BONE GROWTH DEVICE

BONE GROWTH DEVICE

An intramedullary lengthening device (110) configured for placement inside bone having a first bone section (102) and a second bone section (104) comprises a housing (112) configured for attachment to one bone section and a distraction shaft configured for attachment to the other bone section. A per...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: WALKER, Blair, POOL, Scott
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:An intramedullary lengthening device (110) configured for placement inside bone having a first bone section (102) and a second bone section (104) comprises a housing (112) configured for attachment to one bone section and a distraction shaft configured for attachment to the other bone section. A permanent magnet (134) which is rotatable relative to the housing (112) is coupled to a lead screw in an internal cavity of the distraction shaft (114). A thrust bearing (138) in the housing (112) protects the permanent magnet from one or more of compressive and tensile stresses.