KR101512310B1 - Auto fluid detailed infuser - Google Patents

Auto fluid detailed infuser Download PDF

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Publication number
KR101512310B1
KR101512310B1 KR1020140088628A KR20140088628A KR101512310B1 KR 101512310 B1 KR101512310 B1 KR 101512310B1 KR 1020140088628 A KR1020140088628 A KR 1020140088628A KR 20140088628 A KR20140088628 A KR 20140088628A KR 101512310 B1 KR101512310 B1 KR 101512310B1
Authority
KR
South Korea
Prior art keywords
fluid
liquid
compression holder
insertion portion
tube
Prior art date
Application number
KR1020140088628A
Other languages
Korean (ko)
Inventor
김상모
최아연
Original Assignee
주식회사 헤즈테크놀로지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 헤즈테크놀로지 filed Critical 주식회사 헤즈테크놀로지
Priority to KR1020140088628A priority Critical patent/KR101512310B1/en
Application granted granted Critical
Publication of KR101512310B1 publication Critical patent/KR101512310B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • A61M5/16881—Regulating valves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
    • A61M5/1689—Drip counters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M2005/14208—Pressure infusion, e.g. using pumps with a programmable infusion control system, characterised by the infusion program
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate

Abstract

The present invention relates to a full automatic fine fluid injector for IV therapy. In particular, the invention concerns new technology that enables the injector to automatically measure the injection rate precisely and control with precision actual injection amount based on the measurement. The existing injector can only measure the injection rate of fluid, and with no capability to automatically adjust actual injection amount based on the measurement. The user has to adjust the amount manually, undermining the ease-of-use and precision. The lack of precision may cause a possible medical malpractice. To address the issues, the invention places the upper plate of a fluid injection set to the main body of an injector. A drop sensor is taken advantage of to measure the number of drops and the injection rate. According to the measurement, a ball attached to a pump head that runs up and down compresses a fluid tube that runs through a fluid tube compression holder, resulting in fluid movement. That enables the precise measurement of injected amount of fluid.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002]

The present invention relates to a new concept of fully realizing a series of processes for precisely measuring infusion rate of infusion fluid and precisely controlling infusion amount of infusion fluid using the measured infusion rate.

In general, a liquid infusion set S for directly injecting a liquid such as an analgesic agent or a nutrient into a vein is formed by inserting the liquid infusion bag 1 through the infusion bag 1a into the connection tube 2 formed at the bottom as shown in FIG. A liquid outlet pipe 3 connected to the liquid outlet pipe 3 is formed on the upper part of the liquid outlet pipe 3 and a drop outlet 4 for dropping the liquid solution in a drop form is formed in the lower part of the liquid outlet pipe 3, An upper plate 5 protruding in the circumferential side surface is formed on the lower side of the drop tube 4 while the lower side of the drop tube 4 is connected to the liquid tube 6, And a needle (8) is mounted on the distal end of the liquid tube (6).

In order to inject the liquid into the human body by using the liquid infusion set S, the injection needle 8 is inserted into the vein of the human body, and the liquid controller 7 is adjusted to adjust the velocity of the liquid drop .

However, it is difficult for a person to directly measure the velocity of the droplets falling into the dropping tank 4, 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.

A representative prior art related to this is proposed in Patent Registration No. 1398255 entitled " Apparatus for measuring infusion rate directly connected to the name / infusion set ".

The prior art can be readily used by connecting directly to the sap infusion set while ensuring proper detection of the optical sensor without any modification of the sap infusion set commonly available in the market, There is a characteristic that it can cope with this easily.

However, since the prior art is used only for measuring the infusion rate of the fluid, it is necessary to manually operate the fluid controller 7 to adjust the infusion amount of the infusion fluid in accordance with the measured value even if the infusion rate is accurately measured. The conventional irrationality in which the accuracy is lowered is still followed.

Therefore, it is necessary to apply the infusion amount differently depending on the age of the patient, the patient's condition, the condition of the patient, the type of the infusion solution, the capacity of the infusion solution, etc. However, the manual infusion using the infusion- , Which causes a problem of medical accidents.

In order to positively solve all the problems of the prior art described above, the present invention is a method for measuring the drop number and the infusion rate of a sap using a drop sensor after fitting an upper plate of a infusion set into a syringe body , The pressure ball attached to the pump head which reciprocates up and down using the above measured values generates a flow of the liquid while compressing the liquid pipe passing through the liquid pipe compression holder so that the injection amount can be precisely controlled. The problem is solved.

