DE4445892A1 - Endoprosthesis with conical insert connection - Google Patents

Endoprosthesis with conical insert connection

Info

Publication number
DE4445892A1
DE4445892A1 DE4445892A DE4445892A DE4445892A1 DE 4445892 A1 DE4445892 A1 DE 4445892A1 DE 4445892 A DE4445892 A DE 4445892A DE 4445892 A DE4445892 A DE 4445892A DE 4445892 A1 DE4445892 A1 DE 4445892A1
Authority
DE
Germany
Prior art keywords
conical
ball head
pin
locking screw
endoprosthesis
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Withdrawn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
DE4445892A
Other languages
German (de)
Inventor
Hartmut Kaelberer
Hans-Georg Pfaff
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.)
Cerasiv GmbH Innovatives Keramik Engineering
Original Assignee
Cerasiv GmbH Innovatives Keramik Engineering
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 Cerasiv GmbH Innovatives Keramik Engineering filed Critical Cerasiv GmbH Innovatives Keramik Engineering
Priority to DE4445892A priority Critical patent/DE4445892A1/en
Publication of DE4445892A1 publication Critical patent/DE4445892A1/en
Withdrawn legal-status Critical Current

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
    • A61F2/36—Femoral heads ; Femoral endoprostheses
    • A61F2/3609—Femoral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic femoral shafts
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • A—HUMAN NECESSITIES
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    • 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
    • A61F2/4603—Special 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
    • A—HUMAN NECESSITIES
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    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30138—Convex polygonal shapes
    • A61F2002/30143—Convex polygonal shapes hexagonal
    • A—HUMAN NECESSITIES
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    • 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
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    • 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
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    • 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
    • A61F2002/30339—Double cones, i.e. connecting element having two conical connections, one at each of its opposite ends
    • A—HUMAN NECESSITIES
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    • 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
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    • 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
    • A61F2002/30405—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by screwing complementary threads machined on the parts themselves
    • A—HUMAN NECESSITIES
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    • 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
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    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30474—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements using an intermediate sleeve interposed between both prosthetic parts to be coupled
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    • A61F2/02—Prostheses implantable into the body
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    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
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    • A61F2002/30476—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism
    • A61F2002/30492—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a locking pin
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    • 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
    • A61F2002/30507—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements locked by an additional locking mechanism using a threaded locking member, e.g. a locking screw or a set screw
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    • 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
    • A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A61F2002/4029—Necks
    • 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
    • A61F2/4014—Humeral heads or necks; Connections of endoprosthetic heads or necks to endoprosthetic humeral shafts
    • A61F2002/4037—Connections of heads to necks
    • 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
    • A61F2002/4681—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor by applying mechanical shocks, e.g. by hammering
    • 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
    • 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
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0063—Three-dimensional shapes
    • A61F2230/0067—Three-dimensional shapes conical
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00023—Titanium or titanium-based alloys, e.g. Ti-Ni alloys
    • 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
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00179—Ceramics or ceramic-like structures

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

The double conical adaptor piece (9) has a conical part at either end. On one end is fixed a ceramic ball head (1) which has a conical bore into which one conical pin (4) of the adaptor piece extends. The ball head is fixed into the adaptor piece by hitting it with a suitable instrument. There is an axial bore (5) through the middle of the adaptor piece, with an internal thread in which a securing screw (2) is located which has a truncated conical point (3). In the conical pin, two projecting pins (6a,6b) are arranged vertically to the longitudinal axis (8) of the conical pin and have one end touching the point of the securing screw and the other projecting into a slot (7) running circumferentially in the conical bore of the ceramic head.

Description

Die Erfindung betrifft eine Endoprothese nach dem Oberbegriff des Anspruchs 1 bzw. 5.The invention relates to an endoprosthesis according to the preamble of claim 1 or 5.

Modular aufgebaute Prothesensysteme werden üblicherweise durch konische Steckverbindungen miteinander verbunden. Dies gilt insbesondere für die Verbindung von Kugelköpfen an Prothesenstielen, wie sie für die Hüft-, Hand- und Schulter-Endoprothetik üblich sind. Dabei werden die Kugelköpfe erst während der Operation durch einen Schlag mit einem entsprechenden Einschlaginstrument auf dem Steckkonus fixiert.Modular prosthesis systems are usually conical Plug connections connected to each other. This applies in particular to the Connection of ball heads on prosthetic handles, as used for the hip, hand and shoulder arthroplasty are common. The ball heads are first during the operation by a blow with a corresponding one Impact instrument fixed on the plug cone.

