With Reinforcing Structure Patents (Class 604/524)
  • Patent number: 11406796
    Abstract: A delivery sheath includes an outer tubular layer and an initially folded inner tubular layer. When an implant passes therethrough, the outer tubular layer expands and the inner tubular layer unfolds into an expanded lumen diameter. The sheath may also include selectively placed longitudinal support rods that mediate friction between the inner and outer tubular layers to facilitate easy expansion, thereby reducing the push force needed to advance the implant through the sheath's lumen.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 9, 2022
    Assignee: Edwards Lifesciences Corporation
    Inventors: Pu Zhou, Erik Bulman, Timothy A. Geiser, Michael G. Valdez, Yidong M. Zhu, Baigui Bian, Sonny Tran, Richard D. White, Thanh Huy Le, Tung T. Le, Alpana Kiran Gowdar, Yong Gao, David Delon Williams
  • Patent number: 11400256
    Abstract: Sizing catheters that include an inner member and an outer member. The inner member includes an elongate shaft and a plurality of radiopaque markers spaced axially from each other and secured to an outer surface of the shaft, the span of radiopaque markers defining a first portion of the inner member. The outer member that is disposed snugly around and in substantial contact with the inner member along at least the first portion of the inner member.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: August 2, 2022
    Assignee: Cardiac Dimensions Pty. Ltd.
    Inventors: Evan M. Keech, Lucas S. Gordon
  • Patent number: 11382659
    Abstract: A cannula assembly having a retention member and a method of manufacture of the cannula assembly is provided. The cannula assembly includes a cannula and a sleeve disposed around the cannula from a proximal end to a distal end. The sleeve can include a balloon formed by a stretch blow molding process following local heating once advanced over the cannula. Once formed, the balloon can be conditioned to constrict against the cannula. A conditioning aid can be advanced over the balloon when it is still formable to constrict the balloon against the cannula.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: July 12, 2022
    Assignee: Applied Medical Resources Corporation
    Inventors: Boun Pravong, Kennii Pravongviengkham, Eduardo Bolanos, Joel B. Velasco
  • Patent number: 11382643
    Abstract: A clot removal device for removal of an occlusion from a lumen in a patient's body is provided. The clot removal device has a lumen, an elongated member positioned within the lumen and extending axially from a proximal end to a distal end of the lumen, a handle attached to the proximal end of the lumen, a first expandable member positioned along a length of the elongated member, a second expandable member positioned along the length of the elongated member, wherein the second expandable member is distal to the first expandable member relative to the handle.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: July 12, 2022
    Inventors: Michael Bruce Horowitz, Benjamin William Bobo, Brandon Matthew Repko
  • Patent number: 11351339
    Abstract: An orientable catheter (10, 110, 210) comprising a first tubular body (16, 116, 216) having a distal portion with shape memory (26, 126, 226) which is curved at rest, and a second tubular body (38, 138, 238) having a distal stiffening portion (54, 154, 254) forming a stiffening element capable of sliding relative to the first tubular body (16, 116, 216) between a stiffening position in which the stiffening element (54, 154, 254) imposes a straightened configuration on the distal portion with shape memory (26, 126, 226), and a retracted position in which the stiffening element (54, 154, 254) does not interfere with the resting curved configuration of the distal end with shape memory (26, 126, 226).
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: June 7, 2022
    Assignees: ARELFI HOLDING SPRL, DAVID CURIE INVEST
    Inventor: Pierre Sarradon
  • Patent number: 11344447
    Abstract: Described here are systems and methods for accessing Schlemm's canal and for delivering an ocular device or fluid composition therein. The ocular devices may maintain the patency of Schlemm's canal without substantially interfering with transmural fluid flow across the canal. The fluid composition may be a viscoelastic fluid that is delivered into the canal to facilitate drainage of aqueous humor by disrupting the canal and surrounding trabeculocanalicular tissues. Tools for disrupting these tissues and minimally invasive methods for treating medical conditions associated with elevated intraocular pressure, including glaucoma, are also described.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: May 31, 2022
    Assignee: SIGHT SCIENCES, INC.
