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| Number | Title | Issue Date |
| 4534542 | Suction control device for aspirator system A suction control device for an aspirator system includes a generally T-shaped body having a main lumen and a passage which extends outwardly from the lumen to the exterior of the body through a vent or chimney portion of the body, and a resiliently defor... | 08/13/1985 |
| 4527588 | Safety valve A safety valve in combination with a resilient tube for preventing the free flow of fluid through the resilient tube comprises a valve body which is connected to a valve head of generally circular cross-section which is formed with a flat peripheral land.... | 07/09/1985 |
| 4475566 | Press taps A tap operated by a push button which acts to open a valve member which is biassed to the closed position, the valve member being for normal operation of the tap; also operated by the push button is a seal piercing means which pierces a diaphragm in or ad... | 10/09/1984 |
| 4471807 | Press taps A tap operated by a push button which acts to open a valve member which is biassed to the closed position, the valve member being for normal operation of the tap; also operated by the push button, but only on initial operation of the push button, is a plu... | 09/18/1984 |
| 4456223 | Flow control apparatus A device including a valving mechanism which can be operated by one hand, the device includes a housing which surrounds a resilient block of material. The housing may be squeezed to depress and deform the resilient block. Passageways extend through the re... | 06/26/1984 |
| 4452425 | Plastic diaphragm tap A tap comprising a tubular body open at one end and closed at the other end by a flexible resilient diaphragm. The diaphragm is connected to a valve element arranged to close a valve seat at said one end of the body. The body of the tap is made of a mater... | 06/05/1984 |
| 4426062 | Fluid flow control valves A duck bill valve used to control fluid flow is contained in a sleeve whose wall is apertured to permit the application to the flaps of the valve of radial pressure to open the valve and permit fluid flow. A button located on the sleeve is provided to ena... | 01/17/1984 |
| 4397442 | In-line sleeve valve An improved in-line sleeve valve comprises a modular tubular port having a stationary plug concentrically supported therein and a reciprocating tubular sleeve arranged for sealing against the stationary plug. A resilient, flexible flange connects the tubu... | 08/09/1983 |
| 4366836 | Valved vent for a liquid drainage system A valved vent for a liquid drainage system comprising, a receptacle having a chamber to receive liquid, and a filter pervious to air and substantially impervious to the passage of bacteria, with the filter communicating with the atmosphere. The vent has a... | 01/04/1983 |
| 4354660 | In-line flow control clamp A fluid flow control clamp for in-line insertion on flexible fluid tubing is disclosed. A flow-directing member (10) is positioned intermediate a source of sterilized water or other fluid and a medical humidifier. A blocking element (20) is provided withi... | 10/19/1982 |
| 4340049 | Breakaway valve A frangible or breakaway valve for use in a flexible tube. The valve comprises two parts: a tubular portion with a closed end and an elongated, generally rigid handle breakably attached to the closed end. The elongated handle has projections which frictio... | 07/20/1982 |
| 4300571 | Constant flush device A blood pressure monitoring system in which an intravascular catheter is connected through flexible tubing to a transducer. The tubing between the catheter and the transducer is filled with physiological solution supplied from a bag under pressure of appr... | 11/17/1981 |
| 4287889 | Suction catheter having a non-stressed vacuum regulator A suction catheter having a vacuum regulator is useful in withdrawing and eliminating undesirable or unwanted fluids from the body. The catheter, which is essentially tubular in shape, has a longitudinal bore extending through its length and is open ended... | 09/08/1981 |
| 4270534 | Frangible valve assembly for blood bags and the like Frangible valve means within a flexible tube. The valve means comprises a tubular portion having closed ends, and an elongated, generally rigid member carried on the exterior of the closed end and positioned within the flexible tube. Frangible means are p... | 06/02/1981 |
| 4267835 | Medical flushing valve A valve for an arterial monitoring set which continuously supplies a small flow of parenteral liquid, such as normal saline, into a patient's artery while arterial pressure is being continuously monitored. The valve has a flow restrictor providing a norma... | 05/19/1981 |
| 4267834 | System for flushing a medical fluid A system for continuously administering parenteral liquid, such as normal saline, to a patient while blood pressure fluctuations are continuously monitored. The system includes a flushing valve with a manually squeezable and distortable elastic tube surro... | 05/19/1981 |
| 4265428 | Connection device for providing selective fluid communication between first and second conduits A connection device for connection to first and second fluid conduits for providing selective fluid communication between the two conduits. The connection device comprises a first member having first and second open ends and a fluid passageway therebetwee... | 05/05/1981 |
| 4181140 | Frangible resealable closure for a flexible tube having hold open means Valve means in a flexible tube, for example, tubing for connecting blood bags, are provided, which comprises a tubular portion having a closed end, and an elongated, generally rigid member, carried on the exterior of the closed end and positioned within t... | 01/01/1980 |
| 4142518 | Sphygmomanometer pressure releasing means A sphygmomanometer pressure release means, i.e. a means for releasing the pressure in the pneumatic cuff thereof by simple bending pressure applied to the tubing extending from the "squeeze" bulb to the pneumatic cuff and at a point along the tubing adjac... | 03/06/1979 |
