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Adaptive intracavitary brachytherapy applicator

一种放射治疗、施源器的技术，应用在放射疗法、治疗等方向

Inactive Publication Date: 2007-07-25
BOARD OF RGT THE UNIV OF TEXAS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this applicator is not designed to be used with any shielding, so its use would result in unnecessarily high doses of radiation to the rectum and bladder or other surrounding tissues, which could lead to clinical complications

Method used

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  • Adaptive intracavitary brachytherapy applicator
  • Adaptive intracavitary brachytherapy applicator
  • Adaptive intracavitary brachytherapy applicator

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Embodiment Construction

[0033] The present invention provides a novel adaptive brachytherapy applicator that is compatible with image acquisition and includes one or more remotely controlled radial (rotatable) And linear (translational) moving shields, tandem tubes, or other structures that include lumens of radioactive sources. The new applicator can be used for LDR, PDR and / or HDR brachytherapy. It is expected that certain embodiments of the present invention will be used to improve current ICBT clinical outcomes, particularly by reducing complication rates.

[0034] The ability to change the position of any shield during image acquisition, such as a CT scan, can reduce imaging artifacts, thereby increasing the accuracy of delineating important anatomical structures. Improvements in target delineation accuracy allow adjustments to the minimum target dose and isodose surface shape of the prescription. In addition, the moveable shield can provide increased degrees of freedom, thereby allowing itera...

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Abstract

The invention is a novel adaptive CT-compatible brachytherapy applicator with remotely-controlled radial and longitudinal motion radioactive source lumen shields that can be manipulated by the radiation oncologist to optimize the dose distribution to the target and normal tissue structures for brachytherapy procedures.

Description

[0001] References to related applications [0002] This application claims priority to US Provisional Application No. 60 / 589,369, filed July 20,2004. technical field [0003] The invention disclosed herein provides a novel adaptive image acquisition compatible intracavitary brachytherapy (ICBT) applicator having a remote vaginal insert holder shield operable Shielding is used in cancer brachytherapy procedures to minimize artifacts in computed tomography imaging or to optimize dose distribution to target and normal tissue structures. Background technique [0004] In the year 2003, more than 12,000 new cases of cervical cancer are expected to be diagnosed in the United States (American Cancer Society, Cancer Facts and Figures 2003). ICBT is a major part of the treatment plan for cervical cancer. It is also used in the treatment of other gynecological malignancies such as vaginal and endometrial cancers. Overall, there are about 56,000 new cases of these cancers in the Unit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N5/00
CPCA61N5/1016
Inventor 菲瑞斯·穆尔塔达约翰·霍顿帕特里夏·埃菲尔努贾·杰翰格兰艾拉·斯波
Owner BOARD OF RGT THE UNIV OF TEXAS SYST
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