CN218944059U - Injector capable of fine micro quantitative injection - Google Patents

Abstract

The utility model discloses an injector capable of performing fine quantitative injection, which comprises a first needle cylinder, a second needle cylinder, a connecting pipe, a connecting valve, a moving assembly and a quantitative injection mechanism, wherein the moving assembly is arranged on the first needle cylinder; the quantitative injection mechanism comprises a piston, a pushing frame, an external connecting plate, a driving motor, a gear and a rack, wherein the piston is arranged in the needle cylinder I, the pushing frame is connected to the piston, and the rack is arranged on the bottom wall of the pushing frame. The utility model belongs to the technical field of syringes, and particularly relates to a syringe capable of realizing refined micro quantitative injection, which can simultaneously perform injection of different medicaments at the same position, saves medical cost, reduces complex operation, is beneficial to use, and can realize refined uniform quantitative injection.

Description

Injector capable of fine micro quantitative injection

Technical Field

The utility model belongs to the technical field of syringes, and particularly relates to a syringe capable of achieving fine micro quantitative injection.

Background

The syringe is used as a medical instrument for daily use in medical treatment, and different volume types basically meet the injection requirements of clinical work. Currently, the control of the dosage by the conventional syringe is basically realized by scales on the syringe barrel, and medical staff is required to control the injection quantity by observing the scales on the side wall, namely, subjective judgment is performed. From the aspect of accuracy, the injection quantity is controlled in an objective uncontrollable manner. Particularly, the operation required by accurate, uniform and micro injection is difficult to realize, and meanwhile, when different medicaments are required to be injected at the same part in the process of injecting medicaments, two syringes and injection needles are required to be used at the same part of the existing medicinal syringe, and the operation is very complicated, the cost consumption is overlarge, and the use is not facilitated.

Disclosure of Invention

In order to solve the problems, the utility model provides the injector which can be used for injecting different medicaments at the same position simultaneously, saves medical cost, reduces complex operation, is beneficial to use, and can realize fine micro quantitative injection of fine uniform quantitative injection.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: the injector capable of carrying out fine quantitative injection comprises a first needle cylinder, a second needle cylinder, a connecting pipe, a connecting valve, a moving assembly and a quantitative injection mechanism, wherein the moving assembly is arranged on the first needle cylinder, the second needle cylinder is arranged on the moving assembly, the position of the second needle cylinder is convenient to adjust, the connecting pipe is arranged at the joint of the first needle cylinder and the second needle cylinder, the connecting valve is arranged on the connecting pipe, and the quantitative injection mechanism is arranged on the first needle cylinder and the second needle cylinder; the quantitative injection mechanism comprises a piston, a pushing frame, an external connecting plate, a driving motor, a gear and a rack, wherein the piston is arranged in a needle cylinder I, the pushing frame is connected to the piston, the rack is arranged on the bottom wall of the pushing frame, the external connecting plate is arranged on the outer side wall of the needle cylinder I, the driving motor is arranged on the external connecting plate, the gear is arranged on the driving motor, the gear and the rack are meshed, the driving motor drives the gear to rotate, the gear drives the rack and the pushing frame to move, and the pushing frame drives the piston to move, so that a medicament in the needle cylinder is pushed out for injection.

Preferably, the movable assembly comprises a connecting plate, a thread bushing block, a threaded rod, a rotating block and a fixed plate, wherein the fixed plate is arranged on the outer side wall of the needle cylinder, the threaded rod penetrates through the side wall of the fixed plate to be rotationally arranged on the inner side wall of the fixed plate, the rotating block is arranged at one end of the threaded rod, the thread bushing block is sleeved on the threaded rod, the connecting plate penetrates through the top wall of the fixed block to be arranged on the thread bushing block, the needle cylinder is arranged on the connecting plate, the rotating block drives the threaded rod to rotate, the threaded rod rotates to drive the thread bushing block and the connecting plate to move, and the connecting plate drives the needle cylinder to move, so that the position of the needle cylinder is moved.

