WO2022220331A1 - Cathéter à tube intraveineux ayant un dispositif de prévention de reflux sanguin installé dans le raccord - Google Patents

Cathéter à tube intraveineux ayant un dispositif de prévention de reflux sanguin installé dans le raccord Download PDF

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Publication number
WO2022220331A1
WO2022220331A1 PCT/KR2021/007236 KR2021007236W WO2022220331A1 WO 2022220331 A1 WO2022220331 A1 WO 2022220331A1 KR 2021007236 W KR2021007236 W KR 2021007236W WO 2022220331 A1 WO2022220331 A1 WO 2022220331A1
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WO
WIPO (PCT)
Prior art keywords
catheter
hub
tube
backflow prevention
magnet
Prior art date
Application number
PCT/KR2021/007236
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English (en)
Korean (ko)
Inventor
주재욱
주진환
Original Assignee
주재욱
주진환
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Filing date
Publication date
Application filed by 주재욱, 주진환 filed Critical 주재욱
Publication of WO2022220331A1 publication Critical patent/WO2022220331A1/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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0097—Catheters; Hollow probes characterised by the 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A61M39/0693—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof including means for seal penetration
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A61M2039/062—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof used with a catheter

Definitions

  • the present invention relates to an intravenous tube catheter in which a blood backflow prevention device is installed in a hub, and more particularly, it can protect operators and practitioners from infection with viruses or other diseases caused by reflux of blood in a state of being injected or syringe inserted into a patient's body. It relates to an intravenous tube catheter with a blood backflow prevention device installed in a hub designed to protect and maintain intravenous infusion for 3 days.
  • a catheter 600 having a soft needle (610, also called 'zelco') and a hard stainless steel needle (510, aka medical perforation) After inserting the pre-lubricated needle with attached luer 500 with a needle (also referred to as a 'stylet') into the patient's venous blood vessel in a coupled state (FIG. 1 (a)), 2) Pre-lubricated needle - Separates only the lubricated needle with attached luer 500 from the catheter 600, 3) the ISO standard connector 710 and the rubber connector 720 connected to the IV set as shown in FIG.
  • the combined structure is coupled to the catheter 600 to inject the treatment solution into the patient's vein.
  • One aspect of the present invention is to protect the operator and operator from infection of viruses or other diseases due to the reflux of blood in a state where the syringe and catheter are inserted into the patient's body, and at the same time to enable keeping for 3 days during intravenous injection. It is a basic task to provide an intravenous tube catheter with a blood backflow prevention device installed in a designed hub.
  • Another task is to fundamentally block the possibility of secondary infection through the patient's blood even if there is a wound on the operator or the operator's body.
  • Another task is to inject an intravenous fluid to the patient while the catheter is inserted into the patient's vein or to provide only the antibiotic for intravenous injection several times without the fluid injection.
  • the intravenous tube catheter in which the blood backflow prevention device is installed in the hub guides the movement of the needle, which is a stylet penetrating the skin, and at the same time, the catheter tube is inserted into the skin penetrated by the needle. ; a catheter hub supporting the catheter tube; a backflow prevention unit installed inside the catheter hub to prevent the blood flowing into the catheter hub through the catheter tube from flowing backward to the outside of the catheter hub when the needle is separated from the catheter tube; and a magnetic valve formed of a magnetic material and installed on the catheter hub while facing the backflow preventing part, and preventing the blood from moving through the backflow preventing part by opening and closing the backflow preventing part.
  • the tube body is formed in a cylindrical shape corresponding to the shape of the inner space of the catheter hub is installed inside the catheter hub; a tube head gradually extending in a ladder shape from the front end of the tube body; And it may include a rigid adapter is inserted into the tube body.
  • the inner diameter of the tube body may be formed to match the outer diameter of the connector for injection of the treatment fluid inserted into the length and width of the tube head in the shape of the ladder.
  • the inner diameter of the tube body may be formed smaller than the outer diameter of the connector inserted into the inside.
  • the tube body and the tube head may be formed of a rubber material having soft-melting elasticity.
