FI116362B - Anordning, och dess användning för tillverkning av material som ersätter hårda eller mjuka vävnader och tand eller ben hos människor eller djur med hjälp av ultraljud - Google Patents

Anordning, och dess användning för tillverkning av material som ersätter hårda eller mjuka vävnader och tand eller ben hos människor eller djur med hjälp av ultraljud Download PDF

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FI116362B
FI116362B FI963315A FI963315A FI116362B FI 116362 B FI116362 B FI 116362B FI 963315 A FI963315 A FI 963315A FI 963315 A FI963315 A FI 963315A FI 116362 B FI116362 B FI 116362B
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tool
filler
vibration
dental
tools
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FI963315A (sv
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Rainer Hahn
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Rainer Hahn
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/861—Hand-held tools
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/07—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320069—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for ablating tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/32007—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with suction or vacuum means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C3/00—Dental tools or instruments
    • A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
    • A61C3/025—Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8124—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the structure of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/81241—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the structure of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps being porous or sintered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9516—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools by controlling their vibration amplitude
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
    • B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
    • B29C66/9517—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration amplitude values or ranges

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Neurology (AREA)
  • Biomedical Technology (AREA)
  • Neurosurgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Surgical Instruments (AREA)

Claims (43)

1. Anordning för preparering av härda eller mjuka vävnader hos människa eller djur och av tand- eller benersättningsmaterial med hjälp av ultraljud genom användning 5 av en ultraljudsvängningsgenerator (16) och ett med hjälp av denna fungerande verktyg (36;80;86,96;98;106;120; 134;140; 148; 156;176), kännetecknad därav, att mellan svängningsgeneratom (16) och verktyget är anordnat ett ljudstyr-ningshuvud (28), som omfattar ett parallellt med längdaxeln av svängningsgeneratom (16) rörligt, av svängningsgeneratom (16) driven ingängselement (33; 162a) och 10 ett verktyg (36) drivande utgängselement (34;162d), varvid detta utgängselement rör sig längs en axel som bildar en frän värdet 0° avvikande vinkel relativt axeln av svängningsgeneratom, och att verktyget (36;80;86;96;98;106;120;134;140;148;156; 176) är anslutet tili det drivande utgängselementet (34;162d) pä styrhuvudet (28).
2. Anordning enligt patentkravet 1, kännetecknad därav, att verktyget (36; 80;86;96;98;106;120;134;140;148;156;176) svänger i riktningen av sin längdaxel.
3. Anordning enligt patentkravet 1 eller 2, kännetecknad därav, att styrhuvu- « » · : det (28) innefattar en svängkropp (162), som uppvisar en med drivfrekvensen av 20 svängningsgeneratom (16) överensstämmande resonansfrekvens, varvid den av ; svängkroppen (162) alstrade svängnigen omfattar flera i perifeririktningen pä av- » » · ; stand frän varandra belägna svängningsutbuktningar och att en tili en första sväng- I · I V,'. ningsutbuktning ansluten ringdel (162a) är kopplad tili svängningsgeneratom (16) I » I och en tili en andra svängningsutbuktning ansluten andra ringdel är kopplad tili : ,·, 25 verktyget(36;80;86;96;98;106;120;134;140;148; 156;176).
4. Anordning enligt patentkravet 3, kännetecknad därav, att svängkroppen 7. har formen av en ring, en hylsa eller en ihälig boll. » 41 116362
5. Anordning enligt patentkravet 1 eller 2, kännetecknad därav, att styrhu viidet (28) innefattar en i ett styrhus (30) bildad styrkanal (32), i vilken en vätska och/eller en gas är innesluten.
6. Anordning enligt patentkravet 5, kännetecknad därav, att ändama av styrkanalen (32) är tätt tillslutna med avseende pä ett strömningsmedium med hjälp av en membran (33,34) eller en rörlig kolv.
7. Anordning enligt patentkravet 6, kännetecknad därav, att membranema 10 (33,34) eller kolvama är anordnade vinkelrätt i förhällande tili längdaxeln av sväng- ningsgeneratom (16) resp. axeln av verktyget (10).