    Inventors: David Y. Badawi, Daniel O'Keeffe, Paul Badawi
  • Patent number: 11285294
    Abstract: An introducer includes a dilator received in a lumen defined by an introducer sheath and including a dilation end extending distally beyond a distal end of the introducer sheath. The introducer sheath includes a flat wire reinforcement having a hollow cylindrical shape sandwiched between an inner PTFE tube and an outer nylon tube. The outer nylon tube includes a distal segment that extends distally beyond the PTFE tube, which extends distally beyond the PTFE tube, which extends distally beyond the flat wire reinforcement. A withdrawal support wire has a distal end attached to a distal end turn of the flat wire reinforcement and extends in a proximal direction in parallel with a longitudinal axis between an outer surface of the nylon tube and an inner surface of the PTFE tube. The withdrawal support wire is configured to be in tension when the sheath is placed in tension to inhibit distal stretch separation breakage.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: March 29, 2022
    Assignee: Cook Medical Technologies LLC
    Inventors: Patrick G. McElhaney, Thomas A. Osborne
  • Patent number: 11191566
    Abstract: The present disclosure illustrates an introducer sheath with a partially annealed metal frame. The introducer sheaths described herein include a hub coupled to a shaft. The shaft comprises a braided wire frame with (i) an annealed distal portion that prevents the braided wire frame from unraveling at a distal end, and (ii) a second portion that is unannealed; a jacket encompassing the braided wire frame; and a liner forming an inner wall.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: December 7, 2021
    Assignee: Merit Medical Systems, Inc.
    Inventors: David Cise, Doug Hales, Alex Singleton, Bryan Heaton
  • Patent number: 11147948
    Abstract: A neuromodulation catheter includes an elongate shaft and a neuromodulation element. The shaft includes two or more first cut shapes and two or more second cut shapes along a helical path extending around a longitudinal axis of the shaft. The first cut shapes are configured to at least partially resist deformation in response to longitudinal compression and tension on the shaft and torsion on the shaft in a first circumferential direction. The second cut shapes are configured to at least partially resist deformation in response to longitudinal compression on the shaft and torsion on the shaft in both first and second opposite circumferential directions.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 19, 2021
    Assignee: MEDTRONIC ARDIAN LUXEMBOURG S.A.R.L.
    Inventors: Rudy Beasley, Justin Goshgarian, Vincent Ku
  • Patent number: 11141259
    Abstract: Methods, devices, and systems establish and facilitate retrograde or reverse flow blood circulation in the region of the carotid artery bifurcation in order to limit or prevent the release of emboli into the cerebral vasculature such as into the internal carotid artery. The methods are particularly useful for interventional procedures, such as stenting and angioplasty, atherectomy performed through a transcarotid approach or transfemoral into the common carotid artery, either using an open surgical technique or using a percutaneous technique, such as a modified Seldinger technique or a micropuncture technique.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: October 12, 2021
    Assignee: Silk Road Medical, Inc.
    Inventors: Sumaira Macdonald, Stewart M. Kume
  • Patent number: 11052227
    Abstract: A deflectable catheter shaft section is disclosed comprising an elongated body extending along a longitudinal axis and comprising a distal end and a proximal end; and a plurality of lumens extending along the longitudinal axis of the elongated body, wherein at least one of the lumens is abutting at least another one of the lumens. A catheter comprising the deflectable catheter shaft section and a method of manufacturing the deflectable catheter shaft section are also disclosed. A catheter incorporating a deflectable catheter shaft section can further comprise first and second compression coils disposed over pull wires located within the catheter, wherein the compression coils are unattached to the catheter or components thereof, but can be constrained by a shaft coupler at a distal end of each of the compression coils and by at least a portion of a handle assembly at a proximal end of each of the compression coils.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: July 6, 2021
    Assignee: St Jude Medical, Atrial Fibrillation Division, Inc
    Inventor: Troy T Tegg
  • Patent number: 11040174
    Abstract: Disclosed herein are steerable catheter assemblies and methods of steering catheters. Some embodiments include a catheter with first and second oppositely disposed pull wires and third and fourth oppositely disposed pull wires that flex the catheter, a control handle coupled to the catheter, a first follower connected to the first pull wire, a second follower connected to the second pull wire, a first driver coupled to the control handle and coupled to the first and second followers, a third follower connected to the third pull wire, a fourth follower connected to the fourth pull wire, and a second driver coupled to the control handle and coupled to the third and fourth followers. Rotation of the first driver moves the first and second followers in opposite directions. Rotation of the second driver moves the third and fourth followers in opposite directions.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: June 22, 2021
    Assignee: Edwards Lifesciences Corporation
    Inventors: Bao Khuu, Matthew T. Winston, Asher L. Metchik, Eric Robert Dixon, Sergio Delgado
  • Patent number: 11013890
    Abstract: Embodiments of the invention include an introducer for introducing interventional catheters into the vasculature comprising a distal tip, a proximal end, a structural layer, an inner layer, and an outer layer. Other embodiments are also included herein.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 25, 2021
    Assignee: NorMedix, Inc.
    Inventors: Jeffrey M. Welch, Gregg Sutton
  • Patent number: 10953203
    Abstract: The present disclosure relates to guidewire devices having shapeable tips and effective torquability. A guidewire device includes a core having a proximal section and a tapered distal section. A tube structure is coupled to the core such that the tapered distal section of the core extends into and distally beyond the tube structure. The portion of the core extending distally beyond the tube forms a shapeable tip. A polymer covering encompasses the tip. The tip is configured to reduce the tendency of resilient forces from the tube structure to disrupt a customized shape of the tip.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: March 23, 2021
    Assignee: Scientia Vascular, LLC
    Inventors: John A. Lippert, Edward J. Snyder
  • Patent number: 10952898
    Abstract: An inserter can include a housing and a slider component. The housing can include a distal portion, a proximal portion, a longitudinal axis extending between the distal and proximal portions, an interior cavity, and an elongate slot extending along an outer surface of the housing into the cavity. The slider component can be coupled to the housing and positioned along the outer surface thereof. The slider component can be slidable along the elongate slot. The slider includes a guide tab disposed within the guide channel of the housing body. The slider further includes a friction tab having a biasing member configured to urge against the housing body to urge the guide tab against the channel wall of the guide channel.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 23, 2021
    Assignee: AQUESYS, INC.
    Inventors: Laszlo O. Romoda, Christopher Horvath
  • Patent number: 10918832
    Abstract: A catheter with a variable circular loop is responsive to a contraction wire for increasing the coiling of the circular loop. The shape of the loop is supported by an elongated member, wherein a radially constrictive sleeve confines the contraction wire to extends immediately alongside the length of elongated member so as to improve uniformity and minimize misshaping of the loop during contraction.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: February 16, 2021
    Assignee: BIOSENSE WEBSTER (ISRAEL) LTD
    Inventors: Ricardo Padilla, Homero Padilla, Julie Bui, Mario Solis, Thomas Selkee, Jose Jimenez, Keshava Datta, Fernando Salazar
  • Patent number: 10814099
    Abstract: Medical systems are disclosed which may include an elongate shaft member and a plurality of steering lines operable to cause bending of the elongate shaft member via movement of at least one of the steering lines. A respective second end portion of a first proximal steering line may terminate at a first proximal termination portion of the elongate shaft member, and a respective second end portion of the first distal steering line may terminate at a first distal termination portion of the elongate shaft member. The elongate shaft member may be formed of materials of different hardness to provide preferential bending in desired directions.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: October 27, 2020
    Assignee: KARDIUM INC.
    Inventors: John Andrew Funk, Saar Moisa, Ashkan Sardari
  • Patent number: 10806462
    Abstract: A detachment system for delivering an implantable medical device to a target location of a body vessel has a generally hollow distal tube. The distal tube includes a proximal end, a distal end, and a compressible portion of the tube itself, between the proximal and distal ends which is axially movable from a compressed to an elongated condition. A generally hollow proximal tube has a proximal end and a distal end. A coupling joins the proximal and distal tubes. An engagement system engages and deploys the implantable medical device engaged at the distal end of the distal tube. The engagement system moves the compressible portion to the compressed condition when engaging the implantable medical device, and deploys the implantable medical device and releases the compressible portion to the elongated condition.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: October 20, 2020
    Assignee: DePuy Synthes Products, Inc.
