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| Number | Title | Issue Date |
| 5048522 | Power muscle stimulator A method and apparatus are provided for electrically stimulating muscle of individuals having little or no nerve damage so the muscle can be power contracted with little pain to the individual. A therapeutic current is applied to the muscle which includes... | 09/17/1991 |
| 5048523 | Transcutaneous electric nerve stimulator In a transcutaneous electric nerve stimulator for producing in a predetermined sequence of different types of waveforms (in which the frequency varies, the signal is successively and/or intermittently created, etc.), when the user depresses a predetermine... | 09/17/1991 |
| 5048524 | Blood parameter measurement A method and apparatus for measuring the oxygen saturation level and hematocrit of human blood in real time. A catheter having a notch in its tip is inserted into a blood vessel and guided to a desired location in the body of a patient. Bursts of light at... | 09/17/1991 |
| 5048525 | Blood parameter measurement system with compliant element An assembly for the measurement of a blood parameter comprising a catheter having a lumen extending therethrough and a sensor mounted in the lumen. A conduit couples the lumen to a source of anti-clotting solution, and a compliant element is coupled to th... | 09/17/1991 |
| 5048526 | Gas jet shooting device for use with a non-contact tonometer A gas jet shooting device for use with a non-contact tonometer, having a hollow head (19) with a nozzle (27) secured thereto, a cylinder (10) which communicates with the head, and a piston (11) reciprocatably mounted in the cylinder and defining a compres... | 09/17/1991 |
| 5048527 | Shock wave treatment apparatus A shock wave treatment apparatus has a piezo-electric transducer for creating a convergent point of shock wave to crush a to-be-crushed object in a living body. A water tank filled with water is disposed under the shock wave transmission surface of the pi... | 09/17/1991 |
| 5048528 | Alias suppression in pulsed doppler systems A Doppler velocity spectrum produced by radial projection in a two-dimensional Fourier frequency domain is processed to suppress alias spectral terms. The projected spectrum is divided into windows using an iterative algorithm which centers the spectral m... | 09/17/1991 |
| 5048529 | Ultrasonic transducer probe A belt driven pulley mounting a transducer in a probe system used for ultrasonic medical diagnostic imaging. The location of the sector scanned by the transducer is varied by changing the angular relationship beween the drive pulley of the system and the ... | 09/17/1991 |
| 5048530 | Method of using an amniocentesis needle with improved sonographic visibility Disclosed is a medical cannula or amniocentesis needle of improved sonographic visibility. The invention comprises a needle or cannula having one or more sounding apertures formed therein. The diameter of each sounding aperture is substantially equal to a... | 09/17/1991 |
| 5048531 | Pressure sensors and manufacture thereof A pressure sensor comprising a first housing piece defining a lumen therethrough and an opening to said lumen to provide communication between said lumen and a sensing element, said first housing piece having a first surface surrounding said opening, a se... | 09/17/1991 |
| 5048532 | Method and apparatus for measuring blood pressure A method and appartus are provided for measuring left atrial pressure by inserting a sensing probe into the esophagus and positioning the probe so that pressure from the left atrium is sensed by the probe. More particularly, the invention provides a metho... | 09/17/1991 |
| 5048533 | Method and apparatus for a non-invasive examination of blood circulation in a living organism A method and apparatus for the non-invasive examination of the blood circulation of a living organism uses a device having: a pair of sensors (18, 19), each of which detects the value ଲ (t) of a measurement value that changes during one pulse wave w... | 09/17/1991 |
| 5048534 | Method of and device for determining quantities characterizing the flow of a liquid in a vascular system A part of the vascular system which may be considered to consist of an entrance vessel (33), a reservoir (37) and an exit vessel (35) is arranged in an apparatus for making subtraction images by means of penetrating radiation, a contrast medium which abso... | 09/17/1991 |
| 5048535 | Method and apparatus for detecting QRS complex of ECG A method for detecting a QRS complex of an ECG is provided. The method includes the steps of inputting an ECG signal, setting a first threshold value based on a peak value of a QRS complex of the ECG signal, setting a second threshold value by estimating ... | 09/17/1991 |
| 5048536 | Tourniquet for regulating applied pressures A tourniquet comprising: (a) an occlusive band for encircling a limb of a subject and for applying pressure to the limb wherein an inner surface of at the band faces the limb; and applied pressure sensing means located at a predetermined position on the i... | 09/17/1991 |
| 5048537 | Method and apparatus for sampling blood A source of saline solution under pressure is connected through tubing to a catheter inserted in a patient's blood vessel. A waste collection bag is connected to the tubing through a stopcock which permits the selective connecting of the catheter to the w... | 09/17/1991 |
| 5048538 | Biopsy instrument An instrument for removing tissue samples from a tissue mass which automatically penetrates, severs, and removes a tissue portion for examination. The instrument is motor powered, preferably by self-contained rechargeable batteries, and employs electrical... | 09/17/1991 |
| 5048539 | Methods and apparatus for directly sensing and measuring blood related parameters A disposable cartridge, included in a blood sample analysis system, is described wherein the cartridge itself contains means for both sensing and measuring preselected blood related parameters. The blood sample being analyzed is directly placed in contact... | 09/17/1991 |
| 5048540 | Contact unit embeddable in an electrically conductive casting for use in electrical treatment for therapeutical or beauty purposes A contact unit for applying current to a person's skin through an electrically conductive casting composition spread over an area of skin to be treated for therapeutical or beauty purposes. The contact unit electrically interconnects an electric current g... | 09/17/1991 |
