KR101870021B1 - Safety syringe system - Google Patents

Safety syringe system Download PDF

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Publication number
KR101870021B1
KR101870021B1 KR1020160035035A KR20160035035A KR101870021B1 KR 101870021 B1 KR101870021 B1 KR 101870021B1 KR 1020160035035 A KR1020160035035 A KR 1020160035035A KR 20160035035 A KR20160035035 A KR 20160035035A KR 101870021 B1 KR101870021 B1 KR 101870021B1
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South Korea
Prior art keywords
fitting
adapter
container
catheter
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KR1020160035035A
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Korean (ko)
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KR20170110807A (en
Inventor
조양현
최영빈
이승호
조용찬
Original Assignee
서울대학교산학협력단
사회복지법인 삼성생명공익재단
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Application filed by 서울대학교산학협력단, 사회복지법인 삼성생명공익재단 filed Critical 서울대학교산학협력단
Priority to KR1020160035035A priority Critical patent/KR101870021B1/en
Priority to PCT/KR2017/002985 priority patent/WO2017164600A1/en
Publication of KR20170110807A publication Critical patent/KR20170110807A/en
Application granted granted Critical
Publication of KR101870021B1 publication Critical patent/KR101870021B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M39/1011—Locking means for securing connection; Additional tamper safeties
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0208—Subcutaneous access sites for injecting or removing fluids
    • A61M2039/0223—Subcutaneous access sites for injecting or removing fluids having means for anchoring the subcutaneous access site
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0208—Subcutaneous access sites for injecting or removing fluids
    • A61M2039/0229—Subcutaneous access sites for injecting or removing fluids having means for facilitating assembling, e.g. snap-fit housing or modular design
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
    • A61M2039/0258—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body for vascular access, e.g. blood stream access
    • 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
    • A61M2039/1077—Adapters, e.g. couplings adapting a connector to one or several other connectors
    • 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
    • A61M2039/1083—Tube connectors; Tube couplings having a plurality of female connectors, e.g. Luer connectors
    • 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
    • A61M2039/1088—Tube connectors; Tube couplings having a plurality of male connectors, e.g. Luer connectors
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/27—General characteristics of the apparatus preventing use
    • A61M2205/276—General characteristics of the apparatus preventing use preventing unwanted use
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/08—Supports for equipment
    • A61M2209/088—Supports for equipment on the body

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

Abstract

The present invention is characterized in that a mechanical coupling specificity is added to a connection portion connecting a vascular catheter for injecting an injection to a blood vessel and an injection liquid container containing the injection liquid to prevent the use of the medicine, The present invention relates to a syringe system for preventing the use of a medicament for preventing a drug from being mistakenly administered to a patient even when a medical person fails to pay close attention to the patient. In addition, it is possible to have a unique coupling structure that is distinguished from one another by various drugs and patients through a code granting method.

Description

Safety Syringe System {SAFETY SYRINGE SYSTEM}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety syringe system, and more particularly, to a safety syringe system for preventing a drug use error, a mechanical coupling To a syringe for preventing the use of a medicament for preventing injection of an injectable solution into the patient by improper injection.

Problems that affect patient safety in relation to drug use include adverse drug events, adverse drug reactions, and medication errors, which may be associated with a medication misadventure or drug misadventure. A drug hazard case refers to any damage associated with a medicinal product, and an adverse drug reaction refers to an unexpected, unintended, undesired or excessive reaction associated with a medicinal product. In addition, drug use errors are events that can lead to inappropriate drug use or patient harm. In response, the National Coordinating Council for Medication Error Reporting and Prevention (NCC MERP) in the United States recommended that drug mistakes be made "inadequately when medicines are used under the control of medical professionals, patients and consumers. All preventable events that are used or are harmful to the patient ".

