WO2021096019A1 - Catheter for intravenous injection - Google Patents

Catheter for intravenous injection Download PDF

Info

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
Application number
PCT/KR2020/008693
Other languages
French (fr)
Korean (ko)
Inventor
방대희
Original Assignee
방대희
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/en
Priority claimed from KR1020200035012A external-priority patent/KR102370061B1/en
Application filed by 방대희 filed Critical 방대희
Publication of WO2021096019A1 publication Critical patent/WO2021096019A1/en

Links

Images

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.

Abstract

The present invention relates to a catheter for intravenous injection, comprising: a cap part having, at one end thereof, a coupling hole into which a Ringer's solution supply tube is to be inserted, and having, at the other end thereof, a needle tube that is flexibly bent; a guide protrusion part protruding from the outer surface of the cap part so as to slantly guide, by means of an injection needle hole formed in the guide protrusion part, an injection needle rod for blood vessel insertion to the entrance of the needle tube through the cap part, so that the needle tube and the injection needle rod are inserted into a blood vessel; and a support protrusion part protruding from another outer surface of the cap part and making contact with anti-push force in the reverse direction of the removal of the injection needle rod for blood vessel insertion. According to the present invention, a solution supply pipe can be easily connected to a catheter for intravenous injection through the vein of a patient, and after the catheter for intravenous injection is inserted into a blood vessel, an injection needle rod of a blood vessel injection body can be stably and easily removed, and two types of injections can be directly injected into a catheter for intravenous injection so that drug reactions are rapidly delivered to the patient.

Description

수액주사용 카테터Infusion catheter
본 발명은 환자의 정맥을 통한 수액 또는 주사액 주입 시 사용되는 카테터의 사용을 안정되게 하여, 의료종사원들의 실수로 인한 환자의 불편을 최소화함과 동시에 의료현장에서 실수에 의한 감염이 예방되게 하는 수액주사용 카테터에 관한 것이다.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.
일반적으로 치료받는 환자에게 처방되는 주사액과, 영양공급을 위한 닝겔 수액은 환자의 정맥 혈관을 통하여 인체에 공급되고, 이 경우 환자의 정맥을 통한 수액주사용 카테터가 사용된다.In general, 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.
환자의 정맥을 통한 수액주사용 카테터의 사용을 위해서는 주사바늘대가 삽입된 카테터를 혈관에 삽입한 후, 혈관에 삽입된 카테터의 니들튜브를 손가락으로 눌러 혈관에서 빠지지 않게 함과 혈액이 카테터 측으로 유출되지 않게 조치하면서 수액공급관 또는 주사바늘을 카테터에 연결하였다.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.
이 과정에서 숙련도가 낮은 의료종사자는 주사바늘에 찔리는 경우 또는 카테터의 니들튜브에서 혈액이 유출되는 경우가 발생하여 오염 및 감염이 되는 문제가 발생하고 있었다.In this process, a medical worker with low skill level had a problem of being stabbed by an injection needle or leaking blood from the catheter's needle tube, resulting in contamination and infection.
따라서 환자의 정맥을 통한 수액주사용 카테터를 혈관에 안정적으로 삽입하여 혈액 샘플 채취 및 치료액 또는 수액 등의 주사액을 투입시킬 수 있는 카테터의 개발이 관련 분야에 절실하게 요구되고 있는 실정이다.Therefore, there is an urgent need in related fields to develop a catheter capable of stably inserting a catheter for intravenous infusion through a patient's vein into a blood vessel to collect a blood sample and to inject an injection solution such as a treatment solution or infusion solution.
이와 같은 의료계의 요구에 따라, 혈관 주사에 의해 환자에게 미리 수액, 주사액 등의 연결관을 소켓에 연결하도록 하고, 피어서를 빼더라도 혈액이 역류하지 않도록 하여 환자의 불편을 최소화하는 동시에 의료종사원의 감염을 미리 예방할 수 있는 수액, 주사액 등이 투여될 경우에 환자의 불편을 최소화하고 사용 시 발생 될 수 있는 의료종사원들의 감염위험을 최소화 할 수 있는 혈관 주사용 바늘소켓이 공개특허 제10-2004-0007850호(이하‘선공개발명’이라 함)로 제안된 바 있다.In accordance with the demands of the medical community, by vascular injection, connecting pipes such as fluids and injections to the socket are made to the patient in advance, and the blood does not flow back even if the piercing is removed, minimizing patient discomfort and infection by medical personnel. 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').
그러나 상기 선공개발명은 피어서를 빼는 과정에서 한 손으로 소켓을 누르고 다른 한 손으로는 피어서의 손잡이를 잡아당기는 자세를 취하게 되었는데, 피어서의 바늘을 빼는 과정에서 숙련정도에 따라 소켓의 바늘이 빠지는 불편함이 있다.However, in the process of pulling out the piercer, the earlier development name took the posture of pressing the socket with one hand and pulling the handle of the piercer with the other.In the process of removing the piercer, the needle of the socket is inconvenient to come out depending on the skill level. There is a ship.
소켓의 바늘이 빠지게 되면 급히 지혈을 하고, 빼내었던 피어서의 바늘이 소켓을 통해 혈관에 재삽입 되는 자세를 취해야 하므로 혈액이나 주사액이 혈관 주변으로 흘러 위생상 오염 및 의료종사원들의 감염 위험에 노출되는 문제점이 있었다.When the needle of the socket is removed, hemostasis is urgently performed, and the needle of the piercer must be re-inserted into the blood vessel through the socket.Therefore, blood or injection fluid flows around the vessel, exposing the risk of hygiene contamination and infection by medical personnel. There was this.
[선행기술문헌][Prior technical literature]
(특허문헌 1) KR 공개특허 10-2004-0007850(2004.01.28 공개)(Patent Document 1) KR Patent Publication 10-2004-0007850 (published on January 28, 2004)
본 발명은 정맥을 통한 수액주사용 카테터 취급 시 카테터에 수액공급관을 용이하게 연결하고, 환자의 정맥을 통한 수액주사용 카테터의 혈관내 삽입 후 혈관주사체의 주사바늘대 제거를 안정되고 용이하게 하여, 숙련도가 낮은 의료종사원들의 실수로 인한 환자의 불편을 최소화 하고, 의료현장에서 혈액누출에 의한 오염 및 주사바늘에 찔림 등에 의한 감염이 예방되게 함을 목적으로 한다.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.
또한, 본 발명은 환자의 정맥을 통하여 수액 또는 주사액 주입 중에 이종 주사액을 카테터의 니들튜브에 근접한 위치에 주입함으로 주사액의 약효가 환자에게 신속하게 전달되도록 함을 목적으로 한다.In addition, it is an object of the present invention to inject a heterogeneous injection solution into a position close to a needle tube of a catheter while injecting an intravenous solution or an injection solution through a patient's vein, so that the drug effect of the injection solution can be quickly delivered to the patient.
상기 목적을 해결하기 위하여 본 발명은, 링거수액의 공급관 삽입을 위한 결합홀이 일단에 형성되고, 타단에는 길이 방향으로 구부림이 유연한 니들튜브가 구비된 캡부; In order to solve the above object, 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;
상기 캡부의 외측면에 돌출되어 그 내부에 형성된 주사바늘홀을 통해 혈관삽입용 주사바늘대가 상기 니들튜브 입구로 유도되어 상기 니들튜브와 혈관삽입용 주사바늘대가 혈관으로 삽입되게 하는 가이드돌부; 및 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; And
상기 캡부의 다른 외측면에서 돌출되어 상기 니들튜브에서 상기 혈관삽입용 주사바늘대의 제거 시 밀림방지를 위해 구비된 지지돌부; 를 포함하는 구성을 제공함에 의하여 충분히 달성된다.A support protrusion protruding from the other outer surface of the cap portion and provided to prevent pushing when the injection needle bar for insertion of blood vessels is removed from the needle tube; It is sufficiently achieved by providing a configuration including a.
본 발명의 목적이 달성되는 구성에서 상기 가이드돌부는, 상기 캡부의 외측면에서 경사지게 돌출되는 유도대와, 상기 유도대의 일단에서부터 상기 니들튜브 입구측으로 주사바늘대가 삽입 유도되게 형성된 주사바늘홀과, 신축성 소재로 상기 유도대의 표면에 설치되어 상기 주사바늘대가 출입하는 상기 주사바늘홀의 입구를 소재의 특성으로 차단되게 하는 바이알캡으로 이루어지게 형성함이 바람직하다.In the configuration in which the object of the present invention is achieved, 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.
본 발명의 목적이 달성되는 구성에서 상기 지지돌부는, 상기 캡부의 외측면에서 돌출대가 형성되되, 상기 가이드돌부와 대향되는 위치에서 경사 돌출되며, 상기 돌출대 표면에 상기 캡부의 밀림방지를 위한 저지력을 제공할 수 있는 가압면이 형성되게 구성함이 바람직하다.In the configuration in which the object of the present invention is achieved, 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.
