Medical therapy device

• US 8,485,981 B2
• Filed: 06/25/2008
• Issued: 07/16/2013
• Est. Priority Date: 06/25/2008
• Status: Active Grant

• Current Assignee: Dragerwerk AG & Company KGaA (FPS Vermögensverwaltung GmbH)
• Original Assignee: Draeger Medical Systems Incorporated (FPS Vermögensverwaltung GmbH)
• Inventors: Ralfs, Frank
• Primary Examiner(s): Ketter, Jim
• Assistant Examiner(s): Ghafoorian, Reza
• Application Number:
  US12/145,886
• Publication Number:
  US 20090326389A1
• Time in Patent Office: 1,847 Days
• Field of Search: None
• US Class Current: 600/485
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/029 Measuring or recording blood output from the heart, e.g. minute volume A61B8/065 takes precedence
• CPC Class Codes: A61B 5/4821 Determining level or depth of anaesthesia A61B5/1106 takes precedence
• CPC Class Codes: A61M 16/0051 with alarm devices
• CPC Class Codes: A61M 16/01 specially adapted for anaesthetising A61M16/104, A61M16/18 take precedence
• CPC Class Codes: A61M 16/021 operated by electrical means A61M16/202 – A61M16/205 take precedence
• CPC Class Codes: A61M 2205/502 User interfaces, e.g. screens or keyboards
• CPC Class Codes: A61M 2230/06 Heartbeat rate only
• CPC Class Codes: A61M 2230/205 partial oxygen pressure (P-O2)
• CPC Class Codes: A61M 2230/30 Blood pressure A61M2230/04 takes precedence
• CPC Class Codes: G16H 40/63 for local operation
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

A system and a method for synchronizing operation between a patient monitoring device and a patient treatment device are disclosed. The patient monitoring device and the patient treatment device are operatively connected via a network, for example, a patient area network (PAN) or a local area network (LAN). A controller with a display is configured to accept user input via a graphic user interface (GUI) and display a patient'"'"'s physiological data and operating parameters of both the patient monitoring device and the patient treatment device. The operation is synchronized by starting to operate the patient monitoring device at a predetermined operating state of the patient treatment device, and delaying changes in the operating state of the patient treatment device, until the operation of the monitoring device is concluded or the operating state of the patient treatment device indicates an abort condition.

Claims

1. A method for synchronizing operation between a patient monitoring device and a ventilator, comprising:

detecting an initial status of the ventilator, the initial status indicating completion of at least one of an inspiration stroke and an expiration stroke;

starting a procedure performed by the patient monitoring device in response to the initial status of the ventilator;

monitoring an operating status of at least the patient monitoring device while the procedure is performed;

while monitoring the operating status of at least the patient monitoring device, detecting an impending event of the ventilator, the impending event to be detected is expiration when the initial status indicates completion of the inspiration stroke, and inspiration when the initial status indicates completion of the expiration stroke;

while the procedure is performed, delaying at least one of a next inspiration stroke when inspiration is detected to be imminent and a next expiration stroke when expiration is detected to be imminent, wherein the delaying does not exceed a predetermined time; and

automatically aborting the procedure prior to completion of the procedure and prior to elapsing of the predetermined time when the operating status of at least the patient monitoring device indicates an abort condition, the abort condition being determined in response to a measured patient physiological parameter exceeding a threshold.

2. The method of claim 1, wherein the procedure comprises acquisition of an image with an imaging device.

3. The method of claim 1, wherein the procedure comprises measurement of an intrathoracic blood pressure.

4. The method of claim 3, wherein the intrathoracic blood pressure is a pulmonary arterial pressure (PAP) or a pulmonary capillary wedge pressure (PCWP).

5. The method of claim 1, wherein the abort condition indicates at least one of violating a lower threshold for SpO2, and reaching a lower limit value for a minute volume.

10. The method of claim 1, further comprising:

detecting spontaneous respiration at the end of an expiration stroke or an inspiration stroke; and

terminating the procedure based on the detection of the spontaneous respiration.

11. The method of claim 10, further comprising:

marking data acquired from a patient monitoring device during the detected spontaneous respiration as inaccurate.

12. The method of claim 1, further comprising:

deriving, at the central processor, a new parameter based on signals from at least one of the patient monitoring device and the patient treatment device, the new parameter associated with at least one of a gas exchange, a skin color, a hemodynamics, a pain, and an electro-physiology.

6. A system for synchronizing operation between a patient monitoring device and a ventilator, the system comprising:

a controller operatively connected to the patient monitoring device and the ventilator, said controller configured to

detect an initial status of the ventilator, the initial status indicating completion of at least one of an inspiration stroke and an expiration stroke,

start a procedure performed by the patient monitoring device in response to the initial status of the ventilator,

monitor an operating status of at least the patient monitoring device while the procedure is performed,

while the operating status of at least the patient monitoring device is being monitored, detect an impending event of the ventilator, the impending event to be detected is expiration when the initial status indicates completion of the inspiration stroke, and inspiration when the initial status indicates completion of the expiration stroke;

while the procedure is being performed, delay at least one of a next inspiration stroke when inspiration is detected to be imminent and a next expiration stroke when expiration is detected to be imminent, wherein the delay does not exceed a predetermined time, and

automatically abort the procedure prior to completion of the procedure and prior to elapsing of the predetermined time, when the operating status of at least the patient monitoring device indicates an abort condition, the abort condition being determined in response to a measured patient physiological parameter exceeding a threshold.

7. The system of claim 6, wherein the patient monitoring device comprises at least one of an imaging device, a pulmonary arterial pressure measuring device, and a pulmonary capillary wedge pressure measuring device.

8. The system of claim 6, wherein the abort condition indicates at least one of a violation of the lower threshold for SpO2, and reaching a lower limit value for a minute volume.

9. The system of claim 6, further comprising:

an operator console having a display device, said display device configured to display physiological patient data and parameter settings from the patient monitoring device and receiving user input via a graphic user interface (GUI).