KR101383744B1 - A multi-needle assembly having stopper - Google Patents

Abstract

Multi-needle assembly with a stopper according to the present invention, the needle is provided with a plurality; A central hub exposing the front portion of the needle and surrounding the rear portion to secure the needle; The needle and the central hub are wrapped and tightly coupled to the central hub so as to be slidable in the forward and backward directions, and a needle through hole through which the needle penetrates and a close contact spaced apart from the needle through hole are respectively formed, and a needle through hole between the hub and the central hub is formed. A suction cap having a suction space communicating with the close contact hole and having a suction hole connecting hole communicating with the suction space at one side thereof; And a stopper coupled to the rear of the central hub so as to be movable in the front-rear direction and stopping the rear movement of the suction cap.

Description

A multi-needle assembly having stopper

The present invention relates to a multi-needle assembly for skin treatment, and more particularly, to a multi-needle assembly with a stopper that can precisely adjust the depth to be treated on the skin by a simple operation and avoid exposure of the needle before the procedure. will be.

In general, a procedure (hereinafter, referred to as a "multi-hole procedure") in which a plurality of minute holes are drilled in the skin and a drug or the like is injected into the body eliminates various skin troubles such as wrinkles, stains, dullness, stretch marks, acne, freckles, , Maintaining hair health, improving hair loss, and is being widely applied to treat obesity.

Such a multi-hole procedure can achieve a quick surgical effect by allowing the new skin to grow using the self-sustaining force of the damaged skin tissue, or allowing drugs and the like to penetrate into the body through the fine holes.

However, in the above-described multi-hole procedure, since the practitioner often uses the intuition of a physician who repeatedly pulls and pulls the needle into and out of the skin of the physician, the physician may complain of pain or fail to inject the needle at a certain depth, There is a problem that it can not be uniformly performed.

In addition, the above-described multi-hole procedure can maintain the tension of the skin, that is, the tension of the skin during the drilling of numerous fine holes in the skin, even if the hole is punctured at a desired depth Sometimes you can not.

That is, in the above-described multi-hole procedure, the skin is pushed in the process of drilling a large number of holes, the surgical tool such as a needle can not be precisely punctured at a desired position of the skin, and the slip or the needle is pushed into the skin, And the like.

Korean Patent Laid-Open No. 10-2010-0015018 discloses a "suction adapter for a syringe ", which is coupled to a syringe needle made of a needle and a needle hub and is configured to apply a negative pressure A second space part having a through hole communicating with the first space part so that the needle coupled to the needle hub can be protruded and an upper surface being opened; And an air suction device connecting part communicating with the second space part and connected to the air suction device. The air suction device connecting part is fixed to the suction adapter at a site to be scanned, and the air in the second space part is sucked into the air suction device, So that the injection liquid can be injected to a desired depth of the skin.

Korean Patent Laid-Open No. 10-2010-0015018 discloses a suction adapter for a multi-needle, and discloses a means for adjusting the exposure length of the needle. Specifically, a substantial portion of the second space and a height of the projection Discloses a suction adapter for a multi-needle in which an exposed length of the needle is taken into consideration by making the length correspond to the length of the needle excluding the exposure.

However, in this type of suction adapter, since the needle is exposed to the front end of the suction adapter, the needle recognizes the needle even before the procedure is performed, and thus the psychological anxiety can be felt. Moreover, in the case of multi-needles, since a plurality of needles are exposed at once, the psychological anxiety or fear felt by the subject becomes greater, thereby making it difficult for the procedure.

In addition, in the case of using the suction adapter of the type described above, even if the exposure length can be adjusted, it is not a concept of 'adjustment' because it is not possible to adjust the exposure length by using one suction adapter. Accordingly, there is a problem in that it is necessary to provide all of the suction adapters having individual sizes, and thus, the trouble of having to replace the suction adapters individually is required.

The present invention has been made to solve the problems described above, an embodiment of the present invention to precisely adjust the depth to be treated on the skin by a simple operation, and to avoid the exposure of the needle before the procedure It is related to relieving feelings of anxiety and inserting the needle at the beginning of the procedure.

Multi-needle assembly with a stopper according to the present invention, the needle is provided with a plurality; A central hub exposing the front portion of the needle and surrounding the rear portion to fix the needle; Wrapping the needle and the central hub and is in close contact with the central hub so as to be slidable in the front and rear direction, the front through the needle through the needle and the contact hole spaced apart from the needle through hole are respectively formed, between the central hub A suction cap having a suction space communicating with the needle through hole and the close contact hole and having a suction hole connecting hole communicating with the suction space at one side thereof; And a stopper movably coupled to the front and rear direction at the rear of the central hub, and stopping the rear movement of the suction cap.

And when the suction cap is located at the most forward within the sliding range with respect to the central hub, the needle does not protrude toward the suction cap.

In addition, between the central hub and the suction cap, there is provided an elastic member for pressing the suction cap forward.

The elastic member is formed in the form of a coil spring, and a first fixing part for fixing the rear end of the elastic member is formed at the center of the front portion of the central hub, and on the face facing the first fixing part in the suction cap, A second fixing part is formed in which the front end of the elastic member is fixed.

Furthermore, any one of the needle is formed to penetrate the center of the elastic member.

In the multi-needle assembly provided with the stopper according to the present invention, one of the central hub and the suction cap is formed with a locking projection, the other is formed with a locking groove that is sliding while the locking projection is guided, the sliding range of the suction cap Is limited by the locking projection and the locking groove.

In addition, the rear side of the central hub is provided with a control tube is coupled to the stopper is provided, the stopper is formed in a form surrounding the control tube, the stopper and the control tube is screwed together.

Here, the circumferential continuous number or scale is formed on the rear surface of the stopper.

In addition, the control tube is formed with a continuous number or scale in the longitudinal direction.

In addition, the stopper has a larger diameter than the central hub, and the rear end of the suction cap is caught on the front of the stopper to prevent rearward movement.

In the multi-needle assembly provided with the stopper according to the present invention, the central hub is made of a coupling portion to which the needle is fixed and coupled, and a control tube portion to which the syringe nozzle is coupled to the rear end and the stopper is coupled to the rim, The coupling portion is formed with a first through hole through which each of the needles, and a first communication groove formed at the rear end of the first through hole, respectively, the control tube portion, the second through hole in communication with the syringe nozzle, A second communication groove is formed at the front end of the second through hole, and the second communication groove communicates with all of the first communication grooves.

At least a part of the first through hole is formed to be larger than the diameter of the needle, and the needle is fixed while the adhesive is filled into the first through hole through the first communication groove.

In addition, the central hub and suction cap may be formed in a polygonal cross-sectional shape.

In addition, it is fixed in the form surrounding the central hub, the outer edge is in close contact with the inner surface of the suction cap may further include a sealing means for sealing the rear of the suction space.

In the multi-needle assembly provided with the stopper according to an embodiment of the present invention, the suction cap is slidably wrapped in the front and rear directions of the central hub, and the needle through hole and the close contact hole and the inhaler connection hole communicate with each other, and the suction force is increased by the inhaler. When the suction cap is pushed back when it is generated, the needle is exposed so that when the multi-needle assembly with the stopper according to the present invention is placed on the treatment site, the needle is not exposed or inserted into the skin of the subject, and suction force is generated by the inhaler. As soon as the needle is exposed and inserted into the skin at the same time, the anxiety felt by the subject can be solved, and the pain of the subject can be minimized.

In addition, by adjusting the length of the suction cap is pushed backward by adjusting the stopper to adjust the exposure length of the needle when the suction force is generated, it is possible to precisely adjust the depth to be treated on the skin by a very simple operation, for adjusting the exposure length No special measures are required.

In addition, between the central hub and the suction cap, by providing a coil spring-type elastic member that pushes the suction cap forward, the suction cap needle unless the external force is applied to the extent that the elastic force of the elastic member can be overcome Because it does not expose, it can be safely stored and used.

In addition, the screw coupling is made between the stopper and the control tube, and the scale is displayed on the stopper and the control tube, it is possible to adjust the needle exposure length very precise.

