GB1416267A - Bone implants - Google Patents

Bone implants

Info

Publication number
GB1416267A
GB1416267A GB483573A GB483573A GB1416267A GB 1416267 A GB1416267 A GB 1416267A GB 483573 A GB483573 A GB 483573A GB 483573 A GB483573 A GB 483573A GB 1416267 A GB1416267 A GB 1416267A
Authority
GB
United Kingdom
Prior art keywords
depressions
shank
side walls
bone implants
bone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB483573A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sulzer AG
Original Assignee
Sulzer AG
Gebrueder Sulzer AG
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 Sulzer AG, Gebrueder Sulzer AG filed Critical Sulzer AG
Publication of GB1416267A publication Critical patent/GB1416267A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/3094Designing or manufacturing processes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3662Femoral shafts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/38Joints for elbows or knees
    • A61F2/3804Joints for elbows or knees for elbows
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/42Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4261Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for wrists
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2002/30001Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108Shapes
    • A61F2002/3011Cross-sections or two-dimensional shapes
    • A61F2002/30112Rounded shapes, e.g. with rounded corners
    • A61F2002/30136Rounded shapes, e.g. with rounded corners undulated or wavy, e.g. serpentine-shaped or zigzag-shaped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30838Microstructures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/30904Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves serrated profile, i.e. saw-toothed
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/30767Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2002/30906Special external or bone-contacting surface, e.g. coating for improving bone ingrowth shot- sand- or grit-blasted
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/32Joints for the hip
    • A61F2/36Femoral heads ; Femoral endoprostheses
    • A61F2/3609Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A61F2002/3625Necks
    • A61F2002/3631Necks with an integral complete or partial peripheral collar or bearing shoulder at its base
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/02Prostheses implantable into the body
    • A61F2/30Joints
    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2002/4631Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor the prosthesis being specially adapted for being cemented
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004Rounded shapes, e.g. with rounded corners

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)
GB483573A 1972-02-02 1973-01-31 Bone implants Expired GB1416267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH155072A CH547631A (de) 1972-02-02 1972-02-02 Schaft fuer knochenimplantate.

Publications (1)

Publication Number Publication Date
GB1416267A true GB1416267A (en) 1975-12-03

Family

ID=4213024

Family Applications (1)

Application Number Title Priority Date Filing Date
GB483573A Expired GB1416267A (en) 1972-02-02 1973-01-31 Bone implants

Country Status (11)

Country Link
US (1) US3848273A (de)
AT (1) AT343792B (de)
BE (1) BE794808A (de)
CA (1) CA994956A (de)
CH (1) CH547631A (de)
DE (1) DE2205808C3 (de)
FR (1) FR2169945B1 (de)
GB (1) GB1416267A (de)
IT (1) IT978715B (de)
NL (1) NL149368B (de)
SE (1) SE399177B (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE41443B1 (en) * 1974-08-29 1980-01-02 Charnley Surgical Inventions Fermoral prosthesis
US4064566A (en) * 1976-04-06 1977-12-27 Nasa Method of adhering bone to a rigid substrate using a graphite fiber reinforced bone cement
US4064567A (en) * 1976-09-15 1977-12-27 The Sampson Corporation Prosthesis-to-bone interface system
ZA771690B (en) * 1977-04-21 1978-06-28 C Grobbelaar Improved hip joint
FR2438468A1 (fr) * 1978-10-11 1980-05-09 Tornier Sa Ets Perfectionnements aux protheses de la hanche
FR2438469A1 (fr) * 1978-10-11 1980-05-09 Tornier Sa Ets Prothese de la hanche a tige femorale elastique
EP0016480B1 (de) * 1979-03-15 1983-02-16 GebràœDer Sulzer Aktiengesellschaft Strumpfartiger Überzug für den Verankerungsschaft einer Endoprothese
SE444640B (sv) * 1980-08-28 1986-04-28 Bergentz Sven Erik I djur eller menniska implanterbar kerlprotes samt sett for dess framstellning
US4407302A (en) * 1981-04-06 1983-10-04 Telectronics Pty., Ltd. Cardiac pacemaker electrode tip structure
US4408604A (en) * 1981-04-06 1983-10-11 Teletronics Pty, Limited Porous pacemaker electrode tip
CH656525A5 (de) * 1982-10-15 1986-07-15 Sulzer Ag Verankerungsschaft fuer die verankerung einer gelenkendoprothese.
US4673409A (en) * 1984-04-25 1987-06-16 Minnesota Mining And Manufacturing Company Implant with attachment surface
US4608052A (en) * 1984-04-25 1986-08-26 Minnesota Mining And Manufacturing Company Implant with attachment surface
US5522894A (en) * 1984-12-14 1996-06-04 Draenert; Klaus Bone replacement material made of absorbable beads
DE3445709A1 (de) * 1984-12-14 1986-06-19 Klaus Dr.med. Dr.med.habil. 8000 München Draenert Verschluss aus chirurgischem material
DE3445731A1 (de) * 1984-12-14 1986-06-19 Klaus Dr.med. Dr.med.habil. 8000 München Draenert Werkstoff und seine verwendung
JPS62501132A (ja) * 1984-12-14 1987-05-07 ドレナ−ト・クラウス 骨代替材料
DE3524020A1 (de) * 1985-03-30 1986-10-02 M A N Technologie GmbH, 8000 München Verfahren zur behandlung von knochenersatz-implantaten
GB8524823D0 (en) * 1985-10-08 1985-11-13 Finsbury Instr Ltd Orthopaedic implants
US4865603A (en) * 1988-02-04 1989-09-12 Joint Medical Products Corporation Metallic prosthetic devices having micro-textured outer surfaces
FR2638351A1 (fr) * 1988-11-02 1990-05-04 Jose Adrey Prothese femorale de hanche
US5507833A (en) * 1992-02-10 1996-04-16 Kim-Med, Inc. Hip replacement system and method for implanting the same
US20010039454A1 (en) * 1993-11-02 2001-11-08 John Ricci Orthopedic implants having ordered microgeometric surface patterns
US20020133232A1 (en) * 1993-11-02 2002-09-19 Ricci John L. Microstructured dual sided membrane for tissue growth and regeneration
DE59707538D1 (de) 1996-04-10 2002-07-25 Sulzer Orthopaedie Ag Metallimplantat mit einer Oberfläche und Verfahren zum Herstellen der Oberfläche
EP0800802B1 (de) * 1996-04-10 2002-06-19 Sulzer Orthopädie AG Metallimplantat mit einer Oberfläche und Verfahren zum Herstellen der Oberfläche
US6120544A (en) * 1997-05-16 2000-09-19 Eska Implants Gmbh & Co. Femur endoprosthesis for articial hip joint
AT406637B (de) * 1997-10-30 2000-07-25 Stratec Medical Ag Femurkomponente für eine hüftendogelenkprothese
US7323013B2 (en) * 1998-04-14 2008-01-29 Encore Medical Asset Corporation Differential porosity prosthetic hip system
GB0207170D0 (en) 2002-03-26 2002-05-08 Mcminn Derek J W Hip joint prosthesis
ATE345747T1 (de) * 2003-01-23 2006-12-15 Dinkelacker Wolfgang Knochenimplantat und verfahren zu seiner herstellung
GB0809721D0 (en) * 2008-05-28 2008-07-02 Univ Bath Improvements in or relating to joints and/or implants
IT1398443B1 (it) * 2010-02-26 2013-02-22 Lima Lto S P A Ora Limacorporate Spa Elemento protesico integrato
US9034048B2 (en) * 2011-01-26 2015-05-19 John A. Choren Orthopaedic implants and methods of forming implant structures
AU2014201339B2 (en) * 2013-03-13 2017-04-27 K2M, Inc. Fixation Implant and Method of Insertion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719522A (en) * 1952-07-08 1955-10-04 Stephen S Hudack Articular replacement
US2721387A (en) * 1953-07-13 1955-10-25 Edward S Ashuckian Artificial tooth
US3067740A (en) * 1959-09-08 1962-12-11 Edward J Haboush Hip joint prosthesis
US3314420A (en) * 1961-10-23 1967-04-18 Haeger Potteries Inc Prosthetic parts and methods of making the same
US3605123A (en) * 1969-04-29 1971-09-20 Melpar Inc Bone implant

