JP2013015369A - Radiation protection facility - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a radiation protection facility which is capable of preventing a therapist from being exposed with radiation, by shielding the radiation radiated from an examinee during work of dosing a radioactive medicine.SOLUTION: A radiation protection facility 10A is formed from a barrier 11 and an injection table 12. The barrier 11 is formed of a pedestal 13 including casters 21, a vertically height adjustable shaft 33, and a radiation shield screen 15 of a predetermined area extending to above the shaft 33. The injection table 12 includes a radiation shield top plate 49 of a predetermined area extending in a longitudinal direction and a radiation shield side plate 50 of a predetermined area extending downward from a front end of the radiation shield top plate 49 in parallel with a support member of the barrier 11.

Description

  The present invention relates to a radiation protection facility for preventing an operator from being exposed when a radiopharmaceutical used for a predetermined examination is injected into a subject or when a needle is removed.

  There is a radiation protection tool that is formed from an injection table and a radiation shielding plate that is installed at one end of the injection table and extends upward from the injection table, and that has an opening with a shutter through which the arm of the subject can be inserted. (See Patent Document 1). The radiation protection device places the arm of the subject on the injection table, passes the subject's fist through the shutter-equipped opening, and then the practitioner administers the radiopharmaceutical to the subject using the syringe. In this radiation protection device, the radiation emitted from the syringe at the time of injection to the subject is shielded by the radiation shielding plate, so that the operator is not exposed to the radiation and prevents the operator from being exposed to radiation. it can.

Noto 3025589 publication

  In the examination using the radiation protection tool disclosed in Patent Document 1, the practitioner injects the radiopharmaceutical into the vein of the subject's arm, and then removes the needle from the subject's arm. Radiation is emitted from the whole body of the subject when the needle is withdrawn after administration of the radiopharmaceutical, but if this radiation is not shielded, the operator may be exposed. The radiation protection tool disclosed in Patent Document 1 can shield the radiation emitted from the syringe, but injects the radiopharmaceutical into the examinee while passing the fist of the examinee through the shuttered opening. In some cases, the radiation emitted from the fist of the examinee cannot be shielded, and the practitioner is exposed to the radiation emitted from the fist. In addition, this radiation protection device cannot shield the radiation emitted from the whole body of the examinee during the administration of the radiopharmaceutical, and the operator may be exposed to the radiation emitted from the whole body of the examinee. is there.

  An object of the present invention is to provide a radiation protection facility capable of shielding radiation emitted from a subject during administration of a radiopharmaceutical and preventing an operator from being exposed to radiation.

  The premise of the present invention for solving the above-mentioned problems is a radiation protection facility for preventing exposure of a practitioner who administers a radiopharmaceutical used for a predetermined examination to the examinee.

  The first feature of the present invention based on the premise is that the radiation protection equipment is disposed between the examinee and the practitioner and shields radiation emitted from the examinee, and the obstacle is A pedestal provided with a caster for moving the pedestal, a support member extending upward from the pedestal and adjustable in height in the vertical direction via an elevating mechanism, and installed at the upper end of the support member and extending upward from the support member It is formed from a radiation shielding screen of a predetermined area.

  As an example of the present invention having the first feature, the obstacle is installed on the upper end portion of the support member via a turning means and extends to at least one of the front and rear in the front and rear direction of the radiation shielding screen. The storage table can be turned from the upper end portion to the lower end portion of the support member around the turning means.

  As another example of the present invention having the first feature, the pedestal is provided with a stopper for stopping the movement of the obstacle by the caster.

  As another example of the present invention having the first feature, the height dimension of the radiation shielding screen is in the range of 40 to 80 cm, and the width dimension of the radiation shielding screen is in the range of 30 to 50 cm.

  Another example of the present invention having the first feature includes an injection table in which a radiation protection facility is disposed between the examinee and the obstacle and shields radiation emitted from the examinee. A radiation shielding top plate having a predetermined area on which the arm is placed when the radiopharmaceutical is administered, a radiation shielding side plate having a predetermined area installed in front of the subject and extending downward from the radiation shielding top plate, and radiation It has a sheet that is placed on the top surface of the shielding top plate so that it can be exchanged and absorbs the radiopharmaceutical that has spilled on the top plate, and a frame that is installed on one side edge of the radiation shielding top plate via a pivoting means. In the table, the frame can be swung upward from the upper surface of the radiation shielding top plate around the turning means, and when the frame is swung to the upper surface of the radiation shielding top plate, the frame hits the peripheral edge of the top plate. Hold the sheet while touching, There is fixed to the upper surface of the radiation shielding top plate.

  As another example of the present invention having the first feature, the injection table has a pedestal provided with a caster capable of moving it, and the radiation shielding top plate and the radiation shielding side plate are installed on the pedestal. ing.

  As another example of the present invention having the first feature, the base is provided with a stopper for stopping the movement of the injection table by the caster.

  As another example of the present invention having the first feature, the width dimension of the radiation shielding top plate and the radiation shielding side plate is in the range of 30 to 70 cm, the length dimension of the radiation shielding top plate is in the range of 30 to 50 cm, The height dimension of the radiation shielding side plate is in the range of 50 to 80 cm.

  As another example of the present invention having the first feature, the radiation shielding screen, the radiation shielding top plate, and the radiation shielding side plate are made of a lead plate or radiation shielding glass.

  The second feature of the present invention based on the above premise is that the radiation protection equipment is formed of an injection table and an obstruction located on the opposite side of the subject across the injection table, and the injection table extends in the front-rear direction. A radiation shielding top plate having a predetermined area on which the arm of the examinee is placed during administration of the radiopharmaceutical, and a radiation shielding side plate having a predetermined area installed in front of the subject and extending downward from the radiation shielding top plate. The tool is located on the opposite side of the subject with the radiation shielding side plate in between, and a support member whose height can be adjusted in the vertical direction via an elevating mechanism, and is installed at the upper end of the support member and above the support member A radiation shielding screen having a predetermined area extending to the upper end of the support member and a storage table having a predetermined area which is installed on the upper end of the support member via the turning means and extends rearward in the front-rear direction of the radiation shielding partition. From the upper end of the support member to the lower end There is that it is pivotable.

  As an example of the present invention having the second feature, the injection table and the obstacle are installed on a pedestal provided with casters for moving them.

  As another example of the present invention having the second feature, the pedestal is provided with a stopper for stopping the movement of the injection table and the obstacle by the caster.

  As another example of the present invention having the second feature, the height dimension of the radiation shielding screen is in the range of 40 to 80 cm, the width dimension of the radiation shielding screen is in the range of 30 to 50 cm, The width dimension of the radiation shielding side plate is in the range of 30 to 70 cm and is equal to or larger than the width dimension of the radiation shielding screen, the length dimension of the radiation shielding top plate is in the range of 30 to 50 cm, and the height of the radiation shielding side plate is high. The size is in the range of 50-80 cm.

  As another example of the present invention having the second feature, the radiation shielding screen, the radiation shielding top plate, and the radiation shielding side plate are made of a lead plate or radiation shielding glass.

In another example of the present invention having the first and second features, the radiopharmaceutical is ¹⁸ F-2-fluoro-2-deoxyglucose injection.

  According to the radiation protection equipment having the first feature, when the handicap is moved to the vicinity of the injection table and the practitioner administers the radiopharmaceutical to the subject using the injection table, Since the radiation emitted from the subject when the needle is removed after administration and the radiation is shielded by the radiation shielding screen of the obstacle, the operator is not exposed to the radiation emitted from the subject, This prevents the practitioner from being exposed. When the practitioner approaches the subject to remove the injection needle, the radiation protection equipment can approach the subject while protecting the radiation emitted from the subject, It is possible to move away from the subject while protecting the radiation emitted from the examiner. In the radiation protection equipment, the height of the support member can be adjusted in the vertical direction via the lifting mechanism, and the height of the radiation shielding screen can be adjusted according to the height of the operator. Thus, the practitioner can be concealed, and the exposure of the practitioner due to radiation emitted from the examinee can be reliably prevented. In the radiation protection equipment, the obstacle has a pedestal equipped with a caster, and the obstacle can be freely moved using the caster. Therefore, the obstacle can be moved to the optimum distance from the subject. .

