CN211675401U - Liquid preparation device - Google Patents

Abstract

The utility model relates to a liquid dispenser, comprising a communication part, a first insertion part, a second insertion part and a connecting head, wherein a cavity is arranged in the communication part, and the first insertion part, the second insertion part and the The connecting heads are respectively connected with the communicating parts and communicated with the cavity, and control parts for controlling on/off are respectively arranged between the communicating parts and the first inserting part and the second inserting part. It is used to connect the power parts for drawing and injection; the liquid dispenser provided by the utility model has a simple, compact structure and low cost, and can be very labor-saving and efficient for liquid medicine configuration, which can not only avoid the problems caused by repeated needle insertion and extraction, Moreover, it can effectively avoid contaminating the liquid, and is especially suitable for occasions with a large amount of liquid dispensing, which can greatly reduce the workload and work intensity of nurses.

Description

a dispenser

technical field

The utility model relates to the technical field of medical devices, in particular to a liquid dispenser.

Background technique

Infusion is an important part of nurses' daily work. Before infusion, nurses need to dispense fluids according to the doctor's prescription. In clinical practice, syringes (or empty needles) are usually used for fluid dispensing. Insert into the liquid to be added, for example, into an ampoule or liquid packaging bag, then use an empty needle to draw out the liquid, then pull out the needle of the syringe and insert it into the infusion bag or infusion bottle, and finally put the liquid in the syringe It is injected into the infusion bag or infusion bottle, and the needle of the syringe is pulled out to complete the configuration of one medicinal solution. When multiple medicinal solutions need to be configured, the above operations can be repeated.

The use of a syringe (or an empty needle) for liquid dispensing usually has the following shortcomings: 1. The workload of nurses is large, and there are problems of repeated suction and repeated needle insertion and extraction, especially when there are many liquid medicines to be prepared, the work of nurses The amount is very large; 2. It is very laborious, especially when configuring a variety of liquid medicines, it is necessary to repeatedly insert the needle of the syringe into the rubber stopper of the infusion bag or infusion bottle, which is not only laborious, but also easy to damage the rubber stopper and produce Small rubber particles that contaminate liquids.

Utility model content

The purpose of this utility model is to improve the deficiencies existing in the prior art, and to provide a liquid dispenser. By using the liquid dispenser, the liquid dispensing can be performed very labor-savingly and efficiently, and not only can avoid the problems caused by repeated needle insertion and extraction problem, and can effectively avoid contamination of the liquid, especially suitable for occasions with a large number of liquids.

The technical scheme adopted by the utility model is:

A liquid dispenser includes a communication part, a first insertion part, a second insertion part and a connecting head, wherein the communication part is provided with a cavity, and the first insertion part, the second insertion part and the connection head are respectively connected with the The communicating portion is connected and communicated with the cavity, and between the communicating portion, the first inserting portion and the second inserting portion are respectively provided with control components for controlling on/off, and the connecting head is used to connect the pumping unit. Inject power components. In the liquid dispenser, there are two insertion parts. During liquid dispensing, the first insertion part can be inserted into an infusion bag or an infusion bottle, and the second insertion part is used to be inserted into the packaging of medicinal liquids, such as ampoules, medicinal liquids Bags, etc., the connecting head can be connected to the infusion power part, which can be an existing syringe, an existing automatic infusion device, etc., by adjusting the two control parts, and using the power provided by the infusion power part , the liquid in the ampoule or liquid medicine bag can be easily drawn out and injected into the infusion bag or infusion bottle smoothly. When the next liquid medicine is prepared, the first insertion part remains inserted, and only The second insertion part can be inserted into the ampoule bottle or the liquid medicine bag of another medicinal liquid, and in this way, the configuration of various medicinal liquids can be conveniently, efficiently and labor-savingly completed; therefore, the liquid dispenser provided in this embodiment is used. It is very labor-saving and efficient for liquid dispensing, which can not only avoid the problem of repeated needle insertion and extraction, but also effectively avoid contaminating the liquid, especially suitable for occasions with a large number of liquid dispensing types, which can greatly reduce the work of nurses volume and work intensity.

Preferably, the first insertion portion and/or the second insertion portion are steel pins or plastic pins. for insertion into the rubber stopper for sealing and for communication.

