KR100981244B1 - Improved disposable syringe - Google Patents

Improved disposable syringe Download PDF

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Publication number
KR100981244B1
KR100981244B1 KR1020100024122A KR20100024122A KR100981244B1 KR 100981244 B1 KR100981244 B1 KR 100981244B1 KR 1020100024122 A KR1020100024122 A KR 1020100024122A KR 20100024122 A KR20100024122 A KR 20100024122A KR 100981244 B1 KR100981244 B1 KR 100981244B1
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KR
South Korea
Prior art keywords
needle
body
hub
formed
tip
Prior art date
Application number
KR1020100024122A
Other languages
Korean (ko)
Inventor
신동하
Original Assignee
신동하
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
Application filed by 신동하 filed Critical 신동하
Priority to KR1020100024122A priority Critical patent/KR100981244B1/en
Application granted granted Critical
Publication of KR100981244B1 publication Critical patent/KR100981244B1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub

Abstract

PURPOSE: An improved syringe is provided, which can reduce production cost and prevent the waste of the drug solution. CONSTITUTION: An improved syringe comprises: a drug solution injection rod(16) which pressurizes drug solution charged inside the outer tube in the direction of an injection needle; an injection needle hub(70) which discharges the drug solution remaining in the tip internal space; and a needle protection cap(34) for protecting the injection needle by being combined with the injection needle hub.

Description

Enhanced syringe {IMPROVED DISPOSABLE SYRINGE}

The present invention relates to an improved syringe. More specifically, the structure of injecting the needle hub body into the tip of the outer cylinder can be combined to reduce the material cost for manufacturing the hub body and the needle protection cap, and the hub body is introduced into the tip to the tip. The present invention relates to an improved syringe capable of preventing waste of expensive chemical liquids because the chemical liquids do not remain.

A syringe is a device for injecting a certain amount of a chemical into a patient's blood vessels or muscles, and is widely used because a small amount of a chemical can be accurately contained inside a syringe to inject a precise amount into a precise part of the patient's body.

1 is an exploded perspective view showing a syringe according to an embodiment of the present invention. As shown in FIG. 1, the conventional general syringe 2 has an outer cylinder 4 provided with a chemical liquid filling space 8 for filling an injection chemical liquid therein, and a chemical liquid filled inside the outer cylinder 4. The chemical injection rod 16 to press the needle in the direction of the needle, the needle hub 24 coupled to the front end of the outer cylinder 4, and the needle 32 coupled to the needle hub 24 to protect the It consists of a needle protection cap 34 for.

In more detail, the outer cylinder 4 is formed of a cylindrical body 6 having a chemical filling space 8 formed therein, and a coupling hole 10 having an open lower end of the body 6 is formed, and the body thereof. A handle rib 12 extending in the vertical direction from the lower end of the 6 is formed, and a tip 14 is formed at the front end of the body 6 to couple the syringe hub 24 to its outer circumference.

The chemical liquid injection rod 16 is provided with a supporting plate 18 for imparting a supporting force in the longitudinal direction, and the front end of the supporting plate 18 is in close contact with the inner circumference of the outer cylinder 4 to push out the filled chemical liquid. A rubber plate 22 is attached, and a handle plate 20 is formed at the rear end of the support plate 18.

The needle hub 24 couples the needle 32 to the front end, and is provided with a hub body 26 fitted to the tip 14 of the outer cylinder 4 through the coupling hole 28 at the rear end thereof. The lower end of the hub body 26 is formed with a gripping jaw (30).

Therefore, in the conventional general syringe 2, the needle hub 24 is attached to the tip 14 formed at the front end of the outer cylinder 4 in a state where the chemical injection rod 16 is inserted into the outer cylinder 4. Insert the needle protection cap 34 for protecting the needle hub 24, then packaged and distributed.

In order to inject the medical staff, a plastic wrapper (not shown) is opened, the syringe 2 is removed, and the needle needle 32 is immersed in a chemical container (not shown) while the needle protection cap 34 is removed. When the rod 16 is pulled backward by a predetermined scale, the chemical liquid is introduced into the outer cylinder 4 from the chemical liquid container by the pressure inside the outer cylinder 4.