또한, 상기 지지돌부는, 상기 캡부의 밀림방지를 위해 형성되는 가압면이 오목하게 형성되게 하고, 상기 가압면에는 실리콘소재로 되어 표면 마찰면적이 증가되게 수개의 돌기가 돌출 형성된 슬립편을 포함하여 구성함이 바람직하다.In addition, 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.
그리고 상기 지지돌부는, 상기 돌출대의 표면에 이종주사액 주입을 위한 가압마개가 설치되고, 상기 가압마개의 표면에는 이종주사액 주입 시 제거되는 보호지가 부착되며, 상기 가압마개의 저면으로 가압마개와 결합되는 보호홀이 형성되며, 상기 보호홀 내에 이종주사액 주입용 바늘이 삽입되는 유도헤드가 형성되고, 상기 유도헤드와 상기 돌출대 사이에는 상기 캡부의 결합홀로 경사 연결되는 주사홀이 형성될 수도 있다.And the support protrusion, 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.
본 발명의 목적이 달성되는 구성에서 상기 가압마개의 저면으로 상기 보호홀의 유도헤드에 덧씌워지는 밀폐캡이 구비되어 상기 주사홀로부터 누수가 차단되게 형성함이 바람직하다.In a configuration in which the object of the present invention is achieved, it is preferable that 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.
본 발명의 목적이 달성되는 구성에서 상기 주사바늘홀과 상기 주사홀은, 상기 캡부의 외측면에서 돌출된 가이드돌부와 상기 지지돌부 내에 형성되어 상기 캡부의 수직축선에 대해 각각 예각범위 내에서 30~50 각도 범위 내로 경사지게 하되, 상기 주사바늘홀의 경사각은 상기 니들튜브 입구를 지향하게 하고, 상기 주사홀의 경사각은 상기 니들튜브 입구의 상부공간을 지향하게 형성함이 바람직하다.In the configuration in which the object of the present invention is achieved, 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.
본 발명의 목적이 달성되는 구성에서 상기 주사바늘홀은 상기 바이알캡이 결합되는 위치가 깔때기 형상으로 된 유도홀이 형성되게 구성함이 바람직하다.In the configuration in which the object of the present invention is achieved, it is preferable that the injection needle hole is configured to form an induction hole having a funnel shape at a position where the vial cap is coupled.
본 발명은 정맥관으로 삽입되는 정맥주사 니들을 통해 수액의 공급이 필요할 때, 수액주사용 카테터에 수액공급관을 용이하게 연결할 수 있을 뿐만 아니라 수액주사용 카테터의 혈관내 삽입 후 혈관주사체의 주사바늘대 제거를 용이하고 안정되게 하여, 숙련도가 낮은 의료종사원들의 실수를 예방하는 효과를 갖는다.In the present invention, when the supply of fluid through an intravenous needle inserted into a venous tube is necessary, not only can 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.
또한, 본 발명은 수액주사를 실시하는 상태에서 이종주사액을 정맥에 삽입된 니들튜브의 근접한 위치에 주입되게 하는 것에 의해 환자에게 신속한 주사액 투여 효과를 갖도록 하는 이점이 있다.In addition, 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.
도 1은 본 발명을 적용하는 카테터의 사시도.1 is a perspective view of a catheter to which the present invention is applied.
도 2는 본 발명을 적용하는 카테터의 내부구조를 보인 단면도.Figure 2 is a cross-sectional view showing the internal structure of the catheter to which the present invention is applied.
도 3은 본 발명의 카테터의 내부구조를 확대한 단면도.Figure 3 is an enlarged cross-sectional view of the internal structure of the catheter of the present invention.
도 4는 본 발명의 카테터에 혈관주사체가 결합된 상태 단면도.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.
도 5는 본 발명의 카테터에 혈관주사체가 결합된 실시례 단면도.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.
도 6은 본 발명 중 카테터의 결합홀 상부를 단면하여 내부를 보인 단면도이다.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.
도 7은 본 발명을 적용한 카테터 지지돌부의 다른 실시 예를 도시한 사시도.Figure 7 is a perspective view showing another embodiment of the catheter support protrusion to which the present invention is applied.
도 8은 본 발명을 적용한 카테터 지지돌부의 다른 실시 예의 내부구조를 보인 단면도.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.
도 9는 본 발명을 적용한 카테터 지지돌부의 다른 실시 예에 혈관주사체가 결합된 상태 단면도.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.
도 10은 본 발명을 적용한 카테터 지지돌부의 다른 실시 예의 이종주사 실시 예시도.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.
도 11은 본 발명을 적용한 카테터 지지돌부의 다른 실시 예에 이종주사액이 주입되는 상태도.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.
도 12는 본 발명을 적용한 카테터 지지돌부의 다른 실시 예가 적용된 카테터의 평면상태도이다.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.
이하에서는, 본 발명의 바람직한 실시 예를 첨부된 도면을 참조하여 설명한다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.
본 발명의 실시 예는 본 발명의 권리범위를 한정하는 것은 아니고 단지 예시로 제시된 것이며, 그 기술적 요지를 이탈하지 않는 범위 내에서 다양한 변경이 가능하고 상이한 실시 예를 구성할 수도 있다.The embodiments of the present invention do not limit the scope of the present invention, but are presented merely as examples, and various changes may be made and different embodiments may be configured within the scope not departing from the technical gist of the present invention.
도 1은 본 발명을 적용하는 카테터의 사시도이고, 도 2는 본 발명을 적용하는 카테터의 내부구조를 보인 단면도이고, 도 3은 본 발명의 카테터의 내부구조를 확대한 단면도이다.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, and FIG. 3 is an enlarged cross-sectional view of the internal structure of the catheter of the present invention.
본 발명의 카테터(100)는 포도당용액이 환자의 정맥혈관을 통하여 신체 내부로 주입되는 처방을 이행하기 위해 의료진 및 의료종사자들이 기본적으로 취급하는 의료도구로서 포도당수액 팩과 연결되고, 정맥혈관에 주사하기 위한 캡부(200)가 형성된다.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.
상기 캡부(200)는 일측에 후술되는 포도당용액 팩의 수액공급관(90)을 연결하기 위한 결합홀(210)이 형성된다.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.
상기 결합홀(210)에 수액공급관(90)이 결합되는 상태에 의해 포도당용액이 정맥혈관측으로 배출된다.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.
상기 수액공급관(90)과 결합홀(210)은 결합과 분리가 용이하도록 하기 위해 원뿔형상으로 형성되어 삽입과 분리는 용이하면서 접촉 단면적은 증가되는 구조로 형성한 것이 바람직하다.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.
또한, 상기 캡부(210)의 타측에는 신체의 정맥혈관 속으로 삽입되기에 적당한 직경과 적당한 길이로 되고 의료진이 취급하기에 안전성을 감안하여 구부림이 유연한 재질과 구조로 된 니들튜브(230)가 일체로 형성된다. In addition, on the other side of the cap part 210, 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
상기 니들튜브(230)는 구부림이 유연하므로 그 자체의 물성으로는 정맥혈관으로 삽입되지 못하기 때문에 통상적으로 금속으로 된 혈관주사체(500)를 상기 카테터(500)에 조립되게 하는 구조가 적용된다.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. .
