Photoacoustic coaxial endoscopic device, endoscopic system and control method

A coaxial, photoacoustic effect technology, applied in endoscopy, acoustic wave diagnosis, infrasonic wave diagnosis, etc., can solve the problems of low reception rate of ultrasonic transducer, small photoacoustic overlapping area, and low light transmission efficiency, so as to avoid The effect of low coupling efficiency, increasing the photoacoustic overlap area, and improving the signal-to-noise ratio

Pending Publication Date: 2019-03-22
SHENZHEN INST OF ADVANCED TECH
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Problems solved by technology

Although this design avoids the disadvantages of low light transmission efficiency and low reception rate of ultrasonic transducers in the catheter, the disadvantages of non-coaxial photoacoustics and small photoacoustic overlap area, resulting in shallow imaging depth, have become the constraints of the high signal-to-noise ratio of the system. factor

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  • Photoacoustic coaxial endoscopic device, endoscopic system and control method
  • Photoacoustic coaxial endoscopic device, endoscopic system and control method
  • Photoacoustic coaxial endoscopic device, endoscopic system and control method

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Embodiment Construction

[0041] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0042] It should be noted that the terms "setting" and "connection" should be understood in a broad sense, for example, they can be directly arranged and connected, or indirectly arranged and connected through a centered element or a centered structure.

[0043] In addition, if there are "vertical", "horizontal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left" and " The terms “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner” and “outer” indicate the orientation or positional relationship, which are based on the orientation or positional relationship or conven...

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Abstract

The invention is suitable for the technical field of biomedicine image equipment and discloses a photoacoustic coaxial endoscopic device, an endoscopic system and a control method. The device comprises a photoacoustic catheter enabling tissue to generate photoacoustic effect, the photoacoustic catheter comprises a catheter body, an irradiation light providing part for generating irradiation lightor guiding the same and an ultrasonic part for emitting ultrasonic wave and capable of receiving the same and photoacoustic signal, the irradiation light providing part is arranged or extends into thecatheter body, and the ultrasonic part is arranged in the catheter body; the photoacoustic catheter further comprises a mirror group for reflecting or refracting the irradiation light and then focusing the same to central axis of the ultrasonic part, and the mirror group is arranged on the outer side. The system comprises the device. The device is photoacoustically coaxial, large in photoacousticoverlapped area and excellent in imaging effect.

Description

Technical field [0001] The invention belongs to the technical field of biomedical imaging equipment, and in particular relates to a photoacoustic coaxial endoscopic device, an endoscopic system and a control method. Background technique [0002] The incidence of gastrointestinal tumors in my country has continued to increase in recent years. Early detection and treatment can greatly improve the five-year survival rate of patients. Endoscopic diagnosis is currently a common method, and it is necessary to explore new endoscopic diagnosis and treatment techniques. Photoacoustic imaging is a non-invasive biomedical imaging method. The combination of this technology and digestive endoscopy provides a new diagnosis and treatment model for high-sensitive early diagnosis of gastrointestinal tumors, showing its great application potential. [0003] Photoacoustic imaging technology not only makes up for the shortcomings of low resolution of traditional ultrasound imaging technology, but also...

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Application Information

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IPC IPC(8): A61B5/00A61B8/12A61B1/00A61B1/07
CPCA61B1/00165A61B1/07A61B5/0033A61B5/0066A61B5/0084A61B5/0095A61B8/12A61B8/44A61B8/5261
Inventor 王柏权龚小竞林日强张建辉陈宁波舒承有
Owner SHENZHEN INST OF ADVANCED TECH
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