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WO2021096019A1 - Cathéter pour injection intraveineuse - Google Patents

Cathéter pour injection intraveineuse Download PDF

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Publication number
WO2021096019A1
WO2021096019A1 PCT/KR2020/008693 KR2020008693W WO2021096019A1 WO 2021096019 A1 WO2021096019 A1 WO 2021096019A1 KR 2020008693 W KR2020008693 W KR 2020008693W WO 2021096019 A1 WO2021096019 A1 WO 2021096019A1
Authority
WO
WIPO (PCT)
Prior art keywords
injection
catheter
protrusion
hole
needle
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2020/008693
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English (en)
Korean (ko)
Inventor
방대희
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from KR1020190145587A external-priority patent/KR102118833B1/ko
Priority claimed from KR1020200035012A external-priority patent/KR102370061B1/ko
Application filed by Individual filed Critical Individual
Publication of WO2021096019A1 publication Critical patent/WO2021096019A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • A61M39/10—Tube connectors; Tube couplings
    • 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
    • A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on 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
    • A61M5/42—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 having means for desensitising skin, for protruding skin to facilitate piercing, or for locating point where body is to be pierced

Definitions

  • the present invention stabilizes the use of a catheter used when injecting a patient's intravenous fluid or injection solution, thereby minimizing patient discomfort due to mistakes by medical personnel and at the same time preventing accidental infection in the medical field. It relates to the catheter used.
  • an injection solution prescribed to a patient to be treated and a ningel solution for supplying nutrition are supplied to the human body through a patient's venous blood vessel, and in this case, a catheter for intravenous injection through the patient's vein is used.
  • a catheter for intravenous infusion To use a catheter for intravenous infusion through the patient's vein, insert a catheter with an injection needle into the blood vessel, and then press the needle tube of the catheter inserted into the blood vessel with your finger so that it does not come out of the blood vessel and blood does not flow out to the catheter. While taking measures to prevent it, the infusion pipe or needle was connected to the catheter.
  • a needle socket for vascular injection that can minimize patient discomfort and minimize the risk of infection for medical personnel that may occur when using fluids, injections, etc., which can prevent infection in advance, is disclosed in Korean Patent Application Publication No. 10-2004-0007850. It has been proposed under the issue (hereinafter referred to as the'pre-development name').
  • Patent Document 1 KR Patent Publication 10-2004-0007850 (published on January 28, 2004)
  • the present invention makes it easy to connect a fluid supply pipe to the catheter when handling a catheter for intravenous infusion, and to stabilize and facilitate the removal of the needle bar of the vascular injection body after the intravascular insertion of the infusion catheter through the patient's vein,
  • the aim is to minimize patient discomfort due to mistakes made by medical personnel with low skill levels, and to prevent contamination by blood leakage and infection by needle sticks in the medical field.
  • the present invention provides a cap portion having a coupling hole formed at one end for inserting a supply pipe of Ringer's solution, and having a flexible needle tube bent in the longitudinal direction at the other end;
  • a guide protrusion protruding from the outer surface of the cap portion and guiding the needle rod for insertion of blood into the entrance of the needle tube through the injection needle hole formed therein to allow the needle tube and the needle rod for insertion of blood to be inserted into the blood vessel;
  • the guide protrusion includes an induction rod protruding obliquely from an outer surface of the cap portion, an injection needle hole formed so that an injection needle rod is inserted from one end of the guidance rod to the inlet side of the needle tube, and elasticity It is preferable to form a vial cap that is installed on the surface of the guide rod as a material and blocks the entrance of the injection needle hole through which the injection needle rod enters and exits by the characteristics of the material.
  • the support protrusion has a protrusion formed on the outer surface of the cap part, and is obliquely protruded at a position opposite to the guide protrusion, and a blocking force for preventing the cap part from being pushed on the protrusion surface. It is preferable to configure the pressing surface to be formed to provide a.