In one solution, the control component is a valve. The valve can be easily and effectively controlled on/off for suction and injection operations respectively.

In another solution, a connecting hose is also included, the connecting hose is arranged between the communication part and the first insertion part, and/or between the communication part and the second insertion part, and the control part is arranged at The connecting hose, and the control member is a clamp. Since the hose is used, the use of the clamp can not only conveniently and effectively control the on/off of the connecting hose, but also compared with the valve, the cost of the clamp is greatly reduced, which is beneficial to reduce the cost of the entire liquid dispenser.

Preferably, the communicating portion may be a cylindrical or square structure. Ease of production and manufacture.

In order to reduce costs, further, the communicating portion can be made of plastic.

Preferably, the connecting head is provided with a cylindrical or conical connecting port, and the connecting port is used for connecting the nipple of the syringe. In order to use the syringe to provide the power required for suction and injection.

To facilitate connection, further, the connector is made of rubber or plastic. When rubber is used, it has a certain elasticity, which is conducive to a tighter connection with the syringe nipple.

In order to facilitate sterilization, further, a heparin cap is provided at the connection head, and the heparin cap is used to close the connection head. The setting of the heparin cap can not only prevent the contamination of the connector, but also can conveniently sterilize the heparin cap. When in use, only the needle of the syringe needs to be inserted into the heparin cap, and the communication between the communicating part and the syringe can be conveniently realized.

Further, a pumping part is also included, the pumping part is connected with the connecting head and is used for providing suction force and injection force.

In one solution, the pumping part is a balloon. By squeezing the airbag to generate negative pressure, suction force and injection force can be generated, so as to successfully complete the suction and injection functions of the medicinal liquid.

In another solution, the pumping part includes a cylinder body and a piston rod, the cylinder body is connected with the connecting head, a piston is arranged in the cylinder, one end of the piston rod is connected with the piston, and the other end extends out of the cylinder, and is provided with a handle. By pushing the piston with an external force, the piston moves along the cylinder body, and the suction force and the injection force can be generated, so that the suction and injection functions of the medicinal liquid can be successfully completed.

Compared with the prior art, using the liquid dispenser provided by the utility model has the advantages of simple and compact structure, low cost, very labor-saving and efficient configuration of the liquid medicine, and can not only avoid the problems caused by repeated needle insertion and extraction. , and can effectively avoid contaminating the liquid, especially suitable for occasions with a large amount of liquid dispensing, which can greatly reduce the workload and work intensity of nurses.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a liquid dispenser provided in Embodiment 1 of the present invention.

FIG. 2 is a partial schematic diagram of a liquid dispenser provided in Embodiment 1 of the present invention after being connected to a syringe.

3 is a schematic structural diagram of another liquid dispenser provided in Embodiment 1 of the present invention.

4 is a schematic structural diagram of a liquid dispenser provided in Embodiment 2 of the present invention.

FIG. 5 is a schematic structural diagram of another liquid dispenser provided in Embodiment 2 of the present invention.

Description of the marks in the figure

The communication part 100, the first insertion part 101, the second insertion part 102, the connection head 103, the clamp 104, the connection hose 105, the connection port 106, the heparin cap 107,

Syringe nipple 201,

Airbag 300,

Cylinder 401, piston rod 402, handle 403, scale 404.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. . The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present invention.

Example 1

Referring to FIG. 1 and FIG. 2 , a liquid dispenser is provided in this embodiment, including a communication part 100 , a first insertion part 101 , a second insertion part 102 and a connecting head 103 , wherein the communication part 100 is provided with There is a cavity, the first insertion part 101, the second insertion part 102 and the connector 103 are respectively connected with the communication part 100 and communicated with the cavity, and the communication part 100 is connected with the first insertion part 101 and Between the second insertion parts 102, control components for controlling on/off are respectively disposed, and the connecting heads 103 are used for connecting the pumping power components.