In der EP-B1-0 474 015 ist eine modular aufgebaute Endoprothese mit einem Prothesenstiel und einem Kugelkopf gezeigt, wobei der Kugelkopf über eine konische Steckverbindung mit dem Prothesenstiel verbunden ist. Zur Verbesserung der Verbindung ist die konische Steckverbindung zusätzlich über eine Sicherungsschraube gesichert. Die Sicherungsschraube ist hierzu in eine Bohrung mit einem Innengewinde im Kugelkopf eingedreht und wirkt mit einer Ausnehmung im konischen Zapfen zusammen, derart, daß durch Eindrehen der Sicherungsschraube der konische Zapfen in den Kugelkopf eingedrückt wird. Hierzu weist die Sicherungsschraube eine kegel- oder kegelstumpfförmige Spitze auf.EP-B1-0 474 015 describes a modular endoprosthesis with one Prosthetic stem and a ball head shown, the ball head over a conical connector is connected to the prosthetic stem. For To improve the connection, the conical connector is also about secured a locking screw. The locking screw is in one Drilled hole with an internal thread in the ball head and works with one Recess in the conical pin together, such that by turning the Locking screw the conical pin is pressed into the ball head. For this purpose, the locking screw has a conical or frustoconical tip on.

Nachteilig an dieser Ausführungsform ist, daß sie nicht geeignet ist für keramische Kugelköpfe, da Bohrungen mit einem Gewinde in keramischen Kugelköpfen kaum herzustellen sind. Außerdem ist nachteilig, daß in der Gleitfläche eine Bohrung eingebracht ist. Hierdurch ist ein erhöhtes Verschleißrisiko gegeben.The disadvantage of this embodiment is that it is not suitable for ceramic ball heads, as holes with a thread in ceramic Ball heads can hardly be manufactured. It is also disadvantageous that in the Sliding surface is drilled. This is an increased Risk of wear.

Der Erfindung liegt die Aufgabe zugrunde, eine modular aufgebaute Endoprothese nach dem Oberbegriff des Anspruchs 1 derart zu verbessern, daß in der Gleitfläche des Kugelkopfes keine Bohrung angeordnet ist. Außerdem soll die Endoprothese für keramische Kugelköpfe geeignet sein. The invention has for its object a modular structure Endoprosthesis according to the preamble of claim 1 to improve such that no bore is arranged in the sliding surface of the ball head. In addition, should the endoprosthesis should be suitable for ceramic ball heads.  

Erfindungsgemäß wird diese Aufgabe in einer ersten Ausführungsform dadurch gelöst, daß im konischen Zapfen der Steckverbindung eine sich in Axialrichtung erstreckende Bohrung mit einem Innengewinde angeordnet ist, in die die Sicherungsschraube eingedreht ist, und daß im konischen Zapfen zumindest zwei die Wandung durchragende Stifte angeordnet sind, die mit ihrem einen Ende auf der Spitze der Sicherungsschraube aufliegen und mit ihrem anderen Ende in eine Ausnehmung in der konischen Bohrung des Kugelkopfes hineinragen.According to the invention, this object is achieved in a first embodiment solved that in the conical pin of the connector one in the axial direction extending bore is arranged with an internal thread into which the Locking screw is screwed in, and that at least in the conical pin two pins protruding through the wall are arranged, with their one End rest on the tip of the locking screw and with your other End in a recess in the conical bore of the ball head protrude into it.

Durch die erfindungsgemäße Sicherungsschraube in Axialrichtung des konischen Zapfens und die mit der Sicherungsschraube zusammenwirkenden Stifte ist die Gleitfläche des Kugelkopfes ohne Eingriffe herzustellen. Das Verschleißrisiko ist hierdurch wesentlich vermindert.By the locking screw according to the invention in the axial direction of the conical Pin and the pins cooperating with the locking screw is the Produce sliding surface of the ball head without any intervention. The risk of wear is thereby significantly reduced.

Beim Zusammenbau wird der Kugelkopf auf den konischen Zapfen gesetzt und mit einem Einschlaginstrument fixiert. Anschließend wird die Sicherungsschraube verdreht, wodurch die Stifte über die kegel- oder kegelstumpfförmige Spitze nach außen in die Ausnehmung in der konischen Bohrung des Kugelkopfes gedrückt werden.When assembling the ball head is placed on the conical pin and fixed with an impact instrument. Then the locking screw twisted, causing the pins to pass over the tapered or frustoconical tip pressed into the recess in the conical bore of the ball head on the outside will.

Vorteilhafterweise ist der Kugelkopf aus Keramik gefertigt. Erst die erfindungsgemäße Sicherungsmöglichkeit macht die Verwendung von keramischen Kugelköpfen möglich.The ball head is advantageously made of ceramic. First the Backup option according to the invention makes the use of ceramic ball heads possible.

