Patents by Inventor Robert Wozencroft

Robert Wozencroft 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: 20190083110
    Abstract: A rotary cutter with hemispherical shaped head and a plurality of blades mounted in said head, wherein each of said blades has securement means for securing each blade in position in said head by interacting with an inner surface of said head.
    Type: Application
    Filed: November 7, 2016
    Publication date: March 21, 2019
    Inventor: Robert Wozencroft
  • Publication number: 20180325695
    Abstract: A holder system for an implantable device, said holder system comprising a first component arranged to act as a clamp and a second component arranged to interact with the first component to prevent movement of said first component when clamped.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Inventor: Robert Wozencroft
  • Publication number: 20180325696
    Abstract: A holder for an implantable acetabular cup implant, said holder comprising a body portion and at least one fastening means attached to the body portion which is operable in order to secure said holder to said implantable device.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Inventor: Robert Wozencroft
  • Publication number: 20180325527
    Abstract: A rotary cutter with a body comprising at least one portion comprising at least one cutting means, said cutter provided by a single metal component manufactured by additive manufacture.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Inventor: Robert Wozencroft
  • Patent number: 9821115
    Abstract: An autoinjector includes a rear body assembly (10) connected to a front body assembly, wherein the rear body assembly (10) contains a drive mechanism (60 . . . ) and the front body assembly contains a syringe (13) or cartridge with a needle at its forward end, the front body assembly including a viewing window (22) through which at least part of the contents of the syringe (13) or cartridge are visible, a removable cap (14) fitted to the forward end of the front body assembly the rear body assembly and the removable cap having respective aligned cut-away regions together defining a frame for the viewing window. Also disclosed is a modular scheme which uses a common platform for the provision of a range of autoinjectors of different fill volumes, with only the length of the plunger (60), and the axial extent of the cut out varying between different versions.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: November 21, 2017
    Assignee: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Patent number: 9713676
    Abstract: An autoinjector includes a body (10, 12), a syringe (13) or cartridge disposed within the body, and a plunger (60) moveable during operation between a first and a second position to effect an injection, the plunger including a transverse passage (66) containing a moveable magnetic element (68) of a magnetic pair, the body including another magnetic element (54) at a position such that, on the plunger reaching and/or nearing its second position, the magnetic attraction therebetween causes a sound-emitting impact, the plunger (60) including a magnetic keeper element (72) mounted adjacent the transverse passage and adapted to hold the movable magnetic element (68) against movement until attraction by the other magnetic pair element (54), wherein the keeper element (72) is disposed on the longitudinal axis.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: July 25, 2017
    Assignee: OWEN MUMFORD LIMITED
    Inventors: David Latham, Robert Wozencroft
  • Publication number: 20170173269
    Abstract: An autoinjector has a main body (10, 12) containing a syringe (13) or cartridge with a needle at its front end for being moved forwardly in the body to extend the needle from the body for an injection, the body housing in a forward region a shroud (24) having a forward portion of generally tubular form (32), the shroud being moveable longitudinally between a rearward retracted position and a forward extended position, the autoinjector further including a spring arrangement for biasing the shroud forwardly, the spring arrangement (44) including two springs disposed alongside and spaced from the longitudinal axis.
