Patents by Inventor Chee Leong Lum
Chee Leong Lum 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: 11679203Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: GrantFiled: December 11, 2020Date of Patent: June 20, 2023Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Patent number: 11478589Abstract: Medical device assemblies having a connection mechanism for securely connecting a hub to fluid storage containers in a luer slip relationship are described. An exemplary medical device includes a hub forming a cavity, a second indicating element disposed within the cavity that engages the hub. Additional features of the medical device include a second indicating element contoured to form a line contact with the hub. In a specific configuration, the hub includes a first indicating element attached to the hub and extending proximally into the cavity having a protrusion. In a more specific configuration, the medical device includes a fluid storage container that has an indication system for visually indicating optimal fluid-tight engagement of the hub and the fluid storage container.Type: GrantFiled: September 30, 2019Date of Patent: October 25, 2022Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Waheed Abid, Peter Douglas, Ivan Zivkovic
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Publication number: 20210146056Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: ApplicationFiled: December 11, 2020Publication date: May 20, 2021Applicant: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Patent number: 10898650Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: GrantFiled: September 13, 2018Date of Patent: January 26, 2021Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Patent number: 10576209Abstract: A syringe assembly having a flexible and/or slidable flange is provided, wherein in a pre-use or packaged state, the flange is positioned substantially parallel to a barrel of the syringe assembly resulting in the syringe assembly having a smaller packaging footprint. The smaller packaging footprint allows for a reduced storage space of the syringe assembly. Upon removal from a packaging and/or the storage space, the flange can be slid and locked into place such that the flange extends in a perpendicular direction with respect to a longitudinal axis of the barrel of the syringe assembly to allow for a traditional operation of the syringe assembly.Type: GrantFiled: September 28, 2018Date of Patent: March 3, 2020Assignee: Becton Dickinson FranceInventors: Chee Leong Lum, Eric Schiller
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Publication number: 20200023142Abstract: Medical device assemblies having a connection mechanism for securely connecting a hub to fluid storage containers in a luer slip relationship are described. An exemplary medical device includes a hub forming a cavity, a second indicating element disposed within the cavity that engages the hub. Additional features of the medical device include a second indicating element contoured to form a line contact with the hub. In a specific configuration, the hub includes a first indicating element attached to the hub and extending proximally into the cavity having a protrusion. In a more specific configuration, the medical device includes a fluid storage container that has an indication system for visually indicating optimal fluid-tight engagement of the hub and the fluid storage container.Type: ApplicationFiled: September 30, 2019Publication date: January 23, 2020Inventors: Chee Leong Lum, Waheed Abid, Peter Douglas, Ivan Zivkovic
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Patent number: 10426899Abstract: Medical device assemblies having a connection mechanism for securely connecting a hub to fluid storage containers in a luer slip relationship are described. An exemplary medical device includes a hub forming a cavity, a second indicating element disposed within the cavity that engages the hub. Additional features of the medical device include a second indicating element contoured to form a line contact with the hub. In a specific configuration, the hub includes a first indicating element attached to the hub and extending proximally into the cavity having a protrusion. In a more specific configuration, the medical device includes a fluid storage container that has an indication system for visually indicating optimal fluid-tight engagement of the hub and the fluid storage container.Type: GrantFiled: October 16, 2017Date of Patent: October 1, 2019Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Waheed Abid, Peter Douglas, Ivan Zivkovic
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Publication number: 20190030252Abstract: A syringe assembly having a flexible and/or slidable flange is provided, wherein in a pre-use or packaged state, the flange is positioned substantially parallel to a barrel of the syringe assembly resulting in the syringe assembly having a smaller packaging footprint. The smaller packaging footprint allows for a reduced storage space of the syringe assembly. Upon removal from a packaging and/or the storage space, the flange can be slid and locked into place such that the flange extends in a perpendicular direction with respect to a longitudinal axis of the barrel of the syringe assembly to allow for a traditional operation of the syringe assembly.Type: ApplicationFiled: September 28, 2018Publication date: January 31, 2019Inventors: Chee Leong Lum, Eric Schiller
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Publication number: 20190009035Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: ApplicationFiled: September 13, 2018Publication date: January 10, 2019Inventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Patent number: 10173011Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: GrantFiled: September 30, 2015Date of Patent: January 8, 2019Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Patent number: 10112014Abstract: A syringe assembly having a flexible and/or slidable flange is provided, wherein in a pre-use or packaged state, the flange is positioned substantially parallel to a barrel of the syringe assembly resulting in the syringe assembly having a smaller packaging footprint. The smaller packaging footprint allows for a reduced storage space of the syringe assembly. Upon removal from a packaging and/or the storage space, the flange can be slid and locked into place such that the flange extends in a perpendicular direction with respect to a longitudinal axis of the barrel of the syringe assembly to allow for a traditional operation of the syringe assembly.Type: GrantFiled: January 24, 2014Date of Patent: October 30, 2018Assignee: Becton Dickinson FranceInventors: Chee Leong Lum, Eric Schiller
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Publication number: 20180036493Abstract: Medical device assemblies having a connection mechanism for securely connecting a hub to fluid storage containers in a luer slip relationship are described. An exemplary medical device includes a hub forming a cavity, a second indicating element disposed within the cavity that engages the hub. Additional features of the medical device include a second indicating element contoured to form a line contact with the hub. In a specific configuration, the hub includes a first indicating element attached to the hub and extending proximally into the cavity having a protrusion. In a more specific configuration, the medical device includes a fluid storage container that has an indication system for visually indicating optimal fluid-tight engagement of the hub and the fluid storage container.Type: ApplicationFiled: October 16, 2017Publication date: February 8, 2018Inventors: Chee Leong Lum, Waheed Abid, Peter Douglas, Ivan Zivkovic
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Patent number: 9789265Abstract: Medical device assemblies having a connection mechanism for securely connecting a hub to fluid storage containers in a luer slip relationship are described. An exemplary medical device includes a hub forming a cavity, a second indicating element disposed within the cavity that engages the hub. Additional features of the medical device include a second indicating element contoured to form a line contact with the hub. In a specific configuration, the hub includes a first indicating element attached to the hub and extending proximally into the cavity having a protrusion. In a more specific configuration, the medical device includes a fluid storage container that has an indication system for visually indicating optimal fluid-tight engagement of the hub and the fluid storage container.Type: GrantFiled: November 11, 2014Date of Patent: October 17, 2017Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Waheed Abid, Peter Douglas, Ivan Zivkovic
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Patent number: 9295783Abstract: A syringe assembly includes a syringe barrel having an exterior surface, an inside surface defining a chamber, an open proximal end, a distal end, and an outlet disposed adjacent the distal end in fluid communication with the chamber; and a plunger assembly disposed at least partially within the syringe barrel. The plunger assembly includes an elongated plunger rod and a plunger head. The elongated plunger rod is associated with the plunger head to move the plunger head within the chamber of the syringe barrel through an injection cycle. The plunger rod is adapted to move from a collapsed position extending alongside the exterior surface of the syringe barrel to an extended position engaging the plunger head to move the plunger head through the injection cycle.Type: GrantFiled: December 16, 2013Date of Patent: March 29, 2016Assignee: Becton Dickinson FranceInventors: Chee Leong Lum, Eric Schiller
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Publication number: 20160038684Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: ApplicationFiled: September 30, 2015Publication date: February 11, 2016Inventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Patent number: 9174007Abstract: Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.Type: GrantFiled: April 19, 2010Date of Patent: November 3, 2015Assignee: Becton, Dickinson and CompanyInventors: Chee Leong Lum, Peter Douglas, Waheed Abid
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Publication number: 20150065957Abstract: Medical device assemblies having a connection mechanism for securely connecting a hub to fluid storage containers in a luer slip relationship are described. An exemplary medical device includes a hub forming a cavity, a second indicating element disposed within the cavity that engages the hub. Additional features of the medical device include a second indicating element contoured to form a line contact with the hub. In a specific configuration, the hub includes a first indicating element attached to the hub and extending proximally into the cavity having a protrusion. In a more specific configuration, the medical device includes a fluid storage container that has an indication system for visually indicating optimal fluid-tight engagement of the hub and the fluid storage container.Type: ApplicationFiled: November 11, 2014Publication date: March 5, 2015Inventors: Chee Leong Lum, Waheed Abid, Peter Douglas, Ivan Zivkovic
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Publication number: 20140142517Abstract: A syringe assembly having a flexible and/or slidable flange is provided, wherein in a pre-use or packaged state, the flange is positioned substantially parallel to a barrel of the syringe assembly resulting in the syringe assembly having a smaller packaging footprint. The smaller packaging footprint allows for reduced storage space of the syringe assembly. Upon removal from a packaging and/or storage space, the flange can be slid and locked into place such that it extends in a perpendicular direction with respect to a longitudinal axis of the barrel of the syringe assembly to allow for traditional operation of the syringe assembly.Type: ApplicationFiled: January 24, 2014Publication date: May 22, 2014Inventors: Chee Leong Lum, Eric Schiller
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Publication number: 20140100546Abstract: A syringe assembly includes a syringe barrel having an exterior surface, an inside surface defining a chamber, an open proximal end, a distal end, and an outlet disposed adjacent the distal end in fluid communication with the chamber; and a plunger assembly disposed at least partially within the syringe barrel. The plunger assembly includes an elongated plunger rod and a plunger head. The elongated plunger rod is associated with the plunger head to move the plunger head within the chamber of the syringe barrel through an injection cycle. The plunger rod is adapted to move from a collapsed position extending alongside the exterior surface of the syringe barrel to an extended position engaging the plunger head to move the plunger head through the injection cycle.Type: ApplicationFiled: December 16, 2013Publication date: April 10, 2014Inventors: Chee Leong Lum, Eric Schiller
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Patent number: 8636702Abstract: A syringe assembly having a collapsible or pivotable plunger rod with magnification properties is provided. In a pre-use or packaged state, the plunger rod is positioned substantially parallel to a barrel of the syringe assembly resulting in the syringe assembly having a reduced length and a smaller packaging footprint. The smaller packaging footprint allows for reduced storage space of the syringe assembly. Upon removal from a packaging and/or a storage space, the plunger rod can be slid or pivoted toward a proximal end of the syringe barrel and locked into place such that the syringe assembly is ready for use. The plunger rod can be shaped to provide magnification to indicia of the syringe barrel and/or contents. Alternatively, a separate magnification member can be associated with the plunger rod and/or secured about the syringe barrel.Type: GrantFiled: August 20, 2010Date of Patent: January 28, 2014Assignee: Beckton Dickinson France, S.A.S.Inventors: Eric Schiller, Chee Leong Lum, Flora Felsovalyi