Sylwester Gogolewski, Stephan M Perren: Self-locking resorbable screws and plates for internal fixation of bone fractures and tendon-to-bone attachment. Synthes, Davis Hoxie Faithful & Hapgood, January 4, 1994: US05275601 (378 worldwide citation)

An absorbable bone screw and plate system with self-locking properties. The absorbable bone screw comprises a threaded shaft portion 1 for insertion into bone and a head portion 3 for rigid connection in the screw hole 13 of a bone plate 20, the diameter of said head portion 3 increasing in the dire ...

Sylwester Gogolewski: Poly(L-lactide-co-glycolide) copolymers, methods for making and using same, and devices containing same. Synthes, Jones Day, June 8, 2004: US06747121 (307 worldwide citation)

The present invention relates in general to implantable, resorbable copolymers containing L-lactide and glycolide repeat units, and in particular to terpolymers containing L-lactide, glycolide, and one other type of repeat unit selected from the group consisting of D-lactide, D,L-lactide, and &egr;- ...

Sylwester Gogolewski, Martin Beck, Christian Gerber, Alberto G Schneeberger, Stephan M Perren: Resorbable tendon and bone augmentation device. Synthes, McAulay Fisher Nissen Goldberg & Kiel, June 18, 1996: US05527341 (177 worldwide citation)

The device is implantable in the living body for attachment and augmentation of tendons and/or reinforcement of bones. It comprises a substantially flat membrane having a rounded outer shape and at least two perforations. The membrane contains resorbable or degradable polymeric and/or polymeric-cera ...

Slobodan Tepic, Stephen J Bresina, Sylwester Gogolewski: Shell structure for bone replacement. Forschungsinstitut Davos Laboratorium fur Experimentelle Chirugie, McAulay Fisher Nissen Goldberg & Kiel, May 18, 1993: US05211664 (151 worldwide citation)

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 ...

Sylwester Gogolewski: Hardenable ceramic hydraulic cement. Synthes, Pennie & Edmonds, October 8, 2002: US06461632 (133 worldwide citation)

A method for delivering a therapeutically effective drug via a hardenable ceramic hydraulic cement composition including a first component of at least one sodium or calcium salts of inorganic and organic acids, a second component of at least one alkaline, and optionally third and fourth components i ...

Sylwester Gogolewski, Stephan M Perren: Resorbable fixation device with controlled stiffness for treating bodily material in vivo and introducer therefor. Synthes, McAulay Fisher Nissen Goldberg & Kiel, August 17, 1993: US05236431 (107 worldwide citation)

The resorbable fixation device is useful for treating torn bodily material in vivo. It has a tip, a head, and a cylindrically shaped shaft portion lying between the tip and the head. The shaft portion has at least one retention element protruding radially therefrom to facilitate insertion of said sh ...

Sylwester Gogolewski, Richard P Meinig, Stephan M Perren: Bone regeneration membrane. Laboratorium fur experimentalle Chirurgie Forschungsinstitut, Karen Lee Orzechowski, Walter C Nath & Associates Farley, October 14, 1997: US05676699 (105 worldwide citation)

A bone regeneration membrane containing resorbable or degradable, polymeric and/or polymeric-ceramic material with a glass transition temperature in the range of -30.degree. to +200.degree. C.

Sylwester Gogolewski, Albert J Pennings: Biocompatible, antithrombogenic materials suitable for reconstructive surgery. Medtronic, Vidas & Arrett, April 28, 1987: US04661530 (43 worldwide citation)

Biocompatible, highly antithrombogenic material for reconstructive surgery, which is based on poly (L-lactic acid) and or poly (dL-lactic acid) and segmented polyester and urethanes or polyether urethanes.

Sylwester Gogolewski: Multilayered prosthesis material and a method of producing same. Mendinvent, Burns Doane Swecker & Mathis, September 13, 1988: US04770664 (35 worldwide citation)

A method producing a multilayered prosthesis material for use with a living body, said material showing mechanical compliance vis-a-vis soft body tissue and possessing biocompatibility. The method comprising the steps:

Sylwester Gogolewski, Albert J Pennings: Method of preparing polyester filament material. Medtronic, Vidas & Arrett, April 10, 1990: US04915893 (25 worldwide citation)

Method of preparing a new synthetic surgical filament material by spinning a mixture of a polyester and an additive.