Patents Examined by Theodore Stigell
  • Patent number: 10022500
    Abstract: A method for filling a cylinder/piston unit (1) for a needle-free injector comprising a chamber (3) arranged in a cylinder (2), for receiving an injection solution (4), a front wall (5) having at least one nozzle borehole or an outlet element (6), and a second piston (7) arranged to move in the chamber. The chamber (3) is made in two parts with a first chamber (8) and a concentric second chamber (9) having a smaller cross section than the first chamber. A first piston (10) closes the first chamber (8) and the second piston closes the second chamber (9). The second piston comprises at least one flow channel (16) or the first chamber comprises at least one closable, axially oriented freeze-drying channel (34), and the second chamber (9) comprises at least one axially oriented flow channel (36), on the respective rear ends of the chambers (8, 9).
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: July 17, 2018
    Assignee: LTS LOHMANN THERAPIE—SYSTEME AG
    Inventor: Rudolf Matusch
  • Patent number: 10010706
    Abstract: The present disclosure relates to apparatus, assemblies, combinations, and methods for infusing fluids by hollow microneedles.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: July 3, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Bernard A. Gonzalez, Scott A. Burton, Jia Hu, Chin-Yee Ng, Ryan Patrick Simmers, Thomas J. Gilbert, Sean M. Burke, Robert A. Harkins, Larry A. Schleif
  • Patent number: 10010705
    Abstract: Provided is a device for the dispensing of powders of the type in which a generated gas flow entrains the powder to be dispensed and carries the powder from the device via a barrel. The barrel has a bore including a main portion with a continuous internal surface, and is characterized in that the length of the main portion is at least fifteen times its maximum internal diameter; and/or the internal bore of the main portion is tapered; and/or the barrel has an outwardly flared outlet portion.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: July 3, 2018
    Assignee: Mallinckrodt Pharma IP Trading D.A.C.
    Inventors: Paul Greenhalgh, Eliane Schutte
  • Patent number: 10010682
    Abstract: An auto-retracting hypodermic syringe has a housing extending axially to form a collar and housing interacting syringe components, an outer barrel is fixed within or forms part of the housing and an inner barrel is slidably mounted within the outer barrel for rearward movement within the outer barrel, the inner barrel has a mount for mounting a hypodermic needle on it or a needle already within a mount; a plunger has a piston on its distal end for withdrawing liquid dosage into the inner barrel when the plunger is pulled back and for injecting dosage when the plunger is pushed forward; axially-spaced, different-diameter discs on the plunger engage with radially pivoting, hinged latching arms formed on the proximal end of the housing and there are other associated latch members on the inner barrel and the housing which move inwards and outwards in correspondence with forward and rearward movements of the plunger; a coil spring is placed between the housing and inner barrel to exert needle retraction force agai
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: July 3, 2018
    Inventor: Timothy John Adam
  • Patent number: 10004889
    Abstract: A connector for use with a syringe or extension tubing, such as an enteral feeding syringe or tubing, is provided. The connector has features to effectively secure a syringe or extension tubing with the connector without contamination from a user.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: June 26, 2018
    Assignee: MEDELA HOLDING AG
    Inventor: Brian H. Silver
  • Patent number: 9993600
    Abstract: A wearable infusion pump assembly. The wearable infusion pump assembly includes a reservoir for receiving an infusible fluid and a fluid delivery system configured to deliver the infusible fluid from the reservoir to an external infusion set. The fluid delivery system includes a controller, a pump assembly for extracting a quantity of infusible fluid from the reservoir and providing the quantity of infusible fluid to the external infusion set, the pump assembly comprising a pump plunger, the pump plunger having distance of travel, the distance of travel having a starting position and an ending position, at least one optical sensor assembly for sensing the starting position and ending position of the pump plunger distance of travel and sending sensor output to the controller, and a first valve assembly configured to selectively isolate the pump assembly from the reservoir, wherein the controller receives the sensor output and determines the total displacement of the pump plunger.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: June 12, 2018
    Assignee: DEKA Products Limited Partnership
    Inventors: Gregory R. Lanier, Jr., Larry B. Gray, Richard J. Lanigan, Dean Kamen, Stephen L. Fichera, John M. Kerwin
  • Patent number: 9993595
    Abstract: A user-wearable patch pump system for delivery of insulin or other medicament can include a patch pump having a reusable drive unit and a replaceable and refillable cartridge. The cartridge can selectively attach to and be detached from the drive unit. The cartridge can initially be inserted onto the drive unit in a first orientation at an angle to the drive unit and then be rotated to align the cartridge with the drive unit and lock the cartridge in place on the drive unit to form the patch pump.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: June 12, 2018
    Assignee: Tandem Diabetes Care, Inc.
