KR101788714B1 - The injector equipped with two chamber - Google Patents

The injector equipped with two chamber Download PDF

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Publication number
KR101788714B1
KR101788714B1 KR1020150157584A KR20150157584A KR101788714B1 KR 101788714 B1 KR101788714 B1 KR 101788714B1 KR 1020150157584 A KR1020150157584 A KR 1020150157584A KR 20150157584 A KR20150157584 A KR 20150157584A KR 101788714 B1 KR101788714 B1 KR 101788714B1
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KR
South Korea
Prior art keywords
cylinder
packing
piston
syringe
split
Prior art date
Application number
KR1020150157584A
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Korean (ko)
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KR20170054883A (en
Inventor
박선명
Original Assignee
박선명
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Publication date
Application filed by 박선명 filed Critical 박선명
Priority to KR1020150157584A priority Critical patent/KR101788714B1/en
Priority to PCT/KR2016/012902 priority patent/WO2017082643A1/en
Publication of KR20170054883A publication Critical patent/KR20170054883A/en
Application granted granted Critical
Publication of KR101788714B1 publication Critical patent/KR101788714B1/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
    • 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
    • A61M5/1407—Infusion of two or more substances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing

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

Abstract

The present invention relates to a syringe having a dual chamber, and more particularly, to a syringe having a double chamber, and more particularly, to a syringe having a double chamber, more specifically, a syringe having a needle for insertion and removal of a needle at its tip, A piston inserted into a rear end of the cylinder to discharge the medicine toward a front end of the cylinder; A split packing for pressurizing the inside of the cylinder and moving along the inner surface of the cylinder, forming a predetermined cut-away in the center, and dividing the internal space of the cylinder into two chambers; And a pressurizing packing which is mounted on one end of the piston and which is press-fitted into a rear end of the cylinder, wherein agents of different components are contained in the inner space of the cylinder at the front and rear ends based on the split packing, The split packing is changed in shape by the compressive force of the drug contained in the downstream end, the incision is opened and the drug at the downstream end is moved to the front end through the incisional opening and the mixed drug is mixed with the drug at the front end, And the piston is pressurized and discharged to the front end of the cylinder in a state in which the packing and the split packing are in close contact with each other.

Description

[0001] The present invention relates to a syringe having a dual chamber,

The present invention relates to a syringe having a dual chamber, and more particularly to a syringe having a dual chamber in which a plurality of medicinal liquids or powders are individually stored inside a syringe and are easily mixed in practical operation.

Generally, injections are contained in ampoules or vials. When injecting, the ampoule is cut first, or the injector stored in the vial is pierced through the rubber cap of the vial into the syringe and injected into the patient.

As described above, in addition to injecting a single injecting agent as described above, there is also a case where an additional agent is mixed and injected.

For example, in the case of injections used as therapeutic drugs for deformed knee arthropathy, shoulder periplasm, and the like.

For example, sodium hyaluronate as a therapeutic agent is injected with lidocaine hydrochloride as a local anesthetic agent because the pain given to the patient is too large when injected.

In this case, the ampoule was cut and the sodium hyaluronate preparation contained therein was sucked into the syringe. Subsequently, the lidocaine hydrochloride contained in the vial was sucked through the rubber stopper of the vial with the injection needle, Inject.

On the other hand, as another example of mixing two or more medicines, a powder medicine such as an antibiotic substance, a steroid, a vaccine or the like in a vial may be enclosed and the solution or diluted solution may be put into an ampoule.

In this case, the ampoule is cut, the solution in the ampule is sucked into the syringe, and then the injection needle is pushed through the rubber stopper of the vial, and the solution contained in the syringe is injected into the vial.

Then, the injection needle is pulled out, the vial is shaken to dissolve the powder medicine, and once the rubber stopper is pierced with the injection needle, the dissolved injection agent is sucked into the syringe, and the mixed injection agent is injected into the patient.

In such a conventional scanning method, since it is necessary to operate the syringe at various stages, it is not only inconvenient to use, but also may cause a user to be injured by the glass piece of the ampoule when cutting the ampoule, AIDS and other infections.

