KR100363426B1 - Injecting apparatus of a blood vessel position quantity - Google Patents

Abstract

The present invention detects / determinates the injection amount or speed of the infusion using micro process technology, precisely adjusts the injection amount or injection speed of the infusion injected to the patient by controlling the rotation of the motor, and determines the remaining amount when the infusion is dropped. It relates to an intravenous dosing device which automatically stops injection.

The present invention provides detection means for detecting an injection amount or a scanning speed of an infusion, an input means for inputting an injection amount or a scanning speed adjustment command, a motor driving means for controlling an injection amount or an injection speed of an infusion by driving a motor, and the detection. A microprocessor for controlling the motor driving means in accordance with an input of a means or the input means, and a predetermined amount of fluid and a scheduled amount of fluid for the user to check the state of the equipment by the control of the microprocessor, In the intravenous metered dose injection device comprising a display means for displaying the operating state of the equipment and a power supply means for supplying the operating power to the microprocessor and each part,

The motor driving means includes a main body having display means and input means formed on one side of an outer surface thereof; A movable part coupled to one side of the main body and mounting a supply tube for feeding the sap while sliding in the main body according to the rotation of the eccentric cam according to the rotation of the lever; An air bubble detecting sensor installed inside the bottom of the movable part for detecting an inflow of air through a supply tube; An injecting roller coupled to a rotating shaft of a motor installed inside the main body and rotating according to the driving of the motor and having a plurality of auxiliary rollers on a circumferential surface thereof; It is installed on the outer surface of the auxiliary roller is characterized in that the supply tube for supplying the fluid in accordance with the rotation of the injecting roller is made of an elastic piece to substantially adjust the injection amount and speed of the fluid by close or relaxed to the movable part of the main body.

Description

Injecting apparatus of a blood vessel position quantity}

The present invention relates to an intravenous injection device, and more particularly, the injection amount or injection rate of the fluid set by the medical person or the injector (hereinafter referred to as the "medical person") is called the subject (hereinafter referred to as "patient"). An intravenous metered dose injector for precisely injecting

Ringer solutions (generally all injectable liquid substances) commonly used in hospitals and other medical institutions are originally saline solutions, originally designed by S. Ringer for the physiological experiments of frog myocardium in 1882. One physiological saline solution has an ion composition, osmotic pressure, and pH (7.2), similar to body fluids. Ringer's initial prescriptions have since been changed by many researchers, and the prescriptions for each purpose are used depending on the purpose of the experiment. In addition, it is prescribed for anything other than the above-mentioned animals, and used as a substitute for body fluids in the clinic, and these are also called tierods, named after the designer, and sometimes referred to as sap.

In addition, this sap is a solution that has a composition similar to the extracellular fluid in body fluids, and is one of the surrogate blood, and the amount of extracellular fluid and the amount of extracellular fluid when symptoms such as massive bleeding, severe diarrhea, burns, and traumatic shock occur. Instillation is performed to replenish and calibrate the electrolyte. The formulation of the sap is made up to 1000 ml by adding 8.6 g of sodium chloride, 0.3 g of potassium chloride, and 0.33 g of calcium chloride with distilled water for injection. In recent years, better prescriptions have been used, such as lactic acid sap containing sodium lactate to prevent acidosis.

In the prior art for this purpose, in order to inject the sap to the patient, infusion to the patient through the connection hose while the ringer bottle containing the sap hanged on the top of the support on one side of the bed, as is well known While looking at the injection amount or the injection rate of the fluid with the eye, that is, while watching the drop rate of water drops by adjusting the injection amount control device attached to the supply tube to determine the injection amount of the infusion or its injection rate and the like.

However, such a conventional infusion dose control device is very passive and its function is determined by the intuitive or empirical judgment of the medical practitioner, so that the precise injection amount or injection rate may be determined by the skill or the individual. There was a problem that could not be determined. In addition, the remaining amount of the sap should be checked from time to time, for this purpose a very uncomfortable problem occurred that is necessary.

The present invention has been made to solve the above-mentioned problems of the prior art, the object of which is to detect and determine the injection amount or speed of the infusion using the micro-process technology, the infusion to the patient by controlling the rotation of the motor To precisely control the injection amount or the injection rate of, and to determine the remaining amount to provide an intravenous dose injection device to automatically stop the injection when the fluid drops.

