KR101138824B1 - Radioisotope distribution apparatus - Google Patents

Abstract

The present invention relates to a radioisotope distribution device. Radioisotope distribution device according to the present invention comprises a main container for storing the radioisotope; A pump for sending radioactive isotopes out of the main container; A plurality of dispensing syringes having a cylinder and a piston for placing a gasket on one side; A connecting tube connecting the main container and the plurality of dispensing syringes; A dispensing syringe automatic fixing device for adjusting and fixing the pistons of the dispensing syringes respectively; And calculating the amount of use of the radioactive isotope allocated to each of the dispenser syringes, and controlling the dispenser automatic fixing device to adjust the piston of each dispenser in accordance with the use amount of radioisotope calculated for each dispenser. And driving the pump to send out radioactive isotopes stored in the main container by the sum of the calculated amounts of use, and injecting radioisotopes corresponding to the calculated amounts of use into each of the dispenser syringes; It is provided.
The radioisotope dispensing apparatus according to the present invention uses a dispenser automatic fixing device having a plurality of dispensing syringe controls, thereby distributing radioisotopes to a plurality of dispensing syringes at once, and according to different amounts of use. Radioisotopes can be distributed independently from the dispenser to improve work efficiency.

Description

Radioisotope distribution apparatus

The present invention relates to a radioisotope dispensing apparatus, and more particularly, to a radioisotope dispensing apparatus capable of automatically and semi-automatically dispensing a radioactive isotope into a container precisely in a required amount, thereby minimizing a worker's radioactive exposure. will be.

Radiopharmaceuticals refer to radioactive substances such as radioisotopes and their labeled compounds which are administered directly to the human body for the purpose of diagnosis, treatment and medical research, or used in samples such as blood taken from the human body. More than 80 species of radiopharmaceuticals are currently used for medical diagnosis and research, and about 30 kinds of medicines are produced in Korea.

In general, radiopharmaceuticals mainly use short-lived nuclides in order to minimize adverse effects on the human body, which means that radioactive materials contained in vials or syringes cannot be stored for a long time. This is because the amount of radioactivity contained in the radioactive material contained in the vial or syringe decreases rapidly over time according to its inherent half-life, making the radioactive material unable to function.

Therefore, conventionally, whenever a radioactive material is needed, the radioactive material stored in a storage container such as a mother liquor vial is first measured for the amount of radioactivity, and the amount of radioactive material containing the required amount of radioactivity is calculated to calculate the amount. The quantities are transferred to dispensing containers such as dispensing vials or syringes for use or supplied to companies in need of radioactive material.

However, the above-described method has a problem in that the worker has a low stability due to a large number of exposures to the radiation and the amount of exposure. In order to solve this problem, conventionally, a method using a robot arm has been proposed to allow the operator to perform the distribution without actually putting the arm and hand. However, the method of distributing radiopharmaceuticals using a robotic arm requires a large hot cell to operate a job, takes a lot of time to work, and requires a skilled worker.

Summary of the Invention An object of the present invention for solving the above-mentioned problems is to provide a device capable of minimizing the radiation exposure of an operator by dispensing radioactive isotopes automatically or semi-automatically with a pump or syringe operation unit in dispensing radioisotopes. It is to provide.

Another object of the present invention for solving the above problems is to automatically calculate the radiation dose, adjust the position of the plurality of syringe pistons and dispense the radioactive isotope at once according to each amount required, thereby exposing the operator to radiation It is to provide a radioisotope distribution device that can minimize the work time and reduce the working time.

A first aspect of the present invention for achieving the above technical problem is a main container for storing a radioisotope; A pump for sending radioactive isotopes out of the main container; A plurality of dispensing syringes having a cylinder and a piston for placing a gasket on one side; A connecting tube connecting the main container and the plurality of dispensing syringes; A dispensing syringe automatic fixing device for adjusting and fixing the pistons of the dispensing syringes respectively; And calculating the amount of use of the radioactive isotope allocated to each of the dispenser syringes, and controlling the dispenser automatic fixing device to adjust the piston of each dispenser in accordance with the use amount of radioisotope calculated for each dispenser. And driving the pump to send out radioactive isotopes stored in the main container by the sum of the calculated amounts of use, and injecting radioisotopes corresponding to the calculated amounts of use into each of the dispenser syringes; Characterized in having a.

In the radioisotope dispensing apparatus according to the above-mentioned feature, the main container consists of a syringe, and the pump controls the piston of the main syringe so as to correspond to the sum of the calculated amounts of use of the radioisotope. It is preferable to send a.

