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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Publication number: 20140276434Abstract: 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: ApplicationFiled: August 28, 2013Publication date: September 18, 2014Applicant: B. BRAUN MELSUNGEN AGInventors: Kevin Woehr, Edwin L. Burnard
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Publication number: 20140276433Abstract: 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 at least two seals with at least one being a temporary seal that ends or terminates upon movement of a needle and/or a guard. Different needle guards are provided that can be seated differently within the catheter hub to seal against the elastic seal.Type: ApplicationFiled: August 26, 2013Publication date: September 18, 2014Inventor: Kevin Woehr
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Publication number: 20140257202Abstract: 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: May 23, 2014Publication date: September 11, 2014Applicant: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 8827965Abstract: A safety IV catheter includes a unitary, resilient needle guard received in a catheter hub. The needle guard includes a proximal arm or wall that includes an opening through which a needle passes for axial movement. When the needle is retracted from the catheter, it releases the force that had previously prevented movement of the needle guard within the catheter hub. This in turn causes the needle guard to snap into a position in which it is clamped onto the needle shaft and in which its distal wall blocks access to the needle tip. In this condition, the spring needle guard and needle can be removed from the catheter hub. A slot or crimp may be formed in the needle shaft that engages with the needle guard after the protected needle and needle guard are removed from the catheter hub, thereby to prevent removal of the protected needle from the needle guard.Type: GrantFiled: April 9, 2014Date of Patent: September 9, 2014Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Manfred Orth, Mark Wynkoop, Matthew Kohler
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Publication number: 20140249488Abstract: 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: February 28, 2014Publication date: September 4, 2014Applicant: B. BRAUN MELSUNGEN AGInventor: Kevin Woehr
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Patent number: 8801663Abstract: 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 2, 2010Date of Patent: August 12, 2014Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Publication number: 20140221939Abstract: A safety IV catheter includes a unitary, resilient needle guard received in a catheter hub. The needle guard includes a proximal arm or wall that includes an opening through which a needle passes for axial movement. When the needle is retracted from the catheter, it releases the force that had previously prevented movement of the needle guard within the catheter hub. This in turn causes the needle guard to snap into a position in which it is clamped onto the needle shaft and in which its distal wall blocks access to the needle tip. In this condition, the spring needle guard and needle can be removed from the catheter hub. A slot or crimp may be formed in the needle shaft that engages with the needle guard after the protected needle and needle guard are removed from the catheter hub, thereby to prevent removal of the protected needle from the needle guard.Type: ApplicationFiled: April 9, 2014Publication date: August 7, 2014Applicant: B. BRAUN MELSUNGEN AGInventors: Kevin Woehr, Manfred Orth, Mark Wynkoop, Matthew Kohler
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Patent number: 8784387Abstract: 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: March 15, 2013Date of Patent: July 22, 2014Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Patent number: 8758296Abstract: Syringes are disclosed herein incorporating a variety of safety mechanisms for protecting the users from accidental needle stick. In certain embodiments, the syringes incorporate retractable carriages that can be retracted into the syringe barrels by engaging with the plungers. The carriages are configured to receive different needle hubs having any number of needle sizes. In certain other embodiments, the carriages are spring loaded so that as the plungers disengage the carriages from the syringe barrels, the springs automatically retract the needles into the barrels. Still in certain other embodiments, needle hubs with spring loaded needles are used with the syringes. The needles are retracted into the barrels when the plungers activate certain mechanisms incorporated into the hubs to thereby release the needles.Type: GrantFiled: April 30, 2009Date of Patent: June 24, 2014Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Juergen Fuchs
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Patent number: 8728030Abstract: 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: GrantFiled: July 14, 2010Date of Patent: May 20, 2014Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Publication number: 20140135701Abstract: A safety IV catheter includes a unitary, resilient needle guard received in a catheter hub. The needle guard includes a proximal arm or wall that includes an opening through which a needle passes for axial movement. When the needle is retracted from the catheter, it releases the force that had previously prevented movement of the needle guard within the catheter hub. This in turn causes the needle guard to snap into a position in which it is clamped onto the needle shaft and in which its distal wall blocks access to the needle tip. In this condition, the spring needle guard and needle can be removed from the catheter hub. A slot or crimp may be formed in the needle shaft that engages with the needle guard after the protected needle and needle guard are removed from the catheter hub, thereby to prevent removal of the protected needle from the needle guard.Type: ApplicationFiled: January 21, 2014Publication date: May 15, 2014Applicant: B. BRAUN MELSUNGEN AGInventors: Kevin Woehr, Manfred Orth, Mark Wynkoop, Matthew Kohler
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Publication number: 20140135702Abstract: Embodiments of a catheter insertion device are discussed comprising: an approximately hollow cylindrical catheter sleeve, at whose distal end a catheter is attached; a needle sleeve with a hollow needle, which is attached thereto and which, when ready for use, extends through the catheter sleeve and the catheter, and; a needle protective element that is arranged inside the catheter sleeve while being able to move on the needle. Said needle protective element has an engaging section that engages with an engaging device, which is formed in the vicinity of the needle tip, when the hollow needle is withdrawn from the catheter sleeve. A check valve is placed inside the catheter sleeve between the catheter and the needle protective element. The hollow needle, when ready for use, extends through said check valve, and the check valve automatically closes once the needle is withdrawn.Type: ApplicationFiled: January 22, 2014Publication date: May 15, 2014Applicant: B. BRAUN MELSUNGEN AGInventors: Kevin Woehr, Kenneth C. Raines
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Patent number: 8715231Abstract: A hinged cap device for use with a syringe includes a base defining an interior cavity for mounting onto a tip and a cap connected to the base by a living hinge. The cap is moveable from a ready position to an open position to expose a needle, and from the open position to a secured position to prevent relative rotation between the cap and the base. A first latching mechanism is on the cap for engaging the needle, the first latching mechanism locatable on a first side of the needle in the ready position and locatable on a second side of the needle in the secured position. The needle is disengageable from the first latching mechanism in the ready position, and the needle is not disengageable from the first latching mechanism in the secured position.Type: GrantFiled: November 14, 2011Date of Patent: May 6, 2014Assignee: B. Braun Melsungen AGInventor: Kevin Woehr
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Publication number: 20140052065Abstract: 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: October 24, 2013Publication date: February 20, 2014Applicant: B. Braun Melsungen AGInventors: Kevin Woehr, Michael Zerbes
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Patent number: 8647313Abstract: A safety IV catheter includes a unitary, resilient needle guard received in a catheter hub. The needle guard includes a proximal arm or wall that includes an opening through which a needle passes for axial movement. When the needle is retracted from the catheter, it releases the force that had previously prevented movement of the needle guard within the catheter hub. This in turn causes the needle guard to snap into a position in which it is clamped onto the needle shaft and in which its distal wall blocks access to the needle tip. In this condition, the spring needle guard and needle can be removed from the catheter hub. A slot or crimp may be formed in the needle shaft that engages with the needle guard after the protected needle and needle guard are removed from the catheter hub, thereby to prevent removal of the protected needle from the needle guard.Type: GrantFiled: October 22, 2012Date of Patent: February 11, 2014Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Manfred Orth, Mark Wynkoop, Matthew Kohler
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Publication number: 20140012203Abstract: Embodiments of a catheter insertion device are discussed comprising: an approximately hollow cylindrical catheter sleeve, at whose distal end a catheter is attached; a needle sleeve with a hollow needle, which is attached thereto and which, when ready for use, extends through the catheter sleeve and the catheter, and; a needle protective element that is arranged inside the catheter sleeve while being able to move on the needle. Said needle protective element has an engaging section that engages with an engaging device, which is formed in the vicinity of the needle tip, when the hollow needle is withdrawn from the catheter sleeve. A check valve is placed inside the catheter sleeve between the catheter and the needle protective element. The hollow needle, when ready for use, extends through said check valve, and the check valve automatically closes once the needle is withdrawn.Type: ApplicationFiled: September 4, 2013Publication date: January 9, 2014Applicant: B. BRAUN MELSUNGEN AGInventors: Kevin Woehr, Kenneth C. Raines
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Publication number: 20130331817Abstract: 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: ApplicationFiled: February 23, 2012Publication date: December 12, 2013Inventor: Kevin Woehr
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Patent number: 8597249Abstract: 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 on the needle when the same is retracted from the catheter.Type: GrantFiled: November 2, 2012Date of Patent: December 3, 2013Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Michael Zerbes
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Publication number: 20130317440Abstract: 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: ApplicationFiled: August 1, 2013Publication date: November 28, 2013Applicant: B. BRAUN MELSUNGEN AGInventors: Kevin Woehr, Tomas Mueller
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Patent number: D713522Type: GrantFiled: February 25, 2013Date of Patent: September 16, 2014Assignee: B. Braun Melsungen AGInventors: Kevin Woehr, Helmut Freigang, Michael Zerbes