Patents by Inventor Christopher Rast
Christopher Rast 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).
-
Device to be implanted in human or animal tissue and method for implanting and assembling the device
Patent number: 11399953Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: GrantFiled: October 3, 2019Date of Patent: August 2, 2022Assignee: WOODWELDING AGInventors: Marcel Aeschlimann, Laurent Torriani, Andrea Müller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE
Publication number: 20200030115Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: ApplicationFiled: October 3, 2019Publication date: January 30, 2020Inventors: Marcel Aeschlimann, Laurent Torriani, Andrea Müller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
Device to be implanted in human or animal tissue and method for implanting and assembling the device
Patent number: 10470893Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: GrantFiled: June 7, 2017Date of Patent: November 12, 2019Assignee: WOODWELDING AGInventors: Marcel Aeschlimann, Laurent Torriani, Andrea Müller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
Device to be implanted in human or animal tissue and method for implanting and assembling the device
Patent number: 9782268Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: GrantFiled: November 11, 2015Date of Patent: October 10, 2017Assignee: WOODWELDING AGInventors: Marcel Aeschlimann, Laurent Torriani, Andrea Mueller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE
Publication number: 20170266018Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: ApplicationFiled: June 7, 2017Publication date: September 21, 2017Inventors: Marcel Aeschlimann, Laurent Torriani, Andrea Müller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
Device to be implanted in human or animal tissue and method for implanting and assembling the device
Patent number: 9724206Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: GrantFiled: September 19, 2007Date of Patent: August 8, 2017Assignee: WOODWELDING AGInventors: Marcel Aeschlimann, Laurent Torriani, Andrea Muller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jorg Mayer, Stephanie Mehl, Milica Berra -
Patent number: 9724183Abstract: A surgical method is provided, the method including the steps of: providing an artificial or allograft flexible planar structure; providing an implant, the implant including material liquefiable by mechanical oscillation, exposing a surface region of hard tissue or hard tissue substitute material; positioning the implant on an exposed area of the hard tissue or hard tissue substitute material; and fastening the implant to the hard tissue or hard tissue substitute material by impinging the proximal end of the implant with mechanical oscillation and simultaneously pressing the implant against the hard tissue or hard tissue substitute material while the distal end of the implant protrudes into a cavity of the hard tissue or hard tissue substitute material and regions of the liquefiable material are in contact with the hard tissue or hard tissue substitute material, and thereby liquefying at least a portion of the liquefiable material, and letting the liquefiable material resolidify.Type: GrantFiled: March 26, 2015Date of Patent: August 8, 2017Assignee: WOODWELDING AGInventors: Jörg Mayer, Urs Weber, Andrea Müller, Thomas Knecht, Philipp Seiler, Christopher Rast, Marcel Aeschlimann, Laurent Torriani
-
DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE
Publication number: 20160135961Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: ApplicationFiled: January 22, 2016Publication date: May 19, 2016Inventors: Marcel Aeschlimann, Laurent Torriani, Andrea Müller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
Patent number: 9301790Abstract: A device and method for fixation of bone fractures has a bone screw comprising a shank with a threaded end portion, on the outer surface. The screw has a through bore with two bore portions differing in diameter. A step in the diameter is formed between these bore portions and is located within the end of the screw having the thread. This step in diameter can support a metal insert which in turn supports a polymer pin when the latter if pressurized with a sonotrode in the bone screw. Together with an applied ultrasonic vibration the pressure fluidizes the polymer pin and presses the material through holes configured in the wall of the bone screw and into surrounding bone.Type: GrantFiled: August 28, 2013Date of Patent: April 5, 2016Assignees: Woodwelding AG, Stryker European Holdings I, LLCInventors: Klaus Dorawa, Manuel Schwager, Christopher Rast, Marcel Aeschlimann, Philipp Seiler
-
DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE
Publication number: 20160058579Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue includes two (or more than two) parts to be joined in situ. Each one of the parts includes a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations includes a material which is liquefiable by mechanical vibration and the other one of the joining locations includes a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected by pressing the two device parts against each other and by applying ultrasonic vibration to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: ApplicationFiled: November 11, 2015Publication date: March 3, 2016Inventors: Marcel Aeschlimann, Laurent Torriani, Andrea Mueller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jörg Mayer, Stephanie Mehl, Milica Berra -