  In the radiation protection equipment having the first feature, the obstacle is provided with an object table having a predetermined area that is installed at an upper end portion of the support member and extends to at least one of the front and rear in the front and rear direction of the radiation shielding screen. Protective equipment that can be swung from the upper end to the lower end of the support member can place medical devices necessary for examination on the storage table by installing the storage table on the obstacle, so that the injection of radiopharmaceuticals These medical devices can be used for drug administration work such as when the needle is removed at the time or after administration, and injection and needle extraction can be performed smoothly using the medical device placed on the table. . The radiation protection equipment can swivel the storage table to the lower end of the support member, so that the storage table can be folded when the storage table is not in use, and the storage table does not interfere with injection or needle removal. Injection and needle removal can be performed smoothly.

  In the radiation protection equipment having the first feature, the protection equipment in which the stopper for stopping the movement of the obstacle by the caster is installed on the pedestal can stop the obstacle in the vicinity of the examinee using the stopper. Further, it is possible to prevent inadvertent movement of the obstacle in the drug administration work such as when the radiopharmaceutical is injected or when the injection needle is removed after administration. The radiation protection equipment can inject radiopharmaceuticals and remove needles while stopping the movement of the obstacles with a stopper, so that the administration of radiopharmaceuticals is performed while maintaining the safety of the subject. be able to.

  In the radiation protection equipment having the first feature, in the radiation protection equipment in which the height dimension of the radiation shielding screen is in the range of 40 to 80 cm and the width dimension of the radiation shielding screen is in the range of 30 to 50 cm, the practitioner is the subject. When the radiopharmaceutical is administered to the patient, the radiation shielding screen having the height and width dimensions prevents the radiation of radiation radiated from the upper body of the examinee from being exposed to the upper body of the operator. The operator is not exposed to the radiation radiated from the examinee during the drug administration operation such as when the injection needle is withdrawn after administration, and the exposure of the operator can be reliably prevented.

  In the radiation protection equipment having the first feature, the radiation protection equipment includes an injection table that is disposed between the subject and the obstacle and shields radiation emitted from the subject. Even if radiation is radiated from the subject during the administration work when a radiopharmaceutical is administered to the subject, the practitioner of radiation that the radiation shielding screen of the obstacle is radiated from the upper body of the subject The radiation shielding top plate installed on the injection table prevents radiation exposure to the patient's upper body and the radiation shielding side plate installed on the injection table. Prevents the patient's lower body from being exposed to radiation radiated from the lower body of the examinee, so that the practitioner is exposed to the radiation radiated from the subject during the injection of the radiopharmaceutical and when the needle is removed after administration. Exposed It is not, it is possible to prevent the exposure of the practitioner. The radiation protection equipment has a sheet for the injection table to absorb the radiopharmaceutical spilled on the radiation shielding top plate, and a frame installed on one side edge of the radiation shielding top plate via a turning means. Since the frame presses the sheet when it is swung to the top surface of the plate, the sheet is fixed to the top surface of the radiation shielding top plate, and even if the drug is accidentally spilled on the top plate during the administration of the radioactive drug, Can be absorbed. The radiation protection equipment can rotate the frame upward from the upper surface of the radiation shielding top, release the fixation of the sheet by the frame, and then replace the sheet that has absorbed the radiopharmaceutical with a new one. Can be used in a clean and uncontaminated state. Even if the radiation protection equipment accidentally spills radiopharmaceuticals on the radiation shielding top plate of the injection table, the top plate can be kept clean by replacing the sheet that has absorbed the drugs. It is possible to prevent radiation of the examinee and the practitioner due to the drug.

  The radiation protection equipment having the first feature, wherein the injection table has a pedestal provided with a caster capable of moving it, and the radiation shielding top plate and the radiation shielding side plate are installed on the pedestal. Can move the injection table using a caster, so that one injection table is moved to the vicinity of different examinees, and the radiopharmaceutical is administered to those examinees. Can do. When the practitioner approaches the subject to remove the injection needle, the radiation protection equipment can approach the subject while protecting the radiation emitted from the subject using the injection table. The needle can be separated from the subject while protecting the radiation radiated from the subject using the injection table after the withdrawal of the needle.

  In the radiation protection equipment having the first feature, the radiation protection equipment in which a stopper for stopping the movement of the injection table by the caster is installed on the base, the injection table is stopped in the vicinity of the subject to be inspected by using the stopper. Thus, inadvertent movement of the injection table during drug administration operations such as when a radiopharmaceutical is injected or when a needle is removed after administration can be prevented. The radiation protection equipment can inject radiopharmaceuticals and remove needles while stopping the movement of the injection table with a stopper. Therefore, the radiopharmaceutical is administered while maintaining the safety of the subject. be able to.

  In the radiation protection equipment having the first feature, the width dimension of the radiation shielding top plate and the radiation shielding side plate is in the range of 30 to 70 cm, the length dimension of the radiation shielding top plate is in the range of 30 to 50 cm, and the height of the radiation shielding side plate is high. The radiation protection equipment having a height dimension in the range of 50 to 80 cm has a radiation shielding top plate having the width dimension and the length dimension when the practitioner administers a radiopharmaceutical to the subject. The radiation shielding side plate having the width dimension and the height dimension prevents radiation from the lower body from being exposed to the upper body of the practitioner. In order to prevent exposure, the practitioner is not exposed to radiation emitted from the whole body of the examinee during drug administration work such as when a radiopharmaceutical is injected or the needle is removed after administration. Covered It is possible to prevent reliably.

  In the radiation protection equipment having the first characteristic, the radiation protection equipment in which the radiation shielding screen is made of a lead plate or radiation shielding glass, the radiation emitted from the subject is made of the lead plate or radiation shielding glass. The shield is securely shielded by the screen, the top plate, and the side plate, so that the operator is not exposed to the radiation emitted from the examinee, and the exposure of the operator can be prevented. In addition, when the radiation shielding screen is made of radiation shielding glass, even if the entire upper body of the operator is hidden by the radiation shielding glass, the operator can see the subject and the injection table through the glass, Administration of radiopharmaceuticals can be performed without hindrance. The radiation protection equipment can shield the entire upper body and lower body including the practitioner's head from radiation, and radiation emitted from the whole body of the subject during injection of the radiopharmaceutical and when the needle is removed after administration. Therefore, the entire upper body and lower body of the practitioner are not exposed, and the practitioner can be reliably prevented from being exposed.

  According to the radiation protection equipment having the second feature, even if radiation is radiated from the whole body of the examinee during the drug administration operation when the practitioner administers the radiopharmaceutical to the examinee, The radiation shielding screen prevents the radiation of radiation emitted from the upper body of the subject from being exposed to the upper body of the subject, and the radiation shielding top plate installed on the injection table is used for the radiation operator radiated from the lower half of the subject. In addition to preventing the upper body from being exposed to radiation, the radiation shielding side plate installed on the injection table prevents radiation from the lower body of the subject to be exposed to the lower body of the operator. The operator is not exposed to radiation radiated from the whole body of the examinee when the needle is withdrawn, and the exposure of the operator can be reliably prevented. In the radiation protection equipment, the height of the support member can be adjusted in the vertical direction via the lifting mechanism, and the height of the radiation shielding screen can be adjusted according to the height of the operator. Thus, the practitioner can be concealed, and the exposure of the practitioner due to radiation emitted from the examinee can be reliably prevented.

  In the radiation protection equipment having the second feature, the radiation protection equipment installed on the pedestal provided with a caster for moving the injection table and the obstacle to move the injection table and the obstacle simultaneously using the caster. Therefore, the trouble of separately moving the injection table and the obstacle to the vicinity of the subject can be saved, and the administration of the radiopharmaceutical can be performed smoothly. When the practitioner approaches the subject for removal of the injection needle, the radiation protection equipment can approach the subject while protecting the radiation emitted from the subject, It is possible to move away from the subject while protecting the radiation emitted from the examiner.

  In the radiation protection equipment having the second feature, the radiation protection equipment in which the stopper for stopping the movement of the injection table and the obstacle by the caster is installed on the base, the injection table and the obstacle are inspected using the stopper. It can be stopped in the vicinity of the person, and inadvertent movement of the injection table and the obstacle can be prevented at the time of injection of the radiopharmaceutical or at the time of withdrawal of the injection needle after administration. The radiation protection equipment maintains the safety of the subject because it can perform drug administration operations such as injection of radiopharmaceuticals and needle removal while the movement of the injection table and obstacle is stopped by a stopper. The administration of the radiopharmaceutical can be performed.

