CN211273017U - Bilan injection device - Google Patents

Abstract

The utility model discloses a must blue injection apparatus relates to medical equipment technical field, has solved the syringe and the syringe needle that use must blue injection liquid when loading and unloading, and not only the operation is time-consuming, and easy maloperation pricks the operator technical problem on hand with the needle mistake. The BILAN injection device comprises an injection needle and an injector, wherein one end of the injector is provided with a first connecting end which is detachably connected with the injection needle. The first connecting end is radially provided with an elastic column, the elastic column comprises an installation part and a clamping head, and an elastic device is arranged between the installation part and the clamping head. The injection needle is provided with a second connecting end, and a bayonet is arranged at the position of the second connecting end corresponding to the clamping head. The utility model discloses syringe and syringe needle are connected swiftly, save operating personnel's strength to do not need many times of rotation operation, avoid the rotation operation in-process with the needle mistake prick the operator hand, shorten operating time. The protective sheath can reduce the operating procedure, and save time avoids syringe needle body end to prick the staff hand.

Description

Bilan injection device

Technical Field

The utility model relates to the technical field of medical equipment, particularly, indicate a must blue injection device.

Background

Before treatment, an outpatient department of stomatology often needs to perform local anesthesia in the oral cavity of a patient, and the anesthetic is a bilin injection. When in operation, the Bilan injection is required to be arranged in a special injector for stomatology, and then a special injection needle is connected with the injector.

The injection needle includes interconnect's fixed part and second link and syringe needle body in prior art, and the syringe needle body runs through fixed part and second link and both ends and all stretches out fixed part and second link, and the one end that the syringe needle body is located the fixed part is the front end, and the one end that the syringe needle body is located the second link is terminal. When the injection needle head is connected with the injector, the tail end of the injection needle body passes through the first connecting end of the injector and is inserted into the soft rubber plug at the front end of the Bilan injection, and the first connecting end is in threaded connection with the second connecting end, so that the injection needle head is connected with the injector.

However, when the injection needle and the syringe are mounted or dismounted, the mounting or dismounting needs to be screwed or unscrewed to complete the process. Like this screw up or unscrew the in-process, not only the operation takes time, influences doctor work efficiency, and easy maloperation can lead to the waste of syringe needle and the extension of operating time after stabbing to pricking on the operator's hand with the needle mistake moreover. At present, in the oral operation process, a plurality of times of anaesthesia is needed, so that the injection needle and the injector need to be installed and disassembled for a plurality of times, and therefore, the assembly and disassembly efficiency of the injection needle and the injector is necessary to be improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming prior art's not enough, provide a must blue injection device to solve among the prior art and use syringe and the syringe needle of must blue injection when loading and unloading, not only the operation is time-consuming, influences doctor work efficiency, and easy maloperation punctures the needle to the technical problem on the operator's hand by mistake moreover.

The utility model provides a technical scheme that its technical problem adopted is:

providing a Bilan injection device, which comprises an injection needle and an injector for installing Bilan injection, wherein one end of the injector is provided with a first connecting end detachably connected with the injection needle, the first connecting end is hollow inside and an opening is formed at one end of the first connecting end, which is positioned at the injection needle;

the end part of the first connecting end, which is positioned at one end of the injection needle head, is radially provided with an elastic column, the elastic column comprises an installation part connected with the first connecting end and a chuck which can completely extend into the installation part, and an elastic device used for ejecting the chuck out of the surface of the first connecting end is arranged between the installation part and the chuck;

the injection needle is located one end of the injector and is provided with a second connecting end connected with the first connecting end, the second connecting end is sleeved outside the first connecting end, a bayonet is arranged at the position, corresponding to the chuck, of the second connecting end, and the chuck is clamped into the bayonet to connect the injector with the injection needle.

Preferably, the chuck is arranged at a position which is inclined downwards relative to one end of the syringe, and the inclined surface is intersected with the bottom surface of the chuck.

Preferably, the top surface of the clamping head is provided with a horizontal plane.