In the radioisotope dispensing apparatus according to the above-mentioned feature, the main container is arranged to have a groove having a predetermined depth in the center of the inner lower surface, the inner lower surface except the groove is formed to have an inclined slope to the groove It is preferable to characterize.

In the radioisotope dispensing apparatus according to the above features, the main container further comprises a needle disposed to correspond to the groove, the needle has a flat cross section of the lower portion, the lower side of the needle It consists of two holes, it is preferable to inhale the radioactive isotope stored in the main container to be sent to the outside.

In the radioisotope distribution device according to the above-mentioned feature, the main container is stored in a shielding container made of a radioactive shielding material, and the inside of the shielding container is preferably molded so that the main container can be tilted and stored. Do.

In the radioisotope distribution device according to the above-mentioned feature, the radioactive shield is preferably characterized in that it comprises at least one or more of lead, iron, concrete.

According to a second aspect of the present invention for achieving the above technical problem, a main syringe for storing a radioisotope; One side is coupled to the main syringe, the syringe operation unit for transmitting a radioisotope to the outside of the main syringe; A plurality of dispensing syringes having a cylinder and a piston for placing a gasket on one side; A connecting tube connecting the main syringe and the plurality of dispensing syringes; Dispensing syringe automatic fixing device for adjusting and fixing the piston of the dispensing syringe; And calculating the amount of use of the radioactive isotope allocated to each of the dispenser syringes, and controlling the dispenser automatic fixing device to adjust the piston of each dispenser in accordance with the use amount of radioisotope calculated for each dispenser. It characterized in that it comprises a control device.

In the radioisotope dispensing apparatus according to the above-mentioned feature, the syringe operation unit is coupled to the cylinder of the main syringe to fix the cylinder of the main syringe, the inside having a space for moving the piston of the main syringe Syringe coupling; One side is disposed in the main syringe coupling unit is coupled to the piston of the main syringe, the other side having a handle separated from the one by a predetermined length, the piston adjustment unit for adjusting the piston by pushing and pulling the handle ; And a fixed tube having one side fixedly disposed at the main syringe coupling portion and having a portion of the piston adjusting portion disposed therein.

In the radioisotope dispensing apparatus according to the above-mentioned feature, the dispenser automatic fixing device has a plurality of dispenser adjusting units corresponding to each of the dispenser syringes, and the dispenser syringe adjusting unit fixes the cylinder of the dispenser syringe, The inside is a cylinder fixing portion having a space for moving the piston; A piston push rod having one side fixed to the piston of the dispensing syringe to adjust the position of the piston; A step motor controlled by the control device; A gear device including a first gear connected to a step motor and a plurality of second gears engaged with the first gear; A plunger moving screw connected to a final second gear of the gear device and rotating; And a plunger moving fixing nut positioned on the piston rod, located on the other side corresponding to the piston, and engaged by moving through the rotation of the plunger moving screw to move the rod to adjust the amount of radioactive isotope. It is preferable to characterize.

In the radioisotope dispensing apparatus according to the above-mentioned feature, the dispensing syringe adjusting unit further includes a pressure sensor, and when the piston of the dispensing syringe contacts the cylinder, it is preferable to set a reference point by sensing pressure. Do.

In the radioisotope dispensing apparatus according to the above features, the radioisotope dispensing apparatus further comprises a dispenser automatic fixing device moving unit and a dispenser syringe cap fixing unit, and the dispenser automatic fixing device moving unit is inserted into the dispenser syringe. When the injection of the radioisotope is completed, the dispenser syringe stopper is moved so as to correspond to the position of the dispenser stopper stopper, and the dispenser stopper stopper inserts a stopper into each of the inlets of the plurality of dispenser syringes. It is preferable to characterize.

In the radioisotope dispensing apparatus according to the above features, the radioisotope dispensing apparatus further comprises a printer, wherein the printer records and outputs information of the dispensing syringe.

A third object of the present invention for achieving the above-described technical problem is provided with a plurality of dispensing syringe receiving compartment is opened in front, carrier container body having a radiation shielding film is formed between the dispensing syringe receiving compartment; And a carrying container lid disposed on the front of the carrying container body to shield radioactivity of the plurality of dispensers housed in the carrying container body, wherein the carrying container lid is divided into two and left and right along the front side of the carrying container body. Removable to each, characterized in that the transport container body and the transport container lid are all made of a radiation shielding material.

Dispensing syringe shielding transport container according to the above features, the radioactive shield is preferably characterized in that it comprises at least one of lead, iron, concrete.

