WO2012148043A1

WO2012148043A1 - Auxiliary device for generating negative pressure and positive pressure for syringe

Info

Publication number: WO2012148043A1
Application number: PCT/KR2011/005536
Authority: WO
Inventors: 이희영
Original assignee: Lee Hee Young
Priority date: 2011-04-26
Filing date: 2011-07-27
Publication date: 2012-11-01

Abstract

The auxiliary device for generating a negative pressure and a positive pressure for a syringe of the present invention relates to a syringe comprising: a front end portion coupled with a syringe; a cylinder coupled to the front end portion, having a space inside, and having a first flange formed on an open end portion of the space thereof; and a pressuring means connected to a piston coupled to the space, and inserting or extracting a drug passing through a syringe through the positive pressure or the negative pressure generated by changing the pressure of the space using the piston, which interlocks by pushing or pulling with a finger a rod bar having a second flange formed on an end portion thereof, wherein the present invention is configured to be arranged horizontally outside the cylinder, have one end fixed on one of either the first flange of the cylinder or the second flange of the rod bar, and interlock the rod bar in the direction in which the bar moves straight using finger manipulation, so as to generate and vary the pressure of the space.

Description

Negative and positive pressure generation aid of syringe

The present invention relates to a negative pressure and positive pressure generating aid of a syringe, and more particularly, to a negative pressure and positive pressure generating aid of a syringe to easily perform a single injection injection or drug injection through the syringe. .

A syringe refers to a mechanism for injecting a chemical solution into a tissue of a living body, the configuration of which a tip is coupled to the needle, the tip is fitted with the tip, the cylinder is provided with a space, the rod is coupled to the space or It is composed of a rod for injecting or extracting drugs through the needle through the positive or negative pressure generated by increasing the pressure in the space in conjunction with the pushing action.

Here, the end of the cylinder and the end of the rod bar is formed so that the flanges respectively protrude.

In the case of injecting or extracting drugs into the human body through the syringe configured as described above, the negative pressure is generated by injecting the needle into the human body by holding the cylinder and the rod with both hands and then pulling the rod backward. Drugs are injected into the human body by generating positive pressure by extracting tissue or by pushing the rod forward.

However, during drug injection or tissue extraction of a syringe according to the prior art, one hand is typically used to correct the posture of an injection subject while helping to facilitate the injection or extraction of the injection such as rubbing the injection site, and the other. The hand moves the rod of the syringe forward or backward.

At this time, the injection operation of the syringe through one hand moves forward or backward while holding the flanges of the cylinder and the rod bar through the fingers, respectively, but this injection operation adds inconvenience and may cause an error in the injection procedure. There was this.

In addition, when a large amount of drug is put into the human body using a large-capacity syringe or a viscous drug is put into the human body, when a positive pressure is generated largely in the syringe space, there is a problem in that the tip portion fitted to the cylinder is separated.

On the contrary, in the case of liposuction for correcting the shape of the body, when suctioning and extracting fat having viscosity, the negative pressure is greatly generated in the syringe space, thereby making it difficult to pull the rod with one hand.

Therefore, an object of the present invention is to make it easy to perform the injection procedure to inject or extract the drug through a syringe with one hand.

In addition, it is an object of the present invention to maintain a tightly coupled state of the needle-mounted tip and the cylinder even if the positive pressure generated when the drug is injected into the human body is provided with an overload.

In addition, an object of the present invention is to allow the auxiliary device to be selectively caught outside the syringe to maintain the negative pressure generated in the syringe.

The negative pressure and positive pressure generating auxiliary device of the syringe of the present invention for achieving the above object is a front end portion is coupled to the needle, the tip portion is coupled to the space provided therein and the first flange is formed at the open end of the space Drugs are passed through the needle through the positive or negative pressure generated by changing the pressure of the space by the cylinder and the piston connected to the piston coupled to the space by pushing or pulling the rod bar with the second flange formed at the end with a finger. In the syringe consisting of a pressure means for input or extraction, it is arranged horizontally outside the cylinder one end is fixed to any one of the first flange of the cylinder and the second flange of the rod bar to move the bar straight through the operation of the finger The load bar is interlocked in the direction to generate and vary the pressure of the space.