1A and 1B are perspective views illustrating a multineedle assembly according to an embodiment of the present invention;
2A is a cross-sectional view of the multineedle assembly shown in FIG. 1A;
Figure 2b is a cross-sectional view showing a multi-needle assembly according to another embodiment of the present invention,
3 is a perspective view separately showing the needle and the central hub constituting the multi-needle assembly shown in Figure 1a,
4 is a cross-sectional view showing a multineedle assembly according to another embodiment of the present invention;
Figures 5a and 5b is a state diagram showing the operation of the multi-needle assembly shown in Figure 1a.

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

It will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

In addition, the size and shape of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the practitioner, the operator And the definitions of these terms should be based on the contents throughout this specification.

1A and 1B are perspective views illustrating a multineedle assembly 1 according to an embodiment of the present invention, and FIG. 2A is a cross-sectional view illustrating the multineedle assembly 1 shown in FIG. 1A, and FIG. 2B is a view. 3 is a cross-sectional view showing a multi-needle assembly 1 according to another embodiment of the present invention, and FIG. 3 shows the needle 100 and the central hub 200 separately constituting the multi-needle assembly 1 shown in FIG. 1A. Perspective view.

The multineedle assembly 1 according to the present invention includes a plurality of needles 100, a central hub 200, a suction cap 300, and a stopper 400. The multi-needle assembly 1 according to the present invention is used in combination with a separate means such as a syringe for injecting an injection solution. In particular, a rear end of the central hub 200 is connected to a nozzle . Hereinafter, the direction in which the suction cap 300 is formed will be described by setting the front and the direction in which the suction cap 300 is coupled to the rear.

The needles 100 are provided in a plurality of openings and are formed in a thin tube shape so that an injected liquid injected into the multi-needle assembly 1 through a syringe, a drug or the like can move, and are formed of a metal.

The center hub 200 forms the center of the multi-needle assembly 1 according to the present invention and fixes the needle 100.

The central hub 200 is largely divided into a coupling part 210 and a control tube part 220, and is coupled to the rear end of the needle 100 as a whole. That is, the central hub 200 is formed in such a way that the front portion of the needle 100 is exposed and the rear portion is wrapped to fix the needle 100. The combination of the central hub 200 and the needle 100 is shown in detail in FIG. Additional description of the central hub 200 will be described later.

The suction cap 300 is formed in a form surrounding the needle 100 and the central hub 200, and is slidably coupled to the front and rear direction in particular in close contact with the edge of the central hub 200.

A needle through hole 310 through which the needle 100 penetrates is formed in front of the suction cap 300, and a close contact hole 320 is formed adjacent to the needle through hole 310. The needle through-hole 310 is sufficient to be formed to a size that does not interfere with the entry and exit of the needle 100 during the procedure, preferably is formed in a size substantially the same as the diameter of the needle (100). Both the needle through hole 310 and the close contact hole 320 are formed to penetrate into and out of the suction cap 300.

In the multi-needle assembly 1 according to the present invention, the front surface of the suction cap 300 may be formed in a flat shape as a whole, as shown in Figure 1a, the needle through-hole 310 is formed It is formed in the form of a protrusion protruding forward from the portion, the edge portion is also the same height or a slightly higher height of the protrusion formed by the needle through hole 310 (preferably about 0.2mm high for generating effective suction force in the skin to be treated) Is preferably formed). And it is preferable that the close contact hole 320 is formed in a relatively recessed portion in the protrusion formed with the needle through hole 310. The multi-needle assembly 1 according to the present invention is used in connection with an inhaler for generating a suction force, and when the inhaler is operated, as shown in FIGS. 5A and 5B, the air S is sucked and the skin S and the suction cap. Since the close contact is made between the front end of the 300, so that the end of the needle through hole 310 is in close contact with the skin (S) stably and a continuous suction force can be generated in the portion where the close contact hole 320 is formed To do this.

As shown in FIG. 2A, a suction space 330 is formed behind the needle through hole 310 and the suction hole, and an inhaler connection hole 340 is formed in communication with the suction space 330. . The inhaler connecting hole 340 is used to be connected to the inhaler that can inhale air, the suction force acts while the pressure is reduced in the suction space 330 by the action of the inhaler.

