Patents by Inventor Stephen J. Bresina
Stephen J. Bresina 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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Patent number: 9808236Abstract: An internal bracing system is disclosed for stabilizing a joint such as the knee, shoulder, ankle or the like. The internal bracing system includes an extra-articular tension band mechanism and an anchor assembly therefore. The internal bracing system adds substantial control to unstable joints which is effective in limiting the pathological joint motions and internal slippage. The anchor anchoring assembly designed to affix a tethering device to various bony structures which form a joint, for the purpose of providing stability. The anchor assembly includes an anchor and a set screw. A series of disc structures compressed by the set screw securely holds the tether without binding.Type: GrantFiled: June 6, 2016Date of Patent: November 7, 2017Assignee: Advanced Bone Anchor, LLCInventors: W. Andrew Hodge, Slobodan Tepic, Stephen J. Bresina
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Patent number: 9655725Abstract: The articulating joint prostheses of the invention demonstrate reduced wear and can include a cup (101) formed of UHMWPE. An insert (150) of a hard material, such as metal, ceramic or cross-linked UHMWPE is positioned within the cup at a location of the contact between the cup and head (102). The shape of either component of the kinematic pair may be modified so as to result in an annular surface contact between the two components, with the insert positioned at the annular surface contact. Fluid trapped between the two components within the inner contour of the annular contact area is pressurized under load due to elastic deformation of the components and exuded out through an inter-articular gap over the surface of contact of the insert. This aids lubrication and reduces wear.Type: GrantFiled: August 31, 2012Date of Patent: May 23, 2017Assignee: Scyon Orthopaedics AGInventors: Stephen J. Bresina, Slobodan Tepic
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Publication number: 20160278762Abstract: An internal bracing system is disclosed for stabilizing a joint such as the knee, shoulder, ankle or the like. The internal bracing system includes an extra-articular tension band mechanism and an anchor assembly therefore. The internal bracing system adds substantial control to unstable joints which is effective in limiting the pathological joint motions and internal slippage. The anchor anchoring assembly designed to affix a tethering device to various bony structures which form a joint, for the purpose of providing stability. The anchor assembly includes an anchor and a set screw. A series of disc structures compressed by the set screw securely holds the tether without binding.Type: ApplicationFiled: June 6, 2016Publication date: September 29, 2016Inventors: W. ANDREW HODGE, SLOBODAN TEPIC, STEPHEN J. BRESINA
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Patent number: 9357995Abstract: An internal bracing system is disclosed for stabilizing a joint such as the knee, shoulder, ankle or the like. The internal bracing system includes an extra-articular tension band mechanism and an anchor assembly therefore. The internal bracing system adds substantial control to unstable joints which is effective in limiting the pathological joint motions and internal slippage. The anchor anchoring assembly designed to affix a tethering device to various bony structures which form a joint, for the purpose of providing stability. The anchor assembly includes an anchor and a set screw. A double helix thread/chamber structure between the anchor and set screw securely holds the tether without binding.Type: GrantFiled: February 23, 2015Date of Patent: June 7, 2016Assignee: Advanced Bone AnchorInventors: W. Andrew Hodge, Slobodan Tepic, Stephen J. Bresina
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Publication number: 20150164499Abstract: An internal bracing system is disclosed for stabilizing a joint such as the knee, shoulder, ankle or the like. The internal bracing system includes an extra-articular tension band mechanism and an anchor assembly therefore. The internal bracing system adds substantial control to unstable joints which is effective in limiting the pathological joint motions and internal slippage. The anchor anchoring assembly designed to affix a tethering device to various bony structures which form a joint, for the purpose of providing stability. The anchor assembly includes an anchor and a set screw. A double helix thread/chamber structure between the anchor and set screw securely holds the tether without binding.Type: ApplicationFiled: February 23, 2015Publication date: June 18, 2015Inventors: W. ANDREW HODGE, SLOBODAN TEPIC, STEPHEN J. BRESINA
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Publication number: 20150051707Abstract: The articulating joint prostheses of the invention demonstrate reduced wear and can include a cup (101) formed of UHMWPE. An insert (150) of a hard material, such as metal, ceramic or cross-linked UHMWPE is positioned within the cup at a location of the contact between the cup and head (102). The shape of either component of the kinematic pair may be modified so as to result in an annular surface contact between the two components, with the insert positioned at the annular surface contact. Fluid trapped between the two components within the inner contour of the annular contact area is pressurized under load due to elastic deformation of the components and exuded out through an inter-articular gap over the surface of contact of the insert. This aids lubrication and reduces wear.Type: ApplicationFiled: August 31, 2012Publication date: February 19, 2015Applicant: SCYON ORTHOPAEDICS AGInventors: Stephen J. Bresina, Slobodan Tepic
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Publication number: 20120035671Abstract: An internal bracing system is disclosed for stabilizing a joint such as the knee, shoulder, ankle or the like. The internal bracing system includes an extra-articular tension band mechanism and an anchor assembly therefore. The internal bracing system adds substantial control to unstable joints which is effective in limiting the pathological joint motions and internal slippage. The anchor anchoring assembly designed to affix a tethering device to various bony structures which form a joint, for the purpose of providing stability. The anchor assembly includes an anchor and a set screw. A double helix thread/chamber structure between the anchor and set screw securely holds the tether without binding.Type: ApplicationFiled: October 17, 2011Publication date: February 9, 2012Applicant: ADVANCED BONE ANCHOR, LLCInventors: W. Andrew Hodge, Slobodan Tepic, Stephen J. Bresina
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Patent number: 6533789Abstract: A device for rotational stabilization of bone segments comprising a bone plate, a bone lag screw, and a locking collar. The bone lag screw has a bone-engagement end, a distal end, and a keyed cross-sectional profile, the bone-engagement end configured for engaging a first bone segment. The bone plate has a flat portion for engaging a second bone segment and a barrel portion having an internal bore for slidably receiving the lag screw.Type: GrantFiled: April 4, 2000Date of Patent: March 18, 2003Assignee: Synthes (USA)Inventors: Harry Thomas Hall, IV, David John Little, II, Stephen J. Bresina
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Patent number: 6395035Abstract: An intervertebral fusion cage for insertion between two adjacent, opposing vertebrae, wherein the fusion cage is constructed in a way that stress absorbed by the cage is transferred to the graft material in the hollow inner cavity, thus allowing ideal strain levels to be attained in the graft material under minimal loads, while also offering a level of protection to the graft material preventing mechanical failure of the graft material due to high strains.Type: GrantFiled: April 11, 2001Date of Patent: May 28, 2002Assignee: Synthes (U.S.A.)Inventors: Stephen J. Bresina, Konrad Tagwerker, Manuel Schaer
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Patent number: 6309393Abstract: The present invention relates to a bone plate having a top side, a bottom side for contacting the bone, two longitudinal sides, a plurality of holes which extend from the top side to the bottom side, and a longitudinal axis. The cross-section of the holes tapers from the top side to the bottom side and the bottom side is provided with recesses. The surface of the top side adjacent to the holes forms island-like recesses relative to the remaining surface of the top side. The bottom side is provided with two different types of recesses which create a plurality of supporting points for contacting the bone. In addition, the holes conically taper from the top side to the bottom side.Type: GrantFiled: February 10, 1999Date of Patent: October 30, 2001Assignee: Synthes (U.S.A.)Inventors: Slobodan Tepic, Stephen J. Bresina, Stephen Perren
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Publication number: 20010016774Abstract: An invertebral fusion cage for insertion between two adjacent, opposing vertebrae, wherein the fusion cage is constructed in a way that stress absorbed by the cage is transferred to the graft material in the hollow inner cavity, thus allowing ideal strain levels to be attained in the graft material under minimal loads, while also offering a level of protection to the graft material preventing mechanical failure of the graft material due to high strains.Type: ApplicationFiled: April 11, 2001Publication date: August 23, 2001Inventors: Stephen J. Bresina, Konrad Tagwerker, Manuel Schaer
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Patent number: 5211664Abstract: Bone defects after trauma, tumor resection, etc. still present a major clcal problem. Current treatment with bone grafts, bone-inducing substances, Ilizarov techniques, artificial prosthetic replacements, or bone transplants are only partially satisfying. Bioresorbable shell structures for treatment of bone defects are disclosed. The shells are anatomically shaped and serve as containers or bone grafts or bone precursors as well as temporary structural supports. The shells are preferably porous allowing for nutritional support of the graft and limit the thickness of the graft to no more than a few millimeters. Thus nutrients and metabolic by-products transport by diffusion alone is sufficient to maintain grafted metabolism in the critical phase before revascularization takes place.Type: GrantFiled: January 14, 1992Date of Patent: May 18, 1993Assignee: Forschungsinstitut, Davos Laboratorium fur Experimentelle ChirugieInventors: Slobodan Tepic, Stephen J. Bresina, Sylwester Gogolewski