CN219501669U - Cerebrospinal fluid drainage monitoring device - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to a cerebrospinal fluid drainage monitoring device. Comprising the following steps: the device comprises a shell, wherein a three-way pipeline is arranged above the shell, pluggable hoses are arranged at two ends of the three-way pipeline, and a flow breaking separating piece is arranged below the shell; the volume measuring parts are arranged in pairs and are respectively connected with the hoses; the liquid draining piece is communicated with the bottom of the volume measuring piece; the utility model can measure the liquid in the drainage tube within a certain time without long-term nursing of staff and medical staff, thereby reducing labor intensity.

Description

Cerebrospinal fluid drainage monitoring device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a cerebrospinal fluid drainage monitoring device.

Background

The drainage tube is used as a drainage device commonly used for a medical shell, is widely used for guiding pus, blood and liquid accumulated in human tissues or cavities to the outside of a human body, preventing postoperative infection and promoting wound healing, is commonly used for draining blood cerebrospinal fluid and inflammatory cerebrospinal fluid and controlling hydrocephalus rapidly progressing in a short time, and is used for judging the condition in the brain according to the flow of the liquid and the capacity of the liquid in each period of time in actual use, so that a treatment scheme is adjusted, however, the current drainage tube cannot realize monitoring of the flow of the liquid due to slower flow rate of the liquid, so that only doctors can judge the liquid through experience or observe and judge for a long time to determine the hydrocephalus very inconvenient, and the labor intensity of medical staff is enhanced.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides the cerebrospinal fluid drainage monitoring device which can measure the liquid in the drainage tube for a certain time without long-term nursing of staff and medical staff and reduces the labor intensity.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the device comprises a shell, wherein a three-way pipeline is arranged above the shell, pluggable hoses are arranged at two ends of the three-way pipeline, and a flow breaking separating piece is arranged below the shell;

the volume measuring parts are arranged in pairs and are respectively connected with the hoses;

the liquid draining piece is communicated with the bottom of the volume measuring piece.

Preferably, the inside of the shell is symmetrically provided with a fixed channel; the volume measuring piece comprises a container which is in sliding connection with the fixed channel, and a tray which is positioned below the container and is in contact with the bottom surface, and a gravity sensor is arranged on the tray; the top of the container is provided with a negative pressure piece communicated through a pipeline.

Preferably, the center of the tray is provided with a through hole.

Preferably, the liquid draining member comprises a second pipeline communicated with the bottom of the container and a liquid drawing pump connected with the second pipeline.

Preferably, an electromagnetic valve is arranged at the joint of the second pipeline and the bottom of the container.

Preferably, the flow break separating member comprises an electric push rod, a pressing assembly and a displacement sleeve; the electric push rod is fixed with the shell and pushes the extrusion assembly to apply pressure to the surface of the hose; the displacement sleeve is fixed with the end part of the hose, and the electric push rod is used for pushing the displacement sleeve to move to one side in displacement.

Preferably, the extrusion assembly comprises a support bracket fixed with the shell and positioned above the three-way pipeline, and a retaining column in sliding connection with the electric push rod; and a spring which is abutted with the electric push rod is arranged on the interception column.

Preferably, the section of the end part of the interception column is trapezoid.

Preferably, the displacement kit comprises a slider and a connecting rod; the sliding block is in sliding connection with the shell; one end of the connecting rod is provided with a guide hole connected with the sliding block, and the other end of the connecting rod is connected with the rotating shaft of the electric push rod.

Preferably, the cross section of the guide hole is in a key shape.

