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DE3239959A1 - Ankle joint for leg prostheses - Google Patents

Ankle joint for leg prostheses

Info

Publication number
DE3239959A1
DE3239959A1 DE19823239959 DE3239959A DE3239959A1 DE 3239959 A1 DE3239959 A1 DE 3239959A1 DE 19823239959 DE19823239959 DE 19823239959 DE 3239959 A DE3239959 A DE 3239959A DE 3239959 A1 DE3239959 A1 DE 3239959A1
Authority
DE
Germany
Prior art keywords
ankle
ankle joint
joint according
foot part
heel
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.)
Granted
Application number
DE19823239959
Other languages
German (de)
Other versions
DE3239959C2 (en
Inventor
Des Erfinders Auf Nennung Verzicht
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.)
HEINTZ BRUNO
Original Assignee
HEINTZ BRUNO
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 HEINTZ BRUNO filed Critical HEINTZ BRUNO
Priority to DE19823239959 priority Critical patent/DE3239959C2/en
Publication of DE3239959A1 publication Critical patent/DE3239959A1/en
Application granted granted Critical
Publication of DE3239959C2 publication Critical patent/DE3239959C2/en
Expired 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/66—Feet; Ankle joints
    • A61F2/6607—Ankle joints
    • 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
    • A61F2002/30383—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements made by laterally inserting a protrusion, e.g. a rib into a complementarily-shaped groove
    • A61F2002/30387—Dovetail 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
    • A61F2002/30329—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
    • A61F2002/30462—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements retained or tied with a rope, string, thread, wire or cable
    • 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2002/5007—Prostheses not implantable in the body having elastic means different from springs, e.g. including an elastomeric insert
    • 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2002/5072—Prostheses not implantable in the body having spring elements
    • A61F2002/5073—Helical springs, e.g. having at least one helical spring
    • 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
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/60—Artificial legs or feet or parts thereof
    • A61F2/66—Feet; Ankle joints
    • A61F2002/6614—Feet
    • 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
    • A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable

Landscapes

  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (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 invention relates to an ankle joint for leg prostheses for the movable connection between the ankle part and foot part having a heel and instep cut-out for freedom of movement. It is intended to provide a flexible bearing with a certain lateral mobility along with a simple construction and with a knee lever size which can be adjusted during production to suit the prosthesis wearer. For this purpose, the ankle joint for leg prostheses has an axial bearing block of triangular cross-section at the junction between the cut-outs, the base part of which block is sunk in a transverse groove in the foot part, whereas the ankle part sits on it with a transverse notch and both parts are held together by means of a continuous, pendulum-mounted connection screw.

Description

Beschreibung:Description:

Die Erfindung betrifft ein Fußgelenk für Beinprothesen zur beweglichen Verbindung zwischen Knöchel- und Fußteil mit Fersen- und Risteinsohnitt zur Bewegungsfreigabe.The invention relates to an ankle joint for leg prostheses for movable Connection between ankle and foot part with heel and instep to allow movement.

Die bekannten Fußgelenkefür Unter- und Oberschenkelprothesen gehen von einem Lager mit Gelenkachse aus, welche quer zum Fuß liegt, was einen verhältnis -mäßig starren Bewegungsablauf ergibt. AUch ist der Kniehebel gebildet von der senkrechten Hauptachse zur Gelenkachse nicht individuell auf den Prothesenträger einzurichten, sondern vort##nachinell gefertigten Gelenkbau her vorgegeben und schließlich ist hierbei auch keine Seitenbeweglichkeit gegeben. Es gibt zwar auch Konstruktionen, welche eine Seitenbeweglichkeit zulassen; diese sind jedoch sehr aufwendig, nicht flexibel und überdies störanfällig.The well-known ankle joints for lower and upper leg prostheses go from a bearing with a hinge axis, which lies transversely to the foot, what a ratio -moderately rigid sequence of movements results. The knee lever is also formed by the vertical one The main axis to the joint axis cannot be set up individually on the prosthesis wearer, but before the articulated joint construction is given and finally is there is no lateral mobility here either. There are also constructions which allow lateral mobility; however, these are not very expensive flexible and moreover prone to failure.

