89 results about "Radioactive particles" patented technology

The utility model discloses a multifunctional biliary tract internal and external drainage tube combination device applied to a patient suffering from hilum cholangiocarcinoma. A drainage catheter is transited from a shaping area and an elastic cabin area to an internal drainage area to form a cylindrical cone; side holes are formed in the inner drainage area and the shaping area; a marker point is arranged between the inner drainage area and the missile cabin area, the missile cabin area is distributed between the inner drainage area and the shaping area, a one-way valve is arranged at the contact position between the shaping area and the missile cabin area, a hole channel is formed in the outer wall, extending into the marker point from the missile cabin area along the one-way valve, of the missile cabin area, and the hole channel forms a missile cabin in the missile cabin area. The magazine is used for placing radioactive particles; the hard support is used in cooperation with the drainage catheter, the hard support penetrates into the outer drainage area and then is pulled to the end of the inner drainage area, and the curled part of the shaping area of the hard support is straightened. The utility model can realize internal and external drainage and achieve the purpose of local tumor treatment, and is simple and convenient to operate and easy for medical staff to use.

The invention discloses a multi-channel radioactive source implantation system with a needle withdrawing driving function, which comprises a push rod output channel, a push rod, a push rod driving mechanism, a first connecting part, a first motion platform and a needle withdrawing driving mechanism, and is characterized in that the push rod pushes a radioactive source arranged in front of the push rod to be output along the push rod output channel; the first connecting part and one end of the push rod output channel are arranged on the two sides of the first moving platform respectively, the needle pulling driving mechanism and one end of the push rod output channel are arranged side by side, and the first moving platform drives one end of the push rod output channel and the needle pulling driving mechanism to move relative to the first connecting part. The push rod output channel is butted with different hole sites through the relative movement of the push rod output channel and the first connecting part, so that multi-channel implantation of radioactive particles is realized; the puncture needle is automatically pulled out through the needle pulling driving mechanism, the implantation precision and the implantation effect are improved, full-automatic operation is achieved, the radiation risk is avoided, the operation time is short, the structure is simple and reasonable, and driving is convenient and fast.

The present application relates to a kind of nuclear power plant surge line nozzle heat shield sleeve structure and system, comprising: support ring, fluid distribution cover, heat shield sleeve, nuclear power plant surge line nozzle and cladding layer.The nuclear power plant surge line nozzle heat shield sleeve structure and system described above when actually used, through the one end of support ring and the cladding layer of surge line nozzle connection, the other end and fluid distribution cover connection, the one end of heat shield sleeve is inserted into support ring and is connected with support ring, to form gap between the other end of heat shield sleeve and the safety end of surge line nozzle, radioactive particles generated in the annular space between heat shield sleeve and surge line nozzle during reactor operation can be discharged from the gap, thereby avoiding the difficulty and cost of in-service inspection caused by the fact that the safety end of heat shield sleeve surge line nozzle forms a sealed space, so that the risk of high radiation faced by inspection and maintenance personnel is reduced.

This invention discloses a radioactive particle strip implantation system and method, relating to the field of medical device technology. It includes: an implantation gun and a particle strip module; the implantation gun includes: a gun body; a drive assembly disposed within the gun body, including a driver and a thrust control unit; a push rod, drively connected to the power output end of the driver; a particle strip placement slot disposed at the front end of the gun body for placing the particle strip module, and coaxially arranged with the push assembly; the gun body has a docking part at the front end of the particle strip module compartment for connecting an implantation needle; the push rod can pass through the particle strip module to push the particle strip into the implantation needle; the particle strip module includes: a module body; multiple radioactive particles and multiple hemostatic drug units are pre-sealed in an alternating arrangement within the module body; the radioactive particles and hemostatic drug units are coaxially arranged and can be pushed into the implantation needle by the push rod. This invention uses a pre-assembled plate stacking structure to make the spacing of the radioactive particles adjustable, simplifying on-site operation.