The suction cap 300 is slidably coupled to the front and rear direction with respect to the central hub 200, so that the sliding range is limited by means such as the locking groove 360 and the locking protrusion 214 as described below. do. That is, the suction cap 300 is held so as to slide in a certain range without escaping from the central hub 200. When the suction cap 300 is positioned at the most front within the sliding cap and the central hub with each other, the needle 100 does not protrude toward the suction cap 300. In this position, the front end of the suction cap 300 is preferably coincident with the front end of the needle 100.

By doing so, the needle 100 is not protruded toward the suction cap 300, so that the operator can solve the fear of the needle 100, the rear movement distance of the stopper 400 to be described later Since the exposure length is the same as the relative exposure length of the needle 100, the exposure length of the needle 100 can be easily adjusted.

The stopper 400 is coupled to the rear side of the central hub 200 so as to be movable in the front-rear direction. The stopper 400 has a diameter larger than that of the central hub 200 in part or whole, and the rear end of the suction cap 300 is caught on the front of the stopper 400 to prevent rearward movement. . As described above, the stopper 400 is for limiting the distance that the suction cap 300 is pushed backward, but is preferably screwed with the central hub 200 as described below, but is not limited thereto. If it is movable in the front and rear direction at 200 and can be fixed in any one position may correspond to this.

Any one of the central hub 200 and the suction cap 300 is formed with a locking projection 214, the other is formed with a locking groove 360 to slide while the locking projection 214 is guided.

As shown in FIG. 2A, when the locking protrusion 214 is formed in the central hub 200 and the locking groove 360 is formed in the suction cap 300, the locking protrusion 214 protrudes outward. It is formed in a shape formed in the form inclined backward, the suction cap 300 is made to prevent the departure from the front of the central hub (200).

The size (length) of the locking protrusion 214 and the locking groove 360 is to determine the sliding range of the suction cap 300, and also to limit the exposure length range of the needle (100). That is, the maximum exposure length of the needle 100 is determined by the locking protrusion 214 and the locking groove 360.

Between the central hub 200 and the suction cap 300, an elastic member 500 for pressing the suction cap 300 forward is formed. The elastic member 500 may be formed of a coil spring, the first fixing portion 213 is fixed to the rear end of the elastic member 500 in the center of the front surface of the central hub 200, the suction tab On the surface facing the first fixing portion 213, a second fixing portion 350 to which the front end of the elastic member 500 is fixed is formed.

The elastic member 500 is in a somewhat pressurized state and is coupled between the first fixing part 213 and the second fixing part 350. That is, the elastic member 500 is coupled between both the central hub 200 and the suction cap 300 in a state that receives the force in a direction away from each other, the elastic member 500 and the central hub 200 There should be no space between them.

The first fixing part 213 and the second fixing part 350 are formed to surround the ends of the elastic member 500, whereby the elastic member during operation of the multi-needle assembly 1 according to the present invention Departure of 500 is prevented.

In addition, the elastic member 500 is preferably coupled to the central position of the central hub 200, and any one of the needle 100 is formed to pass through the center of the elastic member 500. desirable.

Accordingly, even when one elastic member 500 is used, the needle 100 may be balanced without biasing to one side, and the needle 100 penetrating the center of the elastic member 500 may be formed of the elastic member 500. Since it can act as a guide during the elastic action, it is possible to more effectively prevent the separation of the elastic member 500.

The central hub 200 as the needle 100 is fixedly coupled and connected to the syringe, but may be formed integrally, the coupling portion 210 to which the needle 100 is fixed and coupled, and the central hub It is preferable to form the rear of the 200 is divided into a control tube 220 is coupled to the stopper 400 to the rim.

And the stopper 400 is coupled in the form fitted to the control tube 220, the stopper 400 and the control tube 220 is coupled in a form that is screwed together. Screwing of the stopper 400 and the control tube 220 is not coupled in a loose form, it is preferably coupled to a sufficient friction force to enable fine adjustment of the stopper 400. And it is preferable that the edge of the stopper 400 is formed in an uneven shape for ease of slipping and adjustment.

