Patents by Inventor Ralf Hannes

Ralf Hannes 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).

  • Publication number: 20200129228
    Abstract: The invention relates to a device having a stent structure (2) which is intended for insertion into intracranial blood vessels (6) of the human or animal body, wherein the stent structure (2) has an expanded state in which it is capable of abutting the inner wall of the blood vessel (6) and a compressed state in which it is movable through the blood vessel (6) when the stent structure (2) is inside a microcatheter (4), wherein the stent structure (2) is connected to an insertion aid (3) and wherein the stent structure (2) is capable of automatically transitioning into the expanded state upon release from the microcatheter (4), wherein the stent structure (2) has electrical conductors (13) via which electrical pulses, high-frequency pulses or ultrasonic pulses can be applied to nerve fibers extending in the vascular wall of the blood vessel (6) in order to temporarily or permanently reduce the function of the nerve fibers so as to allow prevention or treatment of vasospasm.
    Type: Application
    Filed: September 7, 2017
    Publication date: April 30, 2020
    Applicant: Phenox GmbH
    Inventors: Hans HENKES, Ralf HANNES, Hermann MONSTADT
  • Publication number: 20190275294
    Abstract: A catheter (1) comprising an elongate tubular body (2) having a proximal end (3), a distal end (4), and an inner lumen (5) extending through the elongate tubular body (2), wherein the elongate tubular body (2) comprises a proximal section (6) and a distal section (7), wherein at least the proximal section (6) comprises at least two layers, wherein the proximal end (3) is connected with a catheter hub (8) being an adapter of greater radial outside dimension than the elongate tubular body (2), wherein the catheter hub (8) has an inner lumen (9) of larger inside diameter than the elongate tubular body (2), and wherein the innermost layer (10) of the proximal section (6) extends into the catheter hub (8) and flares from the proximal section (6) to the catheter hub (8). The catheter ensures a smooth transition of a medical device, e.g. a stent to be transferred from a storage device like a sheath into the tubular body of the catheter.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 12, 2019
    Applicant: Phenox Ltd.
    Inventors: Volker Trösken, Hermann Monstadt, Ralf Hannes, David Slattery, Ken Beatty
  • Patent number: 10405964
    Abstract: The invention relates to a membrane implant for the treatment of vascular malformations, said implant being implantable by endovascular methods into the vessel to be treated, wherein the membrane implant consists of an expandable stent (4) and a membrane (3, 5, 11, 2) connected with the stent (4), with said membrane (3, 5, 11, 4) covering the meshes of the stent (4) at least in a central region, wherein said membrane (2, 3, 5, 11) is provided in the form of a non-woven fabric comprising plastic fibrils, and the membrane (2, 3, 5, 11) forms an integral bond with the stent (4) and, at least partially, is of porous design.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: September 10, 2019
    Assignee: Phenox GmbH
    Inventors: Ralf Hannes, Hermann Monstadt
  • Publication number: 20190231358
    Abstract: An occlusive implant for bifurcation aneurysms (A), with the implant (1) being in an expanded state in which it is implanted in the blood vessel and in a contracted state in which it is movable through the blood vessel, with the implant (1) having a proximal fixing section (3) by means of which the implant (1) can be secured to the wall of a blood vessel, a distal section (5) where the implant (1) in expanded state is radially widened relative to the fixing section (3) and which is intended for placement in or in front of the aneurysm (A), and having a transition section (4) located between the fixing section (3) and the distal section (5), wherein fixing section (3) is attached to an delivery wire (2) in a detachable manner and wherein the transition section (4) has a second detachment point (7) which enables the distal section (5) to be detached.
    Type: Application
    Filed: June 14, 2017
    Publication date: August 1, 2019
    Applicant: Phenox GmbH
    Inventors: Hans HENKES, Hermann MONSTADT, Ralf HANNES
  • Patent number: 10292803
    Abstract: The invention relates to a thrombectomy device with a substantially cylindrical stent structure (1), which has a multiplicity of meshes (3, 4) and two connectors (5, 5?) that are arranged on different meshes (3) at the proximal end of the stent structure (1), and with a guide wire (12), which has a coupling element (11) to which the connectors (5, 5?) are coupled, with a slit (7), which extends in a helical formation across the jacket surface (8) of the stent structure (1), and with a tensioning bow (9), which spans the slit (7) at the proximal end.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: May 21, 2019
    Assignee: phenox GmbH
    Inventors: Hermann Monstadt, Ralf Hannes, Jörg Ascherfeld
  • Patent number: 10265154
    Abstract: A blood vessel implant to influence the flow of blood in the area of arteriovenous malformations. The implant has a wall of individual filaments forming a tubular braiding extending axially from the proximal to the distal end, the individual filaments crossing and forming points of intersection. The implant is deformable so that in an insertion catheter it is shaped so that its diameter is reduced and can be expanded at the implantation site adapting to the diameter of the blood vessel. The filament ends at the proximal and/or distal end of the braiding are each brought together at least in pairs and connected with each other permanently. The filament ends connect with each other and are shaped so as to be atraumatic The filaments cross at the points of intersection distally from the filament ends and are connected with each other at the proximal end of the implant.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: April 23, 2019
    Assignee: Phenox, GmbH
    Inventors: Manuel Schneider, Stefan Rolla, Carsten Aporta, Ralf Hannes, Hermann Monstadt
  • Publication number: 20190110912
    Abstract: The invention relates to a device (1) having a stent structure (2) intended for the insertion into blood vessels of the human or animal body, wherein the stent structure (2) assumes an expanded state during which it is in contact with the inner wall of the blood vessel and a contracted state during which the stent structure being located in a microcatheter can be moved through the blood vessel, wherein the stent structure (2) preferably being connected at its proximal end with an delivery wire (3) and wherein the device (1) being employed for the treatment of vasospasm. Moreover, the invention also relates to a relevant method for the treatment of vasospasm.
    Type: Application
    Filed: June 1, 2017
    Publication date: April 18, 2019
    Applicant: Femtos GmbH
    Inventors: Thomas LIEBIG, Hermann MONSTADT, Hans HENKES, Ralf HANNES
  • Publication number: 20180360462
    Abstract: An implant (1) to be used for the occlusion of bifurcation aneurysms, with the implant (1) having an expanded state in which it is implanted in the blood vessel (Z) and a contracted state in which it is movable through the blood vessel (Z) and a proximal fixing section (3) a distal section (5) where the implant (1) is radially widened relative to the fixing section (3) and which is intended for placement in or in front of the aneurysm (A), and a transition section (4) located between the fixing section (3) and the distal section (5), wherein the implant (1). The implant is composed of interconnected or intersecting filaments (10) originating from the fixing section (3) or distal section (5) which meet centrally in the transition section (4), wherein the filaments (10) in the transition section (4) at least to some extent pass through a sleeve (7).
    Type: Application
    Filed: December 14, 2016
    Publication date: December 20, 2018
    Applicant: Phenox GmbH
    Inventors: Hans HENKES, Hermann MONSTADT, Ralf HANNES
  • Publication number: 20180353187
    Abstract: The invention relates to an implant for vascular applications that can be transported by means of a catheter and is intended in particular to influence the blood flow in the area of arteriovenous malformations, such as fistulas and aneurysms, to fill the saclike dilation of the malformation, promote thrombus formation and cover the neck of the malformation. The implant according to the invention is provided with an occlusion unit (1, 13) having a three-dimensional shape constructed from several subunits (5a, 14) from a framework of struts (5, 16, 17), with a covering, preferably a membrane (6), being located between struts (5, 16, 17).
    Type: Application
    Filed: November 24, 2016
    Publication date: December 13, 2018
    Applicant: Femtos GmbH
    Inventors: Hermann MONSTADT, Hans HENKES, Ralf HANNES
  • Publication number: 20180049892
    Abstract: The invention concerns a device for introducing an implant (1) into blood vessels or hollow organs of the human or animal body, comprising an implant (1), an insertion wire (14) and a release tube (13), wherein the implant (1) is deformable so that it adopts a shape with reduced diameter in a microcatheter (8) and at the site of the implantation it expands once the external constraint of the microcatheter (8) disappears, adapting to the diameter of the blood vessel or hollow organ, wherein a holding element (2) is arranged on the insertion wire (14) and the holding element (2) has at its periphery at least one, preferably a plurality of grooves (3) set into the holding element (2), running along the circumference of the holding element (2) and forming tracks in the form of curved lines, wherein the implant (1) has at the proximal end at least one, preferably a plurality of holding wires (5) extending in the proximal direction, which are fitted into the grooves (3), wherein the release tube (13) is pulled with
    Type: Application
    Filed: March 4, 2016
    Publication date: February 22, 2018
    Applicant: Phenox GmbH
    Inventors: Hans HENKES, Hermann MONSTADT, Ralf HANNES, Stefan ROLLA, Manuel SALIN
  • Patent number: 9867726
    Abstract: The invention relates to a device having an endovascular implant (1) for the introduction into blood vessels or body cavities of the human or animal body and an insertion aid (2), wherein the implant (1) and the insertion aid (2) being connected to each other via a detachment element (3) designed to be electrolytically corrodible so that after the implant (1) has been inserted into the body and a voltage has been applied an at least partial dissolution of the detachment element (3) takes place causing the implant (1) to be separated from its the insertion aid (3), with the detachment element (3) being made of a cobalt-chrome alloy containing at least 20% w/w cobalt and 10 to 40% w/w chrome.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: January 16, 2018
    Assignee: Phenox GmbH
    Inventors: Carsten Aporta, Jörg Ascherfeld, Ralf Hannes, Hermann Monstadt
  • Patent number: 9737318
    Abstract: The invention relates to a thrombectomy device having a substantially cylindrical stent structure (1) comprised of a plurality of meshes (3, 4) and also two connectors (5, 5?) that are disposed at different meshes (3) at the proximal end of the stent structure (1). The device also has a guide wire (12), which comprises a coupling element (11) to which the connectors (5, 5?) are coupled, and a slit (7), which extends helically over the shell face (8) of the stent structure (1), and a tensioning clip (9) that spans the slit (7) at the proximal end.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: August 22, 2017
    Assignee: Phenox GmbH
    Inventors: Hermann Monstadt, Ralf Hannes, Jorg Ascherfeld
  • Patent number: 9707002
    Abstract: The invention relates to a device for the removal of foreign bodies and thrombi from body cavities and blood vessels using a guide wire provided with a distal element with said distal element being provided with an orthogonal structure.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: July 18, 2017
    Assignee: Phenox GmbH
    Inventors: Elina Henkes, Hans Henkes, Ralf Hannes, Hermann Monstadt
  • Publication number: 20160206455
    Abstract: The invention relates to a device for the introduction of an implant (1) into blood vessels of the human body, said device comprising an implant (1), a pusher or insertion wire (14), and a tube-like sheathing (13), wherein the implant (1) is capable of being deformed inside a microcatheter in a manner that allows it to assume a shape of reduced diameter and, after omission of such external constraint exerted by the microcatheter, expand at the placement site and adapt to the blood vessel diameter, and wherein the implant (1) being provided at the proximal end with connection elements (6) attaching it to a retaining element (15) by means of which the implant (1) is coupled to the pusher wire (14), and wherein the retaining element (15) is provided with peripheral cutouts (16) into which the connecting elements (6) are fitted, with the tube-like sheathing (13) being drawn in a form-closed manner over the retaining element (15) with fitted connection elements (6) such that the connection elements (6) are secured
    Type: Application
    Filed: September 3, 2014
    Publication date: July 21, 2016
    Applicant: Phenox GmbH
    Inventors: Hermann Monstadt, Ralf Hannes, Diana Stateczny, Stefan Rolla, Manuel Salin
  • Patent number: 9198665
    Abstract: The invention relates to a device for the implantation of microcoils into body cavities and blood vessels, in particular aneurysms, with said microcoils comprising wires forming a plurality of windings, at least one microcoil serving as occlusion helix for the occlusion of the body cavity or blood vessel, and the device consisting of a catheter, one or several microcoils movably arranged in longitudinal direction within the catheter and at least one securing means passing at least partially through the lumen of the occlusion helix, with said securing means being fixed in its end areas inside the microcoils. Such a fixation of the securing means is achieved in at least one end area by providing a frictional connection with the microcoil in such a manner that this connection is detachable from the microcoil when a certain tensile force acting on the securing means is exceeded.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: December 1, 2015
    Assignee: Covidien LP
    Inventors: Hermann Monstadt, Achim Flesser, Ralf Hannes
  • Publication number: 20150297252
    Abstract: The invention relates to a device for the removal of foreign bodies and thrombi from body cavities and blood vessels using a guide wire provided with a distal element with said distal element being provided with an orthogonal structure.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 22, 2015
    Inventors: Elina MILOSLAVSKI, Hans HENKES, Ralf HANNES, Hermann MONSTADT
  • Publication number: 20150250628
    Abstract: The invention relates to an implant to be used for the occlusion of aneurysms in the region of vessel branches, in particular bifurcation aneurysms (A), with a mesh structure (3, 4), said implant comprising—from proximal to distal—a fixing section (b) by means of which the implant can be supported on the wall of a vessel, a permeable section (c) for the region of the vessel bifurcation, and a distal section (d) in which the implant is radially expanded in comparison to section (b) and which is intended for placement into the aneurysm (A).
    Type: Application
    Filed: August 22, 2013
    Publication date: September 10, 2015
    Applicant: Phenox GmbH
    Inventors: Hermann Monstadt, Ralf Hannes, Dennis Herklotz
  • Patent number: 9107670
    Abstract: The invention relates to an implant (1) to be used for the occlusion of aneurysms in the region of vessel branches, in particular bifurcation aneurysms (A), with a mesh structure (3, 4), said implant comprising—from proximal to distal—sections (a) to (d) where (a) is a section tapering down proximally in which the mesh structure is brought together to form one or several coupling elements (10). (b) is a fixing section by means of which the implant can be supported on the to wall of a vessel, (c) is a permeable section for the region of the vessel bifurcation, and (d) is a distal section in which the implant is expanded in comparison to section (b) and which is intended for placement into the aneurysm (A), wherein a separation zone (T1, T2) being arranged in the area of sections (c) or (d).
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: August 18, 2015
    Assignee: Phenox GmbH
    Inventors: Ralf Hannes, Hermann Monstadt
  • Patent number: 9055963
    Abstract: The invention relates to a device for the removal of foreign bodies and thrombi from body cavities and blood vessels using a guide wire provided with a distal element with said distal element being provided with an orthogonal structure.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: June 16, 2015
    Assignee: Phenox GmbH
    Inventors: Elina Miloslavski, Hans Henkes, Ralf Hannes, Hermann Monstadt
  • Patent number: 9050095
    Abstract: The invention relates to a medical implant in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn forming at the placement site during implantation a polyhedral tertiary structure, and the polyhedron being provided with at least one additional loop.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: June 9, 2015
    Assignee: Covidien LP
    Inventors: Hermann Monstadt, Hans Henkes, Achim Flesser, Ralf Hannes