SE462315B - Anordning foer tillverkning av bencement - Google Patents

Anordning foer tillverkning av bencement

Info

Publication number
SE462315B
SE462315B SE8901599A SE8901599A SE462315B SE 462315 B SE462315 B SE 462315B SE 8901599 A SE8901599 A SE 8901599A SE 8901599 A SE8901599 A SE 8901599A SE 462315 B SE462315 B SE 462315B
Authority
SE
Sweden
Prior art keywords
agitator
mixing
bone cement
mixing cylinder
channel
Prior art date
Application number
SE8901599A
Other languages
English (en)
Other versions
SE8901599D0 (sv
Inventor
S Smeds
Original Assignee
Surgitec Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Surgitec Ab filed Critical Surgitec Ab
Priority to SE8901599A priority Critical patent/SE462315B/sv
Publication of SE8901599D0 publication Critical patent/SE8901599D0/sv
Priority to PCT/SE1990/000018 priority patent/WO1990013264A1/en
Priority to US07/775,974 priority patent/US5252301A/en
Priority to DE69022047T priority patent/DE69022047T2/de
Priority to JP2503666A priority patent/JP2915567B2/ja
Priority to AT90903630T priority patent/ATE126993T1/de
Priority to CA002054196A priority patent/CA2054196C/en
Priority to EP90903630A priority patent/EP0470959B1/en
Priority to DK90903630.3T priority patent/DK0470959T3/da
Priority to ES90903630T priority patent/ES2078336T3/es
Priority to AU51551/90A priority patent/AU633058B2/en
Publication of SE462315B publication Critical patent/SE462315B/sv
Priority to NO19914245A priority patent/NO314923B1/no
Priority to KR1019910701507A priority patent/KR0131143B1/ko

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
    • B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
    • A61B17/8825—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by syringe details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/514—Mixing receptacles the mixing receptacle or conduit being transparent or comprising transparent parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/713—Feed mechanisms comprising breaking packages or parts thereof, e.g. piercing or opening sealing elements between compartments or cartridges
    • B01F35/7137—Piercing, perforating or melting membranes or closures which seal the compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
    • B01F35/71731—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/75425—Discharge mechanisms characterised by the means for discharging the components from the mixer using pistons or plungers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8802—Equipment for handling bone cement or other fluid fillers
    • A61B17/8833—Osteosynthesis tools specially adapted for handling bone cement or fluid fillers; Means for supplying bone cement or fluid fillers to introducing tools, e.g. cartridge handling means
    • A61B2017/8838—Osteosynthesis tools specially adapted for handling bone cement or fluid fillers; Means for supplying bone cement or fluid fillers to introducing tools, e.g. cartridge handling means for mixing bone cement or fluid fillers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30561—Special structural features of bone or joint prostheses not otherwise provided for breakable or frangible
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4685—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor by means of vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0071—Additional features; Implant or prostheses properties not otherwise provided for breakable or frangible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/20—Mixing of ingredients for bone cement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/565—Mixing liquids with solids by introducing liquids in solid material, e.g. to obtain slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Dispersion Chemistry (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Description

15 20 25 30 35 462 515 Ytterligare fördelar hos uppfinningen framgår av bifogade underkrav och den följande beskrivningen med hänvisning till bifogade ritning, på vilken figurerna la och lb i ett längssnitt schematiskt visar en blandningscylinder med botten resp en i ett lock glidbart lagrad omrörare. Fig 1c visar en omrörarskiva enligt uppfinningen sedd underifrån. Fig 2 är ett längssnitt genom en anordning enligt uppfin- ningen och fig 3 visar i detalj penetrering av ett tätningsmembran.
Fig 4 illustrerar hur tillredningsanordningen enligt föreliggande uppfinning slutligen användes som bencementspruta.
På ritningen betecknar 1 en blandningscylinder och 2 en botten, som tätande är inskjuten i blandnignscylinderns 1 ena ände. Blandnings- cylindern 1 är företrädesvis tillverkad av ett genomsynligt material och botten 2, är av skäl som kommer att framgå senare, av ett gummi- liknande elastiskt material, är utbildad med en mot cylinderns inre riktad utskjutande tapp 2a, samt har ett ringflänsliknande utskott 2b, som passar i ett motsvarande spår la i blandningscylinderns 1 innervägg.
Tillredningsanordningen enligt uppfinningen innefattar vidare ett lock 3 med en i detta axiellt rörlig omrörare 4. Denna innefattar en kolvliknande omrörarskiva 4a och en i locket 3 glidbart lagrad om- rörarstång 4b. Locket är avtätat_mot blandningscylinderns 1 innervägg och mot omrörarstången 4b medelst 0-ringar 5 resp 6. Locket 3 upp- visar vidare en evakueringskanal 3a, vilken via en ledning 7 är anslutbar till en ej visad vakuumkälla och vilken, då locket 3 är monterat mynnar i blandningscylinderns innerutrymme.
Omrörarskivan 4a är genombruten av kanaler 4a1, genom vilka bence- mentkomponenterna bringas strömma under omröringen för att göra denna så effektiv som möjligt. Omrörarstången 4b uppvisar en axiell kanal 4b1, vilken i den vid omrörarskivan 4a fixerade änden av stången 4b är försluten medelst ett penetrerbart membran 4c. Detta har brott- anvisningar 4c1, vilka är illustrerade i fig lc.
I fig la har med punktraster och hänvisningssiffran 8 markerats ett pulver och med hänvisningssiffran 9 och streckmarkering en vätska, 10 15 20 25 30 35 462 315 vilka utgör komponenterna i bencementet och vilka förts in i bland- ningscylindern 1 via den öppning som är avsedd att tillslutas medelst locket 3. För tydlighets skull har dessa komponenter utelämnats i övriga figurer.
I fig 2 illustreras själva blandningsförloppet. Med hjälp av omrörar- stången 4b bringas omrörarskivan 4a att röra sig upp och ner i bland- ningscylindern 1. Denna rörelse antyds med en dubbelriktad pil 10 i fig 2. Medelst dubbelriktade pilar 11 antyds i samma figur att kompo- nenterna 8, 9 härvid bringas att strömma genom kanalerna 4a1 och genom ett utrymme mellan omrörarskivan 4a och cylinderns 1 innervägg.
Eftersom cylinderväggen är genomsynlig kan fackmannen lätt avgöra när tillredningen av bencementet är klar.
När det konstaterats att tillredningen är klar förs omröraren 4 nedåt med en bestämd rörelse, vilket i fig 3 illustreras med en nedåtriktad pil 12 så att omrörarskivan 4a stöter emot botten 2. Härvid penetre- ras membranet 4c av tappen 2a och brister längs brottanvisningarna 4c1, vilket i fig 3 illustreras med pilar 13. Härefter dras omröraren till det i fig 4 visade läget. Kanalen 4b1 i omrörarstången 4b kommu- nicerar nu med det utrymme i blandningscylindern 1 i vilket den tillredda bencementen finns.
Tillredningsanordningen enligt uppfinningen placeras nu i en sprut- mekanism av det slag som vanligen används för strängvis utsprutning av tätningsmassa och liknande. Denna mekanism är i fig 4 antydd med dels en streckat markerad hållardel 14 i vilken blandningscylindern 1 med botten 2, lock 3 och omrörare 4 placeras dels en tryckkolv 15 med tillhörande tryckstång 16.
När tryckkolven 15 bringas att pressa mot botten 2, vilket illustre- ras med en uppåtriktad pil 17, kommer när tryckkraften blivit till- räckligt stor det ringflänsliknande utskottet 2b att under hoptryck- ning tvingas ur spåret la och fungera som tätning mot blandnings- cylinderns 1 innervägg. Botten 2 verkar nu som kolv och pressar bencementen genom det penetrerade membranet 4c och via kanalen 4b1 ut i det fria för den avsedda användningen, vilket antyds med en pil 18.

Claims (1)

10 15 20 25 462 315 4 Patentkrav
1. Anordning för tiïïverkning av bencement genom bïandning av i detta ingående komponenter innefattande en bïandningscyïinder (1) i form av ett rör med botten (2) och ïock (3) och en i b1and- ningscylindern axieïït rör1ig omrörare (4) i form av en koïvïik- nande omrörarskiva (4a), viïken är genombruten av kana1er (4a1), genom vi1ka bencementens komponenter bringas strömma under b1and- ningsför1oppet och en med omrörarskivan (4a) operativt förbunden, i ïocket (3) gïidbart ïagrad ko1vstångs1iknande omrörarstång (4b), k ä n n e t e c k n a d därav, att omrörarstången (4b) har en axieïï kanaï (4b1), som vid omrörarskivan (4a) är försluten medeist ett penetrerbart membran (46), att botten (2) är utbiïdad med ett mot omrörarskivan utskjutande organ (2b) inrättat att vid fuïïbordad b1andning penetrera membranet(4c)då omröraren(4) förskjuts axie11t mot botten(2) och att botten (2) är inrättad att under inverkan av en axiaïkraft 1ikt en ko1v förskjutas axie11t i riktning mot ïocket (3), varvid bencementen strömmar ut genom omrörarstångens (4b) kanaï (4b1L Anordning enïigt patentkravet 1, k ä n n e t e c k n a d därav, att 1ocket(3) har-en så utbiïdad ti11 en vakuumkäïïa ansïutbar evakueringskanaï (3a) att den, då ïocket (3) är monterat, mynnar i bïandningscyïinderns (1) innerutrymme. Anordning enïigt patentkravet 1, k ä n n e t e c k n a d därav, att b1andningscy1indern (1) är genomsynïig.
SE8901599A 1989-05-03 1989-05-03 Anordning foer tillverkning av bencement SE462315B (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE8901599A SE462315B (sv) 1989-05-03 1989-05-03 Anordning foer tillverkning av bencement
AU51551/90A AU633058B2 (en) 1989-05-03 1990-01-11 Device for preparing bone cement
CA002054196A CA2054196C (en) 1989-05-03 1990-01-11 Device for preparing bone cement
US07/775,974 US5252301A (en) 1989-05-03 1990-01-11 Apparatus for the preparation of bone cement
DE69022047T DE69022047T2 (de) 1989-05-03 1990-01-11 Anordnung zur herstellung von knochenzement.
JP2503666A JP2915567B2 (ja) 1989-05-03 1990-01-11 ボーンセメントの製造装置
AT90903630T ATE126993T1 (de) 1989-05-03 1990-01-11 Anordnung zur herstellung von knochenzement.
PCT/SE1990/000018 WO1990013264A1 (en) 1989-05-03 1990-01-11 Device for preparing bone cement
EP90903630A EP0470959B1 (en) 1989-05-03 1990-01-11 Device for preparing bone cement
DK90903630.3T DK0470959T3 (da) 1989-05-03 1990-01-11 Indretning til fremstilling af bencement
ES90903630T ES2078336T3 (es) 1989-05-03 1990-01-11 Dispositivo para la preparacion de cemento para huesos.
NO19914245A NO314923B1 (no) 1989-05-03 1991-10-30 Framgangsmåte og anordning for framstilling av ben-sement
KR1019910701507A KR0131143B1 (ko) 1989-05-03 1991-11-01 골접합체 제조용 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8901599A SE462315B (sv) 1989-05-03 1989-05-03 Anordning foer tillverkning av bencement

Publications (2)

Publication Number Publication Date
SE8901599D0 SE8901599D0 (sv) 1989-05-03
SE462315B true SE462315B (sv) 1990-06-11

Family

ID=20375858

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8901599A SE462315B (sv) 1989-05-03 1989-05-03 Anordning foer tillverkning av bencement

Country Status (13)

Country Link
US (1) US5252301A (sv)
EP (1) EP0470959B1 (sv)
JP (1) JP2915567B2 (sv)
KR (1) KR0131143B1 (sv)
AT (1) ATE126993T1 (sv)
AU (1) AU633058B2 (sv)
CA (1) CA2054196C (sv)
DE (1) DE69022047T2 (sv)
DK (1) DK0470959T3 (sv)
ES (1) ES2078336T3 (sv)
NO (1) NO314923B1 (sv)
SE (1) SE462315B (sv)
WO (1) WO1990013264A1 (sv)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993022041A1 (en) * 1992-04-29 1993-11-11 Cemvac System Ab Device for preparing bone cement
US5328262A (en) * 1992-02-07 1994-07-12 Mit Ab Method for producing reduced porosity bone cement
WO1995000240A1 (en) * 1993-06-21 1995-01-05 Cemvac System Ab Apparatus for the preparation of bone cement
WO1996034681A1 (en) * 1995-05-03 1996-11-07 Astra Aktiebolag Device and process for mixing a pharmaceutical composition with another agent and method for oral administration of the pharmaceutical preparation

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4228780A1 (de) * 1992-08-28 1994-03-03 Draenert Klaus Vorrichtung und Verfahren zum Vakuummischen eines Stoffgemisches
DE4243877C2 (de) * 1992-12-23 1997-03-20 Volkmar Dipl Ing Dr Me Jansson Verfahren und Vorrichtung zum Anmischen von Knochenzement
SE500430C2 (sv) * 1993-05-10 1994-06-27 Cemvac System Ab Anordning för inmatning av bencementkomponenter i ett under undertryck stående blandningskärl
US5395167A (en) * 1993-11-16 1995-03-07 Murray; William M. Manual bone cement mixing system
GB9403362D0 (en) 1994-02-22 1994-04-13 Summit Medical Ltd Bone cement mixing apparatus
DE4409610C3 (de) * 1994-03-21 2001-09-20 Scandimed Internat Ab Sjoebo Mischvorrichtung
US5462356A (en) * 1994-06-01 1995-10-31 Murray; William M. Bone and dental cement method and preform
DE4425218A1 (de) * 1994-07-16 1996-01-18 Merck Patent Gmbh Vorrichtung zum Mischen und Austragen von Knochenzement
US5549381A (en) * 1995-05-19 1996-08-27 Hays; Greta J. Method and apparatus for mixing polymeric bone cement components
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EP0861117B1 (en) * 1995-11-13 2001-07-25 Cemvac System Aktiebolag Method and device for mixing components for bone cement in a mixing vessel
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NO914245L (no) 1991-10-30
DE69022047T2 (de) 1996-04-11
SE8901599D0 (sv) 1989-05-03
EP0470959B1 (en) 1995-08-30
US5252301A (en) 1993-10-12
DE69022047D1 (de) 1995-10-05
CA2054196C (en) 1999-01-19
NO914245D0 (no) 1991-10-30
KR920700587A (ko) 1992-08-10
AU633058B2 (en) 1993-01-21
EP0470959A1 (en) 1992-02-19
ATE126993T1 (de) 1995-09-15
CA2054196A1 (en) 1990-11-04
WO1990013264A1 (en) 1990-11-15
JPH04507200A (ja) 1992-12-17
KR0131143B1 (ko) 1998-04-14
ES2078336T3 (es) 1995-12-16
DK0470959T3 (da) 1995-12-18
JP2915567B2 (ja) 1999-07-05
NO314923B1 (no) 2003-06-16
AU5155190A (en) 1990-11-29

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