KR101589982B1

KR101589982B1 - Interchangeable sap quantitative injector

Info

Publication number: KR101589982B1
Application number: KR1020150069463A
Authority: KR
Inventors: 최아연
Original assignee: 주식회사 헤즈테크놀로지
Priority date: 2015-05-19
Filing date: 2015-05-19
Publication date: 2016-02-01

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an interchangeable liquid immersion injector, and more particularly to a novel concept of injecting a liquid in a fixed amount even in the case of unskilled persons by a simple method of selectively using a dosing nozzle.
Conventionally, the liquid dispenser has a high performance due to the incorporation of electronic technology, but it is difficult to mass-supply it because of its high price. Especially in case of a medical industry or a patient at home who is in a difficult position, A low-cost liquid quantitative injector capable of accurately injecting a predetermined amount of liquid is required.
In view of such circumstances, the present invention is characterized in that a standardized dosing nozzle having a different amount of injected liquid per unit time is selected as necessary, and the dosing nozzle is connected between the connecting hub and the needle hub, And a technique for injecting the infusion liquid in a fixed amount is proposed.

Description

[0001] Interchangeable sap quantitative injector [0002]

The present invention relates to a novel concept of injecting a liquid in a fixed amount even in the case of unskilled persons by a simple method of selectively using a dosing nozzle of the present invention.

In general, a liquid infusion set in which a liquid such as an analgesic agent or a nutrient is directly injected into a vein is formed in the upper part of a liquid withdrawal tube in which a liquid infusion tube storing liquid is inserted and connected to a connection tube formed in the lower part, A lower portion of the drip tray is connected to a liquid pipe, a liquid controller for controlling the infusion rate of the liquid is installed in the liquid pipe, and a needle is attached to the distal end of the liquid pipe .

In order to inject the liquid into the human body using the liquid infusion set, the needle is inserted into the vein of the human body, and the fluid controller adjusts the velocity of the droplet falling into the dropper.

However, it is difficult for a person to directly measure the velocity of droplets falling into the dropper, and accordingly, methods and apparatuses for measuring the velocity have been developed.

As a typical method of measuring the velocity of the droplet, there is provided an optical sensor having a light emitting portion and a light receiving portion, and a path for dropping droplets of the droplet is positioned between the light emitting portion and the light receiving portion. And the falling velocity of the liquid droplet is detected by using the fact that the light intensity is weakly detected in the light receiving portion.

As a typical prior art relating to this, "Patent Registration No. 1512310, name / fully automatic infusion fluid precision injector" which is a pre-registered invention of the applicant of the present invention has been proposed.

The prior art is characterized in that a series of processes for precisely measuring the infusion rate of the infusion fluid and precisely controlling the infusion amount of the infusion fluid using the measured values are fully realized.

However, the prior art described above has a high performance due to the integration of electronic technology. However, it is difficult to supply a large amount because of its high price. Especially, in case of a medical industry or a patient at home who is in a difficult position, A low-cost liquid-dosing device capable of injecting a liquid is required.

In order to solve the above-mentioned problems, the present invention provides a method of measuring the amount of a liquid injected per unit time by selecting a standardized dosing nozzle according to need, and then connecting a connection port at the tip of the liquid pipe and the dosing nozzle And a technique for injecting the required amount of sap in a fixed amount is proposed.

According to the present invention, it is possible to quickly and simply dispense the liquid into the patient's well in a non-skilled medical practitioner or at-home patient by using a liquid quantity dispensing nozzle suitable for the required amount of infusion liquid, It also has the effect of drastically reducing labor and medical expenses.

In addition, the dosing nozzle of the metering injector can be injected with a constant amount of fluid by a simple method of replacing the metering injecting nozzle without additional hassle of adjusting the injection amount of the fluid by accurately standardizing the injection amount per unit time.

In addition, the present invention provides a very simple structure of a liquid metering injector and an injection molding method, thereby significantly reducing cost and providing a large-scale supply at low cost.