Eine vorteilhafte Ausführungsform zeichnet sich dadurch aus, daß die zumindest zwei Stifte im wesentlichen senkrecht zur Längsachse des konischen Zapfens angeordnet sind und mit der Ausnehmung exzentrisch zusammenwirken, so daß durch Spreizung der Stifte der konische Zapfen in Längsrichtung in den Kugelkopf eingedrückt wird.An advantageous embodiment is characterized in that the at least two pins substantially perpendicular to the longitudinal axis of the conical pin are arranged and interact with the recess eccentrically, so that by spreading the pins of the conical pins in the longitudinal direction in the Ball head is pushed in.

In einer alternativen vorteilhaften Ausführungsform sind zumindest zwei Stifte im spitzen Winkel zur Axialrichtung des Zapfens angeordnet, so daß durch Spreizung der Stifte der konische Zapfen in Längsrichtung in den Kugelkopf eingedrückt wird. In an alternative advantageous embodiment, at least two pins are in the acute angle to the axial direction of the pin arranged so that by Spreading the pins of the conical pins in the longitudinal direction in the ball head is pushed in.  

Wird der Kugelkopf bzw. der Prothesenkopf auf Zug beansprucht, so kann es bei beiden Varianten auch bei langer Tragezeit zu keiner Lockerung des Prothesenkopfes kommen. Eine solche Lockerung würde nämlich eine Reoperation des Patienten zur Folge haben.If the ball head or the prosthesis head is subjected to tension, it can be Both variants do not loosen the Prosthesis head come. Such a loosening would namely Reoperation of the patient result.

Zweckmäßigerweise ist die Ausnehmung in der konischen Bohrung des Kugelkopfes eine Nut, insbesondere eine umlaufende Nut. Hierdurch kann der Kugelkopf in beliebiger Drehrichtung auf den konischen Zapfen aufgebracht werden.The recess in the conical bore of the Ball head a groove, in particular a circumferential groove. This allows the Ball head applied to the conical pin in any direction of rotation will.

Eine bevorzugte alternative Ausführungsform einer modular aufgebauten Endoprothese mit einem Prothesenkopf und einem Kugelkopf, wobei der Kugelkopf über eine konische Steckverbindung mit dem Prothesenstiel verbunden ist und die konische Steckverbindung über zusätzliche Sicherungsmittel gesichert ist, zeichnet sich dadurch aus,A preferred alternative embodiment of a modular structure Endoprosthesis with a prosthetic head and a spherical head, the Ball head via a conical plug connection with the prosthetic handle is connected and the conical connector via additional Is secured, is characterized by

  • - daß im konischen Zapfen der Steckverbindung eine den konischen Zapfen vollständig durchragende Bohrung angeordnet ist,- That in the conical spigot of the connector one the conical spigot completely protruding hole is arranged,
  • - daß in der Bohrung eine Sicherungsschraube auf einem Innengewinde eingedreht ist,- That in the bore a locking screw on an internal thread turned in,
  • - daß die Sicherungsschraube ein axiales Verlängerungsstück aufweist,- That the locking screw has an axial extension piece,
  • - daß eine Hülse das in den Kugelkopf hineinragende Ende des Zapfens umgreift und mit dem Verlängerungsstück verbunden ist, und- That a sleeve the end of the pin protruding into the ball head engages and is connected to the extension piece, and
  • - daß durch Verdrehen der Sicherungsschraube die Hülse axial verschiebbar ist.- That by turning the locking screw, the sleeve axially is movable.

Durch Verdrehen der Sicherungsschraube kann so eine bessere Verankerung des Zapfens im Kugelkopf erreicht werden. Vorteilhaft wird die erfindungsgemäße Endoprothese in der Hand- oder Schulterprothetik eingesetzt. Sie eignet sich jedoch auch für Hüftgelenke.By turning the locking screw, it can be better anchored of the pin in the ball head can be reached. The invention is advantageous Endoprosthesis used in hand or shoulder prosthetics. It is suitable but also for hip joints.

In vorteilhafter erfindungsgemäßer Ausführungsform ist zwischen Kugelkopf und Prothesenstiel ein Adapterstück mit mindestens einem Konus angeordnet. Das dem Kugelkopf entgegengesetzte Ende des Adapterstückes ist dem Prothesenstiel angepaßt. In an advantageous embodiment of the invention is between the ball head and Prosthetic stem an adapter piece with at least one cone arranged. The the end of the adapter piece opposite the ball head is the Prosthetic handle adapted.  

Vorteilhafterweise ist das Adapterstück ein Winkelstück. Hierdurch ist leicht eine räumliche Orientierung des Prothesenkopfes zu erreichen. Ferner kann über die Länge des Adapterstücks der Abstand vom Gelenkkopf zum Prothesenstiel variiert werden.The adapter piece is advantageously an angle piece. This makes it easy to achieve spatial orientation of the prosthesis head. Furthermore, about the Length of the adapter piece the distance from the joint head to the prosthetic stem can be varied.

Weitere Merkmale der Erfindung zeigen die Figuren, die nachfolgend eingehend beschrieben sind.Further features of the invention are shown in the figures, which are detailed below are described.

Es zeigtIt shows

Fig. 1 ein Doppelkonus-Adapterstück mit aufgesetztem Kugelkopf und einer Stiftverankerung, Fig. 1 shows a double-cone adapter piece with mounted ball head and a pin keeping,

Fig. 2 ein Doppelkonus-Adapterstück mit aufgesetztem Kugelkopf und einem alternativem Sicherungsmittel über eine verschiebbare Hülse. Fig. 2 shows a double cone adapter piece with attached ball head and an alternative securing means via a displaceable sleeve.

Fig. 1 zeigt ein Doppelkonus-Adapterstück 9 mit je einem Konus auf jedem Ende. Auf einem Konus ist ein keramischer Kugelkopf 1 aufgesetzt. Der Kugelkopf 1 weist hierzu eine konische Bohrung auf, in die das Adapterstück 9 mit ihrem konischen Zapfen 4 hineinragt. Durch einen Schlag auf den Kugelkopf 1 mit einem entsprechenden Einschlaginstrument wird der Kugelkopf 1 auf dem Adapterstück 9 befestigt. Fig. 1 shows a double cone adapter piece 9 with one cone on each end. A ceramic ball head 1 is placed on a cone. For this purpose, the ball head 1 has a conical bore into which the adapter piece 9 projects with its conical pin 4 . By striking the ball head 1 with a suitable impact instrument, the ball head 1 is fastened on the adapter piece 9 .

Im Adapterstück 9 bzw. im konischen Zapfen 4 ist eine sich in Axialrichtung erstreckende Bohrung 5 mit einem Innengewinde angeordnet, in die eine Sicherungsschraube 2 eingedreht ist. Die Sicherungsschraube 2 weist eine kegelstumpfförmige Spitze 3 auf. Weiterhin sind im konischen Zapfen 4 zwei die Wandung durchragende Stifte 6a, 6b diametral gegenüberliegend angeordnet. Diese Stifte 6a, 6b sind in der in Fig. 1 gezeigten Ausführungsform senkrecht zur Längsachse 8 des konischen Zapfens 4 angeordnet und liegen mit ihrem einen Ende auf der Spitze 3 der Sicherungsschraube 2 auf. Das andere Ende der Stifte 6a, 6b ragt in eine Ausnehmung 7 in der konischen Bohrung des Kugelkopfes 1 hinein. Diese Ausnehmung 7 ist zweckmäßigerweise eine umlaufende Nut.In the adapter piece 9 or in the conical pin 4 there is an axially extending bore 5 with an internal thread, into which a locking screw 2 is screwed. The locking screw 2 has a frustoconical tip 3 . Furthermore, two pins 6 a, 6 b projecting through the wall are arranged diametrically opposite one another in the conical pin 4 . In the embodiment shown in FIG. 1, these pins 6 a, 6 b are arranged perpendicular to the longitudinal axis 8 of the conical pin 4 and rest with one end on the tip 3 of the locking screw 2 . The other end of the pins 6 a, 6 b protrudes into a recess 7 in the conical bore of the ball head 1 . This recess 7 is expediently a circumferential groove.

