CN217245766U

CN217245766U - Precision metering pressure reducer

Info

Publication number: CN217245766U
Application number: CN202220421044.1U
Authority: CN
Inventors: 张黎莉
Original assignee: Sichuan Cancer Hospital
Current assignee: Sichuan Cancer Hospital
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-23
Anticipated expiration: 2032-02-28

Abstract

The application discloses a precise metering pressure reducer, which belongs to the field of medical equipment and comprises an upper kettle body and a lower kettle body, wherein the lower kettle body is a transparent kettle body, the side part of the lower kettle body is provided with a metering scale strip, the lower kettle body is internally divided into a pressure reducing cavity and a pressure regulating cavity by a partition plate, the top end of the partition plate is provided with a communicating hole, the pressure reducing cavity and the pressure regulating cavity are communicated through the communicating hole, and the upper kettle body is communicated with the pressure reducing cavity; the pressure regulating pipe is arranged in the pressure regulating cavity, one end of the pressure regulating pipe penetrates through the side wall of the pressure regulating cavity and is connected with a pressure regulating joint, the other end of the pressure regulating pipe is inserted into the lower section in the pressure regulating cavity, and a vent pipe communicated with the atmosphere is arranged on the side wall of the pressure regulating cavity. The technical scheme of the utility model can accurately measure without pouring into a measuring cup or empty needle for suction measurement; through setting up three way connection, conveniently wash to can guarantee seal and effective negative pressure.

Description

Precision metering pressure reducer

Technical Field

The utility model relates to an accurate measurement pressure reducer belongs to the medical equipment field.

Background

The operation is an important means for treating diseases, and the operation can keep the drainage tube unobstructed and accurately record the color, the property and the quantity of drainage liquid, thereby being an important measure for promoting the recovery of patients. After surgery, patients with digestive tract diseases often keep a gastric tube connected with a gastrointestinal decompressor so as to drain gastric juice and drainage liquid and promote wound healing. The stomach tube is left in the critical patient who can not take food through mouth, can help the food intake, and the supplementary nutrition connects the stomach intestine pressure reducer simultaneously and can accurately estimate the residual amount of stomach, further implements the nutrition plan.

The gastrointestinal decompressor commonly used in clinic cannot measure liquid, when liquid is measured, the gastrointestinal decompressor needs to be poured into a measuring cup for measurement or an empty needle is used for extraction for measurement, and the process is very complicated and is not easy to operate. In the process of replacing or pouring the measurement, the smell of the drainage liquid is easily diffused all around, so that air pollution is caused, the wounds of hands or patients are easily polluted, and the occupation exposure risk of clinical nurses and the wound infection of the patients are increased. In clinical work, when the pipeline is inspected to be unobstructed by flushing in each shift, the joint needs to be disconnected for flushing, the procedure is complex, and the pipeline is easy to infect.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a precision metering pressure reducer which can accurately meter without pouring into a measuring cup or empty needle for suction metering; through setting up three way connection, conveniently wash to can guarantee seal and effective negative pressure.

The utility model adopts the technical proposal that the precision metering pressure reducer comprises an upper kettle body (1) and a lower kettle body (2), wherein the upper kettle body (1) is arranged above the lower kettle body (2) and is connected with the lower kettle body (2); the top end of the upper pot body (1) is provided with a connecting pipe (5) and an air vent (6); the lower pot body (2) is a transparent pot body, and a measuring scale strip (7) is arranged on the side part of the lower pot body (2); the lower pot body (2) is internally provided with a partition plate (8) extending from the bottom to the top, the partition plate (8) divides the lower pot body (2) into a pressure reduction cavity (9) and a pressure regulation cavity (10), the top end of the partition plate (8) is provided with a communicating hole (11), the pressure reduction cavity (9) is communicated with the pressure regulation cavity (10) through the communicating hole (11), and the upper pot body (1) is communicated with the pressure reduction cavity (9); be provided with pressure regulating pipe (12) in pressure regulating cavity (10), the one end of pressure regulating pipe (12) is passed pressure regulating cavity (10) lateral wall and is connected with the pressure regulating joint, and the other end of pressure regulating pipe (12) is pegged graft in lower section in pressure regulating cavity (10), is provided with breather pipe (13) with the atmosphere intercommunication on the lateral wall of pressure regulating cavity (10).

Preferably, the upper kettle body (1) of the precision metering pressure reducer is a telescopic kettle body; the top of the lower pot body (2) is provided with a plug (3) communicated with the lower pot body (2), the lower part of the upper pot body (1) is provided with a port (4) communicated with the inside of the upper pot body (1), the plug (3) is inserted into the port (4), and the plug (3) is communicated with the pressure reduction cavity (9).

