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| Number | Title | Issue Date |
| 7404807 | Pediatric nasal gastric vent tube To alleviate the spillage of formula from a nasal-gastric tube, a small (5 cc size) constant diameter barrel having a side arm is inserted into the N-G tube. The equal sized open ends of the barrel are closed with a membrane that allows air to pass through but is im... | 07/29/2008 |
| 7357798 | Systems and methods for electrosurgical prevention of disc herniations The present invention provides systems and methods for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. The present invention applies high frequency (RF) electrical energy to one or more... | 04/15/2008 |
| 7331956 | Methods and apparatus for treating back pain Apparatus and methods for treating back pain of a patient by denervation of an intervertebral disc or a region of the posterior longitudinal ligament by the controlled application of heat to a target tissue. In one embodiment, the invention may include a procedure c... | 02/19/2008 |
| 7331957 | Electrosurgical apparatus and methods for laparoscopy Electrosurgical methods and apparatus for treating tissue at a target site of a patient. An electrosurgical instrument includes a shaft, having a shaft distal end and a shaft proximal end, and an electrode assembly disposed at the shaft distal end. The electrode ass... | 02/19/2008 |
| 7318823 | Methods for repairing damaged intervertebral discs Apparatus and methods for treating an intervertebral disc by ablation of disc tissue. A method of the invention includes positioning at least one active electrode within the intervertebral disc, and applying at least a first high frequency voltage between the active... | 01/15/2008 |
| 7270658 | Systems and methods for electrosurgery Methods and apparatus for selectively applying electrical energy to a target location within a patient's body, particularly including tissue in the spine. In a method of the invention high frequency (RF) electrical energy is applied to one or more active electrodes ... | 09/18/2007 |
| 7270661 | Electrosurgical apparatus and methods for treatment and removal of tissue Apparatus and methods for ablating, severing, cutting, shrinking, coagulating, or otherwise modifying a target tissue to be treated. In a method for treating a target tissue, an active electrode of an electrosurgical probe is positioned in at least close proximity t... | 09/18/2007 |
| 7258712 | Smoke evacuation system A smoke evacuating system for use during surgical procedures, particularly minimally invasive procedures involving the use of a laser or cautery at a surgical site having an associated higher than ambient pressure, wherein the system includes a filter with a site si... | 08/21/2007 |
| 7226423 | Aspiration needle with venting feature An aspirating needle for collecting a specimen including an elongated hollow body that includes a first lumen portion and a second lumen portion. The first lumen portion is open at both ends for placement at a specimen site to collect and permit aspiration of the sp... | 06/05/2007 |
| 7226441 | Catheter with block-overriding system A catheter is provided having a plurality of fluid entry ports formed therein and in communication with an inner lumen of the catheter. One or more of the fluid entry ports includes a fluid-permeable barrier extending there across. In a preferred embodiment, a set o... | 06/05/2007 |
| 7207950 | Aspiration needle with venting feature An aspirating needle for collecting a specimen including an elongated hollow body that includes a first lumen portion and a second lumen portion. The first lumen portion is open at both ends for placement at a specimen site to collect and permit aspiration of the sp... | 04/24/2007 |
| 7175612 | Suction limiting device with variable control A suction limiting device with variable control for use in a surgical system includes a main vent body having a fluid carrying bore extending therethrough and a variable vent mechanism having a main vent opening in selective fluid communication with the fluid carryi... | 02/13/2007 |
| 7156836 | Cannula assembly A double cannula assembly for medical or veterinary use includes a first cannula (10) for insertion into a blood vessel in a conventional manner. This first cannula is an outer cannula and a second or inner cannula (12) is subsequently inserted through... | 01/02/2007 |
| 7029465 | Filter ampoule system The present invention presents a novel ampoule filtration system, and novel methods and devices for using the system to deliver multi-doses of a sterile solution of a therapeutic agent to a subject. The ampoule filtration system includes a sterile filter cartridge a... | 04/18/2006 |
| 7025755 | Medical suctioning apparatus and methods of use A medical fluid suctioning device for selectively applying varied levels of suction pressure at a device-tissue interface includes a direct “trumpet”-type control mechanism in conjunction with a “venturi”-type control. A valve manifold is adapted to couple a... | 04/11/2006 |
| 6979339 | Medico-surgical instruments The rear end of a dual lumen oocyte recovery needle is sealed in a plastics hub by means of two polyurethane seals compressed between the outside of the needle and opposite ends of a bore through the hub. The needle has an outer tube and an inner tube with a suction... | 12/27/2005 |
| 6951555 | Catheter having integral expandable/collapsible lumen A catheter and method of use may include an aortic balloon catheter having an integral expandable/collapsible lumen. The catheter comprises a main catheter body having a either a single or a plurality of lumens extending therethrough, and further includes an expanda... | 10/04/2005 |
| 6723065 | Intraocular surgical apparatus An intraocular surgical apparatus including an introduction tube for introducing perfusate into a closed intraocular affected part, a discharge tube for discharging the affected part and the perfusate, a perfusate feed passage connected to the introduction tube and ... | 04/20/2004 |
| 6689090 | Perfusion apparatus and methods for pharmaceutical delivery The instant invention provides for apparatus and methods for the efficient administration of pharmaceuticals to target cells, tissues and/or organs, for a variety of functional uses.... | 02/10/2004 |
| 6471667 | Medical suctioning methods A medical fluid suctioning device for selectively applying varied levels of suction pressure at a device-tissue interface includes a direct "trumpet"-type control mechanism in conjunction with a "venturi"-type control. A valve manifold is adapted to coupl... | 10/29/2002 |
| 5724986 | Casing and spirometer for metered dose inhaler An apparatus for dispensing a metered amount of aerosolized medication and/or for measuring breathing function includes a casing that defines a cavity, a first or discharge opening from which a subject inhales from the cavity or exhales into the cavity, a... | 03/10/1998 |
| 5674196 | Device for introducing medical fluid into the human ear A device is provided for administering medical fluid to at least one of the ear canal and the ear drum of a human ear. The device includes an earplug adapted to fit in the ear such that at least a portion of the earplug is snugly received in and substanti... | 10/07/1997 |
| 5660796 | Septum piercer and sample extractor for physiological specimens A septum piercer and sample extractor for removing a sample from a specimen contained in a container closed by a penetrable septum, a needle having a body with a sharp closed point on its first end. The needle extends axially and contains a first channel ... | 08/26/1997 |
| 5441482 | Jet driven surgical suction device and method of using A probe for use in collecting liquids entrained with a gaseous component, particularly collecting a patient's blood with entrained gas bubbles from a surgical site for autologous reinfusion. The probe separates the gaseous component from the collected liq... | 08/15/1995 |
| 5417664 | Reflux containment device for nasogastric tubes A double lumen nasogastric tube possesses a hydrophobic filter at the proximal end of the sump lumen for inhibiting reflux from exiting the sump lumen and contaminating the patient, clinician and nearby surroundings.... | 05/23/1995 |
| 5318530 | Gastrointestinal tube with inflatable bolus An intestinal catheter is inserted into the gastrointestinal tract by use of an endoscope or a guidewire in combination with an inflatable bolus and performs the functions of aspirating the stomach and feeding the small intestine. The inflatable bolus may... | 06/07/1994 |
| 5314409 | Catheter for esophageal perfusion An esophageal perfusion catheter, having an outer housing, a plurality of flexible, tubular channel members within said outer housing, and at least two spaced balloon members encompassing said catheter. Two of the channel members are in fluid communicatio... | 05/24/1994 |
| 5300022 | Urinary catheter and bladder irrigation system An improvement over the Foley catheter which provides, in addition to the main drainage lumen, a central smaller lumen for continuous delivery of a small quantity of sterile irrigating solution directly through the distal tip into the bladder. A larger po... | 04/05/1994 |
| 5279549 | Closed ventilation and suction catheter system A closed ventilation and suction catheter system for aspirating or suctioning the bronchial tree or trachea of a patient including a dual lumen catheter, the proximal end of the catheter is connected to a dual valve assembly which is connected to separate... | 01/18/1994 |
| 5273523 | Gastric tube with fluid injection adaptor A double lumen gastric tube including a valve to prevent gastric reflux or leakage through the vent lumen thereof. The gastric tube also includes an adaptor which allows fluid injection through the tube without removing the valve. The valve allows the pas... | 12/28/1993 |
| 5273751 | Composition for preventing clouding of paosterior capsule after extracapsular cataract eye surgery and method of performing cataract surgery The present invention relates to compositions for killing undifferentiated epithelial cells during cataract surgery on an eye to prevent posterior capsule clouding after the surgery and to a method for performing cataract surgery on an eye including injec... | 12/28/1993 |
| 5120305 | Method and apparatus for delivering or withdrawing fluids A method and apparatus is provided for delivering and/or withdrawing fluids. For example, blood may be salvaged from a body cavity of a patient, in which a wand is provided having separate conduits for fluids. Means, for example a valve, is provided for o... | 06/09/1992 |
| 5108364 | Monitoring catheter for medical use A monitoring catheter for medical use characterized by a main tube for discharge path of body fluids, etc.; a first auxiliary tube for air flow which surrounds the main tube and is provided within the wall; a second auxiliary tube or a third auxiliary tub... | 04/28/1992 |
| 5024615 | Surgical aspiration device Surgical aspiration device for use in surgical operations, whereby the aspiration device is intended for use in atraumatic aspiration, tissue aspiration and disection. The surgical aspiration device comprises a handle with an inner tube and an outer tube ... | 06/18/1991 |
| 4900314 | Collapse-resistant tubing for medical use A collapse-resistant catheter adapted for medical usage includes a central tube having a smooth outer wall rather than a corrugated outer wall characteristic of prior art collapse-resistant catheters. The tube includes an integral, spiral-shaped outer tub... | 02/13/1990 |
| 4888004 | Method and apparatus for purging tubing network of blood processing system Method and apparatus for purging air from a tubing network finds particular utility as a component part of a blood constituent processing system. Collection and return needles of a disposable tubing network are initially contained within a common antisept... | 12/19/1989 |
| 4850371 | Novel endotracheal tube and mass spectrometer A non-invasive apparatus for continuously measuring the cardiac output and cardio-respiratory function includes a gas sampling device which is inserted into the mouth of a human subject. The gas sampling device may be a disposable endotracheal tube or a s... | 07/25/1989 |
| 4850393 | All-plastic check valve An all-plastic check valve is incorporated into a molded plastic surgical or medical device. A tubular arm of the device serves as a barrel of the one-way check valve and has a unitarily molded seat or sealing ring and a plurality of protuberances or keep... | 07/25/1989 |
| 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 |
| 4813926 | Medical suction device with air vent and fixed restrictor A fine tip hand-held medical suction device is provided having a vent orifice in the sidewall of the tip remote from the suction orifice of the tip and the hand holding portion of the device to regulate the negative pressure at the suction orifice. A flui... | 03/21/1989 |
