CN210384608U - Source transmission in-place deviation calibration device of after-loading therapy machine - Google Patents

Source transmission in-place deviation calibration device of after-loading therapy machine Download PDF

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Publication number
CN210384608U
CN210384608U CN201920450023.0U CN201920450023U CN210384608U CN 210384608 U CN210384608 U CN 210384608U CN 201920450023 U CN201920450023 U CN 201920450023U CN 210384608 U CN210384608 U CN 210384608U
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CN
China
Prior art keywords
calibration
box
source
extension area
hole
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Expired - Fee Related
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CN201920450023.0U
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Chinese (zh)
Inventor
曲新亮
徐涛
蒋军龙
王璐
任天琪
高世平
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Shandong Zhongce Calibration Quality Control Technology Co ltd
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Shandong Zhongce Calibration Quality Control Technology Co ltd
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Priority to CN201920450023.0U priority Critical patent/CN210384608U/en
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Publication of CN210384608U publication Critical patent/CN210384608U/en
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Abstract

The utility model belongs to the technical field of medical blowing calibration equipment field together and specifically relates to a deviation calibrating device that targets in place is transmitted to back-loading therapy machine source for radiation source transmission position precision calibration in to the conduction pipe of back-loading therapy machine, include: the calibration box comprises two box bodies which are buckled and connected, an extension area is arranged in the calibration box, the guide pipe is arranged along the extension area, and a through hole for the guide pipe to pass through is formed in the calibration box; the graduated scale is arranged on one side of the extension area in the calibration box and is arranged along the extension direction of the conduction pipe; the image acquisition unit is arranged in the calibration box and is right opposite to the extension area, the structure is simple, the design is reasonable, radiation source radiation leakage can be effectively prevented during calibration, the operation is easy, and the problems in the prior art are effectively solved.

Description

Source transmission in-place deviation calibration device of after-loading therapy machine
The technical field is as follows:
the utility model relates to a medical blowing is calibration equipment field together, especially a deviation calibrating device that puts in place is transmitted to back dress therapy apparatus source.
Background art:
the post-loading therapeutic machine is a common device for treating tumors, and carries out radiotherapy by placing a treatment container on a treatment part and accurately conveying a radioactive source to a part of a patient to be treated through an applicator, wherein the conveying precision of the radioactive source is particularly critical during treatment. Aiming at the detection and calibration of the position progress of a radiation source conveyed by a back-loading therapy machine, at present, a commonly used measuring and calibrating method is mainly a film method, the method is characterized in that a radiation source is resided at the position of a film, a black exposure area is remained on the film, and a worker obtains the position precision of the radiation source conveying according to the position of the exposure area. Therefore, there is an urgent need for improvement of the existing calibration device of the back-loading therapy apparatus.
The above description is included in the technical recognition scope of the utility model, and does not necessarily constitute the prior art.
The utility model has the following contents:
the utility model provides a source transmission deviation calibrating device that targets in place of after-loading therapy apparatus, its simple structure, reasonable in design when the calibration, can prevent effectively that the radiation source radiation from leaking outward, still easily operation, the effectual problem that exists of having solved among the prior art.
The utility model provides a technical scheme: a source transmission in-place deviation calibration device of a back-loading therapy machine is used for calibrating the precision of the transmission position of a radioactive source in a conduction tube of the back-loading therapy machine, and comprises: the calibration box comprises two box bodies which are buckled and connected, an extension area is arranged in the calibration box, the guide pipe is arranged along the extension area, and a through hole for the guide pipe to pass through is formed in the calibration box; the graduated scale is arranged on one side of the extension area in the calibration box and is arranged along the extension direction of the conduction pipe; and the image acquisition unit is arranged in the calibration box and is just opposite to the extension area.
Furthermore, the image acquisition unit is arranged in the calibration box in a sliding manner, and the device further comprises a driving piece for driving the image acquisition unit to slide.
Furthermore, a lead screw is arranged in the box body, a sliding block is arranged on the lead screw in a matching mode, the sliding block is connected with the image acquisition unit, and the driving piece comprises a motor connected with the lead screw in a rotating mode.
Furthermore, an illuminating piece is arranged in the calibration box.
Furthermore, a plurality of positioning pieces are arranged at intervals along the length direction of the extension area, and the positioning pieces guide the conduction pipe to extend in the calibration box.
Furthermore, the locating piece includes two positioning columns that set up relatively, two constitute between the positioning column the space that the conduction pipe passes through.
Furthermore, the setting element still includes a locating plate, follows the extending direction interval of conduction pipe is equipped with a plurality of jack, the reference column cartridge in the jack.
Further, the locating plate and the calibration box are detachably connected.
Furthermore, the through-hole sets up on one of them the box body through-hole board is equipped with to the detachable on the box body of through-hole position department, the through-hole sets up on the through-hole board.
Furthermore, the through hole plate is connected with the box body in a screwed mode through threads.
The utility model provides a source transmission deviation calibrating device that targets in place of after-loading therapy apparatus, its simple structure, reasonable in design when the calibration, can prevent effectively that the radiation source radiation from leaking outward, still easily operation, the effectual problem that exists of having solved among the prior art.
Description of the drawings:
fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2;
in the figure, 1, a calibration box; 2. a box body; 3. an extension region; 4. a through hole; 5. a graduated scale; 6. an image acquisition unit; 7. a lead screw; 8. a slider; 9. a motor; 10. an illuminating member; 11. a positioning column; 12. positioning a plate; 13. a jack; 14. a through hole plate.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
The utility model discloses an embodiment is shown in fig. 1-3, a deviation calibrating device that targets in place is transmitted to back-loading treatment machine source for to the intraductal radiation source transmission position precision calibration of conduction of back-loading treatment machine, include: the calibration box 1 comprises two box bodies 2 which are connected in a buckling mode, an extension area 3 is arranged in the calibration box 1, the guide pipes are arranged along the extension area 3, and a through hole 4 for the guide pipes to pass through is formed in the calibration box 1; the graduated scale 5 is arranged on one side of the extension area 3 in the calibration box 1 and is arranged along the extension direction of the conduction pipe; and the image acquisition unit 6 is arranged in the calibration box 1 and is just opposite to the extension area 3.
The utility model discloses a calibrating device is when using, in introducing calibration box 1 with the conduction pipe, and make the conduction pipe extend in calibration box 1 and arrange, make the conduction pipe arrange along extension zone 3, then lock calibration box 1, the back manor that links to each other through the conduction pipe inputs the radiation source to the conduction pipe, then, the position department of leading-in conduction pipe settlement in calibration box 1 with the radiation source, then acquire the image in calibration box 1 through image acquisition unit 6, the image that the accessible was gathered, on the image that image acquisition unit 6 gathered, not only have the image of conduction pipe in calibration box 1, the image of scale 5 in addition, from this can obtain the radiation source by leading-in actual position, thereby carry out the calibration to after-loading therapy machine source application source position precision.
The utility model discloses a calibrating device, through setting up calibration box 1, can effectually prevent that the reflection source radiation from leaking outward, using safelyr.
Moreover, the mode of collecting images through the image collecting unit 6 is more convenient and visual when the actual position of the radioactive source is judged, and the operation difficulty is small.
It should be noted that the utility model discloses an image acquisition unit 6, optional camera, its accessible wire links to each other with the control unit outside calibration box 1 to control image acquisition unit 6 and gather the image.
In a preferred embodiment, the image capturing unit 6 is slidably disposed in the calibration box 1, and the apparatus further includes a driving member for driving the image capturing unit 6 to slide. Therefore, different areas in the calibration box 1 can be shot by adjusting the image acquisition unit 6, so that the image acquisition unit 6 can be shot right at a set position when shooting is carried out, the radioactive source and the graduated scale 5 are approximately in a right alignment state on an obtained image, and the precision is higher; moreover, a plurality of detection positions can be set in one calibration, and detection is carried out for a plurality of times, so that the precision is higher.
In a specific embodiment, it may be configured that a lead screw 7 is disposed in the box body 2, a sliding block 8 is disposed on the lead screw 7 in a matching manner, the sliding block 8 is connected to the image capturing unit 6, and the driving member includes a motor 9 rotatably connected to the lead screw 7. Specifically, still be equipped with two slide rails in calibration box 1, slider 8 slides and sets up on the slide rail, rotates through lead screw 7 and drives slider 8 and remove, and it is more steady to remove, and the precision is high.
A further optimization is that the calibration box 1 is provided with an illuminating element 10. Specifically, the illuminating part can be the LED lamp area of laying on 2 both sides edges of upside box body, can provide light source to in the calibration box 1 from this, is favorable to obtaining high quality image. Of course, the image capturing unit 6 may be equipped with a flash.
A further optimization is that a plurality of positioning elements are arranged at intervals along the length direction of the extension area 3, and the positioning elements guide the conduction pipe to extend in the calibration box 1. The positioning element can prevent the conduction tube from bending and moving freely in the calibration box 1.
Specifically, the positioning element includes two positioning pillars 11 disposed opposite to each other, and a space through which the conduction tube passes is formed between the two positioning pillars 11.
In a preferred embodiment, the positioning element further includes a positioning plate 12, a plurality of insertion holes 13 are formed at intervals along the extending direction of the conducting pipe, and the positioning posts 11 are inserted into the insertion holes 13. Therefore, the positioning column 11 can be inserted into different insertion holes 13, the position of the positioning column 11 is adjusted, the positioning column 11 is kept away from the detection position, and interference caused by the positioning column 11 in recognition of radioactive sources on images is prevented.
Further, the positioning plate 12 is detachably connected to the calibration box 1. From this can be applicable to the conduction pipe of different pipe diameters through changing different locating plate 12, for example, when carrying out calibration detection to thicker conduction pipe, can obtain the locating plate 12 that the reference column 11 interval is great through changing locating plate 12. In the present embodiment, the positioning plate 12 is connected to the lower case 2 in an insertion manner, and the lower case 2 is provided with a recessed groove in which the positioning plate 12 is inserted.
Correspondingly, the through hole 4 is arranged on one of the box bodies 2, a through hole plate 14 is detachably arranged on the box body 2 at the position of the through hole 4, and the through hole 4 is arranged on the through hole plate 14. The through-hole plate 14 can be replaced according to the pipe diameter of the conduction pipe, so that the conduction pipe is suitable for the aperture of the through hole 4, and radiation leakage of the radiation source in the calibration box 1 is reduced.
Specifically, the through hole plate 14 is screwed with the box body 2.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (10)

1. A source transmission in-place deviation calibration device of a back-loading therapy machine is used for calibrating the precision of the transmission position of a radioactive source in a conduction tube of the back-loading therapy machine, and is characterized by comprising:
the calibration box comprises two box bodies which are buckled and connected, an extension area is arranged in the calibration box, the guide pipe is arranged along the extension area, and a through hole for the guide pipe to pass through is formed in the calibration box;
the graduated scale is arranged on one side of the extension area in the calibration box and is arranged along the extension direction of the conduction pipe;
and the image acquisition unit is arranged in the calibration box and is just opposite to the extension area.
2. The source delivery-to-site offset calibration apparatus of claim 1, wherein: the image acquisition unit is arranged in the calibration box in a sliding mode, and the device further comprises a driving piece for driving the image acquisition unit to slide.
3. A source transfer-to-position misalignment calibration device for a back-loading therapy machine according to claim 2, wherein: the box body is internally provided with a lead screw, the lead screw is provided with a sliding block in a matching way, the sliding block is connected with the image acquisition unit, and the driving piece comprises a motor which is rotationally connected with the lead screw.
4. The source delivery-to-site offset calibration apparatus of claim 1, wherein: and an illuminating piece is arranged in the calibration box.
5. The source delivery-to-site offset calibration apparatus of claim 1, wherein: and a plurality of positioning pieces are arranged at intervals along the length direction of the extension area, and the positioning pieces guide the conduction pipe to extend in the calibration box.
6. The source delivery-to-site offset calibration apparatus of claim 5, wherein: the locating piece comprises two locating columns which are arranged oppositely, and a space through which the conduction pipe passes is formed between the two locating columns.
7. The source delivery-to-site offset calibration apparatus of claim 6, wherein: the locating piece still includes a locating plate, follows the extending direction interval of conduction pipe is equipped with a plurality of jack, the reference column cartridge in the jack.
8. A source transfer-to-position misalignment calibration device for a back-loading therapy machine according to claim 7, wherein: the positioning plate is detachably connected with the calibration box.
9. The source delivery-to-site offset calibration apparatus of claim 8, wherein: the through hole is arranged on one of the box bodies, a through hole plate is detachably arranged on the box body at the position of the through hole, and the through hole is arranged on the through hole plate.
10. A source transfer-to-position misalignment calibration device for a back-loading therapy machine according to claim 9, wherein: the through hole plate is connected with the box body in a screwed mode through threads.
CN201920450023.0U 2019-04-03 2019-04-03 Source transmission in-place deviation calibration device of after-loading therapy machine Expired - Fee Related CN210384608U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920450023.0U CN210384608U (en) 2019-04-03 2019-04-03 Source transmission in-place deviation calibration device of after-loading therapy machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920450023.0U CN210384608U (en) 2019-04-03 2019-04-03 Source transmission in-place deviation calibration device of after-loading therapy machine

Publications (1)

Publication Number Publication Date
CN210384608U true CN210384608U (en) 2020-04-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114053601A (en) * 2021-11-12 2022-02-18 江苏海明医疗器械有限公司 Outlet length self-correcting device for back-loading radiotherapy machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114053601A (en) * 2021-11-12 2022-02-18 江苏海明医疗器械有限公司 Outlet length self-correcting device for back-loading radiotherapy machine
CN114053601B (en) * 2021-11-12 2023-07-28 江苏海明医疗器械有限公司 Self-correcting device for length of outlet source of rear-loading radiation therapy apparatus

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200424

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