According to the present invention, a bar is provided to correspond to the cylinder in a horizontal line, and one side of the bar is provided with a locking portion coupled to the first flange of the rod bar, and the other side of the bar is provided with a gripping portion for locking the operator's finger. It is configured to link the rod bar according to the direction of movement of the finger.

According to the present invention, the engaging portion formed on one side of the bar is coupled to the first flange end, the other side of the bar to form a bent engaging piece, the engaging portion and the engaging piece is formed in a fork shape of the tip and the cylinder Each of the flanges is coupled to prevent the tip from being separated from the cylinder due to the overload of pressure when positive pressure is generated.

According to the present invention, the gripping portion is bent toward the upper surface side of the bar is formed with a locking hole so that the fingers are caught.

According to the present invention, the engaging portion forms a contact surface bent upright on one side of the bar to be in close contact with the front surface of the rod bar flange, by forming a coupling protrusion on both sides of the contact surface, the outer periphery of the rod bar flange is in close contact with the engaging projection It is configured to engage in the space between the faces.

According to the present invention, when the side of the bar is formed to sequentially engage the projection to maintain the sound pressure generated in the space to rotate the bar at the outer periphery is configured so that the engaging projection on the flange having a streamlined shape formed at the cylinder end.

According to the present invention, the bar is slidably installed in the hollow housing in which the guide hole is opened in the longitudinal direction, and is exposed to the outside of the guide hole so that the bar can be moved forward or backward through the fixed gripping portion.

According to the present invention, the guide hole is formed in the groove sequentially, and the coupling pin is coupled to the side of the gripping portion is configured to engage the coupling pin when the rotation of the gripping portion.

As described above, the negative pressure and positive pressure generating auxiliary device of the syringe of the present invention is provided with a bar to correspond to the horizontal line and the cylinder, one side of the bar is provided with a engaging portion coupled to the first flange of the rod bar, The other side is provided with a gripping portion to hold the operator's fingers to interlock the rod bar according to the direction of movement of the finger so that the injection procedure to inject or extract the drug through the syringe can be easily performed with one hand, and the other hand Through the injection to help the procedure is effective to improve the stability of the injection method.

In addition, the negative pressure and positive pressure generating auxiliary device of the syringe of the present invention is coupled to the end portion of the first flange, the engaging portion formed on the side of the bar, the other side of the bar to form a bent engaging piece, the engaging portion and the engaging piece is a fork shape It is formed to be coupled to the tip and the flange of the cylinder, respectively, to prevent the tip from being separated from the cylinder by the overload of pressure when the positive pressure is generated, there is an effect to enable a safe drug injection procedure.

In addition, the negative pressure and positive pressure generating auxiliary device of the syringe of the present invention to form a groove in the guide hole of the housing sequentially, by engaging the coupling pin to the side of the gripping portion so that the coupling pin is caught in the yaw when rotating the gripping portion By assisting the auxiliary device to be selectively caught outside the syringe to maintain the negative pressure generated in the syringe, there is an effect of improving the operability of the syringe.

1 is an exploded perspective view showing an injection aid of the present invention.

Figure 2 is a front sectional view showing an injection aid of the present invention.

Figure 3 is a front view showing a state before the locking of the injection aid of the present invention.

Figure 4 is a front view showing a state after the locking of the injection aid of the present invention.

Figure 5 is a side view showing a state before the locking of the injection aid of the present invention.

Figure 6 is a side view showing a state after the locking of the injection aid of the present invention.

Figure 7 is an exploded perspective view showing a first alternative embodiment of the injection aid of the present invention.

8 is a plan view showing another embodiment of the injection aid of the present invention.

