CN214807463U

CN214807463U - Nuclide injector

Info

Publication number: CN214807463U
Application number: CN202120197256.1U
Authority: CN
Inventors: 李嘉; 张向群; 章素丹
Original assignee: TCM-INTEGRATED HOSPITAL OF SOUTHERN MEDICAL UNIVERSITY
Current assignee: TCM-INTEGRATED HOSPITAL OF SOUTHERN MEDICAL UNIVERSITY
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-23
Anticipated expiration: 2031-01-25

Abstract

The utility model discloses a nuclide injector, which comprises a sleeve; a normal saline injection device and a nuclide injection device are arranged in the sleeve side by side, and the injection end and the push rod end of the normal saline injection device and the nuclide injection device extend out of the sleeve; and a tee joint component is arranged on the sleeve and positioned on the outer wall of one end of the injection ends of the physiological saline injection device and the nuclide injection device, the tee joint component is communicated with the injection ends of the physiological saline injection device and the nuclide injection device, and an injection needle is detachably arranged on the tee joint component. The utility model has the advantages of convenient operation, shortened medicine pushing time and reduced radioactive nuclide radiation medical staff.

Description

Nuclide injector

Technical Field

The utility model relates to the technical field of medical treatment, more specifically say, in particular to nuclide syringe.

Background

In medical imaging, in order to accurately display physiological metabolism conditions and anatomical structures of organs of a human body, a trace amount of single photon tracers are injected into the human body through a SPECT-CT technology, a special Single Photon Emission Computed Tomography (SPECT) scanner is used for scanning distribution conditions of the single photon nuclides in organs of the whole body of the human body, and accurate positioning is carried out by combining CT; or, injecting a trace amount of positron tracer into a human body by a PET-CT technology, detecting the distribution condition of the positron nuclides in the viscera of the whole body of the human body by an external detector (PET), and accurately positioning by combining CT; accurate diagnosis information is provided for clinic, and the method is a perfect combination of functional imaging and anatomical imaging.

At present, when a patient is subjected to SPECT-CT or PET-CT examination, physiological saline and radionuclide are required to be injected into the body, for example, when the SPECT-CT examination is carried out, the physiological saline and the single photon tracer radionuclide are injected to combine a Single Photon Emission Computed Tomography (SPECT) and CT device so as to realize the accurate examination of the SPECT-CT; for example, in the case of a PET-CT examination, a precise examination of PET-CT is carried out by injecting physiological saline and a positron tracer radionuclide in combination with an external detector (PET) and a CT apparatus. However, in the process of injecting the existing radionuclide, the patient is firstly punctured and injected with the physiological saline by the physiological saline injector and then the physiological saline injector is pulled out, then the patient is punctured and injected with the radionuclide by the radionuclide injector again, the whole puncturing and injecting process is manually operated by medical staff, the medicine pushing time is prolonged by puncturing for many times, the phenomenon of unsuccessful puncturing for many times often occurs during operation, the radiation of the radionuclide to the medical staff is increased, and the actual application requirements are difficult to meet.

Therefore, there is a need to find a new nuclide injection technique to overcome the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nuclide injector which is convenient to operate and can shorten the medicine pushing time and reduce the radiation of the radionuclide to medical staff.

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

a nuclide injector comprising a sleeve; a normal saline injection device and a nuclide injection device are arranged in the sleeve side by side, and the injection end and the push rod end of the normal saline injection device and the nuclide injection device extend out of the sleeve; and a tee joint component is arranged on the sleeve and positioned on the outer wall of one end of the injection ends of the physiological saline injection device and the nuclide injection device, the tee joint component is communicated with the injection ends of the physiological saline injection device and the nuclide injection device, and an injection needle is detachably arranged on the tee joint component.

