WO2020208143A1 - Prothèse de natation - Google Patents

Prothèse de natation Download PDF

Info

Publication number
WO2020208143A1
WO2020208143A1 PCT/EP2020/060162 EP2020060162W WO2020208143A1 WO 2020208143 A1 WO2020208143 A1 WO 2020208143A1 EP 2020060162 W EP2020060162 W EP 2020060162W WO 2020208143 A1 WO2020208143 A1 WO 2020208143A1
Authority
WO
WIPO (PCT)
Prior art keywords
swimming
connecting element
prosthesis
floating
distal end
Prior art date
Application number
PCT/EP2020/060162
Other languages
German (de)
English (en)
Inventor
Michael Rolf
Original Assignee
Universitätsklinikum Münster
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 Universitätsklinikum Münster filed Critical Universitätsklinikum Münster
Publication of WO2020208143A1 publication Critical patent/WO2020208143A1/fr

Links

Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B31/00Swimming aids
    • A63B31/08Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs
    • A63B31/12Swim fins, flippers or other swimming aids held by, or attachable to, the hands, arms, feet or legs held by, or attachable to, the arms or legs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters 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
    • A61F2/50Prostheses not implantable in the body
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0009Games or sports accessories not covered in groups A63B1/00 - A63B69/00 for handicapped persons
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00Space saving
    • A63B2210/50Size reducing arrangements for stowing or transport

