CN219148949U - Medical pressure conduction pipeline - Google Patents

Abstract

The utility model discloses a medical pressure conducting pipeline which consists of a medical pipe and a flexible diaphragm, wherein the flexible diaphragm is arranged in the middle of the medical pipe, can swing left and right freely to the inner sides of two ends of the medical pipe along the conducting direction of the conducting pipeline, and is not under the tension of the flexible diaphragm. The sterile and bacteria physical isolation is truly realized, and meanwhile, the gas in the left cavity and the leakage of cerebrospinal fluid in the body are sealed, and the pressure conduction medium is also realized.

Description

Medical pressure conduction pipeline

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a medical pressure conduction pipeline.

Background

Lumbar puncture and lumbar cistern puncture are often required to measure the pressure in the cranial cavity in the clinical diagnosis process of neurosurgery patients. In the prior art, cerebrospinal fluid is drained to the outside of the body through a puncture needle, intracranial pressure is measured by checking the liquid level of the cerebrospinal fluid in a piezometer tube, and the following defects exist:

(1) the cerebrospinal fluid drained to the outside of the body is in direct contact with the external environment of bacteria, which is easy to cause intracranial infection and aggravate the illness state of patients.

(2) In a closed body cavity, leakage of cerebrospinal fluid can cause measured values to be lower than a true value before operation, and loss of clinical significance (taking medicines and other treatment measures in the next step according to intracranial pressure value judgment) can lead to inaccurate medicine taking and treatment and delay of illness state.

(3) In the pressure measuring process, once the operation is incorrect, a great amount of cerebrospinal fluid is lost, intracranial negative pressure is caused, and the life is endangered immediately.

Disclosure of Invention

In order to avoid the technical problems of intracranial infection and cerebrospinal fluid leakage, the utility model discloses a special medical pressure conduction pipeline.

The technical scheme adopted by the utility model is as follows:

the utility model provides a medical pressure conduction pipeline, comprises medical pipe and flexible diaphragm, flexible diaphragm set up in medical pipe intermediate position, flexible diaphragm can freely swing to medical pipe both ends inboard about the direction of conduction along the conduction pipeline to self is not under tension, flexible diaphragm can the conduction pressure can the physical avoidance medical pipe both ends the direct contact of both ends.

Further, a first extension tube and a second extension tube with smaller diameters are arranged at two ends of the medical tube, a first luer connector is arranged at the end part of the first extension tube, and a second luer connector is arranged at the end part of the second extension tube.

Further, the first extension tube and the second extension tube are two identical tubes.

Further, a first on-off valve is arranged on the first extension tube, and a second on-off valve is arranged on the second extension tube.

Furthermore, the total volume in the cavity of the medical tube is larger than the sum of the volumes in the cavities of the extension tubes at the two ends of the medical tube, so that the flexible diaphragm is prevented from being pressed to the limit position at the other end by the excessive pressure.

Further, the outer surface of the medical tube is provided with a first safety scale mark and a second safety scale mark, and once the safety scale mark is exceeded, inaccurate pressure conduction is likely to occur.

Further, marks for distinguishing the first luer connector and the second luer connector are arranged on the first luer connector and the second luer connector.

The utility model has the advantages and positive effects that:

1. according to the utility model, the flexible diaphragm is arranged in the middle of the medical tube, so that the flexible diaphragm can not only conduct pressure, but also physically avoid direct contact of two ends, the risk of iatrogenic intracranial infection is avoided, and meanwhile, the measured value is enabled to be closer to the true value under the condition before operation, so that the medical tube has higher clinical diagnosis and treatment value.

2. In the using process, the operation in the operation is more definite, simpler and more safe.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

in the figure: the medical device comprises a first luer connector, a second luer connector, a medical tube, a second luer connector, a first extension tube, a second extension tube, a 41 on-off valve, a 51 on-off valve, a 6 flexible diaphragm, a first cavity, a second safety scale mark 211 and a first safety scale mark 221.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms also are intended to include the plural forms unless the present utility model clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "left" and "right" in the present utility model, if they mean only that the directions of the words are identical to the left and right directions of the drawings, and are not to be construed as limiting the structure, but merely for convenience of description and simplification of the description, rather than indicating or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the limitation of the present utility model is not to be construed.

As described in the background art, the present utility model provides a medical pressure conducting pipeline, which is composed of a medical tube 2 and a flexible diaphragm 6, wherein the flexible diaphragm 6 is arranged in the middle of the medical tube 2, the flexible diaphragm 6 is arranged along the direction perpendicular to the pressure conducting direction, and the flexible diaphragm 6 and the medical tube 2 can be integrally formed when the pressure film 6 is manufactured into the medical tube 2; the pressure film 6 divides the medical tube 2 into a left cavity and a right cavity, namely a first cavity 21 and a second cavity 22, and the flexible diaphragm 6 can swing freely to the inner sides of two ends of the medical tube 2 along the conduction direction of the conduction pipeline and is not under the tension of the flexible diaphragm 6, so that the flexible diaphragm 6 can conduct pressure and can physically avoid the direct contact of the two ends.

