Rotary Valve Patents (Class 604/32)
  • Patent number: 9750518
    Abstract: A catheter apparatus has a catheter that is inserted into a lumen of the human body, a branch portion which is connected to a base end portion of the catheter and is provided with an insertion hole to pass a guide wire used in inserting the catheter in the lumen of the human body, and a liquid introducing portion for introducing liquid such as a drug solution into the catheter through a tube connected to the branch portion, where at a front end of the catheter is disposed embolus trapping part for trapping an embolus inside the lumen of the human body.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: September 5, 2017
    Assignee: ACCESS POINT TECHNOLOGIES, INC.
    Inventor: Gordon Donald Hocking
  • Patent number: 9480782
    Abstract: The present disclosure relates generally to surgical aspiration and irrigation devices, including methods regarding the same.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: November 1, 2016
    Inventor: R. Ashley Burrow
  • Patent number: 9067009
    Abstract: A core, rotatably fitted within a body of a manifold assembly, includes a flow channel configured so that, when the core is rotated 360 degrees, fluid communication between ports of the body is only established by the channel at a first position, between first and second ports, and at a second position, between third and fourth ports. The channel may define an angle greater than 90 degrees and less than 180 degrees, preferably 120 degrees; and, the rotation, between first and second positions, may be approximately 180 degrees. In a medical injection system, the first and second ports are fill ports of the assembly, the first being coupled to a reservoir, and the second being coupled to a pump; and the third and fourth ports are injection ports of the assembly, the third being coupled to the pump, and the fourth being coupled to an injection line.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: June 30, 2015
    Assignee: ACIST Medical Systems, Inc.
    Inventors: David Duane Scott, Tom H. Borlaug, Scott Jacob Soltis
  • Publication number: 20150112248
    Abstract: A syringe is provided having a hub with an orifice, first and second barrels having an interior surface to form respective lumens, a valve, and a test indicator. The first and second barrels slideably receive respective first and second plungers for movement therein. The valve is operable to provide a fluidly communicative path between the orifice of the hub and the first and second barrel lumens. The test indicator is responsive to at least one characteristic of a bodily fluid, the test indicator positioned to be exposed to any bodily fluid drawn into the first barrel lumen and visible from an exterior of the first barrel.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: James A. Helliwell, Michael Wilmink
  • Patent number: 8876786
    Abstract: A flow control device for medical liquid including a housing having an inlet and an outlet, and a channel formed in an inner surface of the housing, the channel extending at least partly in axial direction; a rotatable member rotatable in relation to the housing without being axially displaced, the rotatable member having at least two apertures; and a core member arranged inside the rotatable member, fixedly connected to the rotatable member. A helical flow path is formed between the lateral surface of the core member and the inner surface of the rotatable member, the at least two apertures of the rotatable member being in communication with said helical flow path, and wherein each of the apertures debouches into the channel in at least one rotational position of the rotatable member.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: November 4, 2014
    Assignee: Astra Tech AB
    Inventors: Martin P. Nilsson, Josef Saltell
  • Patent number: 8845617
    Abstract: A respiratory access assembly includes a distal plate having one port and cuff and an axially aligned proximal plate including a first port and first cuff and a second port and second cuff. The distal plate is configured to move relative to the proximal plate. The respiratory access assembly includes an actuator, which has a plurality of predetermined positions. The actuator can lock the plates together such that the distal port is aligned with either port of the proximal plate or so that the distal port is not aligned with either port of the proximal plate. A method of using a respiratory access assembly is provided.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: September 30, 2014
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: John Brewer, Cassandra E. Morris, Joe Gordon, Stephen Gianelis, Dave Zitnick
  • Patent number: 8834409
    Abstract: A method for determining a volume of ablated tissue is provided. The method includes the steps of: supplying energy to tissue to create an ablation volume therein; excising one or more slices of the tissue having a portion of the ablation volume therein; and subjecting at least a portion of the slice to a first contrast agent for a predetermined period of time, wherein the contrast agent is configured to color dead cells within the ablation volume.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: September 16, 2014
    Assignee: Covidien LP
    Inventor: Prakash Manley
  • Patent number: 8801666
    Abstract: The invention relates to a device for reducing pressure variations in a fluid flowing in an aspiration branch of a surgical system, which pressure variations are generated by a pump that delivers in a non-continuous manner in the active operating state, with a diffuser arrangement which is arranged, in the aspiration branch, upstream of the pump in the direction of flow of the fluid. The invention also relates to a surgical system, in particular an ophthalmic microsurgical system for lens surgery.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: August 12, 2014
    Assignee: Carl Zeiss Meditec AG
    Inventors: Christoph Kuebler, Martin Kraus, Michael Eichler, Tobias Maier
  • Publication number: 20140221909
    Abstract: The present disclosure relates generally to surgical aspiration and irrigation devices, including methods regarding the same.
