WO2016035969A1 - Dispositif d'alimentation dosée en solution - Google Patents

Dispositif d'alimentation dosée en solution Download PDF

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Publication number
WO2016035969A1
WO2016035969A1 PCT/KR2015/004474 KR2015004474W WO2016035969A1 WO 2016035969 A1 WO2016035969 A1 WO 2016035969A1 KR 2015004474 W KR2015004474 W KR 2015004474W WO 2016035969 A1 WO2016035969 A1 WO 2016035969A1
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WO
WIPO (PCT)
Prior art keywords
fluid
liquid
screw
solution
main body
Prior art date
Application number
PCT/KR2015/004474
Other languages
English (en)
Korean (ko)
Inventor
윤석신
조병식
Original Assignee
주식회사 세비카
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.)
Filing date
Publication date
Application filed by 주식회사 세비카 filed Critical 주식회사 세비카
Publication of WO2016035969A1 publication Critical patent/WO2016035969A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
    • 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
    • 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

Definitions

  • the present invention relates to a fluid supply device for administering a fluid such as a blood vessel injector or a nutrient into the body, and more particularly to a fluid supply device for automatically supplying a constant amount of fluid irrespective of the amount of the fluid or the position of the fluid. To a constant amount feeding device.
  • the conventional liquid supply device has a great restriction on the patient's behavior, and it is necessary to constantly check the constantly changing liquid supply condition, periodically operate the liquid adjustment mechanism, or move the liquid container to a higher position, Careful attention and care of the caregiver are required such as keeping the condition smooth.
  • the present invention has been conceived to solve the problems described above. It is an object of the present invention to provide a constant amount of fluid that can be administered to a patient in a constant amount of time during a target time, irrespective of changes in the amount of fluid stored in the fluid container,
  • the purpose of the device is to provide.
  • the present invention provides a fixed amount supply device for a liquid, comprising: a main body having a driving motor and a power supply unit for supplying power to the driving motor; And a transfer screw for transferring the liquid from the drive motor to the liquid discharge port through the liquid inlet port while being rotated to the one side and receiving the rotational force from the drive motor. And a control unit.
  • the kit includes a case coupled to the main body, a cylinder mounted on the inside of the case and integrally connected to the fluid inflow port and the fluid inflow port on one side and the other side and the feed screw being inserted tightly vertically, And an elastic coupling means provided at an upper portion of the conveyance screw so that the end of the rotation axis of the drive motor and the conveyance screw are elastically connected.
  • the elastic coupling means includes a socket having an upper end coupled to an upper end of a rotary shaft of the conveying screw, an elastic member vertically installed in the vertical groove of the socket, And an engaging protrusion protruded from an outer circumferential surface of the lifting member.
  • the lifting member is formed on the sidewall of the socket so as to be fitted in the engaging protrusion, A guide hole for guiding the lifting and lowering operation to be stably performed and preventing the lifting and lowering member from being detached from the socket and a lifting and lowering hole for lifting and lowering members formed at the center thereof It is preferable that it is constituted by a fixed cap.
  • a protrusion is formed at the end of the rotation shaft of the driving motor, and a recessed portion engaging with the protrusion is formed at an upper end of the elevation member.
  • the upper surface of the elevation member may be inclined downward toward the recess.
  • a cutout portion is formed at one side of the main body, a vertical rail portion is formed at one side of the cutout portion, and a vertical groove portion is slidably engaged with the vertical rail portion. So that it can be slidably coupled from below to above.
  • a contact protrusion closely adhered to the inner circumferential surface of the cylinder is formed on the lower outer circumferential surface of the socket, so that the liquid flowing into the cylinder through the fluid inflow portion does not flow back to the upper portion of the transfer screw.
  • the feed screw may be formed such that the pitch of the screw gradually decreases toward the liquid discharge portion.
  • the feed screw is formed such that the outer diameter of the shaft portion gradually increases toward the liquid discharge portion.
  • liquid inlet and the liquid outlet are formed at positions which are not opened at the same time.
  • the fluid inflow portion is connected to a first infusion hose connected to the infusion container, and the fluid discharge portion is connected to a second infusion hose connected to the injection needle.
  • the main body is provided with a display window for displaying the operation state of the drive motor and the feed screw in real time, a control unit for controlling the on / off operation of the drive motor and the rotation speed of the feed screw.
  • the kit is provided between the saproline and the saphenous hose connecting the injection needle and the transfer screw for transferring the sap flowing into the kit through the sap inlet into the sap outlet, It is very easy to use because it is possible to administer a fixed amount of fluid to the patient at any time during the target time regardless of changes in the amount of the fluid stored in the fluid container or the position of the container in the container without a separate fluid control device There is an effect that can be improved.
  • FIG. 1 is a use state diagram of a liquid amount dispenser according to the present invention.
  • FIG. 1 is a use state diagram of a liquid amount dispenser according to the present invention.
  • FIG. 2 is an exploded perspective view of a constant amount liquid supply device according to the present invention.
  • FIG. 3 is a view showing an internal configuration of a main body constituting the present invention.
  • FIG. 4 is an exploded perspective view of a kit constituting the present invention.
  • 5 is a sectional view of the use state of the present invention.
  • FIG. 6 is a perspective view showing a process of connecting a lifting member and a rotating shaft constituting the present invention.
  • the present invention is largely composed of a main body 110 and a kit 120 detachably coupled to the main body 110.
  • the main body 110 includes a liquid receiver A and an injection needle B, And a part of the flow path formed by the fluid hose C is formed.
  • the main body 110 includes a driving motor 111 and a power supply unit 112 for supplying power to the driving motor 111.
  • the power supply unit 112 may be configured to supply power to the driving motor 111 from an external power supply.
  • the drive motor 111 is configured to be internally supplied with power through a battery or an internal battery as shown in the drawing so as not to be restricted by the installation position.
  • the kit 120 detachably coupled to the main body 110 is formed with a fluid inlet 123a for receiving the fluid on one side and a fluid outlet 123b for discharging the supplied fluid on the other side.
  • the fluid inlet 123a is connected to the end of the first fluid hose C1 connected to the fluid receptacle A.
  • the fluid outlet 123b is connected to the end of the second infusion hose C2 connected to the needle B.
  • a transfer screw 122 is installed in the kit 120 for transferring the rotational force from the driving motor 111 to the fluid inlet 123a and rotating the fluid inlet 123a to the fluid outlet 123b. do.
  • the kit 120 includes cases 121a and 121b that are detachably coupled to the main body 110, and the transfer screws 122 are vertically and tightly inserted into the cases 121a and 121b.
  • a cylinder 123 is provided.
  • a fluid inflow port 123a is integrally connected to the side of the cylinder 123 and a fluid inflow port 123b is integrally connected to a lower portion of the cylinder 123.
  • An upper end and a lower end of the conveying screw 122 are formed with an inlet groove 122a through which the sap flows from the sap inlet 123a and a drain groove 122b through which the sap transferred to the sap outlet 123b is discharged.
  • the liquid inlet 123a and the liquid outlet 123b are periodically opened for a predetermined period of time by the inlet groove 122a and the outlet groove 122b in the course of the rotation of the feed screw 122, Is supplied to the conveying screw 122 side and discharged from the conveying screw 122 side. At this time, the fluid inlet 123a and the fluid outlet 123b are formed at positions that are not opened at the same time.
  • the conveying screw 122 is formed of rubber or soft synthetic resin so as to be in close contact with the cylinder 123 and is inserted into the rotation shaft 122c And the upper end of the transfer screw 122 is elastically coupled to the end of the rotation shaft 111a of the drive motor 111 in the process of coupling the kit 120 to the main body 110.
  • Means 130 are provided.
  • the lower end of the rotary shaft 122c of the feed screw 122 is rotatably inserted into the bottom of the cylinder 123 so that the feed screw 122 can maintain a stable posture in the cylinder 123.
  • the feed screw 122 is formed such that the outer diameter D of the shaft portion of the screw 122d gradually increases as it approaches the liquid outlet 123b. As the shaft outer diameter D gradually increases, the height of the wing portion of the screw 122d gradually decreases. In addition, it is preferable that the pitch of the screw 122d gradually decreases as the feed screw 122 gets closer to the fluid outlet 123b. The reason why the pitch of the screw 122d is gradually narrowed as the outer diameter D of the shaft portion of the feed screw 122 gradually increases or gets closer to the liquid outlet 123b is that the feed pressure of the liquid passes through the liquid outlet 123b So that the transfer of the liquid can be surely performed without being influenced by the external pressure change.
  • a contact protrusion 131c is formed on the outer circumferential surface of the lower portion of the socket 131 so as to be brought into close contact with the inner circumferential surface of the cylinder 123.
  • a liquid inflow into the cylinder 123 through the fluid inlet 123a is transferred to the upper portion of the transfer screw 122 So as not to flow out to the outside of the cylinder 123.
  • the elastic coupling means 130 includes a socket 131 coupled to an upper end of a rotation shaft 122c of the conveying screw 122 and having a vertical groove 131a at an upper end thereof and a vertical groove 131a, And a concave portion 133a which is coupled to the upper portion of the socket 131 through the elastic member 132 so as to be able to be lifted and lowered and is engaged with an end portion of the rotary shaft 111a of the driving motor 111, A lifting member 133 formed on an upper end of the lifting member 133 and a lifting member 133b protruding outward from the outer circumferential surface of the lifting member 133.
  • the lifting member 133 is fixed to the side wall of the socket 131 so that the lifting member 133b can be fitted
  • a guide hole 131b which is elongated in the vertical direction so as to guide the elevating member 133 so as to stably move up and down the elevating member 133 and not to be separated from the socket 131,
  • the upper end of the socket 123 is supported on the upper end of the cylinder 123
  • a fixed cap 134 having a lift hole 134a for a lift member formed at the center thereof.
  • An inward bent portion 134b is formed at the lower end of the fixed cap 134 so that the fixed cap 134 can be easily and firmly fixed to the upper end of the cylinder 123, It is preferable that a step portion 123c protruding outwardly corresponding to the bent portion 134b is formed.
  • the fixed cap 134 should be made of a stretchable material.
  • the concave portion 133a is formed at the upper end of the lifting member 133 and the protrusion 111b is formed at the end of the rotating shaft 111a of the driving motor 111.
  • the upper end surface 133c of the elevating member 133 is formed to be inclined downward toward the recess 133a in order to engage with the smooth protrusion 131b.
  • the case 121a and 121b can receive the kit 120 at one side of the main body 110 to be slidably coupled to the main body 110 for convenience of use.
  • a vertical rail 113 is formed on one side of the cutout 110a and the vertical rail 113 is formed on one side of the cases 121a and 121b of the kit 120.
  • the vertical grooves 124 may be formed to be slidably coupled along the vertical direction.
  • a display window 110b for outputting the operating states of the drive motor 111 and the feed screw 122 in real time, an on / off operation of the drive motor 111, And a control unit 110c for adjusting the rotational speed of the screw 122.
  • liquid quantity dispenser of the present invention is used as follows.
  • the first fluid hose C1 connected to the fluid receptacle A is connected to the fluid inlet 123a formed in the kit 120 and the second fluid hose C1 connected to the injection needle B is connected to the fluid outlet 123b.
  • C2 is connected to the cutout 110a of the main body 110 and then the kit 120 is positioned at the lower portion of the cutout 110a of the main body 110,
  • the kit 120 is slidably engaged with the main body 110 while being fitted to the vertical rail part 113.
  • the rotating shaft 111a of the driving motor 111 provided in the main body 110 and the feeding screws 122 provided in the kit 120 are coupled to each other.
  • the user When the kit 120 is coupled to the main body 110 as described above, the user operates the drive motor 111 using the control unit 110c provided on the front surface of the main body 110 and adjusts the rotation speed of the feed screw 122 Adjust the infusion rate of the liquid appropriately.
  • the mutual engagement of the drive motor 111 and the feed screw 122 is formed by the protrusion 111b formed at the end of the rotary shaft 111a of the drive motor 111 and the elevation member 133 provided at the upper end of the feed screw 122
  • the rotation shaft 122c and the elevating member 133 are free to rotate so that when the kit 120 is coupled to the main body 110 as shown in FIG. 6,
  • the projected portion 111b formed at the end of the elevating member 122c and the recessed portion 133a formed at the shaft connecting portion of the elevating member 133 may not be correctly engaged.
  • the kit 120 is coupled to the main body 110 in a state where the lifting member 133 is pushed down by the end of the rotating shaft 111a, The rotation shaft 111a is rotated to naturally align the protrusion 111b and the recess 133a with each other.
  • the protrusion 111b and the concave portion 133a are aligned with each other, the pressing force applied to the lifting member 133 is removed and the lifted member 133 is lifted to the original position.
  • the engaging of the protruding portion 111b is normally performed.
  • the upper end surface 133c of the lifting member 133 is inclined downward toward the concave portion 133a, the concave portion 133a and the convex portion 111b are engaged with each other very smoothly.
  • the liquid introduced into the side of the conveying screw 122 is conveyed along the screw 122d to the liquid outlet 123b.
  • the pitch of the screw 122d is gradually reduced or the outer diameter D of the shaft portion of the feed screw 122 is gradually increased, the feed pressure to the liquid outlet 123b gradually increases as the feed pressure of the liquid gradually increases . Accordingly, the transferred liquid is smoothly transferred to the second liquid hose C2 through the liquid discharge port 123b without being stagnated or flowing backward in the cylinder 123 due to the weak transfer pressure during transfer.
  • the fixed amount supply device of the present invention when the fixed amount supply device of the present invention is provided between the liquid hoses C connecting the liquid container A and the needles B, the amount of liquid stored in the liquid container A It is possible to administer a predetermined amount of liquid to the patient at any desired time regardless of the position of the changeable container or receptacle (A), so that it is very easy to use and the therapeutic effect can be improved.

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  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

La présente invention concerne un dispositif d'alimentation en solution pour administrer une solution telle que par injection intraveineuse ou un complément nutritionnel dans le corps et, plus particulièrement, un dispositif d'alimentation dosée en solution capable de fournir de façon continue et automatique une certaine quantité de solution, indépendamment de la quantité de solution ou des changements d'emplacement d'une solution. Le dispositif d'alimentation dosée en solution de la présente invention est configuré pour comprendre : un corps principal (110) ayant un moteur d'entraînement (111) et une unité d'alimentation électrique (112) pour fournir de l'énergie électrique au moteur d'entraînement ainsi qu'un kit (120) accouplé de façon détachable au corps principal, ayant une entrée de solution (123a) formée sur un premier côté de ce dernier pour recevoir une solution fournie, une sortie de solution (123b) formée sur l'autre côté de ce dernier pour évacuer la solution fournie et une vis de transfert (122) située à l'intérieur de ce dernier pour recevoir une force de rotation provenant du moteur d'entraînement, pour tourner vers un premier côté et transférer la solution introduite par l'entrée de solution vers la sortie de solution.
PCT/KR2015/004474 2014-09-05 2015-05-04 Dispositif d'alimentation dosée en solution WO2016035969A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140118867A KR101624103B1 (ko) 2014-09-05 2014-09-05 수액 정량 공급장치
KR10-2014-0118867 2014-09-05

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WO2016035969A1 true WO2016035969A1 (fr) 2016-03-10

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PCT/KR2015/004474 WO2016035969A1 (fr) 2014-09-05 2015-05-04 Dispositif d'alimentation dosée en solution

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WO (1) WO2016035969A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10238800B2 (en) 2016-11-21 2019-03-26 Samsung Electronics Co., Ltd. Electronic device and method of operating electronic device
KR102072158B1 (ko) 2018-06-07 2020-01-31 박준한 혼합액 주입 장치
KR102491126B1 (ko) 2020-11-03 2023-01-19 한남대학교 산학협력단 수액 자동 공급유닛

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980062429U (ko) * 1997-04-02 1998-11-16 송득영 휴대용 주사액 주입 장치
JP2000511075A (ja) * 1996-05-31 2000-08-29 メドラッド インコーポレイテッド 注入装置及び該装置に用いるポンプ装置
US6468242B1 (en) * 1998-03-06 2002-10-22 Baxter International Inc. Medical apparatus with patient data recording
KR20130138358A (ko) * 2010-09-24 2013-12-18 퍼큐플로, 엘엘씨 주입 펌프

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000021236A (ko) 1998-09-28 2000-04-25 윤종용 화학 기상 증착장치용 카세트 챔버의 웨이퍼 센서

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000511075A (ja) * 1996-05-31 2000-08-29 メドラッド インコーポレイテッド 注入装置及び該装置に用いるポンプ装置
KR19980062429U (ko) * 1997-04-02 1998-11-16 송득영 휴대용 주사액 주입 장치
US6468242B1 (en) * 1998-03-06 2002-10-22 Baxter International Inc. Medical apparatus with patient data recording
KR20130138358A (ko) * 2010-09-24 2013-12-18 퍼큐플로, 엘엘씨 주입 펌프

Also Published As

Publication number Publication date
KR101624103B1 (ko) 2016-05-25
KR20160029398A (ko) 2016-03-15

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