Device for draining the pleural cavity
OwnerYakov G. Kolkin, Vladimir N. Vecherko +1inventors
InventorsYakov G. Kolkin, Vladimir N. Vecherko, Evgeny S. Pershin
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Abstract
The proposed device comprises an outer tube having a central canal and perforations at its one end, a stylet fitted in the central canal of the outer tube, an inner tube, which is in fact a non-return valve and with its one end tightly connected to the outer tube and with its opposite end stretched over the stylet with a possibility of slipping off the latter and getting everted. The device has a receptacle for collecting the pleural fluid, tightly connected to the outer tube and the inner tube, and a retainer for fixing the device in position.
Claims6
A device for draining pleural contents from the pleural cavity comprising:
- an outer tube having a hollow interior, a proximal end with perforations and a distal end;
- an elastic inner tube, removably disposed within said outer tube and having a proximal end and a distal end connected to said outer tube distal end;
- a stylet, removably disposed within said inner tube and having a pointed end, extending outwardly from the proximal end of said outer tube, adapted for guiding the device into the pleural cavity;
- said proximal end of said inner tube is tightly, elastically connected to said stylet near its pointed end;
- a pleural contents receptacle connected to said distal ends of said outer tube and said inner tube and being in communication with the hollow interior of said outer tube;
- a retaining collar connected to said outer tube near said distal end for retaining the device in position;
- and
- wherein removal of said stylet everting said inner tube and forming an airtight seal, whereby the pleural contents flowing from the pleural cavity through the perforations and the hollow interior into said pleural contents receptacle.
Dependencies are inferred from the claim text.