DE405686C - Rubber foot with embedded wooden core - Google Patents

Rubber foot with embedded wooden core

Info

Publication number
DE405686C
DE405686C DEA40628D DEA0040628D DE405686C DE 405686 C DE405686 C DE 405686C DE A40628 D DEA40628 D DE A40628D DE A0040628 D DEA0040628 D DE A0040628D DE 405686 C DE405686 C DE 405686C
Authority
DE
Germany
Prior art keywords
foot
wooden core
heel
rubber
rubber foot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DEA40628D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ARTHUR RUDOW DR
Original Assignee
ARTHUR RUDOW DR
Publication date
Priority to DEA40628D priority Critical patent/DE405686C/en
Application granted granted Critical
Publication of DE405686C publication Critical patent/DE405686C/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
    • 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

Description

Gummifuß mit eingebettetem Holzkern. Es sind Gummifüße mit eingebettetem Holzkern bekannt, bei denen durch Einbringen von Schwammgummi in den Fersenballen des im übrigen aus Vollgummi bestehenden Fußes und nachherigem Vulkanisieren des Ganzen eine hohe Elastiziität der Ferse erreicht wird. Durch die bei der Belastung des Fußes eintretende Verflachung der Ferse wird auch ein Annähern der Spitze des sich beim Gehen des. Prothesenträgers zunächst mit der Ferse aufsetzenden Fußes an den Erdboden erreicht.Rubber foot with an embedded wooden core. There are rubber feet with embedded Wood core known, in which by inserting sponge rubber in the ball of the heel of the remaining solid rubber foot and subsequent vulcanization of the All in all a high elasticity of the heel is achieved. By at the load Occurring flattening of the heel will also bring the toe of the foot closer when the prosthesis wearer walks, the foot first touches down with the heel reached the ground.

Indessen reicht die durch den in den Fersentelil eingelegten Schwammgummi herbeigeführte Elastizität nicht in allen Fällen aus, eine regelrechte Abwicklung des Fußes herbeizuführen, weil der den Schwammgummi umhüllende Vollgummi seine Auswirkung hemmt. Um die für eine schnelle Abwicklung des Fußes, also Annäherung auch seiner Spitze an den Erdboden erforderliche, besonders weitgetriebene Abflachung der Ferse herbeizuführen, ist gemäß vorliegender Erfindung der Rücken des Fußes über dem Fersenballen keilförmig aufgespalten. Die so geschaffene Lücke drückt sich ziemlich plötzlich zusammen. Wegen ihrer nach der Fußspitze zu gerichteten Keilform erfolgt aber auch gleichzeitig ein Schub der Fußspitze nach vorn. Dadurch wird die Annäherung der Sohlenfläche an den Erdboden, also die Abwicklung des Fußes, beschleunigt. In der Zeichnung ist eine beispielsweise Ausführungsform des Erfindungsgegenstandes dargestellt.In the meantime, the rubber sponge inserted in the heel is enough The elasticity that is brought about does not in all cases result in a real unwinding of the foot, because the solid rubber surrounding the sponge rubber has its effect inhibits. In order to allow the foot to move quickly, i.e. approaching it as well Pointed to the ground required, particularly far-flung flattening of the heel According to the present invention, the back of the foot is above the ball of the heel split in a wedge shape. The gap created in this way is expressed quite suddenly together. Because of its wedge shape, which is directed towards the tip of the foot, it also takes place at the same time the tip of the foot is pushed forward. This will bring the approximation of the Sole surface on the ground, i.e. the unwinding of the foot, accelerates. In the The drawing shows an exemplary embodiment of the subject matter of the invention.

Der in bekannter (und daher nicht gezeichneter) Weise mit einem Holzkern versehene Gummifuß a hat im Rücken über dem Fersenballen einen sich nach der Fußspitze g zu keilförmig verjüngenden Spalt b. Da der Prothesenträger den Fuß zuerst mit der Ferse aufsetzt, steht dessen Spitze hoch (strichpunktiert). Beim Belasten des Fußes verflacht sich die Ferse und gleichzeitig schließt sich der Spalt b, indem sich die elastische Gummizunge e an den Holzkern anlegt. Infolge der Keilgestalt des Spaltes schiebt sich der Fuß gleichzeitig nach vorn, die Sohlenfläche nähert sich dem Boden, und es findet eine regelrechte Abwicklung statt (starkausgezogene Stellung), so daß ein natürlicher Gang erzielt wird.The one in a known (and therefore not shown) way with a wooden core The rubber foot provided with a has in the back above the ball of the heel one towards the tip of the foot g to a wedge-shaped tapering gap b. Since the prosthesis wearer puts the foot first with the heel touches down, the toe is high (dash-dotted). When loading the Foot flattens the heel and at the same time the gap b closes by the elastic rubber tongue e rests against the wooden core. As a result of the wedge shape of the gap, the foot pushes forward at the same time, approaching the surface of the sole the ground, and there is a real unwinding (strongly extended Position) so that a natural gait is achieved.

Der Gummifuß a ist in der üblichen Weise von einem Lederbezug f umhüllt.The rubber foot a is wrapped in a leather cover f in the usual way.

Claims (1)

PATENT-ANSPRUcH Gummifuß mit eingebettetem Holzkern, gekennzeichnet durch einen sich keilförmig nach der Fußspitze verjüngenden Ausschnitt (b) im Rücken über dem Fersenballen (e). PATENT CLAIM Rubber foot with an embedded wooden core, characterized by a wedge-shaped cutout (b) in the back above the ball of the heel (e) that tapers in the shape of a wedge towards the tip of the foot.
DEA40628D Rubber foot with embedded wooden core Expired DE405686C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA40628D DE405686C (en) Rubber foot with embedded wooden core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA40628D DE405686C (en) Rubber foot with embedded wooden core

Publications (1)

Publication Number Publication Date
DE405686C true DE405686C (en) 1924-11-08

Family

ID=6932070

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA40628D Expired DE405686C (en) Rubber foot with embedded wooden core

Country Status (1)

Country Link
DE (1) DE405686C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116381A (en) * 1990-04-23 1992-05-26 Etablissements Proteor Prosthesis with a monobloc framework for leg amputation and method for producing this prosthesis
US5258039A (en) * 1991-11-15 1993-11-02 The National University Of Singapore Energy storing composite prosthetic foot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116381A (en) * 1990-04-23 1992-05-26 Etablissements Proteor Prosthesis with a monobloc framework for leg amputation and method for producing this prosthesis
US5258039A (en) * 1991-11-15 1993-11-02 The National University Of Singapore Energy storing composite prosthetic foot

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