CN219941449U - Anticreep transfer line and have its infusion set - Google Patents

Abstract

The utility model discloses an anti-drop infusion tube and an infusion device with the same, wherein the anti-drop infusion tube comprises a catheter, a flow rate regulator and a plug, and a drip cup is arranged on the catheter; the flow speed regulator is arranged on the conduit and used for regulating the flow speed of the liquid in the conduit; the plug is connected to the catheter and is used for being connected with the infusion container to introduce liquid in the infusion container into the catheter; the plug comprises a tail part, a middle section and a head part which are sequentially connected, the tail part is connected with the catheter, an external thread is arranged on the outer peripheral surface of the middle section, the external thread is suitable for being connected with an interface of the infusion container in a threaded manner, and the head part is suitable for being inserted into the interface of the infusion container. According to the anti-drop infusion tube provided by the embodiment of the utility model, the plug of the infusion tube is in threaded connection with the interface of the infusion container, so that the problem that the plug is easy to drop off the tube due to external force can be prevented, and the reliability and safety of connection are improved.

Description

Anticreep transfer line and have its infusion set

Technical Field

The utility model relates to an infusion tube, in particular to an anti-drop infusion tube and an infusion device with the same.

Background

Infusion is a common treatment in the field of healthcare, where medication or nutritional fluids are delivered to a patient through an infusion tube to achieve therapeutic or nutritional supplementation. The infusion tube is an important component in the infusion process, one end of the infusion tube is connected with an infusion container (such as an infusion bottle, an infusion bag and the like), and the other end of the infusion tube is connected with a vein of a patient. In order to connect the infusion tube to the infusion container, a plug is usually inserted into a rubber plug in the port of the infusion container. However, this plugging structure has a certain problem in the use process, and improvement is needed.

First, there may be instability in the plug structure where the plug is directly inserted into the plug. In the infusion process, the plug can drop off from the rubber plug due to external force, so that infusion liquid is leaked, and the infusion effect is affected. In addition, the plug may be dislodged, which may also cause air to enter the infusion tube.

Secondly, the rubber plug is easy to lose in the repeated puncturing process, and is easy to cause liquid leakage at the plugging position, in addition, the plugging position becomes loose, and the problem of dropping of the infusion tube plug can occur.

Furthermore, the plug may generate particles during the puncturing process. During insertion of the plug into the plug, the plug may be damaged, producing particles. These particles may contaminate the infusion liquid as it enters the infusion bottle or bag, thereby causing adverse events.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model aims to provide an anti-drop infusion tube and an infusion device with the same.

To achieve the above object, in one aspect, an anti-drop infusion tube according to an embodiment of the present utility model includes:

a conduit having a drip cup thereon;

the flow rate regulator is arranged on the conduit and is used for regulating the flow rate of the liquid in the conduit;

the plug is connected to the catheter and is used for being connected with the infusion container to introduce liquid in the infusion container into the catheter;

the plug comprises a tail part, a middle section and a head part which are sequentially connected, the tail part is connected with the catheter, an external thread is arranged on the outer peripheral surface of the middle section, the external thread is suitable for being connected with an interface of the infusion container in a threaded manner, and the head part is suitable for being inserted into the interface of the infusion container.

According to the anti-drop infusion tube provided by the embodiment of the utility model, the external thread is arranged at the middle section of the plug and is suitable for being in threaded connection with the interface of the infusion container, so that in use, after the plug of the infusion tube is in threaded connection with the interface of the infusion container, the problem that the plug is easy to drop off due to external force can be prevented, the reliability and the safety of connection are improved, in addition, the threaded connection sealing effect is good, and the leakage risk is reduced. In addition, adverse events such as particle pollution and the like possibly existing in puncture and plug are prevented.

In addition, the anti-drop infusion tube according to the above embodiment of the utility model may further have the following additional technical features:

according to one embodiment of the utility model, the intermediate section is sleeved with a pivot sleeve pivotable about the axis of the plug, and the external thread is formed on the outer peripheral surface of the pivot sleeve.

According to one embodiment of the utility model, the outer circumferential surface of the intermediate section is formed with an annular groove in which the pivot sleeve is located for axial positioning of the pivot sleeve through the annular groove.

