Method, apparatus and program product for determining patient weight using a patient positioning device

A technology for positioning equipment and patients, applied in the direction of measuring devices, weighing equipment using elastically deformable parts, and rescue of vehicles

Active Publication Date: 2021-01-29
SIEMENS HEALTHCARE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Physicians can only estimate weight in patients who cannot stand or are unconscious

Method used

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  • Method, apparatus and program product for determining patient weight using a patient positioning device
  • Method, apparatus and program product for determining patient weight using a patient positioning device
  • Method, apparatus and program product for determining patient weight using a patient positioning device

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Embodiment Construction

[0036] figure 1 A side view of a patient positioning device 1 is shown, wherein the patient positioning device 1 has a table top 2 which is horizontally displaceable along an axis 3 and which is mounted on height-adjustable table feet 9 . A patient 10 whose weight is to be determined is located on the table top 2 .

[0037] The table top 2 can be moved along the axis 3 by a motorized transmission unit 6 , for example by an AC electric motor acting on a toothed belt 5 of the drive train unit 4 . The toothed belt 5 has a slight spring effect, with the result that the table top 2 is undesirably set in vibrations which can be compensated by the motor control.

[0038] exist figure 2 , the graph shown plots the motor-controlled motor current I (in amperes) over time t (in seconds) for different patient weights from 120 kg to 180 kg. The inverse relationship between the frequency of the motor current I and the patient weight can be clearly seen. If the frequencies for different...

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Abstract

The present invention relates to methods, apparatus and program products for determining the weight of a patient using a patient positioning device. A method is disclosed for automatically determining the patient weight of a patient (10) lying on a table (2) of a patient positioning device (1), wherein the table (2) is along at least one predeterminable The motorized movement of the axis (3) sets the table top (2) in vibration through the elastic drive train element (4) and the patient weight vibration is determined from the determined vibration frequency. The invention also discloses an associated apparatus, computer program product and computer readable medium. The invention offers the advantage that the weight of a patient lying on the patient positioning device can be determined in a simple manner.

Description

technical field [0001] The present invention relates to a method, apparatus, computer program product and computer readable medium for automatically determining the patient weight of a patient lying on a table top of a patient positioning device. For this purpose, the vibrations of the tabletop during movement are analyzed. Background technique [0002] In order to administer drugs or contrast media in medical imaging, it is often necessary to know the patient's weight. Patients who are able to stand can be weighed with the aid of a scale. Doctors can only estimate the weight of a person who cannot stand or is unconscious. If the patient is lifted by motorized means, for example using a lift drive in the patient bed, the power consumption of the lift drive can also be used to estimate the approximate weight of the patient. [0003] Published unexamined application DE 10 2012 201 783 A1 specifies another method for determining the weight of a patient on a patient positioni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G3/16G01G19/46A61G13/10
CPCA61G13/10G01G3/165G01G19/46A61G2203/44A61B6/032A61B6/0471G01G3/16G01G19/445G01G19/52A61B6/0487
Inventor A·克拉默M·米勒J·泽德勒
Owner SIEMENS HEALTHCARE GMBH
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