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Class 604/33 - Slide or reciprocating valve


Subclass of Class 604 - Surgery
Definition: Subject matter including a longitudinally movable element
No. of patents: 151
Last issue date: 08/03/2010


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NumberTitleIssue Date
7766859Self-occluding catheter
A self-occluding catheter includes a body portion for connection to extracorporeal equipment. An elongated tubular extension is provided for insertion into a body cavity. The body portion includes a resiliently biased spool supported therein which is slidable betwee...
08/03/2010
7569028Fluid flow adjustment mechanism
A fine flow pinch adjust has a T shaped fluid communication path. A flexible tube is inserted within the fluid communication path in other than a straight path. A screw is inserted in one branch of the T unoccupied by the flexible tubing such that the screw cooperat...
08/04/2009
7367959Device for cardiocirculatory assistance
A device for cardiocirculatory assistance, also named a ventricular assist device, includes a haematic pump (50) with a pump body (7) having an inner space (21) defined by a rigid structure (51) and a pair of mobile membranes (16, 17
05/06/2008
7331956Methods 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
7331785Self cleaning dental mirror
A self cleaning dental mirror having air orifices and water orifices integrated into the handle to clean the reflective surface. An air valve and a water valve are positioned within the handle and are operated by depressing appropriately positioned pushbuttons. The ...
02/19/2008
7329234Self-occluding catheter
A self-occluding catheter includes a body portion for connection to extracorporeal equipment. An elongated tubular extension is provided for insertion into a body cavity. The body portion includes a resiliently biased spool supported therein which is slidable betwee...
02/12/2008
7318814Medical suction valve
A valve assembly includes a housing defining an aperture, a passageway, and a branch passage. The branch passage extends from the aperture and intersects and communicates with the passageway. The branch passage is disposed at an angle greater than 90 degrees with re...
01/15/2008
7300430Multi-lumen catheter with attachable hub
The present invention is a multi-lumen catheter assembly having a selectively attachable hub including a multi-lumen catheter tube that has a proximal portion and a distal portion and a hub assembly that has a proximal portion and a distal portion, whereby the dista...
11/27/2007
7297132Shape memory shutter device
A shape memory shutter device for controlling the rectum of a disabled person, comprises a section of conduit to be connected to the rectum of the disabled person, and a shutter which controls the passage through the conduit section and actuated by a shape memory ac...
11/20/2007
7294278Method for oxygenating wastewater
A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo...
11/13/2007
7270659Methods for electrosurgical treatment of spinal tissue
Systems, apparatus, and methods for treating spinal tissue and other body structures in open and endoscopic spine surgery to relieve symptoms, such as neck or back pain. In particular, the present invention provides methods for the controlled heating of various tiss...
09/18/2007
7270658Systems 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
7258712Smoke 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
7252649Implantable vascular access device
An implantable vascular access device includes a housing having an inlet, an outlet, an interior chamber defined therein and a valve positioned between the inlet and the interior chamber. The valve is subcutaneously manipulated between an open position, in which flu...
08/07/2007
7241293Electrode screen enhanced electrosurgical apparatus and methods for ablating tissue
Electrosurgical methods and apparatus for the controlled ablation of tissue from a target site of a patient. The instrument includes a shaft having proximal and distal end portion and an active screen electrode on the distal end portion; a return electrode arranged ...
07/10/2007
7238165Fluid pump
A pumping system 10 provides a physiological pulsatile flow and includes controller 121, a pump drive head 50 coupled to a motor 12 and a fluid housing 52 having at least one port 60. The port 60 includes a ball valve...
07/03/2007
7235071Gas-assisted electrosurgical accessory connector and method with improved gas sealing and biasing for maintaining a gas tight seal
Male and female mating pieces of a gas-assisted electrosurgical accessory connector are connectable together by radially contacting a sealing surface formed on one mating piece with a resilient radially-compressible sealing member carried on the other mating piece. ...
06/26/2007
7228175Cardiac rhythm management systems and methods using acoustic contractility indicator
This document describes systems, devices, and methods that measure a distance between ultrasound or other acoustic transducers to provide a contractility or other therapy efficacy indication. In one example, the indication is communicated to a caregiver for assistin...
06/05/2007
7223253Blood aspiration system and methods of use
The present invention is directed to a blood aspiration system that is configured to enable various types of aspiration through a working lumen of a catheter. The blood aspiration system facilitates natural aspiration by providing a circuit between a patient's arter...
05/29/2007
7214216Drainage chamber for collecting body fluids, in particular liquor
A drainage chamber for collecting body fluids, in particular liquor, includes a collecting area limited by an outer wall for collecting the body fluid, an inlet connection linked to the collecting area for linking to a drainage catheter (an intraventricular catheter...
05/08/2007
7211074Valved catheter
A catheter apparatus is provided that includes a tubular body having a distal end. The body defines first and second lumens. The first lumen has a first adapter that includes a first valve biased to seal the proximal end. The first lumen defines a first lateral port...
05/01/2007
7179255Methods for targeted electrosurgery on contained herniated 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...
02/20/2007
7172579System and method for irrigation and tissue evacuation and collection
The present invention provides a system and method for irrigating and collecting tissue from a body cavity in a patient. The system includes an irrigation and collection device for injecting an irrigation fluid into the body cavity. The irrigation device injects flu...
02/06/2007
7169143Methods for electrosurgical tissue treatment in electrically conductive fluid
An electrosurgical probe comprises a shaft having at least one electrode terminal at its distal end and a connector at its proximal end. The electrode terminal may be spaced from a return electrode such that when the electrode terminal is brought adjacent a tissue s...
01/30/2007
7160272Y-site medical valve
A medical valve includes a valve body having a central fluid passageway defined therein. A movable piston adapted in size and shape to be located within said central fluid passageway of said valve body. A sealing interface is defined between said movable piston and ...
01/09/2007
7137974Sterile connector
A sterile to sterile connection device comprising a connector and one or more coupling devices. The connector has body portion which has two openings sealed from the environment so as to form a sterile environment within the connector. At least one of the openings b...
11/21/2006
7131969Systems and methods for electrosurgical treatment of obstructive sleep disorders
The present invention provides systems and methods for selectively applying electrical energy to a target location within the head and neck of a patient's body, particularly including tissue in the ear, nose and throat. The present invention applies high frequency (...
11/07/2006
7128734Apparatus and method for reverse tunneling a multi-lumen catheter in a patient
An apparatus and method for tunneling a distal portion of a multilumen catheter tube in a patient is disclosed. The apparatus includes a connector having a distal end and a proximal end. The proximal end includes a first coupling portion for selective connection to ...
10/31/2006
RE39334Luer-receiving medical valve and fluid transfer method
A medical valve is provided that includes a housing having a main conduit and a branch extending from the main conduit and in fluid communication with it. The bore of the branch has an elastomeric septum piston disposed therewithin and at least a portion of the elas...
10/10/2006
7112199Multifunctional telescopic monopolar/bipolar surgical device and method therefore
A multifunctional telescopic monopolar/bipolar electrosurgery pencil is disclosed for use with an electrosurgery unit (ESU). The monopolar/bipolar electrosurgery pencil includes a bipolar electrode having an insulator sandwiched between an active electrode and a ret...
09/26/2006
7087036Fail safe system for operating medical fluid valves
A method, system and apparatus for performing peritoneal dialysis are provided. To this end, in part, a cam arrangement for operating a series of valves in cooperation with a pump that pumps fluid to and from a patient, the valves including a supply valve, a drain v...
08/08/2006
7083601Automatic fluid control system for use in open and laparoscopic laser surgery and electrosurgery and method therefor
A manual and automatic fluid control system and method for use in open and laparoscopic laser surgery and electrosurgery is disclosed. The system includes a manual mode along with several automatic modes which can effectuate both suction and irrigation, either indiv...
08/01/2006
7070596Electrosurgical apparatus having a curved distal section
Apparatus and methods for advancing and retracting a medical instrument within an introducer device, wherein the instrument includes a distal tip, a distal linear portion, a first distal curve, a substantially linear inter-curve portion, and a second proximal curve....
07/04/2006
7070578Surgical cassette latching mechanism
A surgical system having a cassette latching mechanism having two pivoting latching rails. The rails are connected to a rotating latching wheel by spring-loaded latching arms. The latching wheel is connected to a motor by a latching pushbar. The cassette is pressed ...
07/04/2006
7025755Medical 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
7008535Apparatus for oxygenating wastewater
A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo...
03/07/2006
7004931Proximal catheter assembly having a self-limiting aspiration valve
The present invention is directed to a proximal catheter assembly configured to facilitate natural or suction-assisted aspiration through a catheter lumen. The proximal catheter assembly comprises a multi-function valve configured to perform functions associated wit...
02/28/2006
7001333Surgical retractor system
The present invention provides an improved surgical retractor system useful for holding tissue away from a surgical site during a medical or dental procedure. In one embodiment, the surgical retractor system is comprised of a tubular member, such as a cannula, and a...
02/21/2006
6978783Manifold
The invention relates to a manifold (100) for a closed system (1) for endotracheal ventilation and aspiration of a patient, having a first section (115) and a second section (145), an opening (112) configured for allowing influx of...
12/27/2005
6974453Dual mode electrosurgical clamping probe and related methods
The present invention provides systems, apparatus and methods for selectively applying electrical energy to body tissue in order to ablate, contract, coagulate, or otherwise modify a target tissue or organ of a patients. An electrosurgical apparatus of the invention...
12/13/2005
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