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US5316006A
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Electronic blood pressure meter
Assignee: Omron Healthcare Co Ltd
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Filing: 1993-03-08
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Granted: 1994-05-31
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Expires: 2013-03-08
Abstract
Abstract An electronic blood pressure meter including a cuff, a pressurizing means for inflating the cuff, a pressure sensing device for sensing a fluid pressure within the cuff, a pulse wave detecting device for detecting a pulse wave component included in the cuff, a systolic pressure estimating device for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected in a pressurizing process, a pressurization volume computing device for computing a pressurization volume based on the estimated the systolic pressure value, a pressure decreasing device for decreasing the cuff pressure after reaching the pressurization volume, a blood vessel information detecting device for detecting blood vessel information such as pulse wave components in the pressure decreasing process, a blood pressure value determining device for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure, a pulse wave component dispersion degree detecting device for detecting a dispersion degree of the pulse wave components obtained in the pressure decreasing process, and a pressurization volume controlling device for controlling the pressurization volume by the pressurizing device.
Inventors
- 👤 Katuyuki Inage
- 👤 Yumi Saito
- 👤 Zhang Zhimming
- 👤 Toru Fujii
- 👤 Osamu Shirasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
A; A61; A61B; A61B7/00; A61B7/02; A61B7/04; A61B7/045; A61B5/00; A61B5/02; A61B5/021; A61B5/022; A61B5/0225
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
168 words
An electronic blood pressure meter comprising: a cuff; pressurizing means for inflating the cuff; pressure sensing means for sensing a fluid pressure within the cuff; pulse wave detecting means for detecting a pulse wave component included in the cuff; systolic pressure estimating means for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected during inflation by the pressurizing means; pressurization volume computing means for computing a pressurization volume based on the estimated systolic pressure value; pressure decreasing means for decreasing the cuff pressure after reaching the pressurization volume; blood vessel information detecting means for detecting blood vessel information in the pressure decreasing process; blood pressure value determining means for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure; pulse wave component dispersion degree detecting means for detecting a dispersion degree of the pulse wave components obtained in the pressure decreasing process; and pressurization volume controlling means for controlling the pressurization volume by said pressurizing means.
Claim 2
Dependent Claim
168 words
An electronic blood pressure meter comprising: a cuff; pressurizing means for inflating the cuff; pressure sensing means for sensing a fluid pressure within the cuff; pulse wave detecting means for detecting a pulse wave component included in the cuff; systolic pressure estimating means for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected during inflation by the pressurizing means; pressurization volume computing means for computing a pressurization volume based on the estimated systolic pressure value; pressure decreasing means for decreasing the cuff pressure after reaching the pressurization volume; blood vessel information detecting means for detecting blood vessel information in the pressure decreasing process; blood pressure value determining means for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure; pulse wave component dispersion degree detecting means for detecting a dispersion degree of the pulse wave components obtained in the pressure decreasing process; and pressurization volume controlling means for controlling the pressurization volume by said pressurizing means.
Claim 3
Dependent Claim
192 words
An electronic blood pressure meter comprising: a cuff; pressurizing means for inflating the cuff; pressure sensing means for sensing a fluid pressure within the cuff; pulse wave detecting means for detecting a pulse wave component included in the cuff; systolic pressure estimating means for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected during inflation by the pressurizing means; pressurization volume computing means for computing a pressurization volume based on the estimated systolic pressure value; pressure decreasing means for decreasing the cuff pressure after reaching the pressurization volume; blood vessel information detecting means for detecting blood vessel information in the pressure decreasing process; blood pressure value determining means for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure; pulse period computing means for computing a pulse period of said pulse wave component detected in the pressurizing process; dispersion computing means for computing dispersion of the pulse period based on the computed several pulse period data; and pressurization volume controlling means for controlling a pressurization volume by said pressurizing means in accordance with the dispersion of the computed pulse period.
Claim 4
Dependent Claim
192 words
An electronic blood pressure meter comprising: a cuff; pressurizing means for inflating the cuff; pressure sensing means for sensing a fluid pressure within the cuff; pulse wave detecting means for detecting a pulse wave component included in the cuff; systolic pressure estimating means for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected during inflation by the pressurizing means; pressurization volume computing means for computing a pressurization volume based on the estimated systolic pressure value; pressure decreasing means for decreasing the cuff pressure after reaching the pressurization volume; blood vessel information detecting means for detecting blood vessel information in the pressure decreasing process; blood pressure value determining means for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure; pulse period computing means for computing a pulse period of said pulse wave component detected in the pressurizing process; dispersion computing means for computing dispersion of the pulse period based on the computed several pulse period data; and pressurization volume controlling means for controlling a pressurization volume by said pressurizing means in accordance with the dispersion of the computed pulse period.
Claim 5
Dependent Claim
184 words
An electronic blood pressure meter comprising: a cuff; pressurizing means for inflating the cuff; pressure sensing means for sensing a fluid pressure within the cuff; pulse wave detecting means for detecting a pulse wave component included in the cuff; systolic pressure estimating means for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected during inflation by the pressurizing means; pressurization volume computing means for computing a pressurization volume based on the estimated systolic pressure value; pressure decreasing means for decreasing the cuff pressure after reaching the pressurization volume; blood vessel information detecting means for detecting blood vessel information in the pressure decreasing process; blood pressure value determining means for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure; dispersion degree computing means for computing a dispersion degree of the pulse wave amplitude based on several pulse data about said pulse wave amplitude computed in the pressurizing process; and pressurization volume controlling means for controlling a pressurization volume by said pressurizing means in accordance with the dispersion of the computed pulse period.
Claim 6
Dependent Claim
184 words
An electronic blood pressure meter comprising: a cuff; pressurizing means for inflating the cuff; pressure sensing means for sensing a fluid pressure within the cuff; pulse wave detecting means for detecting a pulse wave component included in the cuff; systolic pressure estimating means for estimating a systolic pressure value based on the pulse wave and the cuff pressure detected during inflation by the pressurizing means; pressurization volume computing means for computing a pressurization volume based on the estimated systolic pressure value; pressure decreasing means for decreasing the cuff pressure after reaching the pressurization volume; blood vessel information detecting means for detecting blood vessel information in the pressure decreasing process; blood pressure value determining means for determining systolic and diastolic pressure values based on the blood vessel information and the cuff pressure; dispersion degree computing means for computing a dispersion degree of the pulse wave amplitude based on several pulse data about said pulse wave amplitude computed in the pressurizing process; and pressurization volume controlling means for controlling a pressurization volume by said pressurizing means in accordance with the dispersion of the computed pulse period.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-30 | 1997-11-29 | 1998-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-30 | 2001-11-29 | 2002-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-30 | 2005-11-29 | 2006-05-31 | $7700.00 | Window Closed / Lapsed |