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Timo Pohjonen

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Anne Huhtala; Seppo Rönkkö; Markku Teräsvirta; Tuomo Puustjärvi; Roope Sihvola; Katja Vehanen; Antti Laukkanen; Johanna Anttila; Arto Urtti; Timo Pohjonen; Hannu Uusitalo
The effects of 5-fluorouracil on ocular tissues in vitro and in vivo after controlled release from a multifunctional implant.
Anne Huhtala; Timo Pohjonen; Lotta Salminen; Antero Salminen; Kai Kaarniranta; Hannu Uusitalo
In vitro biocompatibility of degradable biopolymers in cell line cultures from various ocular tissues: extraction studies.
Anu Saikku-Bäckström; Riitta-Mari Tulamo; Jan E Räihä; Timo Pohjonen; Terttu Toivonen; Pertti Törmälä; Pentti Rokkanen
Intramedullary fixation of femoral cortical osteotomies with interlocked biodegradable self-reinforced poly-96L/4D-lactide (SR-PLA96) nails.

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All Publications

2009: Anne Huhtala; Seppo Rönkkö; Markku Teräsvirta; Tuomo Puustjärvi; Roope Sihvola; Katja Vehanen; Antti Laukkanen; Johanna Anttila; Arto Urtti; Timo Pohjonen; Hannu Uusitalo
The effects of 5-fluorouracil on ocular tissues in vitro and in vivo after controlled release from a multifunctional implant.
Investigative ophthalmology & visual science 2009;50(5):2216-23.
2008: Anne Huhtala; Timo Pohjonen; Lotta Salminen; Antero Salminen; Kai Kaarniranta; Hannu Uusitalo
In vitro biocompatibility of degradable biopolymers in cell line cultures from various ocular tissues: extraction studies.
Journal of materials science. Materials in medicine 2008;19(2):645-9.
2004: Anu Saikku-Bäckström; Riitta-Mari Tulamo; Jan E Räihä; Timo Pohjonen; Terttu Toivonen; Pertti Törmälä; Pentti Rokkanen
Intramedullary fixation of femoral cortical osteotomies with interlocked biodegradable self-reinforced poly-96L/4D-lactide (SR-PLA96) nails.
Biomaterials 2004;25(13):2669-77.
2002: Satu Länsman; Willy Serlo; O Linna; Timo Pohjonen; Pertti Törmälä; Timo Waris; Nureddin Ashammakhi
Treatment of pectus excavatum with bioabsorbable polylactide plates: Preliminary results.
Journal of pediatric surgery 2002;37(9):1281-6.
2002: Laura Tieline; Pauli Puolakkainen; Timo Pohjonen; Jorma Rautavuori; Pertti Törmälä; Pentti Rokkanen
The effect of transforming growth factor-beta1, released from a bioabsorbable self-reinforced polylactide pin, on a bone defect.
Biomaterials 2002;23(18):3817-23.
2002: Lauri Handolin; Timo Pohjonen; Esa K Partio; Ilkka Arnala; Pertti Törmälä; Pentti Rokkanen
The effects of low-intensity pulsed ultrasound on bioabsorbable self-reinforced poly L-lactide screws.
Biomaterials 2002;23(13):2733-6.
2002: Pirkka Mäkelä; Timo Pohjonen; Pertti Törmälä; Timo Waris; Nureddin Ashammakhi
Strength retention properties of self-reinforced poly L-lactide (SR-PLLA) sutures compared with polyglyconate (Maxon) and polydioxanone (PDS) sutures. An in vitro study.
Biomaterials 2002;23(12):2587-92.
2002: Harri Pihlajamäki; E Antero Mäkelä; Nureddin Ashammakhi; Janne Viljanen; Hannu Pätiälä; Pentti Rokkanen; Timo Pohjonen; Pertti Törmälä; Antti Joukainen
Strength retention of drawn self-reinforced polyglycolide rods and fixation properties of the distal femoral osteotomies with these rods. An experimental study on rats.
Journal of materials science. Materials in medicine 2002;13(4):389-95.
2002: Pia Nordström; Timo Pohjonen; Pertti Törmälä; Pentti Rokkanen
Shear-load carrying capacities of the distal rat femora after osteotomy fixed with self-reinforced polyglycolic acid and poly-L-lactic acid pins.
