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    • 3. 发明专利
    • FLOW RATE CONTROL APPARATUS FOR INJECTING DRUG LIQUID
    • JPS6437961A
    • 1989-02-08
    • JP19399687
    • 1987-08-03
    • SHIMADZU CORPNADAI TANEKAZU
    • KAWAHARA NORIONADAI TANEKAZU
    • A61M5/00
    • PURPOSE:To always stably injecting a definite amount of a drug liquid in a living body within a definite time, by mounting a comparing means comparing the estimation result of the injection wt. of the drug liquid with an injection objective wt. and a flow rate control mechanism for controlling the outflow speed of the drug liquid from the container on the basis of the comparing result. CONSTITUTION:The wt. data from a wt. detecting mechanism 11 is hourly stored in a RAM 12c and, at each time when a counter P reaches preset (m), (m) the newest data pairs in the RAM 12c are converted to the pair of elapse time data and already injection wt. data using an initial wt. Ws and, by operation due to a method of least squares using these data, the injection amount wo at the point of time when To is elapsed after the start of injection is estimated. This amount wo is compared with an injection objective wt. wo and, when both of them are equal, the present clamp state of a tube F due to a flow rate control clamp apparatus 4 is kept and, when the former is larger than the latter, an order is given to a driver 16 in order to drive a pulse motor 43 toward the clamping side of the tube F and, contrarily, when the former is smaller than the latter, an order is given to the driver 16 in order to drive the motor 43 toward the side loosening the clamp of the tube F.
    • 4. 发明专利
    • ELECTRONIC BALANCE
    • JPS6027821A
    • 1985-02-12
    • JP13636083
    • 1983-07-25
    • SHIMADZU CORPNADAI TANEKAZU
    • NADAI TANEKAZUYANO SHIYOUZOUKAWAMOTO AKIRANAGAOKA TADASHI
    • G01G23/37
    • PURPOSE:To omit the necessity of memorizing the amount of planned measurement and to enhance working efficiency, by digitally displaying a measured value and a preset weight, and displaying the difference between both values in an analog value. CONSTITUTION:A load detecting part 1 detects a load and feeds the data to an operating part 2. Meanwhile, an input part 3 sets an arbitrary weight such as an amount of planned measurement and feeds the value to the operating part 2. The operating part 2 determines the measured display value from the detected load data, displays the value on a first digital display device 4, and displays the preset weight from the input part 3 on a second digital display device 5. The difference between the preset weight and the measured display value is displayed on an analog display part 6. An index 6', which indicates a point where the measured display value agrees with the preset weight, is provided. Thus the necessity of memorizing the amount of planned measurement can be omitted and working efficiency can be enhanced.
    • 6. 发明专利
    • FLOW AMOUNT CONTROL APPARATUS FOR INJECTING DRUG LIQUID
    • JPS6458261A
    • 1989-03-06
    • JP21591887
    • 1987-08-28
    • SHIMADZU CORPNADAI TANEKAZU
    • KAWAHARA NORIONADAI TANEKAZU
    • A61M5/00
    • PURPOSE:To prevent danger such that abnormal injection control accompanied by the variation of weight detection data is performed, by imparting an order relating to stop to keep the flow amount of a drug liquid at that point of time and interrupting the control operation of a flow amount until giving an order relating to reopening. CONSTITUTION:By the operation of a keyboard 13 the initial weight of the drug liquid in a drug liquid container B, that is, the injection objective weight w0 of the drug liquid and the objective required time T0 for injecting said weight w0 are inputted. The drug liquid injection amount w0 at the point of time when the objective required time T0 is elapsed is estimated to drive the pulse motor 43 of a flow amount controlling clamp mechanism 4 on the basis of said value. So for as a change-over switch 17 is not turned to a stop side, control operation is performed at each time when (m) data pairs are collected and, finally, the drug liquid of the weight w0 is injected in the body at the time T0. When the necessity for moving a patient is generated on the way of the injection of the drug liquid, the change-over switch 17 is set to the stop side and a flow amount is held to that at the set point of time to interrupt control and the change-over switch 17 is returned to the control side after movement to reopen control.
    • 8. 发明专利
    • WEIGHING DEVICE FOR MEDICINE
    • JPS6020122A
    • 1985-02-01
    • JP12838283
    • 1983-07-13
    • SHIMADZU CORPNADAI TANEKAZU
    • NADAI TANEKAZU
    • G01G17/04G01G19/52
    • PURPOSE:To prevent accident by inputting the name of the medicine to be compounded stated on a prescription and each weighing data thereof, comparing the name of the taken-out medicine and the weight thereof and alerting an alarm in the case of dissidence. CONSTITUTION:The name of the medicine to be compounded, the weight thereof and other required statements, etc. are inputted from a keyboard 10 and are stored in a random access memory 3 and are displayed at the same time on a CRT 11. When a medicine bottle is taken out of a medicine rack 7, the stored prescription and the data of the taken-out medicine bottle are compared and an alarm device 13 is operated in the case of dissidence. The medicine is weighed from a normal medicine bottle, then the data on the weighted value is inputted to be compared with the prescription data in the memory 3. When the difference exceeds a permissible value, the device 13 is operated and a printer 12 does not operate.