Preferably, the three-way assembly comprises a shell with an internal cavity, a first inlet and a second inlet are arranged at the bottom of the shell side by side, an outlet pipe communicated with the shell is arranged at the top of the shell, a push rod capable of moving left and right is further arranged in the shell, two ends of the push rod extend out of the shell, and a blocking block used for blocking the first inlet or the second inlet is arranged on the push rod and positioned in the shell; the push rod is provided with a first sealing groove, a second sealing groove, a third sealing groove and a fourth sealing groove on the inner side wall and the outer side wall of the two ends connected with the push rod respectively, the tops of the two ends of the push rod are provided with a first sealing groove block and a second sealing groove block which are respectively matched with the second sealing groove and the fourth sealing groove in a sealing way, and the push rod is also provided with a third sealing groove block and a fourth sealing groove block which are respectively matched with the first sealing groove and the third sealing groove in a sealing way; the three-way component is respectively communicated with the injection ends of the physiological saline injection device and the nuclide injection device through the first inlet and the second inlet, and is detachably connected with the injection needle through the outlet pipe.

Preferably, the distance between the first seal groove block and the second seal groove, the distance between the fourth seal groove block and the third seal groove, and the distance between the blocking block and the second inlet are the same; the distance between the third seal groove block and the first seal groove, the distance between the second seal groove block and the fourth seal groove, and the distance between the blocking block and the first inlet are consistent.

Preferably, the two ends of the push rod are both sleeved with a telescopic sleeve, one end of the telescopic sleeve extends out of the outside of the push rod, the end of the telescopic sleeve is closed, and the other end of the telescopic sleeve is connected with the shell in a sealing mode.

Preferably, the physiological saline injection device and the nuclide injection device are medical injectors.

Preferably, the sleeve is made of a lead material.

Compared with the prior art, the utility model discloses the beneficial effect who has as follows:

the utility model is provided with a normal saline injection device and a nuclide injection device in the sleeve, a three-way component is arranged on the sleeve and positioned on the outer wall of one end of the injection end of the normal saline injection device and the nuclide injection device, the injection ends of the normal saline injection device and the nuclide injection device are both communicated with the three-way component, and the three-way component is detachably provided with an injection needle head; the utility model adopts the structure, the pushing rod of the three-way component is pushed to drive the plugging block to move to the top of the second inlet to plug the second inlet, so as to plug the injection end of the nuclide injection device, at the moment, the injection end of the normal saline injection device is communicated with the three-way component and the injection needle head in sequence, and the patient is punctured and injected with the normal saline through the injection needle head; after the normal saline injection is accomplished, promote three way component's catch bar again and drive the shutoff piece and remove the top shutoff of first import and plug up first import to the injection end of shutoff normal saline injection device, at this moment, nuclide injection device's injection end and three way component, syringe needle communicate in proper order, through nuclide injection device to the patient inject nuclide can, the utility model discloses at the in-process that uses, only need once successfully puncture can accomplish the injection of normal saline and nuclide, convenient operation has reduced the number of times of puncture, not only can shorten the time of pushing away the powder, can reduce radionuclide radiation medical staff moreover.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a nuclide injector according to the present invention when injecting saline;

fig. 2 is a schematic structural diagram of a nuclide injector according to the present invention for injecting nuclides;

fig. 3 is a schematic structural diagram of a three-way assembly of a nuclide injector according to the present invention.

Description of reference numerals: 1. the device comprises a sleeve, 2, a physiological saline injection device, 3, a nuclide injection device, 4, a three-way component, 5, an injection needle, 41, a shell, 42, a first inlet, 43, a second inlet, 44, an outlet pipe, 45, a push rod, 46, a blocking block, 100, a first sealing groove, 200, a second sealing groove, 300, a third sealing groove, 400, a fourth sealing groove, 500, a first sealing groove block, 600, a second sealing groove block, 700, a third sealing groove block, 800, a fourth sealing groove block, 6 and a telescopic sleeve.

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.