According to one embodiment of the present utility model, a dial is formed on an end of the pivot sleeve adjacent to the tail portion, the dial protruding radially outward of the pivot sleeve.

According to one embodiment of the utility model, the head is formed in a spike-like shape to pierce a rubber plug within the mouthpiece.

In another aspect, an infusion device according to an embodiment of the utility model includes:

the infusion container is provided with an interface seat, and the interface seat is provided with a threaded hole;

the anti-drop infusion tube is characterized in that the plug of the anti-drop infusion tube is suitable for being in threaded connection with the threaded hole.

According to one embodiment of the utility model, the mouthpiece is provided with a removable closure for closing the threaded hole, the removable closure being configured to be removed after tearing.

According to one embodiment of the utility model, an annular tearing groove is formed at the connection of the removable closure and the interface seat.

According to one embodiment of the utility model, the interface mount comprises:

an annular table formed on the infusion container;

the transfer table is formed by axially extending one end, far away from the infusion container, of the annular table, and the threaded holes are coaxially formed in the transfer table.

Wherein, be equipped with the plug in the annular table, be used for sealing the annular table, and supply after the plug puncture inserts with infusion container intercommunication.

According to the infusion device provided by the embodiment of the utility model, the anti-drop infusion tube and the infusion container are provided, in use, after the plug of the infusion tube is connected with the interface of the infusion container in a threaded manner, the problem that the plug is easy to drop from the tube due to external force can be prevented, the reliability and the safety of connection are improved, in addition, the threaded connection sealing effect is good, and the leakage risk is reduced. In addition, adverse events such as particle pollution and the like possibly existing in puncture and plug are prevented.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of an anti-drop infusion tube of the present utility model;

FIG. 2 is a schematic view of an embodiment of a plug in an anti-drop infusion tube according to the utility model;

FIG. 3 is a schematic view of another embodiment of a plug in an anti-drop infusion tube according to the utility model;

FIG. 4 is a cross-sectional view of another embodiment of a plug in an anti-drip infusion tube in accordance with the present utility model;

FIG. 5 is an exploded view of another embodiment of a plug in an anti-drip infusion tube in accordance with the present utility model;

FIG. 6 is a schematic view of the structure of an infusion container in the infusion device of the utility model;

FIG. 7 is a schematic view of the connection process of the infusion container and the plug in the infusion device of the utility model;

fig. 8 is a cross-sectional view of an infusion container in the infusion device of the utility model.

Reference numerals:

10. a conduit;

11. dropping a kettle;

20. a flow rate regulator;

30. a plug;

301. a head;

302. an intermediate section;

h302, annular groove;

303. tail part;

304. an external thread;

305. a pivot sleeve;

3051. a pulling piece;

40. an infusion container;

402. an interface seat;

4021. an annular table;

4022. a transfer table;

h402, threaded holes;

403. a removable closure;

the achievement of the objects, functional features and advantages of the present utility model will be combined with the embodiments and made with reference to the accompanying drawings

A one-step explanation.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The anti-drop infusion tube and the infusion device according to the embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, an anti-drop infusion tube according to an embodiment of the utility model includes a catheter 10, a flow rate regulator 20, and a plug 30.

Specifically, the catheter 10 has a drip cup 11 thereon. A flow rate regulator 20 is provided on the conduit 10 for regulating the flow rate of the liquid in the conduit 10. Drip chamber 11 may be made of a hard transparent material to observe the liquid drip rate. The flow rate regulator 20 may be roller type, jaw type, or other suitable structure for regulating the flow rate. The flow regulator 20 may be manually operated to achieve precise control of the infusion rate.

A plug 30 is connected to the catheter 10 for connection to an infusion container 40 for introducing liquid from the infusion container 40 into the catheter 10.

The plug 30 comprises a tail 303, a middle section 302 and a head 301 which are sequentially connected, the tail 303 is connected with the catheter 10, an external thread 304 is arranged on the outer peripheral surface of the middle section 302, the external thread 304 is suitable for being in threaded connection with the interface of the infusion container 40, and the head 301 is suitable for being inserted into the interface of the infusion container 40.

That is, in the present utility model, the plug 30 is different from the conventional infusion tube plug 30, and the conventional infusion tube plug 30 has a smooth outer surface and is inserted into the rubber plug in the mouthpiece of the infusion container 40 in a plugging manner. The plug 30 of the present utility model is a plug 30 with external threads 304, and can be connected with an infusion container 40 with a threaded interface, wherein the infusion container 40 is different from the traditional infusion container 40 with a plug inserted and pulled out, and an internal thread is arranged in the interface of the infusion container 40 and is matched with the external threads 304 on the plug 30.

Specifically, the plug 30 mainly comprises a tail 303, a middle section 302 and a head 301, the tail 303 is connected with the catheter 10, the head 301 is used for extending into the interface of the infusion container 40, the external thread 304 of the middle section 302 can be in threaded connection with the internal thread in the interface of the infusion container 40, the plug 30 with the structure does not need to be in a spike structure, and the plug 30 can form a communicating state after being in threaded connection with the interface of the infusion container 40 by the external thread 304 of the middle section 302, and the threaded connection mode also has good sealing effect.

According to the anti-drop infusion tube provided by the embodiment of the utility model, the external thread 304 is arranged at the middle section 302 of the plug 30, and the external thread 304 is suitable for being in threaded connection with the interface of the infusion container 40, so that in use, after the plug 30 of the infusion tube is in threaded connection with the interface of the infusion container 40, the problem that the plug 30 is easy to drop from the tube under external force can be prevented, the reliability and the safety of connection are improved, in addition, the threaded connection sealing effect is good, and the leakage risk is reduced. In addition, adverse events such as particle pollution and the like possibly existing in puncture and plug are prevented.

Referring to fig. 3 to 5, in one embodiment of the present utility model, the intermediate section 302 is sleeved with a pivot sleeve 305, the pivot sleeve 305 is pivotable about the axis of the plug 30, and the external thread 304 is formed on the outer peripheral surface of the pivot sleeve 305. The pivot sleeve 305 may be metal, medical grade plastic or other suitable material for making threads. The pivot sleeve 305 should be sized and shaped to fit the outer peripheral surface of the intermediate section 302 to ensure stable pivoting performance.

That is, in the present embodiment, unlike the above-described embodiment, the external thread 304 is provided directly on the outer peripheral surface of the intermediate section 302. In this embodiment, a pivot sleeve 305 rotatable about the axis of the intermediate section 302 is disposed on the outer peripheral surface of the intermediate section 302, and then an external thread 304 is disposed on the outer peripheral surface of the pivot sleeve 305.

In use, the plug 30 is aligned with the hub on the infusion container 40 and inserted, and the pivot sleeve 305 is then rotated so that the pivot sleeve 305 forms a threaded connection with the internal threads of the hub. With this structure, only the pivot bushing 305 is required to be rotated during the connection without rotating the entire plug 30, because if the entire plug 30 is rotated, it is very inconvenient because the guide tube 10 is connected to the plug 30. In addition, the connector of the plug 30 and the infusion container 40 is screwed by rotating the infusion container 40, and thus there is a problem in that the operation is inconvenient. Therefore, in this embodiment, the convenience in screwing can be greatly improved by adopting the manner of the pivot sleeve 305.

To facilitate the mounting positioning of the pivot bushing 305, in some embodiments, an annular groove H302 is formed in the outer peripheral surface of the intermediate section 302, and the pivot bushing 305 is positioned in the annular groove H302 to axially position the pivot bushing 305 through the annular groove H302.

That is, the pivot sleeve 305 is sleeved outside the middle section 302, and two end surfaces of the pivot sleeve 305 respectively abut against two side surfaces of the annular groove H302, so that the pivot sleeve 305 is axially positioned through the annular groove H302, and the positioning and fixing manner ensures that the pivot sleeve 305 can rotate circumferentially and simultaneously maintains axial relative fixation and reliability, thereby improving the reliability of the use of the plug 30.

It should be noted that, the head 301 and the middle section 302 of the plug 30 may be integrally formed, or may be a split structure, that is, the head 301 and the middle section 302 are two parts respectively and are connected together by a connection manner such as a thread, and the split structure is adopted, so that the assembly of the pivot sleeve 305 is convenient, and the process is simple.

