CN210144681U - Get liquid and divide liquid device - Google Patents
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- CN210144681U CN210144681U CN201920723281.1U CN201920723281U CN210144681U CN 210144681 U CN210144681 U CN 210144681U CN 201920723281 U CN201920723281 U CN 201920723281U CN 210144681 U CN210144681 U CN 210144681U
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Abstract
The utility model belongs to the technical field of medical instrument, a get liquid and divide liquid device is provided. The liquid taking and separating device comprises: a negative pressure generator, a shunt, a catheter, a puncture needle and a container; the negative pressure generator is sequentially connected with the shunt, the catheter and the puncture needle, and the shunt is provided with a valve; when liquid is sucked, the valve conducts the negative pressure generator and the puncture needle, the conduction between the negative pressure generator and the container is cut off, and the liquid is stored in the negative pressure generator; after the suction is finished, the valve conducts the negative pressure generator and the container, and the conduction between the negative pressure generator and the puncture needle is cut off; the flow divider includes two or more branch outlets for introducing the liquid into the two or more containers. The beneficial effects of the utility model reside in that: the liquid separating device can extract a large amount of amniotic fluid once by using the negative pressure generator to realize liquid separation for many times, and the time of exposing the fetus to the puncture needle is shortened.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to get liquid and divide liquid device.
Background
Amniotic fluid puncture is the most extensive minimally invasive operation in pregnancy, and aims to aspirate amniotic fluid for detection of amniotic fluid cells, and when the amniotic fluid puncture is performed, about 30ml of amniotic fluid generally needs to be aspirated, the amount of amniotic fluid aspirated in a special case is more, and a 10ml syringe is generally used, so that the whole aspiration process is completed through multiple operations. Repeated operation for many times increases the time that the fetus is exposed to a sharp instrument (puncture needle), and when amniotic fluid is injected into the culture tube, the conditions of liquid leakage and the like are easy to occur.
In addition, the amniotic fluid extraction device in the prior art is directly extracted vertically by the puncture needle through the injector, and the method is time-consuming and labor-consuming. Moreover, because the individual physical strength difference of doctors is large, the time of the amniotic fluid extraction process cannot be guaranteed, and meanwhile, the accurate measurement of the extraction amount cannot be realized due to the complete manual control.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a get liquid and divide liquid device to solve the problem that exists among the prior art.
The utility model discloses the technical means who adopts is: a liquid extraction and separation device comprising: a negative pressure generator, a shunt, a catheter, a puncture needle and a container; the negative pressure generator is sequentially connected with the shunt, the catheter and the puncture needle, and the shunt is provided with a valve; when liquid is sucked, the valve conducts the negative pressure generator and the puncture needle, the conduction between the negative pressure generator and the container is cut off, and the liquid is stored in the negative pressure generator; after the suction is finished, the valve conducts the negative pressure generator and the container, and the conduction between the negative pressure generator and the puncture needle is cut off; wherein the flow divider comprises two or more branch outlets for introducing the liquid into the two or more containers.
The utility model discloses in the preferred embodiment, get liquid and divide liquid device to include a plurality of cascades the shunt, one end the shunt is connected negative pressure generator, the other end the shunt is connected the pipe, every a plurality of is connected to the shunt the container.
In the preferred embodiment of the present invention, the flow divider is a medical three-way valve, and three branch outlets of the medical three-way valve are respectively connected to the conduit, the negative pressure generator and the container.
In the preferred embodiment of the present invention, the negative pressure generator is an electric pump, a manual knob pump or a syringe.
In the preferred embodiment of the present invention, the negative pressure generator comprises a tube body, a rotating member, a transmission rod and a sealing member; the rotating part is arranged on the pipe body, the transmission rod and the sealing part are arranged in the pipe body, the transmission rod is fixedly connected with the sealing part, and the transmission rod is sealed with the pipe body through the sealing part; the rotation of the rotating part drives the transmission rod and the sealing piece to move back and forth in the pipe body to generate negative pressure.
The utility model discloses in the preferred embodiment, it is the knob to rotate the piece, the transfer line is the bolt pull rod, knob and bolt pull rod pass through trapezoidal threaded connection, the diameter of knob does at least twofold of the diameter of body.
In the preferred embodiment of the present invention, the body of the negative pressure generator is provided with scale marks.
In a preferred embodiment of the present invention, the conduit is a hose.
The utility model discloses in the preferred embodiment, divide the extraction that liquid device is used for the amniotic fluid to divide liquid.
In the preferred embodiment of the present invention, when a plurality of the shunts are connected in cascade, each of the shunts is connected to the container in a sealing manner, the negative pressure generator can be used as a liquid mixer.
Compared with the prior art, the utility model discloses the beneficial effect who produces is:
(1) the utility model provides a amniotic fluid extraction divides liquid device is provided with the shunt, utilizes negative pressure generator can once extract the amniotic fluid in a large number and realize dividing the liquid many times, has shortened the time that the foetus exposes under sharp ware (pjncture needle) greatly.