In the case of medication use errors, medication errors or injection path errors are caused by doctor's prescription, preparation of pharmacist, preparation of medication card by nurse, or medication to health consumer. Main cause is lack of heavy workload of medical staff, lack of practical experience and nursing This is due to mistakes that occur during the dosing process due to lack of ability. In particular, Korean nurses have spent 208 minutes, which is 43.3% of the 480 hours of nursing work on the 1st day, for drug administration and 52.2 times per day. Nurses have a lot of patients to manage and the confusion and charts of drugs with similar formulations, medicines and appearance in the urgent environment due to the patient's pain complaint can not be confirmed accurately (the patient's name, dosage and route of administration) There is a surge in patient safety accidents, which can lead to the death of a patient by causing concern for errors. In order to prevent such safety accidents, the safety of the device or the device itself must be assured, not the safety of the device, depending on the caregiver's care.

Japanese Laid-Open Patent Publication No. 2012-531551 relates to a vial assembly comprising a vial and a pre-installed fluid delivery device, wherein the fluid delivery device comprises a connector for sealing the fluid communication with the needleless syringe, which includes an elongated tubular flow member including a spike having a spike end for piercing a thin needle into a vial so as to allow fluid communication between the interior of the vial. However, since the invention is peppered to the seal for fluid communication between the catheter and the syringe, it is far from a technique to prevent dosing errors due to injection.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a safety syringe system capable of preventing medication errors by a safety function of the apparatus itself even when the attention of a medical person is somewhat weakened.

The present invention relates to a safety syringe system having an engaging portion, the safety syringe system comprising: a vascular catheter having a tubular portion at one end to be inserted into a blood vessel and a distal end to have a fixed portion; A catheter adapter hermetically fixed to the one end face of the fixed portion of the blood vessel catheter and the other end face having a first coupling part; A container adapter having a second coupling part for fittingly coupling with the first fitting part and having a second end coupled to the first fitting part; A container in which the container adapter and the discharge port of the cylindrical cross section are sealed, and a container for receiving the injection liquid therein; And a controller for controlling an amount of flow of the injectate from the vessel to the vessel catheter when the vessel, the vessel adapter, the catheter adapter, and the vessel catheter are coupled and each internal conduit is connected to each other, Wherein one end surface of the catheter adapter surrounds and fixes the fixing part, and the sealing engagement is such that the fastening part of the container adapter surrounds and tightens the discharge port of the container, and the first fitting engagement part and the second fitting engagement part And a plurality of engagement portions arranged at predetermined positions and fitting to each other.

The present invention also provides a safety syringe system, wherein the sealing fixation of the securing portion and the sealing engagement of the securing portion comprise a screw-type and a button-type.

The present invention also provides a safety syringe system wherein the first fitting engagement portion is a female fitting coupling portion and the second fitting portion is a male fitting coupling portion.

The present invention also provides a safety syringe system wherein the first fitting portion is a male fitting coupling portion and the second fitting portion is a female fitting coupling portion.

According to the present invention, it is preferable that the first fitting portion and the female fitting coupling portion are combined with each other, and the second fitting portion is a female fitting coupling portion of the first fitting- Wherein a female fitting coupling part is located corresponding to a female fitting coupling part and a female fitting coupling part is formed corresponding to a male fitting coupling part of the first fitting part, part of the safety syringe system is located.

The present invention is characterized in that each of the plurality of fitting portions includes at least three concave portions and corresponding convex portions along the circumference of the cross section, And the rest of the irregularities are divided into the number of the remaining irregularities except for the position occupied by the reference portion, and the irregularities are arranged one by one.

Each of the circumferences divided by the number of irregularities other than the reference portion is divided into at least two regions and a unique position code composed of numbers, characters, or a combination thereof is assigned to each region, And arranging the rest of the recessed portion and the convex portion constituting the engagement portion at the position where the safety syringe is located.

The concave portion and the convex portion of the fitting portion have a triangle shape. The triangle shape has an equilateral triangle (M), a right triangle (L) having a left side and a base at right angles, and a right triangle (R) A triangle code is assigned to the triangle code, and the triangle code is assigned to the selected triangle.

The present invention also provides a safety syringe system wherein the position code, the triangle code or the position code and the triangle code are displayed on the catheter adapter and the vessel adapter.

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Since the safety syringe of the present invention has a function of preventing the medication from being mistaken by the syringe itself, it is possible to prevent the drug from being mistakenly administered to the patient even if the medical person fails to pay close attention, have. In addition, it is possible to have a unique coupling structure that is distinguished from one another by various drugs and patients through a code granting method.

1 is a conceptual diagram of a safety syringe system according to an embodiment of the present invention.
2 is a conceptual view showing a mating engagement surface of a catheter adapter and a container adapter of a safety syringe system according to an embodiment of the present invention.
3 is a conceptual diagram showing a three-dimensional shape, a side view, a top view and a bottom view of the catheter adapter and the container adapter according to the embodiment of the present invention.
4 shows (a) a three-dimensional photograph, (b) a side view, (c) a top view, and (d) a bottom view of the catheter adapter and vessel adapter, according to an embodiment of the invention.
FIG. 5 is a cross-sectional view of an apparatus according to an embodiment of the present invention, in which (a) a container outlet, (b) a blood vessel catheter fixture is shown in the photograph, (c) Dimensional scanning result.
FIG. 6 is a side view of a vessel outlet according to an embodiment of the present invention. FIG. 6 (a) is a three-dimensional shape of a container outlet, FIG. 7 is a conceptual view showing a side view shape of the catheter fixing portion. FIG.
FIG. 7 is a cross-sectional view of a blood vessel catheter adapter according to an embodiment of the present invention. FIG. 7 is a perspective view illustrating a connection between a vessel catheter adapter and a vessel catheter adapter according to an embodiment of the present invention. And (D) the fitting and rotation fixing of the adapter part.
FIG. 8 is a perspective view of an embodiment of the present invention, in accordance with an embodiment of the present invention, in which (a) a sealing engagement of a container and a container adapter, (b) a sealing fixation of a blood vessel catheter and a blood vessel catheter adapter, (D) a joined state, and (d) a joined state.
Fig. 9 shows (a) a mating engagement cross-sectional shape according to an embodiment of the present invention, (b) an adapter mating state, (c) a pre-mating mating state, and (d) a mating mating state.
Fig. 10 shows (a) a non-interlocking cross-sectional shape, (b) a counter-opposing state, (C) an engaged fit state, and (d) a non-fit-coupled state.
FIG. 11 is a conceptual view illustrating a protrusion arrangement of a fitting portion and a code thereof according to an embodiment of the present invention.
FIG. 12 shows a flowchart and a program for arbitrarily generating an array of protrusions and codes of the fitting portion according to an embodiment of the present invention.
FIG. 13 shows (a) various fitting shapes produced according to the cord projection arrangement of the fitting portion according to an embodiment of the present invention and (b) the various fitting shapes actually produced.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to the description of the present invention, terms and words used in the present specification and claims to be described below should not be construed as limited to ordinary or dictionary terms. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

The fitting coupling described in the present invention refers to a coupling in which a groove and a projection are fitted when a mechanism is assembled, and the fitting coupling portion is a coupling portion to be coupled by a fitting coupling. As used herein, the term " safety syringe system " is a designation that includes a catheter inserted into a blood vessel, an injection liquid container for containing an injection liquid, and an adapter coupling the catheter and the injection liquid container.

FIG. 1 is a conceptual view of a safety syringe system according to an embodiment of the present invention. Referring to FIG. 1, a vascular catheter 10 is inserted into a blood vessel of a patient or an injector injector, 40 are connected to each other by using the catheter adapter 20 and the container adapter 30, respectively.