The invention discloses a handheld radioactive particle implantation device which comprises an implantation device body, a push needle assembly, a puncture needle assembly, a particle cartridge holder and a connecting assembly, the puncture needle assembly and the particle cartridge holder are detachably installed on the connecting assembly, and the connecting assembly and the push needle assembly are installed on the implantation device body; the push needle assembly comprises a push needle and a push needle mounting seat, and the push needle of the push needle assembly is coaxial with the puncture needle and moves back and forth in the axis direction of the puncture needle; a driving assembly is arranged between the needle pushing assembly and the implanting device main body and drives the needle pushing assembly to linearly move back and forth; a grab handle and an operation button are arranged below the implanting device main body, and the operation button is in control connection with the driving assembly. The method has the beneficial effects that the requirement for the operation proficiency of medical staff is lowered, and finger fatigue and psychological burden of the medical staff are relieved; the risk of clamping stagnation when the push needle is pushed and pulled is reduced, the pain of a patient is reduced to a certain extent, and the operation efficiency is improved.

The invention discloses an absorbable particle cannula loaded with double radiosensitizers, and aims to effectively improve the internal radiation radiotherapy effect and facilitate implantation of radioactive particles, and the whole material can be degraded and absorbed in vivo and does not need to be taken out through a secondary operation. The absorbable particle sleeve mainly comprises an absorbable particle sleeve body for packaging radioactive particles, a spacer which is arranged in the sleeve body and is used for spacing the radioactive particles, and a polydopamine coating which is loaded with a double radiosensitizer of metal nanoparticles and aromatic ring structure drugs. In the polydopamine coating, the metal nanoparticles are nanoparticles formed by reducing metal ions on the surface of the coating in situ through catechol groups of polydopamine; and the medicine is loaded on the surface of the coating through non-covalent acting force (pi-pi stacking action, hydrophobic interaction and / or electrostatic attraction).

The embodiment of the invention is suitable for the technical field of nuclear power, and provides a ventilation system and a control method of the ventilation system, and the ventilation system and the control method are applied to an emergency resident area of a nuclear power plant. Different purification units are mounted in different areas of the emergency residence area; the purification units with different function types are used for filtering different radioactive substances; the radioactive substances comprise radioactive particles, radioactive aerosol and radioactive gas; each purification unit comprises an air inlet module, a purification module and an air exhaust module; the air inlet module is connected with the purification module and used for introducing air in the emergency residence area into the purification module; and the purification module is connected with the exhaust module and is used for filtering radioactive substances corresponding to the function type of the purification unit and exhausting the filtered air into the emergency resident area through the exhaust module. According to the ventilation system provided by the embodiment of the invention, the safety of the emergency resident area can be improved.

The present invention discloses a particle implantation device with double implantation bins, which belongs to the field of medical device technology. The sliding bin seat is slidably installed in the outer shell, and bin-changing push rods are respectively provided on both sides of the sliding bin seat, and through holes are correspondingly provided on both sides of the outer shell, and the bin-changing push rods pass through the through holes; the sliding bin seat is provided with a first bin position and a second bin position, the first bin position is connected to the radioactive particle implantation bin, and the second bin position is connected to the supporting particle implantation bin; the upper joint assembly is connected to the upper plane of the outer shell, and the lower joint assembly is connected to the lower plane of the outer shell, and the lower joint assembly is used to connect with the implantation needle; the upper plane and the lower plane of the outer shell are respectively provided with an upper through hole and a lower through hole; when the sliding bin seat slides to different gears respectively, the upper joint assembly, the upper through hole, the lower through hole and the lower joint assembly can respectively form a through channel with the first bin position or the second bin position. The present invention can conveniently and quickly place radioactive particles and supporting particles alternately into the implantation needle, and accurately control the distance between two adjacent radioactive particles.

The invention relates to an implantation device for gold labels or radioactive particles, belongs to the technical field of medical instruments, and solves one of the problems that the number of the gold labels or radioactive particles loaded at one time is insufficient and the implantation counting accuracy of the gold labels or radioactive particles is poor in an existing implantation device. The device comprises a puncture outfit, a loader and an implantation needle, and the puncture outfit is used for puncturing into the body of a patient and puncturing to a tumor area; the loader can load a plurality of gold labels or radioactive particles and can be clamped on the puncture outfit; and the implantation needle is used for implanting the gold label or the radioactive particles loaded in the loader into a tumor area. A plurality of gold labels or radioactive particles can be loaded at a time through the loader, one-time filling and multi-batch continuous implantation are achieved, the device does not need to be frequently disassembled to supplement the gold labels or radioactive particles, the interruption frequency of clinical operation is greatly reduced, the operation efficiency and operation continuity are improved, and the large-dose implantation requirement is met.

