CN103932741A - Tomography ultrasonic imaging system - Google Patents

Tomography ultrasonic imaging system Download PDF

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Publication number
CN103932741A
CN103932741A CN201410094496.3A CN201410094496A CN103932741A CN 103932741 A CN103932741 A CN 103932741A CN 201410094496 A CN201410094496 A CN 201410094496A CN 103932741 A CN103932741 A CN 103932741A
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motor
scanner
transducer
imaging system
section
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CN201410094496.3A
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CN103932741B (en
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乔士兴
王亮
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中瑞科技(常州)有限公司
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Abstract

The invention discloses a tomography ultrasonic imaging system. The tomography ultrasonic imaging system comprises an energy converting scanner 1, a drive device and an ultrasonic absorbing plate 4, wherein the drive device drives the energy converting scanner 1. The energy converting scanner 1 faces the ultrasonic absorbing plate 4, and the part between the energy converting scanner 1 and the ultrasonic absorbing plate 4 is a scanning area. The tomography ultrasonic imaging system is characterized in that the drive device comprises a first motor 2 and a second motor 3, the first motor 2 drives the energy converting scanner 1 to annularly rotate in the radial plane of the energy converting scanner 1, and the second motor 3 drives the energy converting scanner 1 to rotate in the axial plane of the energy converting scanner 1 in a fan-shaped mode. According to the tomography ultrasonic imaging system, the first motor 2 rotating in the horizontal plane and the second motor 3 rotating in the vertical plane are combined to drive the energy converting scanner 1, the edge outline of the fetal heart can be scanned, the fan-shaped section density is high, and the scanning square has more pertinence. The ultrasonic absorbing plate 4 is applied to absorb the rarefaction wave produced after fetal heart piercing, and the interference on the effective echo can be avoided.

Description

断层切面超声成像系统 Ultrasound tomographic imaging system section

技术领域 FIELD

[0001] 本发明涉及断层超声成像技术,具体涉及显示胎儿心脏正常切面的断层切面超声成像系统。 [0001] The present invention relates to an ultrasonic tomographic imaging techniques, particularly directed to imaging ultrasound tomographic slice displaying system normal fetal heart cut surface.

背景技术 Background technique

[0002] 在我国,先天性心脏病已占初生缺陷的第一位,二位超声目前仍是筛查和确诊胎儿先天性心脏病的最主要手段。 [0002] In China, congenital heart disease, birth defects accounted for the first, two ultrasound is still the most important means of screening and diagnosis of fetal congenital heart disease. 但胎儿心脏体积小、博动快,又是娇嫩器官,不允许超声照射时间过长,因此,产前胎儿心脏超声检查难度高,耗时费力。 But the small size of the fetal heart, pulsation fast, but also a delicate organ, ultrasonic irradiation does not allow for too long, therefore, prenatal fetal echocardiography high degree of difficulty, time-consuming. 近年来问世的三维超声切面成像对胎儿心脏检查所面临的这些难题能够有所帮助。 In recent years, the advent of three-dimensional ultrasound imaging section for fetal cardiac examination of these problems faced can help. 但是目前的技术采用的是不同角度的扇形切面组成的圆锥形,此种技术方案需要换能扫描器具有较大的扇形扫描区域才能够覆盖较大范围的的高密度扫描,不能够形成较好的成像效果。 However, the current technology is used in the conical section of the sector composed of different angles, such a technical solution requires a transducer having a large sector scanner will be able to cover the scan area larger high-density scanning range, can not be formed preferably imaging results.

发明内容 SUMMARY

[0003] 本发明克服了上述难题,提供一种能够细致扫描胎心轮廓的圈环形与扇形结合的三维切面成像系统。 [0003] The present invention overcomes the above problems, to provide a three-dimensional slice scanning imaging system detailed fetal contour in combination with the sector Hoop.

