WO2018093147A1 - Ensemble de perfusion possédant une fonction de prévention d'une fuite de sang et d'un reflux - Google Patents

Ensemble de perfusion possédant une fonction de prévention d'une fuite de sang et d'un reflux Download PDF

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Publication number
WO2018093147A1
WO2018093147A1 PCT/KR2017/012946 KR2017012946W WO2018093147A1 WO 2018093147 A1 WO2018093147 A1 WO 2018093147A1 KR 2017012946 W KR2017012946 W KR 2017012946W WO 2018093147 A1 WO2018093147 A1 WO 2018093147A1
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WO
WIPO (PCT)
Prior art keywords
adapter
catheter
blood
check valve
fluid
Prior art date
Application number
PCT/KR2017/012946
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English (en)
Korean (ko)
Inventor
최근욱
Original Assignee
최근욱
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 최근욱 filed Critical 최근욱
Publication of WO2018093147A1 publication Critical patent/WO2018093147A1/fr

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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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/344—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
    • A61M5/345—Adaptors positioned between needle hub and syringe nozzle
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/24—Check- or non-return 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
    • A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • 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
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3128—Incorporating one-way valves, e.g. pressure-relief or non-return valves

Definitions

  • the present invention relates to an infusion set having a function of preventing blood leakage and reflux.
  • patients who are unable to adequately receive essential nutrients by mouth can maintain fluids, electrolytes, vitamins, proteins, fats and calories, maintain proper blood components, or take medication quickly in an emergency.
  • the hospital administers fluids or drugs in the vein of the patient through a syringe or the like.
  • a vascular injection catheter is first injected into the blood vessel of the patient, and then the fluid supply tube is connected to the hose connector of the catheter.
  • FIG. 1A illustrates a cross-sectional view of a conventional IV needle unit for injecting a catheter into a patient's blood vessel.
  • 1B shows a front view of a conventional infusion needle unit with the cover removed.
  • FIG. 1C shows a state diagram schematically illustrating a state in which an infusion syringe unit is injected into a patient and only a catheter is detached.
  • a typical infusion needle unit 1 includes a cover 2, a catheter 10, a needle 4, a body unit 3, a needle body 5, and a support 6. It can be seen that including the configuration. Before the catheter 10 is injected, the cover 2 is mounted on the top of the body unit 3.
  • the cover 2 is detached to inject the catheter 10, and as shown in FIG. 1C, the needle 4 and the catheter 10 are integrated into the blood vessel of the patient. Will be injected. And, leaving only the catheter 10 in the blood vessel, it can be seen that the infusion injection needle (4), needle body (5), body unit (3), support portion (6) to be pulled out integrally.
  • a typical infusion set is a vessel in which the sap is stored, the support vessel (8) on which the infusion container (7) is mounted, the infusion vessel (8) and the catheter 10 by connecting the vessel Supply tube 30 for supplying the sap, the dropping container (9) provided at the bottom of the infusion container (8), the flow control unit 40 for adjusting the flow rate of the supplied sap provided on one side of the supply tube (30) It may be configured to include.
  • FIG. 1f shows a state diagram of a situation where blood leaks to the outside of the catheter 10 before mounting the supply tube 30.
  • the check valve unit is installed inside the expansion pipe to prevent the external leakage of blood before the adapter is mounted
  • the purpose is to provide a set of infusions.
  • the end of the adapter is provided with a tapered insertion end which is gradually reduced in outer diameter in one direction.
  • the insertion end penetrates the backflow prevention membrane of the check valve unit when the adapter is connected to the catheter.
  • the purpose of this invention is to provide a set of fluids that can prevent backflow after connecting the adapter, and to prevent leakage of fluid or blood between the adapters when the catheter is exchanged to supply another fluid. have.
  • the supply tube can be bent, bent into a U-shape, and then fixed to the adapter. It is an object of the present invention to provide a set of sap that can drastically reduce the number of tapings for fixing the supply tube to the human body.
