CONTROL OF CELL GROWTH

The growth of bone cells or soft tissue cells on a surface is preferentially determined by the microgeometry of the surface. The cross section sizes of grooves (44) of a certain size favor bone cell growth (I) whereas another certain size favors soft tissue (59) growth (II). Laser apparatus is discl...

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Bibliographische Detailangaben
Hauptverfasser:	NAIMAN, CHARLES, S, RICCI, JOHN, ALEXANDER, HAROLD
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DENTISTRY DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MACHINE TOOLS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METAL-WORKING NOT OTHERWISE PROVIDED FOR METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PERFORMING OPERATIONS PROSTHESES SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OR PROTECTION OF EYES OR EARS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The growth of bone cells or soft tissue cells on a surface is preferentially determined by the microgeometry of the surface. The cross section sizes of grooves (44) of a certain size favor bone cell growth (I) whereas another certain size favors soft tissue (59) growth (II). Laser apparatus is disclosed to cut the grooves in prearranged patterns; the use of the grooves on implants (46) is also disclosed (53, 54). La croissance de cellules osseuses ou de cellules de tissus mous sur une surface est déterminée de préférence par la microgéométrie de ladite surface. Des sections de sillons (44) d'une certaine taille favorisent la croissance de cellules osseuses (I), alors que des sections de sillons d'une autre taille déterminée favorisent la croissance (II) de tissus mous (59). L'invention (53, 54) concerne également un système laser servant à découper les sillons selon des motifs prédéfinis. L'invention concerne également l'utilisation de sillons sur des implants (46).