  • the magnetic valve unit, the first magnetic material is formed of a magnetic material forming a magnetic body facing the tube head and installed on one side of the catheter hub; and forming a symmetrical structure with the first magnetic body, and being installed on the other side of the catheter hub while facing the first magnetic body with the tube head interposed therebetween, the surface opposite to the first magnetic body is the first magnetic body It may include;
  • the magnetic valve unit is in close contact with the first magnetic body and the second magnetic body with the tube head interposed therebetween by the attractive force formed between the first magnetic body and the second magnetic body, the inner side of the tube head Close the passage, overcome the attractive force formed between the first magnetic material and the second magnetic material, and the connector is inserted through the inner passage of the tube head. As the gap between the first magnetic material and the second magnetic material increases, the The tube head can be opened.
  • the first magnetic body a first magnet formed in the form of a disc and seated on one side of the catheter hub; and a second magnet formed in a disk shape having a smaller diameter than the first magnet and installed on one surface of the first magnet facing the tube head.
  • the first magnet may be formed to have a diameter of 4 mm and a thickness of 0.5 mm.
  • the second magnet may be formed to have a diameter of 3 mm and a thickness of 0.5 mm, and the first and second mounting holes may be formed to be slightly larger than a diameter of the first magnet.
  • the first magnet and the second magnet may be formed of a permanent magnet.
  • the first magnet may be installed such that 2/3 of the diameter faces the tube head, and the remaining 1/3 of the diameter is exposed to the front end of the tube head.
  • first magnetic body and the second magnetic body are in close contact with each other when closing the inner passage of the tube head to close the front inlet of the tube head, and then the tube head of each first magnet
  • Each shear can be rotated to be closer to each other by 1/3 of the diameter exposed to the shear.
  • the first magnetic material is a first installed around the first magnet and the second magnet in order to prevent rust from occurring in the first magnet and the second magnet by the moisture contained in the blood. It may further include an adhesive drape (Adhesive Drape).
  • the catheter hub, the hub body is formed in a cylindrical shape and the backflow prevention part is installed on the inside; a first seating hole penetrating through one side of the hub body so that the first magnetic body can be seated; a second seating hole penetrating through the other side of the hub body so that the second magnetic body can be seated; and a catheter flange protruding outward along the outside of the rear end of the hub body.
  • the catheter hub, a second adhesive drape (Adhesive Drape) installed to surround the outer surface of the hub body; may further include.
  • a surface on which the second adhesive drape adheres to the first magnetic body may be configured to have no adhesiveness between the magnetic body and the second drape.
  • the catheter hub is a magnet shielding foil installed around the outer surface of the second adhesive drape to block a magnetic field formed from the magnetic valve part (Magnet Shield, aka 'magnetic field shielding foil') '); may further include.
  • the magnet shielding foil may wrap the outer surface of the second adhesive drape in one or two layers.
  • the diameter of the first seating hole may be the same as the diameter of the first magnet or about greater than the diameter of the first magnet.
  • the adapter is inserted and mounted in the catheter hub with an interference fit, and the front end diameter of the adapter is tapered smaller than the rear end diameter, or an angle of 6 degrees from the rear end diameter of the adapter to the front end diameter It may be configured to be tapered.
  • the catheter flange may be configured to be equipped with a non-return cap or a heparin cap, and the non-return cap or the heparin cap is mounted on the catheter flange by rotating it at an angle of 90 degrees or 180 degrees forward and reverse for sealing. It can be configured to
  • the backflow prevention cap may be configured to further include a rubber ring in the backflow prevention cap.
  • the inner shape and inner size of the tube body and the adapter are formed to be the same as the outer shape and outer size of the connector, but the outer diameter of the connect and the tube body and the adapter are in close contact with each other so that the connector is detachable
  • the adapter may be configured to be fixedly inserted within the catheter hub.
  • the catheter is not only prevented from leaking the patient's blood while the catheter is inserted into the patient's body, but also the catheter can be kept for 3 days, so that the operator, patient, beneficiary, etc. are all from various viruses and diseases. It has the effect of improving health by improving the stability of
