CN213100079U

CN213100079U - Syringe capable of limiting medicine output quantity

Info

Publication number: CN213100079U
Application number: CN202020726827.1U
Authority: CN
Inventors: 林太方
Original assignee: Taizhou Kanglong Medical Technology Co ltd
Current assignee: Taizhou Kanglong Medical Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-05-04
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses an injector capable of limiting the medicine output, which comprises a connecting pipe, an injection needle tube, a movable plug, an extrusion rod, scales, a fixed block, a limiting plate, a through hole, a screw cap and a pressing block, the middle of one end of the injection needle tube is communicated with and provided with a connecting tube, the middle of one end of the injection needle tube, which is far away from the connecting tube, is fixed with a limiting plate, a through hole is arranged in the middle of the limiting plate, both ends of the injection needle tube positioned at one end of the limiting plate are welded with fixing blocks, the extrusion rod is movably arranged in the through hole, a movable plug is fixed at one end of the extrusion rod positioned in the injection needle tube, a pressing block is fixed at one end of the extrusion rod, which is far away from the movable plug, a screw cap is arranged at one end of the extrusion rod, which is positioned at the outer side of the injection needle tube, the outer side of the extrusion rod is provided with external threads, and the middle parts of the two sides of the extrusion rod are provided with scales at equal intervals. The utility model discloses be favorable to carrying out accurate control's advantage to the liquid medicine volume of injection.

Description

Syringe capable of limiting medicine output quantity

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an injector capable of limiting the medicine output.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.

A large number of searches find that: chinese utility model patent: the utility model discloses a disposable medical injection needle tube that destroys belongs to the medical apparatus field, application number [ CN201220368647.6 ], publication number [ CN202777307U ]. Is provided with an injection needle tube, and is characterized in that: the front end of the injection needle tube is provided with a needle head seat, the front end of the needle head seat is provided with an injection needle, the injection needle is provided with an injection needle cover, the needle head seat is provided with a destroying dent, and the injection needle tube is internally provided with an injection pushing tube. The utility model can be used only once, is convenient to destroy and can not be used repeatedly, thereby avoiding cross infection.

The syringe is at a medical apparatus that the hospital was commonly used, the time that the syringe appeared is also earlier, high durability and convenient use, application range is also wider simultaneously, great popularization has been obtained, simultaneously when using, it is different according to every patient's user demand, when injecting the liquid medicine to the patient, the volume of injection is also different, consequently can have the scale appearance on the syringe, and the syringe all uses the injection through medical personnel's manual work, it is difficult to play accurate control to the liquid medicine of injection, consequently need one kind now be favorable to playing the syringe of accurate control to the liquid medicine volume of injection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out the syringe of restriction to going out the medicine volume, possess the advantage that is favorable to carrying out the accurate control to the liquid medicine volume of injection, solved the syringe and all used the injection through medical personnel's manual work, hardly play the problem of accurate control to the liquid medicine of injection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can carry out syringe of restriction to play medicine volume, includes connecting pipe, injection needle pipe, activity stopper, stripper bar, scale, fixed block, limiting plate, through-hole, nut and briquetting, the connecting pipe is installed to department's intercommunication in the middle of injection needle pipe's one end, the department is fixed with the limiting plate in the middle of the one end that injection needle pipe deviates from the connecting pipe, the through-hole has been seted up to the middle department of limiting plate, the fixed block has all been welded at the outside both ends that injection needle pipe is located limiting plate one end, stripper bar movable mounting is in the through-hole, the stripper bar is located the inside one end of injection needle pipe and is fixed with the activity stopper, the one end that the stripper bar deviates from the activity stopper is fixed with.

Preferably, the outer side of the extrusion rod is provided with an external thread, and the middle parts of the two sides of the extrusion rod are provided with scales at equal intervals.

Preferably, the outer diameter of the pressing rod is smaller than that of the through hole, and the diameter of the through hole is smaller than that of the nut.

Preferably, the length of the extruding rod is greater than the internal length of the injection needle tube, and the internal diameter of the injection needle tube is matched with the diameter of the movable plug.

Preferably, the width of the fixing blocks is smaller than the diameter of the outer side of the injection needle tube, and the two fixing blocks correspond to each other.

Preferably, the pressing block is circular, and the diameter of the pressing block is larger than the diameter of the injection needle tube and the diameter of the screw cap respectively.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up scale and nut, be favorable to carrying out the effect controlled to the play dosage of injection needle pipe, when using injection needle pipe, it is different according to different patients' quantity demand, remove the nut on the stripper bar, be favorable to prescribing a limit to the position of nut through the scale simultaneously, and when extrudeing the liquid medicine through the briquetting, can realize prescribing a limit to the extruded liquid medicine, simultaneously under the effect of connecting pipe, can realize the change to the injection syringe needle, be favorable to guaranteeing the cleanliness of injection needle pipe.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

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

fig. 3 is a schematic view of the three-dimensional structure of the injection needle tube of the present invention.

