CN202066969U - X-ray dosage calculation and display system based on X-ray meter - Google Patents
X-ray dosage calculation and display system based on X-ray meter Download PDFInfo
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- CN202066969U CN202066969U CN2010207005268U CN201020700526U CN202066969U CN 202066969 U CN202066969 U CN 202066969U CN 2010207005268 U CN2010207005268 U CN 2010207005268U CN 201020700526 U CN201020700526 U CN 201020700526U CN 202066969 U CN202066969 U CN 202066969U
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Abstract
The utility model relates to the field of ray dosage calculation technology, specifically to X-ray dosage calculation and a display system based on X-ray meter. The X-ray meter is used for providing dosage reference value of the current X-ray. The system comprises a high pressure generator, a single-chip microcomputer, an X-ray dosage calculation unit, and a display, wherein the high pressure generator and the X-ray dosage calculation unit are connected via a serial port; the single-chip microcomputer is connected with the high pressure generator via an I/O interface and connected with the X-ray dosage calculation unit via a serial port, with a timing tool embedded therein; and the X-ray dosage calculation unit, connected with the display, is a computer with an arithmetic processor embedded therein. With the obtaining of the dosage reference value, the tube voltage, the tube current, the pulse effective time, and other data, the X-ray dosage data can be obtained in real time via the processing of the processing unit and displayed for users via the display.
Description
Technical field
The utility model relates to roentgen dose X and calculates technical field, is specifically related to a kind of x-ray dose based on the X ray gauge and calculates and display system.
Background technology
In order to provide a dosage reference, stipulated in the industry standard in the angiography machine product, must comprise the demonstration of dosage to doctor and patient.
What adopt in the existing angiography machine product is the direct mode of measuring in exit that ionization chamber is directly installed on beam-defining clipper.The detector of ionization chamber is converted into electric signal with X ray, is the signal that is suitable for showing with electrical signal conversion by measurement mechanism again.
Because the costliness of ionization chamber price causes the increase of production cost, make product competitiveness descend, in addition, because the increase of hardware makes the technology of installation and cable become complicated.
The utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is as why not increasing ionization chamber, realizes the Rapid Dose Calculation of X ray in the angiography machine application process by Calculation Method originally and shows with extremely low one-tenth.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of x-ray dose based on the X ray gauge to calculate and display system, described X ray gauge is used to provide the dosage reference value of current X ray, and this system comprises: high pressure generator, single-chip microcomputer, x-ray dose computing unit and display;
Described high pressure generator is connected by serial ports with described x-ray dose computing unit, is used to provide the tube voltage of current X ray and tube current to described x-ray dose computing unit;
Described single-chip microcomputer links to each other by the I/O interface with described high pressure generator, and be connected by serial ports with described x-ray dose computing unit, it is embedded with timing tool, be used for reading the pulse that high pressure generator produces the X ray process, calculate effective time of described pulse by the internal clocking instrument, and with effective time the result deliver to described x-ray dose computing unit by serial ports;
Described x-ray dose computing unit is the computing machine that is embedded with arithmetic processor, connect described display, the dosage result who is used for the dosage reference value that measures according to described X ray gauge, described tube voltage and tube current data and calculates current X ray described effective time, and be sent to display and show.
Described x-ray dose computing unit is set to calculate x-ray dose by following formula:
D＝a×(kV)
2×mA×ms；
Wherein, D is an x-ray dose, and a is the dosage reference value, and kV is a tube voltage, and mA is a tube current, and ms is the effective time of X ray pulse.
Described X ray gauge is a SOLIDOSE300 type digital metering instrument.
(3) beneficial effect
By implementing the technical solution of the utility model, only need to obtain the dosage reference value by the X ray gauge, can under different situations, obtain tube voltage concrete under the present case by inner each module, data such as tube current and pulse effective time, data are handled through computing unit, the dose data that obtains X ray that can be real-time also offers the user by display and shows, and compare by the dosage reference value that result of calculation and SOLIDOSE300 type digital metering instrument is measured, the resultant error of the technical program is below 40%, satisfies in the industry standard 50% regulation fully.
Description of drawings
Fig. 1: the structural representation of x-ray dose calculating provided by the utility model and display system;
Fig. 2: the process flow diagram of the operational process of x-ray dose calculating provided by the utility model and display system.
Embodiment
For making the purpose of this utility model, content and advantage clearer,, embodiment of the present utility model is described in further detail below in conjunction with drawings and Examples.
