公开(公告)号：US20090171421A1

公开(公告)日：2009-07-02

申请号：US12090583

申请日：2006-10-20

Applicant: Ergin Atalar ,  Justin Allen ,  Paul Bottomley ,  William Eldelstein ,  Parag V. Karmarkar

Inventor： Ergin Atalar ,  Justin Allen ,  Paul Bottomley ,  William Eldelstein ,  Parag V. Karmarkar

IPC: A61N1/05

CPC classification number: A61N1/06 ,  A61N1/056 ,  A61N1/086

Abstract: Some embodiments are directed to MRI/RF compatible medical interventional devices. A plurality of spaced apart high impedance circuit segments are configured to have a high impedance at a high range of radiofrequencies and a low impedance at a low range of frequencies The high impedance circuit segments may comprise co-wound coiled inductors and can reduce, block or inhibit RJ-transmission along the lead system (20) during exposure to RF associated with a high-Held magnet MRI systems, while permuting passage of low frequency physiologic signals, treatments and/or stimuli The devices can include at least one electrode

Abstract translation: 一些实施例涉及MRI / RF兼容医疗介入装置。 多个间隔开的高阻抗电路段被配置为在高频范围内具有高阻抗，并且在低频率范围内具有低阻抗。高阻抗电路段可以包括共绕线圈电感器并且可以减少，阻塞或 在暴露于与高保持磁共振MRI系统相关的RF期间，沿着引导系统（20）抑制RJ-传输，同时置换低频生理信号，治疗和/或刺激的通过。该装置可以包括至少一个电极

公开(公告)号：US20080154348A1

公开(公告)日：2008-06-26

申请号：US11959045

申请日：2007-12-18

Applicant: Ergin Atalar ,  Ahmet Ermeydan

Inventor： Ergin Atalar ,  Ahmet Ermeydan

IPC: A61N1/05

CPC classification number: A61N1/056 ,  A61N1/086 ,  A61N1/37 ,  A61N1/3718

Abstract: The present invention is directed to a novel implantable lead design which ensures safe magnetic resonance imaging of patients with active metallic implants such as pacemakers, neurostimulators and implantable cardio defibrillators. It is known that radio frequency and gradient fields of the MRI scanners may induce harmful currents on the implant leads. The present invention provides for the use of semiconductor components such as transistors and diodes to prevent such undesired induced currents on the implant leads. Circuits on the implants are designed such that while the induction of currents is prevented, the desired signal transmission in between the implanted pulse generator and the body part is maintained.

Abstract translation: 本发明涉及一种新颖的可植入引线设计，其确保患有活动金属植入物如起搏器，神经刺激器和可植入心脏除颤器的患者的安全磁共振成像。 已知MRI扫描仪的射频和梯度场可能在植入物引线上引起有害电流。 本发明提供了使用诸如晶体管和二极管的半导体部件来防止植入物引线上的这种不希望的感应电流。 植入物上的电路被设计成使得在防止电流感应的同时，维持注入脉冲发生器和身体部分之间的期望的信号传输。

公开(公告)号：US20070238978A1

公开(公告)日：2007-10-11

申请号：US11761561

申请日：2007-06-12

Applicant: Ananda Kumar ,  Ergin Atalar ,  Ogan Ocali

Inventor： Ananda Kumar ,  Ergin Atalar ,  Ogan Ocali

IPC: A61B5/05

CPC classification number: G01R33/287 ,  A61B5/055 ,  A61B10/0275 ,  A61B34/20 ,  A61B2034/2051 ,  A61B2090/374 ,  A61B2090/3958 ,  G01R33/34084 ,  G01R33/341 ,  G01R33/3628 ,  G01R33/3657

Abstract: Herein is disclosed a magnetic resonance imaging antenna, including an inner conductor, an outer shield slideably displaceable with respect to the inner conductor, and an insulator electrically insulating the inner conductor from the outer shield. Herein is disclosed a biopsy needle antenna, including a magnetic resonance imaging antenna, having an outer shield, and an inner conductor electrically insulated from the outer shield by a dielectric; and a biopsy needle electrically connected to the inner conductor and electrically insulated from the outer shield by the dielectric. Herein is disclosed a method of obtaining a sample with magnetic resonance imaging guidance, including providing a sampling needle magnetic resonance imaging antenna, advancing the antenna to a structure from which the sample is to be taken, detecting magnetic resonance data by the antenna, and coupling the sample to the antenna.

