DISPOSABLE NON-INVASIVE BLOOD PRESSURE SENSOR
First Claim
1. A non-invasive blood pressure measurement device for determining blood pressure of an artery, the device comprising:
- a housing unit;
a base unit pivotally connected to the housing unit, the base unit comprising;
electrical circuitry;
a flexible ring; and
a 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
connection means for detachably connecting the sensing unit to the receptacle of the base unit.
1 Assignment
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Accused Products
Abstract
A non-invasive blood pressure measurement device is used for determining blood pressure of an artery. The device comprises a housing unit, a base unit and a sensing unit. The base unit is pivotally connected to the housing unit and comprises electrical circuitry, a flexible ring, and a receptacle. The sensing unit comprises 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 connection means for detachably connecting the sensing unit to the receptacle of the base unit.
16 Citations
38 Claims
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1. 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 connected to the housing unit, the base unit comprising;
electrical circuitry;
a flexible ring; and
a 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
connection means for detachably connecting the sensing unit to the receptacle of the base unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A sensing unit for use in a device for sensing blood pressure within an underlying artery, the device having a base unit pivotally connected to a housing unit, the sensing unit comprising:
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connection means for detachably connecting the sensing unit to the base unit;
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; and
a compressible ring. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A base unit for use in a device for sensing blood pressure within an underlying artery, the base unit comprising:
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electrical circuitry;
a flexible ring; and
wherein the base unit is detachably connected, physically and electrically, to a sensing unit, the sensing unit including sensing means. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. A 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 housing unit;
a base unit pivotally connected to the housing unit and including electrical circuitry;
a sensing unit detachably connected to the base unit, the sensing unit including sensing means for sensing 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. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification