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CN-224203040-U - Double-spectrum calculus type analysis device based on laser-induced breakdown and laser-induced fluorescence

CN224203040UCN 224203040 UCN224203040 UCN 224203040UCN-224203040-U

Abstract

The utility model relates to the technical field of stone type judging devices, in particular to a double-spectrum stone type analyzing device based on laser-induced breakdown and laser-induced fluorescence. The utility model combines two technologies of laser-induced breakdown spectroscopy and laser-induced fluorescence. LIBS technology is capable of analyzing elemental composition in a stone, whereas LIF technology can detect organic components in a stone. The two signals are collected through the multichannel spectrometer and comprehensively analyzed by the analysis terminal, so that more comprehensive calculus information can be obtained compared with a single technology, and the accuracy of calculus type analysis is effectively improved. The multi-technology fusion method provides richer data support for accurate judgment of the type of the calculus, is beneficial to clinicians to know the characteristics of the calculus more accurately, and makes a more appropriate treatment scheme.

Inventors

  • FU HONGBO
  • ZHANG ZHIRONG
  • WANG HUADONG
  • SHI FEIFAN

Assignees

  • 中国科学院合肥物质科学研究院

Dates

Publication Date
20260505
Application Date
20250402

Claims (10)

  1. 1. The double-spectrum calculus type analysis device based on laser-induced breakdown and laser-induced fluorescence is characterized by comprising a continuous laser (1) capable of emitting continuous laser to a calculus (15) irradiation point, a fluorescent probe (2) for collecting fluorescent signals generated by excitation of the calculus (15) by the continuous laser (1), a pulse laser (5) for emitting pulse laser to the calculus (15), a pulse probe (6) for collecting pulse signals generated by excitation of the calculus (15) by the pulse laser (5), and a multichannel spectrometer (4) for collecting the fluorescent signals and the pulse signals, wherein an analysis terminal (7) capable of analyzing corresponding to the fluorescent signals and the pulse signals to judge the type of the calculus (15) is arranged at the output end of the multichannel spectrometer (4).
  2. 2. The double-spectrum stone type analysis device based on laser-induced breakdown and laser-induced fluorescence according to claim 1, wherein a first beam expander for diffusing laser light, a dichroic mirror (9) for eliminating mutual interference between continuous laser light and a fluorescence signal, and a first beam focusing mirror for focusing laser light are sequentially installed on a laser propagation path of the continuous laser (1).
  3. 3. The apparatus of claim 2, wherein the propagation path of the fluorescent signal and the propagation path of the continuous laser form a bidirectional common optical path.
  4. 4. A double-spectrum stone type analysis device based on laser induced breakdown and laser induced fluorescence according to claim 3, characterized in that the fluorescence probe (2) comprises a first fluorescence beam expander (21) connected to the output end of the continuous laser (1) and a first fluorescence beam expander (22) located on the light propagation path of the first fluorescence beam expander (21), and the first beam expander (8) is mounted on the light propagation path of the first fluorescence beam expander (22); the fluorescent probe (2) further comprises a first fluorescent reflector (24) arranged on the reverse light propagation path of the first fluorescent bundling mirror (22), a second fluorescent reflector (25) is arranged on the light propagation path of the first fluorescent reflector (24), a second fluorescent bundling mirror (23) is arranged on the light propagation path of the second fluorescent reflector (25), and the output light of the second fluorescent bundling mirror (23) is input into the multichannel spectrometer (4).
  5. 5. The double-spectrum stone type analysis device based on laser induced breakdown and laser induced fluorescence according to any one of claims 1 to 4, wherein a second beam expander (11), a laser mirror (10) and a second beam converging mirror are sequentially arranged on a propagation path of the pulsed laser.
  6. 6. The double-spectrum stone type analysis device based on laser-induced breakdown and laser-induced fluorescence according to claim 5, wherein the structure of the pulse probe (6) is the same as that of the fluorescence probe (2).
  7. 7. The device for analyzing the type of the double-spectrum stone based on the laser-induced breakdown and the laser-induced fluorescence according to claim 6, wherein the analysis terminal (7) is a computer, and analysis criteria for analyzing the type of the stone (15) according to the fluorescence signal and the pulse signal are stored in the computer.
  8. 8. The dual spectrum stone type analyzing apparatus based on laser induced breakdown and laser induced fluorescence according to claim 7, wherein the stone (15) is placed on a three-degree-of-freedom moving platform movable in three coordinate axis directions of a three-dimensional space.
  9. 9. The dual-spectrum calculus type analyzing apparatus according to claim 8, further comprising a camera (16) for photographing the calculus (15) to determine the position of the irradiation point of the calculus (15), wherein the camera (16) transmits the photographing result to the control terminal.
  10. 10. The double-spectrum calculus type analysis device based on laser-induced breakdown and laser-induced fluorescence according to claim 9, wherein the control terminal can control the three-degree-of-freedom moving platform in real time according to the photographing result of the camera (16).