Compared with the prior art, the utility model has the following advantages:

1. the liquid flow rate at the judgment position is calculated by measuring the weight of the passing liquid within a certain time, so that the simultaneous monitoring of the liquid capacity and the liquid flow rate is realized, and compared with the traditional manual judgment, the precision is higher;

2. by adopting two volume measuring parts, the separate detection functions of different time periods are realized, normal liquid drainage is not influenced, and the structure is reasonable and stable;

3. the liquid draining part is matched with the flow stopping separating part, so that the liquid in the volume measuring part which is already measured can be pumped out to wait for the subsequent continuous storage of the liquid.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 2 is a schematic diagram showing the connection of the internal structure of a housing of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 3 is a schematic diagram showing the internal structure distribution of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 4 is a schematic diagram of a volume measuring member of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 5 is a schematic illustration of a drain connection of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 6 is a schematic illustration of a fluid break out connection of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 7 is a schematic illustration of a flow break separator of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 8 is a schematic diagram of a cut-off column of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 9 is a schematic diagram of a displacement kit of a cerebrospinal fluid drainage monitoring apparatus;

FIG. 10 is a schematic cross-sectional view of a fixed passage of a cerebrospinal fluid drainage monitoring apparatus.

In the figure: 1. a housing; 2. a flow break separator; 3. a volume measuring member; 4. a liquid discharge member; 5. an electric push rod; 6. an extrusion assembly; 7. a displacement sleeve; 101. a three-way pipeline; 102. a hose; 103. a fixed channel; 301. a container; 302. a tray; 303. a gravity sensor; 304. a negative pressure member; 305. a through hole; 401. a second pipeline; 402. a liquid pump; 403. an electromagnetic valve; 601. a support bracket; 602. a trapping column; 603. a spring; 701. a slide block; 702. a connecting rod; 703. and a guide hole.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The first embodiment is as follows: referring to FIGS. 1-10, a cerebrospinal fluid drainage monitoring device, comprising: the device comprises a shell 1, wherein a three-way pipeline 101 is arranged above the shell 1, two ends of the three-way pipeline 101 are provided with pluggable hoses 102, the other ends of the three-way pipeline 101 are connected with an external flow guide pipe, and a flow break separating piece 2 is arranged on the shell 1 below the three-way pipeline 101; the volume measuring pieces 3, the volume measuring pieces 3 arranged in pairs are respectively connected with the hoses 102; the liquid draining piece 4 is communicated with the bottom of the volume measuring piece 3;

when the liquid flow guiding device is used, the whole body is in a vertical placement state, the liquid guiding pipe enters the brain of a patient and is filled with liquid medicine for treatment, under the effect of liquid medicine dilution, a solution in the brain flows into the three-way pipeline 101 along the liquid guiding pipe, at the moment, one end of the three-way pipeline 101 is in a closed state through the flow breaking separation piece 2, the liquid flows into the volume measuring piece 3 from the other end, the average flow velocity is calculated according to the weight of the liquid and the time period, the doctor is provided for reference, after a period of time, the three-way pipeline 101 at the current position is closed, the other end is opened for continuous drainage measurement, uninterrupted drainage measurement is realized, the liquid flow guiding device is convenient to use, staff is not required to accompany, the labor intensity is reduced, the volume measuring piece 3 stored with the liquid is extracted and discharged by the liquid discharging piece 4, the subsequent use is provided, and the whole structure arrangement is reasonable.

As shown in fig. 2-4, the inside of the shell 1 is symmetrically provided with a fixed channel 103; the volume measuring member 3 includes a container 301 slidably connected to the fixed passage 103, and a tray 302 positioned below the container 301 and in contact with the bottom surface, and a gravity sensor 303 is provided on the tray 302; the top of the container 301 is provided with a negative pressure piece 304 communicated through a pipeline; the liquid in the three-way pipeline 101 flows into the container 301 through the hose 102, the gravity sensor 303 measures the liquid in the container 301 in real time, and after the specified time is reached, the flow measurement and calculation is completed by calculating the relation between the weight and the time, wherein the negative pressure piece 304 is a small or miniature negative pressure pump, so that the liquid can be conveniently extracted;

the specific calculation process is as follows;

dividing the weight in the container 301 by the density of the liquid to obtain the current volume, and dividing the volume by the time again according to the time to obtain the average flow rate for the medical staff to refer to;

in the preferred embodiment, the center of the tray 302 is provided with a through hole 305, so that the second pipeline 401 in the liquid draining member 4 can conveniently pass through;

in a preferred embodiment, the drain 4 comprises a second line 401 communicating with the bottom of the container 301, and a liquid pump 402 connected to the second line 401; the liquid pump 402 is communicated with the interior of the container through a second pipeline 401 and pumps out the liquid in the container 301 for subsequent use;

in the preferred embodiment, the electromagnetic valve 403 is disposed at the connection between the second pipeline 401 and the bottom of the container 301, and by installing the electromagnetic valve 403 at a position close to the bottom of the container 301, control of the second pipeline 401 can be achieved, and meanwhile, liquid inside the container 301 is prevented from flowing into the second pipeline 401, so that measurement accuracy is prevented from being affected.

Referring to fig. 6 to 9, the current interrupt separator 2 includes an electric push rod 5, a pressing assembly 6, and a displacement sleeve 7; the electric push rod 5 is fixed with the shell 1 and pushes the extrusion assembly 6 to apply surface pressure to the hose 102; the displacement sleeve 7 is fixed with the end part of the hose 102, and the displacement sleeve 7 is pushed to move to one side in the displacement process of the electric push rod 5; the whole structure is used in pairs, the electric push rod 5 moves upwards to drive the extrusion assembly 6 to extrude and seal the port of the three-way pipeline 101, so that current interruption is realized, and the displacement sleeve 7 can be pushed to move to one side along with the continuous upward movement for a certain distance, so that the hose 102 is disconnected with the three-way pipeline 101 and communicated with the atmosphere, and the liquid in the container 301 is conveniently extracted by the liquid discharging part 4;

in the preferred embodiment, the extrusion assembly 6 comprises a support bracket 601 fixed with the shell 1 and positioned above the three-way pipeline 101, and a retaining column 602 in sliding connection with the electric push rod 5; the retaining column 602 is provided with a spring 603 which is abutted with the electric push rod 5; in the upward moving process, the interception column 602 applies pressure to the surface of the three-way pipeline 101 and contacts with the support bracket 601 to cut off the end part of the three-way pipeline 101;

in the preferred embodiment, the section of the end part of the retaining column 602 is trapezoid, the trapezoid structure is convenient for pressing the three-way pipeline 101, and the inclined planes on two sides are utilized to avoid damaging the surface of the pipeline;

in a preferred embodiment, the displacement kit 7 comprises a slider 701 and a connecting rod 702; the sliding block 701 is in sliding connection with the shell 1; one end of the connecting rod 702 is provided with a guide hole 703 connected with the sliding block 701, and the other end is connected with the rotating shaft of the electric push rod 5; as the electric push rod 5 continues to move upwards, at this moment, the interception column 602 cooperates with the support bracket 601 to complete interception of the three-way pipeline 101, under the action of resistance force, the elasticity of the spring 603 is overcome, so that the connecting rod 702 is continuously pushed to displace, and after the bottom of the guide hole 703 is abutted with the connecting part of the sliding block 701, the sliding block 701 is pushed to move to one side, so that separation of the hose 102 and the three-way pipeline 101 is completed;

wherein, the upper part of the sliding block 701 is fixedly connected with the end part of the hose 102, and a sliding groove for the sliding block 701 to displace is arranged in the shell 1;

in the preferred embodiment, the cross-section of the guide hole 703 is in a key shape, which leaves a certain displacement space, so as to avoid the situation that when the interception column 602 does not intercept the three-way pipeline 101, the connecting rod 702 already starts to push the sliding block 701 to separate the hose 102 from the three-way pipeline 101, and liquid leakage is caused.

With reference to fig. 10, three semicircular protrusions arranged at 60 degrees can be additionally arranged on the inner wall of the fixing channel and are in contact with the surface of the container 301, so that the positioning and supporting of the container 301 are realized, the contact area with the container 301 is reduced, and the friction resistance is reduced, wherein the protrusions can be made of iron, the container 301 is made of plastic, and the friction resistance of the two parts is further reduced.

In the utility model, the structure of the control module is a conventional technology and comprises a PLC controller and a power supply module, wherein the PLC controller is respectively connected with the electromagnetic valve 403, the liquid pump 402, the gravity sensor 303 and the electric push rod 5 in a line way, and the calculation content is input in advance, so that the control of the whole structure is realized, for example, the opening and closing of the two ends of the three-way pipeline 101 and the opening and closing of the electromagnetic valve 403 are respectively controlled, and the power supply module is used for integrally supplying power.

Detailed description of the preferred embodiments

The utility model can also add an alarm module, when the PLC detects that the flow in the previous time period exceeds or is lower than a set value, the PLC sends a signal to the alarm module to realize alarm and prompt medical staff to find the situation in time; the alarm module can give an alarm for loudspeaker sound, and can be additionally provided with an indicator lamp for flashing and the like to prompt.

Detailed description of the preferred embodiments

Sterile use of devices

One end of the flow guide pipe is communicated with the three-way pipeline 101, the other part of the flow guide pipe is connected with a liquid outlet at the position of the liquid suction pump 402, sterilization treatment is carried out before the whole device is used, after the device is used, a negative pressure piece 304 is used for pumping a disinfectant, the whole device is subjected to sterilization operation, the three-way pipeline 101 is plugged, sealing and isolation are realized, and therefore the requirement of repeated use is met.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (10)

1. A cerebrospinal fluid drainage monitoring device, comprising:

the device comprises a shell (1), wherein a three-way pipeline (101) is arranged above the shell (1), pluggable hoses (102) are arranged at two ends of the three-way pipeline (101), and a flow breaking separation piece (2) is arranged on the shell (1) below the two ends of the three-way pipeline (101);

-volume measuring members (3), said volume measuring members (3) being arranged in pairs, each connected to a hose (102);

the liquid draining piece (4), the liquid draining piece (4) is communicated with the bottom of the volume measuring piece (3).

2. The cerebrospinal fluid drainage monitoring device according to claim 1, wherein: a fixed channel (103) is symmetrically arranged in the shell (1); the volume measuring piece (3) comprises a container (301) which is connected with the fixed channel (103) in a sliding way, and a tray (302) which is positioned below the container (301) and is contacted with the bottom surface, wherein a gravity sensor (303) is arranged on the tray (302); the top of the container (301) is provided with a negative pressure piece (304) communicated through a pipeline.

3. The cerebrospinal fluid drainage monitoring device according to claim 2, wherein: the center of the tray (302) is provided with a through hole (305).

4. The cerebrospinal fluid drainage monitoring device according to claim 2, wherein: the liquid draining member (4) comprises a second pipeline (401) communicated with the bottom of the container (301), and a liquid drawing pump (402) connected with the second pipeline (401).

5. The cerebrospinal fluid drainage monitoring device according to claim 4, wherein: an electromagnetic valve (403) is arranged at the joint of the second pipeline (401) and the bottom of the container (301).

6. The cerebrospinal fluid drainage monitoring device according to claim 1, wherein: the cutoff separating piece (2) comprises an electric push rod (5), an extrusion assembly (6) and a displacement sleeve (7); the electric push rod (5) is fixed with the shell (1) and pushes the extrusion assembly (6) to apply pressure to the surface of the hose (102); the displacement sleeve (7) is fixed with the end part of the hose (102), and the displacement sleeve (7) is pushed to move to one side in the displacement of the electric push rod (5).

7. The cerebrospinal fluid drainage monitoring device according to claim 6, wherein: the extrusion assembly (6) comprises a support bracket (601) fixed with the shell (1) and positioned above the three-way pipeline (101), and a retaining column (602) in sliding connection with the electric push rod (5); the retaining column (602) is provided with a spring (603) which is abutted with the electric push rod (5).

8. The cerebrospinal fluid drainage monitoring device according to claim 7, wherein: the section of the end part of the interception column (602) is trapezoid.

9. The cerebrospinal fluid drainage monitoring device according to claim 7, wherein: the displacement sleeve (7) comprises a sliding block (701) and a connecting rod (702); the sliding block (701) is in sliding connection with the shell (1); one end of the connecting rod (702) is provided with a guide hole (703) connected with the sliding block (701), and the other end is connected with the rotating shaft of the electric push rod (5).

10. The cerebrospinal fluid drainage monitoring device according to claim 9, wherein: the cross-sectional shape of the guide hole (703) is a key shape.