On the rear surface of the stopper 400 may be formed a continuous number or scale along the circumferential direction. And this continuous number is formed in a direction that increases as the stopper 400 moves to the rear of the control tube (220). The stopper 400 is moved along the longitudinal direction of the control tube 220 according to the degree of rotation, the movement distance of the stopper 400 is the rear movement distance of the suction cap 300, that is, the needle 100 Since the number or scale is to facilitate the exposure length adjustment of the needle (100).

As for adjusting the exposure length of the needle 100, a scale, etc. may be formed on the control tube 220 as well as the stopper 400. However, in this case, the control tube 220 is not formed in a perfect circular shape, as shown in Figure 1b, it is preferable that some surfaces are cut to form a surface and a scale or the like is formed on these surfaces.

As shown in Figure 1b, a continuous number or scale can be formed in the longitudinal direction of the control tube 220, it is possible to easily determine how far the stopper 400 is moved from the initial position back. .

Although the scale may be directly formed on the stopper 400, it is preferable that the stopper 400 is formed on a separate scale plate 410 coupled to the stopper 400.

A screw thread is formed on the inner circumferential surface of the stopper 400, and is screwed to the control tube 220. And when the stopper 400 is fitted to the control tube portion 220 is located in the most front position should be zero, considering the position and size of the thread formed in the stopper 400 and the control tube 220. At this time, it is not easy to adjust the zero point.

Accordingly, in the state in which the stopper 400 is inserted into the control tube 220 in the most forward position, the scale plate 410 is fitted into the stopper 400 to adjust the zero point so that accurate zero adjustment is possible.

The coupling part 210 is provided with a first through hole 211 through which each of the needles 100 passes, and a first communication groove 212 formed at a rear end of the first through hole 211, respectively. The first through hole 211 is formed larger than the diameter of the needle 100 in some areas. That is, as shown in Figure 2a, in the front of the first through-hole 211 can be formed in a tapered form, which is generally formed to fit the diameter of the needle 100, the diameter increases toward the back. Alternatively, as shown in FIG. 2B, the front and rear of the first through hole 211 are generally formed to fit the diameter of the needle 100, and in the middle portion, the diameter of the needle 100 is greater than the diameter of the needle 100. It can be formed large. At this time, the coupling portion 210 may be configured to separate the front end and the rear end, the front end and the first of the central hub 200 is formed with a first fixing portion 213 is fixed to the rear end of the elastic member 500 The through hole and the first communication groove is formed into the rear end of the central hub 200, respectively, but the front end of the central hub and the rear end of the central hub is adhesively fixed.

The first communication groove 212 is formed at the rear of the first through hole 211, the plurality of first communication groove 212 is formed to communicate with each other.

A second through hole 221 communicating with the syringe nozzle N and a second communication groove 222 formed at the front end of the second through hole 221 are formed in the control tube portion 220.

The second communication groove 222 communicates with the entire first communication groove 212.

As such, in the present invention, in forming the central hub 200, the coupling portion 210 and the control tube 220 are formed to be separated from each other, and then coupled to each other, thereby fixing the needle 100. This can be easily made, and can be easily made in the form of dispensing to each needle 100 of the injection liquid delivered from the syringe nozzle (N). This is explained as follows.

The multi-needle assembly 1 according to the present invention is to uniformly distribute the injection liquid discharged through one outlet, such as the syringe nozzle (N), and then to be moved to each needle (100). The interior of the hub 200 is made somewhat complicated (by the first through holes 211, the first through holes, etc.).

In the present invention, since the first through hole 211 and the first communication groove 212 is formed in the coupling portion 210, the first through hole 211 through the first through hole 212 ) Can be filled by injecting an adhesive, etc., so that each of the needles 100 is firmly coupled to the coupling portion 210.

And a second communication groove 222 is formed in front of the control tube 220, the second communication groove 222 is in communication with all of the first communication groove 212, so that the control tube 220 When coupled to the rear end of the coupling portion 210, the injection liquid and the like discharged from the syringe nozzle (N) is distributed evenly to each of the needle (100) to move.