Definitions

  • the present invention relates to a swimming prosthesis, in particular a swimming prosthesis for the arms and a swimming prosthesis for the legs.
  • a swim fin is known from US Pat. No. 5,19,450, which was specially developed for use by an amputee.
  • the swim fin has a substantially flat, elongated fin section which is connected to and extends from a receiving pocket.
  • the pocket is used to attach the swim fin to one end of a limb of an amputee.
  • the pocket has two side straps that are wrapped around the amputee's limb and attached to the opposite end of the straps by means of corresponding Velcro fasteners.
  • the object of the present invention is therefore to provide an improved swimming prosthesis.
  • a swimming prosthesis comprising:
  • a connecting element which is used for coupling to an amputation stump of a
  • Amputees in particular an arm stump or leg stump, is formed
  • a floating element which is designed like a shovel and is attached with its proximal end pivotably to the distal end of the connecting element.
  • the swimming prosthesis has the advantage that the shovel-like floating element, which is pivotably connected to the connecting element, allows the movement of a hand or foot to be imitated better than in the previous one fin described in the prior art. Furthermore, the scoop-like floating element can be used to apply a pull to the amputation stump during a corresponding movement. When used as an arm swimming prosthesis, a symmetrical development of the muscles can be supported.
  • the swimming prosthesis can in particular be a swimming arm prosthesis or a swimming leg prosthesis.
  • the floating element can be pivoted with respect to the connecting element between a maximally folded-in position and a maximally unfolded position.
  • the floating element can be pivoted with respect to the connecting element, for example, at an angle a of a maximum of 180 °, a maximum of 135 ° or a maximum of 90 °.
  • the proximal end of the floating element overlaps with the distal end of the connecting element in such a way that in the maximally unfolded position it rests with its distal end on the proximal end of the connecting element. This makes it very easy to prevent the floating element from folding over the predetermined maximum position.
  • the axis of rotation of the floating element runs transversely to the longitudinal axis of the connecting element.
  • the floating element is pivotably connected to the connecting element via two swivel joints.
  • Such swivel joints are easy to implement and have only a low flow resistance.
  • the connecting element is designed at least at its distal end U-shaped with two legs, on which the respective pivot joint is arranged.
  • the connecting element is embodied in the form of a channel and in particular U-shape along its longitudinal axis.
  • the connecting element can additionally have a flow profile, the flow profile being designed in particular to direct water flowing along the connecting element in the direction of the floating element so that the water presses against the floating element and can pivot it towards its maximally unfolded position.
  • the flow profile can for example have a rib in the middle, which extends along the length of the connecting element.
  • At least one intermediate element is provided which is arranged between the connecting element and the floating element in such a way that all three parts can each be pivoted in pairs in the same direction, in particular pivotable on one side.
  • the intermediate element overlaps with its distal end with the proximal end of the floating element and overlaps with its proximal end with the distal end of the connecting element such that the intermediate element in the maximally unfolded position with its distal end at the proximal end of the floating element rests and rests with its proximal end on the distal end of the connecting element.
  • the intermediate element is connected with its distal end via two swivel joints to the floating element and with its proximal end via two swivel joints with the connecting element.
  • Such swivel joints are inexpensive and have a relatively lower flow resistance.
  • the swimming prosthesis is designed as a swimming arm prosthesis or a swimming leg prosthesis.
  • Figure 1 shows a perspective view of a first embodiment of a swimming prosthesis according to the invention.
  • FIG. 2 shows a simplified, schematic side view of the swimming prosthesis according to FIG. 1, the floating element being shown separated from the connecting element.
  • FIG. 3 shows a simplified, schematic sectional view A-A of the swimming prosthesis according to FIGS. 1 and 2.
  • FIG. 4 shows a simplified, schematic side view of a second embodiment of a swimming prosthesis according to the invention.
  • FIG. 5 shows a simplified, schematic exploded view of the swimming prosthesis according to FIG. 4.
  • FIG. 6 shows a simplified, schematic top view of the swimming prosthesis according to FIGS. 4 and 5.
  • FIG. 7 shows a perspective view of the swimming prosthesis according to FIGS. 4, 5 and 6.
  • FIG. 1 shows a perspective view of a first embodiment of a swimming prosthesis 1 according to the invention.
  • FIG. 2 shows a side view and
  • FIG. 5 shows a front view of the swimming prosthesis 1 according to FIG. 1, the representation in FIGS. 1 and 2 being schematically and greatly simplified and not to scale.
  • the arm stump 2 as an example of an amputation stump 2 is only indicated in FIGS. 1 to 5 and the following FIGS. 4 to 6 for better understanding.
  • the swimming prosthesis 1 according to the first embodiment is designed as an arm swimming prosthesis in the example shown in FIGS. 1, 2 and 5.
  • the swimming prosthesis 1 can also be designed as a swimming leg prosthesis. This applies to all embodiments of the invention.
  • the swimming prosthesis 1 has a connecting element 3 which is designed for connection to the amputation stump 2, here the arm or alternatively the leg, and for fastening to the amputee and in particular to the amputation stump 2 thereof.
  • the connecting element is greatly simplified in Figures 1, 2 and 3 and shown purely schematically.
  • the connecting element 3 can be designed to be connected to the amputation stump 2 and attached directly to the amputation stump 2 or, additionally or alternatively, to another suitable part of the amputee's body, such as the shoulder, possibly the upper arm or, in the case of a swimming leg prosthesis, on the trunk etc. to be attached.
  • the connecting element 3 can, as shown in greatly simplified form in FIGS. 1, 2 and 3, for example have at least one side shell 4, which is arranged on the outside of the arm stump or leg stump and is lashed to it by means of at least one belt element (not shown).
  • the connecting element 3 can also have a second side shell, which in turn is arranged on the inside of the arm stump or leg stump and is lashed together with the other side shell 4 to the arm stump or leg stump by means of at least one belt element.
  • the connecting element 3 can also have an end pot (not shown) or funnel (not shown) in which the end of the arm stump or leg stump can be received and by means of at least one belt element or the like is lashed to the arm stump or leg stump or another suitable body part, such as the shoulder, etc.
  • the invention is not limited to the examples mentioned for the design and attachment of the connecting element 3 to the amputee and his amputation stump. Any other type of connecting element can be provided which is suitable for being connected to an amputation stump and attached to the amputee. This applies to all embodiments of the invention.
  • the swimming prosthesis 1 also has a floating element 6 which is designed like a shovel and is pivotably connected to the distal end of the connecting element 3 at its proximal end.
  • the connecting element 3 forms a U-shaped section with two legs 7 at least at its distal end in the exemplary embodiment in FIGS. 1, 2 and 3.
  • the two legs 7 of the U-shaped section serve to receive and rotatable fastening of the floating element 6.
  • the floating element 6 also has a U-shaped section at its proximal end in analogy to the connecting element 3 with two legs 7, which are connected to the legs 7 of the U-shaped portion of the connecting member 3 are rotatably connected.
  • the axis of rotation 8 of the floating element runs e.g. transversely to the longitudinal axis 9 of the connecting element 3.
  • the floating element 6 can be pivoted relative to the connecting element 3 between a maximally folded-in position and a maximally folded-out position.
  • the floating element 6 is designed to be pivotable relative to the connecting element 3 in a predetermined area, for example at an angle a between 0 ° and 90 ° or 0 ° and 135 ° (as in FIG. 1) or 0 ° and 180 °, the floating element 6 is at an angle of 0 ° in a maximally folded position in which the floating element 6 is folded onto the connecting element 3 and the longitudinal axis 10 of the floating element 6 is parallel to the longitudinal axis 9 of the connecting element 3.
  • the angle of 0 ° in the maximum but the folded position of the floating element 6 is only an example.
  • the connecting element and / or the floating element can be designed or provided with at least one additional stop element (not shown) which stops the floating element 6 as soon as it has reached its predetermined maximum collapsed position.
  • the stop element can be formed on the connecting element or floating element or attached to it as a separate component.
  • the floating element 6 is again in relation to the connecting element 3 by an angle ⁇ of e.g. 90 ° or e.g. 135 °, as in Figure 1, or e.g. 180 °, folded outwards or away from the connecting element 3.
  • angle ⁇ e.g. 90 ° or e.g. 135 °, as in Figure 1, or e.g. 180 °, folded outwards or away from the connecting element 3.
  • the angle ⁇ of the maximally unfolded position depends, for example, on the desired angling of the hand to be simulated, which corresponds to the swimming element 6, compared to the arm which corresponds to the connecting element 3 when swimming in the case of a swimming arm prosthesis.
  • the angle a of the floating element 6 with respect to the connecting element 3 can be, for example, an angle a of a maximum of 90 ° or 135 °, as in FIG. 1, or 180 °.
  • the floating element 6 and the connecting element 3 are designed, for example, in such a way that the proximal end of the floating element 6 encompasses or overlaps the distal end of the connecting element 3 and, in the maximally unfolded position, rests against the distal end of the connecting element 3 and thereby unfolds another is prevented.
  • the connecting element 3 acts as a stop element. The floating element 6 is stopped by the connecting element 3 in its predetermined maximally unfolded position. As a result, the floating element 6 cannot unintentionally fold further outwards than desired.
  • the respective angle a of the floating element (which corresponds to the foot) in its maximally folded-in position and its maximally unfolded position relative to the connecting element (which corresponds to the leg) is, for example, dependent on the desired angling of the foot to be simulated chosen depending on the swimming pool.
  • the foot, and more precisely, for example, the tarsal bone with the metatarsal bone can, for example, around the leg be angled at an angle of 90 ° in its maximally folded position or extend lengthwise with the leg forward and form an angle of 180 ° with the leg in its maximally extended position.
  • the range of the angle a by which the swimming element 6 can be pivoted with respect to the connecting element 3 is specified, for example, depending on whether it is a swimming leg prosthesis or a swimming arm prosthesis, as well as a desired swimming movement of the hand or swimming pool to be simulated. of the foot.
  • the invention is not limited to the stated angular ranges for the maximally folded-in position and the maximally unfolded position of the floating element 6 with respect to the connecting element 3.
