Patents by Inventor Roy L. Barrus

Roy L. Barrus 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).

  • Patent number: 9539398
    Abstract: A medical needle shield apparatus is provided that includes a needle hub having a needle cannula extending therefrom. At least one shield is extensible from a retracted position to an extended position to enclose a distal end of the needle. The shield includes a binding member disposed within the shield and defines binding surfaces that form an aperture configured for slidable receipt of the inner needle. The binding member includes at least one drag inducing member that engages the inner needle during slidable receipt to create a drag force. The drag force facilitates rotation of the binding member such that the binding surfaces engage the inner needle to prevent slidable movement. The shield and/or hub includes a retention element engageable between the shield and hub and a sheath retention element. The hub includes a magnifier for viewing fluid flashback.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: January 10, 2017
    Assignee: Specialized Health Products, Inc.
    Inventors: F. Mark Ferguson, Donald D. Solomon, Roy L. Barrus, Jeremy W. Snow
  • Publication number: 20150032065
    Abstract: A medical needle shield apparatus is provided that includes a needle hub having a needle cannula extending therefrom. At least one shield is extensible from a retracted position to an extended position to enclose a distal end of the needle. The shield includes a binding member disposed within the shield and defines binding surfaces that form an aperture configured for slidable receipt of the inner needle. The binding member includes at least one drag inducing member that engages the inner needle during slidable receipt to create a drag force. The drag force facilitates rotation of the binding member such that the binding surfaces engage the inner needle to prevent slidable movement. The shield and/or hub includes a retention element engageable between the shield and hub and a sheath retention element. The hub includes a magnifier for viewing fluid flashback.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 29, 2015
    Inventors: F. Mark Ferguson, Donald D. Solomon, Roy L. Barrus, Jeremy W. Snow
  • Patent number: 8845584
    Abstract: A medical needle shield apparatus is provided that includes a needle hub having a needle cannula extending therefrom. At least one shield is extensible from a retracted position to an extended position to enclose a distal end of the needle. The shield includes a binding member disposed within the shield and defines binding surfaces that form an aperture configured for slidable receipt of the inner needle. The binding member includes at least one drag inducing member that engages the inner needle during slidable receipt to create a drag force. The drag force facilitates rotation of the binding member such that the binding surfaces engage the inner needle to prevent slidable movement. The shield and/or hub includes a retention element engageable between the shield and hub and a sheath retention element. The hub includes a magnifier for viewing fluid flashback.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: September 30, 2014
    Assignee: Specialized Health Products, Inc.
    Inventors: F. Mark Ferguson, Roy L. Barrus, Jeremy W. Snow, Donald D. Solomon
  • Patent number: 8844112
    Abstract: A medical needle shield apparatus is manufactured by positioning a portion of a friction plate or clip on a medical needle and then further orienting the remaining portion so that the tolerance is optimized for resetting the clip on the medical needle.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: September 30, 2014
    Assignee: Specialized Health Products, Inc.
    Inventors: Jeremy W. Snow, F. Mark Ferguson, Roy L. Barrus
  • Publication number: 20090048566
    Abstract: A medical needle shield apparatus is provided that includes a needle hub having a needle cannula extending therefrom. At least one shield is extensible from a retracted position to an extended position to enclose a distal end of the needle. The shield includes a binding member disposed within the shield and defines binding surfaces that form an aperture configured for slidable receipt of the inner needle. The binding member includes at least one drag inducing member that engages the inner needle during slidable receipt to create a drag force. The drag force facilitates rotation of the binding member such that the binding surfaces engage the inner needle to prevent slidable movement. The shield and/or hub includes a retention element engageable between the shield and hub and a sheath retention element. The hub includes a magnifier for viewing fluid flashback.
    Type: Application
    Filed: August 18, 2008
    Publication date: February 19, 2009
    Applicant: Specialized Health Products, Inc.
    Inventors: F. Mark Ferguson, Donald D. Solomon, Roy L. Barrus, Jeremy W. Snow
  • Publication number: 20090038135
    Abstract: A medical needle shield apparatus is manufactured by positioning a portion of a friction plate or clip on a medical needle and then further orienting the remaining portion so that the tolerance is optimized for resetting the clip on the medical needle.