Aufgabe der Erfindung ist es nun diese Nachteile zu vermeiden und eine flexible Lagerung mit einer gewissen Seitenbeweglichkeit zu schaffen, welche sich im übrigen durch einen einfachen Aufbau mit bei der Fertigung auf den Prothesenträger einstellbarer Kniehebelgröße auszeichnet.The object of the invention is to avoid these disadvantages and to create a flexible storage with a certain lateral mobility, which Incidentally, due to a simple structure, it is part of the production on the prosthesis wearer adjustable knee lever size.

Das Fußgelenk für Beinprothesen nach dem Oberbegriff des Anspruchs 1 kennzeichnet sich gemäß der Erfindung dadurch, daß am Treffpunkt zwischen den Einschnitten ein Achslagerblock mit Dreieckquerschnitt.The ankle joint for leg prostheses according to the preamble of the claim 1 is characterized according to the invention in that at the meeting point between the Incisions in an axle block with a triangular cross-section.

mit dem Basisteil in einer Quernut am Fußteil eingelassen ist, während das Knöchelteil mit einer Querkerbe aufsitzt und beide Teile mittels durchgreifender, pendelgelagerter Verbindungschraube zusammengehalten sind. Hierbei sitzt der Achslagerblock mit Dreiecks querschnitt in einer schwalbenschwanzförmigen Quernut im Fußteil und die Querkerbe umfaßt den Spitzenteil des Achslagerblocks. Im übrigen besteht der Achslagerblock mit Dreiecksquerschnitt zweckmäßigerweise aus hartgummiartigem Material.is embedded with the base part in a transverse groove on the foot part, while the ankle part is seated with a transverse notch and both parts by means of penetrating, pendulum bearing connection screw held together are. Here the axle bearing block sits with a triangular cross-section in a dovetail shape The transverse groove in the foot part and the transverse notch encompasses the tip part of the axle block. In addition, the axle bearing block expediently has a triangular cross-section made of hard rubber-like material.

Weitere Einzelheiten des Fußgelenks gemäß der Erfindung sind an Hand eines bevorzugten Ausführungsbeispiels in der Zeichnung dargestellt und nachfolgend beschrieben und zwar als Schnitt durch ein Fußgelenk mit Knöchel- und Fußteil.Further details of the ankle according to the invention are on hand of a preferred embodiment shown in the drawing and below described as a section through an ankle joint with ankle and foot part.