Wenn der keramische Kugelkopf 1 auf den konischen Zapfen 4 aufgesteckt ist, wird er, wie schon ausgeführt, mit einem gezielten Schlag mit einem Einschlaginstrument auf den konischen Zapfen 4 gepreßt. Damit ist der Kugelkopf 1 eigentlich fest mit dem Zapfen 4 verbunden. Zusätzlich wird die Sicherungsschraube 2 noch im Gewinde verdreht, derart, daß die Stifte 6a, 6b nach außen gedrückt werden und an der Innenwand der Ausnehmung anliegen. Wie aus dem vergrößertem Ausschnitt aus Fig. 1 zu ersehen ist, wirken die Stifte 6a, 6b exzentrisch mit der Ausnehmung zusammen. Hierdurch wird durch die Spreizung der Stifte 6a, 6b der Kugelkopf 1 auf den konischen Zapfen 4 bzw. auch umgekehrt gezogen. Zum Drehen der Sicherungsschraube 2 ist im Schraubenboden ein Eingriff 10 zur Aufnahme eines Werkzeuges vorgesehen.When the ceramic ball head 1 is plugged onto the conical pin 4 , it is, as already stated, pressed onto the conical pin 4 with a targeted impact with an impact instrument. So that the ball head 1 is actually firmly connected to the pin 4 . In addition, the locking screw 2 is still twisted in the thread such that the pins 6 a, 6 b are pressed outwards and rest on the inner wall of the recess. As can be seen from the enlarged section of FIG. 1, the pins 6 a, 6 b interact eccentrically with the recess. As a result, the ball head 1 is pulled onto the conical pin 4 or vice versa by the spreading of the pins 6 a, 6 b. To turn the locking screw 2 , an engagement 10 for receiving a tool is provided in the screw base.

Das Doppelkonus-Adapterstück 9 mit aufgesetztem Kugelkopf wird anschließend mit einem Prothesenstiel auf die verschiedenste Art und Weise befestigt.The double cone adapter piece 9 with attached ball head is then attached in a variety of ways with a prosthetic handle.

Fig. 2 zeigt ein Doppelkonus-Adapterstück 9 mit je einem Konus auf jedem Ende und einem aufgesetzten Kugelkopf 1. Gegenüber der Ausführungsform gemäß Fig. 1 zeichnet sich diese Ausführungsform durch andere Sicherungsmittel aus. Im konischen Zapfen 4 ist eine axial durch laufende Bohrung 20 angeordnet. In diese Bohrung 20 ist auf einem Gewinde 21 eine Sicherungsschraube 2 eingedreht. Zum leichteren Eindrehen weist die Sicherungsschraube 2 einen Eingriff 24 auf. Auf dem dem Eingriff 24 entgegengesetztem Ende der Sicherungsschraube 2 ist diese mit einem Verlängerungsstück 22 versehen. Dieses Verlängerungsstück 22 ragt etwas aus dem konischen Zapfen 4 hervor und ist mit einer Hülse 23 verbunden, welche das in den Kugelkopf hineinragende Ende des Zapfens 4 mit mehreren Armen umgreift. Die Festlegung der Hülse 23 erfolgt über eine Schraube 25, wobei die Hülse 23 mit ihrem oberen Ende zwischen der Schraube 25 und der oberen Stirnseite des Zapfens 4 angeordnet ist. Sie kann auch nur mit Spiel eingelegt sein. Die Hülse 23 ist vorzugsweise selbst wie der Zapfen 4 und die Bohrung im Kugelkopf 1 konisch ausgebildet. Die Hülse 23 ist aus Metall, wie z. B. Titan gefertigt. Fig. 2 shows a double-cone adapter piece 9, each with a taper on each end and a mounted ball head 1. Compared to the embodiment according to FIG. 1, this embodiment is distinguished by other securing means. In the conical pin 4 an axially through running bore 20 is arranged. A locking screw 2 is screwed into this bore 20 on a thread 21 . To make screwing in easier, the locking screw 2 has an engagement 24 . On the end of the locking screw 2 opposite the engagement 24 , this is provided with an extension piece 22 . This extension piece 22 protrudes somewhat from the conical pin 4 and is connected to a sleeve 23 which engages around the end of the pin 4 projecting into the ball head with several arms. The sleeve 23 is fixed by a screw 25 , the upper end of the sleeve 23 being arranged between the screw 25 and the upper end face of the pin 4 . It can also be inserted only with a game. The sleeve 23 is preferably conical itself like the pin 4 and the bore in the ball head 1 . The sleeve 23 is made of metal, such as. B. Titanium.

Durch Verdrehen der Sicherungsschraube 2 weg vom Kugelkopf 1 wird die Hülse 23 an den Zapfen 4 gezogen. Hierdurch weitet sich die Hülse 23 auf, wodurch eine bessere Verankerung des Zapfens 4 im Kugelkopf 1 erreicht wird.By turning the locking screw 2 away from the ball head 1 , the sleeve 23 is pulled to the pin 4 . As a result, the sleeve 23 expands, whereby a better anchoring of the pin 4 in the ball head 1 is achieved.