8. Anordning enligt patentkravet 7, kännetecknad därav, att tjockleken av de lämpligast av metall eller metallegering tillverkade membranema (33,34) avtar frän 15 den tili styrhuset (30) anslutna kanten i riktning mot mittpartiet.
9. Anordning enligt vilket som heist av patentkraven 5-8, kännetecknad därav, att den i styrkanalen (32) befmtliga vätskevolymen (35) uppvisar en lag * · • · viskositet ätminstone under ultraljudinverkan. ’20
• · · ;, ; ’ 10. Anordning enligt patentkravet 9, kännetecknad därav, att vätskevolymen ♦ * * ; (35) bestar av kvicksilver, vatten, alkohol eller blandningar av alkohol och vatten » > » '; eller silikonolja eller i flytande form överförda nickellegeringar. : , · # 25
11. Anordning enligt vilket som heist av patentkraven 1-10, kännetecknad »rl I . ·*, därav, att vinkein mellan längdaxeln (H) av svängningsgeneratom (16) och axeln , (W) av verktyget (36;80;86;96;98;106;120;134;140;148;156;176) är cirka 60 - i2o°. . ; 30 116362 42
12. Anordning enligt vilket som heist av patentkraven 1-10, kännetecknad därav, att vinkein mellan längdaxeln (H) av svängningsgeneratom (16) och längdax-eln (W) av verktyget (36;80;86;96;98;106;120;134;140;148;156;176) är cirka 90°.
13. Anordning enligt vilket som heist av patentkraven 1-12, kännetecknad därav, att hela systemet, som bestär av svängningsgeneratom (16), styrhuvudet (28) och verktyget (36;80;86;96;98;106;120;134;140;148;156;176), svänger med reso-nansfrekvens.
14. Anordning enligt vilket som heist av patentkraven 1-13, kännetecknad därav, att verktyget (80;86;156;176) bildar negativformen av en formfyllningskropp (88;92; 176), som är framställd av vävnadsersättningsmaterial, exempelvis tander-sättningsmaterial, och att verktyget (80;86; 156; 176) och styrhuvudet (28) är utfor-made pä sädant sätt, att verktyget (80;86;156;176) under oscillation kan insänkas i 15 materialet som skall bearbetas.
15. Anordning enligt patentkravet 14, kännetecknad därav, att den omfattar en sats olika verktyg (80;86;156;176), som är avsedda för olika tandstorlekar :·: : och/eller olika minimiprepareringsdjup, som exempelvis är specifika för det använ- 20 da restaureringsmaterialet, och som är försedda med negativformer motsvarande ;t ; olika formfyllningskroppar (88;92;176).
!!16. Anordning enligt patentkravet 15, kännetecknad därav, att den omfattar en sats formfyllningskroppar (88;92;176), som har samma former och storleksav-: , ·, 25 trappningar som verktygen (80;86; 156; 176), som används för kavitetspreparering.
17. Anordning enligt patentkravet 15 eller 16, kännetecknad därav, att form-fyllningskroppama (88;92;176) bestar av keramiskt material eller polymerkom-positmaterial eller metall, exempelvis titan, och att ytoma av dessa är ätminstone ’ 30 delvis fuktade med fästmaterial, särskilt polymerbindämnen eller lim eller form- eller kraftstyvt anslutna pä plats. 1 1 6362 43
18. Anordning enligt vilket som heist av patentkraven 1-13, kännetecknad därav, att verktyget (140) innefattar en arbetsdel (144), som är tillverkad av ett material som blir varmt under inverkan av ultraljud. 5
19. Anordning enligt patentkravet 18, kännetecknad därav, att arbetsdelen (144) av verktyget (140) blir uppvärmd genom inverkan av friktionsvärme, särskilt inre friktionsvärme, varvid denna arbetsdel omfattar flera olika materialskikt.
20. Anordning enligt vilket som heist av patentkraven 1-19, kännetecknad därav, att den omfattar minst en anordning (46,50,52;164,166,168) för tillförsel av ett slipande behandlingsmedium (48;170) tili verktyget (36;80;86;98; 106; 120;134; 148;156;176), varvid detta slipande behandlingsmedium (48;170) innehäller lämpli-gast smä slipande förseglingspartiklar (60), vilkas genomsnittliga deldiameter är 15 under 5 pm.
21. Anordning enligt patentkravet 20, kännetecknad därav, att den genomsnittliga delstorleken av de slipande förseglingspartiklama (60) är cirka 1 pm. • *
22. Anordning enligt patentkravet 20 eller 21, kännetecknad därav, att bland ;t friktionspartiklama är anordnade förseglingspartiklar (69), som bestär av oxld- • I ' ; och/eller silikat- och/eller karbid- och/eller nitrid- och/eller polymermaterial och att !!! ytan av dessa förseglingspartiklar ätminstone delvis kan bringas i kemisk förbind- ning med silaner och/eller polymerer under inverkan av ätminstone delvis syrahalti- : , , 25 ga gelbildande fogfyllningsmedel, i synnerhet genom förmedling av glasningslim * » » . ·, eller kompomerer som härdar genom inverkan av ljus eller kemiskt, i en sig bildan- de gel, varvid friktionspartiklama innehäller företrädesvis 2 - 20, fördelaktigt cirka 10 volymandelar förseglingspartiklar. ’ ’ 30
