Modular oscillometry device with dynamic calibration

A modular, oscillating flow technology, used in diagnostic recording/measurement, medical science, diagnosis, etc., to solve problems such as compromised measurement accuracy, insufficient application and configuration, and invalid calibration

Pending Publication Date: 2021-08-06
THORASYS THORACIC MEDICAL SYST INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This inaccuracy may be due to the aforementioned issues, i.e., dynamic characteristics and calibrations that are not sufficiently accurate or specific to the specific application and configuration at hand
[0010] The above issues create a dilemma in the design of vibratory measuring equipment: on the one hand, the device configuration must be tightly controlled and individually characterized to achieve and maintain measurement accuracy; on the other hand, different applications and markets require flexible system configuration, customization and on-site maintenance, which creates the risk that such individual calibrations may be invalidated and compromise measurement accuracy

Method used

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  • Modular oscillometry device with dynamic calibration
  • Modular oscillometry device with dynamic calibration
  • Modular oscillometry device with dynamic calibration

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Embodiment Construction

[0046] With reference to the accompanying drawings, and more particularly to figure 2 , according to the present application, a modular vibratory measurement system 10 is shown, which consists of two subassemblies, namely a core assembly 11 and a module 12 . Without loss of generality, it can be said that the core components 11 are relatively application-independent and permanent, while the modules 12 are more application-specific and can be replaced from time to time, for example to reconfigure the system for a different application or patient population, or As part of regular on-site maintenance. According to one embodiment, the same core component 11 may be used with different modules 12 . Module 12 is releasably detachable from core assembly 11 so that a different module 12 can be used with core assembly 11 .

[0047] The core assembly 11 contains an oscillating flow source 20 . According to one embodiment, figure 2 The oscillating flow source 20 shown is a linear ac...

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Abstract

The invention provides a module for an oscillometry system of the type having an oscillatory flow source, the module comprises an enclosure adapted to be releasably connected to a core assembly of the oscillometry system. The enclosure defines a breathing flow pathway adapted to be in fluid communication with the oscillatory flow source. A user port is at a first end of the breathing flow pathway configured for receiving a breath of a user. A calibration file specific to the module is programmed as a function of the breathing flow pathway and configured for being used by the oscillometry system to assess breathing parameters for the user.

Description

technical field [0001] The present application relates to a device for measuring respiratory mechanics by vibrometric methods, also known as forced oscillatory technique (FOT). Background technique [0002] Oscillometric FOT is a known method of assessing lung function during routine quiet breathing, eg in the case of asthma or chronic obstructive pulmonary disease (COPD). Unlike traditional techniques for measuring lung function, such as spirometry or peak flow, oscillometric methods do not rely on the patient's voluntary effort to perform specific movements. [0003] To obtain oscillometric measurements, machine-generated oscillations, typically containing one or more frequencies ranging from 5 to about 40 Hz, are superimposed on the patient's resting breathing. The device is used to record the airflow into and out of the patient's lungs and the pressure near the airway opening, and calculation algorithms such as Fourier transform or time-frequency analysis are used to ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/097A61B5/08A61B5/087
CPCA61B5/087A61B5/097A61B2560/0223A61B5/085A61B2560/0228A61B2560/0443A61B2562/0247A61B2562/18
Inventor T·F·许斯勒G·德拉波L·波萨达埃斯特凡G·N·马克西姆
Owner THORASYS THORACIC MEDICAL SYST INC
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