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| Number | Title | Issue Date |
| 8096952 | Electric-powered air release valve and blood pressure gauge The electric-powered air release valve comprises a nozzle, a fixed iron core; an excitation coil; a movable iron plate; a leaf spring: a rubber valve; and a yoke; wherein a circular hole capable of accommodating a circular column part at one end of the fixed iron co... | 01/17/2012 |
| 8075492 | Automatic decompression valve for sphygmomanometer with extension spring Disclosed is an automatic decompression valve for sphygmomanometer with an extension spring, which can decompress pressure at a constant without control of the decompression vale of the sphygmomanometer, and be used uprightly regardless of a peripheral circumstance.... | 12/13/2011 |
| 8066645 | Blood pressure bleed valve assembly A bleed flow valve assembly for venting air from a blood pressure cuff at relatively constant pressure decrease rate irrespective of cuff size includes a multiple chamber bleed valve and a multiple position control valve operatively associated therewith. A first end... | 11/29/2011 |
| 7527595 | Pump provided with exhaust valve device and hemodynamometer incorporating the same A diaphragm is provided in a pump case so as to define a pump chamber communicated with an external member having an air chamber. The actuator is provided in the pump chamber. An exhaust valve is provided with a valve body, formed with a slit through which air the p... | 05/05/2009 |
| 7361149 | Pressure-dependent automatic leak valve for sphygmomanometers A pressure-dependent automatic leak valve for sphygmomanometers is able to regularly reduce the pressure in a cuff without manipulation of a pressure reducing valve. Fluid resistance of air to be discharged through the pressure-dependent automatic leak valve is auto... | 04/22/2008 |
| 7331773 | Pump provided with exhaust valve device and hemodynamometer incorporating the same A diaphragm is provided in a pump case so as to define a pump chamber communicated with an external member having an air chamber. A motor actuates the diaphragm to introduce air into the pump chamber and to supply the introduced air to the air chamber. An exhaust va... | 02/19/2008 |
| 7204809 | Pressurizing apparatus and method for the same A pressurizing apparatus and method for adjusting an optimal pressurizing rate according to a cuff of various lengths. The pressurizing method measures the pressure values at two reference points and time duration to calculate a pressurizing rate. A control adjustme... | 04/17/2007 |
| 7018337 | Method and apparatus for automatic non-invasive blood pressure monitoring An automatic non-invasive blood pressure monitoring system includes a blood pressure monitor, a blood pressure cuff pneumatically connected to the blood pressure monitor, a deflation valve connected intermediate the blood pressure monitor and the blood pressure cuff... | 03/28/2006 |
| 6752764 | Pocket sphygmomanometer A sphygmomanometer with an air reservoir connected above a tube for a mercury column and a selectively openable and closeable valve to the air reservoir. With the valve open, first blood pressure measurements can be made by pressure rising in the mercury reservoir. ... | 06/22/2004 |
| 6682547 | Tourniquet cuff with identification apparatus A low cost tourniquet cuff with identification apparatus comprises: an outer strip; an inner strip positioned against the outer strip; a gas-tight seal joining the inner strip to the outer strip to form a cuff having a physical characteristic wherein the ... | 01/27/2004 |
| 6540699 | System for incorporating sonomicrometer functions into medical instruments and implantable biomedical devices A biomedical apparatus is disclosed including an implantable biomedical device for providing biomedical assistance to the body structure and a device controller for regulating the operation of the biomedical device. A sonomicrometer arrangement is provide... | 04/01/2003 |
| 6346082 | Device for regulating fluid flow rate, evacuation device for a sphygmomanometer and sphygmomanometer There are provided a casing (21), a valve element (23) that effects opening/closure of an evacuation port (22), and means for driving (24) that effect opening/closure drive of this valve element. Fine irregularities (23b) are formed on valve element (23).... | 02/12/2002 |
| 5992239 | Gauge A gauge is provided, preferably for patient use, in which a piston moves linearly within a gauge body against the force of a spring. A diaphragm separates the sensing side of the piston from the clean or atmosphere side of the piston. The diaphragm rolls ... | 11/30/1999 |