Further, in the process of cutting the ampoule, the ampoule fragments may be mixed into the injection material contained in the ampoule, or the rubber pieces may be mixed into the injection material inside the vial when the rubber sponge of the vial is pierced by the injection needle.

The incorporation of these foreign substances is confirmed by a microscope, and is injected into the body together with the injection solution at the time of injection, which adversely affects the human body.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a syringe which is simple in structure and capable of injecting medicines in a simple operation.

In the meantime, the objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

A syringe having a dual chamber according to an exemplary embodiment of the present invention includes a cylinder having a needle at its tip to be detached at its tip, a flange for gripping at its tip, and a space for containing different drugs therein, A piston inserted into a rear end of the cylinder to push the medicament toward the front end of the cylinder, a piston inserted into the cylinder and moving along the inner surface of the cylinder, A divided packing for dividing the piston into two chambers, and a pressurizing packing mounted on one end of the piston and press-fitted into the rear end of the cylinder.

Preferably, the inner space of the cylinder contains medicines of different components on the front and rear ends based on the split packing. When the piston is pressed, the split packing changes its shape due to the compressive force of the medicament contained in the rear end, The improvement is opened and the downstream agent is moved to the front end through the above-mentioned incision improvement and mixed with the front end agent.

Preferably, the mixed medicament can be discharged to the tip of the cylinder by pressing the piston in a state in which the pressurized packing and the split packing are in close contact with each other.

Meanwhile, in the syringe having a dual chamber according to another embodiment of the present invention, a needle for storing a needle or medicine and a cap for freeze-drying are detached at the tip, a flange for holding is formed at a rear end, A piston inserted into a rear end of the cylinder to discharge the medicament toward the front end of the cylinder; a piston inserted into the cylinder to move along an inner surface of the cylinder, A divided packing for dividing the inner space of the cylinder into two chambers, and a pressurized packing mounted on one end of the piston and press-fitted into the rear end of the cylinder.

Preferably, the inner space of the cylinder contains medicines of different components at the front and rear ends based on the split packing, and an expanded portion having an inner diameter larger than the inner diameter of the cylinder is formed at the central portion of the cylinder, The packing moves toward the front end of the cylinder by the compressive force of the drug contained in the rear end of the piston when the piston is pressurized and the incision is opened by the expansion of the divided packing when the packing is seated on the expanded portion, And the mixed medicines can be discharged to the tip of the cylinder by pressing the piston in a state where the pressure packing and the split packing are in close contact with each other.

According to another aspect of the present invention, there is provided a syringe having a dual chamber, comprising: a cylinder having a needle at its tip, a flange formed at a rear end thereof and a space for storing different medicines therein, A piston inserted into the cylinder to discharge the medicament toward the tip of the cylinder, a piston which is press-fitted into the cylinder and moves along the inner surface of the cylinder, a cut-away portion of a predetermined shape is formed at the center, And a pressurizing packing mounted on one end of the piston and press-fitted into the rear end of the cylinder.

Preferably, in the inner space of the cylinder, medicines of different components are contained in the front and rear ends based on the split packing, a protrusion for reducing the inner diameter of the cylinder is formed inside the center of the cylinder, The split packing is released from the projecting portion due to the compressive force of the drug contained in the rear end of the piston when the piston is pressed, the formed cut-out is opened, and the drug at the rear end is moved to the front end through the open- And the mixed medicines can be discharged to the tip of the cylinder by pressing the piston in a state where the pressurized packing and the split packing are in close contact with each other.

Preferably, in all embodiments, the split packing and the pressurized packing may be made of silicone or rubber.

The present invention is advantageous in that a large number of medicinal liquids or powders are individually stored in a syringe and are easily mixed in an actual operation and easy to use.

