47 results about "Radiation protection door" patented technology

A particle therapy system that includes at least one irradiation chamber, in which an object is irradiated with a treatment beam, an antechamber, which is screened off from radiation occurring in the irradiation chamber and from which access is made to the irradiation chamber, and an access area, which leads to the irradiation chamber and connects the irradiation chamber to the antechamber, is provided. A support for a patient moves along a path of travel from the antechamber, through the access area, to the irradiation chamber. A radiation protection door is arranged in the access area, and the access area is configured geometrically in such a way that the path of travel in the access area is substantially rectilinear.

A particle therapy system that includes at least one irradiation chamber, in which an object is irradiated with a treatment beam, an antechamber, which is screened off from radiation occurring in the irradiation chamber and from which access is made to the irradiation chamber, and an access area, which leads to the irradiation chamber and connects the irradiation chamber to the antechamber, is provided. A support for a patient moves along a path of travel from the antechamber, through the access area, to the irradiation chamber. A radiation protection door is arranged in the access area, and the access area is configured geometrically in such a way that the path of travel in the access area is substantially rectilinear.

The invention relates to a heavy electric radiation protection door. The door comprises a base with door hole, a door body and an electric control box, wherein the base above the door hole is provided with a main beam into which a lead screw driven by a motor is penetrated; multiple groups of horizontal pulleys are hung at the lower end of a nut engaged with the lead screw; rollers arranged at the upper ends of each group of horizontal pulleys are pressed on the surface of a horizontal guide rail arranged on the main beam in a sliding way; and all the lower ends of each group of horizontal pulleys are connected with the upper end of the door body. The door has a simple structure; stable and accurate running of the door body is realized by the lead screw and the horizontal pulley; opening or closing of the door body is realized by a frequency converter control motor; and the door has high automation level, is safe and reliable, and has a good radiation protection effect because barium sulfate concrete is filled in the door body.

The invention discloses a chest radiography anti-radiation X-ray camera system suitable for the indoor radiology department. The chest radiography anti-radiation X-ray camera system comprises a machine room, wherein a front isolation board and a rear isolation board are arranged in the machine room side by side, a front window is formed in the front isolation board, a rear window is formed in the rear isolation board, an emission area is formed in rear of the rear window, a physical examination area is formed between the front isolation board and the rear isolation board, an anti-radiation door of the physical examination area is arranged in the physical examination area, a DR flat-panel box is arranged in the physical examination area, a lifting box is arranged on the bottom of the DR flat-panel box, an X-ray area with the trapezoidal section is formed between the front isolation board and the top wall of the machine room, an X-ray bulb tube is arranged in the X-ray area, the X-ray bulb tube fixed to the rear wall of the machine room through a cushion plate, a light beam limiter is arranged at the emission end of the X-ray bulb tube, and the cross central lines of the light beam limiter, the front window, the DR flat-panel box and the rear window are overlapped. For the system provided by the invention, X-ray shooting is carried out on the position of an examined area by lifting an examined person, and the trapezoid-type lead plate protection of the X-ray area can effectively limit the emission direction of complement lines on the periphery of a main shooting beam of the X-rays; the X-rays penetrating through the rear window emit towards the tail and the bottom of the compartment after entering the emission area, and thus the integral protection quality is promoted.

The invention concerns a radiation protection curtain including at least two layers arranged parallel to each other, for use with a means of transporting objects to be scanned on a production line in a direction through the radiation protection curtain. At least one first layer is configured as a radiation protection layer. This at least one first radiation protection layer is preceded in the transport direction outwards by at least one additional separate stand-alone layer. This at least one additional layer is configured as a mechanical protection layer for the purpose of protecting the radiation protection layer behind it from mechanical effects, and the at least one additional mechanical protection layer includes at least one segment that is located on an already-installed radiation protection layer at predefined positions in such a way that it can be replaced individually.

The invention discloses a civil air defense door capable of being quickly converted into a radiation protection door, and belongs to the technical field of civil air defense. The civil air defense door capable of being quickly converted into the radiation protection door includes a frame, a sliding door, a revolving door, a hoist, a moving lead plate and racks. The sliding door is installed on guide rails on a door frame through rolling wheels. The racks are arranged on both sides of a first lead plate moving groove, and electric gears are arranged on both sides of the moving lead plate. The moving lead plate can be controlled to move up and down on the racks through the meshing of the electric gears and the racks. The revolving door is installed on the sliding door through bolts and boltholes, and can be rotated to be opened or closed on the sliding door. The hoist is installed on the door frame for retracting and releasing the moving lead plate. When the civil air defense door needsto be in a radiation protection state, the moving lead plate moves down from the hoist into the revolving door; and when no radiation protection work is required, the moving lead plate moves up to the hoist and then is wound up together by the hoist.

