CN219440144U

CN219440144U - Neonate quantitative drainage device

Info

Publication number: CN219440144U
Application number: CN202221820298.7U
Authority: CN
Inventors: 李建平
Original assignee: Childrens Hospital of Zhejiang University School of Medicine
Current assignee: Childrens Hospital of Zhejiang University School of Medicine
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-08-01
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses a quantitative drainage device for a neonate, which can control the capacity of each suction in real time in the process of sucking drainage liquid of the neonate so as to accurately quantify the drainage liquid. The technical scheme is characterized by comprising a drainage bottle for containing drainage liquid and a negative pressure component, wherein the drainage bottle is provided with a liquid suction port and an exhaust port, and the liquid suction port is connected with a drainage tube for being inserted into a drainage part of an infant; negative pressure subassembly includes negative pressure chamber and piston, the piston with the laminating of the chamber wall in negative pressure chamber, be equipped with the air inlet on the negative pressure chamber, the gas vent passes through the pipe connection the air inlet, the negative pressure chamber is transparent setting, be equipped with the scale that is used for the sign piston extraction volume on the negative pressure chamber, at the in-process of negative pressure subassembly suction, the nurse can carry out the position of real-time observation piston through transparent casing, through looking over the scale position that the piston is located to the ration of controlling every turn suction.

Description

Neonate quantitative drainage device

Technical Field

The utility model relates to the field of medical supplies, in particular to a quantitative drainage device for newborns.

Background

The drainage bag is a medical plastic bag specially used for containing drained substances, the existing drainage bag is generally suitable for adults, a negative pressure device is required to be used for sucking in the actual use process, the negative pressure device generally adopts a drainage ball or a drainage bottle, and the drained substances flow into the drainage bag through a catheter by sucking. However, the existing drainage bags have large capacity, and the commonly used drainage bags have the capacity specifications of 500ml, 750ml, 1000ml and 2000ml, and when the drainage device for adults is applied to infants, the following problems often exist:

1. because the infant is small in size, the liquid to be drained is little, the volume of the drainage bag is relatively large, when the suction is finished, the drainage liquid in the bag usually only occupies a small part of the volume of the adult drainage bag, and the naked eyes cannot judge the volume of the drainage liquid, so that the infant drainage bag is not suitable for infants;

2. the negative pressure device can not accurately control the volume of each time of suction in the suction process, and then can not accurately quantify the drained liquid, so that the phenomenon of excessive suction or too little suction is easy to occur, and medical staff is very inconvenient in operation and use.

Disclosure of Invention

The utility model aims to provide a quantitative drainage device for a neonate, which can control the capacity of each suction in real time in the process of sucking the drainage liquid of the neonate so as to accurately quantify the drainage liquid.

In order to achieve the above object, the present utility model adopts the following technical scheme:

the quantitative neonatal drainage device comprises a drainage bottle for containing drainage liquid and a negative pressure assembly, wherein a liquid suction port and an exhaust port are arranged on the drainage bottle, and the liquid suction port is connected with a drainage tube for being inserted into a drainage part of an infant; the negative pressure assembly comprises a negative pressure cavity and a piston, the piston is attached to the cavity wall of the negative pressure cavity, an air inlet is formed in the negative pressure cavity, the air outlet is connected with the air inlet through a conduit, the negative pressure cavity is transparent, and scales for marking the extraction amount of the piston are arranged on the negative pressure cavity.

Compared with the prior art, the neonate quantitative drainage device adopting the technical scheme has the following beneficial effects:

1. the displacement of the piston in the negative pressure cavity is controlled, so that the negative pressure cavity generates a certain amount of negative pressure, the effect of sucking the drainage bottle by the negative pressure component is realized, and the drainage liquid in the infant body can be sucked into the drainage bottle due to the fact that the drainage bottle is connected with the drainage tube, so that the purpose of sucking and draining is achieved.

2. In the suction process of the negative pressure component, a nurse can observe the position of the piston in real time through the transparent shell, and the quantitative control of each suction is realized by looking at the scale position of the piston.

Preferably, the negative pressure assembly comprises a suction cylinder and a valve control, the negative pressure cavity and the piston are both arranged in the suction cylinder, the air inlet is connected with the guide pipe through the valve control, and an air inlet one-way valve which only allows air to flow from the guide pipe to the negative pressure cavity is arranged in the valve control. The gas can only pass through the valve in one direction, so that the risk of backflow of drainage liquid caused by reverse flow of the gas is effectively avoided.