The principle of technical solutions of the utility model is square being directly proportional according to roentgen dose X (D) and tube voltage (kV), (mA) is directly proportional with tube current, be directly proportional with X ray effective time (ms), with square being directly proportional of distance (L), because distance is for getting involved reference point, be a fixed value, can naturalization in dosage reference value (a), thereby draw following formula: D=a * (kV)
2* mA * ms.
At first, as shown in Figure 1, described x-ray dose based on the X ray gauge calculates and display system, and this system comprises: high pressure generator, single-chip microcomputer, x-ray dose computing unit and display;
The X ray gauge can be SOLIDOSE300 type digital metering instrument, is used for direct dosage reference value at the current X ray of X ray area inner measuring, and described dosage reference value is sent to described x-ray dose computing unit;
Described high pressure generator is connected by serial ports (com) with described x-ray dose computing unit, is used to provide the tube voltage of current X ray and tube current to described x-ray dose computing unit;
Described single-chip microcomputer links to each other by the I/O interface with described high pressure generator, and be connected by serial ports with described x-ray dose computing unit, it is embedded with timing tool, be used for reading the pulse that high pressure generator produces the X ray process, calculate effective time of described pulse by the internal clocking instrument, and with effective time the result deliver to described x-ray dose computing unit by serial ports;
Described x-ray dose computing unit is the computing machine that is embedded with arithmetic processor, connect described display, the dosage result who is used for the dosage reference value that measures according to described X ray gauge, described tube voltage and tube current data and calculates current X ray described effective time, and be sent to display and show.
Described x-ray dose computing unit is set to calculate x-ray dose by following formula:
D＝a×(kV)
2×mA×ms；
Wherein, D is an x-ray dose, and a is the dosage reference value, and kV is a tube voltage, and mA is a tube current, and ms is the effective time of X ray pulse.
Next, as shown in Figure 2, described x-ray dose calculates and the operational process of display system specifically comprises:
S1: the measurement of dosage reference value;
The detailed process of the measurement of described dosage reference value is: reference point (reference point location is referring to the regulation of the GB9706.23-2005) position of getting involved the X ray zone by the dosage testing tool (as SOLIDOSE300) of specialty, be respectively 40kV at tube voltage, 50kV, 60kV, 70kV, 80kV, 90kV, 100kV, 110kV, 120kV, 130kV, record three groups under the 140kV condition and preset mA, ms value situation is (such as the default 100mA that is decided to be, dosage sampled value 100ms), afterwards with the dosage sampled value that obtains respectively divided by the mA that presets, the ms value, thereby obtain various tube voltages at the mA of unit, dose value under the ms, averaged obtains dosage reference value data at last and imports described x-ray dose computing unit then;
S2: the effective time of obtaining tube voltage, tube current and X ray pulse;
When system produces X ray, the x-ray dose computing unit can read kV, mA value from the serial ports of high pressure generator, simultaneously in effective time that the I/O of high pressure generator port can obtain producing X ray, this pulse signal is sent to single-chip microcomputer, can calculate the effective time (ms) of actual generation X ray pulse, give the x-ray dose computing unit with data effective time of X ray pulse then;
S3: the dosage result who calculates current X ray;
The x-ray dose computing unit receive tube voltage kV, tube current mA that dosage reference value, high pressure generator and single-chip microcomputer that the X ray gauge measures send and effective time ms, according to formula D=a * (kV)
2* mA * ms calculates the dosage of the X ray of current generation, send display output then.
The displaying contents of described display comprises:
The air kerma of every frame when (1) collection and pulse are had an X-rayed, the X ray air kerma that every frame produces in this process of demonstration after each collection and the pulse perspective;
Air kerma rate when (2) having an X-rayed continuously shows the air kerma rate that produces in this process at every turn when having an X-rayed continuously;
(3) air kerma accumulated value after each X ray takes place, is added to this value with the air kerma that produces X ray, and the start initial value is zero;
(4) the long-pending accumulated value of dose area multiply by a coefficient with the air kerma accumulated value and shows that this coefficient is determined by the beam-defining clipper openings of sizes.
Further, in order to check the technique effect of technical solutions of the utility model, select kV, mA, ms under the any-mode, the x-ray dose display result of passing through to calculate that current x-ray dose reference value that SOLIDOSE300 is measured and indicator screen show is made comparisons, displayed value and baseline measurements error are no more than 40%, and this meets 50% of industry standard requirement fully.Therefore, technical solutions of the utility model are under need not the situation of ionization chamber, and the roentgen dose X value that can obtain to meet the demands also shows, has reduced equipment cost, has simplified industrial complexity.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.
