Plug valve for mixing multiple liquid medicines

Abstract

The plug valve comprises a valve body, a valve element and a rotary screw opening, the valve body comprises a valve seat and a plurality of connectors, the connectors are communicated with the interior of the valve seat, the number of the connectors is four, the connectors are used for being in butt joint with the rotary screw opening and an injector, the valve element is rotatably connected to the valve seat, and the valve element is connected to the valve seat. The rotary valve element is used for rotating the valve element to be located at different angle positions so that communication between any two adjacent connectors can be switched. When the valve element is rotated to be located at different position angles, switching can be carried out to enable the channels to be communicated with any two adjacent connectors, mixed use of multiple kinds of liquid medicine can be achieved through rotation control over the valve element, a positioning groove is further formed in the upper end of the valve seat, and a positioning buckle is arranged on the valve element. The positioning buckle and the positioning groove are buckled in a matched mode so that the valve element and the valve seat can only generate rotational freedom, and normal use is prevented from being affected by separation during use.

Description

Technical Field

[0001] This utility model belongs to the field of medical supplies technology, and in particular relates to a stopcock valve for mixing multiple drug solutions. Background Technology

[0002] In medical treatment, some injections contain multiple different medications that need to be mixed. Existing stopcock valves can only inject medications and cannot mix multiple medications. Therefore, a stopcock valve that can be designed to mix multiple medications is needed. Utility Model Content

[0003] The purpose of this invention is to provide a stopcock valve for mixing multiple drug solutions, so as to solve the problems mentioned in the background art.

[0004] In view of this, the present invention provides a stopcock valve for mixing multiple liquids, including a valve body, a valve core, and a rotary screw. The valve body includes a valve seat and several connectors, the connectors being internally connected to the valve seat. Four connectors are provided for connecting the rotary screw and a syringe. The valve core is rotatably connected to the valve seat and is used to rotate the valve core to different angular positions to switch the communication between any two adjacent connectors. The upper end of the valve seat is also provided with a positioning groove, and the valve core is provided with a positioning buckle. The positioning buckle and the positioning groove are engaged to ensure that the valve core and the valve seat can only have rotational freedom.

[0005] A further embodiment of this invention is that the angles between the four connectors are right angles.

[0006] A further embodiment of this invention is that the four connectors are a first connector, a second connector, a third connector, and a fourth connector. The first connector, the second connector, and the third connector are all inserted into the syringe, and the fourth connector is inserted into the rotary screw.

[0007] A further embodiment of this invention is that the bottom of the valve seat is closed, and the top is open, and the interior of the valve seat is connected to the first connector, the second connector, the third connector and the fourth connector.

[0008] A further embodiment of this invention is that the valve core includes a hollow valve stem, and two vertically connected channels are opened on the outer side of the valve stem. The channels are blind channels. The valve stem is rotatably inserted into the valve seat. By rotating the valve core 90° once, the channels can connect only the first connector and the second connector, or only the second connector and the third connector, or only the third connector and the fourth connector.

[0009] A further embodiment of this invention includes a valve head located at the top of the valve stem, a handle on one side of the valve head, and a marking groove corresponding to the top surface of the valve head above the channel.

[0010] The beneficial effects of this utility model are:

[0011] This stopcock valve mainly consists of two parts: a valve body and a valve core. The valve body has a first connector, a second connector, a third connector, and a fourth connector. The valve core includes a valve stem with two vertically arranged channels. When the valve core is rotated to different positions and angles, the channels can be switched to connect any two adjacent connectors. The fourth connector connects to a rotating screw. The first, second, and third connectors all connect to syringes pre-filled with different medications. First, the channels connect the first and second connectors, and the syringe injects the medication. The medication enters the channel through the first connector and is finally pushed into the syringe from the second connector. Then, the valve core is rotated 90°, at which point the channels connect the second and third connectors. The syringe injects the medication, which has been mixed for the first time. The medication enters the channel through the second connector and is finally pushed into the syringe from the third connector for a second mixing. Then, the valve core is rotated 90° again, connecting the third and fourth connectors. The medication, after being mixed twice, enters the channel through the third connector and is finally injected out from the fourth connector. By controlling the rotation of the valve core, multiple medications can be mixed and used. Attached Figure Description

[0012] Figure 1 This is a schematic diagram illustrating the mixing of the medicinal solution according to this invention. Figure 1 ;

[0013] Figure 2 This is a schematic diagram illustrating the mixing of the medicinal solution according to this invention. Figure 2 ;

[0014] Figure 3 This is a schematic diagram illustrating the mixing of the medicinal solution according to this invention. Figure 3 ;

[0015] Figure 4 This is a schematic diagram of the structure of this utility model;

[0016] Figure 5 This is a schematic diagram of the valve core structure;

[0017] Figure 6 This is a schematic diagram of the valve body structure;

[0018] Figure 7 This is a schematic diagram of the valve seat structure. Detailed Implementation

[0019] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0020] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0021] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0022] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0023] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0024] like Figure 4 This embodiment provides a stopcock valve for mixing multiple liquids, including a valve body 1, a valve core 2, and a rotating screw 3.

