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Method and device for aligning needle

A device, a needle-like technology, applied in the field of devices for implementing the method, can solve the problems of undetectable identification, needle damage to organs, deviation, etc., and achieve the effect of efficient and intuitive working mode

Inactive Publication Date: 2011-08-17
KONINKLIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rotation of the needle relative to an axis parallel to or contained in the viewing plane is not detectably discernible in that viewing plane and therefore remains uncontrollable for the physician
This can cause a deviation of the needle relative to the path from the entry point to the target point
Therefore, the needle may damage vital organs

Method used

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  • Method and device for aligning needle
  • Method and device for aligning needle

Examples

Experimental program
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Embodiment Construction

[0035] figure 1A flow diagram representing an embodiment of the method according to the invention is shown. The method is arranged to move a needle-shaped object within the body along a path from a given entry point to a given target point during a percutaneous intervention. A first step 102 consists in inserting a needle-shaped object into a guide post comprised in a guide unit supported by a support unit. Prior to this, both the needle-shaped object and the support unit must be stripped together with the guide unit, or at least the guide unit, from their sterile packaging. A second step 104 consists of fitting a needle-like object at the entry point, and subsequently fitting the support unit close to the body. It should be noted that steps 102 and 104 can be interchanged with each other, ie the support body can be mounted close to the body before inserting the needle-shaped object into the guide post. A third step 106 includes applying an imaging plane by an imaging modal...

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PUM

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Abstract

A method and a device for use in conjunction with an imaging modality (202), for controlling the angular orientation of a needle-shaped object (212) while moving it along a path (214) from a given entry point to a given target point in a body during a percutaneous intervention. The device comprises a support unit (502, 602, 702, 802) for supporting a guiding unit (506, 706), which support unit provides a pair of parallel control planes (604, 606) which are at least partially detectable by the imaging modality. The guiding unit establishes a guiding axis (612, 818) substantially perpendicular to the pair of parallel control planes along which guiding axis the needle-shaped object is translatable. The angular orientation of an imaging plane (204) applied by the imaging modality determines a reference for the angular orientation of the pair of parallel control planes. By aligning the pair of parallel control planes with the imaging plane, the guiding axis is in correlation with the path from the entry point to the target point.

Description

technical field [0001] The present invention relates to a method used in conjunction with an imaging modality for guiding a needle-like object in vivo during a percutaneous intervention along a path connecting a given entry point and a given target point. [0002] The invention also relates to a device for carrying out the method. Background technique [0003] US-A 2007 / 0135708 discloses a needle guidance device utilized by medical professionals to guide a needle along a needle insertion trajectory to a target. Targets can be located using methods that utilize fluorescence. The needle guiding device is at least partially constructed of a radiation opaque material and is visible in the fluorescent display when it is placed in a fluorescent axis beam emitted by the fluorescent emitter to the fluorescent receiver. The knowledge of the relative positioning of the needle guidance device and the fluoroscopic axial beam is used by the medical professional to guide the needle to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/34
CPCA61B2017/3411A61B2017/3405A61B2019/5238A61B17/3403A61B19/201A61B19/5225A61B2090/376A61B90/11A61B90/37
Inventor R·J·F·霍曼D·巴比克
Owner KONINKLIJKE PHILIPS NV
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