CN210932954U - Postoperative drainage device - Google Patents

Abstract

The utility model relates to a postoperative drainage device, which comprises a bag body, wherein a tube connecting component is arranged at the port of the bag body, the tube connecting component is of a through structure, and the through part is a serpentine channel; one end of the pipe connecting component is provided with a conical discharging component which is positioned in the bag body; one end of the conical discharging assembly, which is far away from the pipe connecting assembly, is a discharging hole; the toper ejection of compact subassembly dustcoat is equipped with keeps apart ejection of compact subassembly, keep apart ejection of compact subassembly and keep away from the one end of connecing the pipe assembly is equipped with the feed inlet, keep apart ejection of compact subassembly and be flexible material. The beneficial effects are that: the flexible isolating and discharging assembly can effectively prevent the liquid from flowing back, and the normal drainage operation cannot be influenced because the isolating and discharging assembly has better one-way circulation; through toper ejection of compact subassembly, provide better drainage direction for with the liquid drainage.

Description

Postoperative drainage device

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to a drainage device.

Background

Some surgical patients require the use of a drainage device after surgery; the drainage device is mainly used for drainage of body fluid or tissue exudate of a patient, the body fluid is drained into the drainage bag through the drainage tube during drainage, and the body fluid can be drained from the bottom of the drainage bag through the liquid outlet valve after the drainage bag is full.

However, the liquid outlet valve of the drainage bag is generally in a closed state; after the liquid in the drainage bag explodes, if not discover liquid discharge in time, can cause the unable drainage bag that gets into of liquid in the drainage tube for hydraulic pressure is more than or equal to hydraulic pressure in the body in the drainage bag, and at this moment, the liquid in the drainage bag takes place easily and flows back the problem in the drainage tube.

In most cases, nursing staff can look after the drainage device, can monitor whether the drainage bag is full quickly, and can pay special attention to whether a backflow phenomenon occurs in the moving process; however, since the manual monitoring is completely relied on, which is prone to error and has a great influence on the patient due to the reverse flow, some automatic anti-reverse flow device is required.

In order to solve the above problems, technicians have made some improvements to the drainage device, such as the technique disclosed in the patent CN 109316638A, by disposing glass beads in the rubber tube and using a flow valve in cooperation to realize the buffering time of the reverse flow, the reaction time of the medical staff is increased to prevent the reverse flow; however, the above device is complicated to operate, cannot achieve automatic backflow prevention well, and finally medical personnel are required to operate the drainage device to achieve backflow prevention;

or as the technology disclosed in the patent document CN 202740486U, the reverse flow prevention operation is performed through a flexible membrane with one movable end, however, since the hydraulic pressure in the tube body is too low in the drainage operation, when the fluid passes through the membrane, the flow of the fluid does not necessarily enable the membrane to be separated from the arc-shaped baffle, thereby affecting the normal entry of the fluid into the drainage bag, if the flexibility of the membrane is too high, the fluid in the drainage bag is likely to press the membrane outwards, and after the membrane deforms outwards, the fluid in the drainage bag flows back;

for example, the technique disclosed in CN 204395071U patent document can better prevent the backflow of liquid, but the structure of the device is too complex to be well suited for clinical use;

therefore, although the technology can realize the anti-backflow operation of the liquid to a certain extent, the technology has limitations, and can not completely realize the problems of automatic anti-backflow, negative influence on the normal drainage of the liquid, complex equipment structure and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a postoperative drainage device has mainly solved prior art and can not realize completely that automatic anti-reflux, can produce negative effects or equipment structure complicated scheduling problem to the normal drainage of liquid.

In order to solve the problem, the utility model adopts the following technical scheme:

a postoperative drainage device, which comprises a bag body, wherein a connecting pipe component is arranged at the port of the bag body,

the connecting pipe assembly is of a through structure, wherein the through part is a snake-shaped channel;

one end of the pipe connecting component is provided with a conical discharging component which is positioned in the bag body;

one end of the conical discharging assembly, which is far away from the pipe connecting assembly, is a discharging hole;

the toper ejection of compact subassembly dustcoat is equipped with keeps apart ejection of compact subassembly, keep apart ejection of compact subassembly and keep away from the one end of connecing the pipe assembly is equipped with the feed inlet, keep apart ejection of compact subassembly and be flexible material.