In this state, the needle 32 is inserted into a predetermined body of the patient, and then, when the chemical injection rod 16 is pressed forward, the chemical liquid contained in the outer cylinder 4 is inserted into the patient's body through the needle 32. It will be injected into it.

However, this conventional general syringe 2 has some problems. First, since the body 26 of the needle hub 24 is fitted to the outer circumference of the tip 14 of the outer cylinder 4, the diameter of the needle hub 24 with respect to the body 26 of the needle hub 24 is the outer cylinder 4. Since the tip 14 should be larger than the diameter, there was a problem that the material cost for the production is further increased.

Further, even when the chemical injection rod 16 is completely pressurized to the front end of the outer cylinder 4, the remaining chemical liquid inside the tip 14 of the outer cylinder 4 does not flow into the patient's body, thereby causing expensive chemical liquid to be wasted. there was.

In addition, since the needle protection cap 34 coupled to cover the needle 32 is coupled to cover the stop portion of the hub body 26, the length of the needle protection cap 34 should be considerably long, and thus, the manufacture of the syringe There was a problem that the material cost for the further increase.

On the other hand, after the use of the syringe (2) it was difficult to know whether the syringe (2) was used, the chemical injection rod (16) is easily separated from the outer cylinder (4) of the used syringe (2) at the time of collection Inconvenient, there was a problem that a medical person or a patient can be easily exposed to the remaining drug solution in the drug injection rod 16 or the outer cylinder (4).

Therefore, the present invention reduces the material cost for manufacturing the hub body by the structure in which the body of the needle hub is coupled to the inside of the tip of the outer cylinder, and produced a short exposure length and the length of the needle protection cap of the needle hub to be covered It is an object of the present invention to provide an improved syringe which can reduce material costs.

In addition, the present invention, the hub body is introduced into the tip so that the chemical solution does not remain in the tip, the coupling rod is formed at the front end of the chemical injection rod is coupled to the hub body and the chemical liquid remaining slightly inside the flow path of the hub body It is an object of the present invention to provide an improved syringe which can be injected to prevent the waste of expensive chemical liquid.

In addition, an object of the present invention is to provide an improved syringe capable of performing the role of a safety syringe that can prevent the transfer of the syringe from the infectious patient to another patient by preventing the reuse of the syringe in accordance with the separation of the hub.

The object is formed with a space for filling the injection medicine therein, the outer tube for inserting the needle hub into the inside of the tip formed at the front end for coupling; A chemical liquid injection rod for pressurizing the chemical liquid filled in the outer cylinder in a needle direction; An injection needle having a needle coupled to a front end of the body, and a lower end of the body coupled to the inside of the tip such that no chemical liquid remains in the tip inner space; It is achieved by an improved syringe which is coupled to the needle hub and consists of a needle protection cap for protecting the needle.

The outer cylinder is formed of a cylindrical body formed with a chemical filling space therein, a coupling hole is formed in which the lower end of the body is opened, a handle rib formed in a vertical direction extending from the lower end of the body is formed, the front end of the body is injected The body of the needle hub is composed of a tip coupled to the inner coupling portion, the inner circumference of the coupling portion is preferably in close contact with the outer circumference of the needle hub body.

The chemical liquid injection rod is provided with a support plate for imparting a supporting force in the longitudinal direction, the front end of the support plate is attached to the rubber plate so as to push the filled chemical liquid in close contact with the inner circumference of the outer cylinder, the center of the front end of the rubber plate An injection rod may be further formed to flow into the needle hub body to allow injection of all the remaining chemicals of the hub body.

The needle hub is composed of a needle body is coupled to the front end of the needle, the rear end is introduced into the tip and coupled to the hub body, the hub body is coupled to the inside of the tip in the interfering manner to the predetermined portion The locking jaw may be formed so that the hub body is not separated.

The tip is preferably formed in the front end of the locking jaw to prevent separation of the needle hub.

The needle hub is spaced apart from the outer periphery of the hub body by a predetermined interval, the cylindrical fixed ribs surrounding the hub body is further configured to be in close contact with the outer periphery of the tip it is preferable to prevent the flow of the needle hub.