The invention discloses an automatic filling device for radioactive particles, and the device comprises a particle sorting mechanism which is used for sorting the radioactive particles; the cartridge holder mounting mechanism is used for mounting a cartridge holder so as to fill the radioactive particles sequenced by the particle sequencing mechanism; the particle conveying mechanism is used for receiving the radioactive particles sorted by the particle sorting mechanism and conveying the radioactive particles to a filling position of the cartridge holder mounting mechanism; the particle pushing mechanism is used for pushing the radioactive particles conveyed by the particle conveying mechanism into the cartridge holder; the cartridge holder control mechanism is used for enabling the cartridge holder to make a particle filling position so as to receive the radioactive particles pushed by the particle pushing mechanism; the particle blocking mechanism is mounted on the cartridge holder mounting mechanism and is used for opening or closing a discharge hole of the particle sorting mechanism; the particle sorting mechanism, the particle conveying mechanism, the particle pushing mechanism and the cartridge holder control mechanism are in signal connection with the control unit. According to the automatic filling device provided by the invention, the particle filling efficiency and safety can be improved.

The invention discloses a radioactive particle interventional operation device which comprises a positioning needle, a flexible needle, a propelling needle, a fixing assembly, a propelling assembly, a rotating assembly, a feeding assembly and a pushing assembly. The propelling assembly is located on the lower end face of a propelling base, and the pushing assembly is located on the upper end face of the propelling base; the rotating assembly is located on the upper end face of the propelling base and located on the left side of the pushing assembly, the feeding assembly is located on the upper end face of the propelling base and located on the right side of the pushing assembly, and the propelling assembly, the pushing assembly, the rotating assembly and the feeding assembly are all arranged in the front-back direction. The propelling assembly and the fixing assembly can be staggered in the vertical direction, parts such as a cable connected to the fixing assembly cannot interfere with the propelling assembly, installation of the device and the mechanical arm of the surgical robot is better facilitated, meanwhile, limitation of the propelling assembly to the action range of the mechanical arm in the action process of the mechanical arm is reduced, and the mechanical arm is more convenient to use. And the mechanical arm can have a larger movement range.

The application belongs to the technical field of biological medicine, and particularly relates to an ultrathin radioactive patch for skin cancer treatment and a preparation method thereof. The preparation method comprises the following steps: adding a photoinitiator solution into a methyl methacrylate gelatin solution, and performing water bath heating dissolution under light shielding conditions; after the dissolution is completed, mixing the radioactive particles used for external irradiation treatment, stirring to a semi-solid state, smearing to a patch bottom film by using a smearing part, covering the patch anti-adhesion paper on the surface, irradiating and curing by using a light source, and obtaining the ultrathin radioactive patch. The patch prepared by the application can be customized according to the size and shape of a lesion site, a corresponding bottom film is cut out and attached to the lesion site, and smearing is directly performed. Compared with a common radioactive hydrogel, the preparation method is simpler, the preparation time is shorter, and the efficiency is higher.

This invention belongs to the field of nuclear facility radiation monitoring technology and aims to solve the problem of low accuracy in identifying and measuring multiple radioactive particles in mixed radiation fields. It provides a quantitative measurement method for multiple radioactive particles in mixed fields. By building a high-speed waveform data acquisition system, it achieves high-speed, high-precision acquisition of radioactive particle waveform data and reconstruction of the entire waveform under different testing conditions. It also utilizes a convolutional neural network model to complete adaptive feature extraction and accurate classification of radioactive particles from the full waveform data. Simultaneously, it establishes a waveform database covering four types of radioactive particles (α, β, γ, and n) under multiple testing conditions. By combining the database with waveform feature matching, it ultimately achieves rapid, high-precision identification and accurate quantitative measurement of the four types of radioactive particles in complex environments, significantly improving the technical level and practical application effect of nuclear facility radiation monitoring.

The silicone stent with the radioactive particles for the pneumology department comprises a main stent body and a first baffle, connecting shafts are rotationally arranged in the main stent body, a through hole is formed in the surface of the main stent body, the tail ends of the connecting shafts are located in the through hole, and the connecting shafts are symmetrically distributed relative to the center of the through hole; and the sliding blocks are fixedly mounted on the left side and the right side of the clamping block. According to the silicone support with the radioactive particles for the pneumology department, when the main support is used, the first baffle and the second baffle are in a vertical state, normal use of the main support is facilitated, when the connecting support needs to be in butt joint, a shifting block is pulled to drive the tail end of a positioning rod to move out of a deep groove, and at the moment, a connecting shaft rotates under the action of a torsion spring; and finally, the first baffle and the second baffle are in a horizontal state, at the moment, the connecting support can be in butt joint, the positioning blocks enter the positioning grooves, then the clamping blocks enter the clamping grooves, and the overall use range of the device is widened.

