Lightproof tee joint valve with filtering function

Abstract

The utility model discloses a light -proof three -way valve with filter function, including valve shell, valve core and movable joint. Valve shell is equipped with along the left and right extension's liquid medicine channel and a plurality of upwardly extending injection channel, and each injection channel is correspondingly provided with the valve core that can control its on -off with liquid medicine channel, and the movable joint with built -in filter membrane is connected to both ends of liquid medicine channel and each injection channel opening end, realizes the microparticle filtration in the liquid medicine transfusion process. Valve shell and movable joint adopt polycarbonate base material blend color dye and ultraviolet absorbent and are made, form the light -proof structure. The three -way valve realizes the synchronous transfusion of multiple drugs through the multichannel design, and the filter membrane structure effectively intercepts the particulate pollutants, and the light -proof material system can block the light energy conduction, prevents the photodegradation or oxidation reaction of photosensitive drug. The utility model integrates the three major functions of multi -pass transfusion, particle filtration and light -proof protection, and significantly improves the safety and applicability of infusion therapy.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a light-shielding three-way valve with a filtration function. Background Technology

[0002] Three-way valves are common infusion accessories, mainly used in conjunction with infusion devices. After establishing intravenous access for a patient, they are used for infusion, blood transfusion, medication administration, and access switching.

[0003] Currently, three-way valves used for intravenous infusions are generally single valves that control the infusion rate and channel. Furthermore, some medications used for specific treatments (primarily anti-tumor drugs) are photosensitized, and exposure to light during infusion can easily lead to degradation and oxidation. Insoluble microparticles may also be present during infusion; if these particles enter the patient's blood vessels, they can easily cause local irritation, phlebitis, and thrombosis. Therefore, three-way valve products urgently need optimization and improvement. Utility Model Content

[0004] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a light-shielding three-way valve with a filtering function, which is applicable to the addition and infusion of various drugs, and can shield and filter special drugs from light.

[0005] A light-shielding three-way valve with filtration function according to an embodiment of the present invention includes a valve body, a valve core, and a movable connector. The valve body has a liquid channel and an injection channel. The liquid channel extends out of the valve body in a left-right direction. One end of the injection channel is connected to the injection channel, and the other end extends upward out of the valve body. Several injection channels are provided. The valve core is correspondingly provided with each injection channel and is connected to the valve body. The valve core is located at the intersection of the liquid channel and the injection channel. Both the liquid channel and the injection channel are controlled to be blocked or opened by the valve core. The movable connector connects to the left and right ends of the liquid channel and the open end of the injection channel. A filter membrane is provided inside the movable connector. The valve body and the movable connector are made of a blend of color dye, ultraviolet absorber, and polycarbonate.

[0006] It has at least the following beneficial effects:

[0007] The valve body features a coordinated drug delivery channel and injection channel, allowing for multiple injection channels within the drug delivery channel. This enables the simultaneous infusion of multiple medications in a single infusion. A filter membrane within the movable connector filters out particulate matter from the drug solution, ensuring infusion safety. Both the valve body and the movable connector are made from a blend of color dyes, UV absorbers, and polycarbonate. The valve body undergoes a light-protection modification treatment, preventing the drug solution from absorbing light energy and undergoing decomposition or oxidation reactions during the infusion of photosensitive drugs, thus avoiding drug inactivation.

[0008] According to some embodiments of this utility model, the valve housing is provided with holes corresponding to the valve core, and the holes are used to hang tags.

[0009] According to some embodiments of the present invention, the valve housing includes a body and an indicator plate. The indicator plate is integrally formed with the body. The liquid channel and the injection channel are both located in the body, and the holes are located on the indicator plate.

[0010] According to some embodiments of this utility model, a knob is provided on the valve core, and the knob is used to operate the valve core to rotate.

[0011] According to some embodiments of the present invention, the filter membrane is detachably embedded in the movable joint.

[0012] According to some embodiments of the present invention, a baffle is provided on the inner side of the movable joint, and the filter membrane is embedded in the baffle.

[0013] According to some embodiments of this utility model, the left end, right end and opening end of the drug channel are all threaded with movable joints.

[0014] According to some embodiments of this utility model, a hollow hole is provided between two adjacent valve cores on the valve housing.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0017] Figure 1 This is a schematic diagram of the structure of a light-shielding three-way valve with filtering function according to an embodiment of the present invention;

[0018] Figure 2 for Figure 1 An exploded view of the movable joint of a light-shielding three-way valve with a filtering function is shown.

[0019] Figure label:

[0020] Valve housing 100, body part 100a, indicator plate 100b;

[0021] Medicine channel 110, medicine injection channel 120, hole position 130, perforated hole 140;

[0022] Valve core 200, knob 210;

[0023] 300 movable connector, 310 filter membrane, 320 baffle. Detailed Implementation

[0024] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and 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. Therefore, they should not be construed as limitations on this utility model.

[0025] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0026] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0027] Reference Figure 1 and Figure 2 This utility model discloses a light-shielding three-way valve with filtering function, including valve body 100, valve core 200 and movable joint 300. The valve body 100 is provided with a liquid medicine channel 110 and a drug injection channel 120. The liquid medicine channel 110 extends out of the valve body 100 in a left-right direction. One end of the drug injection channel 120 is connected to the drug injection channel 120, and the other end of the drug injection channel 120 extends upward out of the valve body 100. Several drug injection channels 120 are provided. The valve core 200 is provided in a one-to-one correspondence with the drug injection channel 120. The valve core 200 is connected to the valve body 100 and is located at the intersection of the liquid medicine channel 110 and the drug injection channel 120. The liquid medicine channel 110 and the drug injection channel 120 are both controlled to be blocked or opened by the valve core 200. The movable joint 300 is connected to the left end, the right end of the liquid medicine channel 110 and the open end of the drug injection channel 120. The movable joint 300 is provided with a filter membrane 310. The valve body 100 and the movable joint 300 are made of a blend of color dye, ultraviolet absorber and polycarbonate.

[0028] It should be understood that the drug solution channel 110 and the drug injection channel 120 of the valve housing 100 cooperate with each other to achieve multiple drug injection channels 120 on the drug solution channel 110, ensuring that multiple drugs can be added and infused together during a single infusion. A filter membrane 310 is installed inside the movable connector 300 to filter particles in the drug solution, ensuring the safety of the infusion. The valve housing 100 and the movable connector 300 are made of a blend of color dye, ultraviolet absorber, and polycarbonate; that is, the valve housing 100 undergoes light-shielding modification treatment. This prevents the drug solution from absorbing light energy and undergoing decomposition, oxidation, or other reactions during the infusion of photosensitive drugs, thus avoiding drug inactivation.

[0029] It should be noted that the valve body 100 and the movable connector 300 are made by blending colored dyes (different colors) and ultraviolet absorbers with polycarbonate (PC), which gives the valve body 100 and the movable connector 300 a light-shielding effect (light-shielding range: 290 nm~460 nm) and a certain degree of transparency, making it convenient to observe the infusion status during use. The valve core 200 of the three-way valve is a non-transparent part, so it does not require light-shielding modification treatment.

[0030] In some embodiments, the valve housing 100 is provided with a hole 130 corresponding to the valve core 200, and the hole 130 is used to hang a tag. It is understood that the tag can be provided with instruction text to prevent medical staff from making mistakes in the midst of chaos and confusing the types of medications required for different channels.

[0031] In some embodiments, the valve housing 100 includes a body portion 100a and an indicator plate 100b. The indicator plate 100b is integrally formed with the body portion 100a. Both the liquid channel 110 and the injection channel 120 are located on the body portion 100a, and the orifice 130 is located on the indicator plate 100b. It is understood that the indicator plate 100b can both hang an indicator tag and be easily gripped; it has good mechanical strength and is less prone to breakage compared to several three-way valves connected in series.

[0032] In some embodiments, a knob 210 is provided on the valve core 200. The knob 210 is used to operate the valve core 200 to rotate. It can be understood that the knob 210 is provided with three arrows pointing outwards. The valve core 200 has three interconnected holes, and the direction of the valve core 200 is determined by rotating it.