1 is a perspective view of a syringe having a dual chamber according to an embodiment of the present invention,
Fig. 2 is a use state of the syringe having the dual chamber shown in Fig. 1,
3 is a perspective view and a cross-sectional view showing a modified form of the split packing shown in Figs. 1 and 2. Fig.
4 is a perspective view of a syringe having a dual chamber according to another embodiment of the present invention,
5 is a state of use of the syringe having the dual chamber shown in Fig.
6 is a perspective view of a syringe having a dual chamber according to another embodiment of the present invention,
7 is a use state of the syringe having the dual chamber shown in Fig.

The term used in the present invention is a general term that is widely used at present. However, in some cases, there is a term selected arbitrarily by the applicant. In this case, the term used in the present invention It is necessary to understand the meaning.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

1 is a perspective view of a syringe having a dual chamber according to an embodiment of the present invention, Fig. 2 is a state of use of a syringe having a dual chamber shown in Fig. 1, Fig. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view and a cross-sectional view showing a modified form of the divided packing shown in Fig.

1 to 3, a syringe 100 having a dual chamber according to an embodiment of the present invention includes a needle 111 attached to a distal end thereof and a flange 112 formed at a rear end thereof And a cylinder 110 in which a space for containing different medicines (L) P is formed.

The injection needle 111 is detachably attached to the tip of the cylinder 110 as described above. The reason for this is that the mixed agent L is directly injected into the human body through the injection needle 111 However, in some cases, after the injection needle 111 is removed, an upper discharge port of the cylinder 110 may be connected to a catheter provided separately to inject the mixed medicament (L) P into the catheter.

A syringe 100 having a dual chamber according to an embodiment of the present invention includes a piston 110 inserted into a rear end of the cylinder 110 to discharge the medicine L toward the tip of the cylinder 110, the piston 120 is pushed into the rear end of the cylinder 110 as shown in FIG. 1 at one end of the piston 120 and the medicine L (P ) To the outside of the cylinder (110).

At this time, the piston 120 is the same in shape and material as the piston 120 of the pre-field syringe, which is generally used, and therefore, the present invention is not limited thereto.

The syringe 100 having a dual chamber according to an embodiment of the present invention is press-fitted into the cylinder 110 and moves along the inner surface of the cylinder 110, And a split packing 130 for dividing the internal space of the cylinder 110 into two chambers.

1 to 3, the split packing 130 is press-fitted into the cylinder 110 to divide the internal space of the cylinder 110 into two And a chamber.

At this time, different kinds of medicines (L) P may be contained in the respective chambers of the cylinder 110 divided by the split packing 130, but in the embodiments of the present invention, the split packing 130 (230 (L) or a solvent in which the powdered pharmaceutical agent (P) is mixed with the powdered pharmaceutical (P) is contained in the rear end chamber of the cylinder (110) Loses.

As shown in FIG. 2, the split packing 130 has a predetermined shape at its center, as shown in FIG. 2, and the split packing 130 has a multi- And is positioned inside the cylinder 110 in a folded state.

At this time, the cut-outs 131 of the divided packing 130 folded in multi-stages are in close contact with each other, so that the liquid medicine or the solvent at the rear end is prevented from being moved unless a separate external force is applied to the piston 120 .

2, when a pressure is applied to the piston 120, the piston 120 is moved along the inner surface of the cylinder 110 from the rear end to the tip end of the cylinder 110, The liquid medicament L at the subsequent stage is compressed while applying pressure to the split packing 130.

At this time, the split packing 130 folded into multiple stages is deformed into a bottle inlet shape as shown in FIG. 2 by the pressure of the liquid medicine as described above, and the folded packing 130 is released. The pressure applied to the incision 131 formed in the incision 131 is released and the incision 131 is opened and the liquid medicine at the subsequent stage is injected into the drug P through the incision 131 to be mixed.

At this time, the split packing 130 maintains its current position in a state of being press-fitted into the inner surface of the cylinder 110 until all the liquid medicines L are moved toward the front end, and when the piston 120 moves, The incision 131 is closed and the mixed medicine L is discharged to the outside while moving along with the pressurizing packing 121 toward the tip.

