CN211611071U - Disposable syringe needle separating type infusion apparatus - Google Patents

Abstract

The utility model relates to the technical field of infusion sets, in particular to a disposable needle-separated type infusion set, comprising an infusion tube, the bottom end of the infusion tube is provided with a first connection end, and the edge of the end of the first connection end is provided with A rubber ring, a connecting pipe is arranged in the first connecting end, a scalp needle is movably connected to the first connecting end, and the end of the scalp needle is provided with a second connecting end, and the circumferential outer wall of the second connecting end is close to the middle part. An annular rubber block is arranged at the position, and a threaded groove is opened at the end of the second connecting end. The disposable needle-separated infusion set can be connected with scalp needles and other clinical infusion devices through the first connection end provided, thereby improving the applicability of the infusion set. When the scalp needle is not required for infusion, it can be The small independent packaging bag containing the scalp needle is reserved for replacement when the next steel needle puncture fails, thereby saving medical materials.

Description

Disposable needle-separated infusion set

technical field

The utility model relates to the technical field of infusion sets, in particular to a disposable needle separation type infusion set.

Background technique

At present, needle-free links and needle-free infusion are recommended in clinical practice, but most of the infusion sets currently used in hospitals are infusion sets with needles. During clinical infusion treatment, medical staff will discard the scalp needle at the front of the infusion set, causing inconvenience. Necessary waste, in view of this, we propose a disposable needle-separating infusion set.

Utility model content

The purpose of this utility model is to provide a disposable needle-separated infusion set to solve the problem of waste of resources caused by discarding the scalp needle at the front end of the infusion set by medical staff during clinical infusion treatment in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A disposable needle-separated infusion set includes an infusion tube, the top of the infusion tube is provided with a liquid inlet needle, the middle of the infusion tube is provided with a flow regulator, and the flow regulator and the liquid inlet needle are connected. There is a drip hopper, the bottom end of the infusion tube is provided with a first connection end, the edge of the end of the first connection end is provided with a rubber ring, and the first connection end is provided with a connection pipe , the circumferential outer wall of the connecting pipe is provided with an external thread, the connecting pipe and the inner wall of the rubber ring form a first annular groove, and the connecting pipe and the inner wall of the first connecting end form a second annular groove A filter is provided between the flow regulator and the first connecting end, the first connecting end is movably connected with a scalp needle, and the end of the scalp needle is provided with a second connecting end, An annular rubber block is provided on the circumferential outer wall of the second connecting end and at a position close to the middle, and the end of the second connecting end is provided with a threaded groove.

Preferably, it also includes an independent small packaging bag, an inner layer packaging bag is arranged in the independent small packaging bag, and a vacuum layer is formed between the inner layer packaging bag and the independent small packaging bag, and the independent small packaging bag has a vacuum layer. One end is provided with a sealing strip, and the connection between the sealing strip and the independent small packaging bag is provided with an easy-tear line.

Preferably, one end of the connecting tube is communicated with the infusion tube, and the other end of the connecting tube is communicated with the scalp needle.

Preferably, the outer diameter of the second connecting end is adapted to the inner diameter of the first annular groove, and the outer diameter of the annular rubber block is adapted to the inner diameter of the second annular groove.

Preferably, the thread of the threaded groove is adapted to the thread of the external thread, and the second connection end is threadedly connected to the first connection end.

Compared with the prior art, the beneficial effects of the present utility model are:

The disposable needle-separated infusion set can be connected with scalp needles and other clinical infusion devices through the provided first connection terminal, thereby improving the applicability of the infusion set, and the independent small packaging bag provided can The scalp needle is individually packaged in the packaging bag of the infusion set, and when the scalp needle is not required for infusion, the small packaging bag can be kept as a replacement for the next steel needle puncture failure, thereby saving medical materials.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

2 is a schematic structural diagram of a first connection terminal and a second connection terminal in the present invention;

FIG. 3 is a schematic diagram of the cross-sectional structure of the first connecting end in the present invention;

4 is a schematic structural diagram of the second connection terminal in the present invention;

5 is a schematic structural diagram of an independent small packaging bag in the utility model.

In the figure: infusion tube 1, liquid inlet needle 10, drip bucket 11, flow regulator 12, filter 13, first connecting end 14, rubber ring 140, connecting pipe 141, external thread 1410, first annular groove 142, The second annular groove 143 , the scalp needle 2 , the second connecting end 20 , the annular rubber block 200 , the thread groove 201 , the small independent packaging bag 3 , the inner packaging bag 30 , the sealing strip 31 , and the easy tearing line 32 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to Fig. 1-Fig. 5, the utility model provides a technical solution:

A disposable needle-separated infusion set includes an infusion tube 1, the top of the infusion tube 1 is provided with a liquid inlet needle 10, and the middle of the infusion tube 1 is provided with a flow regulator 12, which is used to control the flow rate of the liquid in the infusion tube 1. , a drip hopper 11 is provided between the flow regulator 12 and the liquid inlet needle 10, and the bottom end of the infusion tube 1 is provided with a first connecting end 14, through which the infusion tube 1 is connected with other devices. A rubber ring 140 is provided at the edge of the end of a connecting end 14. The rubber ring 140 can seal the connection. The first connecting end 14 is provided with a connecting pipe 141, and the outer circumferential wall of the connecting pipe 141 is provided with a connecting pipe 141. The outer thread 1410, the connecting pipe 141 and the inner wall of the rubber ring 140 enclose a first annular groove 142, the connecting pipe 141 and the inner wall of the first connecting end 14 enclose a second annular groove 143, the flow regulator 12 and the first connecting end A filter 13 is provided between the heads 14, the scalp needle 2 is movably connected to the first connection end 14, and the end of the scalp needle 2 is provided with a second connection end 20, through which the scalp needle 2 and the scalp needle 2 are connected. The infusion tube 1 is connected, the circumferential outer wall of the second connection end 20 is provided with an annular rubber block 200 near the middle, and the end of the second connection end 20 is provided with a threaded groove 201 to facilitate the connection between the scalp needle 2 and the infusion tube 1. connection and disassembly.

