KR102387319B1 - Medical syringe safety box and safety syringe equipped with the same - Google Patents

Abstract

The present invention relates to a medical syringe safety barrel and a safety syringe equipped therewith. In particular, during movement, the outer tube is pushed to a certain length to hide the needle, and when administering drugs to a patient, the syringe is advanced to the outer tube together with the luer lock connector for use, and injection Afterwards, the syringe is pulled to the end of the outer cylinder and locked, so that the needle is accommodated inside the outer cylinder and the risk has disappeared, and it is about a medical syringe safety box and a safety syringe equipped with it. .
The medical syringe safety barrel 1000 of the present invention has a syringe fitting hole 1110 through which the syringe 2000 is fitted to the axial center in one direction, and the syringe 2000 is formed at a predetermined depth on the opposite side to which the outer cylinder lid is fitted. An outer cylinder 1100 having an outer cylinder lid seating portion to be seated and fitted, and a luer lock guide formed in the axial direction from the outer cylinder lid seating portion to the syringe fitting hole, and the outer cylinder lid seating portion toward the luer lock guide. In addition, it is possible to move in the axial direction up to a certain length range in the axial direction, and cannot move in the axial direction after a certain length, while the injection needle 3100 can be fastened in the axial direction of the outer cylinder lid seating part, In the axial direction opposite to the lid seating part, it is characterized in that it includes a luer lock connector 1200 to which the syringe 2000 can be fastened, and an external cylinder lid 1300 that is seated in the external cylinder lid seating part and does not fall out.

Description

Medical syringe safety box and safety syringe equipped with the same}

The present invention relates to a safety syringe for medical use, and more particularly, the needle is hidden by pushing the outer cylinder to a certain length during movement, and when administering drugs to a patient, the syringe is advanced to the outer cylinder together with the luer lock connector for use, and the syringe after injection It relates to a safety syringe for medical syringes and a safety syringe equipped with it, which can be disposed of as general waste by pulling the needle to the end of the outer cylinder and locking it so that the needle is accommodated inside the outer cylinder and the risk is eliminated.

For medical practitioners who typically use needles for occupation, the risk of injury and possible hepatitis from HIV or hepatitis B virus is well documented.

In addition, people in the habit of self-medicating themselves are at serious risk of coming into contact with any one of the specific viruses, or actually coming into contact with other viruses if the needle once used is reused in an unsterile form.

There have been many proposals aimed at reducing the number of so-called needle puncture wounds, and various attempts to provide a safety system for handling needles once used, but these previous proposals have drawbacks.

Conventionally, retractable surgical needles are used, and in order to prevent cross-hepatitis of disease by preventing the reuse of syringes, as well as to reduce needle puncture wounds, the surgical needle used once is permanently replaced in a practically safe way. For storage, the title of the invention of Republic of Korea Patent Registration No. 10-1419905 "Disposable safety syringe having a retractable needle" is known.

The Republic of Korea Patent Registration No. 10-1419905 discloses a disposable, retractable safety syringe having a retractable needle, and the syringe is a hollow cylinder, a plunger that is slidably fitted to the cylinder, and the front of the plunger wherein the syringe also includes a ring positioned at the front of the cylinder, the ring fitting to the front open end of the hollow cylinder, while the ring has a shaft for supporting the needle hub, the end of the plunger It consists of a means engaged with the ring so that the ring can be retracted together with the needle at the completion of the injection.

However, this No. 10-1419905 is difficult to use in the field due to the inconvenience of having to break the plunger at the breaking point as well as the high manufacturing cost because many parts have to be manufactured separately because the existing syringe and needle cannot be used. , It was difficult to use the filter in the syringe needle.

Reference: Republic of Korea Patent Registration No. 10-1419905 Title of the invention "Disposable safety syringe with a retractable needle".

The present invention has been devised to solve the above requirements. During movement, the outer tube is pushed to a certain length to hide the needle, and when administering drugs to the patient, the syringe is advanced along with the Luer lock connector to the front of the outer tube. After injection, the syringe is pulled up to the rear end of the outer cylinder and locked, so that the needle is accommodated inside the outer cylinder and the risk is eliminated. Its purpose is to provide

The medical syringe safety barrel according to the present invention for achieving the above object is formed with a syringe fitting hole through which the syringe is inserted in one direction axial center, and a predetermined depth on the opposite side where the syringe is inserted, so that the outer cylinder cap is seated and fitted. An outer cylinder having a falling outer cylinder lid seating portion, a luer lock guide formed in the axial direction of the syringe fitting hole from the outer cylinder lid seating portion, and fitted with a luer lock guide toward the outer cylinder lid seating portion, and a certain length in the axial direction The axial movement is possible up to the range, and it becomes impossible to move in the axial direction after a certain length, while the injection needle can be fastened in the axial direction of the outer cylinder lid seat side, and the syringe in the axial direction opposite to the outer cylinder lid seat side It includes a luer lock connector that can be fastened, and an outer cylinder lid that is seated on the outer cylinder lid seating portion so as not to fall out.

Here, it is characterized in that the outer cylinder is further provided with an outer tube operation protrusion protruding with a predetermined width, length, and height at a predetermined position on the outer peripheral surface of the outer cylinder.

And the outer cylinder lid seating portion, the outer cylinder lid locking jaw formed on the inner peripheral surface at a predetermined distance from the end of the syringe fitting hole opposite to which the syringe is inserted, and the outer cylinder lid at the end of the syringe fitting hole opposite to which the syringe is fitted When the outer cylinder lid is assembled It is characterized in that the outer cylinder lid accommodating groove formed deeply so that the upper surface of the outer cylinder lid does not protrude to the end of the outer cylinder is formed.

In addition, the luer lock connector includes a luer lock body configured to be movable in the axial direction along the syringe fitting hole, at least one axial movement guide protrusion formed on the outer circumferential surface of the luer lock body in a direction perpendicular to the axial direction, and the luer at least one hook provided on the outer circumferential surface of the lock body so as to be elastically operated in the axial direction and at right angles to the luer lock body; A needle assembly part that extends integrally toward the upper part of the luer lock body in the axial direction and is fastened with the needle of the needle, and the needle assembly part protrudes in the form of an annular band on the outer peripheral surface of the needle assembly part so that it is caught primarily on the inner peripheral surface of the outer cylinder lid and is applied with great force. When pulled from the syringe side, an annular projection is provided that passes through the inner circumferential surface of the outer cylinder lid and moves toward the syringe.

On the other hand, the luer lock guide portion includes an axial movement inner projection guide groove formed so that the axial movement inner projection of the luer lock connector is inserted from the outer cylinder lid seating portion and guided in the axial direction to move downward in the axial direction up to a predetermined length; The hook of the luer lock connector is inserted from the outer cylinder lid seat side and guided in the axial direction so that it can move in the axial direction up to a certain length. It is characterized by having a guide groove.

In addition, the outer cylinder lid, an annular lid engaging jaw fitted to be caught by the outer cylinder lid engaging jaw, and the outer cylinder lid receiving groove in the axial direction opposite to the lid engaging jaw, the upper surface is not projected to the end of the outer cylinder It is characterized in that it consists of an outer cylinder lid flange, and a luer lock connection release hole which is formed through the axial direction of the lid engaging jaw and the outer cylinder lid flange and has a diameter slightly smaller than the outer diameter of the annular projection of the luer lock connector.

In addition, the safety syringe with a medical syringe safety cylinder of the present invention is fastened to a syringe in which a syringe cylinder and a piston and a syringe plunger are sequentially assembled to the luer lock connector in the axial direction, and a needle cap is attached to the needle in the axial direction at the top. The assembled needle is fastened.

As described above, according to the medical syringe safety barrel and the safety syringe equipped with the same according to the present invention, the needle is hidden by pushing the outer tube a certain length during movement, and when administering drugs to the patient, the syringe is advanced to the outer tube together with the luer lock connector for use. , After injection, the syringe is pulled to the end of the outer cylinder and locked, so that the needle is accommodated inside the outer cylinder, and the risk is eliminated.

1 is a perspective view showing a medical syringe safety container according to an embodiment of the present invention,
Figure 2 is an exploded perspective view of Figure 1;
3 is a front view of FIG. 1;
4 is a cross-sectional view taken along line A - A of FIG. 3;
5 is an explanatory view of the use state showing a state in which the needle and the syringe are combined in the syringe safety box of FIG. 1;
Figure 6 is an exploded perspective view of Figure 5;
7 is a longitudinal sectional view of FIG. 5 ;
8 is a longitudinal sectional view in the other direction of FIG. 5;
9 is an explanatory view of the use state in which the needle cap is removed in the state of FIG. 5 and the drug is injected into the syringe;
10 is a cross-sectional view of a state in which the syringe is separated in a state in which the drug is injected and discarded in the state of FIG. 9 .

Hereinafter, with reference to the accompanying drawings, a medical syringe safety barrel and a safety syringe equipped therewith according to an embodiment of the present invention will be described in detail.

In adding reference numerals to the components of the drawings, only the same components are to have the same reference numerals as possible even if they are displayed on different drawings, and a known function determined to unnecessarily obscure the gist of the present invention. and a detailed description of the configuration will be omitted. Also, directional terms such as 'top', 'bottom', 'front', 'back', 'lead', 'front', 'rear', etc. are used in connection with the orientation of the disclosed figure(s). The directional terminology is used for purposes of illustration and not limitation, as components of embodiments of the present invention may be positioned in various orientations.

The medical syringe safety barrel 1000 of the present invention, as shown in FIGS. 1 to 9, the syringe 2000 is fitted to the axial center in one direction, and the outer cylinder lid seat part and the luer lock on the opposite side to which the syringe is fitted. An outer cylinder 1100 having a guide portion, a luer lock connector 1200 fitted to the luer lock guide toward the outer cylinder lid seating portion, and an outer cylinder lid 1300 that is seated on the outer cylinder lid seating portion to prevent falling out. .

In other words, the medical syringe safety barrel 1000 of the present invention has a syringe fitting hole 1110 through which the syringe 2000 is fitted in one direction axial center, and the syringe 2000 is formed at a predetermined depth on the opposite side to which the syringe 2000 is fitted. An outer cylinder (1100) having an outer cylinder lid seating portion to which the outer cylinder lid is seated and fitted, a luer lock guide formed in the axial direction of the syringe fitting hole from the outer cylinder lid seating portion, and a luer lock guide portion toward the outer cylinder lid seating portion In addition to fitting and fitting, the axial movement is possible up to a certain length range in the axial direction, and it is impossible to move in the axial direction after a certain length, while the injection needle 3100 is fastened in the axial direction of the outer cylinder lid seating part. Possibly, in the axial direction opposite to the outer cylinder lid seating portion, a luer lock connector 1200 to allow the syringe 2000 to be fastened, and an outer cylinder lid 1300 that is seated on the outer cylinder lid seating portion and does not fall out.

Therefore, after sequentially assembling the luer lock connector 1200 and the outer cylinder lid 1300 to the outer cylinder 1100, the syringe 2000 is pushed in the opposite side of the outer cylinder lid 1300 to connect the luer lock connector 1200. Next, with the luer lock connector 1200 protruding toward the outer cylinder lid 1300, the needle 3000 equipped with the injection needle 3100 and the needle lid 3200 is fastened to prepare an injection. During movement, the outer cylinder 1100 is pushed forward from the syringe cylinder 2100 to a certain length to hide the injection needle 3100, and when administering drugs to the patient, the syringe 2000 is inserted into the syringe cylinder 2100 with the luer lock connector 1200 and the outer cylinder 1100. In addition to being used by advancing toward the needle 3100 of In this disappearing state, there is an effect that it can be separated from the syringe 2000 and treated as general waste.

Here, an outer tube operation protrusion 1160 protruding to a predetermined position on the outer peripheral surface of the outer tube 1100 with a predetermined width, length, and height is further provided.

