Patents by Inventor Jamieson W. Crawford

Jamieson W. Crawford 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).

  • Publication number: 20230415146
    Abstract: 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: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Patent number: 11786895
    Abstract: 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: Grant
    Filed: May 9, 2022
    Date of Patent: October 17, 2023
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Patent number: 11446447
    Abstract: A retractable needle assembly includes a housing having a sidewall defining a hollow bore, and an elongate plunger, the distal end of the plunger forming a reservoir within the hollow bore for containing a fluid therein. The plunger is adapted for slideable movement within the hollow bore. The assembly includes a hub disposed within the hollow bore and at least partially supporting a cannula therewith, and a needle retraction member engaged with the hub for manually selectable advancement with respect to a portion of the housing. The needle retraction member may be advanced from an initial position in which at least a portion of the needle is disposed outside the housing, to a retracted position in which the needle is fully surrounded by the housing. The elongate plunger may be advanced about the hub for extracting the fluid into the reservoir or expelling the fluid from the reservoir.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: September 20, 2022
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Robert G. Ellis
  • Publication number: 20220258157
    Abstract: 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: Application
    Filed: May 9, 2022
    Publication date: August 18, 2022
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Patent number: 11395613
    Abstract: A specimen collection assembly including a flow control member for adjustably altering a flow path is disclosed. In one configuration, the flow control member defines a regulation channel in fluid communication with a lumen of a cannula, wherein the flow control member is configured to adjustably alter an effective flow distance between the lumen of the cannula and an interior of an evacuated collection container. In another configuration, the flow control member is positioned to vary an effective cross-sectional area of at least one of an inlet port and an outlet port adapted to be in fluid communication with the lumen and the evacuated collection container.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: July 26, 2022
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Craig Owen Russ, Bradley M. Wilkinson
  • Patent number: 11351535
    Abstract: 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: Grant
    Filed: October 8, 2020
    Date of Patent: June 7, 2022
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Patent number: 11338088
    Abstract: A closure for use with a specimen collection container is disclosed. The closure includes a base portion having a first end adapted for engagement with an open end of the specimen collection container, and a second end adapted for receiving a portion of a syringe assembly therein. The closure also includes a luer fitting connected to the base portion and having at least one channel for venting an interior of the specimen collection container to atmosphere during introduction of a fluid specimen from the syringe assembly into the specimen collection container. The closure further includes a shielding portion connected to the base portion and adapted to transition from an open position in which fluid communication is established between the first end and the second end through the luer fitting, to a closed position in which the luer fitting is fully shielded by the shielding portion.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: May 24, 2022
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Bradley M. Wilkinson, C. Mark Newby, Jitendra Ghanekar
  • Patent number: 11318459
    Abstract: 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: Grant
    Filed: September 4, 2013
    Date of Patent: May 3, 2022
    Assignee: Becton, Dickinson and Company
    Inventors: Song Shi, Mei Yang, Klaus W. Berndt, Robert J. Losada, Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Publication number: 20210315497
    Abstract: 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: Application
    Filed: April 28, 2021
    Publication date: October 14, 2021
    Inventors: 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
  • Publication number: 20210228123
    Abstract: A closure for protectively sealing a biological fluid collection device is disclosed. The closure includes a cap and an adapter or connector. The closure of the present disclosure allows for connection to multiple different blood collection devices. In a first configuration, with the cap connected to the adapter, the closure may be connected to a first blood collection device. In a second configuration, with the cap disconnected from the adapter, the closure may be connected to a second blood collection device. An advantage of the closure of the present disclosure is that it enables a single closure device to accommodate a variety of connection options, hi one embodiment, the closure includes a barrier in communication with a portion of the cap, and the barrier protectively shields a portion of the stopper and/or protectively shields a portion of the cap.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Inventors: Anthony V. Torris, Jamieson W. Crawford
  • Publication number: 20210161446
    Abstract: A biological fluid collection system that includes a power source for a collection module that receives a sample and provides flow-through blood stabilization technology and a precise sample dispensing function for point-of-care and near patient testing applications is disclosed.