Another object of the present invention is to rotate the diameter of the supply tube for supplying the sap by the drive of the motor, and the main body through an injecting roller having a plurality of auxiliary rollers on the circumferential surface and an elastic piece installed on the outer surface of the auxiliary rollers; The present invention provides an intravenous metered dose injector that can easily and easily control the infusion of fluid according to a patient's condition by adjusting the amount or speed of the adjustment fluid to be in close contact or relaxation.

1 is a perspective view of an intravenous dose injection device according to the present invention.

Figure 2 is a control block diagram of the intravenous dose injection device according to the invention.

3 is an enlarged view of an input means and a display means according to the present invention;

Figure 4 is an exploded perspective view of the motor drive means according to the invention.

Figure 5 is an operating state showing the operation of the motor drive means according to the invention.

Figure 6 is a cross-sectional view showing the inflow detection of air bubbles through the supply tube in the movable portion of the motor drive means according to the invention.

<Description of the symbols for the main parts of the drawings>

10 main body 11 supply tube

100: microprocessor 200: display means

210: VFD 220: Battery LED

230: DC LED 300: input means

310, 330: increase key 320, 340: decrease key

350: Mode key 360: Start / Stop key

400: motor driving means 410: motor

411: injecting roller 412: auxiliary roller

413: elastic piece 414: movable part

S; Air Bubble Detection Sensor 415: Lever

416: eccentric cam 500: power supply means

510: DC power supply 520: rechargeable battery

600: detection means 700: communication means

Features of the present invention for achieving the above object,

Detection means for detecting the injection amount or the scanning speed of the infusion, input means for inputting the injection amount or the scanning speed adjustment command, motor driving means for controlling the injection amount or the scanning speed of the infusion by driving a motor, the detection means or the A microprocessor for controlling the motor driving means according to an input of an input means, and a user's input result and operation of the equipment, together with an estimated amount of fluid and a scheduled amount of fluid so that the user can check the state of the equipment under the control of the microprocessor. In the intravenous metered dose injection device comprising a display means for displaying a status and a power supply means for supplying operating power to the microprocessor and the respective parts, The motor driving means is the main body and the display means and the input means is formed on one side of the outer surface; ; A movable part coupled to one side of the main body and mounting a supply tube for feeding the sap while sliding in the main body according to the rotation of the eccentric cam according to the rotation of the lever; An air bubble detecting sensor installed inside the bottom of the movable part for detecting an inflow of air through a supply tube; An injecting roller coupled to a rotating shaft of a motor installed inside the main body and rotating according to the driving of the motor and having a plurality of auxiliary rollers on a circumferential surface thereof; It is installed on the outer surface of the auxiliary roller is made of an elastic piece that substantially adjusts the injection amount and speed of the fluid by making the supply tube for supplying the fluid in accordance with the rotation of the injecting roller in close contact or relaxation to the movable part of the main body.

In other words, by detecting / determining the injection amount or speed of the infusion using the micro process technology and controlling the rotation of the motor, it is possible to accurately adjust the injection amount or injection speed of the infusion injected to the patient. In addition, it is possible to stop the injection automatically when the amount of fluid is dropped by judging the remaining amount, it is possible to inject a certain amount of fluid to the patient.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an intravenous dose injection device according to the present invention,

2 is a control block diagram of an intravenous dose injection device according to the present invention,

3 is an enlarged view of an input means and a display means according to the present invention;

4 is an exploded perspective view of the motor driving means according to the present invention;

5 is an operating state diagram showing the operation of the motor driving means according to the present invention,

Figure 6 is a cross-sectional view showing the inflow detection of air bubbles through the supply tube in the movable portion of the motor driving means according to the present invention.

Intravenous injection dosage device according to the present invention is as shown in Figures 1 to 6, when looking at the front of the main body 10, the user checks the state of the equipment and the user's input results and the operation and state of the present invention The display means 200 for displaying a, and the input means 300 for adjusting the amount of infusion or scanning speed is formed.

The display means (200) is VFD (210) for displaying the expected amount of the fluid and the estimated time of the fluid so that the user can check the state of the equipment; A battery LED 220 which is turned on when the power supply is supplied through the battery 520; When the power supply is supplied through the DC power supply 510 is composed of a DC LED (230) that is turned on.

The input means 300 is a part for adjusting the equipment so that the user can use, the increase key 310, 330 to increase in 1 unit and 10 units in order to adjust the infusion flow rate above a predetermined unit, and the infusion flow rate predetermined It is composed of a reduction key 320, 340, a mode key 350, a start / stop key 360 to decrease by 1 unit and 10 units to adjust the unit down.

The one-unit increase key 310 adjusts the sap flow rate up one unit, the ten-unit increase key 330 adjusts the sap flow rate up ten units, and the one-unit decrease key 320 adjusts the sap flow rate to one unit. Adjusting down, the 10-unit reduction key 340 adjusts the infusion flow rate below 10 units.

In addition, the mode key 350 has a function of displaying the estimated amount of the infusion and the estimated duration of the infusion in the VFD 210 when pressed once in the infusion stop state, and enters the setup mode when pressed for one second. , The scheduled time to set up the fluid, and the fluid flow rate unit (DROP / ml) to set the function, the infusion injection state when the mode key (350) is pressed once, the infusion injection to start the current infusion solution And the sap time is displayed. In the mode key 350, the sap amount and the sap time display are continued for 1 second, and when the mode key 350 is pressed again during the sap amount and sap time display, the remaining sap amount and the remaining sap time are displayed.

In addition, the start / stop key 360 is a key having a role of determining an expected amount of an infusion, an expected amount of an infusion, and an amount of an infusion flow rate in a setup mode, and an infusion injection start function. The start / stop key 360 is in an infusion injection state. When pressed, it is preferable that the toggle key has an infusion stop function.

In addition, the motor driving means 400 has a main body 10, the display means 200 and the input means 300 is formed on one side of the outer surface, the rotary shaft 410 of the motor 410 is installed in the main body 10 ') Coupled to the rotation of the motor 410 in accordance with the drive, the injection roller 411 having a plurality of auxiliary rollers 412 on the circumferential surface, and an elastic piece installed on the outer surface of the auxiliary rollers (412) ( 413 and a movable part 414 coupled to one side of the main body 10 and sliding in the main body 10 in accordance with the rotation of the eccentric cam 416 according to the rotation of the lever 415; It is installed inside the lower end of the movable part 414 consists of an air bubble detection sensor (S) for detecting the inflow of air through the supply tube 11, a plurality of auxiliary rollers on the circumferential surface (driven by the motor 410) The injecting roller 411 having a 412 is rotated on the rotating shaft 410 'of the motor 410 and the supply tube 11 for supplying the fluid through the auxiliary roller 412 and the elastic piece 413 is movable ( 414) close or relaxed to substantially control the injection amount or speed of the fluid.

In addition, the power supply means 500 is composed of a DC power supply 510 for supplying external power and an internal rechargeable battery 520 used when no external power is supplied.

In addition, the microprocessor 100 is further provided with a communication means 700 to manage / control the remote computer.

As other components, although not illustrated in the drawings, the power switch serves to turn on / off the equipment, the external connection terminal for supplying power to the equipment, and the sap set to support and fix the set of fluid to the equipment. The sap injection fixture and the stand holder is further provided, such components are naturally added in the embodiment of the present invention as a detailed description thereof will be omitted here.

Looking at the action of the semen control device of the intravenous injection according to the invention of such a configuration, first, as a preparation before use, the intravenous semen control device is operated using electricity, so whether the power switch is turned off before DC power input If it is on, adjust it to the off state.

In addition, before inputting power to the DC power supply 510, check that the power supply rating is 50㎐ or 60㎐ between 85-240V, connect the cord, and then apply DC voltage 12V from the DC power supply 510. Connect to the equipment.

At this time, the power supply from the external power source is 110 to 220V and the output is using a DC power supply 510 of DC 12V, in this state the DC LED 230 of the display means 200 is turned on in green, When no external power is supplied, the internal rechargeable battery 520 is used, and at this time, the battery LED 220 is turned yellow.

In addition, since the ground terminal is connected to the ground of the DC power supply 510, check whether the ground terminal is connected to the ground of the building.

In the state in which the operation preparation is completed as described above, first, the set of infusion is attached to the patient's body, and the infusion drop container is mounted on the body 10, and then the supply tube 11 for supplying the fluid to the patient is the body 10. When the lever 415 coupled to one side of the main body 10 is rotated with one touch to one side for mounting on the eccentric cam, the eccentric cam 416 installed coaxially with the lever 415 is rotated according to the rotation of the lever 415. While rotating, the movable part 414 is slid from the main body 10 to one side to be spaced apart from the main body 10, and in this state, the main body 10 and the movable part 414 provide a supply tube 11 for supplying the sap. In other words, it is positioned on one side of the elastic piece 413 installed on the outer surface of the auxiliary roller 412.

When the supply tube 11 is positioned between the main body 10 and the movable portion 414 by the above operation, the lever 415 is rotated one-touch to the other side to move the movable portion 414 in close contact with the main body 10 to induce fluid The supply tube 11 for supplying to the main body 10 is mounted.

Then, when the DC power on / off switch is operated after connecting the DC power supply, the fluid flow rate that was previously set in the first VFD 210 is displayed.

Subsequently, the sap flow rate is adjusted using the increase keys 310 and 330 and the decrease keys 320 and 340, and then the mode key 350 is used to enter the setup mode. In the setup mode, select a predetermined amount of fluid and a unit of fluid flow rate, and then start the sap injection using the start / stop key 360, and use the mode key 350 to display the fluid amount and the injection time. If so, the microprocessor 100 controls the motor driving means 400 and the motor 410 according to the set state as described above to adjust the injection amount or injection speed injected to the patient.

As such, the microprocessor 100 controls the motor driving means 400 and the motor 410 according to the state set as the input means 300, in which the amount of the fluid supplied to the patient through the supply tube 11 In a few or more cases, when the 1-unit increase key 310 or 10-unit increase key 330 or 1-unit decrease key 320 or 10-unit decrease key 340 is pressed, the motor 410 of the motor driving means 400 is pressed. ) Is driven to rotate the injecting roller 411, and thus the auxiliary roller 412 installed on the circumferential surface of the injecting roller 411 rotates to contact the feed tube 11 at one side of the injecting roller 411. The elastic piece 413 in close contact with or relaxed to adjust the amount and speed of the fluid passing through the supply tube (11).

At this time, the elastic piece 413 is installed on one side of the auxiliary roller 412 to adjust the amount and speed of the fluid by closely contacting or relaxing the supply tube 11, the amount of fluid passing through the supply tube () or speed control, of course, the motor It also serves to prevent the feed tube 11 for supplying sap during rotation of the injecting roller 411 and the auxiliary roller 412 according to the driving of the 410 to be rolled into the rotating auxiliary roller 412. do.

In addition, air is introduced into the supply tube 11 for supplying the fluid during the administration of the sap to the patient through the supply tube 11 to the patient. Thus, a fatal situation occurs in the patient. The air bubble detection sensor S installed detects air bubbles in the supply tube 11 and sends an error message to the VFD 210 of the display means 200, while the microprocessor 100 moves the movable portion 414 to the main body. Controlling to close to the (10) to block the fluid supply of the supply tube 11 mounted between the main body 10 and the movable portion 414, by stopping the flow of fluid to the patient through the supply tube 11 It is possible to prevent air from entering the patient.

In addition, the output of the signal measured by the detection means 600 is displayed by the VFD 210, which is controlled by the microprocessor 100, so that the user can recognize the exact amount or injection rate to be injected into the patient. Meanwhile, when an alarm occurs, the motor is driven to stop the sap injection, and a warning message is displayed. In addition, if you want to end the sap using the start / stop key 360 to stop the sap injection.

In addition, since the present invention plays an important role in human life, it is preferable to have the following safety devices in actual use. Use a power fuse to prevent damage to the equipment caused by overload. The patient mounting part withstands the withstand voltage of 4000V with any circuit connected to the power supply, and limits the patient leakage current to 0.1㎃ or less during normal operation. In addition, when the present invention is actually produced looking at its preferred performance and specifications as follows.