Description

Double-spectrum calculus type analysis device based on laser-induced breakdown and laser-induced fluorescence Technical Field The utility model relates to the technical field of stone type judging devices, in particular to a double-spectrum stone type analyzing device based on laser-induced breakdown and laser-induced fluorescence. Background The urinary system calculus and other diseases are common in clinic, and accurate judgment of the calculus type has important significance for making personalized treatment schemes, preventing calculus recurrence and the like. Current methods of stone analysis include Laser Induced Breakdown Spectroscopy (LIBS) techniques, laser Induced Fluorescence (LIF) techniques, and the like. LIBS technology can analyze the element composition of the calculus, and laser-induced fluorescence LIF technology can detect the organic components in the calculus. The two techniques have the advantages of judging the type of the calculus according to the analysis result. However, both are independent of each other in the practical process, so that the technology is single in the analysis process, and the type of the calculus is difficult to comprehensively and accurately judge, so that the problem needs to be solved. Disclosure of utility model In order to avoid and overcome the technical problems in the prior art, the utility model provides a double-spectrum calculus type analysis device based on laser-induced breakdown and laser-induced fluorescence. The utility model can effectively improve the accuracy of the calculus type analysis through the combination of the two technologies. In order to achieve the above purpose, the present utility model provides the following technical solutions: a double-spectrum calculus type analysis device based on laser-induced breakdown and laser-induced fluorescence comprises a continuous laser capable of emitting continuous laser to a calculus irradiation point, a fluorescent probe for collecting fluorescent signals generated by excitation of the continuous laser, a pulse laser for emitting pulse laser to the calculus, a pulse probe for collecting pulse signals generated by excitation of the pulse laser, and a multichannel spectrometer for collecting the fluorescent signals and the pulse signals, wherein an analysis terminal capable of analyzing the fluorescent signals and the pulse signals to judge the calculus type is arranged at the output end of the multichannel spectrometer. As a still further proposal of the utility model, a first beam expander for diffusing laser light, a dichroic mirror capable of eliminating mutual interference between continuous laser light and fluorescent signals and a first beam focusing mirror for focusing the laser light are sequentially arranged on a laser propagation path of the continuous laser. As a still further aspect of the present utility model, the propagation path of the fluorescent signal and the propagation path of the continuous laser form a bidirectional common optical path. The fluorescent probe comprises a first fluorescent beam expander connected to the output end of the continuous laser and a first fluorescent beam expander positioned on the light propagation path of the first fluorescent beam expander, wherein the first fluorescent beam expander is arranged on the light propagation path of the first fluorescent beam expander; The fluorescent probe further comprises a first fluorescent reflector arranged on the reverse light propagation path of the first fluorescent bundling mirror, a second fluorescent reflector is arranged on the light propagation path of the first fluorescent reflector, a second fluorescent bundling mirror is arranged on the light propagation path of the second fluorescent reflector, and output light of the second fluorescent bundling mirror is input into the multichannel spectrometer. As a still further proposal of the utility model, a second beam expander, a laser reflector and a second beam gathering mirror are arranged on the propagation path of the pulse laser in sequence. As a still further proposal of the utility model, the structure of the pulse probe is the same as that of the fluorescent probe. As a still further proposal of the utility model, the analysis terminal is a computer, and the computer stores analysis criteria which can analyze the type of the calculus according to the fluorescence signal and the pulse signal. As a still further proposal of the utility model, stones are placed on a three-degree-of-freedom moving platform which can move along three coordinate axis directions of a three-dimensional space. The utility model further provides a camera capable of photographing the stone to judge the position of the stone irradiation point, and the camera can send the photographing result to the control terminal. As a still further scheme of the utility model, the control terminal can control the three-degree-of-freedom moving platform in real time according to the shootin