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Estimation of energy expenditure

A technology of energy consumption and measurement value, applied in the fields of drug equipment, diagnostic record/measurement, medical science, etc.

Inactive Publication Date: 2014-10-22
TECOM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is very dangerous to perform this measurement on a patient receiving breathing assistance through a ventilator, as such patients are often in a life-threatening condition
Withdrawal of the ventilator from the patient, even for a short period of time, in order to measure the patient's energy expenditure using an indirect calorimeter may put the patient's life at great risk and is highly undesirable

Method used

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  • Estimation of energy expenditure
  • Estimation of energy expenditure
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Examples

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Embodiment Construction

[0028] figure 1A device 1 for estimating energy expenditure of a patient 2 is represented. The device 1 is connected to a ventilator 4 . In use, the ventilator 4 is connected to the patient 2 via the lung tube 10 so that the patient 2 receives inspiratory gas 12 provided by the ventilator and expiratory gas 14 flows back to the ventilator 4 . The lung tubes 10 include a first lung tube 10 a for guiding inhalation gas 12 and a second lung tube 10 b for guiding exhalation gas 14 . The first and second pulmonary tubes 10a, 10b are connected close to the patient 2 by a joint 17 . The joint 17 can consist of a T-piece or a Y-piece. A humidifier 22 is optionally connected to the first lung tube 10a to humidify the inhaled gas 12 .

[0029] The device 1 comprises a first input 3 , a second input 5 , processing means 7 and a display 20 . The first input 3 is arranged to receive a set of measured values ​​6 from the ventilator 4 . The second input 5 is arranged to receive a furth...

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Abstract

An apparatus 1 for estimating the energy expenditure of a patient 2 comprises means 3 for receiving a set of measurements 6 from a ventilator 4, wherein the set of measurements 6 comprises at least one gas concentration measurement. The apparatus 1 further comprises means 7 for estimating the energy expenditure of the patient 2 based on the set of measurements including respiratory volume and frequency 6. It also includes means to correct for temperature and humidity.

Description

technical field [0001] The present invention relates to estimating energy expenditure of a patient. In particular, the invention relates to estimating the energy expenditure of a patient breathing with the aid of a ventilator. Background technique [0002] A mechanical ventilator is a device that provides respiratory assistance to patients who cannot breathe normally. Mechanical ventilators are often referred to as respirators or simply ventilators. This type of ventilator provides breathing assistance by mechanically moving air in and out of the patient's lungs. Modern ventilators are often computer controlled and used in intensive care, home care, emergency and anesthesia. A ventilator usually consists of a reservoir or turbine and air and oxygen supply. Breathing gases are transferred between the ventilator and the patient through disposable or reusable lung-like tubes. The lung tube is a tube that is in fluid communication with the ventilator and the patient for the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/083A61M16/00
CPCA61M2230/42A61M2016/1025A61B5/0833A61M2016/0042A61M2230/432A61B5/091A61B5/0836A61M16/00A61M2230/435A61M2205/502A61M16/021A61B5/083A61B5/6887
Inventor 奥利·布里克斯汉斯·弗莱特恩安妮·贝丽特·古托姆斯恩
Owner TECOM
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