公开(公告)号：US20250009243A1

公开(公告)日：2025-01-09

申请号：US18705799

申请日：2022-10-18

Applicant: Hamilton Medical AG

Inventor： David Schwenninger

IPC: A61B5/03 ,  A61B5/00 ,  A61M16/00 ,  A61M25/10

Abstract: A characterization system for automated ex vivo characterization of an esophageal catheter with a balloon probe for determining an esophageal pressure comprises an arrangement for filling the esophageal catheter with a measuring fluid before placing the esophageal catheter in an esophagus, a pressure sensor for detecting a pressure (peso) prevailing in the esophageal catheter; a device for determining at least one property that is characteristic of the esophageal catheter on the basis of the pressure (peso) detected in the esophageal catheter; a storage device for storing at least the property characteristic of the esophageal catheter; and at least one controller for controlling the characterization system, the controller being designed such that the characterization system performs a method comprising at least the following steps: filling the esophageal catheter with a measuring fluid ex vivo, in particular before placing the esophageal catheter in an esophagus; detecting a pressure prevailing in the esophageal catheter; determining at least one property characteristic of the esophageal catheter on the basis of the detected pressure; and storing at least the property characteristic of the esophageal catheter.

公开(公告)号：US20240215846A1

公开(公告)日：2024-07-04

申请号：US18279682

申请日：2022-02-18

Applicant: Hamilton Medical AG

Inventor： David Schwenninger

IPC: A61B5/03 ,  A61B5/00

CPC classification number: A61B5/037 ,  A61B5/6853 ,  A61B2560/0223

Abstract: The invention relates to a calibration system for automatically setting an intended operational filling of an esophageal catheter with balloon probe, which can be inserted into the esophagus, for determining an esophageal pressure, in particular for a ventilation device, comprising a device for filling the balloon probe with a measuring fluid after placing the balloon probe in the esophagus, a pressure sensor for detecting the esophageal pressure prevailing in the balloon probe, and a calibration controller which is designed such that it incrementally changes the amount of measuring fluid in the balloon probe, the calibration controller recording an esophageal pressure detected by the pressure sensor for each amount of measuring fluid in the balloon probe set incrementally as a measuring point in this way and assigning said esophageal pressure to the respective set amount of measuring fluid in the balloon probe. The calibration controller is designed such that, in order to approach the respective measuring points, it monotonically changes the amount of measuring fluid in at least two steps, starting from a start value until an end value is reached.