DE2750648A1 - Shoulder prosthesis ball joint - has ball portion retained inside socket members by locking pieces with bayonet joint - Google Patents

Shoulder prosthesis ball joint - has ball portion retained inside socket members by locking pieces with bayonet joint

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Publication number
DE2750648A1
DE2750648A1 DE19772750648 DE2750648A DE2750648A1 DE 2750648 A1 DE2750648 A1 DE 2750648A1 DE 19772750648 DE19772750648 DE 19772750648 DE 2750648 A DE2750648 A DE 2750648A DE 2750648 A1 DE2750648 A1 DE 2750648A1
Authority
DE
Germany
Prior art keywords
shoulder joint
total shoulder
retaining ring
pan
endoprosthesis according
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.)
Withdrawn
Application number
DE19772750648
Other languages
German (de)
Inventor
Hans-Juergen Dr Gronert
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.)
Mecron Medizinische Produkte GmbH
Original Assignee
Mecron Medizinische Produkte 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 Mecron Medizinische Produkte GmbH filed Critical Mecron Medizinische Produkte GmbH
Priority to DE19772750648 priority Critical patent/DE2750648A1/en
Publication of DE2750648A1 publication Critical patent/DE2750648A1/en
Withdrawn legal-status Critical Current

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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
    • A61F2/40—Joints for shoulders
    • 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
    • A61F2/40—Joints for shoulders
    • A61F2/4081—Glenoid components, e.g. 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
    • 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
    • A61F2002/30426—Bayonet coupling
    • 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
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30495—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking ring
    • 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
    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/305—Snap connection
    • 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
    • A61F2002/30565—Special structural features of bone or joint prostheses not otherwise provided for having spring elements
    • A61F2002/30571—Leaf springs
    • 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
    • A61F2002/30621—Features concerning the anatomical functioning or articulation of the prosthetic joint
    • A61F2002/30649—Ball-and-socket joints
    • A61F2002/30662—Ball-and-socket joints with rotation-limiting means
    • 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

Abstract

The ball joint for a shoulder prosthesis has a spherical ended member (3) which fits into a block (6) with a spherical recess, and a cover piece (7) of polyethylene. These two parts are secured between a top member (4) and lower member (1) secured by a bayonet joint (8, 9). The top member has four lugs (8) which project outwards and the bottom member has four ribs (9) which project inwards. The lugs have a locking face which slopes downwards, to assist the locking action. Between the lugs and ribs are four bent stays (11).

Description

Schultergelenk-Totalendoprothese It Total shoulder joint prosthesis It

Die Erfindung bezieht sich auf eine Schultergelenk-I'otalendoprothese, bestehend aus einer am Schulterblatt befestigten Pfanne, einem am Oberarmknochen befestigten, in der Pfanne ruhenden Kugelkopf und einem den Kugelkopf umfassenden, an der Pfanne befestigten Haltering.The invention relates to a total shoulder joint prosthesis, consisting of a pan attached to the shoulder blade and one to the humerus fixed ball head resting in the socket and a ball head encompassing the retaining ring attached to the pan.

Der Erfindung liegt die Aufgabe zugrunde, eine einfach montierbare, haltbare Prothese dieser Art zu schaffen.The invention is based on the object of an easily assembled, to create durable prosthesis of this type.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Haltering über einen Verschluß nach Art eines Bajonettverschlusses mit der Pfanne verbunden ist.This object is achieved according to the invention in that the retaining ring connected to the pan via a lock in the manner of a bayonet lock is.

Eine solche Prothese kann notfalls auch wieder demontiert werden.Such a prosthesis can also be dismantled again if necessary.