The invention discloses an r knife radiation protection door. The r knife radiation protection door comprises a door body (1), a lower rail (2) and an upper rail (3), wherein a door wheel box assembly (4) which is positioned on the lower rail (2) is arranged at the lower end of the door body (1); an offset resistance wheel (5) which is embedded in the upper rail (3) is arranged at the top end of the door body (1); and the upper rail (3) is fixedly arranged on a wall. By adoption of stainless steel panels, wood boards and lead plates, and forming a closed cavity between the lead plates, the door body is assembled, radiation protection fillers of wax and borax are arranged in the closed cavity, so that gamma ray radiation caused by an r knife can be effectively prevented; and the upper rail and the lower rail ensure that the door body can move freely. The r knife radiation protection door has the characteristics of simple structure and easy opening and closing, and is suitable for popularization.

The invention belongs to the technical field of radiation protection doors, in particular to a radiation protection door for medical treatment, comprising a fixed door frame; a main door frame is slidably arranged inside the fixed door frame, and sliding cavities are provided on both sides of the main door frame; Symmetrical sliding is provided with a radiation shield; the first driving screw is sleeved with a screw sliding sleeve; the second driving screw is rotatably arranged on the fixed door frame; the helix of the second driving screw is a bidirectional helix, and the second driving screw is A screw sliding sleeve is symmetrically sleeved on the driving screw rod; a connecting frame is fixed on the screw sliding sleeve sleeved on the first driving screw rod, and the connecting frame is fixedly connected to both sides of the upper end of the main door frame; The bottom ends are all inherently fixed supports; the top ends of the radiation shields are fixedly provided with connecting seats, and the connecting seats and the fixed supports are connected by a driving connection mechanism; to prevent the large gap of the main door frame from being opened, resulting in the generation of radiation substances The phenomenon of diffusion, while reducing the phenomenon of power consumption.

The invention discloses a high-stability medical anti-radiation door with an air exchange function. The high-stability medical anti-radiation door with the air exchange function comprises a wall body.An anti-radiation door cavity with a rightward opening is formed in the left side of the wall body, and a channel is formed in the right end of the anti-radiation door cavity in a communicating modeand allows pedestrians to pass through. A rolling wheel cavity is formed in the lower side of the anti-radiation door cavity in a communicating mode, and an anti-radiation door which can be opened andclosed leftwards and rightwards is arranged inside the anti-radiation door cavity. According to the high-stability medical anti-radiation door with the air exchange function, the function that rolling wheels on the lower side of the anti-radiation door jump up and down is utilized, and therefore the phenomenon that due to the obstruction of stones, the opening and closing work of the anti-radiation door is affected can be effectively reduced, and smooth opening and closing operation of the anti-radiation door can be achieved; due to the fact that an observation window is added inside the anti-radiation door, a doctor can observe the state of a patient in real time advantageously, and an accident is prevented from happening; and the indoor air exchange work can be accomplished through an air exchange device and a stone collection device inside the anti-radiation door, and therefore the radiation damage to personnel is reduced.

The invention discloses a radiation protection door safe and convenient to use for a radiology department. The radiation protection door safe and convenient to use for the radiology department comprises an upper mounting seat and a lower mounting seat. The upper mounting seat and the lower mounting seat are symmetrically arranged up and down. The upper mounting seat is fixed on a wall. The lower mounting seat is fixed on the ground. Two sets of radiation protection door bodies are movably connected between the upper mounting seat and the lower mounting seat. The two sets of radiation protection door bodies are symmetrically arranged left and right. The upper mounting seat is connected to the top portions of the radiation protection door bodies through a first sliding mechanism. According to the radiation protection door safe and convenient to use for the radiology department, the radiation protection door bodies and the upper mounting seat are assembled through sliding connection between a first sliding rail and a first sliding groove, the radiation protection door bodies and the lower mounting seat are assemble through sliding connection between the first sliding rail and the first sliding groove, the stability is good, the radiation protection door bodies can be opened and closed conveniently, and rationality of the design is ensured.

The invention discloses a self-sealing medical buffer type anti-radiation sliding door which primarily comprises an anti-radiation door body. The anti-radiation door body comprises a traction pull-back device, protecting devices, a window frame device and a lock catch device. The anti-radiation door body is arranged in a sliding manner and is provided with a storage room correspondingly, horizontal slide rails are arranged above and below the anti-radiation door body and the storage room, pulleys move in the horizontal slide rails under the action of the traction pull-back device, the protecting devices are of V-shaped structures, the protecting devices opposite to the open position of the anti-radiation door body are arranged in the horizontal slide rails of the anti-radiation door body,the window frame device is arranged in the center position of the anti-radiation door body in a penetrating manner, the lock catch device is located on the left end surface of the anti-radiation doorbody, the lock catch device is of a triangular convex structure, the triangular convex structure is arranged corresponding to the wall, and the anti-radiation door body is controlled to open and closethrough an electromagnet. Generally, the self-sealing medical buffer type anti-radiation sliding door is reasonable in structure and space-saving, and the sealing property of the anti-radiation doorbody is guaranteed.

