Patents Examined by Benjamin J Klein
-
Patent number: 11376355Abstract: A cannula for the circulation of a fluid in an artery, includes a main lumen conveying a volume of fluid towards a first distal end; an accessory lumen including at least one inner portion arranged inside the main lumen, including: a proximal end situated downstream from the proximal end of the main lumen so as to capture a fraction of the flow of fluid entering the main lumen; a bent portion modifying the direction of flow of the fluid flow captured by the accessory lumen with respect to the direction of flow of the fluid emerging from the first end; a second distal end situated upstream from the first distal end of the main lumen, emerging on a side opening of the cannula so as to direct the captured fraction of liquid in the modified direction of flow.Type: GrantFiled: November 14, 2017Date of Patent: July 5, 2022Assignee: ASSISTANCE PUBLIQUE HOPITAUX DE PARISInventor: Pierre Mordant
-
Patent number: 11376040Abstract: Systems and methods for delivering multiple ocular implants to reduce intraocular pressure are disclosed. The ocular implants can be implanted at multiple sites within a single human eye without requiring removal of the delivery apparatus from the eye. A system for delivering multiple ocular implants can include a plurality of implants, an external housing, and an introducer assembly. The external housing can provide access to an implant singulation actuator and an implant delivery actuator. The introducer assembly can comprise an auto-retracting introducer portion. The delivery apparatus can include an infinite activation mechanism/portion and/or a manual singulation mechanism/portion.Type: GrantFiled: September 14, 2018Date of Patent: July 5, 2022Assignee: Glaukos CorporationInventors: Charles Raymond Kalina, Jr., Todd N. Fjield, Douglas Daniel Crimaldi, Emma Claire Benjaminson, Tyler Joseph Brown, Richard William Martin
-
Patent number: 11364151Abstract: A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer.Type: GrantFiled: March 15, 2017Date of Patent: June 21, 2022Assignee: Smith & Nephew PLCInventor: Edward Yerbury Hartwell
-
Patent number: 11364327Abstract: A heat exchanger for an oxygenator device has multiple hollow fiber membranes that each have a hollow portion through which a heat medium passes, wherein the fibers are wound as a cylinder body. Each of the hollow fiber membranes follows a path between opposing ends of the cylinder body which is tilted with respect to a central axis of the cylinder body and is wound around the central axis of the cylinder body, wherein a tilt angle ? with respect to the central axis ranges from 22° to smaller than 67°, and wherein a constituent material of each of the hollow fiber membranes has a Young's modulus E ranging from 2.6 GPa to 0.07 GPa. During winding, the hollow fiber membranes are stretched according to a stretching rate between 0.5% and 3.0% and then fixed at the ends to maintain the stretching.Type: GrantFiled: February 12, 2019Date of Patent: June 21, 2022Assignee: TERUMO KABUSHIKI KAISHAInventors: Akira Gyoten, Ryuji Hiraguchi
-
Patent number: 11357951Abstract: Systems, devices and methods for draining and analyzing bodily fluids are disclosed in which a drainage assembly is configured to prevent negative pressure build-up. The drainage assembly generally includes a catheter which may include a drainage lumen, a reservoir, a venting mechanism in fluid communication with the drainage lumen and a positive pressure lumen, and a controller. The venting mechanism may further include a valve which is configured to maintain a closed position, as well as a vent in fluid communication with the valve, where the venting mechanism is configured to inhibit wetting of the vent from fluid within the drainage lumen.Type: GrantFiled: June 3, 2019Date of Patent: June 14, 2022Assignee: Potrero Medical, Inc.Inventors: Daniel R. Burnett, Rich Keenan, Dimitri Sokolov, Stephen Boyd, Martin Williams, Kondapavulur Venkateswara-Rao, Michelle Arney
-
Patent number: 11351064Abstract: A method and apparatus are disclosed for dressing a wound. The apparatus comprises an absorbent layer for absorbing wound exudate, a liquid impermeable, gas permeable filter layer over the absorbent layer, a cover layer comprising at least one orifice and a first liquid and gas permeable transmission layer underlying the absorbent layer. The transmission layer is in fluid communication with the filter layer.Type: GrantFiled: March 29, 2018Date of Patent: June 7, 2022Assignee: Smith & Nephew PLCInventor: Edward Yerbury Hartwell