Journal of materials science. Materials in medicine 2002;13(1):65-8.
2001: Willy Serlo; OI Kaarela; Hilkka Peltoniemi; J Merikanto; Nureddin Ashammakhi; K Lassila; Timo Pohjonen; Pertti Törmälä; Timo Waris
Use of self-reinforced polylactide osteosynthesis devices in craniofacial surgery: a long-term follow-up study.
Scandinavian journal of plastic and reconstructive surgery and hand surgery / Nordisk plastikkirurgisk forening [and] Nordisk klubb for handkirurgi 2001;35(3):285-92.
2001: Pia Nordström; Timo Pohjonen; Pertti Törmälä; Pentti Rokkanen
Shear-load carrying capacity of cancellous bone after implantation of self-reinforced polyglycolic acid and poly-L-lactic acid pins: experimental study on rats.
Biomaterials 2001;22(18):2557-61.
2001: Jukka Kettunen; A Mäkelä; H Miettinen; T Nevalainen; Timo Pohjonen; E Suokas; Pentti Rokkanen
The fixation properties of carbon fiber-reinforced liquid crystalline polymer implant in bone: an experimental study in rabbits.
Journal of biomedical materials research 2001;56(1):137-43.
2001: Kirsi Jukkala-Partio; Timo Pohjonen; Outi Laitinen; Esa K Partio; Jarkko Vasenius; Terttu Toivonen; Jaakko Kinnunen; Pertti Törmälä; Pentti Rokkanen
Biodegradation and strength retention of poly-L-lactide screws in vivo. An experimental long-term study in sheep.
Annales chirurgiae et gynaecologiae 2001;90(3):219-24.
2000: Kirsi Jukkala-Partio; Esa K Partio; P Helevirta; Timo Pohjonen; Pertti Törmälä; Pentti Rokkanen
Treatment of subcapital femoral neck fractures with bioabsorbable or metallic screw fixation. A preliminary report.
Annales chirurgiae et gynaecologiae 2000;89(1):45-52.
1999: Ilkka Kallela; Riitta-Mari Tulamo; Jarkko Hietanen; Timo Pohjonen; Riitta Suuronen; Christian Lindqvist
Fixation of mandibular body osteotomies using biodegradable amorphous self-reinforced (70L:30DL) polylactide or metal lag screws: an experimental study in sheep.
Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery 1999;27(2):124-33.
1999: Anu Saikku-Bäckström; Riitta-Mari Tulamo; Timo Pohjonen; Pertti Törmälä; Jan E Räihä; Pentti Rokkanen
Material properties of absorbable self-reinforced fibrillated poly-96L/4 D-lactide (SR-PLA96) rods; a study in vitro and in vivo.
Journal of materials science. Materials in medicine 1999;10(1):1-8.
1999: Laura Tielinen; MJ Manninen; Pauli Puolakkainen; Hannu Pätiälä; Timo Pohjonen; Jorma Rautavuori; Pentti Rokkanen
Combining transforming growth factor-beta(1) to a bioabsorbable self-reinforced polylactide pin for osteotomy healing: an experimental study on rats.
Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association 1999;4(6):421-30.
1999: P A Mäkelä; M Ruuskanen; Nureddin Ashammakhi; Matti Kallioinen; Timo Pohjonen; Willy Serlo; Pertti Törmälä; Timo Waris
Comparison of self-reinforced poly-L-lactide and steel wire in fixation of sternotomy in rabbits.
Annales chirurgiae et gynaecologiae 1999;88(4):318-21.
1999: M Ruuskanen; Nureddin Ashammakhi; Matti Kallioinen; Timo Pohjonen; Pertti Törmälä; Timo Waris
Evaluation of self-reinforced polyglycolide membrane implanted in the subcutis of rabbits.
Annales chirurgiae et gynaecologiae 1999;88(4):308-12.
1999: E Pirhonen; A Kaikkonen; P Helevirta; Timo Pohjonen; M Tamminmäki; Pertti Törmälä
Development of a bioabsorbable suture anchor.
Journal of biomedical materials research 1999;48(6):875-80.
1999: P Tuompo; Esa K Partio; Kirsi Jukkala-Partio; Timo Pohjonen; P Helevirta; Pentti Rokkanen
Comparison of polylactide screw and expansion bolt in bioabsorbable fixation with patellar tendon bone graft for anterior cruciate ligament rupture of the knee. A preliminary study.
Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA 1999;7(5):296-302.
1999: Antero Heino; Anita Naukkarinen; T Pietiläinen; ME Merasto; Pertti Törmälä; Timo Pohjonen; E Antero Mäkelä
Application of a self-reinforced polyglycolic acid (SR-PGA) membrane to the closure of an abdominal fascial defect in rats.
Journal of biomedical materials research 1999;48(5):596-601.
1998: Laura Tielinen; MJ Manninen; Pauli Puolakkainen; Harri Pihlajamäki; Timo Pohjonen; Jorma Rautavuori; Pertti Törmälä
Polylactide pin with transforming growth factor beta 1 in delayed osteotomy fixation.
Clinical orthopaedics and related research 1998;(355):312-22.
1998: Jukka Kettunen; E Antero Mäkelä; H Miettinen; T Nevalainen; M Heikkilä; Timo Pohjonen; Pertti Törmälä; Pentti Rokkanen
Mechanical properties and strength retention of carbon fibre-reinforced liquid crystalline polymer (LCP/CF) composite: an experimental study on rabbits.
Biomaterials 1998;19(14):1219-28.
1998: Riitta Suuronen; Timo Pohjonen; Jarkko Hietanen; Christian Lindqvist
A 5-year in vitro and in vivo study of the biodegradation of polylactide plates.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons 1998;56(5):604-14; discussion 614-5.
1998: Hilkka Peltoniemi; Riitta-Mari Tulamo; Terttu Toivonen; Harri Pihlajamäki; Timo Pohjonen; Pertti Törmälä; Timo Waris
Intraosseous plating: a new method for biodegradable osteofixation in craniofacial surgery.
The Journal of craniofacial surgery 1998;9(2):171-6.
1998: Jarkko Vasenius; Timo Pohjonen; Pertti Törmälä; A Penttilä; Pentti Rokkanen
Initial stability of femoral neck osteosynthesis with absorbable self-reinforced poly-L-lactide (SR-PLLA) and metallic screws: a comparative study on 21 cadavers.
Journal of biomedical materials research 1998;39(2):171-5.
1998: Pertti Törmälä; Timo Pohjonen; Pentti Rokkanen
Bioabsorbable polymers: materials technology and surgical applications.
Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine 1998;212(2):101-11.
1998: Hilkka Peltoniemi; Riitta-Mari Tulamo; H K Pihlajamäki; Matti Kallioinen; Timo Pohjonen; Pertti Törmälä; P U Rokkanen; Timo Waris
Consolidation of craniotomy lines after resorbable polylactide and titanium plating: a comparative experimental study in sheep.
Plastic and reconstructive surgery 1998;101(1):123-33.
1997: Riitta Suuronen; MJ Manninen; Timo Pohjonen; Outi Laitinen; Christian Lindqvist
Mandibular osteotomy fixed with biodegradable plates and screws: an animal study.
The British journal of oral & maxillofacial surgery 1997;35(5):341-8.
1997: Timo Pohjonen; P Helevirta; Pertti Törmälä; K Koskikare; Hannu Pätiälä; Pentti Rokkanen
Strength retention of self-reinforced poly-L-lactide screws. A comparison of compression moulded and machine cut screws.
Journal of materials science. Materials in medicine 1997;8(5):311-20.
1997: K Koskikare; Eero Hirvensalo; Hannu Pätiälä; Pentti Rokkanen; Timo Pohjonen; Pertti Törmälä; G Lob
Fixation of osteotomies of the distal femur with absorbable, self-reinforced, poly-L-lactide plates. An experimental study on rabbits.
Archives of orthopaedic and trauma surgery 1997;116(6-7):352-6.
1997: Kirsi Jukkala-Partio; Outi Laitinen; Esa K Partio; Jarkko Vasenius; SI Vainionpää; Timo Pohjonen; Pertti Törmälä; Pentti Rokkanen
Comparison of the fixation of subcapital femoral neck osteotomies with absorbable self-reinforced poly-L-lactide lag-screws or metallic screws in sheep.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society 1997;15(1):124-7.