Optimized, above-mentioned precision measurement pressure reducer, the inside lower extreme of the upper portion kettle body (1) is provided with gasket (14), gasket (14) and the inside bottom face parallel arrangement of the upper portion kettle body (1), the border department of gasket (14) is provided with a plurality of elasticity cable (15), the one end of elasticity cable (15) is fixed with the inside bottom face of the upper portion kettle body (1), the other end and gasket (14) of elasticity cable (15) are fixed, gasket (14) are taut and laminate on interface (4) through elasticity cable (15).

Preferably, the plug (3) of the precision metering pressure reducer is internally provided with a push rod (16), and the end part of the push rod (16) protrudes out of the top end opening of the plug (3) and pushes the sealing piece (14) to be far away from the interface (4); a plurality of supporting rods (17) arranged at intervals are arranged between the ejector rod (16) and the inner wall of the plug (3), and the ejector rod (16) is fixed with the inner wall of the plug (3) through the supporting rods (17).

Preferably, the pressure regulating cavity (10) of the precision metering pressure reducer is filled with pressure regulating liquid (18), and the lower end of the pressure regulating pipe (12) is positioned in the pressure regulating liquid (18); a water storage cavity (19) is arranged on one side of the lower kettle body (2), and the lower end side part of the water storage cavity (19) is communicated with the lower end side part of the pressure regulating cavity (10); a piston (20) is arranged in the water storage cavity (19), and the side wall of the piston (20) is in contact with the inner side wall of the water storage cavity (19) and is arranged in a sealing manner; the piston (20) is connected with a piston rod (21), one end of the piston rod (21) is fixed with the piston (20), and the other end of the piston rod (21) penetrates through the top end of the water storage cavity (19).

Preferably, in the precision metering pressure reducer, the connecting pipe (5) is a hose, the end of the connecting pipe (5) is provided with a three-way joint (22), and three open ends of the three-way joint (22) are respectively provided with a sealing plug.

Preferably, the connecting pipe (5) of the precision metering pressure reducer is provided with a one-hand blocking clamp (23).

The application has the advantages that:

in the technical scheme of this application, the more conventional stomach intestine pressure reducer of accurate measurement pressure reducer can not increase patient's use cost, has improved patient's comfort level on the contrary and has reduced the infection risk, and accurate record discrepancy promotes patient's recovery. Compared with the conventional gastrointestinal pressure reducer, the precision metering pressure reducer reduces the workload of medical staff, reduces the occupational exposure risk of the medical staff, and is more suitable for infection management of hospitals. After the precise metering pressure reducer is successfully converted, the device can be used for gastrointestinal decompression, subcutaneous plasma drainage tubes and the like, is simple and convenient to operate, clean and sanitary, good in airtightness, comfortable to wear, capable of meeting the infection management requirements, and large in use amount. On the basis of the existing gastrointestinal pressure reducer, the production cost is not increased too much, the gastrointestinal pressure reducer is economical and practical, can be widely applied to clinical inpatients and home care patients, and generates good economic benefit.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic diagram of the internal structure of the present application;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic view of the internal structure of the upper kettle body of the present application.

Detailed Description

The technical features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The precise metering pressure reducer comprises an upper kettle body (1) and a lower kettle body (2), wherein the upper kettle body (1) is arranged above the lower kettle body (2) and is connected with the lower kettle body (2); the top end of the upper pot body (1) is provided with a connecting pipe (5) and an air vent (6); the lower pot body (2) is a transparent pot body, and a measuring scale strip (7) is arranged on the side part of the lower pot body (2); the lower pot body (2) is internally provided with a partition plate (8) extending from the bottom to the top, the partition plate (8) divides the lower pot body (2) into a pressure reduction cavity (9) and a pressure regulation cavity (10), a communicating hole (11) is formed in the top end of the partition plate (8), the pressure reduction cavity (9) is communicated with the pressure regulation cavity (10) through the communicating hole (11), and the upper pot body (1) is communicated with the pressure reduction cavity (9); be provided with pressure regulating pipe (12) in pressure regulating cavity (10), the one end of pressure regulating pipe (12) is passed pressure regulating cavity (10) lateral wall and is connected with the pressure regulating joint, and the other end of pressure regulating pipe (12) is pegged graft in lower section in pressure regulating cavity (10), is provided with breather pipe (13) with the atmosphere intercommunication on the lateral wall of pressure regulating cavity (10).

