Method and arrangement for reducing the volume of a lung
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United States of America Patent
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Issued Date -
Mar 24, 2005
app pub date -
Nov 3, 2004
filing date -
Jan 20, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method and an arrangement for reducing the volume of a patient's lung. A bronchial catheter (2) is introduced into a hyperexpanded lung area, and air is aspirated from there by means of an aspiration device (3). The associated segmental bronchus is then closed. According to the invention, the patient's spontaneous respiration is recorded by sensors (5), and aspiration of the air is carried out in synchrony with the patient's inhalation action. In order to prevent collapse of the associated segmental bronchus, a pressure generator is provided with which the associated segmental bronchus can be widened, by a compressed gas pulse, in synchrony with the aspiration. The pressure generator can be activated as a function of the aspirated air stream, which is monitored with a measuring device.
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