Novel intravenous puncture needle with guide wire
Technical Field
The invention relates to the technical field of medical supplies, in particular to a novel vein puncture needle with a guide wire.
Background
When people prevent and treat diseases, the physiological or pathological state of a human body is obtained by generally puncturing venous blood vessels, collecting, analyzing and inspecting substances in the venous blood vessels; the medicine liquid is infused into the vein vessel to reach the whole body by puncturing the vein vessel, thereby playing, compensating, replacing and treating roles; in the above examination and treatment processes, a venipuncture needle is required to realize the destructive intervention of a human vein blood vessel, thereby establishing a temporary passage from the outside of the body to the inside of the blood vessel.
However, most puncture needles in the prior art have the problems that the puncture failure rate is high, the infusion is affected by the interference of the input tube and the inner wall of the blood vessel, and the like, and need to be improved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a novel vein puncture needle with a guide wire.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a novel vein pjncture needle of area seal wire, is including keeping somewhere the pipe, one side inner wall of keeping somewhere the pipe is inserted and is equipped with the pjncture needle, one side inner wall of keeping somewhere the pipe and one side lateral wall fixed connection of pjncture needle, the seal wire has been inserted in the pjncture needle, and blood flows out by well kenozooecium in the seal wire, can see blood outflow speed and process in the seal wire outside in real time, has guaranteed that the seal wire puts into venous exactness.
The indwelling tube is characterized in that a metal wire is inserted into the inner wall of the indwelling tube and fixedly connected with the inner wall of the indwelling tube, the metal wire is spirally wound, the strength of the indwelling tube is improved, and the obstruction of infusion after the blood vessel is pressed due to body position factors is avoided.
The outer diameter of the guide wire is equal to the inner diameter of the puncture needle, and the outer diameter of the puncture needle is equal to the inner diameter of the indwelling tube.
Two side openings are formed in the side wall of one side of the indwelling tube, and the side openings extend to the inner wall of one side of the puncture needle.
One end of the indwelling tube is conical, one end of the guide wire is conical, and the guide wire is inserted into the indwelling tube and abuts against the inner wall of one side of the indwelling tube.
The guide wire is made of transparent soft polyvinyl chloride plastic through injection molding and cutting, and the side wall of one side of the guide wire is in sliding connection with the inner wall of one side of the puncture needle.
Advantageous effects
1. The vein puncture needle with the guide wire can improve the success rate of vein catheterization, reduce the situations of limited catheterization caused by plaque and blood vessel bending, show the implementation of blood outflow situation and help to confirm the exact placement of the guide wire in the vein.
2. According to the invention, the design of the indwelling tube can reduce the blockage of the venous infusion caused by body position factors; the side mouth of the indwelling tube can continue to realize the intravenous infusion process when the main channel of the indwelling tube is blocked, so that the intravenous infusion and the pressure measurement are helped, the medical efficiency is improved, the waste of medical materials is reduced, and the stable realization of the medical safety is greatly helped.
Drawings
FIG. 1 is a front view of a new type of venipuncture needle with a guide wire according to the present invention;
FIG. 2 is a side view of a new intravenous puncture needle with a guide wire according to the present invention;
fig. 3 is a structural schematic diagram of an indwelling tube in the novel intravenous puncture needle with a guide wire provided by the invention.
Illustration of the drawings: 1. a guide wire; 2. an indwelling tube; 3. a side port; 4. puncturing needle; 5. a wire.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
The specific embodiment is as follows:
referring to fig. 1-3, a novel vein puncture needle with a guide wire comprises an indwelling tube 2, wherein two side openings 3 are arranged on one side wall of the indwelling tube 2, the side openings 3 extend to one side inner wall of a puncture needle 4, which is helpful for the completion of infusion under the condition that the main opening of the indwelling tube 2 is stuck to the wall of a blood vessel to block, one end of the indwelling tube 2 is conical, one end of the guide wire 1 is conical, the guide wire 1 is inserted into the indwelling tube 2 and is abutted against one side inner wall thereof, the puncture needle 4 is inserted into one side inner wall of the indwelling tube 2, one side inner wall of the indwelling tube 2 is fixedly connected with one side wall of the puncture needle 4, the guide wire 1 is inserted into the puncture needle 4, the guide wire 1 is made of transparent soft polyvinyl chloride plastic by injection molding and cutting, one side wall of the guide wire 1 is slidably connected with one side inner wall of the puncture needle 4, the outer diameter of, blood flows out from the hollow part in the guide wire 1, the outflow speed and the outflow process of the blood can be seen in real time outside the guide wire 1, the accuracy of the guide wire 1 placed in a vein is guaranteed, the puncture needle 4 enters the blood vessel, the blood flows in from the hollow structure of the guide wire 1, the flow process and the flow speed of the blood can be displayed in real time outside, great indication is provided for the real-time placement of the guide wire 1 into the vein, and the condition that the subcutaneous and the artery are not known during placement is prevented; when the conical end of the guide wire 1 is flush with the tail part of the indwelling tube 2, the guide wire 1 which is long enough and the length of the indwelling tube 2 is consistent is placed into the blood vessel, and the placement of the indwelling tube 2 is simple; the indwelling tube 2 is reinforced by the steel wire with the inner ring to realize structural stability, the side port 3 also ensures the smoothness of infusion, the vein puncture needle 4 with the guide wire 1 can improve the success rate of vein catheterization, reduces the restricted catheterization condition caused by plaque and vessel bending, displays the blood outflow condition, and helps to confirm the exact placement of the guide wire 1 in the vein.
The metal wire 5 is inserted into and fixedly connected with the inner wall of the indwelling tube 2, the metal wire 5 is spirally wound, the strength of the indwelling tube 2 is improved, the blockage of the infusion after the blood vessel is pressed due to body position factors is avoided, and the blockage of the venous infusion due to the body position factors can be reduced due to the design of the indwelling tube 2; keep somewhere pipe 2's side mouth 3 can continue to realize the intravenous infusion process when keeping somewhere pipe 2 main entrance obstructed, no matter all provide the help to intravenous infusion and pressure measurement, improve medical efficiency, reduce medical material's waste, realize providing very big help to medical safety's stability.
The working principle of the invention is as follows: the puncture needle 4 enters a blood vessel, blood flows in from the hollow structure of the guide wire 1 part, the flowing process and the flowing speed of the blood can be displayed outside in real time, great indication is provided for the real-time placement of the guide wire 1 into the vein, and the situation that the puncture needle is placed under the skin and the artery is unknown is prevented; when the conical end of the guide wire 1 is flush with the tail part of the indwelling tube 2, the guide wire 1 which is long enough and the length of the indwelling tube 2 is consistent is placed into the blood vessel, and the placement of the indwelling tube 2 is simple; the intravenous puncture needle 4 with the guide wire 1 can improve the success rate of intravenous catheterization, reduce the situation of catheterization limitation caused by plaque and vessel bending, implement and show the blood outflow situation, help to confirm the exact placement of the guide wire 1 in the vein, and reduce the blockage of intravenous infusion caused by body position factors due to the design of the indwelling tube 2; keep somewhere pipe 2's side mouth 3 can continue to realize the intravenous infusion process when keeping somewhere pipe 2 main entrance obstructed, no matter all provide the help to intravenous infusion and pressure measurement, improve medical efficiency, reduce medical material's waste, realize providing very big help to medical safety's stability.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.