Publication number: 20150196378Abstract: A surgical method is provided, the method including the steps of: providing an artificial or allograft flexible planar structure; providing an implant, the implant including material liquefiable by mechanical oscillation, exposing a surface region of hard tissue or hard tissue substitute material; positioning the implant on an exposed area of the hard tissue or hard tissue substitute material; and fastening the implant to the hard tissue or hard tissue substitute material by impinging the proximal end of the implant with mechanical oscillation and simultaneously pressing the implant against the hard tissue or hard tissue substitute material while the distal end of the implant protrudes into a cavity of the hard tissue or hard tissue substitute material and regions of the liquefiable material are in contact with the hard tissue or hard tissue substitute material, and thereby liquefying at least a portion of the liquefiable material, and letting the liquefiable material resolidify.Type: ApplicationFiled: March 26, 2015Publication date: July 16, 2015Inventors: Jörg Mayer, Urs Weber, Andrea Müller, Thomas Knecht, Philipp Seiler, Christopher Rast, Marcel Aeschlimann, Laurent Torriani
-
Patent number: 9017380Abstract: A surgical method is provided, the method including the steps of: providing an artificial or allograft flexible planar structure; providing an implant, the implant including material liquefiable by mechanical oscillation, exposing a surface region of hard tissue or hard tissue substitute material; positioning the implant on an exposed area of the hard tissue or hard tissue substitute material; and fastening the implant to the hard tissue or hard tissue substitute material by impinging the proximal end of the implant with mechanical oscillation and simultaneously pressing the implant against the hard tissue or hard tissue substitute material while the distal end of the implant protrudes into a cavity of the hard tissue or hard tissue substitute material and regions of the liquefiable material are in contact with the hard tissue or hard tissue substitute material, and thereby liquefying at least a portion of the liquefiable material, and letting the liquefiable material resolidify.Type: GrantFiled: March 30, 2007Date of Patent: April 28, 2015Assignee: Woodwelding AGInventors: Jörg Mayer, Urs Weber, Andrea Müller, Thomas Knecht, Philipp Seiler, Christopher Rast, Marcel Aeschlimann, Laurent Torriani
-
Patent number: 8911234Abstract: A bone implant (10) is implanted in a cavity parallel to an implant axis (l) and without substantial rotation. The implant includes, on an implant portion to be implanted, cutting edges (14), which do not extend in a common plane with the implant axis and are facing toward the distal end of the implant. The implant also includes surface ranges (16) of a material that is liquefiable by mechanical oscillations. The cutting edges (14) are dimensioned such that they are lodged in the cavity wall after implantation. For implantation, the implant is impinged with mechanical oscillations, resulting in the thermoplastic material being at least partially liquefied and pressed into unevennesses and pores of the cavity wall to form a form-fit and/or material-fit connection between implant (10) and cavity wall, when re-solidified. The cutting edges (14) anchor the implant in the cavity wall.Type: GrantFiled: January 28, 2005Date of Patent: December 16, 2014Assignee: Woodwelding AGInventors: Jorg Mayer, Marcel Aeschlimann, Laurent Torriani, Christopher Rast, Andrea Muller
-
Publication number: 20140237714Abstract: A shower tray having a heat exchanger that is arranged beneath the shower tray for recovering heat from waste water in order to heat up clean water, wherein a first heat-exchanger surface is in contact with the waste water and a second heat-exchanger surface is in contact with the clean water, and the first heat-exchanger surface forms the floor, or part of the floor, of the shower tray. The shower tray here is produced from one metal material and, in the region of the tray floor, beneath the shower tray, a base plate made of some other metal is fastened on the tray floor, so as to form a heat-conducting connection to the tray floor is formed substantially over the entire surface of the base plate. Beneath the base plate, tubes are connected to the base plate in an integral manner. The tubes form the second heat-exchanging surface.Type: ApplicationFiled: June 7, 2012Publication date: August 28, 2014Applicant: JOULIA AGInventors: Christoph Rusch, Marcel Aeschlimann, Christopher Rast, Reto Schmid, Martin Sigrist
-
Publication number: 20130345764Abstract: A device and method for fixation of bone fractures has a bone screw comprising a shank with a threaded end portion, on the outer surface. The screw has a through bore with two bore portions differing in diameter. A step in the diameter is formed between these bore portions and is located within the end of the screw having the thread. This step in diameter can support a metal insert which in turn supports a polymer pin when the latter if pressurized with a sonotrode in the bone screw. Together with an applied ultrasonic vibration the pressure fluidizes the polymer pin and presses the material through holes configured in the wall of the bone screw and into surrounding bone.Type: ApplicationFiled: August 28, 2013Publication date: December 26, 2013Applicant: STRYKER TRAUMA GMBHInventors: Klaus Dorawa, Manuel Schwager, Christopher Rast, Marcel Aeschlimann, Philipp Seiler
-