  • the support protrusion includes a slip piece in which a pressing surface formed to prevent push of the cap part is formed concave, and the pressing surface is made of a silicon material and has several protrusions protruding so as to increase the surface friction area. It is desirable to configure.
  • a pressure stopper for injecting a heterogeneous injection solution is installed on the surface of the protrusion, a protective paper that is removed during injection of a heterogeneous injection solution is attached to the surface of the pressure stopper, and is coupled to the pressure stopper to the bottom of the pressure stopper.
  • a protective hole may be formed, an induction head into which a needle for injection of a heterogeneous injection solution is inserted may be formed in the protective hole, and a scanning hole may be formed between the induction head and the protrusion and obliquely connected to the coupling hole of the cap portion.
  • a sealing cap is provided on the induction head of the protection hole with the bottom surface of the pressure stopper to block water leakage from the injection hole.
  • the injection needle hole and the injection hole are formed in the guide protrusion and the support protrusion protruding from the outer surface of the cap unit, and are formed within an acute angle range with respect to the vertical axis of the cap unit. It is preferable to incline within a range of 50 angles, wherein the inclination angle of the injection needle hole is directed toward the inlet of the needle tube, and the inclination angle of the injection hole is formed toward the upper space of the inlet of the needle tube.
  • the injection needle hole is configured to form an induction hole having a funnel shape at a position where the vial cap is coupled.
  • the fluid supply tube be easily connected to the infusion catheter, but also the injection needle bar of the blood vessel injection body is removed after the intravascular insertion of the infusion catheter By making it easy and stable, it has the effect of preventing mistakes made by medical personnel with low skill levels.
  • the present invention has the advantage of having a rapid injection solution administration effect to a patient by injecting a heterogeneous injection solution into a position close to a needle tube inserted into a vein in a state in which the intravenous solution injection is performed.
  • FIG. 1 is a perspective view of a catheter to which the present invention is applied.
  • Figure 2 is a cross-sectional view showing the internal structure of the catheter to which the present invention is applied.
  • Figure 3 is an enlarged cross-sectional view of the internal structure of the catheter of the present invention.
  • Figure 4 is a cross-sectional view of a state in which the blood vessel injection body is coupled to the catheter of the present invention.
  • Figure 5 is a cross-sectional view of an embodiment in which a blood vessel injection body is coupled to the catheter of the present invention.
  • FIG. 6 is a cross-sectional view showing the interior of the catheter by crossing the upper part of the coupling hole of the present invention.
  • Figure 7 is a perspective view showing another embodiment of the catheter support protrusion to which the present invention is applied.
  • Figure 8 is a cross-sectional view showing the internal structure of another embodiment of the catheter support protrusion to which the present invention is applied.
  • FIG. 9 is a cross-sectional view of a state in which a blood vessel injection body is coupled to another embodiment of a catheter support protrusion to which the present invention is applied.
  • Figure 10 is an exemplary embodiment of a heterogeneous injection of another embodiment of a catheter support protrusion to which the present invention is applied.
  • FIG. 11 is a state diagram in which a heterogeneous injection solution is injected into another embodiment of the catheter support protrusion to which the present invention is applied.
  • FIG. 12 is a plan view of a catheter to which another embodiment of the catheter support protrusion to which the present invention is applied is applied.
  • FIG. 1 is a perspective view of a catheter to which the present invention is applied
  • FIG. 2 is a cross-sectional view showing the internal structure of the catheter to which the present invention is applied
  • FIG. 3 is an enlarged cross-sectional view of the internal structure of the catheter of the present invention.
  • the catheter 100 of the present invention is a medical tool basically handled by medical staff and medical workers in order to implement a prescription in which a glucose solution is injected into the body through a patient's venous blood vessels, and is connected to a glucose solution pack, and is injected into a venous blood vessel.