  In the radiation protection equipment having the second feature, the height dimension of the radiation shielding screen is in the range of 40 to 80 cm, the width dimension of the radiation shielding screen is in the range of 30 to 50 cm, and the radiation shielding top plate and the radiation shielding side plate are The width dimension is in the range of 30 to 70 cm and is the same as or larger than the width dimension of the radiation shielding screen, the length dimension of the radiation shielding top plate is in the range of 30 to 50 cm, and the height dimension of the radiation shielding side plate is 50 to The radiation protection facility in the range of 80 cm is used to perform radiation treatment in which when the practitioner administers a radiopharmaceutical to the subject, the radiation shielding screen having the height and width dimensions is emitted from the upper body of the subject. The radiation shielding top plate having the width dimension and the length dimension prevents radiation from the lower body of the subject to be exposed to the upper body of the operator. In addition, since the radiation shielding side plate having the width dimension and the height dimension prevents the radiation emitted from the lower half of the examinee from being exposed to the lower half of the operator, the injection needle can be used at the time of injection of the radiopharmaceutical or after administration. The operator is not exposed to the radiation radiated from the whole body of the examinee during the drug administration operation such as when the needle is removed, and the exposure of the operator can be surely prevented.

  In the radiation protection equipment having the second feature, the radiation protection equipment in which the radiation shielding screen, the radiation shielding top plate, and the radiation shielding side plate are made of a lead plate or radiation shielding glass, It is shielded reliably by screens, top plates, and side plates made of lead plates and radiation shielding glass, so that the operator is not exposed to the radiation emitted from the examinee and can prevent exposure of the operator. . In addition, when the radiation shielding screen is made of radiation shielding glass, even if the entire upper body of the operator is hidden by the radiation shielding glass, the operator can see the subject and the injection table through the glass, Administration of radiopharmaceuticals can be performed without hindrance. The radiation protection equipment can shield the entire upper body, including the operator's head, from radiation, and operates on the radiation emitted from the whole body of the subject during injection of the radiopharmaceutical or when the needle is removed after administration. The entire upper body of the person is not exposed, and the exposure of the practitioner can be reliably prevented.

In the radiation protection equipment having the first and second features, the radiation protection equipment in which the radiopharmaceutical is ¹⁸ F-2-fluoro-2-deoxyglucose injection, ¹⁸ F-2-fluoro-2-deoxyglucose injection Is administered to the subject, radiation is emitted from the entire body of the subject, but radiation emitted from the subject during drug administration operations such as when a radiopharmaceutical is injected or when the needle is removed after administration. Is shielded by the radiation shielding screen, the radiation shielding top plate, and the radiation shielding side plate, so that the practitioner is not exposed to the radiation radiated from the examinee, and the practitioner can be prevented from being exposed.

The perspective view of the obstacle shown as an example. FIG. FIG. FIG. An enlarged view of the floor stopper. An enlarged view of the floor stopper. The perspective view of the injection table shown as an example. The rear view of an injection table. The side view of an injection table. The figure explaining the usage example of an injection table. The figure explaining the usage example of an injection table. Explanatory drawing of the preparation of the radiopharmaceutical administration operation. The figure explaining an example of administration work of a radiopharmaceutical. The perspective view of the radiation protection equipment shown as another example. The side view of the radiation protection equipment of FIG. The figure explaining an example of administration work of a radiopharmaceutical.

  The radiation protection equipment according to the present invention will be described in detail with reference to the accompanying drawings such as FIG. 1 which is a perspective view of the obstacle 11 shown as an example. 2 is a front view of the obstacle 11, and FIGS. 3 and 4 are side views of the obstacle 11. 5 and 6 are enlarged views of the floor stopper 22. In FIG. 1, the vertical direction is indicated by an arrow L, the front-rear direction is indicated by an arrow M, and the width direction is indicated by an arrow N. In FIG. 4, the state in which the shaft 33 (support member 14) is extended upward and downward and the height of the radiation shielding screen 15 is increased is indicated by a two-dot chain line in comparison with FIG. 3. FIG. 6 shows a state where the movement of the obstacle 11 is stopped by the stopper 22.

The radiation protection equipment 10A is used to shield radiation radiated from the subject 17 and prevent the operator 18 from being exposed in the examination using the radiopharmaceutical. Examples of the radiopharmaceutical include ¹⁸ F-2-fluoro-2-deoxyglucose injection (hereinafter referred to as FDG injection), but the radiopharmaceutical is not particularly limited, and includes all in vivo diagnostic agents. Tests using radiopharmaceuticals include all tests using in vivo diagnostics, including malignant tumor diagnosis, ischemic heart disease diagnosis, and refractory partial epilepsy diagnosis. This radiation protection equipment 10A is composed of an obstacle 11 and an injection table 12 (see FIG. 12). In some cases, the radiation protection equipment 10 </ b> A includes only the obstacle 11.

  The obstacle 11 is formed of a base 13 and a support member 14, a radiation shielding screen 15 and a storage table 16, and is disposed between the subject 17 and the practitioner 18 with the injection table 12 in between (FIG. 13). reference). The pedestal 13 is made of stainless steel, and includes a pedestal central portion 19 and four leg portions 20 that extend radially outward from the pedestal central portion 19. A caster 21 that supports the obstacle 11 so as to be movable is installed at the distal end portions of the leg portions 20.

  A stopper 22 that stops the movement of the obstacle 11 is installed at the center 19 of the table. The caster 21 is rotatably attached to the tip end portion of the leg portion 20 via a mounting bolt. The obstacle 11 can be freely moved through the caster 21. Although not shown, the caster 21 is provided with a stopper for stopping the rotation of the wheel.

  As shown in FIG. 5, the stopper 22 is attached below the base part 19 of the base 13. An existing floor stopper 22 is used as the stopper 22. The floor stopper 22 includes a shaft leg 23 extending in the vertical direction, a mounting bracket 24 positioned at the upper end of the shaft leg 23, an installation bracket 25 positioned at the lower end of the shaft leg 23, a locking lever 26, and a release lever 27. . The floor stopper 22 has its mounting bracket 24 fixed to the center portion 19 of the base 13 through fixing means (welding, bolting, etc.). A spring 28 is built in the shaft leg 23, and a rubber 29 is attached to the lower surface of the installation bracket 25.

  In the floor stopper 22, as shown in FIG. 6, when the locking lever 26 is stepped on with the foot and the lever 26 is lowered, the release lever 27 moves upward and the shaft leg 23 is affected by the elastic force of the spring 28. The installation bracket 25 (rubber 29) contacts the road surface 30 to grip the road surface 30 and stops the movement of the obstacle 11 by the casters 21. In order to release the grip of the road surface 30 by the installation bracket 25, the release lever 27 is stepped on with a foot and the lever 27 is lowered. When the release lever 27 is lowered, the lock lever 26 is moved upward, the shaft leg 23 is retracted upward by the elastic force of the spring 28, and the installation fitting 25 is moved above the road surface 30. The grip on the road surface 30 is released.

  The support member 14 includes a cylindrical metal casing 31 installed immediately above the center part 19 of the pedestal 13, a vertically long metal cylinder 32 installed immediately above the casing 31, and a casing. 31 and a metal shaft 33 inserted through the cylindrical body 32. The casing 31 incorporates an existing screw jack (elevating mechanism) (not shown), and a spoke handle 34 for operating the screw jack is attached. The screw jack moves the shaft 33 (support member 14) upward and downward in the vertical direction and adjusts the vertical height of the shaft 33 and adjusts the height of the radiation shielding screen 15 from the road surface 30. .

  For example, when the spoke handle 34 is rotated in the clockwise direction, the shaft 33 gradually moves upward and downward, and the height of the radiation shielding screen 15 from the road surface 30 is increased as shown by a two-dot chain line in FIG. Conversely, when the handle 34 is rotated counterclockwise, the shaft 33 gradually moves downward in the vertical direction, and the height of the partition 15 from the road surface 30 can be lowered.

  The cylinder 32 functions as a protective cylinder that prevents the shaft 33 from being bent, and also stops the movement of the shaft 33 by a screw jack, and keeps the height of the radiation shielding screen 15 from the road surface 30 constant. The lower end portion of the cylindrical body 32 is fixed to the upper end portion of the housing 31 via fixing means (welding, bolting, etc.). A set collar 35 (stopper) that stops the vertical movement of the shaft 33 is installed at the upper end of the cylindrical body 32. By tightening the bolt 36 of the set collar 35 and tightening the shaft 33 with the set collar 35, the shaft 33 and the set collar 35 (tubular body 32) are fixed, and the vertical movement of the shaft 33 is prevented. Conversely, by loosening the bolts 36 of the set collar 35 and releasing the fixation between the shaft 33 and the set collar 35 (tubular body 32), the shaft 33 is moved upward and downward in the vertical direction using a screw jack. Can be moved.