The central hub 200, in particular, the coupling portion 210 is preferably formed in a quadrangular shape of the cross section, and the suction cap 300 is also formed in a quadrangular shape of the cross section do. Since the suction cap 300 is slid in the front-rear direction from the central hub 200, when the cross-sectional shape is made of four angles, the suction cap 300 may prevent the separation of the suction cap 300 out of the front-rear direction, and stable operation may be performed. On the other hand, the coupling portion 210 and the suction cap 300 may be formed in a polygon or circle other than the shape of the cross section. However, when the cross-sections of the coupling portion 210 and the suction cap 300 are formed in a circular shape, a guide structure as shown in FIG. 3 is formed to prevent stable sliding of the suction cap 300. desirable.

4 is a cross-sectional view showing a multineedle assembly 1 according to another embodiment of the present invention.

The multi-needle assembly 1 according to a preferred embodiment of the present invention is fixed in a form surrounding the central hub 200, the outer edge is in close contact with the inner surface of the suction cap 300, the suction space 330 It further comprises a sealing means 600 for closing the rear.

As such, the sealing means 600 is for sealing the rear of the suction space 330, which is the rear of the suction space 330, that is, between the central hub 200 and the suction cap 300 when the suction force generated by the inhaler It is to prevent the suction force is lowered by the air communication through the gap of the, it is possible to ensure a very stable operation of the multi-needle assembly 1 by the sealing means (600).

The sealing means 600 may be formed in a form that is in close contact with the inner surface of the suction cap 300 on the entire outer surface, as shown in Figure 4, is formed in a shape that is in close contact with and spaced in the front and rear direction is repeated It is preferable, thereby reducing the friction generated between the suction cap 300, while the relative sliding is made naturally, but excellent sealing is made due to the multiple sealing structure with the suction cap 300.

And the sealing means 600 is made of a synthetic resin, such as PVC, silicon, or a mixture thereof, preferably made of a material having excellent elasticity compared to the central hub 200 and suction cap 300.

Figures 5a and 5b is a state diagram showing the operation of the multi-needle assembly 1 shown in Figure 1a.

Hereinafter, the operation of the multi-needle assembly 1 according to the present invention will be described briefly.

First, in the multi-needle assembly 1, the exposure length is adjusted by rotating the stopper 400 according to the length to which the needle 100 is to be exposed.

And, as shown in Figure 5a, the syringe nozzle (N) is prepared by the rear end of the multi-needle assembly 1, that is, the rear end of the control tube 220 according to the present invention. In addition, an inhaler is connected to the inhaler connection hole 340. Then, the front end of the suction cap 300 is brought into close contact with the skin S of the patient, and the procedure is prepared.

Then, when the inhaler operates, the pressure inside the close contact hole 320 and the suction space 330 is lowered by the suction force of the inhaler. As a result, the skin (S) of the subject is in close contact with the direction of the close contact hole 320 and is further in close contact with the end of the needle through hole (310).

In addition, due to the pressure drop inside the suction space 330, the coupling portion 210 of the central hub 200 is moved forward while overcoming the elastic force of the elastic member 500 and the needle through hole 310 The needle 100 protrudes forward. The protruding length of the needle 100 depends on the degree adjusted by the stopper 400. When the rear end of the suction cap 300 is in close contact with the front end of the stopper 400, the protruding of the needle 100 Will stop.

When the needle 100 is completely inserted into the skin (S) as shown in Figure 5b and the injection is injected through the syringe nozzle (N) to complete the procedure.

As such, the multi-needle assembly 1 according to the present invention allows the suction cap 300 to be pushed backward and the needle 100 to be exposed when the suction force is generated by the inhaler. When it is placed on the surgical site, the needle 100 is not exposed or inserted into the skin S of the subject, and when the suction force is generated by the inhaler, the exposure of the needle 100 and insertion into the skin S are performed. Since it is made at the same time, it is possible to solve the anxiety felt by the subject, and also to minimize the pain of the subject, by adjusting the length of the suction cap 300 is pushed backward by the adjustment of the stopper 400 needle ( Since the exposure length of 100) can be adjusted, the depth to be treated on the skin S can be precisely adjusted by a very simple operation.

