Patents by Inventor David W. Pennington
David W. Pennington 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: 8146642Abstract: A laser strikes and aseptically heats or sterilizes the end of two flexible tube ends for connection. Tube holders are pushed toward each other to bring the tube ends into contact. A weld detector checks the characteristics of the weld. A laser optics assembly may be used to chance the direction of the lacer and focus the laser at the tube ends. In addition, a crimping device is used to compress a single flexible tube for disconnection. The laser strikes the compressed area. The crimping device continues to pinch the area and forms a seal in the tube. The tube is separated into two tube segments, each segment has a sealed end.Type: GrantFiled: October 23, 2008Date of Patent: April 3, 2012Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: Frank J. Landherr, John A. Biewer, Shahid Din, David Do, Rick Gilbert, James J. Alberti, David W. Pennington, Joe Romack
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Patent number: 7534348Abstract: Flow-through systems for processing biological fluid are disclosed. The flow-through systems include a removal device in the flow path for removing unwanted compounds and agents. The removal device includes a removal media contained within a housing made of two separate portions sealed together. The housing is maintained in a substantially vertical disposition, thereby ensuring substantially uniform and complete exposure of the fluid to the media.Type: GrantFiled: September 12, 2003Date of Patent: May 19, 2009Assignee: Fenwal, Inc.Inventors: Douglas W. Reitz, Scott Ariagno, Mihir Sheth, Atif Yardimci, Robert A. Clarke, David W. Pennington, Michael R. Prisco, Edwin Chim, Robin Pauley, Craig Sandford, Arch Sites
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Publication number: 20090054873Abstract: A laser strikes and aseptically heats or sterilizes the end of two flexible tube ends for connection. Tube holders are pushed toward each other to bring the tube ends into contact. A weld detector checks the characteristics of the weld. A laser optics assembly may be used to chance the direction of the lacer and focus the laser at the tube ends. In addition, a crimping device is used to compress a single flexible tube for disconnection. The laser strikes the compressed area. The crimping device continues to pinch the area and forms a seal in the tube. The tube is separated into two tube segments, each segment has a sealed end.Type: ApplicationFiled: October 23, 2008Publication date: February 26, 2009Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.Inventors: Frank J. Landherr, John A. Biewer, Shahid Din, David Do, Rick Gilbert, James J. Alberti, David W. Pennington, Joe Romack
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Patent number: 7459054Abstract: A laser strikes and aseptically heats or sterilizes the end of two flexible tube ends for connection. Tube holders are pushed toward each other to bring the tube ends into contact. A weld detector checks the characteristics of the weld. A laser optics assembly may be used to change the direction of the laser and focus the laser at the tube ends. In addition, a crimping device is used to compress a single flexible tube for disconnection. The laser strikes the compressed area. The crimping device continues to pinch the area and forms a seal in the tube. The tube is separated into two tube segments, each segment has a sealed end.Type: GrantFiled: April 5, 2005Date of Patent: December 2, 2008Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: Frank J. Landherr, John A. Biewer, Shahid Din, David Do, Rick Gilbert, James J. Alberti, David W. Pennington, Joe Romack
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Patent number: 6913056Abstract: A laser strikes and aseptically heats or sterilizes the end of two flexible tube ends for connection. Tube holders are pushed toward each other to bring the tube ends into contact. A weld detector checks the characteristics of the weld. A laser optics assembly may be used to change the direction of the laser and focus the laser at the tube ends. In addition, a crimping device is used to compress a single flexible tube for disconnection. The laser strikes the compressed area. The crimping device continues to pinch the area and forms a seal in the tube. The tube is separated into two tube segments, each segment has a sealed end.Type: GrantFiled: January 31, 2002Date of Patent: July 5, 2005Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: Frank J. Landherr, John A. Biewer, Shahid Din, David Do, Rick Gilbert, James J. Alberti, David W. Pennington, Joe Romack
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Patent number: 6835186Abstract: This invention provides a medical device for delivering volumetric quantities of a first and a second biochemically reactive fluid in which separate MBUs atomize the fluids. The device of the present invention includes a fluid delivery device for laparoscopically delivering fluids having two feed conduits for delivering fluid to feed ports of the mechanical breakup units, the mechanical breakup units having two feed ports for receiving fluid from the feed conduits and directing such fluid into spin chambers and funneling portions having a sloped sidewall for directing fluid from the spin chambers through an exit port. The device is suitably dimensioned for creating a spray of two fluids with different viscosities such as fibrinogen and thrombin in such a manner that the thrombin spray cone encompasses the fibrinogen spray cone at a distance of about one inch from the exit port with a 0.5 cc/second flow rate to avoid depositing unreacted fibrinogen on a surface.Type: GrantFiled: September 26, 2000Date of Patent: December 28, 2004Assignee: Baxter International, Inc.Inventors: David W. Pennington, Atif M. Yardimci, David Amrani, Arnold C. Bilstad, Yves A. Delmotte, James P. Diorio, Robert L. Petersen, Joseph F. Prybell, James Slepicka, Cristina Stadler, John Womelsdorf
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Patent number: 6712095Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: GrantFiled: October 7, 2002Date of Patent: March 30, 2004Assignee: Baxter International Inc.Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Patent number: 6679288Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: GrantFiled: October 7, 2002Date of Patent: January 20, 2004Assignee: Baker International Inc.Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, David W. Pennington
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Patent number: 6672333Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: GrantFiled: October 7, 2002Date of Patent: January 6, 2004Assignee: Baxter International Inc.Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Patent number: 6604545Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: GrantFiled: October 7, 2002Date of Patent: August 12, 2003Assignee: Baxter International Inc.Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030141009Abstract: A laser strikes and aseptically heats or sterilizes the end of two flexible tube ends for connection. Tube holders are pushed toward each other to bring the tube ends into contact. A weld detector checks the characteristics of the weld. A laser optics assembly may be used to change the direction of the laser and focus the laser at the tube ends. In addition, a crimping device is used to compress a single flexible tube for disconnection. The laser strikes the compressed area. The crimping device continues to pinch the area and forms a seal in the tube. The tube is separated into two tube segments, each segment has a sealed end.Type: ApplicationFiled: January 31, 2002Publication date: July 31, 2003Inventors: Frank J. Landherr, John A. Biewer, Shahid Din, David Do, Rick Gilbert, James J. Alberti, David W. Pennington, Joe Romack
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Patent number: 6550493Abstract: A vacuum demand value (10) is capable of delivering a flowable material. The valve (10) has a housing (11) having a proximal end (14), a distal end (16), an intermediate segment (18) therebetween defining a passageway (24) wherein the flowable substance can flow from the proximal end (14) to the distal end (16). The housing (11) can be tubing. A valve member (20) is located along the intermediate segment (18). The valve member (20) has a closed condition wherein the flowable material from the proximal end (14) to the distal end (16) is stopped and an open condition wherein the flow of the flowable material from the proximal end (14) to the distal end (16) is unstopped. The valve member (20) is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway (24) for placing the valve member (20) in the open condition.Type: GrantFiled: June 13, 2001Date of Patent: April 22, 2003Assignee: Baxter International Inc.Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030037820Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: October 7, 2002Publication date: February 27, 2003Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030029501Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: October 7, 2002Publication date: February 13, 2003Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030029502Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: October 7, 2002Publication date: February 13, 2003Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030029503Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: October 7, 2002Publication date: February 13, 2003Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030029500Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: October 7, 2002Publication date: February 13, 2003Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20030024575Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: October 7, 2002Publication date: February 6, 2003Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Publication number: 20020189684Abstract: A vacuum demand valve for delivering a flowable material is disclosed. The valve has a housing having a proximal end, a distal end, an intermediate segment therebetween defining a passageway wherein the flowable substance can flow from the proximal end to the distal end. The housing can be a tubing. A valve member is located along the intermediate segment. The valve member has a closed condition wherein the flow of the flowable material from the proximal end to the distal end is stopped and an open condition wherein the flow of the flowable material from the proximal end to the distal end is unstopped. The valve member is biased in the closed condition and is responsive to a partial vacuum provided by the user through the passageway for placing the valve member in the open condition.Type: ApplicationFiled: June 13, 2001Publication date: December 19, 2002Inventors: Mark E. Williamson, Scott R. Ariagno, Alan W. Marttila, Arnold C. Bilstad, Paul M. DiPerna, Michael R. Prisco, David W. Pennington, Atif M. Yardimci, Sidney T. Smith, Mark C. Perry, Marc Bellotti
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Patent number: 6461325Abstract: This invention provides a medical device for delivering volumetric quantities of a first and a second biochemically reactive fluid comprising a first container having an opening, the first container being adapted to contain the first biochemically reactive fluid; a second container having a second fluid opening adjacent the first fluid opening, the second container being adapted to contain the second biochemically reactive fluid; a spray unit for separately atomizing the first and second biochemically reactive fluids into an aerosol with at least one energy source of a liquid energy, a mechanical energy, a vibration energy, and an electric energy; a fluid pressurizer for pressurizing the first and the second biochemically reactive fluids for delivery under pressure through the spray unit onto a surface; and wherein the first and second biochemically reactive fluids first mix on the surface.Type: GrantFiled: August 31, 1999Date of Patent: October 8, 2002Assignee: Baxter International Inc.Inventors: Yves Delmotte, Arnold Bilstad, David Amrani, James DiOrio, Atif M. Yardimci, David W. Pennington, James S. Slepicka, Cristina Stadler