[0033] In some embodiments, the filter membrane 310 is detachably embedded in the movable joint 300. It is understood that the filter membrane 310 is adhered to the movable joint 300 by adhesive. A baffle 320 is provided on the inner side of the movable joint 300, and the filter membrane 310 is embedded in the baffle 320.

[0034] In some embodiments, the left and right ends of the liquid channel 110 and the open end of the injection channel 120 are all threadedly connected to a movable connector 300. A perforated hole 140 is provided between two adjacent valve cores 200 on the valve housing 100. It should be noted that the perforated hole 140 allows observation of the flow of medicine in the liquid channel 110 and allows for easy handling. The so-called movable connector 300 refers to a detachable connector, mainly used for transfer connection.

[0035] It should be noted that the valve core 200 has three interconnected holes, which correspond to the liquid medicine channel 110 and the injection channel 120. Rotating the valve core 200 can block the injection channel 120 while opening the liquid medicine channel 110, meaning that the liquid medicine channel 110 is completely unobstructed from the left end to the right end. Rotating the valve core 200 can also connect the injection channel 120 and the liquid medicine channel 110, while keeping the liquid medicine channel 110 completely unobstructed from the left end to the right end. Rotating the valve core 200 can also connect the injection channel 120 and the liquid medicine channel 110, but the liquid medicine channel 110 will be blocked. The key is to see which channel is blocked on the side of the valve core 200 without holes, thereby achieving different connection settings.

[0036] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A light-shielding three-way valve with filtering function, characterized in that, include: The valve housing (100) is provided with a liquid medicine channel (110) and a drug injection channel (120). The liquid medicine channel (110) extends out of the valve housing (100) in the left-right direction. One end of the drug injection channel (120) is connected to the drug injection channel (120), and the other end of the drug injection channel (120) extends upward out of the valve housing (100). The drug injection channel (120) is provided with a plurality of channels. A valve core (200) is provided in a one-to-one correspondence with the drug injection channel (120). The valve core (200) is connected to the valve housing (100). The valve core (200) is located at the intersection of the liquid drug channel (110) and the drug injection channel (120). The liquid drug channel (110) and the drug injection channel (120) are both controlled to be blocked or opened by the valve core (200). The movable connector (300) is connected to the left end and right end of the liquid channel (110) and the opening end of the injection channel (120). A filter membrane (310) is provided inside the movable connector (300). The valve body (100) and the movable joint (300) are made of a blend of color dye, ultraviolet absorber and polycarbonate.

2. The light-shielding three-way valve with filtering function according to claim 1, characterized in that, The valve housing (100) is provided with a hole (130) corresponding to the valve core (200), and the hole (130) is used to hang a tag.

3. A light-shielding three-way valve with filtering function according to claim 2, characterized in that, The valve housing (100) includes a body part (100a) and an indicator plate (100b). The indicator plate (100b) is integrally formed with the body part (100a). The liquid channel (110) and the injection channel (120) are both located on the body part (100a). The hole (130) is located on the indicator plate (100b).

4. A light-shielding three-way valve with filtering function according to claim 1, characterized in that, A knob (210) is provided on the valve core (200), and the knob (210) is used to operate the valve core (200) to rotate.

5. A light-shielding three-way valve with filtering function according to claim 1, characterized in that, The filter membrane (310) is detachably embedded in the movable joint (300).

6. A light-shielding three-way valve with filtering function according to claim 1, characterized in that, A baffle (320) is provided on the inner side of the movable joint (300), and the filter membrane (310) is embedded in the baffle (320).

7. A light-shielding three-way valve with filtering function according to claim 1, characterized in that, The left and right ends of the liquid channel (110) and the open end of the injection channel (120) are all threadedly connected to the movable joint (300).

8. A light-shielding three-way valve with filtering function according to claim 1, characterized in that, A perforated hole (140) is provided between two adjacent valve cores (200) on the valve housing (100).

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