Synchronization of Repetitive Therapeutic Interventions

• US 20100221691A1
• Filed: 05/13/2010
• Published: 09/02/2010
• Est. Priority Date: 09/14/2005
• Status: Abandoned Application

• Current Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Original Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Inventors: Freeman, Gary A., Lisogurski, Daniel M.
• Application Number:
  US12/779,111
• Publication Number:
  US 20100221691A1
• Time in Patent Office: Days
• US Class Current: 434/265
• CPC Class Codes: A61B 5/318 Heart-related electrical modalities, e.g. electrocardiography [ECG]
• CPC Class Codes: A61H 2201/5007 computer controlled
• CPC Class Codes: A61H 2201/501 connected to external computer devices or networks
• CPC Class Codes: A61H 2201/5043 Displays
• CPC Class Codes: A61H 2201/5048 Audio interfaces, e.g. voice or music controlled
• CPC Class Codes: A61H 2201/5084 Acceleration sensors
• CPC Class Codes: A61H 2201/5097 wireless
• CPC Class Codes: A61H 2230/04 Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
• CPC Class Codes: A61H 2230/205 partial CO2-value
• CPC Class Codes: A61H 2230/207 partial O2-value
• CPC Class Codes: A61H 2230/25 Blood flowrate, e.g. by Doppler effect
• CPC Class Codes: A61H 2230/42 Rate
• CPC Class Codes: A61H 31/00 Artificial respiration or heart stimulation, e.g. heart massage artificial respiration by treatment with gas or air, e.g. mouth-to-mouth respiration A61M16/00; applying electric currents by contact electrodes for stimulation, e.g. heart pace-makers A61N1/36 ; teaching or training models, demonstration models for medical purposes G09B23/288
• CPC Class Codes: A61H 31/005 with feedback for the user
• CPC Class Codes: A61H 31/006 Power driven
• CPC Class Codes: A61H 31/007 Manual driven
• CPC Class Codes: A61M 5/142 Pressure infusion, e.g. using pumps
• CPC Class Codes: A61N 1/3625 External stimulators
• CPC Class Codes: A61N 1/3628 using sub-threshold or non-excitatory signals
• CPC Class Codes: A61N 1/39044 in combination with cardiopulmonary resuscitation [CPR] therapy
• CPC Class Codes: A61N 7/00 : Ultrasound therapy lithotripsy A61B17/22, A61B17/225; massage using supersonic vibration A61H23/00 ; using ultrasound for introducing media into the body A61M37/0092

Abstract

A medical device of the type used for assisting a user in manually delivering repetitive therapy to a patient (e.g., chest compressions or ventilations in cardiac resuscitation), the device comprising a feedback device configured to generate feedback cues to assist the user in timing the delivery of the repetitive therapy, at least one sensor or circuit element configured to detect actual delivery times, at which the user actually delivers the repetitive therapy, and a processor, memory, and associated circuitry configured to compare the actual delivery times to information representative of desired delivery times to determine cue times at which the feedback cues are generated by the feedback device.

Claims

1. A medical device for assisting a user in manually delivering repetitive therapy to a patient, the device comprising:

a visual display for generating a visual, non-verbal feedback graphic to provide the user with a graphical indication of how well the repetitive therapy is being delivered;

at least one sensor for sensing at least one parameter relating to how well the therapy is being delivered; and

a processor, memory, and associated circuitry configured to process at least one output from at least one sensor to control the appearance of the graphical indication on the visual display.

2. The medical device of claim 1 wherein the repetitive therapy comprises chest compressions as part of cardiac resuscitation.

3. The medical device of claim 1 wherein the repetitive therapy comprises ventilation as part of cardiac resuscitation.

4. The medical device of claim 2 wherein the graphical indication comprises at least a first graphical element that provides the user with feedback generally on a compression by compression basis as to approximately how well individual compressions are being delivered.

5. The medical device of claim 4 wherein the graphical indication further comprises at least a second graphical element that provides the user with feedback on an estimate of the cumulative impact of past compressions on coronary perfusion pressure.

6. The medical device of claim 5 wherein the first graphical element is the color or other graphical aspect of the boundary of a bar element, and the second graphical element is the percentage area within the bar element that bears a color or other graphical aspect.

7. The medical device of claim 1 wherein there are at least two sensors and at least two parameters, and the graphical indication comprises

a first graphical element comprising a first indicator that moves along a first axis to convey a value of a first parameter and

a second graphical element comprising a second indicator that moves along a second axis orthogonal to the first axis to convey a value of a second parameter.

8. The medical device of claim 7 wherein there are at least three parameters, and wherein the graphical indication further comprises a third graphical element positioned at the intersection of the first and second axes, wherein the third graphical element is configured to convey a value of a third parameter.