The divided packing 130, 230, 330 and the pressure packing 121, 221, 321 according to the embodiments of the present invention may be made of various materials, And halogenated butyl rubber which does not affect stability and efficacy are made of rubber.

In addition, the cutout 131 formed in the split packing 130 may have various shapes including "-" or "+"

5, which is a use state diagram of the syringe 200 having the dual chamber shown in Figs. 4 and 4, which is a perspective view of a syringe 200 having a dual chamber according to another embodiment of the present invention, The syringe 200 having the dual chamber according to the embodiment will be described in detail.

4 and 5, a syringe 200 having a dual chamber according to another embodiment of the present invention includes a needle 111 attached to a distal end thereof, a flange 212 formed at a rear end thereof, A piston 210 inserted into a rear end of the cylinder 210 to discharge the medicine L into the distal end of the cylinder 210, The cylinder 210 is press-fitted into the cylinder 210 to move along the inner surface of the cylinder 210 and a cut-away 231 of a predetermined shape is formed at the center of the cylinder 210. The inner space of the cylinder 210 is divided into two And a pressurizing packing 221 mounted on one end of the piston 220 and press-fitted into a rear end of the cylinder 210. The divided packing 230 is divided into chambers.

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At this time, since the piston 220 and the pressure packing 221 are the same as those of the above-described embodiment, a description thereof will be omitted.

4 and 5, the syringe 200 having a dual chamber according to another embodiment of the present invention may have a structure in which the inner space of the cylinder 210 is divided into the inner space of the cylinder 210, And an expanded portion 240 having an inner diameter larger than the inner diameter of the cylinder 210 is formed at the center of the cylinder 210. [

At this time, the split packing 230 moves to the tip end of the cylinder 210 by the compression force of the medicine contained in the rear end of the piston 220 when the piston 220 is pressed.

When the divided packing 230 is seated in the expanded tube portion 240 having an expanded inner diameter, the incision 231 is opened by the expansion of the divided packing 230, and the liquid medicine L Is moved to the front end through the open section 231 to be mixed with the powder medicine P at the front end.

5, the mixed medicament L (P) presses the piston 220 in a state in which the pressurizing packing 221 and the split packing 230 are in close contact with each other, And is discharged to the tip.

Hereinafter, a syringe 300 having a dual chamber according to another embodiment of the present invention will be described in detail.

6 is a perspective view of a syringe 300 having a dual chamber according to another embodiment of the present invention, and Fig. 7 is a state of use of the syringe 300 having the dual chamber shown in Fig.

6 and 7, in the syringe 300 having a dual chamber according to another embodiment of the present invention, the injection needle 111 is detached at the tip end, the flange 312 is formed at the rear end, A cylinder 310 in which a space for containing different kinds of medicines L is inserted and a cylinder 310 inserted into a rear end of the cylinder 310 to discharge the medicament L (P) The piston 320 is pushed into the cylinder 310 and moves along the inner surface of the cylinder 310 to form a cutout 331 having a predetermined shape at the center. And a pressurizing packing 321 mounted on one end of the piston 320 and press-fitted into a rear end of the cylinder 310. The split packing 330 includes:

At this time, since the piston 320 and the pressure packing 321 are the same as those of the above-described embodiment, a description thereof will be omitted.

However, the syringe 300 having the dual chamber according to another embodiment of the present invention is configured such that the medicines L (see FIG. P and a protrusion 340 for reducing the inner diameter of the cylinder 310 is formed inside the center of the cylinder 310.

At this time, the split packing 330 is press-fitted into the protrusion 340. The split packing 330 is formed by the compression force of the liquid pharmaceutical agent L contained in the rear end of the piston 320 when the piston 320 is pressed, And is expanded.

At this time, in the formed incision 331, the liquid medicine L at the rear end is moved to the front end through the incision 331 opened and opened by expanding the split packing 330 as described above, ). ≪ / RTI >

At this time, the mixed medicament (L) P is discharged to the tip of the cylinder 310 by pressing the piston 320 in a state where the pressure packing 321 and the split packing 330 are in close contact with each other.