    Type: Application
    Filed: January 9, 2014
    Publication date: August 7, 2014
    Inventor: R. Ashley Burrow
  • Patent number: 8777893
    Abstract: A variable hemostasis valve is disclosed that may be used during medical procedures to prevent blood loss while permitting the percutaneous introduction, operation, and removal of medical instruments. A flexible tubular seal element is disclosed that is disposed within the variable hemostasis valve to provide a fluid-tight, adjustable seal. After insertion of a medical instrument into the valve through at least a portion of the flexible tubular seal element, a proximal portion of the valve housing may be rotated to cause the tension of the flexible tubular seal element to increase over the inserted medical instrument and engage the valve in a closed position. The proximal portion of the valve housing may then be rotated in an opposite direction to release the seal and return the tubular seal element to a relaxed lumen open position.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: July 15, 2014
    Assignee: Medtronic, Inc.
    Inventor: Andrzej Malewicz
  • Patent number: 8715222
    Abstract: A fluid control device for directing fluid flow comprising a needleless access device for transferring fluids and methods of directing fluid flow. The fluid control device may have a first port, a second port, a third port and a connecting portion joining the first, second and third ports. A first valve element may be positioned within the first port and a fluid director may be positioned within the connecting portion. The first valve element may move between an opening position, where fluid may flow past the first valve element, and a closed position, where fluid may be prevented from flowing past the first valve element. The fluid director may have at least one passageway for connecting at least two of the first, second and third ports such that fluid may flow therebetween. An actuation mechanism may be used to orient the fluid director and, consequently, the at least one passageway within the connecting portion.
    Type: Grant
    Filed: August 9, 2010
    Date of Patent: May 6, 2014
    Assignee: Carefusion 303, Inc.
    Inventors: Tim L. Truitt, Alex Truman Mazza
  • Patent number: 8695624
    Abstract: The present invention relates to a multi-way valve for use in medicine or medical technology, having at least one basic housing through which a medium can flow in sections, and having an actuator which is held in said basic housing so as to be rotatable about a central axis, wherein the basic housing has at least two connection points for the inflow and outflow of the medium and forms an actuator receptacle which has a peg arranged concentrically with respect to the central axis and which has, on the inner side of the basic housing, a radially encircling cutout, and wherein the actuator has a control element, a substantially hollow cylindrical section which receives the peg of the actuator receptacle at least in sections, at least one throughflow opening for the fluidic connection between two connection points, and at least one radially encircling molding on the outer side of the cylindrical section, and wherein the peg of the actuator receptacle has at least one counterbearing for the actuator to form a seal
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: April 15, 2014
    Assignee: Hans J├╝rgen Hopf Besitzgesell-Schaft
    Inventors: Hans Juergen Hopf, Norbert Kassai, Alexander Hopf, Michael Hopf
  • Patent number: 8657801
    Abstract: The invention provides a switching device for an irrigation system. The switching device provides selective communication between a supply port to which a supply of fluid under pressure can be attached and a balloon port to which a fixing balloon of a catheter can be attached, and between the supply port and a port to which a liquid reservoir can be attached. By use of a selection handle, the user can deform conduits in a pre-determined sequence and thus control an irrigation procedure by opening and closing fluid flow in various conduits. The invention further provides an irrigation device incorporating the switching device and a method of controlling a fluid flow e.g. in an irrigation system.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: February 25, 2014
    Assignee: Coloplast A/S
    Inventors: Jakob Ilskov Nielsen, Jens Peter Bredholt, Alister David Morton, Klaus Sommer Ipsen, Henrik Jeppesen
  • Patent number: 8652090
    Abstract: The devices and methods shown provide for the minimization of extravasation during arthroscopic surgery. The anti-extravasation surgical portal plug allows a surgeon to drain excess fluids from the soft tissue surrounding the surgical field during arthroscopic surgical procedures.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: February 18, 2014
    Assignee: Cannuflow, Inc.
    Inventor: Theodore R. Kucklick
  • Patent number: 8636687
    Abstract: An improved method and equipment for tissue/vessel sealing is disclosed for the sealing, coagulation and transection of tissue during surgical procedures. The improvement is accomplished through better management of heat and moisture present during tissue treatment by having tissue grasping surfaces comprised of an outer non-conducting region and an inner conductive region, and including channels in the jaw assembly to direct steam and moisture away from surrounding tissue. The outer region follows the perimeter each jaw, isolating the treatment zone and preventing steam and excess heat from leaving the tissue treatment zone, reducing thermal margins and unintended patient burns. The outer region also prevents surrounding moisture from affecting the treatment zone and allowing more consistent results.
    Type: Grant
    Filed: March 5, 2009
    Date of Patent: January 28, 2014
    Assignee: Spinnaker Medical LLC
    Inventor: Scott T. Latterell
  • Patent number: 8632537
    Abstract: Monopolar electrosurgery devices adapted for resecting tonsil and adenoid tissue. The devices minimize thermal injury by employing a plasma generated by pulsed electrical signals to precisely and effectively cut or coagulate the tissues. Suction may also be applied to the tissues to enhance the cutting, coagulation, and tissue manipulation functions. The devices include an interchangeable tip that may be switched for another tip, depending on which tip may be more suitable for tonsillectomy or adenoidectomy.
    Type: Grant
    Filed: February 16, 2012
    Date of Patent: January 21, 2014
    Assignee: Medtronic Advanced Energy LLC
    Inventors: Ralph I. McNall, III, Kay W. Chang, Paul O. Davison
  • Patent number: 8573228
    Abstract: A system includes (i) a needle for insertion into a port of an implantable infusion device, and (ii) a receiver apparatus having a port location signal receiver module capable of receiving a signal from the implantable infusion device regarding spatial orientation of the port. The system further includes a processor operably coupled to the receiver apparatus and capable of determining the orientation of the needle relative to the port based on the received signal. The system also includes a display operably coupled to the processor. The processor is configured to cause the display to graphically render trajectory of the needle relative to the port. The port is graphically rendered as a target structure having a reference area. The needle is graphically rendered as an object moveable relative to the target structure. Occupation of the reference area by the object indicates trajectory alignment of the port and the needle.
    Type: Grant
    Filed: September 9, 2008
    Date of Patent: November 5, 2013
    Assignee: Medtronic, Inc.
    Inventor: Scott L. Kalpin
  • Publication number: 20130218071
    Abstract: A bronchotracheal access valve for a bronchoaspiration apparatus. The valve is characterized in that the rotation of a second member in a given direction with respect to a first member moves the valve from a configuration in which a conduit communicates hydraulically with a sleeve, to a configuration in which the conduit communicates hydraulically with a flush conduit via a duct and a channel to flush an end portion of a catheter.
    Type: Application
    Filed: April 3, 2013
    Publication date: August 22, 2013
    Applicant: Covidien AG
    Inventor: Covidien AG
  • Patent number: 8478385
    Abstract: A rotary medical manifold, for delivering various fluids through a patient delivery mechanism is described. The rotary manifold can include a manifold body and a valve stem. The manifold body can include a central cavity, an output port, a first fluid port, and a second fluid port. The valve stem can include an injector port, and a single central fluid passage. The valve stem can be adapted to slidably engage the central cavity of the manifold body and provide selective fluidic connectivity between the injector port and the output port, the first fluid port and the second fluid port.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: July 2, 2013
    Assignee: United Medical Innovations, Inc.
    Inventors: Yunxing Liu, Chun Li
  • Patent number: 8444594
    Abstract: The invention relates to a system for the extraction and infusion of a body fluid, in particular a system for the extraction and infusion of blood, having a fluid distribution device with an outer structural element at which several connection ports are formed and an inner structural element which is arranged, at least partially, in a seat in the outer structural element, is displaceable between positions and has a hollow space configured for the intake and discharge of a fluid. The invention also relates to a method for operating a system for the extraction and infusion of a body fluid.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: May 21, 2013
    Assignee: Roche Diagnostics Operations, Inc.
    Inventor: Gerd Schweiger
  • Patent number: 8419694
    Abstract: A clamping assembly includes a first clamping member and a second clamping member. The first clamping member defines a first lumen dimensioned to non-rotatably engage a first portion of a tubular member. Rotating the first clamping member effects a rotation of the first portion of the tubular member. The second clamping member defines a second lumen dimensioned to non-rotatably engage a second portion of the tubular member. Rotating the second clamping member in relation to the first clamping member rotates the second portion of the tubular member in relation to the first portion of the tubular member to twist the tubular member to restrict flow through the tubular member.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: April 16, 2013
    Assignee: Covidien LP
    Inventor: Richard M. Braga
  • Patent number: 8414544
    Abstract: A bronchotracheal access valve for a bronchoaspiration apparatus. The valve is characterized in that the rotation of a second member in a given direction with respect to a first member moves the valve from a configuration in which a conduit communicates hydraulically with a sleeve, to a configuration in which the conduit communicates hydraulically with a flush conduit via a duct and a channel to flush an end portion of a catheter.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: April 9, 2013
    Assignee: Covidien AG
    Inventor: Daniele Resca
  • Patent number: 8366700
    Abstract: Visceral fat may be removed from a subject using a cannula that has an interior cavity and an orifice configured to permit material to enter the cavity. This is accomplished by generating a negative pressure in the cavity so that a portion of the tissue is drawn into the orifice. Fluid is then delivered in pulses, via a conduit, so that the fluid exits the conduit within the cavity and impinges against the portion of the tissue that was drawn into the orifice. The fluid is delivered at a pressure and temperature that causes the visceral fat to soften, liquefy, or gellify, without damaging the subject's internal organs that are in the vicinity of the visceral fat. The visceral fat that has been softened, liquefied, or gellified is then suctioned away.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: February 5, 2013
    Assignee: Andrew Technologies, LLC
    Inventors: Mark S. Andrew, Luis A. Davila
  • Patent number: 8308726
    Abstract: A system to minimize fluid turbulence inside a tissue cavity during endoscopic procedures. A body tissue cavity of a subject is distended by continuous flow irrigation using a solenoid operated pump on the inflow side and a positive displacement pump, such as a peristaltic pump, on the outflow side, such that the amplitude of the pressure pulsations created by the outflow positive displacement pump inside the said tissue cavity is substantially dampened to almost negligible levels. The present invention also provides a method for accurately determining the rate of fluid loss into the subject's body system during any endoscopic procedure without utilizing any deficit weight or fluid volume calculation, the same being accomplished by using two fluid flow rate sensors. The present invention also provides a system of creating and maintaining any desired pressure in a body tissue cavity for any desired cavity outflow rate.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: November 13, 2012
    Inventors: Atul Kumar, Alka Kumar
  • Patent number: 8241271
    Abstract: In one embodiment of the invention, a robotic surgical instrument is provided for the control of flows of one or more fluids into and out of a surgical site. The robotic surgical instrument may include a housing, a flow control system, a hollow tube, and one or more hose fittings. The housing to couple the instrument to a robotic arm. The flow control system mounted in the housing includes one or more controlled valves to control the flow of one or more fluids. The hollow tube has a first end mounted in the housing coupled to the flow control system. A second end of the hollow tube has one or more openings to allow the flow of fluids into and out of the surgical site. The hose fittings have a first end coupled to the flow control system and a second end to couple to hoses.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: August 14, 2012
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Paul Millman, David Bailey, Dean Hoornaert, David Stephen Mintz, David Q Larkin
  • Patent number: 8221389
    Abstract: An adaptor for use with a medical catheter comprises a housing having a first tubular channel with a first longitudinal axis, a dial having a second tubular channel with a second longitudinal axis, and an adaptor fitting removably connected to the second tubular channel. The dial is rotatable between an open position and a closed position when the adaptor fitting is connected thereto. In the open position the first tubular channel is fluidly connected to the second tubular channel, and in the closed position the first tubular channel is not fluidly connected to the second tubular channel. The dial may be configured such that it is not rotatable between the open position and the closed position when the adaptor fitting is not connected thereto. The housing may comprise an upper housing member, an intermediate housing member, and a lower housing member.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: July 17, 2012
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Laurence D. Brenner, William L. Churchill, Patrice A. Weststrate
  • Patent number: 8137345
    Abstract: Monopolar electrosurgery devices adapted for resecting tonsil and adenoid tissue. The devices minimize thermal injury by employing a plasma generated by pulsed electrical signals to precisely and effectively cut or coagulate the tissues. Suction may also be applied to the tissues to enhance the cutting, coagulation, and tissue manipulation functions. The devices include an interchangeable tip that may be switched for another tip, depending on which tip may be more suitable for tonsillectomy or adenoidectomy.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: March 20, 2012
    Assignee: Peak Surgical, Inc.
    Inventors: Ralph I. McNall, III, Kay W. Chang, Paul O. Davison
  • Patent number: 8070712
    Abstract: An eye treatment system includes an eye treatment probe and a console. The console has a cassette receptacle and a fluid drive system including a first peristaltic drive rotor and a second peristaltic drive rotor. The first and second drive rotors are exposed to the receptacle and are substantially coaxial. The cassette includes a cassette body and a fluid pathway network for coupling the fluid drive system of the console with the probe. The cassette body has cassette positioning surface for fittingly engaging the receptacle. The fluid pathway network has a first resilient tubing segment and a second resilient tubing segment, the first and second tubing segments are configured for peristaltic driving engagement by the first and second rotors, respectively, when the cassette is mounted to the console. Various elements of the cassette are configured for interfacing with the components of the console when the cassette is mounted to the console.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: December 6, 2011
    Assignee: Abbott Medical Optics Inc.
    Inventors: John I. Muri, Craig Edwards
  • Patent number: 7998106
    Abstract: A combination of a valve assembly and multi-chamber, sequential delivery syringe is disclosed. The combination effectively provides a safety system for transferring hazardous materials from a vial to a site of use. All potentially hazardous materials are flushed from exposed connecting sites prior to disconnections.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: August 16, 2011
    Inventors: Gale H. Thorne, Jr., Gale H. Thorne
  • Patent number: 7988128
    Abstract: A connector (100) for a medical device including a body (110) having a proximal end (114), a distal end (112), and a passage (116) extending therethrough between the proximal end and the distal end that fluidly connects the proximal end and the distal end. The proximal end (114) includes a connecting portion (119) for releasably connecting the connector to an external device. The distal end (112) is fluidly connected to a conduit. A cylinder (124) is rotatably disposed in the passage (116) between first position and a second position, wherein the cylinder includes an opening (128) extending generally diametrically therethrough. One or both ends (130,132;230,232) of the cylinder provide manually- or tool-engageable sections (136;236) to enable rotation of the cylinder between open and closed positions, allowing and preventing fluid flow through the connector (100), respectively.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: August 2, 2011
    Assignee: Medical Components, Inc.
    Inventor: Angela Wentling
  • Patent number: 7988659
    Abstract: An indwelling balloon catheter for an endoscope is provided with a flexible tube including a first lumen and a second lumen, the first lumen and the second lumen being arranged in parallel with each other and extending in an axial direction of the flexible tube over an entire length thereof, and a connector provided with a first connecting pipe and a second connecting pipe which protrude from a body of the connector, protruded portions of the first connecting pipe and the second connecting pipe being configured to be removably inserted into the first lumen and the second lumen, respectively. A cross sectional shape of the first lumen is a non-circular shape, a cross sectional shape of the first connecting pipe corresponding to the cross sectional shape of the first lumen. The first connecting pipe protrudes longer from the connector than the second connecting pipe.