  • the needle film is introduced into the blood vessels of the patient by the infusion injection needle unit and having an injection hole therein, an expansion tube provided at the rear end of the needle film, and inside the expansion tube
  • a catheter having a check valve unit installed to prevent leakage of blood
  • An adapter having a hollow hole formed therein and having an insertion end penetrating through the check valve unit and a mounting end inserted into the expansion pipe and fixedly mounted therein; And one side is connected to the adapter, the other side is connected to the fluid container can be achieved as a set of fluids having a blood leakage, backflow prevention function comprising a; supplying fluid to the vessel.
  • the check valve unit prevents leakage of blood, and an insertion end of the adapter passes through the check valve unit so that the adapter is connected to the catheter.
  • the check valve unit When mounted in the fluid may be supplied to the blood vessels.
  • the check valve unit is made of silicon or rubber material, and has a hollow body part fixedly installed in the expansion pipe, and seals the inside of the body part before insertion of the insertion end, and the insertion end when the catheter is mounted. It may be characterized in that it comprises a backflow prevention film is penetrated.
  • the adapter is connected to the other end of the front end and the front end connected to the other end of the front connection end, and the outer end is configured to be larger than the front connection end and the other end of the protruding end is connected to the outside Including a rear connection end is inserted, the supply tube is inserted, the insertion end of the adapter may be characterized in that it has a tapered shape that the outer diameter is gradually reduced to one side.
  • it may be characterized in that it further comprises a mounting unit which is provided on one side of the adapter outer surface to mount one side of the supply tube.
  • the check valve unit is installed inside the expansion pipe and has an effect of preventing external leakage of blood before the adapter is mounted.
  • the insertion end when the adapter is connected to the catheter penetrates the backflow prevention membrane of the check valve unit. Therefore, backflow can be prevented after connecting the adapter.
  • the catheter is exchanged to supply another fluid, it has an effect of preventing leakage of the fluid or blood even when the adapter is removed and then remounted.
  • the supply tube can be bent, bent into a U-shape, and then fixed to the adapter. Therefore, there is an effect that can significantly reduce the number of taping for fixing the supply tube to the human body.
  • 1A is a front view of a conventional infusion needle unit
  • 1B is a front view of a conventional infusion needle unit with the cover removed;
  • FIG. 1C is a diagram schematically illustrating a state in which an infusion needle unit is injected to a patient, and only a needle film is detached.
  • 1d is a state in which the feed tube is mounted on the catheter
  • Figure 1e is a configuration diagram of the infusion set equipped with a supply tube
  • Figure 1f is a state diagram of the situation where the blood leakage to the outside of the catheter before mounting the supply tube
  • Figure 2 is an exploded perspective view of the catheter and adapter of the infusion set according to an embodiment of the present invention
  • 3A is a perspective view of a catheter according to an embodiment of the present invention.
  • Figure 3b is an exploded perspective view of the catheter according to an embodiment of the present invention.
  • Figure 3c is a cross-sectional view of the catheter according to an embodiment of the present invention.
  • Figure 4a is a perspective view of a check valve unit built in the catheter in accordance with an embodiment of the present invention
  • Figure 4b is a cross-sectional view of the check valve unit built in the catheter in accordance with an embodiment of the present invention
  • FIG. 5A is a perspective view of an adapter according to an embodiment of the present invention.
  • 5b is a side view of an adapter according to an embodiment of the present invention.
  • Figure 5c is a cross-sectional view of the adapter according to an embodiment of the present invention.
  • Figure 5d is a perspective view of the adapter having a mounting unit according to an embodiment of the present invention.
  • 6A is a perspective view and a partially enlarged view of a state in which a needle film of a catheter is injected into a human body according to one embodiment of the present invention
  • FIG. 6B is a perspective view and a partially enlarged view of a state in which an adapter is mounted to a catheter according to an embodiment of the present invention
  • Figure 6c is a perspective view of a state in which the supply tube is mounted on the mounting unit according to an embodiment of the present invention
  • FIG. 6D is a perspective view and a partially enlarged view of a state in which the adapter is detached from FIG. 6B;
  • 6E illustrates a perspective view and a partially enlarged view of a state in which the adapter is mounted on the catheter again according to an embodiment of the present invention.
  • Embodiments described herein will be described with reference to cross-sectional and / or plan views, which are ideal exemplary views of the present invention.
  • the thicknesses of films and regions are exaggerated for effective explanation of technical content. Therefore, the shape of the exemplary diagram may be modified by manufacturing techniques and / or tolerances. Accordingly, the embodiments of the present invention are not limited to the specific forms shown, but also include changes in forms generated according to manufacturing processes. For example, the region shown at right angles may be rounded or have a predetermined curvature.
  • the regions illustrated in the figures have properties, and the shape of the regions illustrated in the figures is intended to illustrate a particular form of region of the device and is not intended to limit the scope of the invention.
  • terms such as first and second are used to describe various components in various embodiments of the present specification, these components should not be limited by such terms. These terms are only used to distinguish one component from another.
  • the embodiments described and illustrated herein also include complementary embodiments thereof.
  • the fluid set 100 having a blood leakage, backflow prevention function according to an embodiment of the present invention.
  • 2 is an exploded perspective view of the catheter 10 and the adapter 20 of the infusion set 100 according to an embodiment of the present invention.
  • the fluid set 100 having a blood leakage and backflow prevention function according to an embodiment of the present invention includes a catheter 10, an adapter 20, a flexible connection part 31, and a supply tube 30. It can be seen that it can be configured to include).
  • the needle film 11 is introduced into the blood vessel of the patient by the infusion injection needle unit 1 and has an injection hole therein, and the rear end of the needle film 11 It is configured to include an expansion tube 12 provided, and a check valve unit 14 installed in the expansion tube 12 to prevent leakage of blood.
  • FIG. 3A illustrates a perspective view of a catheter 10 in accordance with one embodiment of the present invention.
  • 3B illustrates an exploded perspective view of the catheter 10 according to an embodiment of the present invention
  • FIG. 3C illustrates a cross-sectional view of the catheter 10 according to an embodiment of the present invention.
  • the catheter 10 is a conventional catheter
  • the needle film 11 is introduced into the blood vessels of the patient, of the needle film 11 It has an expansion pipe part 12 to which the adapter 20 is mounted in the rear end. It can be seen that the needle film 11 includes an expansion end 12 and a fitting end 13 for mounting the needle film 11.
  • the check valve unit 14 is installed inside the expansion tube 12 to prevent external leakage of blood before the adapter 20 is mounted or after the adapter 20 is removed. When feeding the sap prevents the backflow of the sap.
  • Figure 4a shows a perspective view of the check valve unit 14 built in the catheter 10 in accordance with an embodiment of the present invention.
  • Figure 4b shows a cross-sectional view of the check valve unit 14 embedded in the catheter 10 according to an embodiment of the present invention.
  • the check valve unit 14 prevents leakage of blood.
  • the insertion end 21 of the adapter 20 passes through the check valve unit 14 and the adapter 20 is mounted to the catheter 10, the fluid is supplied to the blood vessel and the back flow of the fluid is prevented.
  • the check valve unit 14 may be made of a silicon or rubber material, as shown in Figure 4a and 4b, in one embodiment of the present invention includes a body portion 15 and the backflow prevention film (16) Can be configured.
  • the body portion 15 is hollow and fixedly installed in the expansion pipe portion 12, and the backflow prevention film 16 seals the inside of the body portion 15 before insertion of the insertion end 21 so that the adapter 20 is mounted. It can prevent the leakage of whole blood.
  • the insertion end 21 penetrates the backflow prevention film 16.
  • Adapter 20 according to an embodiment of the present invention is configured to include the insertion end 21 and the mounting end (22).
  • 5A shows a perspective view of an adapter 20 according to one embodiment of the invention.
  • Figure 5b shows a side view of the adapter 20 according to an embodiment of the present invention
  • Figure 5c shows a cross-sectional view of the adapter 20 according to an embodiment of the present invention.
  • the adapter 20 has a hollow hole that penetrates from one side to the other side as a whole.
  • the insertion end 21 of the adapter 20 is penetrated by the check valve unit 14 when mounted to the catheter 10, the mounting end 22 is inserted into the expansion tube 12 is fixedly mounted.
  • the adapter 20 according to an embodiment of the present invention, the front connection end 23 is connected to the other end of the mounting end 22.
  • the outer diameter of the front connection end 23 is provided to be larger than the outer diameter of the mounting end 22 to form a longitudinal projection to the outside. Therefore, when the adapter 20 is mounted, the mounting end 22 is fitted into the expansion tube 12 and the front connecting end 23 serves as a locking step.
  • the adapter 20 is connected to the other end of the front connecting end 23, the outer end is configured to be larger than the front connecting end (23) and the other end of the protruding end 24 and is supplied to the outside
  • the tube 30 is configured to include a rear connection end 25 is inserted and mounted.
  • One side of the supply tube 30 is connected to the rear connection end 25 of the adapter 20, the other side is connected to the fluid container to supply the fluid to the blood vessel in which the needle film 11 is introduced.
  • the insertion end 21 of the adapter 20 has a tapered shape in which the outer diameter is gradually reduced to one side.
  • FIG. 5d shows a perspective view of an adapter 20 having a mounting unit 26 according to one embodiment of the invention.
  • the adapter 20 is provided on one side of the outer surface may further comprise a mounting unit 26 that can be mounted to one side of the supply tube (30).
  • the adapter 20 according to an embodiment of the present invention, as shown in Figure 5d, is provided with a mounting unit 26 for fixing one side of the supply tube 30, the rear feed tube 30 After connecting to the connection terminal 25, the supply tube 30 can be coupled through the mounting unit 26 in a state in which the supply tube 30 is bent in a U-shape.
  • the mounting unit 26 has a form in which the supply tube 30 can be coupled and fixed in an interference fit manner.
  • the specific structure and form are not restrict
  • the adapter 20 can be fixed at As a result, the number of taping for fixing the supply tube 30 to the human body can be significantly reduced.
  • FIG. 6A illustrates a perspective view and a partially enlarged view of a state in which the needle film 11 of the catheter 10 is injected into a human body according to an embodiment of the present invention.
  • the needle film 11 of the catheter 10 is introduced into the blood vessels of the human body using the IV injection needle unit 1, and the IV injection unit 1 except for the catheter 10 is inserted. It can be seen that the desorption.
  • the check valve unit 14 as described above in the expansion portion 12 of the catheter 10 according to the embodiment of the present invention.
  • Figure 6b shows a perspective view and a partially enlarged view of the adapter 20 is mounted on the catheter 10 according to an embodiment of the present invention.
  • the insertion end 21 of the adapter 20 is inserted through the check valve unit 14 and the adapter 20 is mounted. It can be seen that the adapter 20 is mounted to the catheter 10 while the end 22 is fitted to the expansion tube 12.
  • the insertion end 21 of the adapter 20 penetrates the check valve unit 14, it is possible to prevent backflow of the sap.
  • Figure 6c is a perspective view of a state in which the supply tube 30 is mounted to the mounting unit 26 in accordance with an embodiment of the present invention.
  • the adapter 20 is provided with a mounting unit 26 that can secure one side of the supply tube (30). Therefore, after connecting the supply tube 30, the supply tube 30 can be coupled through the mounting unit 26 in a state in which the supply tube 30 is bent in a U-shape.
  • FIG. 6D illustrates a perspective view and a partially enlarged view of the adapter 20 in FIG. 6B in a detached state.
  • 6E illustrates a perspective view and a partially enlarged view of the adapter 20 according to an embodiment of the present invention mounted on the catheter 10 again.
  • the needle film 11 is detached from the blood vessel, and the new needle film 11 does not need to be re-introduced. Since the backflow of the sap and blood is prevented, after removing the adapter 20 only, another adapter 20 can be mounted and used.
  • the above-described apparatus and method may not be limitedly applied to the configuration and method of the above-described embodiments, but the embodiments may be selectively combined in whole or in part in each of the embodiments so that various modifications may be made. It may be configured.
  • the present invention relates to an infusion set having a function of preventing blood leakage and reflux.

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

Abstract

La présente invention concerne un ensemble de perfusion possédant une fonction de prévention d'une fuite de sang et d'un reflux. Plus particulièrement, la présente invention concerne un ensemble de perfusion possédant une fonction de prévention d'une fuite de sang et d'un reflux comprenant : un cathéter possédant un film d'aiguille qui est introduit dans un vaisseau sanguin d'un patient au moyen d'une unité d'aiguille d'injection de perfusion et qui possède un trou d'injection en son sein, une partie d'expansion disposée au niveau d'une extrémité arrière du film d'aiguille, une unité de clapet de non-retour logée à l'intérieur de la partie d'expansion en vue d'empêcher une fuite de sang ; un adaptateur possédant une extrémité d'insertion traversant l'unité de clapet de non-retour lorsqu'il est logé, une extrémité de montage introduite à demeure dans la partie d'expansion, et un trou creux formé en son sein ; et un tube d'alimentation possédant un côté relié à l'adaptateur et l'autre côté relié à un récipient de solution de perfusion en vue d'alimenter le vaisseau sanguin en solution de perfusion.
PCT/KR2017/012946 2016-11-16 2017-11-15 Ensemble de perfusion possédant une fonction de prévention d'une fuite de sang et d'un reflux WO2018093147A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0152499 2016-11-16
KR1020160152499A KR20180055095A (ko) 2016-11-16 2016-11-16 혈액 누수, 역류방지 기능을 갖는 수액세트

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WO2018093147A1 true WO2018093147A1 (fr) 2018-05-24

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KR102337310B1 (ko) * 2020-01-22 2021-12-08 최근욱 카테터용 수액세트 어뎁터

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200242660Y1 (ko) * 2001-05-23 2001-10-15 우종결 혈액 역류 방지용 체크밸브가 구비된 주사바늘
KR200320341Y1 (ko) * 2003-04-30 2003-07-22 경기의료공업(주) 혈액 역류 방지용 아이브이 카테터
KR100843163B1 (ko) * 2007-04-23 2008-07-02 박상윤 혈액 역류 방지 카테터
KR20120086901A (ko) * 2011-01-27 2012-08-06 (주)메디퍼스트 혈액 역류 방지 카테터
KR101491953B1 (ko) * 2014-07-21 2015-02-11 송재원 스틱인저리와 감염 방지기능을 갖는 수액 주사니들 유닛

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200242660Y1 (ko) * 2001-05-23 2001-10-15 우종결 혈액 역류 방지용 체크밸브가 구비된 주사바늘
KR200320341Y1 (ko) * 2003-04-30 2003-07-22 경기의료공업(주) 혈액 역류 방지용 아이브이 카테터
KR100843163B1 (ko) * 2007-04-23 2008-07-02 박상윤 혈액 역류 방지 카테터
KR20120086901A (ko) * 2011-01-27 2012-08-06 (주)메디퍼스트 혈액 역류 방지 카테터
KR101491953B1 (ko) * 2014-07-21 2015-02-11 송재원 스틱인저리와 감염 방지기능을 갖는 수액 주사니들 유닛

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