CN219896641U - Medical injector - Google Patents

Abstract

The utility model discloses a medical injector, which relates to the technical field of medical appliances and comprises an injector body and a push rod, wherein the push rod is slidably connected in the injector body, one side of the injector body is provided with a positioning component for fixing a small medicine bottle, the positioning component comprises a mounting plate, the mounting plate is connected on one side of the injector body, and a positioning plate is rotatably arranged on the mounting plate.

Description

Medical injector

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a medical injector.

Background

Various medical syringes may be used for injecting and delivering various liquids, for aspirating various liquids, for mixing various liquids or mixing various liquids with powders, for aspirating liquids in containers, for mixing various liquids or mixing liquids with powders, and for rinsing or cleaning objects.

The prior Chinese patent (publication number: CN 208003195U) discloses a medical injector, wherein a clamping hook groove on a rubber plug is aligned with an L-shaped clamping hook on a core rod, the two are combined, the rubber plug is rotated, and a locking rod of the L-shaped clamping hook is clamped in the clamping hook groove. Meanwhile, the protrusions are matched with the grooves, so that the L-shaped clamping hooks can be stably arranged in the clamping hook grooves after rotation. The concave-convex surface of the outer side surface of the rubber plug is hooped by the hooping, so that the rubber plug is further stabilized on the core rod, and meanwhile, the friction between the rubber plug and the sleeve can be reduced by the concave-convex surface, and the medical staff can save more labor. The needle head is in threaded connection with the connector, so that the needle head can be further fixed on the connector.

The syringe is provided with the thread groove in the use process, but the syringe lacks an effective fixing component, medical staff sometimes need to insert the needle into the small medicine bottle when using the syringe to inject medicine, absorb medicine in the medicine bottle, the medical staff is required to support the small medicine bottle by one hand and pull the push rod of the syringe by the other hand to absorb medicine in the small medicine bottle, and in the process, the medical staff is required to pull the push rod by one hand, so that the medical staff is laborious.

To this end, we propose a medical injector solving the above problems.

Disclosure of Invention

The utility model provides a medical injector, which solves the technical problem that the medicine in a medicine bottle is inconvenient to pull and suck in the prior art.

In order to solve the technical problems, the medical injector provided by the utility model comprises an injector body and a push rod, wherein the push rod is slidably connected in the injector body, one side of the injector body is provided with a positioning component for fixing a small medicine bottle, the positioning component comprises a mounting plate, the mounting plate is connected to one side of the injector body, a positioning plate is rotatably arranged on the mounting plate, the injector body is connected with a telescopic rod, the other end of the telescopic rod is connected to the positioning plate, a buffer spring is sleeved on the telescopic rod, one end of the buffer spring is connected to the injector body, and the other end of the buffer spring is connected to the positioning plate.

Preferably, one side of the locating plate is integrally formed with anti-slip particles, and the anti-slip particles are of hollow design.

Preferably, the injector body is connected with a guide seat, one end of the push rod is connected with a piston head, and the piston head is matched with the guide seat.

Preferably, the syringe body is sleeved with an anti-skid sleeve.

Preferably, the number of the positioning plates is two.

Preferably, the syringe body is provided with an injection graduated scale.

Compared with the related art, the medical injector provided by the utility model has the following beneficial effects:

1. in the utility model, one end of the positioning plate is pressed to enable one end of the positioning plate to extrude the telescopic rod and the buffer spring, at the moment, the other end of the positioning plate moves in the direction away from the syringe body due to the lever principle, at the moment, the small medicine bottle is inserted on the needle, and then one end of the positioning plate is loosened, so that the other end of the positioning plate clamps and fixes the small medicine bottle under the elastic action of the telescopic rod and the buffer spring.

2. According to the utility model, one side of the positioning plate is integrally formed with the anti-slip particles, the anti-slip particles are of hollow design, and the arrangement is convenient for improving the stability when the small medicine bottle is clamped.

Drawings

FIG. 1 is a schematic view of the overall structure of a medical injector;

FIG. 2 is a schematic view of the internal structure of a medical injector;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an enlarged view of the structure at B in fig. 2.

Reference numerals in the drawings: 1. a syringe body; 2. a push rod; 3. a positioning assembly; 31. a mounting plate; 32. a positioning plate; 33. a telescopic rod; 34. a buffer spring; 4. a diversion seat; 5. an anti-skid sleeve; 6. an injection scale.