-
Patent number: 11351092Abstract: A device for mixing and delivering a solution includes a tubular barrel that includes a first end, a second end, and interior compartment. A first plunger is positionable at the first end of the barrel, is moveable within the interior compartment of the barrel, and includes a spike protruding into the interior compartment, the spike having an end configured for piercing a membrane. A second plunger is positionable within the barrel, is also moveable within the interior compartment of the barrel, and has a pierceable membrane. The second plunger and the second end form a first area within the barrel for housing a first solution to be mixed and the first and second plungers form a second area within the barrel for housing a second solution to be mixed.Type: GrantFiled: May 24, 2019Date of Patent: June 7, 2022Inventor: John C. Sands
-
Patent number: 11351294Abstract: In one example embodiment, an apparatus for providing negative-pressure therapy may comprise a negative-pressure source, a pressure sensor, and a control valve. The negative-pressure source may be configured to be fluidly coupled to a distribution component. The control valve may be fluidly coupled to the pressure sensor and configured to be selectively coupled to the negative-pressure source, the distribution component, or both. A controller may also be configured to operate the control valve to selectively couple the pressure sensor to at least one of the negative-pressure source and the distribution component through the control valve, and the pressure sensor may provide a feedback signal to the controller indicative of pressure in a feedback path associated with the position of the control valve. The controller may also be configured to operate the negative-pressure source based on the feedback signal.Type: GrantFiled: May 7, 2019Date of Patent: June 7, 2022Assignee: KCI LICENSING, INC.Inventors: Tyler H. Simmons, Reuben Walter Edgar, Jr., Kevin Higley, Loren Francis
-
Patent number: 11351303Abstract: The invention relates to a device for treating an individual suffering from cardiac or circulatory arrest or from a stroke, comprising a blood withdrawal device (BE) that is applied to the individual (P), an analysis unit (BA) which is directly or indirectly connected to the blood withdrawal device for detecting a blood analysis result (BAE) providing at least one characteristic of the blood, directly or indirectly connected to a blood return device (BR) that is applied to the individual (P) and is designed to deliver a substance to the individual via the return device (BR).Type: GrantFiled: May 21, 2019Date of Patent: June 7, 2022Assignee: ResuSciTec GmbHInventor: Friedhelm Beyersdorf
-
Patent number: 11338077Abstract: A device for removing fat from a body can include a pair of nested hollow members that each has at least one opening and an adjustment means for adjusting the orientation of the nested hollow members from a first configuration to a second configuration to change an amount of overlap between openings in the nested hollow members. The nested members can be deformable to change the shape of the openings.Type: GrantFiled: April 15, 2019Date of Patent: May 24, 2022Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: J. Peter Rubin, Arielle A. Richter, Aaron T. Ledgerwood, Jessica C. Huynh, Kacey G. Marra, Stephen Holland, Mark J. Gartner
-
Patent number: 11338073Abstract: The invention relates to an oxygenator for gas exchange in the bloodstream, comprising a housing, a first interior chamber for blood arranged in the housing, a second interior chamber for gas arranged in the housing, and a membrane separating the interior chambers. According to the invention, the membrane has a silicone layer and a reinforcing structure reinforcing the silicone layer.Type: GrantFiled: March 11, 2016Date of Patent: May 24, 2022Assignee: RaumedicAGInventor: Martin Stöcker
-
