CN202119915U - Support for measuring equivalent radioactivity of sealed seed source - Google Patents
Support for measuring equivalent radioactivity of sealed seed source Download PDFInfo
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- CN202119915U CN202119915U CN2011200551472U CN201120055147U CN202119915U CN 202119915 U CN202119915 U CN 202119915U CN 2011200551472 U CN2011200551472 U CN 2011200551472U CN 201120055147 U CN201120055147 U CN 201120055147U CN 202119915 U CN202119915 U CN 202119915U
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- seed source
- sealed seed
- activity
- positioning disc
- corrosion resistant
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Abstract
The utility model discloses a support for measuring equivalent radioactivity of a sealed seed source. The support comprises a funnel, a transparent straight pipe, a ring-shaped stainless steel plate, a positioning disc and a sealed seed source positioning well, wherein the ring-shaped stainless steel plate is arranged at one side of the positioning disc, the transparent straight pipe with two open ends penetrating the center of the ring-shaped stainless steel plate and the center of the positioning disc, one end of the transparent pipe is connected with the funnel, and the other end of the transparent pipe is connected with the sealed seed source positioning well. The support can guarantee that errors of the equivalent radioactivity of the sealed seed source are controlled within 5% of an indication value, thereby providing safeguard for tumor treatment.
Description
Technical field
The utility model relates to radiopharmaceutic pick-up unit, is specifically related to the measurement bracket of sealed seed source equivalent activity activity.
Background technology
Radiopharmaceutical as a kind of base therapy method of hospital to patient, is widely used in the clinical practice both domestic and external.Like radioactive sealed seed source implanted treatment malignant tumours such as iodine-125, palladiums-103, be exactly a kind of methods of treatment of Wicresoft, be belong to internal radiotherapy closely a kind of.It has advantages such as simple to operate, that result of treatment is good, makes its clinical practice show wide prospect.The area is widely used this method in the U.S., Europe and Southeast Asia etc.At present, iodine [125I] sealed seed source has also been obtained certain achievement to the research of other dissimilar oncotherapies in position abroad except that being widely used in treatment of prostate cancer, glioblastoma for example, non-small cell lung cancer etc.Along with the raising of living standards of the people, increasing people pays attention to improving the quality of living, and increasing patient hopes to find new treatment approach to alleviate illness, prolongs life.Take the lead in the seed source the is used for oncotherapy of organs such as liver, rectum, pancreas, oesophagus, stomach, thyroid gland, mammary gland, prostate of domestic existing part hospitals; Follow up a case by regular visits to discovery through tracking curative effect is in various degree all arranged; And this methods of treatment is popularized rapidly just at home, will understood and accepts by increasing doctor and patient.The implanted treatment method of this sealed seed source must be passed through TPS planned treatment system and made a therapeutic scheme in advance, under template, B ultrasonic or CT guiding, accomplishes operation according to the guidance of Computerized three-dimensional treatment plan at last.The specific function of TPS is in the middle of operation, formulating treatment plan efficiently, in real time, and to the doctor the clear and definite guidance of going into pin orientation, the degree of depth is provided, and especially radioactivity equivalence activity size confirms.The size of particle equivalent activity activity is confirmed well the dose curve of particle to be changed; The therapeutic scheme of being made is only effectively; This shows that the size of the equivalent activity activity of sealed seed source is vital for implanted treatment, it is that prerequisite is the basis.Meet the requirements if can not guarantee the size of each sealed seed source equivalent activity activity, just do not reach best result of treatment.This just requires every sealed seed source equivalent activity activity measurement to want accurately, and the guarantee of this accuracy is exactly to need to use special-purpose sealed seed source equivalent activity activity measurement support.While is because tumor locus that the patient suffers from is different, or the activity of the used sealed seed source of different patients size is different with the equal possibility of quantity, so need sealed seed source be stored classifiedly by activity size or quantity.And when measuring every sealed seed source and storing classifiedly by activity size or quantity, be to reduce the radiation of ray to operating personnel, need protect with lead glass and stainless steel.