A fourth object of the present invention for achieving the above-described technical problem is provided with a plurality of dispensing syringe receiving compartment is opened in the front, the carrier container body and the carrying container is formed with a radiation shielding film between the dispensing syringe receiving compartment Dispensing syringe shielded transport container disposed on the front of the body having a transport container lid for shielding the radioactivity of the plurality of distribution syringes accommodated in the container container body; And a radiation measuring sensor disposed on an upper surface of the dispensing syringe shielding container, and operating the lid of the packaging container to independently open each of the dispensing syringes, thereby including a radioactive sensor included in a single dispensing syringe. Characterized in that the radioactive amount of the isotope can be measured.

The radioisotope distribution device according to the present invention automatically dispenses radioactive isotopes from the main container to the dispenser, thereby greatly reducing the number and time of exposure of the worker to radiation, thereby minimizing the risk of exposure. In addition, the radioisotope dispensing apparatus according to the present invention uses a dispenser automatic fixing device having a plurality of dispensing syringe controls, thereby distributing radioisotopes to a plurality of dispensing syringes at once, according to different usage amounts. Radioactive isotopes can be dispensed with each dispenser to increase work efficiency.

In addition, the radioisotope distribution device according to the present invention has a main container having a structure for inhaling radioisotopes as much as possible, thereby increasing the economic efficiency by minimizing the residual amount of radioisotopes, which are expensive and harmful to the human body. It is possible to reduce the radiation exposure by the residual amount to a minimum.

In addition, the radioisotope dispensing apparatus according to the present invention further comprises a printer, which can be directly attached to the information of the radioisotope injected into the plurality of dispensing syringes to be attached to the label for easy identification and easy storage.

In addition, the dispense syringe shielded transport container according to the present invention is provided with a plurality of accommodation compartments and a transport container lid, it is possible to independently store a plurality of dispense syringes for each radioactivity.

In addition, the non-well type radiation dose measuring apparatus according to the present invention by opening only one of the plurality of dispensers, it is possible to measure the radioactive amount of the radioactive isotope included in each dispenser, it is easy to measure, the measurement time Can also be shortened.

Another radioisotope dispensing device according to the present invention is provided with a syringe operation, which allows the operator to work away from the radiation to minimize the risk of radiation exposure.

In addition, another radioisotope dispensing apparatus according to the present invention enables semi-automatic dispensing by injecting by the sum of the amounts of a plurality of dispensing syringes using a syringe operation unit instead of a pump.

1 is a structural diagram of a radioisotope distribution device according to a first embodiment of the present invention.
2 is a view showing a main container having an inner groove according to the first embodiment of the present invention.
Figure 3 is a perspective view showing a shielded container that can be stored in a three-dimensional structure capable of sucking the maximum liquid radioisotope by tilting the main container according to the first embodiment of the present invention.
4 is a structural diagram schematically showing a dispenser automatic fixing device according to a first embodiment of the present invention.
FIG. 5 is a perspective view of a dispenser shield carrying container for storing a plurality of dispensers in which a radioisotope is distributed using a radioactive dispenser according to a first embodiment of the present invention. FIG.
6 is a view schematically showing a non-well type radiation amount measuring device according to a first embodiment of the present invention.
7 is a view schematically showing a radioisotope distribution device according to a second embodiment of the present invention.
8 is a view schematically showing a syringe operation unit of a radioisotope according to a second embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the structure and operation principle of the radioisotope distribution device according to a preferred embodiment of the present invention.

First Example

1 is a structural diagram of a radioisotope distribution device according to a first embodiment of the present invention. 1, the radioisotope dispensing apparatus 10 according to the first embodiment of the present invention is the main container 100, the pump 110, the dispensing syringe 120, the connecting tube 130, automatic dispensing syringe The fixing device 140 and the control device 150 may be provided, and the dispenser automatic fixing device moving unit 160, the dispenser syringe cap fixing unit 170, and the printer 180 may be further provided.

Hereinafter, the main container 100 will be described in detail. The main container 100 is a container for storing a large amount of radioactive isotopes so as to distribute the radioisotopes. In FIG. 1, the main syringe is illustrated as an example. The main syringe consists of a cylinder and a piston, and by adjusting the position of the piston, the radioactive isotope stored in the cylinder is discharged to the outside by hydraulic pressure.

On the other hand, when the main container is composed of a common container instead of a syringe, by using the main container having a characteristic that the minimum amount of radioactive isotope, by using the radioisotope as possible, the remaining amount of the radioisotope The radiation exposure by can be minimized. 2 is a view showing a main container having an inner groove according to the first embodiment of the present invention. Referring to FIG. 2, the main container has a groove having a predetermined depth at the center of the inner lower surface, and the inner lower surface except the groove is formed to have a slope inclined toward the groove. The main container 100 accumulates in the groove along the inclination of the radioisotope to the groove 105, so that the remaining amount of the radioisotope is minimized when the radioisotope is sucked out and sent out .

In addition, the main container having the above-described configuration may further include a needle 108 to inhale the maximum amount of the radioactive isotope. The needle is disposed to correspond to the groove 105, the cross section of the lower portion is flat, the lower side of the needle is composed of a plurality of holes 109, the outside to inhale the radioactive isotope stored in the main container It has the characteristic to send out. The needle may inhale the radioisotope as much as possible through the plurality of holes 109 disposed on the lower side thereof, thereby minimizing the remaining amount of the radioisotope in the main container. Therefore, the main container having the above characteristics is expensive, and by minimizing the residual amount of radioactive isotopes which are harmful to the human body, not only can the economic efficiency be maximized, but also the radioactivity emitted by the residual amount is minimized. Exposure can be prevented as much as possible. The main container having the above-mentioned characteristics can be used for radioactive isotopes as well as expensive liquids or substances harmful to humans.

On the other hand, the main container using a common container, can be stored and used in a shielding container made of a radioactive shielding material. Figure 3 is a perspective view showing a shielded container that can be stored in a three-dimensional structure capable of sucking the maximum liquid radioisotope by tilting the main container according to the first embodiment of the present invention. Referring to FIG. 3, the inside of the shielding container 300 is molded so that the main container is tilted and stored, so that the main container inclined according to the mold of the shielding container 300 is inclined on one side of the main container. Residue of the radioisotope accumulates via 310. Therefore, using the main container stored in the shielding container has the same effect as the main container having the inner groove described above. The radioactive shield includes at least one or more of lead, iron, and concrete.

Hereinafter, the pump 110 will be described in detail. The pump 110 adjusts the flow rate of the radioisotope and sends it out of the main container 100. When the main container is a main syringe, the pump controls the piston of the main syringe to adjust the flow rate of the radioisotope, and is sent out. On the other hand, if the main container is a general container, the amount of radioactive isotope is inhaled, and sent out to the outside through the injection needle provided in the main container.

On the other hand, the radioisotope dispensing apparatus 10 according to the first embodiment of the present invention includes a plurality of dispensing syringes 120. The plurality of dispensing syringes 120 includes a cylinder and a piston for arranging a gasket on one side, and by dividing the radioisotope emitted from the main container by adjusting the position of the piston, the plurality of dispensers 120 may be divided and stored.

The connecting tube 130 connects the main container and a plurality of dispense syringes. The radioisotope sent out from the main container is moved to the plurality of dispensing syringes through the connecting pipe 130.

The automatic dispenser fixing device 140 adjusts the pistons of the plurality of dispense syringes so that the plurality of dispense syringes correspond to their respective amounts of use, and then fixes the pistons. The dispenser automatic fixing device 140 will be described in detail below.

The control device 150 calculates the amount of use of the radioactive isotope allocated to each value of the dispenser syringes, and controls the dispenser auto-fixing device, according to the amount of use of the radioisotope calculated for each dispenser. The piston of the dispenser is adjusted, and the pump is driven to deliver the radioactive isotopes stored in the main container by the sum of the calculated amounts of use, thereby injecting radioactive isotopes corresponding to the amount of use into each of the dispensers. . The amount of use can be obtained by calculating the mass and radioactivity of the radioisotope stored in the main container, the half-life of the nuclide used in the radioisotope, and calculating the desired amount of radioactivity at each injection time. have.

Meanwhile, the radioisotope dispensing apparatus according to the first embodiment of the present invention may further include a dispensing syringe fixing device moving unit 160 and a dispensing syringe cap fixing unit 170. The dispenser fixing device moving unit 160 moves the dispenser automatic fixing device so as to correspond to the position of the dispenser syringe cap fixing unit 170 when the injection of the radioisotope is completed. The dispensing syringe cap fixing unit 170 is inserted and fixed to each of the inlets of the plurality of dispensing syringes.

On the other hand, the radioisotope dispensing device may further include a printer (180). The printer 180 records and outputs information of the dispenser, that is, information about the time of injection, storage period, radiation amount, and the like. The output is output using a material attachable to the dispenser, and is stored as a label on each of the plurality of dispenser.

The radioisotope dispensing apparatus 10 according to the first embodiment of the present invention having the above-described configuration calculates the radioisotopes stored in the main container according to the amount of use, and automatically dispenses them into a plurality of dispensing syringes. Hereinafter, the operation principle of the radioisotope distribution device according to the first embodiment of the present invention will be described in detail.