  The radiation shielding screen 15 is installed at the upper end portion of the shaft 33 and extends upward from the upper end portion of the shaft 33. The radiation shielding screen 15 is fixed to the center of the mounting base 37 installed at the upper end portion of the shaft 33 through fixing means (welding, bolting, etc.), and has a triangular shape 2 extending upward from both sides in the width direction of the mounting base 37. It is supported by a single support plate 38. The radiation shielding screen 15 is formed in a vertically long rectangle having a predetermined area, and has upper and lower ends 39 and 40 extending in the width direction, and both side edges 41 and 42 extending in the vertical direction.

  The radiation shielding screen 15 is made of a rectangular lead plate (not shown) that is long in the vertical direction and a stainless cover plate 43 that covers the entire lead plate. Or it is made from the radiation shielding glass 43 (lead glass). The radiation shielding screen 15 has a dimension (height dimension) of both side edges 41 and 42 in a range of 40 to 80 cm. When the radiation shielding screen 15 is made of a lead plate and a cover plate 43, the size of the side edges 41 and 42 is preferably 50 cm. When the radiation shielding screen 15 is made of the radiation shielding glass 43, the size of the side edges 41 and 42 is preferably 70 to 80 cm, and the size of the side edges 41 and 42 is set to 70 to 80 cm. The entire upper body including the 18 heads can be hidden by the radiation shielding screen 15. In the radiation shielding screen 15, the dimension (width dimension) of the upper and lower end portions 39, 40 is in the range of 30 to 50 cm, preferably 40 cm. The lead plate has a thickness in the range of 3 to 5 mm, preferably 3 mm. The radiation shielding glass 43 has a thickness in the range of 4 to 6 mm.

  When the dimension (height dimension) of both side edges 41 and 42 of the radiation shielding screen 15 is less than 40 cm and the dimension (width dimension) of the upper and lower end portions 39 and 40 is less than 30 cm, the area of the partition 15 is reduced. The upper body of the practitioner 18 cannot be hidden by the screen 15 and it is difficult to prevent the practitioner 18 from being exposed to radiation. When the dimensions of the side edges 41 and 42 of the radiation shielding screen 15 exceed 80 cm and the dimensions of the upper and lower ends 39 and 40 exceed 50 cm, the area of the screen 15 becomes unnecessarily large, and the work of the practitioner 18 is performed. There are cases where the screen 15 is obstructed by the screen 15 and becomes an obstacle to the administration of the radiopharmaceutical. If the thickness of the lead plate is less than 3 mm or the thickness of the radiation shielding glass 43 is less than 4 mm, radiation may not be reliably shielded by the radiation shielding screen 15. When the thickness of the lead plate exceeds 5 mm, the weight of the obstacle 11 is increased, and the obstacle 11 may not be smoothly moved.

  Since the obstacle 11 has the height and width dimensions of the radiation shielding screen 15 within the above ranges, the screen 18 can sufficiently hide the practitioner 18, and the screen 15 can be used to prevent the operator 18 from being exposed. Can be prevented. In particular, when the radiation shielding screen 15 is made of the radiation shielding glass 43 and the dimension (height dimension) of the side edges 41 and 42 is 70 to 80 cm, the upper body including the head of the operator 18 Since the whole can be concealed by the screen 15, the entire upper body including the head of the practitioner 18 can be shielded from radiation, and the entire upper body of the practitioner 18 is not exposed to the radiation. It is possible to reliably prevent exposure. Since the thickness of the lead plate and the radiation shielding glass 43 is in the above range, the obstacle 11 can sufficiently shield radiation, and the weight of the obstacle 11 does not increase more than necessary. Can be moved freely.

  The storage table 16 (fallable table) is installed at the upper end of the shaft 33 (support member 14). The storage table 16 is formed of a first storage table 16A that extends forward in the front-rear direction of the radiation shielding screen 15, and a second storage table 16B that extends rearward in the front-rear direction of the screen 15. These storage bases 16A and 16B have substantially the same width dimensions as the upper and lower end portions 39 and 40 (width dimensions) of the radiation shielding screen 15, and as indicated by arrows in FIG. ) Can be turned from the upper end to the lower end of the support member 14. The fixing portion 45 of the table fitting 44 is fixed to the mounting base 37 with screws (not shown). These storage bases 16A and 16B are fixed to the turning portion 46 of the table fitting 44 by screws (not shown).

  As shown by a two-dot chain line in FIG. 3, the storage table 16 </ b> A, 16 </ b> B is turned to the lower end portion of the support member 14, and as shown by a solid line in FIG. 3, the storage table 16 </ b> A, 16 </ b> B is When the storage bases 16A and 16B become substantially horizontal, a lock mechanism (not shown) of the table fitting 44 is actuated, and the turning downward of the turning portion 46 of the table fitting 44 is prevented. 46 is fixed and the horizontal state of the storage bases 16A and 16B is maintained. When a lock release button (not shown) of the table fitting 44 is pushed, the lock mechanism is released, the turning part 46 turns downward, and the storage table 16A, 16B is moved from the upper end to the lower end of the support member 14 accordingly. It can turn toward and can fold up the storage bases 16A and 16B.

  FIG. 7 is a perspective view of an injection table 12 shown as an example, and FIG. 8 is a rear view of the injection table 12. FIG. 9 is a side view of the injection table 12, and FIGS. 10 and 11 are diagrams illustrating an example of use of the injection table 12. In FIG. 7, the vertical direction is indicated by an arrow L, the front-rear direction is indicated by an arrow M, and the width direction is indicated by an arrow N. In FIG. 7, the frame 52 is shown as being turned upward from the upper surface of the radiation shielding top plate 49. FIG. 8 shows a state where the movement of the injection table 12 is stopped by the stopper.

  The injection table 12 is formed of a pedestal 47 and a top plate 48, a radiation shielding top plate 49 and a radiation shielding side plate 50, a sheet 51 and a frame 52. The injection table 12 is arranged between the subject 17 and the practitioner 18 with the obstacle table 11 interposed therebetween. In the injection table 12, the radiation shielding top plate 49 and the radiation shielding side plate 50 form a substantially L-shaped radiation barrier that shields radiation emitted from the lower body including the abdomen of the subject 17 seated on the chair 53. (See FIG. 13).

  The pedestal 47 includes four vertical legs 54 made of stainless steel extending in the vertical direction, a reinforcing leg 55 made of stainless steel extending in the front-rear direction and the width direction, two horizontal legs 56 made of stainless steel extending in the front-rear direction, and a width. It is made of one attachment leg 57 made of stainless steel extending in the direction and four casters 58 attached to the horizontal leg 56. The legs 54 to 57 are connected to each other through fixing means (welding, bolting, etc.) at their intersections. The casters 58 are rotatably attached to the horizontal legs 56 via mounting bolts (not shown).

  The injection table 12 can be freely moved through the caster 58. Although not shown, the caster 58 is provided with a stopper for stopping the rotation of the wheel. A floor stopper 22 for stopping the movement of the injection table 12 is installed in the center in the width direction of the mounting leg 57 of the base 47. Since the floor stopper 22 is the same as that shown in FIGS. 5 and 6, the description of FIG.

  The top plate 48 is made of stainless steel and is connected to the vertical legs 54 via fixing means (welding, bolting, etc.). The radiation shielding top plate 49 is fixed to the upper portion of the top plate 48 via fixing means (welding, bolting, etc.). The radiation shielding top plate 49 is molded into a rectangular shape having a predetermined area and long in the width direction, and has front and rear end portions 59 and 60 extending in the width direction, and both side edge portions 61 and 62 extending in the front and rear direction.

  The radiation shielding top plate 49 is made of a rectangular lead plate (not shown) that is long in the vertical direction and a stainless steel cover plate 63 that covers the entire lead plate. Or it is made from the radiation shielding glass 63 (lead glass). The radiation shielding top plate 49 has front and rear end portions 59 and 60 having dimensions (width dimensions) in the range of 30 to 70 cm, and both side edge portions 61 and 62 have dimensions (length dimensions) in the range of 30 to 50 cm. The lead plate has a thickness in the range of 3 to 5 mm, preferably 3 mm. The radiation shielding glass 63 has a thickness in the range of 4 to 6 mm.

