underwater seal

underwater seal

a seal formed by water allowed to flow over a tube that exits from the chest cavity of a patient. The water acts as a one-way valve and permits the outflow of air but prevents the ingress of air. Also called water trap.
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AN underwater seal video filmed by a Northumberland GP which featured in The Journal last Saturday has received more than 184,000 online hits.
He created a chest drain with these items along with a coat hanger (made into a trocar for the catheter), a bottle of Evian water (with two holes punched in the cap for an underwater seal drain), oxygen tubing (to attach the catheter to the drain), and Sellotape (to seal the catheter to the drain).
With over 30 ship builders and maritime repair centers, the Trident office will sell and demonstrate the use of the Sea Patch and Underwater Seal in the field.
Navy Seal who will demonstrate and sell the Sea Patch and Underwater Seal.
Trident (Louisiana) will provide the maritime industry with both the "know how" and the solution in the Sea Patch and Underwater Seal to aggressively combat oil leaks and spillage in the Gulf Coast.
Through a left anterior second space incision, the large air pocket in the upper posterior mediastinum was drained extrapleurally using a chest tube with underwater seal.
The pleural space was drained with 3 chest tubes connected to underwater seal, and the left hydrothorax was drained with 2 chest tubes connected to underwater seal.
New chest tubes were inserted and connected to underwater seal.
Coast Guard is testing the new and re-engineered Underwater Seal and Sea Patch based upon their environmental and disaster applications in the maritime industry.
20 including cost of goods sold due to the development and marketing costs of the Underwater Seal and the Sea Patch for the London maritime industry show in December 1998.
In addition, we have the capital to complete modifications to the Gripper and Underwater Seal technologies.
In addition, or Gripper and Underwater Seal technology should be coming on board with greater sales in 1998-1999.

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