CN219481107U - Novel infusion remaining needle - Google Patents

Abstract

The utility model discloses a new indwelling needle set for infusion, which can guide the catheter into the blood vessel of the human body by being provided with a puncture needle, pull out the needle seat and the puncture needle through the push piece, and increase the anti-slip of the push piece through the anti-slip pattern The sealing performance inside the catheter can be increased through the threaded connection between the sealing ring and the placement groove, and the second sealing plug. The utility model has the characteristics of strong practicability and the ability to accurately grasp the retention time.

Description

A new indwelling needle for infusion

technical field

The utility model relates to the technical field of indwelling needles, in particular to a novel indwelling needle for infusion.

Background technique

The use of indwelling needles can reduce the pain and fear of injections caused by repeated venipuncture in children, relieve the anxiety of parents, facilitate clinical medication, rescue medication for acute and critical patients, reduce the workload of nurses, and reduce the risk of children's anxiety. Pain, so intravenous indwelling needles are widely used clinically. Facing the special group of children, the indwelling time of intravenous indwelling needles and the comfort of children have become the most concerned issues for nurses and parents, and they are also the symbol and promotion of the successful use of indwelling needles. premise, the utility model whose publication number is CN217472496U discloses an indwelling needle, including an indwelling needle body, a joint and a dosing tube. The connection sleeve, the connection tube is inserted into one end of the joint and threaded with it, the drug feeding tube is inserted into the other end of the joint and threaded with it, the indwelling needle also includes a cover for sealing the port of the connection tube, and the cover can be sleeved on the connection tube However, in real life, the indwelling time of the indwelling needle is generally not recommended to exceed three days (72 hours). However, due to changes in medical staff and other reasons during actual use, it is often difficult to confirm the indwelling time of the indwelling needle. , so that the indwelling needle that should be replaced is used beyond the period, there is unnecessary hidden danger. Therefore, it is necessary to design a new type of infusion indwelling needle with strong practicability and accurate grasp of indwelling time.

Utility model content

The purpose of this utility model is to provide a new type of indwelling needle for transfusion to solve the problems raised in the above-mentioned background technology.

In order to solve the above technical problems, the utility model provides the following technical solutions: a new type of indwelling needle for infusion, including a catheter base, a cavity is opened in the catheter base, and a first flow groove is opened through the upper end of the cavity. A conduit is fixedly installed in the first flow tank, a second flow tank is opened through the side wall of the cavity, a liquid outlet joint is fixedly installed in the second flow tank, and an extension tube is fixedly installed at one end of the liquid outlet joint , the extension tube is provided with a flow stop clip, one end of the extension tube is fixedly installed with a joint, the first sealing plug is fixedly installed in the cavity, the lower end of the catheter seat is provided with a needle seat, and the upper end of the needle seat is A puncture needle is fixedly installed, the upper end of the puncture needle passes through the first sealing plug and extends out of the catheter, the upper end of the needle holder is fixedly installed with a fixing ring, and the lower end of the catheter holder is provided with an annular groove, the fixing The ring is movably installed in the annular groove, a push piece is fixedly installed at one end of the needle base, a fixed block is fixedly installed on the side wall of the catheter base, an elastic connecting belt is fixedly installed at one end of the fixed block, and the elastic connection One end of the belt is fixedly installed with a sealing cover, one end of the sealing cover is fixedly installed with a timer, the lower end of the timer is evenly distributed with control buttons, the other end of the sealing cover is fixedly installed with a sealing ring, and the lower end of the catheter seat is provided with a groove, and the outer wall of the sealing ring is provided with threaded connection in the placement groove.

According to the above technical solution, a second sealing plug is fixedly installed inside the sealing ring, and the diameter of the second sealing plug is larger than that of the puncture needle.

According to the above technical solution, the push piece is provided with anti-slip patterns.

According to the above technical solution, the flow stop clamp is a flow rate clamp capable of controlling the flow rate.

According to the above technical solution, a first sealing ring is fixedly installed in the first flow groove, and a second sealing ring is fixedly installed in the second flow groove.

Compared with the prior art, the beneficial effect achieved by the utility model is: the utility model, by being provided with a puncture needle, can guide the catheter into the blood vessel of the human body, pull out the needle seat and the puncture needle through the push piece, and pass through The anti-slip pattern can increase the anti-slip performance of the propulsion piece. Through the threaded connection between the sealing ring and the placement groove, the second sealing plug can increase the sealing performance inside the catheter, strengthen the sealing performance inside the catheter, and then perform infusion operations. The stop clip can control the stop of the infusion, and control the flow rate of the infusion. At the same time, the timer and the control button are used to set the time to prevent the indwelling time of the indwelling needle from being difficult to confirm, resulting in too long indwelling time and affecting the patient. The operation is convenient. , the sealing between the catheter and the catheter base can be better through the first sealing ring, and the sealing between the liquid outlet joint and the catheter base can be better through the second sealing ring.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is a schematic sectional view of the utility model;

Fig. 3 is a schematic front view of the sealing ring of the present invention;

In the figure: 1-catheter seat, 2-cavity, 3-first flow channel, 4-conduit, 5-second flow channel, 6-liquid outlet joint, 7-extension tube, 8-stop clip, 9- Connector, 10-first sealing plug, 11-needle seat, 12-puncture needle, 13-fixing ring, 14-annular groove, 15-propelling piece, 16-fixing block, 17-elastic connecting belt, 18-sealing cover, 19-timer, 20-sealing ring, 21-placement groove, 22-second sealing plug, 23-anti-slip pattern, 24-first sealing ring, 25-second sealing ring.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a new type of indwelling needle for infusion, including a catheter base 1, a cavity 2 is opened in the catheter base 1, and a first hole is opened through the upper end of the cavity 2. A flow channel 3, a conduit 4 is fixedly installed in the first flow channel 3, a second flow channel 5 is opened through the side wall of the cavity 2, and a liquid outlet joint 6 is fixedly installed in the second flow channel 5, One end of the liquid outlet joint 6 is fixedly installed with an extension tube 7, and the extension tube 7 is provided with a flow stop clip 8, and one end of the extension tube 7 is fixedly installed with a joint 9, and the cavity 2 is fixedly installed with a first A sealing plug 10, the lower end of the catheter base 1 is provided with a needle base 11, the upper end of the needle base 11 is fixedly equipped with a puncture needle 12, the upper end of the puncture needle 12 penetrates the first sealing plug 10 and the upper end extends out of the catheter 4. A fixed ring 13 is fixedly installed on the upper end of the needle base 11, and an annular groove 14 is opened on the lower end of the catheter base 1. The fixed ring 13 is movably installed in the annular groove 14, and one end of the needle base 11 is fixedly installed. There is a propulsion piece 15, a fixed block 16 is fixedly installed on the side wall of the catheter base 1, an elastic connecting band 17 is fixedly installed at one end of the fixed block 16, and a sealing cover 18 is fixedly installed at one end of the elastic connecting band 17, the One end of the sealing cover 18 is fixedly equipped with a timer 19, the lower end of the timer 19 is evenly distributed with control buttons, the other end of the sealing cover 18 is fixedly equipped with a sealing ring 20, and the lower end of the catheter base 1 is provided with a placement groove 21. The outer wall of the sealing ring 20 is provided with a threaded connection in the placement groove 21. When the utility model is in use, the puncture needle 12 is first stuck at the infusion site of the human body through the pusher piece 15, and the catheter 4 is guided into the blood vessel of the human body. After the catheter 4 enters the proper position, the needle base 11 and the puncture needle 12 are pulled out through the push piece 15, and only the catheter 4 is left in the blood vessel of the human body, and then the sealing cap 18 connected to one end of the elastic connecting band 17 is twisted. Above, through the threaded connection between the sealing ring 20 and the placement groove 21, the sealing performance inside the catheter 4 can be strengthened, and then the infusion operation can be performed. The stop of the infusion can be controlled by the stop clamp 8, and at the same time, the timer 19 and the control button to set the time to prevent the indwelling time of the indwelling needle from being difficult to confirm, resulting in too long indwelling time and affecting the patient;

Specifically, a second sealing plug 22 is fixedly installed in the sealing ring 20, the diameter of the second sealing plug 22 is larger than the diameter of the puncture needle 12, and the sealing inside the catheter 4 can be increased by the second sealing plug 22. sex;

Specifically, the push piece 15 is provided with an anti-skid pattern 23, and the anti-skid property of the push piece 15 can be increased through the anti-skid pattern 23;

Specifically, the stop clip 8 is a flow rate clip that can control the flow rate, and the flow rate of the infusion can be controlled through the stop clip 8;

Specifically, a first sealing ring 24 is fixedly installed in the first flow groove 3, and a second sealing ring 25 is fixedly installed in the second flow groove 5, and the conduit 4 and the conduit can be connected through the first sealing ring 24. The sealing between the seats 1 is better, and the second sealing ring 25 can make the sealing between the liquid outlet joint 6 and the catheter seat 1 better.

Working principle: when the utility model is in use, the puncture needle 12 is first pierced at the infusion site of the human body through the pusher piece 15, and guides the catheter 4 into the blood vessel of the human body. 15. Pull out the needle base 11 and the puncture needle 12, and increase the anti-slip performance of the propulsion piece 15 through the anti-slip pattern 23, and only leave the catheter 4 in the blood vessel of the human body, and then screw on the sealing cap 18 connected to one end of the elastic connecting band 17 , through the threaded connection between the sealing ring 20 and the placement groove 21, the sealing performance inside the catheter 4 can be increased through the second sealing plug 22, the sealing performance inside the catheter 4 can be strengthened, and then the infusion operation can be performed. It can control whether the infusion is stopped or not, and control the flow rate of the infusion. At the same time, the timer 19 and the control button are used to set the time to prevent the indwelling time of the indwelling needle from being difficult to confirm, resulting in too long indwelling time and affecting the patient. Through the first seal The ring 24 can make the sealing between the catheter 4 and the catheter base 1 better, and the second sealing ring 25 can make the sealing between the liquid outlet joint 6 and the catheter base 1 better.

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 there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a novel infusion remaining needle utensil, includes catheter seat (1), its characterized in that: the utility model discloses a catheter, including catheter seat (1) and fixed ring (14), cavity (2) have been seted up in catheter seat (1), cavity (2) upper end has run through and has been seted up first circulation groove (3), fixed mounting has pipe (4) in first circulation groove (3), cavity (2) lateral wall has run through and has been seted up second circulation groove (5), fixed mounting has out liquid joint (6) in second circulation groove (5), go out liquid joint (6) one end fixed mounting has extension pipe (7), be equipped with on extension pipe (7) and end clamp (8), extension pipe (7) one end fixed mounting has joint (9), fixed mounting has first sealing plug (10) in cavity (2), catheter seat (1) lower extreme is equipped with needle file (11), needle file (11) upper end fixed mounting has pjncture needle (12), pjncture needle (12) upper end runs through first sealing plug (10) and upper end stretches out catheter (4), needle file (11) upper end fixed ring (13), catheter seat (1) lower extreme has seted up extension pipe (14), fixed ring (14) is equipped with retaining ring (16) in fixed ring groove (14) fixed mounting in the side wall (16), fixed block (16) one end fixed mounting has elastic connection area (17), elastic connection area (17) one end fixed mounting has sealed lid (18), sealed lid (18) one end fixed mounting has time-recorder (19), time-recorder (19) lower extreme evenly distributed has the control button, sealed lid (18) other end fixed mounting has sealing ring (20), standing groove (21) have been seted up to catheter holder (1) lower extreme, sealing ring (20) outer wall is equipped with threaded connection in standing groove (21).

2. The novel infusion indwelling needle set according to claim 1, wherein: a second sealing plug (22) is fixedly arranged in the sealing ring (20), and the diameter of the second sealing plug (22) is larger than that of the puncture needle (12).

3. The novel infusion indwelling needle set according to claim 2, wherein: the pushing sheet (15) is provided with anti-skid patterns (23).

4. A novel infusion set according to claim 3, wherein: the flow stopping clamp (8) is a flow velocity clamp capable of controlling the flow velocity.

5. The novel infusion indwelling needle set according to claim 4, wherein: the first sealing ring (24) is fixedly arranged in the first circulating groove (3), and the second sealing ring (25) is fixedly arranged in the second circulating groove (5).