In the liquid dispenser, two insertion parts are provided. During liquid dispensing, the first insertion part 101 can be inserted into an infusion bag or an infusion bottle, and the second insertion part 102 is used to be inserted into the packaging of the medicinal solution, such as ampoules, Liquid medicine bags, etc., the connecting head 103 can be connected to the pumping power component, and the pumping power component can be an existing syringe, an existing automatic pumping device, etc. By adjusting the two control components, and using the pumping power component The provided power can easily draw out the medicinal liquid in the ampoule bottle or the medicinal solution bag, and smoothly inject it into the infusion bag or the infusion bottle. It is enough to insert the second insertion part 102 into the ampoule bottle or the liquid medicine bag of another medicinal liquid, and in this way, the configuration of various medicinal liquids can be conveniently, efficiently and labor-savingly completed; The provided dosing device can be very labor-saving and efficient for dosing. It can not only avoid the problem of repeatedly inserting and pulling out the needle, but also can effectively avoid contaminating the liquid. Greatly reduce the workload and work intensity of nurses.

It can be understood that the medicinal liquid that is drawn into the dispenser can be stored in the cavity of the communication part 100 or in the pumping power component. For example, when a syringe is used for the pumping power component, the The aspirated liquid can be stored directly in the syringe barrel.

Preferably, the first inserting portion 101 and/or the second inserting portion 102 may be a steel needle or a plastic needle; so as to be inserted into a rubber stopper for sealing and communicate with each other. As an example, as shown in FIG. 1 , in this embodiment, both the first insertion portion 101 and the second insertion portion 102 are steel needles.

It can be understood that there are various implementations of the control component. As an example, in one implementation, the control component may be a valve. The valve can be easily and effectively controlled on/off for suction and injection operations respectively. The valve can be a common valve in the existing medical field, which will not be repeated here.

As another example, the liquid dispenser further includes a connecting hose 105, and the connecting hose 105 is disposed between the communicating portion 100 and the first inserting portion 101, and/or the communicating portion 100 and the second inserting portion Between 102 and 102, the control part is arranged on the connecting hose 105, and the control part is a clamp 104, as shown in FIG. Compared with the valve, the cost of the clamp 104 is greatly reduced, which is beneficial to reduce the cost of the entire liquid dispenser.

It can be understood that the clamp 104 can be a commonly used clamp 104 in the prior art, which will not be illustrated one by one here.

It can be understood that the communication part 100, as a transfer part of the medicinal solution, has various implementations, as long as the first insertion part 101, the second insertion part 102 and the connecting head 103 can be ensured to communicate with each other; The communicating portion 100 can be cylindrical or square in structure; easy to manufacture and manufacture. As an example, as shown in FIG. 1 , in this embodiment, the communication part 100 with a cylindrical structure is adopted, which is beneficial to the structure of the whole liquid distributor being more compact and beautiful.

In order to reduce costs, in a further solution, the communicating portion 100 may preferably be made of plastic.

In order to facilitate the connection of the syringe, in a preferred solution, the connecting head 103 is provided with a cylindrical or conical connection port 106, as shown in Figures 1 and 2, so as to fit with the nipple 201 of the syringe, In order to connect the nipple 201 of the syringe more closely, so as to provide the power required for suction and injection by the syringe.

In order to facilitate connection, in a further solution, the connecting head 103 can be preferably made of rubber or plastic; especially when rubber is used, the connecting head 103 has a certain elasticity, which is conducive to a tighter connection of the syringe nipple and avoids using fall off in the process.

In order to facilitate sterilization, in another preferred solution, a heparin cap 107 is provided at the connecting head 103, and the heparin cap 107 is used to close the connecting head 103, as shown in FIG. 3; the setting of the heparin cap 107 not only The contamination of the connector 103 can be avoided, and the heparin cap 107 can be easily sterilized. When in use, only the needle of the syringe needs to be inserted into the heparin cap 107, and the communication portion 100 and the syringe can be easily communicated.

The process of using the liquid dosing device provided in this embodiment to assist in liquid dispensing is as follows:

1. Insert the first insertion portion 101 into an infusion bag or an infusion bottle (as an example, the present embodiment adopts an infusion bag), and the second insertion portion 102 is inserted into a package containing a medicinal solution, such as an ampoule bottle, a medicinal solution bag etc., connect the syringe (empty needle) with the connector 103;

2. Close the control part between the first insertion part 101 and the communication part 100, and open the control part between the second insertion part 102 and the communication part 100, so that the medicinal liquid communicates with the syringe through the second insertion part 102;

3. Pull the syringe and draw the medicinal liquid into the syringe. The scale 404 on the syringe barrel can be used for measurement;

4. Close the control part between the second insertion part 102 and the communication part 100, and open the control part between the first insertion part 101 and the communication part 100, so that the syringe communicates with the infusion bag through the first insertion part 101;

5. Push the syringe and inject the liquid in the syringe into the infusion bag to complete the configuration of the liquid;

6. Pull out the second insertion part 102, add it to another medicinal solution package, and then follow the steps 2-5 to conveniently complete the configuration of another medicinal solution.

This cycle of operations is performed until all the medicinal solutions are configured, and the first insertion portion 101 in the infusion bag can be pulled out.

It can be understood that when configuring non-liquid drugs, the liquid dispenser can also be used to extract part of the liquid in the infusion bag and inject it into the packaging of the drug. After the drug is dissolved, the liquid dispenser can be used to inject the liquid into the infusion solution. In the bag, shake well at the end.

Example 2

The main difference between this embodiment 2 and the above-mentioned embodiment 1 is that the dispenser provided in this embodiment further includes a pumping part, and the pumping part is connected to the connecting head 103 for providing suction and injection force. That is, the liquid dispenser provided in this embodiment has a self-contained pumping and injecting power component, and does not need to use an additional syringe during liquid dispensing, which is more convenient to use.

As shown in FIG. 4 , as a preferred embodiment, the pumping part may be an air bag 300 . As shown in the figure, a spherical air bag 300 is used in this embodiment. When dispensing the liquid, the nurse can generate negative pressure by squeezing the airbag 300, so as to generate suction force and injection force, so as to successfully complete the suction and injection functions of the medicinal liquid.

As shown in FIG. 5, as another preferred embodiment, the pumping part includes a cylinder 401 and a piston rod 402, the cylinder 401 is connected with the connecting head 103, and a piston is arranged in the cylinder 401, One end of the piston rod 402 is connected with the piston, and the other end extends out of the cylinder 401 and is provided with a handle 403 . When dispensing the liquid, the nurse can push the piston to move the piston along the cylinder 401 to generate suction and injection force, so that the suction and injection functions of the liquid medicine can be successfully completed.

As shown in FIG. 5 , further, the barrel 401 is provided with a scale 404 to facilitate the nurse to measure the amount of suction or injection.

The auxiliary liquid dispensing process using the liquid dispensing device provided in this embodiment is the same as that in Embodiment 1, and will not be repeated here.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Replacement should be covered within the protection scope of the present invention.

Claims (10)

1. The liquid distributor is characterized by comprising a communicating part, a first inserting part, a second inserting part and a connector, wherein a cavity is arranged in the communicating part, the first inserting part, the second inserting part and the connector are respectively connected with the communicating part and communicated with the cavity, a control component for controlling on/off is respectively arranged between the communicating part and the first inserting part and between the communicating part and the second inserting part, and the connector is used for connecting a pumping and injecting power component.

2. The dispenser according to claim 1, wherein the first and/or second insert is a steel or plastic pin.

3. The dispenser according to claim 1, wherein the control member is a valve;

or the device also comprises a connecting hose which is arranged between the communicating part and the first inserting part and/or between the communicating part and the second inserting part, the control component is arranged on the connecting hose, and the control component is a clamping device.

4. The liquid dispenser according to claim 1, characterized in that the connector is provided with a cylindrical or conical connection for connecting a nipple of a syringe.

5. The liquid dispenser according to claim 1, characterized in that a heparin cap is arranged at the connector for closing the connector.

6. The dispenser according to any one of claims 1 to 5, further comprising a pumping section connected to the connector for providing a pumping force and an injection force.

7. The dispenser according to claim 6, wherein the pumping portion is a bladder.

8. The liquid dispenser according to claim 6, wherein the pumping part comprises a cylinder and a piston rod, the cylinder is connected with the connector, a piston is arranged in the cylinder, one end of the piston rod is connected with the piston, the other end of the piston rod extends out of the cylinder, and a handle is arranged on the piston rod.

9. The dispenser according to claim 1, wherein the communication portion is of cylindrical or square configuration.

10. The liquid dispenser according to claim 1, characterized in that the connection is made of plastic and/or the connection head is made of rubber or plastic.

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