DE20001940U1 - Hip cup with radially directed projections - Google Patents

Hip cup with radially directed projections

Info

Publication number
DE20001940U1
DE20001940U1 DE20001940U DE20001940U DE20001940U1 DE 20001940 U1 DE20001940 U1 DE 20001940U1 DE 20001940 U DE20001940 U DE 20001940U DE 20001940 U DE20001940 U DE 20001940U DE 20001940 U1 DE20001940 U1 DE 20001940U1
Authority
DE
Germany
Prior art keywords
acetabular cup
cup according
pin
shaped elements
bead
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 - Lifetime
Application number
DE20001940U
Other languages
German (de)
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.)
Merete Medical GmbH
Original Assignee
Merete Medical GmbH
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 Merete Medical GmbH filed Critical Merete Medical GmbH
Priority to DE20001940U priority Critical patent/DE20001940U1/en
Publication of DE20001940U1 publication Critical patent/DE20001940U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61F2/32Joints for the hip
    • A61F2/34Acetabular cups
    • AHUMAN NECESSITIES
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    • 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
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    • A61F2/46Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
    • A61F2/4603Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof
    • A61F2/4609Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for insertion or extraction of endoprosthetic joints or of accessories thereof of acetabular cups
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    • 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
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    • A61F2002/3011Cross-sections or two-dimensional shapes
    • A61F2002/30112Rounded shapes, e.g. with rounded corners
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    • A61F2002/30317The prosthesis having different structural features at different locations within the same prosthesis
    • A61F2002/30326The prosthesis having different structural features at different locations within the same prosthesis differing in height or in length
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    • A61F2002/30331Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementarily-shaped recess, e.g. held by friction fit
    • A61F2002/30332Conically- or frustoconically-shaped protrusion and recess
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    • 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
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    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
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    • A61F2002/30354Cylindrically-shaped protrusion and recess, e.g. cylinder of circular basis
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    • 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
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    • A61F2002/30329Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30476Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30495Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking ring
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    • A61F2002/30535Special structural features of bone or joint prostheses not otherwise provided for
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    • A61F2310/00Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005The prosthesis being constructed from a particular material
    • A61F2310/00011Metals or alloys
    • A61F2310/00023Titanium or titanium-based alloys, e.g. Ti-Ni alloys

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)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (14)

1. Hüftpfanne mit radial gerichteten Vorsprüngen, dadurch gekennzeichnet, dass die Vorsprünge als stiftförmige Elemente (6 bis 8) mit einem zylindrischen oder leicht konischen Schaftbereich ausgebildet sind, welche in eine entsprechende Aussparung des Pfannengrundkörpers 1 mittels Presspassung einfügt sind.1. acetabular cup with radially directed projections, characterized in that the projections are designed as pin-shaped elements ( 6 to 8 ) with a cylindrical or slightly conical shaft region, which are inserted into a corresponding recess in the socket base body 1 by means of an interference fit. 2. Hüftpfanne nach Anspruch 1, dadurch gekennzeichnet, dass Pfannengrundkörper 1 und stiftförmige Elemente (6 bis 8) aus einer Titanlegierung bestehen.2. acetabular cup according to claim 1, characterized in that pan base body 1 and pin-shaped elements ( 6 to 8 ) consist of a titanium alloy. 3. Hüftpfanne nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die stiftförmige Elemente (6 bis 8) einen Bund aufweisen, welcher in Bezug auf die Oberfläche des Pfannengrundkörpers 1 einen Anschlag bildet.3. acetabular cup according to one of the preceding claims, characterized in that the pin-shaped elements ( 6 to 8 ) have a collar which forms a stop with respect to the surface of the base body 1 . 4. Hüftpfanne nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die stiftförmige Elemente (6 bis 8) zylindrisch ausgebildet sind und insbesondere an ihrem Endbereich abgeflacht ausgebildet sind.4. acetabular cup according to one of the preceding claims, characterized in that the pin-shaped elements ( 6 to 8 ) are cylindrical and in particular are flattened at their end region. 5. Hüftpfanne nach Anspruch 4, dadurch gekennzeichnet, dass stiftförmige Elemente (6 bis 8) mindestens einen durch einen tangential umlaufenden Wulst gebildeten Wulstbereich (23, 25) aufweisen, der mindestens einer axialen Richtung in einen angrenzenden taillierten Bereich 22, 24 übergeht. 5. acetabular cup according to claim 4, characterized in that pin-shaped elements ( 6 to 8 ) have at least one bead area ( 23 , 25 ) formed by a tangentially circumferential bead which merges into an adjacent waisted area 22 , 24 at least one axial direction. 6. Hüftpfanne nach Anspruch 5, dadurch gekennzeichnet, dass Wulst- und taillierte Bereiche (22, 24) einen im Querschnitt wellenförmigen Oberflächenverlauf bilden, der ausgeglichene Steigungsänderungen aufweist.6. acetabular cup according to claim 5, characterized in that bead and waisted areas ( 22 , 24 ) form a wavy surface profile in cross section, which has balanced changes in slope. 7. Hüftpfanne nach Anspruch 7, dadurch gekennzeichnet, dass die Wulstbereiche im Querschnitt stärker gekrümmt sind als die tallierten Bereiche (22, 24), welche dafür in Längsrichtung eine größere Erstreckung aufweisen als die Wulstbereiche (23, 25).7. acetabular cup according to claim 7, characterized in that the bead areas are more curved in cross section than the tallied areas ( 22 , 24 ), which therefore have a greater extension in the longitudinal direction than the bead areas ( 23 , 25 ). 8. Hüftpfanne nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die stiftförmige Elemente (6 bis 8) - bei entsprechend unterschiedlicher Länge - einen, zwei oder drei Wulstbereiche (23, 25) aufweisen.8. acetabular cup according to one of the preceding claims, characterized in that the pin-shaped elements ( 6 to 8 ) - with a correspondingly different length - have one, two or three bead regions ( 23 , 25 ). 9. Hüftpfanne nach Anspruch 7, dadurch gekennzeichnet, dass zwischen jeweils zwei Wulstbereichen (23, 25) ein taillierten Bereich (22, 24) vorgesehen ist.9. acetabular cup according to claim 7, characterized in that a waisted area ( 22 , 24 ) is provided between each two bead areas ( 23 , 25 ). 10. Hüftpfanne nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Aussparungen des Pfannenkörpers (1) als radial gerichtete Sackbohrungen (15 bis 18) ausgebildet sind.10. acetabular cup according to one of the preceding claims, characterized in that the recesses of the socket body ( 1 ) are designed as radially directed blind bores ( 15 to 18 ). 11. Hüftpfanne nach Anspruch 10, dadurch gekennzeichnet, dass die radial gerichtete Sackbohrungen (15 bis 18) in Teilkreisen angeordnet sind, welche parallel zur Grundebene ausgerichtet sind. 11. acetabular cup according to claim 10, characterized in that the radially directed blind bores ( 15 to 18 ) are arranged in partial circles which are aligned parallel to the base plane. 12. Hüftpfanne nach Anspruch 11, dadurch gekennzeichnet, dass die Teilkreise in Breitenwinkeln von im wesentlichen 10, 23, 34 und 55° angeordnet sind.12. acetabulum according to claim 11, characterized in that the pitch circles in latitude angles of essentially 10, 23, 34 and 55 ° are arranged. 13. Hüftpfanne nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Pfannengrundkörper (1) mit den stiftförmigen Elementen (6 bis 8) in unterschiedlicher Längenauswahl bestückbar ist.13. acetabular cup according to one of the preceding claims, characterized in that the base body ( 1 ) with the pin-shaped elements ( 6 to 8 ) can be equipped in different lengths. 14. Hüftpfanne nach Anspruch 13, dadurch gekennzeichnet, dass die stiftförmigen Elemente (6 bis 8) in einander gegenüberliegenden diametralen Bereichen (13, 14) sich im Mittel voneinander unterscheiden.14. acetabular cup according to claim 13, characterized in that the pin-shaped elements ( 6 to 8 ) in diametrically opposed areas ( 13 , 14 ) differ from one another on average.
DE20001940U 2000-01-28 2000-01-28 Hip cup with radially directed projections Expired - Lifetime DE20001940U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20001940U DE20001940U1 (en) 2000-01-28 2000-01-28 Hip cup with radially directed projections

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20001940U DE20001940U1 (en) 2000-01-28 2000-01-28 Hip cup with radially directed projections

Publications (1)

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DE20001940U1 true DE20001940U1 (en) 2000-05-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002058598A1 (en) * 2001-01-26 2002-08-01 Mathys Medizinaltechnik Ag Expandable socket
DE10224390A1 (en) * 2002-05-28 2003-12-18 Merete Medical Gmbh Cement-free hip joint socket as replacement has outward protruding tie elements, curved flanks, inset or raised structures and horizontal base line
WO2008128367A1 (en) * 2007-04-20 2008-10-30 Woodwelding Ag Method for fastening an implant to bone tissue and corresponding implant system
WO2009004450A1 (en) * 2007-07-03 2009-01-08 Mariasal Investment N.V. Universal acetabular cup for a hip prosthesis

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002058598A1 (en) * 2001-01-26 2002-08-01 Mathys Medizinaltechnik Ag Expandable socket
AU2002210559B2 (en) * 2001-01-26 2005-05-12 Mathys Medizinaltechnik Ag Expandable socket
DE10224390A1 (en) * 2002-05-28 2003-12-18 Merete Medical Gmbh Cement-free hip joint socket as replacement has outward protruding tie elements, curved flanks, inset or raised structures and horizontal base line
DE10224390B4 (en) * 2002-05-28 2004-07-01 Merete Medical Gmbh Cementless acetabular cup
WO2008128367A1 (en) * 2007-04-20 2008-10-30 Woodwelding Ag Method for fastening an implant to bone tissue and corresponding implant system
US8357201B2 (en) 2007-04-20 2013-01-22 Woodwelding Ag Method for fastening an implant to bone tissue and corresponding implant system
US9289301B2 (en) 2007-04-20 2016-03-22 Woodwelding Ag Method for fastening an implant to bone tissue and corresponding implant system
WO2009004450A1 (en) * 2007-07-03 2009-01-08 Mariasal Investment N.V. Universal acetabular cup for a hip prosthesis

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