CN222324042U - A newborn umbilical vein puncture needle - Google Patents

Abstract

The utility model discloses a neonate umbilical vein puncture needle which comprises a needle stem and a needle bolt, wherein the rear end of the needle stem is connected with the needle bolt, the front end of the needle stem is provided with an anti-drop small ball, the inside of the anti-drop small ball is hollow, the rear end of the anti-drop small ball is communicated with the needle stem, and the front end of the needle stem is provided with a liquid outlet. The utility model can simultaneously solve the problems of easy puncture of blood vessels, slow needle insertion, easy slipping, liquid leakage and the like in the prior art.

Description

Neonate umbilical vein puncture needle

Technical Field

The utility model relates to the field of medical appliances, in particular to a neonatal umbilical vein puncture needle.

Background

The umbilical vein puncture is one of the common operations of rescuing neonates in the delivery room, and whether the venous channel can be opened quickly and timely in the rescuing process of the neonates, and the administration of the medicine is timely and rapid, is one of the keys of success or failure of the rescuing. Two umbilical arteries and one umbilical vein are generally arranged in the umbilical cord, the arterial vessel cavity is smaller, the venous vessel cavity is larger, the umbilical vessel cavity is generally 7-8 mm in term of pregnancy, and the umbilical vein is the first choice for the passage of the neonate rescue open vein. There is no special needle for umbilical vein in the market at present, and an indwelling needle or a disposable epidural anesthesia catheter is used for puncture in clinic, the indwelling needle has the advantages of hard and straight needle stem and easy placement, but sharp needle tip is easy to puncture blood vessel and hurt newborns, the disposable epidural anesthesia catheter has the advantages of smooth puncture head, no puncture of umbilical cord, scale and good observation of placement depth, and the disadvantage of insufficient hardness of the catheter, and the umbilical cord is very soft and slippery and difficult to place. The umbilical cord section is required to be repaired and sheared before the umbilical cord is placed, umbilical veins are better exposed, the umbilical cord is convenient to place, the umbilical cord is very soft and slippery after the umbilical cord is placed, the umbilical cord is required to be bound and fixed by the opposite placement puncture needle, the whole process is required to be completed by two people in a combined operation mode, the needle insertion and fixation are long in time consumption, the puncture needle is easy to slip, and even the problem of liquid leakage exists. In the rescuing process, the time is life, the average time is 3-4 minutes from the doctor to the open venous access doctor order to the nurse to finish execution, the requirements on the puncture technology are extremely high when the neonate is rescuing, especially the neonate with severe asphyxia is also called dying neonate, the surrounding circulation is extremely poor, and even the nursing staff with the working experience of the neonate for more than a few years can take a certain time to finish.

Chinese patent CN 204275169U discloses a neonate umbilical vein puncture needle, which comprises a needle stem, a butterfly handle, a needle seat and a rotary cap, wherein the tail end of the needle stem is fixedly connected with the front end of the butterfly handle, the tail end of the butterfly handle is connected with the front end of the needle seat in a sealing rotation manner, the rotary cap is screwed with the tail end of the needle seat, the centers of the needle stem, the butterfly handle and the needle seat are mutually communicated, a soft protective sleeve is tightly sleeved outside the needle stem, the tail end of the soft protective sleeve is connected with or connected with the butterfly handle, the front end of the soft protective sleeve extends out of the front end of the needle stem by 2-3 mm, and the front end of the needle stem is an inert puncture end. The patent adds a soft protective sleeve, and can prevent the puncture needle from slipping to a certain extent, but the soft material has a certain influence on the needle inserting speed, and the problem of liquid leakage still exists.

Disclosure of utility model

The utility model aims to provide a neonate umbilical vein puncture needle, which can simultaneously solve the problems of easy puncture of blood vessels, slow needle insertion, easy slipping, liquid leakage and the like in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a neonate umbilical vein pjncture needle, includes needle stalk, pintle, needle stalk rear end is connected with the pintle, the front end of needle stalk is equipped with anticreep pellet, the inside cavity of anticreep pellet, its rear end and needle stalk intercommunication, the front end is equipped with the liquid outlet.

Preferably, the needle peduncles are bent at 80-100 degrees.

Preferably, the length of the bending part from the liquid outlet of the anti-drop small ball is 2.5cm.

Preferably, the diameter of the anti-falling pellets is 5-6 mm.

Preferably, the needle stem is provided with graduations.

Preferably, the outer side wall of the pintle is provided with a butterfly handle.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model provides an anti-drop ball to replace an original needle point at the front end of a needle stem, which can avoid the sharpness of the original needle point and the easy puncture of a blood vessel, and can keep the hardness and straightness of a puncture needle, and improve the needle inserting efficiency, and in the third aspect, a certain limit relation is formed between the anti-drop ball and a hemostatic forceps, so that the puncture needle can not drop out from an umbilical cord, the fixing effect is good, in the fourth aspect, the anti-drop ball plays a certain role in blocking an umbilical vein, the problem of liquid leakage is solved, and in the fifth aspect, after the puncture needle enters the umbilical vein, the position of a needle head can be timely confirmed through the anti-drop ball, and the position of the hemostatic forceps is judged, so that a medicine placing or blood drawing channel is quickly established.