Measuring the mass and radioactivity of the radioisotope stored in the main container and entering the control device 150 together with the half-life of the radionuclide of the radioisotope stored in the main container and the radioactivity required for the radioisotope procedure, the control device Using the information, 150 calculates the amount of use so that the required amount of radioactivity during the procedure. The required amount of radioactivity may be a plurality, and the control device 150 calculates a plurality of used amounts corresponding to each required amount of radioactivity.

Next, the control device 150 drives a pump, which pumps the radioisotope stored in the main container to the outside by the sum of the calculated amounts of use. The radioisotope sent is moved to a plurality of dispense syringes along the connector (130).

At this time, the plurality of dispensing syringe is in a state in which the piston is adjusted and fixed so as to correspond to the respective amount of use required by the control device. The control device 150 drives the pump and at the same time controls the automatic dispenser of the dispenser so that the plurality of dispensers correspond to the respective amounts of use, so that the dispenser auto-fixer is arranged in the plurality of dispensers. The piston can be fixed by adjusting the position so as to correspond to the amount of use respectively. Therefore, the radioisotope sent out from the main container is moved to the plurality of dispensing syringes through the connection pipe 130, and is divided and filled according to each use amount.

Next, when the injection of the radioisotope for the plurality of dispensers is completed, the dispenser automatic fixing device moving unit 160 moves the dispenser automatic fixing device to which the plurality of dispenser syringes are fixed. ) To correspond to.

Next, the dispensing syringe cap fixing unit 170 has a plurality of dispensing syringe caps arranged to correspond to the positions of the plurality of dispensing syringes, thereby inserting a stopper into each of the plurality of dispensing syringe inlets, thereby radioactive isotopic Complete the element distribution process.

On the other hand, the printer 180 connected to the control device 150 outputs the information of the radioisotope injected into the plurality of dispensers, respectively, and using the output result as a dispenser label, the plurality of dispensers In storing the syringe, it may be easy to identify.

Hereinafter, the dispenser automatic fixing device 140 according to the first embodiment of the present invention will be described in detail. 4 is a structural diagram schematically showing a dispenser automatic fixing device 140 according to a first embodiment of the present invention. Referring to FIG. 4, the dispenser automatic fixing device 140 includes a plurality of dispenser adjusting units 400 corresponding to the plurality of dispenser syringes, and the dispenser syringe adjusting unit 400 includes a cylinder fixing unit ( 410, the piston rod 420, the step motor 430, the gear device 440, the plunger movement screw 450 and the plunger movement fixing nut 460 is provided.

The cylinder fixing part 410 fixes the cylinder of the dispensing syringe, but has a space in which the piston can move. One side of the piston rod 420 is fixed to the piston of the dispensing syringe to adjust the piston. The step motor 430 is controlled by the control device. The gear device 440 includes a first gear connected to the step motor 430 and a plurality of second gears engaged with the first gear. The plunger moving screw 450 is connected to the final second gear of the gear device 440 to rotate. The final second gear is a second gear that is no longer moved by itself among the plurality of second gears that move in engagement with the rotation of the first gear connected to the step motor 430.

The plunger movement fixing nut 460 is located on the piston rod 420, and is located on the other side corresponding to the piston, and is engaged with the plunger movement screw 450 by rotating to move the piston rod 420. Move to adjust the amount of radioisotope injected into the dispenser.

On the other hand, the dispensing syringe control unit having the above-described configuration is further provided with a pressure sensor, by detecting the pressure when the piston is in contact with the cylinder and set as a reference point, it is possible to accurately adjust the amount of use according to the position of the piston.

Hereinafter, a storage container for storing a dispensing syringe receiving a radioactive isotope using a radioactive dispensing apparatus according to a first embodiment of the present invention and a measuring apparatus for measuring the amount of radioactivity of the dispensing syringe will be described in detail. Using a first embodiment according to the present invention, a plurality of dispensing syringes in which radioisotopes are distributed are produced at a time. Therefore, a storage container capable of storing a plurality of dispensing syringes at a time is required.

FIG. 5 is a perspective view of a dispenser shield carrying container for storing a plurality of dispensers in which a radioisotope is distributed using a radioactive dispenser according to a first embodiment of the present invention. FIG. Referring to FIG. 5, the dispense syringe shield carrying container 50 has a carrying container body 500 and a carrying container lid 550.

The container body 500 is provided with a plurality of dispensing syringe housing 505 is opened in the front, the radiation shielding film 510 is formed between the dispensing syringe housing. The dispensing syringe accommodation compartment 505 is secured to the dispensing syringe, it is preferable to be fluidly acceptable even if the position of the piston changes depending on the amount of radioisotope included in the dispense syringe.