Therefore, when accommodating the drug in the syringe cylinder 2100 by pulling the syringe plunger 2300 back in the state of assembling the syringe 2000 on the inner side of the outer cylinder 1100 in the axial direction, the outer cylinder 1100 with one hand. It is easy to hold the 1160 and the syringe plunger 2300 at the same time and pull the syringe plunger 2300 back, making it very convenient to use.

And the outer cylinder lid seating portion, the outer cylinder lid engaging jaw 1120 formed on the inner peripheral surface at a predetermined distance from the end of the syringe fitting hole 1110 opposite to which the syringe 2000 is fitted, and the syringe 2000 is fitted When the outer cylinder lid 1300 is assembled at the end of the opposite syringe fitting hole 1110, the outer cylinder lid accommodating groove 1130 formed deeply so that the upper surface of the outer cylinder lid does not protrude to the end of the outer cylinder is formed.

Therefore, the outer cylinder lid 1300, which will be described later, is caught on the outer cylinder lid engaging jaw 1120 so that the outer cylinder lid 1300 is not easily removed from the upper end of the outer cylinder 1100. Of course, the outer cylinder lid receiving groove The outer cylinder lid cover 1320 of the outer cylinder lid 1300 is seated on the 1130 and does not protrude to the upper part of the outer cylinder 1100, so that users cannot easily separate the outer cylinder lid 1300 from the outer cylinder 1100, so that the reuse of It has the effect of being sanitary and safe by inducing total disposal by preventing danger.

In addition, the luer lock guide part is formed so that an axial movement guide protrusion 1220 to be described later of the luer lock connector 1200 is inserted from the outer cylinder lid seating part and guided in the axial direction to move downward in the axial direction up to a certain length. The movement guide protrusion guide groove 1140 and the hook 1230 of the luer lock connector 1200 are inserted from the above-described outer cylinder lid seating portion and guided in the axial direction so as to be movable in the axial direction up to a certain length, and a predetermined length section It includes a disposal selection guide groove 1150 that is not able to move toward the outer cylinder lid seating part over riding the return sill 1151 when it is exceeded.

Here, the protrusion guide groove 1140 during axial movement is formed at positions facing each other in this embodiment, and the discard selection guide groove 1150 is 90 degrees apart from the guide groove 1140 during the axial direction movement. It is installed to face each other at the specified position and is used to fasten or separate the syringe 2000 and the needle 3000 to the luer lock connector 1200 by means of an axial movement guide protrusion 1220 and a hook 1230, which will be described later. It is firmly fitted to facilitate fastening.

Therefore, the axial movement inner protrusion guide groove 1140 allows the axial movement inner projection 1220 to move in the axial movement inner projection guide groove 1140 and at the same time restricts the movement toward the syringe 2000 to prevent the luer lock. To prevent the connector 1200 from falling out from the outer cylinder 1100 to the side to which the syringe 2000 is fastened, the disposal selection guide groove 1150 is a return barrier 1151 at the position where the injection needle 3100 of the outer cylinder 1100 is assembled. ), the luer lock connector 1200 is movable in the axial direction in the axial direction, but when the hook 1230 is pulled to exceed the return threshold 1151, it is caught on the return threshold 1151 by the hook 1230 and the outer cylinder lid 1300 ) side, so that the needle 3100 can be disposed of in a state accommodated inside the outer tube 1100, there is an effect that can prevent the nurse, etc. from being pierced by the needle 3100 and being exposed to diseases.

On the other hand, the luer lock connector 1200 includes a luer lock body 1210 that is movable in the axial direction along the syringe fitting hole 1110, and is formed to protrude from the outer peripheral surface of the luer lock body in the axial direction and at right angles to the luer lock body. At least one axial movement inner protrusion 1220, at least one hook 1230 provided on the outer circumferential surface of the luer lock body to elastically operate in the axial direction and at right angles to the outer peripheral surface of the luer lock body, and the shaft of the luer lock body 1210 The syringe fastening part 1240 integrally extended downward in the direction to be fastened with the syringe cylinder 2100 of the syringe 2000, and the luer lock body 1210 integrally extended toward the axial upper part of the needle 3000 The needle assembly part 1250 to be fastened with the needle 3100 and the outer peripheral surface of the needle assembly part protrude in the shape of an annular band and catch primarily on the inner peripheral surface of the outer cylinder lid. An annular protrusion 1260 is provided to pass through and move toward the syringe.