Wie aus der Zeichnung ersichtlich wird, dient das erfindungsgemäße Fußgelenk der beweglichen Verbindung zwischen dem Knöchelteil 1 und Fußteil 2, welche (1,2) in der Regel aus Holz gefertigt sind. Hierbei sind zwischen beiden Teilen 1 und 2 der Ferseneinschnitt 3 und Risteinschnitt 4 zur Bewegungsfreigabe vorgesehen, wie das an sich bekannt ist. Am Treffpunkt zwischen den Einschnitten 3 und 4 ist nun gemäß der Erfindung ein Achslagerblock 5 mit Dreieckquerschnitt aus hartgummiartigem Material vorgesehen. Dieser Achslagerblock 5 mit Dreieckquerschnitt sitzt einerseits mit seinem Basisteil in einer schwalbenschwanzförmigen Quernut 6 im Fußteil 2, während andererseits der Spitzenteil des Achslagerblocks 5 von der Querkerbe 7 des Knöchelteil 1 umfaßt wird, Der Knöchelteil 1 und das Fußteil 2 sind mittels durchgreifender, pendelgelagerter Verbindungsschraube 8 zusammengehalten. Die Pendellagerung als Kugelpendel 9 ist hierbei in einem Mittelausschnitt 10 des Achslagerblocks 5 auf einer durch den Knöchelteil 1 führenden Längsachse 11 vorgesehen. Der Drehpunkt C des Pendellagers liegt hierbei, wie gezeigt, zweckmäßigerweise etwas über dem Spitzenteil des Achslagerblocks 5. Die Verbindungsschraube 8 besteht aus der Schraubenhülse 8a mit Kugelpendellagerung 9 im Knöchelteil 1 und der in diese Schraubhülse reichenden Anzugsschraube 8b im Fußteil 2. Die Längsachse 11 für das Kugelpendel 9 ist vorderseitig mit Gewindeende 11a in der Gewindehülse 12 am Knöchelteil 1 eingeschraubt und dient rückseitig der Befestigung des Begrenzungsseils 13, welches im Fersen des Fußteils 2 verankert ist. Hierzu liegt das Begrenzungsseil 13 als schlaufe um den Ringnutteil 14 am Ende der Längsachse 11 und ist mit beiden Enden bei 13a an der Verankerungsplatte 15 in der Ferse des Fußteils 2 einstellbar befestigt, womit sich eine individuelle Einstellung der Fußbewegung erreichen läßt.As can be seen from the drawing, the inventive Ankle joint of the movable connection between the ankle part 1 and foot part 2, which (1,2) are usually made of wood. Here are between the two parts 1 and 2 the heel incision 3 and instep incision 4 are intended to enable movement, as is known per se. At the meeting point between cuts 3 and 4 is now according to the invention, an axle block 5 with a triangular cross-section made of hard rubber-like Material provided. This axle bearing block 5 with a triangular cross-section sits on the one hand with its base part in a dovetail-shaped transverse groove 6 in the foot part 2, while on the other hand, the tip part of the journal block 5 from the transverse notch 7 of the ankle part 1 is included, The ankle part 1 and the foot part 2 are means cross, pendulum bearing connecting screw 8 held together. The pendulum bearing as a ball pendulum 9 is here in a central cutout 10 of the axle bearing block 5 provided on a longitudinal axis 11 leading through the ankle part 1. The fulcrum As shown, C of the self-aligning bearing is conveniently slightly above the Tip part of the journal block 5. The connecting screw 8 consists of the screw sleeve 8a with spherical pendulum bearing 9 in the ankle part 1 and the one reaching into this screw sleeve Tightening screw 8b in the foot part 2. The longitudinal axis 11 for the spherical pendulum 9 is on the front screwed with threaded end 11a in the threaded sleeve 12 on the ankle part 1 and serves on the back of the attachment of the boundary rope 13, which is in the heel of the foot part 2 is anchored. For this purpose, the limiting rope 13 lies as a loop around the annular groove part 14 at the end of the longitudinal axis 11 and has both ends at 13a on the anchoring plate 15 fastened adjustable in the heel of the foot part 2, making an individual Adjustment of the foot movement can be achieved.

Im Ferseneinschnitt 3 ist in Sacklöcher 16,17 vom Knöchel- und Fußteil 1,2 eine Druckfeder 18 zwischen geschaltet, während im Risteinschnitt 4, wie an sich bekannt, ein keilartiges Elastikstück, z.B. als Filzkeil 19 zwischengelegt ist. Der Einbau des Begrenzungsseils 13 im Knöchelteil 1 ist mittels Abdeckkappe 20 verdeckt und dieses (13) reicht sodann durch zwei Löcher 21 im Fußteil 2 zur Verankerungsplatte 15.In the heel cut 3 is in blind holes 16,17 of the ankle and foot part 1.2 a compression spring 18 connected between, while in the instep 4, as on known, a wedge-like elastic piece, e.g. as a felt wedge 19, is inserted is. The installation of the boundary rope 13 in the ankle part 1 is by means of a cover cap 20 covered and this (13) then extends through two holes 21 in the foot part 2 to Anchor plate 15.