It is another object of the present invention to provide a sensor for detecting the amount of fluid in the dispenser using a sensor for detecting the amount of fluid installed in the injector body.

In order to solve the above-mentioned problems, the present invention provides a dental implant insertion device comprising: a dental implant insertion portion formed on one side of a body of the injector body and having an upper plate mounting groove opened frontward and rearward; A step motor is installed in a motor inserting portion formed on an inner rear surface of the injector main body and a step motor is provided in an upper portion of the motor inserting portion, And a pressure ball attached to a distal end of the pump head is connected to the inner surface of the fluid tube compression holder by coupling the swinging pump head and connecting the fluid tube compression holder to the fluid tube channel in the same line as the pump head, A technique for intermittently compressing a fluid tube passing through a formed fluid channel is also proposed.

According to the present invention, it is possible to precisely measure the drop number and the infusion rate of the infusion solution by simply putting the top plate of the infusion set into the infusion precision injector, and precisely infuse the infusion solution by controlling the injection amount of the infusion solution by using the measured value Provides a possible effect.

In addition, since the series of processes for measuring the number of drops and the infusion rate of the above-mentioned fluid and controlling the final injection amount are fully realized, it is very convenient to use, and the accuracy is enhanced. Thereby preventing the occurrence of a medical accident caused by the medical treatment.

In addition, the present invention provides an effect of preventing the backflow of blood to the fluid tube by automatically locking the fluid tube when the amount of fluid is small, after confirming whether the fluid in the point bottle is maintained in an appropriate amount by using the fluid sensor .

FIG. 1 is a front view of a fluid-liquid injector to which the present invention is applied
2 is a side view of the liquid immersion injector of the present invention
Fig. 3 is a plan view of the liquid-
Fig. 4 is a front view of a state in which the front body of the present invention is removed; Fig.
5 is a plan view of the step motor, the pump head, and the suction tube compression holder according to the present invention,
FIG. 6 is a side view of a state in which a drip tray is mounted on the liquid-
FIG. 7 is a plan view of the installation state of the drop sensor and the liquid sensor of the present invention
8 is a front view of a state in which a point bottle is mounted on the fluid-liquid precision injector of the present invention
9 is a front sectional view of the pressure bowl of the present invention in a state in which the fluid tube is compressed;
Fig. 10 is a front sectional view of the pressure ball of the present invention,
11 is an example of a conventional infusion set

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

A drop sensor 20, a step motor 30, a pump head 40, a liquid tube compression holder (not shown), and the like. [0030] In the present invention, 50).

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

The injector main body 10 of the present invention is formed in a rectangular shape and is formed with a lower dropper insertion portion 11 which is open at the upper side of the upper side thereof and is formed at the upper side of the dropper insertion portion 11, S, respectively, and the liquid pipe passages 13 are formed in a continuous manner at the lower end of the drop pipe insertion portion 11. As shown in FIG.

The injector main body 10 is divided into a pair of front bodies 14 and rear bodies 15 that can be assembled and the inner surface of the front body 14 and the inner surface of the rear body 15 are provided with four corner portions And the engaging protrusions 14a and 15a are formed adjacent to the rear body 15 so that the engaging protrusions 14a and 15a are screwed to each other through the fastener at the rear body 15 side, And a display window 16 is installed on a front surface of the front body 14.

A drop sensor 20 for measuring the number of drops and the injection rate of the liquid is provided in the dropper inserting section 11. The drop sensor 20 comprises a light receiving section 21 and a light emitting section 22 The light receiving portion 21 and the light emitting portion 22 are respectively inserted into the sensor holes 17 which are formed so as to face each other before and after the inner peripheral surface of the drop container insertion portion 11 as shown in FIG.

6 to 8, the upper plate 5 formed on the upper portion of the spotted cylinder 4 is inserted into the upper plate 5 in the state of inserting the dotted cylinder 4 of the infusion set S into the lowered portion insertion portion 11, The drop sensor 20 constituted by the light receiving portion 21 and the light emitting portion 22 can be prevented from dropping from the liquid infusion bag 1 to the drop infusion bag 1a into the drop container 4 The control unit detects an infusion rate, converts the infusion rate into an electrical signal, and transmits the electrical signal to the control unit. The control unit displays the number of drops and the infusion rate of the infusion liquid through the display window 16.

The motor inserting portion 18 is integrally formed on the inner rear surface of the injector main body 10, that is, the inner surface of the rear body 15. The motor inserting portion 18 is provided with a step motor 30 Is installed.