Claims (9)

1. Modular aufgebaute Endoprothese mit einem Prothesenstiel und einem Kugelkopf (1), wobei der Kugelkopf (1) über eine konische Steckverbindung mit dem Prothesenstiel verbunden ist, die konische Steckverbindung zusätzlich über eine Sicherungsschraube (2) gesichert ist und die Sicherungsschraube (2) eine kegel- oder kegelstumpfförmige Spitze (3) aufweist, dadurch gekennzeichnet,
  • - daß im konischen Zapfen (4) der Steckverbindung eine sich in Axialrichtung erstreckende Bohrung (5) mit einem Innengewinde angeordnet ist, in die die Sicherungsschraube (2) eingedreht ist, und
  • - daß im konischen Zapfen (4) zumindest zwei die Wandung durchragende Stifte (6a, 6b) angeordnet sind, die mit ihrem einen Ende auf der Spitze (3) der Sicherungsschraube (2) aufliegen und mit ihrem anderen Ende in eine Ausnehmung (7) in der konischen Bohrung des Kugelkopfes (1) hineinragen.
1. Modular endoprosthesis with a prosthetic stem and a ball head ( 1 ), the ball head ( 1 ) being connected to the prosthesis stem by a conical plug connection, the conical plug connection being additionally secured by a locking screw ( 2 ) and the locking screw ( 2 ) has a conical or frustoconical tip ( 3 ), characterized in that
  • - That in the conical pin ( 4 ) of the connector, an axially extending bore ( 5 ) is arranged with an internal thread into which the locking screw ( 2 ) is screwed, and
  • - That at least two pins ( 6 a, 6 b) projecting through the wall are arranged in the conical pin ( 4 ), which rest with their one end on the tip ( 3 ) of the locking screw ( 2 ) and with their other end in a recess ( 7 ) protrude into the conical bore of the ball head ( 1 ).
2. Endoprothese nach Anspruch 1, dadurch gekennzeichnet, daß die zumindest zwei Stifte (6a, 6b) im wesentlichen senkrecht zur Längsachse (8) des konischen Zapfens (4) angeordnet sind und mit der Ausnehmung (7) exzentrisch zusammenwirken, so daß durch Spreizung der Stifte (6a, 6b) der konische Zapfen (4) in Längsrichtung in den Kugelkopf (4) eingedrückt wird.2. Endoprosthesis according to claim 1, characterized in that the at least two pins ( 6 a, 6 b) are arranged substantially perpendicular to the longitudinal axis ( 8 ) of the conical pin ( 4 ) and interact with the recess ( 7 ) eccentrically, so that the conical journal (4) is pressed in the longitudinal direction in the ball head (4) by spreading of the pins (6 b 6 a,). 3. Endoprothese nach Anspruch 1, dadurch gekennzeichnet, daß die zumindest zwei Stifte (6a, 6b) im spitzen Winkel zur Axialrichtung des Zapfens (4) angeordnet sind, so daß durch Spreizung der Stifte (6a, 6b) der konische Zapfen (4) in Längsrichtung in den Kugelkopf (1) eingedrückt wird.3. Endoprosthesis according to claim 1, characterized in that the at least two pins ( 6 a, 6 b) are arranged at an acute angle to the axial direction of the pin ( 4 ), so that the conical by spreading the pins ( 6 a, 6 b) Pin ( 4 ) is pressed into the ball head ( 1 ) in the longitudinal direction. 4. Endoprothese nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Ausnehmung (7) in der konischen Bohrung des Kugelkopfes (1) eine Nut, insbesondere eine umlaufende Nut ist. 4. Endoprosthesis according to one of claims 1 to 3, characterized in that the recess ( 7 ) in the conical bore of the ball head ( 1 ) is a groove, in particular a circumferential groove. 5. Modular aufgebaute Endoprothese mit einem Prothesenstiel und einem Kugelkopf (1), wobei der Kugelkopf (1) über eine konische Steckverbindung mit dem Prothesenstiel verbunden ist und die konische Steckverbindung über zusätzliche Sicherungsmittel gesichert ist, dadurch gekennzeichnet,
  • - daß im konischen Zapfen (4) der Steckverbindung eine den konischen Zapfen (4) vollstündig durchragende Bohrung (20) angeordnet ist,
  • - daß in der Bohrung (20) eine Sicherungsschraube (2) auf einem Innengewinde (21) eingedreht ist,
  • - daß die Sicherungsschraube (2) ein axiales Verlängerungsstück (22) aufweist,