Abstract translation: 这里公开了一种磁共振成像天线，其包括内部导体，可相对于内部导体可滑动地移位的外部屏蔽，以及将内部导体与外部屏蔽电绝缘的绝缘体。 本文公开了一种活检针状天线，包括具有外屏蔽的磁共振成像天线和通过电介质与外屏蔽电绝缘的内导体; 以及活组织检查针，其电连接到所述内部导体并且通过所述电介质与所述外部屏蔽层电绝缘。 本文公开了一种获得具有磁共振成像引导的样本的方法，包括提供采样针磁共振成像天线，将天线推进到要从其获取样本的结构，通过天线检测磁共振数据，以及耦合 样品到天线。

公开(公告)号：US07236816B2

公开(公告)日：2007-06-26

申请号：US10131601

申请日：2002-04-24

Applicant: Ananda Kumar ,  Ergin Atalar ,  Ogan Ocali

Inventor： Ananda Kumar ,  Ergin Atalar ,  Ogan Ocali

IPC: A61B5/055

CPC classification number: G01R33/287 ,  A61B5/055 ,  A61B10/0275 ,  A61B34/20 ,  A61B2034/2051 ,  A61B2090/374 ,  A61B2090/3958 ,  G01R33/34084 ,  G01R33/341 ,  G01R33/3628 ,  G01R33/3657

Abstract: Herein is disclosed a magnetic resonance imaging antenna, including an inner conductor, an outer shield slideably displaceable with respect to the inner conductor, and an insulator electrically insulating the inner conductor from the outer shield. Herein is disclosed a biopsy needle antenna, including a magnetic resonance imaging antenna, having an outer shield, and an inner conductor electrically insulated from the outer shield by a dielectric; and a biopsy needle electrically connected to the inner conductor and electrically insulated from the outer shield by the dielectric. Herein is disclosed a method of obtaining a sample with magnetic resonance imaging guidance, including providing a sampling needle magnetic resonance imaging antenna, advancing the antenna to a structure from which the sample is to be taken, detecting magnetic resonance data by the antenna, and coupling the sample to the antenna.

Abstract translation: 这里公开了一种磁共振成像天线，其包括内部导体，可相对于内部导体可滑动地移位的外部屏蔽，以及将内部导体与外部屏蔽电绝缘的绝缘体。 本文公开了一种活检针状天线，包括具有外屏蔽的磁共振成像天线和通过电介质与外屏蔽电绝缘的内导体; 以及活组织检查针，其电连接到所述内部导体并且通过所述电介质与所述外部屏蔽层电绝缘。 本文公开了一种获得具有磁共振成像引导的样本的方法，包括提供采样针磁共振成像天线，将天线推进到要从其获取样本的结构，通过天线检测磁共振数据，以及耦合 样品到天线。

公开(公告)号：US20070088416A1

公开(公告)日：2007-04-19

申请号：US11560055

申请日：2006-11-15

Applicant: Ergin Atalar ,  Robert Susil

Inventor： Ergin Atalar ,  Robert Susil

IPC: A61N1/00

CPC classification number: A61N1/08 ,  A61B5/042 ,  A61B18/14 ,  A61N1/05 ,  A61N1/056 ,  A61N1/086 ,  A61N1/3718

Abstract: Herein is disclosed a probe, including a first electrode disposed at least partially on the probe surface, a second electrode disposed at least partially on the probe surface, a first conductor electrically coupled to the first electrode, a second conductor electrically coupled to the second electrode, and a reactive element electrically coupling the first conductor and the second conductor.

Abstract translation: 本文公开了一种探针，包括至少部分地设置在探针表面上的第一电极，至少部分地设置在探针表面上的第二电极，电耦合到第一电极的第一导体，电耦合到第二电极的第二导体 以及电耦合第一导体和第二导体的电抗元件。

公开(公告)号：US20060241368A1

公开(公告)日：2006-10-26

申请号：US10512150

申请日：2003-04-22

Applicant: Gabor Fichtinger ,  Ergin Atalar ,  Louis Whitcomb ,  Robert Susil ,  Attila Tanacs ,  Axel Krieger

Inventor： Gabor Fichtinger ,  Ergin Atalar ,  Louis Whitcomb ,  Robert Susil ,  Attila Tanacs ,  Axel Krieger

IPC: A61B5/05

CPC classification number: G01R33/287 ,  A61B5/055 ,  A61B5/06 ,  A61B5/065 ,  A61B6/12 ,  A61B8/0833 ,  A61B8/0841 ,  A61B8/12 ,  A61B8/445 ,  A61B10/0241 ,  A61B17/3403 ,  A61B17/3478 ,  A61B34/20 ,  A61B2017/00274 ,  A61B2018/00547 ,  A61B2034/107 ,  A61B2034/2051 ,  A61B2090/365 ,  A61B2090/378 ,  A61B2090/3784 ,  A61B2090/3954 ,  A61B2090/3958

Abstract: The end-effector (150) includes a sheath (152) and a medical device or needle carrier (154) that is disposed within the interior compartment (166) of the sheath. Aperture (162) is located in a portion of the sheath proximal a distal end of the sheath that is inserted into a natural or artificial cavity. This device is guided by a real-time imager.