The safety syringe system according to an embodiment of the present invention includes a mating coupling unit. The safety syringe system includes a vascular catheter 10 having one end of a tubule inserted into a blood vessel and a distal end of the vascular catheter 10, ; A catheter adapter (20) hermetically fixed to the one end face of the fixed portion of the blood vessel catheter, and the other end face having a first coupling part; A container adapter 30 having a second coupling part for fitting and coupling with the first engaging part and a second end having a coupling part; A container 40 in which the container adapter and the discharge port of the cylindrical cross section are hermetically sealed and accommodates the injection liquid therein; And a control unit (not shown) for controlling an amount of flow of the injection liquid from the vessel to the vessel catheter when the vessel, the vessel adapter, the catheter adapter, and the blood vessel catheter are connected and each internal conduit is connected to each other. The coupling part includes the first coupling part and the second coupling part. A control unit for controlling the amount of the injected liquid may be included as one configuration of the blood vessel catheter or the container.

2 is a conceptual view showing a mating engagement surface of a catheter adapter and a container adapter of a safety syringe system, according to an embodiment of the present invention. In one embodiment of the present invention, the first fitting part of the catheter adapter 20 is a female fitting coupling part, and the second fitting part of the container adapter 30 is a fitting part of the male fitting part 30, (male fitting coupling part). The male engaging / coupling portion is inserted into the female engaging portion and fastened. After the insertion, the catheter adapter (20) or the container adapter (30) is inserted to secure the fastening and prevent leakage of the injection liquid to the outside of the catheter. It can be rotated and fixed. The plurality of fitting portions of the present invention each include at least three concave portions and corresponding convex portions along the circumference of the cross section, and one of the concave and the convex portions is set as a reference portion at a circumferential point , And the remaining unevenness may be divided into the number of irregularities and the number of irregularities except for the position occupied by the reference portion. In another embodiment of the present invention, the first fitting part is a male fitting coupling part, and the second fitting part is a female fitting coupling part. It is possible to do. The first fitting portion may be a female fitting coupling portion and a male fitting coupling portion. The second fitting portion may be a female fitting portion of the first fitting portion (female fitting portion) a female fitting coupling part corresponding to a male fitting coupling part of the first fitting part and a female fitting coupling part corresponding to a fitting coupling part of the first fitting part, It is also possible to implement a safety syringe system that is located.

In one embodiment of the present invention, each of the circumferences divided by the number of irregularities other than the reference portion is divided into at least two regions and a unique position code composed of numbers, characters, or a combination thereof is assigned to each region, And the rest of the recessed portion and the recessed portion constituting the engagement portion are arranged. For example, each of the circumferences divided by the number of irregularities other than the reference portion is divided into at least two regions, and a position code is assigned to the number -1 of the circumferences divided by 0, and the position code is assigned to the position The rest of the recess and the rest of the recess can be arranged. In one embodiment of the present invention, the fitting portion of the catheter adapter and the container adapter may each be composed of four recesses or recesses, and one of the four recesses or recesses may be located at a circumferential point of the cross- 21, 31), and the remaining three (22 to 24, 32 to 34) may be arranged by dividing the rest of the circumference excluding the position occupied by the reference portion into three equal parts.

FIG. 3 is a conceptual diagram showing a three-dimensional shape, a side view, a top view and a bottom view of the catheter adapter and the container adapter according to the embodiment of the present invention, (A) a three-dimensional photograph, (b) a side view, (c) a top view, and (d) a bottom view of the catheter adapter and the vessel adapter, according to an embodiment of the invention. According to an embodiment of the present invention, the plurality of fitting portions include four concave portions along the circumference of the cross section of the female fitting portion and convex portions along the circumference of the cross section of the male fitting portion corresponding thereto. According to another embodiment of the present invention, the plurality of fitting portions include four convex portions along the circumference of the cross section of the female fitting portion and concave portions along the circumference of the corresponding male fitting portion cross section And the female engaging and disengaging portion may have a recess and a convex portion together, and the male engaging and coupling portion corresponding thereto may be provided with a convex portion and a concave portion at corresponding positions, respectively.

FIG. 5 is a cross-sectional view of a blood vessel catheter according to an embodiment of the present invention. FIG. 5 (a) is a container outlet, (b) (B) a side view of the container outlet; (c) a three-dimensional shape of the vessel catheter fixture; and (c) d) is a conceptual diagram showing the lateral perspective configuration of the vascular catheter fixture. FIG. 7 is a perspective view showing the connection of the vessel catheter adapter and the vessel catheter adapter according to the embodiment of the present invention. (A) sealing engagement of the container and the container adapter, (b) sealing of the blood vessel catheter and vessel catheter adapter according to one embodiment of the present invention, and (C) a cross-section of the mating engagement portion of the hermetically sealed adapter and the hermetically sealed adapter, and (d) a joined state.

The sealing fixation according to an embodiment of the present invention refers to a state in which the injection liquid does not leak to the outside of the conduit while the internal conduits are connected to each other, and one end surface of the catheter adapter surrounds and fixes the fixing unit. Also, the sealing is also a state in which the injection liquid does not leak to the outside of the conduit while the internal conduits are connected to each other, and the fastening portion of the container adapter surrounds and tightens the outlet of the container. The first fitting portion and the second fitting portion may include a plurality of fitting portions arranged at predetermined positions and fitting to each other. Here, the fitting portion may mean a mechanical concave-convex structure formed in an end face portion for fitting engagement. In one embodiment of the present invention, the sealing of the fixing part and the sealing of the coupling part may include a screw fixing type and a button fixing type. The screw fixing type rotatably connects both parts having screw threads, and the button fixing type removably engages with a contact part such as a pen lid with a concave / convex shape.

Fig. 9 is a cross-sectional view of a mating engagement section according to an embodiment of the present invention; Fig. 10 (b) (b) the adapter facing state, (C) the coupling fitting state, and (d) the non-fitting coupling state. 9, the fitting surface of the vessel catheter adapter and the fitting surface of the vessel adapter can be engaged with each other. In an embodiment of the present invention, the blood vessel catheter adapter has a male-engaging coupling portion, and the vessel adapter has a male engaging portion. As shown in FIG. 10, if the structures of the facing surfaces that are opposed to each other do not coincide with each other, they can not be combined with each other, so that the injection liquid contained in the container does not flow into the blood and the catheter.

FIG. 11 is a conceptual view showing a protrusion arrangement of a fitting portion and a code thereof according to an embodiment of the present invention. FIG. In one embodiment of the present invention, the position of one of the four recesses or recesses is set as a reference portion 21, 31 at one point on the circumference of the cross section, and the remaining three (22 to 24, 32 to 34) The rest of the circumference excluding the position occupied by the reference portion may be divided into three equal parts and arranged one by one. In this case, each of the circumferences divided into three halves is divided into ten regions, and a position code is assigned from 0 to 9, and the remaining three portions of the recess and the convex portion constituting the fitting portion can be arranged at the positions to which the position code is assigned. The concave portion and the convex portion of the fitting portion have a triangle shape. The triangle shape is formed by an equilateral triangle (M), a right triangle (L) with a left side and a base at right angles and a right triangle (R) And the triangle to which the triangle code is assigned can be selected. In an embodiment of the present invention, the triangle may be an isosceles triangle shape. The concave and convex portions may be formed in a square, a circle, or a part of a circle.

FIG. 12 shows a flowchart and a program for arbitrarily generating an array of protrusions and codes of the fitting portion according to an embodiment of the present invention. In one embodiment of the present invention, the program can be implemented as Matlab code, and is composed of codes as shown in Table 1 below.

[Table 1] Matlab code for generating arbitrary numbers

Figure 112016028193396-pat00001

Any two array codes generated in the Matlab code of Table 1 above can be displayed as shown in Table 2 below.

[Table 2] Array code generated using Table 1

Figure 112016028193396-pat00002

FIG. 13 shows (a) various fitting shapes produced according to the cord projection arrangement of the fitting portion according to an embodiment of the present invention and (b) the various fitting shapes actually produced. In an embodiment of the present invention, the triangular code and the combined code may be arbitrarily generated and divided into injection liquids to be implemented as a catheter adapter 20 and a container adapter 30. In an embodiment of the present invention, The triangular code or the position code and the triangular code may be displayed on the catheter adapter and the vessel adapter.

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While the present invention has been described in connection with what is presently considered to be the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, .

All technical terms used in the present invention are used in the sense that they are generally understood by those of ordinary skill in the relevant field of the present invention unless otherwise defined. The contents of all publications referred to herein are incorporated herein by reference.

10. Vascular catheter
20. Catheter adapter
21. Standard part of fitting part
22-24. Fitting portion
30. Container adapter
31. Standard part of fitting part
32-34. Fitting portion
40. Container

Claims (14)

A safety syringe system having a mating engagement portion,
The safety syringe system includes a vascular catheter having one end of a tubule inserted into a blood vessel and a distal end of the vascular catheter;
A catheter adapter sealingly fixed to the one end face of the fixed portion of the blood vessel catheter and having a first end having a first coupling part;
A container adapter having a second coupling part for fittingly coupling with the first fitting part and having a second end coupled to the first fitting part;
A container in which the container adapter and the discharge port of the cylindrical cross section are sealed, and a container for receiving the injection liquid therein; And
And a control unit for controlling an amount of flow of the injection liquid from the container to the vessel catheter when the container, the container adapter, the catheter adapter, and the blood vessel catheter are coupled to each other and each internal conduit is connected to each other,
Wherein the sealing fixation is achieved by one end surface of the catheter adapter encircling and securing the securing portion, the sealing engagement of the container adapter encapsulating and sealing the outlet of the container,
Wherein the first engagement portion and the second engagement portion have a plurality of engagement portions which are arranged at predetermined positions and are fitted to each other,
Wherein each of the plurality of engaging portions includes at least three concave portions and corresponding convex portions along a circumference of a cross section, wherein one of the concave and convex portions is set as a reference portion at a point on a circumference, The rest of the circumference excluding the position occupied by the reference portion is divided into the number of the remaining concave and convex portions and arranged one by one,
Each of the circumferences divided by the number of concave and convex portions excluding the reference portion is divided into at least two regions and a unique position code composed of numbers, characters, or a combination thereof is assigned to each region, (M), a right triangle (L) having a right side and a base at right angles, and a right triangle (L) having a right side and a base at right angles A triangle code is given by a right triangle R, which is a triangle,
Wherein the position code, the triangular code, or the position code and the triangular code are displayed on the catheter adapter and the vessel adapter,
Safety syringe system.
The method according to claim 1,
Wherein the fixing of the fixing part and the sealing of the fixing part includes a screw fixing type and a button fixing type,
Safety syringe system.
delete delete The method according to claim 1,
Wherein the first fitting portion is intermingled with a female fitting coupling portion and a male fitting coupling portion and the second fitting portion is a female fitting of the first fitting portion, a male fitting coupling part is located corresponding to a coupling part of the first fitting part and a female fitting coupling part is located corresponding to a male fitting coupling part of the first fitting part, doing,
Safety syringe system.
delete delete delete delete delete delete delete delete delete
KR1020160035035A 2016-03-24 2016-03-24 Safety syringe system KR101870021B1 (en)

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KR20210001327A (en) * 2019-06-27 2021-01-06 주식회사 필로시스 Needle head and medicine injection device comprising the same

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KR102121221B1 (en) * 2018-04-20 2020-06-10 한림대학교 산학협력단 Docking systems of lock-and-key structures used for a connecting part of a needleless connector
KR102121228B1 (en) * 2018-04-20 2020-06-10 한림대학교 산학협력단 Docking systems of lock-and-key structures used for a connecting part of a filter for drug injection
KR102121225B1 (en) * 2018-04-20 2020-06-10 한림대학교 산학협력단 Docking systems of lock-and-key structures used for a connecting part of an angiocatheter and an infusion solution set
KR102143161B1 (en) * 2018-04-20 2020-08-11 시너지에이아이 주식회사 Docking systems of lock-and-key structures for medical apparatuses
KR102166115B1 (en) 2018-11-19 2020-10-15 이선주 Luminous syringe
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KR20210001327A (en) * 2019-06-27 2021-01-06 주식회사 필로시스 Needle head and medicine injection device comprising the same
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