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    • 3. 发明授权
    • Continuous noninvasive blood pressure measuring apparatus and method
    • 连续无创血压测量仪及方法
    • US5255686A
    • 1993-10-26
    • US907795
    • 1992-07-02
    • Sunao TakedaHideo OzawaMitsushi HyogoYoshinobu Nakae
    • Sunao TakedaHideo OzawaMitsushi HyogoYoshinobu Nakae
    • A61B5/022A61B5/0225A61B5/00
    • A61B5/0225
    • In a continuous noninvasive blood pressure measuring apparatus, a systolic pressure, diastolic pressure, and mean arterial pressure for calibration are measured according to the output of a pressure sensor, a cuff pressure is set lower than the diastolic pressure by a cuff pressure control section, and a reference pulse wave is obtained from the arithmetic means of a plurality of cuff pulse waves. A CPU calculates the peak value and the bottom value of the reference pulse wave, and a cuff pressure mean value corresponding to the D.C. component of the reference pulse wave, and further calculates coefficients which are used to allow the peak value, bottom value and cuff pressure mean value thus obtained to correspond to correspond to the systolic pressure, diastolic pressure, and mean arterial pressure, respectively. The CPU calculates according to the output of a temperature sensor a cuff pressure temperature compensation value for compensating for an amount of variation of the cuff pressure which varies with the temperature of the cuff. In addition, the CPU, while compensating the cuff pressure, which is read continuously, with the cuff pressure temperature compensation value, continuously calculates a blood pressure by utilizing the cuff pressure thus compensated, and the coefficients provided by the coefficient calculating section, and the cuff pulse waves read continuously.
    • 在连续无创血压测定装置中,根据压力传感器的输出来测量收缩压,舒张压和用于校准的平均动脉压,通过袖带压力控制部将袖带压设定为低于舒张压, 并且从多个袖带脉冲波的运算装置获得参考脉搏波。 CPU计算参考脉搏波的峰值和底值,以及与参考脉搏波的直流分量对应的袖带压力平均值,并进一步计算用于允许峰值,底值和袖带 由此获得的压力平均值分别对应于收缩压,舒张压和平均动脉压。 CPU根据温度传感器的输出计算袖带压力温度补偿值,用于补偿袖带压力的变化量随袖带的温度而变化。 此外,CPU在通过袖带压力温度补偿值连续读取补偿袖带压力的同时,通过利用这样补偿的袖带压力连续计算血压,并且由系数计算部提供的系数和 袖带脉搏波连续读取。
    • 4. 发明授权
    • Foldable eyeglasses
    • 折叠眼镜
    • US06257720B1
    • 2001-07-10
    • US09544562
    • 2000-04-06
    • Hideo Ozawa
    • Hideo Ozawa
    • G02C504
    • G02C5/006G02C5/08G02C5/2263
    • A pair of eyeglasses as provided with a mechanism on the nose bridge making it possible to turn one of the glasses around. A side piece attached thereto turns over together with one of the glasses, with the result that both of the eyepieces will be displaced over the glasses on both sides so as to protect the glasses from impact and the like when folded. Located within the bridge nose main body is a screw surrounded by a spring. At each end of the screw there are washers which provide for ease of movement between the spring and the screw. The spring is under compression at all times. Still further, the screw is tightly thread fitted into the connecting portion of the bridge so as to prevent loosening.
    • 在鼻梁上设置有一个机构的一副眼镜使得可以围绕其中一个眼镜转动。 安装在其上的一个侧片与其中一个眼镜一起转动,结果是两个目镜都将在两侧的玻璃上移位,以便在折叠时保护眼镜免受冲击等影响。 位于桥鼻主体内的是一个被弹簧包围的螺丝。 在螺钉的每个端部都有垫圈,可以方便地在弹簧和螺钉之间移动。 春天在任何时候都在压缩下。 此外,螺钉紧紧地装配到桥的连接部分中,以防止松动。
    • 5. 发明授权
    • Pulse oximeter with probe difference compensation
    • 带探头差异补偿的脉搏血氧仪
    • US5267562A
    • 1993-12-07
    • US925636
    • 1992-08-07
    • Teiji UkawaSunao TakedaHideo Ozawa
    • Teiji UkawaSunao TakedaHideo Ozawa
    • A61B5/145A61B5/00A61B5/1455A61B5/1495
    • A61B5/14551A61B2562/085
    • A pulse oximeter of the present invention is to provide a greatly simplified in construction and a simplified procedure for performing arithmetic operations. The pulse oximeter of the present invention comprises a light-emitting diode which is provided in a probe and that illuminates a living tissue with red light of a reference wavelength, a light-emitting diode that illuminates the living tissue with infrared light, a light-receiving device that detects the optical output that remains after the living tissue absorbs the two wavelengths of red light and infrared light that have been issued from the light-emitting diodes, detectors which, on the basis of the detection output of the light-receiving device, compute the pulsating components of absorbances for the two wavelengths, a multiplier that multiplies the value from the detector by an appropriate coefficient in order to adjust that the value detected when using red light of a wavelength offset from the reference wavelength is gain-adjusted for correction to a known value obtained when using red light of the reference wavelength, a computing means that computes an absorbance ratio using both the value after gain adjustment that is delivered from the multiplier and the value from the detector, and a computing means that computes the oxygen saturation of arterial blood using the computed value. Information on the coefficient is provided by resistor which is built in the probe.