즉, 상기 캡부(210)에 결합되는 혈관주사체(500)의 주사바늘대(530) 끝이 니들튜브(230)를 관통하여 노출된 상태를 이루어야만 니들튜브(230)가 혈관 속으로 삽입될 수 있다.That is, 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.
따라서 도 4 내지 도 6에서와 같이 본 발명의 카테터(100)의 캡부(200) 외측면에 상기 혈관주사체(500)의 주사바늘대(530)를 결합시키기 위한 가이드돌부(300)가 형성되게 한다.Therefore, 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. .
상기 캡부(200)의 외측면에 경사지게 돌출되는 상기 가이드돌부(300)는 상기 혈관주사체(500)의 주사바늘대(530)가 상기 캡부(200) 외부에서 캡부(200) 내부로 삽입되게 하는 유도대(310)와, 상기 니들튜브(230) 내부로 삽입되는 상기 혈관주사체(500)의 주사바늘대(530)가 상기 캡부(200)의 니들튜브(230)측으로의 삽입을 유도되게 하는 주사바늘홀(330)이 구비된다.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.
상기 주사바늘홀(330)이 형성된 유도대(310)의 표면, 즉 주사바늘홀(310)의 입구에는 신축성 소재로 된 바이알캡(350)이 형성되게 한다.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.
이는, 상기 혈관주사체(500)의 주사바늘대(530)가 상기 주사바늘홀(330)을 출입할 때 상기 주사바늘홀(330)의 입구 및 주사바늘대의 외경면에 소재의 탄성 특성으로 밀착되게 하여 외부공기가 주사바늘홀(330) 및 주사바늘홀을 통한 니들튜브(230)측으로 유입되는 것을 막아 감염경로가 차단되도록 함에 기인한다.This means that when the injection needle bar 530 of the blood vessel injection body 500 enters and exits the injection needle hole 330, the inlet of the injection needle hole 330 and the outer diameter surface of the injection needle bar are in close contact with the elastic properties of the material. This is because the infection path is blocked by preventing external air from flowing into the needle tube 230 through the injection needle hole 330 and the injection needle hole.
특히, 상기 가이드돌부(300)를 상기 캡부(200)의 외측면에 형성함에 있어 유도대(310)의 주사바늘홀(330)은 그 중심축선이 상기 캡부(200)의 결합홀(210) 및 니들튜브(230)의 중심축선에 대해 경사진 상태로 만나게 되므로 교차되는 각도가 예각 범위로 형성되게 함이 요구되므로 상기 니들튜브(230)의 중심축선과 주사바늘홀(330)의 중심축선이 교차되는 경사각은 예각범위 내에서 30~50도 각도로 형성함이 바람직하다.In particular, in forming the guide protrusion 300 on the outer surface of the cap part 200, 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.
상기와 같은 주사바늘홀(330)의 경사각은 상기 캡부(200)의 결합홀(210)과 일체로 형성되는 니들튜브(230)의 입구(220)와 만나는 상태를 이루게 된다.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.
특히, 상기 니들튜브(230)의 입구(220)는 깔대기처럼 벌어진 형상을 이루고 있어서 주사바늘홀(330)을 통해 진입되는 혈관주사체(500)의 바늘대(530)가 니들튜브(230)의 입구(220)의 깔대기 형상에 접촉되면서 휘어져 니들튜브(230)측으로 진입되는 상태가 된다.In particular, since the inlet 220 of the needle tube 230 has an open shape like a funnel, 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.
상기 캡부(200)의 다른 외측면으로는 상기 니들튜브(230)와 함께 정맥혈관에 삽입된 혈관주사체(500)의 주사바늘대(530)를 상기 가이드돌부(300)에서 제거할 때, 제거하기 위해 당기는 힘에 의해 카테터(100)가 움직이지 않도록 하기 위한 지지돌부(400)가 형성되게 한다.When removing the injection needle bar 530 of the blood vessel injection body 500 inserted into the venous blood vessel together with the needle tube 230 from the guide protrusion 300 on the other outer surface of the cap part 200, The support protrusion 400 for preventing the catheter 100 from moving by the pulling force is formed.
상기 지지돌부(400)는, 상기 캡부(200)의 외측면에 형성하되, 상기 가이드돌부(300)와 대향되는 위치에서 엄지손가락으로 누르기에 작당한 크기로 돌출되게 한 돌출대(410)로 형성된다. 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.
상기 돌출대(410)를 형성함에 있어 힘의 작용 방향이 상기 니들튜브(230)측으로 작용되도록 상기 돌출대(410)의 표면은 니들튜브(230)측으로 경사지게 형성함이 바람직하다.In forming the protrusion 410, it is preferable that 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.
상기 돌출대(410)를 상기 니들튜브(230)측으로 경사지게 돌출 형성함으로 돌출대(410)의 다른 타측에는 혈관주사체(500)의 주사바늘대(530) 제거 시 상기 캡부(200)의 밀림방지를 위한 저지력을 제공할 수 있는 가압면(425)이 형성된다.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.
상기 캡부(200)의 밀림방지를 위해 형성되는 가압면(425)은 오목하게 형성되게 함이 바람직하고, 상기 가압면(425)의 오목한 면에는 실리콘소재이며 표면 마찰면적이 증가되게 수 개의 돌조(452)가 돌출 형성된 슬립편(450)이 구비되게 한다.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.
또한, 상기 지지돌부(400)를 돌출 경사지게 형성함에 있어 그 경사각은 상기 가이드돌부(300)와 같은 예각범위내의 30~50각도로 형성함이 바람직하다.In addition, in forming the support protrusion 400 to be protruding inclined, the inclination angle is preferably formed at an angle of 30 to 50 within the same acute angle range as the guide protrusion 300.
한편, 도 7 내지 도 9에서와 같이, 상기 돌출대(410)의 표면에는 혈관주사체(500) 제거방향과 반대되는 저지력을 제공할 수 있을 뿐만 아니라, 정맥혈관에 수액을 투여하는 과정에서 이종주사액을 환자에게 신속히 주입해야 할 필요성이 종종 발생하므로, 이 경우 있는 환자에게 이종주사액을 신속히 주입할 수 있는 수단이 요구된다.On the other hand, as shown in Figs. 7 to 9, 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.
이와 같은 이종주사액의 신속한 주입은 상기 지지돌부(400)의 돌출대(410) 내에 주사홀(423)이 형성되게 함으로 가능하다.Such a rapid injection of the heterogeneous injection solution is possible by allowing the injection hole 423 to be formed in the protrusion 410 of the support protrusion 400.
상기 돌출대(410)의 표면에 이종주사액을 주입할 수 있는 보호홀(420)이 형성되게 하고, 상기 돌출대(410)의 내부에는 상기 캡부(200)의 결합홀(210)로 이어지는 주사홀(423)이 형성되게 한다.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.
상기 보호홀(420)과 주사홀(423)사이에는 보호홀(420)에서 돌출되게 형성되는 유도헤드(421)에 의해 차단되는 상태가 된다.Between the protection hole 420 and the scanning hole 423, the induction head 421 protruding from the protection hole 420 is in a state of being blocked.
그리고 상기 보호홀(420)에는 혈관주사체(500)의 주사바늘대(530) 제거 시 상기 캡부(200)의 밀림방지를 위한 저지력을 제공할 수 있는 가압마개(430)가 결합되게 한다.In addition, when the injection needle bar 530 of the blood vessel injection body 500 is removed, 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.
