CN218980039U

CN218980039U - Labor-saving structure of radiography injector

Info

Publication number: CN218980039U
Application number: CN202222343546.XU
Authority: CN
Inventors: 罗晓成; 韩素琴; 杨林; 吴新艳; 苟文彬; 曾勇
Original assignee: SICHUAN GUANGYUAN KANGKANG MEDICAL EQUIPMENT CO LTD
Current assignee: SICHUAN GUANGYUAN KANGKANG MEDICAL EQUIPMENT CO LTD
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-05-09
Anticipated expiration: 2032-09-05

Abstract

The utility model provides a labor-saving structure of a contrast injector, and aims to solve the technical problem in the prior art that people pushing the contrast injector have high requirements. The labor-saving structure comprises a shell, wherein one end of the shell is provided with a clamping groove which can be connected to a tail plate of a radiography injector; the rod penetrates through the shell, and one end of the screw rod is detachably arranged on a piston of the contrast injector; the two support plates are arranged in the shell, the middle part of each support plate is provided with a through hole, and the screw rod passes through the through holes; the driving body is positioned in the through hole, two ends of the driving body are respectively connected to the two supporting plates in a rotating way, a threaded hole is formed in the middle of the driving body, the threaded hole is matched with the screw rod, and driving teeth are arranged on one circle outside the driving body; the driver is provided with an output end, is in power connection with the driving teeth and drives the driving body to rotate. The labor-saving structure has the advantages of being capable of easily pushing the injector at a constant speed and reducing the use requirement.

Description

Labor-saving structure of radiography injector

Technical Field

The utility model relates to an auxiliary structure of a contrast injector, in particular to a labor-saving structure of the contrast injector.

Background

Contrast is a common method used in cardiovascular ultrasound for diagnosis of disease. In contrast, a syringe is required to inject a contrast medium. The contrast agent is a viscous liquid, and the speed of pushing the contrast agent needs to be slow. In addition, since the contrast agent is viscous, pushing the injector requires a certain force and a certain speed is also grasped, resulting in a high requirement for the person pushing the contrast injector.

Disclosure of Invention

Aiming at the technical problem of high requirement on people pushing the contrast injector in the prior art, the utility model provides a labor-saving structure of the contrast injector, which has the advantages of being capable of pushing the injector at a constant speed and reducing the use requirement.

The technical scheme of the utility model is as follows:

a labor-saving structure of a contrast injector, comprising:

a housing having a slot at one end thereof, the slot being connectable to a tail plate of a contrast injector;

the screw rod penetrates through the shell, and one end of the screw rod is detachably arranged on a piston of the contrast injector;

the two support plates are arranged in the shell, the middle part of each support plate is provided with a through hole, and the screw rod penetrates through the through holes;

the driving body is positioned in the through hole, two ends of the driving body are respectively connected to the two supporting plates in a rotating mode, a threaded hole is formed in the middle of the driving body, the threaded hole is matched with the screw rod, and driving teeth are arranged on one circle outside the driving body;

the driver is provided with an output end, is in power connection with the driving teeth and drives the driving body to rotate.

Optionally, the driver includes:

a main gear which is positioned between the two support plates and meshed with the driving teeth;

the output shaft of the motor penetrates through the two supporting plates and is rotationally connected with the two supporting plates, and the main gear is arranged on the output shaft of the motor;

and the battery is arranged in the shell and is electrically connected with the motor.

Optionally, the driver further comprises:

the buttons are respectively and electrically connected with the motor, and the two buttons respectively control the motor to rotate positively or reversely.

Optionally, the battery is of annular structure, and the screw passes through the battery.

Optionally, the battery can charge and discharge, be equipped with charge and discharge module and charging socket in the casing.

Optionally, the shell is hollow cylindrical, and the clamping groove is of a U-shaped structure.

Optionally, the length of the screw is greater than the depth of the contrast injector.

Optionally, a distance between the support plate and the clamping groove is greater than a length of the contrast injector piston.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, a shell can be connected to a tail plate of the contrast injector, a screw rod and a driver are arranged in the shell, the driver can drive the screw rod to move linearly along the axis direction, and one end of the screw rod is fixedly connected to a piston of the contrast injector, so that when the driver drives the screw rod to move linearly, the piston also moves linearly in the contrast injector.

In the technical scheme, the moving speed of the piston can be controlled by controlling the moving speed of the screw driven by the driver, and the driver can be controlled by pressing a button. The requirement of operating the high contrast injector is reduced, and the movement speed of the piston in the contrast injector can be well controlled.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the present utility model in use;

fig. 2 is a schematic structural view of the present utility model.

Reference numerals:

1. a piston; 2. a contrast injector; 3. a clamping groove; 4. a tail plate; 5. a front support plate; 6. a main gear; 7. a rear support plate; 8. a motor; 9. a battery; 10. a screw; 11. a button; 12. a drive tooth; 13. a driving body.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed in use of the product of the present utility model, or orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Examples

Referring to fig. 1 and 2, a labor-saving structure of a contrast injector 2 includes a housing, a screw 10, a front support plate 5, a rear support plate 7, a driving body 13, and a driver. Specific:

the outer periphery of one end of the contrast injector 2 far away from the connecting needle head is provided with a tail plate 4, and the interior of the contrast injector 2 is movably provided with a piston 1.