The container lid 550 is disposed in front of the container body 500 to shield the radioactivity of the plurality of dispensing syringes accommodated in the container container body. In addition, the handle is provided on the lid of the container to facilitate the opening and closing.

The dispensing syringe shielding transport container provided with the transport container body and the transport container lid is made of a radioactive shielding material, and the radioactive shielding material includes at least one of lead, iron, and concrete.

On the other hand, the dispensing syringe shield container can detect the individual radiation amount of one of the dispensing syringe due to the structural characteristics that can open only one of the plurality of dispensing syringes. Therefore, by placing a radioactivity measuring sensor on the upper surface of the dispenser shield carrier container, and operating the lid of the container container, by using an auxiliary lid to independently open each of the dispenser syringe during measurement, through the radioactivity measurement sensor It is possible to measure the radioactivity of radioisotopes contained in a single dispense syringe. In the present invention, the measuring device having the above-described configuration is defined as a non-well type radiation amount measuring device.

6 is a view schematically showing a non-well type radiation amount measuring device according to a first embodiment of the present invention. Referring to FIG. 6, the non-well type radiation dose measuring device includes a dispenser syringe shield storage container 50, a radiation measuring sensor 600, and an auxiliary lid 650. The non-well type radiation amount measuring device 60 is measured by operating the transport container lid and the auxiliary lid while being stored in a storage container, so that only one dose of a dispenser or a single container is put into the measuring device to measure and remove the radiation amount. It has the advantage of being simpler and shorter in measurement time than the well type radiation dose measuring device.

In the above, the radioactive isotope distribution device according to the first embodiment of the present invention, the distribution syringe shielding container for storing a plurality of distribution syringes resulting from the radioisotope distribution device, and the non-well type radioactive amount measuring device have been described. In the radioisotope dispensing apparatus according to the first embodiment of the present invention having the above-described configuration, the radioisotope is automatically dispensed from the main container to the dispensing syringe, thereby significantly reducing the number and time of exposure of the worker to radiation, Minimize risk. In addition, by using a dispenser automatic fixing device having a plurality of dispenser controls, it is possible to dispense radioisotopes to multiple dispensers at once, and to independently dispense radioisotopes to each dispenser according to different uses. Can be distributed to improve working efficiency.

In addition, the radioisotope distribution device according to the first embodiment of the present invention is provided with a main container having a structure for inhaling radioisotopes as much as possible, thereby minimizing the residual amount of radioactive isotopes, which are expensive and harmful to humans. Economic efficiency can be increased, and the radiation exposure by the residual amount can be reduced to a minimum.

In addition, the radioisotope dispensing apparatus according to the first embodiment of the present invention further includes a printer, so that the information of the radioisotope injected into the plurality of dispensing syringes can be directly outputted as a label and thus easily identified. It is convenient to store.

In addition, the dispenser injection shielding container according to the first embodiment of the present invention is provided with a plurality of accommodation compartments and a container lid, it is possible to independently store a plurality of dispensers for each radioactivity. Therefore, the non-well-type radioactive amount measuring device using the dispenser syringe shielding container is capable of measuring the radioactive amount of the radioactive isotope included in each dispenser syringe by opening only one of the plurality of dispenser syringes. It can be simplified and the measurement time can be shortened.

2nd Example

Hereinafter, with reference to the accompanying drawings will be described in detail the structure of the radioisotope distribution device according to a second embodiment of the present invention. The radioisotope distribution device according to the second embodiment has a structure similar to the radioisotope distribution device according to the first embodiment, except that the radioisotope distribution of the first embodiment automatically distributes the radioisotopes by using a pump. Unlike the device, the radioisotope dispensing device of the second embodiment is characterized in that it is provided with a syringe operation section to distribute radioactive isotopes semi-automatically.

7 is a view schematically showing a radioisotope distribution device according to a second embodiment of the present invention. Referring to FIG. 7, the radioisotope dispensing apparatus according to the second embodiment of the present invention includes a main syringe 700, a syringe operation unit 710, a plurality of dispense syringes 720, a connection pipe 730, and a dispense syringe A fixing device 740 and a control device 750 may be provided, and the dispenser automatic fixing device moving unit 760, the dispenser syringe cap fixing unit 770, and the printer 780 may be further provided. In the radioisotope dispensing apparatus of the second embodiment, the remaining components are the same as those of the first embodiment except for having a syringe operating portion instead of a pump, and thus redundant description is omitted.

The main syringe 700 is composed of a cylinder and a piston, and by adjusting the position of the piston, the radioactive isotope stored in the cylinder by the hydraulic pressure is sent out. One side of the syringe operation unit 710 is coupled to the main syringe 700 to send the radioisotope to the outside of the main syringe.