    Inventors: Michael Michaud, Philip Lamb, Michael Fitzgibbons
  • Patent number: 9993592
    Abstract: A cartridge system for delivery of medicament includes as membrane placed between two disk magnets that are housed within pump body inserts. The pump body inserts having flow channels and fluid openings are between two inlet/outlet members. The inlet/outlet members each having a fluid outlet component and fluid openings are securely engaged to two reservoirs containing fluid medicaments.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: June 12, 2018
    Assignee: Picolife Technologies, LLC
    Inventors: Farid Amirouche, Arash N. Attar, Matthew L. Cantwell
  • Patent number: 9981084
    Abstract: An infusion set has an integrated ballistic inserter that can insert a needle at a controlled high rate of speed to a depth to deliver content to the upper 3 mm of skin surface, and a skin securing, adhesive layer to secure the skin surface at the insertion site such that the inserter that can insert a needle without a risk of tenting of the skin surface. A driving spring of the ballistic inserter is captured within the ballistic inserter, and can be released by user operation, to insert a needle at such a controlled rate of speed.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: May 29, 2018
    Assignee: BECTON, DICKINSON AND COMPANY
    Inventors: Christopher J. Kadamus, Stephen J. Irwin, Serge Roux, Eric Bené
  • Patent number: 9981087
    Abstract: Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can have at least one opening and at least one pair of legs defining at least a portion of the at least one opening.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: May 29, 2018
    Assignee: AbbVie Inc.
    Inventors: Sherwin S. Shang, Joseph F. Julian, Chuan Li, Eduard N. Tsvirko, Edwin Chim, Shubha Chethan Somashekar, Esra Ozdaryal
  • Patent number: 9974560
    Abstract: A method for puncturing a pericardial membrane of a human patient, the method comprising inserting a needle into the chest of the human patient, detecting a phase of a mechanical activity of the heart of the human patient, advancing the needle toward the heart of the human patient in synchronization with the detected phase of the mechanical activity of the heart of the human patient, and repeating the detecting and advancing steps until the pericardial membrane of the human patient is punctured.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: May 22, 2018
    Inventor: Fawaz Alhumaid
  • Patent number: 9968374
    Abstract: A cannula insertion device includes a rigid elongated body having a first end and a second end, an insertion tip located at a first end of the rigid elongated body, a cannula holder located along the rigid elongated body between the first and second ends, the cannula holder being configured to receive, hold, and release a cannula that is at least partially deformable; and a cannula insertion device control means located at a second end of the rigid elongated body. A system for facilitating access to a surgical site via minimally invasive means includes a cannula insertion device and a cannula having a deformable flange at one end.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: May 15, 2018
    Inventor: Jason Hammond
  • Patent number: 9962490
    Abstract: An injection device with a feedback mechanism includes a housing for a medicament container having a stopper, a plunger rod for acting on the stopper, a button interactively connected to the plunger rod, an activation member having a flexible locking device releasably connected to the plunger rod, a drive force device, a locking member slideably between positions in which the locking member either completely or partially surrounds the flexible locking device, and a guide rod. Audible and tactile information that an injection has started is provided by the plunger rod's hitting the stopper.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: May 8, 2018
    Assignee: SHL GROUP AB
    Inventors: Sebastian Karlsson, Gunnar Elmén
  • Patent number: 9956286
    Abstract: Various embodiments of bulking or cushioning agents or material and related medical devices and methods are disclosed. For example, a method of performing a medical procedure in a tract of a body may include injecting a material in a liquid phase proximate a target site between a first tissue layer and a second tissue layer, allowing the material to transition from the liquid phase to the gel phase in response to a raise in temperature of the material to approximately at or above the predetermined temperature, and performing a surgical procedure on the target site. The material may have the liquid phase at temperatures below a predetermined temperature and a gel phase at temperatures approximately at or above the predetermined temperature.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: May 1, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Paul Scopton, Samuel Zhong, Yem Chin
  • Patent number: 9956114
    Abstract: An apparatus includes a microneedle that defines a lumen therethrough. The microneedle has a proximal end portion a distal end portion and a hub portion between the proximal end portion and the distal end portion. The proximal end portion is configured to be coupled to a medicament container, such as, for example a syringe. The portion of the lumen within the proximal end portion has a first diameter. The distal end portion is configured to pierce a target tissue. The portion of the lumen within the distal end portion has a second diameter smaller than the first diameter. The hub portion includes a surface configured to contact the target tissue when the distal end portion is disposed with the target tissue.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: May 1, 2018
    Assignee: CLEARSIDE BIOMEDICAL, INC.