  When the dimension (width dimension) of the front and rear end portions 59, 60 of the radiation shielding top plate 49 is less than 30 cm and the dimension (length dimension) of the side edge portions 61, 62 is less than 30 cm, the area of the top plate 49 is small. Thus, the top plate 49 cannot hide the lower body including the abdomen of the subject 17 and it is difficult to shield the radiation emitted from the subject 17. If the dimensions of the front and rear end portions 59, 60 of the radiation shielding top plate 49 exceed 70 cm and the dimensions of the side edge portions 61, 62 exceed 50 cm, the area of the top plate 49 becomes larger than necessary. May interfere with the administration of radiopharmaceuticals. If the thickness of the lead plate is less than 3 mm or the thickness of the radiation shielding glass 63 is less than 4 mm, radiation may not be reliably shielded by the radiation shielding top plate 49. If the thickness of the lead plate exceeds 5 mm, the weight of the injection table 12 may increase, and the injection table 12 may not be moved smoothly.

  The radiation shielding side plate 50 is installed in front of the subject 17 (see FIG. 12). The radiation shielding side plate 50 is fixed to the vertical column 54, the reinforcing leg 55, and the intermediate portion of the top plate 48 through fixing means (welding, bolting, etc.), and extends downward from the intermediate portion of the top plate 48. The radiation shielding side plate 50 is molded into a vertically long rectangle having a predetermined area, and has upper and lower ends 64 and 65 extending in the width direction, and both side edges 66 and 67 extending in the vertical direction.

  The radiation shielding side plate 50 is made of a rectangular lead plate (not shown) that is long in the width direction, and a stainless cover plate 68 that covers the entire lead plate. Or it is made from the radiation shielding glass 68 (lead glass). The radiation shielding side plate 50 has the same dimensions (width dimensions) of the upper and lower end portions 64 and 65 as those of the radiation shielding top plate 49, and is in the range of 30 to 70 cm. Dimension) is in the range of 50-80 cm. The lead plate has a thickness in the range of 3 to 5 mm, preferably 3 mm. The radiation shielding glass 68 has a thickness in the range of 4 to 6 mm.

  When the dimension (width dimension) of the upper and lower end portions 64, 65 of the radiation shielding side plate 50 is less than 30 cm and the dimension (height dimension) of the side edge portions 66, 67 is less than 50 cm, the area of the side plate 50 becomes small. The side plate 50 cannot hide the lower body including the abdomen of the subject 17 and it is difficult to shield the radiation emitted from the subject 17. If the thickness of the lead plate is less than 3 mm or the thickness of the radiation shielding glass 68 is less than 4 mm, radiation may not be reliably shielded by the side plate 50. If the thickness of the lead plate exceeds 5 mm, the weight of the injection table 12 may increase, and the injection table 12 may not be moved smoothly.

  The sheet 51 is placed on the upper surface of the radiation shielding top plate 49 in a replaceable manner. For the sheet 51, a hydrophilic fiber nonwoven fabric, woven fabric, knitted fabric, or hydrophilic paper is used. When the radioactive medicine is accidentally spilled on the radiation shielding top plate 49, the sheet 51 absorbs the radioactive medicine and keeps the top plate 49 clean. Examples of the fiber nonwoven fabric include a chemical bond nonwoven fabric, a thermal bond nonwoven fabric, an airlaid nonwoven fabric, a spunbond nonwoven fabric, a melt blown nonwoven fabric, a spunlace nonwoven fabric, a needle punch nonwoven fabric, and a stitch bond nonwoven fabric that have been subjected to a hydrophilic treatment.

  The frame 52 is made of stainless steel, and its planar shape is molded into a rectangle that is long in the width direction. The frame 52 is installed on a side edge 61 (one side edge) of the radiation shielding top plate 49 via a hinge 69 (turning means). The frame 52 can be swung upward from the upper surface of the radiation shielding top plate 49 around a hinge 69 (side edge portion 61) as indicated by an arrow in FIG.

  In the injection table 12, the frame 52 is swung upward from the top surface of the radiation shielding top plate 49, the sheet 51 is placed on the top surface of the top plate 49, and then the frame 52 is swung downward toward the top surface of the top plate 49. When the frame 52 is turned toward the upper surface of the radiation shielding top plate 49, as shown in FIG. 11, the frame 52 contacts the front and rear end portions 59, 60 and the side edge portions 61, 62 (peripheral portions) of the top plate 49. The sheet 51 is pressed by the frame 52. The sheet 51 is fixed to the upper surface of the top plate 49 while being sandwiched between the front and rear end portions 59 and 60 and both side edge portions 61 and 62 of the radiation shielding top plate 49 and the frame 52. In order to remove the sheet 51 from the upper surface of the radiation shielding top plate 49, the frame 52 is pivoted above the top plate 49 and the pressing of the sheet 51 by the frame 52 is released.

  FIG. 12 is an explanatory diagram of preparation for a radiopharmaceutical administration operation, and FIG. 13 is a diagram illustrating an example of a radiopharmaceutical administration operation. The administration operation will be described by taking as an example the case where an FDG injection solution is administered to a subject as a radiopharmaceutical. When administering the FDG injection solution to the subject 17, the practitioner 18 turns the frame 52 of the injection table 12 upward from the upper surface of the radiation shielding top plate 49 and places a new sheet 51 on the upper surface of the top plate 49. After the sheet 51 is placed on the upper surface of the radiation shielding top plate 49, the frame 52 is turned downward toward the upper surface of the top plate 49, and the sheet 51 is fixed to the upper surface of the top plate 49 by the frame 52.

  The practitioner 18 uses the casters 58 to bring the injection table 12 close to the chair 53 on which the subject 17 sits. The practitioner 18 depresses the locking lever 26 of the floor stopper 22 with his / her foot and lowers the lever 26 to ground the installation bracket 25 (rubber 29) to the road surface 30 to stop the movement of the injection table 12 by the casters 58. . In addition, the rotation of the wheels of the caster 58 is stopped using a stopper installed on the caster 58.

  The subject 17 sits on a chair 53 disposed on the opposite side of the radiation shielding side plate 50 of the injection table 12 as shown in FIG. When the subject 17 sits on the chair 53, when the injection table 12 is viewed from the front (in front of the radiation shielding side plate 50), the lower body including the abdomen of the subject 17 is exposed to the radiation shielding top plate 49 of the injection table 12. It is hidden by the radiation shielding side plate 50. Next, the practitioner 18 adjusts the vertical height of the shaft 33 by rotating the spoke handle 34 so that his / her upper body is hidden by the radiation shielding screen 15 of the obstacle table 11, thereby increasing the height of the screen 15. Adjust the height.

  When the radiation shielding screen 15 is made of the lead plate and the cover plate 43, the upper body except the head of the practitioner 18 is hidden by the screen 15 and the screen 15 is made of the radiation shielding glass 43. The screen 15 hides the entire upper body including the head of the practitioner 18. After adjusting the height of the radiation shielding screen 15, the bolt 36 of the set collar 35 is tightened, the position of the shaft 33 is fixed, and the height of the screen 15 is fixed. The practitioner 18 adjusts the height of the radiation shielding screen 15 and then uses the caster 21 to bring the obstacle 11 closer to the injection table 12. Note that medical devices necessary for administration work such as tubes, injection needles, and disinfectants are placed on the storage bases 16A and 16B of the obstacle 11.

  The practitioner 18 releases the lock mechanism by pressing the lock release button of the table fitting 44, turns the first object table 16A downward, and folds the object table 16A. After a part of the leg 20 of the obstruction 11 is inserted under the injection table 12 and the support member 14 (radiation shielding screen 15) of the obstruction 11 is positioned in the vicinity of the radiation shielding measuring plate 50 of the injection table 12. Then, the locking lever 26 of the floor stopper 22 is stepped on with the foot, the lever 26 is lowered, the installation bracket 25 (rubber 29) is grounded on the road surface 30, and the movement of the obstacle 11 by the caster 21 is stopped. In addition, the rotation of the wheel of the caster 21 is stopped using a stopper installed on the caster 21.

  As shown in FIG. 13, the subject 17 and the practitioner 18 face each other with the injection table 12 and the obstacle 11 interposed therebetween. Therefore, when viewing the subject 17 from the practitioner 18, the chest and head of the subject 17 are hidden by the radiation shielding screen 15 of the obstacle 11, and the lower body including the abdomen of the subject 17 is the injection table 12. It is hidden by the radiation shielding top plate 49 and the radiation shielding side plate 50. Conversely, when viewing the practitioner 18 from the subject 17, the lower half of the practitioner 18 is hidden by the radiation shielding side plate 50 of the injection table 12, and the upper half of the practitioner 18 excluding the head or the upper half including the head is an obstacle. Hidden in 11 radiation shielding screens 15.