    Inventor: Juan Lorenzo
  • Patent number: 10786260
    Abstract: A medical device comprising an elongated tubular member having a proximal portion, a distal portion, an outer surface and a lumen and the distal portion of the elongated tubular member comprising an expandable occlusion tip, the expandable occlusion tip having a central lumen and comprising a plurality of lobes, the expandable occlusion tip having an unexpanded state and an expanded state, in the unexpanded state the lobes extend distally from the elongated tubular member, in the expanded state, the lobes radially expand and are adapted to restrict flow in a patient's vessel.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 29, 2020
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventor: Phil Herzog
  • Patent number: 10702677
    Abstract: An introducer sheath is disclosed, which includes a tube body that is percutaneously inserted into a body lumen; and a hub that is connected to a proximal portion of the tube body. The tube body contains a polyvinylidene fluoride resin, a ratio of a thickness to an inner diameter of the tube body is 1/16 or lower, and a ratio of a kink radius to an outer diameter of the tube body is 9.5 or lower.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 7, 2020
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Ryo Okamura, Tatsuya Ouchi, Keisuke Yoshida, Daisuke Nakashima, Katsuaki Soma
  • Patent number: 10675436
    Abstract: An adjustable diameter catheter includes a wall extending in an axial direction surrounding a lumen of the catheter, the wall having at least one outer spring and at least one inner spring arranged coaxially to the outer spring. The at least one outer spring surrounds the at least one inner spring. The at least one inner and outer springs each have a distal end which are connected to one another. The at least one inner and outer springs each have a plurality of windings. A winding direction of the at least one outer spring is opposite to a winding direction of the at least one inner spring.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: June 9, 2020
    Assignee: BIOTRONIK AG
    Inventor: Alois Pfenniger
  • Patent number: 10478294
    Abstract: An assembly for delivering a prosthetic heart valve to a native heart valve is disclosed. The assembly includes a self-expanding prosthetic heart valve formed with an expandable metallic stent and a flexible valvular structure. The assembly also includes a delivery apparatus having a delivery sleeve. The delivery sleeve includes a selectively steerable section and a distal portion for retaining the prosthetic heart valve in a compressed state. A handle is coupled to a proximal end of the delivery sleeve and a pull wire extends from the handle to the steerable section of the delivery sleeve. The handle preferably includes a rotatable portion for actuating the pull wire and thereby selectively controlling a curvature of the steerable section during advancement through the patient's vasculature. In preferred embodiments, the steerable section includes a flexible metallic tubular portion formed with a plurality of circumferentially extending openings.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: November 19, 2019
    Assignee: Edwards Lifesciences Corporation
    Inventor: David M. Taylor
  • Patent number: 10307567
    Abstract: Catheters are disclosed that are configured for insertion into the vasculature connected to the prostate gland of a male patient or uterus of a female patient. Such catheters may comprise a conduit having one or more bends. Conduits with a general U-shaped bend and a compound curve are within the scope of this disclosure Methods related to the catheters, including methods of use and methods of manufacture, are also disclosed.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: June 4, 2019
    Inventor: Francisco Cesar Carnevale
  • Patent number: 10278682
    Abstract: A device is disclosed for therapeutic and/or diagnostic use in or on a patient's body. The device can have a sheath and a tool. The sheath can be made, at least in part, from a laminate. The laminate can have reinforcement fibers in longitudinal, latitudinal, helical, and/or other configurations around the sheath. The tool can be at least partially within the sheath. The tool can be attached to the sheath at one or more lengths along the tool. The sheath can be removed from the tool and replaced.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: May 7, 2019
    Assignee: LOMA VISTA MEDICAL, INC.
    Inventors: Alexander Quillin Tilson, Mark Christopher Scheeff, Roland J. Downs, Christopher Michael Adams, Jon Michael Holweger
  • Patent number: 10258766
    Abstract: The application relates to a tube for being introduced into an object. The tube (1), which is preferentially a catheter, comprises a tube-like braid (2) made from electrically conductive strands (3), wherein ends (4) of the strands (3) are staggered in the longitudinal direction of the tube (1). Since the ends of the strands are staggered in the longitudinal direction of the tube, local radio frequency heat generated during a magnetic resonance imaging procedure is not concentrated at a single longitudinal location, but distributed along a staggered region in the longitudinal direction of the tube, in which the ends of the electrically conductive strands are staggered. This distribution of the radio frequency heat along the longitudinal direction of the tube reduces the maximum temperature produced by radio frequency heating and, thus, the likelihood of damaging the object, in which the tube is to be introduced, due to heat.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: April 16, 2019
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventor: Steffen Weiss
  • Patent number: 10258767
    Abstract: A catheter having a catheter shaft and a tip. The catheter shaft includes an inner layer, a first reinforcing layer disposed around an outer periphery of the inner layer, an intermediate layer, a second reinforcing layer disposed around an outer periphery of the intermediate layer, and an outer layer that covers the second reinforcing layer. The tip includes a proximal end portion that extends in an axial direction of the catheter and is joined to at least the intermediate layer and the outer layer, between the first reinforcing layer and the second reinforcing layer. The proximal end portion increases the joining strength between the intermediate layer and the tip and the joining strength between the outer layer and the tip. As a result, it is possible to prevent the tip from easily detaching from the catheter shaft.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: April 16, 2019
    Assignee: ASAHI INTECC CO., LTD.