Claims (2)
1. the x-ray dose based on the X ray gauge calculates and display system, described X ray gauge is used to provide the dosage reference value of current X ray, it is characterized in that described system comprises: high pressure generator, single-chip microcomputer, x-ray dose computing unit and display;
Described high pressure generator is connected by serial ports with described x-ray dose computing unit, is used to provide the tube voltage of current X ray and tube current to described x-ray dose computing unit;
Described single-chip microcomputer links to each other by the I/O interface with described high pressure generator, and be connected by serial ports with described x-ray dose computing unit, it is embedded with timing tool, be used for reading the pulse that high pressure generator produces the X ray process, calculate effective time of described pulse by the internal clocking instrument, and with effective time the result deliver to described x-ray dose computing unit by serial ports;
Described x-ray dose computing unit is the computing machine that is embedded with arithmetic processor, connect described display, the dosage result who is used for the dosage reference value that measures according to described X ray gauge, described tube voltage and tube current data and calculates current X ray described effective time, and be sent to display and show.
2. the x-ray dose based on the X ray gauge as claimed in claim 1 calculates and display system, it is characterized in that described X ray gauge is a SOLIDOSE300 type digital metering instrument.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010207005268U CN202066969U (en) | 2010-12-31 | 2010-12-31 | X-ray dosage calculation and display system based on X-ray meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010207005268U CN202066969U (en) | 2010-12-31 | 2010-12-31 | X-ray dosage calculation and display system based on X-ray meter |
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| CN202066969U true CN202066969U (en) | 2011-12-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561653A (en) * | 2012-04-11 | 2014-02-05 | 株式会社东芝 | X-ray image capturing device and medical image processing device |
| US9168010B2 (en) | 2012-04-11 | 2015-10-27 | Kabushiki Kaisha Toshiba | X-ray imaging apparatus and medical image processing apparatus |
| CN108051069A (en) * | 2018-01-09 | 2018-05-18 | 北京工业职业技术学院 | The calibration method of X-ray uclear scale and X-ray uclear scale |
| CN109239755A (en) * | 2018-09-26 | 2019-01-18 | 深圳蓝韵医学影像有限公司 | Calculate mammary X-ray system Average Glandular Dose method, system, equipment and medium |
| CN111134703A (en) * | 2020-01-20 | 2020-05-12 | 飞瑞医疗器械(嘉兴)有限公司 | X-ray DAP calculation method, device, equipment, medium and beam limiter |
| CN111722258A (en) * | 2020-06-02 | 2020-09-29 | 珠海普利德医疗设备有限公司 | Method and device for detecting X-ray dose-area product and storage medium |
-
2010
- 2010-12-31 CN CN2010207005268U patent/CN202066969U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103561653A (en) * | 2012-04-11 | 2014-02-05 | 株式会社东芝 | X-ray image capturing device and medical image processing device |
| US9168010B2 (en) | 2012-04-11 | 2015-10-27 | Kabushiki Kaisha Toshiba | X-ray imaging apparatus and medical image processing apparatus |
| CN103561653B (en) * | 2012-04-11 | 2016-02-24 | 株式会社东芝 | Radioscopic image photographic attachment and medical image-processing apparatus |
| CN108051069A (en) * | 2018-01-09 | 2018-05-18 | 北京工业职业技术学院 | The calibration method of X-ray uclear scale and X-ray uclear scale |
| CN108051069B (en) * | 2018-01-09 | 2023-11-21 | 北京工业职业技术学院 | Calibration method of X-ray nucleon balance and X-ray nucleon balance |
| CN109239755A (en) * | 2018-09-26 | 2019-01-18 | 深圳蓝韵医学影像有限公司 | Calculate mammary X-ray system Average Glandular Dose method, system, equipment and medium |
| CN111134703A (en) * | 2020-01-20 | 2020-05-12 | 飞瑞医疗器械(嘉兴)有限公司 | X-ray DAP calculation method, device, equipment, medium and beam limiter |
| CN111722258A (en) * | 2020-06-02 | 2020-09-29 | 珠海普利德医疗设备有限公司 | Method and device for detecting X-ray dose-area product and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LEPU MEDICAL TECHNOLOGY (BEIJING) CO., LTD. Free format text: FORMER NAME: WEIJINFAN MEDICAL TECHNOLOGY DEVELOPMENT CO., LTD., BEIJING |
|
| CP03 | Change of name, title or address |
Address after: 101300 Beijing Shunyi District Lin River Development Zone along the Yan Road No. 60 Patentee after: Le Pu (Beijing) medical equipment Co., Ltd. Address before: 100070 Beijing City, Fengtai District Fengtai Science City Fung Fu Road No. 4 block A room 904-1 (Park) Patentee before: Beijing Winmedic Medical Technical Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |