Elastic adjustable type single-cavity balloon dilation catheter

Abstract

The invention discloses an elastic adjustable type single-cavity balloon dilatation catheter. A handle is a bidirectional handle; the distal end is a connection port; the proximal end is an injection port; the connection port of the distal end is connected with the proximal end of the catheter; the proximal end of the balloon is welded to the distal end of the catheter by hot-melting; the distal end of the balloon is welded to the outer surface of the distal end of a guide wire by hot-melting; the outer surface of the guide wire is provided with a thermoplastic cannula; the proximal end of the thermoplastic cannula is provided with an elastic element formed by winding; the elastic element is fixed to the catheter. According to the elastic adjustable type single-cavity balloon dilatation catheter, the guiding function can be quickly realized by simple operation; the proximal end of the upper guide wire is provided with the elastic element connected with the catheter, so that the elastic element can adjust automatically when the balloon is expanded, and the stability of the entire device is improved; the inner cavity of the catheter is provided with a plurality of reinforcing ribs to maintain the trafficability characteristic of products; the entire guide wire only needs to be connected to the distal end of the catheter, thereby saving the guide wire usage amount, and saving production costs.

Description

Technical field [0001] The invention relates to the technical field of medical devices, in particular to an elastically adjustable single-lumen balloon dilatation catheter. Background technique [0002] Balloon dilatation catheter is a flexible catheter with an expandable balloon at the tip, which is used to dilate narrow cavities in the human body under image guidance, such as the digestive tract, trachea, bronchi, and urinary tract. Without expansion, the balloon dilatation catheter is guided by a guide wire or enters the target lesion site through an endoscope clamp. After successful treatment, the balloon can be retracted to withdraw the balloon catheter to the body. Balloon dilatation catheters have been widely used in the treatment of natural lumen stenosis such as the digestive tract and trachea and bronchi. [0003] At present, in the process of gastrointestinal and tracheobronchial stenosis surgery, a guide wire is usually inserted when using a balloon dilatation catheter...

AI Technical Summary

Problems solved by technology

When used in the treatment of tracheobronchial stenosis, it is necessary to rely on X-ray imaging equipment and guide wire guidance, which is inconvenient for doctors to use

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