CN219941435U - Multi-channel liquid medicine infusion apparatus - Google Patents

Abstract

The utility model provides a multichannel liquid medicine infusion apparatus, which comprises a needle, wherein an infusion tube is arranged on the side surface of the needle, a connecting cylinder is arranged at one end, deviating from the needle, of the infusion tube, a liquid inlet cylinder for connecting liquid medicine is arranged at the outer side of the connecting cylinder, a protection component for sealing protection is arranged at the end part of the liquid inlet cylinder, and a liquid control component for controlling the flow of the liquid medicine is arranged at the middle part of the liquid inlet cylinder; a liquid through groove is formed in the connecting cylinder, and a communication groove is formed in the top of the liquid through groove; the top end of the liquid inlet cylinder is provided with a liquid inlet, the middle part of the liquid inlet cylinder is provided with a liquid outlet groove, and the liquid outlet groove is communicated with the liquid through groove; the liquid control assembly is positioned in the assembly groove and comprises a fixed block, a liquid blocking disc and a push plate. The utility model uses a plurality of liquid inlet cylinders to feed liquid needed by transfusion in advanceMultiple liquid medicine is in the same place in the intercommunication, and the accuse liquid subassembly that cooperation feed liquor section of thick bamboo middle part set up is carried out the shutoff to different feed liquor section of thick bamboo and is transferred the flow, and then makes this transfusion system carry multiple liquid medicine more convenient, can avoid changing the syringe and cause the circumstances that the liquid medicine pollutes _。

Description

A multi-channel medicinal liquid infusion set

Technical field

The utility model relates to the technical field of medical supplies, in particular to a multi-channel medicinal liquid infusion set.

Background technique

Medical imaging agent is a substance that uses photography or other imaging techniques to display the internal structures of the human body. It is mainly used in medical examination and diagnosis, including X-ray contrast agents, CT contrast agents, MRI contrast agents, and radionuclide imaging agents. and many other types. These imaging agents are mainly used to enhance the image contrast inside the human body, so as to more clearly display the conditions of various structures and organs inside the human body, and provide doctors with more accurate information for diagnosis and treatment;

When the imaging agent is used, usually as shown in Figure 5 of the instruction manual, the infusion set establishes the patient's venous channel through physiological saline. Under the condition of ensuring that the venous channel is unobstructed, another syringe is used to receive the imaging agent and the imaging agent is used. The imaging agent is delivered into the vein;

However, in actual use of the infusion set, it was found that there is a risk of contamination of the connecting port during the transfer of the imaging agent to the infusion set, and after the injection of the imaging agent is completed, it is sometimes necessary to re-contaminate the saline and other therapeutic agents. Intravenous delivery is more cumbersome;

In summary, there is currently a need for a multi-channel infusion set that facilitates drug delivery.

Utility model content

In view of the shortcomings of the existing technology, the present utility model provides a multi-channel medicinal liquid infusion set, which solves the problems mentioned in the background technology.

In order to achieve the above objectives, the present utility model is achieved through the following technical solutions:

A multi-channel medicinal liquid infusion set includes a needle. An infusion tube is provided on the side of the needle. An end of the infusion tube away from the needle is provided with a connecting barrel. The outside of the connecting barrel is provided with a liquid inlet barrel for connecting the medicinal liquid. The end of the liquid inlet barrel is provided with There is a protective component for sealing protection, and there is a liquid control component in the middle of the liquid inlet cylinder to control the flow of the medicinal solution;

There is a liquid passage groove inside the connecting cylinder, and a communication groove is provided at the top of the liquid passage groove; a liquid inlet is provided at the top of the liquid inlet cylinder, and a lower liquid groove is provided in the middle of the liquid inlet cylinder, and the lower liquid groove is connected with the liquid passage groove;

There is an assembly groove in the middle of the lower liquid tank, and the liquid control component is located in the assembly groove. The liquid control component includes a fixed block, a liquid retaining plate and a push plate. The fixed block is equipped with a liquid inlet cylinder outside, and a liquid retaining plate is provided in the middle of the fixed block. , there is a push plate on the outside of the liquid retaining plate, and the outer sides of the push plate and the liquid retaining plate are engaged and slidable with the fixed block.

Further, there are three liquid inlet cylinders, the three liquid inlet cylinders have the same structure, and the liquid inlet cylinders are distributed in a ring outside the connecting cylinder.

Furthermore, a rubber sleeve is provided on the outside of the push plate, and the rubber sleeve engages and slides with the fixed block.

Further, the outside of the liquid retaining plate and the outside of the push plate are engaged with the inside of the assembly groove.

Further, the protection component includes a connecting ring, a protective cap and an elastic cord. The connecting ring is located outside the middle part of the liquid inlet cylinder. The protective cap is located outside the top of the liquid inlet cylinder. An elastic cord is provided between the connecting ring and the protective cap. The ropes are distributed in a mirror image, and the top end of the elastic rope is connected to the outside of the protective cap, and the bottom end of the elastic rope is connected to the top surface of the connecting ring.

Furthermore, a sealing rubber cover is provided on the inside of the protective cap, and the inside of the sealing rubber cover is snap-connected to the top of the liquid inlet cylinder.

Furthermore, a storage seat is provided on the outside of the liquid inlet cylinder, and a storage groove is provided in the middle of the storage seat. The diameter of the inner side of the storage groove is the same as the diameter of the outer side of the protective cap. The inner side of the storage groove is engaged with the outer side of the protective cap.

The utility model provides a multi-channel medicinal liquid infusion set. Compared with existing technology, it has the following beneficial effects:

Multiple liquid inlet cylinders are connected in advance with a variety of medicinal liquids required for infusion, and the liquid control component provided in the middle of the liquid inlet cylinder is used to intercept and regulate the flow of different liquid inlet cylinders, thereby allowing the infusion set to deliver a variety of medicines. The solution is more convenient and can avoid contamination of the medicinal solution caused by changing syringes.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 shows a schematic structural diagram of a multi-channel medicinal liquid infusion device of the present invention;

Figure 2 shows a schematic distribution diagram of the liquid inlet cylinder of the present invention;

Figure 3 shows a schematic structural diagram of the protection component of the present invention;

Figure 4 shows a schematic structural diagram of the liquid control assembly of the present invention;

Figure 5 shows a schematic diagram of the use of an existing infusion set;

Shown in the picture: 1. Needle; 11. Infusion tube; 2. Connecting barrel; 21. Liquid channel; 22. Connecting channel; 3. Liquid inlet barrel; 31. Lower liquid tank; 32. Assembly tank; 4. Protection Components; 41. Connecting ring; 42. Protective cap; 43. Elastic cord; 44. Storage seat; 45. Storage tank; 46. Sealing rubber cover; 5. Liquid control component; 51. Fixed block; 52. Liquid retaining plate; 53. Push plate; 54. Rubber sleeve; 6. Normal saline.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present utility model, not All examples. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

Embodiment 1

In order to solve the technical problems in the background art, the following multi-channel medicinal liquid infusion set is provided:

As shown in Figures 1 to 4, the utility model provides a multi-channel medicinal liquid infusion set, which includes a needle 1, an infusion tube 11 is provided on the side of the needle 1, and a connecting tube 2 is provided at one end of the infusion tube 11 away from the needle 1. The outside of the connecting barrel 2 is provided with a liquid inlet cylinder 3 for connecting the medical solution. The end of the liquid inlet cylinder 3 is provided with a protective component 4 for sealing protection. The middle part of the liquid inlet cylinder 3 is provided with a liquid control component 5 for controlling the flow of the medical solution; the connection There is a liquid passage groove 21 inside the barrel 2, and a communication groove 22 is provided at the top of the liquid passage groove 21; a liquid inlet is provided at the top of the liquid inlet cylinder 3, and a lower liquid groove 31 is provided in the middle of the liquid inlet cylinder 3. The lower liquid groove 31 is connected with the through passage. The liquid tank 21 is connected; the liquid tank 21 and the communication tank 22 are arranged to facilitate the delivery of the medicinal liquid in the liquid inlet cylinder 3 into the infusion tube 11; the liquid inlet of the liquid inlet cylinder 3 and the lower liquid tank 31 are convenient for liquid inlet The barrel 3 sends the medical liquid into the connecting barrel 2; an assembly groove 32 is provided in the middle of the lower liquid tank 31, and the liquid control assembly 5 is located in the assembly groove 32. The liquid control assembly 5 includes a fixed block 51, a liquid retaining plate 52 and a pusher. Plate 53, the fixed block 51 is provided with the outside of the liquid inlet cylinder 3, the middle part of the fixed block 51 is provided with a liquid retaining plate 52, the outside of the liquid retaining plate 52 is provided with a push plate 53, the outside of the push plate 53 and the outside of the liquid retaining plate 52 are in contact with the fixed block 51 engages and slides; the setting of the fixed block 51 facilitates the stable movement of the liquid retaining plate 52 and the push plate 53; the push plate 53 and the liquid retaining plate 52 that engage and slide with the fixed block 51 can pass through the position in the assembly groove 32, Change the speed of liquid flow inside the liquid inlet cylinder 3 to achieve the purpose of controlling the flow rate of the medicinal liquid;

