61 Puumanen K.A, Ruuskanen M.M, Ashammakhi N, Kallioinen M.J, Törmälä P.O, Rokkanen P.U, Waris T.H. Tissue Engineering of Bone in Muscle by Using Free Periosteal Grafts with a Self-Reinforced Polyglycolide Membrane Scaffold. An Experimental Study in Growing Rabbits. Eur J Plast Surg 2000; 23:39-44   60 Ashammakhi N, Papp A, Sayed R, Ruuskanen M, Kallioinen M, Kellomäki M, Waris T, Seppälä J, Törmälä P. Histological Evaluation of poly (L-Lactide/ epsilon-Caprolactone) 50/50 Membrane Implanted in the Subcutis of Rats. Ann Chir Gynaecol 1999; 88:313-317 59 Ruuskanen M, Ashammakhi N, Pohjonen T, Törmälä P, Waris T. Evaluation of Self-Reinforced Polyglycolide Membrane Implanted in the Subcutis of Rabbits. Ann Chir Gynaecol 1999; 88:308-312 58 Mäkelä P, Ashammakhi N, Ruuskanen M, Serlo W, Pohjonen T, Waris T, Törmälä P. Comparison of Poly-L-Lactide(PLLA) and Steel Wire Used for Craniotomy Closure. An Experimental Study. Surgery online (http://www.surgeonline.com) (Sep-Oct 1999) 57 Mäkelä P.A, Ruuskanen M, Ashammakhi N, Kallioinen M, Pohjonen T, Serlo W, Törmälä P, Waris T. Comparison of Biodegradable Self-Reinforced Poly-L-Lactide (SR-PLLA) and Steel Wire in Fixation of Sternotomy. An Experimental Study in Rabbits. Ann Chir Gynaecol 1999; 88:318-321 56 Ashammakhi N, Papp A, Moilanen M, Ruuskanen M, Kallioinen M, Kellomäki M, Törmälä P, Waris T. A Histological Study of Poly-L-Lactide /epsilon-Capronolactone (P-L-LA/e-CL) Membrane. Scandinavian Surgical Society. Biennial Congress. June 6-9, 1999, Turku, Finland. Published in Ann Chir Gynaecol 1999, 88(2): 109-76. Abstract No. 6. 55 Ruuskanen M, Törmälä P, Kallioinen M, Serlo W, Waris T: Absorbable implants and perichondrial proliferation. The 2nd Symposium on Biodegradable Materials in Craniofacial Surgery. Saariselkä, Finland, April 8-11, 1999. Abstract book. 54 Puumanen K.A, Ruuskanen M.M, Ashammakhi N, Kallioinen M.J, Törmälä P.O, Rokkanen P.U, Waris T.H. Tissue engineering of bone in muscle by using free periosteal grafts with a self-reinforced polyglycolide membrane scaffold. An experimental study in growing rabbits. Eur J Plast Surg ? 53 Mäkelä P, Ashammakhi N, Ruuskanen M, Serlo W, Pohjonen T, Waris T, Törmälä P. Comparison of poly-L-lactide (PLLA) and steel wire used for craniotomy closure. An experimental study. Surgery online ? 52 Ahammakhi N, Papp A, Sayed R, Ruuskanen M, Kallioinen M, Kellomäki M, Waris T, Seppälä J, Törmälä P. Behaviour of poly(L-Lactide/epsilon-caprolactone) membrane implanted subcutaneously in rats. Suomen Ortopedia ja Traumatologia 1998; 21(3):414-416 (SOY vuosikokous, Tampere talo, Tampere, 12.-13.11.1998) 51 Ashammakhi N, Papp A, Sayed R, Ruuskanen M, Kallioinen M, Kellomäki M, Waris T, Seppälä J, Törmälä P. Histological Evaluation of Poly(L-lactide/e-Caprolactone) 50/50 Membrane Implanted in the Subcutis of Rats. European Association of Tissue Banks (EATB) & European Association of Musculoskeletal Transplantation (EAMST) Conference, Turku, Sep 10-12, 1998, p. 106. 