  • the floating element 6 is rotatably attached to the connecting element 3 on the right and left by means of two swivel joints 12, for example. More precisely, the legs 7 of the connecting element 3 and the floating element 6 are rotatably connected by means of the swivel joints 12, so that the floating element 6 can be pivoted accordingly about the axis of rotation 8. Furthermore, the connecting element 3 and the floating element 6 are preferably designed and pivotably connected to one another, so that as little water as possible can inadvertently flow through between the distal end of the connecting element and the proximal end of the floating element when the floating element 6 follows the connecting element 3 is folded outside.
  • the connecting element 3 in the exemplary embodiment in FIGS. 1, 2 and 3 has, for example, a channel shape, in particular a U shape, for channeling a flow of water when the amputee swims with the swimming prosthesis 1. If the amputee moves the arm with the swimming prosthesis 1 forward, the water pushes the swimming element 6 in the direction of the connecting element 3, ie in the direction of its maximally folded position.
  • the floating element 6 can optionally additionally have a flow profile on its outside or rear side which has the lowest possible flow resistance when the floating element 6 is in its maximally collapsed position. If the amputee then moves the arm with the swimming prosthesis 1 back again, the water presses against the swimming element 6, so that the swimming element 6 is folded outwards.
  • the connecting element S and the floating element 6 are preferably designed and pivotably connected to one another so that their ends overlap so that as little water as possible can flow past the connecting element S past the proximal end of the floating element 6. Instead, as much water as possible flows from the connecting element S against the floating element 6 and presses against it, so that the floating element 6 is pushed outwards, for example by an angle a of 135 °, for example, as in FIG. 1.
  • the floating element 6 pushes into its maximally unfolded position with its proximal end on the distal end of the connecting element 3 and cannot be pivoted any further beyond the predetermined maximum angle.
  • the connecting element 3 can optionally additionally have a flow profile 5 or a flow contour on its outside, as stated above, as shown in FIGS. 1 and 3.
  • the flow profile 5 can be designed in such a way that it guides the water along the outside of the connecting element 3 towards the floating element 6.
  • the connecting element 3 may not only have a U-shaped section at its distal end but also be channel-shaped, for example U-shaped, along its entire length and be closed at its end, as in FIG. 1, or also be open, as in FIG The following Figure 5.
  • the flow profile 5 of the connecting element 3 can have at least one rib 13 in the middle, which runs along the length of the connecting element 3 and tapers towards the end of the connecting element 3, for example in width and / or height .
  • the rib 13 has, for example, a triangular or wave-shaped cross-section which tapers in width and height in the longitudinal direction of the connecting element from a proximal end to its distal end.
  • the invention is not limited to this specific configuration of the cross section of the rib.
  • the floating element 6 is designed in the shape of a scoop. This has the advantage that an additional flow resistance can be generated. The swimming prosthesis 1 thus generates a pull on the arm with its floating element 6 when the arm is moved back, similar to what is the case with the amputee's healthy arm when the latter moves the arm back while swimming and thereby folds the hand outward.
  • the swimming prosthesis 1 simulates the healthy arm with the hand folded outwards with its swimming element 6. This has the advantage that the most uniform possible arm pull can be achieved in the healthy arm and in the amputated arm and thus an even development of the muscles on both Sides of the amputee's body. As a result, the amputee's muscles can be developed symmetrically and an incorrect posture can be counteracted. As soon as the amputee then moves his arm forward again while swimming, the swimming element 6 is pivoted by the water pressure in the direction of the connecting element S and in the direction of the maximally collapsed position.
  • shovel-shaped floating element 6 shown in FIGS. 1, 2 and 5
  • this has a, for example, round and additionally recessed section.
  • the invention is not restricted to this specific embodiment. Any other suitable shovel shape can be provided for the floating element 6, in which case the shovel shape can in principle also be designed to be flat instead of a depression. This applies to all embodiments of the invention.
  • the connecting element S is composed of two parts, i.e. a first outer shell and coupling part 14 and a second flow profile part 15 which are fastened to one another, for example by means of screwing, riveting, gluing, pinning, bolting and / or welding.
  • fastening by means of screws 11 is shown.
  • the first shell and coupling part 14 is designed to be fastened with a shell section to the amputation stump 2 by means of at least one strap element and, furthermore, to be fastened pivotably by a coupling section To allow floating elements 6 on the connecting element S, for example by means of two pivot bearings 12.
  • the second flow profile part 15 in turn provides the flow profile of the connecting element S and, as described above, has a flow profile 5 with, for example, an open or closed U-shape at the end with at least one rib IS along the length of the connecting element 3.
  • the first shell and coupling part 14 and the second flow profile part 15 of the connecting element 3 can be produced particularly easily and inexpensively as separate components and then releasably or non-releasably attached to one another to provide the connecting element 3.
  • the first shell and coupling part 14 and the second Flow profile part 15 can also be formed in one piece, for example as an injection molded part or a fiber composite part.
  • FIGS. 4, 5, 6 and 7 A second embodiment of the swimming prosthesis 1 according to the invention is shown in FIGS. 4, 5, 6 and 7.
  • the swimming prosthesis 1 according to the second embodiment differs from the swimming prosthesis 1 of the first embodiment according to Figures 1, 2 and 3 essentially in that the swimming prosthesis 1 according to the second embodiment is designed in three parts instead of two parts, like the first embodiment, and as the third part, in addition to the connecting element 3 and the floating element 6, has an additional intermediate element 16 which connects the connecting element 3 and the floating element 6 to one another.
  • the statements relating to the first embodiment therefore also apply correspondingly to the second embodiment.
  • FIG. 4 shows a side view of the second embodiment of a swimming prosthesis 1 according to the invention and
  • FIG. 5 shows a simplified, schematic exploded view of the swimming prosthesis 1.
  • FIG. 6 again shows a simplified, schematic top view of the swimming prosthesis 1 and
  • FIG. 7 shows a perspective view of the swimming prosthesis 1 according to FIG of FIGS. 4, 5 and 6.
  • the swimming prosthesis 1 according to the second embodiment is also designed, for example, as a swimming arm prosthesis.
  • the swimming prosthesis 1 has a connecting element S which is designed for connection to the amputation stump 2, here the arm or, alternatively, the leg, and for attachment to the amputee and in particular to his amputation stump 2.
  • the second embodiment can also be designed as a swimming leg prosthesis.
  • the connecting element 3 is greatly simplified in FIGS. 4, 5, 6 and 7 and is shown purely schematically and not to scale.
  • the connecting element 3 is designed to be connected to the amputation stump 2 and attached directly to the amputation stump or, additionally or alternatively, indirectly to another suitable part of the amputee's body, e.g. the shoulder, possibly upper arm, etc. to be attached.
  • the connecting element 3 is designed to be connected to the leg stump and attached directly to the leg stump or, additionally or alternatively, indirectly to another suitable part of the amputee's body, e.g. the trunk, etc.
  • the connecting element 3 can for example have at least one shell, in particular side shell 4, which is arranged on the outside of the amputation stump 2 and lashed to it by means of at least one strap element.
  • the connecting element 3 can also have a second side shell, which in turn is arranged on the inside of the amputation stump 2 and is lashed together with the other side shell 4 to the amputation stump 2 by means of at least one strap element.
  • the connecting element 3 can also have an end pot or a funnel, in which the end of the amputation stump 2 can be accommodated and is lashed to the amputation stump and / or another suitable part of the body, such as the shoulder, trunk, etc., by means of at least one belt element.
  • the invention is not limited to the examples mentioned for designing and securing the connecting element 3 on the amputee. Any other connecting element can be used to attach the swimming prosthesis to an amputation stump.
  • FIGS. 4, 5, 6 and 7 can, as before in the figures 1, 2 and 3, optionally additionally on its outside, for example the first or outer side shell 4, can be provided with a flow contour or flow profile.
  • the swimming prosthesis 1 according to the second embodiment of the invention has a swimming element 6 which is designed like a shovel.
  • the additional intermediate element 16 is provided, which connects the connecting element 3 to the floating element 6.
  • the intermediate element 16 is pivotably connected with its proximal end to the distal end of the connecting element 3 and with its distal end pivotably connected to the proximal end of the floating element 6.
  • the proximal end of the intermediate element 16 encompasses e.g. the distal end of the connecting element 3 and the distal end of the intermediate element 16 are e.g. encompassed by the proximal end of the floating element 6.
  • the intermediate element 16 is arranged between the connecting element 3 and the floating element 6 in such a way that all three parts can each be pivoted in pairs to one another in the same direction.
  • the intermediate element 16 is at least in the region of its two ends, i.
  • the intermediate element 16 can be pivotably connected to the connecting element 3 or the floating element 6 with its distal ends or proximal end and, more precisely, its legs 7 by means of two swivel joints 12.
  • the invention is not limited to this special embodiment of the pivotable connection by means of two swivel joints 12. Any other type of pivotable connection of the intermediate element 3 with the floating element 6 and the connecting element 16 can be provided, depending on the function and intended use. This applies to all embodiments of the invention.
  • the floating element 6 is pivotably connected to the connecting element 3 by the intermediate element 16 in such a way that the floating element 6 can be pivoted with respect to the connecting element 3 between a maximally folded-in position and a maximally unfolded position.
  • the connecting element 3, together with the intermediate element 16 can form an angle of 0 ° with respect to the connecting element 3, for example, as shown in FIGS. 4 and 7, and in the completely unfolded position an angle of, for example, 90 °, as in FIG. 6, 135 ° or 180 °, as before the floating element according to the first embodiment in FIGS. 1 and 2.
  • the intermediate element 16 can also, for example, be folded in the maximally folded-in position, similar to the carpal bone of a hand to be simulated, for example only by an angle of 90 ° with respect to the connecting element 3 and in the maximally extended position by an angle of 180 ° or 225 ° be folded relative to the connecting element 3.
  • the swimming prosthesis is designed as a swimming leg prosthesis and in this case, for example, the intermediate element 16, similar to the foot (and more precisely the tarsal bone and the metatarsal bone), is angled at an angle of 90 ° relative to the leg, for example, in its maximally folded position or itself Extend the length of the leg forward and form an angle of 180 ° with the leg in its maximally unfolded position.
