Patents by Inventor Ronald Prager
Ronald Prager 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).
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Publication number: 20220226558Abstract: A bone harvesting device includes a main body having an internal cavity and a suction port adapted to be coupled to a suction source. The device further includes an outer tube (200) having an interior surface, an exterior surface, a proximal end and a distal end, the proximal end of the outer tube being coupleable to the main body, an inner tube having an interior surface, an exterior surface, a proximal end and a distal end, the inner tube being in fluid communication with the internal cavity and at least partially disposed within the outer tube such that a venting channel is defined between at least a portion of the inner tube and at least a portion of the outer tube.Type: ApplicationFiled: February 7, 2020Publication date: July 21, 2022Inventors: Roman Nassutt, Torben Bröhan, Helge Giersch, Ronald Prager
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Patent number: 9456875Abstract: Device and a method for positioning and monitoring the rotary orientation of extremity bone fragments when implanting an intramedullary implant, and in particular to a device and a method for monitoring the rotary orientation of extremity bone fragments of the leg when implanting an intramedullary nail by using a monitoring of locking means of the intramedullary nail which so as to improve the accuracy of the orientation of extremity bone fragments.Type: GrantFiled: December 23, 2010Date of Patent: October 4, 2016Assignee: Stryker European Holdings I, LLCInventors: Volker Bühren, Ronald Prager
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Patent number: 8672940Abstract: An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: GrantFiled: August 7, 2012Date of Patent: March 18, 2014Assignee: Stryker Trauma GmbHInventors: Ronald Prager, Nils Zander
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Publication number: 20130317512Abstract: Device and a method for positioning and monitoring the rotary orientation of extremity bone fragments when implanting an intramedullary implant, and in particular to a device and a method for monitoring the rotary orientation of extremity bone fragments of the leg when implanting an intramedullary nail by using a monitoring of locking means of the intramedullary nail which so as to improve the accuracy of the orientation of extremity bone fragments.Type: ApplicationFiled: December 23, 2010Publication date: November 28, 2013Applicant: STRYKER TRAUMA GMBHInventors: Volker Bühren, Ronald Prager
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Patent number: 8372085Abstract: A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screwdriving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover.Type: GrantFiled: April 18, 2008Date of Patent: February 12, 2013Assignee: Stryker Trauma GmbHInventors: Ronald Prager, Stefan Völzow
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Publication number: 20130012943Abstract: An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: ApplicationFiled: August 7, 2012Publication date: January 10, 2013Applicant: STRYKER TRAUMA GMBHInventors: Ronald Prager, Nils Zander
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Patent number: 8241287Abstract: An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: GrantFiled: April 5, 2010Date of Patent: August 14, 2012Assignee: Stryker Trauma GmbHInventors: Ronald Prager, Nils Zander
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Publication number: 20100191240Abstract: An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: ApplicationFiled: April 5, 2010Publication date: July 29, 2010Applicant: Stryker Trauma GmbHInventors: Ronald Prager, Nils Zander
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Publication number: 20080243136Abstract: A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screw-driving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover.Type: ApplicationFiled: April 18, 2008Publication date: October 2, 2008Applicant: Stryker Trauma GmbHInventors: Ronald Prager, Stefan Volzow
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Publication number: 20070239164Abstract: An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: ApplicationFiled: June 5, 2007Publication date: October 11, 2007Applicant: Stryker Trauma GmbHInventors: Ronald Prager, Nils Zander
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Patent number: 7247157Abstract: An implant for osteosynthesis, for example a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is smaller than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: GrantFiled: January 12, 2004Date of Patent: July 24, 2007Assignee: Stryker Trauma GmbHInventors: Ronald Prager, Nils Zander
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Publication number: 20060155289Abstract: A device for reaming of a bone cavity or a channel of a hollow bone has an elongated, hollow shaft, a first end of which is adapted to be mounted to a rotary drive means in an angularly stable fashion. The device has a spindle, which is borne rotatably within the shaft and has a first end which extends to the mounting-end of the shaft and a second end which extends beyond the other end of the shaft. The first end of spindle is adapted for a rotary connection to a drive spindle of the rotary device means. A flexible, elongated member is provided which is, at its first end, laterally connectable to the second end of spindle, and a profile member made of a hard material located at the other end of the flexible member.Type: ApplicationFiled: December 8, 2005Publication date: July 13, 2006Applicant: Stryker Trauma GmbHInventors: Reinhard Windhager, Ronald Prager, Bernd Robioneck
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Publication number: 20050115368Abstract: A screwdriver for bone screws, especially for compression screws and locking screws, has a handle and shaft extending out centrally from the handle. The shaft has a screw-driving tool on its free end. The shaft, includes a flexible shaft portion, wherein the shaft has two rigid, solid portions on both sides of the flexible portion. The flexible shaft portion has a flexible element for the transmission of a torque, and at least the flexible shaft portion is surrounded by an elastic protection hose or a rubber or plastic elastomeric tubular cover.Type: ApplicationFiled: November 16, 2004Publication date: June 2, 2005Applicant: Stryker Trauma GmbHInventors: Ronald Prager, Stefan Volzow
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Publication number: 20040158252Abstract: An implant for osteosynthesis, such as, for example, a bone nail, has an implant body which has at least one bore with a threaded portion and a bone screw which engages the thread when it is threaded into a bone for the fixation of the implant body. The threaded bore has an annular groove the diameter of which is larger than the thread outer diameter, and which receives a ring of a deformable material with an inner diameter which is larger than the outer diameter of the thread of the bone screw so that the ring extends partially into the bore.Type: ApplicationFiled: January 12, 2004Publication date: August 12, 2004Applicant: Stryker Trauma GmbHInventors: Ronald Prager, Nils Zander