1 is an exploded perspective view of a liquid analyzer injected with the present invention;
2 is a front view of the connection state of the dosing nozzle and the needle hub of the present invention
Figs. 3 to 4 are front sectional views of a dosing nozzle having a liquid flow path of another specification of the present invention
5 is a cross-sectional view of the needle hub fastening piece
6 is a sectional view taken along the line AA in Fig. 5
7 is a sectional view taken along line BB of Fig. 5
8 is a bottom view showing a state in which a needle hub is engaged with a needle hub binding piece of the present invention

Preferred embodiments of the present invention will now be described in more detail with reference to the accompanying drawings.

The overall structure of the apparatus according to the preferred embodiment of the present invention will be schematically described with reference to the accompanying drawings. It can be confirmed that the components are constituted by the components of the dosing nozzle 100 and the needle hub 200.

Hereinafter, the present invention having the above-described schematic configuration will be described in more detail for facilitating the implementation.

The dosing nozzle 100 according to the present invention is connected between the liquid-receiving tube 5 and the needle hub 200 to inject a liquid with a predetermined amount into a standard amount. And a standardized liquid flow path 102 having a different diameter for each of the dosing injection nozzles 100 is formed at the lower end of the liquid input port 101 so as to penetrate through the upper and lower portions of the liquid injection port 101 And a coupling protrusion 103, which is inserted into and connected to the needle hub 200, is integrally formed at a lower portion thereof.

Here, the liquid flow path 102 is a core technology of the present invention and is formed to have a different diameter for each of the dosing injection nozzles 100 (100a) as shown in FIG. 3 to FIG. 4, so that the passing liquid of the liquid varies depending on the cross- Each of the injection nozzles 100 (100a) is manufactured as a separately standardized single product having a different injection amount per unit time.

In other words, the liquid-flow path 102 formed in the dosing nozzle 100 has a uniform cross-sectional area of different diameters in the manufacturing process, so that the injection amount of the liquid is regularized so that the dosing nozzle 100 can be replaced It is possible to inject the liquid in a predetermined amount according to the predetermined injection amount.

The connection port 5a integrally coupled to the liquid pipe 5 connected to the lower end of the drip tray 4 is inserted and connected to the connection port 5a and the needle hub 200 It is possible to inject a necessary amount of infusion liquid in a very simple manner by selecting any one of the plurality of dosing nozzles 100 and 100a having different injection amounts per unit time,

Therefore, the present invention provides a special effect that not only prevents medical accidents but also drastically reduces labor costs and medical expenses by injecting a very large amount of fluid in accordance with a doctor's prescription very quickly and easily even for an inexperienced medical worker or a home-based patient do.

In addition, the liquid inlet 101 is formed in the shape of a reducer having a wider sectional area as it goes down, so that a connection port 5a to be inserted into the liquid inlet 101 can be press- The needle hub 200 is press-fitted into the needle hub 200 to prevent leakage of the liquid.

In addition, flexible grip 105, which is flexible and easy to fold, is further integrated on both sides of the outer circumferential surface of the injection nozzle 100, so that the grip 105 for gripping can be pinched and replaced, And ease of replacement work.

The needle hub 200 is attached to the lower portion of the needle hub 200 and the connecting protrusion 103 of the dosing nozzle 100 is inserted into the upper portion of the needle hub 200 to connect the dosing nozzle 100 and the needle hub 200 So that they can be connected to each other.

In the meantime, the present invention is not limited to maintaining the coupling force while the coupling protrusion 103 is inserted into the needle hub 200, and the coupling hub 100 and the needle hub 200 are more tightly coupled to each other And a new concept technology is added to prevent misjudgment during use.

1 and 5 to 7, a rectangular needle hub coupling piece 110 is integrally formed on the outer peripheral surface of the metering injection nozzle 100 so as to be adjacent to the coupling protrusion 103 And a flange rotation recessed portion 111 for providing a rotation space in which the rotation flange 210 formed on the needle hub 200 can rotate is formed on the bottom surface of the needle hub coupling piece 110 on both sides.

A pair of coupling grooves 112 and 113, which are opened on only one side and opposed to each other, are formed in the opposite inner surfaces of the flange rotation concave portions 111, The binding wings 212 and 213 enter the binding grooves 112 and 113 from opposite directions and are inserted into the flange rotational recess 111 in the upper peripheral surface of the upper portion of the needle hub 200, And the rotary flange 210 integrally protrudes from the rotary flange 210. Both ends of the rotary flange 210 are rotatably coupled to the outer surface of the rotary flange 210 through the openings of the binding grooves 112 and 113 when the needle hub 200 is rotated, A pair of binding vanes 212 and 213 are integrally protruded to be inserted into the grooves 112 and 113.