  • 1 is a view showing a method of using a conventional catheter.
  • FIG. 2 is a diagram showing a schematic configuration of an intravenous tube catheter in which a blood backflow prevention device is installed in a hub according to an embodiment of the present invention.
  • FIG. 3 is a view showing a connection relationship between the catheter hub and the magnetic valve of FIG. 2 .
  • FIG. 4 is a view showing the opening and closing of the backflow prevention unit by the magnetic valve unit of FIG. 2 .
  • FIG. 5 is a view showing a backflow preventing unit of FIG. 2 .
  • FIG. 2 is a diagram showing a schematic configuration of an intravenous tube catheter in which a blood backflow prevention device is installed in a hub according to an embodiment of the present invention.
  • the intravenous tube catheter 10 in which the blood backflow prevention device is installed in the hub includes a gelcoin catheter tube 100 , a catheter hub 200 , and a backflow prevention unit 300 . ) and a magnetic valve unit 400 .
  • the catheter tube 100 is formed in the form of a gelcoin soft ( ⁇ , Soft-Melting) tube, and is a stylet of the needle unit 500, which is an ISO standard perforating needle that penetrates the skin through the inner space 110. While guiding the movement of the needle 510 (refer to FIG. 1), it is inserted into the skin penetrated by the needle 510, which is a stylet, and guides the treatment solution injected into the patient's vein into the vein, and the catheter hub 200 ) is supported by
  • the catheter hub 200 supports the catheter tube 100 and the backflow prevention part 300 is installed on the inside, so that the connector 710 of the infusion set of the ISO standard can be inserted.
  • the catheter hub 200 may include a hub body 210 , a first mounting hole 220 , a second mounting hole 230 , and a catheter flange 240 .
  • the hub body 210 is formed in an ISO standard cylindrical shape, the backflow prevention part 300 is installed in the inner space, and the first seating hole 220 and the second seating hole 230 on one side and the other side. this is formed
  • the first seating hole 220 is formed to pass through one side of the hub body 210 so that the first magnetic body 410 can be seated while facing the second seating hole 230 .
  • the second seating hole 230 is formed to pass through the other side of the hub body 210 so that the second magnetic body 420 can be seated while facing the first seating hole 220 .
  • the catheter flange 240 is formed to protrude outward along the outside of the rear end of the hub body 210 to prevent the connector 710 from being inserted to a certain depth or more.
  • the catheter hub 200 having the configuration as described above may further include a second adhesive drape 250 (Adhesive Drape) and a magnet shield 260 (Magnet Shield).
  • Adhesive Drape Adhesive Drape
  • magnet shield 260 Magnetic Shield
  • the second adhesive drape 250 is installed to surround the outer surface of the hub body 210 .
  • the magnetic shielding foil 260 (Magnet Shielding foil) blocks the magnetic field formed from the magnetic valve unit 400 so as to minimize or eliminate the influence of the magnetic field on medical equipment affected by the magnetic field, such as MRI.
  • the second adhesive drape 250 is installed and wrapped around the outer surface.
  • the magnet shield 260 may wrap the outer surface of the second adhesive drape 250 in one or two layers.
  • the backflow preventing unit 300 may be configured to include a hard adapter 330 , and the adapter 330 may be inserted into the backflow preventing unit 300 made of an elastic rubber material. .
  • One end of the adapter 330 is configured to form a taper (in one embodiment, an angle of 6 degrees) at an angle corresponding to the inner diameter of the backflow prevention part 300 of the elastic rubber, and the other end of the adapter is the backflow prevention part It may be configured to form the adapter flange portion 340 identical to the outer diameter of 300 .
  • One end of the adapter 330 is configured to form a taper (in one embodiment, an angle of 6 degrees) at a predetermined angle corresponding to the inner diameter of the backflow prevention part 300 of the elastic rubber, and the other end of the adapter is the backflow prevention part 300 It may be configured to form the adapter flange portion 340 identical to the outer diameter of 300 .
  • the adapter 330 may be configured to be mounted with an interference fit into the catheter hub 200 . Due to this, the adapter 320 is not artificially separated from the catheter hub 200 .
  • Backflow prevention unit 300 when the gel coin needle 610 is separated from the catheter tube 100, the blood flowing into the catheter hub 200 through the catheter tube 100 backflow to the outside of the catheter hub 200 It is installed inside the catheter hub 200 to prevent leakage, and the inlet formed at the front end of the backflow prevention part 300 is opened and closed by the magnetic valve part 400 to be described later.
