CN213131324U

CN213131324U - Electric injector convenient to use

Info

Publication number: CN213131324U
Application number: CN202021023772.4U
Authority: CN
Inventors: 张旭; 熊欢; 倪锦春; 塔娜; 蚁双莲; 江志松
Original assignee: Zhongshan Hospital Xiamen University
Current assignee: Zhongshan Hospital Xiamen University
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-05-07
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a convenient electric injector, which comprises a needle cylinder, a hand-held handle, a pull rod and a connecting rod, a push rod is movably arranged on the needle cylinder, a piston is fixed at one end of the push rod extending into the needle cylinder, the two sides of the lower surface of the handle are respectively fixed with a rotary chuck through a pillar, the needle cylinder passes through the middle of the two rotary chucks and is fixed, a cavity is arranged in the hand-held handle, a small-sized storage battery is fixed at the top end of one side in the hand-held handle, a stepping motor is fixed at the top end of the inner part of the handle at one side of the small storage battery, a screw rod is fixed at the top end of the inner part of the handle at one side of the stepping motor, the lead screw is movably connected with one end, extending into the handheld handle, of the pull rod, the other end of the pull rod extends out of the handheld handle and is fixedly connected with the top end of the connecting rod, a fixing clamp is fixed to the bottom end of the connecting rod, and the push rod is clamped and fixed through the fixing clamp. The utility model has the advantages of electric propulsion injection and reduced working strength of medical staff.

Description

Electric injector convenient to use

Technical Field

The utility model relates to the technical field of medical appliances, in particular to an electric injector convenient to use.

Background

A syringe is a common medical device that primarily uses a needle to draw or inject a gas or liquid. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.

The existing injector is pushed manually to inject, thus invisibly increasing the working strength of medical care personnel and being inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric injector convenient to use possesses electronic propulsion injection, reduces medical personnel's working strength's advantage, has solved the syringe and has relied on artifical manual propulsion injection, has increased medical personnel's working strength's problem in the intangible.

In order to achieve the above object, the utility model provides a following technical scheme: an electric injector convenient to use comprises a needle cylinder, a handheld handle, a pull rod and a connecting rod, wherein a push rod is movably mounted on the needle cylinder, a piston is fixed at one end of the push rod extending into the needle cylinder, the outer side of the piston is attached to the inner wall of the needle cylinder, rotary chucks are fixed on two sides of the lower surface of the handheld handle through supporting columns respectively, the needle cylinder penetrates through the middle of the two rotary chucks and is fixed, a cavity is formed in the handheld handle, a small storage battery is fixed at the top end of one side in the handheld handle, a stepping motor is fixed at the top end of the inside of the handheld handle on one side of the small storage battery, the small storage battery is electrically connected with the stepping motor, a lead screw is fixed at the top end of the inside of the handheld handle on one side of the stepping motor, the stepping motor is rotatably connected with the lead screw, the lead screw is movably connected with one end of the pull, the bottom end of the connecting rod is fixed with a fixing clamp, and the push rod is clamped and fixed by the fixing clamp.

Preferably, the surface of the needle cylinder different from the two ends is marked with scales.

Preferably, the rear end of the handheld handle is rotatably provided with a cover plate, the cover plate seals an opening at the rear end of the handheld handle, and the cover plate is provided with a heat dissipation hole.

Preferably, a power connector is fixedly embedded in one side of the top end of the handle and is electrically connected with the small storage battery.

Preferably, a control button is embedded into one side of the front surface of the handle and is divided into a forward button, a stop button and a backward button, and the control button is electrically connected with the stepping motor.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up step motor, lead screw, pull rod and connecting rod, reached electronic propulsion injection, reduced medical personnel's working strength's effect, the utility model discloses be provided with step motor, lead screw, pull rod and connecting rod, step motor and lead screw are all fixed on the top of the inside cavity of handheld handle, and step motor rotates with the lead screw to be connected. The lead screw is movably connected with one end of the pull rod, the other end of the pull rod penetrates through the handheld handle and is fixed with a connecting rod, and a fixing clamp is fixed at the bottom end of the connecting rod. The two sides of the lower surface of the hand-held handle are respectively fixed with a rotary chuck through a support column. When the device is used, the needle cylinder penetrates through the middle of the two rotary chucks, the rotary chucks are rotated to clamp and fix the needle cylinder, and the push rod is clamped by the fixing clamp. The advancing button on the control button is pressed, the stepping motor is started to drive the lead screw to work, the pull rod is driven by the lead screw to move towards the handheld handle, so that the push rod moves along with the lead screw, and the push rod moves to push out the liquid medicine in the needle cylinder to be injected to a patient. The electric propulsion injection reduces the working intensity of medical staff.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the handle of the present invention in a front cross-sectional view;

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

fig. 4 is a rear view structure diagram of the handle of the present invention.

In the figure: 1. a push rod; 2. a needle cylinder; 3. a piston; 4. rotating the chuck; 5. a pillar; 6. a handle; 7. a control button; 8. a pull rod; 9. a connecting rod; 10. a fixing clip; 11. a small-sized storage battery; 12. a stepping motor; 13. a lead screw; 14. a power supply connector; 15. heat dissipation holes; 16. and (7) a cover plate.