8 is a view schematically showing a syringe operation unit of a radioisotope according to a second embodiment of the present invention. Referring to FIG. 8, the syringe operation unit 710 includes a main syringe coupling unit 712, a piston control unit 714, and a fixed tube 716.

The main syringe coupling portion 712 is coupled to the cylinder of the main syringe to fix the cylinder, the interior has a space for the piston to move. In order to more stably secure the cylinder, one side of the main syringe coupling part 712 is preferably formed to have a structure surrounding the handle portion located on one side of the cylinder.

The piston adjusting part 714 is disposed on the inside of the main syringe coupling portion 712 is coupled to the piston of the main syringe, and has a handle on the other side separated by a predetermined length from the one side, the handle Adjust the piston by pushing and pulling. The length of the piston adjuster 714 is preferably a length operable at a sufficiently long distance so that the user can minimize the radiation exposure.

The fixed tube 716 is formed in a tube shape in which one side is fixed to the main syringe coupling part 712, and a part of the piston adjusting part 712 is disposed therein. Since the piston adjusting part 712 is disposed inside the fixing tube 716, the length of the fixing tube 716 has a length enough to sufficiently wrap the piston adjusting part 712, and the handle of the piston adjusting part is provided. It should be shorter than the piston adjuster 712 so that it can be exposed to the outside.

Through the piston control unit 714 and the fixed tube 716, the user must adjust the piston of the main syringe, the piston control unit and the fixed tube is made of a material without ductility, which can be modified according to the working environment It is preferably made of a material.

Since the syringe operation unit according to the second embodiment of the present invention having the above-described configuration allows the user to directly adjust the flow rate of the radioisotope of the main syringe, the radioisotope dispensing device used in combination with the remaining components is semi-automatically. Distribute the radioisotope. The syringe operation unit may be used as a replacement immediately when the pump of the automatic radioisotope dispensing device is broken, and may be used when dispensing radioisotopes to the main syringe in a container in which radioactive isotopes are stored in a large amount. .

The radioisotope dispensing apparatus according to the second embodiment of the present invention is provided with a syringe operation unit, so that an operator can work away from radioactivity, thereby minimizing the risk due to radiation exposure.

Although the present invention has been described above with reference to preferred embodiments thereof, this is merely an example and is not intended to limit the present invention, and those skilled in the art do not depart from the essential characteristics of the present invention. It will be appreciated that various modifications and applications which are not illustrated above in the scope are possible. And differences relating to such modifications and applications should be construed as being included in the scope of the invention as defined in the appended claims.

The radioisotope distribution device according to the present invention can be widely applied to all fields using radioisotopes. In particular, in the field of medical treatment of patients using radioisotopes, small amounts of radioisotopes need to be distributed to a plurality of dispensing syringes.

100, 700: Main container
105: home
108: needle
109: multiple holes
110: pump
120, 720: Dispenser
130, 730 connector
140, 740: automatic dispenser
150, 750: controller
160, 760: dispenser automatic fixing device moving part
170, 770: Dispenser cap stopper
180, 780: Printer
300: shielded container
310: one side inclined
410: cylinder fixing portion
420: piston rod
430 step motor
440 gear device
450: Plunger Travel Screw
460: Plunger travel screw fixing nut
50: Dispensing syringe shielding transport container
500: container body
505: accommodation
510: shielding film
550: container lid
600: radioactivity measuring sensor
650: auxiliary lid
710: Syringe Control Panel
712: main syringe coupling unit
714: piston adjustment unit
716: fixed tube

Claims (15)