50 Puumanen K, Ruuskanen M, Kallioinen M, Ritsilä V, Törmälä P, Rokkanen P, Waris T: Use of biodegradable materials for guided bone proliferation from free periosteal grafts and in an experimental cleft defect model. The 1st Symposium in Biodegradable Materials in Craniofacial Surgery. Verona, Italy, May 28, 1998. Abstract book. 49 Ruuskanen M, Törmälä P, Kallioinen M, Waris T: Absorbable implants and perichondrial proliferation. The 1st Symposium on Biodegradable Materials in Craniofacial Surgery. Verona, Italy, May 28, 1998. Abstract book.   48 Ruuskanen M, Serlo W, Virtanen M, Törmälä P, Waris T: Stabilisation of thoracoplasty by biodegradable polylactic acid rods. An experimental study and preliminary clinical experiences. Scandinavian Association of Pediatric Surgeons XX Congress, May 12-14, 1994, Göteborg, Sweden.   47 Ruuskanen M, Mustonen S, Virtanen M, Pohjonen T, Törmälä P, Waris T: Biocompatibility of large subcutaneous self-reinforced polyglycolic acid implants - an experimental study in rabbits. The Finnish Surgical Society, The Joint Spring Meeting of the Estonian Surgical Society and the Finnish Surgical Society, Sakala Center, May 12-13, 1994, Estonia. 46 Ruuskanen M, Virtanen M, Serlo W, Tuominen H, Helevirta P, Törmälä P, Waris T: Guided perichondrial proliferation with biodegradable, self-reinforced polyglycolic acid implants. Pediatr Surg Int 9: 109-112, 1994. 45 Ruuskanen M, Virtanen M, Tuominen H, Törmälä P, Waris T: Generation of cartilage from aurigular and rib free perichondrial grafts around a self-reinforced polyglycolic acid mould in rabbits. Scandinavian Journal of Plastic and Reconstructive Hand Surgery 28: 81-86, 1994. 44 Ruuskanen M, Serlo W, Pohjonen T, Törmälä P, Waris T: Anterior thoracoplasty stabilized with a resorbable, self-reinforced poly-L-lactide acid plate in the correction of pectus excavatum. Pediatric Surg Intern. 9: 331-333, 1994.   43 Waris T, Antikainen T, Serlo W, Ruuskanen M, Mäkelä P, Merikanto J, Öhman J, Peltoniemi H: Self-reinforced biodegradable materials in experimental craniofacial surgery. 7th International Congress on Cleft Palate and Related Craniofacial Anomalies. October 31-November 5, 1993, Broadbeach, Australia. 42 Waris T, Serlo W, Ruuskanen M, Mäkelä P, Antikainen T, Merikanto J, Öhman J, Lassila K, Kyösola K, Verkkala K, Pohjonen T, Törmälä P: Self-reinforced biodegradable implants in reconstructive plastic surgery and in thoracic surgery. The International Society for Fracture Repair Symposium on Biodegradable Implants in Fracture Fixation, September 4-5, 1993, Hong Kong. 41 Mäkelä P, Serlo W, Ruuskanen M, Kallioinen M, Pohjonen T, Törmälä P, Waris T: Sternal closure by using new biodegradable poly-L-lactide (PLLA) -wire. An experimental study in rabbits and pigs. Clinical case report. XXVIII Congress of the European Society for Surgical Research, May 23-26, 1993, Turku, Finland. 40 Waris T, Serlo W, Merikanto J, Hukki J, Öhman J, Antikainen T, Ruuskanen M, Rantanen M, Lassila K, Pohjonen T, Törmälä P: Biodegradable fixation in thoracic, vascular and craniofacial surgery. Br. Journal Surgery 80, Suppl, September: 73, 1993.     39 Ruuskanen M, Teerikangas H, Waris T: Ihodefektien suora sulku presuturaatiotekniikkaa käyttäen. 11. Kirurgipäivät 5.-6.11.1992, Tampere, Finland. 