Patents by Inventor Rolf Weiler

Rolf Weiler 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).

  • Patent number: 11020167
    Abstract: An instrument (10) provided for simultaneous coagulation and dissection of tissue has tissue receptacles between the cutting electrode and the sealing electrode for the formation of tissue bulges to secure the tissue in the tool during the sealing process. In order to make it possible to form voluminous tissue bulges and to prevent their atrophy, the cutting electrode is supplied by a current limiting component, preferably in the form of a coupling capacitor. Thereby, in particular, in tissue that can be cut through easily, but which requires a long time for sealing, a high degree of process safety is achieved.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: June 1, 2021
    Assignee: Erbe Elektromedizin GmbH
    Inventors: Heiko Schall, Achim Brodbeck, Rolf Weiler, Volker Mayer, Tobias Amann
  • Publication number: 20210153927
    Abstract: A surgical tool for performing telesurgical surgical operations such as cutting, shearing, grasping, engaging, or contacting tissue. The surgical tool comprises a pair of jaws cooperatively rotating open and close about an axis of rotation. The jaws further comprise one or more compliant electrodes electrically communicating with a conductor to deliver electrical energy to tissue engaged by the jaws. The electrodes formed of an elastomeric material impregnated with a conductive material or formed atop an elastomeric material allowing a certain amount of flexibility and thereby maintaining more consistent pressure on the tissue when the jaws engage the tissue.
    Type: Application
    Filed: June 28, 2018
    Publication date: May 27, 2021
    Inventors: Adam Ross, Rolf Weiler, II, Volker Mayer
  • Patent number: 10987157
    Abstract: The coagulation arrangement (10) according to the invention comprises an instrument (11) having a tool (17) comprising coagulating electrodes (22, 23, 27, 28), as well as a dissecting electrode (36). The electrodes are powered by a circuit (44) that comprises a coagulating voltage source (54) and a dissecting voltage source (55), or that can be connected to such sources. The device comprises a dissection actuating switch (60) and a coagulation actuating switch (59). The former is connected to a power switch (58) that—in dissecting mode—connects the current path from the dissecting voltage source (55) to the dissecting electrode (36), before the dissecting voltage source (55) or the HF output voltage source (47) and the coagulating voltage source (54) are actuated. Thus, the user is presented with a reliable means in a simple manner in order to be able to more flexibly perform more complex operations.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: April 27, 2021
    Assignee: Erbe Elektromedizin GmbH
    Inventors: Rolf Weiler, Martin Fritz, Heiko Schall
  • Publication number: 20200330148
    Abstract: An electrosurgical instrument (10) with two branches (11, 12) that are pivotably supported at each other by means of a pivot joint (13) is disclosed. The pivot joint (13) has a support pin (34) and a support cavity (37). The support pin (34) is particularly torque-proof connected with one of the branches (11) or (12) and rotatably supported in the support cavity (37) of the respective other branch (12) or (11). Between the branches (11, 12) a seal (45) is provided that sealingly abuts at the two branches (11, 12) and that surrounds the support pin (34) completely in the circumferential direction. Preferably, the support pin (34) is sealingly connected with the respective branch (11, 12) at its axial ends. In doing so, entering of contaminants in the area between the support pin (34) and the support cavity (37) from all sides or access possibilities is inhibited.
    Type: Application
    Filed: April 15, 2020
    Publication date: October 22, 2020
    Inventor: Rolf Weiler
  • Publication number: 20190262850
    Abstract: A color change system includes a stator having a plurality of media valves where each of the plurality of media valves has a valve closing body disposed within a valve chamber that is formed in the stator. A fluid connection is provided which emanates a plurality of control channels which lead to a respective control pressure chamber of the media valves where a respective mechanically operable switch valve is located in each of the plurality of control channels. Mechanical actuators are disposed such that only one switch valve is activatable selectively dependent on a relative position of a selector head to the stator.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 29, 2019
    Applicant: APSON Lackiertechnik GmbH
    Inventors: Harald SONNLEITNER, Heinz-Dieter SONNLEITNER, Rolf WEILER
  • Publication number: 20180338791
    Abstract: The instrument comprises a jaw arrangement with two jaws that have, on their side facing the counter-electrode arrangement, rounded or flat electrode surfaces. The counter-electrode arrangement comprises at least one counter-electrode surface that may be rounded or flat. One of the electrode surfaces has a band edge preferably bordered by an insulator on one side, said band edge being adjacent to the adjacent electrode surface of the jaw arrangement. The counter-electrode surface has a band edge adjacent to the insulator facing the band edge of the one electrode surface. The band edges of the electrode surfaces acting as the coagulation surfaces are close enough such that they form cutting edges that develop a cutting effect with low voltages that are otherwise suitable only for coagulation. Accordingly, it is possible to provide fusion instruments that are extremely delicate, display lower thermal inertia and an excellent fusion and cutting effect.
