Patents by Inventor Kevin Woehr
Kevin Woehr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9867951Abstract: A dual purpose needle assembly and related method are disclosed having a needle hub and needle sealed inside a packaging housing with a film cover or layer. The packaging housing has separately formed and subsequently joined cap and base unit with a living hinge optionally joining the two components. The needle assembly is usable without additional packaging and is usable as a hinged cap safety device upon removal of at least a section of the film cover.Type: GrantFiled: April 8, 2014Date of Patent: January 16, 2018Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 9827399Abstract: Method, system and device involving a needle device with a needle safety element with improved stable structure. A frame can surround the needle safety element to provide added stiffening of the needle safety element. The frame can include stays extending laterally of the needle safety element. The needle safety element with the frame can be slidably located on a needle and in a catheter hub in a ready to use position and be removable from the catheter hub in a protective position.Type: GrantFiled: October 11, 2016Date of Patent: November 28, 2017Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Hermann Riesenberger, Meinrad Lugan
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Patent number: 9782546Abstract: Safety intravenous catheters (IVCs) are disclosed herein having a catheter hub with a catheter tube, a needle with a needle hub, and a needle guard. The needle guard is configured to be positioned at least partially within an interior space of the catheter hub and is retained thereto by mechanical engagement between the two. Following removal of the needle from the catheter hub, the needle guard is configured to disengage from the catheter hub and attach over a tip of the needle to shield the needle tip from inadvertent needlesticks. The needle guard having an angled end section configured with a length and a width to retain the needle tip within a tip holding space behind the angled end section.Type: GrantFiled: August 1, 2011Date of Patent: October 10, 2017Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Publication number: 20170209675Abstract: Safety intravenous catheters (IVCs) are disclosed herein having a catheter hub with a catheter tube, a needle with a needle hub, and a needle guard. The needle guard is configured to be positioned at least partially within an interior space of the catheter hub and is retained thereto by mechanical engagement between the two. Following removal of the needle from the catheter hub, the needle guard is configured to disengage from the catheter hub and attach over a tip of the needle to shield the needle tip from inadvertent needlesticks. The needle guard having an angled end section configured with a length and a width to retain the needle tip within a tip holding space behind the angled end section.Type: ApplicationFiled: April 10, 2017Publication date: July 27, 2017Applicant: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 9682187Abstract: A protective device for an injection or infusion needle is provided comprising a needle hub at the proximal end of the needle, on whose shaft a protective member for the needle tip is displaceable, the protective member having an engaging section which engages with the needle shaft to prevent the protective member from being displaced beyond the needle tip, wherein the protective member is surrounded by a tube whose diameter is locally reduced or deformed such that the protective member is confined in the tube.Type: GrantFiled: July 17, 2014Date of Patent: June 20, 2017Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 9623210Abstract: Catheter assemblies are described having a catheter hub with a catheter tube and a needle hub with a needle projecting through the catheter tube. The catheter hub has a valve or a septum for stopping or slowing down the flow of fluid in or out of the catheter hub when the valve or septum is closed. The valve or septum has an exposed proximal wall that enables the valve to be wiped or cleaned with an antiseptic solution. The valve further has a cavity for receiving at least part of a needle guard, which is incorporated for preventing accidental needle stick with the needle tip.Type: GrantFiled: July 25, 2013Date of Patent: April 18, 2017Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Publication number: 20170049998Abstract: Method, system and device involving a needle device with a needle safety element with improved stable structure. A frame can surround the needle safety element to provide added stiffening of the needle safety element. The frame can include stays extending laterally of the needle safety element. The needle safety element with the frame can be slidably located on a needle and in a catheter hub in a ready to use position and be removable from the catheter hub in a protective position.Type: ApplicationFiled: October 11, 2016Publication date: February 23, 2017Applicant: B. Braun Melsungen AGInventors: Kevin Woehr, Hermann Riesenberger, Meinrad Lugan