상기 가압마개(430)는 내수성과 탄력성이 보유되게 함이 바람직하므로 고무소재 또는 실리콘 소재로 상기 보호홀(420)에 결합되며 유도헤드(421)를 감싸면서 씌워지는 밀폐캡(432)이 구비되게 한다.Since 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.
상기 가압마개(430)는 소재특성에 의한 마찰력이 있어 혈관주사체(500)의 주사바늘대(530) 제거 시 저지력을 가압마개(430) 표면으로 제공하기가 매우 좋다.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.
또한, 상기 밀폐캡(432)은 유도헤드(421)를 소재의 탄성력으로 감싸며 밀착되어 후술하는 이종주사기(600)의 바늘에 의해 뚫리는 유도헤드(421)를 조여 이곳의 바늘구멍을 통해 이종주사액 또는 수액이 누수되지 않게 된다.In addition, 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.
그리고 상기 주사홀(423)이 상기 가압마개(430)에서부터 상기 캡부(200)의 결합홀(210)에 이르도록 형성함에 있어서 상기 가이드돌부(300)와 같은 예각 범위내의 30~50각도로 형성함이 바람직하다.In addition, 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.
특히, 주사홀(423)의 축선이 상기 캡부(200)의 수직축선에 예각범위 내로 교차되게 할 때, 결합홀(210)의 하단 즉, 상기 니들튜브입구(220) 상부공간(220a)에서 교차되게 한다.In particular, when 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.
이처럼 주사홀(423)의 축선이 니들튜브입구(220)의 상부공간에 위치하게 하는 것은 이종주사액이 단시간 내에 니들뷰브(230)를 통해 혈관으로 유입되도록 함에 있다.The reason why the axis of the injection hole 423 is located in the upper space of the needle tube inlet 220 is that the heterogeneous injection solution flows into the blood vessel through the needle tube 230 within a short time.
상기 보호홀(420)에 결합되는 가압마개(430)의 표면에는 가압마개(430)의 오염을 방지하기 위한 보호지(440)가 부착된 상태를 유지하고 있어서 평상시 가압마개(430) 표면을 가리고 있으므로 가압마개(430)의 표면이 먼지, 비말, 세균으로부터 보호되고, 이종주사기(600) 사용 시 보호지(440)가 가압마개(430)에서 분리되게 하여 표면을 통해 진입되는 이종주사기(600)의 바늘이 오염되지 않는 상태로 진입되게 할 수 있다.Since 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.
본 발명의 카테터(100)를 사용하기 위해서는 먼저, 상기 캡부(200)의 가이드돌부(300)에 구비된 상기 바이알캡(350)으로 혈관주사체(500)의 주사바늘대(530)를 삽입하여, 상기 혈관주사체(500)의 주사바늘대(530)가 상기 바이알캡(350)을 통해 주사바늘홀(330)을 따라 경사 진입되면, 캡부(200)의 니들튜브(230)의 입구(220)에 다다르고, 혈관주사체(500)의 주사바늘대(530) 끝은 니들튜브입구(220)에서 접촉될 때 유연하게 휘어지면서 니들튜브(230) 내부로 진입된다.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.
상기 혈관주사체(500)의 주사바늘대(530)는 금속성 소재로 0.4~0.5mm 직경의 중공관이며 35~40mm 길이로 된 얇은 주사바늘이므로 그 금속소재의 특성으로 인해 주사바늘홀(330)에서 니들튜브(230)의 입구(220)로 휘어지며 진입되기에 충분하다.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.
상기 혈관주사체(500)의 주사바늘대(530)가 캡부(200)의 니들튜브(230) 내부로 진입되어, 상기 니들튜브(230)의 끝에서 주사바늘대(530)가 2~3mm 돌출되는 상태가 되면, 상기 캡부(200)의 결합홀(210)에 포도당 수액팩의 수액공급관(90)을 끼워 연결되게 한 다음, 수액이 결합홀(210)을 통해 니들튜브(230) 까지 공급되는 상태를 확인한 후 수액공급관(90)이 차단되게 한다.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 When it is, 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.
이후, 의료진 또는 의료종사자는 환자의 정맥혈관을 찾아 혈관주사체(500)의 주사바늘대(530)를 찔러 넣으면 니들튜브(230)도 함께 정맥혈관 속으로 삽입되는 상태가 된다.Thereafter, when the medical staff or medical staff finds the patient's venous blood vessel and inserts the injection needle bar 530 of the blood vessel injector 500, the needle tube 230 is also inserted into the venous blood vessel.
환자의 정맥혈관으로 니들튜브(230)와 함께 혈관삽입용 주사바늘대(530)가 삽입된 후에는 이후 차단된 수액공급관(90)을 해제하는 것에 의해 수액이 환자의 정맥혈관을 통해 신체 내부로 유입되도록 혈관주사체(500)의 주사바늘대(530)를 캡부(200)에서 제거시켜야 한다.After the needle tube 230 and the injection needle bar 530 for insertion of blood vessels are inserted into the patient's venous blood vessels, 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.
본 발명에서는 상기 혈관주사체(500)의 주사바늘대(530)를 카테터(100)에서 제거해야 하는 상황에 이르면, 의료진 또는 의료종사자는 카테더(100)의 캡부(200) 외측면을 한 손으로 누르는 상태에서 지지돌부(400)의 가압면(425)에 엄지를 접촉되게 누르면서, 다른 한 손으로는 상기 혈관주사체(500)의 몸체(510)를 잡고 혈관주사체(500)의 주사바늘대(530)를 삽입할 때와는 반대방향으로 잡아당긴다. In the present invention, when it comes to a situation in which the injection needle bar 530 of the blood vessel injection body 500 must be removed from the catheter 100, 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.
이때, 상기 캡부(200)의 지지돌부(400)에는 상기 혈관주사체(500)를 빼내기 위해 소요되는 힘과 대응되는 힘이 자연적 가해지는 상태에서 상기 혈관주사체(500)의 주사바늘대(530)는 니들튜브(230)와 가이드돌부(300)의 주사바늘홀(330)에서 빠져 나가 상기 캡부(200)에서 제거된다.At this time, 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.
상기 주사바늘홀(330)에서 혈관주사체(500)의 주사바늘대(530)가 빠질 때, 가이드돌부(300)의 주사바늘홀(330) 입구에 설치된 바이알캡(350)에서는 소재의 특성에 의해 주사바늘대(530)가 빠져 나간 자리가 폐쇄되므로 주사바늘홀(330)을 포함한 니들튜브(220) 입구 측으로 혈액 역류현상이 발생되지 않는다.When the injection needle bar 530 of the blood vessel injection body 500 is removed from the injection needle hole 330, 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.
또한, 혈관주사체(500)의 주사바늘대(530)를 제거하기 전부터 제거될 때 까지 상기 지지돌부(400)의 가압면(425)에는 누르는 힘이 계속 가해지고 있는 상태가 지속되므로 니들튜브(230)가 정맥혈관에서 이탈되지 않으므로 혈관에서 니들튜브의 이탈에 의해 혈액이 신체 외부로 유출되는 현상 또한 발생하지 않게 된다.In addition, since a state in which a pressing force is continuously applied to the pressing surface 425 of the support protrusion 400 from before removing the injection needle bar 530 of the blood vessel injection body 500 until it is removed, 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.
상기 혈관주사체(500)의 주사바늘대(530)가 상기 캡부(200)에서 빠지는 동안 상기 지지돌부(400)에 엄지손가락을 대고 니들튜브 방향으로 힘을 가할 때, 상기 지지돌부(400)의 가압면(425)에 구비된 슬립편(450)이 실리콘 소재의 특성으로 접촉성이 높아 미끄러지지 않아 안정된 누름 상태가 유지된다.While the injection needle bar 530 of the blood vessel injection body 500 is removed from the cap part 200, when a thumb is placed on the support protrusion 400 and a force is applied in the needle tube direction, the support protrusion 400 is pressed. 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.