Preferably, the external connection plate is provided with a control panel, a micro controller, a battery box and a control button, the movement time of the driving motor is controlled through the control panel, so that the movement distance of the pushing frame is controlled, the pushed out medicament amount is controlled, and the control panel, the micro controller, the battery box and the driving motor are electrically connected.

Preferably, the first needle cylinder and the second needle cylinder are provided with graduated scales for assisting judgment.

Preferably, a needle is arranged on one end of the first needle cylinder.

Preferably, the pushing frame is arranged in a U-shaped structure.

The utility model adopts the structure to obtain the beneficial effects as follows: according to the injector capable of achieving fine micro quantitative injection, the quantitative injection mechanism is arranged, the driving motor drives the gear to rotate, the gear drives the rack and the pushing frame to move, the pushing frame drives the piston to move, so that medicaments in the needle cylinder are pushed out for injection, two different medicaments are respectively placed in the first needle cylinder and the second needle cylinder, meanwhile, the control button is started to drive the driving motor to rotate, and injection of different medicaments at the same position can be simultaneously carried out, so that medical cost is saved, complex operation is reduced, and the injector is convenient to use.

Drawings

FIG. 1 is a diagram showing the overall construction of a syringe capable of performing fine micro-quantitative injection according to the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partial enlarged view at B in fig. 1.

Wherein, 1, a first needle cylinder, 2, a second needle cylinder, 3, a connecting pipe, 4, a connecting valve, 5, a moving component, 6, a quantitative injection mechanism, 7, a piston, 8, a pushing frame, 9, an external connection plate, 10, a driving motor, 11, a gear, 12 and a rack, 13, connecting plates, 14, threaded sleeve blocks, 15, threaded rods, 16, rotating blocks, 17, fixed plates, 18, control panels, 19, a micro controller, 20, a battery box, 21, control buttons, 22, a graduated scale, 23 and a needle.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the injector capable of carrying out fine quantitative injection comprises a first needle cylinder 1, a second needle cylinder 2, a connecting pipe 3, a connecting valve 4, a moving component 5 and a quantitative injection mechanism 6, wherein the moving component 5 is arranged on the first needle cylinder 1, the second needle cylinder 2 is arranged on the moving component 5, the connecting pipe 3 is arranged at the joint of the first needle cylinder 1 and the second needle cylinder 2, the connecting valve 4 is arranged on the connecting pipe 3, the quantitative injection mechanism 6 is arranged on the first needle cylinder 1 and the second needle cylinder 2, graduated scales 22 are arranged on the first needle cylinder 1 and the second needle cylinder 2, and a needle head 23 is arranged at one end of the first needle cylinder 1; the quantitative injection mechanism 6 comprises a piston 7, a pushing frame 8, an external connection plate 9, a driving motor 10, a gear 11 and a rack 12, wherein the piston 7 is arranged in a needle cylinder 1, the pushing frame 8 is connected with the piston 7, the pushing frame 8 is in a U-shaped structure, the rack 12 is arranged on the bottom wall of the pushing frame 8, the external connection plate 9 is arranged on the outer side wall of the needle cylinder 1, the driving motor 10 is arranged on the external connection plate 9, the gear 11 is arranged on the driving motor 10, the gear 11 and the rack 12 are meshed and arranged on the external connection plate 9, and a control panel 18, a micro controller 19, a battery box 20 and a control button 21 are arranged on the control panel 18, the micro controller 19, the battery box 20 and are electrically connected before the driving motor 10.