  • - daß eine Hülse (23) das in den Kugelkopf (1) hineinragende Ende des Zapfens (4) umgreift und mit dem Verlängerungsstück (22) verbunden ist, und
  • - daß durch Verdrehen der Sicherungsschraube (2) die Hülse (23) axial verschiebbar ist.
5. Modular endoprosthesis with a prosthetic stem and a spherical head ( 1 ), the spherical head ( 1 ) being connected to the prosthesis stem via a conical plug connection and the conical plug connection being secured by additional securing means, characterized in that
  • - That in the conical pin ( 4 ) of the connector a conical pin ( 4 ) completely protruding hole ( 20 ) is arranged,
  • - That a locking screw ( 2 ) is screwed into an internal thread ( 21 ) in the bore ( 20 ),
  • - That the locking screw ( 2 ) has an axial extension piece ( 22 ),
  • - That a sleeve ( 23 ) engages in the ball head ( 1 ) protruding end of the pin ( 4 ) and is connected to the extension piece ( 22 ), and
  • - That the sleeve ( 23 ) is axially displaceable by turning the locking screw ( 2 ).
6. Endoprothese nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zwischen Kugelkopf (1) und Prothesenstiel ein Adapterstück (9) mit mindestens einem Konus angeordnet ist.6. Endoprosthesis according to one of claims 1 to 5, characterized in that an adapter piece ( 9 ) with at least one cone is arranged between the ball head ( 1 ) and prosthesis stem. 7. Endoprothese nach Anspruch 6, dadurch gekennzeichnet, daß das Adapterstück (9) ein Winkelstück ist.7. Endoprosthesis according to claim 6, characterized in that the adapter piece ( 9 ) is an angle piece. 8. Endoprothese nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Kugelkopf (1) aus Keramik gefertigt ist.8. Endoprosthesis according to one of claims 1 to 7, characterized in that the ball head ( 1 ) is made of ceramic. 9. Endoprothese nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Endoprothese in der Hand- oder Schulterprothetik verwendet wird.9. Endoprosthesis according to one of claims 1 to 8, characterized characterized in that the endoprosthesis in the hand or Shoulder prosthetics is used.
DE4445892A 1994-12-22 1994-12-22 Endoprosthesis with conical insert connection Withdrawn DE4445892A1 (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
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EP0792628A3 (en) * 1996-02-29 1998-03-25 Werner Scholz Endoprosthesis for an artificial hip joint
EP0872222A1 (en) * 1997-04-18 1998-10-21 Headcorn Instrumentation Ltd. Shoulder prosthesis
DE20120241U1 (en) * 2001-12-14 2003-04-24 Keramed Medizintechnik Gmbh Endoprosthesis
FR2832309A1 (en) * 2001-11-21 2003-05-23 Jean Claude Bouvet Femoral rod for hip prosthesis has foot with femoral rod receiving insert with shoulder to engage hemispherical cap
EP1405614A2 (en) * 2002-09-30 2004-04-07 Depuy Products, Inc. Shoulder prosthesis
JP2005193045A (en) * 2003-12-30 2005-07-21 Depuy Products Inc Joint prosthesis with head to have unlimited potential of positioning
DE102004043700A1 (en) * 2004-09-09 2006-03-16 Plus Endoprothetik Ag Endoprosthesis for a metatarsophalangeal joint
US7875082B2 (en) * 2008-05-09 2011-01-25 Remi Sciences, Inc. Ulnar head prosthesis system
US8002838B2 (en) 2008-06-11 2011-08-23 Depuy Products, Inc. Joint prosthesis with positionable head
US8052755B2 (en) * 2008-05-09 2011-11-08 Remi Sciences, Inc. Ulnar head prosthesis system
US8273093B2 (en) 2004-06-29 2012-09-25 Depuy Products, Inc. Instrumentation for recording and replicating orthopaedic implant orientation
US8444698B2 (en) 2004-12-29 2013-05-21 Depuy Products, Inc. Joint prosthesis with infinitely positionable head
US8460390B2 (en) 2004-12-29 2013-06-11 Depuy Products, Inc. System and method for replicating orthopaedic implant orientation
US8679185B2 (en) 2005-09-30 2014-03-25 DePuy Synthes Products, LLC Joint prosthesis with positionable head
RU2779359C1 (en) * 2021-07-13 2022-09-06 Общество с ограниченной ответственностью «ТИОС» Method for securing bone endoprostheses and set of apparatuses for implementing the method