Preferably, the valve control is internally provided with an air outlet one-way valve, one end of the air outlet one-way valve is communicated with the interior of the valve control, and the other end of the air outlet one-way valve is communicated with the outside. The extracted gas is released to the outside through the air outlet check valve, and the position of the piston is changed, so that the piston is displaced to the vicinity of the air inlet check valve, and the air is sucked again.

Preferably, the outside of drainage bottle is equipped with convex draw-in groove, the bore of the notch of draw-in groove is less than the internal diameter of draw-in groove, the section of thick bamboo of bleeding can block and establish inside the draw-in groove. Through with the section of thick bamboo card social in the draw-in groove, effectively reduce the shared space of section of thick bamboo of taking out, be convenient for accomodate when not using and deposit.

Preferably, a bottle cap is further arranged on the drainage bottle, and the bottle cap is arranged on the bottle mouth of the drainage bottle and forms a sealed space in the drainage bottle; the bottle cap is provided with two openings, the liquid suction port and the air exhaust port are detachably arranged on the openings, and the joints of the liquid suction port and the air exhaust port and the openings are sealed. The liquid suction port and the air exhaust port can be independently disassembled and disinfected for reuse or can be directly replaced, so that the cost of medical materials is effectively reduced.

Preferably, an annular valve is arranged in the air inlet one-way valve and/or the air outlet one-way valve, one end of the annular valve is annularly fixed inside the valve control, and the other ends of the annular valve are mutually attached. In the suction process of the negative pressure component, the gas inlet one-way valve flows, the annular valves are separated under the action of gas, and when the suction is not performed any more, the annular valves are mutually attached, and the gas in the negative pressure cavity is sealed and reserved in the negative pressure cavity; when the piston is pushed, the annular valves in the air outlet check valve are stressed to be separated from each other, and air can flow to the outside through the released outlet.

Preferably, the air inlet one-way valve and/or the air outlet one-way valve are/is detachably connected with the valve control, so that the condition in the valve can be conveniently and detachably checked, and when foreign matters exist, the foreign matters can be cleaned in time, and meanwhile, the foreign matters can be conveniently replaced and maintained.

Preferably, the one-way valve of giving vent to anger is last to be equipped with the valve cap, the valve cap can dismantle with the one-way valve of giving vent to anger and be connected, effectively increases the leakproofness of one-way valve of giving vent to anger through the valve cap.

Preferably, the inner wall of the clamping groove is provided with a semi-annular silica gel layer, and the silica gel layer is arranged along the inner wall of the clamping groove. When the air suction cylinder is fixed in the clamping groove, larger friction force is generated between the silica gel layer and the air suction cylinder, so that the fixity of the air suction cylinder and the clamping groove is effectively improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the quantitative neonatal drainage device of the present utility model.

Fig. 2 is a schematic structural view of a drainage bottle and a negative pressure assembly in an embodiment.

Fig. 3 is a schematic structural view of a valve control in an embodiment.

Fig. 4 is a schematic cross-sectional structure of a card slot in an embodiment.

Fig. 5 is a schematic structural diagram of the pumping state of the valve control in the embodiment.

Fig. 6 is a schematic structural diagram of the air outlet state of the valve control in the embodiment.

Reference numerals: 1. a drainage bottle; 10. a liquid suction port; 11. an exhaust port; 12. a clamping groove; 120. a silica gel layer; 13. a bottle cap; 2. a negative pressure assembly; 20. a negative pressure chamber; 21. a piston; 22. an air inlet; 23. a suction cylinder; 24. a valve control; 240. an air inlet one-way valve; 241. an air outlet one-way valve; 2410. a valve cap; 242. a ring valve; 25. a push rod.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The neonatal quantitative drainage device as shown in fig. 1 to 6 comprises a drainage bottle 1 for containing drainage liquid and a negative pressure assembly 2.

The total capacity specification of the drainage bottle 1 can be selected from 50 to 100ml or other capacity specifications, the specific specification can be determined according to the conditions of infants under different conditions, the drainage bottle 1 is provided with a liquid suction port 10 and an exhaust port 11, the liquid suction port 10 is connected with a drainage tube for being inserted into the drainage part of the infant, the drainage bottle 1 is provided with a bottle cap 13, the bottle cap 13 is provided with a handle convenient to hold, the bottle cap 13 is arranged at the bottle mouth of the drainage bottle 1, and a sealed space is formed in the drainage bottle 1; two openings are arranged above the bottle cap 13, the liquid suction port 10 and the air exhaust port 11 can be connected to the openings through threads respectively, and after the liquid suction port 10 and the air exhaust port 11 are connected with the openings, the liquid suction port 10 and the air exhaust port 11 and the corresponding openings form a sealed and fixed state.