Preferably, the injection needle further comprises an injection needle body and a fixing part, the fixing part is arranged at one end of the second connecting end opposite to the injector, the outer diameter of the fixing part is smaller than that of the second connecting end, and the injection needle body sequentially penetrates through the fixing part and the second connecting end; when the first connecting end is contacted with the fixing part, the clamping head corresponds to the bayonet.

Preferably, the syringe comprises a syringe body, and the first connecting end is arranged at one end of the syringe body.

Preferably, the syringe needle body is located syringe one end is terminal, the syringe needle body be located for syringe one end is the front end, the outside cover of second link is equipped with the protective sheath, the protective sheath stretches out the end of syringe needle body, just the internal diameter of protective sheath is more than or equal to the external diameter of syringe body.

Preferably, the protective sleeve is made of transparent material.

Preferably, the injection needle further comprises a front cap for covering the front end of the injection needle body and a rear cap for covering the end of the injection needle body, and the front cap and the rear cap are detachably connected to the second connecting end.

Preferably, the front cap is provided with a base for vertically placing the front cap at an end opposite to the injection needle body.

Preferably, the base is a flat plate, the shape of the flat plate is circular, the diameter of the circular is more than 2cm, or,

the flat plate is square, and the side length of the square is larger than 2 cm.

Compared with the prior art, the utility model discloses beneficial effect is:

1. the utility model discloses a first link on the syringe cup joints with the second link of syringe needle to through the bayonet socket cooperation of the bullet post in the first link and second link, realize being connected of syringe and syringe needle, simple structure connects stably. When in connection, the clamping head is only required to be pressed into the first connecting end, the first connecting end is inserted into the second connecting end, and the clamping head can be popped out after being positioned at the bayonet position to connect the syringe and the injection needle. When the syringe is detached, the cartridge is snapped into the first connecting end again, and the first connecting end is pulled out of the second connecting end, thereby separating the syringe and the injection needle. Not only the operation is quicker, saves operating personnel's strength moreover to do not need many times of rotation operation, avoid the rotation operation in-process with the needle prick the operator hand by mistake, practice thrift medical resource, shorten operating time.

2. The utility model discloses on the bullet post sets up the syringe, because when in actual use, the syringe needle just no longer uses after a patient uses up, but syringe repeatedly use after the disinfection, and the bullet post for rather than complex bayonet socket, the structure is complicated, and is with high costs, consequently with bullet post setting on the syringe, can practice thrift use cost. The elastic column is arranged at the end part of the first connecting end, which is positioned at one end of the injection needle, so that the chuck can be conveniently pressed into the first connecting end.

3. The utility model discloses the protective sheath can be with stretching out the syringe needle body of first link, and the terminal protection of syringe needle body promptly avoids placing the syringe needle on the desktop, and syringe needle body end exposes outside, pricks the staff. The hand of the worker holding the syringe can be prevented from being hurt in the process of inserting the tail end of the injection needle body into the first connecting end.

In the prior art, if the injection needle head is prevented from being placed on a desktop, the tail end of the injection needle body is exposed, the tail end of the injection needle body can be covered with the cap again, the step is not needed by using the protective sleeve, the time is saved, and the risk of pricking the hand of a worker is avoided when the cap is covered at the tail end of the injection needle body.

4. The base can make the vertical placing of front cap on the workstation, and when the doctor was connected the front end of syringe needle body and front cap, can only use one hand directly to insert the syringe needle body front end in the front cap. Compared with the prior art, do not need one hand to hold the syringe needle, one hand takes the protecgulum, and not only the operation is swift, convenient, further avoids the risk that the front end of syringe needle body will take the hand of protecgulum to prick moreover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the connection between the syringe needle and the syringe according to the present invention;

FIG. 2 is a schematic view of the injection needle of the present invention;

FIG. 3 is a schematic view of the syringe of the present invention;

FIG. 4 is a schematic view of the syringe needle of the present invention connected to the front cap and the rear cap;

FIG. 5 is a schematic view of the front cap of the present invention;

fig. 6 is a schematic view of the rear cap of the present invention.

In the figure: 1-first connection end, 2-spring column, 3-installation part, 4-clamping head, 5-elastic device, 6-second connection end, 7-clamping opening, 8-horizontal plane, 9-fixing part, 10-injection needle body, 11-injection needle body, 12-protective sleeve, 13-front cover cap, 14-rear cover cap and 15-base.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are merely exemplary of the invention and are not intended to be exhaustive. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

a syringe device, as shown in figures 1-3, comprises an injection needle and a syringe for holding the syringe. One end of the injector is provided with a first connecting end 1 which is detachably connected with the injection needle. The syringe comprises a syringe body 11, and the first connecting end 1 is arranged at one end of the syringe body 11. The first connecting end 1 is hollow and is provided with an opening at one end of the injection needle. The first connection end 1 communicates with the syringe body 11.

As shown in fig. 3, the end of the first connecting end 1 at the end of the injection needle is provided with a bullet column 2 in radial direction. It should be noted that one or more of the bullet columns 2 may be provided. When evenly set up two, can make to connect more stably, the atress is more balanced.

The spring beam 2 comprises a mounting portion 3 connected to the first connection end 1 and a cartridge 4 which can be fully inserted into the mounting portion 3. Elastic means 5 for ejecting the chuck 4 out of the surface of the first connection terminal 1 are provided between the mounting portion 3 and the chuck 4. The elastic device 5 is arranged along the radial direction of the first connecting end 1. It should be noted that the elastic device 5 may be a spring, or other elastic devices 5 that can achieve expansion and contraction in the prior art.

As shown in fig. 2, the injection needle is provided with a second connection end 6 connected with the first connection end 1 at one end of the injector, and the second connection end 6 is sleeved outside the first connection end 1. The second connecting end 6 is provided with a bayonet 7 corresponding to the position of the clamping head 4, and the clamping head 4 is clamped in the bayonet 7 to connect the injector and the injection needle.

As shown in fig. 4, the needle further includes a needle body 10 and a fixing portion 9, the fixing portion 9 is disposed at an end of the second connecting end 6 opposite to the syringe, the needle body 10 is located at an end of the syringe as a terminal, and the needle body 10 is located at an end of the syringe as a front end.

When in use, the BILAN injection is firstly installed in the injector, and then the draw-in gear 4 is pressed into the first connecting end 1. The tail end of the injection needle body 10 penetrates through the first connecting end 1 and is inserted into a BILANZHOUYE front end soft rubber plug, meanwhile, the first connecting end 1 is inserted into the second connecting end 6, and the clamping head 4 is popped up after being positioned at the position of the bayonet 7, so that the injector is connected with an injection needle head.

When mounting, the clip 4 can be pressed in by fingers in the process of pressing the clip 4 in. If the size of the chuck 4 is too small, the nail can be used to press the chuck 4 in.

When the injection needle is disassembled, the draw-in gear 4 is pressed into the first connecting end 1, and the first connecting end 1 is pulled out of the second connecting end 6, so that the injector and the injection needle can be separated.

When the clip head 4 is detached, fingers can be used for pressing the position of the bayonet 7 in the process of pressing the clip head 4 in, and the fingers can go deep into the bayonet 7 due to the deformation of the fingers to press the clip head 4 in. If the wall thickness of the second connecting end 6 is too large, the size of the bayonet 7 is too small, and when the clamping head 4 is not easy to press in, the clamping head 4 can be inclined downwards to form an inclined plane at one side of the injector, and a vertical plane is arranged below the inclined plane, namely the height of the inclined plane of the clamping head 4 is smaller than that of the clamping head 4. In the process of pressing the chuck 4 in, only the vertical surface is pressed into the first connecting end 1, and then in the process of pulling out the injection needle, the chuck 4 can continuously move downwards due to the action of the inclined surface, so that the injector and the injection needle are separated. When in connection, the vertical surface can also be contacted with the side wall of the bayonet 7, so that the separation of the syringe and the injection needle is avoided during the use process.

Preferably, as shown in fig. 3, the cartridge 4 is positioned to be inclined downward with respect to one end of the syringe, and the inclined surface intersects with a bottom surface of the cartridge 4.

