CN211383000U - An improved disposable negative pressure bottle - Google Patents

Abstract

The utility model discloses an improved disposable negative pressure bottle, comprising a bottle body, a negative pressure pipe, an air suction pipe and a bottle stopper. A scale bar is evenly arranged on one side of the bottle body, and a top inside the bottle body is provided with a scale bar. There is a sealing groove, the top of the bottle body is movably connected with a bottle plug, and the bottom end of the bottle plug is fixedly connected with an elastic sealing ring, the elastic sealing ring is movably connected with the sealing groove, and one side of the top of the bottle plug is fixedly connected There is a hose, and a negative pressure pipe is fixedly connected to the top of the bottle stopper on one side of the hose. The utility model is provided with an elastic sealing ring, a rubber ring and a sealing groove, which facilitates the elastic expansion and contraction of the elastic sealing ring, and facilitates the installation or removal of the bottle stopper. to prevent air leakage.

Description

An improved disposable negative pressure bottle

technical field

The utility model relates to the technical field of medical devices, in particular to an improved disposable negative pressure bottle.

Background technique

At present, disposable negative pressure bottles are widely used in various clinical departments, mainly used for medical drainage, expectoration, sewage blood and secretions, etc. However, during the use of the existing disposable negative pressure vials, there are often air leaks The phenomenon occurs, every time the connection must be opened and pumped to form a negative pressure again, which increases the chance of pollution and increases the workload of medical staff. After pumping, it needs to be wrapped with a closed film dressing to prevent leakage. A piece of film-type sterile dressing costs at least 5-10 yuan, and some negative pressure vials often require multiple pumping to achieve negative pressure or replace a new negative pressure bottle, which increases the cost of the patient. An improved disposable negative pressure bottle is proposed to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of improved disposable negative pressure bottle, in order to solve the phenomenon of frequent air leakage proposed in the above-mentioned background technology, the negative pressure can be formed again only by opening the connection at each time and pumping air, increasing the This reduces the chance of contamination, and also increases the workload of medical staff. After pumping, it is necessary to wrap the airtight film dressing to prevent air leakage.

In order to achieve the above purpose, the utility model provides the following technical solutions: an improved disposable negative pressure bottle, comprising a bottle body, a negative pressure tube, an air extraction tube and a bottle stopper, and one side of the bottle body is evenly provided with a scale bar, The inner top of the bottle body is provided with a sealing groove, the top end of the bottle body is movably connected with a bottle stopper, and the bottom end of the bottle stopper is fixedly connected with an elastic sealing ring, the elastic sealing ring is movably connected with the sealing groove, and the One side of the top of the bottle stopper is fixedly connected with a hose, and the top of the bottle stopper on one side of the hose is fixedly connected with a negative pressure pipe, and the side of the negative pressure pipe away from the hose is fixedly connected with an air extraction pipe, and the A one-way valve is fixedly connected at the middle position, a groove body is arranged inside the one-way valve, a switch clamp is sleeved on the negative pressure pipe above the air suction pipe, and one end of the switch clamp is fixedly connected with a first threaded head The other end of the switch clip is fixedly connected with a second thread head, and the outer sides of the second thread head and the first thread head are sleeved with a locking ring, and the top end of the negative pressure tube is fixedly connected with a needle head.

Preferably, the needle and the negative pressure tube are connected by threads.

Preferably, the cross sections of the first threaded head and the second threaded head are both set in a semicircular shape, and the outer sides of the first threaded head and the second threaded head are uniformly provided with external threads, and the inner side of the locking ring is uniformly provided There is an inner thread matched with the outer thread, and the locking ring is fixedly connected with the first thread head and the second thread head.

Preferably, both sides of the one-way valve are provided with through holes, and the through holes are all communicated with the air extraction pipe.

Preferably, a rubber ring is sleeved on the outer side of the elastic sealing ring.

Preferably, a fixed block is fixedly connected to the top of the inside of the tank body, and the bottom end of the fixed block is hingedly connected with a partition plate through the rotating shaft, and the bottom end of the inside of the tank body on the side of the partition plate close to the negative pressure pipe is fixedly connected with a partition plate. The baffle, and the top end of the baffle is movably connected with the bottom end of the partition.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) The device is equipped with an elastic sealing ring, a rubber ring and a sealing groove, which facilitates the elastic expansion and contraction of the elastic sealing ring, and facilitates the installation or removal of the bottle stopper. Airtightness to prevent air leakage;

(2) The device is equipped with a one-way valve, a groove body, a baffle plate, a fixed block, a rotating shaft and a baffle plate, so that when the syringe is used for pumping, the baffle plate is rotated by the suction force under the action of the rotating shaft, so that the one-way valve is opened, When the pumping is completed, the syringe is drawn out. Due to the negative pressure inside the bottle body, the separator is reconnected to the baffle under the action of the pressure difference, so that the one-way valve is closed, and the pumping is more convenient and reliable, which can reduce the pollution of the negative pressure tube and prevent the Wound infection;

(3) The device is installed with a switch clamp, a first threaded head, a second threaded head and a locking ring, so that it is convenient to move along the first threaded head and the second threaded head through the locking ring, so that the switch clamp can switch the negative pressure pipe , when the locking ring is clamped to draw air, it can be judged whether there is air leakage in the bottle body. When the locking ring is opened to draw air, it can be judged whether the side hole of the drainage tube connecting to the patient is protruding from the skin or there is air leakage outside the skin, which is helpful for medical staff to judge and treat.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

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

Fig. 2 is the front view sectional structure schematic diagram of the utility model;

3 is a schematic diagram of the internal structure of the one-way valve of the present invention;

FIG. 4 is a schematic top view structure diagram of the switch clip of the present invention.

In the picture: 1. Bottle body; 2. Hose; 3. Switch clip; 4. Needle; 5. Negative pressure pipe; 6. First thread head; 7. One-way valve; 8. Air suction pipe; 9. Bottle stopper ;10, scale bar; 11, elastic sealing ring; 12, rubber ring; 13, locking ring; 14, sealing groove; 15, shaft; 16, fixing block; 17, partition plate; 18, groove body; 19, pass through hole; 20, baffle plate; 21, second thread head.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-4, an embodiment provided by the present utility model: an improved disposable negative pressure bottle, comprising a bottle body 1, a negative pressure tube 5, an air suction tube 8 and a bottle stopper 9. A scale bar 10 is evenly arranged on the side, a sealing groove 14 is arranged at the top of the bottle body 1, a bottle stopper 9 is movably connected to the top end of the bottle body 1, and an elastic sealing ring 11 is fixedly connected to the bottom end of the bottle body 1. The elastic sealing ring 11 The outer sleeve is provided with a rubber ring 12;

Specifically, as shown in FIG. 2 , during use, the sealing performance of the connection between the bottle stopper 9 and the bottle body 1 can be enhanced by the rubber ring 12;

The elastic sealing ring 11 is movably connected with the sealing groove 14, the hose 2 is fixedly connected to one side of the top end of the bottle stopper 9, and the top end of the bottle stopper 9 on the side of the hose 2 is fixedly connected to a negative pressure tube 5, and the negative pressure tube 5 is far away from the soft tube. One side of the pipe 2 is fixedly connected with an air extraction pipe 8, and the middle position of the air extraction pipe 8 is fixedly connected with a one-way valve 7. Both sides of the one-way valve 7 are provided with through holes 19, and the through holes 19 are connected with the air extraction pipe 8. Pass;

Specifically, as shown in FIG. 3 , when in use, it is convenient to carry out air extraction through the air extraction pipe 8 through the through hole 19;

The inside of the one-way valve 7 is provided with a groove body 18, the top of the groove body 18 is fixedly connected with a fixed block 16, and the bottom end of the fixed block 16 is hinged with a partition plate 17 through the rotating shaft 15, and the partition plate 17 is close to the negative pressure pipe 5. The bottom end inside the side groove body 18 is fixedly connected with a baffle plate 20, and the top end of the baffle plate 20 is movably connected with the bottom end of the partition plate 17;

Specifically, as shown in FIG. 1 and FIG. 3 , when in use, connect a syringe to the outer end of the suction pipe 8, and pump air out through the syringe, at this time, the baffle 17 is rotated by the suction force under the action of the rotating shaft 15, so that the one-way valve 7. Open, when the pumping is completed, the syringe is drawn out. Due to the negative pressure inside the bottle body 1, the baffle 17 is reconnected to the baffle 20 under the action of the pressure difference, so that the one-way valve 7 is closed;

A switch clamp 3 is sleeved on the negative pressure pipe 5 above the air extraction pipe 8, one end of the switch clamp 3 is fixedly connected with a first threaded head 6, and the other end of the switch clamp 3 is fixedly connected with a second threaded head 21, the second threaded head 21 and the outer side of the first thread head 6 are sleeved with a locking ring 13;

The cross-sections of the first threaded head 6 and the second threaded head 21 are both set in a semicircular shape, and the first threaded head 6 and

The outer side of the second thread head 21 is uniformly provided with an outer thread, the inner side of the locking ring 13 is uniformly provided with an inner thread matching the outer thread, and the locking ring 13 is fixed with the first thread head 6 and the second thread head 21 connect;

Specifically, as shown in FIG. 1 and FIG. 4 , during use, by rotating the locking ring 13 , the locking ring 13 can be moved along the first thread head 6 and the second thread head 21 , so as to switch the negative pressure through the switch clip 3 tube 5;

A needle 4 is fixedly connected to the top of the negative pressure tube 5;

The needle 4 and the negative pressure tube 5 are connected by threads;

Specifically, as shown in FIG. 1 and FIG. 2 , during use, the threaded connection has better sealing performance, and at the same time, it is convenient to install and remove the needle 4 .