  The practitioner 18 moves the FDG injection contained in a lead case (not shown) from the case to an autoinjector (not shown), connects the tube to the autoinjector, and inserts an injection needle into the tube. Install and prepare for FDG injection. After the preparation for FDG injection is completed, the practitioner 18 releases the lock mechanism by pressing the lock release button of the table fitting 44, and turns the second object table 16B downward to fold the object table 16B. When preparation for FDG injection is completed, the subject 17 places his / her arm on the radiation shielding top plate 49 (sheet 51) of the injection table 12. The practitioner 18 stabs an injection needle into the vein of the arm of the subject 17 in a state hidden behind the radiation shielding screen 15 of the obstacle 11, turns on the auto injector, and then leaves the obstacle 11. Leave the subject 17 or wait for a predetermined time on the spot with the obstacle 11 left.

  When the switch of the autoinjector is turned on, the FDG injection solution is injected from the autoinjector into the vein of the subject 17 through the injection needle. In addition, at the time of injection of FDG or after injection, radiation is emitted from the whole body of the subject 17. After 30 to 40 seconds have elapsed since the autoinjector switch was turned on, the practitioner 18 turned off the autoinjector while being hidden by the radiation shielding screen 15 of the obstacle 11 and turned the injection needle on the subject. Remove from 17 arms. Next, the practitioner 18 removes the tube from the auto injector, and stores the tube together with the injection needle in a plastic bag. The practitioner 18 turns the second object table 16B upward to level the object table 16B, and places an auto injector or a plastic bag on the object table 16B.

  The practitioner 18 depresses the release lever 27 of the floor stopper 22 with his / her foot and lowers the lever 27 downward to release the grip of the road surface 30 by the installation bracket 25 (rubber 29) and release the stopper of the caster 21. The obstacle table 11 can be moved, the release lever 27 of the floor stopper 22 is stepped on with the foot to lower the lever 27, the grip of the road surface 30 by the installation bracket 25 (rubber 29) is released, and the stopper of the caster 58 is The injection table 12 can be moved. The practitioner 18 moves the obstacle 11 and the injection table 12 using the casters 21 and 58, and moves away from the subject 17 together with the obstacle 11 and the injection table 12.

  After leaving the subject 17, the practitioner 18 turns the frame 52 of the injection table 12 above the radiation shielding top plate 49 to release the pressing of the sheet 51 by the frame 52, and removes the old sheet 51 from the top plate 49. The new sheet 51 is placed on the top surface of the top plate 47, the frame 52 is turned downward toward the top surface of the top plate 49, and the sheet 51 is fixed to the top surface of the top plate 49 by the frame 52. The practitioner 18 again moves the obstacle table 11 and the injection table 12 close to the next subject 17 and administers the FDG injection solution to the subject 17.

  The radiation protection equipment 10 </ b> A uses the obstacle table 11 and the injection fee 12, moves the obstacle table 11 and the injection fee 12 to the vicinity of the subject 17, and uses the injection table 12 to make the practitioner 18 a subject. When a radiopharmaceutical (for example, FDG) is administered to 17, the radiation radiated from the subject 17 during the drug administration operation such as when the radiopharmaceutical is injected or when the needle is removed after administration is radiation from the obstacle table 11. Since it is shielded by the shielding screen 15 and shielded by the radiation shielding top plate 49 and the radiation shielding side plate 50 of the injection table 12, the operator 18 is not exposed to the radiation emitted from the subject 17, The exposure of the practitioner 18 can be prevented. The radiation protection equipment 10A can approach the subject 17 while protecting the radiation emitted from the subject 17 when the practitioner 18 approaches the subject 17 to remove the injection needle, It is possible to move away from the subject 17 while protecting the radiation emitted from the subject 17 after the needle extraction.

  In the radiation protection equipment 10 </ b> A, a sheet 51 that absorbs spilled radiopharmaceuticals is replaceably installed on the upper surface of the radiation shielding top plate 49 of the injection table 12, and the sheet 51 is fixed to the upper surface of the top plate 49 by the frame 52. Even if the medicine is accidentally spilled on the top plate 49 during the radioactive medicine administration operation, the medicine can be absorbed by the sheet 51. The radiation protection equipment 10A can turn the frame 52 upward from the upper surface of the radiation shielding top plate 49, release the fixation of the sheet 51 by the frame 52, and then replace the sheet 51 that has absorbed the radiopharmaceutical with a new one. The top plate 49 can be used in a clean state that is not contaminated by the medicine. Even if the radiation protection equipment 10A accidentally spills the radiopharmaceutical on the radiation shielding top plate 49 of the injection table 12, the top plate 49 can be kept clean by replacing the sheet 51 that has absorbed the medicine. Further, radiation exposure of the inspected person 17 and the practitioner 18 due to the medicine spilled on the top plate 49 can be prevented.

  In the radiation protection equipment 10 </ b> A, the shaft 33 (support member 14) moves up and down via a screw jack (elevating mechanism), and the height of the radiation shielding screen 15 can be adjusted according to the height of the practitioner 18. Therefore, the practitioner 18 can be concealed using the partition 15, and the exposure of the practitioner 18 due to radiation radiated from the subject 17 can be reliably prevented. When the radiation shielding screen 15 is made of the radiation shielding glass 43, even if the entire upper body including the head of the practitioner 18 is hidden by the radiation shielding glass 43, the practitioner 18 passes the glass The injection table 12 can be seen, and the administration of the radiopharmaceutical can be performed without any trouble. In addition, the entire upper body including the head of the practitioner 17 can be shielded from radiation. The entire upper body of the practitioner 18 is not exposed to the applied radiation, and the exposure of the practitioner 18 can be reliably prevented.

  In the radiation protection equipment 10A, the injection table 12 has a pedestal 47 provided with casters 58, and the injection table 12 can be freely moved using the casters 58. While moving to the vicinity of the examiner 17, the radiopharmaceutical can be administered to the examinee 17. The radiation protection equipment 10A uses the injection table 12 to protect the radiation radiated from the subject 17 when the practitioner 18 approaches the subject 17 to remove the injection needle. 17 can be moved away from the inspected person 17 while protecting the radiation emitted from the inspected person 17 by using the injection table 12 after the withdrawal of the needle.

  10 A of radiation protection equipment has the base 13 in which the obstacle 11 was provided with the caster 21, and can move the obstacle 11 freely using the caster 21, Therefore The obstacle 11 is optimal from the test subject 17 It can be moved to any distance. Since the radiation protection equipment 10A can place medical tools necessary for the inspection on the table 16A, 16B, these medical tools are used for drug administration work such as when a radiopharmaceutical is injected or when a needle is removed after administration. It can be used, and injection and needle removal can be performed smoothly using the medical device placed on the storage table 16A, 16B. Since the radiation protection equipment 10A can turn the storage table 16A, 16B to the lower end of the support member 14, the storage table 16A, 16B can be folded when the storage table 16A, 16B is not used, and can be removed at the time of injection. The storage tables 16A and 16B do not interfere with the needle, and injection and needle extraction can be performed smoothly.

  The radiation protection equipment 10A can stop the obstacle 11 and the injection table 12 in the vicinity of the subject 17 using the floor stopper 22, and can inject the injection needle after the injection of the radiopharmaceutical or the like. Inadvertent movement of the obstacle 11 and the injection table 12 in the drug administration operation can be prevented. Since the radiation protection equipment 10A can inject the radiopharmaceutical and remove the needle while the movement of the obstacle 11 and the injection table 12 is stopped by the floor stopper 22, the safety of the subject 17 is maintained. In addition, the radiopharmaceutical can be administered.

  FIG. 14 is a perspective view of a radiation protection equipment 10B shown as another example, and FIG. 15 is a side view of the radiation protection equipment 10B of FIG. In FIG. 14, the vertical direction is indicated by an arrow L, the front-rear direction is indicated by an arrow M, and the width direction is indicated by an arrow N. This radiation protection equipment 10 </ b> B includes an injection table 12 and an obstacle 11 located on the opposite side of the subject 17 across the injection table 12. In the radiation protection equipment 10B, the obstacle 11 and the injection table 12 are installed on the pedestal 70, and the obstacle 11 and the injection table 12 are integrated.

