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Out-of-plane ultrasonic guiding device

A guiding device and out-of-plane technology, applied in the direction of puncture needle, trocar, etc., can solve the problems of inaccurate puncture angle, puncture length, inaccurate puncture, and increased patient pain.

Pending Publication Date: 2020-02-07
XIANGYA HOSPITAL CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the puncture needle positioning devices used in ultrasonic out-of-plane puncture only consider the needle entry point, and are not accurate to the puncture angle, puncture length, etc., which may cause inaccurate puncture and increase the pain of patients

Method used

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Embodiment Construction

[0016] Combine below figure 1 and figure 2 The present invention is described in detail, and the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not as a limitation to the present invention.

[0017] The invention provides an out-of-plane ultrasonic guiding device, comprising a telescopic arm 1 that can be stretched laterally, the fixed end of the telescopic arm is provided with a rotary sleeve 2 outside the ultrasonic probe 6 of the ultrasonic machine, and the axial direction of the rotary sleeve is The central line coincides with the central axis of the ultrasonic probe, and the rotating sleeve can rotate around the central axis, so that the telescopic arm can be driven to any position; the transverse axis of the telescopic arm is perpendicular to the central axis, so that the telescopic arm is perpendicular to the ultrasonic probe The telescopic end of the telescopic arm is provided with a rotating mechanism 3...

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Abstract

The present invention relates to an out-of-plane ultrasonic guiding device. The out-of-plane ultrasonic guiding device comprises a telescopic arm, a fixed end of the telescopic arm is provided with arotating sleeve, an axial center line of the rotating sleeve is superposed with a central axis of an ultrasonic probe, and a transverse axis of the telescopic arm is vertical to the central axis; an telescopic end of the telescopic arm is provided with a rotating mechanism, the rotating mechanism is provided with a telescopic positioning sleeve and a microcomputer, an ultrasonic machine measures avertical distance between an intersection point of the central axis and the skin and a puncture end point, the positioning sleeve measures a vertical length between a puncture starting point and thetransverse axis, the microcomputer calculates rotating angles of the rotating mechanism according to vertical distance, vertical length and horizontal distance data, and the rotating mechanism drivesthe axis of the positioning sleeve to rotate to coincide with a straight line determined by the puncture starting point and the puncture end point according to the rotating angles. Through the telescopic arm, rotating mechanism, telescopic positioning sleeve, and microcomputer the device can realize rotation of the positioning sleeve of a positioning puncture needle, and thus can accurately position the puncture angles of the puncture needle out of a plane.

Description

technical field [0001] The invention relates to a puncture positioning device, in particular to an out-of-plane ultrasonic guiding device. Background technique [0002] In ultrasound-guided puncture, according to the relative position of the puncture needle and the ultrasound probe, it can be divided into ultrasonic in-plane puncture (the puncture needle is located in the imaging plane of the ultrasound probe) and ultrasonic out-of-plane puncture (the puncture needle is in the imaging plane of the ultrasound probe). out of plane). Compared with ultrasonic out-of-plane puncture, ultrasonic in-plane puncture can fully display the path of needle insertion and the position of needle tip, so it is widely used. For ultrasound in-plane puncture, since the puncture needle can only be visualized on the ultrasound screen and reach the target site when it moves within the imaging plane of the ultrasound probe, it is necessary to strictly control the insertion point and direction of th...

Claims

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Application Information

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IPC IPC(8): A61B17/34
CPCA61B17/3403A61B2017/3405
Inventor 杨俊骁李茜蕾郭曲练潘韫丹熊云川叶治
Owner XIANGYA HOSPITAL CENT SOUTH UNIV
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