    Inventor: Hirotomo Shimizu
  • Patent number: 10251636
    Abstract: Devices and methods for cleaning a surgical device, and or end effectors associated with the device, are provided. In one exemplary embodiment, a surgical device includes a housing, a plurality of shafts extending distally from the housing, a port disposed at a proximal end of the shafts to form a proximal compartment and an end effector receiver disposed at a distal end of the shafts to form a distal compartment. A fluid and/or a vacuum source can be supplied at the port, through the proximal compartment and shafts, and to the distal compartment. The supplied fluid or vacuum source can be effective to remove fluid and/or tissue from the distal compartment. A plurality of seals can be provided on an outer-most shaft in the compartments to seal fluid from the compartments from entering a housing and/or an outside environment. Other devices and exemplary methods are also provided.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: April 9, 2019
    Assignee: Ethicon LLC
    Inventors: Christopher J. Hess, Frederick E. Shelton, IV, Daniel J. Mumaw, Craig T. Gates, Douglas E. Withers
  • Patent number: 9999749
    Abstract: A catheter includes an inner layer, and a braid provided on an outer periphery of the inner layer. The braid includes a first wire and a second wire that are woven together. The catheter further includes a tip provided on a distal end of the inner layer and a distal end of the braid. A residual portion having a sharp shape formed at a distal end of the first wire when the first wire is cut is not left untreated, but is formed into a bulging portion.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: June 19, 2018
    Assignee: ASAHI INTECC CO., LTD.
    Inventors: Tadanori Hiroshige, Makoto Nishigishi, Kenji Kaneda, Tatsuhiko Kajii
  • Patent number: 9981115
    Abstract: An introducer sheath includes an inner liner having a passageway extending longitudinally therethrough, a coil positioned over the inner liner, and an outer jacket positioned over the liner and the coil. The outer jacket is bonded to the inner liner between the coil turns. The coil turns have a cross-section comprising opposing end portions, and a center portion disposed between the opposing end portions. The center portion has a thickness not exceeding about one-third of a thickness of the end portions for reducing a bending modulus of the coil, and the end portions have a generally curved outer surface. At least a distal end portion of the outer jacket has a durometer between about 70 and 90 on the Shore D scale.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: May 29, 2018
    Assignee: COOK MEDICAL TECHNOLOGIES LLC
    Inventors: James C. Merk, Melissa Dawn Baker, Mark J. Hiatt
  • Patent number: 9937321
    Abstract: Embodiments of the invention include an introducer for introducing interventional catheters into the vasculature comprising a distal tip, a proximal end, a structural layer, an inner layer, and an outer layer. Other embodiments are also included herein.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: April 10, 2018
    Assignee: NorMedix, Inc.
    Inventors: Jeffrey M. Welch, Gregg Stuart Sutton
  • Patent number: 9788855
    Abstract: Devices and methods for the treatment of chronic total occlusions are provided. One disclosed embodiment comprises a method of facilitating treatment via a vascular wall defining a vascular lumen containing an occlusion therein. The method includes inserting an intramural crossing device into the vascular lumen, positioning at least the distal tip of the crossing device in the vascular wall, advancing an orienting device over the crossing device such that an orienting element of the orienting device resides in the vascular wall, inserting a reentry device, and re-entering the true vascular lumen.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: October 17, 2017
    Assignee: BridgePoint Medical, Inc.