23. Anordning enligt vilket som heist av patentkraven 20-22, kännetecknad ‘ ’ därav, att behandlingsmediet (130) harformen av minst en gel. 116362 44
24. Anordning enligt patentkravet 23, kännetecknad därav, att behandlings-mediet (130) uppvisar en med hjälp av tillsättning av aerosol eller gelbildande bärämnen, exempelvis gelatin, förändrad viskositet och att det gelformiga behand- 5 lingsmediet övergär i vätska ätminstone delvis under ultraljudinverkan.
25. Anordning enligt patentkravet 23 eller 24, kännetecknad därav, att grundkomponenten av behandlingsmediet (130) omfattar glyceringel eller cirka 1 -10 procentig klorhexidgel eller gelatin. 10
26. Anordning enligt vilket som heist av patentkraven 14-25, kännetecknad därav, att verktyget och en formfyllningskropp som skall insättas i en vävnad-skavitet bildas tillsammans med en formfyllningskropp (156;176) som är tillverkad av vävnadsenligt härt material. 15
27. Anordning enligt patentkravet 26, kännetecknad därav, att formfyll-ningskroppen (156;176) bestär av oxidkeramiska eller icke-oxidkeramiska ämnen eller metallmaterial. • 1 tt 1
28. Anordning enligt patentkravet 26 eller 27, kännetecknad därav, att form-, ; fyllningskroppen (176) innefattar en tili den drivande utgängsdelen (34;162d) pä ! styrhuvudet (28) anslutbar fästdel (178), som är ansluten tili den del av formfyll- ningskroppen (176) som skall insättas i vävnadskaviteten med hjälp av exempelvis skruvar, lim eller lödning. 25 * 1 » » t '' ‘.
29. Anordning enligt vilket som heist av patentkraven 20-28, kännetecknad därav, att behandlingsmediet (48;170) innehäller friktionspartiklar (56), vilkas diameter huvudsakligen motsvarar den totala slaglängden av ultraljudsvängningen av verktyget (36;80;86;98;106;120;134;148;156;176), varvid företrädesvis en , 30 volymandel friktionspartiklar insätts i 3 - 50, fördelaktigt 5-20 och ännu fördelak- tigare cirka 10 volymandelar vätska. 45
30. Anordning enligt vilket som heist av patentkraven 20-29, kännetecknad därav, att friktionspartiklama (56,58,60) uppvisar en hydrofil yta eller en hydrofil ytbeläggning. 5
31. Anordning enligt vilket som heist av patentkraven 20-30, kännetecknad därav, att den omfattar en tilläggsanordning (46,40,52) för tillförsel av be-handlingsmedium (48) tili utsidan av verktyget (36;80;86;98;120;134;148;156;176).
32. Anordning enligt vilket som heist av patentkraven 1-31, kännetecknad därav, att verktyget (36;80;86;96;106;120;134;148;156) är ätminstone delvis ihäligt och anslutet tili en anordning (164,166,168) avsedd för tillförsel av slipande be-handlingsmedium (170).
33. Anordning enligt vilket som heist av patentkraven 1-32, kännetecknad därav, att verktyget (96) uppvisar minst ett kullrigt vibrationshuvud.
34. Anordning enligt vilket som heist av patentkraven 1-32, kännetecknad • · ’ ; därav, att verktyget (86;98;120; 138; 176) uppvisar ett böjt tvärsnitt. I · · 20
35. Anordning enligt vilket som heist av patentkraven 1-32, kännetecknad ! därav, att verktyget (120) uppvisar en rännformig eller spadformig arbetsdel (124).
36. Anordning enligt vilket som heist av patentkraven 1-32, kännetecknad ; , ·. 25 därav, att den fria frontytan av verktyget (98; 106) uppvisar ett i förhällande tili axeln . '. av verktyget snett förlöpande eller som en halkäl böjt avsnitt. 1
’ 37. Anordning enligt patentkravet 36, kännetecknad därav, att den fria frontytan (108) av verktyget (106) uppvisar ett vinkelrätt i förhällande tili längdax-, 30 eln av verktyget förlöpande avsnitt. 116362 46
38. Anordningenligtvilketsomheistavpatentkraven 1-32, kännetecknad därav, att verktyget (134) uppvisar ett skaft (136) och en i den fria änden av detta fast tvärstäende arbetsdel (138).
39. Anordning enligt vilket som heist av patentkraven 1-32, kännetecknad därav, att verktyget (148) uppvisar en mejselspets (154).
40. Anordning enligt vilket som heist av patentkraven 1-32, kännetecknad därav, att verktyget (156) har en geometrisk form motsvarande geometrin av en 10 tandrotkanal (158).
41. Anordning enligt vilket som heist av patentkraven 1-40, kännetecknad därav, att verktyget uppvisar en i förhällande till sin längdaxel tvärsvängande änd-del. 15
42. Anordning enligt vilket som heist av patentkraven 1-41, kännetecknad av minst tvä olika parallellförskjuten i vävnad insänkta formverktyg (98;106), vilka gemensamt bildar formen av kaviteten, som ska bildas i vävnaden. * 1 · » · ,, 20
43. Användning av en anordning enligt vilket som heist av patentkraven 1 - 41 för » « , ; preparering av tand- eller benersättningsmaterial med hjälp av ultraljud. 1 1
FI963315A 1994-02-27 1996-08-26 Anordning, och dess användning för tillverkning av material som ersätter hårda eller mjuka vävnader och tand eller ben hos människor eller djur med hjälp av ultraljud FI116362B (sv)

