CN111202884A

CN111202884A - Radiopharmaceutical injection device for nuclear medicine science

Info

Publication number: CN111202884A
Application number: CN202010145547.6A
Authority: CN
Inventors: 宋艳慧; 张广庆; 徐毅君; 张红妹; 颜廷花; 闫慧
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2020-03-05
Filing date: 2020-03-05
Publication date: 2020-05-29

Abstract

The invention discloses a radiopharmaceutical injection device for nuclear medicine, which belongs to the technical field of medical treatment and comprises an injection tube, wherein a piston plate is arranged on the inner wall of the injection tube, the left side surface of the piston plate is fixedly connected with the right end of a pull rod, the injection tube is communicated with a needle head, and a bearing is arranged on the right side surface of the injection tube. This radiopharmaceutical injection device for nuclear medicine branch of academic or vocational study, through the swivel sleeve, a bearing, remove the cover, the external screw thread, mutually support between internal thread and the rubber pad, it can control to remove cover and rubber pad and shelter from the syringe needle right to rotate the swivel sleeve, when needs use this device to inject, directly rotate the swivel sleeve and drive and remove cover and rubber pad and remove to suitable position, remove cover and rubber pad and can prevent that the syringe needle from appearing rocking or slope at will when the patient is internal, can play better guard action to the syringe needle to a certain extent, can guarantee the smooth stability of injection process simultaneously and go on.

Description

Radiopharmaceutical injection device for nuclear medicine science

Technical Field

The invention belongs to the technical field of medical treatment, and particularly relates to a radiopharmaceutical injection device for nuclear medicine.

Background

The injector is used for injecting medicine into a patient body in the prior nuclear medicine, but in the process of operating the injection device, a worker can cause the needle to penetrate through a blood vessel due to the fact that the hand shakes or inclines for a long time, and meanwhile, when the injection device is dropped on the ground carelessly, the needle can be bent and damaged, so that the smooth and normal operation of the injection process is influenced.

Disclosure of Invention

Technical problem to be solved

In order to overcome the defects in the prior art, the invention provides a radiopharmaceutical injection device for the nuclear medicine department, which solves the problems that the needle head of the existing injection device is inclined or shaken during the injection process to hurt a patient, and the needle head is bent and damaged when the injection device falls to the ground to influence the normal use of the injection device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a radiopharmaceutical injection device for nuclear medicine branch of academic or vocational study, includes the injection tube, the injection tube inner wall is provided with the piston board, the left surface of piston board and the right-hand member fixed connection of pull rod, the injection tube is linked together with the syringe needle, the right flank of injection tube is provided with the bearing.

The novel syringe is characterized in that a rotary sleeve is arranged in the bearing, an internal thread is formed in the inner wall of the rotary sleeve, the internal thread is in threaded connection with an external thread, the external thread is formed in the outer surface of the movable sleeve, and the movable sleeve is arranged on the outer side of the syringe needle.

The right side of the movable sleeve is fixedly connected with the left side of the connecting plate, and the right side of the connecting plate is provided with a rubber pad.

As a further scheme of the invention: the right side face of the rubber pad and the right side face of the connecting plate are both provided with connecting holes, the right end of the needle head penetrates through the connecting holes, and the size and the position of the two connecting holes correspond to each other.

As a further scheme of the invention: the left side of connecting plate and the right-hand member fixed connection of two telescopic links, the left end of telescopic link and the right flank fixed connection of injection tube.

As a further scheme of the invention: the surface of injection tube is provided with the protective sheath, the front of injection tube is provided with the scale, the left end of pull rod is provided with the push pedal.

As a further scheme of the invention: the outer surface of the piston plate is provided with a sealing gasket, and the outer surface of the rotating sleeve is provided with an anti-skidding sleeve.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

1. this radiopharmaceutical injection device for nuclear medicine branch of academic or vocational study, through the swivel sleeve, a bearing, remove the cover, the external screw thread, mutually support between internal thread and the rubber pad, it can control to remove cover and rubber pad and shelter from the syringe needle right to rotate the swivel sleeve, when needs use this device to inject, directly rotate the swivel sleeve and drive and remove cover and rubber pad and remove to suitable position, remove cover and rubber pad and can prevent that the syringe needle from appearing rocking or slope at will when the patient is internal, can play better guard action to the syringe needle to a certain extent, can guarantee the smooth stability of injection process simultaneously and go on.

2. This radiopharmaceutical injection device for nuclear medicine branch of academic or vocational study through setting up the telescopic link, can guarantee that the connecting plate can not appear rotatoryly with removing the cover, guarantees to remove and remove the realization that cover and rubber pad can be stable smoothly and controls.

3. This radiopharmaceutical injection device for nuclear medicine branch of academic or vocational study through setting up the swivel sleeve, can adjust the position of rubber pad through rotating the swivel sleeve, is convenient for adjust the relative distance between rubber pad and the syringe needle according to patient's blood vessel distance under the skin.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of part A of the present invention;

in the figure: the device comprises a syringe 1, a piston plate 2, a pull rod 3, a push plate 4, a protective sleeve 5, a needle 6, a bearing 7, a rotating sleeve 8, an anti-skid sleeve 9, an internal thread 10, an external thread 11, a moving sleeve 12, a connecting plate 13, a rubber pad 14, a connecting hole 15, a telescopic rod 16 and a scale 17.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a nuclear medicine branch of academic or vocational study is with radiopharmaceutical injection device, including injection tube 1, the surface of injection tube 1 is provided with protective sheath 5, the front of injection tube 1 is provided with scale 17, the left end of pull rod 3 is provided with push pedal 4, through setting up scale 17, make things convenient for the staff to the accurate control of medicament injection volume, 1 inner wall of injection tube is provided with piston plate 2, the surface of piston plate 2 is provided with sealed the pad, the surface of swivel housing 8 is provided with antiskid cover 9, through setting up antiskid cover 9, can prevent that the staff from controlling 8 rotations in-process and slide at will appear, the left surface of piston plate 2 and the right-hand member fixed connection of pull rod 3, injection tube 1 is linked together with syringe needle 6, the right flank of injection tube 1 is.

Be provided with swivel nut 8 in the bearing 7, through setting up bearing 7, be convenient for swivel nut 8 to stabilize smooth rotation, internal thread 10 has been seted up to swivel nut 8 inner wall,

internal thread

10 and 11 threaded connection of external screw thread, external screw thread 11 is seted up at the surface that removes cover 12, through setting up swivel nut 8, internal thread 10, external screw thread 11 and removal cover 12, rotate through control swivel nut 8, swivel nut 8 can control removal cover 12 through the screw action and remove about, can realize the regulation of 14 positions of rubber pad, removal cover 12 sets up in the 6 outsides of syringe needle.

The right side surface of the movable sleeve 12 is fixedly connected with the left side surface of the connecting plate 13, the connecting plate 13 is arranged, the rubber pad 14 is prevented from generating huge deformation easily, the rubber pad 14 can play a stable protection role on the needle 6, the left side surface of the connecting plate 13 is fixedly connected with the right ends of the two telescopic rods 16, the left end of the telescopic rod 16 is fixedly connected with the right side surface of the injection tube 1, the telescopic rods 16 are arranged, the connecting plate 13 and the movable sleeve 12 can be prevented from rotating, the movable sleeve 12 and the rubber pad 14 can be smoothly and stably moved to the left and right, the rubber pad 14 is arranged on the right side surface of the connecting plate 13, the rubber pad 14 and the right side surface of the connecting plate 13 are both provided with connecting holes 15, the right end of the needle 6 penetrates through the connecting holes 15, the sizes and the positions of the two connecting holes, the rubber pad 14 will contact with the skin of the patient, ensuring a comfortable tactile sensation during the injection of the medicament by the patient.

The working principle of the invention is as follows:

s1, when the device is needed to be used for medicine injection, the rotating sleeve 8 is directly rotated through the anti-slip sleeve 9, at the moment, the rotating sleeve 8 drives the moving sleeve 12 to move leftwards through the screw thread effect, and when the rubber pad 14 moves to a proper position;

s2, inserting the device into patient for injecting medicine, and controlling the rubber pad 14 to contact with patient skin;

and S3, rotating the rotating sleeve 8 to control the moving sleeve 12 and the rubber pad 14 to move rightwards, and stopping rotating the rotating sleeve 8 when the needle 6 is positioned in the moving sleeve 12.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A radiopharmaceutical injection apparatus for nuclear medicine, comprising an injection cartridge (1), characterized in that: a piston plate (2) is arranged on the inner wall of the injection tube (1), the left side surface of the piston plate (2) is fixedly connected with the right end of the pull rod (3), the injection tube (1) is communicated with a needle head (6), and a bearing (7) is arranged on the right side surface of the injection tube (1);

a rotary sleeve (8) is arranged in the bearing (7), an internal thread (10) is formed in the inner wall of the rotary sleeve (8), the internal thread (10) is in threaded connection with an external thread (11), the external thread (11) is formed in the outer surface of a movable sleeve (12), and the movable sleeve (12) is arranged on the outer side of the needle head (6);

the right side face of the movable sleeve (12) is fixedly connected with the left side face of the connecting plate (13), and a rubber pad (14) is arranged on the right side face of the connecting plate (13).

2. A radiopharmaceutical injection apparatus for nuclear medicine as set forth in claim 1, wherein: connecting holes (15) are formed in the right side faces of the rubber pad (14) and the connecting plate (13), the right end of the needle head (6) penetrates through the connecting holes (15), and the size and the position of each connecting hole (15) correspond to each other.

3. A radiopharmaceutical injection apparatus for nuclear medicine as set forth in claim 1, wherein: the left side face of the connecting plate (13) is fixedly connected with the right ends of the two telescopic rods (16), and the left end of each telescopic rod (16) is fixedly connected with the right side face of the injection tube (1).

4. A radiopharmaceutical injection apparatus for nuclear medicine as set forth in claim 1, wherein: the surface of injection tube (1) is provided with protective sheath (5), the front of injection tube (1) is provided with scale (17), the left end of pull rod (3) is provided with push pedal (4).

5. A radiopharmaceutical injection apparatus for nuclear medicine as set forth in claim 1, wherein: the outer surface of the piston plate (2) is provided with a sealing gasket, and the outer surface of the rotating sleeve (8) is provided with an anti-skidding sleeve (9).