A device capable of dredging airway exfoliated tissue

Abstract

The invention relates to a device capable of unchoking airway fall-off tissue. The device comprises a control handle which is connected with a catheter, and the other end of the catheter is connected with a tissue fixing needle. The tissue fixing needle comprises a needle body and a needle head, the tail portion of the needle body is connected with the catheter, and a hollow channel is formed in the tubular inner portion of the needle body. Steel wire channels are arranged on the tube wall of the needle body, and the steel wire channels are evenly distributed on the tube wall of the needle body in a spiral mode. The steel wire channels and the hollow channel tilt relatively and are communicated with each other. A telescopic inner core of the control handle is connected with a fine steel wire, and the fire steel wire is connected into the hollow channel through the catheter. The other end of the fine steel wire is branched to be superfine steel wires corresponding to the steel wire channels and penetrating out from the steel wire channels, and the control handle controls the superfine steel wires to extend out from the steel wire channels or retract back. According to the device capable of unchoking airway fall-off tissue, the tissue fixing needle is used for fixing the superfine steel wires which extend towards a trachea in the radial direction to hook cut polypus or tumor tissue and smoothly take out the cut polypus or tumor tissue, and a far-end tube cavity is prevented from being plugged in the operation process.

Description

technical field [0001] The invention belongs to a device for taking out tracheal exfoliated tissue, in particular to a device capable of dredging airway exfoliated tissue. Background technique [0002] If there are polyps or tumor tissues in the airway, airway interventional surgery is required, and snares or electrocautery are usually used for excision. The polyps or tumor tissues removed during the operation tend to fall to the distal end of the airway and block the lumen , is not easy to remove, prolongs the operation time, increases the pain of the patient, and even presents the risk of suffocation. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a device that can dredge the detached tissue of the airway. The tissue fixation needle penetrates into the tissue, and at the same time, the control handle is used to extend the ultra-fine steel wire radially toward the trachea, and the steel wire channel on the side...

AI Technical Summary

Problems solved by technology

[0002] If there are polyps or tumor tissues in the airway, airway interventional surgery is required, and snares or electric knife are usually used for resection. The polyps or tumor tissues removed during the operation are likely to fall to the distal end of the airway and block the lumen , is not easy to remove, prolongs the operation time, increases the pain of the patient, and even presents the risk of suffocation

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