The hub body may further include an inflow preventing jaw to prevent the hub body from flowing into the tip of the outer cylinder at the front end of the locking jaw.

The locking jaw may be formed on the front and rear ends of the inclined surface, respectively.

The hub body has a hemispherical coupling groove is formed at a predetermined interval on the inner circumference of the hub, the coupling rod is a hemispherical protrusion is coupled to the coupling groove on the outer circumference is formed at a predetermined interval, the chemical liquid of the syringe for the driver Preferably, the injection rod is coupled to the needle hub.

According to the improved syringe according to the present invention, since the body of the needle hub is coupled to the inside of the tip of the outer cylinder, the material cost for manufacturing the hub body is reduced, and the exposure length of the needle hub to be covered is shortened the needle protection cap It can be made shorter the length of the material can be reduced.

In addition, according to the improved syringe according to the present invention, since the hub body is introduced into the tip, the chemical liquid does not remain in the tip, and the injection rod is connected to the inside of the hub body at the front end of the chemical injection rod during injection, so as to distribute the hub body. It is possible to inject all of the chemical liquid remaining slightly inside, thereby preventing the waste of expensive chemical liquid.

When the injection of the chemical solution is completed, the chemical injection rod is not easily separated from the external cylinder to prevent reuse of the syringe, and serves as a safety syringe to prevent transmission from the infectious patient to the medical staff or other patients. At the same time, it is easy to check whether the syringe is for technician use.

1 is an exploded perspective view showing a conventional syringe,
Figure 2 is an exploded perspective view showing an improved syringe according to a first embodiment of the present invention,
Figure 3 is a side cross-sectional view showing the needle hub structure of the improved syringe according to the first embodiment of the present invention,
Figure 4 is a side cross-sectional view showing the structure of an improved syringe according to a first embodiment of the present invention,
Figure 5 is an exploded perspective view showing an improved syringe according to a second embodiment of the present invention,
Figure 6 is a side cross-sectional view showing the structure of an improved syringe according to a second embodiment of the present invention.

Hereinafter, an improved syringe according to a first embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is an exploded perspective view showing an improved syringe according to a first embodiment of the present invention, Figure 3 is a side cross-sectional view showing the needle hub structure of the improved syringe according to the first embodiment of the present invention, Figure 4 A side cross-sectional view showing the structure of an improved syringe according to a first embodiment of the invention.

Referring to this, since the improved syringe 40 according to the first embodiment of the present invention has a structure in which the body of the needle hub is coupled to the inside of the tip of the outer cylinder, the material cost for manufacturing the hub body is reduced, and the injection to be covered. Since the exposure length of the needle hub is shortened, the length of the needle protection cap can be shortened, thereby reducing the material cost. Since the hub body is introduced into the tip, no chemical liquid remains on the tip, and the coupling rod is placed at the front end of the chemical injection rod. Since it is formed and coupled to the hub body, it is possible to inject all of the drug solution remaining in the inside of the distribution path of the hub body to prevent the waste of expensive drug solution.

In the improved syringe 40 according to the first embodiment of the present invention, a chemical liquid filling space 8 for filling an injection chemical liquid is formed therein, and an injection needle hub 70 inside the tip 14 formed at the front end thereof. The outer cylinder 4 for inserting and engaging is configured, and the outer cylinder 4 is provided with a cylindrical body 6.

In addition, the improved syringe 40 according to the first embodiment of the present invention has a chemical liquid injection rod 16 for pressing the chemical liquid filled inside the outer cylinder 4 in the direction of the needle, and the front end of the body 74 The needle 32 is coupled, the needle hub 70 is coupled to the lower end of the body 74 into the tip 14 so that the chemical liquid does not remain in the interior space of the tip 14, and the needle hub Is coupled to the 70 is made of a needle protection cap 34 for protecting the needle 32.