In this embodiment, an independent small packaging bag 3 is also included, through which the scalp needles 2 are individually bagged. The independent small packaging bag 3 is provided with an inner packaging bag 30, and the inner packaging bag 30 and the independent small packaging There is a vacuum layer between the bags 3. When the outer layer of the independent small packaging bag 3 is accidentally damaged, there is also an inner packaging bag 30 for protection, which improves the safety of the scalp needle 2. One end of the independent small packaging bag 3 is provided with a sealing strip 31. , the connection between the sealing strip 31 and the small independent packaging bag 3 is provided with an easy tearing line 32, which is convenient for the user to tear the sealing strip 31.

Specifically, one end of the connecting tube 141 is communicated with the infusion tube 1 , the other end of the connecting tube 141 is communicated with the scalp needle 2 , and the infusion tube 1 and the scalp needle 2 are communicated through the connecting tube 141 .

Further, the outer diameter of the second connection end 20 is adapted to the inner diameter of the first annular groove 142 , and the outer diameter of the annular rubber block 200 is adapted to the inner diameter of the second annular groove 143 to ensure that the first connection end 14 and the second connection end 20 and the connection are in a sealed state to prevent liquid leakage.

In addition, the thread of the threaded groove 201 is adapted to the thread of the external thread 1410, and the second connection end 20 is threadedly connected to the first connection end 14, so that the second connection end 20 and the first connection end 14 are threadedly connected. installation and removal.

When using the disposable needle-separated infusion set of this embodiment, when the scalp needle 2 needs to be used, the user first disassembles the outer packaging bag of the infusion tube 1, then closes the flow regulator 12, and then closes the infusion tube 1 The infusion needle 10 is connected to the infusion bag, and then the independent small packaging bag 3 in the packaging bag is taken out, the sealing strip 31 is torn along the easy tear line 32 by hand, and the scalp needle 2 is taken out, and then the scalp needle 2 The second connecting end 20 of the infusion tube 1 is connected with the first connecting end 14 of the infusion tube 1, so that the threaded groove 201 of the second connecting end 20 is inserted into the first annular groove 142 and rotated clockwise, so that the threaded groove 201 is connected to the connecting tube 141 Thread connection, after the connection is completed, the annular rubber block 200 is fitted with the first annular groove 142 to achieve a sealing effect on the connection, and then the operation of the scalp needle 2 is performed, and finally the flow regulator 12 is opened and the flow rate is adjusted. When the scalp needle 2 does not need to be used, the user can keep the small independent packaging bag 3 as a replacement for the next time when the puncture of the steel needle fails, so as not to waste medical materials.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the present invention. Under the premise of the spirit and scope, the present invention will also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A disposable needle-head separation type infusion device, comprising an infusion tube (1), characterized in that: the top of the infusion tube (1) is provided with a liquid inlet needle (10), and the middle part of the infusion tube (1) is provided with a liquid inlet needle (10). A flow regulator (12) is provided, a drip hopper (11) is provided between the flow regulator (12) and the liquid inlet needle (10), and a first end of the infusion tube (1) is provided with a first A connecting end (14), a rubber ring (140) is arranged at the edge of the end of the first connecting end (14), and a connecting pipe (141) is arranged in the first connecting end (14), so The outer circumferential wall of the connecting pipe (141) is provided with an external thread (1410), the connecting pipe (141) and the inner wall of the rubber ring (140) enclose a first annular groove (142), and the connecting pipe (141) ) and the inner wall of the first connecting end (14) to form a second annular groove (143), a filter (143) is provided between the flow regulator (12) and the first connecting end (14). 13), the first connecting end (14) is movably connected with the scalp needle (2), the end of the scalp needle (2) is provided with a second connecting end (20), the second connecting end An annular rubber block (200) is provided on the outer circumferential wall of the (20) and near the middle, and a thread groove (201) is provided at the end of the second connecting end (20). 2. The disposable needle-separating type infusion set according to claim 1, characterized in that it further comprises an independent small packaging bag (3), wherein an inner layer packaging bag (30) is provided in the independent small packaging bag (3) , a vacuum layer is formed between the inner packaging bag (30) and the small independent packaging bag (3), one end of the small independent packaging bag (3) is provided with a sealing strip (31), and the sealing strip ( 31) An easy-tear line (32) is provided at the connection with the independent small packaging bag (3). 3. The disposable needle-separated infusion set according to claim 1, characterized in that: one end of the connecting pipe (141) is communicated with the infusion pipe (1), and the other end of the connecting pipe (141) is in communication with the infusion pipe (1). communicate with the scalp needle (2). 4. The disposable needle-separated infusion set according to claim 1, wherein the outer diameter of the second connecting end (20) is adapted to the inner diameter of the first annular groove (142), The outer diameter of the annular rubber block (200) is adapted to the inner diameter of the second annular groove (143). 5. The disposable needle-separated infusion set according to claim 1, wherein the thread of the thread groove (201) is adapted to the thread of the external thread (1410), and the second connection end The head (20) is screwed with the first connection end (14).

Images