The invention discloses a clinical prediction model construction method and system for treating oligometastatic non-small cell lung cancer through radioactive particle implantation, and relates to the technical field of medical model construction, and the method comprises the steps: obtaining patient data, taking survival time as a main endpoint event, employing a Cox regression model to carry out single-factor analysis on factors affecting patient prognosis, and obtaining a single-factor analysis result; determining the relationship between each clinical feature and survival time, and incorporating the important factors influencing the prognosis into multi-factor Cox regression analysis to determine independent risk factors influencing the survival prognosis of the patient; generating a first clinical prediction model according to each independent risk factor nano-construction; cD3 + AC, CD4 + AC, CD8 + AC, combined treatment, complete treatment and the number of metastatic lesions are taken as variables together to be included in construction of a clinical prediction model, and a second clinical prediction model is manufactured and generated. Independent risk factors influencing the prognosis of a radioactive particle implantation treatment few-metastatic NSCLC patient are confirmed, the clinical prediction model is established, the treatment prognosis can be accurately predicted, and the treatment cost is reduced. And screening of dominant benefit people is facilitated.

The invention belongs to the technical field of radiochemistry, and particularly relates to a nanofiber filter membrane as well as a preparation method and application thereof. The electrostatic spinning technology is adopted, and the nanofiber filter membrane which is uniform in structure, fine in fiber and free of defects is prepared. By regulating and controlling spinning conditions, optimal fiber diameter distribution is obtained, no spindle exists, and the mechanical property of the filter membrane is improved while the trapping efficiency of the filter membrane on ultrafine particles is improved. The obtained nanofiber filter membrane can keep mechanical stability and low resistance while capturing superfine radioactive particles, the average diameter and the pore diameter of nanofibers are extremely small, the nanofiber filter membrane has a larger comparison area and a porous structure, a large number of contact sites can be provided, and especially the nanofiber filter membrane has excellent capturing efficiency on superfine particles smaller than 100 nm.

Disclosed are a simulation method and device for radioactive particle source distribution in a lumen. The method comprises: marking a target area and a lumen target in an image space, and establishing a three-dimensional model containing the target area and the lumen target in a three-dimensional space; selecting the length and diameter of a stent on the basis of a luminal centerline of a narrowed section of the lumen target caused by the treatment target area, and establishing a stent model in the three-dimensional space; simulating implantation of the stent into the lumen, expanding the target area and the lumen, acquiring a stent-lumen-target area model, and extracting simulation results of the stent-lumen-target area model after stabilization of the stent-lumen-target area model; calculating a relationship matrix between the image space and the three-dimensional space, and inversely mapping the simulation results of the stent-lumen-target area to the image to obtain a simulated postoperative CT; rasterizing an expanded surface of the stent to obtain candidate particle coordinates; and establishing an objective function on the basis of the postoperative target area and the candidate particle coordinates, and performing plan optimization for dose and number of particles using a heuristic method.

A radiotherapy delivery device includes a body having a first end and a second end and a catheter having a lumen extending between a proximal end and a distal end. The proximal end of the catheter is coupled to the second end of the body and the distal end of the catheter includes a cutting tip that penetrates a target site. A sealed pouch containing radioactive particles is positioned within the lumen of the catheter, and a puncture shaft is positioned coaxially within the body. The puncture shaft advances in a longitudinal direction into and through the sealed pouch to release the radioactive particles. A syringe is fluidly coupled to the lumen of the catheter, and the radioactive particles released by the sealed pouch are deposited into the target site when fluid is supplied from the syringe and into the lumen of the catheter.

