IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0841152
(2001-04-23)
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발명자
/ 주소 |
- Eggers, Philip N.
- Severe, Lon M.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
114 인용 특허 :
105 |
초록
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A patient is monitored using a monitoring apparatus including a remote monitoring unit associated with the patient and having a sensor that measures a physiological characteristic of the patient, a central unit, and a communications device which selectively establishes a communications link between
A patient is monitored using a monitoring apparatus including a remote monitoring unit associated with the patient and having a sensor that measures a physiological characteristic of the patient, a central unit, and a communications device which selectively establishes a communications link between the remote monitoring unit and the central unit. The remote monitoring unit obtains a monitored data set for the patient, analyzes the monitored data set to obtain a derived data set from the monitored data set, and determines from the derived data set that communication with the central unit is required. A communications link is established with the central unit, and the remote monitoring unit transmits to the central unit an initially transmitted data set related to the monitored data set. The central unit analyzes the initially transmitted data set and instructs the remote monitoring unit as to any additional transmitted data set related to the monitored data set that is to be transmitted from the remote monitoring unit to the central unit and a time at which the additional transmitted data set is to be transmitted.
대표청구항
▼
A patient is monitored using a monitoring apparatus including a remote monitoring unit associated with the patient and having a sensor that measures a physiological characteristic of the patient, a central unit, and a communications device which selectively establishes a communications link between
A patient is monitored using a monitoring apparatus including a remote monitoring unit associated with the patient and having a sensor that measures a physiological characteristic of the patient, a central unit, and a communications device which selectively establishes a communications link between the remote monitoring unit and the central unit. The remote monitoring unit obtains a monitored data set for the patient, analyzes the monitored data set to obtain a derived data set from the monitored data set, and determines from the derived data set that communication with the central unit is required. A communications link is established with the central unit, and the remote monitoring unit transmits to the central unit an initially transmitted data set related to the monitored data set. The central unit analyzes the initially transmitted data set and instructs the remote monitoring unit as to any additional transmitted data set related to the monitored data set that is to be transmitted from the remote monitoring unit to the central unit and a time at which the additional transmitted data set is to be transmitted. nce of Microencapsulation", , Mar. 16, 2002, pp 1-7. row band light sources, optical diffusers, diffusing cuvette and light detector for determination of molecular constituents of light dispersing fluids, the improvement comprising providing an indication that is insensitive to the light scattering effects of suspended particles. 5. An indicator arrangement as defined in claim 4 wherein said measurement system is effected by means of a light measurement system including a light source, diffuse optical system, a light receiver and readout means. 6. An indicator arrangement as defined in claim 4 wherein said measurement is effected by means of one or more light emitting diodes selected for determination of the hemoglobin concentration in whole blood. 7. An indicator arrangement as defined in claim 4 wherein said measurement is effected by one or more optional filters selected for determination of the hemoglobin concentration in whole blood. 8. An indicator arrangement as defined in claim 4 wherein said measurement is effected by two or more light sources whose wavelengths are selected for determination of oxyselected hemoglobin, dioxygenated hemoglobin, carboxyhemoglobin, methemoglobin, or hemiglobincyanide. 9. An indicator arrangement as defined in claim 4 further comprising a disposable cuvette. 10. An apparatus for use in providing in-vivo, real time measurement of blood pH, pCO2, hemoglobin, and hemoglobin oxygen saturation, comprising: a disposable cuvette having an optically transmissive housing containing first, second, and third blood chambers and first and second sensors for measurement of pH, pCO2, hemoglobin, and hemoglobin oxygen saturation; first and second light sources respectively having first and second narrow band of wavelengths, said first and second light sources being oriented to illuminate the first and second sensors for sensing of pH and pCO2 in the first and second blood chambers, respectively; and third and fourth light sources respectively having third and fourth narrow band of wavelengths, respectively, said third and fourth light sources being oriented to illuminate a blood sample in the third blood chamber when the third and fourth light sources are transmitting light; means for detecting the first, second, third, and fourth narrow band of wavelengths from each of the first, second, third, and fourth light sources; and diffuser means for providing the light illuminating the first, second, and third blood chambers with a broad angular dispersion so that the light incident on the blood samples approaches a diffuse planar source of light, the diffuser means being disposed between the light sources and the blood sample. 11. The apparatus of claim 10 wherein the diffuser means further comprises an optically transmissive material containing a dispersion of non-absorption light-scattering particles. 12. An apparatus for use in providing in-vivo, real time measurement of selected blood characteristics, comprising: a housing containing at least one optically transmissive blood chamber for receiving a sample of blood; at least two light sources, each providing illumination within a narrow band of wavelengths, each of said light sources being oriented to illuminate first and second sensor assemblies for detecting pH and pCO2 of a blood sample in said blood chamber when the light sources are transmitting light, wherein the first and second sensor assemblies include pH and pCO2 sensitive hydrogel layers, reflective layers, opaque layers, and appropriate blood contact layers. 13. An apparatus for use in providing in-vivo, real time measurement of blood pH, pCO2, hemoglobin, and hemoglobin oxygen saturation, comprising: a general purpose computing device for displaying various measured values, user controls and for storing the operating instructions for the apparatus; a first interface card containing the electronic control and signal conditioning circuitry; a second interface card for providing connection of the computing device to analog signal
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