1) Rated power: DC power (12V) or internal power

2) Rated frequency: 50/60 상용 for commercial power or DC for internal power,

3) Power Consumption: 15VA (Max 20VA)

4) Sap injection speed range: 5 Drop / min to 50 Drop / min, 20 ml / hour to 200ml / hour

5) Sap injection speed control: In case of Drop Unit: 1Drop / min,

In case of ml Unit: 1ml / hour

6) Rechargeable Battery: 1.2V 4 / 3A 4

7) Continuous use time: 24 hours

8) Alarm system operation: engagement, air intake, low voltage, door open, scan completed

In addition, the present invention is a communication means 700 to manage / control the microprocessor 100 from a remote computer, more specifically communication means for centralizing multiple devices using RF communication Further provided with 700, it is convenient to inject the sap to a plurality of patients remotely with a small number of people and manage the condition very efficiently, and also sap including all the sap including blood injection as well as intravenous injection. Injection is possible.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.

As described above, according to the present invention, the microprocessor technology is used for detecting / determining the injection amount or speed of the fluid, and controlling the rotation of the motor to precisely adjust the injection amount or injection speed of the fluid injected to the patient, The remaining amount is judged to stop the injection automatically when the fluid is dropped, the diameter of the supply tube for supplying the fluid is rotated by the drive of the motor, the injection roller having a plurality of auxiliary rollers on the circumferential surface and the outer surface of the auxiliary roller It is easy and easy to control the fluid supply according to the patient's condition by adjusting the injection amount or speed of the fluid to adjust to close or relaxed contact with the body through the elastic piece to be installed.

Claims (10)

A detection means 600 for detecting the injection amount or the injection speed of the infusion, an input means 300 for inputting the injection amount or the injection speed adjustment command, and a motor for controlling the injection amount or the injection speed of the infusion by driving the motor 410. Microprocessor 100 for controlling the motor driving means 400 in accordance with the driving means 400, the detection means 600 or the input means 300, and the control of the microprocessor 100 The display means 200 for displaying the user's input result and the operation status of the equipment, and the microprocessor 100 and the operating power to each part so that the user can check the state of the equipment In the intravenous dose injection device, characterized in that consisting of a power supply means for supplying 500, The motor driving means 400 includes a main body 10 having a display means 200 and an input means 300 on one side of an outer surface thereof; Movable part 414 is coupled to one side of the main body 10 and mounted to the supply tube 11 for feeding the fluid while sliding in the main body 10 according to the rotation of the eccentric cam 416 according to the rotation of the lever 415 Wow; An air bubble detecting sensor S installed inside the bottom of the movable part 414 to detect inflow of air through the supply tube 11; An injection roller 411 coupled to a rotation shaft 410 ′ of the motor 410 installed inside the main body 10 and rotating according to the driving of the motor 410 and having a plurality of auxiliary rollers 412 on the circumferential surface thereof; ; The injection amount of the fluid is installed on the outer surface of the auxiliary roller 412 and the supply tube 11 for supplying the fluid according to the rotation of the injecting roller 12 is in close contact with or relaxed to the movable part 414 on one side of the main body 10. And an elastic piece 413 which substantially adjusts the speed. delete The method according to claim 1, wherein the input means (300) includes an increasing key (310) (330) for adjusting the fluid flow rate up a predetermined unit; Reduction keys 320 and 340 for adjusting the fluid flow rate below a predetermined unit; The function of displaying the estimated amount of fluid and the estimated amount of fluid on the VFD 210 when it is pressed once in the stop of infusion, and if it is pressed for 1 second, it enters the setup mode and the estimated amount of fluid, the estimated amount of fluid, and the flow rate unit (DROP) / ml) to set the mode key 350; And a start / stop key (360) having a function of determining an expected fluid infusion, a fluid scheduled time, and a fluid flow unit in a setup mode and a fluid injection start function. The intravenous metered dose injection device according to claim 3, wherein the mode key 350 displays the amount of fluid and the amount of fluid until the current fluid is in operation when it is pressed once in the fluid injection state. . The method of claim 3, wherein the mode key 350 displays the infusion amount and the infusion time for one second and displays the remaining infusion amount and the remaining infusion time when the mode key 350 is pressed again during the infusion amount and infusion time display. Intravenous injection metering device. The intravenous dose injection device according to claim 3, wherein the start / stop key (360) is a toggle key having an infusion injection stop function when pressed in the infusion injection state. delete delete delete delete