    Type: Application
    Filed: March 2, 2017
    Publication date: June 22, 2017
    Inventor: Robert WOZENCROFT
  • Patent number: 9616183
    Abstract: An autoinjector has a main body (10, 12) containing a syringe (13) or cartridge with a needle at its front end for being moved forwardly in the body to extend the needle from the body for an injection, the body housing in a forward region a shroud (24) having a forward portion of generally tubular form (32), the shroud being moveable longitudinally between a rearward retracted position and a forward extended position, the autoinjector further including a spring arrangement for biasing the shroud forwardly, the spring arrangement (44) including two springs disposed alongside and spaced from the longitudinal axis.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 11, 2017
    Assignee: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Patent number: 9597464
    Abstract: An autoinjector has a body portion (10, 12) containing a syringe (13) or cartridge with a needle at its forward end, the autoinjector having a drive arrangement (60 . . . ) for effecting operation of the autoinjector and including a drive element that moves from a first position to a second position during the operation, the body including a first (10) and a second body portion (12) connected together by a snap fit arrangement including a resiliently moveable latch finger (138) on one of the body portions that cooperates with a latch surface (142) on the other thereof to hold the two portions connected, wherein the drive element in the second position (60) limits or prevents resilient movement of the moveable latch finger (142), thereby preventing disconnection of the first and second body portions after operation.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: March 21, 2017
    Assignee: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Publication number: 20130338593
    Abstract: An autoinjector has a body (10, 12), a syringe (13) or cartridge having a needle at its forward end disposed in the body, a drive mechanism (60 . . . ) for being released on activation of a trigger element (18) to operate the autoinjector, the trigger element being mounted in a recess or opening in the body for movement relative to the body from a rest position to a fire position, wherein one of the trigger element and the adjacent surface of the body portion is provided with a contact surface (34) which is resiliently urgeable into sliding contact with a cooperating surface (36) on the other, to provide resistance to movement of the trigger towards the firing position.
    Type: Application
    Filed: December 22, 2011
    Publication date: December 19, 2013
    Inventor: Robert Wozencroft
  • Publication number: 20130331785
    Abstract: An autoinjector has a body portion (10, 12) containing a syringe (13) or cartridge with a needle at its forward end, the autoinjector having a drive arrangement (60 . . .) for effecting operation of the autoinjector and including a drive element that moves from a first position to a second position during the operation, the body including a first (10) and a second body portion (12) connected together by a snap fit arrangement including a resiliently moveable latch finger (138) on one of the body portions that cooperates with a latch surface (142) on the other thereof to hold the two portions connected, wherein the drive element in the second position (60) limits or prevents resilient movement of the moveable latch finger (142), thereby preventing disconnection of the first and second body portions after operation.
    Type: Application
    Filed: December 22, 2011
    Publication date: December 12, 2013
    Applicant: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Publication number: 20130331796
    Abstract: An autoinjector includes a body (10, 12), a syringe carrier (34) supporting a syringe (13) or cartridge with a needle at its forward end, for movement from a rearward position to a forward position to extend a needle, the syringe or cartridge having a barrel of generally cylindrical form having at a forward region thereof a forward facing abutment surface, wherein the syringe carrier is provided with a retention surface arranged to cooperate with the forward facing abutment surface on the syringe to prevent or limit forward movement of the syringe relative to the syringe carrier, the autoinjector further including a removable needle shield (15) releasably attached to the syringe or cartridge and shrouding the needle, a cap (14) attached to the forward end of the body and forwardly removable, the cap having a removal surface for engaging the needle shield whereby removal of the cap removes the needle shield.
    Type: Application
    Filed: December 22, 2011
    Publication date: December 12, 2013
    Applicant: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Publication number: 20130310758
    Abstract: An autoinjector has a main body (10, 12) containing a syringe (13) or cartridge with a needle at its front end for being moved forwardly in the body to extend the needle from the body for an injection, the body housing in a forward region a shroud (24) having a forward portion of generally tubular form (32), the shroud being moveable longitudinally between a rearward retracted position and a forward extended position, the autoinjector further including a spring arrangement for biasing the shroud forwardly, the spring arrangement (44) including two springs disposed alongside and spaced from the longitudinal axis.
    Type: Application
    Filed: December 22, 2010
    Publication date: November 21, 2013
    Applicant: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Publication number: 20130310745
    Abstract: An autoinjector includes a body (10, 12), a syringe (13) or cartridge disposed within the body, and a plunger (60) moveable during operation between a first and a second position to effect an injection, the plunger including a transverse passage (66) containing a moveable magnetic element (68) of a magnetic pair, the body including another magnetic element (54) at a position such that, on the plunger reaching and/or nearing its second position, the magnetic attraction therebetween causes a sound-emitting impact, the plunger (60) including a magnetic keeper element (72) mounted adjacent the transverse passage and adapted to hold the movable magnetic element (68) against movement until attraction by the other magnetic pair element (54), wherein the keeper element (72) is disposed on the longitudinal axis.