[0025] In this embodiment, the valve body 1 includes a valve seat 10 and several connectors. The connectors are connected to the interior of the valve seat 10. There are four connectors for connecting the rotating screw 3 and the syringe 4. In this embodiment, there are three syringes 4, each pre-filled with a different liquid.

[0026] In this embodiment, further, such as Figure 4 The four connectors are at right angles to each other. The four connectors are the first connector 11, the second connector 12, the third connector 13 and the fourth connector 14. The first connector 11, the second connector 12 and the third connector 13 are all inserted into the syringe 4. The fourth connector 14 is inserted into the rotating screw 3. The three syringes 4 are arranged adjacent to each other.

[0027] Furthermore, the valve core 2 is rotatably connected to the valve seat 10, and is used to rotate the valve core 2 to different angular positions to switch the interconnection between any two adjacent connectors.

[0028] Meanwhile, the upper end of the valve seat 10 is provided with a positioning groove 15, and the valve core 2 is provided with a positioning buckle 25. The positioning buckle 25 and the positioning groove 15 are engaged to make the valve core 2 and the valve seat 10 only have rotational freedom. The positioning buckle has a barb design. When installing, after the positioning buckle 25 on the valve core 2 is aligned with the positioning groove 15 on the valve seat 10 and pressed in, the valve core 2 cannot be removed if the pulling force does not reach a certain level. At this time, the valve core 2 can only rotate on the valve seat 10 to prevent the valve core 2 from easily detaching from the valve seat 10 when rotating.

[0029] In this embodiment, the bottom of the valve seat 10 is closed and the top is open. The interior of the valve seat 10 is connected to the first connector 11, the second connector 12, the third connector 13 and the fourth connector 14.

[0030] And, as Figure 5 The valve core 2 includes a hollow valve stem 20. Two vertically connected channels 21 are formed on the outer side of the valve stem 20. These channels 21 are blind channels. The valve stem 20 is rotatably inserted into the valve seat 10. By rotating the valve core 2 by 90° in a single rotation, the channels 21 can connect only the first connector 11 and the second connector 12, or only the second connector 12 and the third connector 13, or only the third connector 13 and the fourth connector 14. First, as shown in Figure 2, the channel 21 connects the first connector 11 and the second connector 12. When the syringe 4 injects medication, the liquid enters the channel 21 through the first connector 11 and is finally pushed into the syringe 4 from the second connector 12. For example... Figure 3 Then rotate valve core 2 by 90°. At this time, channel 21 connects the second connector 12 and the third connector 13. The syringe 4 injects the medicine. The first mixed solution is injected through syringe 4, enters channel 21 through the second connector 12, and finally is pushed into syringe 4 from the third connector 13 for a second mixing. Figure 1 Then rotate the valve core 2 by 90° to connect the channel 21 to the third connector 13 and the fourth connector 14. After the drug solution is mixed twice, it is injected into the channel 21 through the third connector 13 by the syringe 4. Finally, the mixed drug solution is injected out from the fourth connector 14. By controlling the rotation of the valve core 2, the mixed use of multiple drug solutions can be realized. Finally, the screw port 3 can be rotated to connect to equipment or other injection instruments.

[0031] In addition, the valve core 2 also includes a valve head 22 located at the top of the valve stem 20. A handle 23 is provided on one side of the valve head 22. A marking groove 24 is provided on the top surface of the valve head 22 corresponding to the channel 21. The valve core 2 can be rotated easily through the handle 23. The function of the marking groove 24 is that the connector below the marking groove 24 is open when it is in this position, thereby improving the identification. The function of the handle 23 is to improve the convenience of rotating and adjusting the valve core 2.

[0032] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A cock valve for mixing of multiple chemical liquids, comprising a valve body, characterized in that, The valve body comprises a valve seat and several joints, the joints are in communication with the inside of the valve seat, the joints are provided with four and used for connecting the rotary screw and the injector, the valve core is rotatably connected on the valve seat, used for rotating the valve core to switch the communication between any two adjacent joints, the upper end of the valve seat is provided with a positioning groove, the valve core is provided with a positioning buckle, the positioning buckle and the positioning groove are matched to make the valve core and the valve seat only have rotational freedom, the angles between the four joints are right angles, the four joints are respectively a first joint, a second joint, a third joint and a fourth joint, the first joint, the second joint and the third joint are in plug-in cooperation with the injector, and the fourth joint is in plug-in cooperation with the rotary screw.

2. The cock valve for mixing multiple chemical solutions according to claim 1, wherein The bottom of the valve seat is closed, the top is provided with an opening, and the inside of the valve seat is in communication with the first joint, the second joint, the third joint and the fourth joint.

3. The cock valve for mixing multiple chemicals according to claim 2, wherein The valve core comprises a hollow valve rod, two vertical communication channels are formed on the outer side of the valve rod, the channels are blind channels, the valve rod is rotatably inserted into the valve seat, and the channels are only connected with the first joint and the second joint, or only connected with the second joint and the third joint, or only connected with the third joint and the fourth joint by rotating the valve core by 90 degrees at a time.

4. The cock valve for mixing multiple chemicals according to claim 3, wherein The valve core further comprises a valve head at the top of the valve rod, one side of the valve head is further provided with a handle, and the top surface of the valve head is further provided with a mark groove above the channel.

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