Patents by Inventor Louis Woo
Louis Woo 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: 20210331346Abstract: An information bearing septum viewable under radiographic imaging is formed by molding a septum base to have a depression with a given configuration and molding a one-piece solid radiopaque material insert having the same given configuration. The radiopaque insert is mounted to the cavity formed by the depression at the septum base. The top of the septum is then covered by a silicone layer that bonds to the septum. The finished septum is adapted to be fitted to a reservoir housing of a subcutaneous implantable portal. In place of the solid insert, the septum may be formed by placing on top of the septum base a one-piece top layer impregnated with a radiopaque material that has an integral hanging insert that fittingly mounts into the cavity formed by the depression at the septum base.Type: ApplicationFiled: June 17, 2021Publication date: October 28, 2021Applicant: SMITHS MEDICAL ASD, INC.Inventors: Kristin Finberg, Cal Aaron Hoople, Amy Kubas, Ronald Gene Travis, Louis Woo
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Patent number: 9750396Abstract: A portal access device has a first member pivotally movable relative to a base. A groove is provided at the first member to be in alignment with a bore at the base, so that a cannula may freely extend through the bore, with a portion of the cannula being frictionally held along the groove of the first member. The first member may be rotatably connected to a second member, so that once the cannula is correctly inserted into a portal, the first member may be pivoted from its vertical position to its horizontal position to bend the cannula into a right angle cannula. The cannula is removed from the portal by pivoting the second member upwardly away from the base. In an alternate portal access device where there is only one arm member, the portal access device may be removed from the portal by being pulled vertically upwards.Type: GrantFiled: January 19, 2012Date of Patent: September 5, 2017Assignee: Smiths Medical ASD, Inc.Inventors: Christopher Andrew Larson, Daniel James Meydell, Michael Ryan Sande, Mark Wellington Darst Rice, Louis Woo
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Publication number: 20150100032Abstract: An information bearing septum viewable under radiographic imaging is formed by molding a septum base to have a depression with a given configuration and molding a one-piece solid radiopaque material insert having the same given configuration. The radiopaque insert is mounted to the cavity formed by the depression at the septum base. The top of the septum is then covered by a silicone layer that bonds to the septum. The finished septum is adapted to be fitted to a reservoir housing of a subcutaneous implantable portal. In place of the solid insert, the septum may be formed by placing on top of the septum base a one-piece top layer impregnated with a radiopaque material that has an integral hanging insert that fittingly mounts into the cavity formed by the depression at the septum base.Type: ApplicationFiled: September 25, 2014Publication date: April 9, 2015Applicant: SMITHS MEDICAL ASD, INC.Inventors: Kristin Finberg, Cal Aaron Hoople, Amy Kubas, Ronald Gene Travis, Louis Woo
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Publication number: 20130150680Abstract: A portal access device has a first member pivotally movable relative to a base. A groove is provided at the first member to be in alignment with a bore at the base, so that a cannula may freely extend through the bore, with a portion of the cannula being frictionally held along the groove of the first member. The first member may be rotatably connected to a second member, so that once the cannula is correctly inserted into a portal, the first member may be pivoted from its vertical position to its horizontal position to bend the cannula into a right angle cannula. The cannula is removed from the portal by pivoting the second member upwardly away from the base. In an alternate portal access device where there is only one arm member, the portal access device may be removed from the portal by being pulled vertically upwards.Type: ApplicationFiled: January 19, 2012Publication date: June 13, 2013Inventors: Christopher Andrew Larson, Daniel James Meydell, Michael Ryan Sande, Mark Wellington Darst Rice, Louis Woo
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Patent number: 8202289Abstract: A tracheostomy dilator moulded from a plastics material is formed with an S shape having a flexible, tapered patient end region for insertion to the trachea. A handle region at the opposite end has a substantially constant diameter along its length. A passage along the dilator receives a guide member, the tip of the patient end of the dilator making a stepless transition with the surface of the guide member.Type: GrantFiled: October 16, 2003Date of Patent: June 19, 2012Assignee: Smiths Group PLCInventor: Louis Woo
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Publication number: 20100244432Abstract: An end fitting (31) is formed at the patient end of an inner cannula (3) for a tracheostomy tube (1) by punching small holes (33) close to one end (34) of an ePTFE shaft (30). The end is then swaged to form an expanded region (30?) and a preformed tubular insert (40) of a thermoplastic material is inserted to cover the holes (33) on the inside. An outer part (46) of the same thermoplastic material is then overmoulded on the outside of the shaft 30 so that its material (47) flows through the holes (33) and bonds with the inner insert (40), thereby securing the inner and outer parts together around the end of the shaft.Type: ApplicationFiled: November 12, 2008Publication date: September 30, 2010Applicant: SMITHS GROUP PLCInventors: Simon Neame, louis Woo
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Patent number: 7156827Abstract: By interposing an adapter between the endotracheal or tracheal tube inserted to a patient and the ventilation and suction systems that are connected to the endotracheal tube, a catheter could be inserted via an input port built into the adapter so as to enable a medical personnel to provide localized treatments in the lungs of a patient without having to disconnect either one of the systems connected to the endotracheal tube. The adapter is configured to have a securing mechanism that allows the medical personnel to secure the medication catheter in place. A one way valve fitted to the apertured arm that forms the input port of the adapter prevents any back flow of fluid from the input port.Type: GrantFiled: April 22, 2003Date of Patent: January 2, 2007Assignee: Smiths Medical ASD, Inc.Inventors: Richard McNary, Lawrence P. Hudon, Louis Woo, Roddi J. Simpson
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Patent number: 6824531Abstract: A needle protective housing is fitted to the neck of a medicament container, for example a glass vial, that has a circumferential notch formed at a proximal portion of the neck. The needle protective device has a needle protective housing pivotally connected to a cup-shaped collar. The collar has a base that is formed by a plurality of coplanar extensions, that in turn form an aperture that allows the base to be press-fitted onto the neck of the vial. The extensions are each separated by a space, so that the extensions would give way when the collar is slidedly fitted along the length of the neck of the vial, until the extensions reach the notch at the proximal end of the neck of the vial where the extensions return to the original shape to thereby couple the collar to the vial. The circular wall upraised from the base of the collar is internally threaded for accepting the luer of a needle assembly, when the needle assembly is mated to the neck of the syringe.Type: GrantFiled: July 14, 2003Date of Patent: November 30, 2004Assignee: Smiths Medical ASD, Inc.Inventors: Frederick P. Zecha, Jr., Louis Woo
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Publication number: 20040087991Abstract: A tracheostomy dilator moulded from a plastics material is formed with an S shape having a flexible, tapered patient end region for insertion to the trachea. A handle region at the opposite end has a substantially constant diameter along its length. A passage along the dilator receives a guide member, the tip of the patient end of the dilator making a stepless transition with the surface of the guide member.Type: ApplicationFiled: October 16, 2003Publication date: May 6, 2004Inventor: Louis Woo
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Publication number: 20030216698Abstract: By interposing an adapter between the endotracheal or tracheal tube inserted to a patient and the ventilation and suction systems that are connected to the endotracheal tube, a catheter could be inserted via an input port built into the adapter so as to enable a medical personnel to provide localized treatments in the lungs of a patient without having to disconnect either one of the systems connected to the endotracheal tube. The adapter is configured to have a securing mechanism that allows the medical personnel to secure the medication catheter in place. A one way valve fitted to the apertured arm that forms the input port of the adapter prevents any back flow of fluid from the input port.Type: ApplicationFiled: April 22, 2003Publication date: November 20, 2003Inventors: Richard McNary, Lawrence P. Hudon, Louis Woo, Roddi J. Simpson
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Patent number: 6579254Abstract: By interposing an adapter between the endotracheal or tracheal tube inserted to a patient and the ventilation and suction systems that are connected to the endotracheal tube, a medication catheter could be inserted via an input port built into the adapter so as to enable a medical personnel to provide medicaments to a patient without having to disconnect either one of the systems connected to the endotracheal tube. The adapter is configured to have a securing mechanism that allows the medical personnel to secure the medication catheter in place. A one way valve fitted to the apertured arm that forms the input port of the adapter prevents any back flow of fluid from the input port.Type: GrantFiled: June 19, 2000Date of Patent: June 17, 2003Assignee: Portex, Inc.Inventors: Richard McNary, Lawrence P. Hudon, Louis Woo
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Patent number: 6575944Abstract: By interposing an adapter between the endotracheal or tracheal tube inserted to a patient and the ventilation and suction systems that are connected to the endotracheal tube, a catheter could be inserted via an input port built into the adapter so as to enable a medical personnel to provide localized treatments in the lungs of a patient without having to disconnect either one of the systems connected to the endotracheal tube. The adapter is configured to have a securing mechanism that allows the medical personnel to secure the medication catheter in place. A one way valve fitted to the apertured arm that forms the input port of the adapter prevents any back flow of fluid from the input port.Type: GrantFiled: October 27, 2000Date of Patent: June 10, 2003Assignee: Portex, Inc.Inventors: Richard McNary, Lawrence P. Hudon, Louis Woo, Roddi J. Simpson
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Patent number: D485358Type: GrantFiled: October 31, 2002Date of Patent: January 13, 2004Assignee: Smiths Group PLCInventor: Louis Woo