In the figure: 1. a connecting pipe; 2. injecting a needle tube; 3. a movable plug; 4. an extrusion stem; 5. calibration; 6. a fixed block; 7. a limiting plate; 8. a through hole; 9. a nut; 10. and (7) briquetting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: the utility model provides a can carry out syringe of restriction to a dose, including connecting pipe 1, injection needle tube 2, the activity stopper 3, the stripper bar 4, the scale 5, fixed block 6, limiting plate 7, through-hole 8, nut 9 and briquetting 10, department's intercommunication installs connecting pipe 1 in the middle of the one end of injection needle tube 2, department is fixed with limiting plate 7 in the middle of the one end that injection needle tube 2 deviates from connecting pipe 1, through-hole 8 has been seted up to limiting plate 7's middle department, fixed block 6 has all been welded at the outside both ends that injection needle tube 2 is located limiting plate 7 one end, 4 movable mounting of stripper bar are in through-hole 8, the one end that stripper bar 4 is located 2 insides of injection needle tube is fixed with movable stopper 3, the one end that stripper bar 4 deviates from movable stopper 3 is fixed with briquetting 10, the one end.

Referring to fig. 1 and fig. 3, the present invention provides an embodiment: an injector capable of limiting the medicine output amount comprises a connecting pipe 1, an injection needle pipe 2, a movable plug 3, an extrusion rod 4, scales 5, a fixing block 6, a limiting plate 7, a through hole 8, a nut 9 and a pressing block 10, wherein the connecting pipe 1 is communicated and installed in the middle of one end of the injection needle pipe 2, a limiting plate 7 is fixed in the middle of one end, away from the connecting pipe 1, of the injection needle pipe 2, the through hole 8 is formed in the middle of the limiting plate 7, the fixing blocks 6 are welded at two ends of the outer side, located at one end of the limiting plate 7, of the injection needle pipe 2, the extrusion rod 4 is movably installed in the through hole 8, the movable plug 3 is fixed at one end, located inside the injection needle pipe 2, of the extrusion rod 4, the pressing block 10 is fixed at one end, away from the movable plug 3, of the extrusion rod 4, the nut 9 is installed at one end, located at, the outside diameter of the squeeze bar 4 is less than the diameter of through-hole 8, the diameter of through-hole 8 is less than the outside diameter of nut 9, the length of squeeze bar 4 is greater than the inside length of injection needle pipe 2, the inside diameter of injection needle pipe 2 and the diameter looks adaptation of activity stopper 3, when using injection needle pipe 2, quantity demand according to different patients is different, move nut 9 on squeeze bar 4, be favorable to prescribing a limit to the position of nut 9 through scale 5 simultaneously, and when extruding the liquid medicine through briquetting 10, can realize the effect of prescribing a limit to the extruded liquid medicine, simultaneously under the effect of connecting pipe 1, can realize the change to the injection needle, be favorable to guaranteeing the cleanliness of injection needle pipe 2.

The width of the fixing block 6 is smaller than the outside diameter of the injection needle tube 2, the two fixing blocks 6 correspond to each other, the pressing block 10 is circular, the diameter of the pressing block 10 is respectively larger than the diameters of the injection needle tube 2 and the nut 9, and the use of the injection needle tube 2 is facilitated through the operation of the pressing block 10 and the fixing block 6.

The working principle is as follows: the utility model discloses in operation, when using injection needle tube 2, different according to different patients' quantity demand, remove nut 9 on the stripper bar 4, be favorable to prescribing a limit to the position of nut 9 through scale 5 simultaneously, and when extrudeing the liquid medicine through briquetting 10, can realize prescribing a limit to the extruded liquid medicine, under the effect of connecting pipe 1, can realize the change to the injection needle, be favorable to guaranteeing the cleanliness of injection needle tube 2 simultaneously. The working principle of the present invention is the above.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a can carry out syringe of restriction to a dose, includes connecting pipe (1), injection needle tubing (2), activity stopper (3), squeeze bar (4), scale (5), fixed block (6), limiting plate (7), through-hole (8), nut (9) and briquetting (10), its characterized in that: department's intercommunication installs connecting pipe (1) in the middle of the one end of injection needle tubing (2), department is fixed with limiting plate (7) in the middle of the one end that injection needle tubing (2) deviates from connecting pipe (1), through-hole (8) have been seted up to the centre department of limiting plate (7), fixed block (6) have all been welded at the outside both ends that injection needle tubing (2) are located limiting plate (7) one end, stripper bar (4) movable mounting is in through-hole (8), the one end that stripper bar (4) are located injection needle tubing (2) inside is fixed with activity stopper (3), the one end that stripper bar (4) deviate from activity stopper (3) is fixed with briquetting (10), one end screw thread that stripper bar (4) are located injection needle tubing (2) outside installs nut (9).

2. A syringe of claim 1, wherein the syringe further comprises: the outer side of the extrusion rod (4) is provided with an external thread, and the middle parts of the two sides of the extrusion rod (4) are provided with scales (5) at equal intervals.

3. A syringe of claim 1, wherein the syringe further comprises: the diameter of the outer side of the extrusion rod (4) is smaller than that of the through hole (8), and the diameter of the through hole (8) is smaller than that of the outer side of the screw cap (9).

4. A syringe of claim 1, wherein the syringe further comprises: the length of the extrusion rod (4) is greater than the inner length of the injection needle tube (2), and the inner diameter of the injection needle tube (2) is matched with the diameter of the movable plug (3).

5. A syringe of claim 1, wherein the syringe further comprises: the width of the fixing blocks (6) is smaller than the diameter of the outer side of the injection needle tube (2), and the two fixing blocks (6) correspond to each other.

6. A syringe of claim 1, wherein the syringe further comprises: the pressing block (10) is circular, and the diameter of the pressing block (10) is larger than the diameter of the injection needle tube (2) and the diameter of the screw cap (9) respectively.