The casing is hollow cylindrical structure, and the one end of casing is provided with draw-in groove 3, and draw-in groove 3 can overlap to establish on the tailboard 4 of radiography syringe 2.

One end of the screw 10 is detachably connected to the plunger 1 of the contrast injector 2, and the other end of the screw 10 passes through the housing. A front support plate 5 is arranged in one end of the housing close to the contrast injector 2, only a rear support plate 7 is arranged at a position adjacent to the front support plate 5, a space is reserved between the front support plate 5 and the rear support plate 7, and through holes are reserved in the middle parts of the front support plate 5 and the rear support plate 7, and the screw 10 penetrates through the through holes. In addition, the distance between the front support plate 5 and the clamping groove 3 is larger than the length of the piston 1 of the contrast injector 2.

The driving body 13 is located in the through holes of the front support plate 5 and the rear support plate 7, and two ends of the driving body 13 are respectively connected with the through holes of the front support plate 5 and the rear support plate 7 in a rotating way through bearings.

The middle part of the driving body 13 is provided with a threaded hole which is matched with the screw rod 10, and the driving body 13 rotates on the front supporting plate 5 and the rear supporting plate 7, so that the screw rod 10 can move in a straight line in the shell.

The outer periphery of the driving body 13 is provided with a circle of driving teeth 12, and the driving teeth 12 are positioned between the front support plate 5 and the rear support plate 7. The driver has an output that is in power communication with the drive teeth 12 to rotate the drive teeth 12.

The working principle of this embodiment is that, first, a housing is provided with a screw 10 and a driver, which can drive the screw 10 to move linearly along the axial direction, and can be connected to the tail plate 4 of the contrast injector 2, and the driver drives the screw 10 to move linearly along the piston 1 of the contrast injector 2, so that the piston 1 moves linearly in the contrast injector 2 when the driver drives the screw 10 to move linearly.

In the present embodiment, the moving speed of the piston 1 can be controlled by controlling the speed at which the driver drives the screw 10, and the driver can be controlled only by pressing the button 11. The requirement for operating the high contrast injector 2 is reduced and the speed of movement of the plunger 1 within the contrast injector 2 can be controlled well.

In one particular implementation:

the driver comprises a main gear 6, a motor 8, a battery 9 and a button 11.

Wherein the main gear 6 is located between the front support plate 5 and the rear support plate 7, the main gear 6 being in engagement with the drive teeth 12. The main gear 6 is mounted on the output shaft of the motor 8.

The motor 8 is mounted on the rear support plate 7, and the motor 8 is located on a side remote from the rear support plate 7 from the main gear 6. The output shaft of the motor 8 passes through the rear support plate 7 and the front support plate 5 and is rotatably connected with the rear support plate 7 and the front support plate 5 through bearings.

The battery 9 is disposed within the housing at an end remote from the card slot 3. The battery 9 is annular in shape as a whole, and the screw 10 passes through the middle of the battery 9.

The buttons 11 are two, respectively control the forward and reverse rotation of the motor 8, and the forward and reverse rotation of the motor 8 is controlled by different buttons 11 to be conventional circuit control, so that a detailed circuit diagram is provided in a common textbook, and is not repeated here.

In addition, the battery 9 is a lithium battery 9 capable of being charged and discharged in a circulating manner, a charging/discharging module and a charging interface are arranged in the housing, and the charging technology of the lithium battery 9 is also the prior art.

In the embodiment, the battery 9 is used for storing electricity, energy is continuously conveyed for the rotation of the motor 8, the motor 8 drives the main gear 6 to rotate, the main gear 6 is meshed with the driving teeth 12, and the driving teeth 12 drive the driving body 13 to rotate, so that the screw 10 does uniform linear motion.

In another specific implementation:

the clamping groove 3 is of a U-shaped structure, so that the tail plate 4 of the contrast injector 2 can be conveniently inserted from one end of the clamping groove 3, and one end of the clamping groove 3 with an arc shape is completely attached to the tail plate 4 of the contrast injector 2.

In this embodiment, the structure is connected to the tail plate 4 by a direction perpendicular to the axis of the contrast injector 2, and, in use, the direction of the force of the screw 10 on the plunger 1 is parallel to the axis of the contrast injector 2. Therefore, the U-shaped clamping groove 3 ensures the quick connection between the structure and the contrast injector 2, and meets the connection strength between the clamping groove 3 and the contrast injector 2.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. A labor-saving structure of a contrast injector, comprising:

2. The effort-saving structure of a contrast injector according to claim 1, wherein,

the driver includes:

3. The effort-saving structure of a contrast injector according to claim 2, wherein,

the driver further includes:

4. The effort-saving structure of a contrast injector according to claim 2, wherein,

the battery is of an annular structure, and the screw rod penetrates through the battery.

5. The effort-saving structure of a contrast injector according to claim 2, wherein,

the battery can be charged and discharged, and a charging and discharging module and a charging socket are arranged in the shell.

6. The effort-saving structure of a contrast injector according to claim 1, wherein,

the shell is hollow and cylindrical, and the clamping groove is of a U-shaped structure.

7. The effort-saving structure of a contrast injector according to claim 1, wherein,

the length of the screw is greater than the depth of the contrast injector.

8. The effort-saving structure of a contrast injector according to claim 1, wherein,

the distance between the supporting plate and the clamping groove is larger than the length of the contrast injector piston.