  • the range of the angle by which the swimming element 6 or the intermediate element 16 can be pivoted relative to the connecting element 3 is set in the swimming prosthesis 1, for example, depending on whether it is a swimming leg prosthesis or a swimming arm prosthesis, as well as a desired swimming movement to be simulated Hand or foot.
  • the invention is not limited to the stated angular ranges for the maximally folded-in position and the maximally unfolded position of the floating element 6 with respect to the connecting element 3.
  • the floating element 6 and the intermediate element 16 are preferably designed such that the proximal end of the floating element 6 engages around the distal end of the intermediate element 16 or both ends overlap as in Figure 4, so that in the maximally unfolded position the proximal end of the floating element 6 rests against the distal end of the intermediate element 16 and a further unfolding is thereby prevented.
  • the intermediate element 16 and the connecting element 3 are designed in such a way that the proximal end of the intermediate element 16 engages around the distal end of the connecting element 3 or the two ends overlap (as in FIG.
  • the connecting element 3, the intermediate element 16 and / or the swimming element 6 can be designed with a stop element (not shown) which stops the swimming prosthesis 1 as soon as it has reached its predetermined maximum folded position.
  • the stop element of the connecting element 3 is arranged in such a way that the intermediate element 16, when it is pressed in the direction of the connecting element 3, is stopped by the stop element in a predetermined folded-in position. Additionally or alternatively, the intermediate element 16 can also be provided with such a stop element. The same applies to the stop element of the floating element 6. This is arranged in such a way that the floating element 6, when it is pressed in the direction of the intermediate element 16, is stopped by the stop element in a predetermined folded-in position. In addition or as an alternative, the intermediate element 16 can also be provided with such a stop element which stops the floating element 6 from folding in further. In this way, a defined, fully folded position of the swimming prosthesis can be set in a targeted manner.
  • the connecting element 3 and the intermediate element 16 as well as the intermediate element 16 and the floating element 6 are preferably each designed such that their ends overlap or encompass one another, as shown in FIG. 4, so that when the floating element 6 is between the maximally folded position and the maximum unfolded position is pivoted, as little water as possible can flow through between the ends.
  • This has the advantage that as little water as possible can inadvertently flow between the distal end of the connecting element 3 below the proximal end of the intermediate element 16 and between the distal end of the intermediate element 16 and the proximal end of the floating element 6 when the floating element 6, for example, after is folded outwards, for example at an angle of 90 ° with respect to the connecting element 3, similar to a hand or a foot.
  • the connecting element 3 in the second exemplary embodiment in FIGS. 4, 5, 6 and 7 has a channel shape, for example a U-shape, for channeling a flow of water when the amputee swims with the swimming prosthesis 1. If the amputee moves the arm with the swimming prosthesis 1 forward, the water pushes the swimming element 6 and the intermediate element 16 connected to it in the direction of the connecting element 3, ie in the direction of its maximally folded position.
  • the floating element 6 and / or the intermediate element 16 can optionally also have a flow profile on its outside or back, which has the lowest possible flow resistance when the floating element 6 and the intermediate element 16 are in the maximally folded position.
  • the connecting element 3 the intermediate element 16 and the floating element 6 are preferably designed and pivotably connected to one another that their ends encompass or overlap, as shown in FIG. As a result, as little water as possible flows unhindered past the connecting element 3 and under the proximal end of the intermediate element 16 and the proximal end of the floating element 3.
  • the connecting element 3 can additionally have a flow profile or a flow contour on its outside, like the connecting element of the first embodiment.
  • the swimming prosthesis 1 according to the invention can also have further intermediate elements.
  • the connecting element 16 according to the second embodiment can furthermore be formed, like the connecting element of the first embodiment, composed of two parts, ie a first outer shell and coupling part and a second flow profile part (not shown), which are fastened to one another, for example by means of screwing or riveting , Gluing, pinning, bolting and / or welding. Reference is made here to the description of FIGS. 1, 2 and S.
  • the first shell and coupling part and the second flow profile part of the connecting element S can be produced as separate components and then fastened to one another in a detachable or non-detachable manner to provide the connecting element.
  • the first shell and coupling part and the second flow profile part can also be designed in one piece, for example as an injection molded part or a fiber composite part.
  • a swimming prosthesis is also disclosed herein, comprising:
  • a connecting element which is designed for coupling to an amputation stump of an amputee
  • a floating element which is designed like a shovel and is attached with its proximal end pivotably about an axis to the distal end of the connecting element; wherein the floating element can be pivoted with respect to the connecting element between a maximally folded-in position and a maximally folded-out position, the floating element being folded onto the connecting element in the maximally folded-in position.