  • the cap portion 200 for doing so is formed.
  • the cap part 200 has a coupling hole 210 for connecting the infusion supply pipe 90 of the glucose solution pack to be described later on one side of the cap part 200.
  • the glucose solution is discharged to the venous blood vessel side by the state in which the infusion supply pipe 90 is coupled to the coupling hole 210.
  • the infusion supply pipe 90 and the coupling hole 210 are preferably formed in a conical shape to facilitate coupling and separation, so that insertion and separation are easy and the contact cross-sectional area is increased.
  • a needle tube 230 made of a material and structure that is flexible to bend in consideration of safety for handling by medical staff and of a suitable diameter and length to be inserted into the venous blood vessels of the body is integrated. Is formed by
  • the needle tube 230 Since the needle tube 230 is flexible in bending, it cannot be inserted into a venous blood vessel with its own physical properties, so a structure in which the vascular injection body 500 made of metal is assembled to the catheter 500 is applied. .
  • the needle tube 230 can be inserted into the blood vessel only when the end of the injection needle bar 530 of the blood vessel injection body 500 coupled to the cap part 210 is exposed through the needle tube 230. have.
  • the guide protrusion 300 for coupling the injection needle bar 530 of the blood vessel injection body 500 to the outer surface of the cap part 200 of the catheter 100 of the present invention as shown in FIGS. 4 to 6 is formed. .
  • the guide protrusion 300 obliquely protruding from the outer surface of the cap part 200 induces the injection needle bar 530 of the blood vessel injection body 500 to be inserted into the cap part 200 from the outside of the cap part 200
  • An injection needle that induces insertion of the stem 310 and the injection needle bar 530 of the blood vessel injection body 500 inserted into the needle tube 230 into the needle tube 230 side of the cap part 200 A hole 330 is provided.
  • the vial cap 350 made of an elastic material is formed on the surface of the guide table 310 on which the injection needle hole 330 is formed, that is, at the entrance of the injection needle hole 310.
  • the injection needle hole 330 of the guide table 310 has a central axis of which the coupling hole 210 of the cap part 200 and Since it meets in a state inclined with respect to the central axis of the needle tube 230, it is required to form an acute angle range so that the central axis of the needle tube 230 and the central axis of the injection needle hole 330 intersect. It is preferable that the angle of inclination is formed at an angle of 30 to 50 degrees within the acute angle range.
  • the inclination angle of the injection needle hole 330 as described above meets the inlet 220 of the needle tube 230 formed integrally with the coupling hole 210 of the cap part 200.
  • the needle bar 530 of the blood vessel injection body 500 entering through the injection needle hole 330 is the entrance of the needle tube 230 As it contacts the funnel shape of 220, it is bent and enters the needle tube 230 side.
  • the support protrusion 400 for preventing the catheter 100 from moving by the pulling force is formed.
  • the support protrusion 400 is formed on the outer surface of the cap part 200, but is formed of a protrusion 410 that protrudes to a size suitable for pressing with a thumb at a position opposite to the guide protrusion 300 do.
  • the surface of the protrusion 410 is formed to be inclined toward the needle tube 230 so that the direction of the force acts toward the needle tube 230.
  • the protrusion 410 is formed to protrude obliquely toward the needle tube 230 so that the other side of the protrusion 410 prevents the cap part 200 from being pushed when the injection needle bar 530 of the blood vessel injection body 500 is removed.
  • a pressing surface 425 that can provide a stopping force for is formed.
  • the pressing surface 425 formed to prevent the push of the cap part 200 is preferably formed to be concave, and the concave surface of the pressing surface 425 is made of a silicon material, and several protrusions ( The slip piece 450 protruding from the 452 is provided.
  • the inclination angle is preferably formed at an angle of 30 to 50 within the same acute angle range as the guide protrusion 300.
  • the surface of the protrusion 410 can provide a blocking force opposite to the direction of removal of the vascular injection body 500, as well as heterogeneous in the process of administering fluid to the venous blood vessel. Since the necessity to quickly inject the injection solution into the patient often arises, there is a need for a means to rapidly inject the xenoinjection solution into the patient in this case.