The flange rotation recessed portion 111 is inserted into the rotation flange 210 so that the coupling wings 212 and 213 do not collide with the needle hub coupling piece 110 as shown in FIG. The binding wings 212 and 213 are rotated and moved to be inserted into the binding grooves 112 and 113 to maintain a strong binding force do.

At this time, the pair of coupling grooves 112 and 113 and the coupling blades 212 and 213 may be formed in a horizontal plane. However, as shown in FIGS. 1 and 5 to 7, any one of the coupling grooves 112, The other wing 211 and the other wing 212 are inclined while the other wing 212 and the binding wing 213 are inclined upward from the other side so that the binding wings 212 and 213 are inclined with respect to each other 112) 113 while maintaining an excellent binding force such as a spiral coupling.

That is, the inclined binding grooves 112 and 113 and the binding vanes 212 and 213 have a structure in which the spirals are spread in a straight line, so that they exhibit binding force such as mutual helix binding, .

3: fluid withdrawal tube 4:
5: fluid tube 5a: connector
100, 100a: Quantitative injection nozzle 101: liquid inlet
102: liquid flow pathway 103: connecting projection
105: Holding handle 110: Needle hub connecting piece
111: flange turning recessed portion 112, 113:
200: Needle hub 210: Rotating flange
201: needles 212, 213: binding wing

Claims

A standardized liquid flow path 102 having different diameters is formed in the lower end of the liquid input port 101 so as to pass through the upper and lower ends of the liquid input port 101, A metering injection nozzle 100 connected to the needle hub 200;
A needle hub 200 having the connecting protrusion 103 fitted thereon and the needle 201 mounted on the lower portion thereof;
The amount of the liquid passing through the liquid passage 102 varies according to the cross-sectional area of the diameter of the liquid passage 102, so that the dosing nozzle 100 is formed as a separately standardized single unit having a different injection amount per unit time;
A connection port 5a integrally coupled to the liquid pipe 5 connected to the lower end of the pointed barrel 4 is inserted and connected to the liquid inlet port 101. The connection port 5a and the needle hub 200 are provided with a unit Selecting one of a plurality of dosing nozzles 100 having different amounts of injected liquid per hour, replacing them with each other, injecting a required amount of liquid with a predetermined amount;
The cross-sectional area of the liquid injection port 101 is increased as it goes downward, and the connection protrusion 103 is formed in the form of a reducer having a smaller cross-sectional area as it goes downward;
On both sides of the outer circumferential surface of the metering injection nozzle 100, a flexible gripping handle 105 capable of gripping is integrally formed;
A needle hub coupling piece 110 is integrally formed on an outer circumferential surface of the metering injection nozzle 100 so as to be adjacent to the coupling protrusion 103 and a needle hub coupling piece 110 is integrally formed on the bottom surface of the needle hub coupling piece 110, A flange rotation recessed portion 111 for providing a rotation space in which the formed rotation flange 210 is rotatable is opened to both sides and an inner surface of the flange rotation recessed portion 111, A pair of coupling grooves 112 and 113 are recessed and a rotation flange 210 is integrally formed on the outer peripheral surface of the upper end of the needle hub 200 to rotate in a state of being inserted into the flange rotation concave portion 111 And both sides of the outer surface of the rotary flange 210 are rotatably inserted into the coupling grooves 112 and 113 while being rotated through the openings of the coupling grooves 112 and 113 when the needle hub 200 is rotated The pair of binding wings 212 and 213 are integrally protruded;
The binding groove 112 and the binding vane 212 of either one of the pair of binding grooves 112 and 113 and the binding vanes 212 and 213 are formed so as to be inclined upwardly from one side, The grooves 113 and the binding wings 213 are inclined upwardly from the other side so that the binding wings 212 and 213 move upward simultaneously along the inclined binding grooves 112 and 113, Of the liquid sample.

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