Detailed Description

Embodiments of the present utility model are described in detail below.

In the description of the present utility model, it should be understood that if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the indicated apparatus or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

An embodiment I is given by fig. 1-4, a medical injector, including syringe body 1 and push rod 2, push rod 2 sliding connection is in syringe body 1, and one side of syringe body 1 is equipped with the locating component 3 of fixed vial, and locating component 3 includes mounting panel 31, and mounting panel 31 connects in one side of syringe body 1, rotates on mounting panel 31 to be provided with locating plate 32, is connected with telescopic link 33 on the syringe body 1, and the other end of telescopic link 33 is connected on locating plate 32, has cup jointed buffer spring 34 on the telescopic link 33, and buffer spring 34's one end is connected on syringe body 1, and the other end is connected on locating plate 32.

When sucking the liquid medicine in the vial, firstly, one end of the positioning plate 32 is pressed, one end of the positioning plate 32 is made to extrude the telescopic rod 33 and the buffer spring 34, at the moment, because of the lever principle, the other end of the positioning plate 32 moves in the direction away from the syringe body 1, the vial is inserted on the needle at the moment, then, one end of the positioning plate 32 is loosened, the other end of the positioning plate 32 is made to be clamped and fixed by the elastic force of the telescopic rod 33 and the buffer spring 34, then, medical staff can operate the syringe body 1 by two hands to suck the liquid medicine in the vial, and meanwhile, the length of the positioning plate 32 is limited, so that the injection cannot be influenced in the injection process.

In addition, one side integrated into one piece of locating plate 32 has anti-skidding granule, anti-skidding granule is hollow design, this setting is convenient to promote the stability when centre gripping vial, the 1 internal connection of syringe has guide holder 4, the one end of push rod 2 is connected with the piston head, piston head and guide holder 4 looks adaptation, this setting is convenient with the medicine in the syringe body 1, abundant injection is gone into patient's internal, avoid the extravagant condition of medicine, anti-skidding cover 5 has been cup jointed on the syringe body 1, this setting has promoted the coefficient of friction of syringe body 1, convenience of customers pulls push rod 2 and absorbs the liquid medicine, the quantity of locating plate 32 is two, this setting has promoted the fixed effect to the vial, injection scale 6 has been seted up on the syringe body 1, this setting is convenient to observe the dose of injection medicine.

Working principle: when sucking the liquid medicine in the vial, firstly, one end of the positioning plate 32 is pressed, one end of the positioning plate 32 is made to extrude the telescopic rod 33 and the buffer spring 34, at the moment, because of the lever principle, the other end of the positioning plate 32 moves in the direction away from the syringe body 1, the vial is inserted on the needle at the moment, then, one end of the positioning plate 32 is loosened, the other end of the positioning plate 32 is made to be clamped and fixed by the elastic force of the telescopic rod 33 and the buffer spring 34, then, medical staff can operate the syringe body 1 by two hands to suck the liquid medicine in the vial, and meanwhile, the length of the positioning plate 32 is limited, so that the injection cannot be influenced in the injection process.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a medical injector, includes syringe body (1) and push rod (2), push rod (2) sliding connection is in syringe body (1), a serial communication port, one side of syringe body (1) is equipped with fixed vial's locating component (3), locating component (3) are including mounting panel (31), one side at syringe body (1) is connected to mounting panel (31), rotate on mounting panel (31) and be provided with locating plate (32), be connected with telescopic link (33) on syringe body (1), the other end of telescopic link (33) is connected on locating plate (32), buffer spring (34) have been cup jointed on telescopic link (33), the one end of buffer spring (34) is connected on syringe body (1), and the other end is connected on locating plate (32).

2. A medical injector according to claim 1, characterized in that one side of the positioning plate (32) is integrally formed with anti-slip particles, which are of hollow design.

3. A medical injector according to claim 2, characterized in that the injector body (1) is internally connected with a guide seat (4), one end of the push rod (2) is connected with a piston head, and the piston head is matched with the guide seat (4).

4. A medical injector according to claim 3, characterized in that the injector body (1) is sleeved with an anti-slip sleeve (5).

5. A medical injector according to claim 4, characterized in that the number of positioning plates (32) is two.

6. A medical injector according to claim 5, characterized in that the injector body (1) is provided with an injection scale (6).