Patent number: 8556947Abstract: A device and method for fixation of bone fractures has a bone screw comprising a shank with a threaded end portion, on the outer surface. The screw has a through bore with two bore portions differing in diameter. A step in the diameter is formed between these bore portions and is located within the end of the screw having the thread. This step in diameter can support a metal insert which in turn supports a polymer pin when the latter if pressurized with a sonotrode in the bone screw. Together with an applied ultrasonic vibration the pressure fluidizes the polymer pin and presses the material through holes configured in the wall of the bone screw and into surrounding bone.Type: GrantFiled: July 13, 2007Date of Patent: October 15, 2013Assignee: Stryker Trauma GmbHInventors: Klaus Dorawa, Manuel Schwager, Christopher Rast, Marcel Aeschlimann, Philipp Seiler
-
DEVICE TO BE IMPLANTED IN HUMAN OR ANIMAL TISSUE AND METHOD FOR IMPLANTING AND ASSEMBLING THE DEVICE
Publication number: 20100023057Abstract: An implant or endoprosthesis suitable to be implanted in human or animal tissue comprises two (or more than two) parts to be joined in situ. Each one of the parts comprises a joining location, the two joining locations facing each other when the device parts are positioned for being joined together, wherein one of the joining locations comprises a material which is liquefiable by mechanical vibration and the other one of the joining locations comprises a material which is not liquefiable by mechanical vibration and a structure (e.g. undercut cavities or protrusions) suitable for forming a positive fit connection with the liquefiable material. The joining process is effected pressing the two device parts against each other and by applying vibration, e.g. ultrasonic vibration, to one of the device parts when the two parts are positioned relative to each other such that the two joining locations are in contact with each other.Type: ApplicationFiled: September 19, 2007Publication date: January 28, 2010Applicant: WOODWELDING AGInventors: Marcel Aeschlimann, Laurent Torriani, Andrea Muller, Thomas Knecht, Philipp Seiler, Urs Weber, Christopher Rast, Jorg Mayer, Stephanie Mehl, Milica Berra -
Publication number: 20070265704Abstract: A surgical method is provided, the method including the steps of: providing an artificial or allograft flexible planar structure; providing an implant, the implant including material liquefiable by mechanical oscillation, exposing a surface region of hard tissue or hard tissue substitute material; positioning the implant on an exposed area of the hard tissue or hard tissue substitute material; and fastening the implant to the hard tissue or hard tissue substitute material by impinging the proximal end of the implant with mechanical oscillation and simultaneously pressing the implant against the hard tissue or hard tissue substitute material while the distal end of the implant protrudes into a cavity of the hard tissue or hard tissue substitute material and regions of the liquefiable material are in contact with the hard tissue or hard tissue substitute material, and thereby liquefying at least a portion of the liquefiable material, and letting the liquefiable material resolidify.Type: ApplicationFiled: March 30, 2007Publication date: November 15, 2007Applicant: WOODWELDING AGInventors: Jorg Mayer, Urs Weber, Andrea Muller, Thomas Knecht, Philipp Seiler, Christopher Rast, Marcel Aeschlimann, Laurent Torriani
-
Publication number: 20060122543Abstract: For promoting tissue regeneration on wound surfaces (1) mechanical oscillation is coupled into the wound surfaces. A treatment instrument (2) coupled to an oscillation drive is brought into contact with the wound surface (1), or an implant is impinged with oscillation during and/or after being positioned in the tissue. The oscillation acts mechanically and thermally on the tissue in the region of the treated wound surface (1), and according to the intensity acts in a stimulating, traumatic, necrotic or cell-destroying manner. Therefore, biological elements inhibiting tissue regeneration are destroyed or denatured and the metabolism in the region of the wound surface is stimulated. The effect may also be a mechanical one, slightly compacting or regionally dislocating the tissue.Type: ApplicationFiled: July 29, 2004Publication date: June 8, 2006Applicant: WOODWELDING AGInventors: Jorg Mayer, Christopher Rast, Marcel Aeschlimann, Laurent Torriani
-
Publication number: 20060105295Abstract: A bone implant (10) is implanted in a cavity parallel to an implant axis (I) and without substantial rotation. The implant includes, on an implant portion to be implanted, cutting edges (14), which do not extend in a common plane with the implant axis and are facing toward the distal end of the implant. The implant also includes surface ranges (16) of a material that is liquefiable by mechanical oscillations. The cutting edges (14) are dimensioned such that they are lodged in the cavity wall after implantation. For implantation, the implant is impinged with mechanical oscillations, resulting in the thermoplastic material being at least partially liquefied and pressed into unevennesses and pores of the cavity wall to form a form-fit and/or material-fit connection between implant (10) and cavity wall, when re-solidified. The cutting edges (14) anchor the implant in the cavity wall.Type: ApplicationFiled: January 28, 2005Publication date: May 18, 2006Applicant: Woodwelding AGInventors: Jorg Mayer, Marcel Aeschlimann, Laurent Torriani, Christopher Rast, Andrea Muller