Fig. 9 is a sectional view showing another first embodiment of the injection aid of the present invention.

10 is an operational front view showing a first alternative embodiment of the injection aid of the present invention.

Figure 11 is an exploded perspective view showing a second alternative embodiment of the injection aid of the present invention.

12 is a sectional view showing a second alternative embodiment of the injection aid of the present invention.

Fig. 13 is a front view showing a second alternative embodiment of the injection aid of the present invention.

100: syringe 110: distal end

111: needle 120: cylinder

121: space 122: first flange

130: pressure means 131: piston

132: second flange 133: rod bar

200: auxiliary device 210: bar

211: contact surface 212: locking projection

220: engaging portion 221: contact surface

222: engaging projection 223: engaging piece

230: holding part 231: locking hole

232: coupling pin 240: housing

241: guide ball 242: groove

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, in the drawings, the same components or parts are to be noted that the same reference numerals as possible. In describing the present invention, detailed descriptions of related well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

1 is an exploded perspective view showing an injection aid of the present invention, Figure 2 is a front sectional view showing the injection aid of the present invention, Figure 3 is a front view showing a state before the locking of the injection aid of the present invention, Figure 4 5 is a front view showing a state after the locking of the injection aid of the present invention, Figure 5 is a side view showing a state before the locking of the injection aid of the present invention, Figure 6 is a side view showing a state after the locking of the injection aid of the present invention 7 is an exploded perspective view showing a first alternative embodiment of the injection aid of the present invention, FIG. 8 is a plan view showing a first alternative embodiment of the injection aid of the present invention, and FIG. 9 is an injection of the present invention. 10 is a cross-sectional view showing a first alternative embodiment of the assisting device, and FIG. 10 is an operational front view showing a first alternative embodiment of the scanning aid of the present invention, and FIG. 11 is a second alternative seal of the injection aid of the present invention. For a decomposition perspective view, Figure 12 is a cross-sectional view showing a second alternative embodiment of the injection assisting apparatus of the present invention, Figure 13 is a front view showing a second alternative embodiment of the injection assisting apparatus of the present invention.

First, as shown in Figures 1 to 6, the configuration of the syringe to which the negative and positive pressure generating auxiliary apparatus of the present invention is applied is as follows.

The syringe 100 includes a tip 110 having a needle 111 coupled thereto, a cylinder 120 engaged with the tip 110 and having a space 121 formed therein, a first flange 122 formed at an open end of the space 121, and a piston coupled to the space 121. The drug is introduced or extracted through the needle through the positive or negative pressure generated by changing the pressure in the space 121 by the piston 131 connected to the 131 by pushing or pulling the rod bar 133 having the second flange 132 formed at the end with a finger. It consists of a pressure means 130 to.

The distal end 110 may be coupled to and detached from the cylinder 120, and a protruding jaw (unsigned) is formed at an opposite end of the distal end 110 on which the needle 111 is mounted.

In addition, the cylinder 120 has a cylindrical shape, and the pressure means 130 consisting of a piston 131 connected to the rod bar 133 is coupled to the space 121 of the cylinder 120 to generate a negative pressure or a positive pressure in the space 121 according to the moving direction of the piston 131. Let's do it.

The negative pressure is generated when the piston 131 is pulled to the rear of the cylinder 120 through the rod bar 133 and used to extract the liquid tissue of the human body into the space 121 through the needle 111 penetrated into the human body.

On the contrary, the positive pressure is generated by pushing the piston 131 toward the cylinder 120 through the rod bar 133 and injecting the liquid drug filled in the space 121 through the needle 111 penetrated into the human body.

The negative and positive pressure generating auxiliary devices of the syringe of the present invention are horizontally disposed outside the cylinder 120 so that one end thereof is fixed to any one of the first flange 122 of the cylinder 120 and the second flange 132 of the rod bar 133 to operate the finger. Through the bar bar 133 in the direction in which the straight movement through the link bar 133 generates and varies the pressure of the space.