Accordingly, the improved syringe 40 according to the first embodiment of the present invention has a structure in which the body 74 of the needle hub 70 is introduced into the tip 14 of the outer cylinder 4 to be coupled to the hub body 74. Material cost is reduced, and since the exposure length of the needle hub 70 to be covered is shortened, the length B of the needle protection cap 34 can be shortened, thereby reducing the material cost.

That is, since the outer periphery of the hub body 74 is introduced into the tip 14 formed at the front end of the outer cylinder 4, the exposure length of the needle hub 70 to be protected is shortened so that the needle protection cap 34 The overall length of the can be produced short, thereby reducing the manufacturing cost of the needle protection cap 34.

In addition, in the improved syringe 40 according to the first embodiment of the present invention, since the hub body 74 is introduced into the tip 14, the chemical liquid does not remain in the tip 14, whereby the tip 14. All of the remaining chemical liquid can be injected, thereby preventing the waste of expensive chemical liquid.

On the other hand, the outer cylinder 4 has a cylindrical body (6) formed with a chemical filling space (8) therein, the lower end of the body (6) has a coupling hole 10 through which the chemical injection rod 16 is introduced And a handle rib 12 extending in the vertical direction from the lower end of the body 6 is formed.

In addition, the front end of the body 6 is composed of a tip 14 which is coupled to the body 74 of the needle hub 70 is introduced into the inside, the front end of the tip 14 is a vertically bent locking jaw ( 15) is formed.

Therefore, when the hub body 74 of the needle hub 70 is introduced into the tip 14 of the outer cylinder 4 and coupled thereto, the hub body 74 of the needle hub 70 is inside the tip 14. Since is filled, there is almost no space for the chemical liquid to remain inside the tip (14).

On the other hand, the chemical liquid injection rod 16 is provided with a support plate 18 for imparting a supporting force in the longitudinal direction, the front end of the support plate 18 can push the filled chemical liquid in close contact with the inner circumference of the outer cylinder (4) The rubber plate 22 is attached to it.

More specifically, the needle hub 70 is composed of a hub body 74 is coupled to the front end of the needle 32, the rear end is introduced into the tip 14, the hub body 74, the hub body 74 is coupled by an interference fit into the tip 14.

At this time, the needle 32 is bonded to the inner circumference of the hub body 74 by the epoxy bond 75a, and preferably, the hub body 74 is seated with the lower end of the inner channel bent in the center direction. The jaw 75 is formed so that the injection needle 34 is inserted deeply and supported by the seating jaw 75 of the hub body 74.

In addition, in order to prevent the hub body 74 coupled to the inside of the tip 14 in an interference fit manner at random, a locking jaw 77 is formed at a predetermined outer peripheral portion of the hub body 74. , The locking jaw 77 is formed in the front and rear ends of the inclined surfaces (78b, 78c) to ensure a smooth fit, and also forms the inclined surface (78a) in the lower end of the hub body 74 tip 14 Make it easy to pass through the coupling hole of.

The locking jaw 15 formed at the front end of the tip 14 corresponds to the locking jaw 77 formed at the outer circumference of the hub body 74 to prevent arbitrary detachment of the hub body 74.

In addition, the front end of the needle hub 70 is bent from the hub body 74 is formed in parallel with the hub body 74 is formed with a fixed rib 72 tightly fixed to the outer periphery of the tip (14). That is, the fixed rib 72 has a cylindrical structure that surrounds the outer circumference of the hub body 74 while being spaced apart from the outer circumference of the hub body 74.

Therefore, the hub body 74 is in close contact with the inner circumference of the tip 14, the fixed rib 72 is in close contact with the outer circumference of the tip 14, so that the needle hub 70 with respect to the syringe outer cylinder 4 It is fixed not to flow.

Hereinafter, an improved syringe according to a second embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 5 is an exploded perspective view showing an improved syringe according to a second embodiment of the present invention, Figure 6 is a side cross-sectional view showing the structure of the improved syringe according to a second embodiment of the present invention.

Since the improved syringe 140 according to the second embodiment of the present invention has a structure in which the body of the needle hub is coupled to the inside of the tip of the outer cylinder, the material cost for manufacturing the hub body is reduced, and the exposure length of the needle hub to be covered. Since the shorter the length of the needle protection cap can be manufactured to shorten the material cost.