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DE4406323 1994-02-27
DE4406323A DE4406323C2 (de) 1994-02-27 1994-02-27 Ultraschall-Handstück zur abtragenden Behandlung von natürlichen Hartgeweben sowie Zahn- und Knochenersatzmaterialien
EP9500710 1995-02-27
PCT/EP1995/000710 WO1995022938A2 (de) 1994-02-27 1995-02-27 Vorrichtung, verfahren und hilfsmittel zur ultraschallpräparation von menschlichen oder tierischen hart- oder weichgeweben und von zahn- oder knochenersatzmaterialien sowie hiermit erhaltene objekte

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FI963315A FI963315A (sv) 1996-10-24
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EP0746262A1 (de) 1996-12-11
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WO1995022938A2 (de) 1995-08-31
DE4447698B4 (de) 2005-04-14
AU1812195A (en) 1995-09-11
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DE4406323C2 (de) 1997-07-17
CA2184289A1 (en) 1995-08-31
DE59510332D1 (de) 2002-09-26
DE4447667C2 (de) 2002-10-24
FI963315A0 (sv) 1996-08-26
JPH09509344A (ja) 1997-09-22
DE4406323A1 (de) 1995-09-07
US6139320A (en) 2000-10-31
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EP0746262B1 (de) 2002-08-21
AU684341B2 (en) 1997-12-11

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