Patents by Inventor Slobodan Stefanov
Slobodan Stefanov 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: 11986642Abstract: A needle shield remover for assembly with a cap of a medicament delivery device is presented where the needle shield remover has a main body, at least a flexible first grabber, and at least a flexible second grabber. The first grabber and second grabber extend from the main body and are inclined in relation to the longitudinal axis of the needle shield remover such that they cross each other to form a receiving space configured to receive a delivery member shield.Type: GrantFiled: September 12, 2019Date of Patent: May 21, 2024Assignee: SHL MEDICAL AGInventor: Slobodan Stefanov
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Patent number: 11951287Abstract: A pneumatic power pack for a medicament delivery device is presented having a pressurized gas container storing pressurized gas and an activation assembly for releasing the pressurized gas from the gas source. The activation assembly including a rupturer having a sharp end, an activator, and a rotator coupled with the activator and the gas container. The activator is configured to move from a first position toward a second position to causes a rotation of the rotator which then drives the gas source towards the sharp end of the rupturer to release the pressurized gas.Type: GrantFiled: September 12, 2019Date of Patent: April 9, 2024Assignee: SHL MEDICAL AGInventor: Slobodan Stefanov
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Publication number: 20240108812Abstract: This application describes syringe carriers for medicament delivery devices such as autoinjectors. In particular, an example syringe carrier is tubular and extends along a longitudinal axis from a proximal end to a distal end, the syringe carrier comprising a base section at the distal end of the syringe carrier, the base section having a fixed circumference, at least one arm extending towards the proximal end of the syringe carrier from the base section, and an expandable ring attached to the proximal end of the at least one arm, wherein the ring extends entirely around the longitudinal axis of the syringe carrier in the circumferential direction. Various other syringe carriers and associated medicament delivery devices and methods are described.Type: ApplicationFiled: December 21, 2021Publication date: April 4, 2024Inventors: Daniel Säll, Daniel Carlsson, Slobodan Stefanov, Ming-Ting Yin, Justin Stewart
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Publication number: 20230372622Abstract: A drug delivery device configured to provide a dose of a first medicament followed by a dose of a second medicament is disclosed. The device includes a main exterior body and an interior body. The device further includes a dual-chamber reservoir with (i) a first chamber holding the first medicament and (ii) a second chamber holding the second medicament. The device also includes a needle and a plunger. After activation of the device, the plunger is configured to (i) move the dual-chamber reservoir a given distance in a distal direction with respect to the interior body so that a distal end of the needle extends out of the interior body and (ii) after moving the dual-chamber reservoir the given distance, move in the distal direction with respect to the dual-chamber reservoir so as to eject from the needle the first medicament followed by the second medicament.Type: ApplicationFiled: July 31, 2023Publication date: November 23, 2023Inventor: Slobodan Stefanov
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Publication number: 20230302223Abstract: A medicament delivery device package assembly is provided having a body defining an interior reservoir for containing a medicament delivery device; a motion sensor attached to the body; wherein the medicament delivery device package assembly is configured to be placed in a storage unit with a door; wherein the door is movable between a closed position where an inner space of the storage unit is covered by the door and an open position where the inner space of the storage unit is not covered by the door; and wherein the motion sensor is configured to detect an opening movement of the door from the closed position to the open position.Type: ApplicationFiled: August 12, 2021Publication date: September 28, 2023Inventors: Ramazan Gurkan Demirozer, Slobodan Stefanov, Ramin Rafiei
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Patent number: 11752268Abstract: A drug delivery device configured to provide a dose of a first medicament followed by a dose of a second medicament is disclosed. The device includes a main exterior body and an interior body. The device further includes a dual-chamber reservoir with (i) a first chamber holding the first medicament and (ii) a second chamber holding the second medicament. The device also includes a needle and a plunger. After activation of the device, the plunger is configured to (i) move the dual-chamber reservoir a given distance in a distal direction with respect to the interior body so that a distal end of the needle extends out of the interior body and (ii) after moving the dual-chamber reservoir the given distance, move in the distal direction with respect to the dual-chamber reservoir so as to eject from the needle the first medicament followed by the second medicament.Type: GrantFiled: October 18, 2022Date of Patent: September 12, 2023Assignee: SHL MEDICAL AGInventor: Slobodan Stefanov
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Publication number: 20230166046Abstract: A drive mechanism for a delivery device is presented containing, a rotator having an outer surface and an inner surface, the rotator configured to rotate from a first position to a second position. A needle cover having an inner surface that engages the outer surface of the rotator. A rotatable plunger rod having an outer surface configured to engage the inner surface of the rotator. When the rotator rotates from the first position to the second position, the rotatable plunger rod is rotated by the rotator and a plunger rod spring is released from a pre-tensioned state to exert a force on the rotatable plunger rod.Type: ApplicationFiled: January 11, 2023Publication date: June 1, 2023Inventors: Jason Frost, Slobodan Stefanov
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Publication number: 20230154604Abstract: A hub device configured to enable wireless communication between portable medical devices and an external device, where the hub device has a radio transceiver device configured to receive portable medical device data from each portable medical device and configured to transmit received portable medical device data to the external device, an energy storage unit configured to power the radio transceiver device, and an energy harvesting circuit configured to harvest radio frequency energy to charge the energy storage unit, wherein the hub device is configured to communicate with the portable medical devices using a protocol that for each portable medical device enables a unique portable medical device identifier to be included in the portable medical device data, and wherein the hub device has processing circuitry configured to establish a communications link with a portable medical device if the processing circuitry confirms recognition of the unique portable medical device identifier received from the portableType: ApplicationFiled: April 21, 2021Publication date: May 18, 2023Inventor: Slobodan Stefanov
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Publication number: 20230145128Abstract: The present disclosure provides a medicament delivery device including a housing, a skin sensor positioned at least partially within the housing, and a transmitter positioned within the housing. The medicament delivery device is configured to determine, via the skin sensor, whether or not the medicament delivery device is attached to the skin of the user. In response to a determination that the medicament delivery device is attached to the skin of the user, the medicament delivery device prevents transmission of unique identification data associated with the medicament delivery device and/or the user from the transmitter. In response to a determination that the medicament delivery device is not attached to the skin of the user, the medicament delivery device transmits, via the transmitter, the unique identification data to one or more external receivers.Type: ApplicationFiled: April 29, 2021Publication date: May 11, 2023Inventors: Ramazan Gurkan Demirozer, Slobodan Stefanov
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Publication number: 20230119615Abstract: Pads for attaching medicament delivery devices such as autoinjectors to an injection site are presented that include a pad extending along an axis from a proximal end to a distal end, where the proximal end is the end of the pad adjacent to an injection site when the pad is in use, the pad can have an attachment portion configured to receive a medicament delivery device and a second attachment portion attached to the attachment portion, wherein the second attachment portion is arranged at the proximal end of the pad, and wherein the second attachment portion is configured to attach the pad to said injection site when the pad is in use.Type: ApplicationFiled: March 24, 2021Publication date: April 20, 2023Inventors: Marcel Pena, Hsueh-Yi Chen, Slobodan Stefanov
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Patent number: 11612700Abstract: A drive mechanism for a delivery device is presented containing, a rotator having an outer surface and an inner surface, the rotator configured to rotate from a first position to a second position. A needle cover having an inner surface that engages the outer surface of the rotator. A rotatable plunger rod having an outer surface configured to engage the inner surface of the rotator. When the rotator rotates from the first position to the second position, the rotatable plunger rod is rotated by the rotator and a plunger rod spring is released from a pre-tensioned state to exert a force on the rotatable plunger rod.Type: GrantFiled: February 2, 2017Date of Patent: March 28, 2023Assignee: SHL MEDICAL AGInventors: Jason Frost, Slobodan Stefanov
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Publication number: 20230090486Abstract: A needle insertor for a medicament delivery device is presented having a driver having a first part movably arranged within the case and a second part connected to the base, a needle assembly movably held by the first part in the case, a rotator arranged in the case and configured to engage the first part for moving the driver, an energy accumulation member configured to interact with the rotator for applying a rotational force on the rotator, a movable stop arranged on the base and configured to interact with the rotator for preventing the rotator from rotating. The first part has a first position where the needle assembly is held inside the case, a second position where the needle portion is positioned outside the case after being moved to pass through the injection site end, and a third position where the needle portion is positioned inside the case.Type: ApplicationFiled: November 16, 2022Publication date: March 23, 2023Inventors: Slobodan Stefanov, Johnathan Weiss
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Publication number: 20230038441Abstract: A drug delivery device configured to provide a dose of a first medicament followed by a dose of a second medicament is disclosed. The device includes a main exterior body and an interior body. The device further includes a dual-chamber reservoir with (i) a first chamber holding the first medicament and (ii) a second chamber holding the second medicament. The device also includes a needle and a plunger. After activation of the device, the plunger is configured to (i) move the dual-chamber reservoir a given distance in a distal direction with respect to the interior body so that a distal end of the needle extends out of the interior body and (ii) after moving the dual-chamber reservoir the given distance, move in the distal direction with respect to the dual-chamber reservoir so as to eject from the needle the first medicament followed by the second medicament.Type: ApplicationFiled: October 18, 2022Publication date: February 9, 2023Inventor: Slobodan Stefanov
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Patent number: 11554213Abstract: A needle insertor for a medicament delivery device is presented having a driver having a first part movably arranged within the case and a second part connected to the base, a needle assembly movably held by the first part in the case, a rotator arranged in the case and configured to engage the first part for moving the driver, an energy accumulation member configured to interact with the rotator for applying a rotational force on the rotator, a movable stop arranged on the base and configured to interact with the rotator for preventing the rotator from rotating. The first part has a first position where the needle assembly is held inside the case, a second position where the needle portion is positioned outside the case after being moved to pass through the injection site end, and a third position where the needle portion is positioned inside the case.Type: GrantFiled: September 12, 2019Date of Patent: January 17, 2023Assignee: SHL MEDICAL AGInventors: Slobodan Stefanov, Johnathan Weiss
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Publication number: 20220387728Abstract: A cover assembly that covers a medicament delivery member of a medicament container. The assembly having a housing extending along a longitudinal axis, a proximal end and a distal end. A cover member bi-directionally movable along the longitudinal axis relative to the housing, where the cover member has a tubular portion arranged to protrude from the proximal end of the housing, a biasing element arranged between the housing and the cover member configured to move the cover member, a locking member having a fixed end which is pivotally arranged to the housing and a free end which is releasably connected to the cover member. The cover assembly also has an actuator unit connected to the housing configured to interact with the free end of the locking member such that the locking member is able to lock and unlock the cover member in different positions.Type: ApplicationFiled: October 29, 2020Publication date: December 8, 2022Inventors: Hsuan Wang, Jared Schwartzentruber, Yun-Ting Lee, Michael Sonntag, Slobodan Stefanov, Frederick Gertz
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Patent number: 11504477Abstract: A drug delivery device configured to provide a dose of a first medicament followed by a dose of a second medicament is disclosed. The device includes a main exterior body and an interior body. The device further includes a dual-chamber reservoir with (i) a first chamber holding the first medicament and (ii) a second chamber holding the second medicament. The device also includes a needle and a plunger. After activation of the device, the plunger is configured to (i) move the dual-chamber reservoir a given distance in a distal direction with respect to the interior body so that a distal end of the needle extends out of the interior body and (ii) after moving the dual-chamber reservoir the given distance, move in the distal direction with respect to the dual-chamber reservoir so as to eject from the needle the first medicament followed by the second medicament.Type: GrantFiled: October 2, 2017Date of Patent: November 22, 2022Assignee: SHL MEDICAL AGInventor: Slobodan Stefanov
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Patent number: 11484667Abstract: The present invention relates to a medicament delivery device comprising a housing, a biased medicament delivery member guard arranged movable in relation to the housing from a proximally extended position to a retracted position, a power pack comprising a plunger rod and a force element arranged to act on said plunger rod, which power pack is actuated by a release clip movable in relation to the housing and arranged to said plunger rod for releasably holding said plunger rod with the force element in a tensioned state; a rotator rotatably arranged inside said housing, which rotator is arranged with a guide element and a medicament delivery member guard lock element on its outer surface, wherein said medicament delivery member guard is arranged with release clip activation elements operably arranged to act on said release clip for releasing said plunger rod, and wherein said medicament delivery member guard is further arranged with a rotator activator element arranged to cooperate with said guide element forType: GrantFiled: January 16, 2020Date of Patent: November 1, 2022Assignee: SHL MEDICAL AGInventor: Slobodan Stefanov
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Publication number: 20220160960Abstract: An activation mechanism for an on-body medicament delivery device, wherein the activation mechanism comprises: an activation button structure configured to be moved between an initial position and an activation position, an activation pin sleeve, and a biased activation pin received by the activation pin sleeve, the activation pin being configured to be linearly movable from an initial retracted position relative to the activation pin sleeve to an extended position towards which the activation pin is biased, the activation button structure being configured to interact with the activation pin sleeve in the initial position to cause the activation pin sleeve to engage with and maintain the activation pin in the retracted position, and wherein the activation button structure is configured to interact with the activation pin sleeve when the activation button structure is moved linearly towards the activation position causing the activation pin sleeve to release the activation pin from the retracted position.Type: ApplicationFiled: April 8, 2020Publication date: May 26, 2022Inventors: Daniel Scott, Slobodan Stefanov
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Patent number: 11338096Abstract: The present disclosure relates to a medicament injection device (1) comprising a housing (3) arranged to receive a medicament container (11a), a needle cover (9) movable relative to the housing (3), from a retracted position, in which it engages the housing (3) and enables medicament delivery, to an extended position, a plunger rod (7), and a plunger driver (5) movable relative to the housing (3) from all initial position to a final position, and arranged to actuate the plunger rod (7), wherein the plunger rod (7) has a first guide arrangement and the housing (3) has a second guide arrangement, the first guide arrangement (7d) and the second guide arrangement being arranged to cooperate to guide movement of the plunger rod (7) relative to the housing (3), wherein the first guide arrangement and the second guide arrangement in a first stage provide a linear motion path for the plunger rod (7), enabling the plunger rod (7) to initially move in the axial direction and in a second stage provide a rotation motionType: GrantFiled: September 27, 2019Date of Patent: May 24, 2022Assignee: SHL MEDICAL AGInventors: Lucio Giambattista, Slobodan Stefanov
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Patent number: RE49369Abstract: A drug delivery device configured to provide a dose of medicament is disclosed. The drug delivery device includes a main housing, a syringe arranged in the main housing, and a pneumatic power pack arranged in the main housing. The pneumatic power pack includes a pressurized gas source storing pressurized gas, a valve for the pressurized gas source, a sleeve having an inner wall, and a plunger. The sleeve is configured to receive pressurized gas released from the pressurized gas source. The plunger is in sliding gas-tight engagement with the inner wall of the sleeve. Upon activation of the valve, the valve releases the pressurized gas, and the released pressurized gas flows into the sleeve and propels the plunger in a distal direction with respect to the sleeve and the syringe, so as to eject medicament from the syringe.Type: GrantFiled: November 4, 2020Date of Patent: January 17, 2023Assignee: SHL MEDICAL AGInventor: Slobodan Stefanov