Patents by Inventor Stefan Hogdahl

Stefan Hogdahl 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: 11596742
    Abstract: The present invention relates to a medicament delivery device comprising a housing, arranged to accommodate a medicament container; a power unit arranged inside said housing, said power unit comprising a plunger rod, a drive spring operably arranged to act on the plunger rod and, which is, upon activation, operably arranged to act on said medicament container, an actuator comprising holding elements, capable of releasably holding said plunger rod with said drive spring in a tensioned state, and an actuator sleeve operably connected to said actuator for releasably locking said holding elements in a holding state; said medicament delivery device further comprising a medicament delivery member guard slidably movable in said housing and arranged to act on said actuator sleeve for setting said holding elements with said actuator sleeve in a first activation state; an activator unit arranged to be manually operated and, which is, operably connected to said plunger rod for setting said holding elements with said act
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: March 7, 2023
    Assignee: SHL MEDICAL AG
    Inventor: Stefan Högdahl
  • Publication number: 20210386934
    Abstract: The present invention relates to a medicament delivery device comprising a housing, arranged to accommodate a medicament container; a power unit arranged inside said housing, said power unit comprising a plunger rod, a drive spring operably arranged to act on the plunger rod and, which is, upon activation, operably arranged to act on said medicament container, an actuator comprising holding elements, capable of releasably holding said plunger rod with said drive spring in a tensioned state, and an actuator sleeve operably connected to said actuator for releasably locking said holding elements in a holding state; said medicament delivery device further comprising a medicament delivery member guard slidably movable in said housing and arranged to act on said actuator sleeve for setting said holding elements with said actuator sleeve in a first activation state; an activator unit arranged to be manually operated and, which is, operably connected to said plunger rod for setting said holding elements with said act
    Type: Application
    Filed: June 29, 2021
    Publication date: December 16, 2021
    Inventor: Stefan Högdahl
  • Patent number: 11077250
    Abstract: The present invention relates to a medicament delivery device comprising a housing (16, 18), arranged to accommodate a medicament container (26); a power unit (64) arranged inside said housing, said power unit comprising a plunger rod (112), a drive spring (114) operably arranged to act on the plunger rod (112) and, which is, upon activation, operably arranged to act on said medicament container (26), an actuator (90) comprising holding elements (94, 100), capable of releasably holding said plunger rod (1112) with said drive spring (114) in a tensioned state, and an actuator sleeve (76) operably connected to said actuator (90) for releasably locking said holding elements (94, 100) in a holding state; said medicament delivery device further comprising a medicament delivery member guard (34) slidably movable in said housing (16, 18) and arranged to act on said actuator sleeve (76) for setting said holding elements (94, 100) with said actuator sleeve (76) in a first activation state; an activator unit (124) arra
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: August 3, 2021
    Assignee: SHL MEDICAL AG
    Inventor: Stefan Hogdahl
  • Patent number: 10661019
    Abstract: A medicament delivery device having a housing, arranged to accommodate a medicament container and a power unit, where the power unit has a plunger rod, a drive spring, operably arranged to act on the plunger rod and on said medicament container, an actuator having holding elements that can releasably hold the plunger rod with said drive spring in a tensioned state, and an actuator sleeve operably connected to said actuator for releasably locking said holding elements in a holding state. The medicament delivery device also can have a medicament delivery member guard slidably movable in said housing that can act on said actuator sleeve for setting said holding elements with said actuator sleeve in a first activation state; an activator unit arranged to be manually operated and which is operably connected to said plunger rod for setting said holding elements with said actuator sleeve in a second activation state.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: May 26, 2020
    Assignee: SHL MEDICAL AG
    Inventor: Stefan Högdahl
  • Patent number: 10286157
    Abstract: A resettable and reusable auto-injector with a trigger having a pivot axis dividing an elongate body into distal and proximal portions. The proximal portion has a finger surface on an upper section and a bearing surface projecting downwardly configured to engage a button blocker to function as a safety feature to prevent premature firing of the auto-injector before a needle hider is pressed against an injection site.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: May 14, 2019
    Assignee: SHL MEDICAL AG
    Inventor: Stefan Högdahl
  • Patent number: 10130775
    Abstract: A medicament delivery device includes a housing having distal and proximal ends along a longitudinal axis. The housing is arranged to accommodate a medicament container and a delivery member connected to the container; a reloadable drive mechanism for acting on an accommodated container; a delivery member cover at the proximal end and slidable in relation to the housing along the axis; and a cover lock mechanism that includes a first lock member on an actuator movably arranged in relation to the housing and a second lock member on the cover. The first lock member engages the second lock member to block movement of the cover, and the actuator is movable in relation to the cover such that manually actuating the actuator generally transverse to the axis causes the first lock member to be moved out of engagement with the second lock member, thereby allowing the cover to be moved.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: November 20, 2018
    Assignee: Carebay Europe Limited
    Inventor: Stefan Högdahl
  • Publication number: 20180326158
    Abstract: A medicament delivery device having a housing, arranged to accommodate a medicament container and a power unit, where the power unit has a plunger rod, a drive spring, operably arranged to act on the plunger rod and on said medicament container, an actuator having holding elements that can releasably hold the plunger rod with said drive spring in a tensioned state, and an actuator sleeve operably connected to said actuator for releasably locking said holding elements in a holding state. The medicament delivery device also can have a medicament delivery member guard slidably movable in said housing that can act on said actuator sleeve for setting said holding elements with said actuator sleeve in a first activation state; an activator unit arranged to be manually operated and which is operably connected to said plunger rod for setting said holding elements with said actuator sleeve in a second activation state.