In addition, the improved syringe 140 according to the second embodiment of the present invention because the hub body is introduced into the tip of the chemical solution does not remain in the tip, the coupling rod is formed in the front end of the chemical injection rod is coupled to the hub body It is possible to inject all of the chemical liquid remaining in the inside of the distribution path of the hub body to prevent the waste of expensive chemical liquid.

In addition, the improved syringe 140 according to the second embodiment of the present invention, when the injection of the drug solution is completed, since the coupling rod of the drug injection rod is coupled to the inside of the hub body, the drug injection rod is not easily detached from the outer cylinder, whereby the medical staff by the drug solution Contamination can be prevented and other patients can be easily checked.

To this end, the improved syringe 140 according to the second embodiment of the present invention is formed with a chemical filling space 146 for filling the injection medicine therein, the needle hub in the tip 150 formed in the front end An outer cylinder 142 for inserting and engaging the 170 is configured.

In addition, the improved syringe 140 according to the second embodiment of the present invention is a chemical liquid injection rod 156 for pressing the chemical liquid filled inside the outer cylinder 142 in the direction of the needle, and the front end of the body 172 The needle 32 is coupled, the needle hub 170 is coupled to the lower end of the body 172 into the tip 150 so that no chemical liquid remains in the tip 150 internal space, and the needle hub Is coupled to the 170 is made of a needle protection cap 34 for protecting the needle 32.

Therefore, the improved syringe 140 according to the second embodiment of the present invention has a structure in which the needle hub body 172 flows into the tip 150 of the outer cylinder 142 and is coupled thereto, thereby manufacturing the hub body 172. Material cost is reduced, and since the exposure length of the needle hub 170 to be covered is shortened, the length B of the needle protection cap 34 can be shortened, thereby reducing the material cost.

That is, since the lower end of the hub body 172 is introduced into the tip 150 of the outer cylinder 142, the diameter of the hub body 172 should be made small, thereby reducing the manufacturing cost of the hub body 172. have. In addition, since the lower end of the hub body 172 is introduced into the tip 150 of the outer cylinder 142, the exposure length of the needle hub 170 to be covered is shortened to shorten the overall length of the needle protection cap 34 Since it can be manufactured, the manufacturing cost of the needle protection cap 34 can be reduced.

In addition, the improved syringe 140 according to the second embodiment of the present invention, since the hub body 172 is introduced into the tip 150, the chemical liquid does not remain in the tip 150, thereby tip 150 All of the remaining chemicals can be injected, thereby preventing the waste of expensive chemicals.

On the other hand, the outer cylinder 142 has a cylindrical body 144 is formed with a chemical liquid filling space 146 therein, the lower end of the body 144 is a coupling hole 148 into which the chemical liquid injection rod 156 is introduced And a handle rib 12 extending in the vertical direction from the lower end of the body 144 is formed.

In addition, the front end of the body 144 is composed of a tip 150, the hub body 172 of the needle hub 170 is coupled to the coupling portion 154 therein, the front end of the tip 150 is a coupling hole 152 is formed, the inner circumference of the coupling portion 154 is configured to be in close contact with the outer circumference of the hub body 172 of the needle hub 170.

Therefore, when the hub body 172 of the needle hub 170 is introduced into the tip 150 of the outer cylinder 142 and combined, the inside of the tip 150 is the hub body 172 of the needle hub 170. ) Is filled, so there is almost no space for the chemical liquid to remain inside the tip 150.

On the other hand, the chemical injection rod 156 is provided with a support plate 158 for imparting a supporting force in the longitudinal direction, the front end of the support plate 158 can push the filled chemical liquid in close contact with the inner periphery of the outer cylinder 142 Rubber plate 22 is attached so that the front end of the rubber plate 22 is introduced into the needle hub body 172 inside the coupling rod 162 for injecting all the remaining chemical solution of the hub body 172 This is further formed.

That is, when the chemical liquid injection rod 156 is pressed to push the chemical liquid filled in the outer cylinder 142, the coupling rod 162 formed at the front end of the chemical liquid injection rod 156 flows into the hub body 172. Therefore, even the remaining chemical in the hub body 172 can be injected into the patient's body.