(2) The utility model provides a amniotic fluid extraction divides and is provided with the hose in the liquid device, makes the vertical atress of pjncture needle become horizontal atress, and the doctor operates more conveniently, comfortable, has increased the security of operation.
(3) The utility model provides an adopt electronic negative pressure generator among the amniotic fluid extraction divides liquid device, can further shorten amniotic fluid extraction time, the accurate measurement of amniotic fluid extraction volume can be realized in the cooperation of the scale mark on electronic negative pressure generator and the negative pressure generator.
(4) The utility model provides a amniotic fluid extraction divides liquid device sets up a plurality of shunts, and a plurality of shunts cascade, and every knockout can all correspond a container or a plurality of container, can realize the amniotic fluid of more times and divide liquid.
(5) The utility model provides a amniotic fluid extraction divides liquid device sets up a plurality of shunts that cascade, and when every shunt and container sealing connection, negative pressure generator can regard as the liquid mixer to use.
Drawings
Fig. 1 is a schematic structural diagram of a liquid separating device in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a liquid separating device in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a negative pressure generator according to an embodiment of the present invention.
Fig. 4 is an operation diagram of the amniotic fluid extraction device in the prior art.
Wherein: 1-negative pressure generator, 2-knob, 3-bolt pull rod, 4-medical three-way valve, 5-valve switch, 6-hose, 7-puncture needle, 8-culture tube, 9-tube body and 10-sealing rubber pad.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
In the prior art, as shown in fig. 4, when performing an amniotic fluid puncture operation, about 30ml of amniotic fluid is generally required to be extracted, the amount of amniotic fluid to be extracted in a special case is more, and a 10ml syringe is generally used, and the whole suction process is completed through multiple operations. Repeated operation for many times increases the time that the fetus is exposed to a sharp instrument (puncture needle), and when amniotic fluid is injected into the culture tube, the conditions of liquid leakage and the like are easy to occur. The doctor holds the injector to vertically and directly insert the puncture needle into the placenta to suck amniotic fluid, and certain potential safety hazards also exist.
EXAMPLE one (liquid extraction)
The utility model provides an embodiment of an amniotic fluid extraction and separation device, as shown in figure 1, which comprises a negative pressure generator, a flow divider, a conduit, a puncture needle 7 and a plurality of containers; the negative pressure generator is sequentially connected with the shunt, the catheter and the puncture needle 7, preferably, in an optional embodiment of the negative pressure generator, the negative pressure generator is an electric pump, a manual knob pump or an injector, when the electric pump is adopted, the time for extracting the amniotic fluid by the amniotic fluid extracting and separating device can be further shortened, the negative pressure generator can be matched with scale marks arranged on the negative pressure generator for use, and the accurate measurement of the amniotic fluid extracting amount can be realized. The shunt is preferably a medical three-way valve 4, the medical three-way valve 4 is provided with a valve switch 5, the medical three-way valve 4 is provided with three branch outlets, the three branch outlets are respectively connected with the conduit, the negative pressure generator 1 and the container, preferably, the conduit is a hose 6, the stress direction of the puncture needle 7 is changed into transverse stress, and the safety performance of the device is improved. In this embodiment, the vessel is a culture tube 8.
When liquid is sucked, the valve switch 5 conducts the negative pressure generator 1 and the puncture needle 7, cuts off the conduction between the negative pressure generator 1 and the culture tube 8, and stores the liquid in the negative pressure generator 1; after the pumping is finished, the valve switch 5 conducts the negative pressure generator 1 and the culture tubes 8, the conduction between the negative pressure generator 1 and the puncture needle 7 is cut off, one or more times of liquid separation is completed, and a doctor detects amniotic cells or detects other cells.
Example two (liquid extraction and separation)
The utility model provides an embodiment of a amniotic fluid extraction and separation device, as shown in figure 2, which comprises a negative pressure generator 1, a plurality of medical three-way valves 4, a hose 6, a puncture needle 7 and a plurality of culture tubes 8; the negative pressure generator 1 is sequentially connected with a plurality of medical three-way valves 4, hoses 6 and puncture needles 7, wherein the plurality of medical three-way valves 4 are cascaded, each medical three-way valve 4 is provided with a valve switch 5, the leftmost medical three-way valve 4 is connected with the hose 6, the rightmost medical three-way valve 4 is connected with the negative pressure generator 1, and each medical three-way valve 4 is connected with a plurality of culture tubes 8; a plurality of shunts are cascaded, and each knockout can correspond one container or a plurality of containers, can realize the amniotic fluid and divide the liquid more times.
In this embodiment, as shown in fig. 3, the negative pressure generator 1 includes a tube 9, a knob 2, a bolt pull rod 3, and a sealing rubber gasket 10; the pipe body 9 is provided with scale marks, the knob 2 is arranged on the pipe body 9, the bolt pull rod 3 and the sealing rubber gasket 10 are arranged in the pipe body 9, the bolt pull rod 3 is fixedly connected with the sealing rubber gasket 10, and the bolt pull rod 3 is sealed with the pipe body 9 through the sealing rubber gasket 10; the rotation of the knob 2 drives the bolt pull rod 3 and the sealing rubber gasket 10 to move back and forth in the pipe body 9 to generate negative pressure. The knob 2 and the bolt pull rod 3 are connected through trapezoidal threads, the diameter of the knob 2 is twice that of the pipe body 9, bidirectional force transmission can be achieved, and labor is saved as much as possible in use.
When liquid is sucked, all valve switches 5 are controlled to conduct the negative pressure generator 1 and the puncture needle 7, the conduction between the negative pressure generator 1 and all culture tubes 8 is cut off, and the liquid is stored in the negative pressure generator 1; after the pumping is finished, the valve switch 5 conducts the negative pressure generator 1 and all culture tubes 8, the conduction between the negative pressure generator 1 and the puncture needle 7 is cut off, the repeated liquid separation is completed, and a doctor detects amniotic cells or detects other cells.
EXAMPLE III (Mixed liquid)
In an alternative embodiment, the negative pressure generator may be used as a liquid mixer when a plurality of diverters are cascaded, each diverter being sealingly connected to a container, the negative pressure generator preferably being a syringe, the diverter preferably being a medical three-way valve 4, and the sealed container preferably being a syringe connected to the medical three-way valve 4.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. A liquid extraction and separation device comprising: a negative pressure generator, a shunt, a catheter, a puncture needle and a container; the negative pressure generator is sequentially connected with the shunt, the catheter and the puncture needle, and the shunt is provided with a valve; when liquid is sucked, the valve conducts the negative pressure generator and the puncture needle, the conduction between the negative pressure generator and the container is cut off, and the liquid is stored in the negative pressure generator; after the suction is finished, the valve conducts the negative pressure generator and the container, and the conduction between the negative pressure generator and the puncture needle is cut off; wherein the flow divider comprises two or more branch outlets for introducing the liquid into the two or more containers.
2. The liquid extraction and separation device of claim 1, wherein the device comprises a plurality of cascaded diverters, the diverter at one end being connected to the negative pressure generator, the diverter at the other end being connected to the conduit, each diverter being connected to a plurality of the containers.
3. The liquid taking and separating device according to claim 1 or 2, wherein the flow divider is a three-way medical valve, and three branch outlets of the three-way medical valve are respectively connected with the conduit, the negative pressure generator and the container.
4. The liquid extraction and separation device of claim 1, wherein the negative pressure generator is an electric pump, a manual knob pump, or a syringe.
5. The liquid extracting and separating device of claim 1, wherein the negative pressure generator comprises a tube body, a rotating member, a transmission rod and a sealing member; the rotating part is arranged on the pipe body, the transmission rod and the sealing part are arranged in the pipe body, the transmission rod is fixedly connected with the sealing part, and the transmission rod is sealed with the pipe body through the sealing part; the rotation of the rotating part drives the transmission rod and the sealing piece to move back and forth in the pipe body to generate negative pressure.
6. The liquid extracting and separating device as claimed in claim 5, wherein the rotating member is a knob with a screw inside, the transmission rod is a bolt pull rod, the knob and the bolt pull rod are connected by trapezoidal threads, and the diameter of the knob is at least twice the diameter of the tube body.
7. The liquid extracting and separating device of claim 4, wherein the tube of the negative pressure generator is provided with scale marks.
8. The liquid extraction and separation device of claim 1 wherein the conduit is a hose.
9. The liquid extraction and separation device of claim 1, wherein the liquid extraction and separation device is used for extraction and separation of amniotic fluid.
10. The device for extracting and dispensing liquids according to claim 2, wherein said negative pressure generator is adapted to act as a liquid mixer when a plurality of said diverters are cascaded, each of said diverters being sealingly connected to said container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723281.1U CN210144681U (en) | 2019-05-20 | 2019-05-20 | Get liquid and divide liquid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920723281.1U CN210144681U (en) | 2019-05-20 | 2019-05-20 | Get liquid and divide liquid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210144681U true CN210144681U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920723281.1U Active CN210144681U (en) | 2019-05-20 | 2019-05-20 | Get liquid and divide liquid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210144681U (en) |
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2019
- 2019-05-20 CN CN201920723281.1U patent/CN210144681U/en active Active
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Effective date of registration: 20220629 Address after: No.18 Xingshan Road, torch hi tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Shandong Weigao Group Medical Polymer Co.Ltd. Address before: 100191 No.3 Hospital of Peking University, 49 Garden Road North, Beijing, Haidian District Patentee before: PEKING University THIRD HOSPITAL (PEKING UNIVERSITY THIRD CLINICAL MEDICAL College) |