    Inventors: Chad J. Kugler, Robert E. Atkinson, Matthew J. Olson
  • Patent number: 9782559
    Abstract: A malleable cannula for fluidically coupling with an anatomical structure includes a flexible cannula body wall having a proximal end, a distal end, and a lumen extending longitudinally between the proximal end and the distal end. The proximal end defines a first opening to the lumen and the distal end defining a second opening to the lumen. A channel is defined by a portion of the cannula body wall and extends longitudinally from the distal end toward the proximal end. The channel has a first end oriented toward the proximal end of the cannula body wall. A malleable member is provided within the channel and is fixedly connected to the cannula body wall at the first end of the channel. The malleable member is configured to assume and maintain a formed shape of the cannula body wall.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: October 10, 2017
    Assignee: CircuLite, Inc.
    Inventors: Robert C. Farnan, Arielle Drummond
  • Patent number: 9463062
    Abstract: A catheter includes a flexible shaft having a lumen arrangement and a length sufficient to access a target vessel of a patient. A balloon at the distal end of the shaft is fluidly coupled to the lumen arrangement. The balloon body comprises a first material and a second material different from the first material. The second material comprises a hydrophilic polymer that becomes electrically conductive in response to absorption of the conductive fluid. The fluid conductive regions facilitate perfusion of the conductive fluid through the balloon body to an inner wall of the target vessel during ablation of perivascular tissues. A cooling arrangement is configured for one of receiving a thermal transfer fluid from the lumen arrangement or facilitating perfusion of blood passing through the target vessel to cool the balloon body during ablation of the perivascular tissues.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: October 11, 2016
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Scott Smith, Joe Koblish, Mark L. Jenson, Roger Hastings
  • Patent number: 9433434
    Abstract: A fluid ejection device includes a pulsation generator which converts a fluid into a pulsed fluid, a fluid supply unit (supply pump) which supplies the fluid to the pulsation generator, an ejection tube which has an ejection opening communicating with the pulsation generator, a suction tube into which the ejection tube is inserted with play, a suction channel provided between the suction tube and the ejection tube, a suction opening provided at an end of the suction channel in a vicinity of the ejection opening, and a suction unit (suction pump) which sucks fluid in such a manner that the fluid introduced from the suction opening passes through the suction channel. The ejection opening is held by an inner circumferential part of the suction opening. According to this structure, vibration of the ejection tube in the vicinity of the ejection opening can be reduced.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: September 6, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Hideki Kojima, Atsuya Hirabayashi
  • Patent number: 9381024
    Abstract: A surgical apparatus, the apparatus comprising: (a) a cutting tool comprising an axial member with a proximal end and a distal end, the axial member characterized by at least two adjacent axial sections, wherein differences between each of the sections are visually discernible when viewed in a projection x-ray image; and (b) a hollow tube adapted for parallel alignment with the cutting tool and selectively axially positionable to be adjacent at least a selective one of said axial sections and block x-ray radiation from at least one of passing through or passing adjacent said selected section so that said projection indicates a relative axial position of said hollow tube and said cutting tool.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: July 5, 2016
    Assignee: DePuy Synthes Products, Inc.
    Inventors: Oren Globerman, Mordechay Beyar
  • Patent number: 9314586
    Abstract: A multi-lumen catheter comprising a longitudinally extending elongated body portion, with at least two septa extending longitudinally through the entire body portion, and defining a central lumen and two side lumens. The central lumen is oblong shape in cross section and positioned between the side lumens. The septa forming the central lumen are configured to flex outwards when the central lumen is under pressure, whereby a cross sectional area of the central lumen resultantly increases to increase flow capacity through the central lumen. In some embodiments, the central lumen has a defining inner surface such that a radius of curvature of the central lumen inner surface is, in all locations, equal to or greater than a radius of curvature of an outer surface of a guide wire used for insertion of the multi-lumen catheter. The septa are each configured to fail under pressure before failure of the outer wall.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: April 19, 2016
    Assignee: Medical Components, Inc.