Disclosed in the present invention are a puncture needle and an automatic particle implantation system using the same. The automatic particle implantation system comprises a controller, an angle adjustment apparatus, and a puncture needle assembly. The angle adjustment apparatus is electrically connected to the controller, the puncture needle assembly is mounted on the angle adjustment apparatus, and the puncture needle assembly comprises a puncture needle. The controller is used for controlling the angle adjustment apparatus to adjust a puncture angle of the puncture needle assembly, and the controller is further used for controlling a particle gun to pass through a septum of the puncture needle to enter the puncture needle to implant radioactive particles, and when the particle gun exits, the septum automatically blocks a wide-diameter section of a needle seat, so as to allow the particle gun to implant radioactive particles again. By means of the precise angle adjustment and the special structural design of the puncture needle, the present invention achieves precise positioning of the puncture needle assembly, thereby significantly improving the efficiency and safety of surgery.

The present invention relates to a device and method for detecting and sorting the appearance quality of radioactive particles. The device includes a vibration system for supplying radioactive particles, an induction system for judging the information of radioactive particles in the vibration system, an escapement system provided with a lifting system, a detection system for detecting the appearance quality of radioactive particles, a first discharge table for collecting qualified products, and a second discharge table for collecting unqualified products. The device further includes a control system installed in an operation box. Under the control of the control system, the escapement system, in cooperation with the lifting system, sequentially completes the operations of sucking radioactive particles from the vibration system, transferring the sucked radioactive particles to the detection system to detect whether the appearance quality is qualified, and releasing the detected radioactive particles into corresponding collection bottles according to whether they are qualified or unqualified. This device can automatically complete the detection and sorting of the appearance quality of radioactive particles, has high production efficiency, and does not damage radioactive particles.

The utility model relates to a kind of gastrointestinal tumor endoscopic radioactive particle implantation device, its structure includes operating part, first striker, second striker, catheter, particle bin, particle loading part and puncture needle;The catheter one end is connected with operating part, and the other end is detachably connected with particle loading part, and the puncture needle is located the end of the particle loading part;First channel and second channel are equipped in the catheter, first striker and second striker pass through operating part respectively, and the first striker is inserted into the first channel, and the second striker is inserted into the second channel, particle bin mounting channel for installing particle bin is equipped in the end of the first channel, and the particle loading part is used to transport the particle exported from particle bin to the position corresponding with puncture needle.The utility model solves the problem of repeatedly loading particles in the prior art, simplifies the operation process, and reduces the operation time.

The application discloses a prostate cancer lesion-based intelligent diagnosis auxiliary method and system and a storage medium, relates to the tumor treatment data processing technical field, and comprises the following steps: acquiring current patient case data and image data of a lesion site; searching for and acquiring reference image data sets, statistically analyzing the probability of the lesion tissue appearing at different positions in space based on the reference image data sets, and generating a probability distribution graph of the lesion tissue; calculating and generating a radiation dose distribution graph of the three-dimensional space of the current lesion area according to particle implantation site coordinates; and determining implantation coordinates of superimposed particles according to the probability distribution graph and the radiation dose distribution graph, and marking the implantation coordinates in the image data of the current patient. Through the above scheme, the implantation coordinates of the superimposed particles are determined, the implantation positions of the radioactive particles are more suitable for the distribution of the lesion tissue, the cancer cells of the lesion tissue are killed, the spread of the cancer cells is slowed down or even blocked, and the treatment effect is improved.

This utility model relates to the field of medical devices, specifically to a ureteral stent capable of carrying particles, comprising: a tube body and a particle chamber structure; the front and rear ends of the tube body are curved into a pigtail shape; the tube body is a single through-hole serving as a drainage cavity; several drainage holes are provided on the curved portions of the front and rear ends of the tube body; a marker ring is provided on the tube body at the junction of the curved portion and the tube body; several radiopaque rings are provided on the tube body between two marker rings; the particle chamber structure is integrally formed with the tube body, and the particle chamber structure includes several particle chambers distributed laterally along the tube body. Each particle chamber is a cylindrical cavity, with one end of the cylindrical cavity serving as a particle placement channel. The entrance to the particle placement channel is sloped, and the bottom of the slope is a baffle to prevent the radioactive particles from slipping out. The cylindrical cavity is filled with radioactive particles. This utility model combines a ureteral stent with radioactive particles, and uses a single particle chamber with several particle chambers arranged laterally, making it simple to operate and convenient to use.