    Type: Application
    Filed: November 1, 2016
    Publication date: November 15, 2018
    Inventor: Stefan Högdahl
  • Patent number: 10052436
    Abstract: A medicament injection device arranged to receive a replaceable container subassembly includes front and rear housings releasably connectable to each other. A reloadable drive mechanism is accommodated in the rear housing for acting on the plunger of a replaceable container subassembly for expelling medicament. A needle hider front is slidably arranged within the front housing. A needle shield remover is arranged to connect with a needle shield of the replaceable container subassembly and to be removably inserted into a proximal end of the front housing through the needle hider front. The needle shield remover is adapted to interact with the reloadable drive mechanism such that a user can reload the drive mechanism.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: August 21, 2018
    Assignee: Carebay Europe Ltd
    Inventor: Stefan Högdahl
  • Publication number: 20180185583
    Abstract: The present invention relates to a medicament delivery device comprising a housing (16, 18), arranged to accommodate a medicament container(26); a power unit (64) arranged inside said housing, said power unit comprising a plunger rod (112), a drive spring (114) operably arranged to act on the plunger rod (112) and, which is, upon activation, operably arranged to act on said medicament container (26), an actuator (90) comprising holding elements (94, 100), capable of releasibly holding said plunger rod (1112) with said drive spring (114) in a tensioned state, and an actuator sleeve (76) operably connected to said actuator (90) for releasibly locking said holding elements (94, 100) in a holding state; said medicament delivery device further comprising a medicament delivery member guard (34) slidably movable in said housing (16, 18) and arranged to act on said actuator sleeve (76) for setting said holding elements (94, 100) with said actuator sleeve (76) in a first activation state; an activator unit (124) arran
    Type: Application
    Filed: June 27, 2016
    Publication date: July 5, 2018
    Inventor: Stefan Hogdahl
  • Publication number: 20170224928
    Abstract: A resettable and reusable auto-injector with a trigger having a pivot axis dividing an elongate body into distal and proximal portions. The proximal portion has a finger surface on an upper section and a bearing surface projecting downwardly configured to engage a button blocker to function as a safety feature to prevent premature firing of the auto-injector before a needle hider is pressed against an injection site.
    Type: Application
    Filed: October 22, 2014
    Publication date: August 10, 2017
    Applicant: Carebay Europe Ltd
    Inventor: Stefan Högdahl
  • Publication number: 20160213858
    Abstract: A medicament delivery device includes a housing having distal and proximal ends along a longitudinal axis. The housing is arranged to accommodate a medicament container and a delivery member connected to the container; a reloadable drive mechanism for acting on an accommodated container; a delivery member cover at the proximal end and slidable in relation to the housing along the axis; and a cover lock mechanism that includes a first lock member on an actuator movably arranged in relation to the housing and a second lock member on the cover. The first lock member engages the second lock member to block movement of the cover, and the actuator is movable in relation to the cover such that manually actuating the actuator generally transverse to the axis causes the first lock member to be moved out of engagement with the second lock member, thereby allowing the cover to be moved.
    Type: Application
    Filed: August 21, 2014
    Publication date: July 28, 2016
    Applicant: Carebay Europe Ltd
    Inventor: Stefan Högdahl
  • Publication number: 20150217057
    Abstract: A medicament injection device arranged to receive a replaceable container subassembly includes front and rear housings releasably connectable to each other. A reloadable drive mechanism is accommodated in the rear housing for acting on the plunger of a replaceable container subassembly for expelling medicament. A needle hider front is slidably arranged within the front housing. A needle shield remover is arranged to connect with a needle shield of the replaceable container subassembly and to be removably inserted into a proximal end of the front housing through the needle hider front. The needle shield remover is adapted to interact with the reloadable drive mechanism such that a user can reload the drive mechanism.
    Type: Application
    Filed: August 7, 2013
    Publication date: August 6, 2015
    Applicant: CAREBAY EUROPE LTD
    Inventor: Stefan Högdahl
  • Patent number: 9072838
    Abstract: The present invention relates to a medicament delivery device comprising a distal housing part (12), and a proximal housing part (10) adapted to receive a medicament container (14) comprising a movable stopper (15), wherein said housing parts are configured to be attached to each other; a threaded plunger rod (22) arranged within said medicament delivery device and being movable in the longitudinal direction of the device; wherein the medicament delivery device further comprises plunger force means (98) operably associated with said threaded plunger rod (22) and configured to exert both a torsion force and a tension force on said threaded plunger rod (22) for positioning the plunger rod in relation to the stopper and for avoiding drooling respectively.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: July 7, 2015
    Assignee: SHL Group AB
    Inventor: Stefan Hogdahl
  • Publication number: 20140107587
    Abstract: The present invention relates to a medicament delivery device comprising a distal housing part (12), and a proximal housing part (10) adapted to receive a medicament container (14) comprising a movable stopper (15), wherein said housing parts are configured to be attached to each other; a threaded plunger rod (22) arranged within said medicament delivery device and being movable in the longitudinal direction of the device; wherein the medicament delivery device further comprises plunger force means (98) operably associated with said threaded plunger rod (22) and configured to exert both a torsion force and a tension force on said threaded plunger rod (22) for positioning the plunger rod in relation to the stopper and for avoiding drooling respectively.