1: Multi Needle Assembly 100: Needle
200: central hub 210:
211: first through-hole 212: first communicating groove
213: First Government 214: Obstructions
220: adjusting tube 221: second through hole
222: second communication groove
300: Suction cap 310: Needle penetration hole
320: Adhesive ball 330: Suction space
340: inhaler connecting hole 350: the second fixing part
360: hanging groove
400: stopper 410: dashboard
500: elastic member 600: sealing means
S: skin N: syringe nozzle

Claims (14)

A plurality of needles;
A central hub exposing the front portion of the needle and surrounding the rear portion to fix the needle;
Wrapping the needle and the central hub and is in close contact with the central hub so as to be slidable in the forward and backward direction, the needle through hole and the contact hole spaced apart from the needle through hole is formed in the front, respectively, between the central hub A suction cap having a suction space communicating with the needle through hole and the close contact hole and having a suction hole connecting hole communicating with the suction space at one side thereof; And
Is coupled to be movable in the front and rear direction from the rear of the central hub, and comprises a stopper for preventing the rear movement of the suction cap,
At least one of the central hub and the suction cap is formed with a locking projection, and the other is formed with a locking groove that slides while the locking projection is guided, so that the sliding range of the suction cap is limited by the locking protrusion and the locking groove. Multi-needle assembly with a stopper.
The method according to claim 1,
When the suction cap is located at the most forward within the sliding range with respect to the central hub, the needle is provided with a stopper, characterized in that the stopper does not protrude forward.
3. The method of claim 2,
The stopper is provided with a multi-needle assembly, characterized in that between the central hub and the suction cap, the elastic member for pressing the suction cap forward.
The method of claim 3, wherein
The elastic member is made of a coil spring form,
A first fixing part for fixing the rear end of the elastic member is formed in the center of the front surface of the central hub,
A stopper is provided with a multi-needle assembly, characterized in that the second cap is fixed to the front end of the elastic member on the surface facing the first fixing part in the suction cap.
5. The method of claim 4,
Any one of the needle is a multi-needle assembly with a stopper, characterized in that formed in the form penetrating the center of the elastic member.
delete The method according to claim 1,
It forms the rear side of the central hub is provided with a control tube coupled to the stopper,
The stopper is formed in a shape surrounding the control tube,
The stopper and the control tube is a multi-needle assembly having a stopper, characterized in that the screwed to each other.
The method of claim 7, wherein
The multi-needle assembly having a stopper, characterized in that the rear surface of the stopper is formed in the circumferential continuous number or scale.
The method of claim 7, wherein
The control tube unit is a multi-needle assembly with a stopper, characterized in that the longitudinal or continuous number is formed in the scale.
The method of claim 7, wherein
The stopper has a larger diameter than the central hub,
The rear end of the suction cap is a multi-needle assembly having a stopper, characterized in that the rear movement is blocked by the front of the stopper.
The method according to claim 1,
The central hub is made of a coupling portion to which the needle is fixed and coupled, and a control tube portion coupled to the syringe nozzle at the rear end and the stopper is coupled to the rim,
The coupling portion is formed with a first through hole through which each of the needles and a first communication groove respectively formed at the rear end of the first through hole,
Wherein the adjusting tube portion is formed with a second through hole communicating with the syringe nozzle and a second communication groove formed at a front end of the second through hole,
The second needle groove is a multi-needle assembly with a stopper, characterized in that in communication with all of the first communication groove.
The method of claim 11,
At least a portion of the first through-hole is formed larger than the diameter of the needle, the needle is provided with a multi-needle assembly, characterized in that the needle is fixed while the adhesive is filled into the first through-hole through the first communication groove .
The method according to any one of claims 1 to 5, 7 to 12,
The central hub and suction cap is a multi-needle assembly having a stopper, characterized in that the cross-sectional shape is formed in a polygon.
The method according to any one of claims 1 to 5, 7 to 12,
The stopper is provided in a multi-needle assembly is fixed in the form surrounding the central hub, the outer edge is in close contact with the inner surface of the suction cap further comprises a sealing means for sealing the rear of the suction space.

Images