Schließlich ist der Kopf der Anzugsschraube 8b sowie die Verankerungsplatte 15 für das Begrenzungsseil 13 im Fußteil 1 teilweise eingelassen und durch eine an sich bekannte Elastiksohle 22 nach unten abgedeckt. Die Gewindehülse 12 für die Längsachse 11 mit Gewindeende 11a ist vorne mittels Winkelstück 23 abgedeckt. Nach vorn wird der Fußteil 1 durch ein an sich bekanntes Spitzenteil 24 aus Filz abgeschlossen, während die Einschnitte 3 und 4 in üblicherweise mittels Ledermanschette 25 verdeckt sind.Finally, the head of the tightening screw is 8b as well as the anchoring plate 15 for the boundary rope 13 partially embedded in the foot part 1 and covered by an elastic sole 22 known per se. The threaded sleeve 12 for the longitudinal axis 11 with a threaded end 11a is covered at the front by means of an angle piece 23. The foot part 1 is moved forward by a tip part 24 made of felt, which is known per se completed, while the incisions 3 and 4 in usually by means of a leather sleeve 25 are covered.

Wie aus der Zeichnung ersichtlich wird, ist damit eine flexible Lagerung mit einer gewissen Seitenbeweglichkeit gegeben. überdies ist der Kniehebel gebildet aus der Hauptachse A-A und der Längsachse B-B zum Achslagerblock 5 durch entsprechende Anbringung der Schwalbenshwanz-Quernut 6 im Fußteil 2 einerseits und der Querkerbe 7 im Knöchelteil 1 andererseits bei der Prothesenfertigung variabel.As can be seen from the drawing, this is a flexible storage given with a certain lateral mobility. In addition, the toggle lever is formed from the main axis A-A and the longitudinal axis B-B to the axle block 5 by corresponding Attachment of the swallow tail transverse groove 6 in the foot part 2 on the one hand and the transverse notch 7 in the ankle part 1, on the other hand, variable during prosthesis manufacture.

LeerseiteBlank page

Claims (12)

"Fußgelenk für Beinprothesen" Patentansprüche. "Ankle for prosthetic legs" claims. Fußgelenk für Beinprothesen zur beweglichen Verbindung zwischen Knöchel- und Fußteil mit Fersen- und Risteinschnitt zur Bewegungsfreigagabe, d a d u r c h g e k e n n z e i c h n e t daß am Treffpunkt zwischen den Einschnitten ein Achslagerblock mit Dreieckquerschnitt mit dem Basisteil in einer Quernut am Fußteil eingelassen ist, während das Knöchelteil mit einer Querkerbe aufsitzt und beide Teile mittels durchgreifender, pendelgelagerter Verbindungsschraube zusammengehalten sind.Ankle joint for lower limb prostheses for the flexible connection between ankle and foot part with heel and instep notch to allow movement, d a d u r c h e k e n n n n z e i n e t that there is an axle bearing block at the meeting point between the incisions with a triangular cross-section with the base part embedded in a transverse groove on the foot part is, while the ankle part is seated with a transverse notch and both parts by means of thorough, pendulum bearing connecting screw are held together. 2. Fußgelenk nach Anspruch 1, d a d u r c h g e -k e n n z e i c h n e t , daß der Achslagerblock mit Dreiecksquerschnitt in einer schwalbenschwanzförmigen Quernut im Fußteil sitzt und die Querkerbe im Knöchteil den Spitzenteil des Achslagerblocks umfaßt. 2. Ankle joint according to claim 1, d a d u r c h g e -k e n n z e i c n e t that the axle block with a triangular cross-section in a dovetail shape The transverse groove is in the foot part and the transverse notch in the ankle part is the tip part of the axle bearing block includes. 3. Fußgelenk nach Anspruch 1 oder 2, d a d u r c h g e k e n n z e i c h n e t , daß der Achslagerblock mit Dreiecksquerschnitt aus hartgummiartigem Material besteht. 3. Ankle joint according to claim 1 or 2, d a d u r c h g e k e n n z e i c h n e t that the axle block with triangular cross-section made of hard rubber-like Material. 4. Fußgelenk nach einem der Ansprüche 1 bis 3, d a d u r c h gekennzeichnet, daß die Pendellagerung der Verbindungsschraube in einen Mittelausschnitt des Spitzenteils des Achslagerblocks als Kugelpendel auf einer durch den Knöchelteil führenden Längsachse reicht.4. Ankle joint according to one of claims 1 to 3, characterized by d a d u r c h, that the self-aligning bearing of the connecting screw is in a central cutout of the tip part of the axle bearing block as a spherical pendulum on a longitudinal axis leading through the ankle part enough. 5. Fußgelenk nach einem der Ansprüche 1. bis 4, d a d u r c h g e k e n n z e i c h n e t , daß die Verbindungsschraube aus einer Schraubhülse mit Kugelpendellagerung im Knöchelteil und einer in diese Schraubhülse reichende Anzugsschraube im Fußteil besteht.5. Ankle joint according to one of claims 1 to 4, d a d u r c h g e it is not indicated that the connecting screw consists of a screw sleeve with Ball pendulum bearing in the ankle part and a tightening screw reaching into this screw sleeve consists in the foot part. 6. Fußgelenk nach Anspruch 4, d a d u r c h g e k e n n -z e i c h n e t ,daß die Längsachse für das Kugelpendel vorderseits als Gewindeschraube in einer Gewindehülse am Knöchelteil eingebracht ist 6. Ankle joint according to claim 4, d a d u r c h g e k e n n -z e i c h n e t that the longitudinal axis for the spherical pendulum on the front as a threaded screw in a threaded sleeve is introduced on the ankle part 7. Fußgelenk nach Anspruch 4 bzw. 5, d a d u r c h g e k e n n z e i c h n e t ,daß die Längsachse rückseitig der Befestigung eines Begrenzungsseils dient, welches im Fersen des Fußteils verankerbar ist.7. ankle joint according to claim 4 or 5, d a d u r c h e k e n n n z e i c h n e t that the longitudinal axis is on the back of the Attachment of a boundary rope is used, which can be anchored in the heel of the foot part is. 8. Fußgelenk nach Anspruch 7, d a d u r c h g e k e n n -z e i c h n e t , daß das Begrenzungsseil als Schlaufe um ein Ringnutteil am Ende der Längsachse geführt ist und mit beiden Enden an einer Verankerungsplatte in der Ferse des Fußteils verstellbar zu befestigen ist.8. Ankle joint according to claim 7, d a d u r c h g e k e n n -z e i c h n e t that the boundary rope as a loop around an annular groove part at the end of the longitudinal axis is guided and with both ends on an anchoring plate in the heel of the foot part is adjustable to attach. 9. Fußgelenk nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , daß im Ferseneinschnitt in Sacklöcher vom Knöchel- und Fußteil liegend eine Druckfeder zwischengeschaltet ist. 9. Ankle joint according to one of the preceding claims, d a d u r c it is noted that in the heel incision in blind holes from the ankle and a compression spring is interposed lying on the foot part. 10. Fußgelenk nach einem der vorhergehenden Ansprüche, d a d u r c h gekennzeichnet, daß im Risteinschnitt, wie an sich bekannt, ein keilartiges Elastikstück zwischengeschaltet ist.10. Ankle joint according to one of the preceding claims, d a d u r c h characterized that in the instep incision, as is known, a wedge-like elastic piece is interposed. 11. Fußgelenk nach Anspruch 7, d a d u r c h g e k e n n -z e i c h n e t , daß der Einbau des Begrenzungsseils im Knöchelteil mittels Abdeckkappe verdeckbar ist und beide Seilenden durch Löcher im Fußteil zur Verankerungsplatte reichen.11. Ankle joint according to claim 7, d a d u r c h g e k e n n -z e i c n e t that the installation of the boundary rope in the ankle part by means of a cover cap is concealable and both ends of the rope through holes in the foot part to the anchoring plate are sufficient. 12. Fußgelenk nach einem der vorhergehenden Ansprüche, d a d u r c h gekennzeichnet, daß der Kopf der Anzugsschraube sowie die Verankerungsplatte für das Begrenzungsseil im Fußteil teilweise eingelassen und durch eine, an sich bekannte, Elastiksohle nach unten abgedeckt ist.12. Ankle joint according to one of the preceding claims, d a d u r c h marked that the head of the tightening screw and the anchor plate for the boundary rope in the foot part partially embedded and through a known per se The elastic sole is covered at the bottom.
DE19823239959 1982-10-28 1982-10-28 Ankle joint for a prosthetic leg Expired DE3239959C2 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0323955A1 (en) * 1986-05-27 1989-07-19 VOISIN, Jerome P Prosthetic foot and ankle system
US5158570A (en) * 1991-05-10 1992-10-27 College Park Industries, Inc. Prosthetic foot with improved ankle and elastomeric heel pad
US20110015762A1 (en) * 2009-07-14 2011-01-20 Tensegrity Prosthetics Inc. Joints for prosthetic, orthotic and/or robotic devices
US8821589B2 (en) 2008-05-13 2014-09-02 Jerome R. Rifkin Joints for prosthetic, orthotic and/or robotic devices
US9259332B2 (en) * 2006-12-14 2016-02-16 Lincolnshire Manufacturing, Llc Prosthetic vacuum system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6206934B1 (en) 1998-04-10 2001-03-27 Flex-Foot, Inc. Ankle block with spring inserts

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Publication number Priority date Publication date Assignee Title
US1818893A (en) * 1929-11-30 1931-08-11 Hoy Lyman Lorraine Artificial limb
GB479132A (en) * 1936-08-04 1938-02-01 Harry Yearsley Improvements in artificial feet and legs
US2315795A (en) * 1940-06-17 1943-04-06 Conrad B Johnson Artificial limb
DE834884C (en) * 1950-05-06 1952-03-24 Anton Schievekamp Prosthetic foot
US2692392A (en) * 1951-04-05 1954-10-19 Modern Limb Supply Co Inc Artificial limb
DE1491182A1 (en) * 1965-11-23 1969-07-17 Kowald Johann Ingo Artificial foot

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1818893A (en) * 1929-11-30 1931-08-11 Hoy Lyman Lorraine Artificial limb
GB479132A (en) * 1936-08-04 1938-02-01 Harry Yearsley Improvements in artificial feet and legs
US2315795A (en) * 1940-06-17 1943-04-06 Conrad B Johnson Artificial limb
DE834884C (en) * 1950-05-06 1952-03-24 Anton Schievekamp Prosthetic foot
US2692392A (en) * 1951-04-05 1954-10-19 Modern Limb Supply Co Inc Artificial limb
DE1491182A1 (en) * 1965-11-23 1969-07-17 Kowald Johann Ingo Artificial foot

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0323955A1 (en) * 1986-05-27 1989-07-19 VOISIN, Jerome P Prosthetic foot and ankle system
EP0323955A4 (en) * 1986-05-27 1990-05-14 Jerome P Voisin Prosthetic foot and ankle system.
US5158570A (en) * 1991-05-10 1992-10-27 College Park Industries, Inc. Prosthetic foot with improved ankle and elastomeric heel pad
US9259332B2 (en) * 2006-12-14 2016-02-16 Lincolnshire Manufacturing, Llc Prosthetic vacuum system
US8821589B2 (en) 2008-05-13 2014-09-02 Jerome R. Rifkin Joints for prosthetic, orthotic and/or robotic devices
US20110015762A1 (en) * 2009-07-14 2011-01-20 Tensegrity Prosthetics Inc. Joints for prosthetic, orthotic and/or robotic devices

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