Therefore, the luer lock body 1210 moves in the axial direction along the syringe fitting hole 1110, and the axial movement inner projection 1220 and the hook 1230 move in the axial direction through the inner projection guide groove 1140. and the disposal selection guide groove 1150, when the syringe 2000 and the needle 3000 are fastened to or separated from the luer lock connector 1200 by the axial movement guide protrusion 1220 and the hook 1230 It is firmly fitted in the guide position to facilitate the fastening, while the syringe 2000 and the needle 3000 can be fastened or disassembled to the syringe fastening part 1240 and the needle assembling part 1250.

In addition, the outer cylinder lid 1300, the annular lid engaging jaw 1310 fitted to be caught by the outer cylinder lid engaging jaw 1120, and the one-piece lid accommodating groove 1130 opposite the axial direction of the lid engaging jaw. The outer cylinder lid flange 1320 is formed so that the upper surface does not protrude toward the end of the outer cylinder, the lid engaging jaw 1310 and the outer cylinder lid flange 1320 are formed through in the axial direction, and the luer lock connector 1200 of the It consists of a luer lock disconnection hole 1330 having a diameter slightly smaller than the outer diameter of the annular protrusion 1260 .

Therefore, when the outer cylinder lid 1300 is seated with the outer cylinder lid engaging jaw 1120 and the outer cylinder lid accommodating groove 1130 as the outer cylinder lid seating portion, the lid engaging jaw 1310 and the outer cylinder lid flange 1320 are seated, the lid engaging jaw ( 1310) is caught on the outer cylinder lid engaging jaw 1120 so that the outer cylinder lid 1300 does not fall out of the outer cylinder 1100, while the upper surface of the outer cylinder lid flange 1320 protrudes to the end of the outer cylinder lid receiving groove 1130 It does not work, so the user can separate the outer cylinder lid 1300 from the outer cylinder 1100 so that it cannot be reused, which is advantageous for hygiene management, and the annular projection toward the needle 3000 through the luer lock connection release hole 1330 When 1260 protrudes, it becomes easier to give an injection to the patient, and then the luer lock connector 1200 is pulled toward the syringe 2000 so that the annular protrusion 1260 passes through the luer lock disconnection hole 1330. When accommodated in the interior of the outer cylinder 1100 is placed in a discarded state.

In addition, a syringe 2000, in which a syringe cylinder 2100, a piston 2200, and a syringe plunger 2300 are sequentially assembled, is fastened to the luer lock connector 1200 in the axial direction, and a needle ( It becomes possible to selectively fasten the needle 3000 to which the needle lid 3200 is assembled to 3100).

The embodiments of the present invention described above and shown in the drawings should not be construed as limiting the technical spirit of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can improve and change the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the protection scope of the present invention if they are obvious to those of ordinary skill in the art.

1000: medical syringe safety bottle 1100: outer cylinder
1110: syringe fitting hole 1120: outer cylinder lid jamming jaw
1130: outer cylinder lid accommodating groove 1140: axial direction inner projection guide groove
1150: disposal selection guide groove 1160: outer cylinder control projection
1200: Luer lock connector 1210: Luer lock body
1220: protrusion during axial movement 1230: hook
1240: syringe fastening part 1250: needle assembly part
1300: outer cylinder lid 2000: syringe
3000: needle

Claims (5)