A pump head 40 is fitted to the motor shaft 31 of the step motor 30 and a pressure ball 41 is attached to one end of the pump head 40, The pump head 40 reciprocates upward and downward according to the rotation operation so that the pressure ball 41 compresses the liquid receiving tube 6 as shown in FIG.

That is, after measuring the number of drops and the infusion rate of the liquid, the pressure ball 41 compresses the liquid tube 6 passing through the liquid tube compression holder 50 using the measured value, And provides a special effect of precisely controlling the injection amount.

In the pump head 40, a pressure ball fixing groove 42 is formed at one end, and the pressure ball 41 is partially inserted into the pressure ball fixing groove 42, And is integrally welded to the base 40 through a welding operation.

In addition, the pressure ball 41 gradually flows the liquid pipe 6 inserted and supported in the liquid pipe insertion groove 51 in the process of turning downward, thereby generating a flow of liquid and injecting the liquid.

The fluid tube compression holder 50 supports the fluid receiving tube 6 so that the pressure ball 41 does not flow when the fluid tube 6 is compressed. And the inner surface thereof is recessed into a sap tube groove 51 for inserting and supporting the sap tube 6. [

2 and 5, the suction pipe compression holder 50 has a compression holder insertion portion 52 formed at the center of the fluid pipe passage 13 so as to pass through the interior and the exterior of the compression pipe insertion portion 52, A pair of compression holder fixing plates 53 integrally projecting from the front ends of the compression holder fixing plate 53 and the fluid tube compression holder 50 for supporting the front and rear surfaces of the fluid tube compression holder 50 in close contact with each other, And the pair of set screws 54 are threadedly coupled to the upper and the lower portions of the pressure tube 41 so that the pressure tube 41 compresses the liquid tube 6 while the pressure tube 41 is kept in a fixed state, Thereby smoothly performing the function of supporting the tube 6 so as to maintain the correct position without being pushed, thereby enabling precise injection of the liquid.

The present invention having such a configuration is characterized in that the top plate 5 formed on the upper portion of the spotting tube 4 in a state in which the pointing tube 4 of the infusion set S is inserted into the pointing tube inserting portion 11 as shown in FIG. Are fitted and fixed in the upper plate mounting groove (12).

The liquid pipe 6 connected to the lower end of the drip tray 4 has a liquid pipe passage 13 and a liquid pipe hole 13a formed on the upper side of the liquid pipe compression holder 50, 51 are disposed along the liquid tube hole 13a and the liquid tube passage 13 formed on the lower side of the liquid tube compression holder 50 to measure the infusion rate of the liquid, Thereby enabling precise injection of the fuel.

At this time, the liquid pipe (6) disposed in the liquid pipe passage (13) formed below the liquid pipe compression holder (50) is moved to the opposite side of the liquid pipe passage (13) And the pair of the releasing rests 19 are protruded from the inner surface, so that the deviation of the liquid receiving tube 6 can be effectively prevented.

In the meantime, the present invention further incorporates a technique of automatically locking the fluid inlet tube 6 after detecting the fluid just before it is exhausted.

A sensor hole 17a is additionally formed in the inner circumferential surface of the puncture insertion portion 11 and the sensor hole 17a is inserted into the sensor hole 60. The sensor hole 60 senses the liquid in the drip tray 4 and when the amount of liquid is lower than the set water level, the pressure ball 41 of the pump head 40 is positioned horizontally with the motor shaft 31 as shown in FIG. 10, (6) to strongly block the flow of the liquid through the liquid pipe (6), thereby preventing blood from flowing back to the liquid pipe (6), thereby providing a special effect of preventing medical accidents.

S: Infusion set 1: Infusion bottle
1a: sap 4: drip
5: top plate 6: fluid tube
7: fluid regulator 8: needle
10: injector main body 11:
12: top plate mounting groove 13:
14: front body 15: rear body
16: Display window 17, 17a: Sensor hole
18: motor inserting part 19:
20: drop sensor 21:
22: light emitting portion 30: step motor
40: pump head 41: pressure ball
42: pressure ball fixing groove 50: fluid tube compression holder
51: Sealing groove of the liquid tube 52: Insertion part of the compression holder
53: compression holder fixing plate 54: set screw
60: fluid sensor

Claims (7)

