CN211935047U - Scalp needle with air filtering function - Google Patents

Abstract

The utility model discloses a scalp needle with an air filter function, comprising a needle tube, one end of the needle tube is provided with a needle head, one end of the needle head close to the needle tube is provided with a needle handle, the end of the needle tube away from the needle head is provided with a connecting head, and the connecting head is far away from the needle tube One end is provided with a sealing cap, the inside of the connector is provided with an air filter device, the air filter device includes an annular ring, a connection groove is opened inside the annular ring, and a filter screen is arranged in the connection groove; a fixing device is provided on the outer circumferential wall of the needle tube , the fixing device includes a fixing block, the top outer wall of the fixing block is provided with a pipe groove, the top outer wall of the fixing block is located on the left side of the pipe groove with a self-adhesive tape, the bottom outer wall of the fixing block is provided with a soft pad, and the needle A protective cap is provided on the outside, and the protective cap is inserted on the needle handle. The scalp needle with air filtering function can prevent dust in the air from entering the infusion pipeline and causing pollution.

Description

A scalp needle with air filter function

technical field

The utility model relates to the technical field of scalp needles, in particular to a scalp needle with an air filtering function.

Background technique

Intravenous infusion is an important means of clinical treatment. The injection sites are generally the hands, feet, and head. For some young children, head injection is often used, and scalp needles are often connected to the end of the infusion set. The scalp needles used here have no air filtration function, and the dust in the air can easily enter the infusion pipeline and cause pollution, which is not conducive to the infusion work. In view of this, we propose a scalp needle with air filtration function.

Utility model content

The purpose of the present invention is to provide a scalp needle with an air filter function to solve the problems raised in the above-mentioned background art.

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

A scalp needle with air filtering function, comprising a needle tube, one end of the needle tube is provided with a needle head, the end of the needle head close to the needle tube is provided with a needle handle, and the end of the needle tube away from the needle head is provided with a connecting head , the end of the connecting head away from the needle tube is provided with a closing cap, the interior of the connecting head is provided with an air filter device, and the air filter device includes an annular ring, and a connecting groove is opened inside the annular ring, and the A filter screen is arranged in the connecting groove; a fixing device is arranged on the circumferential outer wall of the needle tube, and the fixing device includes a fixing block, a pipe groove is opened on the top outer wall of the fixing block, and the top outer wall of the fixing block is located on the outer wall. A self-adhesive tape is provided on the left side of the pipe groove, and a soft pad is provided on the bottom outer wall of the fixing block.

Preferably, a protective cap is provided on the outside of the needle, and the protective cap is inserted on the needle handle.

Preferably, the filter mesh and the connection groove are inserted and fitted, and the annular ring is adhered to the inner wall of the connection head.

Preferably, the size of the needle tube is adapted to the size of the pipe groove, one end of the self-adhesive tape and the fixing block are fixed by needle and thread, and the upper surface of the self-adhesive tape is bonded with a The second protective film.

Preferably, the soft pad and the fixing block are tightly bonded, an adhesive layer is provided on the bottom outer wall of the soft pad, and a first protective film is bonded on the adhesive layer.

Preferably, the interior of the soft pad is provided with a plurality of ventilation holes.

Compared with the prior art, the beneficial effect of the present utility model is: the scalp needle with the air filter function can filter the air entering the pipeline through the setting of the air filter device, and can remove the dust in the air and solve the problem. The current scalp needle has no air filtration function, and the dust in the air easily enters the infusion pipeline to cause pollution, which is not conducive to the infusion work. The needle tube is shaken to facilitate the infusion work.

Description of drawings

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

Fig. 2 is the structural representation of the air filter device in the utility model;

Fig. 3 is the structural representation of the fixing device in the utility model;

FIG. 4 is a schematic diagram of the partial structure of the soft pad in the utility model.

In the figure: 1. Needle tube; 10. Needle; 11. Needle handle; 12. Protective cap; 13. Connector; 14. Closure cap; 2. Air filter device; 20. Filter; 21. Ring; 210. Connection Slot; 3. Fixing device; 30. Fixing block; 300, Pipe groove; 31, Soft pad; 310, Ventilation hole; 32, Adhesive layer; 33, First protective film; 34, Self-adhesive tape; 35, Second protective film.

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", "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 Figures 1-4, the utility model provides a technical solution:

A scalp needle with air filtration function comprises a needle tube 1, one end of the needle tube 1 is provided with a needle head 10, one end of the needle head 10 close to the needle tube 1 is provided with a needle handle 11, and one end of the needle tube 1 away from the needle head 10 is provided with a connector 13, The end of the connecting head 13 away from the needle tube 1 is provided with a closing cap 14, and an air filter device 2 is arranged inside the connecting head 13. The air filter device 2 includes an annular ring 21, and a connecting groove 210 is opened inside the annular ring 21. A filter screen 20 is provided; a fixing device 3 is arranged on the circumferential outer wall of the needle tube 1, and the fixing device 3 includes a fixing block 30, a pipe groove 300 is opened on the top outer wall of the fixing block 30, and a pipe groove 300 is located on the top outer wall of the fixing block 30. A self-adhesive tape 34 is provided on the left side of the fixing block 30 , and a soft pad 31 is provided on the bottom outer wall of the fixing block 30 .

In this embodiment, a protective cap 12 is provided on the outside of the needle 10, and the protective cap 12 is inserted into the needle handle 11. After the protective cap 12 is inserted into the needle handle 11, the needle 10 can be covered. When the scalp needle is not used Before, the needle 10 can be protected to prevent the needle from being infected with bacteria. After the scalp needle is used, the needle 10 can be pulled out, and the needle 10 can be covered by the protective cap 12 to prevent the needle 10 from hurting staff or patients. it is good.

Specifically, the filter mesh 20 and the connection groove 210 are plugged and fitted, so that the filter mesh 20 is stably fixed in the connection groove 210, and the annular ring 21 is adhered to the inner wall of the connection head 13, so that the annular ring 21 is tightly fixed in the connecting groove 210. In the connecting head 13 , the dust in the air can be filtered through the filter screen 20 to prevent the dust from entering the needle tube 1 and causing pollution.

Further, the size of the needle tube 1 is adapted to the size of the pipe groove 300, so that the needle tube 1 can be easily placed in the pipe groove 300. One end of the adhesive tape 34 and the fixing block 30 are fixed by needle thread stitching, and the adhesive tape 34 The second protective film 35 is adhered to the upper surface of the needle tube 1, the needle tube 1 is placed in the pipe groove 300, and then the second protective film 35 is torn off, so that the self-adhesive tape 34 can stick the needle tube 1, so that the needle tube 1 can be stably fixed in the In the pipeline groove 300, it is convenient to carry out the infusion work.

In addition, the soft pad 31 and the fixing block 30 are closely bonded, so that the soft pad 31 is firmly fixed on the fixing block 30, and the bottom outer wall of the soft pad 31 is provided with an adhesive layer 32, and the adhesive layer 32 The first protective film 33 is adhered on it, the first protective film 33 is torn off, and the soft pad 31 can be adhered to the patient's skin through the adhesive layer 32, so that the fixing block 30 can be adhered to the patient's skin. The layer 32 is made of high temperature-resistant epoxy resin, and its material has good viscosity and high temperature resistance. The first protective film 33 and the second protective film 35 are made of transparent PE film, which are tough and durable and have high transparency.

It should be noted that the interior of the soft pad 31 is provided with a plurality of ventilation holes 310, through which the ventilation performance of the soft pad 31 can be enhanced. Aerobic respiration can prevent pressure sores on the skin. The cushion 31 is made of silicone material, which is soft, elastic and comfortable.

When the scalp needle with air filtering function of this embodiment is in use, the medical staff first removes the protective cap 12, holds the needle handle 11 and inserts the needle 10 into the patient's venous blood vessel, then tear off the first protective film 33, The adhesive layer 32 can adhere the soft pad 31 to the appropriate position on the patient's skin, so that the fixing block 30 can be adhered to the patient's skin, and then the needle tube 1 is placed in the channel groove 300, and then the second protective film 35 is torn off. , so that the self-adhesive tape 34 sticks the needle tube 1, so that the needle tube 1 is stably fixed in the pipeline groove 300, which is convenient for the infusion work. Contaminated pipes.

The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand 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. Under the premise of the spirit and scope, the present invention will 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 (3)

1. A scalp needle with an air filtration function, comprising a needle tube (1), characterized in that: one end of the needle tube (1) is provided with a needle head (10), and the needle head (10) is close to the needle tube (1) A needle handle (11) is provided at one end of the needle tube (1), and a connector (13) is provided at the end of the needle tube (1) away from the needle (10), and the connector (13) is away from the end of the needle tube (1) A closing cap (14) is provided, and an air filter device (2) is provided inside the connecting head (13), and the air filter device (2) comprises an annular ring (21), and the inner part of the annular ring (21) A connecting groove (210) is provided, and a filter screen (20) is arranged in the connecting groove (210); a fixing device (3) is provided on the circumferential outer wall of the needle tube (1), and the fixing device (3) comprises A fixing block (30), a pipe groove (300) is opened on the top outer wall of the fixing block (30), and a pipe groove (300) is provided on the top outer wall of the fixing block (30) on the left side of the pipe groove (300). A self-adhesive tape (34), a soft pad (31) is provided on the bottom outer wall of the fixing block (30); a protective cap (12) is provided on the outside of the needle (10), and the protective cap (12) is inserted connected to the needle handle (11); the filter screen (20) and the connecting groove (210) are plug-fitted, and the annular ring (21) is adhered to the connecting head (13). on the inner wall; the size of the needle tube (1) is adapted to the size of the pipe groove (300), and one end of the self-adhesive tape (34) and the fixing block (30) are fixed by sewing with a needle thread , a second protective film (35) is adhered to the upper surface of the self-adhesive tape (34). 2. The scalp needle with air filtering function according to claim 1, wherein the cushion (31) and the fixing block (30) are tightly bonded, and the cushion (31) is An adhesive layer (32) is arranged on the outer wall of the bottom, and a first protective film (33) is adhered on the adhesive layer (32). 3 . The scalp needle with air filtering function according to claim 1 , wherein a plurality of ventilation holes ( 310 ) are opened inside the soft pad ( 31 ). 4 .

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