US 12,076,292 B2
Force sensing implementations in cardiopulmonary resuscitation
Paolo Giacometti, Nashua, NH (US); Gideon Butler, Portsmouth, NH (US); Frederick J. Geheb, Lenexa, KS (US); and Gary A Freeman, Waltham, MA (US)
Assigned to ZOLL Medical Corporation, Chelmsford, MA (US)
Appl. No. 16/488,969
Filed by ZOLL Medical Corporation, Chelmsford, MA (US)
PCT Filed Feb. 28, 2018, PCT No. PCT/US2018/020246
§ 371(c)(1), (2) Date Aug. 27, 2019,
PCT Pub. No. WO2018/160709, PCT Pub. Date Sep. 7, 2018.
Claims priority of provisional application 62/464,527, filed on Feb. 28, 2017.
Prior Publication US 2019/0374429 A1, Dec. 12, 2019
Int. Cl. A61H 31/00 (2006.01)
CPC A61H 31/005 (2013.01) [A61H 31/007 (2013.01); A61H 2031/001 (2013.01); A61H 2201/5007 (2013.01); A61H 2201/5061 (2013.01); A61H 2201/5071 (2013.01); A61H 2201/5084 (2013.01); A61H 2201/5092 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A system for assisting a rescuer in providing chest compressions to a patient in need of acute care, the system comprising:
a chest compression device comprising:
a force sensor configured to generate force signals indicative of the chest compressions administered to the patient by the rescuer, the force sensor having a first resolution over a first force range for detecting initiation of the chest compressions, and having a second resolution over a second force range for detecting chest compression depth, wherein the second resolution is greater than the first resolution and the second force range is wider than the first force range, the first and second resolutions being smallest changes in force that the force sensor is able to detect,
at least one motion sensor configured to generate motion signals indicative of the chest compressions administered to the patient, and
a housing supporting the force sensor;
a computing device having processing circuitry operatively connected to the force sensor of the chest compression device and configured to:
receive and process signals from the force sensor, the received signals comprising first signals at the first resolution and within the first force range and second signals at the second resolution and within the second force range,
receive and process signals from the at least one motion sensor,
determine resuscitation parameters representative of compression depth and compression rate during the administration of the chest compressions to the patient based on the received and processed second signals and on motion signals that are correlated in time with the received second signals from the force sensor apart from the received and processed first signals, and
generate an output signal based on the resuscitation parameters; and
an output device configured to provide feedback to the rescuer configured to guide the rescuer to perform chest compressions at a target depth and a target rate and based on the output signal.