  • the magnetic valve unit 400 is formed of a material that forms magnetism (eg, a permanent magnet, etc.) and is installed in the catheter hub 200 while facing the backflow prevention part 300 , and the backflow prevention part 300 is installed in the catheter hub 200 . It opens and closes to prevent backflow of blood to the outside through the backflow prevention unit 300 .
  • magnetism eg, a permanent magnet, etc.
  • the magnetic valve unit 400 may include a first magnetic body 410 and a second magnetic body 420 .
  • the first magnetic body 410 forms a symmetrical structure with the second magnetic body 420, is formed of a magnetic material, and faces the tube head 320 (see FIG. 5) while facing one side of the catheter hub 200, That is, it is mounted and installed in the first mounting hole 220 .
  • the second magnetic body 420 forms a symmetrical structure with the first magnetic body 410 and faces the first magnetic body 410 with the tube head 320 interposed therebetween and the other side of the catheter hub 200, that is, the second 2 is seated and installed in the mounting hole 230 , and a surface opposite to the first magnetic material 410 is formed of a material that forms a magnetism having a polarity opposite to that of the opposite surface of the first magnetic material 410 .
  • a heparin cap (reference numeral not shown) is inserted into the catheter flange 240 formed at the rear end of the catheter hub 200 by 90 degrees to 180 degrees forward and reverse rotation so that the heparin cap can be detachably configured. For this reason, antibiotics, cell lines, etc. injections can be injected into the patient's body into the heparin cap (not shown) mounted on the catheter flange 240 .
  • a method of using the intravenous tube catheter 10 in which the blood backflow prevention device is installed in the hub according to an embodiment of the present invention having the configuration as described above is as follows.
  • a Pre-lubricated needle with attached luer 500 having a hard stainless steel needle 510 is inserted into the venous blood vessel of the patient while the catheter tube 100 and the catheter hub 200 are coupled, 2 ) The pre-lubricated needle with attached luer only separates the 500, 3) At this time, the tube head 320 of the backflow prevention unit 300 is blocked by the magnetic valve unit 400 so that blood flows into the catheter hub 200 The leakage to the outside is blocked, 4) the structure in which the ISO standard connector 710 and the rubber connector 720 are combined is inserted to the end of the backflow prevention part 300, 5) the connector 710 is inserted The treatment liquid is injected into the patient's vein using the Again, the backflow prevention unit 300 is blocked by the magnetic valve unit 400 to prevent the blood from leaking to the outside of the catheter hub 200 8) Next, a connector 710 and a rubber of another ISO standard Another treatment fluid is injected into the patient's vein using the connector 720 coupled structure.
  • heparin cap or anti-reflux cap (not shown) is used when only antibiotics are given without an infusion prescription, or when all the prescribed fluids are received today, or when the patient goes out.
  • a heparin cap into the catheter flange 240, it is possible to double prevent the patient's blood from refluxing and leaking.
  • a rubber sealing member (not shown) may be further included to prevent blood leakage inside the catheter hub.
  • the intravenous tube catheter 10 in which the blood backflow prevention device is installed in the hub according to an embodiment of the present invention having the configuration as described above can be kept for 3 days while being inserted into the patient's body, so that various viruses and It can improve health by improving the safety of all operators, patients, and beneficiaries from disease, and prevent infection due to blood leakage by preventing blood leakage from the catheter.
  • FIG. 3 is a view showing a connection relationship between the catheter hub and the magnetic valve of FIG. 2 .
  • the first magnetic body 410 includes a first magnet 411 and a second magnet 412 .
  • the second magnetic body 420 is a configuration that forms a symmetrical structure with the first magnetic body 410, which will be described later, and includes the first magnet 411 and the second magnet 412 of the first magnetic body 410. As can be equally applied, the description will be omitted to avoid duplication of description.
  • the first magnet 411 is formed in the form of a disk and is installed on one side of the catheter hub 200 , that is, the first seating hole 220 , and the second magnet 412 is installed on one surface.
  • first and second seating holes may be formed to be slightly larger than the diameter of the first magnet, and the first magnet may be configured to be larger than the diameter of the second magnet.
