WO2010091995A1 - Keramischer pfanneneinsatz mit invers-konischem führungszapfen - Google Patents
Keramischer pfanneneinsatz mit invers-konischem führungszapfen Download PDFInfo
- Publication number
- WO2010091995A1 WO2010091995A1 PCT/EP2010/051371 EP2010051371W WO2010091995A1 WO 2010091995 A1 WO2010091995 A1 WO 2010091995A1 EP 2010051371 W EP2010051371 W EP 2010051371W WO 2010091995 A1 WO2010091995 A1 WO 2010091995A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- guide
- guide pin
- socket insert
- guide bore
- pole
- Prior art date
Links
Classifications
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
-
- 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
-
- 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
- A61F2/32—Joints for the hip
-
- 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
- A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2002/30331—Connections 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
- A61F2002/30332—Conically- or frustoconically-shaped protrusion and recess
- A61F2002/30337—Inverted concave conical connections, e.g. for opposing disconnection
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3401—Acetabular cups with radial apertures, e.g. radial bores for receiving fixation screws
- A61F2002/3403—Polar aperture
-
- 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
- A61F2/32—Joints for the hip
- A61F2/34—Acetabular cups
- A61F2002/3412—Acetabular cups with pins or protrusions, e.g. non-sharp pins or protrusions projecting from a shell surface
- A61F2002/3414—Polar protrusion, e.g. for centering two concentric shells
-
- 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
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0033—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit
Definitions
- the invention describes a hip joint prosthesis with a socket insert and a hip socket, wherein on the pole of the socket insert a conical guide pin and the base of the acetabulum a guide hole are arranged and is in the installed state of the socket insert in the acetabulum of the guide pin in the guide bore.
- FIG. 1 shows a hip prosthesis consisting of shaft 1, ball head 2, hip socket 3 and socket insert 4.
- FIGS. 2a, 2b a cylindrical (see FIGS. 2a, 2b) or conical guide pins (see FIGS. 2c, 2d) is arranged on the pole of the respective socket insert 3.
- the guide pin is inserted when inserting the socket insert 3 in a correspondingly shaped guide hole 6 at the bottom of the acetabular cup 4 and thus prevents tilting of the socket insert 3.
- Figures 2a, 2b, 2c, 2d show a cup insert 3 with cylindrical (top) and conical (bottom) Guide pin 5 on the back pole.
- the gap width s determines how exactly the pan insert
- the guide length of the guide pin 5 is usually extremely low - especially at the moment of insertion of the socket insert when the located within the guide bore length of the guide pin still low, the need for leadership for a functional insertion of the socket insert however, it is highest.
- the guide length increases with increasing insertion of the socket insert into the acetabular cup, with increasing improvement of the guiding effect.
- it also takes the leadership effect of the conical clamping connection between pan insert and Acetabular cup, which increasingly reduces the need for guidance through the guide pin.
- the need for guidance and guidance accuracy of the guide pin are thus in inverse proportion.
- Guide gap s be realized. Furthermore, a necessary minimum size of the guide gap is given due to the diameter tolerances of the guide pin and guide bore. However, as the guide gap increases, the guide accuracy between the guide pin and the pilot hole decreases, and the risk of tilting of the socket insert in the acetabulum increases.
- the invention has the object of providing a hip joint prosthesis, a socket insert and a hip socket according to the preambles of claims 1, 6 and 7 educate so that a functional insertion of the socket insert in the acetabulum with high guidance accuracy is made possible even under difficult conditions.
- the guide pin is formed in an inwardly tapering manner, the diameter of the guide pin being smaller at the end facing the pole than at the end of the guide pin facing away from the pole.
- an inventive embodiment is characterized in that the guide bore is formed inversely-tapered, wherein at the end facing the interior or base of the acetabular end of the diameter of the guide bore is smaller than at the end remote from the interior end of the guide bore.
- the guide bore may also consist of preferably two sections, wherein in the first section, the guide bore is cylindrical and tapered in the second section tapered.
- the first section is arranged on the end of the guide bore facing the interior of the acetabular cup.
- a cup insert according to the invention for a hip joint prosthesis with a conical guide pin arranged at the pole for insertion into a corresponding guide bore in a hip socket is characterized in that the guide pin is formed in an inverted-tapered manner, the diameter of the guide pin being smaller at the end facing the pole as at the end remote from the pole of the guide pin.
- the inventive embodiments of the socket insert for a hip joint prosthesis which is provided with a guide pin, which is designed inversely conically tapered, a tilted insertion of the socket insert is avoided in the acetabulum, since already at the beginning of the insertion process a guide in the insertion movement of the Pfannenmonyes done.
- FIGS. 3a, 3b show a socket insert 3 with an inverse-conical pin 5 on the rear pole 7. The smallest gap width s leads to a high guiding effect with a small risk of jamming.
- FIG. 4 shows a socket insert with cylindrical pin 5 and rounded edges 9, tolerance analysis with respect to the largest and smallest edge radius (dashed line) shows collision with hip socket in the area of the through hole at the largest radius.
- FIG. 5 shows a cup insert with inverted conical pin and rounded edges 9, tolerance analysis with respect to the largest and smallest edge radius (dashed line) has no collision with the acetabular cup.
- Pins and guide pins are two terms that, however, refer to the same item.
- the pole 7 remote from the end portion 10 of the guide pin 5 or pin is rounded, i. the inversely-conically extending guide pin 5 has a rounded end region 10 (see FIGS. 4 and 5). As a result, inter alia, the insertion into the guide bore 6 is facilitated.
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)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020117021123A KR101697943B1 (ko) | 2009-02-11 | 2010-02-04 | 역-원추형 가이드 핀을 갖는 세라믹 볼 소켓 인서트 |
EP10702491.1A EP2395946B1 (de) | 2009-02-11 | 2010-02-04 | Keramischer pfanneneinsatz mit invers-konischem führungszapfen |
CN201080007383.5A CN102341064B (zh) | 2009-02-11 | 2010-02-04 | 具有倒圆锥形导销的陶瓷窝插入件 |
US13/147,616 US20120101590A1 (en) | 2009-02-11 | 2010-02-04 | Ceramic ball socket insert having inverse-conical guide pins |
JP2011548686A JP5766615B2 (ja) | 2009-02-11 | 2010-02-04 | 逆・円錐形の案内ピンを有するセラミック製のカップインサート |
US15/612,847 US20170281433A1 (en) | 2009-02-11 | 2017-06-02 | Ceramic ball socket insert having an inverse-conical guide pins |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009000771 | 2009-02-11 | ||
DE102009000771.7 | 2009-02-11 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/147,616 A-371-Of-International US20120101590A1 (en) | 2009-02-11 | 2010-02-04 | Ceramic ball socket insert having inverse-conical guide pins |
US15/612,847 Continuation US20170281433A1 (en) | 2009-02-11 | 2017-06-02 | Ceramic ball socket insert having an inverse-conical guide pins |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010091995A1 true WO2010091995A1 (de) | 2010-08-19 |
Family
ID=41819673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/051371 WO2010091995A1 (de) | 2009-02-11 | 2010-02-04 | Keramischer pfanneneinsatz mit invers-konischem führungszapfen |
Country Status (7)
Country | Link |
---|---|
US (2) | US20120101590A1 (de) |
EP (1) | EP2395946B1 (de) |
JP (1) | JP5766615B2 (de) |
KR (1) | KR101697943B1 (de) |
CN (1) | CN102341064B (de) |
DE (1) | DE102010001600A1 (de) |
WO (1) | WO2010091995A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8123815B2 (en) | 2008-11-24 | 2012-02-28 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
US8308810B2 (en) | 2009-07-14 | 2012-11-13 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
FR2950525B1 (fr) * | 2009-09-28 | 2013-05-10 | Thomas Gradel | Cotyle prothetique de hanche a fixation externe |
ITUD20120179A1 (it) * | 2012-10-24 | 2014-04-25 | Limacorporate Spa | Protesi acetabolare e relativo procedimento di fabbricazione e di assemblaggio |
ITUD20130074A1 (it) * | 2013-05-24 | 2014-11-25 | Limacorporate Spa | Protesi acetabolare |
USD794503S1 (en) * | 2016-03-26 | 2017-08-15 | Kamal Siegel | Figurine neck joint |
EP3398558A1 (de) * | 2017-05-02 | 2018-11-07 | Carlo Andretta | Körperperfusionssystem |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2661605A1 (fr) * | 1990-05-07 | 1991-11-08 | Bouvet Jean Claude | Cotyle pour prothese rotulienne notamment pour prothese du type coxo-femoral. |
EP0482320A1 (de) * | 1990-10-20 | 1992-04-29 | Howmedica GmbH | Schalenelement zur Aufnahme einer Gelenkendoprothese |
WO2000007526A1 (de) * | 1998-08-07 | 2000-02-17 | Eska Implants Gmbh & Co. | Kugelkopfgelenk für ein künstliches hüftgelenk |
EP1297800A2 (de) * | 2001-09-20 | 2003-04-02 | Société Civile Smile-Fit | Hüftgelenkpfannenprothese |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5326368A (en) * | 1992-09-22 | 1994-07-05 | Howmedica, Inc. | Modular acetabular cup |
DE59309928D1 (de) * | 1993-08-30 | 2000-02-17 | Sulzer Orthopaedie Ag Baar | Element zur vorübergehenden Erhöhung der Steifigkeit einer orthopädischen Prothese |
US5571198A (en) * | 1994-01-21 | 1996-11-05 | David A. Drucker | Acetabular shell with selectively available bone screw holds |
US6152962A (en) * | 1998-12-30 | 2000-11-28 | Depuy Orthopaedics, Inc. | Acetabular cup with plug for screw holes |
CZ2002104A3 (cs) * | 1999-07-15 | 2002-06-12 | Ceramtec Ag Innovative Ceramic Engineering | Sendvičová vloľka z keramiky pro umělý kyčelní kloub |
CN2386789Y (zh) * | 1999-07-22 | 2000-07-12 | 马忠泰 | 非骨水泥金属髋臼 |
US6503281B1 (en) * | 2000-08-25 | 2003-01-07 | Thomas H. Mallory | Total hip replacement |
US20030049328A1 (en) * | 2001-03-02 | 2003-03-13 | Dalal Paresh S. | Porous beta-tricalcium phosphate granules and methods for producing same |
US7267693B1 (en) * | 2003-12-08 | 2007-09-11 | Orthopedic Source, Inc. | Locking ring for liner of acetabular cup |
US20070203583A1 (en) * | 2006-02-28 | 2007-08-30 | Biomet Manufacturing Corp. | Method and apparatus for aligning a taper lock connection |
US8123815B2 (en) * | 2008-11-24 | 2012-02-28 | Biomet Manufacturing Corp. | Multiple bearing acetabular prosthesis |
-
2010
- 2010-02-04 WO PCT/EP2010/051371 patent/WO2010091995A1/de active Application Filing
- 2010-02-04 JP JP2011548686A patent/JP5766615B2/ja active Active
- 2010-02-04 KR KR1020117021123A patent/KR101697943B1/ko active IP Right Grant
- 2010-02-04 EP EP10702491.1A patent/EP2395946B1/de active Active
- 2010-02-04 DE DE102010001600A patent/DE102010001600A1/de not_active Withdrawn
- 2010-02-04 US US13/147,616 patent/US20120101590A1/en not_active Abandoned
- 2010-02-04 CN CN201080007383.5A patent/CN102341064B/zh active Active
-
2017
- 2017-06-02 US US15/612,847 patent/US20170281433A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2661605A1 (fr) * | 1990-05-07 | 1991-11-08 | Bouvet Jean Claude | Cotyle pour prothese rotulienne notamment pour prothese du type coxo-femoral. |
EP0482320A1 (de) * | 1990-10-20 | 1992-04-29 | Howmedica GmbH | Schalenelement zur Aufnahme einer Gelenkendoprothese |
WO2000007526A1 (de) * | 1998-08-07 | 2000-02-17 | Eska Implants Gmbh & Co. | Kugelkopfgelenk für ein künstliches hüftgelenk |
EP1297800A2 (de) * | 2001-09-20 | 2003-04-02 | Société Civile Smile-Fit | Hüftgelenkpfannenprothese |
Also Published As
Publication number | Publication date |
---|---|
KR20120013934A (ko) | 2012-02-15 |
CN102341064B (zh) | 2014-09-17 |
JP5766615B2 (ja) | 2015-08-19 |
EP2395946A1 (de) | 2011-12-21 |
CN102341064A (zh) | 2012-02-01 |
DE102010001600A1 (de) | 2010-08-12 |
JP2012517250A (ja) | 2012-08-02 |
US20120101590A1 (en) | 2012-04-26 |
KR101697943B1 (ko) | 2017-01-19 |
US20170281433A1 (en) | 2017-10-05 |
EP2395946B1 (de) | 2016-08-24 |
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