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Publication number: 20170000983Abstract: Needle assemblies are generally discussed herein with particular discussions extended to needle assemblies having a tip protector with a plurality of wall surfaces for preventing contact with the needle tip from a side. Aspects of the tip protectors discussed herein include a first protector body having an arm for blocking a needle tip surrounded by a second protector body having a plurality of wall surfaces.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Applicant: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 9474880Abstract: The present disclosure relates to a set for producing a threaded connection, comprising a first and a second tubular component with an axis of revolution, one of their ends being provided with a threaded zone formed on the external or internal peripheral surface of the component depending on whether the threaded end is of the male or female type, said ends finishing in a terminal surface which is oriented radially with respect to the axis of revolution of the tubular components, a thread crest, a thread root, a load flank and a stabbing flank, the width of the thread crests of each tubular component reducing in the direction of the terminal surface of the tubular component under consideration, while the width of the thread roots increases, characterized in that the lead of the male stabbing flanks and/or load flanks is different from the lead of the female stabbing flanks and/or load flanks. The present method, system and device also pertain to a threaded connection.Type: GrantFiled: May 5, 2010Date of Patent: October 25, 2016Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Hermann Riesenberger, Meinrad Lugan
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Patent number: 9427549Abstract: Catheter assemblies are described having a catheter hub with a catheter tube and a needle hub with a needle projecting through the catheter tube. The catheter hub has a valve or a septum for stopping or slowing down the flow of fluid in or out of the catheter hub when the valve or septum is closed. The valve has features formed thereon to facilitate venting, opening, closing, or combinations thereof.Type: GrantFiled: August 5, 2015Date of Patent: August 30, 2016Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Edwin L. Burnard
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Patent number: 9421345Abstract: The present disclosure is directed to an IV-catheter insertion device, which comprises a catheter hub at the proximal end of a tubular catheter, a protective barrel releasably joined to the catheter hub in a ready position, a needle hub with an attached hollow needle, the hollow needle extending through the catheter hub and the tubular catheter in the ready position such that that needle tip projects distally of the distal end of the tubular catheter, wherein the needle hub is displaceable in the protective barrel, and a spring clip as a needle guard element whose proximal rear wall is fixed at a distal end area of the protective barrel by means of holding members, wherein the protective barrel and the catheter hub are held by the spring clip in the ready position, and the spring clip is released from the catheter hub in a protected position in which the spring clip covers the needle tip.Type: GrantFiled: August 1, 2013Date of Patent: August 23, 2016Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Tomas Mueller
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Patent number: 9399098Abstract: Syringes and flushing medical devices are generally discussed herein for withdrawing, injecting, or instilling fluids. More particularly, syringe tips and flushing tip adaptors with multiple flow channels are discussed for flushing vascular access devices. The tips have cut-outs that are located and sized to produce a relatively wider flow profile than a typical syringe tip with a single central lumen to facilitate flushing the vascular access devices.Type: GrantFiled: February 23, 2012Date of Patent: July 26, 2016Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 9387307Abstract: Needle assemblies are generally discussed herein with particular discussions extended to needle assemblies having a tip protector with a plurality of wall surfaces for preventing contact with the needle tip from a side. Aspects of the tip protectors discussed herein include a first protector body having an arm for blocking a needle tip surrounded by a second protector body having a plurality of wall surfaces.Type: GrantFiled: May 23, 2014Date of Patent: July 12, 2016Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Publication number: 20160175563Abstract: Aspects of the present disclosure include needle devices in which a needle has a notch or slot. A flashback indicator is provided at least in part in the needle lumen at the notch, adjacent the notch, or partially inside and partially outside of the notch. In use, blood flow through the needle lumen is indicated at the flashback indicator. When used with a catheter tube, the flashback indicator can be viewed through the catheter tube. The needle with the notch and flashback indicator may be used with a variety of needle applications, including as catheter assemblies, indwelling assemblies, and most, if not all, over-the-needle type devices.Type: ApplicationFiled: December 21, 2015Publication date: June 23, 2016Applicant: B. Braun Melsungen AGInventors: Kevin Woehr, Y Ying Chin, Hui Kuun Teoh
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Patent number: 9370641Abstract: Catheter assemblies are generally discussed herein with particular discussions extended to catheter assemblies having a tip protector, a valve, a valve opener, and optionally a needle wiper. The valve opener is disposed inside a catheter hub and is configured to be pushed by an IV set luer connector to open a valve following successful catheterization to pass fluids or other solutions through the catheter. A tip protector is incorporated to block the needle tip and prevent the same from accidental needle stick. A wiper is optionally included to wipe blood deposits from the needle when the same is retracted from the catheter.Type: GrantFiled: October 24, 2013Date of Patent: June 21, 2016Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Michael Zerbes
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Publication number: 20160158503Abstract: A catheter assembly including a catheter hub being connectable to a device for the infusion or withdrawal of fluids; a hollow extension tube connected at its distal end to the catheter hub, the extension tube connectable at its proximal end to a device for infusing fluid into the chamber within the catheter hub; a valve assembly disposed within the chamber of the catheter hub having a first valve member and a second valve member preventing the flow of fluid through the chamber to or from the proximal end of the catheter hub. A needle guard assembly is also provided.Type: ApplicationFiled: February 11, 2016Publication date: June 9, 2016Inventor: Kevin Woehr
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Publication number: 20160158526Abstract: A catheter assembly including a catheter hub being connectable to a device for the infusion or withdrawal of fluids; a hollow extension tube connected at its distal end to the catheter hub, the extension tube connectable at its proximal end to a device for infusing fluid into the chamber within the catheter hub; a valve assembly disposed within the chamber of the catheter hub having a first valve member and a second valve member preventing the flow of fluid through the chamber to or from the proximal end of the catheter hub. A needle guard assembly is also provided.Type: ApplicationFiled: February 11, 2016Publication date: June 9, 2016Inventor: Kevin Woehr
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Publication number: 20160114137Abstract: Catheter assemblies are generally discussed herein with particular discussions extended to catheter assemblies having a tip protector, a valve, a valve opener, and optionally a needle wiper. The valve opener is disposed inside a catheter hub and is configured to be pushed by an IV set luer connector to open a valve following successful catheterization to pass fluids or other solutions through the catheter. A tip protector is incorporated to block the needle tip and prevent the same from accidental needle stick. A wiper is optionally included to wipe blood deposits from the needle when the same is retracted from the catheter.Type: ApplicationFiled: January 6, 2016Publication date: April 28, 2016Applicant: B. Braun Melsungen AGInventors: Kevin Woehr, Michael Zerbes
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Publication number: 20160114136Abstract: The present disclosure relates to a catheter device comprising a catheter hub in which a valve member is disposed, a needle fixed in a needle hub, the needle extending through the valve member in the catheter hub in a ready position, and a tubular receptacle in which the needle hub is displaceably guided and biased by a spring in a proximal direction relative to the receptacle, wherein the needle hub is releasably held in the ready position in the receptacle against the force of the spring by frictional force between needle circumference and catheter or catheter hub, which frictional force is reduced on retraction of the needle through the catheter hub such that the force of the spring prevails.Type: ApplicationFiled: January 4, 2016Publication date: April 28, 2016Applicant: B. Braun Melssungen AGInventor: Kevin Woehr
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Patent number: 9320870Abstract: The present disclosure relates to a catheter insertion device, which comprises a catheter hub in which a check valve is arranged, and a catheter, which is in fluid communication with the catheter hub, wherein a support element is attached to the catheter, and a flexible buffer element is provided between the support element and the catheter hub.Type: GrantFiled: September 26, 2014Date of Patent: April 26, 2016Assignee: B. Braun Melsungen AGInventor: Kevin Woehr