    Inventor: Kenneth J. Chesnin
  • Patent number: 9233227
    Abstract: An object of the present invention is to provide an operating member with which curving operation of a catheter distal part can be easily carried out without moving a comparatively-large member. An operating member has a rotational operation part (10) that is fixed to an elongated body (100) for medical use and rotates the elongated body for medical use about the axis, pull wires (20) fixed to the elongated body for medical use, and a pull operation part (30) that is connected to the pull wires and curves at least part of the elongated body for medical use in a direction intersecting the axial direction by pulling the pull wire.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: January 12, 2016
    Assignee: TERUMO KABUSHIKI KAISHA
    Inventors: Ayaka Akutagawa, Yuichi Tada, Tomonori Hatta
  • Patent number: 9205231
    Abstract: Systems and methods for accessing body tissue are disclosed. The systems and methods can include an introducer assembly for percutaneous access to a body lumen. The assembly can include a needle and an over-the-needle guidewire. The needle and the guidewire can be inserted into body tissue and the guidewire advanced into the body tissue relative to the needle. The needle can be removed after advancing the guidewire.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: December 8, 2015
    Assignee: Arizona Medical Systems, LLC
    Inventors: Aaron M. Call, Kelvin Ning
  • Patent number: 9198600
    Abstract: The invention relates to the guidance, positioning and placement confirmation of intravascular devices typically inserted percutaneously into the venous or arterial vasculature. An endovenous access and guidance system is described that includes an elongate flexible member adapted and configured to access the venous vasculature of a patient; a sensor disposed at a distal end of the elongate flexible member and configured to provide in vivo non-image based ultrasound information of the venous vasculature of the patient; a processor configured to receive and process in vivo non-image based ultrasound information of the venous vasculature of the patient provided by the sensor and to provide position information regarding the position of the distal end of the elongate flexible member within the venous vasculature of the patient; and an output device adapted to output the position information from the processor.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: December 1, 2015
    Assignee: Vasonova, Inc.
    Inventors: Sorin Grunwald, Bradley Hill
  • Patent number: 9095330
    Abstract: A medical device for collecting cells includes a perforated tube and a brush disposed therein for collecting cells from tissue adjacent the tube. The tube includes a perforated portion and tissue can be drawn into the perforations in response to a vacuum applied to the tube. The brush can be inserted into the tube with the head portion of the brush aligned with the perforated portion to collect cells form the tissue that has been drawn into the perforations by the vacuum. The brush can be removed from the tube and another brush can be inserted to increase cell collection amounts.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: August 4, 2015
    Assignee: Cook Medical Technologies LLC
    Inventors: Ronan Leahy, Donagh O'Sullivan
  • Patent number: 9089669
    Abstract: A catheter body having a variable stiffness along its longitudinal length and a method for manufacturing same is disclosed wherein an inner layer having an uninterrupted length serves as a backbone for segments of coextrusion of, e.g., Pebax or nylon and a tie layer which are then bonded to the backbone to create a multi-stiffness catheter body.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: July 28, 2015
    Assignee: Abbott Cardiovascular Systems Inc.
    Inventors: Thomas F. Haslinger, John A. Simpson
  • Patent number: 9023011
    Abstract: A medical device including a shaft having an elongated inner member and an elongated tubular reinforcing member disposed over at least a portion of the inner member. In some embodiments, at least a portion of the outer surface of the inner member is spaced from the inner surface of the reinforcing member, defining a space substantially free of any other structures of the device. In some embodiments, the shaft can include a tip structure disposed on a distal portion of the inner member. In some such embodiments, the reinforcing member has a distal end, and the tip structure is disposed on the distal portion of the inner member adjacent the distal end of the reinforcing member. Additionally, in some embodiments, the reinforcing member can include a plurality of apertures defined therein, for example, to enhance the flexibility or other such characteristics of all or portions of the reinforcing member.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: May 5, 2015
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Stephen A. Griffin, Elaine Lim, Gregory E. Mirigian
  • Patent number: 9017308
    Abstract: A hub assembly and methods of attaching the same to a catheter shaft. The hub assembly includes a strain relief coupled to a hub. The strain relief may be mechanically coupled to the hub. The hub assembly may be manufactured in a non-clean room environment, and subsequently connected to the catheter shaft in a clean room.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: April 28, 2015
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Leo Klisch, August Powell
  • Patent number: 8986284
    Abstract: A body of a catheter includes an inner layer, a braid, and an outer layer. The braid includes first and second wires. The first and second wires can be joined together such that the distal end portion of the first wire winds itself around a side surface of the second wire. A joint includes a first joint portion positioned at the intersection point, a second joint portion positioned beyond the first wire in a width direction of the first wire, and a third joint portion positioned beyond the second wire in a width direction of the second wire. Thus, even when the first and second wires have small thicknesses for size reduction of the braid, the first and second wires can be joined together with high joint strength by increasing the area of the second joint portion or the thickness of the third joint portion.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: March 24, 2015
    Assignee: Asahi Intecc Co., Ltd.