The utility model content
The purpose of the utility model is to provide a kind of measurement bracket of sealed seed source equivalent activity activity; This measurement bracket can be used with the nucleic activity meter; Be used to measure sealed seed source equivalent activity activity; Make its error satisfy national standard, thereby ensure it, also can guarantee to reduce simultaneously the injury of x radiation x as far as possible operating personnel to the tumor treatment effect.
For achieving the above object, the utility model has adopted following technical proposals:
A kind of measurement bracket of sealed seed source equivalent activity activity comprises funnel, transparent straight pipe, annular corrosion resistant plate, positioning disc and sealed seed source location well; Wherein, said annular corrosion resistant plate is positioned at a side of positioning disc, said transparent straight pipe both ends open and vertically run through the center of annular corrosion resistant plate and positioning disc, and the two ends of said transparent straight pipe are connected with said funnel and sealed seed source location well respectively.
Preferable, said transparent straight pipe is connected with said funnel near an end of annular corrosion resistant plate.
Preferable, the diameter of said annular corrosion resistant plate is identical with the diameter of positioning disc.
Further, a side of said positioning disc is provided with round boss, and the another side is provided with cylindrical handle; The center of positioning disc, round boss and cylindrical handle is coaxial, and the axle place is provided with through hole therein.
Preferable, said annular corrosion resistant plate is provided with a side of cylindrical handle near positioning disc, and the internal diameter of annular corrosion resistant plate equates with the external diameter of cylindrical handle.
Preferable, said cylindrical handle is provided with gib screw, with stationary positioned disk and transparent straight pipe.
Preferable, the thickness of said annular boss is greater than the thickness of positioning disc.
In the measurement bracket of the above-mentioned sealed seed source equivalent activity activity that the utility model provided: transparent straight pipe, positioning disc, round boss and cylindrical handle can be processed by organic glass or other rigid transparent materials; Human body shielding action when the annular corrosion resistant plate mainly plays the sealed seed source measurement; Positioning disc is used to locate transparent straight pipe, thus sealed seed source location, location well, and the physical dimension at ionization chamber when sealed seed source is measured is in inconvenience all the time, so that guarantee sensitivity, degree of accuracy and the degree of stability of measurement.During measurement, the measurement bracket of above-mentioned sealed seed source equivalent activity activity is put into the ionization measurement chamber of nucleic activity meter, sealed seed source to be measured is put into through transparent straight pipe from bell mouth got into sealed seed source location well, can carry out activity measurement.The error control that the measurement bracket of whole sealed seed source equivalent activity activity has guaranteed sealed seed source equivalent activity activity the sign value ± 5% in, the requirement of National standard is for tumor treatment provides higher guarantee.
The measurement bracket of the above-mentioned sealed seed source equivalent activity activity that the utility model provided can be used with the stainless steel pallet and the combination of stainless steel security bar of splendid attire sealed seed source to be measured.Wherein, said stainless steel pallet is provided with the identical disk of several sizes, covers lead glass on the disk, and stainless steel and lead glass can reduce the radiation of ray to operating personnel; Said stainless steel security bar is provided with the well that several are used to place different activity sealed seed sources, can realize storing classifiedly by the different activity sizes of sealed seed source.
Use the method for the measurement mechanism of the above-mentioned sealed seed source equivalent activity activity that the utility model provided to be:
(1) opens nucleic activity meter power supply, select to be used to measure " I-125 " key of sealed seed source and press;
(2) seal stack seed source to be measured is placed in the disk of stainless steel pallet, on the reusable lead glass cover so that shield;
(3) in the well of stainless steel strip, place little cillin bottle respectively, be used for the sealed seed source that splendid attire varies in size and classifies by equivalent activity.
(4) measurement bracket of sealed seed source equivalent activity activity is put into the ionization measurement chamber of nucleic activity meter;
(5) gently move lead glass and expose a slit,, get in the well of sealed seed source location, build lead glass again through the little funnel of the measurement bracket of sealed seed source equivalent activity activity with sealed seed source of tweezers gripping.
The size of the equivalent activity activity value of (6) measuring according to the nucleic activity meter is put into respectively in the cillin bottle of stainless steel strip well surveying measured sealed seed source.
(7) repeat above-mentioned (4) to (6) step, until all sealed seed source classification to be measured are finished.
Description of drawings
Fig. 1: the structural representation of the measurement bracket of the sealed seed source equivalent activity activity of the utility model;
Fig. 2: the structural representation of the measurement bracket of the sealed seed source equivalent activity activity of the another kind of embodiment of the utility model;
Fig. 3: the left view of the measurement bracket of the sealed seed source equivalent activity activity of the another kind of embodiment of the utility model;
Fig. 4: the front view of the utility model stainless steel pallet;
Fig. 5: the vertical view of the utility model stainless steel pallet;
Fig. 6: the front view of the utility model stainless steel strip;
Fig. 7: the vertical view of the utility model stainless steel strip.
Embodiment
Embodiment 1
As shown in Figure 1, the measurement bracket of a kind of sealed seed source equivalent activity activity that the utility model provided comprises funnel 1, transparent straight pipe 2, annular corrosion resistant plate 3, positioning disc 6 and sealed seed source location well 7; Wherein, annular corrosion resistant plate 3 is positioned at a side of positioning disc 3, transparent straight pipe 2 both ends opens and vertically run through annular corrosion resistant plate 3 and the center of positioning disc 6, and the two ends of transparent straight pipe 2 are located well 7 with funnel 1 and sealed seed source respectively and are connected.Funnel 1, transparent straight pipe 2 and positioning disc 6 are processed by organic glass, and funnel 1 can be one-body molded with transparent straight pipe 2, also can adopt other modes closely to connect.The internal diameter of transparent straight pipe 2 is 6mm, and outer warp is 10mm.Positioning disc 6 is used to locate transparent straight pipe 2, thus sealed seed source location, location well 7, and the physical dimension at ionization chamber when sealed seed source is measured is in inconvenience all the time, so that guarantee sensitivity, degree of accuracy and the degree of stability of measurement.The degree of depth of sealed seed source location well 7 is 10mm, and internal diameter is 1.2mm, and outer warp is 5mm.Human body shielding action when annular corrosion resistant plate 3 mainly plays the sealed seed source measurement, its size is identical with positioning disc 6.Preferably transparent straight pipe 2 is connected with funnel 1 near an end of annular corrosion resistant plate 3.
Further, shown in Fig. 2 and 3, for increasing the positioning and fixing effect of positioning disc 6, be provided with round boss 8 in a side of positioning disc 6, the another side is provided with cylindrical handle 5; The center of positioning disc 6, round boss 8 and cylindrical handle 5 is coaxial, and the axle place is provided with through hole 9 therein.Penetrate transparent straight pipe 2 in the through hole 9, and through the gib screw of being located on the cylindrical handle 54 that transparent straight pipe 2 is fixing with positioning disc 6.Positioning disc 6, round boss 8 and cylindrical handle 5 can adopt organic glass one-body molded, and preferably the thickness of annular boss 8 is greater than the thickness of positioning disc 6; The diameter of positioning disc 6 is 80mm, and thickness is 5mm; The diameter of round boss 8 is 60mm, and thickness is 8mm.
The diameter of annular corrosion resistant plate 3 is 80mm, and diameter of bore is 25mm, and thickness is 3mm.Preferably annular corrosion resistant plate 3 is provided with a side of cylindrical handle 5 near positioning disc 6, and the internal diameter of annular corrosion resistant plate 3 is identical with the external diameter of cylindrical handle 5.
Embodiment 2
The measurement bracket of the above-mentioned sealed seed source equivalent activity activity that the utility model provided can make up with stainless steel security bar 12 with the stainless steel pallet 10 of splendid attire sealed seed source to be measured and use.Wherein:
The structure of the measurement bracket of sealed seed source equivalent activity activity is used to measure the radioactivity of sealed seed source shown in Fig. 1-3;
The structure of the stainless steel pallet 10 of splendid attire sealed seed source to be measured is like Fig. 4, shown in 5, and stainless steel pallet 10 is a rectangle, and it is of a size of 170 * 90 * 18mm, which is provided with two equirotal disks 11, and its diameter is 70mm, and the degree of depth is 10mm; Be used to place sealed seed source to be measured, protect the operator to avoid the radiation of ray simultaneously;
Lead glass is of a size of 80 * 80mm, is placed on during use on the disk 11 of stainless steel pallet 10, plays shielding action, thereby reduces ray to irradiating human body;
The structure of stainless steel security bar 12 is like Fig. 6, shown in 7, and its overall dimensions are 150 * 25 * 50mm, and it is first-class to be distributed with 10 wells, and each well diameter is 18mm, and well depth is 45mm.When the measurement of sealed seed source equivalent activity activity, be used for storing classifiedly the measured sealed seed source of survey by different activity sizes, simultaneously human body is played good radiation protection effect.
Claims (7)
1. the measurement bracket of a sealed seed source equivalent activity activity is characterized in that: comprise funnel, transparent straight pipe, annular corrosion resistant plate, positioning disc and sealed seed source location well; Wherein, said annular corrosion resistant plate is positioned at a side of positioning disc, said transparent straight pipe both ends open and vertically run through the center of annular corrosion resistant plate and positioning disc, and the two ends of said transparent straight pipe are connected with said funnel and sealed seed source location well respectively.
2. the measurement bracket of sealed seed source equivalent activity activity as claimed in claim 1 is characterized in that: said transparent straight pipe is connected with said funnel near an end of annular corrosion resistant plate.
3. the measurement bracket of sealed seed source equivalent activity activity as claimed in claim 1 is characterized in that: the diameter of said annular corrosion resistant plate is identical with the diameter of positioning disc.
4. like the measurement bracket of arbitrary described sealed seed source equivalent activity activity among the claim 1-3, it is characterized in that: a side of said positioning disc is provided with round boss, and the another side is provided with cylindrical handle; The center of positioning disc, round boss and cylindrical handle is coaxial, and the axle place is provided with through hole therein.
5. the measurement bracket of sealed seed source equivalent activity activity as claimed in claim 4; It is characterized in that: said annular corrosion resistant plate is provided with a side of cylindrical handle near positioning disc, and the internal diameter of annular corrosion resistant plate equates with the external diameter of cylindrical handle.
6. the measurement bracket of sealed seed source equivalent activity activity as claimed in claim 4 is characterized in that: said cylindrical handle is provided with gib screw.
7. the measurement bracket of sealed seed source equivalent activity activity as claimed in claim 4 is characterized in that: the thickness of said annular boss is greater than the thickness of positioning disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200551472U CN202119915U (en) | 2011-03-04 | 2011-03-04 | Support for measuring equivalent radioactivity of sealed seed source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200551472U CN202119915U (en) | 2011-03-04 | 2011-03-04 | Support for measuring equivalent radioactivity of sealed seed source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119915U true CN202119915U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200551472U Expired - Fee Related CN202119915U (en) | 2011-03-04 | 2011-03-04 | Support for measuring equivalent radioactivity of sealed seed source |
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| Country | Link |
|---|---|
| CN (1) | CN202119915U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714764A (en) * | 2019-03-19 | 2020-09-29 | 天津赛德生物制药有限公司 | System for automatically loading radioactive particles |
-
2011
- 2011-03-04 CN CN2011200551472U patent/CN202119915U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111714764A (en) * | 2019-03-19 | 2020-09-29 | 天津赛德生物制药有限公司 | System for automatically loading radioactive particles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |