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an ultrasonic needle

An ultrasound and handle adjustment technology, which is applied in the field of ultrasound needles, can solve the problems of inconvenient clinical operation and increase the doctor's operation requirements, and achieve the effects of avoiding cooperation risks, reducing operation complexity, and ensuring accuracy

Active Publication Date: 2017-04-05
MICRO TECH (NANJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the existing EBUS needle / EUS needle is used, after the predetermined needle insertion depth is determined by the safety lock, the needle is manually pushed out by the handle. The operational requirements bring a lot of inconvenience to the implementation of clinical operations

Method used

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  • an ultrasonic needle
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Examples

Experimental program
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Effect test

Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] Such as figure 1 , the present invention includes a needle core joint 1, a catheter fixing member 2, a needle adjustment tube 3, a proximal locking member 4, a needle outlet adjustment handle 5, a needle outlet adjustment lock 6, a handle 7, a distal locking member 8, an outer tube Adjusting tube 9, needle 10 and outer tube 11, wherein the needle 10 is connected to the core joint 1, and the needle core joint 1 is provided with a catheter fixing part 2, a needle regulating tube 3, and a proximal locking part in turn to the distal end of the needle 10 4. Needle outlet adjustment handle 5, needle outlet adjustment lock 6, handle 7, distal locking member 8 and outer tube adjustment tube 9, wherein needle core joint 1 and catheter fixing member 2 are connected by thread, catheter fixing member 2 and needle The adjustment tube 3 is threaded, and the outside of the ...

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PUM

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Abstract

The invention provides an ultrasonic needle. The ultrasonic needle comprises a needle, an outer tube and a handle, wherein the needle is internally arranged in the outer tube, the proximal end of the needle is connected with a needle core connector, a guide pipe fixing member and a needle adjusting pipe which are connected with each other are sequentially arranged on the needle core connector towards the distal end side, a proximal end locking member and a needle withdraw adjusting handle which are connected with each other sleeve the needle adjusting pipe, the needle withdraw adjusting handle is movably connected with a needle withdraw adjusting lock, the needle withdraw adjusting lock is provided with a guiding cavity with snapping grooves, the guiding cavity is embedded in the needle withdraw adjusting handle, the snapping grooves comprise an axial guiding groove and a locking groove in the radial direction of the distal end of the guiding groove, a snapping pin adapted to the snapping grooves is arranged inside the distal end of the needle withdraw adjusting handle, and a pressure spring is arranged between the guiding cavity and the needle withdraw adjusting handle.

Description

technical field [0001] The invention relates to a medical device, in particular to an ultrasonic needle capable of entering into a human body for puncturing. Background technique [0002] Under the guidance of bronchoscopic ultrasonography / endoscopic ultrasonography, tissue or cytology samples are obtained after puncture and aspiration, which is often called EBUS / EUS examination in clinical practice. EBUS can locate the specific location of extrabronchial lesions through ultrasound (conventional bronchoscopy can only see the lesions in the trachea and bronchus), and avoid blood vessels under the guidance of color Doppler, and obtain the corresponding location through needle aspiration and biopsy. Cells and tissues, so as to achieve the purpose of diagnosing diseases. EUS is more accurate in staging primary tumors and local nodules in pancreatic cancer. [0003] The key to EBUS / EUS examination is to successfully obtain the required tissue or cytology samples, and the biopsy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/34
CPCA61B17/34A61B17/3478A61B2017/3413
Inventor 李常青马修·奥滕杰里·谢弗科里·甘纳森乔恩·巴扎德约翰·伯克吉姆·豪斯卡尔·范德比克
Owner MICRO TECH (NANJING) CO LTD
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