CN211863496U

CN211863496U - Auxiliary injection device for cardiovascular radiography

Info

Publication number: CN211863496U
Application number: CN201922351885.0U
Authority: CN
Inventors: 张苡榕; 李勇军; 唐一锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-06
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a cardiovascular radiography auxiliary injector, which comprises an injector body, a fixed box and an installation box, the utility model has simple and reasonable structural design, when in work, the fixed valve is opened, the contrast agent in the liquid storage box is sent to the injector body, the contrast agent in the liquid storage box is heated and temperature controlled by a heater and a temperature sensor, so that the flowing speed of the contrast agent is increased, the injection efficiency is convenient to improve, and the patient is more comfortable when in injection; the button is pressed, so that the micro motor drives the first gear and the second gear to rotate, the threaded rod drives the first sealing gasket to move up and down, and the contrast medium in the injector body is injected into a human body through the needle head, so that the injection is more uniform and the use is convenient; the storage battery is convenient for improving the power of the device, and the one-way valve is used for preventing blood from flowing back and polluting the contrast medium in the injector body during injection; the heat preservation is convenient for keep warm to the liquid reserve tank to prevent that the liquid reserve tank heat from gigging faster.

Description

Auxiliary injection device for cardiovascular radiography

Technical Field

The utility model relates to the technical field of medical equipment, specifically a supplementary notes ware of promoting of cardiovascular radiography.

Background

The cardiovascular angiography is characterized in that a contrast agent is quickly injected into a heart cavity or a blood vessel through a cardiac catheter, the heart and the blood vessel cavity are developed under the X-ray irradiation, and the development process of the heart and the blood vessel cavity is shot by methods such as quick photography, television photography or video tape and the like, so that the blood flowing sequence containing the contrast agent and the filling condition of the heart blood vessel can be seen from the development result, and the physiological and anatomical changes of the heart and the blood vessel are solved. Is a valuable method for diagnosing the cardiovascular diseases.

When the existing cardiovascular radiography auxiliary injector is used, because a push-pull rod handle of an injector is small, a palm of a user can be tired when injecting a contrast agent for a long time, time and labor are wasted, and the user can easily shake during injection; the injection cannot be performed uniformly; the heating of the contrast agent is not convenient, discomfort is easy to cause when the contrast agent is injected into a human body, the viscosity of the contrast agent is higher, the difficulty of injection is higher, and the injection efficiency is lower. Accordingly, one skilled in the art provides an auxiliary injector for cardiovascular imaging to solve the problems set forth in the background above.

Disclosure of Invention

An object of the utility model is to provide a supplementary notes ware of promoting of cardiovascular radiography to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an auxiliary injector for cardiovascular radiography comprises an injector body, a fixed box and an installation box, wherein the fixed box is arranged at the upper end of the injector body, a micro motor is arranged on the left side of the lower end in the fixed box, a first gear is arranged on an output shaft of the micro motor, and the first gear is meshed with a second gear; a sleeve is arranged at the lower end of the second gear, and a threaded rod is arranged in the second gear; the upper end of the threaded rod is provided with an installation box, the left side and the right side of the installation box are both provided with guide pillars and guide sleeves, and the lower ends of the guide pillars and guide sleeves are fixedly connected with the fixed box; the lower end of the threaded rod is provided with a guide rod, and the lower end of the guide rod is provided with a first sealing gasket; a second sealing gasket is arranged above the inside of the injector body, a liquid outlet is formed in the center of the right end of the injector body, a hose is arranged at the right end of the liquid outlet, a connector is arranged on the hose, a one-way valve is arranged at the right end of the connector, and a needle head is arranged at the right end of the one-way valve; a heat-insulating layer is embedded in the installation box, a liquid storage box is arranged at the upper end in the installation box, a heater is arranged at the center of the upper end in the liquid storage box, and a temperature sensor is arranged on the left side of the upper end in the liquid storage box; the lower end of the liquid storage tank is fixedly connected with the threaded rod, and the upper end of the threaded rod is provided with a proportional valve.

As a further aspect of the present invention: a through hole is formed in the second sealing gasket and matched with the guide rod; the right end of the injector body is provided with a button, and the button is connected with the micro motor starting button in parallel.

As a further aspect of the present invention: the second gear is in threaded connection with the threaded rod, and four corners of the lower end of the second gear are in sliding connection with the sleeve through balls.

As a further aspect of the present invention: the diameter of the threaded rod is the same as that of the guide rod, through holes are formed in the threaded rod and the guide rod, and a plurality of outlet holes are distributed on the left side and the right side of the lower end of the guide rod; the heat-insulating layer is made of glass fiber; the injector body is made of transparent materials, and scale marks are arranged on the injector body.

As a further aspect of the present invention: a storage battery is arranged on the right side of the lower end in the fixed box; the micro motor, the heater, the temperature sensor and the proportional valve are electrically connected with the storage battery through leads.

As a further aspect of the present invention: the heater, the temperature sensor and the quantitative valve are electrically connected with an external controller through leads, the type of the heater is LBN-BNC, the type of the temperature sensor is TP21TP100, and the type of the external controller is MM-40MR-12 MT-700-FX-A.

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

1. the utility model discloses the during operation is opened the proportional valve, and it is originally internal to deliver to the injector with the contrast medium in the liquid reserve tank, heats and temperature control through heater, temperature sensor contrast medium in to the liquid reserve tank, makes the flow rate of contrast medium become fast, is convenient for improve injection efficiency, and when the injection, makes patient more comfortable.

2. The utility model discloses the during operation is pressed the button, makes micro motor drive first gear, second gear revolve to make the threaded rod drive first sealed pad and reciprocate, will inject this internal contrast medium of ware and inject the human body through the syringe needle in, more even during the injection, convenient to use.

3. When the utility model works, the storage battery is convenient for improving the power of the device, and the one-way valve prevents blood backflow and pollution to the contrast medium in the injector body during injection; the heat preservation is convenient for keep warm to the liquid reserve tank to prevent that the liquid reserve tank heat from gigging down sooner, practice thrift the electric energy.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary injector for cardiovascular radiography.

Fig. 2 is a schematic structural diagram of a mounting box in an auxiliary injector for cardiovascular radiography.

In the figure: the injection device comprises an injector body 1, a fixed box 2, a micro motor 3, a first gear 4, a second gear 5, a sleeve 6, a threaded rod 7, an installation box 8, a guide pillar and guide sleeve 9, a guide rod 10, a first sealing gasket 11, a second sealing gasket 12, a liquid outlet 13, a joint 14, a one-way valve 15, a needle 16, a liquid storage box 17, a heater 18, a temperature sensor 19, a proportional valve 20, a heat preservation layer 21 and a storage battery 22.

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.

Referring to fig. 1-2, in an embodiment of the present invention, an auxiliary injector for cardiovascular angiography includes an injector body 1, a fixing box 2 and an installation box 8, the fixing box 2 is disposed at the upper end of the injector body 1, a micro motor 3 is disposed at the left side of the inner lower end of the fixing box 2, a first gear 4 is disposed on an output shaft of the micro motor 3, and the first gear 4 is engaged with a second gear 5; a sleeve 6 is arranged at the lower end of the second gear 5, and a threaded rod 7 is arranged in the second gear 5; the upper end of the threaded rod 7 is provided with an installation box 8, the left side and the right side of the installation box 8 are both provided with guide pillar guide sleeves 9, and the lower ends of the guide pillar guide sleeves 9 are fixedly connected with the fixed box 2; the lower end of the threaded rod 7 is provided with a guide rod 10, and the lower end of the guide rod 10 is provided with a first sealing gasket 11; a second sealing gasket 12 is arranged above the inside of the injector body 1, a liquid outlet 13 is arranged at the center of the right end of the inside of the injector body 1, a hose is arranged at the right end of the liquid outlet 13, a connector 14 is arranged on the hose, a check valve 15 is arranged at the right end of the connector 14, and a needle 16 is arranged at the right end of the check valve 15; a heat-insulating layer 21 is embedded in the installation box 8, a liquid storage box 17 is arranged at the upper end in the installation box 8, a heater 18 is arranged at the center of the upper end in the liquid storage box 17, and a temperature sensor 19 is arranged on the left side of the upper end in the liquid storage box 17; the lower end of the liquid storage tank 17 is fixedly connected with the threaded rod 7, and the upper end of the threaded rod 7 is provided with a proportional valve 20.

A through hole is formed in the second sealing gasket 12 and matched with the guide rod 10; the right end of the injector body 1 is provided with a button which is connected with the starting button of the micro motor 3 in parallel.

The second gear 5 is in threaded connection with the threaded rod 7, and four corners of the lower end of the second gear 5 are in sliding connection with the sleeve 6 through balls.

The diameter of the threaded rod 7 is the same as that of the guide rod 10, through holes are formed in the threaded rod 7 and the guide rod 10, and a plurality of outlet holes are distributed on the left side and the right side of the lower end of the guide rod 10; the heat-insulating layer 21 is made of glass fiber; the injector body 1 is made of transparent materials, and the injector body 1 is provided with scale marks.