    Type: Application
    Filed: April 12, 2019
    Publication date: June 3, 2021
    Inventors: Milan Ivosevic, Adam Edelhauser, Anthony V. Torris, Bradley M. Wilkinson, Jamieson W. Crawford
  • Patent number: 11020033
    Abstract: 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: Grant
    Filed: August 30, 2018
    Date of Patent: June 1, 2021
    Assignee: Becton, Dickinson and Company
    Inventors: 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
  • Publication number: 20210023554
    Abstract: 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: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Patent number: 10888262
    Abstract: A regulator for in-line modulation of the flow rate of fluid during blood collection includes a fluid transfer device for transferring fluid from a patient to a collection device. The fluid transfer device comprises a fluid passageway defined by a tubular sidewall and a flexible member associated with a portion of the tubular sidewall. The flexible member is configured for movement with respect to the fluid passageway upon exposure of the fluid transfer device to a differential pressure during a blood collection procedure to prevent collapse of a patients blood vessel. The flexible member of the regulator can be a frame surrounding a flexible diaphragm. Alternatively, the flexible member can include a flexible material integrally formed within the tubular sidewall of the pressure regulator.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: January 12, 2021
    Assignee: Becton, Dickinson and Company
    Inventors: Craig Owen Russ, Neville Yu Leng Chia, Jamieson W. Crawford, Kenneth James Smith, Bradley M. Wilkinson
  • Patent number: 10807088
    Abstract: 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: Grant
    Filed: September 18, 2019
    Date of Patent: October 20, 2020
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Publication number: 20200229745
    Abstract: A specimen collection assembly including a flow control member for adjustably altering a flow path is disclosed. In one configuration, the flow control member defines a regulation channel in fluid communication with a lumen of a cannula, wherein the flow control member is configured to adjustably alter an effective flow distance between the lumen of the cannula and an interior of an evacuated collection container. In another configuration, the flow control member is positioned to vary an effective cross-sectional area of at least one of an inlet port and an outlet port adapted to be in fluid communication with the lumen and the evacuated collection container.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 23, 2020
    Inventors: Jamieson W. Crawford, Craig Owen Russ, Bradley M. Wilkinson
  • Patent number: 10646149
    Abstract: A specimen collection assembly (100) including a flow control member (106) for adjustably altering a flow path is disclosed. In one configuration, the flow control member (106) defines a regulation channel (166) in fluid communication with a lumen of a cannula (112), wherein the flow control member (106) is configured to adjustably alter an effective flow distance between the lumen of the cannula (112) and an interior of an evacuated collection container. In another configuration, the flow control member (106) is positioned to vary an effective cross-sectional area of at least one of an inlet port (346) and an outlet port (350) adapted to be in fluid communication with the lumen and the evacuated collection container.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: May 12, 2020
    Assignee: Becton, Dickinson and Company
    Inventors: Jamieson W. Crawford, Craig Owen Russ, Bradley M. Wilkinson
  • Patent number: 10588558
    Abstract: 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: Grant
    Filed: May 22, 2017
    Date of Patent: March 17, 2020
    Assignee: Becton, Dickinson and Company
    Inventors: 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
  • Publication number: 20200009552
    Abstract: 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: Application
    Filed: September 18, 2019
    Publication date: January 9, 2020
    Inventors: Jamieson W. Crawford, Ravi Attri, Christopher A. Battles, Benjamin R. Bartfeld, Gregory R. Hires
  • Patent number: 10478379
    Abstract: A biological sample containment system that includes a biological specimen collection container for collecting a biological sample and a label for the container is disclosed. In one embodiment, the label includes a first or front side and a second or rear side having a readable information portion. The label is affixable to the container by the second side and with the label affixed to the container, the readable information portion on the second side is readable through a portion of the container. By including readable information on the second or rear side of the label, the amount of readable information that can be included on the label is increased by using the previously unused rear side of the label.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: November 19, 2019
    Assignee: Becton, Dickinson and Company
    Inventors: Eric John Provencher, Craig Owen Russ, Bo Yon Lillian Yoo, Jamieson W. Crawford