US 12,484,799 B2
Monitoring device having non-contact physiological parameter monitoring function
Qiling Liu, Shenzhen (CN); Junhua Xie, Shenzhen (CN); and Jian Cen, Shenzhen (CN)
Assigned to SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD., Shenzhen (CN)
Filed by SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS CO., LTD., Shenzhen (CN)
Filed on Nov. 28, 2022, as Appl. No. 18/070,394.
Application 18/070,394 is a continuation of application No. PCT/CN2020/093526, filed on May 29, 2020.
Prior Publication US 2023/0097852 A1, Mar. 30, 2023
Int. Cl. A61B 5/05 (2021.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01); A61B 5/0507 (2021.01); A61B 5/022 (2006.01)
CPC A61B 5/0507 (2013.01) [A61B 5/0002 (2013.01); A61B 5/0205 (2013.01); A61B 5/7225 (2013.01); A61B 5/742 (2013.01); A61B 5/022 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A monitoring device having a non-contact physiological parameter monitoring function, comprising:
a radio frequency transmitting assembly, which is configured to generate an electromagnetic wave of a designated frequency and transmit the electromagnetic wave of the designated frequency towards a designated part of a human body;
a radio frequency receiving assembly, which is configured to receive a reflected wave beam which is reflected back from the designated part of the human body;
a first signal processing circuit, which is configured to convert the reflected wave beam into a first-type physiological parameter signal; and
a processor, which is configured to analyze the first-type physiological parameter signal to obtain a first-type physiological parameter value and to control to output the first-type physiological parameter value,
wherein the monitoring device further comprises at least one parameter measurement sensor and a second signal processing circuit; wherein the at least one parameter measurement sensor comprises a measurement terminal and a connection terminal, the at least one parameter measurement sensor is configured to acquire a measurement signal by contacting the human body with the measurement terminal, the second signal processing circuit is connected with the connection terminal of the at least one parameter measurement sensor and is configured to convert the measurement signal into a second-type physiological parameter signal; the processor is further configured to analyze the second-type physiological parameter signal to obtain a second-type physiological parameter value, and control to output the second-type physiological parameter value;
wherein the processor comprises a first-type physiological parameter signal processor, a second-type physiological parameter signal processor, and a main controller;
wherein the monitoring device further comprises a circuit board, which is provided with an isolation zone, wherein the isolation zone separates the circuit board into an isolated area and a non-isolated area; wherein the second-type physiological parameter signal processor, the at least one parameter measurement sensor and the second signal processing circuit are arranged inside the isolated area, while the first-type physiological parameter signal processor, the main controller, the radio frequency transmitting assembly, the radio frequency receiving assembly and the first signal processing circuit are arranged inside the non-isolated area; and
wherein the monitoring device further comprises: an isolated power supply circuit arranged inside the isolation zone, the non-isolated power supply circuit being configured to reduce a main voltage to provide electric power to the first-type physiological parameter signal processor, the main controller, the radio frequency transmitting assembly, the radio frequency receiving assembly and the first signal processing circuit; and a non-isolated power supply circuit arranged inside the non-isolated area, the isolated power supply circuit being configured to reduce the main voltage to provide electric power to the second-type physiological parameter signal processor, the at least one parameter measurement sensor and the second signal processing circuit.