1996: P Tuompo; Esa K Partio; Kirsi Jukkala-Partio; Timo Pohjonen; P Helevirta; P Rokkanen
Strength of the fixation of patellar tendon bone grafts using a totally absorbable self-reinforced poly-L-lactide expansion plug and screw. An experimental study in a bovine cadaver.
Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association 1996;12(4):422-7.
1996: K Koskikare; Eero Hirvensalo; Hannu Pätiälä; Pentti Rokkanen; Timo Pohjonen; Pertti Törmälä; G Lob
Intraosseous plating with absorbable self-reinforced poly-L-lactide plates in the fixation of distal femoral osteotomies on rabbits.
Journal of biomedical materials research 1996;30(4):417-21.
1996: Antero Heino; A Naukkarinen; T Kulju; Pertti Törmälä; Timo Pohjonen; E Antero Mäkelä
Characteristics of poly(L-)lactic acid suture applied to fascial closure in rats.
Journal of biomedical materials research 1996;30(2):187-92.
1994: Riitta Suuronen; Pekka Laine; Timo Pohjonen; Christian Lindqvist
Sagittal ramus osteotomies fixed with biodegradable screws: a preliminary report.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons 1994;52(7):715-20; discussion 720-1.
1994: Kirk P. Andriano; Timo Pohjonen; P Törmälä
Processing and characterization of absorbable polylactide polymers for use in surgical implants.
Journal of applied biomaterials : an official journal of the Society for Biomaterials 1994;5(2):133-40.
1994: T Antikainen; Matti Kallioinen; Timo Pohjonen; Pertti Törmälä; Timo Waris; Willy Serlo
Polyglycolic acid membrane interpositioning for the prevention of skull deformity following experimental craniosynostosis.
Pediatric neurosurgery 1994;21(1):77-82.
1993: Esko Kemppainen; Martti Talja; M Riihelä; Timo Pohjonen; Pertti Törmälä; O Alfthan
A bioresorbable urethral stent. An experimental study.
Urological research 1993;21(3):235-8.
1993: MJ Manninen; Timo Pohjonen
Intramedullary nailing of the cortical bone osteotomies in rabbits with self-reinforced poly-L-lactide rods manufactured by the fibrillation method.
Biomaterials 1993;14(4):305-12.
1993: Jarkko Vasenius; Outi Laitinen; Timo Pohjonen; SI Vainionpää; Pertti Törmälä; Pentti Rokkanen
Fixation of subcapital femoral osteotomies by poly-L-lactic acid pins. An experimental study in sheep.
International orthopaedics 1993;17(3):144-7.
1993: Outi Laitinen; Timo Pohjonen; Pertti Törmälä; K Saarelainen; Jarkko Vasenius; Pentti Rokkanen; SI Vainionpää
Mechanical properties of biodegradable poly-L-lactide ligament augmentation device in experimental anterior cruciate ligament reconstruction.
Archives of orthopaedic and trauma surgery 1993;112(6):270-4.
1992: Riitta Suuronen; Pekka Laine; E Sarkiala; Timo Pohjonen; Christian Lindqvist
Sagittal split osteotomy fixed with biodegradable, self-reinforced poly-L-lactide screws. A pilot study in sheep.
International journal of oral and maxillofacial surgery 1992;21(5):303-8.
1992: Riitta Suuronen; Timo Pohjonen; Jarkko Vasenius; SI Vainionpää
Comparison of absorbable self-reinforced multilayer poly-l-lactide and metallic plates for the fixation of mandibular body osteotomies: an experimental study in sheep.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons 1992;50(3):255-62.
1992: Riitta Suuronen; Timo Pohjonen; L Wessman; Pertti Törmälä; SI Vainionpää
New generation biodegradable plate for fracture fixation: comparison of bending strengths of mandibular osteotomies fixed with absorbable self-reinforced multi-layer poly-l-lactide plates and metallic plates--an experimental study in sheep.
Clinical materials 1992;9(2):77-84.
1991: Pertti Törmälä; Jarkko Vasenius; SI Vainionpää; J Laiho; Timo Pohjonen; Pentti Rokkanen
Ultra-high-strength absorbable self-reinforced polyglycolide (SR-PGA) composite rods for internal fixation of bone fractures: in vitro and in vivo study.
Journal of biomedical materials research 1991;25(1):1-22.