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Embedded PET-CT synchronous scanning device based on SiPM

A PET-CT and synchronous scanning technology, which is applied in the field of medical devices, can solve the problems of poor registration accuracy, long scanning time, and high radiation dose of PET-CT, and achieve the goals of improving registration accuracy, reducing radiation dose, and shortening scanning time Effect

Inactive Publication Date: 2015-06-10
FMI MEDICAL SYST CO LTD
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Problems solved by technology

At present, the traditional tandem PET-CT device has the following problems: poor registration accuracy of PET-CT, motion artifact caused by breathing or moving of the patient during scanning, long scanning time, high radiation dose, etc.

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  • Embedded PET-CT synchronous scanning device based on SiPM

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Embodiment Construction

[0011] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0012] Please refer to figure 1 As shown, the preferred embodiment of the SiPM-based embedded PET-CT synchronous scanning device of the present invention includes a CT frame 1 and a patient support plate 2, and the patient support plate 2 is arranged along the axis of the CT frame 1 and can pass through the CT frame. Rack 1. A first PET detector ring 3 , a second PET detector ring 4 and a CT detector 5 are arranged in the CT gantry 1 . The first PET detector ring 3 and the second PET detector ring 4 are embedded in the CT gantry 1 in parallel, and the CT detector...

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Abstract

The invention relates to an embedded PET-CT synchronous scanning device based on SiPM. The synchronous scanning device comprises a CT frame and a patient support plate. The patient support plate is arranged along the axis of the CT frame and can penetrate the CT frame, a first PET detector ring, a second PFT detector ring and a CT detector are arranged in the CT frame. The first PET detector ring and the second PET detector ring are embedded in the CT frame in parallel, and the CT detector is arranged between the first PET detector ring and the second PET detector ring and located on the lower portions of the first PET detector ring and the second PET detector ring. The scanning device achieves synchronous scanning of PET and CT in time and space, effectively improves PET-CT alignment accuracy, removes motion artifact of traditional PET-CT caused by breathing or moving of the patient in the scanning process, reduces scanning time and reduces radiation dosage.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a SiPM-based embedded PET-CT synchronous scanning device. Background technique [0002] Positron emission tomography (PET) is a nuclear medicine imaging technique that provides three-dimensional and functional images of a patient's whole body. [0003] Traditional PET systems are based on PMT (Photomultiplier Tube, photomultiplier tube), PMT output signal is small (less than 5 millivolts), high working voltage (1000-1500 volts), susceptible to external environmental interference (electromagnetic field, temperature, etc.), Large volume, when it is combined with CT to form PET-CT, PET can only be located outside the CT frame (front or back). At present, the traditional tandem PET-CT device has the following problems: poor registration accuracy of PET-CT, motion artifact caused by breathing or moving of the patient during scanning, long scanning time, high radiation dose,...

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Application Information

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IPC IPC(8): A61B6/03
Inventor 胡玮马兴江强尼·N张勇邓晓皮尤什·S王剑于晓路牛晓旭姜远东王鑫李蒙
Owner FMI MEDICAL SYST CO LTD
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