A main container for storing radioactive isotopes;
A pump for sending radioactive isotopes out of the main container;
A plurality of dispensing syringes having a cylinder and a piston for placing a gasket on one side;
A connecting tube connecting the main container and the plurality of dispensing syringes;
A dispensing syringe automatic fixing device for adjusting and fixing the pistons of the dispensing syringes respectively; And
Calculate the amount of radioactive isotope allocated to each of the dispenser syringes, and control the dispenser automatic fixing device to adjust the piston of each dispenser syringe according to the use amount of radioisotope calculated for each dispenser syringe. And a control device for driving the pump to send out radioactive isotopes stored in the main container by the sum of the calculated amounts of use, and to inject radioisotopes corresponding to the calculated amounts of use into each of the dispenser syringes;
Radioactive isotope distribution device comprising a. The method of claim 1,
The main container consists of a syringe,
The pump is radioactive isotope distribution device characterized in that for outputting the radioactive isotope by adjusting the piston of the main syringe so as to correspond to the sum of the calculated use amount of the radioisotope. The method of claim 1, wherein the main container
Arrange a groove having a certain depth in the center of the inner lower surface,
Radioactive isotope distribution device, characterized in that the inner lower surface except the groove is formed to have a slope inclined to the groove. The method of claim 3, wherein
The main container further includes an injection needle disposed to correspond to the groove,
The needle has a flat cross section at the bottom, and the lower side of the needle is composed of a plurality of holes, through which the radioactive isotope stored in the main container inhaled radioactive, characterized in that sent out Isotope distribution device. The method of claim 1, wherein the main container
Stored in a shielded container made of a radiation shielding material,
The inside of the shielding container is a radioactive isotope distribution device, characterized in that the mold to be stored inclined the main container. The method of claim 5, wherein the radiation shielding material
Radioactive isotope distribution device comprising at least one of lead, iron, concrete. A main syringe for storing radioactive isotopes;
One side is coupled to the main syringe, the syringe operation unit for transmitting a radioisotope to the outside of the main syringe;
A plurality of dispensing syringes having a cylinder and a piston for placing a gasket on one side;
A connecting tube connecting the main syringe and the plurality of dispensing syringes;
Dispensing syringe automatic fixing device for adjusting and fixing the piston of the dispensing syringe; And
The amount of radioisotope allocated to each of the dispenser syringes is calculated, and the dispenser auto-fixing device is controlled to adjust the piston of each dispenser syringe according to the use amount of radioisotope calculated for each dispenser. Control device;
Radioactive isotope distribution device comprising a. The method of claim 7, wherein the syringe operation portion
A main syringe coupling part coupled to the cylinder of the main syringe to fix the cylinder of the main syringe, the inside having a space in which the piston of the main syringe can move;
One side is disposed in the main syringe coupling unit is coupled to the piston of the main syringe, the other side having a handle separated from the one by a predetermined length, the piston adjustment unit for adjusting the piston by pushing and pulling the handle ; And
A fixed tube having one side fixed to the main syringe coupling portion and having a portion of the piston adjusting portion disposed therein;
Radioactive isotope distribution device comprising a. 8. The dispenser auto-lock device according to any one of the preceding claims, wherein
Is provided with a plurality of dispense syringe control unit corresponding to each of the dispense syringe,
The dispense syringe adjusting unit
Fixing the cylinder of the dispensing syringe, the inside of the cylinder fixing portion having a space for moving the piston;
A piston push rod having one side fixed to the piston of the dispensing syringe to adjust the position of the piston;
A step motor controlled by the control device;
A gear device including a first gear connected to a step motor and a plurality of second gears engaged with the first gear;
A plunger moving screw connected to a final second gear of the gear device and rotating; And
A plunger moving fixing nut positioned on the piston rod, located on the other side corresponding to the piston, and engaged by moving through the rotation of the plunger moving screw to move the rod to adjust the amount of radioactive isotopes;
Radioactive isotope distribution device comprising a. The method of claim 9, wherein the dispense syringe control unit
Further comprising a pressure sensor, the radioisotope dispensing device, characterized in that for setting the reference point by detecting the pressure when the piston of the dispenser in contact with the cylinder. 8. The device of any one of the preceding claims, wherein the radioisotope distribution device is
Dispensing syringe automatic fixing device moving portion and dispensing syringe cap fixing portion further provided,
The dispenser automatic fixing device moving unit moves the dispenser automatic fixing device so as to correspond to the position of the dispenser syringe cap fixing unit when the injection of the radioisotope into the dispenser syringe is completed.
The dispensing syringe cap fixing unit is a radioisotope dispensing device, characterized in that for inserting the stopper in each of the inlet of the plurality of dispensers. 8. The device of any one of the preceding claims, wherein the radioisotope distribution device is
And a printer, the printer recording and outputting information of the dispenser. delete delete Is provided with a plurality of dispensing syringe receiving compartment is opened in the front, the dispensing syringe receiving compartment and a plurality of dispensing container body is formed in the front of the carrier container body and a radioactive shielding film is formed in the front of the container container body Dispensing syringe shielding carrier having a container lid for shielding the radiation of the syringe;
A radiation measuring sensor disposed in front of the dispenser syringe shield container; And
An auxiliary lid disposed on the front side of the body of the dispenser syringe carrying container to measure radioactivity and movable left and right along the body of the dispenser syringe carrying container;
And
By operating the container lid and the auxiliary lid, each dispensing syringe is opened independently, through which the radioactive sensor can measure the radioactive amount of the radioactive isotope included in a single dispense syringe. Measuring device.

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