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  • 1
    Electronic Resource
    Electronic Resource
    Development of a new modular titanium femoral prosthesis consisting of a head and shaft component. Indications, operation and optimization of the tapered socket connection (1999)
    Springer
    European journal of orthopaedic surgery & traumatology 9 (1999), S. 13-18 
    Details
    ISSN: 1432-1068
    Keywords: Modular femoral prosthesis ; Fretting ; Taper socket ; Cementless
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs décrivent une nouvelle prothèse fémorale modulaire associant une prothèse conventionnelle et un clou centro-médullaire. La prothèse est constituée d’une pièce céphalique et d’une partie diaphysaire fixées ensemble par un cône morse. Chaque pièce est modulaire selon les besoins en longueur et en diamètre. L’antéversion de la pièce céphalique est libre. Les pièces diaphysaires ont une courbure sagittale anatomique et sont creuses, permettant l’utilisation d’un guide centro-médullaire. Les pièces diaphysaires longues peuvent être verrouillées. Les pièces céphalique et diaphysaire sont en alliage de titane et la pièce diaphysaire a une surface grenaillée dans sa partie proximale. Le cône morse a été optimisé par l’adjonction d’une rainure qui a diminué l’usure par abrasion lors des tests de fatigue. Aucun démontage de la jonction intraprothétique et aucune fracture dé tige n’a été rencontrée lors de c es tests. La technique opératoire n’offre aucune particularité. Cent vingtquatre prothèses ont été implantées depuis 1990, principalement pour des fractures du col fémoral et des changements de prothèses totales de hanche. Les résultats cliniques sont en cours d’investigation. D’autres indications plus rares ont été choisies : pseudarthrose per-trochantérienne, fracture sur coxarthrose, chirurgie métastatique. Cette prothèse permet un ancrage diaphysaire stable dans les pertes de substance de l’extrémité supérieure du fémur, et autorise ainsi la repousse osseuse dans cette zone, spontanée ou après greffe osseuse, et la fixation proximale secondaire. L’optimisation du cône morse a permis de diminuer de façon considérable l’usure par abrasion. La modularité de la prothèse permet de s’adapter à toutes les morphologies et toutes les situations cliniques.
    Notes: Summary The development and clinical indications of a new modular femoral endoprosthesis consisting of a head and shaft component is discribed. Components are available in different lengths and diameters and therefore can be joined individually depending on the patients anatomy and surgery required. Both parts are joined by a unique optimized taper socket with a groove, avoiding fretting and corosion. Fatigue tests showed no loosening of the tapered connection and no prosthesis fracture. The advantage of this new modular prosthesis is diaphyseal stabilization, if necessairy by two distal interlocking screwes. Indications are revisions, pertrochanteric femoral and neoplastic fractures if cementless bridging of boney defects in the calcar region must be achieved. Further indications are femoral neck fraktures and coxarthrosis if stable diaphyseal fixation is required. The material and surface structure as well as the philosophie of the distal fixation are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02427763
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  • 2
    Electronic Resource
    Electronic Resource
    Thoracoscopic repair of thoracic spine trauma (1995)
    Springer
    European spine journal 4 (1995), S. 302-307 
    Details
    ISSN: 1432-0932
    Keywords: Thoracic spine fracture ; Thoracoscopy ; Bone grafting
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Modern concepts of treating thoracic and lumbar spinal trauma are based on posterior transpedicular fixation techniques which confer angular stability and instrument only a few levels of the spine. In addition, to prevent secondary losses in postoperative reduction of kyphotic deformities, transpedicular resection of torn dises, and inter-and intracorporeal bone grafting are included in the repair procedures for the entire damaged motion segment. However, due to the small size of the pedicles, a transpedicular approach to the injured vertebral body is not possible in the upper thoracic spine. Patients whose thoracic spine trauma is not serious enough to require ventral instrumentation through open thoracotomy, but who present with an unstable vertebral fracture, may profit from additional ventral bone grafting to stabilize the fracture. The present study examined the feasibility of thoracoscopic ventral bone grafting in seven patients with unstable fractures of the upper thoracic spine. For primary repair, we stabilized the fracture by using posterior transpedicular screw systems (rods or plates). Simultaneously, spongiosa was harvested from the posterior iliac crest and deepfrozen. Repair was completed a few days later via a ventral thoracoscopic approach. The main location of the ventral osseous defect was identified by intraoperative radiology. After mechanical removal of destroyed connective tissue and disc material, fusion was performed using the previously harvested spongiosa, which was placed into the intervertebral disc space and the anterior osseous defect. Our results show thoracoscopic bone grafting to be technically possible and associated with low morbidity, with a potential of yielding satisfactory long-term results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00301040
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  • 3
    Electronic Resource
    Electronic Resource
    257. Funktionelle Behandlung von Oberarmschaftbrüchen mit Sarmiento-Kunststoffmanschette (1983)
    Springer
    Langenbeck's archives of surgery 361 (1983), S. 768-769 
    Details
    ISSN: 1435-2451
    Keywords: Fractures of the humerus shaft ; Functional treatment ; Sarmiento brace ; Oberarmschaftbrüche ; funktionelle Behandlung ; Sarmiento-Kunststoffmanschette
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bis auf wenige Ausnahmeindikationen führen wir bei Oberarmschaftbrüchen die von Sarmiento angegebene funktionelle Behandlung mittels Kunststoffoberarmmanschette durch. Nach der Reposition wird zur Abschwellung eine Oberarmgipsschiene für 5–10 Tage angelegt. Anschließend wird die Sarmientomanschette angepaßt und mit funktionellen Bewegungsübungen begonnen. Von 31 konsekutiven Humerusschaftfrakturen wurden 26 funktionell mit der Sarmientomanschette behandelt. Es kam in allen Fällen zu einer knöchernen Konsolidierung in 6–8 (in einem Fall in 11) Wochen ohne sekundäre Komplikationen. In zwei Drittel der Fälle kam es zu geringen Achsabweichungen. Das funktionelle Ergebnis war jedoch durchwegs gut.
    Notes: Summary With a few exceptions, we only treat fractures of the shaft of the humerus with a functional method consisting of a plastic sleeve, as indicated by Sarmiento. After reduction and detumescence of the swelling in an upper-arm cast for 5–10 days, a Sarmiento Brace is fit and functional body exercises started. Out of 31 consecutive fractures of the shaft of the humerus, 26 were treated by means of a Sarmiento Brace. In all cases bony consolidation was achieved in 6–8 (in one case in 11) weeks without secondary complications. A slight shift of the axis was occurred in two-thirds of the cases. However, the functional result was thoroughly good.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01276082
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  • 4
    Electronic Resource
    Electronic Resource
    Chordoma with a predominant retrosacral tumor mass (1981)
    Springer
    Journal of cancer research and clinical oncology 101 (1981), S. 213-217 
    Details
    ISSN: 1432-1335
    Keywords: Bone tumor ; Chordoma ; Retrosacral tumor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary One of the rare retrosacral chordomas was observed at a 66-year-old patient. Several recurrences occurred without lung or other metastases. The patient died of malfunction of the urinary bladder and rectum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00413315
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  • 5
    Electronic Resource
    Electronic Resource
    Fixation of osteotomies of the distal femur with absorbable, self-reinforced, poly-L-lactide plates (1997)
    Springer
    Archives of orthopaedic and trauma surgery 116 (1997), S. 352-356 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Osteotomies of the distal femur were fixed with two self-reinforced poly-L-lactic acid (SR-PLLA) plates and metallic screws placed through the plates on each side of the femur in 23 adult rabbits. They were followed-up after 3, 6, 12 and 24 weeks. After killing, radiological, histological, microradiographic and oxytetracycline fluorescence studies were performed. Except for one histologically confirmed fibrotic non-union at 24 weeks, the osteotomies healed, including one involving a rabbit which had suffered an ipsilateral femoral shaft fracture of unknown cause. No malformations were observed, and the macroscopically detected swelling was a normal postoperative reaction. This study showed that SR-PLLA plates implanted on both sides on the bone are suitable for the fixation of weight-bearing cancellous bone osteotomies in rabbits.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00433989
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  • 6
    Electronic Resource
    Electronic Resource
    Fixation of osteotomies of the distal femur with absorbable, self-reinforced, poly-L-lactide plates (1997)
    Springer
    Archives of orthopaedic and trauma surgery 116 (1997), S. 352-356 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Osteotomies of the distal femur were fixed with two self-reinforced poly-L-lactic acid (SR-PLLA) plates and metallic screws placed through the plates on each side of the femur in 23 adult rabbits. They were followed-up after 3, 6, 12 and 24 weeks. After killing, radiological, histological, microradiographic and oxytetracycline fluorescence studies were performed. Except for one histologically confirmed fibrotic non-union at 24 weeks, the osteotomies healed, including one involving a rabbit which had suffered an ipsilateral femoral shaft fracture of unknown cause. No malformations were observed, and the macroscopically detected swelling was a normal postoperative reaction. This study showed that SR-PLLA plates implanted on both sides on the bone are suitable for the fixation of weight-bearing cancellous bone osteotomies in rabbits.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00433989
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    81. Trümmerbrüche des Ellbogens, Verfahrenswahl und Ergebnisse (1981)
    Springer
    Langenbeck's archives of surgery 355 (1981), S. 501-501 
    Details
    ISSN: 1435-2451
    Keywords: Comminuted fracture ; Distal humerus ; Ellbogen ; Gelenkfraktur ; Osteosynthese ; Nachuntersuchungen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei Trümmerbrüchen des Ellbogens kommt es fast immer zur Stufenbildung in den Gelenkflächen. Diese stellt eine absolute Indikation zur Operation dar. Zusammen mit einer Sammelstatistik der Deutschen AO wurden 245 distale intraarticuläre Humerusfrakturen ausgewertet. Verfahrenswahl. Operation in Bauchlage des Patienten, dorsaler Zugang (60 %), Olecranonosteotomie (52 %), Rekonstruktion mit verschiedenen Implantaten. Bei schwerer Weichteilverletzung temporär Fixateur externe. Sofortige kontrollierte Krankengymnastik aus der Gipsschiene (70 %). Ergebnisse. 29,5 % sehr gut, 39,6 % gut, 19,4 mäßig, 11,5 % schlecht.
    Notes: Summary Comminuted fractures of the distal humerus require operative treatment. Only by anatomical reconstruction of the joint can good functional results be achieved. Intensive postoperative kinesitherapy is of great importance. In a comprehensive statistical study by the German section of AO International 245 patients were reexamined. The remaining disability can be controlled in two-thirds of the cases to such an extent that no alterations are necessary in private or professional life. Of the results, 29.5 % could be classified as very good, an additional 39.6 % as good. 19.4 % as moderate, and 11.5 % as poor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01286909
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  • 8
    Electronic Resource
    Electronic Resource
    66. Die operative Behandlung von distalen intraarticulären Humerusfrakturen; Ergebnis von 412 nachkontrollierten Fällen (AO-Sammelstatistik) (1984)
    Springer
    Langenbeck's archives of surgery 364 (1984), S. 357-361 
    Details
    ISSN: 1435-2451
    Keywords: Elbow ; Humerus ; Intraarticular fracture ; Ellbogengelenk ; Humerus ; Gelenkfraktur ; Komplikationen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Distale intraarticuläre Humerusfrakturen erfordern im allgemeinen eine operative Behandlung. Das funktionelle Ergebnis ist abhängig von der anatomischen Rekonstruktion der Gelenkflächen und von der frühzeitigen kontrollierten Nachbehandlung. Das Gesamtergebnis wurde bewertet mit 23,8% sehr gut, 36,0% gut, 22,3% mäßig und 17,9% schlecht. Hierbei ist zu berücksichtigen, daß 18% der Patienten polytraumatisiert waren und in 27% eine offene Gelenktrümmerfraktur vorgelegen hatte.
    Notes: Summary Intraarticular fractures require a surgical therapy. The functional results are depending on the anatomical reconstruction of the joint surfaces and on early kinesitherapy. Remaining disabilities may be controlled in 2/3 of the cases to such an extent that no alterations are necessary in private or professional life. The overall result was very good in 23.8%, good in 36.0%, moderate in 22.3% and bad in 17.9%. These bad results are due to the rate of polytraumatized patients (18%) and the high rate of open comminuted fractures (27%).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01823235
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Komplikationen in der Unfallchirurgie (1998)
    Springer
    Der Unfallchirurg 101 (1998), S. 856-865 
    Details
    ISSN: 1433-044X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Lorenz Böhler schreibt in seinem Vorwort der ersten Auflage der “Technik der Knochenbruchheilung” (1929): “Da die Ergebnisse der Behandlung nicht überall gute sind, suchte ich die Fehler zu finden, welche an den Mißerfolgen die Schuld tragen.” Die intensive Auseinandersetzung mit den Ursachen einer Komplikation ist Teil der Qualitätssicherung und dient über ihre Rückwirkung in der täglichen chirurgischen Praxis der Qualitätsverbesserung. Im folgenden sollen die vielschichtigen Ursachen für Komplikationen aufgezeigt werden. Es wird dargelegt, auf welchen Ebenen Komplikationen entstehen, wie Wege zur Komplikationsvermeidung gefunden werden können und wie im Einzelfall ein Komplikationsmanagement aussehen kann. Ziel ist es, ein Qualitäts- und Komplikationsbewußtsein zu entwickeln.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001130050351
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  • 10
    Electronic Resource
    Electronic Resource
    Facharzt für Unfallchirurgie (1998)
    Springer
    Der Unfallchirurg 101 (1998), S. 72-73 
    Details
    ISSN: 1433-044X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001130050236
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