    Type: Application
    Filed: April 18, 2006
    Publication date: February 12, 2009
    Inventors: Jeremy W. Snow, F. Mark Ferguson, Roy L. Barrus
  • Patent number: 7438703
    Abstract: A safety shield apparatus is disclosed which includes a needle having a distal portion defining a longitudinal axis which is angularly displaced relative to a longitudinal axis defined by a proximal portion of the needle. A shield is mounted with the needle and extensible, via a tubular needle guide movable along the needle, between a retracted position and an extended position. The apparatus may include a needle hub configured to support the proximal portion of the needle. The needle hub can include an appendage which may have at least one opening to facilitate manipulation thereof. A distal end of the shield can be attached to a planar contact surface. The shield may also include a latch engageable with the needle.
    Type: Grant
    Filed: December 6, 2001
    Date of Patent: October 21, 2008
    Assignee: Tyco Healthcare Group LP
    Inventors: Roy L. Barrus, David L. Thorne, Charles V. Owen, Donald D. Solomon, F. Mark Ferguson, Michael Thorne, Stephen Brown, Gale H. Thorne, Jr.
  • Patent number: 7413562
    Abstract: A medical needle shield apparatus is provided that includes a needle hub having a needle cannula extending therefrom. At least one shield is extensible from a retracted position to an extended position to enclose a distal end of the needle. The shield includes a binding member disposed within the shield and defines binding surfaces that form an aperture configured for slidable receipt of the inner needle. The binding member includes at least one drag inducing member that engages the inner needle during slidable receipt to create a drag force. The drag force facilitates rotation of the binding member such that the binding surfaces engage the inner needle to prevent slidable movement. The shield and/or hub includes a retention element engageable between the shield and hub and a sheath retention element. The hub includes a magnifier for viewing fluid flashback.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: August 19, 2008
    Assignee: Specialized Health Products, Inc.
    Inventors: F. Mark Ferguson, Donald D. Solomon, Roy L. Barrus, Jeremy W. Snow
  • Patent number: 7198618
    Abstract: Medical needle shield apparatus for covering a needle after use. In embodiments of this invention a shield with two or more segments hingedly connected to each other is movable from a retracted position where the needle is exposed, to an extended position where the shield extends beyond the end of the needle. The needle is affixed in a hub of a medical needle device, and the shield is articulated to the hub. At least one of the two or more segments has an open orifice through which the needle passes to form an axis of intersection about the needle. The shield includes a channel for covering the needle when the shield is linearly extended. One or more locks associated with one or more of the segments secures one or more of the segments relative to the shield in the extended position. A latch is also disposed on the distal segment for securing the distal segment relative to the shield when in the extended position.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: April 3, 2007
    Assignee: Tyco Healthcare Group LP
    Inventors: F. Mark Ferguson, Richard L. Fiser, James R. Curtis, Charles V. Owen, David L. Thorne, Mark A. Nelson, Roy L. Barrus, Gale H. Thorne, Jr., Eugene E. Weilbacher, Michael Thorne, Steven Brown, Donald Solomon
  • Patent number: 6949086
    Abstract: Medical needle shield apparatus for covering a needle after use. In embodiments of this invention a shield with two or more segments hingedly connected to each other is movable from a retracted position where the needle is exposed, to an extended position where the shield extends beyond the end of the needle. The needle is affixed in a hub of a medical needle device, and the shield is articulated to the hub. At least one of the two or more segments has an open orifice through which the needle passes to form an axis of intersection about the needle. The shield includes a channel for covering the needle when the shield is linearly extended. One or more locks associated with one or more of the segments secures one or more of the segments relative to the shield in the extended position.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: September 27, 2005
    Assignee: Tyco Healthcare Group LP
    Inventors: F. Mark Ferguson, Richard L. Fiser, James R. Curtis, Charles V. Owen, David L. Thorne, Mark A. Nelson, Roy L. Barrus, Gale H. Thorne, Jr., Eugene E. Weilbacher, Michael Thorne, Steven Brown, Donald Solomon
  • Publication number: 20040193120
    Abstract: Medical needle shield apparatus including a shield with two or more segments hingedly connected to each other and movable from a retracted position where the needle is exposed, to an extended position where the shield extends beyond the end of the needle. The needle is affixed in a hub of a medical needle device, and the shield is articulated to the hub. At least one of the two or more segments has an open orifice through which the needle passes to form an axis of intersection about the needle. The shield includes a channel for covering the needle when the shield is linearly extended. One or more locks associated with one or more of the segments secures one or more of the segments relative to the shield in the extended position. A latch is also disposed on the distal segment for securing the distal segment relative to the shield when in the extended position.