When the connection is performed, the chuck 4 does not need to be pressed down, and in the process of inserting the first connection end 1 into the second connection end 6, the inclined surface can move downwards after contacting the second connection end 6, so that the chuck 4 enters the first connection end 1. The use is more convenient, the operation is simpler, and the working efficiency of doctors is further improved.

Preferably, as shown in fig. 3, the top surface of the cartridge 4 is provided with a horizontal surface 8.

When the chuck 4 is snapped into the first connection end 1, the horizontal surface 8 is easily contacted by the press, so that the chuck 4 is easily snapped into the first connection end 1.

Preferably, as shown in fig. 2, the outer diameter of the fixing portion 9 is smaller than the outer diameter of the second connecting end 6. The needle body 10 passes through the fixing portion 9 and the second connecting end 6 in this order. When the first connecting end 1 is contacted with the fixing part 9, the clamping head 4 corresponds to the bayonet 7.

The outer diameter of the fixing part 9 is smaller than that of the second connecting end 6, so that the outer surface of the connecting part of the fixing part 9 and the second connecting end 6 forms a section, and when the chuck 4 is pressed into the first connecting end 1 by hand, the operation is more convenient.

And the external diameter of fixed part 9 is less than the external diameter of second link 6, and when first link 1 stretched into second link 6 back and contacted with fixed part 9, dop 4 and bayonet 7 corresponded. When the first connecting end 1 is inserted into the second connecting end 6, the fixing part 9 can play a role in positioning, and the phenomenon that the chuck 4 stretches into the first connecting end 1 again under the action of the inclined surface due to the fact that the insertion force is too violent is avoided, and connection between the first connecting end 1 and the second connecting end 6 is unstable.

Preferably, as shown in fig. 2, the outer diameter of the syringe body 11 is larger than the outer diameter of the first connection end 1. The outside cover of second link 6 is equipped with protective sheath 12. The bayonet 7 is located on the side of the protective sheath 12 opposite the syringe. The protective sheath 12 extends beyond the end of the needle body 10 and the inner diameter of the protective sheath 12 is equal to the outer diameter of the syringe body 11. It is noted that the inner diameter of the protective sheath 12 may also be larger than the outer diameter of the syringe body 11. As long as the protective sheath 12 can be sleeved on the first connecting end 1 and the syringe body 11.

The protective sheath 12 can protect the syringe needle body 10 extending out of the first connection end 1, that is, the end of the syringe needle body 10, to prevent the syringe needle from being placed on a table top, and the end of the syringe needle body 10 is exposed to the outside to prick the worker. It is possible to prevent the hand of the worker holding the syringe from being injured during the process of inserting the distal end of the needle body 10 into the first connecting end 1.

In the prior art, if the injection needle head is prevented from being placed on a table top, the tail end of the injection needle body 10 is exposed outside, the tail end of the injection needle body 10 is covered with the cap again, the step is not needed by using the protective sleeve 12, the time is saved, and the risk of pricking the hand of a worker in the process of covering the cap at the tail end of the injection needle body 10 is avoided.

Preferably, protective sleeve 12 is a transparent material.

The position of the tail end of the injection needle body 10 when the tail end is inserted into and pulled out is convenient to observe, and the connection between the injector and the injection needle head is more accurate and quicker.

Preferably, as shown in fig. 4 to 6, the needle head further includes a front cap 13 for covering the front end of the needle body 10 and a rear cap 14 for covering the tip of the needle body 10. The front cap 13 and the rear cap 14 are detachably connected to the second connection end 6. The front cap 13 and the rear cap 14 are both sleeved outside the second connecting end 6 and detachably connected through clamping ridges, for example, the existing connection mode of a pen cap and a pen holder is adopted. A gap for the rear cap 14 to extend into is left between the protective sleeve 12 and the second connecting end 6.

The needle body 10 can be safely covered by the front cap 13 and the rear cap 14 when the needle is not in use.