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EP0474015A1 (en) * 1990-09-07 1992-03-11 Waldemar Link (GmbH & Co.) Endoprosthesis
FR2689756A1 (en) * 1992-04-08 1993-10-15 Fabrication Etu Realisa Implan Articulated joint head - has offset shank with recesses at various points for locking screw to give improved positioning

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EP0474015A1 (en) * 1990-09-07 1992-03-11 Waldemar Link (GmbH & Co.) Endoprosthesis
DE4028510C2 (en) * 1990-09-07 1994-12-01 Link Waldemar Gmbh Co Endoprosthesis
FR2689756A1 (en) * 1992-04-08 1993-10-15 Fabrication Etu Realisa Implan Articulated joint head - has offset shank with recesses at various points for locking screw to give improved positioning

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6136036A (en) * 1996-02-29 2000-10-24 Scholz; Werner Endoprosthesis for an artificial hip-joint
EP0792628A3 (en) * 1996-02-29 1998-03-25 Werner Scholz Endoprosthesis for an artificial hip joint
EP0872222A1 (en) * 1997-04-18 1998-10-21 Headcorn Instrumentation Ltd. Shoulder prosthesis
US6015437A (en) * 1997-04-18 2000-01-18 Headcorn Instrumentation Ltd. Shoulder prosthesis
FR2832309A1 (en) * 2001-11-21 2003-05-23 Jean Claude Bouvet Femoral rod for hip prosthesis has foot with femoral rod receiving insert with shoulder to engage hemispherical cap
DE20120241U1 (en) * 2001-12-14 2003-04-24 Keramed Medizintechnik Gmbh Endoprosthesis
EP1405614A3 (en) * 2002-09-30 2005-11-16 Depuy Products, Inc. Shoulder prosthesis
EP1405614A2 (en) * 2002-09-30 2004-04-07 Depuy Products, Inc. Shoulder prosthesis
JP4658591B2 (en) * 2003-12-30 2011-03-23 デピュイ・プロダクツ・インコーポレイテッド Joint prosthesis with an infinitely positionable head
EP1550420A3 (en) * 2003-12-30 2005-08-17 Depuy Products, Inc. Joint prosthesis with infinitely positionable head
JP2005193045A (en) * 2003-12-30 2005-07-21 Depuy Products Inc Joint prosthesis with head to have unlimited potential of positioning
US8419798B2 (en) 2003-12-30 2013-04-16 Depuy Products, Inc. Joint prosthesis with infinitely positionable head
US8585711B2 (en) 2004-06-29 2013-11-19 DePuy Synthes Products, LLC Instrumentation for recording and replicating orthopaedic implant orientation
US8968327B2 (en) 2004-06-29 2015-03-03 DePuy Synthes Products, LLC Instrumentation for recording and replicating orthopaedic implant orientation
US8808306B2 (en) 2004-06-29 2014-08-19 DePuy Synthes Products, LLC Instrumentation for recording and replicating orthopaedic implant orientation
US8273093B2 (en) 2004-06-29 2012-09-25 Depuy Products, Inc. Instrumentation for recording and replicating orthopaedic implant orientation
DE102004043700A1 (en) * 2004-09-09 2006-03-16 Plus Endoprothetik Ag Endoprosthesis for a metatarsophalangeal joint
US9132012B2 (en) 2004-12-29 2015-09-15 DePuy Synthes Products, Inc. Joint prosthesis with infinitely positionable head
US8460390B2 (en) 2004-12-29 2013-06-11 Depuy Products, Inc. System and method for replicating orthopaedic implant orientation
US8562686B2 (en) 2004-12-29 2013-10-22 DePuy Synthes Products, LLC Joint prosthesis with infinitely positionable head
US8444698B2 (en) 2004-12-29 2013-05-21 Depuy Products, Inc. Joint prosthesis with infinitely positionable head
US9925047B2 (en) 2004-12-29 2018-03-27 DePuy Synthes Products, Inc. Method of implanting joint prosthesis with infinitely positionable head
US10828161B2 (en) 2004-12-29 2020-11-10 DePuy Synthes Products, Inc. Method of implanting joint prosthesis with infinitely positionable head
US11298233B2 (en) 2004-12-29 2022-04-12 DePuy Synthes Products, Inc. Method of implanting joint prosthesis with infinitely positionable head
US8679185B2 (en) 2005-09-30 2014-03-25 DePuy Synthes Products, LLC Joint prosthesis with positionable head
US9681954B2 (en) 2005-09-30 2017-06-20 DePuy Synthes Products, Inc. Joint prosthesis system with positionable head
US9913720B2 (en) 2005-09-30 2018-03-13 DePuy Synthes Products, Inc. Joint prosthesis system with positionable head
US8052755B2 (en) * 2008-05-09 2011-11-08 Remi Sciences, Inc. Ulnar head prosthesis system
US7875082B2 (en) * 2008-05-09 2011-01-25 Remi Sciences, Inc. Ulnar head prosthesis system
US8002838B2 (en) 2008-06-11 2011-08-23 Depuy Products, Inc. Joint prosthesis with positionable head
RU2779359C1 (en) * 2021-07-13 2022-09-06 Общество с ограниченной ответственностью «ТИОС» Method for securing bone endoprostheses and set of apparatuses for implementing the method

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