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 and fig. 2, the present invention provides an embodiment: the utility model provides an electric injector convenient to use, includes cylinder 2, handheld handle 6, pull rod 8 and connecting rod 9, and cylinder 2 is different from the surface at both ends and is carved with the scale, and movable mounting has push rod 1 on cylinder 2, and the one end that push rod 1 stretched into in cylinder 2 is fixed with piston 3, and the piston 3 outside is laminated with 2 inner walls of cylinder. The two sides of the lower surface of the hand-held handle 6 are respectively fixed with a rotary chuck 4 through a pillar 5, the needle cylinder 2 passes through the middle of the two rotary chucks 4, and the rotary chucks 4 are rotated to clamp and fix the needle cylinder 2. The interior of the handle 6 is provided with a cavity, and the top end of one side of the interior of the handle 6 is fixed with the small-sized storage battery 11, as is well known to those skilled in the art, the small-sized storage battery 11 belongs to conventional means or common knowledge, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience. A stepping motor 12 is fixed at the top end of the inner part of the handle 6 at one side of the small-sized storage battery 11, as is well known to those skilled in the art, the power supply of the stepping motor 12 is common, which belongs to the conventional means or common knowledge, and is not described herein again, and those skilled in the art can make any choice according to their needs or convenience. The small-sized battery 11 is electrically connected to the stepping motor 12, and the small-sized battery 11 supplies electric power to the stepping motor 12. The inside top of the handheld handle 6 of step motor 12 one side is fixed with lead screw 13, and step motor 12 rotates with lead screw 13 to be connected, and lead screw 13 stretches into the inside one end swing joint of handheld handle 6 with pull rod 8, and lead screw 13 rotates under step motor 12's effect and drives pull rod 8 and remove. The other end of the pull rod 8 extends out of the handheld handle 6 to be fixedly connected with the top end of the connecting rod 9, a fixing clamp 10 is fixed at the bottom end of the connecting rod 9, and the push rod 1 is clamped and fixed by the fixing clamp 10. When the forward button on the control button 7 is pressed, the stepping motor 12 is started to drive the lead screw 13 to work, the lead screw 13 drives the pull rod 8 to move towards the handheld handle 6, so that the push rod 1 moves along with the lead screw, and the push rod 1 moves to push out the liquid medicine in the needle cylinder 2 to be injected to a patient. The electric propulsion injection reduces the working intensity of medical staff.

Referring to fig. 4, the present invention provides an embodiment: the utility model provides an electric injector convenient to use, the rotation of handheld 6 rear ends of handle installs apron 16, and apron 16 seals the opening of handheld 6 rear ends of handle, has seted up louvre 15 on the apron 16, opens apron 16 and can overhaul the inside small-size battery 11 of handheld 6, step motor 12 and lead screw 13, and louvre 15 helps the heat dissipation.

Referring to fig. 3, the present invention provides an embodiment: a power connector 14 is fixedly embedded in one side of the top end of a handheld handle 6, the power connector 14 is electrically connected with a small storage battery 11, and the small storage battery 11 can be charged after the power connector 14 is connected with an external power supply.

Referring to fig. 1, the present invention provides an embodiment: a control button 7 is embedded in one side of the front face of a handheld handle 6, the control button 7 is divided into a forward button, a stop button and a backward button, the control button 7 is electrically connected with a stepping motor 12, the forward button controls the stepping motor 12 to rotate forwards, the backward button controls the stepping motor 12 to rotate backwards, and the stop button stops the stepping motor 12.

The working principle is as follows: the needle cylinder 2 penetrates through the middle of the two rotary chucks 4, the rotary chucks 4 are rotated to clamp and fix the needle cylinder 2, and the fixed clamp 10 clamps and fixes the push rod 1. When the forward button on the control button 7 is pressed, the stepping motor 12 is started to drive the lead screw 13 to work, the lead screw 13 drives the pull rod 8 to move towards the handheld handle 6, so that the push rod 1 moves along with the lead screw, and the push rod 1 moves to push out the liquid medicine in the needle cylinder 2 to be injected to a patient.

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. An electric injector convenient to use, comprising a needle cylinder (2), a hand-held handle (6), a pull rod (8) and a connecting rod (9), characterized in that: the automatic feeding device is characterized in that a push rod (1) is movably mounted on the needle cylinder (2), one end of the push rod (1) extending into the needle cylinder (2) is fixed with a piston (3), the outer side of the piston (3) is attached to the inner wall of the needle cylinder (2), rotary chucks (4) are fixed to the two sides of the lower surface of the handheld handle (6) through pillars (5), the needle cylinder (2) penetrates through the middle of the two rotary chucks (4) to be fixed, a cavity is formed in the handheld handle (6), a small storage battery (11) is fixed to the top end of one side of the handheld handle (6) inside the handheld handle (6), a stepping motor (12) is fixed to the top end of the handheld handle (6) on one side of the small storage battery (11), the small storage battery (11) is electrically connected with the stepping motor (12), a lead screw (13) is fixed to the top end of the handheld handle (6) on one side of the stepping motor (, lead screw (13) and pull rod (8) stretch into the inside one end swing joint of handheld handle (6), the other end of pull rod (8) stretches out the top fixed connection of handheld handle (6) and connecting rod (9), the bottom of connecting rod (9) is fixed with fixation clamp (10), and fixation clamp (10) are fixed push rod (1) centre gripping.

2. A power injector for convenient use according to claim 1, wherein: scales are carved on the surface of the needle cylinder (2) different from the two ends.

3. A power injector for convenient use according to claim 1, wherein: the rear end of the handheld handle (6) is rotatably provided with a cover plate (16), the cover plate (16) seals an opening at the rear end of the handheld handle (6), and the cover plate (16) is provided with a heat dissipation hole (15).

4. A power injector for convenient use according to claim 1, wherein: and a power supply connector (14) is fixedly embedded into one side of the top end of the hand-held handle (6), and the power supply connector (14) is electrically connected with the small-sized storage battery (11).

5. A power injector for convenient use according to claim 1, wherein: control button (7) are installed in the embedding of one side in the front of handheld handle (6), and control button (7) divide into the button that advances, stop button and retreat the button, and control button (7) are connected with step motor (12) electricity.