[0004] 本发明的技术方案是提供一种断层切面超声成像系统,包括换能扫描器、驱动所述换能扫描器的驱动装置以及超声吸收板,所述换能扫描器朝向所述超声吸收板,所述换能扫描器与所述超声吸收板之间为扫描区域,其特征在于:所述驱动装置包括第一电机和第二电机,所述第一电机驱动所述换能扫描器在其径向的平面内作圈环形旋转,所述第二电机驱动所述换能扫描器在其轴向平面内作扇形旋转。 [0004] aspect of the present invention is to provide an ultrasonic tomographic slice imaging system comprising a transducer scanner, scanner driving the transducer and an ultrasonic absorbing plate driving apparatus, the ultrasonic transducer facing the absorbent scanner plate, the transducer and the ultrasound scanner to scan an area between the absorbent sheet, wherein: said drive means comprises first and second motors, the first motor driving said transducer scanner plane as the radially inner annular rotating ring, a second scanner motor driving the transducer for the axial fan rotating in its plane.

[0005] 作为优选方案,所述第二电机驱动所述换能扫描器旋转的顶角为90°。 [0005] As a preferred embodiment, the second motor drives the rotating transducer scanner apex angle is 90 °.

[0006] 作为优选方案,所述第一电机驱动所述换能扫描器旋转形成的圈环形半径小于所述扇形两端点的最大距离。 [0006] As a preferred embodiment, the first motor drives the rotating transducer scanner Hoop formed smaller than a radius of a maximum distance of two end points of the sector.

[0007] 作为优选方案,所述第一电机和所述第二电机均为步进电机。 [0007] As a preferred embodiment, the first motor and the second motor are stepping motors.

[0008] 作为优选方案,所述第二电机的扇扫步进角为1.4°,所述第二电机每步进一步所述换能扫描器完成一次超声发射与回波接受,并形成一个扇形切面。 [0008] As a preferred embodiment, sector scan angle of the second stepping motor is 1.4 °, the second motor step each further complete a scanner of the transducer ultrasound transmitter and receiving echoes, and form a fan-shaped section .

[0009] 作为优选方案,所述第一电机的圈环旋转步进角为1°,所述第一电机每步进一次所述换能扫描器在其径向的圈环平面内转换一个位置。 [0009] As a preferred embodiment, rotation of the rings of the first motor step angle is 1 °, the first motor primary scanner converts the transducer within the loop plane in which a radial position of each step .

[0010] 作为优选方案,所述第一电机和所述第二电机交替步进。 [0010] As a preferred embodiment, the first motor and the second stepper motors are operated alternately.

[0011] 作为优选方案,所述第一电机旋转一周后,所述换能扫描器扫描的若干个所述扇形切面组成半球形三维空间6。 [0011] As a preferred embodiment, after the first revolution of the motor, the transducer of the sector scanned by the scanner section composed of a plurality of three-dimensional hemispherical 6.

[0012] 作为优选方案,所述超声吸收板能够吸收多余穿透的余波。 [0012] As a preferred embodiment, the ultrasonic absorbing plate is capable of absorbing excess penetration aftermath.

[0013] 本发明的断层切面超声成像系统,将水平面内旋转的第一电机和和在竖直面内的旋转的第二电机相结合驱动换能扫描器,能够对胎心的边缘轮廓进行扫描,扇形的切面密度较高,扫描的方形更有针对性。 [0013] The ultrasonic imaging system of a tomographic section of the present invention, combining a horizontal plane to rotate the first motor and the second motor and the rotation in a vertical plane to drive the transducer of the scanner, capable of scanning the edge contour of the fetal heart , the higher the density of fan-shaped section, a square scanned more targeted. 采用超声吸收板能够吸收穿透胎心后的余波,避免其对有效回波的干扰。 Ultrasonic absorbing plate capable of absorbing the aftermath fetal penetration, effectively avoid interference with the echoes. 附图说明 BRIEF DESCRIPTION

[0014] 图1是本发明的断层切面超声成像系统结构示意图; [0014] FIG. 1 is a schematic system configuration of an ultrasonic tomographic imaging section of the present invention;

图2是本发明的扇形切面组成三维扫描的示意图; FIG 2 is a schematic section of a fan according to the present invention is composed of three-dimensional scanning;

图3是本发明的扇形切面的不意图; FIG. 3 is a section of the fan according to the present invention is not intended;

图中:1.换能扫描器、2.第一电机、3.第二电机、4.超声吸收板、5.扇形切面、6.半球形三维空间。 FIG: transducer scanner 1, the first motor 2, a second motor 3, the ultrasonic absorbing plate 4, fan-shaped section 5, 6 hemispherical three-dimensional space......