  • the diameter of the first mounting hole 220 may be the same as the diameter of the first magnet 411 so that the first magnet 411 can be seated.
  • the first magnet 411 may be formed to have a diameter of 4 mm and a thickness of 0.5 mm.
  • the second magnet 412 is formed in a disk shape having a smaller diameter than the first magnet 411 and is installed on one surface of the first magnet 411 facing the tube head 320 .
  • the second magnet 412 may be formed to have a diameter of 3 mm, which is smaller than that of the first magnet 411 , and a thickness of 0.5 mm.
  • the first magnet 411 and the second magnet 412 may be formed of a permanent magnet.
  • the front end of the tube head 320 may be configured to remain normally closed.
  • the first magnet 411 may be installed such that 2/3 of the diameter faces the tube head 320 , and the remaining 1/3 of the diameter is exposed to the front end of the tube head 320 .
  • the first magnetic body 410 and the second magnetic body 420 are in close contact with each other to further strengthen the state in which the front end inlet of the tube head 320 is closed. Prevents the front end of the tube head 320 from being opened due to the pressure increase of Each front end can be rotated to be close to each other by 3 (in the case of (b) of FIG. 4).
  • the first magnetic material 410 having the above-described configuration may further include a first adhesive drape 413 (Adhesive Drape).
  • the first adhesive drape 413 (Adhesive Drape) is separated from the first seating hole 220 while preventing rust from occurring in the first magnet 411 and the second magnet 412 due to moisture contained in blood.
  • the first magnet 411 and the second magnet 412 are wrapped around and installed in order to prevent it from happening.
  • the magnetic valve unit 400 having the configuration as described above, the first magnetic body 410 and the second magnetic body 420 by the attractive force formed between the first magnetic body 410 and the second magnetic body 420 is a tube Close the inner passage of the tube head 320 with the head 320 interposed therebetween (FIG. 4 (b)), overcome the attractive force formed between the first magnetic body 410 and the second magnetic body 420, and As the connector 710 is inserted through the inner passage of the tube head 320 and the gap between the first magnetic body 410 and the second magnetic body 420 is widened, the tube head 320 may be opened (FIG. 4). of (a)).
  • FIG. 5 is a view showing a backflow preventing unit of FIG. 2 .
  • the backflow prevention unit 300 includes a tube body 310 , a tube head 320 and an adapter 330 , and the rear end of the adapter 330 may constitute an adapter flange 340 .
  • the backflow prevention unit 300 may be inserted and mounted with an interference fit in the catheter hub 200, and the backflow prevention unit 300 may be configured to be artificially difficult to attach and detach from the catheter hub 200.
  • the adapter The ISO standard connector 710 may be inserted into the 330 .
  • the adapter may be tapered at an angle of 6 degrees from the rear end diameter to the front end diameter of the adapter
  • the catheter flange may be configured to be equipped with a backflow prevention cap or a heparin cap
  • the backflow prevention cap or the heparin cap may be the catheter flange It is configured to be mounted and sealed by rotating forward and reverse at an angle of 90 degrees or 180 degrees
  • the anti-return cap further includes a rubber ring in the anti-return cap.
  • the inner shape and inner size of the tube body and the adapter are formed to be the same as the outer shape and outer size of the connector.
  • the adapter may be configured to be fixedly inserted within.
  • the tube body 310 is formed in a cylindrical shape corresponding to the shape of the inner space of the catheter hub 200 and is installed inside the catheter hub 200, and the tube head 320 is formed at the front end.
  • the tube head 320 is formed to extend from the front end of the tube body 310 in the form of a ladder.
  • the inner diameter of the tube body 310 may be formed to be the same as the outer diameter of the connector 710 for injection of the treatment liquid of the tube head (320).
  • the inner diameter of the tube body 310 may be formed to be smaller than the outer diameter of the connector 710 inserted inwardly so that the connector 710 inserted therein can be inserted in close contact.
  • the tube body 310 and the tube head 320 may be formed of a rubber material having soft-melting elasticity.
  • the present invention not only prevents the blood leakage of the patient while the catheter is inserted into the patient's body, but also provides the safety of the operator and the patient from various viruses and diseases by keeping the catheter for 3 days. It is an invention that has industrial applicability because it has sufficient commercial and commercial potential in the market applied to catheters with syringes in general hospitals in a new way that goes beyond that and can be practically and clearly implemented.