Preferably, as shown in fig. 5, the front cap 13 is provided at an end opposite to the needle body 10 with a base 15 for vertically placing the front cap 13.

The base 15 allows the front cap 13 to be placed vertically on a table with the opening of the front cap 13 facing upward. When the doctor connects the tip of the needle body 10 to the front cap 13, the doctor can directly insert the tip of the needle body 10 into the front cap 13 with only one hand. Compared with the prior art, one hand is not needed to hold the injection needle, and the other hand is used to hold the front cap 13, so that the operation is fast and convenient, and the risk that the front end of the injection needle body 10 is pricked by the hand holding the front cap 13 is further avoided.

Preferably, the base 15 is a flat plate, and the flat plate is circular, and the diameter of the circle is more than 2 cm. The front cap 13 can be erected on the workbench.

Preferably, the flat plate can also be square, and the side length of the square is more than 2 cm.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention.

Claims (10)

1. The BILAN injection device is characterized by comprising an injection needle and an injector for mounting BILAN injection, wherein one end of the injector is provided with a first connecting end (1) detachably connected with the injection needle, the first connecting end (1) is hollow inside and an opening is formed in one end, positioned on the injection needle, of the first connecting end;

an elastic column (2) is radially arranged at the end part of the first connecting end (1) positioned at one end of the injection needle, the elastic column (2) comprises an installation part (3) connected with the first connecting end (1) and a clamping head (4) capable of safely extending into the installation part (3), and an elastic device (5) used for ejecting the clamping head (4) out of the surface of the first connecting end (1) is arranged between the installation part (3) and the clamping head (4);

the syringe needle is located syringe one end be provided with second link (6) that first link (1) is connected, second link (6) cover is established first link (1) is outside, second link (6) correspond dop (4) position is provided with bayonet socket (7), dop (4) card is gone into in bayonet socket (7), will the syringe with the syringe needle is connected.

2. A bili injection device according to claim 1 characterised in that the cartridge (4) is located at a downward inclination relative to the end of the syringe and the inclined plane intersects the bottom surface of the cartridge (4).

3. A BILAND INJECTION DEVICE, IN WHICH IS IN accordance with claim 2, characterized in that the top surface of the cartridge (4) is provided with a horizontal surface (8).

4. A BILAND INJECTION DEVICE according to claim 2, characterized in that the needle further comprises a needle body (10) and a fixing portion (9), the fixing portion (9) being arranged at an end of the second connection end (6) opposite to the syringe, the fixing portion (9) having an outer diameter smaller than the outer diameter of the second connection end (6), the needle body (10) penetrating the fixing portion (9) and the second connection end (6) in sequence; when the first connecting end (1) is contacted with the fixing part (9), the clamping head (4) corresponds to the bayonet (7).

5. A BILAND INJECTION DEVICE according to claim 4, characterized in that the injector comprises an injector body (11), the first connection end (1) being arranged at one end of the injector body (11).

6. A BILAND INJECTION DEVICE according to claim 5, characterized in that the needle body (10) is located at the end of the syringe and the needle body (10) is located at the front end with respect to the end of the syringe, the second connecting end (6) is externally sleeved with a protective sheath (12), the protective sheath (12) protrudes out of the end of the needle body (10), and the inner diameter of the protective sheath (12) is larger than or equal to the outer diameter of the syringe body (11).

7. A biliquid injection device according to claim 6, characterized in that the protective sleeve (12) is of transparent material.

8. A birch injection device according to claim 6, characterised in that the needle further comprises a front cap (13) for covering the front end of the needle body (10) and a rear cap (14) for covering the end of the needle body (10), the front cap (13) and the rear cap (14) being both detachably connected to the second connection end (6).

9. A birch injection device according to claim 8, characterised in that the front cap (13) is provided with a seat (15) at an end opposite the needle body (10) for vertically positioning the front cap (13).

10. A BILAND INJECTION DEVICE, according to claim 9, characterized in that the base (15) is a flat plate, the shape of which is circular, the diameter of the circle being larger than 2cm, or,

the flat plate is square, and the side length of the square is larger than 2 cm.

Images