In one embodiment of the present utility model, a paddle 3051 is formed on the end of the pivot sleeve 305 adjacent to the tail 303, and the paddle 3051 protrudes radially outward of the pivot sleeve 305.

When the plug 30 is connected with the interface of the infusion container 40, the pulling piece 3051 can be held by hand to rotate the pivoting sleeve 305 in the process of rotating the pivoting sleeve 305, so that the pivoting sleeve 305 is rotated by the pulling piece 3051, the quick threaded connection of the pivoting sleeve 305 and the interface of the infusion container 40 is facilitated, the connection reliability is ensured, and the convenience and the reliability of use are improved.

In the above described embodiment with the pivot sleeve 305, the head 301 may be formed with a spike to pierce a rubber plug within the interface.

Since the pivot bushing 305 is pivotable, etc., between the pivot bushing 305 and the intermediate section 302 in the embodiment in which the pivot bushing 305 is provided, there is a possibility of leakage of liquid from a gap between the pivot bushing 305 and the intermediate section 302.

To solve the above-described problem, in this embodiment, a rubber stopper is provided inside the interface of the corresponding infusion container 40, and the head 301 of the plug 30 can be pierced into the rubber stopper and brought into communication with the infusion container 40. In addition, utilize pivot cover 305 to form threaded connection with the internal thread of interface, so, plug 30 inserts the plug and forms seal structure, plays the effect that prevents the weeping, and on the other hand, pivot cover 305 and the threaded connection mode of interface have prevented risk such as plug 30 drops, from this, combines the two, can reach sealed effect, also can reach the effect that prevents to take off the pipe, in addition, threaded connection convenient operation.

The infusion device according to the embodiment of the utility model comprises an infusion container 40 and the anti-drop infusion tube according to the embodiment, wherein the infusion container 40 is provided with an interface seat 402, and the interface seat 402 is provided with a threaded hole H402. The plug 30 of the anti-drop infusion tube is adapted to be threadedly coupled with the threaded bore H402.

In use, the insert 30 is aligned with and inserted into the threaded bore H402 of the hub 402 on the infusion container 40, and then the insert 30 or the infusion container 40 is rotated so that the external threads 304 on the insert 30 form a threaded connection with the threaded bore H402.

It is understood that the infusion container 40 may be an infusion bottle or an infusion bag.

Referring to fig. 6 to 8, the infusion device provided by the embodiment of the utility model has the anti-drop infusion tube and the infusion container 40, and in use, after the plug 30 of the infusion tube is connected with the interface of the infusion container 40 in a threaded manner, the problem that the plug 30 is easy to drop off the tube due to external force can be prevented, the reliability and the safety of connection are improved, in addition, the threaded connection sealing effect is good, and the leakage risk is reduced.

In one embodiment of the present utility model, the hub 402 is provided with a removable seal 403 for closing the threaded hole H402, and the removable seal 403 is configured to be removed after being torn.

In this embodiment, the removable sealing member 403 is used to seal the interface seat 402, which is used to completely isolate the rubber plug from the seal threaded hole H402 in a non-use state, so as to ensure the tightness, safety and reliability during storage. When the infusion tube is used, the removable sealing piece 403 can be removed, the threaded hole H402 is exposed, the plug 30 of the infusion tube is inserted into the threaded hole H402 and connected, so that the infusion tube is communicated with the infusion container 40, and the infusion tube is convenient to use.

Preferably, an annular tearing groove is formed at the connection of the removable sealing member 403 and the interface seat 402. The annular tear groove design allows for easier and quicker removal of the removable closure 403 by a healthcare worker when using the infusion container 40. The annular tear groove may take a V-shaped, U-shaped or other suitably shaped cross-section to provide an easy tear path when the closure is removed. The depth and width of the annular tear groove may be designed as practical to ensure easy tearing when the closure is removed.

