction, prevent the outflow of liquid.

The bottom fixedly connected with fluid-discharge tube 10 of drainage bag body 1 is provided with rotary switch 11 on the fluid-discharge tube 10, and when liquid is about to be full of drainage bag body 1 inside, medical personnel rotatable rotary switch 11, fluid-discharge tube 10 opens this moment, and the liquid in the drainage bag body 1 is discharged through fluid-discharge tube 10. After the liquid in the drainage bag body 1 is discharged, the medical staff can reversely rotate the rotary switch 11, at the moment, the liquid discharge pipe 10 is closed, the drainage bag body 1 can be continuously used, and a new drainage bag body 1 is not required to be replaced.

The working principle of the utility model is as follows:

in use, the liquid needing to be poured into the inner cavity of the drainage bag body 1 flows into the inner cavity of the drainage tube 3, then flows downwards continuously after passing through the through groove and the inner cavity of the sealing groove on the sealing seat 7, then enters into the inner cavity of the drainage bag body 1 through the inner cavity of the connecting pipe 2, when the inner cavity of the drainage bag body 1 is full of the liquid, the liquid level rises to the inner cavity of the connecting pipe 2, as the sealing floating ball 6 is of a hollow structure and can float on the liquid level, the sealing floating ball 6 moves upwards along with the rising of the liquid level until the sealing floating ball 6 is attached to the inner wall of the sealing groove, the sealing floating ball 6 is used for sealing the inner cavity of the sealing groove, so that the continuous inflow of the liquid is prevented, the liquid can be prevented from flowing back into the inner cavity of the drainage tube 3 in a large amount, the backflow of the liquid is prevented, when the inner cavity of the connecting pipe 2 needs to be thoroughly sealed, the connecting cap 4 is rotated downwards relative to the connecting pipe 2, then the connecting cap 4 can drive the sealing floating ball 3 to move downwards under the limit of the limit ring 8, so that the sealing seat 7 moves downwards along the direction of the sealing floating ball 6, until the bottom of the sealing floating ball 7 is matched with the sealing floating ball 6, the sealing floating ball 6 can thoroughly seal the sealing floating ball, and the sealing ball 3 in the sealing process can be thoroughly sealed by the sealing seat 3, and the sealing floating ball 3.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The medical waste liquid bag with the backflow prevention function comprises a drainage bag body (1), a connecting pipe (2) and a drainage pipe (3), and is characterized in that the connecting pipe (2) is fixedly connected to the top end of the drainage bag body (1), one end of the drainage pipe (3) is in sliding sleeve connection with the top of the connecting pipe (2), a connecting cap (4) is in threaded sleeve connection with the top of the connecting pipe (2), the connecting cap (4) is in rotary penetrating connection with the drainage pipe (3), and a backflow prevention device is arranged in the connecting pipe (2);

the backflow prevention device comprises a supporting piece (5), a sealing floating ball (6) and a sealing seat (7), wherein the supporting piece (5) is fixedly installed at the bottom of an inner cavity of a connecting pipe (2), the sealing floating ball (6) is arranged at the top of the supporting piece (5), the sealing floating ball (6) is matched with the bottom of the sealing seat (7), and the sealing seat (7) is fixedly sleeved in the drainage tube (3).

2. The medical waste liquid bag with the backflow prevention function according to claim 1, wherein a sealing groove is formed in the bottom of the sealing seat (7), the sealing floating ball (6) is matched with the sealing groove, and the inner cavity of the sealing groove is in a circular truncated cone shape.

3. The medical waste liquid bag with the backflow prevention function according to claim 1, wherein a through groove is further formed in the sealing seat (7), and the through groove is communicated with the inner cavity of the sealing groove.

4. The medical waste bag with the backflow prevention function according to claim 1, wherein the supporting member (5) comprises a supporting seat (51) and a connecting frame (52), a plurality of connecting frames (52) are fixedly connected to the outer wall of the supporting seat (51), and the connecting frame (52) is fixedly connected with the inner wall of the connecting pipe (2).

5. The medical waste liquid bag with the backflow prevention function according to claim 4, wherein a clamping groove is formed in the top of the supporting seat (51), the inner wall of the clamping groove is an arc surface, and the sealing floating ball (6) is matched with the inner cavity of the clamping groove.

6. The medical waste liquid bag with the backflow prevention function according to claim 1, wherein two limiting rings (8) are fixedly sleeved on the outer wall of the drainage tube (3), one limiting ring (8) is mutually attached to the top end of the connecting cap (4), and the other limiting ring (8) is mutually attached to the top end of the inner wall of the connecting cap (4).

7. The medical waste liquid bag with the backflow prevention function according to claim 1, wherein a plurality of sealing rings (9) are fixedly sleeved on the outer wall of the drainage tube (3), and the sealing rings (9) are made of rubber.

8. The medical waste liquid bag with the backflow prevention function according to claim 1, wherein a liquid discharge pipe (10) is fixedly connected to the bottom end of the drainage bag body (1), and a rotary switch (11) is arranged on the liquid discharge pipe (10).