The negative pressure assembly 2 comprises a negative pressure chamber 20, a piston 21, a push rod 25, a suction cylinder 23 and a valve control 24.

The inside negative pressure chamber 20 that is equipped with of pump cylinder 23, piston 21 and push rod 25 fixed connection, and the position that push rod 25 connects piston 21 is located in pump cylinder 23, and piston 21 and the laminating of the chamber wall in negative pressure chamber 20, negative pressure chamber 20 are transparent setting, are equipped with the scale that is used for marking the extraction volume of piston 21 on the negative pressure chamber 20. The outside of drainage bottle 1 is equipped with convex draw-in groove 12, and the bore of the notch of draw-in groove 12 is less than the internal diameter of draw-in groove 12, and draw-in groove 12 inner wall is equipped with semi-annular silica gel layer 120, and silica gel layer 120 sets up along the inner wall of draw-in groove 12, and under the unused state, the nurse can establish the horizontal card of section of thick bamboo 23 of bleeding inside draw-in groove 12.

The negative pressure cavity 20 is provided with an air inlet 22, a valve control 24 is arranged at the air inlet 22, and the valve control 24 is connected with the air outlet 11 of the drainage bottle 1 through a conduit. The valve control 24 comprises an air outlet one-way valve 241 and an air outlet one-way valve 241, the air inlet one-way valve 240 is arranged inside the valve control 24 and is not in direct contact with the outside, one end of the air outlet one-way valve 241 is communicated with the inside of the valve control 24, the other end of the air outlet one-way valve 241 is communicated with the outside, a valve cap 2410 is arranged on the air outlet one-way valve 241, and the valve cap 2410 is detachably connected with the air outlet one-way valve 241; the air inlet check valve 240 and the air outlet check valve 241 are connected with the valve control 24 in a threaded connection manner, and if the suction effect of the air suction cylinder 23 is poor, the air inlet check valve 240 or the air outlet check valve 241 can be checked, maintained or directly replaced in a screwing manner.

As shown in fig. 3, two annular valves 242 are respectively disposed in the air inlet check valve 240 and the air outlet check valve 241, the annular valves 242 are similar to the prior art check valves, such as the conventional inflation valves in the inflation rod, one end of each annular valve 242 is annularly fixed in the valve control 24, the other ends of the annular valves 242 are mutually attached, the two annular valves 242 in the air inlet check valve 240 are attached towards the direction of the piston 21, the attaching direction of the two annular valves 242 in the air outlet check valve 241 is towards the end, which is communicated with the outside, of the air outlet check valve 241, when the pressure is acted, the mutually attached ends of the annular valves 242 are flushed by air pressure, after the air enters the valves, the pressure in the valves is not changed at this time, the air is influenced by the atmospheric pressure, the air generates an acting force towards the outside, the adjacent annular valves 242 are extruded by the acting force, and the attachment of the annular valves 242 is more tight, so that the air will not flow back. The following is a way of using the negative pressure assembly 2 to aspirate drainage fluid:

after a nurse places a drainage tube on the body of an infant, the piston 21 is displaced by pulling the push rod 25, at the moment, the displacement distance of the piston 21 is controlled by observing scales, the displacement distance (extraction quantity) of the piston 21 is 5ml, negative pressure is generated in the negative pressure cavity 20, the exhaust port 11 of the drainage bottle 1 is connected with the valve control 24 by the guide tube, the drainage tube is communicated with the drainage bottle 1, drainage liquid in the infant is sucked into the drainage bottle 1 by the negative pressure, the drainage liquid sinks to the bottom of the drainage bottle 1 by gravity, at the moment, the annular valve 242 of the air inlet check valve 240 is under the action of air pressure, one end of the annular valve 242 attached to the piston 21 in the air inlet check valve 240 is opened, air smoothly enters the negative pressure cavity 20 through the air inlet check valve 240, meanwhile, the annular valve 242 in the air outlet check valve 241 is under the pressure of the outside on the direction of the negative pressure cavity 20, and the adjacent annular valves 242 in the air outlet check valve 241 are tightly attached; when the push rod 25 is not pulled any more, the air in the negative pressure cavity 20 is influenced by the air pressure to generate an external acting force, the annular valve 242 of the air inlet one-way valve 240 is extruded by the air acting force to be mutually attached, the air is pushed to the valve of the air inlet one-way valve 240 by the air pressure, the valve of the air inlet one-way valve 240 is in a relatively closed state, and the air cannot flow back; when pushing the push rod 25, the piston displacement gradually increases the air pressure in the negative pressure cavity 20, at this time, the annular valve 242 of the air inlet one-way valve 240 is tightly attached under the action of the air pressure, the annular valve 242 of the air outlet one-way valve 241 is mutually separated under the action of the air pressure, and the air can only flow to the outside through the air outlet one-way valve 241, so that the air is discharged; the actions of sucking and exhausting are repeated, and the purpose of quantitatively extracting the drainage liquid of the infant is achieved.

While the foregoing is directed to the preferred embodiment of the present utility model, other and further modifications and improvements may be made by those skilled in the art without departing from the principles of the utility model, and such are intended to be considered within the scope of the utility model.

Claims

1. A neonate quantitative drainage device which is characterized in that: the device comprises a drainage bottle (1) for containing drainage liquid and a negative pressure assembly (2), wherein a liquid suction port (10) and an exhaust port (11) are arranged on the drainage bottle (1), and the liquid suction port (10) is connected with a drainage tube for being inserted into a drainage part of an infant; negative pressure subassembly (2) are including negative pressure chamber (20) and piston (21), piston (21) with the laminating of the chamber wall in negative pressure chamber (20), be equipped with air inlet (22) on negative pressure chamber (20), gas vent (11) pass through the pipe connection air inlet (22), negative pressure chamber (20) are transparent setting, be equipped with the scale that is used for marking piston (21) extraction volume on negative pressure chamber (20).

2. The neonatal quantitative drainage device of claim 1, wherein: negative pressure subassembly (2) are including taking out inflator (23) and valve control (24), negative pressure chamber (20) with piston (21) all set up in taking out inflator (23), air inlet (22) are through valve control (24) connect the pipe, be equipped with in valve control (24) only allow gas from pipe flow to negative pressure chamber (20) air inlet check valve (240).

3. The neonatal quantitative drainage device of claim 2, wherein: an air outlet one-way valve (241) is further arranged in the valve control (24), one end of the air outlet one-way valve (241) is communicated with the inside of the valve control (24), and the other end of the air outlet one-way valve (241) is communicated with the outside.

4. The neonatal quantitative drainage device of claim 3, wherein: the drainage bottle is characterized in that an arc-shaped clamping groove (12) is formed in the outer side of the drainage bottle (1), the caliber of a notch of the clamping groove (12) is smaller than the inner diameter of the clamping groove (12), and the air suction cylinder (23) can be clamped inside the clamping groove (12).

5. The neonatal quantitative drainage device of claim 4, wherein: a bottle cap (13) is further arranged on the drainage bottle (1), and the bottle cap (13) is arranged on the bottle mouth of the drainage bottle (1) in a covering manner and forms a sealed space in the drainage bottle (1); the bottle cap (13) is provided with two openings, the liquid suction port (10) and the exhaust port (11) are detachably arranged on the openings, and the joint of the liquid suction port (10) and the exhaust port (11) with the openings is sealed.

6. The neonatal quantitative drainage device of claim 5, wherein: an annular valve (242) is arranged in the air inlet one-way valve (240) and/or the air outlet one-way valve (241), one end of the annular valve (242) is annularly fixed inside the valve control (24), and the other ends of the annular valve (242) are mutually attached.

7. The neonatal quantitative drainage device of claim 6, wherein: the air inlet one-way valve (240) and/or the air outlet one-way valve (241) are detachably connected with the valve control (24).

8. The neonatal quantitative drainage device of claim 3, wherein: and a valve cap (2410) is arranged on the air outlet one-way valve (241), and the valve cap (2410) is detachably connected with the air outlet one-way valve (241).

9. The neonatal quantitative drainage device of claim 4, wherein: the inner wall of the clamping groove (12) is provided with a semi-annular silica gel layer (120), and the silica gel layer (120) is arranged along the inner wall of the clamping groove (12).