특히, 상기 슬립편(450)의 표면으로 돌출된 복 수개의 돌조(452)는 엄지손가락과의 접촉상태의 극대화를 이루어 최적의 누름상태가 유지되게 한다.In particular, 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.
이와 같은 과정에 의하여, 혈관주사체(500)의 주사바늘대(530)가 카캡부(200)의 가이드돌부(300)에서 분리되는 상태가 되고, 니들튜브(230)는 정맥혈관에 삽입된 상태로 남게 되어, 포도당용액 팩으로부터 포도당 수액이 수액공급관(90)과 결합홀(210)과 니들튜브(230)를 통해 정맥혈관 속으로 공급되는 상태가 된다.By this process, 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. As it remains, 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.
상기 포도당 수액이 니들튜브(230)를 통해 정맥혈관 속으로 모두 투여되면 의료진 또는 의료종사자는 상기 수액공급관에 구비된 도시하지 않은 공급조절밸브를 조절하여 수액공급이 차단되게 하고, 정맥혈관에 꼽힌 상기 니들튜브(230) 부분에 지혈조치를 하면서 상기 캡부(200)를 당기면 니들튜브(230)가 정맥혈관에서 분리되는 것으로 카테터의 사용 상태는 종료된다.When the glucose infusion solution is all administered into the venous blood vessel through 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. When the cap part 200 is pulled while hemostasis is applied to the needle tube 230, the needle tube 230 is separated from the venous blood vessel, and the state of use of the catheter is terminated.
도 10과 도 11은 본 발명의 카테터로 정맥주사상태에서 이종주사 실시 예시를 나타내는 것으로, 상술한 바와 같은 카테터를 통해 환자에게 수액을 공급하는 과정에서 환자의 치료와 회복 목적으로 이종주사액을 통상적으로 수액 속에 투여하는 경우가 흔하게 이루어진다.10 and 11 show an example of performing xeno-injection in an intravenous state with the catheter of the present invention. In the process of supplying fluid to a patient through the catheter as described above, xeno-injection solutions are usually used for the purpose of treatment and recovery of the patient. It is commonly administered in fluids.
이종주사액을 수액 속에 투여하면 수액과 함께 서서히 혈관 속으로 주입되므로 약효를 기대하기에는 시간이 많이 소요되는 문제점이 있으므로 본 발명을 통해 이종주사액을 카테터(100)의 니들튜브입구(230)로 주입하여 약효의 반응속도를 신속하게 할 수 있게 된다.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.
즉, 상기 지지돌부(400)의 가압마개(430) 표면에 부착된 보호지(440)를 떼어내고, 가압마개(430)의 표면으로 이종주사기(600)의 바늘을 찔러 유도헤드(421)를 관통되게 찌르면 바늘이 주사홀(423)로 진입되는 상태가 되며, 이종주사기(600)의 바늘길이에 따라서 끝단이 상기 캡부(200)의 결합홀(210)을 향하거나, 결합홀(210)내에 도달되는 것을 확인하여 이종주사액이 결합홀(210)측으로 유입되게 이종주사기(600)를 조작하면 결합홀(210)에서 수액과 혼합되는 상태가 된다.That is, 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 When pierced, 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. When it is confirmed that 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.
이때, 이종주사액은 주사홀(423)의 축선이 결합홀(210)의 수직축선에 대해 니들튜브입구(220)의 상부공간(220a)으로 유입되므로 혈관으로의 유입이 최단 시간 내에 신속히 이루어진다.At this time, because 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.
또한, 이러한 이종주사액의 주입은 가압마개(430)의 표면에 붙어있던 보호지(440)를 떼어 낸 상태에서 이루어지는 것이어서 오염 염려 없이 이종주사액을 주입할 수 있다.In addition, 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.
그리고 이종주사액의 주입 후 이종주사기(600)를 카테터에서 제거 시에는 가이드돌부(300)를 캡부(200)의 밀림방지를 위한 저지력을 제공하는 기능을 수행하도록 사용할 수도 있다.In addition, when the heterogeneous syringe 600 is removed from the catheter after injection of the heterogeneous injection solution, 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.
지금까지 본 발명이 적용되는 카테터(100)의 지지돌부(400)를 통하여 이종주사액이 투여되는 것을 설명하였으나, 본 발명에서는 이종주사액 투여를 상기 가이드돌부(300)의 주사바늘홀(330)과, 지지돌부(400)의 주사홀(423)두 곳을 통하여 각각 할 수 있을 뿐만 아니라, 두 곳의 주사바늘홀(330)과 주사홀(423)에서 동시에 실시할 수도 있다.Until now, it has been described that 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.
이상 첨부된 도면을 참조하여 본 발명의 실시 예들을 설명하였으나, 본 발명은 상기 실시 예들에 한정되는 것이 아니라 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자는 본 발명의 기술적 사상이나 필수적인 구성을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것으로 해석되어야 하므로, 이상에서 상세히 기술한 실시 예들은 본 발명의 기술적 사상과 특징을 예시적인 것이며, 한정적이 아닌 것으로 이해하여야 한다.The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and those of ordinary skill in the technical field to which the present invention pertains change the technical spirit or essential configuration of the present invention. It should be understood that the embodiments described in detail above are illustrative of the technical spirit and features of the present invention and are not limiting.
[부호의 설명][Explanation of code]
100 : 카테터 200 : 캡부 210 : 결합홀100: catheter 200: cap portion 210: coupling hole
220 : 니들튜브입구 220a : 상부공간 230 : 니들튜브220: needle tube inlet 220a: upper space 230: needle tube
300 : 가이드돌부 310 : 유도대 330 : 주사바늘홀300: guide protrusion 310: guide rod 330: injection needle hole
333 : 유도홀 350 : 바이알캡 400 : 지지돌부333: guide hole 350: vial cap 400: support protrusion
410 : 돌출대 420 : 보호홀 421 : 유도헤드410: protrusion 420: protection hole 421: induction head
423 : 주사홀 425 : 가압면 430 : 가압마개423: injection hole 425: pressure surface 430: pressure stopper
432 : 밀폐캡 440 : 보호지 450 : 슬립편432: sealing cap 440: protective paper 450: slip piece
452 : 돌조 500 : 혈관주사체 510 : 몸체452: Doljo 500: blood vessel injection 510: body
530 : 주사바늘대 600 : 이종주사기530: needle rod 600: heterogeneous syringe
본 발명은 정맥관으로 삽입되는 정맥주사 니들을 통해 수액의 공급이 필요할 때, 수액주사용 카테터에 수액공급관을 용이하게 연결할 수 있고, 수액주사용 카테터의 혈관내 삽입 후 혈관주사체의 주사바늘대 제거를 용이하고 안정되게 하여, 숙련도가 낮은 의료종사원들의 실수를 예방할 수 있다.In the present invention, 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.
또한, 본 발명은 수액주사를 실시하는 상태에서 이종주사액을 정맥에 삽입된 니들튜브의 근접한 위치에 주입되게 하는 것에 의해 환자에게 신속한 주사액 투여할 수 있다.In addition, according to the present invention, 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.

Claims (11)

  1. 링거수액의 공급관 삽입을 위한 결합홀이 일단에 형성되고, 타단에는 길이 방향으로 구부림이 유연한 니들튜브가 구비된 캡부;A cap portion having a coupling hole for inserting the Ringer's solution into a supply pipe at one end, and having a flexible needle tube bent in the longitudinal direction at the other end;
    상기 캡부의 외측면에 돌출되어 그 내부에 형성된 주사바늘홀을 통해 혈관삽입용 주사바늘대가 상기 니들튜브 입구로 유도되어 상기 니들튜브와 혈관삽입용 주사바늘대가 혈관으로 삽입되게 하는 가이드돌부; 및 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; And
    상기 캡부의 다른 외측면에 돌출되어 상기 니들튜브에서 상기 혈관삽입용 주사바늘대의 제거 시 밀림방지를 위해 구비된 지지돌부; 를 포함하여 이루어진 수액주사용 카테터.A support protrusion protruding from the other outer surface of the cap portion and provided to prevent pushing when the injection needle bar for insertion of blood vessels is removed from the needle tube; Infusion catheter made, including.
  2. 제1항에 있어서, The method of claim 1,
    상기 가이드돌부는, The guide protrusion,
    상기 캡부의 외측면에서 경사지게 돌출되는 유도대와, 상기 유도대의 일단에서부터 상기 니들튜브 입구측으로 주사바늘대가 삽입 유도되게 형성된 주사바늘홀과,A guide rod protruding obliquely from the outer surface of the cap portion, and an injection needle hole formed to guide the injection needle rod from one end of the guide rod to the inlet side of the needle tube;
    신축성 소재로 상기 유도대의 표면에 설치되어 상기 주사바늘대가 출입하는 상기 주사바늘홀의 입구를 소재의 특성으로 차단되게 하는 바이알캡으로 이루어진 것을 특징으로 하는 수액주사용 카테터.A catheter for infusion injection, characterized in that it consists of a vial cap that is installed on the surface of the guide table made of an elastic material to block the entrance of the injection needle hole through which the injection needle bar enters and exits by the characteristics of the material.
  3. 제1항에 있어서,The method of claim 1,
    상기 지지돌부는, The support protrusion,
    상기 캡부의 외측면에서 경사지게 돌출대가 형성되되, 상기 가이드돌부와 대향되는 위치에서 돌출되며, 상기 돌출대 끝단에 상기 캡부의 밀림방지를 위한 저지력을 제공할 수 있는 가압면이 형성되게 한 것을 특징으로 하는 수액주사용 카테터.It characterized in that the protrusion is formed obliquely from the outer surface of the cap part, protrudes from a position opposite to the guide protrusion, and a pressing surface capable of providing a stopping force for preventing the cap part from being pushed is formed at the end of the protrusion. A catheter for infusion infusion.
  4. 제3항에 있어서,The method of claim 3,
    상기 지지돌부는, The support protrusion,
    상기 캡부의 밀림방지를 위해 형성되는 가압면이 오목하게 형성되게 하고, 상기 가압면에는 실리콘소재로 되어 표면 마찰면적이 증가되게 수개의 돌기가 돌출형성된 슬립편이 구비되는 것을 특징으로 하는 수액주사용 카테터.A catheter for infusion injection, characterized in that the pressure surface formed to prevent the cap portion from being pushed is formed concave, and the pressure surface is made of a silicon material, and a slip piece having several protrusions protruding so as to increase the surface friction area is provided. .
  5. 제2항에 있어서, The method of claim 2,
    상기 가이드돌부에 형성하는 상기 주사바늘홀은, The injection needle hole formed on the guide protrusion,
    상기 주사바늘홀의 중심축선이 상기 캡부의 결합홀과 니들튜브를 지니는 수직축선에 대해 예각범위 내에서 경사각이 형성되게 한 것을 특징으로 하는 수액주사용 카테터.A catheter for infusion injection, characterized in that an inclination angle is formed within an acute angle range with respect to a vertical axis having a coupling hole of the cap part and a needle tube in the central axis of the injection needle hole.
  6. 제1항에 있어서, The method of claim 1,
    상기 캡부는, The cap portion,
    상기 캡부의 외측면에 돌출형성되는 상기 가이드돌부와 상기 지지돌부는 사기 캡부의 수직축선에 대해 각각 예각범위 내에서 30~50 각도 범위 내에 형성되게 한 것을 특징으로 하는 수액주사용 카테터.The guide protrusion and the support protrusion protruding from the outer surface of the cap unit, characterized in that the infusion catheter is formed in a range of 30 to 50 angles within an acute angle range with respect to the vertical axis of the cap unit.
  7. 제2항에 있어서,The method of claim 2,
    상기 주사바늘홀은,The injection needle hole,
    상기 바이알캡이 결합되는 위치가 깔때기 형상으로 된 유도홀이 형성되게 한 것을 특징으로 하는 수액주사용 카테터.A catheter for infusion injection, characterized in that a guide hole in a funnel shape is formed at a location where the vial cap is coupled.
  8. 제1항에 있어서, The method of claim 1,
    상기 지지돌부는, The support protrusion,
    상기 캡부의 다른 외측면에서 돌출되어 상기 혈관삽입용 주사바늘대의 제거 역방향으로 밀림 방지력이 접촉되는 돌출대와, 이종주사액이 상기 돌출대를 통해 상기 캡부의 결합홀로 주입되는 주사홀이 형성되는 것을 특징으로 하는 수액주사용 카테터.A protrusion protruding from the other outer surface of the cap part and contacting a push preventing force in a direction opposite to the removal of the injection needle bar for insertion of blood vessels, and an injection hole through which a heterogeneous injection solution is injected into the coupling hole of the cap part are formed. Infusion catheter, characterized in that.
  9. 제8항에 있어서,The method of claim 8,
    상기 지지돌부는, The support protrusion,
    상기 캡부의 외측면에서 돌출대가 형성되되, 상기 가이드돌부와 대향되는 위치에서 경사 돌출되며, 상기 돌출대의 표면으로 상기 캡부의 밀림방지를 위한 저지력 제공 및 이종주사액 주입을 위한 가압마개가 설치되고, 상기 가압마개를 포함한 상기 돌출대의 표면에는 이종주사액 주입 시 제거되는 보호지가 부착되게 한 것을 특징으로 하는 수액주사용 카테터.A protrusion is formed on the outer surface of the cap part, the protrusion obliquely protrudes at a position opposite to the guide protrusion, and a pressure stopper for providing a blocking force for preventing the cap part from being pushed to the surface of the protrusion and for injecting a different injection solution is installed, and the A catheter for infusion injection, characterized in that a protective paper that is removed upon injection of a heterogeneous injection solution is attached to the surface of the protrusion including a pressure stopper.
  10. 제9항에 있어서, The method of claim 9,
    상기 지지돌부는,The support protrusion,
    상기 돌출대의 표면에 상기 가압마개가 결합되는 보호홀이 형성되고, 상기 보호홀 내에 이종주사액 주입용 바늘이 삽입되는 유도헤드가 형성되며, 상기 유도헤드와 상기 돌출대 사이에는 상기 캡부의 결합홀로 연결되는 주사홀이 형성되는 것을 특징으로 하는 수액주사용 카테터. A protective hole to which the pressure stopper is coupled is formed on the surface of the protrusion, and an induction head into which a needle for injection of a heterogeneous injection solution is inserted is formed in the protective hole, and a coupling hole of the cap part is connected between the induction head and the protrusion. Infusion catheter, characterized in that the injection hole is formed.
  11. 제10항에 있어서, The method of claim 10,
    상기 가압마개는,The pressure stopper,
    상기 가압마개의 저면으로 상기 보호홀의 유도헤드에 덧씌워지는 밀폐캡이 구비되어 상기 주사홀로부터 누수가 차단되게 하는 것을 특징으로 하는 수액주사용 카테터.A catheter for infusion injection, characterized in that the sealing cap is provided with a bottom surface of the pressure stopper that is overlaid on the induction head of the protection hole to block water leakage from the injection hole.
PCT/KR2020/008693 2019-11-14 2020-07-02 Catheter for intravenous injection WO2021096019A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020190145587A KR102118833B1 (en) 2019-11-14 2019-11-14 Intravenous catheter
KR10-2019-0145587 2019-11-14
KR1020200035012A KR102370061B1 (en) 2020-03-23 2020-03-23 Intravenous catheter
KR10-2020-0035012 2020-03-23

