Bizarre Patents
A method to tenderize meat with an explosive shockwave.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5112301 | Bidirectional check valve catheter A valved catheter is disclosed having an elongated, flexible tubular element defining a lumen extending along an axis substantially parallel to the central axis of the tubular element, and a bidirectional check valve assembly near its distal end which con... | 05/12/1992 |
| 5106367 | Eye surgery apparatus with vacuum surge suppressor Collapse of the cornea into the cavity formed when material such as the lens is removed from an eye in the irrigation-aspiration method is minimized by incorporating a pressure responsive, variable flow resistance element in the aspiration line of the irr... | 04/21/1992 |
| 5106366 | Medical fluid cassette and control system There is provided a medical fluid cassette made of thermoformed plastic material which cooperates with a medical control unit having retaining structure cooperable with the cassette to assist in controlling the flow of fluid through tubing associated with... | 04/21/1992 |
| 5100377 | Medical evacuation and irrigation device An apparatus for selectively providing irrigation or evacuation to a patient during surgery which includes valve arrangements to prevent reflux of fluid and the drawing of irrigation fluid from a reservoir in the event the patient line becomes blocked.... | 03/31/1992 |
| 5098377 | Multimodal displacement pump and dissolution system for same Disclosed is a pneumatically-driven volume controlled bellows pump apparatus for oscillating liquid into a localized area of the human body, preferably methyl-tertiary butyl ether or another solvent, into the gallbladder. The pump includes a fluid reservo... | 03/24/1992 |
| 5069661 | Circulatory support system A low-pressure, low blood trauma hemodynamic support system is disclosed. The system may operate as a relatively static-volume, gravity-fed, extracorporeal blood circulation and oxygenation system that consists essentially of (1) a membrane-type blood oxy... | 12/03/1991 |
| 5053002 | Irrigation system for angioscope An angioscope has irrigation system with at least two presettable irrigant flow rates. A footswitch under manual control is operatively connected to a roller pump for switching from a high first flow rate to a low second flow rate. Upon an initial filling... | 10/01/1991 |
| 5045053 | Device for recovering a tissue sample or tissue fluid In a device for the recovery of a tissue sample, tissue fluid or similar, which is detached and/or aspirated by a surgical instrument, tubing is provided between the surgical instrument and a collecting device. A vacuum-producing apparatus is assigned to ... | 09/03/1991 |
| 5034000 | Medical evacuation and irrigation device An apparatus for selectively providing irrigation or evacuation to a patient during surgery which includes valve arrangements to prevent reflux of fluid and the drawing of irrigation fluid from a reservoir in the event the patient line becomes blocked.... | 07/23/1991 |
| 5009635 | Pump apparatus A pump apparatus such as a stomach pump or the like having a variable volume pumping chamber in the form of a resiliently flexible bulb with a one way flow check valve disposed within the bulb to preclude backflow therefrom, and a second check valve downs... | 04/23/1991 |
| 5006997 | Pump diagnostic system A method and apparatus to evaluate the performance of an implanted medication delivery device such as pumps and ports is described. In the case of a pump, the system measures ambient pressure and obtains two pressure measurements from the implanted device... | 04/09/1991 |
| 5002528 | Percutaneous irrigation and drainage system A closed system for percutaneous irrigation and drainage of cavities containing abscesses, sterile fluid collections or hematomas includes an irrigant reservoir; an irrigation tube connects the reservoir to a first port of a first three-ported connector a... | 03/26/1991 |
| 4957483 | Sterilizable syringe A sterilizable medical/dental syringe having a handle with a nozzle at one end is provided with means for releasably coupling the other end of the handle to a flexible supply hoses providing compressible gases and/or noncompressible liquids. When disconne... | 09/18/1990 |
| 4940457 | Irrigation system for use during arthroscopy An irrigation system for arthroscopy of a joint includes a high pressure bleed valve assembly and a monitor check valve assembly to control fluid communication to the joint via suitable tubing for the purposes of directing fluid inflow, joint fluid pressu... | 07/10/1990 |
| 4935005 | Opthalmic fluid flow control system A fluid flow control apparatus specially adapted for use with an ultrasonic surgical tool which provides for irrigation of a surgical site and for aspirating fluid from the site comprises a source of irrigation fluid, comprises an irrigation fluid conduit... | 06/19/1990 |
| 4909783 | Intra-ocular pressure apparatus An apparatus for maintaining intra-ocular pressure while simultaneously removing and replacing fluid in a patient's eye, for example, during cataract surgery, includes a pair of cooperating expansible bodies connected via fluid conduits to the eye. The ex... | 03/20/1990 |
| 4900302 | Surgical irrigation/aspiration set-up kit A set-up kit for surgical irrigation/aspiration equipment includes an irrigation tube and a suction aspiration tube for operative connection to an irrigation/aspiration machine. The aspiration tube is releasably connected to a hexagonally-shaped nozzle me... | 02/13/1990 |
| 4895144 | Supply system for sterile fluids and gases in laser surgery A fluid supply system for gas and sterile liquids consisting of a disposable sterile cartridge that is connected to gas and liquid sources and a common exhaust. The cartridge cooperates with a rotating bearing assembly which pumps the liquid through the s... | 01/23/1990 |
| 4893634 | Device for cleansing measuring pressure in the colon A device for cleansing the colon includes an elastic housing with an oval-shaped end and provided with an aspiration channel and a discharge channel isolated from each other, each channel having its own outlet port in the end of the housing. An endoscope ... | 01/16/1990 |
| 4857047 | Finger operated vacuum bypass suction handpiece/holder apparatus for ocular cortex aspiration and refluxing A novel finger-actuated bypass holder apparatus for ocular cortex fluid aspiration and refluxing and the like, in which the vacuum or suction is normally bypassed through an aperture in the holder which the surgeon may, at will, occlude or open with the f... | 08/15/1989 |
| 4846787 | Apparatus for preventing back-flow of fluid in a blood filtering system A blood filtering system includes a check valve for preventing fluid back-flow, coupled between a peristaltic pump and a pressure equalizer, the valve including a tubular container having an inlet and an outlet, two elongated plastic films in the containe... | 07/11/1989 |
| 4842580 | Colonic irrigator A gravity supplied irrigator for colon cleansing has an open ended nozzle with the inner end tapered to accommodate a removable rounded nose obturator extending from the inner end with the body of the round nose obturator bearing against the inner surface... | 06/27/1989 |
| 4832685 | Fluid flow control system and connecting fitting therefor A fluid flow control apparatus specially adapted for use with an ultrasonic surgical tool which provides for irrigation of a surgical site and for aspirating fluid from the site comprises a source of irrigation fluid, comprises an irrigation fluid conduit... | 05/23/1989 |
| 4820265 | Tubing set A tubing set, the major portions of which are defined from a trilumen section of tubing, comprises three lines including an inflow line, an outflow line and a pressure sensing line. The inflow line includes a header portion engageable about the rollers of... | 04/11/1989 |
| 4807170 | Drug dose rate calculator A drug dosage calculation system includes a hand held, battery operated computing device for use by nurses and other clinical personnel to make calculations pertaining to the drug administration rate and the corresponding flow rate settings of IV systems ... | 02/21/1989 |
| 4798580 | Disposable peristaltic pump cassette system A microsurgical irrigation/aspiration system is provided, including a controller having a pump roller head, actuators for occluding tubing, a suction sensor, and apparatus for mounting a pump cassette. The system cassette is suitable for mounting on the c... | 01/17/1989 |
| 4795424 | Apparatus for controlled irrigation of the natural cavities and tubes of the human body The invention concerns an apparatus for controlled irrigation of the natural cavities and tubes of the human body. It is characterized in that it includes correcting means for equalizing the measuring signal which represents the pressure and which is emit... | 01/03/1989 |
