Disposable non-invasive blood pressure sensor
First Claim
1. A sensor interface assembly for a blood pressure measurement device that determines blood pressure of an underlying artery, the sensor interface assembly comprising:
- a base unit for pivotally attaching to the blood pressure measurement device;
a sensing unit including sensing means for sensing a blood pressure of each pulse as each pulse travels beneath the sensing means; and
means for detachably connecting the sensing unit to the base unit wherein the means for detachably connecting mechanically and electrically couple the sensing unit to the base unit.
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Abstract
A sensor interface assembly is used with a blood pressure measurement device to determine blood pressure of an underlying artery. The sensor interface assembly includes a base unit, a sensing unit and means for detachably connecting the sensing unit to the base unit. The base unit is pivotally attached to the blood pressure measurement device. The sensing unit includes sensing means for sensing blood pressure of each pulse as each pulse travels beneath the sensing means. The means for detachably connecting mechanically and electrically couple the sensing unit to the base unit.
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Citations
9 Claims
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1. A sensor interface assembly for a blood pressure measurement device that determines blood pressure of an underlying artery, the sensor interface assembly comprising:
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a base unit for pivotally attaching to the blood pressure measurement device; a sensing unit including sensing means for sensing a blood pressure of each pulse as each pulse travels beneath the sensing means; and means for detachably connecting the sensing unit to the base unit wherein the means for detachably connecting mechanically and electrically couple the sensing unit to the base unit. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A sensor for a non-invasive blood pressure measurement device, the sensor for measuring blood pressure pulses within an underlying artery surrounded by tissue of a patient as the underlying artery is compressed, the sensor comprising:
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a base unit for coupling to the blood pressure measurement device, the base unit including electrical circuitry, a flexible ring and a connection receptacle; and a sensing unit comprising; a pressure transducer for sensing pulses of the underlying artery, the transducer having a sensing surface; a flexible diaphragm having an active portion for transmitting blood pressure pulses of the underlying artery; interface means coupled between the sensing surface of the transducer and the flexible diaphragm for transmitting the blood pressure pulses within the underlying artery from the flexible diaphragm to the sensing surface of the transducer; a compressible ring; and connecting means for detachably connecting the sensing unit to the receptacle of the base unit.
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8. A non-invasive blood pressure measurement device for determining blood pressure of an artery, the device comprising:
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a housing unit; a base unit pivotally coupled to the housing unit, the base unit including electrical circuitry interconnected with the housing unit; and a sensing unit for sensing pulses of the underlying artery, the sensing unit being detachably connected to the base unit; wherein the sensing unit includes a plurality of electrical connectors which are received by a receptacle of the base unit to provide both electrical and mechanical connection of the sensing unit to the base unit; and wherein the electrical connectors provide power to the sensing unit and receive output signals from the sensing means. - View Dependent Claims (9)
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Specification