Barbed guide wire for treatment of plastic bronchitis
AssigneeShengjing Hospital of China Medical University
InventorsWei Xu, Hongzan Sun, Jiajun Wang
Life of this patent
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Abstract
Disclosed is a barbed guide wire for treatment of plastic bronchitis, which relates to the technical field of medical devices. The barbed guide wire for treatment of plastic bronchitis provided by the present disclosure can be directly inserted into a bronchial cast through a sleeve, then barbs expand to hook the bronchial cast and pull back by pushing the guide wire, such that the bronchial cast can be taken out completely, to prevent the bronchial cast breaking off and remaining in a distal bronchus, prevent from affecting ventilation, and reduce a risk of bronchoalveolar lavage due to the breakage of the bronchial cast.
Claims10
A barbed guide wire for treatment of plastic bronchitis, comprising a sleeve (1) with one end sealed and a guide wire (2) placed inside the sleeve (1), wherein an opened end of the sleeve (1) is connected to a first gripping portion (3), a second gripping portion (4) is connected to one end, placed outside the sleeve (1), of the guide wire (2), and the other end of the guide wire (2) is connected to an inner wall of the sealed end of the sleeve (1) through a miniature pressing self-locking buckle (5);
- the guide wire (2) is provided with multiple groups of barb assemblies on an outer wall of one end inside the sleeve (1), each of the barbed assemblies comprises two symmetrically arranged barbs (6), which are placed in a placement hole (7) in a sleeve (1) body;
- one end of each of the barbs (6) is hinged on an inner wall of the sleeve (1), and the barbs (6) are controlled to expand by a push assembly connected to the guide wire (2).
Dependencies are inferred from the claim text.