Referring to fig. 1 to 3, a nuclide injector includes a sleeve 1; a physiological saline injection device 2 and a nuclide injection device 3 are arranged in the sleeve 1 in parallel, and the injection ends and the push rod ends of the physiological saline injection device 2 and the nuclide injection device 3 extend out of the sleeve 1; a tee joint component 4 is arranged on the sleeve 1 and positioned on the outer wall of one end of the injection end of the physiological saline injection device 2 and the nuclide injection device 3, the tee joint component 4 is communicated with the injection end of the physiological saline injection device 2 and the nuclide injection device 3, and an injection needle head 5 is detachably arranged on the tee joint component 4.

The three-way assembly 4 comprises a shell 41 with an internal cavity, a first inlet 42 and a second inlet 43 are arranged at the bottom of the shell 41 side by side, an outlet pipe 44 communicated with the shell 41 is arranged at the top of the shell 41, a push rod 45 capable of moving left and right is arranged in the shell 41, two ends of the push rod 45 extend out of the shell 41, and a blocking block 46 for blocking the first inlet 42 or the second inlet 43 is arranged on the push rod 45 and positioned in the shell 41; the push rod type sealing device is characterized in that a first sealing groove 100, a second sealing groove 200, a third sealing groove 300 and a fourth sealing groove 400 are respectively arranged on the inner side wall and the outer side wall of the two ends of the shell 41, which are connected with the push rod 45, the top of the two ends of the push rod 45 is provided with a first sealing groove block 500 and a second sealing groove block 600 which are respectively matched with the second sealing groove 200 and the fourth sealing groove 400 in a sealing way, and a third sealing groove block 700 and a fourth sealing groove block 800 which are respectively matched with the first sealing groove 100 and the third sealing groove 300 in a sealing way are also arranged on the push rod 45 and in the shell 41; the three-way component 4 is respectively communicated with the injection ends of the saline injection device 2 and the nuclide injection device 3 through the first inlet 42 and the second inlet 43, and the three-way component 4 is detachably connected with the injection needle 5 through the outlet tube 44.

The distance between the first seal groove block 500 and the second seal groove 200, the distance between the fourth seal groove block 800 and the third seal groove 300, and the distance between the block 46 and the second inlet 43 are the same; the distance between the third seal groove block 700 and the first seal groove 100, the distance between the second seal groove block 600 and the fourth seal groove 400, and the distance between the block 46 and the first inlet 42 are the same.

The two ends of the push rod 45 are both sleeved with telescopic sleeves 6, one end of each telescopic sleeve 6 extends out of the outside of the push rod 45, the end of each telescopic sleeve is closed, and the other end of each telescopic sleeve 6 is connected with the shell 41 in a sealing mode.

The normal saline injection device 2 and the nuclide injection device 3 are medical injectors.

The sleeve 1 is made of a lead material.

When the embodiment is used specifically, firstly, the pushing rod 45 of the three-way component 4 is pushed to move rightwards, the blocking block 46 is driven by the pushing rod 45 to move rightwards until the top of the second inlet 43 blocks the second inlet 43, and meanwhile, the pushing rod 45 is fixed on the shell 41 through the mutual sealing fit of the first slot sealing block 500 and the second sealing groove 200, the mutual sealing fit of the fourth slot sealing block 800 and the third sealing groove 300, so as to block the injection end of the nuclide injection device 3, and at this time, the injection end of the normal saline injection device 2 is sequentially communicated with the first inlet 42, the shell 41, the outlet pipe 44 and the injection needle 5; secondly, the patient is punctured by the injection needle 5, and after the puncture is successful, the normal saline is injected into the patient through the first inlet 42, the shell 41, the outlet pipe 44 and the injection needle 5 in sequence by the normal saline injection device 2; then, after the injection of the normal saline is completed, the pushing rod 45 is pushed to move leftwards, the blocking block 46 is driven by the pushing rod 45 to move leftwards to the top of the first inlet 42 to block the first inlet 42, meanwhile, the pushing rod 45 is fixed on the shell 41 through the mutual sealing matching of the second slot sealing block 600 and the fourth sealing groove 400 and the mutual sealing matching of the third slot sealing block 700 and the first sealing groove 100, so that the injection end of the normal saline injection device 2 is blocked, and at the moment, the injection end of the nuclide injection device 3 is sequentially communicated with the second inlet 43, the shell 41, the outlet pipe 44 and the injection needle 5; finally, the nuclide is injected into the patient through the nuclide injection device 3 sequentially through the second inlet 43, the shell 41, the outlet pipe 44 and the injection needle 5; additionally, the utility model discloses still keep apart catch bar 45 and external environment through flexible cover 6, thereby ensure the utility model discloses the health and safety of injection medicine.

In a word, the utility model adopts the above structure, have convenient operation, can shorten the time of pushing away the medicine and reduce radionuclide and radiate medical staff's advantage.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A nuclide injector comprising a sleeve (1); the method is characterized in that: a physiological saline injection device (2) and a nuclide injection device (3) are arranged in the sleeve (1) in parallel, and the injection end and the push rod end of the physiological saline injection device (2) and the nuclide injection device (3) all extend out of the sleeve (1); the sleeve (1) is provided with a tee joint component (4) on the outer wall of one end of the injection end of the physiological saline injection device (2) and the nuclide injection device (3), the tee joint component (4) is communicated with the injection end of the physiological saline injection device (2) and the nuclide injection device (3), and the tee joint component (4) is detachably provided with an injection needle (5).

2. A nuclide injector as in claim 1, wherein: the three-way assembly (4) comprises a shell (41) with an internal cavity, a first inlet (42) and a second inlet (43) are arranged at the bottom of the shell (41) side by side, an outlet pipe (44) communicated with the shell (41) is arranged at the top of the shell (41), a push rod (45) capable of moving left and right is further arranged in the shell (41), two ends of the push rod (45) extend out of the shell (41), and a blocking block (46) used for blocking the first inlet (42) or the second inlet (43) is arranged on the push rod (45) and positioned in the shell (41); the push rod type sealing device is characterized by further comprising a first sealing groove (100), a second sealing groove (200), a third sealing groove (300) and a fourth sealing groove (400) which are respectively arranged on the shell (41) and positioned on the inner side wall and the outer side wall of the two ends connected with the push rod (45), a first sealing groove block (500) and a second sealing groove block (600) which are respectively in sealing fit with the second sealing groove (200) and the fourth sealing groove (400) are arranged on the top of the two ends of the push rod (45), and a third sealing groove block (700) and a fourth sealing groove block (800) which are respectively in sealing fit with the first sealing groove (100) and the third sealing groove (300) are arranged on the push rod (45) and positioned in the shell (41); the three-way component (4) is respectively communicated with the injection ends of the physiological saline injection device (2) and the nuclide injection device (3) through the first inlet (42) and the second inlet (43), and the three-way component (4) is detachably connected with the injection needle (5) through the outlet pipe (44).

3. A nuclide injector as in claim 2, wherein: the distance between the first seal groove block (500) and the second seal groove (200), the distance between the fourth seal groove block (800) and the third seal groove (300), and the distance between the blocking block (46) and the second inlet (43) are the same; the distance between the third seal groove block (700) and the first seal groove (100), the distance between the second seal groove block (600) and the fourth seal groove (400), and the distance between the blocking block (46) and the first inlet (42) are the same.

4. A nuclide injector as in claim 2, wherein: the both ends of catch bar (45) all are equipped with telescope tube (6), and, the one end of telescope tube (6) is stretched out the outside and this end of catch bar (45) are sealed, the other end of telescope tube (6) with casing (41) sealing connection.

5. A nuclide injector as in claim 2, wherein: the normal saline injection device (2) and the nuclide injection device (3) are medical injectors.

6. A nuclide injector as claimed in any one of claims 1 to 5, wherein: the sleeve (1) is made of lead material.