2. The needle stem is designed into a bending structure, can play a supporting role on the umbilical cord after the needle is inserted and fixed, and ensures that the umbilical vein channel is always opened, thereby being capable of smoothly taking medicines.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is a schematic structural diagram of embodiment 2 of the present utility model;

FIG. 3 is a schematic structural diagram of embodiment 3 of the present utility model;

FIG. 4 is a state diagram of the connecting syringe according to embodiment 3 of the present utility model;

fig. 5 is a use state diagram of embodiment 3 of the present utility model.

The number and the name in the figure are as follows, 1-needle stalk, 2-needle bolt, 3-drop-proof small ball and 4-butterfly handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

A neonate umbilical vein puncture needle is shown in fig. 1, and comprises a needle stem 1 and a needle bolt 2, wherein the rear end of the needle stem 1 is connected with the needle bolt 2, the needle bolt 2 is connected with a syringe or a three-way pipe or is sealed by using a heparin cap, the front end of the needle stem 1 is provided with an anti-drop small ball 3, the inside of the anti-drop small ball 3 is hollow, the rear end of the anti-drop small ball is communicated with the needle stem 1, and the front end of the anti-drop small ball is provided with a liquid outlet. The anti-drop ball 3 is adopted to replace the original needle point, on one hand, the original needle point is prevented from being sharp and puncturing a blood vessel easily, on the other hand, the hardness and straightness of the puncture needle are reserved, the needle inserting efficiency is improved, on the third hand, a certain limiting relation is formed between the anti-drop ball and the hemostatic forceps, so that the puncture needle cannot drop out of an umbilical cord, the fixing effect is good, on the fourth hand, after the puncture needle enters an umbilical vein, the position of the needle head can be confirmed in time through the anti-drop ball, the position of the hemostatic forceps is judged, and therefore a medicine placing or blood drawing channel is established rapidly.

Because the width of umbilical vein is 7~8mm generally, in this embodiment, the diameter of anticreep pellet 3 is 6mm, can guarantee to advance the needle, and anticreep pellet 3 rear end can play certain shutoff effect to the umbilical vein again, has solved weeping problem.

In this embodiment, the needle stalk 1 is provided with a scale, so that an operator can conveniently and intuitively judge the needle insertion depth.

Example 2

The umbilical vein puncture needle for neonate is basically the same as the embodiment 1, except that, as shown in fig. 2, in this embodiment, a butterfly handle 4 is provided on the outer sidewall of the pintle 2, so as to facilitate the operator to take the puncture needle.

Example 3

The neonate umbilical vein puncture needle is basically the same as the embodiment 2, except that, as shown in fig. 3, in this embodiment, the needle stem 1 is bent at 90 ° and the length of the bent position from the liquid outlet of the anti-drop pellet 3 is 2.5cm, which is adapted to the length of the umbilical cord reserved after the umbilical breaking.

The working process of the embodiment is as follows:

The umbilical vein puncture needle is placed into the umbilical vein through the anti-drop small ball 3, the inserted scale is observed, the position of the anti-drop small ball is touched from the outer wall of the umbilical cord, the insertion depth is proper to the bending position of the needle stem 1, and then the hemostatic forceps are used for clamping the umbilical cord between the anti-drop small ball 3 and the bending position, and the tube placement is completed. Immediately following the administration of the medication after the completion of the catheterization, the needle cannula 2 may be directly connected to the syringe for static pushing, as shown in fig. 4. The needle plug 2 can also be connected with a three-way pipe when a plurality of medicines are needed, and the needle plug 2 can also be closed by a heparin cap when the venous access is needed to be kept open so as to be needed from time to time. The time from doctor ordering to taking medicine can be only one minute, so that the channel can be quickly established, and medicine taking or blood drawing operation can be performed. When the umbilical vein puncture needle is withdrawn, the hemostatic forceps are firstly loosened, the umbilical cord below the anti-drop ball 3 is clamped, and then the puncture needle is withdrawn, so that the umbilical vein puncture needle is not damaged in the whole process, and an umbilical vein channel can be quickly established. The umbilical cord is very smooth and soft, and the common puncture needle cannot ensure that the umbilical vein channel is always opened, and with the puncture needle, the needle stem 1 is provided with the bending design and combined with the hemostatic forceps and the pad towel, as shown in fig. 5, the umbilical cord can be supported, and the umbilical vein channel is ensured to be always opened, so that the medicine can be smoothly applied.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The neonate umbilical vein puncture needle comprises a needle stem (1) and a needle plug (2), wherein the rear end of the needle stem (1) is connected with the needle plug (2), and the neonate umbilical vein puncture needle is characterized in that an anti-drop small ball (3) is arranged at the front end of the needle stem (1), the inside of the anti-drop small ball (3) is hollow, the rear end of the anti-drop small ball is communicated with the needle stem (1), and a liquid outlet is formed in the front end of the anti-drop small ball.

2. The neonatal umbilical vein puncture needle according to claim 1, wherein the needle stem (1) is bent at 80-100 degrees.

3. The neonatal umbilical vein puncture needle according to claim 2, wherein the length of the bending part from the liquid outlet of the anti-drop small ball (3) is 2.5cm.

4. The neonatal umbilical vein puncture needle according to claim 1, wherein the diameter of the anti-falling small ball (3) is 5-6 mm.

5. The neonatal umbilical vein puncture needle according to claim 1, wherein the needle stem (1) is provided with graduations.

6. The neonatal umbilical vein puncture needle according to claim 1, wherein a butterfly-shaped grab handle (4) is arranged on the outer side wall of the needle bolt (2).