    Type: Grant
    Filed: July 20, 2006
    Date of Patent: August 2, 2011
    Assignee: Hoya Corporation
    Inventors: Hiroaki Shibata, Shinichi Matsuno
  • Patent number: 7975721
    Abstract: An apparatus includes a first valve having an inlet capable of being in fluid communication with a first fluid source, an outlet capable of being in fluid communication with the inlet, and two unidirectional valves. The first valve is capable of being in a first mode in which the inlet is in fluid communication with the outlet through a first flow path, and a second mode in which the inlet is in fluid communication with the outlet through a second flow path isolated from the first flow path. The two unidirectional valves are along the second flow path.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: July 12, 2011
    Inventor: John Hiebert
  • Patent number: 7858839
    Abstract: A method and apparatus for alerting a colostomate or medical attendant to the presence of fecal matter. The device includes a hollow plug detachably securable to a flexible port positioned about the stoma. The port carries an alarm circuit which is triggered when fecal matter enters the plug lumen which will alert the colostomate to an impending episode. The signal may be vibratory, audible or visible and may be transmitted to a remote location. The device includes an inflatable air cuff which, when inflated, presents a physical barrier to the passage of fecal matter. Gas may pass through filters in the tube. The method involves positioning the device in the stoma, inflating the cuff and generating an alarm when matter is sensed.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: December 28, 2010
    Assignee: Oakington Corp.
    Inventor: Nyle S. Elliott
  • Patent number: 7846131
    Abstract: An administration feeding set for use with a flow control apparatus to deliver fluid from at least one fluid source to a patient. The feeding set includes tubing adapted to extend from the fluid source for flow of fluid through the tubing from the fluid source toward a patient. A locating finger projects outwardly from the tubing and is positioned on the tubing so that when received on the flow control apparatus in an operating position the finger permits a locating member of the flow control apparatus to close. However, when the tubing is received on the flow control apparatus in a non-operating position the finger does not permit the locating member to close thereby to verify whether the tubing is in the operating position on the flow control apparatus.
    Type: Grant
    Filed: September 30, 2005
    Date of Patent: December 7, 2010
    Assignee: Covidien AG
    Inventors: Joseph A. Hudson, James Harr, Joel T. Wiesner, Scott Kimsey
  • Patent number: 7806851
    Abstract: A device is described for fitting and removing a closing means (27, 29) on an end portion (13) of a tubular element (3), comprising: a container (1) defining an internal chamber (18); a rotating platform (19) inside said chamber at the bottom (16) thereof; a receiving housing (26) that is able to receive and hold a first closing means (27) from said end portion of tubular element; and a releasing housing (28) that is able to contain and release a second closing means (29), in said end portion of tubular element; said receiving and releasing housings provided with an opening for passage of the closing means, being fixed on said rotating platform with said opening turned towards said perimeter walls (17) of the container. The device can be used as a connector for peritoneal dialysis and minimizes or eliminates the risks of contamination, also of pathogens, and the risks of peritonitis.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: October 5, 2010
    Assignee: Glomeria Therapeutics
    Inventor: Paolo Cerasoli
  • Patent number: 7771383
    Abstract: A fluid control device for directing fluid flow comprising a needleless access device for transferring fluids and methods of directing fluid flow. The fluid control device may have a first port, a second port, a third port and a connecting portion joining the first, second and third ports. A first valve element may be positioned within the first port and a fluid director may be positioned within the connecting portion. The first valve element may move between an opening position, where fluid may flow past the first valve element, and a closed position, where fluid may be prevented from flowing past the first valve element. The fluid director may have at least one passageway for connecting at least two of the first, second and third ports such that fluid may flow therebetween. An actuation mechanism may be used to orient the fluid director and, consequently, the at least one passageway within the connecting portion.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: August 10, 2010
    Assignee: Medegen, Inc.
    Inventors: Tim L. Truitt, Alex Truman Mazza
  • Patent number: 7744573
    Abstract: A closed blood sampling system within a pressure monitoring line having a control valve that enables a clearance reservoir to be isolated from the pressure column when no samples are being taken. The valve is a stopcock-like device that includes a rotating valve member and attached control handle with clear visible and tactile indicators for the mode of operation. The rotating valve member has a number of internal and circumferential channels for connecting or disconnecting select ports in the core of the valve. By isolating the clearance reservoir, the quality of the pressure signal is improved such that the sampling line can be lengthened for greater convenience in the intensive care or operating room. The valve may also incorporate a blunt cannula sampling site therewithin.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: June 29, 2010
    Assignee: Edwards Lifesciences Corporation
    Inventors: Mark Gordon, John Liu, Scott Couchman, Hagay Drori
  • Patent number: 7682346
    Abstract: An enterostomy device for providing fluids and nutrients through a stoma formed through the abdominal wall of a patient is described. The enterostomy device, which may be configured as either a gastrostomy device or a jejunostomy device, comprises a low-profile retaining member which is configured to be unobtrusively positioned within the stomach or the intestine, and which is configured to provide sufficient surface area for contacting the stomach or intestine to prevent unintentional removal or release of the enterostomy device from the patient. The enterostomy device is also structured with a low-profile port hub for facilitating the inflation of the retaining member and feeding and venting through the stoma.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: March 23, 2010
    Assignee: Zevex, Inc.
    Inventors: David J. McNally, Alejandro Flores
  • Patent number: 7614857
    Abstract: The invention relates to a medical pump device comprising a rotary valve (13) having preferably only one rectilinear channel (20) which respectively connects the inlet (4) and the outlet (7) of the pump device, or connects the inlet to a pump chamber (15), or said pump chamber to the outlet, upon rotation of the rotary element (19) of the valve. The invention enables a medical pump device to be especially easily produced, said pump device being preferably inserted between an infusion syringe driver or an infusion container and a catheter, and being used to supply small quantities of liquid in an accurately dosed manner.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: November 10, 2009
    Assignee: Medinnovation AG
    Inventors: Rudolf Marcel Fuechslin, Markus Weiss, Rudolf Duenkl, Peter Fritz Mejer, Thomas Neff, Erich Paul Stoll, Andreas Suter
  • Patent number: 7503902
    Abstract: A blood flow reversal valve useful in hemodialysis having rotational detent features enabling audible and tactile feedback to a clinician and alignment features such as visible indicators associated with the blood lines on either side of the valve to confirm normal or reverse flow.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: March 17, 2009
    Assignee: Fresenius Medical Care Holdings, Inc.
    Inventors: Mel Jensen, Lynn E. Jensen, Thomas I. Folden, John Oliver, Olli Tuominen
  • Patent number: 7473240
    Abstract: An improved valve port system provides blood access in a patient through a subcutaneous fluid flow conduit during a dialysis procedure. The system includes several elements, including a engagement member defined by a tubular body having a proximal end, a distal end and a tubular lumen therebetween. The distal end has a tapered bevel defined thereat and a tapered protrusion proximate thereto defined upon an exterior surface of the tubular body. In addition, the system provides a dialysis port member having a housing with a generally cylindrical valve rotatably positioned therein. The valve includes an open end, a closed end and an orifice near the closed end. The valve further includes a longitudinal groove defined along an interior surface thereof. The groove, which is capable of being in registry with the protrusion, is coincident with the protrusion so as to intussuscept the protrusion therein.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: January 6, 2009
    Assignee: Navilyst Medical, Inc.
    Inventor: Todd Peavey
  • Publication number: 20080051698
    Abstract: A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient-user or with infusion media are supported by the disposable housing portion for disposal after the prescribed use, while the durable housing portion supports other components such as electronics for controlling delivery of infusion media from the reservoir and a drive device and drive linkage.
    Type: Application
    Filed: December 26, 2006
    Publication date: February 28, 2008
    Inventors: R. Paul Mounce, Paul F. Bente,, Ian B. Hanson, Julian D. Kavazov, Christopher G. Griffin
  • Publication number: 20080051697
    Abstract: A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient-user and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient-user or with infusion media are supported by the disposable housing portion for disposal after the prescribed use, while the durable housing portion supports other components such as electronics for controlling delivery of infusion media from the reservoir and a drive device and drive linkage.
    Type: Application
    Filed: December 8, 2006
    Publication date: February 28, 2008
    Inventors: R. Paul Mounce, Ian B. Hanson, Paul F. Bente, Sheldon B. Moberg, Robert M. Guezuraga, Bradley J. Enegren, Julian D. Kavazov, Christopher G. Griffin, Susie E. Maule, Mark D. Holt
  • Patent number: 7297132
    Abstract: 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 actuator. The shutter comprises a plurality of petals positioned circumferentially around the conduit section and able to move between a closed and an open position. The actuator comprises shape memory wires associated to the petals which are supplied with electrical current to cause opening of the petals.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: November 20, 2007
    Assignee: C.R.F. Societa Consortile per Azioni
    Inventors: Piero Perlo, Valentina Grasso
  • Publication number: 20070219483
    Abstract: The present invention is directed to a connector with which negative pressure in the channel space in the connector can be prevented during luer removal, in a closed-system connector. A slit (49) is furnished in valve body (40) of three-way stopcock (100). During luer access and luer removal, first and second moving parts (M1and (M2) to the left and right of slit (49) enter and withdraw from first and second valve body accommodating chambers (51) and (52), respectively. First and second valve body accommodating chambers (51) and (52) are formed outside of channel space (S), so the operation whereby first and second moving parts (M1) and (M2) enter and withdraw during luer access and luer removal does not affect the change in volume of channel space (S) and negative pressure can be prevented from occurring in channel space (S) by the aforementioned entry and withdrawal.
    Type: Application
    Filed: October 27, 2006
    Publication date: September 20, 2007
    Applicants: TYCO HEALTHCARE GROUP LP, Nippon Sherwood Medical Industries Ltd.
    Inventors: Ichiro Kitani, Yosuke Sakai, Shigeaki Funamura
  • Patent number: 7232420
    Abstract: A flow rate selection valve includes a gate cylinder having a gate cylinder rotational axis and having at least two flow rate determining passageways and passing laterally through the gate cylinder at orientations angularly displaced from each other and having cylinder rotation structure; and a valve housing containing a flow passageway and having a cylinder receiving bore intersecting the flow passageway into which the gate cylinder is rotatably and sealingly mounted, the gate cylinder dividing the flow passageway into a passageway inlet end and a passageway outlet end, the flow passageway containing a passageway registration barrier extending across the flow passageway and sealingly abutting the gate cylinder and having several flow ports with different minimum diameters, each flow port positioned to register with one of the flow rate determining passageway.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: June 19, 2007
    Inventor: Ramzi Abulhaj
  • Patent number: 7182746
    Abstract: A catheter is provided including a tubular body having a proximal end and a distal end. The body includes a first lumen and a second lumen with a septum disposed therebetween. The proximal end includes a valve and a hub that are integral with the body. The hub includes a first conduit and a second conduit. The valve includes a first port and a second port that are rotatable, about a longitudinal axis of the body, to establish fluid communication between the lumens and the conduits. The distal end of the tubular body may be configured for insertion with a subject. The conduits may be connectable to a medical apparatus.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: February 27, 2007
    Assignee: Sherwood Services AG
    Inventors: Brett Haarala, Robert Frechette, Kurt Haggstrom, Scott MacMeans, Elise Tordella
  • Patent number: 7175612
    Abstract: 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 carrying bore so as to permit introduction of atmospheric air into the fluid carrying bore. The vent mechanism being adjustable so that the degree of airflow into the fluid carrying bore is variable between a fully open position to a fully closed position where atmospheric air is prevented from entering the fluid carrying bore. The suction limiting device also includes a valve disposed within the main vent body and positionable between an open position when negative pressure and a closed position when positive pressure exists in the main vent body.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: February 13, 2007
    Assignee: C.R. Bard, Inc.
    Inventors: Augustus Felix, Kevin Ranucci, Karen E. Kullas, Adam P. Angell, Lisa Futato, Dan Hass
  • Patent number: 7172572
    Abstract: A number of devices are illustrated for providing a manifold that can simply and selectively couple a number of different therapeutic and diagnostic elements to a catheter or other medical device. Some examples include devices having sliding actuators, rotary actuators, button actuators, or combinations thereof, for easily changing the valve scheme and fluid pathways within a manifold.
    Type: Grant
    Filed: February 26, 2003
    Date of Patent: February 6, 2007
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Scott A. Diamond, Colin P. Hart, James Mitchell, Thomas Deyette, Jr., Richard M. Garlapow, Mark H. Van Diver, William A. Wetherbee
  • Patent number: 7028927
    Abstract: The invention concerns a device comprising two components connected to each other with possible displacement of one component relative to the other, sealing means arranged between said two components, and flow rate adjusting means actuated by displacement of one component relative to the other. The invention is characterized in that the device comprises positioning means for placing the two components in two different positions, namely a first so-called sterilizing position, wherein said two components do not, or hardly exert, any stresses on the sealing means, and second so-called operating position, wherein said two components stress the sealing means to provide the required sealing conditions.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: April 18, 2006
    Assignee: Sobem
    Inventor: Bernard Mermet