Preferably, a buffer space is formed between the conical discharging assembly and the isolating discharging assembly.

Preferably, the serpentine channel is communicated with the buffer space through a discharge hole.

Preferably, the buffer space is communicated with the storage space of the bag body through the feed inlet.

Preferably, the inner diameter of the feed inlet is smaller than that of the discharge outlet.

Preferably, the length of the isolated take-off assembly is greater than the length of the conical take-off assembly.

Preferably, the conical discharging component is made of elastic rubber.

Preferably, the isolation discharging component is a film-shaped material.

The utility model has the advantages that:

1. the flexible isolating and discharging assembly can effectively prevent the liquid from flowing back, and the normal drainage operation cannot be influenced because the isolating and discharging assembly has better one-way circulation;

2. through the conical discharging assembly, better drainage guide is provided for liquid drainage;

3. the equipment structure is simple, the equipment setting can be completed during production, and the clinical use of the device is convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a reference diagram of the anti-reflux state in use of the present invention.

In the figure:

the bag body 10, the storage space 11, the isolation discharging component 20, the feeding hole 21, the conical discharging component 30, the discharging hole 31, the pipe connecting component 40, the serpentine channel 41 and the buffer space 50.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, a postoperative drainage device comprises a bag body 10, wherein a tube connecting component 40 is arranged at a port of the bag body 10, a drainage tube is sleeved on the tube connecting component 40, and the tube connecting component 40 is arranged at the port of the bag body 10;

the connecting pipe assembly 40 is of a through structure, wherein the through part is a serpentine channel 41; then the liquid in the drainage tube passes through the serpentine channel 41 and enters the bag body 10;

the snakelike bent pipe is provided with a plurality of bent heads, when the liquid pressure in the drainage bag is higher, the plurality of bent heads can play a role in increasing the friction force of fluid in the pipe, the flow speed can be reduced to a certain extent, the hydraulic pressure can be reduced, and the influence of the bent heads on the flow speed of the liquid is larger when the flow speed is larger; in addition, because the liquid in the drainage process slowly flows into the drainage bag, the requirement on the flow speed is low (the influence by the elbow is small) during normal drainage;

referring to fig. 2, a conical discharging component 30 is disposed at one end of the pipe connecting component 40, and the conical discharging component 30 is located in the bag body 10; the drainage liquid firstly passes through the snake-shaped channel and then passes through the conical main material component 30;

the end of the conical discharging component 30 away from the pipe connecting component 40 is a discharging hole 31;

the outer cover of toper ejection of compact subassembly 30 is equipped with keeps apart ejection of compact subassembly 20, keep apart ejection of compact subassembly 20 and keep away from the one end that connects pipe assembly 40 is equipped with feed inlet 21, keep apart ejection of compact subassembly 20 and be flexible material, keep apart ejection of compact subassembly 20 flexibility great, it can attach in the lateral surface of toper ejection of compact subassembly 30.

A buffer space 50 is formed between the conical discharging assembly 30 and the isolating discharging assembly 20; the drainage liquid enters the buffer space 50 after passing through the discharge hole 31;

the serpentine channel 41 communicates with the buffer space 50 through the discharge port 31.

The buffer space 50 is communicated with the storage space 11 of the bag body 10 through the feed opening 21.

The inner diameter of the feed opening 21 is smaller than that of the discharge opening 31, so that the conical discharge assembly 30 cannot penetrate through the feed opening 21; as in fig. 3, after the liquid in the bag body is full or the bag body is squeezed, the shape of the isolation discharging component 20 is changed, under the action of the reverse liquid, the isolation discharging component 20 can be attached to the outside of the conical discharging component 30, at this time, the inner side wall of the isolation discharging component 20 can cover the discharging port 31, and meanwhile, after the isolation discharging component 20 is deformed, the shrinkage of the feeding port 21 is not beneficial to the reverse flow of the liquid, thereby playing the role of preventing the liquid from flowing reversely outwards from the bag body storage space 11.