| 4784737 | Electromicroinjection of particles into living cells Method and apparatus for introducing particles into living cells. Fluorescently-stained human chromosomes are introduced into cultured, mitotic Chinese hamster cells using electromicroinjection. The recipient cells frequently survived the physiological pe... | 11/15/1988 |
| 4722727 | Flexible container A plug is provided within a port in a flexible container. Extending from the port is a piece of flexible tubing which is used to connect with other tubing in a fluid system. Fluid is dispensed from the flexible container by grasping the end of the plug ex... | 02/02/1988 |
| 4714464 | Mechanism for coupling the aspirant line of an irrigation/aspiration machine to the pressure monitoring section A linking mechanism for irrigation/aspiration machines which includes a coupling member having a plug that is inserted into an opening in a receptacle on the face of the I/A machine. The plug projection is sealed in air tight relation to the wall surround... | 12/22/1987 |
| 4713051 | Cassette for surgical irrigation and aspiration and sterile package therefor A cassette is structurally adapted to receive at least a portion of an irrigation manifold and an aspiration manifold, so that when the cassette is firmly secured to a cassette mechanism on an emulsifier/aspirator unit: (1) the flow to irrigation solution... | 12/15/1987 |
| 4705500 | Ophthalmic aspirator-irrigator An ophthalmic aspirator-irrigator system for use during cataract surgery is disclosed. The system frees both hands of the surgeon for the surgical tasks and leaves the automatic operation of the system to a single control input operated by a foot pedal. T... | 11/10/1987 |
| 4668215 | Irrigator-evacuator control for surgical procedures This invention provides an automatic irrigation and evacuation device for use in laparoscopic procedures and surgery. The device comprises a means for directing a flow of liquid and, alternatively, applying a vacuum, through a single line. In the preferre... | 05/26/1987 |
| 4655197 | Lavage system with variable frequency, flow rate and pressure A mechanism, such as a motor driving a pump, creates a pulsating fluid flow. There is a control for varying the pulsation frequency independently of the fluid pressure or rate of flow. Another control varies the pressure or rate of fluid flow independentl... | 04/07/1987 |
| 4650461 | Extracapasular cortex irrigation and extraction In the surgical art of extracapsular cataract extraction, the lens capsule of the eye is irrigated and aspirated for cortex removal through use of a simple, inexpensive system of circulation of an irrigating solution, accompanied by automatic filtering of... | 03/17/1987 |
| 4650458 | Apparatus for the measurement of fluid flow Apparatus is disclosed for the measurement and replacement of physiological fluids including a meter for measuring the amount of a physiological fluid flowing through the meter, a first conduit for continuously delivering the physiological fluid to the me... | 03/17/1987 |
| 4650462 | Irrigation system An irrigation system for use in arthroscopic surgery including a variable RPM pump for introducing irrigation fluid from a fluid supply to a body irrigation site, a pressure control valve in the outflow from the irrigation site, a pressure sensor and asso... | 03/17/1987 |
| 4604089 | Pressure regulated irrigation system for arthroscopy A pressure regulated system for an irrigation system including a reservoir of irrigation fluid, a pump, catheters for providing access to and egress from the irrigation site and a pressure regulation circuit, all connected in series with one another. The ... | 08/05/1986 |
| 4601702 | Volumetric infusion actuator A volumetric infusion actuator providing a slot means for receiving a valved cassette having exposed valve pads. An actuation means for automatically moving individual arms into and out of engagement with the valve pads according to a predetermined cycle ... | 07/22/1986 |
| 4589171 | Device for holding and positioning tubing of I.V. administration set Device for holding and positioning plastic tubing of an intravenous fluid administration set. Device comprises a generally flat, foldable, elongate structure having two outwardly extending arms connected via an intermediate flexible portion having on oppo... | 05/20/1986 |