| 5048541 | X-ray patient restraint An X-ray patient restraint comprises brackets which are mounted on the laterally opposite sides of the front of the backboard which also receives the X-ray film, and a restraint strap passes through the brackets to adjustably attach back to itself with Ve... | 09/17/1991 |
| 5048542 | Sleep aid pads A combination pad and strap assembly that is secured to a part of the body such as an arm, leg, or torso of a convalescing individual to prevent sleep disturbance includes a covered foam block having a first patch of fastener material on its rear side, an... | 09/17/1991 |
| 5048543 | Continuous rod-making machines A rotary ledger for a continuous rod-making machine includes gears (50,54) having interengaging teeth which are subjected to a pressure applied by resilient means to reduce or eliminate backlash. The pressure is applied as a predetermined torque applied t... | 09/17/1991 |
| 5048544 | Cigarette substitute A cigarette substitute of the present invention is disclosed which provides an edible portion having a small amount of a nicotine composition sufficient to satisfy the desires of the cigarette smoker. The edible portion should preferably be in the shape a... | 09/17/1991 |
| 5048545 | Smoking device According to a smoking device of the present invention, major and a minor smoke streams given out during smoking are temporarily stored in a storage section by means of a forcible sucking device. The storage section is taken out to the outdoors later, and... | 09/17/1991 |
| 5048546 | Filter and method of treating tobacco smoke to reduce materials harmful to health A method for treating nicotine containing materials such as tobacco, tobacco smoke and tobacco extracts involves adding to an adsorptional filter material postassium aluminum sulfate, KAl (SO4)2, commonly known as alum, in a quantity... | 09/17/1991 |
| 5048547 | Nail polish remover container A manicuring device adapted for removing fingernail polish comprising a cylindrical receptacle defining an interior chamber with a plurality of integral bristle members spaced in rows and projecting inward to define a finger insertion area.... | 09/17/1991 |
| 5048548 | Vapor control system for vapor degreasing/defluxing equipment An improved vapor degrease characterized by a deep freeboard zone (i.e., freeboard to width ratio of 1.0 to 2.3) containing a three-stage condenser/heat exchanger configuration comprising: a water-cooled lower primary exchanger operating above 32° F. to ... | 09/17/1991 |
| 5048549 | Apparatus for cleaning and/or fluxing circuit card assemblies Apparatus and a process are disclosed for cleaning and/or fluxing circuit card assemblies. The assemblies are moved through an enclosure in which they are sprayed with cleaning and/or fluxing liquid from fenestrated cylinders rotating above and below the ... | 09/17/1991 |
| 5048550 | Structure of triple-folding umbrella skeleton A triple-folding umbrella skeleton includes a plurality sets of frame arranged around the middle tube and pivotably mounted on the notch and runner respectively. Each frame set includes a first rib, a second rib, a third rib, a stretcher and a first link.... | 09/17/1991 |
| 5048551 | Floating insect screen A floating insect screen for personal use on a pool or lake comprising a floating base member defining a large central opening to surround the user, relatively upright vertical members attached to said base member, and a mesh material attached between and... | 09/17/1991 |
| 5048552 | Universal trip valve operators and trip actuating seismic vibration sensors and transducers therefor A trip valve operator for actuating quarter turn valves comprises a return actuator, multi-stage leverage means for reducing the trigger load, a trigger, and one or more sensors or other trip actuators. The multi-stage leverage means comprises pivotally c... | 09/17/1991 |
| 5048553 | Relief valve with overturn surge control for storage tank A tank valve apparatus including a sealed piston assembly for regulating movement of a spring biased poppet, the poppet being in cooperative engagement with the sealed piston assembly and a valve seat of an associated valve opening, the valve opening bein... | 09/17/1991 |
| 5048554 | Valve for a gas cylinder The valve has an outlet safety channel (20) closed by a burstable diaphragm (26) wedged between the body (10) of the valve and a plug (24) fitted detachably in the body (10) of the valve, the said plug (24) comprising an axial passage (28) in communicatio... | 09/17/1991 |
| 5048555 | Process and apparatus for protecting and supporting a seal of a valve A process and a device are useful for protecting and supporting a seal in a valve arrangement. The device comprises a closure member designed as a slide gate having a translational or rotational movement, a seat region of the valve housing parts correspon... | 09/17/1991 |
| 5048556 | Transom-mounted valve with remote actuator The transom-mounted valve includes a valve sleeve disposed in the drain port of a boat transom and carrying a valve stem for axial movement. The valve stem includes a valve head movable with the stem between valve-open and valve-closed positions. A cap is... | 09/17/1991 |
| 5048557 | Main valve and seat for use in filling containers to a predetermined level An improved apparatus used in a system for filling containers with a required liquid to a predetermined level are disclosed. The apparatus includes an improved main valve means for controlling the flow of liquid through the apparatus and into the containe... | 09/17/1991 |
| 5048558 | Valve seat and method of repair A valve seat for a valve used with a treater tank comprising a body having a generally cylindrical bore threthrough, the body having a first end, a second end and being made of metal, the first end having a counterbore concentric with the cylindrical bore... | 09/17/1991 |
| 5048559 | Valve and apparatus using said valve A valve comprising a rigid tube in which a flexible tube is situated with the two ends of the flexible tube being connected in sealed manner to the ends of the rigid tube, a control orifice being provided through the wall of the rigid tube in the vicinity... | 09/17/1991 |
| 5048560 | Sealing valve assembly A valve assembly, particularly a breather valve assembly for fluid storage tanks, is described. This assembly comprises a valve housing including a fluid conduit and a valve seat defining a fluid outlet of the fluid conduit, and a pressure pallet sized an... | 09/17/1991 |
| 5048561 | Bidirectional check valve A bidirectional check valve that includes a housing having an internal cavity with fluid openings at axially opposed ends. A first valve element comprises a cup-shaped sleeve having a base adjacent to one axial end of the cavity and a sidewall axially sli... | 09/17/1991 |