    Inventors: Shuichi Kuwada, Fumiyoshi Oshima, Kazutaka Yamada
  • Patent number: 8986244
    Abstract: A method of treating a prostate condition, including the steps of providing a needleless injector that includes a body at a proximal end, an injection shaft extending from the body to a distal end of the injection shaft, an injection orifice at the distal end of the injection shaft and positioned for fluid ejection in a lateral direction relative to a longitudinal axis of the injection shaft, a pressure source in communication with the fluid chamber, and an extendable tissue tensioner located at the distal end of the injection shaft proximal to the injection orifice; inserting the injection shaft into a urethra so the injection orifice is located within the prostatic urethra; actuating the tissue tensioner to contact urethral tissue, and injecting fluid from the injection orifice into the prostate.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: March 24, 2015
    Assignee: AMS Research Corporation
    Inventors: Vincent G. Copa, Sidney F. Hauschild
  • Publication number: 20150080858
    Abstract: A method of manufacturing a catheter includes wrapping a sheet of material having an inner adhesive layer around a reinforcement member. The catheter manufactured is a resilient tube having a channel extending therethrough. The resilient tube has an adhesive inner layer and a bendable reinforcement member which extends through the channel.
    Type: Application
    Filed: September 18, 2013
    Publication date: March 19, 2015
    Inventor: Gerald Moss
  • Patent number: 8945088
    Abstract: Sinusitis and other disorders of the ear, nose and throat are diagnosed and/or treated using minimally invasive approaches with flexible or rigid instruments. Various methods and devices are used for remodeling or changing the shape, size or configuration of a sinus ostium or duct or other anatomical structure in the ear, nose or throat; implanting a device, cells or tissues; removing matter from the ear, nose or throat; delivering diagnostic or therapeutic substances or performing other diagnostic or therapeutic procedures. Introducing devices (e.g., guide catheters, tubes, guidewires, elongate probes, other elongate members) may be used to facilitate insertion of working devices (e.g. catheters e.g. balloon catheters, guidewires, tissue cutting or remodeling devices, devices for implanting elements like stents, electrosurgical devices, energy emitting devices, devices for delivering diagnostic or therapeutic agents, substance delivery implants, scopes etc.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: February 3, 2015
    Assignee: Acclarent, Inc.
    Inventors: John Y. Chang, Joshua Makower, Julia D. Vrany, Amrish Jayprakash Walke
  • Patent number: 8945089
    Abstract: A catheter for use with a medical infusion or other fluid system. The catheter may include a flexible elongate tubular core that is resistant to radial collapse, and a separate tubular tip member forming the catheter distal tip. The catheter may further include a flexible, e.g., elastomeric, jacket that surrounds at least a portion of the tubular core. The jacket may have a radial compliance that is greater than that of the tubular core. The jacket may further define an outer diameter that is about 4 to about 6 times greater than an outer diameter of the core.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: February 3, 2015
    Assignee: Medtronic, Inc.
    Inventors: Benjamin A. Johnson, Matthew H. Adams, James G. Skakoon
  • Patent number: 8926560
    Abstract: Distal access balloon guide catheter system and methods for delivering implantable devices, catheters, or substances in or near and/or restoring flow through body lumens, such as blood vessel lumens, or inflating balloons affixed to the distal end of the guide catheter system are described. A Distal access balloon guide catheter having a proximal region, an optional medial region of intermediate flexibility, and distal region possessing high flexibility, high resistance to kinking and a large lumen to wall thickness ratio. The balloon is inflated by means of a kink-resistant secondary lumen embedded within the walls of the balloon guide catheter system tubing.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: January 6, 2015
    Assignee: Covidien LP
    Inventors: James Dinh, Maricruz Castenada, Lynn Miyeko Shimada, Seferino Enrique Torres, Brian Michael Strauss, Jeffrey J. Valko
  • Patent number: 8911400
    Abstract: Embodiments of the invention include a catheter, comprising: a lumen having a distal end and a proximal end; one or more marker bands circumferentially arranged around the lumen; a support structure extending from the proximal end of the lumen to the most distal marker band; and a top jacket positioned annularly with respect to the lumen, comprising five durometers of material, wherein the support structure and top jacket alternate along the length of the catheter.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: December 16, 2014
    Inventor: Steven J. Ferry