    Type: Application
    Filed: December 22, 2011
    Publication date: November 21, 2013
    Applicant: OWEN MUMFORD LIMITED
    Inventors: David Latham, Robert Wozencroft
  • Publication number: 20130310746
    Abstract: An autoinjector includes a rear body assembly (10) connected to a front body assembly, wherein the rear body assembly (10) contains a drive mechanism (60 . . . ) and the front body assembly contains a syringe (13) or cartridge with a needle at its forward end, the front body assembly including a viewing window (22) through which at least part of the contents of the syringe (13) or cartridge are visible, a removable cap (14) fitted to the forward end of the front body assembly the rear body assembly and the removable cap having respective aligned cut-away regions together defining a frame for the viewing window. Also disclosed is a modular scheme which uses a common platform for the provision of a range of autoinjectors of different fill volumes, with only the length of the plunger (60), and the axial extent of the cut out varying between different versions.
    Type: Application
    Filed: December 22, 2011
    Publication date: November 21, 2013
    Applicant: OWEN MUMFORD LIMITED
    Inventor: Robert Wozencroft
  • Publication number: 20100324582
    Abstract: A lancet device includes a main body in which is located a lancet drive shaft 20 having a lancet holder 22 at its front end. A front housing flap 12 is hinged to the front of the main body portion and opens to allow insertion/withdrawal of a lancet. A multi-function cocking/ejection element 16 is operable both to cock the drive shaft prior to firing and to eject a lancet from the lancet holder after firing. The cock/eject element also unlatches the front flap 12.
    Type: Application
    Filed: August 14, 2008
    Publication date: December 23, 2010
    Applicant: OWEN MUMFORD LIMITED
    Inventors: Clive Nicholls, Michael Robert Wozencroft
  • Publication number: 20070233136
    Abstract: An alignment guide for use in femoral head surgery comprising: support member comprising a cannulated rod; at least three locator arms at least a portion of at least one of which comprises a cantilever spring, each of said arms having a proximal end connected to the support member and a distal end having location means for location at the femoral head/neck junction, said at least three locator arms being spaced such that in use they extend around the femoral head and prevent relative movement between the alignment guide and the femoral head.
    Type: Application
    Filed: January 29, 2007
    Publication date: October 4, 2007
    Applicant: Finsbury (Development) Limited.
    Inventor: Robert Wozencroft
  • Publication number: 20070162039
    Abstract: An alignment guide includes locator arm having a proximal end connected to a support member and a distal end having location means for location on a high point of the femoral head. The locator arm also has a notch guard which in use will extend around at least a part of the femoral neck.
    Type: Application
    Filed: December 12, 2006
    Publication date: July 12, 2007
    Applicant: FINSBURY (DEVELOPMENT) LIMITED
    Inventor: Robert Wozencroft
  • Publication number: 20060293686
    Abstract: A cap used during the insertion of an acetabular cup prosthesis. The cap comprises an impaction plate having an upperside and an underside. The impaction plate comprises a plurality of separate sectors mutually connected at a connection point on the impaction plate by means of flanges. Each sector includes interlocking means which in use enable the impaction plate to be connected to an introduction tool. The cap also comprises at least one lug extending downwardly from the underside of each sector. The lug is located at the portion of the underside of the impaction plate which will in use enable the lug to be interconnected with a corresponding recess on an internal wall, an external wall or a rim of a prosthesis.
    Type: Application
    Filed: May 12, 2006
    Publication date: December 28, 2006
    Applicant: Finsbury (Development) Limited
    Inventors: Robert Wozencroft, Michael Tuke, Nicholas Hawson
  • Publication number: 20060058886
    Abstract: An alignment trial system for a hip prosthesis comprising: (a) a trial femoral prosthesis comprising a head component, a neck component and a stem component; and (b) a trial acetabular cup prosthesis wherein the head component of the trial femoral prosthesis and the trial acetabular cup prosthesis include interlocking engagement formations and wherein the trial acetabular cup prosthesis includes means to facilitate the formation of a bore in the pelvis.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 16, 2006
    Applicant: Finsbury (Development) Limited
    Inventor: Robert Wozencroft