The invention discloses a radiation-proof concrete screen door and a construction process thereof, which belong to the field of radiation-proof doors, and comprise a concrete pile, a concrete wall is fixedly installed on the top of the concrete pile, and a center is arranged in the middle of the concrete wall. channel, and one side of the central channel is provided with a seal overturn, and the concrete wall outside the seal overturn is provided with an annular concave cavity, the side wall of the concrete wall is provided with eight filling ports, and one of the load-bearing plates An engaging guide rod is provided on the side, one end of the engaging guide rod is provided with a fixed hinge block, the fixed hinge block is fixedly connected with the side wall of the load-bearing plate, and the other end of the engaging guide rod is provided with a movable hinge block, A clamping door and a docking door are arranged in the middle of the engaging guide rod. In the present invention, the clamping door and the docking door are moved and docked together by the engaging guide rod, which improves the sealing performance in the shielding door and prevents the human body from being harmed by highly radioactive radiation substances.

The invention relates to an X-ray irradiation protection box with an anti-radiating ventilating device. A main body comprises a box body, a radiation protection door arranged on the primary side of the box body and an X-ray entrance port arranged on a box body top plate. A irradiation treatment cavity ventilating system is additionally arranged on the box body and comprises an air inlet mechanism and an air outlet mechanism, wherein the air inlet mechanism is formed by an air inlet and an anti-radiating multiple retracing type air inlet channel; and the air outlet mechanism is formed by an air outlet, a transition connection pipe, a small electric exhaust fan and an anti-radiating multiple retracing type air outlet channel. The main body section of the multiple retracing type air inlet channel / multiple retracing type air inlet channel is in a flat rectangle shape, and the multiple retracing type air inlet channel / multiple retracing type air inlet channel is made of a lead-containing material. When the X-ray irradiation protection box works, the electric exhaust fan sucks air outwards, the air inlet mechanism supplements fresh air into a room, air in an irradiation treatment cavity is renewed continuously, so that quality of the air in the irradiation treatment cavity is improved, irradiated biological samples are subjected to less irritation, and accuracy of test data and personal safety of operators are guaranteed.

The invention relates to an X-ray radiation protection tank with an anti-radiation light and a video monitor. A tank body is provided with a radiation protection door, an X-ray inlet, a lighting set good for making an irradiated animal feel more comfortable, the video monitor good for operators to acquire more test information, and a wire passage which is made of lead-bearing material and which has a radiation protection function. An outgoing wire of the lighting set and an outgoing wire of a digital camera are both disposed at the near edge part of a top plate, inaccessible for direct X-ray radiation, and are guided out of the tank body through the radiation protection wire passage. The lighting set provides the irradiated animal with proper light, so that the animal takes biological irradiation test without evidently changing the living environment and accuracy of test data can be improved; researchers can observe and record real-time dynamic information of the irradiated animal during test through the video monitor so as to make scientific analysis and judgment. The X-ray radiation protection tank has the advantages that the defect that the existing X-ray radiation protection tank is provided with no lighting or monitoring facilities is overcome effectively; the X-ray radiation protection tank is highly practical.

The invention relates to an X-ray irradiation protection box with an anti-radiating ventilating device. A main body comprises a box body, a radiation protection door arranged on the primary side of the box body and an X-ray entrance port arranged on a box body top plate. A irradiation treatment cavity ventilating system is additionally arranged on the box body and comprises an air inlet mechanism and an air outlet mechanism, wherein the air inlet mechanism is formed by an air inlet and an anti-radiating multiple retracing type air inlet channel; and the air outlet mechanism is formed by an air outlet, a transition connection pipe, a small electric exhaust fan and an anti-radiating multiple retracing type air outlet channel. The main body section of the multiple retracing type air inlet channel / multiple retracing type air inlet channel is in a flat rectangle shape, and the multiple retracing type air inlet channel / multiple retracing type air inlet channel is made of a lead-containing material. When the X-ray irradiation protection box works, the electric exhaust fan sucks air outwards, the air inlet mechanism supplements fresh air into a room, air in an irradiation treatment cavity is renewed continuously, so that quality of the air in the irradiation treatment cavity is improved, irradiated biological samples are subjected to less irritation, and accuracy of test data and personal safety of operators are guaranteed.