Patent number: 11338076Abstract: A system for controlling a fluid procedure comprising a reusable separation apparatus controlled by a microprocessing controller. A sterile circuit is configured to associate with the reusable separation apparatus and provide a first fluid flow path in association with a pressure sensor in communication with the controller and a first pump configured to transmit pulsatile pressure signals to the pressure sensor during operation in association with the first fluid flow path. The reusable apparatus and the controller are configured to receive from the pressure sensor pressure signals comprising the pulsatile pressure signals, perform a frequency analysis of the pressure signals received by the pressure sensor over a time duration, derive a first rotation rate of the first pump or a first fluid flow rate at the first pump from the frequency analysis, and provide a response action based on the first rotation rate or the first fluid flow rate.Type: GrantFiled: September 7, 2018Date of Patent: May 24, 2022Assignee: Fenwal, Inc.Inventors: Benjamin E. Kusters, Kyungyoon Min
-
Patent number: 11318239Abstract: Systems and methods for performing online extracorporeal photopheresis of mononuclear cells are disclosed. During a mononuclear cell collection cycle, blood is removed from a source and separated into a plasma constituent, a mononuclear cell-containing layer, and red blood cells, followed by the collection of a pre-product including at least a portion of the mononuclear cell-containing layer and at least a portion of the separated red blood cells. The mononuclear cell collection cycle may be repeated, followed by the production of a single mononuclear cell product using the collected pre-product(s). The mononuclear cell product is irradiated using a fixed dose of light, such that the mononuclear cell product is produced so as to have a predetermined volume and a predetermined hematocrit, regardless of the number of pre-products used to produce the mononuclear cell product. Following irradiation, at least a portion of the irradiated mononuclear cell product is returned to the source.Type: GrantFiled: February 27, 2019Date of Patent: May 3, 2022Assignee: Fenwal, Inc.Inventors: Zahra R. Ali, Lan T. Nguyen, Katherine N. Radwanski, Angela N. Carlson, Tanima J. Abedin
-
Patent number: 11305051Abstract: A fat cutter and an integrated machine for preparation of in vitro fine-particle fat are provided. The fat cutter includes a fat inlet channel, a fat outlet channel, at least one set of blades disposed between an outlet of the fat inlet channel and an inlet of the fat outlet channel, and a housing that seals a space in which the outlet of the fat inlet channel, the inlet of the fat outlet channel, and the blades are located. A fat inlet of the fat inlet channel is connected to a large-diameter liposuction tube by a liposuction channel, and a fat outlet of the fat outlet channel is connected to a high-negative pressure device. The outlet of the fat inlet channel and the inlet of the fat outlet channel are oppositely provided, and a gap therebetween matches the thickness of the blades.Type: GrantFiled: January 17, 2020Date of Patent: April 19, 2022Assignee: XIANGYA HOSPITAL CENTRAL SOUTH UNIVERSITYInventors: Pengju Fan, Zhen Li, Man Fang, Jingjing Li
-
Patent number: 11298264Abstract: Glaucoma can be treated by implanting an intraocular shunt in the eye. The implantation can be performed by first determining an entry area below a corneal limbus of an eye. Thereafter, the intraocular shunt can be inserted into eye tissue through the entry area such that an inflow end of the shunt is positioned in the anterior chamber of the eye and an outflow end of the shunt is positioned between layers of Tenon's capsule.Type: GrantFiled: July 11, 2019Date of Patent: April 12, 2022Assignee: AqueSys, Inc.Inventors: Christopher Horvath, Laszlo O. Romoda, Richard A. Lewis
-
Patent number: 11298516Abstract: Provided is an application container including a bottom wall, a body section, and a mouth section. The body section includes a base portion, a reduced diameter portion, an interposed portion interposed between the reduced diameter portion and the mouth section, and a back-side neck portion interconnecting the interposed portion and the mouth section at a position opposite to the bottom wall across an axis of the mouth section in a direction orthogonal to the axis. An inner surface of the first belly-side boundary between the base portion and the reduced diameter portion has a shape curved convexly outward. An inner surface of the second belly-side boundary between the reduced diameter portion and the interposed portion has a shape curved convexly inward.Type: GrantFiled: March 17, 2017Date of Patent: April 12, 2022Assignee: KOBAYASHI PHARMACEUTICAL CO., LTD.Inventor: Naoyuki Kanesaka