  • a protective hole 420 through which a different injection solution can be injected is formed on the surface of the protrusion 410, and a scanning hole leading to the coupling hole 210 of the cap part 200 in the interior of the protrusion 410 Let 423 be formed.
  • the induction head 421 protruding from the protection hole 420 is in a state of being blocked.
  • a pressure stopper 430 that can provide a blocking force for preventing the cap part 200 from being pushed is coupled to the protection hole 420.
  • the pressure stopper 430 is preferably made of a rubber material or silicone material to have water resistance and elasticity, a sealing cap 432 is provided that is attached to the protection hole 420 and is covered while enclosing the induction head 421. do.
  • the pressure stopper 430 Since the pressure stopper 430 has a frictional force due to material characteristics, it is very good to provide a blocking force to the surface of the pressure stopper 430 when the injection needle bar 530 of the blood vessel injection body 500 is removed.
  • the sealing cap 432 wraps the induction head 421 with the elastic force of the material and is in close contact with the induction head 421 pierced by a needle of a heterogeneous syringe 600 to be described later. The fluid will not leak.
  • the scanning hole 423 in forming the scanning hole 423 to reach the coupling hole 210 of the cap part 200 from the pressure stopper 430, it is formed at an angle of 30 to 50 within the same acute angle range as the guide protrusion 300. This is desirable.
  • the axis of the scanning hole 423 crosses the vertical axis of the cap part 200 within an acute angle range, it crosses at the lower end of the coupling hole 210, that is, the upper space 220a of the needle tube inlet 220. Let it be.
  • the protective paper 440 is attached to the surface of the pressure stopper 430 coupled to the protection hole 420 to prevent contamination of the pressure stopper 430, the surface of the pressure stopper 430 is normally covered.
  • the surface of the pressure stopper 430 is protected from dust, splashes, and bacteria, and when using the heterogeneous syringe 600, the needle of the heterogeneous syringe 600 enters through the surface by separating the protective paper 440 from the pressure stopper 430 It can be allowed to enter into an uncontaminated state.
  • the catheter 100 of the present invention In order to use the catheter 100 of the present invention, first, by inserting the injection needle bar 530 of the blood vessel injection body 500 into the vial cap 350 provided on the guide protrusion 300 of the cap portion 200, When the injection needle bar 530 of the blood vessel injection body 500 enters inclined along the injection needle hole 330 through the vial cap 350, the inlet 220 of the needle tube 230 of the cap part 200 Upon reaching, the end of the injection needle bar 530 of the blood vessel injection body 500 enters into the needle tube 230 while flexing flexibly when contacted at the needle tube inlet 220.
  • the injection needle bar 530 of the blood vessel injection body 500 is a metallic material, a hollow tube with a diameter of 0.4 to 0.5 mm, and a thin injection needle with a length of 35 to 40 mm. It is enough to bend and enter into the inlet 220 of the needle tube 230.
  • the injection needle bar 530 of the blood vessel injection body 500 enters the inside of the needle tube 230 of the cap part 200, and the injection needle bar 530 protrudes 2 to 3 mm from the end of the needle tube 230
  • the infusion supply pipe 90 of the glucose infusion pack is inserted into the coupling hole 210 of the cap part 200 to be connected, and then the infusion solution is supplied to the needle tube 230 through the coupling hole 210. After confirming, the infusion supply pipe 90 is blocked.
  • the needle tube 230 is also inserted into the venous blood vessel.
  • the fluid flows into the body through the patient's venous blood vessels by releasing the blocked fluid supply tube 90 If possible, the injection needle bar 530 of the blood vessel injection body 500 should be removed from the cap part 200.
  • the medical staff or the medical personnel may touch the outer surface of the cap part 200 of the catheter 100 with one hand. While pressing the thumb in contact with the pressing surface 425 of the support protrusion 400 in the pressed state, hold the body 510 of the blood vessel injector 500 with the other hand, and hold the injection needle bar of the blood vessel injector 500 ( Pull 530) in the opposite direction to the insertion.
  • the injection needle bar 530 of the blood vessel injection body 500 in a state in which a force corresponding to the force required to extract the blood vessel injection body 500 is naturally applied to the support protrusion 400 of the cap part 200 Is removed from the cap part 200 by exiting from the needle tube 230 and the injection needle hole 330 of the guide protrusion 300.
  • the vial cap 350 installed at the entrance of the injection needle hole 330 of the guide protrusion 300 may be Since the place where the injection needle bar 530 exits is closed, a blood backflow phenomenon does not occur toward the inlet side of the needle tube 220 including the injection needle hole 330.
  • the needle tube 230 Is not separated from the venous blood vessel, so the phenomenon that blood is not leaked to the outside of the body due to the separation of the needle tube from the blood vessel also occurs.
  • the slip piece 450 provided on the surface 425 has a high contact property due to the characteristic of a silicon material, so that it does not slip and maintains a stable pressed state.
  • the plurality of protrusions 452 protruding to the surface of the slip piece 450 maximizes the contact state with the thumb so that the optimum pressing state is maintained.
  • the injection needle bar 530 of the blood vessel injection body 500 is separated from the guide protrusion 300 of the car cap part 200, and the needle tube 230 is inserted into the venous blood vessel.
  • the glucose solution is supplied from the glucose solution pack into the venous blood vessel through the infusion supply pipe 90, the coupling hole 210, and the needle tube 230.
  • the medical staff or medical personnel adjusts a supply control valve (not shown) provided in the infusion supply pipe to block the supply of the infusion solution.
  • a supply control valve not shown
  • xeno-injection solutions are usually used for the purpose of treatment and recovery of the patient. It is commonly administered in fluids.
  • heterogeneous injection solution When a heterogeneous injection solution is administered into the infusion solution, it is slowly injected into the blood vessel along with the solution, so it takes a lot of time to expect a medicinal effect.Thus, through the present invention, the heterogeneous injection solution is injected into the needle tube inlet 230 of the catheter 100 to have a medicinal effect. It becomes possible to speed up the reaction rate of.
  • the protective paper 440 attached to the surface of the pressure stopper 430 of the support protrusion 400 is removed, and the needle of the heterogeneous syringe 600 is pierced through the surface of the pressure stopper 430 to penetrate the guide head 421
  • the needle enters into the injection hole 423, and the end faces toward the coupling hole 210 of the cap part 200 or reaches within the coupling hole 210 according to the needle length of the heterogeneous syringe 600.
  • the heterogeneous injection solution is operated to flow into the coupling hole 210 side, the heterogeneous syringe 600 is in a state of being mixed with the sap in the coupling hole 210.
  • the heterogeneous injection solution flows into the upper space 220a of the needle tube inlet 220 with respect to the vertical axis of the injection hole 423 with respect to the vertical axis of the coupling hole 210, the inflow into the blood vessel is quickly made within the shortest time.
  • the heterogeneous injection solution since the injection of the heterogeneous injection solution is performed in a state in which the protective paper 440 attached to the surface of the pressure stopper 430 is removed, the heterogeneous injection solution can be injected without fear of contamination.
  • the guide protrusion 300 may be used to perform a function of providing a blocking force for preventing the cap unit 200 from being pushed.
  • a heterogeneous injection solution is administered through the support protrusion 400 of the catheter 100 to which the present invention is applied, but in the present invention, the injection needle hole 330 of the guide protrusion 300 and Not only can it be performed through the two injection holes 423 of the support protrusion 400, but also can be performed simultaneously in the two injection needle holes 330 and the injection holes 423.
  • catheter 200 cap portion 210: coupling hole
  • needle tube inlet 220a upper space 230: needle tube
  • injection hole 425 pressure surface 430: pressure stopper
  • sealing cap 440 protective paper 450: slip piece
  • Doljo 500 blood vessel injection 510: body
  • needle rod 600 heterogeneous syringe
  • the fluid supply tube when the supply of fluid through an intravenous injection needle inserted into the vein tube is required, the fluid supply tube can be easily connected to the infusion catheter, and after the intravascular insertion of the infusion catheter, the injection needle bar of the blood vessel injection body can be removed. By making it easy and stable, it is possible to prevent mistakes made by less skilled medical personnel.
  • the injection solution can be rapidly administered to a patient by injecting the xenoinjection solution into a position close to the needle tube inserted into the vein in the state in which the intravenous solution is injected.

