Patents by Inventor Benjamin R. Bartfeld
Benjamin R. Bartfeld 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: 11944434Abstract: A container assembly is disclosed including an outer container, a hollow inner member, and a closure. The outer container has a closed bottom, an open top, and a sidewall extending therebetween. The hollow inner member is disposed within the outer container and has an inner surface defining at least one capillary channel. The inner member includes a first end adjacent to the open top of the outer container and has an outer periphery seated against the sidewall of the outer container. The closure has a proximal end and a distal end. The closure proximal end is seated at least partially within the first end of the inner member to seal the outer container and inner member and define a fluid collection chamber. The closure distal end defines a recessed area shaped to direct fluid under capillary action to the at least one capillary channel in the inner member.Type: GrantFiled: November 7, 2019Date of Patent: April 2, 2024Assignee: Becton, Dickinson and CompanyInventors: Benjamin R. Bartfeld, Bradley M. Wilkinson, Ajit Dastane
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Publication number: 20230415146Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 11786895Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: GrantFiled: May 9, 2022Date of Patent: October 17, 2023Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Publication number: 20220258157Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: ApplicationFiled: May 9, 2022Publication date: August 18, 2022Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 11351535Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: GrantFiled: October 8, 2020Date of Patent: June 7, 2022Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 11318459Abstract: A method for detecting the presence of a microorganism in a fluid sample is disclosed. The method includes providing a fluid specimen within a specimen collection container having a sidewall defining an interior therein. The interior includes a mechanical separator adapted for separating the fluid sample into first and second phases within the specimen collection container and a sensing element capable of detecting the presence of a microorganism disposed therein. The method includes subjecting the specimen collection container to applied rotational force to isolate a concentrated microorganism region. The method also includes detecting by a sensing element the presence or absence of a microorganism within the concentrated microorganism region.Type: GrantFiled: September 4, 2013Date of Patent: May 3, 2022Assignee: Becton, Dickinson and CompanyInventors: Song Shi, Mei Yang, Klaus W. Berndt, Robert J. Losada, Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Publication number: 20210315497Abstract: A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.Type: ApplicationFiled: April 28, 2021Publication date: October 14, 2021Inventors: Jamieson W. Crawford, Robert G. Ellis, Bradley M. Wilkinson, Benjamin R. Bartfeld, C. Mark Newby, Chee Leong Alvin Tan, Jon Moh, Tiong Yee Sim, Neville Yu Leng Chia
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Patent number: 11020033Abstract: A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.Type: GrantFiled: August 30, 2018Date of Patent: June 1, 2021Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Robert G. Ellis, Bradley M. Wilkinson, Benjamin R. Bartfeld, C. Mark Newby, Chee Leong Alvin Tan, Jon Moh, Tiong Yee Sim, Neville Yu Leng Chia
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Publication number: 20210023554Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: ApplicationFiled: October 8, 2020Publication date: January 28, 2021Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 10807088Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: GrantFiled: September 18, 2019Date of Patent: October 20, 2020Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 10588558Abstract: A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.Type: GrantFiled: May 22, 2017Date of Patent: March 17, 2020Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Bradley M. Wilkinson, Chee Leong Alvin Tan, Tiong Yee Sim, C. Mark Newby, Jon Yaohan Moh, Robert G. Ellis, Neville Yu Leng Chia, Benjamin R. Bartfeld
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Publication number: 20200069228Abstract: A container assembly is disclosed including an outer container, a hollow inner member, and a closure. The outer container has a closed bottom, an open top, and a sidewall extending therebetween. The hollow inner member is disposed within the outer container and has an inner surface defining at least one capillary channel. The inner member includes a first end adjacent to the open top of the outer container and has an outer periphery seated against the sidewall of the outer container. The closure has a proximal end and a distal end. The closure proximal end is seated at least partially within the first end of the inner member to seal the outer container and inner member and define a fluid collection chamber. The closure distal end defines a recessed area shaped to direct fluid under capillary action to the at least one capillary channel in the inner member.Type: ApplicationFiled: November 7, 2019Publication date: March 5, 2020Inventors: Benjamin R. Bartfeld, Bradley M. Wilkinson, Ajit Dastane
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Patent number: 10549272Abstract: A container for storing a biological sample for molecular diagnostic testing and/or histological testing is provided. The container includes a first chamber for receiving a sample holder therein, a second chamber, and a closure for enclosing the container. A breakable membrane, such as a piercable foil, extends within the container and separates the two chambers. When the breakable membrane is broken, fluid can pass between the first and second chambers. The membrane may be broken through an activator on the closure, such as a depressible member or a rotatable carrier, causing the sample holder to break through the membrane.Type: GrantFiled: May 23, 2017Date of Patent: February 4, 2020Assignee: Becton, Dickinson and CompanyInventors: Benjamin R. Bartfeld, C. Mark Newby
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Publication number: 20200009552Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: ApplicationFiled: September 18, 2019Publication date: January 9, 2020Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 10499840Abstract: A container assembly is disclosed including an outer container, a hollow inner member, and a closure. The outer container has a closed bottom, an open top, and a sidewall extending therebetween. The hollow inner member is disposed within the outer container and has an inner surface defining at least one capillary channel. The inner member includes a first end adjacent to the open top of the outer container and has an outer periphery seated against the sidewall of the outer container. The closure has a proximal end and a distal end. The closure proximal end is seated at least partially within the first end of the inner member to seal the outer container and inner member and define a fluid collection chamber. The closure distal end defines a recessed area shaped to direct fluid under capillary action to the at least one capillary channel in the inner member.Type: GrantFiled: February 16, 2016Date of Patent: December 10, 2019Assignee: Becton, Dickinson and CompanyInventors: Benjamin R. Bartfeld, Bradley M. Wilkinson, Ajit Dastane
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Patent number: 10456782Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: GrantFiled: February 5, 2018Date of Patent: October 29, 2019Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Patent number: 10376879Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: GrantFiled: February 5, 2018Date of Patent: August 13, 2019Assignee: Becton, Dickinson and CompanyInventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Publication number: 20190000366Abstract: A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.Type: ApplicationFiled: August 30, 2018Publication date: January 3, 2019Inventors: Jamieson W. Crawford, Robert G. Ellis, Bradley M. Wilkinson, Benjamin R. Bartfeld, C. Mark Newby, Chee Leong Alvin Tan, Jon Moh, Tiong Yee Sim, Neville Yu Leng Chia
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Publication number: 20180154356Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
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Publication number: 20180154355Abstract: A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires