Transfusion four-way device
By designing a four-way infusion device with an added drug dispensing port and a rotating valve core, the problem of multi-channel drug dispensing that the three-way infusion device could not be met was solved, achieving flexible fluid connection, saving resources and improving operational efficiency.
Patent Information
- Application Number
- CN202422958753.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-03
AI Technical Summary
Existing infusion three-way valves can only provide one side port for drug administration, which cannot meet the needs of multi-channel drug administration, resulting in cumbersome operation and waste of resources.
Design an infusion four-way device, adding a drug dispensing port, and achieve the functions of "two-way" between any one inlet and outlet pipe, "three-way" between any two inlet and outlet pipes, "four-way" or "no-way" between three inlet and outlet pipes by rotating the valve core. Use red and blue indicator rods to indicate the direction of rotation, and the lever principle makes rotation easier.
It reduces the amount of infusion support devices used, saves resources, and enables flexible fluid connection methods, thereby improving operational efficiency.
Smart Images
Figure CN223846042U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical infusion field, especially a kind of infusion four-way. BACKGROUND
[0002] During intravenous infusion, drug is often added to infusion tube, especially for emergency rescue patients, anesthetic operation patients, ICU patients, because the types of drug to be added are many, and most are continuous drug addition, the existing solution is to add infusion auxiliary device-infusion three-way at infusion pipe joint.
[0003] The infusion three-way has three liquid passages, respectively liquid inlet, liquid outlet and a side port for adding drug, and the three liquid passages can realize "two-way" and "three-way" effect by adjusting valve, but one infusion three-way can only provide one side port, for the patient needing multi-channel drug addition, three-way consistent with the number of required drug addition channel or more should be added, so that operation is complicated, and resources are wasted.
[0004] Therefore, a kind of infusion four-way is needed, which can provide one more drug side port than infusion three-way, reduce the amount of infusion auxiliary device, save resources, and realize the function of "two-way" of any one liquid inlet and liquid outlet, "three-way" of any two liquid inlets and liquid outlets, "four-way" or "no way" of three liquid inlets and liquid outlets. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of infusion four-way, reduce the amount of infusion auxiliary device, save resources, and realize the function of "two-way" of any one liquid inlet and liquid outlet, "three-way" of any two liquid inlets and liquid outlets, "four-way" or "no way" of three liquid inlets and liquid outlets.
[0006] To solve the above technical problems, the utility model provides the following technical scheme:
[0007] The utility model provides a transfusion four -way, including valve body, rotating valve core, fixed valve core and first liquid inlet pipe, second liquid inlet pipe, third liquid inlet pipe, liquid outlet pipe in the form of 'cross' arrangement, red indicating rod, blue indicating rod of 45 DEG of adjacent of rotating valve core are provided with, the bottom of valve body sets up two valve body bottom protrusions opposite, for fixed valve core has the recess that fits therewith, makes fixed valve core cannot rotate, the inside of rotating valve core sets up first layer T type channel, second layer T type channel, first vertical channel, inclined channel, first layer T type channel with first vertical channel, the inclined channel is connected rotating valve core side wall and bottom center position, the inside of fixed valve core sets up center vertical channel, second vertical channel, horizontal channel, center vertical channel, second vertical channel through horizontal channel with liquid outlet pipe, first layer T type channel is higher than liquid outlet pipe, first layer T type channel cannot with liquid outlet pipe direct communication, first vertical channel and second vertical channel are communicated when rotating rotating valve core to special position, three liquid inlet pipes horizontal position is higher than liquid outlet pipe, rotating rotating valve core control second layer T type channel can make any two liquid inlet pipes simultaneously with liquid outlet pipe communication or three liquid inlet pipes do not communicate with liquid outlet pipe, rotating rotating valve core makes first vertical channel and second vertical channel communicate, and three liquid inlet pipes all communicate with liquid outlet pipe, rotating rotating valve core control inclined channel can make any one liquid inlet pipe with liquid outlet pipe communication, the utility model provides a transfusion four -way, compared with three -way, increase one dosing port, can save resources, and through rotating rotating valve core can realize the function of'two -way' of any one liquid inlet pipe and liquid outlet pipe,'three -way' of any two liquid inlet pipes and liquid outlet pipe,'four -way' of three liquid inlet pipes and liquid outlet pipe or'not -way'.
[0008] Red indicating rod, blue indicating rod, rod length exceeds valve core width, for rotating rotating valve core, utilize lever principle, make rotating rotating valve core more labor saving when.
[0009] The bottom of valve body sets up two valve body bottom protrusions opposite, and the fixed valve core has a recess that fits therewith.
[0010] Red indicating rod, blue indicating rod of 45 DEG of adjacent of rotating valve core are provided with, and rotating valve core switches a working state every 45 DEG rotation, and red indicating rod, blue indicating rod can correspond not -way, way respectively, the direction of red indicating arrow is not -way, and the rest three directions are communicated, when blue indicating arrow points to three liquid inlet pipes, the liquid inlet pipe pointed to is communicated with liquid outlet pipe, and when blue indicating arrow points to liquid outlet pipe, it is'four -way'.
[0011] The utility model has the advantages that the utility model provides a transfusion four -way, reduces the dosage of transfusion auxiliary device, saves resources, and can realize the function of'two -way' of any one liquid inlet pipe and liquid outlet pipe,'three -way' of any two liquid inlet pipes and liquid outlet pipe,'four -way' of three liquid inlet pipes and liquid outlet pipe or'not -way'. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the utility model. It should be noted in the description of the utility model that the terms "first", "second" and "third" are only used for the purpose of description and cannot be understood as indicating or implying relative importance.
[0013] Figure 1 It is a front view of the utility model.
[0014] Figure 2 It is a left view of the utility model.
[0015] Figure 3 Figure 4 It is a cross section of the utility model.
[0016] Figure 5 It is a bottom view of the utility model.
[0017] Figures 6 to 13 It is a working principle diagram of the utility model.
[0018] The reference numerals in the drawings are explained as follows: 1, valve body; 2, rotating valve core; 3, fixed valve core; 4, first liquid inlet; 5, second liquid inlet; 6, third liquid inlet; 7, liquid outlet; 8, red indicating rod; 9, blue indicating rod; 10, first layer T-shaped channel; 11, second layer T-shaped channel; 12, first vertical channel; 13, inclined channel; 14, central vertical channel; 15, second vertical channel; 16, horizontal channel; 17, valve body bottom protrusion. DETAILED DESCRIPTION
[0019] As Figures 1 to 5 As shown, a kind of infusion four-way, including valve body 1, rotating valve core 2, fixed valve core 3 and the first liquid inlet pipe 4, second liquid inlet pipe 5, third liquid inlet pipe 6, liquid outlet pipe 7 in "cross" arrangement, the rotating valve core 2 is provided with adjacent 45 ° red indicator rod 8, blue indicator rod 9, the bottom of the valve body 1 is provided with two valve body bottom protrusions 17, for fixing fixed valve core 3, so that fixed valve core 3 cannot rotate, the rotating valve core 2 is provided with first layer T-shaped channel 10, second layer T-shaped channel 11, first vertical channel 12, inclined channel 13 in the inside, the first layer T-shaped channel 10 is communicated with first vertical channel 12, the inclined channel 13 is communicated with the lateral wall and the bottom center position of rotating valve core 2, the fixed valve core 3 is provided with center vertical channel 14, second vertical channel 15, horizontal channel 16 in the inside, center vertical channel 14, second vertical channel 15 are communicated with liquid outlet pipe 7 through horizontal channel 16, the first layer T-shaped channel 10 is higher than liquid outlet pipe 7, the first layer T-shaped channel 10 cannot be directly communicated with liquid outlet pipe 7, first vertical channel 12 and second vertical channel 15 are communicated when rotating rotating valve core 2 to special position, the horizontal position of three liquid inlet pipes is higher than liquid outlet pipe 7, rotating rotating valve core 2 controls second layer T-shaped channel 11 to make any two liquid inlet pipes simultaneously communicated with liquid outlet pipe 7 or three liquid inlet pipes are not communicated with liquid outlet pipe 7, rotating rotating valve core 2 makes first vertical channel 12 and second vertical channel 15 communicated, and three liquid inlet pipes are communicated with liquid outlet pipe 7, rotating rotating valve core 2 controls inclined channel 13 to make any one liquid inlet pipe communicated with liquid outlet pipe 7.
[0020] As Figure 6 shown, when blue indicator rod 9 points to the direction of liquid outlet pipe 7, the three channel openings of second layer T-shaped channel 11 are blocked by valve body at this time, three liquid inlet pipes are communicated with liquid outlet pipe 7 through first layer T-shaped channel 10, first vertical channel 12, second vertical channel 15 and horizontal channel 16, and form "four-way".
[0021] As Figure 7 shown, when blue indicator rod 9 points to the direction of first liquid inlet pipe 4, the three channel openings of second layer T-shaped channel 11 are blocked by valve body at this time, second liquid inlet pipe 5 and third liquid inlet pipe 6 are blocked by fixed valve core 3 after being communicated with first layer T-shaped channel 10 and first vertical channel 12, and first liquid inlet pipe 4 is communicated with liquid outlet pipe 7 through inclined channel 13, center vertical channel 14 and horizontal channel 16, and form "two-way" of first liquid inlet pipe 4 and liquid outlet pipe 7.
