The present invention provides a mattress for measuring physiological parameters of a heart, comprising a mattress body, a first electrode, a second electrode and an electromagnetic shield, wherein the first electrode and the second electrode are located on the upper surface of the mattress body and
The present invention provides a mattress for measuring physiological parameters of a heart, comprising a mattress body, a first electrode, a second electrode and an electromagnetic shield, wherein the first electrode and the second electrode are located on the upper surface of the mattress body and the first electrode and the second electrode have a space therebetween; at least a portion of the electromagnetic shield is located on the lower surface of the mattress body and is insulated from the first electrode and the second electrode. In the above mattress provided by the present invention, the first electrode and the second electrode are shielded from ambient electromagnetic radiation effectively. The electromagnetic shield, by blocking the electromagnetic wave propagation path, prevents the electrodes from being polluted by electromagnetic radiation, achieving more accurate measurement.
대표청구항▼
1. A mattress for measuring physiological parameters of a heart, comprising a mattress body, a first electrode, a second electrode and an electromagnetic shield, wherein the first electrode and the second electrode are located on an upper surface of the mattress body, and the first electrode and the
1. A mattress for measuring physiological parameters of a heart, comprising a mattress body, a first electrode, a second electrode and an electromagnetic shield, wherein the first electrode and the second electrode are located on an upper surface of the mattress body, and the first electrode and the second electrode have a space therebetween, the first electrode is configured to be placed on an upper position of the heart and the second electrode is configured to be placed on a lower position of the heart, wherein the first and second electrodes have a width between 9-12 cm and a length from 60-85 cm and a distance between the first and second electrodes is between 13-20 cm;the electromagnetic shield, the first electrode and the second electrode comprise a conductive fabric, having a thickness of 1-1.8 mm;at least a portion of the electromagnetic shield is located on a lower surface of the mattress body and is insulated from the first electrode and the second electrode. 2. The mattress according to claim 1, wherein the electromagnetic shield has a width equal to that of the mattress body. 3. The mattress according to claim 2, wherein a portion of the electromagnetic shield located on the lower surface of the mattress body covers the entire lower surface of the mattress body. 4. The mattress according to claim 1, wherein the electromagnetic shield extends from the lower surface of the mattress body along a tail of the mattress body to the upper surface of the mattress body in the width of the electromagnetic shield. 5. The mattress according to claim 4, wherein, on the upper surface of the mattress body, a distance between the electromagnetic shield and the second electrode is from 20 cm to 40 cm. 6. The mattress according to claim 1, wherein the electromagnetic shield extends from the lower surface of the mattress body along a head of the mattress body to the upper surface of the mattress body in the width of the electromagnetic shield. 7. The mattress according to claim 6, wherein, on the upper surface of the mattress body, a distance between the electromagnetic shield and the first electrode is from 12 cm to 25 cm. 8. The mattress according to claim 1, wherein the electromagnetic shield extends from the lower surface of the mattress body along a head and a tail of the mattress body to the upper surface of the mattress body in the width of the electromagnetic shield. 9. The mattress according to claim 8, wherein, on the upper surface of the mattress body, a distance d1 between the electromagnetic shield and the first electrode and a distance d2 between the electromagnetic shield and the second electrode meet the following condition: d2=a*d1, aε[1,2]. 10. The mattress according to claim 8, wherein the electromagnetic shield has an end edge on the upper surface of the mattress body that is parallel to the head of the mattress. 11. The mattress according to claim 8, wherein the electromagnetic shield has a width equal to that of the mattress body, and a portion of the electromagnetic shield located on the upper surface of the mattress body is completely connected with the portion of the electromagnetic shield located on the lower surface of the mattress body on two side edges. 12. The mattress according to claim 1, wherein the electromagnetic shield extends from the lower surface of the mattress body along a side of the mattress body to the upper surface of the mattress body in the length of the electromagnetic shield. 13. The mattress according to claim 1, wherein the electromagnetic shield is electrically connected to a ground wire. 14. The mattress according to claim 1, wherein the electromagnetic shield comprises a first layer of electric conductor and a second layer of electric conductor that are insulated from each other; wherein the first layer of electric conductor has a lower electrical resistivity as well as a lower magnetoconductivity than the second layer of electric conductor. 15. The mattress according to claim 1, wherein the first electrode and the second electrode are rectangular and parallel to each other, and the first electrode and the second electrode are parallel to the head of the mattress. 16. The mattress according to claim 1, further comprises a signal processor, which is connected to the first electrode and the second electrode, for processing electrocardiosignals from the first electrode and the second electrode and generating physiological parameters of the heart according to the electrocardiosignals.
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이 특허에 인용된 특허 (8)
Hardway ; Jr. Edward V. (Houston TX) Holtman William H. (LaPorte TX), Activity and respiration monitor.
Stanko Bruce E. (4284 Lampl Rd. Allison Park PA 15101) Ellertson David G. (7105 Hillcrest Dr. Modesto CA 95356), Electrocardiographic signal monitoring system.
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