  The pedestal 70 includes four support legs 71 made of stainless steel extending in the vertical direction, two reinforcing legs 72 made of stainless steel extending in the front-rear direction, one attachment leg 73 made of stainless steel extending in the width direction, and a support. The caster 74 is attached to the leg 71 and the reinforcing leg 72. The caster 74 is rotatably attached to the legs 71 and 72 via attachment bolts. The radiation protection equipment 10 </ b> B can be moved freely via the casters 74. Although not shown, the caster 74 is provided with a stopper for stopping the rotation of the wheel. In the center of the mounting leg 73 of the pedestal 70, a stopper 22 for stopping the movement of the radiation protection equipment 10B is installed. A floor stopper 22 is used as the stopper 22 (see FIGS. 5 and 6). Since the floor stopper 22 is the same as that shown in FIGS. 5 and 6, the description of FIG.

  The injection table 12 is formed of a stainless steel top plate 48, a radiation shielding top plate 49 and a radiation shielding side plate 50. The injection table 12 is located between the subject 17 and the practitioner 18 with the obstacle 11 interposed therebetween. In the injection table 12, the radiation shielding top plate 49 and the radiation shielding side plate 50 form an L-shaped radiation barrier that shields radiation radiated from the lower body including the abdomen of the subject 17 seated on the chair 53 ( FIG. 15).

  The top plate 48 is fixed to each footnote 71 through fixing means (welding, bolting, etc.). The radiation shielding top plate 49 is fixed to the upper portion of the top plate 48 via fixing means (welding, bolting, etc.) and extends in the front-rear direction. The radiation shielding top plate 49 is molded into a rectangular shape having a predetermined area and long in the width direction, and has front and rear end portions 59 and 60 extending in the width direction, and both side edge portions 61 and 62 extending in the front and rear direction. The radiation shielding top plate 49 is made of a rectangular lead plate (not shown) that is long in the width direction and a stainless steel cover plate 63 that covers the entire lead plate. Or it is made from the radiation shielding glass 63 (lead glass). In the radiation shielding top plate 49, the dimensions (width dimensions) of the front and rear end portions 59, 60 are larger than the dimensions (width dimensions) of the upper and lower end portions 39, 40 of the radiation shielding partition 15 described later. The dimensions of the front and rear ends 59, 60 of the radiation shielding top plate 49, the dimensions (length dimensions) of the side edges 61, 62, the thickness of the lead plate and the thickness of the radiation shielding glass 63 are those of the injection table 12 of FIG. Is the same.

  The radiation shielding side plate 50 is installed on the opposite side of the subject 17 with the radiation shielding top plate 49 interposed therebetween (see FIG. 15). The radiation shielding side plate 50 is fixed to the pedestal 71, the top plate 48, and the front end portion 59 of the top plate 49 via fixing means (welding, bolting, etc.), and extends downward from the front end portion 59 of the top plate 49. Yes. The radiation shielding side plate 50 is molded into a vertically long rectangle having a predetermined area, and has upper and lower ends 64 and 65 extending in the width direction, and both side edges 66 and 67 extending in the vertical direction. The radiation shielding side plate 50 is made of a rectangular lead plate (not shown) that is long in the width direction, and a stainless cover plate 68 that covers the entire lead plate. Or it is made from the radiation shielding glass 68 (lead glass). In the radiation shielding side plate 50, the dimensions (width dimensions) of the upper and lower ends 64, 65 are larger than the dimensions (width dimensions) of the upper and lower ends 39, 40 of the radiation shielding screen 15. The dimensions of the upper and lower ends 64 and 65 of the radiation shielding side plate 50, the dimensions (height dimensions) of the side edges 66 and 67, the thickness of the lead plate, and the thickness of the radiation shielding glass 68 are the same as those of the injection table 12 of FIG. It is.

  The obstacle 11 is formed of a support member 14, a radiation shielding screen 15, and a storage table 16, and is located between the subject 17 and the practitioner 18 with the injection table 12 interposed therebetween (see FIG. 15). . The support member 14 is fixed to the center of the mounting leg 73 of the pedestal 70 through fixing means (welding, bolting, etc.). The support member 14 includes a cylindrical metal casing 31 installed immediately above the mounting leg 73, a vertically extending metal cylinder 32 installed immediately above the casing 31, and the casing 31 and the cylinder. 32 and a metal shaft 33 inserted through 32. The casing 31 incorporates an existing screw jack (elevating mechanism), and a spoke handle 34 for operating the screw jack is attached. Since the casing 31, the cylinder 32, the shaft 33, and the screw jack that form the support member 14 are the same as those of the obstacle 11 of FIG. 1, the same reference numerals as those of the obstacle 11 of FIG. 1 are attached. The detailed description is omitted by using the description of FIG.

  The radiation shielding screen 15 is installed at the upper end portion of the shaft 33 and extends upward from the upper end portion of the shaft 33. The radiation shielding screen 15 is fixed to the center of the mounting base 37 installed at the upper end portion of the shaft 33 through fixing means (welding, bolting, etc.), and has a triangular shape 2 extending upward from both sides in the width direction of the mounting base 37. It is supported by a single support plate 38. The radiation shielding screen 15 is formed in a vertically long rectangle having a predetermined area, and has upper and lower ends 39 and 40 extending in the width direction, and both side edges 41 and 42 extending in the vertical direction. The radiation shielding screen 15 is made of a rectangular lead plate (not shown) that is long in the vertical direction and a stainless cover plate 43 that covers the entire lead plate. Or it is made from the radiation shielding glass 43 (lead glass). The radiation shielding screen 15 has the dimensions (height dimensions) of the side edges 41 and 42, the dimensions (width dimensions) of the upper and lower ends 39 and 40, the thickness of the lead plate and the thickness of the radiation shielding glass 43 as shown in FIG. Identical to those of fifteen.

  The storage table 16 (fallable table) is installed at the upper end of the shaft 33 (supporting member 14) and extends rearward in the front-rear direction of the radiation shielding screen 15. The width of the storage table 16 is substantially the same as the size (width size) of the upper and lower end portions 39 and 40 of the radiation shielding screen 15, and the table base 44 is pivoted from the upper end portion of the support member 14 using the turning means. It can be turned toward the lower end. Since the storage table 16 is the same as that of the obstacle 11 of FIG. 1, the same reference numerals as those of the obstacle 11 of FIG. 1 are attached, and the detailed description thereof is omitted by using the description of FIG. 1. Moreover, since the table metal fitting 44 is the same as that of the obstacle 11 of FIG. 1, the same reference numerals as those of the obstacle 11 of FIG. 1 are given, and the detailed explanation is omitted by using the explanation of FIG. To do.

  FIG. 16 is a diagram illustrating an example of a radiopharmaceutical administration operation. The administration operation will be described by taking as an example the case where an FDG injection solution is administered to a subject as a radiopharmaceutical. First, the practitioner 18 adjusts the vertical height of the shaft 33 by rotating the spoke handle 34 so that his / her upper body is hidden by the radiation shielding screen 15, and thereby adjusting the height of the screen 15. Then, the bolt 36 of the set collar 35 is tightened, the position of the shaft 33 is fixed, and the height of the partition 15 is fixed. The practitioner 18 uses the casters 74 to move the radiation protection equipment 10B to the administration site, and then steps on the locking lever 26 of the floor stopper 22 with his / her foot to lower the lever 26 downward, thereby installing the mounting bracket 25 (rubber 29). ) Is grounded to the road surface 30 to stop the movement of the radiation protection equipment 10B by the casters 21 (see FIG. 6). In addition, the rotation of the wheel of the caster 74 is stopped using a stopper installed on the caster 74.

  As shown in FIG. 16, the subject 17 sits on a chair 53 disposed on the opposite side of the radiation shielding side plate 50 of the injection table 12. When the subject 17 sits on the chair 53, when the injection table 12 is viewed from the front (in front of the radiation shielding side plate 50), the lower body including the abdomen of the subject 17 is exposed to the radiation shielding top plate 49 of the injection table 12. It is hidden by the radiation shielding side plate 50. When the radiation shielding screen 15 is made of the lead plate and the cover plate 43, the upper body except the head of the practitioner 18 is hidden by the partition 15, and when the partition 15 is made of the radiation shielding glass 43, the screen 15 Thus, the entire upper body including the head of the practitioner 18 is hidden.