Abstract translation: 末端执行器（150）包括护套（152）和设置在护套的内部隔室（166）内的医疗装置或针架（154）。 孔（162）位于护套的远端的鞘的一部分中，其插入天然或人造腔中。 该设备由实时成像仪指导。

公开(公告)号：US20060122493A1

公开(公告)日：2006-06-08

申请号：US11136329

申请日：2005-05-24

Applicant: Ergin Atalar ,  Harald Quick ,  Parag Karmarkar

Inventor： Ergin Atalar ,  Harald Quick ,  Parag Karmarkar

IPC: A61B5/05

CPC classification number: G01R33/34084 ,  A61B1/273 ,  A61B1/303 ,  A61B1/307 ,  A61B1/31 ,  A61B5/055 ,  A61B5/415 ,  A61B5/418 ,  A61B5/4381 ,  G01R33/285 ,  G01R33/34007 ,  G01R33/341 ,  H01Q1/36 ,  H01Q1/362 ,  H01Q1/40 ,  H01Q1/44 ,  H01Q11/08

Abstract: Systems and methods for the evaluation of the urethra and periurethral tissues may involve an MRI coil adapted for insertion into the male, female or pediatric urethra. The MRI coil may be in electrical communication with an interface circuit made up of a tuning-matching circuit, a decoupling circuit and a balun circuit. The interface circuit may also be in electrical communication with a MRI machine. In certain practices, the present invention provides methods for the diagnosis and treatment of conditions involving the urethra and periurethral tissues, including disorders of the female pelvic floor, conditions of the prostate and anomalies of the pediatric pelvis.

Abstract translation: 用于评估尿道和尿道周围组织的系统和方法可以包括适于插入到男性，女性或儿科尿道中的MRI线圈。 MRI线圈可以与由调谐匹配电路，去耦电路和平衡 - 不平衡转换电路组成的接口电路电连通。 接口电路也可以与MRI机器电连通。 在某些实践中，本发明提供了用于诊断和治疗涉及尿道和尿道周围组织的病症的方法，包括女性骨盆底部疾病，前列腺疾病和儿科骨盆异常。

公开(公告)号：US20060100506A1

公开(公告)日：2006-05-11

申请号：US11314241

申请日：2005-12-22

Applicant: Henry Halperin ,  Ronald Berger ,  Ergin Atalar ,  Elliot McVeigh ,  Albert Lardo ,  Hugh Calkins ,  Joao Lima

Inventor： Henry Halperin ,  Ronald Berger ,  Ergin Atalar ,  Elliot McVeigh ,  Albert Lardo ,  Hugh Calkins ,  Joao Lima

IPC: A61B5/05

CPC classification number: A61B5/055 ,  A61B5/415 ,  A61B5/418 ,  A61B18/1492 ,  A61B90/36 ,  A61B2017/00039 ,  A61B2017/00053 ,  A61B2090/374 ,  G01R33/285 ,  G01R33/34084 ,  G01R33/4808 ,  G01R33/5601

Abstract: A system and method for using magnetic resonance imaging to increase the accuracy of electrophysiologic procedures includes an invasive combined electrophysiology and imaging antenna catheter which includes an RF antenna for receiving magnetic resonance signals and diagnostic electrodes for receiving electrical potentials. The combined electrophysiology and imaging antenna catheter is used in combination with a magnetic resonance imaging scanner to guide and provide visualization during electrophysiologic diagnostic or therapeutic procedures, such as ablation of cardiac arrhythmias. The combined electrophysiology and imaging antenna catheter may further include an ablation tip, and be used as an intracardiac device to deliver energy to selected areas of tissue and visualize the resulting ablation lesions. The antenna utilized in the combined electrophysiology and imaging catheter for receiving MR signals is preferably of the coaxial or “loopless” type. High-resolution images from the antenna may be combined with low-resolution images from surface coils of the MR scanner to produce a composite image. A system for eliminating the pickup of RF energy in which intracardiac wires are detuned by filtering so that they become very inefficient antennas. An RF filtering system is provided for suppressing the MR imaging signal while not attenuating the RF ablative current. Steering means may be provided for steering the invasive catheter under MR guidance. Other ablative methods can be used such as laser, ultrasound, and low temperatures.