As a result, the syringe having the dual chamber according to the embodiments of the present invention has the effect of conveniently storing a plurality of medicines or powders individually in the syringe through the above-described technical constructions, and being easily mixed in actual operation.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation in the present invention. Various changes and modifications may be made by those skilled in the art.

100: a syringe having a dual chamber according to an embodiment of the present invention
110, 210, 310: cylinder
111: needles
112, 212, 312: Flange for holding
120, 220, 320: piston
121, 221, 321: Pressurized packing
130, 230, 330: Split packing
131, 231, 331: Improve section
200: a syringe having a dual chamber according to another embodiment of the present invention
240: Expansion part
300: a syringe having a dual chamber according to another embodiment of the present invention
340: protrusion
L: Liquid pharmaceutical
P: Powder agent

Claims (4)

A cylinder in which a needle for injection is detached at a tip end, a flange for holding is formed at a rear end thereof, and a space for storing different medicines is formed therein; A piston inserted into a rear end of the cylinder to discharge the medicine toward the tip of the cylinder; A split packing for pressurizing the inside of the cylinder and moving along the inner surface of the cylinder, forming a predetermined cut-away in the center, and dividing the internal space of the cylinder into two chambers; And a pressure packing mounted on one end of the piston and press-fitted into a rear end of the cylinder,
Wherein a chemical agent of a different component is contained in the inner space of the cylinder at the front and rear ends based on the split packing,
Wherein the split packing is in a folded state in a multi-stage state, the folded state is released by the compressive force of the drug contained in the downstream end when the piston is pressed, the cut-off is opened, To be mixed with the medicines at the front end,
Wherein the mixed medicine is discharged to the tip of the cylinder by pressing the piston in a state in which the pressure packing and the split packing are in close contact with each other. delete delete The method according to claim 1,
Wherein the split packing and the pressurizing packing are made of silicone or rubber.
KR1020150157584A 2015-11-10 2015-11-10 The injector equipped with two chamber KR101788714B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020150157584A KR101788714B1 (en) 2015-11-10 2015-11-10 The injector equipped with two chamber
PCT/KR2016/012902 WO2017082643A1 (en) 2015-11-10 2016-11-10 Dual-chambered syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150157584A KR101788714B1 (en) 2015-11-10 2015-11-10 The injector equipped with two chamber

Publications (2)

Publication Number Publication Date
KR20170054883A KR20170054883A (en) 2017-05-18
KR101788714B1 true KR101788714B1 (en) 2017-10-20

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WO (1) WO2017082643A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101881095B1 (en) * 2016-12-30 2018-07-23 라이오팁 코리아 주식회사 Complex syringe for mixing of double drugs
CN115135582A (en) * 2020-02-13 2022-09-30 西医药服务有限公司 Containment and delivery system for cryogenic storage
KR102418920B1 (en) * 2020-08-03 2022-07-07 건국대학교 산학협력단 Syringe device, device and method for extracting nucleic acid using the same
KR102523811B1 (en) * 2021-08-05 2023-04-19 장영환 A powder and liquid medicine, Needle Embedded Manual Syringe Assembly
KR102553149B1 (en) * 2021-08-05 2023-07-07 장영환 A powder and liquid medicine, Needle Embedded Auto Syringe Apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685846A (en) * 1995-02-27 1997-11-11 Schott Parenta Systems, Inc. Dual chamber internal by-pass syringe assembly
US5971953A (en) * 1998-01-09 1999-10-26 Bachynsky; Nicholas Dual chamber syringe apparatus
US9289562B2 (en) * 2011-04-18 2016-03-22 THORNE CONSULTING and INTELETUAL PROPERTY, LLC Pressure actuated valve for multi-chamber syringe applications
EP2815779A1 (en) * 2013-06-21 2014-12-24 TRD-Dimitrov Limited Prefilled mixing syringe and associated methods
AU2014290081B2 (en) * 2013-07-16 2019-05-16 Unl Holdings Llc Syringes for repetitive mixing and delivery of injectables

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KR20170054883A (en) 2017-05-18

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