具体实施方式 Detailed ways

[0015] 下面对本发明的具体实施方式作进一步详细的描述。 [0015] The following specific embodiments of the present invention will be described in further detail.

[0016] 如图1所示,本发明的一种断层切面超声成像系统,包括换能扫描器1、驱动换能扫描器I的驱动装置以及超声吸收板4,换能扫描器I朝向超声吸收板4,换能扫描器I与超声吸收板4之间为扫描区域,驱动装置包括第一电机2和第二电机3,第一电机2和第二电机3均为步进电机,超声吸收板4能够吸收多余穿透的余波。 [0016] As shown in a tomographic section an ultrasound imaging system of the present invention, a scanner 1 comprises a transducer, a scanner I drive the transducer driving apparatus and an ultrasonic absorbing plate 4, toward the ultrasonic transducer absorbent FIG scanner I plate 4, the ultrasound transducer I and a scanner absorbing plate 4 between the scanning region, a first drive means comprises a motor 2 and a second motor 3, a first motor 2 and the motor 3 are a second stepper motor, ultrasonic absorbing plate 4 is capable of absorbing excess penetration aftermath.

[0017] 第一电机2驱动换能扫描器I在水平面内作圈环形旋转,第一电机2驱动换能扫描器I旋转形成的圈环形半径小于所述扇形两端点的最大距离,第一电机2的圈环旋转步进角为1°,第一电机2每步进一次换能扫描器I在其径向的圈环平面内转换一个位置。 [0017] The first electric machine 2 to drive the transducer scanner I Hoop for rotation in a horizontal plane, the first motor 2 to drive the transducer scanner Hoop maximum distance less than the radius of I is formed by rotating the two end points of the segment, a first electric machine 2 rings rotation step angle of 1 °, a first transducer scanner motor 2 I converting each step in a position radially within the plane of the rings.

[0018] 第二电机3 驱动换能扫描器I在竖直平面内作扇形旋转,第二电机3驱动换能扫描器I旋转的顶角为90°,第二电机3的扇扫步进角为1.4°,第二电机3每步进一步换能扫描器I完成一次超声发射与回波接受,并形成一个扇形切面5。 [0018] The second electric machine 3 to drive the transducer scanner I fanning rotation in a vertical plane, the motor 3 driving the second rotating transducer scanner I apex angle of 90 °, a second sector sweep step angle of the motor 3 of 1.4 °, the second electric motor 3 each further step the scanner I complete a transducer ultrasound transmitter and receiving echoes, and a fan-shaped section 5 is formed.

[0019] 第一电机2和第二电机3交替步进,第一电机2旋转一周后,换能扫描器I扫描的若干个扇形切面5组成半球形三维空间6。 [0019] The first electric machine 2 and the second alternating stepping motor 3, the rotation of the first motor 2, a scanner I transducer sector scan section 5 composed of a plurality of three-dimensional semispherical 6.

[0020] 如图2和3所示,圈形电机在水平面内驱动换能扫描器I转动形成的圈环正好能够围绕胎心外轮廓进行旋转,圈环电机每旋转一步或多步后第二电机3驱动换能扫描器I在竖直平面内做一次扇形旋转,此时换能扫描器I完成一次超声发射与回波接受,并形成一个扇形切面5,每相邻的两个扇形切面5间相差第一电机2步进一步的距离和角度,由此第一电机2旋转一周后,形成的所有扫描扇形切面5组成一个半球形三维空间6结构,这个半球形三维空间6结构恰好覆盖胎心所在空间。 After [0020] 2 and 3, ring-shaped drive motor 3 in the horizontal plane of the transducer scanner I rotatable rings can be formed just rotated rings per motor step or steps around the outer contour of the second fetal heart motor 3 to drive the transducer sector scanner I do a rotation in a vertical plane, when the scanner I complete a transducer ultrasound transmitter and receiving echoes, and form a fan-shaped section 5, the two sectors each adjacent section 5 2-step phase difference between the first motor and the angular distance further, whereby the motor 2 after the first revolution, all the sector scan formed by a domed section 5 composed of three-dimensional structure 6, 6 a three-dimensional structure of this semi-spherical space covers exactly FHR where the space.

