CN211272881U

CN211272881U - Angiocardiography injector

Info

Publication number: CN211272881U
Application number: CN201922113720.XU
Authority: CN
Inventors: 王莹; 刘盛君; 李冬先
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-18
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to the technical field of medical equipment, in particular to a cardiovascular radiography injector, which comprises an injection tube, wherein the injection tube is provided with a rotatable sleeve at the inner side of a tail port, the inner side of the sleeve is clamped with a nut sleeve, the inner side of the nut sleeve is matched with a screw rod by screw threads, one side of the sleeve is provided with a movable tube, the movable tube passes through the tail end of the injection tube and extends to the outer side of the injection tube, and a cavity is reserved in the movable tube, the utility model solves the problems of long injection process, low efficiency and high working difficulty of medical staff, when the injector is used, the medical staff can extract a large amount of injection liquid medicine at one time and then rotate the movable tube to judge the injection amount of the liquid medicine according to the moving position of an indicator plate on a graduated scale, and the rotary injection liquid medicine is better controlled compared with the push type injection, further ensuring the accurate injection of the liquid medicine, reducing the working difficulty of medical staff and improving the treatment effect of patients.

Description

Angiocardiography injector

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a cardiovascular radiography injector.

Background

In the cardiovascular disease diagnosis and treatment process in the cardiology department of hospitals, in order to more accurately know the cardiovascular specific conditions, the angiography examination of the blood vessels is often needed, and the specific method is to inject the liquid medicine into the blood vessels through a syringe, and the prior art liquid medicine syringe is actually the prior art syringe.

When injecting the liquid medicine, the medical staff takes out the fixed amount of liquid medicine according to the injection needs, however, in many cases, the liquid medicine needs to be injected into the patient for a plurality of times, and after the liquid medicine is injected after being extracted once, the liquid medicine is extracted for the next injection, the whole working cycle is relatively long and troublesome, and the amount of liquid medicine cannot be accurate, therefore, the cardiovascular angiography injector is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of long injection process, low efficiency and large work difficulty of medical staff in the prior art of the angiocardiography, and providing the angiocardiography injector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the cardiovascular radiography injector comprises an injection tube, wherein the internal space of the injection tube is a liquid storage chamber, a liquid outlet is arranged at the outlet at the front end of the injection tube, a needle head is arranged at the outer side of the liquid outlet, a rotatable sleeve is arranged at the inner side of a tail port of the injection tube, a nut sleeve is clamped at the inner side of the sleeve, a screw rod is in threaded fit with the inner side of the nut sleeve, a movable tube is arranged at one side of the sleeve, the movable tube penetrates through the tail end of the injection tube and extends to the outer side of the injection tube, and a cavity is reserved in the;

one end of the screw rod extends to the inner side of the liquid storage chamber, the other end of the screw rod extends to the inner side of the cavity, a piston plate is arranged at the end part of the screw rod, which is located at the inner side of the liquid storage chamber, and an indicating plate is arranged at the end part of the screw rod, which is located at the inner side of the cavity.

Preferably, the injection tube is provided with an annular sliding groove on the inner wall close to the tail end, the sleeve is embedded in the sliding groove, and the sleeve is in sliding fit with the sliding groove.

Preferably, one end of the movable cylinder is fixedly connected with the sleeve, the rotating centers of the movable cylinder and the sleeve are on the same straight line, and the movable cylinder and the sleeve rotate concentrically.

Preferably, the inner wall of the sleeve is reserved with a jack, the outer wall of the nut sleeve is reserved with a lug matched with the jack, and the lug is inserted into the jack.

Preferably, the movable cylinder is made of transparent materials, and the movable cylinder is made of organic glass or glass resin.

Preferably, the movable cylinder is provided with a graduated scale along the cylinder body.

The utility model has the advantages that: through the injector that this scheme provided, it is long to have solved the cardiovascular radiography process of injecting, inefficiency, medical staff's the big problem of the work degree of difficulty, when using this injector, medical staff can once only extract a large amount of injection liquid medicines, then rotate a movable section of thick bamboo, judge the injection volume of liquid medicine according to the shift position of indicator plate at the scale, and the rotation type is injected the liquid medicine and is compared in impulse type injection liquid medicine, the manpower is better controlled, further ensure the accurate liquid medicine that injects, reduce medical staff's the work degree of difficulty, improve patient's treatment.

Drawings

Fig. 1 is a schematic front view of a cardiovascular angiography injector according to the present invention;

fig. 2 is a schematic structural view of a movable cylinder of the angiographic injector according to the present invention;

fig. 3 is a schematic view of the assembly structure of the sleeve nut sleeve of the angiocardiography injector according to the present invention.

In the figure: the injection device comprises a syringe 1, a liquid storage chamber 2, a sleeve 3, a nut sleeve 4, a screw rod 5, an indicating plate 6, a piston plate 7, a movable barrel 8, a cavity 9, a liquid storage port 10, a needle 11, a graduated scale 12, a jack 13 and a lug 14.

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.

In the embodiment, referring to fig. 1-3, a cardiovascular angiography injector comprises a liquid storage chamber 2 in the inner space of an injection tube 1, a liquid outlet 10 is arranged at the front end outlet of the injection tube 1, a needle 11 is arranged outside the liquid outlet 10, an annular sliding groove is arranged on the inner wall of the injection tube 1 near the tail end, a sleeve 3 is embedded in the sliding groove, the sleeve 3 is in sliding fit with the sliding groove, a jack 13 is reserved on the inner wall of the sleeve 3, a convex block 14 matched with the jack 13 is reserved on the outer wall of a nut sleeve 4, the convex block 14 is inserted in the jack 13, a screw 5 is in threaded fit with the inner side of the nut sleeve 4, one end of a movable cylinder 8 is fixedly connected with the sleeve 3, the movable cylinder 8 and the rotation center of the sleeve 3 are on the same straight line, the movable cylinder 8 and, this ensures that the sleeve 3 is rotated synchronously while the movable barrel 8 is manually rotated.

The movable cylinder 8 penetrates through the tail end of the injection cylinder 1 and extends to the outer side of the injection cylinder 1, and a cavity is reserved in the movable cylinder 8; one end of the screw rod 5 extends to the inner side of the liquid storage chamber 2, the other end of the screw rod 5 extends to the inner side of the cavity 9, a piston plate 7 is arranged at the end part of the screw rod 5, which is positioned at the inner side of the liquid storage chamber 2, and an indicating plate 6 is arranged at the end part of the screw rod 5, which is positioned at the inner side of the cavity 9.

The movable cylinder 8 is made of transparent materials, the movable cylinder 8 is made of organic glass or glass resin, the movable cylinder 8 is preferably made of organic glass, and the movable cylinder 8 is provided with a graduated scale 12 along the cylinder body.

The specific working process is as follows: the needle 11 is inserted into the liquid medicine to be taken, the movable cylinder 8 is rotated, so that the rod body of the screw rod 5 is driven to move into the cavity 9 through the nut sleeve 4 when the sleeve 3 rotates, and when the screw rod 5 moves to the deepest part of the inner side of the cavity 9, the aim of once-used large-amount liquid medicine extraction can be achieved; when injecting the liquid medicine, reverse activity section of thick bamboo 8, screw rod 5 removes in to stock solution room 2, thereby can extrude the liquid medicine in the stock solution room 2 from syringe needle 11, at the in-process that screw rod 5 removed, indicator plate 6 removes along scale 12 on the 8 outer walls of activity section of thick bamboo all the time, owing to realize screw rod 5 through the pivoted mode and feed, consequently, compare in traditional hand push piston rod formula, the injection volume of more easily controlled liquid medicine, for manual operation provides convenience, reduce medical staff's the work degree of difficulty, improve patient's treatment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The cardiovascular radiography injector comprises an injection tube (1), wherein the internal space of the injection tube (1) is a liquid storage chamber (2), a liquid outlet (10) is arranged at the outlet of the front end of the injection tube (1), and a needle head (11) is arranged at the outer side of the liquid outlet (10), and the cardiovascular radiography injector is characterized in that the injection tube (1) is provided with a rotatable sleeve (3) at the inner side of the tail end port, the inner side of the sleeve (3) is clamped with a nut sleeve (4), the inner side of the nut sleeve (4) is in threaded fit with a screw rod (5), one side of the sleeve (3) is provided with a movable barrel (8), the movable barrel (8) penetrates through the tail end of the injection tube (1) and extends to the outer side of the injection tube (1), and a cavity (9) is;

one end of the screw rod (5) extends to the inner side of the liquid storage chamber (2), the other end of the screw rod (5) extends to the inner side of the cavity (9), a piston plate (7) is arranged at the end part of the screw rod (5) located at the inner side of the liquid storage chamber (2), and an indicating plate (6) is arranged at the end part of the screw rod (5) located at the inner side of the cavity (9).

2. An angiographic injector according to claim 1, wherein the syringe (1) is provided with an annular groove on the inner wall near the rear end, the sleeve (3) being inserted in the groove, the sleeve (3) being in sliding engagement with the groove.

3. The angiographic injector according to claim 2, wherein one end of the movable barrel (8) is fixedly connected to the sleeve (3), the centers of rotation of the movable barrel (8) and the sleeve (3) are aligned, and the movable barrel (8) and the sleeve (3) rotate concentrically.

4. An angiographic injector according to claim 1, characterized in that the inner wall of the sleeve (3) is provided with a socket (13), the outer wall of the nut sleeve (4) is provided with a projection (14) adapted to the socket (13), and the projection (14) is inserted into the socket (13).

5. The angiographic injector according to claim 1, wherein the movable cylinder (8) is made of a transparent material and the movable cylinder (8) is made of plexiglass or glass-resin.

6. An angiographic injector according to claim 5, wherein the movable barrel (8) is provided with a scale (12) along the barrel body.