-
Patent number: 11291754Abstract: A system for the extracorporeal elimination of carbon monoxide, includes at least one pump and a gas exchange chamber, wherein the at least one pump can be connected to the blood circulatory system of a person by way of a first tube section connectable to a cannula and is connected to a gas exchange chamber via a second tube section, wherein the system is configured to transfer blood, via the first tube section, from the blood circulatory system of the person by way of at least one pump into the gas exchange chamber, and to return the blood from the gas exchange chamber to the blood circulatory system of the person via the same first tube section.Type: GrantFiled: February 14, 2017Date of Patent: April 5, 2022Assignee: RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE (RWTH) AACHENInventors: Jutta Arens, Ralf Borchardt, Peter Christian Schlanstein, Thomas Schmitz-Rode, Lotte Schraven, Georg Wagner, Ulrich Steinseifer
-
Patent number: 11285248Abstract: A renal failure blood therapy system includes a renal failure blood therapy machine, concentration levels for each of a plurality of solutes removed from a patient's blood at each of the multiple times, a display device configured to display for selection at least one removed blood solute from the plurality of removed blood solutes, and a device programmed to (i) estimate at least one renal failure blood therapy patient parameter using the determined concentration levels for the at least one selected removed blood solute, (ii) determine a plurality of acceptable renal failure blood therapy treatments that meet a predetermined removed blood solute clearance for the at least one selected removed blood solute using the at least one renal failure blood therapy patient parameter, and (iii) enable selection of at least one of the plurality of acceptable renal failure blood therapy treatments for operation at the renal failure blood therapy machine.Type: GrantFiled: July 29, 2019Date of Patent: March 29, 2022Assignees: Baxter International Inc.Inventors: Alp Akonur, John Kenneth Leypoldt, Ying-Cheng Lo, Baris Ugur Agar
-
Patent number: 11278652Abstract: A hollow fiber membrane laminate that includes a plurality of hollow fiber membranes wound to form a plurality of layers in a cylinder shape. The hollow fiber membranes are wound around a central axis while reciprocating a feeding point of the hollow fiber membranes along a central axis. Hollow fiber membranes adjacent to each other in each respective layer are separated by a predetermined separation distance. A speed differential z is reduced for successive layers approaching an outer side of the cylinder to maintain the predetermined separation distance. The speed differential z has a value obtained by dividing a pitch of the hollow fiber membranes within a respective layer by a traverse reciprocating distance.Type: GrantFiled: March 20, 2019Date of Patent: March 22, 2022Assignee: TERUMO KABUSHIKI KAISHAInventors: Ryuji Hiraguchi, Akira Gyoten
-
Patent number: 11278456Abstract: The tampon insertion device according to the present invention includes a barrel having an insertion end portion and a proximal end portion opposite the insertion end portion and having a continuous side wall extending therebetween that defines an interior area. A tampon is initially positioned in the interior area of the barrel. The tampon insertion device includes a plunger slidably coupled to the barrel that has a first end engaging a proximal end of the tampon, the plunger having a cylindrical configuration selectively slidable from a starter configuration extending away from the proximal end portion of the barrel to a deployed configuration positioned downstream inside the interior area of the barrel. Pressure applied to the plunger causes the plunger to urge the tampon downstream within the interior area of the barrel. The tampon insertion device, i.e. the tampon applicator, is constructed using a material consisting essentially of hemp plastic.Type: GrantFiled: July 21, 2020Date of Patent: March 22, 2022Inventor: Lacey Janell Lund