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    • 4. 发明申请
    • SCINTIGRAPHIC DIRECTIONAL DETECTOR
    • SCINTIGRAPHIC方向检测器
    • WO2013168188A2
    • 2013-11-14
    • PCT/IT2013/000131
    • 2013-05-08
    • CONSIGLIO NAZIONALE DELLE RICERCHE (CNR)
    • SOLURI, AlessandroMASSARI, Roberto
    • G01T1/161G01T7/12
    • G01T1/161G01T7/12
    • A scintigraphic directional detector comprises a plurality of detecting elements (10) distinct from each other for simultaneously detecting gamma rays directed in different directions, each detecting element (10) comprising at least one scintillation crystal (11) and a corresponding electronic converter (12) associated with the crystal (1 1) to receive an optical signal from the crystal (1 1) and convert it into an electric signal. Each detecting element (10) is associated with a respective collimator made of a material with a high atomic number and designed to block the gamma rays incident upon the detecting element (10) at a predetermined external solid angle (α, β, γ).
    • 闪烁照相方向检测器包括彼此不同的多个检测元件(10),用于同时检测指向不同方向的伽马射线,每个检测元件(10)包括至少一个闪烁晶体(11)和相应的电子转换器(12) 与晶体(11)相关联以从晶体(11)接收光信号并将其转换为电信号。 每个检测元件(10)与由原子序数高的材料制成的相应的准直器相关联,并被设计成以预定的外部立体角(α,β,γ)阻挡入射在检测元件(10)上的伽马射线。
    • 5. 发明申请
    • SCINTIGRAFIC DEVICE WITH VARIABLE RESOLUTION
    • 具有可变分辨率的SCINTIGRAFIC设备
    • WO2005116689A1
    • 2005-12-08
    • PCT/IT2005/000274
    • 2005-05-12
    • CNR- CONSIGLIO NAZIONALE DELLE RICERCHESOLURI, AlessandroSCAFÈ, RaffaelePIANO, MarcoSCOPINARO, Francesco
    • SOLURI, AlessandroSCAFÈ, RaffaelePIANO, MarcoSCOPINARO, Francesco
    • G01T1/161
    • G01T1/161A61B6/4258
    • The invention relates to a scintigraphic device (1) comprising a case (2) open at an application end (2a), and coated by a shielding shell; a collimator (3) positioned inside the case (2), made of a material with high atomic number and high density and having a plurality of collimation channel (4) extending mutually parallel according to a predefined direction of measurement ("X"); a measuring member (5) positioned inside the case (2) in proximity to the collimator (3) and comprising a scintillation crystal or converter (6), able to convert each ionising radiation originating from a source in exam into light radiation, and at least one photosensor (7), for determining the energy and the position of each detected event. The measuring member (5) and the collimator (3) are relatively movable to increase and/or reduce the distance between the converter (6) and the application end (2a) and consequently to vary the total length of the collimator. The collimator can be constituted by two or more blocks (10, 11, 12), whereof at least one is movable relative to the others in such a way as to elongate and/or shorten in relation to the displacements of the measuring member (5). Alternatively, the collimator can be constituted by a single block (3) and the distance between the application end (2a) and the measuring member (5) is varied by actuating the measuring member (5) itself.
    • 本发明涉及一种闪烁照相装置(1),包括在施用端(2a)处开口并由屏蔽壳涂覆的壳体(2) 位于所述壳体(2)内部的准直器(3),由原子数高且密度高的材料制成,并且具有根据预定的测量方向(“X”)相互平行延伸的多个准直通道(4)。 位于所述壳体(2)的靠近所述准直器(3)的测量部件(5),并且包括闪烁晶体或转换器(6),所述闪烁晶体或转换器能够将来自检测源的每个电离辐射转换成光辐射;以及 至少一个光电传感器(7),用于确定每个检测到的事件的能量和位置。 测量构件(5)和准直器(3)相对可移动以增加和/或减小转换器(6)和应用端(2a)之间的距离,并因此改变准直器的总长度。 准直器可以由两个或更多个块(10,11,12)构成,其中至少一个可以相对于其它块移动,以便相对于测量构件(5)的位移伸长和/或缩短 )。 或者,准直器可以由单个块(3)构成,并且通过致动测量构件(5)本身来改变施加端(2a)和测量构件(5)之间的距离。
    • 6. 发明申请
    • MULTIFUNCTION GAMMA RADIATION DETECTOR
    • WO2022023853A1
    • 2022-02-03
    • PCT/IB2021/056322
    • 2021-07-14
    • CONSIGLIO NAZIONALE DELLE RICERCHE
    • SOLURI, AlessandroMASSARI, Roberto
    • G01T1/161A61B6/00
    • A multifunction gamma radiation detector (R) comprising a supporting rod (10), a detection head (20) coupled to or integrated with a first end (10a) of the supporting rod (10) comprising a plurality of detection elements (21a, 21b, 21c) which are separate from each other for simultaneously detecting gamma radiation directed along respective directions. Each detection element (21a, 21b, 21c) comprises at least one scintillation crystal (22) and a corresponding first electronic conversion circuitry for receiving an optical signal from the crystal (22) and converting it into an electrical signal. The detector (R) also comprises a handgrip (30), connectable to a second end (10b) of the supporting rod (10) and which can be manually gripped by an operator to direct the detector (R), and a second electronic circuitry for converting and/or treating the signals connected to the first electronic conversion circuitry. The head (20) also comprises at least one optical detection device (24) configured to acquire a sequence of optical signals emitted by a suitably energised body tissue. The detection elements (21a, 21b, 21c) are angularly distributed on the detection head (20) about the at least one optical detection device (24).
    • 9. 发明申请
    • SCINTIGRAPHIC MEASUREMENT DEVICE WITH EXTENDED AREA
    • WO2022185147A1
    • 2022-09-09
    • PCT/IB2022/051576
    • 2022-02-23
    • CONSIGLIO NAZIONALE DELLE RICERCHE
    • SOLURI, AlessandroMASSARI, Roberto
    • G01T1/164G01T1/20
    • Described is a scintigraphic measurement device with extended area, comprising a measurement structure (20) defined by a matrix (21) of scintillation crystals (22) and an optoelectronic network (23) for the conversion of photons into electrical signals; a collimator (10) provided with a plurality of collimation channels (11); an electronic processing unit (30) applied to the measurement structure (20) for processing the electrical signals generated by the measurement structure (20); wherein the optoelectronic network (23) is defined by a matrix of optoelectronic conversion modules (24) connected to each other according to a two-dimensional distribution to cover the entire measurement area, each optoelectronic conversion module (24) comprising a two-dimensional matrix of individual elements (40) "Multi Pixel Photon Counter" (MPPC) or individual "Silicon PhotoMultiplier" elements (SiPM) which are electrically interconnected, and wherein the optoelectronic conversion modules (24) are electrically connected to each other along rows and columns by a plurality of channels for each row or column and the electronic processing unit (30) is connected to the optoelectronic network (23) for measuring a total electric current of each channel delivered by the optoelectronic conversion modules (24) positioned on said channel.