In this embodiment, set up upper portion kettle body (1) and lower part kettle body (2), drainage liquid enters into lower part kettle body (2) through upper portion kettle body (1), when drainage liquid need empty in lower part kettle body (2), with lower part kettle body (2) and upper portion kettle body (1) separation, upper portion kettle body (1) continues to receive drainage liquid, can prevent that drainage liquid from empting the in-process and causing air pollution, reduce the pollution of medical personnel's both hands or patient's wound, reduce clinical nurse occupation exposure risk and patient's wound infection. The measuring scale strips (7) on the lower kettle body (2) can accurately measure the quantity of the drainage liquid in the lower kettle body (2), the measurement cup does not need to be poured for measurement or the empty needle is not needed for extraction and measurement, the operation process is simple, and the possibility of air pollution caused in the pouring process of the drainage liquid is further reduced.

The upper pot body (1) is a telescopic pot body; the top of the lower pot body (2) is provided with a plug (3) communicated with the lower pot body (2), the lower part of the upper pot body (1) is provided with a connector (4) communicated with the inside of the upper pot body (1), the plug (3) is inserted into the connector (4), and the plug (3) is communicated with the pressure reduction cavity (9). The inside lower extreme of the upper portion kettle body (1) is provided with gasket (14), gasket (14) and the inside bottom face parallel arrangement of the upper portion kettle body (1), the border department of gasket (14) is provided with a plurality of elastic cable (15), the one end of elastic cable (15) is fixed with the inside bottom face of the upper portion kettle body (1), the other end and gasket (14) of elastic cable (15) are fixed, gasket (14) are taut and laminate on interface (4) through elastic cable (15).

When a patient moves or needs to wear the pressure reducer, the upper kettle body (1) can be taken down from the lower kettle body (2), the carrying burden can be reduced, the upper kettle body (1) can continuously receive drainage liquid, and the pressure reduction and drainage of the patient are not affected. The upper kettle body (1) is set to be a telescopic kettle body, the wearing volume can be further reduced when a patient wears the kettle, and the upper kettle body (1) is made of soft materials except the bottom end, so that the wearing comfort is better.

After taking off from lower part kettle body (2) at the upper part kettle body (1), elasticity cable (15) draw gasket (14) to interface (4) and make gasket (14) and the border department of interface (4) sticis the contact for gasket (4) can be sealed with interface (4), taking off the back from lower part kettle body (2) with the upper part kettle body (1), the upper part kettle body (1) can keep sealed, can not take place to reveal, conveniently carry the use.

A push rod (16) is arranged in the plug (3), and the end part of the push rod (16) protrudes out of the top end opening of the plug (3) and pushes the sealing sheet (14) to be far away from the interface (4); a plurality of support rods (17) arranged at intervals are arranged between the ejector rod (16) and the inner wall of the plug (3), and the ejector rod (16) is fixed with the inner wall of the plug (3) through the support rods (17).

After the upper kettle body (1) is connected with the lower kettle body (2), the sealing sheet (14) is jacked up through the ejector rod (16), so that the sealing sheet (14) is far away from the interface (4), and the upper kettle body (1) is communicated with the lower kettle body (2).

The pressure regulating cavity (10) is filled with pressure regulating liquid (18), and the lower end of the pressure regulating pipe (12) is positioned in the pressure regulating liquid (18); a water storage cavity (19) is arranged on one side of the lower kettle body (2), and the lower end side part of the water storage cavity (19) is communicated with the lower end side part of the pressure regulating cavity (10); a piston (20) is arranged in the water storage cavity (19), and the side wall of the piston (20) is in contact with the inner side wall of the water storage cavity (19) and is arranged in a sealing manner; the piston (20) is connected with a piston rod (21), one end of the piston rod (21) is fixed with the piston (20), and the other end of the piston rod (21) penetrates through the top end of the water storage cavity (19).

The degree of depth that pressure regulating pipe (12) is located pressure regulating liquid (18) equals the pressure that the pressure reducer negative pressure attracts, piston (20) through in water storage cavity (19) remove, can push pressure regulating cavity (10) with the liquid of pressure regulating cavity (10) suction water storage cavity (19) or in with water storage cavity (19), thereby change the liquid level height in pressure regulating cavity (10), and then change the degree of depth that pressure regulating pipe (12) is located pressure regulating liquid (18), realize the change of the gravitation of negative pressure attraction, can adapt to different decompression requirements, and easy and simple to handle.