    • 本发明的脉搏血氧计是提供大大简化的结构和简化的程序来执行算术运算。 本发明的脉搏血氧计包括:设置在探头中的发光二极管,用参考波长的红光照射生物体组织;发光二极管,用红外光照射生物体组织;发光二极管, 接收装置,其检测在生物体组织吸收从发光二极管发出的红色光和红外光的两个波长后残留的光输出;检测器,其基于受光装置的检测输出 ,计算两个波长的吸光度的脉动分量,乘法器将来自检测器的值乘以适当的系数,以便调节当使用偏离参考波长的波长的红色光检测到的值被增益调整 对使用参考波长的红光获得的已知值的校正,使用计算吸光度比的计算装置 从乘法器递送的增益调整之后的值和来自检测器的值,以及使用计算值计算动脉血氧饱和度的计算装置。 关于系数的信息由内置在探头中的电阻提供。
    • 6. 发明授权
    • Blood flow volume measurement method and vital sign monitoring apparatus
    • 血流量测量方法和生命体征监测仪
    • US06652466B2
    • 2003-11-25
    • US10084309
    • 2002-02-28
    • Yoshihiro SugoMitsushi HyogoHideo Ozawa
    • Yoshihiro SugoMitsushi HyogoHideo Ozawa
    • A61B502
    • A61B5/02125A61B5/022A61B5/026A61B5/0285
    • A vital sign monitoring apparatus has estimated blood pressure calculation device for calculating estimated systolic blood pressure and estimated diastolic blood pressure from information relevant to blood pressure successively measured based on the relationship between information relevant to blood pressure and systolic blood pressure and the relationship between information relevant to blood pressure and diastolic blood pressure, systolic and diastolic duration measurement device for successively measuring a systolic duration and a diastolic duration, and blood flow volume calculation device for calculating a blood flow volume based on the estimated systolic blood pressure and the estimated diastolic blood pressure successively calculated and the systolic duration and the diastolic duration successively measured.
    • 生命体征监测装置基于与血压和收缩压相关的信息之间的关系以及相关的信息之间的关系,估计用于根据与依次测量的血压相关的信息来计算估计的收缩压和估计的舒张压的血压计算装置 血压和舒张压,用于连续测量收缩期和舒张期的收缩期和舒张期测量装置,以及基于估计的收缩压和估计的舒张压计算血流量的血流量计算装置 连续计算和连续测量收缩期和舒张期。
    • 7. 发明授权
    • Pulse oximeter probe
    • 脉搏血氧计探头
    • US6154667A
    • 2000-11-28
    • US222312
    • 1998-12-28
    • Hiroko MiuraNoriaki TodokoroHideo Ozawa
    • Hiroko MiuraNoriaki TodokoroHideo Ozawa
    • A61B5/145A61B5/00A61B5/1455
    • A61B5/6838A61B5/14552A61B5/6816A61B5/6826A61B5/6843
    • A movable mechanism (3) moves a first housing (1) having a light emitting element (4) mounted thereon and a second housing (2) having a photo sensing element (5) mounted thereon in a state that those housings are parallel to each other. The movable mechanism (3) includes a pair of knobs (15A and 15B) and a spring (11) urging those knobs to move apart from each other. When the knobs (15A and 15B), while resisting the force of the spring (11), are pressed so as to make a mutual approach of those knobs, the first housing (1) and the second housing (2) are moved apart from each other. At this time, a finger of a patient is placed between the housings, and an operator gradually lessens his force applied to the knobs (15A and 15B) and reduces the force to zero. Then, the finger is held between the first housing (1) and the second housing (2). In this case, the orientations of the axes of the light emitting element (4) and the photo sensing element (5) are variable irrespective of the thickness of the finger.
    • 可移动机构(3)移动具有安装在其上的发光元件(4)的第一壳体(1)和在其上安装有感光元件(5)的第二壳体(2),其中这些壳体平行于每个 其他。 可移动机构(3)包括一对旋钮(15A和15B)以及一个弹簧(11),其推动这些旋钮彼此分开移动。 当旋钮(15A和15B)在抵抗弹簧(11)的力的同时被按压以使得这些旋钮相互接近时,第一壳体(1)和第二壳体(2)移动离开 彼此。 此时,患者的手指放置在壳体之间,并且操作者逐渐减小施加到旋钮(15A和15B)的力并将力减小到零。 然后,手指保持在第一壳体(1)和第二壳体(2)之间。 在这种情况下,发光元件(4)和感光元件(5)的轴的取向与手指的厚度无关。