Abstract translation: 使用磁共振成像来提高电生理过程精度的系统和方法包括侵入性组合电生理学和成像天线导管，其包括用于接收磁共振信号的RF天线和用于接收电位的诊断电极。 组合的电生理学和成像天线导管与磁共振成像扫描仪组合使用以在电生理诊断或治疗过程（例如心律失常消融）中引导和提供可视化。 组合的电生理学和成像天线导管还可以包括消融尖端，并且用作心内装置以将能量传递到组织的选定区域并且可视化所得到的消融损伤。 在组合的电生理学和成像导管中用于接收MR信号的天线优选地是同轴的或“无绒毛”的。 来自天线的高分辨率图像可以与来自MR扫描器的表面线圈的低分辨率图像组合以产生合成图像。 用于消除RF能量的拾取的系统，其中心内线通过滤波失谐，使得它们变得非常低效的天线。 提供RF滤波系统，用于抑制MR成像信号，同时不衰减RF消融电流。 可以提供转向装置用于在MR引导下转导侵入性导管。 可以使用其他烧蚀方法，如激光，超声和低温。

公开(公告)号：US06898454B2

公开(公告)日：2005-05-24

申请号：US09824536

申请日：2001-04-02

Applicant: Ergin Atalar ,  Harald Hartmann Quick ,  Parag Karmarkar

Inventor： Ergin Atalar ,  Harald Hartmann Quick ,  Parag Karmarkar

IPC: A61B1/273 ,  A61B1/303 ,  A61B1/307 ,  A61B1/31 ,  A61B5/055 ,  G01R33/28 ,  G01R33/34 ,  H01Q1/36 ,  H01Q1/40 ,  H01Q1/44 ,  H01Q11/08 ,  A01B5/05

CPC classification number: G01R33/34084 ,  A61B1/273 ,  A61B1/303 ,  A61B1/307 ,  A61B1/31 ,  A61B5/055 ,  A61B5/415 ,  A61B5/418 ,  A61B5/4381 ,  G01R33/285 ,  G01R33/34007 ,  G01R33/341 ,  H01Q1/36 ,  H01Q1/362 ,  H01Q1/40 ,  H01Q1/44 ,  H01Q11/08

Abstract: The present invention provides systems and methods for the evaluation of the urethra and periurethral tissues using an MRI coil adapted for insertion into the male, female or pediatric urethra. The MRI coil may be in electrical communication with an interface circuit made up of a tuning-matching circuit, a decoupling circuit and a balun circuit. The interface circuit may also be in electrical communication with a MRI machine. In certain practices, the present invention provides methods for the diagnosis and treatment of conditions involving the urethra and periurethral tissues, including disorders of the female pelvic floor, conditions of the prostate and anomalies of the pediatric pelvis.

Abstract translation: 本发明提供了使用适于插入到男性，女性或儿科尿道中的MRI线圈来评估尿道和尿道周围组织的系统和方法。 MRI线圈可以与由调谐匹配电路，去耦电路和平衡 - 不平衡转换电路组成的接口电路电连通。 接口电路也可以与MRI机器电连通。 在某些实践中，本发明提供了用于诊断和治疗涉及尿道和尿道周围组织的病症的方法，包括女性骨盆底部疾病，前列腺疾病和儿科骨盆异常。

公开(公告)号：US06778689B1

公开(公告)日：2004-08-17

申请号：US09681224

申请日：2001-02-28

Applicant: Pelin Aksit ,  J. Andrew Derbyshire ,  Ergin Atalar

Inventor： Pelin Aksit ,  J. Andrew Derbyshire ,  Ergin Atalar

IPC: G06K900

CPC classification number: G01R33/4833 ,  A61B5/055 ,  A61B5/06 ,  A61B5/7257 ,  G01R33/285 ,  G06T15/20

Abstract: A real-time imaging and visualization method and system that allows multiple field-of-view imaging on multiple receiver channels is disclosed. The method and system implement a semi-bit reversed modified phase-encoding scheme to acquire identical data over all receiver channels, and to reconstruct independently on each channel an image thereby providing multiple FOV images. The method and system provide for real-time catheter tracking where separate receiver channels collect anatomical roadmap data, guidewire data, and catheter data. The present invention uses a loopless antenna to acquire projection images thereby allowing the entire antenna and structures within its diameter of sensitivity to appear as a bright signal and a long narrow connected region. The present invention allows for very narrow FOV imaging for guidewire and catheter channels as well as full FOV imaging for roadmap image reconstruction. Thus, multiple FOV images are displayed together, improving visualization of the interventional device placement.

Abstract translation: 公开了一种实时成像和可视化方法和系统，其允许在多个接收机通道上进行多个视场成像。 该方法和系统实现了一种半位反向修改的相位编码方案，以在所有接收机通道上采集相同的数据，并且在每个通道上独立地重构图像从而提供多个FOV图像。 该方法和系统提供实时导管跟踪，其中单独的接收器通道收集解剖路线图数据，导丝数据和导管数据。 本发明使用无孔天线来获取投影图像，从而允许整个天线和结构在其直径范围内呈现为亮信号和长窄连接区域。 本发明允许用于导丝和导管通道的非常窄的FOV成像以及用于路线图像重建的全FOV成像。 因此，多个FOV图像被一起显示，改善介入装置放置的可视化。