Publications (1)

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

Family

ID=75911996

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/008693 WO2021096019A1 (en) 2019-11-14 2020-07-02 Catheter for intravenous injection

Country Status (1)

Country Link
WO (1) WO2021096019A1 (en)

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 (en) * 2001-08-31 2001-12-24 유원식 needle assembly for use with intravascular introducers
JP2007275191A (en) * 2006-04-04 2007-10-25 Nemoto Kyorindo:Kk Catheter introducing implement and medicine liquid injection apparatus using it
KR20080011013A (en) * 2006-07-27 2008-01-31 벡톤 디킨슨 앤드 컴퍼니 Catheter and introducer needle assembly with safety device
JP2012521796A (en) * 2009-03-26 2012-09-20 ベクトン・ディキンソン・アンド・カンパニー System and method for providing a safe integral catheter with a universal grip
KR102118833B1 (en) * 2019-11-14 2020-06-03 방대희 Intravenous catheter

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 (en) * 2001-08-31 2001-12-24 유원식 needle assembly for use with intravascular introducers
JP2007275191A (en) * 2006-04-04 2007-10-25 Nemoto Kyorindo:Kk Catheter introducing implement and medicine liquid injection apparatus using it
KR20080011013A (en) * 2006-07-27 2008-01-31 벡톤 디킨슨 앤드 컴퍼니 Catheter and introducer needle assembly with safety device
JP2012521796A (en) * 2009-03-26 2012-09-20 ベクトン・ディキンソン・アンド・カンパニー System and method for providing a safe integral catheter with a universal grip
KR102118833B1 (en) * 2019-11-14 2020-06-03 방대희 Intravenous catheter

Similar Documents

Publication Publication Date Title
WO2016186272A1 (en) Filter structure for syringe and syringe including same
US5041097A (en) Intravenous catheter fitting with protective end seal
US6299131B1 (en) Swabbable needleless injection port system having low reflux
CA2114848C (en) Medical connector
US5203771A (en) Arterial/venous fluid transfer system
JP4509569B2 (en) Vial adapter with needleless valve for use with various sizes of vial closures
CA1232175A (en) Medical connector system
EP0419620B1 (en) Pre-slit injection site and tapered cannula
JP2788263B2 (en) Catheter assembly
WO2020204372A1 (en) Safety catheter assembly
WO2016190526A1 (en) Filter needle assembly for syringe
JPS62167571A (en) Liquid sampling or injecting apparatus
WO2017159923A1 (en) Filter assembly for syringe, and syringe and ringer assembly comprising same
US4998925A (en) I. V. connector
CA2117066C (en) Puncture needle device, mainly for a closed system introduction of a catheter into a blood vessel
WO2021096019A1 (en) Catheter for intravenous injection
WO2017022924A1 (en) Catheter fixture
WO2017146470A1 (en) Safety catheter assembly
WO2015037928A1 (en) Multi-directional valve
WO2015125987A1 (en) Syringe integrated with filter needle, blood backflow prevention device and venous catheter having blood backflow prevention device
WO2014051217A1 (en) Medical catheter
JPS59141954A (en) Medical connector system
JP3761854B2 (en) Lockable needleless mixed injection tube
WO2018008828A1 (en) Needle set for injecting liquid medicine
WO2017196009A1 (en) Device for filtering out foreign material from syringe injection solution

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20887255

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20887255

Country of ref document: EP

Kind code of ref document: A1