[0022] As Figure 8As shown, when the blue indicator rod 9 points to the direction of the second inlet pipe 5, all three channels of the second layer T-shaped channel 11 are blocked by the valve body. The first inlet pipe 4 and the third inlet pipe 6 are blocked by the fixed valve core 3 after connecting the first layer T-shaped channel 10 and the first vertical channel 12. The second inlet pipe 5 is connected to the outlet pipe 7 through the oblique channel 13, the central vertical channel 14, and the horizontal channel 16, forming a "two-way" connection between the second inlet pipe 5 and the outlet pipe 7.
[0023] like Figure 9 As shown, when the blue indicator rod 9 points to the direction of the third inlet pipe 6, all three channels of the second layer T-shaped channel 11 are blocked by the valve body. The first inlet pipe 4 and the second inlet pipe 5 are blocked by the fixed valve core 3 after connecting the first layer T-shaped channel 10 and the first vertical channel 12. The third inlet pipe 6 is connected to the outlet pipe 7 through the oblique channel 13, the central vertical channel 14, and the horizontal channel 16, forming a "two-way" connection between the third inlet pipe 6 and the outlet pipe 7.
[0024] like Figure 10 As shown, when the red indicator rod 10 points towards the outlet pipe 7, all three ports of the first layer T-shaped channel 10 are blocked by the valve body 1, one end of the inclined channel 13 is blocked by the valve body 1, the first vertical channel 12 is blocked by the fixed valve core 3, and the three inlet pipes are connected through the three ports of the second layer T-shaped channel 11. The three inlet pipes are not connected to the outlet pipe 7, forming a "no connection".
[0025] like Figure 11 As shown, when the red indicator rod 10 points to the direction of the first inlet pipe 4, all three channels of the first layer T-shaped channel 10 are blocked by the valve body 1, one end of the inclined channel 13 is blocked by the valve body 1, the first vertical channel 12 is blocked by the fixed valve core 3, and the second inlet pipe 5 and the third inlet pipe 6 are connected to the outlet pipe 7 through the second layer T-shaped channel 11 to form a "three-way".
[0026] like Figure 12 As shown, when the red indicator rod 10 points to the direction of the second inlet pipe 5, all three channels of the first layer T-shaped channel 10 are blocked by the valve body 1, one end of the inclined channel 13 is blocked by the valve body 1, the first vertical channel 12 is blocked by the fixed valve core 3, and the first inlet pipe 4 and the third inlet pipe 6 are connected to the outlet pipe 7 through the second layer T-shaped channel 11 to form a "three-way".
[0027] like Figure 13 As shown, when the red indicator rod 10 points to the direction of the third inlet pipe 6, all three channels of the first layer T-shaped channel 10 are blocked by the valve body 1, one end of the inclined channel 13 is blocked by the valve body 1, the first vertical channel 12 is blocked by the fixed valve core 3, and the first inlet pipe 4 and the second inlet pipe 5 are connected to the outlet pipe 7 through the second layer T-shaped channel 11 to form a "three-way".
[0028] like Figures 6 to 13As shown, the utility model provides a kind of infusion four-way device, and eight kinds of working conditions are switched by rotating valve core every 45 °, "not pass", "four-way", three "two-way", three "three-way".
[0029] The above description is only used to illustrate the technical solutions of the utility model, and not to limit it. For the detailed description of the utility model, those skilled in the art should understand that the technical solutions of the utility model can still be modified, or some technical features can be replaced equivalently. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the utility model.
Claims
1. An infusion manifold, characterized by: It includes valve body, rotating valve core, fixed valve core and first liquid inlet pipe, second liquid inlet pipe, third liquid inlet pipe and liquid outlet pipe arranged in "cross", red indicating rod and blue indicating rod arranged on rotating valve core with 45° interval, two valve body protrusions arranged on bottom of valve body for fixing the fixed valve core, first layer T-shaped channel, second layer T-shaped channel, first vertical channel and inclined channel arranged inside rotating valve core, first layer T-shaped channel communicated with first vertical channel, inclined channel connected with side wall and center of bottom of rotating valve core, center vertical channel, second vertical channel and horizontal channel arranged inside fixed valve core, center vertical channel and second vertical channel communicated with liquid outlet pipe through horizontal channel.
2. The infusion manifold according to claim 1, wherein: The first layer T-shaped channel is higher than liquid outlet pipe, first layer T-shaped channel cannot be directly communicated with liquid outlet pipe, first vertical channel and second vertical channel are communicated when rotating valve core is rotated to special position, three liquid inlet pipes are higher than liquid outlet pipe in horizontal position.
3. The infusion manifold according to claim 1, wherein: The red indicating rod and blue indicating rod can correspond to no communication and communication respectively, the direction indicated by red indicating rod is not communicated, the other three directions are communicated, when blue indicating rod points to three liquid inlet pipes, the pointed liquid inlet pipe is communicated with liquid outlet pipe, when blue indicating rod points to liquid outlet pipe, "four communication" is realized.