| 5833620 | Constant-rate deflator for sphygmomanometer A constant-rate deflator for constantly reducing air pressure of a cuff-type sphygmomanometer is disclosed. The constant-rate deflator includes a ventilation-adjusting shaft 2 with a truncate-cone recess 2a formed in one of the end thereof and a leak valv... | 11/10/1998 |
| 5570694 | Blood pressure measuring device and a method of controlling the cuff pressure in a blood pressure measuring device For controlling the cuff pressure in a blood pressure measuring device, the volume flow between a pump for filling the cuff and a valve for emptying the cuff on the one hand and the cuff on the other hand is detected by a flow sensor whose output signal i... | 11/05/1996 |
| 5556073 | Linear control valve A linear control valve that includes a flexible cantilevered beam having a seal mounted thereon that is arranged to open and close against a fluid port as the beam is flexed. The free end of the beam is in contact with a motor driven deflector and the amo... | 09/17/1996 |
| 5467772 | Automatic sphygmomanometer A small and power-saving automatic sphygmomanometer constructed of minimum of parts. This automatic sphygmomanometer which inflates a pressure cuff to a value higher than that of one's maximum blood pressure and measures the blood pressure in the process ... | 11/21/1995 |
| 5464019 | Airflow control manifold for automatic blood pressure monitoring device A blood pressure monitoring device utilizing an integrally formed, substantially unitary manifold is shown and described. The manifold has an air inlet port for communicating with an air pump, and two cuff ports, one to be coupled to a blood pressure cuff... | 11/07/1995 |
| 5323806 | Constant-speed exhaust valve device for hemadynamometer A constant-speed exhaust valve device has a valve body of a cylindrical shape opened at both axial ends, and a push means disposed to apply an axial compressive force to the valve body, whereby the exhaust speed of the device can be made steady and manufa... | 06/28/1994 |
| 5240008 | Inflation control apparatus for an automatic blood pressure gauge An automatic blood pressure measuring device includes a flexible inflation system which quickly and accurately inflates neonatal, pediatric and adult cuffs without significant pressure overshoot. The device uses an electric pump having two intake orifices... | 08/31/1993 |
| 5224484 | Pressure signal processing apparatus and method for an automatic blood pressure gauge An automatic blood pressure gauge uses two pulse width modulated solenoid valve to achieve a substantially linear deflation curve. The solenoid valves are controlled by a valve switching signal that has a fixed fundamental frequency. The gauge samples and... | 07/06/1993 |
| 5220925 | Electronic sphygmomanometer A sphygmomanometer including a constant rate air-bleed valve for that is coupled to a cuff for reducing the pressure in the cuff. The valve has a valve casing and a tubular member in the casing. A slit in the tubular member allows air to bleed from the cu... | 06/22/1993 |
| 5143077 | Constant-rate discharge valve, and electronic automatic sphygmomanometer using same A constant-rate discharge valve adapted so as to render a discharge rate constant includes a housing having an internal air chamber and an open hole open to the atmosphere, first and second air passageways each having one end open to the air chamber and c... | 09/01/1992 |
| 5137024 | Gas flow valve and sphygmomanometer air-feeding/discharging apparatus using the same A gas flow valve enables constant venting and is used with a cuff showing a rapid decrease in venting ability at a predetermined value on a boundary within the pressure range which allows measurment of blood pressure. The gas flow valve has a body made of... | 08/11/1992 |
| 5031631 | Automatic blood pressure measuring apparatus having pressure chamber-relieving means An apparatus for automatically measuring a blood pressure of a subject, including a device for defining an inflatable pressure chamber, the device being set on a body portion of the subject, a flexible piping, a device for supplying a pressurized fluid to... | 07/16/1991 |
| 5027823 | Gas flow valve, and automatic sphygmomanometer using same A gas flow valve is provided in a pressure operated part to obtain an air flow velocity conforming to a change in pressure. A main body comprises a resilient member and is tapered from a base end to a distal end thereof to form a wedge-shaped portion at t... | 07/02/1991 |