    Inventors: Rafael Victor Andino, Christopher John Brooks, Vladimir Zarnitsyn, Harrison J. White
  • Patent number: 9956331
    Abstract: A device for expressing human breast milk has a breast shield for bearing against a mother's breast, a vacuum pump for generating a vacuum, a line which connects the vacuum pump to the breast shield and is intended for transmitting the vacuum generated to the breast shield, and a chamber. The line ends on the pump side in a first port of the chamber. The chamber has a second port for connection to a milk collecting container. The two ports in the chamber are connected to each other in terms of fluid communication. During the expressing operation, the line forms a milk line for transporting breast milk expressed in the breast shield to the chamber and from the chamber to the milk collecting container. The pump can be designed to be quiet and small.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: May 1, 2018
    Assignee: MEDELA HOLDING AG
    Inventors: Beda Weber, Etienne Furrer, André Schlienger, Brian H. Silver, Daniela Wäckerlin, Armin Felber
  • Patent number: 9945519
    Abstract: The present patent application relates to a dispense interface comprising a channel profile with at least two inlet channels and at least one outlet channel, wherein each of the at least two inlet channels is configured for fluid communication with a respective reservoir of at least two reservoirs, at least one top layer and one bottom layer, an intermediate layer structure arranged between the at least one top layer and one bottom layer, wherein intermediate layer structure is tightly laminated with the top layer and the bottom layer and wherein the intermediate layer structure comprises at least one intermediate layer comprising at least one recess for forming at least one part of the channel profile.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: April 17, 2018
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Frederic Laugere, Cristian Popa, Ben Impey, Andrew L. MacLeod
  • Patent number: 9943649
    Abstract: Automatic injection device includes a housing, a syringe, a plunger, and a syringe carrier. The housing includes a barrel between a first end and a second end. The barrel includes an elongated window to allow viewing of contents inside the housing. The syringe is disposed within the housing and has a reservoir. The plunger is at least partially disposed within the syringe and includes a visual indicator. The syringe carrier is disposed within the housing and configured to contain the syringe and displace the syringe within the housing between a first position and a second position. The syringe carrier can be substantially transparent. The syringe carrier can have first and second legs and an extension disposed therebetween, and at least a portion of the extension can be configured to align with the window and the reservoir when the syringe carrier is in the first position.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: April 17, 2018
    Assignee: AbbVie Inc.
    Inventors: Sherwin Shang, Eduard Tsvirko, Edwin Chim, Shubha Chethan Somashekar, Esra Ozdaryal, Joseph F. Julian, Chuan Li
  • Patent number: 9943675
    Abstract: A method of treating an occlusion at a treatment site within a patient's vasculature comprises providing an ultrasonic catheter. The ultrasonic catheter has a distal region, a proximal region opposite the distal region, a fluid delivery lumen having at least one opening in the distal region, and an ultrasound radiating member positioned within the distal region. The method further comprises positioning the ultrasonic catheter at the treatment site, such that at least a portion of the distal region is within the occlusion. The ultrasonic catheter further comprises passing a therapeutic compound through the fluid delivery lumen such that the therapeutic compound is delivered to the treatment site. The ultrasonic catheter further comprises emitting ultrasonic energy from the ultrasound radiating member. The emitted ultrasonic energy has an amplitude that is periodically varied between a low amplitude and a high amplitude.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: April 17, 2018
    Assignee: EKOS CORPORATION
    Inventors: George Keilman, Douglas R. Hansmann, Azita Soltani, Richard R. Wilson
  • Patent number: 9931470
    Abstract: An auto-injector device for administering a liquid pharmaceutical composition, in which an end-user can select between doses that the device is capable of delivering. The end-user choices that translate into the selected doses can be based on end-user perceived severity of symptoms, end-user weight and other such factors. In some embodiments the auto-injector is configured to administer the one chosen dose only. In other embodiments, the auto-injector can deliver second and subsequent doses up to full dose of the pharmaceutical composition disposed in the injector. The auto-injector can provide visual, audio, and tactile feedback, alone or in combination, to the user to indicate the dose selected, instructions for use, and when the dose has been administered.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: April 3, 2018
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Rajesh Kumar, Anil Namboodiripad