The negative pressure and positive pressure generating auxiliary device of the syringe of the present invention are largely divided into negative pressure and positive pressure generating purposes.

First, a negative pressure generating auxiliary device is provided with a bar 210 to correspond to the cylinder 120 in a horizontal line, one side of the bar 210 is provided with a engaging portion 220 is coupled to the first flange 122 of the rod bar 133, the bar The other side of the 210 is provided to hold the operator's finger grip portion 230 is configured to interlock the rod bar 133 according to the direction of movement of the finger.

That is, the operator's finger is placed on the outer circumference of the syringe 100 in the longitudinal direction and is coupled to the second flange 132 of the syringe 100 rod bar 133 by one end of the bar 210 by the engaging portion 220 and formed on the other end of the bar 210. Position and then the bending and straightening of the finger are selected and the bar 210 is moved forward or backward in the syringe 100 to interlock the rod bar 133.

The piston 131, which is integrally coupled to the rod bar 133 and positioned in the syringe 100 space 121, generates a negative pressure or a positive pressure in the space 121 in association with the bar 210 and the forward and backward directions.

Here, the gripping portion 230 is bent toward the upper surface side of the bar 210 is formed with a catching hole 231 so that the finger is caught, the catching hole 231 may be formed in one or more to be selectively applied according to the operator's finger length do.

In addition, the engaging portion 220, the engaging portion 220 to form a close contact surface 211 bent upright on one side of the bar 210 to be in close contact with the front of the rod bar 133 flange, and to form a coupling protrusion 222 on both sides of the contact surface 211 Bar 133 The outer periphery of the flange is engaged in the space between the engaging projection 222 and the contact surface 211.

As described above, the negative pressure generating assistance device 200 of the syringe 100 of the syringe 100 of the present invention places the thumb of the operator's thumb at the locking hole 231 of the grip portion 230, and the thumb of the other finger is held in the state of holding the outer periphery of the cylinder 120. When the bend or the operation is performed, the rod bar 133 coupled with the bar 210 backwards to interlock the piston 131 to generate a negative pressure in the space 121 to extract the human tissue into the space 121 through the needle 111 penetrated into the human body.

At this time, when extracting a large amount of the human tissue to be extracted, or in the case of a highly viscous human tissue generated excessive pressure in the space 121 has a force to restore the piston 131 to its original position.

At this time, in order to maintain the sound pressure generated in the space 121 by sequentially forming the engaging projection 212 on the side of the bar 210, the projection protrusion on the flange having a streamlined shape formed at the end of the cylinder 120 by rotating the bar 210 at the outer periphery of the cylinder 120 Take 212.

This causes the negative pressure generated in the space 121 by rotating the bar 210 in the outer circumferential direction of the cylinder 120 when the operation of generating the negative pressure is fixed to the rod bar 133 so that the engaging protrusion 212 is selectively engaged with the first flange 122 of the syringe 100. To keep it.

As shown in Figure 7 to 10, the first other embodiment of the negative pressure generating auxiliary device 200 of the syringe 100 of the present invention is as follows.

The bar 210 is slidably installed in the hollow housing 240 in which the guide hole 241 is opened in the longitudinal direction and is exposed to the outside of the guide hole 241 to enable the bar 210 to move forward or backward through the grip portion 230 fixed to the bar 210. do.

As a result, the bar 210 is slidably coupled to the inside of the housing 240 so that the straightness is ensured by the forward and backward movement so that a more stable injection procedure can be performed.

In addition, the groove 242 is formed sequentially in the guide hole 241, and the coupling pin 232 is coupled to the gripping portion 230 so that the coupling pin 232 is caught in the yaw when the gripping portion 230 rotates so as to generate the sound pressure generated in the space 121. You can keep it in stages.

At this time, the locking portion 220 formed on one side of the housing 240 is coupled to the first flange 122 to prevent the separation of the tip 110 from the cylinder 120 due to the positive pressure of the syringe 100, and the locking piece bent to the other side of the housing 240. 223 is formed, but the engaging portion 220 and the engaging piece 223 are formed in a fork shape to be coupled to the flange of the tip 110 and the cylinder 120, respectively, to prevent the tip 110 from being separated from the cylinder 120 due to an overload of pressure when positive pressure is generated. Make sure

Alternatively, as shown in FIGS. 11 to 13, an auxiliary device 200 for preventing separation of the cylinder 120 and the tip 110 from the positive pressure generated by the syringe 100 may be formed as an independent location.

That is, the engaging portion 220 formed on one side of the bar 210 is coupled to the end of the first flange 122, the bent engaging portion 223 is formed on the other side of the bar 210, the engaging portion 220 and the engaging portion 223 is formed in a fork shape to the front end portion It is coupled to the flanges of the 110 and the cylinder 120, respectively, to prevent the tip 110 from being separated from the cylinder 120 due to the overload of pressure when positive pressure is generated.

Claims

The tip end with the needle,

A cylinder coupled to the front end and provided with a space therein and having a first flange formed at an open end of the space;

The drug is introduced or extracted through the needle through the positive or negative pressure generated by changing the pressure of the space by the piston which is connected to the piston coupled to the space by pushing or pulling the rod bar having the second flange formed at the end with the finger. In the syringe composed of a pressure means,

It is arranged horizontally outside the cylinder and one end is fixed to any one of the first flange of the cylinder and the second flange of the rod bar to interlock the rod bar in the direction in which the bar moves straight through the manipulation of the finger to generate a pressure in the space and A negative pressure and positive pressure generating auxiliary device of the syringe, characterized in that configured to vary.
The method of claim 1,

A bar is provided to correspond to the cylinder in a horizontal line, and one side of the bar is provided with a locking portion coupled to the first flange of the rod bar, and the other side of the bar is provided with a grip portion for locking the finger of the operator in the direction of finger movement. The negative pressure and positive pressure generating auxiliary device of the syringe, characterized in that configured to interlock the load bar accordingly.
The method of claim 1,

The engaging portion formed on one side of the bar is coupled to the first flange end, the other side of the bar to form a bent engaging piece, the engaging portion and the engaging piece is formed in a fork shape is coupled to the front end and the flange of the cylinder, respectively A negative pressure and positive pressure generating assistance device for a syringe, characterized in that the tip portion is prevented from being separated from the cylinder by an overload of pressure when positive pressure is generated.
The method of claim 2,

The gripping portion is bent toward the upper surface side of the bar negative pressure and positive pressure generating auxiliary device of the syringe, characterized in that the engaging hole is formed so that the finger is caught.
The method of claim 2,

The engaging portion is formed to be in close contact with the front of the rod bar flange by forming a contact surface bent upright on one side of the bar,

The negative pressure and positive pressure generating auxiliary device of the syringe, characterized in that the coupling protrusions are formed on both sides of the contact surface so that the outer circumference of the rod bar flange is coupled to the space between the coupling protrusion and the contact surface.
The method of claim 2,

The negative pressure of the syringe, characterized in that the locking projection is formed on the side of the bar in order to retain the negative pressure generated in the space to rotate the bar at the outer periphery of the cylinder to hang the engaging projection on the flange having a streamlined shape formed at the end of the cylinder And positive pressure generating aids.
The method of claim 2,

The bar has a negative pressure of the syringe, characterized in that the guide hole is slidably installed in the hollow housing open in the longitudinal direction and exposed to the outside of the guide hole to enable the forward or backward movement of the bar through the fixed grip portion bar and Positive pressure generating auxiliary device.
The method of claim 2,

The guide hole is formed in the groove sequentially, and the negative pressure and positive pressure generating auxiliary device of the syringe, characterized in that the coupling pin is coupled to the gripping side by the coupling pin is engaged in the groove when the gripping portion rotates.