38 Ruuskanen M, Kallioinen M, Kaarela O, Mäkelä P, Serlo W, Heikkinen E, Laine J, Laiho J, Törmälä P, Waris T: Polyglycolic acid, polylactic acid and healing of the perichondrium and experimental pectus excavatum: An experimental study in the rabbit. ibid. Vol II: 21-22, 1992. 37 Waris T, Teerikangas H, Kaarela O, Ruuskanen M, Lasanen L, Mäkelä P, Raatikainen T: Microvascular tissue transfers: Experience from 50 consecutive operations in a new plastic surgery unit. ibid. Vol II: 135-136, 1992. 36 Antikainen T, Ruuskanen M, Taurio R, Serlo W, Waris T: Reconstruction of a skull defect by coralline hydroxyapatite implant reinforced with a membrane of polylactide and polyglycolic acid. Nordisk Plastikkirurgisk Förenings XXIV kongress, 8.6.-11.6.1992, Åbo, Finland. 35 Waris T, Serlo W, Hukki J, Merikanto J, Rautio J, Ruuskanen M, Mäkelä P, Pohjonen T, Törmälä P: Osteosyntesis in cranioplasty by using self-reinforced polylactide (SR-PLLA) plates. A case report. ibid 34 Ruuskanen M, Serlo W, Virtanen M, Pohjonen T, Törmälä P, Waris T: Guided regeneration of cartilage by biodegradable SR-PGA and SR-PLLA implants in experimental thoracoplasties. Fourth World Biomaterials Congress, April 24-28, 1992, Berlin, Germany. 33 Mäkelä P, Kallioinen M, Serlo W, Ruuskanen M, Pohjonen T, Törmälä P, Waris T: Sternal closure by using self-reinforced polylactide (SR-PLLA)-wire. Experimantal study in rabbits and 4 pigs. A clinical case report. Fourth World Biomater. Congress, 24.-28.4.1992, Berlin, Germany. 32 Antikainen T, Ruuskanen M, Taurio R, Kallioinen M, Serlo W, Törmälä P and Waris T: Polylactide and polyglycolic acid reinforced coralline hydroxyapatite for the reconstruction of cranial bone defects in the rabbit. Acta Neurochir (Wien) 117: 59-62, 1992. 31 Ruuskanen M.M, Virtanen M.K, Karttunen A, Kallioinen M.J, Serlo W, Pohjonen T, Törmälä P.O, Waris T.H: Stabilization of anterior thoracoplasty with a resorbable, self-reinforced poly-l-lactid acid rod: an experimental study in rabbits. Pediatric Surgery International 7: 183-186, 1992.   30 Ruuskanen M, Serlo W, Törmälä P, Waris T: Resorboituvilla implanteilla ohjattu uudisruston profilisaatio kokeellisissa rintakehäplastioissa. ibid 29 Mäkelä P, Kallioinen M, Serlo W, Ruuskanen M, Pohjonen T, Törmälä P, Waris T: Rintalastan kokeellinen sulkeminen käyttäen resorboituvaa SR-PLLA-vaijeria. Kokeellinen työsarja kaneilla ja sioilla. Suomen Kirurgi-yhdistys r.y. 10. Kirurgipäivät 14.-15.11.1991, Finlandiatalo, Helsinki, Finland. 28 Hukki J, Serlo W, Heikkinen E, Ruuskanen M, Mäkelä P, Pohjonen T, Törmälä P, Waris T: Fixation of cranioplasty using self-reinforced poly-L-lactide (SR-PLLA) plates. A case report. The 34th Congress of Surgery of the ISS/SIC and the 12th World Congress of CICD, International Surgical Week, 25.-31.8.1991, Stockholm, Sweden. 27 Mäkelä P, Kallioinen M, Serlo W, Ruuskanen M, Antikainen T, Pohjonen T, Törmälä P, Waris T: The use of self-reinforced polylactide (SR-PLLA) clips in laparotomy wound closure. An experimental study in the rabbit. The 34th Congress of Surgery of the ISS/SIC and the 12th World Congress of CICD, International Surgical Week, 25.-31.8.1991, Stockholm, Sweden. 26 Mäkelä P, Kallioinen M, Serlo W, Ruuskanen M, Pohjonen T, Törmälä P, Waris T: Sternal closure by using self-reinforced polylactide (SR-PLLA) cerclage. An experimental study in the rabbit. ibid 25 Ruuskanen M, Mäkelä P, Kallioinen M, Kaarela O, Waris T, Serlo W, Heikkinen E, Virtanen M, Laiho J, Törmälä P: Experimental thoracoplasties using biodegradable implants. The 40th Annual Meeting of the Scandinavian Association for Thoracic and Cardiovascular Surgery and the Scandinavian Society for Extracorporeal Technology 21.-23.8.1991, Umeå, Sweden. 24 Ruuskanen M.M, Virtanen M.K, Kallioinen M.J, Serlo W, Laiho J.A, Törmälä P.O and Waris T: Remodelling of rabbit rib cartilages with perichondrial flaps and biodegradable implants. Pediatric Surgery 6: 418-420, 1991. 23 Waris T, Kaarela O, Lasanen L, Junila J, Ruuskanen M and Kyösola K: Perivascular sympathectomy does not remove adrenergic nerves from distal vessels. The effect of various degenerations on the rat saphenous bundle: a histochemical study. Journal of Surgical Research 51: 303-309, 1991. 22 Ruuskanen M.M, Kallioinen M.I, Kaarela O.I, Laiho J.A, Pohjonen T, Törmälä P.O and Waris T.H: The role of polyglycolic acid rods in the regeneration of cartilage from perichondrium in rabbits. Scandinavian Journal of Plastic and Reconstructive Surgery 25: 15-18, 1991.   21 Serlo W, Hukki J, Ruuskanen M, Antikainen T, Mäkelä P, Heikkinen E, Laine J, Laiho J, Törmälä P, Waris T: The use of polylactide plates in craniofacial surgery. A case report. ibid. 20 Waris T, Antikainen T, Kallioinen M, Ruuskanen M, Serlo W, Laine J, Laiho J, Törmälä P: Polylactide and polyglycolic acid reinforced hydroxyapatite as a cranial bone substitute. An experimental study in the rabbit. Biomaterial Meeting, Tampere 7.11.1990 19 Waris T, Ruuskanen M, Kallioinen M, Kaarela O, Mäkelä P, Heikkinen E, Laine J, Laiho J, Törmälä P, Serlo W: Biodegradable material and healing of the perichondrium and experimental pectus excavatum. An experimantal study in the rabbit. Biomaterial Meeting 7.11.1990, Tampere. 18 Waris T, Virtanen M, Ruuskanen M, Kallioinen M, Laiho J, Törmälä P: The resorbtion of large pieces of polyglycolide membranes in soft tissues of rabbit ear. Biomaterial Meeting 7.11.1990, Tampere. 17 Teerikangas H, Kaarela O, Ruuskanen M, Lasanen L, Mäkelä P, Raatikainen T, Waris T: The results of 50 consecutive microvascular free tissue transfer operations in Oulu University Central Hospital. International Symposium Reconstructive Microsurgery, 14.-15-9.1990, Vilnius, Lithuania. 16 Waris T, Teerikangas H, Kaarela O, Ruuskanen M, Lasanen L, Mäkelä P, Raatikainen T: Microsurgery in a new platic surgery unit - experiences from 50 consecutive microvascular tissue transfer operations. Microsurgery Meeting -90, 29.8.-1.9.1990 Hanasaari, Espoo. 15 Waris T, von Smitten K, Remes V, Lähteenmäki T, Hukki J, Teerikangas H, Kaarela O, Ruuskanen M, Lasanen L, Antikainen T ja Raatikainen T: Vapaat mikrovaskulaariset kudossiirteet - parempiin tuloksiin kokeellisen kirurgian avulla. Kirurgiyhdistyksen kevätkokous 25.-26.5.1990 Jyväskylä. 