    Type: Application
    Filed: April 9, 2004
    Publication date: September 30, 2004
    Inventors: F. Mark Ferguson, Richard L. Fiser, James R. Curtis, Charles V. Owen, David L. Thorne, Mark A. Nelson, Roy L. Barrus, Gale H. Thorne, Eugene E. Weilbacher, Michael Thorne, Steven Brown, Donald Solomon
  • Publication number: 20040133167
    Abstract: A medical needle shield apparatus is provided that includes a needle hub having a needle cannula extending therefrom. At least one shield is extensible from a retracted position to an extended position to enclose a distal end of the needle. The shield includes a binding member disposed within the shield and defines binding surfaces that form an aperture configured for slidable receipt of the inner needle. The binding member includes at least one drag inducing member that engages the inner needle during slidable receipt to create a drag force. The drag force facilitates rotation of the binding member such that the binding surfaces engage the inner needle to prevent slidable movement. The shield and/or hub includes a retention element engageable between the shield and hub and a sheath retention element. The hub includes a magnifier for viewing fluid flashback.
    Type: Application
    Filed: December 18, 2003
    Publication date: July 8, 2004
    Inventors: F. Mark Ferguson, Donald D. Solomon, Roy L. Barrus, Jeremy W. Snow
  • Publication number: 20040049159
    Abstract: A safety shield apparatus is disclosed which includes a needle having a distal portion defining a longitudinal axis which is angularly displaced relative to a longitudinal axis defined by a proximal portion of the needle. A shield is mounted with the needle and extensible, via a tubular needle guide movable along the needle, between a retracted position and an extended position. The apparatus may include a needle hub configured to support the proximal portion of the needle. The needle hub can include an appendage which may have at least one opening to facilitate manipulation thereof. A distal end of the shield can be attached to a planar contact surface. The shield may also include a latch engageable with the needle.
    Type: Application
    Filed: September 10, 2003
    Publication date: March 11, 2004
    Inventors: Roy L. Barrus, David L. Thorne, Charles V. Owen, Donald D. Solomon, F. Mark Ferguson, Michael Thorne, Stephen Brown, Gale H. Thorne
  • Publication number: 20030229317
    Abstract: Medical needle shield apparatus for covering a needle after use. In embodiments of this invention a shield with two or more segments hingedly connected to each other is movable from a retracted position where the needle is exposed, to an extended position where the shield extends beyond the end of the needle. The needle is affixed in a hub of a medical needle device, and the shield is articulated to the hub. At least one of the two or more segments has an open orifice through which the needle passes to form an axis of intersection about the needle. The shield includes a channel for covering the needle when the shield is linearly extended. One or more locks associated with one or more of the segments secures one or more of the segments relative to the shield in the extended position.
    Type: Application
    Filed: June 11, 2003
    Publication date: December 11, 2003
    Inventors: F. Mark Ferguson, Richard L. Fiser, James R. Curtis, Charles V. Owen, David L. Thorne, Mark A. Nelson, Roy L. Barrus, Gale H. Thorne, Eugene E. Weilbacher, Michael Thorne, Steven Brown, Donald Solomon
  • Publication number: 20020072716
    Abstract: A safety shield apparatus is disclosed which includes a needle having a distal portion defining a longitudinal axis which is angularly displaced relative to a longitudinal axis defined by a proximal portion of the needle. A shield is mounted with the needle and extensible, via a tubular needle guide movable along the needle, between a retracted position and an extended position. The apparatus may include a needle hub configured to support the proximal portion of the needle. The needle hub can include an appendage which may have at least one opening to facilitate manipulation thereof. A distal end of the shield can be attached to a planar contact surface. The shield may also include a latch engageable with the needle.
