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Stereotactic access devices and methods

A technology of stereotaxic and fixed device, which is used in stereotaxic surgical instruments, medical science, surgery, etc.

Active Publication Date: 2017-02-22
VISUALASE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both systems may also require additional time and resources to set up in the operating room
Finally, since the skin fiducial can move relative to the subcutaneous skull, additional errors will be found in terms of registration alone

Method used

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  • Stereotactic access devices and methods
  • Stereotactic access devices and methods
  • Stereotactic access devices and methods

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Embodiment Construction

[0040] Exemplary embodiments will now be described more fully with reference to the accompanying drawings.

[0041] The detailed description given below is intended as a description of the devices, methods and materials provided according to aspects of the invention, given by way of example, and is not intended to represent the only forms in which the invention may be practiced or used. It is to be understood, however, that the same or equivalent functions and components may be performed by different embodiments, which are also intended to be included within the spirit and scope of the invention.

[0042] Unless defined to the contrary, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although any methods, devices and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention, exemplary methods, devices a...

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Abstract

This invention is directed to devices and methods for stereotactic access, and particularly to a frameless stereotactic access device for accessing a body cavity and methods therefor. In general, a stereotactic device may include portions or features for fixing the device to a portion of a patient's body, such as, for example, a skull, such that the device may be generally spatially fixed in relation to the patient's body or part thereof. The stereotactic device may also generally include portions or features for guiding a medical device or other device at a particular trajectory in relation to the patient's body or part thereof.

Description

technical field [0001] The present invention relates to devices and methods for stereotactic access, and in particular to frameless stereotactic access devices for accessing body cavities and methods therefor. Background technique [0002] This section provides background information related to the present disclosure which is not prior art. [0003] Stereotaxic head frames have a long and proven history in neurosurgery. The two most commonly used are the Leksell (Elekta) and CRW (Integra Neurosciences) frameworks. During these procedures, the frame is mounted to the head with threaded pins directly against the patient's skull for fixation at four points. Next, the head with the attached frame is imaged by CT or MRI to identify objects relative to the outer frame manually or more by computer software. Since the frame and target can be viewed through the image, the distance of the target from a given reference point on the frame can be measured in three coordinates. Then, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B90/11A61B17/34
CPCA61B2017/3407A61B2090/103A61B2090/3983A61B2090/3966A61B90/11A61B17/3423
Inventor A·高达R·J·麦克尼克斯C·豪斯勒M·阿乎加R·帕特瓦德汉
Owner VISUALASE
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