Weitere Einzelheiten der Erfindung ergeben sich aus der Zeichnung. Darin zeigen: Fig. 1 einen Schnitt durch eine Schultergelenk-Totalendoprothese; Fig. 2 in verkleinertem Maßstab eine Einzelheit derselben, nämlich den Ring im Schnitt; Fig. 3 eine Draufsicht auf den Ring; Fig. 4 in verkleinertem Maßstab eine Einzelheit der in Fig.1 dargestellten Endoprothese, nämlich die Pfanne im Schnitt; Fig. 5 eine Draufsicht auf die Pfanne; Fig. 6 in verkleinertem Maßstab eine Ansicht des Schaftes und Fig. 7 eine Draufsicht dazu.Further details of the invention emerge from the drawing. 1 shows a section through a total shoulder joint endoprosthesis; 2 shows, on a reduced scale, a detail thereof, namely the ring in section; Fig. 3 is a plan view of the ring; 4 shows a detail on a reduced scale the endoprosthesis shown in Figure 1, namely the socket in section; Fig. Figure 5 is a plan view of the pan; Fig. 6 is a reduced scale view of the Shank and FIG. 7 is a plan view of this.

Die Prothese besteht aus einer am Schulterblatt befestigten Pfanne 1, einem Kugelkopf 2, der über einen Schaft 3 am Oberarm befestigt ist, einem Haltering 4 und einem Federring 5. Pfanne 1 und Haltering 4 besitzen Gleitschalen 6 und 7 aus Polyäthylen und werden über Segmentnasen 8 und 9 zusammengehalten.The prosthesis consists of a socket attached to the shoulder blade 1, a ball head 2, which is attached to the upper arm via a shaft 3, a retaining ring 4 and a spring ring 5. The socket 1 and retaining ring 4 have sliding shells 6 and 7 Made of polyethylene and are held together by segment noses 8 and 9.

Beim Zusammenbau wird der Haltering 4 in die Pfanne 1 geschoben, wobei seine Segmentnasen 8 zunächst zwischen den Segmentnasen 9 vorbeigeführt werden, bis der Haltering 4 auf dem Grund 10 der Pfanne 1 aufsitzt. Dann wird der Haltering 4 gedreht, bis die Segmentnasen 8 hinter den Segmentnasen 9 liegen. Der Federring 5 besitzt zwei oder vier Stege 11, die gekröpft sind und beim Zusammendrehen über den Rand 12 der Pfanne 1 gleiten, bis sie in Nuten 13 einrasten und dadurch den Haltering 4, in dessen Nuten 14 die Mittelteile 15 der Stege 11 ruhen, gegenüber der Pfanne 1 arretieren.When assembling the retaining ring 4 is pushed into the pan 1, wherein its segment lugs 8 are first passed between the segment lugs 9, until the retaining ring 4 rests on the base 10 of the pan 1. Then the retaining ring 4 rotated until the segment lugs 8 are behind the segment lugs 9. The spring ring 5 has two or four webs 11, which are cranked and when twisted over slide the edge 12 of the pan 1 until they snap into grooves 13 and thereby the Retaining ring 4, in the grooves 14 of which the central parts 15 of the webs 11 rest, opposite the pan 1 in place.

Bei einer eventuell notwendig - werdenden Demontage werden die Stege 11 entsprechend angehoben.If dismantling becomes necessary, the webs 11 raised accordingly.

Der im übrigen abgeflachte Schaft 3 ist in dem Bereich, in dem er dem Haltering 4 anliegt, rund. Der größte Verkippungswinkel des Schaftes ist somit nach allen Richtungen hin der gleiche.The otherwise flattened shaft 3 is in the area in which it the retaining ring 4 rests, around. The largest tilt angle of the shaft is thus the same in all directions.

Der Mittelpunkt 16 des Kugelkopfes sitzt außerhalb der Pfanne 1. Auf diese Weise wird erreicht, daß die Segmentnasen 9 höher und damit stabiler sein können als dann, wenn der Mittelpunkt 16 tiefer (in bezug auf Fig. 1) läge.The center point 16 of the ball head sits outside the pan 1. On in this way it is achieved that the segment lugs 9 higher and with it can be more stable than when the center point 16 is deeper (with reference to Fig. 1) would be.

Die Nasen 9 sind nach außen abgeschrägt, dies deshalb, damit die Stege 11 einen vertretbaren Hebelarm zwischen dem Knickpunkt 17 und dem Auflagepunkt 18 besitzen.The noses 9 are bevelled outwards, so that the webs 11 a reasonable lever arm between the inflection point 17 and the support point 18 own.

Die Nuten 13 und 14 liegen in der Mitte zwischen den Segmentnasen. Dadurch wird erreicht, daß der Haltering 4 rechts wie links herum in seine Sollstellung gedreht werden kann.The grooves 13 and 14 are in the middle between the segment lugs. This ensures that the retaining ring 4 is in its desired position to the right and left can be rotated.

Der Verkippungswinkel des Schaftes 3 beträgt mindestens 750 nach allen Seiten. Die Forderung, einen möglichst großen Verkippungswinkel vorzusehen, erfüllt das erfindungsgemässe Gelenk somit.The tilt angle of the shaft 3 is at least 750 after all Pages. The requirement to provide the largest possible tilt angle is met the joint according to the invention thus.

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Claims (26)

Ansprüche : 1. Schultergelenk-Totalendoprothese, bestehend aus einer am Schulterblatt befestigten Pfanne, einem am Oberarmknochen befestigten, in der Pfanne ruhenden Kugelkopf und einem den Kugelkopf umfassenden, an der Pfanne befestigten Haltering, dadurch g e k e n n z e i c h n e t , daß der Haltering (Z+) über einen Verschluß nach Art eines Bajonettverschlusses (8,9) mit der Pfanne (1) verbunden ist. Claims: 1. Total shoulder joint prosthesis, consisting of one A socket attached to the shoulder blade, one attached to the humerus, in the Pan resting ball head and a ball head encompassing, attached to the pan Retaining ring, characterized in that the retaining ring (Z +) has a Closure in the manner of a bayonet catch (8, 9) connected to the pan (1) is. 2. Schultergelenk-Totalendoprothese nach Anspruch 1, dadurch g e k e n n z e i c h n e t , daß der Haltering (4) - vorzugsweise vier - nach außen ragende Segientnasen (8) und die Pfanne (1) nach innen ragende Segmentnasen (9) besitzt.2. Total shoulder joint endoprosthesis according to claim 1, characterized in that g e k It is noted that the retaining ring (4) - preferably four - protruding outward Segient noses (8) and the socket (1) has segment noses (9) protruding inward. 3. Schultergelenk-Totalendoprothese nach Anspruch 2, dadurch g e k e n n z e i c h n e t , daß die Segmentnasen (9, der Pfanne (1), vorzugsweise nach außen abgeschrägt, an einem den Haltering (4) im zusammengefügte Zustand umgebenden Rand (12j sitzen.3. Total shoulder joint endoprosthesis according to claim 2, characterized in that g e k It is noted that the segment lugs (9, the pan (1), preferably after beveled on the outside, on one surrounding the retaining ring (4) in the assembled state Rand (12year old sitting. 4. Schultergelenk-Schalendoprothese nach Anspruch 2 oder 3, dadurch g e k e n n z e i c h n e t , daß die Anlageflachen der Segmentnesen (8, 9) in einer Ebene liegen. 4. Shoulder joint shell endoprosthesis according to claim 2 or 3, characterized it is noted that the contact surfaces of the segment recesses (8, 9) in one Lie level. 5. Schultergelenk-Totalendeprothese nach einem oder mehreren der Anspruche 2 - 5 Dadurch g e k e n n -z e i c h n e t , das die Segmentnasen (9) der Pfanne (1) @m zusammengesetzten austand an der äußeren Mantelflache des Halteringes (@) @i Spiel anliegen.5. Total shoulder joint prosthesis according to one or more of the claims 2 - 5 This means that the segment lugs (9) of the pan are not shown (1) @m composite position on the outer surface of the retaining ring (@) @i game concern. 6. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 2 - dadurch g e k e n n z e i c h n e t , daß die den Anlageflachen gegenüberliegenden Flächen der Segmentnasen (8, des Halteringes (4) in der Ebene der der Pfanne (1) zugewandten Stirnfläche des Halteringes (4) liegen.6. Total shoulder joint endoprosthesis according to one or more of the claims 2 - by noting that the surfaces opposite the contact surfaces Surfaces of the segment lugs (8, of the retaining ring (4) in the plane of the pan (1) facing end face of the retaining ring (4). 7. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 2 - @, dadurch g e k e n n z e i c h n e t , daß die Abstände in p-ripherischer Richtung zwischen den Segmentnasen (8, 9) gleich der Länge der Segmentnasen (8, 9) in peripherischer Richtung plus Spiel sind, wobei vorzugsweise die Beim Einsetzen des halteringes (4) zuerst aneinander vorbeilaufenden Kante (20) der Nasen (8, 9) abgeschrägt sind.7. Total shoulder joint endoprosthesis according to one or more of the claims 2 - @, by noting that the distances are in p-peripheral Direction between the segment lugs (8, 9) equal to the length of the segment lugs (8, 9) in the peripheral direction plus play, preferably the when inserting of the retaining ring (4) first edge (20) of the lugs (8, 9) running past each other are bevelled. 8. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 7, dadurch g e k e n n z e i c h n e t daß Elemente (5,11) vorgesehen sind, welche den Haltering (4) in der verriegelten Lage vorzugsweise lösbar halten.8. Total shoulder joint endoprosthesis according to one or more of the claims 1 - 7, therefore not indicated that elements (5,11) are provided are, which hold the retaining ring (4) in the locked position, preferably releasably. 9. Schultergelenk-Totalendoprothese nach Anspruch 8, dadurch g e k e n n z e i c h n e t , daß sich zwischen Haltering (4) und Pfanne (1) ein Flachring (5) mit mindestens einem radial abragenden Steg (11), vorzugsweise zwei diametral einander gegenüberliegenden Stegen,befindet und daß sich in dem Haltering (4) und in der Pfanne (1) Ausnehmungen (13,14) befinden, in die der (die) Steine) (11) zwecks Verriegelung des Halteringes (4) gegenüber der Pfanne (1) greifen.9. Total shoulder joint endoprosthesis according to claim 8, characterized in that g e k It is noted that there is a flat ring between the retaining ring (4) and the pan (1) (5) with at least one radially protruding web (11), preferably two diametrically opposing webs, and that is in the retaining ring (4) and in the pan (1) recesses (13,14) are in which the (the) stones) (11) for the purpose Grasp the locking of the retaining ring (4) opposite the pan (1). 10. Schultergelenk-Totalendoprothese nach Anspruch 9, dadurch g e k e n n z e i c h n e t , daß die Ausnehmungen Nuten (13,14) sind.10. Total shoulder joint endoprosthesis according to claim 9, characterized g e it is not indicated that the recesses are grooves (13, 14). 11. Schultergelenk-Totalendoprothese nach Anspruch 9 oder 10, dadurch g e k e n n z e i c h n e t , daß sich die Ausnehmungen (13,14) in der Mitte zwischen den Segmentnasen (8,9) befinden.11. Total shoulder joint endoprosthesis according to claim 9 or 10, characterized it is not indicated that the recesses (13, 14) are in the middle between the segment lugs (8,9) are located. 12. Schuitergelenk-Totalendoprothese nach Anspruch 10 und 11, dadurch g e k e n n z e i c h n e t , daß in dem Rand (12) der Pfanne (1) mindestens eine senkrecht zu seiner Stirnfläche einspringende Nut (13) vorgesehen ist.12. Schuiter joint total endoprosthesis according to claim 10 and 11, characterized it is noted that in the edge (12) of the pan (1) at least one Groove (13) reentering perpendicular to its end face is provided. 13. Schultergelenk-Totalendoprothese nach Anspruch 10 und 11, dadurch g e k e n n z e i c h n e t , daß in der Mantelfläche des Ringes (4) mindestens eine Nut (14) vorgesehen ist.13. Total shoulder joint endoprosthesis according to claim 10 and 11, characterized g e k e n n n z e i c h n e t that in the outer surface of the ring (4) at least a groove (14) is provided. 14. Schultergelenk-Totalendoprothese nach einem oder mehreren der Anspruche 9 - 13, dadurch g e k e n n z e i c h n e t daß der (die) Steg(e) (11) federnd ausgebildet ist (sind).14. Total shoulder joint prosthesis according to one or more of the Claims 9 - 13, characterized in that the web (s) (11) is resilient (are). 15. Schultergelenk-Totalendoprothese nach Anspruch 14, dadurch gek e n n z e i c h ne t , daß der (die) Steg(e) (11) bleibend nachverformbar ist (sind).15. Total shoulder joint endoprosthesis according to claim 14, characterized in that it is k It is noted that the web (s) (11) is (are) permanently post-deformable. 16. Schultergelenk-Totalendoprotese nach Anspruch 9, dadurch g e k e n n z e i c h n e t , daß der (die) Steg(e) (11) gekröpft ist (sind).16. Total shoulder joint endoprotesis according to claim 9, characterized in that g e k It is noted that the web (s) (11) is (are) cranked. 17. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 9 - 16, dadurch g e k e n n -z e i c h ne t , daß der Haltering (4) gegen einen Federwiderstand, ausgeübt durch die Stege (11), auf den Grund der Pfanne (1) drückbar ist.17. Total shoulder joint prosthesis according to one or more of the Claims 9-16, characterized in that the retaining ring (4) against a spring resistance, exerted by the webs (11), on the base of the pan (1) is pressable. 18. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 9 - 16, dadurch g e k e n n -z e i c h n e t , daß der Flachring (5) an dem Haltering (4) befestigt ist.18. Total shoulder joint prosthesis according to one or more of the Claims 9-16, characterized in that the flat ring (5) is attached the retaining ring (4) is attached. 19. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 18, dadurch g e k e n n -z e i c h ne t , daß der Mittelpunkt (16) des Kugelkopfes (2) im zusammengefügten Zustand innerhalb der den Kugelkopf (2) aufnehmenden Ausnehmung des Halteringes (4,7) liegt.19. Total shoulder joint prosthesis according to one or more of the Claims 1 - 18, characterized in that the center point (16) of the ball head (2) in the assembled state within the ball head (2) receiving recess of the retaining ring (4,7). 20. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 19, dadurch g e k e n n -z e i c h n e t , daß der der Pfanne (1) abgewandte Randbereich (15) des Ringes (4) den Verkippungswinkel des von dem Kugelkopf (2) abragenden Schaftes (3) begrenzt und daß dieser Verkippungswinkel größer als 750 ist.20. Total shoulder joint replacement according to one or more of the Claims 1 - 19, characterized in that the pan (1) remote edge area (15) of the ring (4) the tilt angle of the ball head (2) protruding shaft (3) and that this tilt angle is greater than 750 is. 21. Schultergelenk-Totalendoprothese nach Anspruch 20, dadurch g e k e n n z e i c h n e t , daß dieser Randbereich (15) so weit vom Zentrum (16) der Prothese entfernt ist, daß bei Anlage des Schaftes (3) an diesem Randbereich (15) ein vertretbares Hebelverhältnis gegeben ist.21. Total shoulder joint endoprosthesis according to claim 20, characterized in that it is not indicated that this edge region (15) is so far from the center (16) of the Prosthesis is removed that when the shaft (3) rests on this edge area (15) there is an acceptable leverage ratio. 22. Schultergelenk-Totalendoprothese nach Anspruch 20 oder 21, dadurch g e k e n n z e i c h n e t , daß der im übrigen abgeflachte Schaft (3) in dem Bereich, der sich an den Randbereich (15) anlegt, rund ist.22. Total shoulder joint endoprosthesis according to claim 20 or 21, characterized it is noted that the otherwise flattened shaft (3) in the area which rests against the edge area (15) is round. 23. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 22, dadurch g e k e n n -z e i c h n e t , daß der Schaft (3) im Abstand von dem Kugelkopf (2) abgewinkelt ist, wobei der Winkel parallel zu den Abflachungen des Schaftes (3) liegt.23. Total shoulder joint prosthesis according to one or more of the Claims 1 - 22, characterized in that the shaft (3) is spaced apart is angled from the ball head (2), the angle being parallel to the flats of the shaft (3) lies. 24. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 23, dadurch g e k e n n -z e i c h n e t , daß der Schaft (3) im Bereich seines einzuzementierenden Teils leicht konisch und glatt ist.24. Total shoulder joint prosthesis according to one or more of the Claims 1 - 23, characterized in that the shaft (3) is in the area its part to be cemented is slightly conical and smooth. 25. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 24, dadurch g e k e n n -z e i c h n e t , daß bei ansteigenden Biegekräften der Schaft (3) seine Form verändert, bevor das Gelenk zerstört wird.25. Total shoulder joint replacement according to one or more of the Claims 1 - 24, characterized in that with increasing bending forces the shaft (3) changes its shape before the joint is destroyed. 26. Schultergelenk-Totalendoprothese nach einem oder mehreren der Ansprüche 1 - 25, dadurch g e k e n n -z e i c h n e t , daß die Pfanne (1) außen Marken (19) aufweist, auf die beim Zusammenstecken die Stege (11) ausgerichtet werden.26. Total shoulder joint prosthesis according to one or more of the Claims 1 - 25, characterized in that the pan (1) is on the outside Has marks (19) on which the webs (11) are aligned when they are plugged together.
DE19772750648 1977-11-10 1977-11-10 Shoulder prosthesis ball joint - has ball portion retained inside socket members by locking pieces with bayonet joint Withdrawn DE2750648A1 (en)

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DE19772750648 DE2750648A1 (en) 1977-11-10 1977-11-10 Shoulder prosthesis ball joint - has ball portion retained inside socket members by locking pieces with bayonet joint

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Application Number Priority Date Filing Date Title
DE19772750648 DE2750648A1 (en) 1977-11-10 1977-11-10 Shoulder prosthesis ball joint - has ball portion retained inside socket members by locking pieces with bayonet joint

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DE2750648A1 true DE2750648A1 (en) 1979-05-17

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DE19772750648 Withdrawn DE2750648A1 (en) 1977-11-10 1977-11-10 Shoulder prosthesis ball joint - has ball portion retained inside socket members by locking pieces with bayonet joint

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822369A (en) * 1986-06-10 1989-04-18 Gerard Oueveau Bone joint prosthesis
WO2000023013A1 (en) * 1998-10-15 2000-04-27 Synthes Ag Chur Telescopic vertebral prosthesis
US7918876B2 (en) 2003-03-24 2011-04-05 Theken Spine, Llc Spinal implant adjustment device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822369A (en) * 1986-06-10 1989-04-18 Gerard Oueveau Bone joint prosthesis
WO2000023013A1 (en) * 1998-10-15 2000-04-27 Synthes Ag Chur Telescopic vertebral prosthesis
US6524341B2 (en) 1998-10-15 2003-02-25 Synthes (Usa) Telescopic vertebral prosthesis
US7918876B2 (en) 2003-03-24 2011-04-05 Theken Spine, Llc Spinal implant adjustment device

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