Bronchial tube with an endobronchial Y-guide

Details Bronchial tube with an endobronchial Y-guide Bronchial tube with an endobronchial Y-guide

2006-03-21

2006-03-21

Dawson, Glenn K. (Department: 3731)

Surgery

Respiratory method or device

Means placed in body opening to facilitate insertion of...

C606S108000, C128S207150

Reexamination Certificate

active

07013890

ABSTRACT:
A non-slip, bronchial tube is provided for insertion into the trachea for chest surgery purposes. Insertion is accomplished through a conventional endotracheal tube by means of a built-in, spring loaded stylet. An endobronchial tube is attached to the end of the bronchial tube and is configured as a Y-guide having expandable left and right arms which are glued or welded to join a central portion. The spring loaded stylet is mounted within the central portion. A spring loading at the end of the bronchial tube is secured within a sheath mounted along the distal end of one arm, typically along the left arm, and this spring loading is secured within an inflatable cuff. When the bronchial tube is inserted through the endotracheal tube by means of the stylet, the Y-guide which is attached to the bronchial tube will also move forward causing the arms of the Y-guide to press lightly against the carina of the trachea-bronchial tree and separate into the left and right bronchia. When the cuff is inflated, the left bronchial lumen is isolated from the trachea-right bronchial space and can be left open to the atmosphere without slippage which enables oxygen and anesthetic gas to be ventilated only into the right lung during surgery. After surgery, the cuff is deflated and the device is removed with the stylet.

REFERENCES:
patent: 2541402 (1951-02-01), Caine
patent: 4819664 (1989-04-01), Nazari
patent: 4840172 (1989-06-01), Augustine et al.
patent: 5588424 (1996-12-01), Insler et al.
patent: 5669924 (1997-09-01), Shaknovich
patent: 5720735 (1998-02-01), Dorros
patent: 2002/0143380 (2002-10-01), Dahl et al.

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