CN211675589U - Device for preventing central negative pressure suction backflow - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, in particular to a device for preventing central negative pressure suction and backflow, which comprises a wall body, wherein a function board is arranged on the wall body, a negative pressure treatment joint is arranged on the function board, the negative pressure treatment joint is hermetically connected with a pressure pipe, a fixed plate is fixedly connected below the wall body, one side of the fixed plate is detachably connected with a monitoring box, the pressure pipe is hermetically connected with the monitoring box through a suction pipe, and the monitoring box is hermetically connected with a sputum collection bag through a connecting pipe; the liquid level probe contact in sputum and the monitoring tube, the alarm lamp warns this moment to make medical personnel in time change, make the sputum can not get into the pressure pipe, thereby get into negative pressure treatment and connect inside, avoided because the influence that flows backward and cause equipment, and the sputum generally has the adhesion, operating personnel can directly demolish the monitoring box this moment, and wash the monitoring tube inside, thereby avoided cross contamination's the condition to appear.

Description

Device for preventing central negative pressure suction backflow

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to prevent central negative pressure suction device of flowing backward.

Background

The sputum aspiration refers to a method for sucking the secretion of respiratory tract through oral cavity, nasal cavity and artificial airway to keep the respiratory tract unobstructed and prevent the complications of aspiration pneumonia, atelectasis, asphyxia and the like, and is suitable for patients with coma and patients with particularly frequent asphyxia possibility of sputum.

In the process of using the medical center suction, as the sputum suction tank is full or the suction tank is broken and leaks gas and cannot be found in time, the liquid in the sputum suction bag can be sucked back into the regulator and the central tube of the center suction, and if the liquid flows back and forth repeatedly, the pipeline of the center suction can be rusted and blocked.

The negative pressure is not generated after the blockage, the pipeline is required to be replaced after the equipment department stops central suction, the work load is large, the work of a ward is influenced, in addition, the pipeline is easy to be polluted, and the cross infection is caused.

Accordingly, one skilled in the art provides a device for preventing central negative pressure suction and backflow to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a prevent that central negative pressure attracts device of flowing backward has and flows backward and remind and be convenient for wash and maintain the characteristics that prevent cross contamination.

In order to achieve the above object, the utility model provides a following technical scheme: a device for preventing central negative pressure suction and backflow comprises a wall body, wherein a function board is arranged on the wall body, a negative pressure treatment joint is arranged on the function board, the negative pressure treatment joint is in sealing connection with a pressure pipe, a fixed plate is fixedly connected below the wall body, one side of the fixed plate is detachably connected with a monitoring box, the pressure pipe is in sealing connection with the monitoring box through a suction pipe, the monitoring box is in sealing connection with a sputum collection bag through a connecting pipe, one side of the sputum collection bag is in sealing connection with a sputum suction pipe, one side of the monitoring box is provided with a monitoring pipe, the upper end and the lower end of the monitoring pipe are respectively in sealing connection with a quick-plugging connector, one end of the quick-plugging connector is provided with a threaded pipe, the monitoring pipe is in sealing connection with the quick-plugging connector through the threaded pipe, a liquid level probe is fixedly connected in the monitoring pipe, one side of the monitoring box is provided with an inserting groove matched with the fixing block, the upper end face of the fixing block is provided with an inserting groove, and the inner wall of the inserting groove is fixedly connected with an inserting L plate matched with the inserting groove.

Preferably, the outer wall of the liquid level probe is fixedly connected with three fixing rings which are vertically and equidistantly distributed.

Preferably, the fixed ring outer wall fixedly connected with fixed muscle that a plurality of annular distributes, fixed ring with the monitoring tube passes through fixed muscle fixed connection.

Preferably, one end of the liquid level probe is positioned inside the threaded pipe.

Preferably, the monitoring box is internally provided with a control panel, and the liquid level probe and the alarm lamp are in signal connection with the control panel.

Preferably, the monitoring box is positioned above the sputum collection bag.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when the sputum liquid level in the concentrated sputum bag rises, the sputum passes through the position that the monitoring box was reachd to the connecting pipe, the intraductal liquid level probe contact of sputum and monitoring this moment, the alarm lamp warns this moment, thereby make medical personnel in time change, make the sputum can not get into the pressure pipe, thereby get into negative pressure treatment and connect inside, avoided because the influence that flows backward caused equipment, and the sputum generally has the adhesion, operating personnel can directly demolish the monitoring box this moment, and wash the inside condition of monitoring, thereby the condition of having avoided cross contamination appears.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic partial cross-sectional view of the detecting box of the present invention;

FIG. 3 is a schematic top view of a liquid level probe according to the present invention;

fig. 4 is a schematic perspective view of a fixing plate of the present invention;

fig. 5 is a rear view of the detecting box of the present invention.

In the figure: 100. a wall body; 200. a function board; 300. a negative pressure therapy connector; 1. a pressure pipe; 11. a suction tube; 2. a fixing plate; 21. a fixed block; 22. a slot; 3. a monitoring box; 31. an alarm lamp; 32. monitoring the pipe; 33. a quick connector; 331. a threaded pipe; 34. a liquid level probe; 35. a fixing ring; 351. fixing the ribs; 36. inserting grooves; 37. inserting an L plate; 4. a sputum collection bag; 41. a connecting pipe; 42. a sputum aspirating tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a device for preventing central negative pressure suction backflow comprises a wall body 100, a function board 200 is arranged on the wall body 100, a negative pressure treatment joint 300 is arranged on the function board 200, a pressure pipe 1 is hermetically connected with the negative pressure treatment joint 300, a fixing plate 2 is fixedly connected below the wall body 100, one side of the fixing plate 2 is detachably connected with a monitoring box 3, the pressure pipe 1 is hermetically connected with the monitoring box 3 through a suction pipe 11, the monitoring box 3 is hermetically connected with a sputum collection bag 4 through a connecting pipe 41, one side of the sputum collection bag 4 is hermetically connected with a sputum suction pipe 42, one side of the monitoring box 3 is provided with a monitoring pipe 32, the upper end and the lower end of the monitoring pipe 32 are hermetically connected with a quick plug 33, one end of the quick plug 33 is provided with a threaded pipe 331, the monitoring pipe 32 is hermetically connected with the quick plug 33 through the threaded pipe 331, a liquid level probe 34 is fixedly connected in the monitoring pipe 32, an alarm lamp, one side of the monitoring box 3 is provided with an inserting groove 36 matched with the fixing block 21, the upper end surface of the fixing block 21 is provided with a slot 22, and the inner wall of the inserting groove 36 is fixedly connected with an inserting L plate 37 matched with the slot 22.

In this embodiment: the function board 200 is located the outer wall of the wall 100, the general function board 200 is located above the sickbed, the function board 200 is provided with a socket connector, a medical communication part, a bedside lamp and a negative pressure treatment connector 300, a negative pressure treatment belt is arranged in the negative pressure treatment connector 300, a pipeline which is mainly connected with a negative pressure room of a hospital equipment department is arranged in the negative pressure treatment belt, the pressure pipe 1 is communicated with the negative pressure room pipeline at the moment, the pressure pipe 1 is provided with a pressure gauge which is mainly used for detecting the real-time pressure in the pressure pipe 1, a patient adsorbs sputum in a throat into a sputum collection bag 4 through the sputum suction pipe 42, the sputum in the sputum collection bag 4 is increased along with the sputum suction time of the sputum suction pipe 42, when the sputum in the sputum collection bag 4 is excessive, the connection pipe 41 can adsorb the sputum into the pressure pipe 1, thereby causing the problem of later maintenance, but a monitoring box 3 is arranged between the connection pipe 41 and the pressure pipe 1, when the sputum ascends in, when sputum and liquid level probe 34 contact, liquid level probe 34 control alarm lamp 31 is opened, can remind medical personnel to clear up collection phlegm bag 4 this moment, and adopt quick connector 33 to connect and attract when managing 11 and connecting pipe 41, make monitoring box 3 with attract pipe 11, it is more light convenient when connecting pipe 41 demolishs, it is direct to upwards slide monitoring box 3 this moment, slot 22 breaks away from spacingly with grafting L board 37 this moment, thereby take out monitoring box 3, thereby be convenient for clear up the sputum on liquid level probe 34 surface, avoid appearing cross contamination.

In fig. 2-3: fixed ring 35 that liquid level probe 34 outer wall fixedly connected with three vertical equidistance distributes, fixed ring 35 outer wall fixedly connected with a plurality of annular fixed muscle 351 that distributes, fixed ring 35 and monitoring pipe 32 are through fixed muscle 351 fixed connection, fix liquid level probe 34 through fixed ring 35, fixed muscle 351 is fixed with monitoring pipe 32, and the fixed mode of liquid level probe 34 can not influence the circulation of the inside gas of monitoring pipe 32 this moment.

In fig. 2: one end of the liquid level probe 34 is located inside the threaded pipe 331, when the surface of the liquid level probe 34 is difficult to clean, the threaded pipe 331 of the quick-connect plug 33 and the monitoring pipe 32 are detached at the moment, and the liquid level probe 34 is close to one side of the monitoring pipe 32, so that the cleaning is more convenient.

In fig. 2: monitoring box 3 is inside to be equipped with the control panel, liquid level probe 34, alarm lamp 31 and control panel signal connection, be equipped with the detection circuitry that leaks on the control panel, the detection circuitry that leaks adopts LM393 voltage comparator as the core chip, LM393 voltage comparator constitutes the detection circuitry that leaks with resistance network connection, the detection circuitry that leaks is connected with the alarm circuit who comprises triode and alarm lamp 31, liquid level probe 34 can adopt battery or 5V DC power supply, it has the condition of leaking to detect when the probe, can alarm lamp 31 report to the police, the through wires hole of supplying liquid level probe 34 and control panel is seted up to monitor 32 one side, liquid level probe 34's cable penetrates inside monitoring box 3 through the through wires hole, the through wires hole seals through sealed glue with liquid level probe 34's cable.

In fig. 1: monitoring box 3 is located the top of collection phlegm bag 4, because patient lies on the sick bed, monitoring box 3 is located the top and can not influence medical personnel's daily operation this moment to can increase monitoring box 3 and collect the distance of connecting pipe 41 between the phlegm bag 4, the medical personnel's of being convenient for daily inspection.

The utility model discloses a theory of operation and use flow: when the sputum in album sputum bag 4 is too much, connecting pipe 41 can adsorb the sputum to in the pressure pipe 1, thereby cause the later maintenance problem, but be provided with monitoring box 3 between connecting pipe 41 and pressure pipe 1, when the sputum rose in connecting pipe 41, during sputum and liquid level probe 34 contact, liquid level probe 34 control alarm lamp 31 is opened, can remind medical personnel to clear up album sputum bag 4 this moment, and adopt quick connector 33 to connect and attract pipe 11 and connecting pipe 41 time, make monitoring box 3 with attract pipe 11, it is lighter convenient when connecting pipe 41 is demolishd, direct 3 up-slideings of monitoring box this moment, slot 22 breaks away from spacingly with grafting L board 37 this moment, thereby take out monitoring box 3, thereby be convenient for clear up the sputum on liquid level probe 34 surface, avoid appearing cross contamination.

Finally, it should be noted that: although the present invention 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 in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a prevent central negative pressure suction device of flowing backward, includes wall body (100), be equipped with function board (200) on wall body (100), be equipped with negative pressure treatment joint (300) on function board (200), negative pressure treatment joint (300) sealing connection has pressure pipe (1), its characterized in that: a fixing plate (2) is fixedly connected below the wall body (100), one side of the fixing plate (2) is detachably connected with a monitoring box (3), the pressure pipe (1) is hermetically connected with the monitoring box (3) through a suction pipe (11), the monitoring box (3) is hermetically connected with a sputum collection bag (4) through a connecting pipe (41), and one side of the sputum collection bag (4) is hermetically connected with a sputum suction pipe (42);

a monitoring pipe (32) is arranged on one side of the monitoring box (3), the upper end and the lower end of the monitoring pipe (32) are respectively connected with a quick-plugging connector (33) in a sealing mode, a threaded pipe (331) is arranged at one end of the quick-plugging connector (33), the monitoring pipe (32) is connected with the quick-plugging connector (33) in a sealing mode through the threaded pipe (331), a liquid level probe (34) is fixedly connected in the monitoring pipe (32), and an alarm lamp (31) is installed on the upper end face of the monitoring box (3);

the monitoring box is characterized in that one side of the fixing plate (2) is fixedly connected with a fixing block (21), one side of the monitoring box (3) is provided with an inserting groove (36) matched with the fixing block (21), the upper end face of the fixing block (21) is provided with a slot (22), and the inner wall of the inserting groove (36) is fixedly connected with an inserting L plate (37) matched with the slot (22).

2. The device of claim 1 for preventing central negative pressure suction backflow, wherein: the outer wall of the liquid level probe (34) is fixedly connected with three fixing rings (35) which are vertically distributed at equal intervals.

3. The device of claim 2, wherein the device is characterized in that: the outer wall of the fixing ring (35) is fixedly connected with a plurality of fixing ribs (351) which are distributed annularly, and the fixing ring (35) is fixedly connected with the monitoring pipe (32) through the fixing ribs (351).

4. The device of claim 1 for preventing central negative pressure suction backflow, wherein: one end of the liquid level probe (34) is positioned inside the threaded pipe (331).

5. The device of claim 1 for preventing central negative pressure suction backflow, wherein: the monitoring box (3) is internally provided with a control panel, and the liquid level probe (34) and the alarm lamp (31) are in signal connection with the control panel.

6. The device of claim 1 for preventing central negative pressure suction backflow, wherein: the monitoring box (3) is positioned above the sputum collecting bag (4).

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