    Type: Application
    Filed: December 6, 2001
    Publication date: June 13, 2002
    Applicant: Safety Syringe Corporation
    Inventors: Roy L. Barrus, David L. Thorne, Charles V. Owen, Donald D. Solomon, F. Mark Ferguson, Michael Thorne, Stephen Brown, Gale H. Thorne
  • Publication number: 20010039401
    Abstract: Medical needle shield apparatus for covering a needle after use. In embodiments of this invention a shield with two or more segments hingedly connected to each other is movable from a retracted position where the needle is exposed, to an extended position where the shield extends beyond the end of the needle. The needle is affixed in a hub of a medical needle device, and the shield is articulated to the hub. At least one of the two or more segments has an open orifice through which the needle passes to form an axis of intersection about the needle. The shield includes a channel for covering the needle when the shield is linearly extended. One or more locks associated with one or more of the segments secures one or more of the segments relative to the shield in the extended position. A latch is also disposed on the distal segment for securing the distal segment relative to the shield when in the extended position.
    Type: Application
    Filed: June 27, 2001
    Publication date: November 8, 2001
    Applicant: Safety Syringe Corporation
    Inventors: F. Mark Ferguson, Richard L. Fiser, James R. Curtis, Charles V. Owen, David L. Thorne, Mark A. Nelson, Roy L. Barrus, Gale H. Thorne, Eugene E. Weilbacher, Michael Thorne, Steven Brown, Donald Solomon
  • Patent number: 6197007
    Abstract: Disclosure of methods and apparatus providing bases for design of compact small bore medical needle retraction safety devices wherein actuators are displaced away from slender needle sheathing bodies to initiate a needle retraction cycle for safely containing a medical needle after use. Such actuation guards against inadvertent acts, such as depression of an actuator, which may result in untimely needle retraction. Four embodiments of the instant invention are disclosed. In one embodiment, needle retracting energy is stored as a medical needle is extended for use and is expended to retract the needle into safe containment. Other embodiments comprise power assist mechanisms which store energy during an initial phase of needle retraction to be used to enhance and assist needle retraction during a needle retraction completing phase.
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: March 6, 2001
    Inventors: David L. Thorne, Roy L. Barrus, Kendall P. Thorne, Gale H. Thorne
  • Patent number: 6063040
    Abstract: A practical, low cost safety device for phlebotomy. Preparation for operation of the device involves elongating an otherwise shortened-for-transport apparatus to extend a medical assembly and needle from a housing for use in a medical procedure. The act of elongating energizes an energy storing component and cocks a releasable latch. The energy storing component is preferably a vacuum drawing plunger and tube combination. When the medical procedure is complete, distortion of a portion of the housing causes powered retraction of the needle. After retraction, the needle is fully contained, permitting the device to be laid aside without fear of an inadvertent needle stick. The housing comprises a proximal barrel and a distal needle containment section. The barrel comprises a sampling tube stopper piercing cannula.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: May 16, 2000
    Assignee: Specialized Health Products, Inc.
    Inventors: Charles V. Owen, David L. Thorne, Gale H. Thorne, Roy L. Barrus
  • Patent number: 6050976
    Abstract: Disclosure of methods and apparatus providing bases for design of compact catheter insertion needle retraction safety devices wherein actuators are displaced away from slender needle sheathing bodies to initiate a needle retraction cycle for safely containing a catheter insertion needle after use. Such actuation guards against inadvertent acts, such as depression of an actuator, which may result in untimely needle retraction. Four embodiments of the instant invention are disclosed. In one embodiment, needle retracting energy is stored as a catheter insertion needle is extended for use and is expended to retract the needle into safe containment. Other embodiments comprise power assist mechanisms which store energy during an initial phase of needle retraction to be used to enhance and assist needle retraction during a needle retraction completing phase.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: April 18, 2000
    Assignee: Specialized Health Products, Inc.
    Inventors: David L. Thorne, Roy L. Barrus, Kendall P. Thorne, Gale H. Thorne