WO2007093139A2 - Ressort d'appui et orthèse de jambe - Google Patents

Ressort d'appui et orthèse de jambe Download PDF

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Publication number
WO2007093139A2
WO2007093139A2 PCT/DE2006/002035 DE2006002035W WO2007093139A2 WO 2007093139 A2 WO2007093139 A2 WO 2007093139A2 DE 2006002035 W DE2006002035 W DE 2006002035W WO 2007093139 A2 WO2007093139 A2 WO 2007093139A2
Authority
WO
WIPO (PCT)
Prior art keywords
lower leg
foot
support spring
end portion
cuff
Prior art date
Application number
PCT/DE2006/002035
Other languages
German (de)
English (en)
Other versions
WO2007093139A3 (fr
Inventor
Norbert GÜNTHER
Ferdinand Gottinger
Original Assignee
Guenther Norbert
Ferdinand Gottinger
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 Guenther Norbert, Ferdinand Gottinger filed Critical Guenther Norbert
Publication of WO2007093139A2 publication Critical patent/WO2007093139A2/fr
Publication of WO2007093139A3 publication Critical patent/WO2007093139A3/fr

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
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
    • A61F5/0111—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the feet or ankles

Definitions

  • the invention relates to a support spring for a lower leg orthosis according to the preamble of claim 1 and a lower leg orthosis according to the preamble of claim. 6
  • Lower leg orthoses are used, for example, in patients with deep paralysis, in muscular diseases, infantile paralysis, neurological changes or even in healthy people to support the function of the human foot.
  • the lower leg orthosis holds the foot with respect to the lower leg, with forward and rearward movement, i.e., movement of the lower leg. in the longitudinal direction, determined is released.
  • the mobility forward is usually formed over a larger area than the mobility to the rear.
  • the relative mobility of the foot transversely with respect to the lower leg should be reduced to a minimum in most cases.
  • a known lower leg orthosis with a support spring is shown in Applicant's European patent EP 1 389 985 B1.
  • This lower leg orthosis has a foot cuff and a lower leg cuff, which are connected to each other via a support spring.
  • the support spring is a leaf spring with a constant wall thickness made of a carbon fiber reinforced plastic.
  • the support spring has a foot-side end portion for making the connection with the foot cuff and a lower leg-side end portion for making the connection with the lower leg cuff connected to each other via a counter-curved to the heel part.
  • the support spring tends due to the increased stress during sport to break in the heel.
  • Object of the present invention is therefore to provide a support spring and a lower leg orthosis, which has a higher stability than the previously described known support spring without the mobility of the patient is adversely affected.
  • a support spring according to the invention for a lower leg orthosis is designed as a leaf spring, preferably made of a carbon fiber reinforced plastic, and has a foot-side end portion and a lower leg end portion. The end sections are connected to each other via a counter-curved heel part. According to the invention, the heel part is reinforced with material.
  • the heel part has a greater thickness than the lower leg-side and the foot-side end portion.
  • the foot-side end portion is tapered in the direction away from the heel part, so that a "soft" plantar flexion is possible despite the material-reinforced heel part.
  • the support spring in the heel part may have a sole-side pin forming a pivot axis, which is preferably mounted in bearing portions of the heel part.
  • a preferred lower leg orthosis has a lower leg cuff and a foot cuff and a support spring according to the invention with a material-reinforced heel part for connecting the cuffs.
  • the foot cuff is pivotally mounted on the support spring. This has the advantage that during walking, despite the material reinforcement in the heel region of the support spring, no excessive thrust load is introduced into the knee.
  • the foot cuff may have a stop on which the support spring runs with its foot-side end portion, so that the pivoting in a plantarflexion patent-related individually limited.
  • the stop is buffer-like and consists of a rubber-elastic material, in particular of an elastomer, so that the foot-side end portion is cushioned when running onto the stop.
  • FIG. 1 shows a side view of a lower leg orthosis with a support spring according to the invention
  • FIG. 2 shows a rear view of the lower leg orthosis from FIG. 1,
  • FIG. 3 shows a section-wise enlarged longitudinal section through a sole of the lower leg orthosis shown in FIG. 1,
  • Figure 4 is an enlarged side view of the support spring of Figure 1;
  • Figure 5 is an enlarged front view of the support spring of Figure 1 and
  • Figure 6 is a front view of a support spring with Glenkux.
  • Figures 1 and 2 each show a highly simplified schematic representation of a lower leg orthosis 2 according to the invention, which is used in deep paralysis for supporting the foot.
  • the function of the upper ankle i. the lifting and lowering of the foot in the longitudinal direction (forward and backward) are made possible.
  • the function of the lower ankle i. the lateral raising and lowering, should not be made possible by the lower leg orthosis 2 according to the invention.
  • the lower leg orthosis 2 is designed to be relatively stiff in the direction of movement perpendicular to the plane of the drawing of FIG.
  • the lower leg orthosis 2 surrounds the lower leg 6 with a lower leg cuff 4 and, with a foot cuff 8, the foot 10 of the patient, these being connected to one another via a support spring 12 controlling the movement according to the invention.
  • a support spring 12 controlling the movement according to the invention.
  • the sleeves 4, 8 are used to transmit the supporting forces of the support spring 12 on the leg and are preferably made of plastic.
  • the lower leg cuff 4 is height adjustable.
  • the cuffs 4, 8 have on their front end face 14 a non-visible overlap which can be opened for attaching the lower leg orthosis 2 in order to insert the lower leg into the lower leg cuff 4 or the foot 10 into the foot cuff 8.
  • the two overlapping end portions of each cuff 4, 8 are fixed in position by a suitable fastener, for example a hook and loop fastener 16, which overlaps the two end portions of the overlap.
  • the foot cuff 8 is provided with a sole 18.
  • the cuffs 4, 8 on a padding, not shown.
  • the support spring 12 has a lower leg-side end portion 22 and a foot-side end portion 24, which are connected to each other via a counter-curved heel portion 26.
  • the lower leg end portion 24 is received in a pocket 28 of the lower leg cuff 4 and detachably connected to the lower leg cuff 4.
  • the foot cuff 8 is pivotally mounted on the support spring 12 about a pivot axis 30 according to the invention extending transversely to the longitudinal axis of the foot.
  • the heel part 26 has a recess 32 for receiving a sole-side joint pin, not shown.
  • the sole 18 has a chamber 34 shown in FIG. 3 for receiving the foot-side end section 8.
  • FIGS. 4 and 5 A more detailed description of the support spring 12 is given in FIGS. 4 and 5.
  • the chamber 34 in the sole 18 has a rectangular cross-section with a height H, which is greater than the height h of the foot-side end portion 24, so that the tillmanschette 8 about the pivot axis 30th can pivot relative to the support spring 12.
  • a stop 38 is arranged on a ceiling surface 36 of the chamber 34, on which the foot-side end portion 24 runs up during a plantarflexion (indicated by dashed lines).
  • the stop 38 is releasably secured to the ceiling surface 36 and can be customized in shape and choice of material to the patient.
  • the stop 38 is made of a rubber-elastic material, For example, an elastomer, so that the contact between the stopper 38 and the sole side end portion 24 is cushioned or buffered.
  • the stop 38 has a stop surface 40, which is employed in the basic position of the lower leg orthosis 2 in accordance with the maximum pivot angle ⁇ to the longitudinal axis 42 of the foot-side end portion 24.
  • the support spring 12 has according to Figure 4 has an approximately L-shaped structure.
  • the curvature of the heel part 26 is formed by two radii r and R, wherein over the radius r substantially the mobility of the support spring 12 forward, d. H. in the clockwise direction in Figure 4 (plantarflexion), and the radius R, the mobility of the support spring 12 to the rear, d. H. counterclockwise in Figure 4 (Dorsalflexion), is determined.
  • the heel part 26 is made reinforced in material compared to the lower leg end portion 22 and the foot end portion 24.
  • the heel part 26 has a greater thickness D than the end sections 22, 24.
  • the stability of the support spring 12 is increased both in a plantar as well as a Dorsalflexion and thus, especially in a heavy load of the support spring 12, as they may occur, for example, in sports, a break in the heel part 26 is prevented.
  • the material reinforcement increases the stability of the support spring 12 primarily only in terms of Dorsalflexion.
  • the foot-side end portion 26 is tapered in the direction away from the heel part 26.
  • the taper of the foot-side end portion 24 nearly compensates for the material reinforcement in the heel part 26, so that a "soft" plantar flexion is possible despite the material reinforcement.
  • the compensation of the material reinforcement can be further improved if, as described in Figures 1 and 3, the foot sleeve 24, for example at Plantarflexion on the pivot axis 30 with respect to the support spring 12 is relatively pivotable.
  • the lower leg end portion 22 preferably has a constant wall thickness or thickness d, which, as already mentioned, according to the invention is smaller than the thickness D of the heel part 26.
  • the support spring 12 is formed as a leaf spring, wherein as a material preferably a fiber reinforced plastic, for example, carbon fiber reinforced plastic is used.
  • a material preferably a fiber reinforced plastic, for example, carbon fiber reinforced plastic is used.
  • This material is characterized by excellent bending stiffness with minimal weight and high fatigue strength. In principle, however, other suitable materials can be used, but they must always be selected with regard to minimum weight and maximum fatigue strength.
  • FIG. 6 shows an alternative solution, in which a hinge pin 44 is inserted into the recess 32 indicated by dashed lines.
  • the length of this hinge pin 44 is greater than the width (horizontal in Figure 6) of the heel part 26 of the support spring 12 is selected so that two end portions 46, 48 laterally, d. h., Projecting transversely to theticianlticiansachse from the heel part 26.
  • end portions 46, 48 are pivotally received in bearing portions 50, 52 indicated by dot-dash lines, so that the lower leg orthosis 2 supports the foot and the lower leg area in an optimum manner during walking.
  • the foot-side end portion 24 of the support spring 12 may be stored in theticianschette 8 and / or the sole 18, that he allows this Relativverschwenkung, the maximum pivoting range is limited in a suitable manner.
  • a support spring for a lower leg orthosis which is formed as a leaf spring, with a foot-side end portion and a lower leg-side end portion which are interconnected via a counter-curved heel portion, wherein the heel portion compared to the lower leg end portion and the foot-side end portion reinforced material, and a lower leg orthosis with such a support spring.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Rehabilitation Tools (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne un ressort d'appui d'une orthèse de jambe réalisé sous la forme d'un ressort à lames, comprenant une section terminale côté pied et une section terminale côté jambe qui sont reliées par une partie talon de courbure opposée. Par rapport à la section terminale côté jambe et à la section terminale côté pied, la partie talon est réalisée dans un matériau renforcé. L'invention concerne également une orthèse de jambe dotée d'un tel ressort d'appui.
PCT/DE2006/002035 2006-02-16 2006-11-20 Ressort d'appui et orthèse de jambe WO2007093139A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006002575.8 2006-02-16
DE200620002575 DE202006002575U1 (de) 2006-02-16 2006-02-16 Stützfeder und Unterschenkelorthese

Publications (2)

Publication Number Publication Date
WO2007093139A2 true WO2007093139A2 (fr) 2007-08-23
WO2007093139A3 WO2007093139A3 (fr) 2007-11-22

Family

ID=36710114

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2006/002035 WO2007093139A2 (fr) 2006-02-16 2006-11-20 Ressort d'appui et orthèse de jambe

Country Status (2)

Country Link
DE (1) DE202006002575U1 (fr)
WO (1) WO2007093139A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008034750A1 (de) * 2008-07-24 2010-02-04 Otto Bock Healthcare Gmbh Gelenkeinsatz
WO2017173448A1 (fr) * 2016-04-01 2017-10-05 Mathie Blake A Dispositif de stabilisation résistant au glissement et procédés d'utilisation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1389985B1 (fr) 2001-05-31 2005-12-14 F. Gottinger Orthopädie-Technik GmbH Orthese de jambe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486157A (en) * 1994-02-03 1996-01-23 Dibenedetto; Anthony Dynamic multi-angular ankle and foot orthosis device
US5593383A (en) * 1995-03-20 1997-01-14 Detoro; William Securing apparatus for an ankle and foot orthosis
US5961477A (en) * 1998-05-08 1999-10-05 Turtzo; Craig H. Ankle/foot orthosis
DE19905544B4 (de) * 1999-02-10 2008-10-09 Böckh, Thomas Stützfeder
US6432073B2 (en) * 1999-12-23 2002-08-13 Deroyal Industries, Inc. Foot orthosis
DE10305131B4 (de) * 2003-02-07 2006-07-20 Gottinger Handelshaus Gbr Stützfeder und Unterschenkelorthese

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1389985B1 (fr) 2001-05-31 2005-12-14 F. Gottinger Orthopädie-Technik GmbH Orthese de jambe

Also Published As

Publication number Publication date
WO2007093139A3 (fr) 2007-11-22
DE202006002575U1 (de) 2006-07-06

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