[0021]以上实施例仅为本发明其中的一种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。 Examples merely one embodiment of the present invention wherein [0021] the above embodiment, and detailed description thereof is more specific, but can not therefore be understood as limiting the scope of the present invention. 应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。 It should be noted that those of ordinary skill in the art, without departing from the spirit of the present invention, can make various changes and modifications, which fall within the protection scope of the present invention. 因此,本发明专利的保护范围应以所附权利要求为准。 Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1.断层切面超声成像系统,包括换能扫描器、驱动所述换能扫描器的驱动装置以及超声吸收板,所述换能扫描器朝向所述超声吸收板,所述换能扫描器与所述超声吸收板之间为扫描区域,其特征在于:所述驱动装置包括第一电机和第二电机,所述第一电机驱动所述换能扫描器在其径向的平面内作圈环形旋转,所述第二电机驱动所述换能扫描器在其轴向平面内作扇形旋转。 1. tomographic slice ultrasound imaging system, a scanner including a transducer, and an ultrasonic driving means absorbing plate scanner of the transducer, the transducer of the ultrasound scanner absorbing plate toward the transducer and the scanner said absorbent sheet between the ultrasonic scanning region, wherein: said drive means comprises first and second motors, a first motor for driving said transducer scanner annular ring in its plane of rotation of the radial , the second motor drives the rotating transducer scanner fanning within an axial plane.
2.根据权利要求1所述断层切面超声成像系统,其特征在于:所述第二电机驱动所述换能扫描器旋转的顶角为90°。 2. A section of the tomographic ultrasound imaging system 1 according to claim wherein: said second motor driving the rotating transducer scanner apex angle of 90 °.
3.根据权利要求2所述断层切面超声成像系统,其特征在于:所述第一电机驱动所述换能扫描器旋转形成的圈环形半径小于所述扇形两端点的最大距离。 3. The section of the tomographic ultrasound imaging system 2, characterized in that: an annular ring scanner drive the transducer formed by rotating the first motor is less than the maximum radial distance of two end points of the sector.
4.根据权利要求3所述断层切面超声成像系统,其特征在于:所述第一电机和所述第二电机均为步进电机。 4. The section of the tomographic ultrasound imaging system 3, characterized in that: said first motor and the second motor are stepping motors.
5.根据权利要求4所述断层切面超声成像系统,其特征在于:所述第二电机的扇扫步进角为1.4°,所述第二电机每步进一步所述换能扫描器完成一次超声发射与回波接受,并形成一个扇形切面。 5. The section 4 tomographic ultrasound imaging system according to claim, wherein: said second sector scan angle of the stepping motor is 1.4 °, the second motor step each further time to complete the transducer ultrasound scanner receiving transmit echo, and form a fan-shaped section.
6.根据权利要求5所述断层切面超声成像系统,其特征在于:所述第一电机的圈环旋转步进角为1°,所述第一电机每步进一次所述换能扫描器在其径向的圈环平面内转换一个位置。 The section 5 of the tomographic ultrasound imaging system as claimed in claim, wherein: the rings of the first rotation angle of the stepping motor of 1 °, the first stepping motor each time the transducer scanner converting a location within the loop of its radial plane.
7.根据权利要求6所述断层切面超声成像系统,其特征在于:所述第一电机和所述第二电机交替步进。 7. The tomographic section 6 ultrasound imaging system according to claim wherein: said first motor and the second motor step alternately.
8.根据权利要求7所述断层切面超声成像系统,其特征在于:所述第一电机旋转一周后,所述换能扫描器扫描的若干个所述扇形切面组成半球形三维空间。 8. The tomographic section 7 of the ultrasound imaging system, characterized in that: after the first revolution of the motor, the transducer of the sector scanned by the scanner section composed of a plurality of three-dimensional hemispherical.
9.根据权利要求8所述断层切面超声成像系统,其特征在于:所述超声吸收板能够吸收多余穿透的余波。 9. The tomographic section 8 of the ultrasound imaging system, characterized in that: the ultrasonic absorbing plate is capable of absorbing excess penetration aftermath.
CN201410094496.3A 2014-03-14 2014-03-14 Ultrasound tomographic imaging system section CN103932741B (en)

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