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

Abstract

La présente invention concerne un cathéter à tube intraveineux ayant un dispositif de prévention de reflux sanguin installé dans un raccord, le cathéter étant conçu pour protéger un chirurgien et un opérateur d'une infection par des virus ou d'autres maladies dues au reflux du sang tout en étant inséré dans le corps d'un patient, et peut être maintenu en place pendant trois jours. Le cathéter à tube intraveineux comprend : un tube de cathéter qui guide le mouvement d'une aiguille d'une unité d'aiguille pénétrant dans la peau, et est inséré dans la peau pénétrée par l'aiguille; un raccord de cathéter pour supporter le tube de cathéter; une unité de prévention de reflux qui est installée à l'intérieur du raccord de cathéter de façon à empêcher le sang s'écoulant dans le raccord de cathéter à travers le tube de cathéter de refluer à l'extérieur du raccord de cathéter lorsque l'aiguille est séparée du tube de cathéter; et une unité de vanne magnétique qui est formée d'un matériau magnétique et installée sur le raccord de cathéter tout en faisant face à l'unité de prévention de reflux, et ouvre et ferme l'unité de prévention de reflux pour empêcher le sang de se déplacer à travers l'unité de prévention de reflux.
PCT/KR2021/007236 2021-04-12 2021-06-10 Cathéter à tube intraveineux ayant un dispositif de prévention de reflux sanguin installé dans le raccord WO2022220331A1 (fr)

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KR1020210046892A KR102257215B1 (ko) 2021-04-12 2021-04-12 허브내에 혈액역류방지 장치가 설치된 정맥용 튜브 카테터
KR10-2021-0046892 2021-04-12

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KR102257215B1 (ko) * 2021-04-12 2021-05-27 주재욱 허브내에 혈액역류방지 장치가 설치된 정맥용 튜브 카테터

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07148270A (ja) * 1993-09-28 1995-06-13 Critikon Inc カテーテル導入アセンブリとその改良方法
US20010053895A1 (en) * 2000-06-15 2001-12-20 Vaillancourt Vincent L. Bloodless catheter
KR200320341Y1 (ko) * 2003-04-30 2003-07-22 경기의료공업(주) 혈액 역류 방지용 아이브이 카테터
KR20130059439A (ko) * 2006-11-03 2013-06-05 베. 브라운 멜중엔 악티엔게젤샤프트 카테터 조립체 및 그 구성요소들
KR20200038634A (ko) * 2018-10-04 2020-04-14 김준혁 카테터 어셈블리
KR102257215B1 (ko) * 2021-04-12 2021-05-27 주재욱 허브내에 혈액역류방지 장치가 설치된 정맥용 튜브 카테터

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07148270A (ja) * 1993-09-28 1995-06-13 Critikon Inc カテーテル導入アセンブリとその改良方法
US20010053895A1 (en) * 2000-06-15 2001-12-20 Vaillancourt Vincent L. Bloodless catheter
KR200320341Y1 (ko) * 2003-04-30 2003-07-22 경기의료공업(주) 혈액 역류 방지용 아이브이 카테터
KR20130059439A (ko) * 2006-11-03 2013-06-05 베. 브라운 멜중엔 악티엔게젤샤프트 카테터 조립체 및 그 구성요소들
KR20200038634A (ko) * 2018-10-04 2020-04-14 김준혁 카테터 어셈블리
KR102257215B1 (ko) * 2021-04-12 2021-05-27 주재욱 허브내에 혈액역류방지 장치가 설치된 정맥용 튜브 카테터

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