More specifically, the needle hub 170 has a needle body 32 is coupled to the front end, the rear end of the hub body 172 is introduced into the tip 150 is coupled, the hub body ( 172 is coupled by an interference fit into the tip 150.

In addition, in order to prevent the hub body 172 coupled to the inside of the tip 150 in an interference fit manner at random, the locking jaw 177 is formed at a predetermined outer peripheral portion of the hub body 172. , The engaging jaw 177 is inclined surface (178b, 178c) is formed at the front and rear end thereof, respectively, so that a smooth interference fit is made, and also the bottom surface of the hub body 172 also forms an inclined surface (178a) tip 150 To easily pass through the coupling hole (152).

In particular, the hub body 172 is about the outer periphery is almost close to the inner circumference of the coupling portion 154, the coupling hole of the tip 150 by the inclined surface (178a) formed on the lower end of the hub body 172 ( 152 can be passed easily.

In addition, the hub body 172 is further formed in the front end of the locking jaw 177 further formed inflow prevention jaw 176 to prevent the hub body 172 is introduced into the tip 150 of the outer cylinder 142. The bar between the inflow prevention step 176 and the locking step 177 becomes a shape in which the coupling groove 174 is formed by a step. The coupling hole 152 of the tip 150 is coupled to the coupling groove 174.

On the other hand, the improved syringe 140 according to the second embodiment of the present invention is the outer cylinder because the coupling rod 162 of the chemical injection rod 156 is coupled to the inside of the hub body 172 when the injection of the chemical solution to the patient's body is completed The medicament injection rod 156 is not easily separated from the 142, thereby preventing contamination of the medical staff or other patients by the medicinal solution, and easily confirming whether or not the syringe is for an engineer.

To this end, the hub body 172 is a hemispherical coupling groove 180 is formed at a predetermined interval on the inner circumference of the inside, the coupling rod 162 is a coupling groove 162 on the outer circumference of the coupling rod 164 Hemispherical protrusions 166 to be coupled with are formed at regular intervals.

Therefore, when the chemical liquid injection rod 156 is pushed to the front end of the outer cylinder 142 for the chemical liquid injection, the coupling rod 162 formed at the front end of the chemical liquid injection rod 156 is introduced into the hub body 172 The protrusion 166 formed on the outer circumference of the coupling rod 164 is forced into the inner circumference of the hub body 172 while flowing out the chemical liquid remaining in the hub body 172 in the direction of the needle 32. It is coupled to the formed coupling groove (80). Thus, unless the medical staff separately pulls the chemical injection rod 156 to the rear, the chemical injection rod 156 is maintained in a state coupled to the outer cylinder 142, the collection is easy, the outer cylinder 142 It is possible to prevent any residual chemicals from leaking out of the inside and contaminating the medical staff or patients.

Meanwhile, the improved syringes 40 and 140 according to the present invention maintain the state in which the chemical injection rod 156 is coupled to the outer cylinder 142 after the injection of the chemical solution, but the injection needle made of metal like the conventional needle disposal device. It is also possible to melt the needle by cutting or passing a current, and at the same time burn the residues left in the needle. This can double the effect of recycling the syringe and preventing transmission due to the syringe.

As mentioned above, the present invention has been described in detail through preferred embodiments, but the present invention is not limited thereto and may be variously implemented within the scope of the claims.

40, 140: improved syringe 42, 142: outer cylinder
44, 144: Body 50, 150: Tip
56, 156: chemical injection rod 62: binding rod
66: projection 70, 170: needle hub
72, 172: hub body 77, 177: locking jaw

Claims (9)

