公开(公告)号：WO1997000041A1

公开(公告)日：1997-01-03

申请号：PCT/US1996010296

申请日：1996-06-12

Applicant: NELLCOR PURITAN BENNETT INCORPORATED

Inventor： NELLCOR PURITAN BENNETT INCORPORATED ,  YORKEY, Thomas, J.

IPC: A61B05/00

CPC classification number: A61B5/14551 ,  A61B5/7207 ,  A61B5/7239

Abstract: Motion compensation is based on analysis of intensity signals received by detectors, without separately measuring a motion signal, without providing feedback to cancel the motion signal and without attempting to mathematically eliminate the motion signal. Instead, the present invention mathematically recognizes the presence of the motion signal and recognizes a few key characteristics of the motion signal and makes corresponding assumptions. First, it is recognized that the motion/noise in each wavelength signal is proportional. Second, it is assumed that the blood pulse signal is not affected by motion.

Abstract translation: 运动补偿基于对检测器接收的强度信号的分析，而不需要单独测量运动信号，而不提供反馈以消除运动信号，而不尝试以数学方式消除运动信号。 相反，本发明在数学上识别运动信号的存在并识别运动信号的几个关键特征并作出相应的假设。 首先，认识到每个波长信号中的运动/噪声是成比例的。 其次，假设脉搏信号不受运动影响。

公开(公告)号：EP1018934A1

公开(公告)日：2000-07-19

申请号：EP98943449.3

申请日：1998-08-28

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R. ,  MOSHIER, Richard, D. ,  YORKEY, Thomas, J.

IPC: A61B5/0245

CPC classification number: A61B5/746 ,  A61B5/02455 ,  A61B5/1455 ,  A61B2560/0276

Abstract: A method and apparatus for controlling alarms in medical diagnostic apparatus where an alarm is generated when a measured value for a physiological parameter passes a threshold. The method determines both the amount of time the measured value is past the threshold, and the amount by which the threshold is passed. The alarm is inhibited based upon a combination of (1) the amount of time and (2) how much past the threshold the measured value is. Preferably, the combination is an integral or some function of an integral.

公开(公告)号：EP1006863A1

公开(公告)日：2000-06-14

申请号：EP97906319.5

申请日：1997-03-21

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R., Jr. ,  YORKEY, Thomas, J.

IPC: A61B5/00

CPC classification number: A61B5/14551

Abstract: A method of reducing noise effects in a system for measuring a physiological parameter, comprises the steps of: (a) generating a plurality of measurements derived from at least one wavelength of electromagnetic energy transmitted through living tissue; (b) comparing selected measurements with at least one expected measurement characteristic; (c) assigning one of a plurality of variable weights to each selected measurement based on the comparing step thereby generating a plurality of differently weighted measurements; and (d) averaging a plurality of the differently weighted measurements to obtain a filtered measurement for use in estimating the physiological parameter.

公开(公告)号：EP1018934B1

公开(公告)日：2001-11-07

申请号：EP98943449.3

申请日：1998-08-28

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R. ,  MOSHIER, Richard, D. ,  YORKEY, Thomas, J.

IPC: A61B5/0245

CPC classification number: A61B5/746 ,  A61B5/02455 ,  A61B5/1455 ,  A61B2560/0276

公开(公告)号：EP1006864B1

公开(公告)日：2003-10-15

申请号：EP97906324.5

申请日：1997-03-21

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R., Jr. ,  YORKEY, Thomas, J.

IPC: A61B5/00

CPC classification number: A61B5/14551 ,  A61B5/7207 ,  A61B5/725

Abstract: A method for measuring a blood constituent using data corresponding to a wavelength of electromagnetic energy transmitted through tissue of a patient comprises a) filtering the data such that motion and noise energy not at integer multiples of a heart rate of the patient are attenuated, thereby generating filtered data; b) comparing selected filtered data with at least one expected data characteristic; c) assigning one of a plurality of variable weights to each selected filtered data based on the comparing step thereby generating a plurality of differently weighted filtered data, the variable weights comprising a plurality of different non-zero numbers; and d) averaging a plurality of the differently weighted filtered data to obtain a twice-filtered data for use in estimating the blood constituent.

公开(公告)号：EP0966665A1

公开(公告)日：1999-12-29

申请号：EP97906323.0

申请日：1997-03-21

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R., Jr. ,  YORKEY, Thomas, J.

IPC: A61B5 ,  G01N21

CPC classification number: A61B5/14551 ,  G01N21/274 ,  G01N21/3151

Abstract: A method of measuring a blood constituent value using data comprising a single data set comprises: (a) determining a plurality of possible blood constituent values using a plurality of blood constituent value calculators, each of the blood constituent value calculators using the single data set, each of the possible blood constituent values having a confidence level associated therewith based on at least one quality metric; and (b) arbitrating between the plurality of possible blood constituent values with regard to the confidence levels to determine a measure of the blood constituent.

公开(公告)号：EP1006863B1

公开(公告)日：2003-10-15

申请号：EP97906319.5

申请日：1997-03-21

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R., Jr. ,  YORKEY, Thomas, J.

IPC: A61B5/00

CPC classification number: A61B5/14551

公开(公告)号：EP1158895A1

公开(公告)日：2001-12-05

申请号：EP00917774.2

申请日：2000-03-07

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： SWEDLOW, David, B. ,  DALEO, Stephen, L. ,  YORKEY, Thomas, J. ,  RICHARDS, Edward, M. ,  PORGES, Charles ,  STUART, Charles ,  NEMITS, Daniel, M. ,  DELONZOR, Russell, L.

IPC: A61B5/00

CPC classification number: A61B5/14551 ,  A61B5/0002 ,  A61B5/7232 ,  A61B2560/045 ,  G06F19/00

Abstract: A mechanism for storing and providing historical physiological data, such as blood oxygen saturation data, for a patient. In particular, the historical physiological data is stored in a storage medium that "travels" with the patient and is accessible wherever the patient is moved. This is achieved by storing the physiological data within a sensor assembly. At the destination site, a monitor or a device capable of interfacing with the sensor electronics can retrieve and display the data. The historical physiological data allows a clinician or medical personnel at the destination site to assess the condition of the patient for the entire time that the patient has been monitored. Various types of physiological data can be stored including, but not limited to, blood oxygen saturation, heart rate, and temperature data. Compression of the data can be performed to enhance the storage capability.

公开(公告)号：EP1006864A1

公开(公告)日：2000-06-14

申请号：EP97906324.5

申请日：1997-03-21

Applicant: Nellcor Puritan Bennett Incorporated

Inventor： BAKER, Clark, R., Jr. ,  YORKEY, Thomas, J.

IPC: A61B5/00

CPC classification number: A61B5/14551 ,  A61B5/7207 ,  A61B5/725

Abstract: A method for measuring a blood constituent using data corresponding to a wavelength of electromagnetic energy transmitted through tissue of a patient comprises a) filtering the data such that motion and noise energy not at integer multiples of a heart rate of the patient are attenuated, thereby generating filtered data; b) comparing selected filtered data with at least one expected data characteristic; c) assigning one of a plurality of variable weights to each selected filtered data based on the comparing step thereby generating a plurality of differently weighted filtered data, the variable weights comprising a plurality of different non-zero numbers; and d) averaging a plurality of the differently weighted filtered data to obtain a twice-filtered data for use in estimating the blood constituent.