    Type: Application
    Filed: May 23, 2018
    Publication date: November 29, 2018
    Inventors: Bernhard Tobias NOLD, Rolf Weiler, Peter Selig, Klaus Fischer, Lars Blobel
  • Patent number: 10130414
    Abstract: A sealing instrument (10) including two branches (15, 16) with sealing jaws (19, 20, 36, 37) acted on by a sealing voltage preferably between 80 and 120 volts. Tissue receptacles (53, 54) are separated from one another by a wall-like extension (24), which at its lower edge carries a cutting electrode (31), are defined between the branches (15, 16). A cutting voltage from 300 to 500 volts is applied between a branch (16) and the cutting electrode. When the branches are closed the grasped tissue is sealed simultaneously between the sealing jaws (19, 36 and 20, 37) and is severed by the cutting electrode (31). Even though the tissue is severed completely; for example after 0.3 to 0.5 seconds and the sealing requires more time, the rolls of tissue grasped in the tissue receptacles (53, 54) act as form-fitting protection of the vessel edges in the tool (12).
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: November 20, 2018
    Assignee: Erbe Elektromedizin GmbH
    Inventors: Rolf Weiler, Volker Mayer, Heiko Schall, Achim Brodbeck, Tobias Amann
  • Publication number: 20170065331
    Abstract: A tool (16) for the coagulation and dissection of biological tissue including a counter-bearing (35) that has at least one recess (37) open toward the outside and/or one or more hollow chambers (63). The recess (37) or the hollow chamber (63) is configured to provide a force/path elasticity characteristic curve with a plateau-like region II, V, during compression and reexpansion. The path section x in which the elasticity characteristic curve indicates the plateau II, IV preferably is as long as the tissue to be dissected is thick, and is, for example, in the range of 0.2 to 1.5 mm. As a result, the force exerted on the tissue during the cutting operation remains substantially constant in the effective work region.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 9, 2017
    Inventors: Volker Mayer, Rolf Weiler
  • Publication number: 20170049505
    Abstract: The coagulation arrangement (10) according to the invention comprises an instrument (11) having a tool (17) comprising coagulating electrodes (22, 23, 27, 28), as well as a dissecting electrode (36). The electrodes are powered by a circuit (44) that comprises a coagulating voltage source (54) and a dissecting voltage source (55), or that can be connected to such sources. The device comprises a dissection actuating switch (60) and a coagulation actuating switch (59). The former is connected to a power switch (58) that—in dissecting mode—connects the current path from the dissecting voltage source (55) to the dissecting electrode (36), before the dissecting voltage source (55) or the HF output voltage source (47) and the coagulating voltage source (54) are actuated. Thus, the user is presented with a reliable means in a simple manner in order to be able to more flexibly perform more complex operations.
    Type: Application
    Filed: August 19, 2016
    Publication date: February 23, 2017
    Inventors: Rolf Weiler, Martin Fritz, Heiko Schall
  • Publication number: 20160066980
    Abstract: An instrument (10) provided for simultaneous coagulation and dissection of tissue has tissue receptacles between the cutting electrode and the sealing electrode for the formation of tissue bulges to secure the tissue in the tool during the sealing process. In order to make it possible to form voluminous tissue bulges and to prevent their atrophy, the cutting electrode is supplied by a current limiting component, preferably in the form of a coupling capacitor. Thereby, in particular, in tissue that can be cut through easily, but which requires a long time for sealing, a high degree of process safety is achieved.
    Type: Application
    Filed: September 3, 2015
    Publication date: March 10, 2016
    Inventors: Heiko Schall, Achim Brodbeck, Rolf Weiler, Volker Mayer, Tobias Amann
  • Publication number: 20150374430
    Abstract: A sealing instrument (10) including two branches (15, 16) with sealing jaws (19, 20, 36, 37) acted on by a sealing voltage preferably between 80 and 120 volts. Tissue receptacles (53, 54) are separated from one another by a wall-like extension (24), which at its lower edge carries a cutting electrode (31), are defined between the branches (15, 16). A cutting voltage from 300 to 500 volts is applied between a branch (16) and the cutting electrode. When the branches are closed the grasped tissue is sealed simultaneously between the sealing jaws (19, 36 and 20, 37) and is severed by the cutting electrode (31). Even though the tissue is severed completely; for example after 0.3 to 0.5 seconds and the sealing requires more time, the rolls of tissue grasped in the tissue receptacles (53, 54) act as form-fitting protection of the vessel edges in the tool (12).
    Type: Application
    Filed: June 24, 2015
    Publication date: December 31, 2015
    Inventors: Rolf Weiler, Volker Mayer, Heiko Schall, Achim Brodbeck, Tobias Amann
  • Patent number: 7523815
    Abstract: A brake caliper of a disc brake includes a housing with a bore, in which a piston is arranged in an axially displaceable fashion, a shaft for actuation, which is mounted in a rotatable and axially displaceable fashion, two ramp elements being rotatable in relation to each other, a readjusting device with a spindle, and an axial bearing that is active between the shaft and the spindle. A generic brake caliper of a disc brake includes components having a construction to withstand stress so that they are exposed to even, low stress without detrimental tension peaks. A toothing is provided on a circumference of the spindle, and a form-fit accommodation means for the toothing is provided. The accommodation means are unrotatably connected to the housing and secure the spindle against twisting. A calotte arrangement is also provided as an axial bearing, which comprises a calotte shell with a concavely curved surface and a calotte pivot with a convexly curved surface.
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: April 28, 2009
    Assignee: Continental Teves AG & Co. oHG
    Inventors: Ralph Petri, Rolf Weiler, Jürgen Balz, Michael Weidenweber
  • Patent number: 7513340
    Abstract: The present invention relates to a brake holder of a floating-caliper disc brake for motor vehicles at which brake pads arranged on either side of an associated brake disc are displaceably mounted. To ensure ease of displaceability a brake pad guide spring is provided that extends between the brake holder and the brake pads. For ease of mountability of both the brake pads and the brake pad guide spring, it is arranged for that the brake pad guide spring is mountable on the brake holder in a generally radial direction and is locked at the brake holder in both radial and axial directions by means of at least one fixing clamp, and at least one spring arm is designed at the brake pad guide spring and fixes at least one brake pad under spring bias in position on the brake holder in a clearance-free manner. These provisions not only improve the mountability of a brake of this type but also the rattle-free resilient arrangement of the brake pads.
    Type: Grant
    Filed: June 7, 2003
    Date of Patent: April 7, 2009
    Assignee: Continental Teves AG & Co. OHG
    Inventors: Uwe Hendrich, Reiner Müller, Rolf Weiler
  • Patent number: 7434669
    Abstract: A hydraulic vehicle brake equipped with a parking brake device, in particular for motor vehicles, including a brake housing in which a hydraulic service pressure chamber is delimited by a brake piston, wherein the parking brake device acts on the brake piston and, in the applied condition, can be locked by a locking device, and an energy accumulator cooperating with the brake piston is equipped with at least one integrated spring element. In order to realize a simple and low-cost parking brake function that complies with legal requirements, according to the invention, the parking brake device is operable by a pressure that is introduced into the service pressure chamber and enables charging the energy accumulator.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: October 14, 2008
    Assignee: Continental Teves AG & Co. oHG
    Inventors: Georg Halasy-Wimmer, Lothar Schiel, Rolf Weiler, Jürgen Balz, Peter Schack, Thomas Bauer, Stefan A. Drumm, Andreas Heise, Joachim Scholer, Stefan Johannes Schmitt, Andreas Pohlmann, Thomas Winkler, Volker Knop, Jörn Schriefer, Ralf Hartmann, Karsten Schille, Johannes Görlach, Peter Volz
  • Publication number: 20080135354
    Abstract: A brake caliper of a disc brake includes a housing with a bore, in which a piston is arranged in an axially displaceable fashion, a shaft for actuation, which is mounted in a rotatable and axially displaceable fashion, two ramp elements being rotatable in relation to each other, a readjusting device with a spindle, and an axial bearing that is active between the shaft and the spindle. A generic brake caliper of a disc brake includes components having a construction to withstand stress so that they are exposed to even, low stress without detrimental tension peaks. A toothing is provided on a circumference of the spindle, and a form-fit accommodation means for the toothing is provided. The accommodation means are unrotatably connected to the housing and secure the spindle against twisting. A calotte arrangement is also provided as an axial bearing, which comprises a calotte shell with a concavely curved surface and a calotte pivot with a convexly curved surface.