14 Ruuskanen M, Kallioinen M, Törmälä P, Laiho J, Waris T: Rustokalvon kondrogeeninen potentiaali biodegradoituvan materiaalin yhteydessä. Ortopediyhdistyksen kevätkokous 27.4.1990 Ruka. 13 Kaarela O, Huttunen P, Kallioinen M, Junila J, Lasanen L, Ruuskanen M, Raatikainen T ja Waris T: Perivaskulaarisen sympatektomian vaikutukset perifeeriseen adrenergiseen hermotukseen. Ortopediyhdistyksen kevätkokous 27.4.1990 Ruka.   12 Waris T, Teerikangas H, Kallanranta T, Kaarela O, Ruuskanen M, Raatikainen T: Reconstructive microsurgery, costs and benefits. Nordisk Kirurgisk Förenings XXXXIV Kongress, Helsinki 15.-17.6.1989. 11 Mäkelä P, Hyrynkangas K, Teerikangas H, Raatikainen T, Kaarela O, Ruuskanen M, Lasanen L, Waris T: Suunpohjan ja mandibulan korjaus mikrovaskulaarisella radial forearm kielekkeellä. Chirurgi Plastici Fenniae'n kokous 7.4.1989. 10 Kaarela O, Heikkinen E, Raatikainen T, Teerikangas H, Ruuskanen M, Lasanen L, Waris T: Akillesjänteen seudun kudospuutoksen hoito mikrovaskulaarisella kielekkeellä. Chirurgi Plastici Fenniae'n kokous 3.2.1989, Helsinki. 9 Yliluukko S, Nissinen J, Teerikangas H, Kaarela O, Ruuskanen M, Kallanranta T, Waris T: Rintakehän seinämän sarkooman resektio ja korjaaminen GoretexR graftilla ja mikrovaskulaarisin suonianastomoosein varmennetulla rectus abdominis kielekkeellä. Chirurgi Plastici Fenniae'n 3.2.1989, Helsinki. 8 Ruuskanen M, Raatikainen T, Teerikangas H, Kaarela O, Kallanranta T, Junila J, Waris T: Käden murskavamman korjaaminen revaskularisaatiolla ja mikrovaskulaarisella kielekkeellä. Chir Plast Fenniae'n 3.2.1989, Helsinki. 7 Kaarela O, Heikkinen E, Raatikainen T, Teerikangas H, Ruuskanen M, Lasanen L, Junila J and Waris T: Microvascular lateral arm and radial arm flaps in repair of a large soft tissue defect in achilles tendon region. Nordisk Kirurgisk Förenings XXXXIV Kongress, Helsinki 15.-17.6.1989. 6 Junila J, Kaarela O, Lasanen L, Raatikainen T, Ruuskanen M, Kyösola K, Hukki J, von Smitten K and Waris T: Perivascular sympathectomy fails to remove sympathetic adrenergic nerves from the distal vascular bed, and experimental histochemical study in rat and rabbit. Nordisk Kirurgisk Förenings XXXXIV Kongress, Helsinki 15.-17.6.1989. 5 Ruuskanen M, Raatikainen T, Kallanranta T, Teerikangas H, Kaarela O, Junila J, Waris T: Emergency free flap to the hand in combination with revascularisation of fingers. Nordisk Kirurgisk Förenings XXXXIV Kongress, Helsinki 15.-17.6.1989. 4 Ruuskanen M, Kallioinen M, Törmälä P, Laiho J, Kaarela O ja Waris T: Rustokalvon chondrogeeninen potentiaali resorboituvan materiaalin yhteydessä. 8. Kirurgipäivät, Helsinki, 9.10.11.1989. 3 Kaarela O, Junila J, Lasanen L, Raatikainen T, Ruuskanen M ja Waris T: Perivaskulaarinen sympatektomia ei hävitä distaalista adrenergistä hermotusta. Kokeellinen tutkimus kaneilla ja rotilla. 8. Kirurgipäivät, Helsinki, 9.-10.11.1989. 2 Kaarela O, Heikkinen E, Raatikainen T, Teerikangas H, Ruuskanen M ja Waris T: Akillesjänteen alueen kudospuutoksen korjaus mikrovaskulaarisella kielekkeellä. 8. Kirurgipäivät, Helsinki 9.-10.11.1989. 1 Teerikangas H, Tarpila E, Kaarela O, Ruuskanen M ja Waris T: Rintasyövän jälkeinen naisen rinnan korjaus mikrovaskulaarisella alavatsakielekkeellä. 8. Kirurgipäivät, Helsinki, 9.-10.11.1989.