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

Abstract

La présente invention concerne un cathéter pour injection intraveineuse, comprenant : une partie de capuchon comportant, à une de ses extrémités, un trou de raccordement dans lequel un tube d'alimentation en solution de Ringer doit être inséré, et comportant, à son autre extrémité, un tube d'aiguille se courbe de manière flexible ; une partie de guidage en saillie dépassant de la surface extérieure de la partie de capuchon de façon à guider de manière inclinée une tige d'aiguille d'injection pour insertion dans un vaisseau sanguin, au moyen d'un trou d'aiguille d'injection formé dans la partie de guidage en saillie, vers l'entrée du tube d'aiguille traversant la partie de capuchon, de sorte que le tube d'aiguille et la tige d'aiguille d'injection sont insérés dans un vaisseau sanguin ; et une partie de support en saillie dépassant d'une autre surface extérieure de la partie de capuchon et entrant avec une force de poussée contraire dans la direction inverse du retrait de la tige de l'aiguille d'injection pour insertion dans un vaisseau sanguin. Selon la présente invention, un conduit d'alimentation en solution peut être facilement raccordé à un cathéter pour injection intraveineuse dans la veine d'un patient, et après l'insertion du cathéter pour injection intraveineuse dans un vaisseau sanguin, une tige d'aiguille d'injection d'un corps d'injection de vaisseau sanguin peut être retirée facilement et de manière stable, et deux types d'injections peuvent être directement injectés dans un cathéter pour injection intraveineuse de telle sorte que les réactions médicamenteuses sont rapidement administrées au patient.
PCT/KR2020/008693 2019-11-14 2020-07-02 Cathéter pour injection intraveineuse Ceased WO2021096019A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2019-0145587 2019-11-14
KR1020190145587A KR102118833B1 (ko) 2019-11-14 2019-11-14 수액주사용 카테터
KR10-2020-0035012 2020-03-23
KR1020200035012A KR102370061B1 (ko) 2020-03-23 2020-03-23 수액주사용 카테터

Publications (1)

Publication Number Publication Date
WO2021096019A1 true WO2021096019A1 (fr) 2021-05-20

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PCT/KR2020/008693 Ceased WO2021096019A1 (fr) 2019-11-14 2020-07-02 Cathéter pour injection intraveineuse

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904240A (en) * 1988-06-09 1990-02-27 Hoover Rocklin L Method and apparatus for starting intravenous solutions
KR200256333Y1 (ko) * 2001-08-31 2001-12-24 유원식 혈관 주사용 바늘 어셈블리
JP2007275191A (ja) * 2006-04-04 2007-10-25 Nemoto Kyorindo:Kk カテーテル導入用具およびそれを使用する薬液注入装置
KR20080011013A (ko) * 2006-07-27 2008-01-31 벡톤 디킨슨 앤드 컴퍼니 안전 장치를 구비한 카테터-유도바늘 어셈블리
JP2012521796A (ja) * 2009-03-26 2012-09-20 ベクトン・ディキンソン・アンド・カンパニー 万能グリップを有する安全な一体型カテーテルを提供するシステムおよび方法
KR102118833B1 (ko) * 2019-11-14 2020-06-03 방대희 수액주사용 카테터

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904240A (en) * 1988-06-09 1990-02-27 Hoover Rocklin L Method and apparatus for starting intravenous solutions
KR200256333Y1 (ko) * 2001-08-31 2001-12-24 유원식 혈관 주사용 바늘 어셈블리
JP2007275191A (ja) * 2006-04-04 2007-10-25 Nemoto Kyorindo:Kk カテーテル導入用具およびそれを使用する薬液注入装置
KR20080011013A (ko) * 2006-07-27 2008-01-31 벡톤 디킨슨 앤드 컴퍼니 안전 장치를 구비한 카테터-유도바늘 어셈블리
JP2012521796A (ja) * 2009-03-26 2012-09-20 ベクトン・ディキンソン・アンド・カンパニー 万能グリップを有する安全な一体型カテーテルを提供するシステムおよび方法
KR102118833B1 (ko) * 2019-11-14 2020-06-03 방대희 수액주사용 카테터

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