Also Published As

Publication number Publication date
SE399177B (sv) 1978-02-06
BE794808A (fr) 1973-07-31
US3848273A (en) 1974-11-19
NL149368B (nl) 1976-05-17
CH547631A (de) 1974-04-11
DE2205808C3 (de) 1975-04-24
DE2205808B2 (de) 1974-08-22
DE2205808A1 (de) 1973-08-16
ATA1054172A (de) 1977-10-15
FR2169945B1 (de) 1978-03-24
AT343792B (de) 1978-06-12
NL7202255A (de) 1973-08-06
IT978715B (it) 1974-09-20
CA994956A (en) 1976-08-17
FR2169945A1 (de) 1973-09-14

Similar Documents

Publication Publication Date Title
GB1416267A (en) Bone implants
USD330973S (en) Shoe sole bottom
USD345243S (en) Shoe midsole
USD325289S (en) Side of a shoe midsole
IT8719405A0 (it) Protesi interna per la sostituzione di una parte del corpo umano particolarmente nelle operazioni vascolari.
ES260568U (es) Vastago recto en forma de hoja para una endoprotesis articu-lar
GB1401862A (en) Oral implant
DE3881570D1 (de) Reaktionsfaehige haertbare zusammensetzung sowie die gehaerteten produkte dieser zusammensetzung enthaltenden produkte.
CA2194117A1 (en) Spine implant
DE3885997D1 (de) Anpassbare Hüftprothese.
CA2392011A1 (en) Chew article for animals promoting dental/gingival health
DE3366828D1 (en) Anchoring shaft for the anchoring of bone implants
DE68911808T2 (de) Weichgewebeimplantat mit einer Oberflächentextur im Mikrobereich zur Optimierung der Verankerung.
GR3000407T3 (en) Surface-active compositions based on phosphoric esters, method of preparing them, and their use in the production of active materials
IE893512L (en) Femoral hip prosthesis
JPS5010080B2 (de)
US4651760A (en) Toothpick
GB1275536A (en) Dental ramus implant
USD312723S (en) Cushioning piece for shoe sole
FR2315901A1 (fr) Implant dentaire intra-osseux
USD345250S (en) Shoe outsole
GB1302789A (de)
WO1988000629A1 (fr) Procede d'ancrage d'un pieu prefabrique dans le sol et pieu pour l'execution de ce procede
US2374422A (en) Denture
DE3566609D1 (en) Denture for substituting an extracted tooth

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee