CN215875746U

CN215875746U - Disposable high-pressure contrast syringe

Info

Publication number: CN215875746U
Application number: CN202121295733.4U
Authority: CN
Inventors: 杨晓远
Original assignee: Beijing Shengyuankang Medical Technology Co Ltd
Current assignee: Beijing Shengyuankang Medical Technology Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-22
Anticipated expiration: 2031-06-10

Abstract

The utility model provides a disposable high-pressure radiography injector, which relates to the technical field of medical instruments and comprises a base, wherein the top of the base is fixedly connected with symmetrical supporting columns, a rotating piece is rotatably connected between the two supporting columns, an injection piece is movably arranged outside the rotating piece, one side of each supporting column is provided with a fixed column, the bottom surface of each fixed column is fixedly connected with the top of the base, the top of each fixed column is fixedly connected with a pusher, and one side of the base is provided with a connecting hose. According to the utility model, through the arrangement of the supporting column and the rotating piece, a user can prepare to install three injection pieces simultaneously when injecting the contrast medium, and when the contrast medium in one injection piece needs to be injected continuously after the injection is finished, the rotating piece can be quickly shifted to replace the next injection piece for injection again, so that the time for taking out and replacing the injection piece is saved, and the use of the user is facilitated.

Description

Disposable high-pressure contrast syringe

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a disposable high-pressure radiography injector.

Background

Contrast agents are chemicals that are injected (or administered) into human tissue or organs to enhance the visualization of images. These articles are denser or less dense than the surrounding tissue and the contrast produced is imaged with some instruments. Such as iodine preparations and barium sulfate which are commonly used for X-ray observation. A high pressure contrast injector is a medical device used to inject contrast media specifically into a human body. Which primarily controls the drive mechanism via internal electronics (e.g., circuit board) to inject the contrast media into the body. At present, syringes on high pressure contrast injectors are single use devices. During installation, the syringe mounting tube and the syringe are sterilized in advance, and the syringe is mounted in the syringe mounting tube of the high-pressure contrast injector.

However, in the prior art, when the existing high-pressure contrast injector injects the contrast medium, generally, after the syringe is used up each time, because the syringe needs to be replaced with a new syringe for reuse after the disposable device is used up, when the dosage of the contrast medium required by a patient is large, the syringe needs to be replaced and taken down from the device, the operation is troublesome, and the syringe cannot be replaced in time, so that the use of the patient is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and the prior high-pressure contrast injector is usually used up each time when injecting contrast media, because the syringe is used up by disposable equipment and needs to be replaced by a new syringe for reuse, when the dosage of the contrast media needed by a patient is large, the syringe needs to be replaced and taken down from the device, the operation is troublesome, the syringe cannot be replaced in time, and the use of the patient is influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme: a disposable high-pressure radiography injector comprises a base, wherein the top of the base is fixedly connected with symmetrical support columns, two support columns are rotatably connected between the support columns, an injection piece is movably mounted outside the rotation piece, one side of each support column is provided with a fixed column, the bottom surface of each fixed column is fixedly connected with the top of the base, a pusher is fixedly connected with the top of each fixed column, and one side of the base is provided with a connecting hose.

As a preferred embodiment, the outer wall fixedly connected with of rotation piece is fixed places the piece, the fixed quantity of placing the piece is provided with three and circumference array distribution, the inside fixedly connected with of rotation piece connects the pivot, the both ends of connecting the pivot are connected with the outer wall rotation of support column, the support column rotates through connecting the pivot and rotating and is connected, the outer wall of rotating the piece is equipped with spacing draw-in groove.

As a preferred embodiment, one side of the supporting column close to the fixed column is provided with a shifting block, one end of the shifting block is fixedly connected with a movable rod, the outer wall of the movable rod is movably connected with the inner wall of the supporting column, a clamping block is fixedly connected to the top of the movable rod, and the size of the clamping block is the same as that of the limiting clamping groove.

As a preferred embodiment, the one end fixedly connected with connector of injection spare, the outer wall fixedly connected with accuse volume board of injection spare, the inside of injection spare is equipped with stores the chamber, the inside of storing the chamber is equipped with movable stopper, the outer wall of movable stopper and the inner wall swing joint of storing the chamber, the movable stopper is close to one side outer wall and the outside intercommunication of impeller, movable stopper and the inner wall junction sealing connection of injection spare.

In a preferred embodiment, the inner wall of the fixed placement member is movably connected with the outer wall of the injection member, and the rotating member is movably connected with the injection member through the fixed placement member.