    Type: Application
    Filed: March 13, 2012
    Publication date: April 17, 2014
    Applicant: SHL GROUP AB
    Inventor: Stefan Hogdahl
  • Patent number: 8376997
    Abstract: The present invention relates to a device for expelling a predetermined quantity of medicament comprising driving means comprising an energy-accumulating member, a nut, and a driver for driving a pressure means; and activation means for activating said driving means wherein said pressure means comprises a movable wall part arranged inside a 2 container and a threaded plunger rod arranged to interact with said driving means for pushing said movable wall part forwardly, and wherein said activation means comprises a manually operated push button arranged on the front end of the device for promoting an ergonomic handling of the device and wherein said activation means are capable of interacting with said driving means in a stepwise mode; such that each time said push button is depressed said pressure means moves an step exerting pressure on the medicament inside the container and expelling a predetermined quantity of the medicament through the opening.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: February 19, 2013
    Assignee: SHL Group AB
    Inventors: Stefan Hogdahl, Anders Karlsson
  • Patent number: 8172797
    Abstract: The present invention relates to an injection device comprising a housing, a container containing medicament to be injected through a needle (34) attachable to said container, drive means (46) operatively acting on said container for injecting said medicament, the drive means comprising a gas spring (50), locking (57) and activating means (56) arranged to hold said gas spring in a loaded state, and when activated, releases said gas spring to inject said medicament.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: May 8, 2012
    Assignee: SHL Group AB
    Inventor: Stefan Högdahl
  • Patent number: 8152766
    Abstract: The present invention relates to a device for delivering medicament, comprising a container (12) arranged to contain medicament, which container further comprises an opening arranged to expel medicament from the container, pressure means (16, 18) arranged to exert pressure on the medicament inside the container (12) for expelling a certain predetermined quantity of the medicament through the opening, driving means (26, 42) for driving said pressure means (16, 18), and activation means (46) for activating said driving means (26, 42) wherein said device comprises pressure release means (20) which are adapted, arranged and designed such that, when the predetermined dose has been expelled through the opening, the pressure on the medicament is released.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: April 10, 2012
    Assignee: SHL Group AB
    Inventors: Anders Karlsson, Stefan Högdahl
  • Publication number: 20100298781
    Abstract: The present invention relates to a device for expelling a predetermined quantity of medicament comprising driving means comprising an energy-accumulating member, a nut, and a driver for driving a pressure means; and activation means for activating said driving means wherein said pressure means comprises a movable wall part arranged inside a 2 container and a threaded plunger rod arranged to interact with said driving means for pushing said movable wall part forwardly, and wherein said activation means comprises a manually operated push button arranged on the front end of the device for promoting an ergonomic handling of the device and wherein said activation means are capable of interacting with said driving means in a stepwise mode; such that each time said push button is depressed said pressure means moves an step exerting pressure on the medicament inside the container and expelling a predetermined quantity of the medicament through the opening.
    Type: Application
    Filed: April 15, 2008
    Publication date: November 25, 2010
    Applicant: SHL GROUP AB
    Inventors: Stefan Hogdahl, Anders Karisson
  • Publication number: 20100222742
    Abstract: The present invention relates to an injection device comprising a housing, a container containing medicament to be injected through a needle (34) attachable to said container, drive means (46) operatively acting on said container for injecting said medicament, the drive means comprising a gas spring (50), locking (57) and activating means (56) arranged to hold said gas spring in a loaded state, and when activated, releases said gas spring to inject said medicament.
    Type: Application
    Filed: October 7, 2008
    Publication date: September 2, 2010
    Applicant: SHL GROUP AB
    Inventor: Stefan Högdahl
  • Publication number: 20090281495
    Abstract: The present invention relates to a device for delivering medicament, comprising a container (12) arranged to contain medicament, which container further comprises an opening arranged to expel medicament from the container, pressure means (16, 18) arranged to exert pressure on the medicament inside the container (12) for expelling a certain predetermined quantity of the medicament through the opening, driving means (26, 42) for driving said pressure means (16, 18), and activation means (46) for activating said driving means (26, 42) wherein said device comprises pressure release means (20) which are adapted, arranged and designed such that, when the predetermined dose has been expelled through the opening, the pressure on the medicament is released.
    Type: Application
    Filed: August 15, 2007
    Publication date: November 12, 2009
    Applicant: SHL GROUP AB
    Inventors: Anders Karlsson, Stefan Högdahl