When using the infusion container 40, the medical staff can easily tear the line along the position of the annular tear groove by grasping the removable closure 403 and turning or pulling the removable closure 403 with force. This design can greatly reduce the time and effort required to remove the removable closure 403, improving the efficiency of the healthcare worker. Furthermore, the design of the annular tear groove may also reduce the risk of damage to the interface seat 402 during removal of the closure.

In one embodiment of the utility model, the hub 402 includes an annular land 4021 and an adapter land 4022, the annular land 4021 being formed on the infusion container 40. The annular stage 4021 is a hollow annular structure, and preferably the annular stage 4021 is integrally formed with the infusion vessel.

The adaptor base 4022 is formed by axially extending an end of the annular base 4021 away from the infusion container 40, and the threaded hole H402 is coaxially provided in the adaptor base 4022. The adaptor 4022 is in communication with the annular base 4021 and is operative to connect with the hub 30 of the infusion tube so that the infusion tube communicates with the infusion container 40 for fluid flow during infusion. Specifically, a screw hole H402 is provided in the adaptor base 4022 so as to be screwed to the plug 30 of the infusion tube. The design of the threaded hole H402 can ensure tightness and stability in the infusion process, because the threaded connection mode ensures that the infusion tube plug 30 is not easy to fall off from the adaptor 4022.

A rubber plug is arranged in the annular table 4021, and is used for sealing the annular table 4021 and communicating with the infusion container 40 after the plug 30 is inserted in a penetrating manner. The rubber plug can be made of medical rubber materials with good elasticity and self-healing capacity, such as silicon rubber, nitrile rubber and the like. The rubber plug is used for keeping the sealing property of the inside of the transfusion container 40 in the transfusion process and preventing leakage in the transfusion process.

By adopting the design, the plug 30 is in threaded connection with the threaded hole H402 of the adapter stage 4022 in use, and is in puncture insertion into the plug on the one hand and is further communicated with the infusion container 40 on the other hand, so that under the premise of ensuring the anti-drop tube function, the tightness in use is improved, and the liquid leakage prevention effect is further improved.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (9)

1. An anti-drop infusion tube, comprising:

a conduit having a drip cup thereon;

the flow rate regulator is arranged on the conduit and is used for regulating the flow rate of the liquid in the conduit;

the plug is connected to the catheter and is used for being connected with the infusion container to introduce liquid in the infusion container into the catheter;

the plug comprises a tail part, a middle section and a head part which are sequentially connected, the tail part is connected with the catheter, an external thread is arranged on the outer peripheral surface of the middle section, the external thread is suitable for being connected with an interface of the infusion container in a threaded manner, and the head part is suitable for being inserted into the interface of the infusion container.

2. The anti-drop infusion tube of claim 1, wherein the intermediate section is sleeved with a pivot sleeve pivotable about an axis of the plug, and the external thread is formed on an outer circumferential surface of the pivot sleeve.

3. The anti-drop infusion tube of claim 2, wherein the outer peripheral surface of the intermediate section is formed with an annular groove, the pivot sleeve being located in the annular groove for axial positioning of the pivot sleeve through the annular groove.

4. The drop tube of claim 2, wherein a paddle is formed on the pivot sleeve at an end adjacent the tail portion, the paddle protruding radially outward of the pivot sleeve.

5. The anti-drop infusion tube of claim 2, wherein the head is formed in a spike-like shape to pierce a rubber stopper within the hub.

6. An infusion device, comprising:

the infusion container is provided with an interface seat, and the interface seat is provided with a threaded hole;

the anti-drip infusion tube as claimed in any one of claims 1 to 5, said plug of said anti-drip infusion tube being adapted to be threadedly connected with said threaded bore.

7. The infusion device of claim 6, wherein the hub is provided with a removable seal for closing the threaded aperture, the removable seal being configured to be removed after tearing.

8. The infusion device of claim 7, wherein the junction of the removable closure and the hub is formed with an annular tear groove.

9. The infusion device of claim 7, wherein the hub comprises:

an annular table formed on the infusion container;

the transfer table is formed by extending one end, far away from the infusion container, of the annular table in an axial direction, and the threaded hole is coaxially formed in the transfer table;

wherein, be equipped with the plug in the annular table, be used for sealing the annular table, and supply after the plug puncture inserts with infusion container intercommunication.