Endoscopic multi-organ puncture instrument

A multi-organ and device technology, applied in the field of medical devices, can solve problems such as missed diagnosis, complicated operation and training of personnel, and influence on operation, and achieve the effect of simplifying operation procedures and reducing cross-contamination

Active Publication Date: 2016-11-30
常州德天医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The blood coagulates in the syringe and needle, which may cause blockage of the tube and affect the operation
It may also be due to excessive blood clots, a large number of blood cells affect the microscopic field of view during the examination, resulting in missed diagnosis
In addition, the existing endoscopic puncture equipment has poor versatility and is generally only suitable for one or several puncture purposes, resulting in low utilization of equipment, complicated operation and training of personnel, increased use and manufacturing costs, and waste of resources, etc. question

Method used

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  • Endoscopic multi-organ puncture instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as figure 1 As shown, the endoscopic multi-organ universal puncture instrument of the present invention includes a V-shaped component, a flexible plastic tube, a flexible needle tube, a guide wire and an external fixator. Wherein the V-shaped part includes a side channel part, a straight channel part and a needle tube connection part. Wherein the side channel and the straight channel meet inside the connecting part of the needle tube, and the end of the side channel part is provided with a plastic seal for closing the side channel, especially a sealing plug, which is used to block the gas that may come from the straight channel and the needle tube. The end of the straight channel part is provided with an interface or connector that is movably connected to the syringe, and its specific structure is as follows: figure 2 As shown, the angle between the side channel and the straight channel is 30°, and the axis of the inner tube of the side channel can be straight or...

Embodiment 2

[0049] Pancreatic biopsy guided by endoscopic ultrasound:

[0050] (1) The specifications of the puncture needle device are: tube length 160cm, needle tip diameter 20ga, needle body section diameter 19ga, guide wire diameter 21ga, metal needle tube 8cm longer than plastic tube. When puncture sampling, the syringe is preferably in a negative pressure state, the negative pressure condition is a suction space of 5 mL, and 2 mL of air is reserved before the syringe piston is fixed at negative pressure.

[0051] (2) After the endoscope is inserted into the duodenum and the puncture site is established, the plastic tube is inserted through the forceps channel, and after reaching the puncture site, the plastic tube is fixed at the optimal length position with a plastic tube external fixator. The doctor holds the mirror with one hand, and can assist the other hand to operate the needle tube handle and guide wire handle located in the V-shaped part at the same time. Or have an assista...

Embodiment 3

[0057] Tracheal Lymph Node Biopsy Guided by Tracheal Endoscopic Ultrasound:

[0058] (1) The specifications of the puncture needle device are: tube length 160cm, needle tip diameter 20ga, needle body section diameter 19ga, guide wire diameter 21ga, metal needle tube 8cm longer than plastic tube. When puncture sampling, the syringe is preferably in a negative pressure state, the negative pressure condition is a suction space of 5 mL, and 2 mL of air is reserved before the syringe piston is fixed at negative pressure.

[0059] (2) According to the distribution map of tracheal lymph nodes, after the endoscope is inserted to the target puncture site, a plastic tube is inserted through the forceps channel, and after reaching the puncture site, the plastic tube is fixed at the optimal length position with a plastic tube external fixator (such as 35 cm from the incisors). place). The doctor holds the mirror with one hand, and can assist the other hand to operate the needle tube hand...

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Abstract

The invention discloses an endoscopic multi-organ universal puncture instrument, which comprises a V-shaped component, a flexible plastic tube, a flexible needle tube, a guide wire and an external fixator. The device involved in the present invention is a puncture device of the same length, which is not only suitable for puncture and aspiration through endoscopic ultrasonography of the digestive tract, but also suitable for puncture and aspiration through endoscopic ultrasound of the trachea, and is also suitable for intravascular injection under conventional direct-viewing endoscope , submucosal injection and deep biopsy, etc., to meet the requirement of not pulling out the guide wire during puncture.

Description

technical field [0001] The invention relates to a general-purpose puncture instrument for multiple organs through endoscopy, in particular to a multifunctional puncture needle suitable for endoscopic ultrasonography of the digestive tract and endotracheal ultrasonography, and belongs to the technical field of medical instruments. Background technique [0002] Endoscopic puncture technology is a minimally invasive diagnosis and treatment technology completed through endoscopic working channels. Although it belongs to advanced endoscopic technology, it has been developed maturely all over the world in the past 30 years. The technology is to obtain diagnostic specimens of cells, tissues, and fluids through puncture, and can also perform puncture and aspiration therapy, and can also achieve the purpose of injection therapy. The endoscopes currently used for puncture generally include ultrasound endoscope and non-ultrasound endoscope (i.e. ordinary endoscope) puncture. Ultrasoni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B10/00A61B17/34
Inventor 王国本张发明
Owner 常州德天医疗器械有限公司
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