A syringe fitting hole 1110 through which the syringe 2000 is inserted into the axial center in one direction, and an outer cylinder lid seating portion formed to a predetermined depth on the opposite side to which the syringe 2000 is fitted and into which the outer cylinder lid is seated and fitted, and the An outer cylinder 1100 having a luer lock guide formed in the axial direction of the syringe fitting hole from the outer cylinder lid seating portion, and
In addition to being fitted to the luer lock guide toward the outer cylinder lid seating portion, the axial movement is possible up to a certain length range in the axial direction, and the axial direction cannot be moved after a certain length, while on the other hand, the outer cylinder lid seating portion side A luer lock connector 1200 in which the needle 3100 can be fastened in the axial direction and the syringe 2000 can be fastened in the axial direction opposite to the outer cylinder lid seating part;
Medical syringe safety container, characterized in that it includes an outer cylinder lid (1300) that is seated on the outer cylinder lid seating portion so as not to fall out. The method of claim 1,
Medical syringe safety cylinder, characterized in that the outer cylinder (1100) is further provided with an outer cylinder operation protrusion protruding with a predetermined width, length and height at a predetermined position on the outer peripheral surface of the outer cylinder (1100). The method of claim 1,
The outer cylinder lid seating portion includes an outer cylinder lid engaging jaw 1120 formed on an inner peripheral surface at a predetermined distance from the end of the syringe fitting hole 1110 opposite to which the syringe 2000 is fitted, and the syringe 2000 on the opposite side into which the syringe is fitted. When the outer cylinder lid 1300 is assembled at the end of the fitting hole 1110, the outer cylinder lid accommodating groove 1130 formed deeply so that the upper surface of the outer cylinder lid does not protrude to the end of the outer cylinder is formed,
The outer cylinder lid 1300 is an annular lid engaging jaw 1310 fitted to be caught by the outer cylinder lid engaging jaw 1120, and the one-piece lid accommodating groove 1130 opposite to the axial direction of the lid engaging jaw. The outer cylinder lid flange 1320 so that the upper surface does not protrude to the end of the outer cylinder, the lid engaging jaw 1310 and the outer cylinder lid flange 1320 are formed through in the axial direction, and the annular shape of the luer lock connector 1200 Medical syringe safety container, characterized in that it consists of a luer lock connection release hole (1330) having a diameter slightly smaller than the projection (1260) outer diameter. The method of claim 1,
The luer lock connector 1200 is
The luer lock body 1210 is movable in the axial direction along the syringe fitting hole 1110, and at least one axial movement guide protrusion 1220 protruding from the outer circumferential surface of the luer lock body in the axial direction and at right angles to the luer lock body. and at least one hook 1230 provided on the outer circumferential surface of the luer lock body so as to be elastically operated in the axial direction and at right angles to the luer lock body, and a syringe (2000) extending integrally toward the lower portion of the luer lock body 1210 in the axial direction. A syringe fastening part 1240 to be fastened with the syringe cylinder 2100 of The part 1250 and the needle assembly part protrude in the shape of an annular band on the outer circumferential surface of the needle assembly part and are caught primarily on the inner circumferential surface of the outer cylinder cap. While 1260 is provided,
The luer lock guide unit,
The axial movement inner projection 1220 of the luer lock connector 1200 is fitted from the outer cylinder lid seating portion and is guided in the axial direction to move downward in the axial direction up to a certain length. An axial movement inner projection guide groove 1140 and , The hook 1230 of the luer lock connector 1200 is inserted from the outer cylinder lid seating part and guided in the axial direction to move in the axial direction up to a certain length, and if it exceeds a certain length section, it rides over the return sill and crosses the outer cylinder lid seating part Medical syringe safety container, characterized in that it is equipped with a disposal selection guide groove (1150) that cannot be moved to the side. Claims 1 to 4 of any one of the medical syringe safety container 1000 and,
A syringe 2000 in which a syringe cylinder 2100, a piston 2200, and a syringe plunger 2300 are sequentially assembled to the luer lock connector 1200 in the axial direction is fastened to the luer lock connector 1200, and the needle 3100 in the axial direction upward A safety syringe equipped with a medical syringe safety barrel, characterized in that the needle (3000) to which the needle lid (3200) is assembled is fastened.

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