And an upper plate mounting groove 12 is formed on the upper side of the lower portion of the dropping tube insertion portion 11. The upper plate mounting groove 12 is formed in the lower end of the dropping tube insertion portion 11, An injector main body 10 in which the liquid pipe passage 13 is continuously recessed;
A drop sensor 20 including a light receiving portion 21 and a light emitting portion 22 inserted into sensor holes 17 formed to face each other before and after the inner peripheral surface of the drop container insertion portion 11;
A step motor (30) provided on a motor insertion portion (18) protruding from an inner rear surface of the injector main body (10);
A pump head 40 which reciprocates upward and downward by the step motor 30 and which is attached to one end of the pressure ball 41 to compress the fluid-receiving tube 6 to generate fluid flow;
A fluid pipe compression holder 50 connected to the inside of the fluid pipe channel 13 in the same line as the pump head 40 and having a fluid pipe insertion groove 51 formed on the inner surface thereof;
The sensor hole 17a formed in the inner circumferential surface of the puncture insertion portion 11 is provided with a sensor for detecting the fluid in the dropping bottle 4 of the infusion set S inserted therein, The pressure chamber 41 of the pump head 40 is positioned horizontally with respect to the motor shaft 31 when the amount of liquid is lower than the set water level, Is maintained in the locked state. The method according to claim 1,
The injector body 10 is divided into a pair of front bodies 14 and rear bodies 15 and has a coupling protrusion 14a protruding from the inner surface of the front body 14 and the inner surface of the rear body 15 And a display window (16) is provided on a front surface of the front body (14). delete The method according to claim 1,
The upper plate 5 formed on the upper portion of the dropping tube 4 is inserted into the upper plate mounting groove 12 in a state where the dropping bottle 4 of the infusion set S is inserted into the dropping tube insertion portion 11 And the liquid pipe 6 connected to the lower end of the drip tray 4 passes through the liquid pipe passage 13 and the liquid pipe insertion groove 51 formed on the upper side of the liquid pipe compression holder 50, (13) formed on the lower side of the pipe compression holder (50). 5. The method of claim 4,
A pair of separation chambers 19 for preventing the liquid tube 6 from being separated from the outside are integrally protruded on the inner surfaces of the liquid pipe passages 13 formed on the lower side of the liquid pipe compression holder 50 Wherein the first and second flow passageways are formed in the same direction. The method according to claim 1,
A pressure ball fixing groove 42 is formed at one end of the pump head 40. A pressure ball 41 is partially fitted in the pressure ball fixing groove 42 and the pressure ball 41 The pressure ball 41 is integrally welded to the pump head 40 while the fluid is slowly compressed while the pressure ball 41 is slowly rotated while being downwardly inserted into the fluid inlet / And injecting the liquid. The method according to claim 1,
The fluid pipe compression holder 50 is inserted into a compression holder insertion portion 52 formed between the fluid pipe passages 13 and the front and rear ends of the compression holder insertion portion 52 are respectively inserted into the front and rear faces A pair of compression holder holding plates 53 are integrally formed to protrude integrally and support upper and lower portions of the compression holder holding plate 53 and the liquid pipe holding holder 50 by the set screws 54, Wherein the first and second flow passages are connected to each other.
KR1020140088628A 2014-07-11 2014-07-11 Auto fluid detailed infuser KR101512310B1 (en)

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KR1020140088628A KR101512310B1 (en) 2014-07-11 2014-07-11 Auto fluid detailed infuser

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107921205A (en) * 2015-08-25 2018-04-17 株式会社村田制作所 Fluid control device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0621646U (en) * 1992-04-15 1994-03-22 協同組合ライフサイエンス京都 Drop barrel drop detector
JP2002336350A (en) * 2001-05-14 2002-11-26 I'm Co Ltd Automatic transfusion device
JP2008178444A (en) * 2007-01-23 2008-08-07 Ube Junken:Kk Roller pump
JP2013006021A (en) * 2011-05-26 2013-01-10 Nipro Corp Infusion pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0621646U (en) * 1992-04-15 1994-03-22 協同組合ライフサイエンス京都 Drop barrel drop detector
JP2002336350A (en) * 2001-05-14 2002-11-26 I'm Co Ltd Automatic transfusion device
JP2008178444A (en) * 2007-01-23 2008-08-07 Ube Junken:Kk Roller pump
JP2013006021A (en) * 2011-05-26 2013-01-10 Nipro Corp Infusion pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107921205A (en) * 2015-08-25 2018-04-17 株式会社村田制作所 Fluid control device
CN107921205B (en) * 2015-08-25 2020-10-16 株式会社村田制作所 Fluid control device

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