In a preferred embodiment, the pusher is provided with a plunger at one end close to the injection member, the outer wall of the plunger is movably connected with the inside of the pusher, and the length of the plunger is greater than that of the storage cavity.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, through the arrangement of the supporting column and the rotating part, a user can prepare to install three injection parts simultaneously when injecting the contrast medium, and when the contrast medium in one injection part needs to be injected continuously after the injection is finished, the rotating part can be rapidly shifted to replace the next injection part for injection again, so that the time for taking out and replacing the injection parts is saved, and the use of the user is facilitated.

2. According to the utility model, through the arrangement of the limiting clamping groove and the shifting block, the clamping block is pushed to move by the shifting block when the rotating piece rotates the injection piece to the designated position, so that the clamping block is clamped with the inside of the limiting clamping groove, the rotating piece is further fixed, the rotating piece is prevented from rotating to influence the subsequent injection of the contrast medium, and the stability of the injection device is improved.

Drawings

FIG. 1 is a perspective view of a disposable high pressure contrast injector according to the present invention;

FIG. 2 is a schematic side view of a single-use high-pressure contrast injector according to the present invention;

FIG. 3 is an enlarged schematic view of the single use high pressure contrast injector of the present invention at point A of FIG. 2;

fig. 4 is a schematic diagram of the internal structure of the injection member of the single-use high-pressure contrast injector according to the present invention.

Illustration of the drawings: 1. a base; 11. a support pillar; 12. shifting blocks; 13. fixing a column; 14. a movable rod; 15. A clamping block; 2. a rotating member; 21. connecting the rotating shaft; 22. fixing the placing piece; 23. a limiting clamping groove; 3. an injection member; 31. a connecting port; 32. a quantity control plate; 33. a movable plug; 34. a storage chamber; 4. a connecting hose; 5. A pusher; 51. and a plunger.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: disposable high pressure radiography syringe, which comprises a base 1, the support column 11 of the mutual symmetry of base 1's top fixedly connected with, it has rotation piece 2 to rotate between two support columns 11, the outside movable mounting who rotates piece 2 has injection piece 3, one side of support column 11 is equipped with fixed column 13, the bottom surface of fixed column 13 and base 1's top fixed connection, the top fixedly connected with impeller 5 of fixed column 13, one side of base 1 is equipped with coupling hose 4, make the user when injecting the contrast medium through the setting that rotates piece 2, can prepare three injection pieces 3 of installation simultaneously, when the contrast medium in one injection piece 3 has been injected the back and need continue to inject, can rotate piece 2 fast and change next injection piece 3 and inject once more, the time of taking out and changing installation injection piece 3 has been saved, user's use has been made things convenient for.

The outer wall of the rotating part 2 is fixedly connected with a fixed placing part 22, the number of the fixed placing parts 22 is three, the fixed placing parts are distributed in a circumferential array, the inside of the rotating part 2 is fixedly connected with a connecting rotating shaft 21, two ends of the connecting rotating shaft 21 are rotatably connected with the outer wall of a supporting column 11, the supporting column 11 is rotatably connected with the rotating part 2 through the connecting rotating shaft 21, the outer wall of the rotating part 2 is provided with a limiting clamping groove 23, one side of the supporting column 11, which is close to a fixed column 13, is provided with a shifting block 12, one end of the shifting block 12 is fixedly connected with a movable rod 14, the outer wall of the movable rod 14 is movably connected with the inner wall of the supporting column 11, the top of the movable rod 14 is fixedly connected with a clamping block 15, the size of the clamping block 15 is the same as that of the limiting clamping groove 23, and the clamping block 15 is pushed to move by the shifting block 12 when the rotating part 2 rotates the injection part 3 to a designated position, the clamping block 15 is clamped with the limiting clamping groove 23, so that the rotating piece 2 is fixed to avoid the influence of rotation on subsequent injection of the contrast medium, and the stability of the utility model is improved.

One end fixedly connected with connector 31 of injection piece 3, the outer wall fixedly connected with accuse graduated flask 32 of injection piece 3, the inside of injection piece 3 is equipped with storage chamber 34, the inside of storage chamber 34 is equipped with movable stopper 33, the outer wall of movable stopper 33 and the inner wall swing joint who stores chamber 34, movable stopper 33 is close to one side outer wall and the outside intercommunication of impeller 5, movable stopper 33 and the inner wall junction sealing connection of injection piece 3, can utilize the scale on accuse graduated flask 32 surface to observe the dose of injection piece 3 injection contrast medium in real time when injecting the contrast medium through accuse graduated flask 32 setting, the injection volume of the accurate control contrast medium of person of facilitating the use.

One end of the pusher 5 close to the injection piece 3 is provided with a plunger 51, the outer wall of the plunger 51 is movably connected with the interior of the pusher 5, the length of the plunger 51 is larger than that of the storage cavity 34, the design is convenient for the plunger 51 to fully discharge the contrast medium in the storage cavity 34 when being pushed out, and the waste of the contrast medium caused by residue is reduced.

The working principle of the embodiment is as follows:

as shown in fig. 1-4, when in use, the pusher 5 is controlled to start to push out the plunger 51, a pre-guess test is performed, after the test is completed, the injection piece 3 is placed at the fixed placing piece 22, the rotating piece 2 is rotated, the center of one end of the injection piece 3 close to the pusher 5 is aligned with the axis of the plunger 51, at this time, the shifting block 12 is moved, the fixture block 15 is engaged with the inside of the limiting clamping groove 23, so that the rotating piece 2 is fixed, the rotating piece 2 cannot rotate during injection of a contrast medium, after the injection piece 3 is placed, one end of the connecting hose 4 is connected with the connecting port 31, the other end of the connecting hose 4 is connected with the output end, then the pusher 5 is controlled again to push out the plunger 51, so that the movable plug 33 is pushed to move, so that the contrast medium in the storage cavity 34 is discharged from the connecting port 31 and enters the inside of a patient through the connecting hose 4, when the contrast agent amount of one injection piece 3 is not enough, another injection piece 3 can be placed on another fixed placing piece 22 of the rotating piece 2 in advance, the clamping block 15 is pulled out from the limiting clamping groove 23 when the injection piece is needed to be used, the rotating piece 2 is stirred, the other injection piece 3 is moved to the axis of the pusher 5, the clamping block 15 is used for limiting and fixing, and the injection operation is performed again.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. Disposable high pressure radiography syringe, including base (1), its characterized in that: the utility model discloses a quick-witted, including base (1), the top fixedly connected with support column (11) of mutual symmetry of base (1), two rotate between support column (11) and be connected with rotation piece (2), the outside movable mounting who rotates piece (2) has injection (3), one side of support column (11) is equipped with fixed column (13), the bottom surface of fixed column (13) and the top fixed connection of base (1), the top fixedly connected with impeller (5) of fixed column (13), one side of base (1) is equipped with coupling hose (4).

2. The single use high pressure contrast injector of claim 1, wherein: the outer wall fixedly connected with of rotating piece (2) is fixed places piece (22), the fixed quantity of placing piece (22) is provided with three and circumference array distribution, the inside fixedly connected with of rotating piece (2) connects pivot (21), the both ends of connecting pivot (21) are connected with the outer wall rotation of support column (11), support column (11) rotate with rotating piece (2) through connecting pivot (21) and are connected, the outer wall of rotating piece (2) is equipped with spacing draw-in groove (23).

3. The single use high pressure contrast injector of claim 1, wherein: one side of the supporting column (11) close to the fixing column (13) is provided with a shifting block (12), one end of the shifting block (12) is fixedly connected with a movable rod (14), the outer wall of the movable rod (14) is movably connected with the inner wall of the supporting column (11), the top of the movable rod (14) is fixedly connected with a clamping block (15), and the size of the clamping block (15) is the same as that of the limiting clamping groove (23).

4. The single use high pressure contrast injector of claim 1, wherein: the one end fixedly connected with connector (31) of injection piece (3), the outer wall fixedly connected with accuse volume board (32) of injection piece (3), the inside of injection piece (3) is equipped with stores chamber (34), the inside of storing chamber (34) is equipped with activity stopper (33), the outer wall of activity stopper (33) and the inner wall swing joint of storing chamber (34), one side outer wall and the outside intercommunication that activity stopper (33) are close to impeller (5), the inner wall junction sealing connection of activity stopper (33) and injection piece (3).

5. The single use high pressure contrast injector of claim 2, wherein: the inner wall of the fixed placing piece (22) is movably connected with the outer wall of the injection piece (3), and the rotating piece (2) is movably connected with the injection piece (3) through the fixed placing piece (22).

6. The single use high pressure contrast injector of claim 1, wherein: one end of the pusher (5) close to the injection piece (3) is provided with a plunger (51), the outer wall of the plunger (51) is movably connected with the inside of the pusher (5), and the length of the plunger (51) is greater than that of the storage cavity (34).