  The practitioner 18 moves the FDG injection contained in a lead case (not shown) from the case to an autoinjector (not shown), connects the tube to the autoinjector, and inserts an injection needle into the tube. Install and prepare for FDG injection. After the preparation for FDG injection is completed, the practitioner 18 releases the lock mechanism by pressing the lock release button of the table fitting 44, turns the object table 16 downward, and folds the object table 16. When the preparation for FDG injection is completed, the subject 17 places his / her arm on the radiation shielding top plate 49 of the injection table. The practitioner 18 stabs an injection needle into the vein of the arm of the subject 17 in a state hidden behind the radiation shielding screen 15 of the obstacle 11 and turns on the autoinjector, and then leaves the radiation protection equipment 10B. To leave the subject 17 or wait for a predetermined time on the spot with the radiation protection equipment 10B left.

  After 30 to 40 seconds have elapsed since the autoinjector switch was turned on, the practitioner 18 turned off the autoinjector while being hidden by the radiation shielding screen 15 of the obstacle 11 and turned the injection needle on the subject. Remove from 17 arms. Next, the practitioner 18 removes the tube from the auto injector, and stores the tube together with the injection needle in a plastic bag. The practitioner 18 turns the storage table 16 upward to level the storage table 16 and places an auto-injector or a plastic bag on the storage table 16. The practitioner 18 depresses the release lever 27 of the floor stopper 22 with his / her foot and lowers the lever 27 downward to release the grip of the road surface 30 by the installation bracket 25 (rubber 29) and release the stopper of the caster 21. The caster 21 is used to move the radiation protection equipment 10B and move away from the subject 17 together with the radiation protection equipment 10B.

  When the practitioner 18 administers a radiopharmaceutical (for example, FDG) to the subject 17 using the injection table 12, the radiation protection equipment 10B is used when the radiopharmaceutical is injected or the needle is removed after administration. The radiation emitted from the examiner 17 is shielded by the radiation shielding screen 15 and shielded by the radiation shielding top plate 49 and the radiation shielding side plate 50 of the injection table 12, so that the radiation emitted from the subject 17 is treated. The person 18 is not exposed, and the exposure of the operator 18 can be prevented. The radiation protection equipment 10B can approach the subject 17 while protecting the radiation radiated from the subject 17 when the practitioner 18 approaches the subject 17 to remove the injection needle, It is possible to move away from the subject 17 while protecting the radiation emitted from the subject 17 after the needle extraction.

  The radiation protection equipment 10B has the following effects in addition to the other effects of the radiation protection equipment 10A shown in FIGS. In the radiation protection equipment 10B, since the injection table 12 and the obstacle 11 are integrated with each other via the pedestal 70, the obstacle 11 and the injection table 12 can be moved simultaneously using the caster 74. The trouble of separately moving the table 12 to the vicinity of the subject 17 can be saved, and the administration of the radiopharmaceutical can be performed easily and smoothly.

DESCRIPTION OF SYMBOLS 10A Radiation protection equipment 10B Radiation protection equipment 11 Obstacles 12 Injection table 13 Base 14 Support member 15 Radiation shielding screen 16 Object table 16A First object table 16B Second object table 17 Inspected person 18 Practitioner 21 Caster 22 Floor stopper 33 Shaft 39 Upper end 40 Lower end 41 Side edge 42 Side edge 43 Cover plate 43 Radiation shielding glass 44 Table fitting (turning means)
47 pedestal 49 radiation shielding top plate 50 radiation shielding side plate 51 sheet 52 frame 58 caster 59 front end portion 60 rear end portion 61 side edge portion 62 side edge portion 63 cover plate 63 radiation shielding glass 64 upper end portion 65 lower end portion 66 side edge portion 67 Side edge 68 Cover plate 68 Radiation shielding glass 69 Hinge (turning means)
70 pedestal 74 casters

Claims (15)

In radiation protection equipment to prevent exposure of practitioners who administer radiopharmaceuticals used for prescribed examinations to examinees,
The radiation protection equipment is a obstacle arranged between the subject and the practitioner to shield radiation emitted from the subject, and the obstacle includes a caster for moving the obstacle. A pedestal, a support member extending upward from the pedestal and adjustable in height in the vertical direction via an elevating mechanism, and a predetermined area installed on the upper end of the support member and extending upward from the support member. Radiation protection equipment characterized by being formed from a radiation shielding screen.   The obstacle includes a storage table having a predetermined area that is installed on an upper end portion of the support member via a turning means and extends to at least one of a front-rear direction front and a front-rear direction rear side of the radiation shielding screen. The radiation protection equipment according to claim 1, wherein the radiation protection equipment is capable of turning from the upper end portion to the lower end portion of the support member around the turning means.   The radiation protection equipment according to claim 1 or 2, wherein a stopper for stopping movement of the obstacle by a caster is installed on the base.   The radiation protection equipment according to any one of claims 1 to 3, wherein a height dimension of the radiation shielding screen is in a range of 40 to 80 cm, and a width dimension of the radiation shielding screen is in a range of 30 to 50 cm.   The radiation protection equipment includes an injection table that is disposed between the subject and the obstacle and shields radiation emitted from the subject, and the injection table is covered when the radiopharmaceutical is administered. A radiation shielding top plate having a predetermined area on which the arm of the examiner is placed, a radiation shielding side plate having a predetermined area installed in front of the subject and extending downward from the radiation shielding top plate, and an upper surface of the radiation shielding top plate A sheet placed so as to be exchanged and sucking up the radiopharmaceutical spilled on the top plate, and a frame installed on one side edge of the radiation shielding top plate via a turning means; The frame can be swung upward from the upper surface of the radiation shielding top plate around the turning means, and when the frame is swung to the upper surface of the radiation shielding top plate, the frame Abutting on the periphery The pressing of the sheet, radiation protection equipment according to any one of claims 1 to 4 wherein the sheet is fixed to the upper surface of the radiation shielding top plate while.   The radiation protection according to claim 5, wherein the injection table has a pedestal provided with a caster capable of moving the injection table, and the radiation shielding top plate and the radiation shielding side plate are installed on the pedestal. Facility.   The radiation protection equipment according to claim 6, wherein the pedestal is provided with a stopper for stopping movement of the injection table by a caster.   The width dimension of the radiation shielding top plate and the radiation shielding side plate is in the range of 30 to 70 cm, the length dimension of the radiation shielding top plate is in the range of 30 to 50 cm, and the height dimension of the radiation shielding side plate is 50. The radiation protection equipment according to claim 5, which is in a range of ˜80 cm.   The radiation protection equipment according to any one of claims 5 to 8, wherein the radiation shielding screen, the radiation shielding top plate, and the radiation shielding side plate are made of a lead plate or radiation shielding glass. In radiation protection equipment to prevent exposure of practitioners who administer radiopharmaceuticals used for prescribed examinations to examinees,
The radiation protection equipment is formed of an injection table and an obstacle located on the opposite side of the subject with the injection table interposed therebetween, and the injection table extends in the front-rear direction and is used for administration of the radiopharmaceutical. A radiation shielding top plate having a predetermined area on which the arm of the examinee is placed, and a radiation shielding side plate having a predetermined area installed in front of the examinee and extending downward from the radiation shielding top plate;
The obstacle is located on the opposite side of the subject to be inspected with the radiation shielding side plate in between, and a support member capable of adjusting the height in the vertical direction via an elevating mechanism, and installed at the upper end of the support member. A radiation shielding screen having a predetermined area extending above the support member, and a storage table having a predetermined area which is installed on the upper end portion of the support member via a turning means and extends rearward in the front-rear direction of the radiation shielding screen. The radiation protection equipment is characterized in that the storage table can be turned from the upper end portion to the lower end portion of the support member around the turning means.   The radiation protection equipment according to claim 10, wherein the injection table and the obstacle are installed on a pedestal provided with a caster for moving them.   The radiation protection equipment according to claim 11, wherein a stopper for stopping movement of the injection table and the obstacle by a caster is installed on the pedestal.   The height dimension of the radiation shielding screen is in the range of 40 to 80 cm, the width dimension of the radiation shielding screen is in the range of 30 to 50 cm, and the width dimension of the radiation shielding top plate and the radiation shielding side plate is 30 In the range of ~ 70 cm, the same as or larger than the width dimension of the radiation shielding screen, the length dimension of the radiation shielding top plate being in the range of 30-50 cm, and the height dimension of the radiation shielding side plate, The radiation protection equipment according to any one of claims 10 to 12, which is in a range of 50 to 80 cm.   The radiation protection equipment according to any one of claims 10 to 13, wherein the radiation shielding screen, the radiation shielding top plate, and the radiation shielding side plate are made of a lead plate or radiation shielding glass. The radiation protection equipment according to any one of claims 1 to 14, wherein the radiopharmaceutical is an ¹⁸ F-2-fluoro-2-deoxyglucose injection solution.

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