A storage battery 22 is arranged on the right side of the lower end in the fixed box 2; the micro motor 3, the heater 18, the temperature sensor 19 and the proportional valve 20 are electrically connected with the storage battery 22 through leads.

The heater 18, the temperature sensor 19 and the proportional valve 20 are electrically connected with an external controller through leads, the model of the heater 18 is LBN-BNC, the model of the temperature sensor 19 is TP21TP100, and the model of the external controller is MM-40MR-12 MT-700-FX-A.

The utility model discloses a theory of operation is:

the utility model relates to a cardiovascular radiography assists injector, during operation, open proportional valve 20, send the contrast medium in the liquid reserve tank 17 to injector body 1 in, through heater 18, temperature sensor 19 to the contrast medium in the liquid reserve tank 17 heat and temperature control, make the flow rate of contrast medium become fast, be convenient for improve injection efficiency, and when injecting, make patient more comfortable; the button is pressed, so that the micro motor 3 drives the first gear 4 and the second gear 5 to rotate, the threaded rod 7 drives the first sealing gasket 11 to move up and down, and the contrast medium in the injector body 1 is injected into a human body through the needle head 16, so that the injection is more uniform and the use is convenient; the storage battery 22 is convenient for improving the power of the device, and the one-way valve 15 is used for preventing blood backflow and pollution to contrast media in the injector body 1 during injection; the heat preservation layer 21 is convenient for heat preservation of the liquid storage tank 17, so that heat dissipation of the liquid storage tank 17 is prevented from being fast, and electric energy is saved.

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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The auxiliary injector for the cardiovascular angiography comprises an injector body (1), a fixed box (2) and an installation box (8), and is characterized in that the fixed box (2) is arranged at the upper end of the injector body (1), a micro motor (3) is arranged on the left side of the inner lower end of the fixed box (2), a first gear (4) is arranged on an output shaft of the micro motor (3), the first gear (4) is meshed with a second gear (5), a sleeve (6) is arranged at the lower end of the second gear (5), a threaded rod (7) is arranged in the second gear (5), the installation box (8) is arranged at the upper end of the threaded rod (7), guide columns and guide sleeves (9) are arranged on the left side and the right side of the installation box (8), and the lower ends of the guide columns and guide sleeves (9) are fixedly connected with the fixed box (2); the lower end of the threaded rod (7) is provided with a guide rod (10), the lower end of the guide rod (10) is provided with a first sealing gasket (11), a second sealing gasket (12) is arranged above the inner portion of the syringe body (1), a liquid outlet (13) is arranged at the center of the inner right end of the syringe body (1), a hose is arranged at the right end of the liquid outlet (13), a joint (14) is arranged on the hose, a check valve (15) is arranged at the right end of the joint (14), a needle (16) is arranged at the right end of the check valve (15), a heat-insulating layer (21) is embedded in the installation box (8), a liquid storage box (17) is arranged at the inner upper end of the installation box (8), a heater (18) is arranged at the center of the inner upper end of the liquid storage box (17), a temperature sensor (19) is arranged on the left side of the inner upper, the upper end of the threaded rod (7) is provided with a proportional valve (20).

2. An auxiliary injector for cardiovascular angiography according to claim 1, wherein the second sealing gasket (12) has a through hole therein, said through hole cooperating with the guide rod (10); the right end of the injector body (1) is provided with a button, and the button is connected with the starting button of the micro motor (3) in parallel.

3. An auxiliary injector for cardiovascular angiography according to claim 1, wherein the second gear (5) is screwed to the threaded rod (7), and four corners of the lower end of the second gear (5) are slidably connected to the sleeve (6) via balls.

4. The auxiliary injector for cardiovascular angiography according to claim 1, wherein the threaded rod (7) and the guide rod (10) have the same diameter, through holes are formed in the threaded rod (7) and the guide rod (10), and a plurality of outlet holes are distributed on the left side and the right side of the lower end of the guide rod (10); the heat-insulating layer (21) is made of glass fiber; the injection device body (1) is made of transparent materials, and scale marks are arranged on the injection device body (1).

5. An auxiliary injector for cardiovascular radiography according to claim 1, characterized in that the right side of the lower end in the fixed box (2) is provided with a storage battery (22); the micro motor (3), the heater (18), the temperature sensor (19) and the proportional valve (20) are electrically connected with the storage battery (22) through leads.

6. The auxiliary injector for cardiovascular angiography according to claim 1, wherein the heater (18), the temperature sensor (19) and the quantitative valve (20) are electrically connected to an external controller through wires, the heater (18) is of type LBN-BNC, the temperature sensor (19) is of type TP21TP100, and the external controller is of type MM-40MR-12 MT-700-FX-a.