Accurate positioning dosage detection device for ion type probe in water body

Abstract

The utility model relates to the technical field of water mold bodies, in particular to an ion type probe accurate positioning dosage detection device in a water mold body, which comprises a water mold body and a probe fixing unit, and is characterized in that the water mold body is of a cylindrical structure and is provided with a plurality of open holes from top to bottom; the probe fixing unit comprises an ionic probe, a spacer block and an initial spacer column, a through hole is formed in the center of the spacer block, an opening groove is formed in the upper portion of the spacer block, and the initial spacer column abuts against the ionic probe, so that the problem that the ionic probe is fixed at different points in the rotating water mold body can be solved; and the diameter of the open hole is larger than that of the ion type probe, so that the ion type probe can rotate in the open hole of the water die body when the water die body rotates around the bulb tube, and the problem of wire twisting is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to water model body technical field, concretely is ion formula probe accurate positioning dose detection device in water model body. BACKGROUND

[0002] Ion formula probe needs to be put into the different positions of the irradiation cup water model body of irradiation instrument rotating mechanism to carry out dose measurement, the irradiation cup is connected with the bottom rotating mechanism, and the irradiated cup is rotated by rotating mechanism, because the irradiation cup is rotated around the ball tube, and because the tail of ion formula probe is connected with cable, there is the problem of cable winding in the process of rotating, therefore, the relative position of ion formula probe in the water model body should not be changed, and ion formula probe should not be twisted due to the rotation of irradiation cup. CONTENT OF THE UTILITY MODEL

[0003] The utility model relates to ion formula probe accurate positioning dose detection device in water model body, its simple structure can realize the problem of ion formula probe fixed at different points in the rotating water model body, avoid the inaccuracy of dose measurement due to position change, and can prevent the occurrence of the problem of twisting.

[0004] The ion formula probe accurate positioning dose detection device in water model body provided by the utility model, including water model body, probe fixed unit, its characterized in that, the water model body is cylindrical structure, the water model body is equipped with a plurality of openings from top to bottom, the probe fixed unit includes ion formula probe, spacer block, initial spacer column, the spacer block is equipped with through hole in the center, the spacer block is equipped with open slot on the top, and the initial spacer column is in contact with the ion formula probe.

[0005] By adopting the above technical scheme, the spacer block can adjust the height of ion formula probe, and the purpose of height adjustment is achieved by adding or reducing the spacer block, so that the ion formula probe is fixed at different points in the water model body.

[0006] Preferably, the inner wall of the opening close to the upper surface of the water model body is provided with internal threads.

[0007] Preferably, the probe fixed unit further includes a threaded spacer block, the outer surface of the threaded spacer block is provided with external threads, and the threaded spacer block is matched with the opening.

[0008] By adopting the above technical scheme, the threaded spacer block and the opening are fixedly connected through threads to realize the fixation of the ion formula probe, and the structure is more firm.

[0009] Preferably, the tail of the ion formula probe is connected with a probe cable.

[0010] By adopting the above technical scheme, the probe cable is fixed with external equipment through the through hole.

[0011] Preferably, the detection device further comprises a rotating disc, a shell and a cover, the bottom of the shell is fixed with the rotating disc, the shell is a hollow cylindrical structure, the shell is fixed with the water phantom body, and the cover is arranged at the top of the shell.

[0012] By adopting the above technical scheme, the water phantom body is fixed with the shell, the cover is matched with the shell to realize the stability of the water phantom body relative to the rotating disc, and the rotating disc is used to drive the water phantom body to rotate.

[0013] Preferably, the cover is provided with an opening, and the opening is matched with the opening hole.

[0014] By adopting the above technical scheme, the opening and the opening hole are used to realize the extension of the probe cable, and the fixation of the probe cable is facilitated.

[0015] Preferably, the diameter of the opening hole is greater than that of the ion type probe.

[0016] By adopting the above technical scheme, the diameter of the opening hole is large, so that when the water phantom body rotates around the ball tube, the ion type probe can rotate in the opening hole of the water phantom body, the front and rear positions will not change, and the problem of wire twisting is prevented.

[0017] Preferably, the opening hole is arranged at different spacing positions on the upper surface of the water phantom body.

[0018] By adopting the above technical scheme, the opening hole is arranged at different circumferences with different centers on the upper surface of the water phantom body, the distances between different opening holes and the center of the water phantom body are different, and the adjustment of different center distance detection positions is facilitated.

[0019] Preferably, the number of the opening holes is 3-5.

[0020] The ion type probe can be fixed at different points in the rotating water phantom, the inaccuracy of dose measurement caused by position change is avoided, the diameter of the opening hole is greater than that of the ion type probe, the ion type probe can rotate in the opening hole of the water phantom body when the water phantom body rotates around the ball tube, and the problem of wire twisting is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0022] Figure 2 It is a top view of the water phantom body.

[0023] Figure 3 It is a schematic diagram of the spacer block.

[0024] In the figure, 1, water phantom body; 11, opening; 2, probe fixing unit; 21, ion type probe; 211, probe cable; 22, spacer block; 221, through hole; 222, open slot; 23, initial spacer column; 24, threaded spacer block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] As Figure 1 shown, the water phantom internal ion type probe precise positioning dose detection device comprises a water phantom body 1 and a probe fixing unit 2. The water phantom body 1 is a cylindrical structure, and is provided with a plurality of openings 11 from top to bottom. The probe fixing unit 2 comprises an ion type probe 21, a spacer block 22, and an initial spacer column 23. The spacer block 22 is provided with a through hole 221 in the center, and is provided with an open slot 222 above. The initial spacer column 23 abuts against the ion type probe 21. The spacer block 22 can adjust the height of the ion type probe 21. By adding or reducing the spacer block 22, the height adjustment purpose is achieved, and the ion type probe 21 is fixed at different points in the water phantom body 1.

[0028] The inner wall of the opening 11 near the upper surface of the water phantom body 1 is provided with an internal thread. The probe fixing unit 2 further comprises a threaded spacer block 24. The outer surface of the threaded spacer block 24 is provided with an external thread. The threaded spacer block 24 cooperates with the opening 11. The threaded spacer block 24 and the opening 11 are fixedly connected through threads to fix the ion type probe 21, and the structure is more firm.

[0029] The tail of the ion type probe 21 is connected with a probe cable 211. The probe cable 211 is fixed with an external device through the through hole 221.

[0030] The detection device further comprises a rotating disc, a shell and a cover, the bottom of the shell is fixed with the rotating disc, the shell is a hollow cylindrical structure, the shell is fixed with the water mold body 1, the cover is arranged on the top of the shell, the water mold body 1 is fixed with the shell, the cover is matched with the shell to realize the stability of the water mold body 1 relative to the rotating disc, and the rotating disc is used to drive the water mold body 1 to rotate.

[0031] An opening is arranged on the cover, and the opening is matched with the hole 11, wherein the opening and the hole 11 are used to realize the extension of the probe cable 211 and facilitate the fixation of the probe cable 211.

[0032] The diameter of the hole 11 is greater than the diameter of the ion type probe 21, wherein the diameter of the hole 11 is large, so that the ion type probe 21 can rotate in the hole 11 of the water mold body 1 when the water mold body 1 rotates around the ball tube, and the problem of the twisted wire is prevented.

[0033] The hole 11 is arranged at different spacing positions on the upper surface of the water mold body 1, wherein the hole 11 is arranged at different circumferences of the center of the upper surface of the water mold body 1, so that the spacing of the hole 11 from the center of the water mold body 1 is different, and the adjustment of the detection position of different center distances is facilitated.

[0034] The number of the hole 11 is three, and the staff can adjust according to the detection position.

[0035] In work, first, the interval block 22 is added into the hole 11, the initial spacing column 23 is put in after the specific height, the ion type probe 21 is put into the hole 11, the initial spacing column 23 abuts against the ion type probe 21, then the interval block 22 is continuously added into the hole 11, and finally the hole 11 is sealed by using the threaded interval block 24.

[0036] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for accurately positioning an ion-type probe (21) in a water phantom for dose detection, comprising a water phantom body (1) and a probe fixing unit (2), characterized in that, The water phantom body (1) is a cylindrical structure, and a plurality of openings (11) are arranged on the water phantom body (1) from top to bottom; the probe fixing unit (2) comprises an ion type probe (21), a spacing block (22) and an initial spacing column (23), a through hole (221) is arranged at the center of the spacing block (22), an open slot (222) is arranged above the spacing block (22), and the initial spacing column (23) is in abutment with the ion type probe (21).

2. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 1, characterized in that, The inner wall of the opening (11) near the upper surface of the water phantom body (1) is provided with an internal thread.

3. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 2, characterized in that, The probe fixing unit (2) further comprises a threaded spacing block (24), the outer surface of the threaded spacing block (24) is provided with an external thread, and the threaded spacing block (24) is matched with the opening (11).

4. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 1, characterized in that, The tail of the ion type probe (21) is connected with a probe cable (211).

5. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 1, characterized in that, The detection device further comprises a rotating disc, a shell and a cover, the bottom of the shell is fixed with the rotating disc, the shell is a hollow cylindrical structure, the shell is fixedly connected with the water phantom body (1), and the cover is arranged on the top of the shell.

6. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 5, characterized in that, An opening is arranged on the cover and matched with the opening (11).

7. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 1, characterized in that, The diameter of the opening (11) is greater than that of the ion type probe (21).

8. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 1, characterized in that, The opening (11) is arranged at different spacing positions on the upper surface of the water phantom body (1).

9. The water phantom in-vivo ion type probe (21) accurate positioning dose detection device according to claim 1, characterized in that, The number of the opening (11) is 3-5.

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