| 5022403 | Automatic blood pressure measuring device and method with cuff size determination The device measures blood pressure automatically using the oscillometric technique wherein cuff pressure is deflated stepwise in dynamically determined increments while cuff pressure oscillations are sensed at each cuff pressure level and stored in a comp... | 06/11/1991 |
| 5014716 | Sphygmomanometer air connector An air connector for use in association with a sphygmomanometer body, comprising an air socket having an air plug acceptor and a pressure measuring air line and an exhaust air line each communicating with the air plug acceptor, an air supply plug removabl... | 05/14/1991 |
| 4998562 | Flow control valve A flow control valve to regulate the bleed flow rate of a pressurized vessel at one of only two available bleed flow rates. The flow control valve comprises an axial main gas flow passageway with an integral check valve that allows pressurization of the v... | 03/12/1991 |
| 4971063 | Blood pressure monitor and pneumatic connector therefor A pneumatic connector for an automated non-invasive blood pressure monitor having a connector body (1) containing two oppositely arranged hollow cavities (8) for insertion of a differential pressure sensor in each cavity. The hollow cavities are connected... | 11/20/1990 |
| 4962764 | Hemostatic unit for measuring arterivenous bloodstreams A hemostatic unit for the determination of arteriovenous bloodstreams comprises a flat cuff (15) having a length sufficient to be wound by about one and a half turns around the region to be measured and being chargeable with compressed air, a pump (11, 21... | 10/16/1990 |
| 4942879 | Mercury sphygmomanometer A mercury sphygmomanometer has an air pump connected to the top of a mercury passage through a tube so that the pump is activated in response to an operation of closing a cover. Accordingly, it is possible to return the mercury left in the mercury passage... | 07/24/1990 |
| 4926874 | Method for determining blood pressure One aspect of the present invention involves a blood pressure recorder system of the type having an inflatable cuff, a pressurized gas source and an inflation valve. The system includes a cuff pressure trigger unit which senses the gas pressure in the cuf... | 05/22/1990 |
| 4924873 | Pneumatic control system for neonatal blood pressure monitoring A control system for a blood pressure monitor having a blood pressure cuff, an air pump for inflating the cuff, a pressure transducer measuring the air pressure in the cuff, and a bleed valve for selectively venting the blood pressure cuff to reduce the c... | 05/15/1990 |
| 4841980 | Automatic arterial blood pressure recorder system One aspect of the present invention involves a blood pressure recorder system of the type having an inflatable cuff, a pressurized gas source and an inflation valve. The system includes a cuff pressure trigger unit which senses the gas pressure in the cuf... | 06/27/1989 |
| 4800892 | Apparatus for inflating cuff for blood pressure monitoring system An inflation system for providing rapid, linear inflation of a container, such as an occlusion cuff used in connection with a blood pressure monitoring system. The invention system provides an automatic fast-fill of the cuff to a predetermined pressure le... | 01/31/1989 |
| 4768518 | Pressure control system and apparatus for the cuff of an automatic non-invasive blood pressure meter The invention relates to a pressure control system and apparatus for the cuff of an automatic blood pressure meter. Pressure reduction is adapted to be effected by using at least two constrictions (3) having a constant constriction, the selection and comb... | 09/06/1988 |
| 4744391 | Flow control valve A flow control valve operable to bleed pressure from a pressurized source. The flow control valve includes an integral body, a bleed cap, a bleed valve element and a check valve assembly formed of a valve housing and a valve element.... | 05/17/1988 |
| 4721438 | Motor-driven fluid pump A fluid pump has a pumping member which defines the boundary of a pump chamber and is driven to reciprocate between the positions of expanding and contracting the pump chamber for drawing in the pump chamber a fluid and feeding it into a vessel to be pres... | 01/26/1988 |
| 4690171 | Valve assembly for a sphygmomanometer A valve assembly for a sphygmomanometer controls the inflation and deflation of a pressure cuff. The valve assembly includes an inlet connectable to a fluid pressure source such as a bellows, an outlet which is connectable to a blood pressure cuff, an inl... | 09/01/1987 |