The length of the isolated discharging component 20 is larger than that of the conical discharging component 30, so that the isolated discharging component 20 can better cover the conical discharging component 30;

the conical discharging assembly 30 is made of elastic rubber, the conical discharging assembly 30 cannot deform under the action of liquid shaking, and the conical discharging assembly can keep a conical shape; under the external larger pressure (such as the extrusion of human hands), the conical discharging component 30 can be extruded and deformed;

the isolating and discharging assembly 20 is made of a film-shaped material, so that the film-shaped material has better deformability in liquid and has flexibility similar to that of a plastic bag.

The utility model discloses a working method does:

as shown in FIG. 2, as liquid passes from the draft tube, the liquid passes from the serpentine channel 41 through the tapered discharge assembly 30 and then from the discharge port 31 into the buffer space 50;

the liquid flows from the buffer space 50 through the feed opening 21 into the storage space 11; when the liquid flows from the storage space 11 of the buffer space 50, as the isolating and discharging assembly 20 is conical, as shown in the figure, the liquid flowing direction is from the large end to the small end of the isolating and discharging assembly 20, the isolating and discharging assembly 20 can well keep conical shape in the liquid flowing process, and the normal flowing of the liquid cannot be influenced;

when the bag body is full of liquid or the bag body is extruded, the liquid in the storage space 11 has a tendency of flowing reversely from the feed opening 21; at this time, the isolating discharging component 20 is subjected to external force from outside to inside,

the serpentine channel 41 also reduces the flow velocity of the liquid flowing reversely, and improves the anti-reverse flow capacity; the isolation discharging component 2 can not keep a good taper at this time; the situation in fig. 3 will now occur;

as shown in fig. 3, when the isolated discharging assembly 20 is subjected to an external force from outside to inside, the cone shape thereof is damaged, and the side wall of the isolated discharging assembly 20 covers the discharging hole 31 of the cone-shaped discharging assembly 30; thereby ensuring that the liquid cannot flow reversely from the discharge port 31 when the hydraulic pressure of the storage space 11 is in a certain range.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model is based on the appended claims.

Claims (9)

1. A postoperative drainage device, includes bag body (10), bag body (10) port is equipped with extension of tubes subassembly (40), its characterized in that:

the connecting pipe assembly (40) is of a through structure, wherein the through part is a serpentine channel (41);

one end of the pipe connecting component (40) is provided with a conical discharging component (30), and the conical discharging component (30) is positioned in the bag body (10);

one end of the conical discharging component (30) far away from the pipe connecting component (40) is provided with a discharging hole (31);

the conical discharging assembly (30) is covered with an isolation discharging assembly (20), one end, far away from the pipe connecting assembly (40), of the isolation discharging assembly (20) is provided with a feeding hole (21), and the isolation discharging assembly (20) is made of flexible materials.

2. A post-operative drainage device according to claim 1, wherein: a buffer space (50) is formed between the conical discharging component (30) and the isolating discharging component (20).

3. A post-operative drainage device according to claim 2, wherein: the serpentine channel (41) is communicated with the buffer space (50) through a discharge hole (31).

4. A post-operative drainage device according to claim 3, wherein: the buffer space (50) is communicated with the storage space (11) of the bag body (10) through the feed opening (21).

5. A post-operative drainage device according to claim 1, wherein: the inner diameter of the feed inlet (21) is smaller than that of the discharge outlet (31).

6. A post-operative drainage device according to claim 4, wherein: the length of the isolated discharging component (20) is larger than that of the conical discharging component (30).

7. A post-operative drainage device according to claim 1, wherein: the conical discharging component (30) is made of elastic rubber.

8. A post-operative drainage device according to claim 2, wherein: the isolating and discharging assembly (20) is made of a film-shaped material.

9. A post-operative drainage device according to claim 1, wherein: the isolation discharging component (20) is conical.

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