The invention discloses a radioactive particle protection implanting device for tumor treatment. The radioactive particle protection implanting device comprises an implanting gun body, a puncture needle, a loading assembly and a push rod matched with the puncture needle. The loading assembly is detachably installed on the surface of the implantation gun body, a bullet loading box and a rotatable rotating wheel are arranged in the loading assembly, a loading groove is formed in the periphery of the rotating wheel, and through holes are formed in the surface of the shielding protection plate and used for achieving one-by-one alignment and shielding protection of radioactive particles. A trigger, a fixed assisting block, a movable assisting block, an elastic piece and an engaging lug are arranged in the implantation gun body, the push rod is driven to linearly advance through the connecting rod and the sliding lug, one-way limiting is achieved under the clamping action of the engaging lug, and reverse sliding of the push rod is prevented. The guide cylinder is used for guiding the push rod to enter the puncture needle and accurately implanting particles into tumor tissue. The device is provided with a rotary missile cabin type protection structure, an anti-non-return gun type propelling structure and a detachable modular loading assembly, radiation leakage can be effectively avoided, it is guaranteed that particle implantation is accurate and reliable, replacement is rapid, and the device has high clinical application value.

The invention discloses an automatic radioactive particle filling device which mainly comprises a magazine movement module, a particle tray module, a tray movement module and a platform, particles fall into notches of a particle tray through vibration of a vibration motor, and when the particles fall into each notch, the particle tray is adjusted to a specified posture through a second lead screw; the magazine placing frame moves to a designated position through a first lead screw and pushes a particle leaking plate of a particle tray, and particles fall into a magazine; and the magazine placing frame returns to the original position through the first lead screw, the particle tray returns to the horizontal position through the second lead screw, and the process is repeated, so that the particle filling work is completed. Through cooperation of the magazine movement module, the particle tray module, the tray movement module and the platform control module, particle filling is completed, the particle filling workload of personnel is relieved, the working efficiency is improved, and meanwhile the device is simple in structure, convenient to operate and low in maintenance cost.

This utility model relates to the technical field of nuclear power plant safety protection facilities, and in particular to a pressure relief device for nuclear power plants with a filtration structure. The device includes a pressure relief pipe with electrically controlled valves installed at both ends, and multiple filters are installed inside the pipe. By installing two filters inside the pressure relief pipe and filling them with different types of filter materials, this device can rapidly release pressure inside the containment vessel while efficiently removing harmful components such as metallic sodium vapor, hydrogen, and radioactive particles from the emitted gas. This effectively reduces harm to the environment and equipment. Compared to traditional pressure relief systems that rely solely on gas recovery bladders to collect gas, this device directly purifies the gas on-site, significantly improving the overall operational safety and environmental protection level of the nuclear power plant.

1. Name of the designed product: filling machine. 2. Use of the designed product: for automatic filling of particle cartridges with radioactive particles. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view 1.

Disclosed are a particle stent for a portal vein, a particle stent for a lumen, and a kit thereof. The particle stent comprises a fixing part; a first parallel part comprising a plurality of first edges parallel to the length direction of the particle stent; a second parallel part comprising a plurality of second edges parallel to the length direction of the particle stent; a support part extending in a circumferential direction of the particle stent to provide a radial support force for the first edges and the second edges; and a particle filling part. Each group of nitinol wires is mutually wound from a first end to a support starting point to form a first edge. Moreover, the first edge divides into two nitinol wires from the support starting point, and each of the nitinol wires is bent at a support end point and mutually wound with an adjacent group of nitinol wires from the support end point to a second end to form a second edge. The particle stent can not only achieve the accurate arrangement of radioactive particles but also prevent tumor thrombi from being displaced.

The invention belongs to the technical field of medical experiments, and particularly discloses a cell culture device for cancer cell irradiation experiments, which comprises a culture container, and culture holes are formed in the culture container and used for culturing cancer cells. The cell culture device further comprises a base and an irradiation assembly, the number of the culture containers is at least one, the culture containers and the base form a culture part, the irradiation assembly and the base form an irradiation part, and the side edge of the irradiation part is connected with the side edge of the culture part. According to the invention, based on the base, the culture container and the irradiation assembly, the arrangement of the irradiation group in the cancer cell culture process is realized, the requirement of continuously irradiating the cultured cancer cells by radioactive particles during an irradiation experiment can be met, and the irradiation experiment device has relatively high flexibility. In addition, according to the irradiation assembly, the partition plate is matched with the radiation column to form a radiation channel from the radiation source, and orderly and regular irradiation on cancer cells is achieved to meet the irradiation experiment requirement.