The connecting pipe (5) is a hose, the end part of the connecting pipe (5) is provided with a three-way joint (22), and three open ends of the three-way joint (22) are respectively provided with a sealing plug. The connecting pipe (5) is provided with a one-hand blocking clamp (23).

Tee joint (22) can match with stomach tube, nutrition tube, subcutaneous plasma drainage tube etc. when guaranteeing accurate measurement pressure reducer seal, washes the unobstructed nature of pipeline, inspection pipeline. Become the one-hand clamp switch by conventional pulley switch, pulley switch drops easily at the in-service use in-process, and the one-hand clamp switch not only convenient operation, the clamp pipeline that also can be fine simultaneously.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.

Claims

1. A precision metering pressure reducer comprises an upper kettle body (1) and a lower kettle body (2), wherein the upper kettle body (1) is arranged above the lower kettle body (2) and is connected with the lower kettle body (2); the top end of the upper pot body (1) is provided with a connecting pipe (5) and an air vent (6); the method is characterized in that: the lower pot body (2) is a transparent pot body, and a measuring scale strip (7) is arranged on the side part of the lower pot body (2); the lower pot body (2) is internally provided with a partition plate (8) extending from the bottom to the top, the partition plate (8) divides the lower pot body (2) into a pressure reduction cavity (9) and a pressure regulation cavity (10), the top end of the partition plate (8) is provided with a communicating hole (11), the pressure reduction cavity (9) is communicated with the pressure regulation cavity (10) through the communicating hole (11), and the upper pot body (1) is communicated with the pressure reduction cavity (9); be provided with pressure regulating pipe (12) in pressure regulating cavity (10), the one end of pressure regulating pipe (12) is passed pressure regulating cavity (10) lateral wall and is connected with the pressure regulating joint, and the other end of pressure regulating pipe (12) is pegged graft in lower section in pressure regulating cavity (10), is provided with breather pipe (13) with the atmosphere intercommunication on the lateral wall of pressure regulating cavity (10).

2. The precision-metering pressure reducer according to claim 1, wherein: the upper kettle body (1) is a telescopic kettle body; the top of the lower pot body (2) is provided with a plug (3) communicated with the lower pot body (2), the lower part of the upper pot body (1) is provided with a port (4) communicated with the inside of the upper pot body (1), the plug (3) is inserted into the port (4), and the plug (3) is communicated with the pressure reduction cavity (9).

3. The precision-metering pressure reducer according to claim 2, wherein: the inside lower extreme of the upper portion kettle body (1) is provided with gasket (14), gasket (14) and the inside bottom face parallel arrangement of the upper portion kettle body (1), the border department of gasket (14) is provided with a plurality of elasticity cable (15), the one end of elasticity cable (15) is fixed with the inside bottom face of the upper portion kettle body (1), the other end and gasket (14) of elasticity cable (15) are fixed, gasket (14) are taut and laminate on interface (4) through elasticity cable (15).

4. A precision metering pressure reducer according to claim 3, wherein: a push rod (16) is arranged in the plug (3), and the end part of the push rod (16) protrudes out of the top end opening of the plug (3) and pushes the sealing sheet (14) to be far away from the interface (4); a plurality of supporting rods (17) arranged at intervals are arranged between the ejector rod (16) and the inner wall of the plug (3), and the ejector rod (16) is fixed with the inner wall of the plug (3) through the supporting rods (17).

5. The precision-metering pressure reducer according to claim 1, wherein: the pressure regulating cavity (10) is filled with pressure regulating liquid (18), and the lower end of the pressure regulating pipe (12) is positioned in the pressure regulating liquid (18); a water storage cavity (19) is arranged on one side of the lower kettle body (2), and the lower end side part of the water storage cavity (19) is communicated with the lower end side part of the pressure regulating cavity (10); a piston (20) is arranged in the water storage cavity (19), and the side wall of the piston (20) is in contact with the inner side wall of the water storage cavity (19) and is arranged in a sealing manner; the piston (20) is connected with a piston rod (21), one end of the piston rod (21) is fixed with the piston (20), and the other end of the piston rod (21) penetrates through the top end of the water storage cavity (19).

6. The precision-metering pressure reducer according to claim 1, wherein: the connecting pipe (5) is a hose, the end part of the connecting pipe (5) is provided with a three-way joint (22), and three open ends of the three-way joint (22) are respectively provided with a sealing plug.

7. The precision metering pressure reducer according to claim 6, wherein: the connecting pipe (5) is provided with a single-hand blocking clamp (23).