  1. A space for filling the injection medicine therein, the outer cylinder for inserting and inserting the needle hub into the tip formed at the front end thereof;
    A chemical liquid injection rod for pressurizing the chemical liquid filled in the outer cylinder in a needle direction;
    An injection needle having a needle coupled to a front end of the body, and a lower end of the body coupled to the inside of the tip such that no chemical liquid remains in the tip inner space;
    It is made of a needle protective cap coupled to the needle hub to protect the needle,
    The needle hub is composed of a needle body is coupled to the front end of the needle, the rear end is introduced into the tip and coupled to the hub body, the hub body is coupled to the inside of the tip in the interfering manner to the predetermined portion The hooking jaw is formed so that the hub body is not separated, and is formed to be bent and extended at the front end of the hub body so as to be spaced apart from the outer circumference of the hub body, and the cylindrical fixed rib surrounding the hub body is further configured, thereby forming the outer periphery of the tip. The improved syringe, which is in close contact with and prevents the flow of the needle hub.
  2. The method of claim 1,
    The outer cylinder is formed of a cylindrical body formed with a chemical filling space therein, a coupling hole is formed in which the lower end of the body is opened, a handle rib formed in a vertical direction extending from the lower end of the body is formed, the front end of the body is injected The needle hub is composed of a tip coupled to the inner coupling portion, the inner circumference of the coupling portion is improved syringe, characterized in that in close contact with the outer circumference of the needle hub body.
  3. The method of claim 1,
    The chemical liquid injection rod is provided with a support plate for imparting a supporting force in the longitudinal direction, the front end of the support plate is attached to the rubber plate so as to push the filled chemical liquid in close contact with the inner circumference of the outer cylinder, the center of the front end of the rubber plate The improved syringe, characterized in that the coupling rod is further formed to be introduced into the needle hub body to inject all the remaining chemical liquid of the hub body.
  4. delete
  5. The method of claim 2,
    The tip is a jaw formed in the front end of the improved syringe, characterized in that to prevent the separation of the needle hub.
  6. delete
  7. The method of claim 1,
    The hub body is an improved syringe, characterized in that the inlet preventing jaw is further formed to prevent the hub body from flowing into the tip of the outer cylinder at the front end of the locking jaw.
  8. The method of claim 1,
    The locking jaw is an improved syringe, characterized in that the inclined surface is formed at the front and rear ends, respectively.
  9. The method of claim 3,
    The hub body has a hemispherical coupling groove is formed at a predetermined interval on the inner circumference of the hub, the coupling rod is a hemispherical protrusion is coupled to the coupling groove on the outer circumference is formed at a predetermined interval, the chemical liquid of the syringe for the driver An improved syringe, characterized in that the injection rod can be coupled to the needle hub.
KR1020100024122A 2010-03-18 2010-03-18 Improved disposable syringe KR100981244B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100024122A KR100981244B1 (en) 2010-03-18 2010-03-18 Improved disposable syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100024122A KR100981244B1 (en) 2010-03-18 2010-03-18 Improved disposable syringe

Publications (1)

Publication Number Publication Date
KR100981244B1 true KR100981244B1 (en) 2010-09-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100024122A KR100981244B1 (en) 2010-03-18 2010-03-18 Improved disposable syringe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018012744A1 (en) * 2016-07-13 2018-01-18 최병일 Medical thread embedding device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5328466A (en) 1993-07-15 1994-07-12 Demark Kristine E Syringe and needle assembly
US6149623A (en) 1996-01-11 2000-11-21 Duoject Medical Systems Inc. Delivery system for pharmaceuticals packed in pharmaceutical vials
KR20050004982A (en) * 2003-07-01 2005-01-13 밍 쳉 슈이 Disposable syringe
KR20090011204U (en) * 2008-04-29 2009-11-03 이춘발 Save needle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5328466A (en) 1993-07-15 1994-07-12 Demark Kristine E Syringe and needle assembly
US6149623A (en) 1996-01-11 2000-11-21 Duoject Medical Systems Inc. Delivery system for pharmaceuticals packed in pharmaceutical vials
KR20050004982A (en) * 2003-07-01 2005-01-13 밍 쳉 슈이 Disposable syringe
KR20090011204U (en) * 2008-04-29 2009-11-03 이춘발 Save needle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018012744A1 (en) * 2016-07-13 2018-01-18 최병일 Medical thread embedding device
TWI644645B (en) * 2016-07-13 2018-12-21 崔炳一 Medicine thread embedding device

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