In this embodiment, there are three liquid inlet cylinders 3, the three liquid inlet cylinders 3 have the same structure, and the liquid inlet cylinders 3 are distributed in a ring outside the connecting tube 2; the arrangement of the three liquid inlet cylinders 3 can Connected with a variety of drug injections, examples include: physiological saline 6, imaging agent, insulin, etc.;

As an improvement to the above solution, a rubber sleeve 54 is provided on the outside of the push plate 53, and the rubber sleeve 54 engages and slides with the fixed block 51; the provision of the rubber sleeve 54 can make the push plate 53 and the fixed block 51 engage and slide more tightly. The fit can ensure the sealing of the liquid inlet cylinder 3 during the flow adjustment process; the outside of the liquid retaining plate 52 and the push plate 53 are engaged with the inside of the assembly groove 32, and the liquid retaining plate and the push plate are engaged with the inside of the assembly groove 32. The plate 53 can block the flow of the medical solution inside the liquid inlet cylinder 3 by engaging with the assembly groove 32, so as to block the medical liquid when the liquid inlet cylinder 3 is not needed to feed the medical solution;

When the infusion set is used, first connect the liquid inlets of the three liquid inlet cylinders 3 with containers containing medicinal liquid, such as drop bottles, medicinal liquid soft bags, etc. The three liquid inlet barrels 3 can be connected to different containers respectively. The medical liquid containers of the medical liquid are connected, and through the liquid control assembly 5, the medical liquids connected to different liquid inlet cylinders 3 can be selectively sent into the infusion tube 11;

The plurality of liquid inlet cylinders 3 are connected with various medicinal liquids required for infusion in advance, and the liquid control component 5 provided in the middle of the liquid inlet cylinder 3 is used to intercept and regulate the flow of different liquid inlet cylinders 3, thereby making the infusion set It is more convenient to transport a variety of medicinal liquids and avoid contamination of medicinal liquids caused by changing syringes.

Embodiment 2

As shown in Figures 1 to 4, based on the above embodiment, this embodiment further provides the following content:

In order to prevent the liquid inlet cylinder 3 from being easily contaminated after it is separated from the medicinal solution container, this embodiment provides the following design:

The protection component 4 includes a connecting ring 41, a protective cap 42 and an elastic cord 43. The connecting ring 41 is located outside the middle part of the liquid inlet cylinder 3, and the protective cap 42 is located outside the top end of the liquid inlet cylinder 3. The connecting ring 41 and the protective cap 42 are connected to each other. There is an elastic cord 43 in between, the elastic cord 43 is distributed in a mirror image, and the top end of the elastic cord 43 is connected to the outside of the protective cap 42, and the bottom end of the elastic cord 43 is connected to the top surface of the connecting ring 41; the setting of the elastic cord 43 can make the protective cap 42 It is not separated from the liquid inlet cylinder 3. After the protective cap 42 is removed when the liquid inlet cylinder 3 is connected to the liquid container, the protective cap 42 will not be lost;

In this embodiment, a sealing rubber cover 46 is provided on the inside of the protective cap 42, and the inside of the sealing rubber cover 46 is engaged with the top end of the liquid inlet cylinder 3; the arrangement of the sealing rubber cover 46 can ensure that the protective cap 42 and the liquid inlet cylinder are connected 3. Sealing after connection;

As an improvement to the above solution, a storage seat 44 is provided on the outside of the liquid inlet cylinder 3, and a storage groove 45 is provided in the middle of the storage seat 44. The inner diameter of the storage groove 45 is the same as the outer diameter of the protective cap 42, and the inner diameter of the storage groove 45 is the same as the outer diameter of the protective cap 42. 42 is snap-connected on the outside; the inside of the storage groove 45 is snap-connected with the outside of the protective cap 42, so that the protective cap 42 can be fixed after the protective cap 42 is removed, and at the same time, the sealing rubber cover 46 on the inside of the protective cap 42 can be used. This reduces the possibility of contamination between the sealing rubber cover 46 and the outside world, and facilitates the protective cap 42 to be placed on the liquid inlet cylinder 3 again for sealing protection.

The working principle and usage process of this utility model:

When using:

First, connect the liquid inlets of the three liquid inlet cylinders 3 with containers containing different medicinal liquids (such as drop bottles, medicinal liquid soft bags), then expel the air from the needle 1 and insert it into the patient's vein, and the container The traditional Chinese medicine liquid will pass through the liquid inlet cylinder 3 and the connecting cylinder 2 and enter the infusion tube 11. At this time, the medicinal liquid can enter the patient's vein to establish a venous channel;

During infusion:

According to the demand for medical liquid infusion, the liquid retaining plate 52 in the liquid inlet cylinder 3 that does not need to flow is pushed to engage with the assembly groove 32, and the medical liquid in the liquid inlet cylinder 3 will be blocked, and the liquid inlet cylinder 3 will be blocked. When the liquid inside 3 flows, pull the push plate 53 and the liquid retaining plate 52 to move. The moving position of the liquid retaining plate 52 will change the connection between the liquid retaining plate 52 and the assembly groove 32, and adjust the flow of the medical liquid inside the liquid inlet cylinder 3. flow;

Before container connection:

Pull off the protective cap 42 from the top of the liquid inlet cylinder 3, insert the protective cap 42 into the storage groove 45 of the storage seat 44, the storage groove 45 will engage with the outside of the protective cap 42, so that the inside of the protective cap 42 is in contact with the liquid inlet. The sealing rubber cover 46 in contact with the cartridge 3 can be in a sealed and stored state, which can prevent the protective cap 42 from being contaminated by the outside after being separated from the liquid inlet cartridge 3; after the container is separated: after the delivery of the medicinal liquid in the container is completed, the container When separated from the liquid inlet cylinder 3, the protective cap 42 is removed from the storage seat 44, and the protective cap 42 is placed on the liquid inlet cylinder 3 again to prevent the liquid inlet cylinder 3 from being contaminated by the outside world after being separated from the container.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations are mutually exclusive. any such actual relationship or sequence exists between them. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still implement the foregoing implementations. The technical solutions described in the examples are modified, or some of the technical features are equivalently replaced; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims (7)

1. A multichannel liquid medicine transfusion system is characterized in that: the liquid medicine injection device comprises a needle head (1), wherein an infusion tube (11) is arranged on the side surface of the needle head (1), a connecting cylinder (2) is arranged at one end, deviating from the needle head (1), of the infusion tube (11), a liquid inlet cylinder (3) for connecting liquid medicine is arranged at the outer side of the connecting cylinder (2), a protection component (4) for sealing and protecting is arranged at the end part of the liquid inlet cylinder (3), and a liquid medicine flow control component (5) is arranged at the middle part of the liquid inlet cylinder (3);

a liquid through groove (21) is formed in the connecting cylinder (2), and a communication groove (22) is formed in the top of the liquid through groove (21); a liquid inlet is arranged at the top end of the liquid inlet cylinder (3), a liquid discharging groove (31) is arranged in the middle of the liquid inlet cylinder (3), and the liquid discharging groove (31) is communicated with the liquid through groove (21);

the assembly groove (32) has been seted up at lower cistern (31) middle part, accuse liquid subassembly (5) are located assembly groove (32), accuse liquid subassembly (5) are including fixed block (51), keep off liquid dish (52) and push pedal (53), fixed block (51) are equipped with feed liquor section of thick bamboo (3) outside, fixed block (51) middle part is equipped with keeps off liquid dish (52), keep off liquid dish (52) outside and be equipped with push pedal (53), push pedal (53) outside and keep off liquid dish (52) outside and all with fixed block (51) block slip.

2. The multi-channel medical fluid infusion set according to claim 1, wherein: the three liquid inlet cylinders (3) are arranged, the three liquid inlet cylinders (3) are identical in structure, and the liquid inlet cylinders (3) are distributed in a circular array outside the connecting cylinder (2).

3. A multi-channel medical fluid infusion set according to claim 2, wherein: the outside of the push plate (53) is provided with a rubber sleeve (54), and the rubber sleeve (54) is clamped and slides with the fixed block (51).

4. The multi-channel medical fluid infusion set according to claim 1, wherein: the outer side of the liquid blocking disc (52) and the outer side of the push plate (53) are clamped with the inner side of the assembly groove (32).

5. The multi-channel medical fluid infusion set of claim 4, wherein: the protection component (4) comprises a connecting ring (41), a protective cap (42) and an elastic rope (43), wherein the connecting ring (41) is arranged on the outer side of the middle of the liquid inlet barrel (3), the protective cap (42) is arranged on the outer side of the top end of the liquid inlet barrel (3), the elastic rope (43) is arranged between the connecting ring (41) and the protective cap (42), the elastic rope (43) is in mirror image distribution, the top end of the elastic rope (43) is connected with the outer side of the protective cap (42), and the bottom end of the elastic rope (43) is connected with the top surface of the connecting ring (41).

6. The multi-channel medical fluid infusion set of claim 5, wherein: the inner side of the protective cap (42) is provided with a sealing rubber cover (46), and the inner side of the sealing rubber cover (46) is connected with the top end of the liquid inlet cylinder (3) in a clamping way.

7. The multi-channel medical fluid infusion set of claim 5, wherein: the liquid inlet cylinder (3) outside is equipped with receiving seat (44), and receiving seat (44) middle part is equipped with receiving groove (45), and receiving groove (45) inboard diameter is the same with protection cap (42) outside diameter, and receiving groove (45) inboard and protection cap (42) outside block are connected.