As shown in fig. 3, the moving assembly 5 includes a connecting plate 13, a threaded sleeve block 14, a threaded rod 15, a rotating block 16 and a fixing plate 17, the fixing plate 17 is disposed on the outer sidewall of the first syringe 1, the threaded rod 15 penetrates through the sidewall of the fixing plate 17 to be rotatably disposed on the inner sidewall of the fixing plate 17, the rotating block 16 is disposed on one end of the threaded rod 15, the threaded sleeve block 14 is sleeved on the threaded rod 15, the connecting plate 13 penetrates through the top wall of the fixing block to be disposed on the threaded sleeve block 14, and the first syringe 1 is disposed on the connecting plate 13.

When the medical device is specifically used, firstly, two different medicaments are respectively arranged in a first needle cylinder 1 and a second needle cylinder 2, a pushing frame 8 and a piston 7 are arranged in the first needle cylinder 1 and the second needle cylinder 2, a needle 23 is arranged at one end of the first needle cylinder 1, a rotating block 16 drives a threaded rod 15 to rotate, the threaded rod 15 rotates to drive a threaded sleeve block 14 and a connecting plate 13 to move, the connecting plate 13 drives the first needle cylinder 1 to move, the position of the first needle cylinder 1 is moved, the position of the first needle cylinder 1 is regulated to a proper position, the movement time of a driving motor 10 is controlled through a control panel 18, a connecting valve 4 is opened, a control button 21 is pressed, the driving motor 10 is started, the driving motor 10 drives a gear 11 to rotate, the gear 11 drives a rack 12 and the pushing frame 8 to move, and the piston 7 is driven by the pushing out the medicaments in the first needle cylinder 1 to inject the medicaments through a connecting pipe 3, the medicaments in the first needle cylinder 1 enter the second needle cylinder 2 to inject the medicaments together, the medical cost is saved, the complex operation is reduced, and the medical device is convenient to use.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. An injector capable of fine micro quantitative injection, which is characterized in that: the quantitative injection device comprises a first needle cylinder, a second needle cylinder, a connecting pipe, a connecting valve, a moving assembly and a quantitative injection mechanism, wherein the moving assembly is arranged on the first needle cylinder, the second needle cylinder is arranged on the moving assembly, the connecting pipe is arranged at the joint of the first needle cylinder and the second needle cylinder, the connecting valve is arranged on the connecting pipe, and the quantitative injection mechanism is arranged on the first needle cylinder and the second needle cylinder; the quantitative injection mechanism comprises a piston, a pushing frame, an external connecting plate, a driving motor, a gear and a rack, wherein the piston is arranged in a needle cylinder I, the pushing frame is connected to the piston, the rack is arranged on the bottom wall of the pushing frame, the external connecting plate is arranged on the outer side wall of the needle cylinder I, the driving motor is arranged on the external connecting plate, the gear is arranged on the driving motor, and the gear and the rack are meshed.

2. A finely injectable microscale syringe according to claim 1, characterized in that: the movable assembly comprises a connecting plate, a thread sleeve block, a threaded rod, a rotating block and a fixed plate, wherein the fixed plate is arranged on the outer side wall of the needle cylinder, the threaded rod penetrates through the side wall of the fixed plate to be rotationally arranged on the inner side wall of the fixed plate, the rotating block is arranged at one end of the threaded rod, the thread sleeve block is sleeved on the threaded rod, the connecting plate penetrates through the top wall of the fixed block to be arranged on the thread sleeve block, and the needle cylinder is arranged on the connecting plate.

3. A syringe for fine micro-quantitative injection according to claim 2, wherein: the external connection plate is provided with a control panel, a micro controller, a battery box and a control button, and the control panel, the micro controller, the battery box and the front of the driving motor are electrically connected.

4. A finely divided microinjectable syringe according to claim 3, characterized in that: and the first needle cylinder and the second needle cylinder are provided with graduated scales.

5. The syringe capable of performing fine micro quantitative injection according to claim 4, wherein: one end of the first needle cylinder is provided with a needle head.

6. The syringe capable of performing fine micro quantitative injection according to claim 5, wherein: the pushing frame is in a U-shaped structure.

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