Treatment method for pleural effusion
First Claim
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1. Method of producing a sclerosing effect in the pleural of a human to reduce pleural effusion, comprising inserting a catheter through the chest wall of the patient so that an end of the catheter is in the pleural space;
- repeatedly accessing the pleural space to repeatedly drain pleural effusion from the pleural space by inserting a tube into a valve in the catheter to open the valve and access the catheter, to produce a sclerosing effect in the pleural space to reduce pleural effusion.
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Abstract
A method for treating a pleural effusion condition by establishing fluid communication with a pleural space, using a catheter attached to a valve that is normally closed but openable by the insertion of a tube in the side opposite the catheter. The catheter is implanted into the pleural space and is periodically accessed by inserting a tube into the valve on the side opposite the catheter to add or remove fluid to and from the pleural space using a negative pressure source.
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2 Claims
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1. Method of producing a sclerosing effect in the pleural of a human to reduce pleural effusion, comprising inserting a catheter through the chest wall of the patient so that an end of the catheter is in the pleural space;
- repeatedly accessing the pleural space to repeatedly drain pleural effusion from the pleural space by inserting a tube into a valve in the catheter to open the valve and access the catheter, to produce a sclerosing effect in the pleural space to reduce pleural effusion.
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Current AssigneeDenver Biomedical Inc. (Cardinal Health, Inc.)
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Original AssigneeDenver Biomaterials, Inc.
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InventorsRodriguez, Michael, Vivian, Bonnie B., Freeman, Shirley K.
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Primary Examiner(s)Hirsch, Paul J.
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Application NumberUS08/251,692Time in Patent Office595 DaysField of Search604/175, 604/280, 604/49, 604/28, 604/167, 604/256US Class Current604/28CPC Class CodesA61M 1/84 Drainage tubes; Aspiration ...A61M 2039/062 used with a catheterA61M 2039/0633 the seal being a passive se...A61M 2039/0646 Duckbill-valveA61M 2039/066 Septum-like elementA61M 39/0606 without means for adjusting...