| 4142645 | Vacuum sealing closure lid for home canning operations A closure for food containers embodying an open-ended resilient tubular elastomeric nipple adapted for connection to a source of vacuum so that air within the container may be evacuated prior to storage of the container and its contents. The nipple is pro... | 03/06/1979 |
| 4136694 | Separable integral donor tube utilizing an integral plastic member with tube clamp A blood tube communicating with a blood bag includes means for parting the blood tube, and exposing an internally mounted needle carried by and communicating with the blood tube for penetrating a closure of a sample tube. In accordance with this invention... | 01/30/1979 |
| 4117859 | Valve A valve with a tubular valve body having two axially deformable bellows disposed between two flanges and flanking an annular seat which is movable axially of the body to thereby change the effective cross-sectional area of an annular passage between its i... | 10/03/1978 |
| 4106675 | Liquid sampling device A liquid sampling device having, a tubular section of flexible material having a wall defining a lumen for passage of liquid. The device has a flow control element including a rigid valve member positioned in the lumen of the tubular section, with the val... | 08/15/1978 |
| 4102342 | Valved device A fluid such as air is tightly enclosed in a chamber which serves to plug an organic passage such as a person's nasal cavity. The fluid is supplied into the chamber through a tube so as elastically to expand the chamber and thereafter is discharged throug... | 07/25/1978 |
| 4097020 | Plant-watering device Mounted adjacent the end of a plastic hose remote from its connection to a kitchen sink faucet or other such water source is an improved hose-pinching clamp assembly of the present invention which enables effective watering of remotely located plants. The... | 06/27/1978 |
| 4081176 | Valve for an oral evacuator system A specific embodiment provides a valve structure for an evacuator system adapted to be connected to a source of negative pressure. The valve structure includes an elongated housing having a longitudinal bore extending through the housing, and a valve seat... | 03/28/1978 |
| 4080965 | In-line cannula valve assembly An in-line cannula valve assembly for controlling flow through a conduit, comprising a housing, including a collapsible housing part having a flexible wall, joined to a relatively rigid housing part. A first fluid passage in the relatively rigid housing p... | 03/28/1978 |
| 4079744 | Drain valve This invention relates to a drain valve and is particularly adapted for draining water or other liquid from the bowl of a filter for pneumatic systems. The valve includes a bendable tubular body of flexible material and there is a poppet for normally clos... | 03/21/1978 |
| 4073316 | Flexible flow diverter A flow device for interaction with a fluid stream to control its direction comprises a conduit system which includes a cavity in communication with an inlet for the stream and at least one outlet for the stream. Controllable flexible means co-operative wi... | 02/14/1978 |
| 4065093 | Flow control device A flow control device for a fluid flow system includes a conduit having a cylindrical insert member disposed within. The insert member includes an axially-extending depression, and a flow bypass channel of progressively increasing cross-section within the... | 12/27/1977 |
| 4056116 | Valve for interconnecting sterile containers and the like A sealed fluid conduit, closed with a diaphragm, contains a spike having forward and rear ends and adapted for moving to rupture the diaphragm with the forward end. A transversely-enlarged, flexible, axially collapsible portion of the conduit is positione... | 11/01/1977 |
| 3985140 | Dual pressure valve for use in ventricular shunt system The dual pressure valve assembly disclosed herein is adapted for use in a ventricular shunt system and comprises a housing enclosing a pair of one-way, pressure biased valves. One of the valves is fixed in place and the second valve is adapted for shiftin... | 10/12/1976 |
| 3980110 | Flow metering device A device for metering the flow of a fluid, such as a lubricating medium, at a controlled rate. The fluid is stored within a reservoir having a resiliently expandable wall which maintains the fluid under pressure. A transparent cover is provided for visual... | 09/14/1976 |
| 3977409 | Tube valve A tube valve for use in a catheter tube, the valve having two bodies inserted in the tube, the bodies filling the cross-sectional area of the tube. Each of the bodies is provided with at least one through opening which, in the closed position of the valve... | 08/31/1976 |
| 3972452 | Dispenser closure The invention relates to a dispenser closure formed of elastomeric material which is suitable for fitting to the discharge spout of a liquid container formed of a flexible film material such as polyethylene film and housed in a cardboard casing. The closu... | 08/03/1976 |
| 3971541 | Manually operable self-closing valve A valve having two body members and elastic means connected therebetween to normally bias the valve into the closed condition. The valve is opened by pulling one body member away from the other, and it closes automatically upon release. Biasing spring mea... | 07/27/1976 |
| 3965925 | Pinch valve A pinch valve has a tubular resilient sleeve with at least one transversely elongate aperture extending through it that is opened and closed by a control member having elements engaging diametrically opposite regions of the sleeve. The control member is r... | 06/29/1976 |
| 3945380 | Plasmapheresis assembly The plasmapheresis assembly includes a novel Y connector valving structure to replace conventional tube clamps. This valving structure eliminates dead spaces for blood to collect and clot and provides a fluid tight seal during heat sterilization without c... | 03/23/1976 |