The flexible membrane 6 may be made of an elastic material such as latex, silica gel, or TPU.

Further, the first extension tube 4 and the second extension tube 5 with smaller diameters are arranged at two ends of the medical tube 2, and the total volume in the cavity of the medical tube 2 is larger than the sum of the volumes in the first extension tube 4 and the second extension tube 5 at two ends, so that the design is because the flexible diaphragm is prevented from being pressed to the limit position at the other end by excessive pressure.

Further, a first luer 3 is provided at the end of the first extension tube 4, and a second luer 1 is provided at the end of the second extension tube 5.

Further, the first extension pipe 4 is provided with a first on-off valve 41, and the second extension pipe 5 is provided with a second on-off valve 42.

Further, the outer surface of the medical tube is provided with the first safety graduation mark 211 and the second safety graduation mark 221, the first safety graduation mark 211 and the second safety graduation mark 221 are respectively arranged at two sides of the flexible diaphragm 22, and once the flexible diaphragm 22 exceeds the two safety graduation marks under the action of pressure, inaccurate pressure conduction is possible, so that the conductive tube needs to be replaced.

It should be further noted that, the setting positions of the first safety graduation mark 211 and the second safety graduation mark 221 are set according to the two ends limit positions that can be reached of the flexible film under the condition of not being under tension of the flexible film, once the flexible film reaches the safety graduation mark, the accurate performance of pressure conduction can be affected due to the tension of the flexible film.

Further, the joints at the end parts of the first extension tube and the second extension tube are in different colors, and are used for distinguishing the sterile contact end from the bacteria contact end in the use process.

Further, the first extension tube is connected with the puncture needle, the second extension tube is connected with the pressure monitoring device, and the pressure in the body cavity is transmitted to the pressure monitoring device through sterile gas in the left tube of the flexible diaphragm, the flexible diaphragm and the right bacterial gas, so that the pressure measuring function is realized.

The specific use process of the utility model is as follows;

after the puncture needle enters the body cavity, the needle core is pulled out, the first luer connector is connected, the first on-off valve is in a passage state, the left side of the flexible diaphragm is in an aseptic environment, the second on-off valve at the right end of the pipeline is in a cut-off state, the second luer connector is inserted onto the pressure monitoring device, the second on-off valve is opened, the pressure in the body cavity is transmitted into the pressure monitoring device through aseptic gas in the left pipe of the flexible diaphragm, the flexible diaphragm and the right bacterial gas, the pressure measuring function is realized, the aseptic and bacterial physical isolation is truly realized, and meanwhile, the gas in the left cavity and the external leakage of cerebrospinal fluid in the body are sealed, and the pressure conducting medium function is realized.

Finally, it is pointed out that relational terms such as first and second are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The medical pressure conducting pipeline is characterized by comprising a medical pipe and a flexible diaphragm, wherein the flexible diaphragm is arranged in the middle of the medical pipe, can swing left and right freely to the inner sides of two ends of the medical pipe along the conducting direction of the conducting pipeline, and is not under the tension of the flexible diaphragm.

2. The medical pressure transmission pipeline according to claim 1, wherein a first extension pipe is arranged at one end of the medical pipe, a second extension pipe is arranged at the other end of the medical pipe, and the total volume in the cavity of the medical pipe is larger than the sum of the volumes in the cavities of the first extension pipe and the second extension pipe.

3. A medical pressure line according to claim 2, wherein the outer surface of the medical tube is provided with a first safety scale mark and a second safety scale mark.

4. A medical pressure line according to claim 3, wherein the first and second safety graduations are provided on opposite sides of the flexible diaphragm.

5. A medical pressure transfer tubing as defined in claim 2, wherein said first extension tube and said second extension tube are two identical tubes.

6. A medical pressure transfer line according to claim 2 wherein a first on-off valve is provided on the first extension tube and a second on-off valve is provided on the second extension tube.

7. A medical pressure transfer tubing as defined in claim 2, wherein a first luer fitting is provided at an end of the first extension tube and a second luer fitting is provided at an end of the second extension tube.

8. A medical pressure transfer line as in claim 7, wherein indicia are provided on the first luer fitting and the second luer fitting to distinguish between the two.

9. A medical pressure transfer line according to claim 2 wherein said first extension tube is connected to a needle.

10. A medical pressure line according to claim 9 wherein the second extension tube is connected to a pressure monitoring device.

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