Working principle: When in use, connect a syringe to the outer end of the suction pipe 8, and pump air out through the syringe. At this time, the baffle 17 is rotated by the suction force under the action of the rotating shaft 15, so that the one-way valve 7 is opened for pumping. When pumping, the syringe is pulled out. Due to the negative pressure inside the bottle body 1, the partition 17 is reconnected to the baffle plate 20 under the action of the pressure difference, so that the one-way valve 7 is closed. At this time, the air pressure inside the bottle body 1 is low, and the needle 4 and the negative pressure tube 5 can be used for medical drainage to treat patients. In use, through the elastic expansion and contraction of the elastic sealing ring 11 and the rubber ring 12, it can be tightly combined with the sealing groove 14, so as to improve the sealing performance of the bottle body 1 , to prevent the phenomenon of air leakage, and at the same time, by rotating the locking ring 13, the locking ring 13 can be moved along the first threaded head 6 and the second threaded head 21, so as to switch the negative pressure pipe 5 through the switch clamp 3, when the clamp When the upper locking ring 13 is pumped, it can be judged whether there is air leakage in the bottle body 1, and when the locking ring 13 is opened, it can be judged whether the side hole of the needle 4 is protruding from the subcutaneous or there is air leakage outside the skin, which is helpful for medical personnel to judge and treat. , the above is the whole working principle of the utility model.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. The utility model provides a disposable negative pressure bottle of improvement type, includes bottle (1), negative pressure pipe (5), exhaust tube (8) and bottle plug (9), its characterized in that: the bottle is characterized in that scale strips (10) are uniformly arranged on one side of the bottle body (1), a sealing groove (14) is formed in the top end of the interior of the bottle body (1), a bottle stopper (9) is movably connected to the top end of the bottle body (1), an elastic sealing ring (11) is fixedly connected to the bottom end of the bottle stopper (9), the elastic sealing ring (11) is movably connected with the sealing groove (14), a hose (2) is fixedly connected to one side of the top end of the bottle stopper (9), a negative pressure pipe (5) is fixedly connected to the top end of the bottle stopper (9) on one side of the hose (2), an exhaust pipe (8) is fixedly connected to one side, away from the hose (2), of the negative pressure pipe (5), a one-way valve (7) is fixedly connected to the middle position of the exhaust pipe (8), a groove body (18) is arranged in the interior of the one-way valve, and one end of the switch clamp (3) is fixedly connected with a first threaded head (6), the other end of the switch clamp (3) is fixedly connected with a second threaded head (21), the outer side of the second threaded head (21) and the outer side of the first threaded head (6) are sleeved with locking rings (13), and the top end of the negative pressure tube (5) is fixedly connected with a needle head (4).

2. An improved disposable negative pressure bottle as defined in claim 1, wherein: the needle head (4) is connected with the negative pressure pipe (5) through threads.

3. An improved disposable negative pressure bottle as defined in claim 1, wherein: the cross sections of the first threaded head (6) and the second threaded head (21) are semicircular, external threads are uniformly arranged on the outer sides of the first threaded head (6) and the second threaded head (21), internal threads matched with the external threads are uniformly arranged on the inner side of the locking ring (13), and the locking ring (13) is fixedly connected with the first threaded head (6) and the second threaded head (21).

4. An improved disposable negative pressure bottle as defined in claim 1, wherein: through holes (19) are formed in the two sides of the one-way valve (7), and the through holes (19) are communicated with the air exhaust pipe (8).

5. An improved disposable negative pressure bottle as defined in claim 1, wherein: the outer side of the elastic sealing ring (11) is sleeved with a rubber ring (12).

6. An improved disposable negative pressure bottle as defined in claim 1, wherein: the inside top fixedly connected with fixed block (16) of cell body (18), and the bottom of fixed block (16) has baffle (17) through pivot (15) activity hinge joint, baffle (17) are close to the inside bottom fixedly connected with baffle (20) of cell body (18) of negative pressure pipe (5) one side, and the bottom swing joint of the top of baffle (20) and baffle (17).

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