    Type: Application
    Filed: November 25, 2005
    Publication date: June 12, 2008
    Inventors: Ralph Petri, Rolf Weiler, Jurgen Balz, Michael Weidenweber
  • Publication number: 20070272501
    Abstract: Disclosed is a spot-type disc brake (1) having a spring assembly (10, 20) for active adjustment of a clearance between a brake lining (4) and a brake disc. A spring assembly (10, 20) of this type ensures that the brake linings (4) are appropriately lifted from the brake disc after brake application is completed. In this arrangement, the spot-type disc brake (1) includes a brake caliper (3) straddling a brake disc, at least one brake lining (4) displaceably arranged in relation to the brake caliper (3), at least one actuating device (5) arranged in the brake caliper (3) for exerting an application force on the brake lining (4), and a spring assembly (10, 20) which is detachably fastened in the spot-type disc brake (1).
    Type: Application
    Filed: October 14, 2004
    Publication date: November 29, 2007
    Inventors: Rolf Weiler, Stephan Heiderick, Hans Bungert, Gotz Mehner, Christoph Sander
  • Publication number: 20070151818
    Abstract: Disclosed is an electromechanically actuated parking brake for motor vehicles that is designed as a drum brake of the ‘Duo-Servo’ type, including a floatingly supported expanding lock which is operable by an electromechanical actuator arranged on a wheel carrier, and which is essentially composed of a threaded-nut/spindle assembly, the threaded nut of which is driven by the electromechanical actuator, and of two thrust members. At least one spring element is provided in the flux of force between the threaded-nut/spindle assembly and at least one of the thrust members. This provision allows compensating losses of application force, while the set application force is maintained in a reliable manner.
    Type: Application
    Filed: October 29, 2004
    Publication date: July 5, 2007
    Inventors: Paul Linhoff, Jochen Thiesing, Jurgen Balz, Enrico Ruck, Samir Attayebi, Jurgen Volkel, Rolf Weiler
  • Patent number: 7213688
    Abstract: A disc brake for a motor vehicle having at least two axially stationary friction rings being connected to a rotatable hub. The disc brake comprises several brake pads cooperating with the associated friction rings during a braking operation. A favorable structural overall design of the disc brake is achieved by a brake caliper straddling all friction rings and the associated brake pads and including a first actuating device in a brake caliper portion that extends axially beside the friction rings, and a second actuating device that is arranged between two friction rings and acting axially on both sides. Said actuating device acts on the brake pads arranged between two friction rings and is arranged so as to be displaceable relative to the brake caliper.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: May 8, 2007
    Assignee: Continental Teves AG & Co. oHG
    Inventors: Uwe Hendrich, Rolf Weiler, Jürgen Bauer, Stefan Heinz, Nándor Csöri
  • Publication number: 20060278477
    Abstract: The present device relates to an electromechanically operated parking brake for motor vehicles that is designed as a drum brake of the ‘Duo-Servo’ type, including a floatingly supported expanding lock which is operable by an electromechanical actuator arranged on a wheel support member and which acts on two brake shoes. To ensure the floating support of the expanding lock that is formed of a threaded-nut/spindle assembly and to always provide a desired application force, the invention discloses that the threaded nut on its outside circumference has a spur toothing which forms a spiral-toothed gear wheel system along with a spiral-toothed gear wheel driven by the electromechanical actuator.
    Type: Application
    Filed: December 10, 2003
    Publication date: December 14, 2006
    Inventors: Jürgen Balz, Rolf Weiler, Stefan Schmitt, Andreas Pohlmann, Sebastian Salzmann
  • Publication number: 20060070828
    Abstract: The present invention relates to a brake holder of a floating-caliper disc brake for motor vehicles at which brake pads arranged on either side of an associated brake disc are displaceably mounted. To ensure ease of displaceability a brake pad guide spring is provided that extends between the brake holder and the brake pads. For ease of mountability of both the brake pads and the brake pad guide spring, it is arranged for that the brake pad guide spring is mountable on the brake holder in a generally radial direction and is locked at the brake holder in both radial and axial directions by means of at least one fixing clamp, and at least one spring arm is designed at the brake pad guide spring and fixes at least one brake pad under spring bias in position on the brake holder in a clearance-free manner. These provisions not only improve the mountability of a brake of this type but also the rattle-free resilient arrangement of the brake pads.
    Type: Application
    Filed: June 7, 2003
    Publication date: April 6, 2006
    Inventors: Uwe Hendrich, Reiner Muller, Rolf Weiler