Abstract

La présente invention concerne une prothèse de natation (1), comprenant : un élément de raccordement (3), qui est conçu pour être couplé à un moignon d'un amputé ; un élément flottant (6), qui est conçu sous la forme d'une pelle et qui est fixé avec son extrémité proximale de manière pivotante à l'extrémité distale de l'élément de raccordement (3).
PCT/EP2020/060162 2019-04-11 2020-04-09 Prothèse de natation WO2020208143A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019109538.7 2019-04-11
DE102019109538 2019-04-11

Publications (1)

Publication Number Publication Date
WO2020208143A1 true WO2020208143A1 (fr) 2020-10-15

Family

ID=70553999

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/060162 WO2020208143A1 (fr) 2019-04-11 2020-04-09 Prothèse de natation

Country Status (1)

Country Link
WO (1) WO2020208143A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1761704U (de) * 1957-11-04 1958-02-20 Herbert Kersten Prothese zur anbringung von schwimmflossen.
US5139450A (en) 1990-05-18 1992-08-18 Steele Gareth E Swim fin for an amputee
US6126502A (en) * 1999-10-06 2000-10-03 Hull; Martin Philip Diving fin
CN208319871U (zh) * 2018-06-21 2019-01-04 浙江海洋大学 一种义肢脚蹼

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1761704U (de) * 1957-11-04 1958-02-20 Herbert Kersten Prothese zur anbringung von schwimmflossen.
US5139450A (en) 1990-05-18 1992-08-18 Steele Gareth E Swim fin for an amputee
US6126502A (en) * 1999-10-06 2000-10-03 Hull; Martin Philip Diving fin
CN208319871U (zh) * 2018-06-21 2019-01-04 浙江海洋大学 一种义肢脚蹼

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KENNETH RIPPETOE: "One with the Water Design Of A Prosthetic Swimming Leg", 3 May 2013 (2013-05-03), pages 1 - 5, XP055281904, Retrieved from the Internet <URL:http://onewiththewater.org/design-prosthetic-swimming-leg/> [retrieved on 20160620] *

Similar Documents

Publication Publication Date Title
DE2404481C2 (de) Ellbogengelenk-Endoprothese
DE102006046928B4 (de) Prothese mit einem Schaft zur Aufnahme eines Amputationsstumpfes
EP3190920B1 (fr) Poignée de canne comportant une dragonne
DE2063547A1 (de) Ellenbogengelenkprothese
DE2654364A1 (de) Seitenbandprothese fuer kniegelenke
DD146546A5 (de) Vorrichtung fuer das koerpertraining und fuer die physiotherapie
EP2524672B1 (fr) Articulation pour soutiens, orthèses ou prothèses du genou
DE112005000570T5 (de) Kniescheiben-Oberschenkelorthese
DE2718497A1 (de) Schibindung
DE3304801A1 (de) Schlitten
EP3307105B1 (fr) Chaussure réglable
WO2020208143A1 (fr) Prothèse de natation
DE3734847A1 (de) Vorrichtung zur verbindung zwischen ski-spitzen
DE1147711B (de) Abduktionsschiene
DE102006037327B4 (de) Stock mit einem Griff und einer Federung
DE2841683A1 (de) Beinprothese mit kniegelenk
DE102013004544B4 (de) Prothesenkniegelenk mit Kniegelenksperre
DE2802568A1 (de) Kniegelenkprothese
DE102009047821A1 (de) Gleitbrettbindung mit Montagedeckel
DE19618321C2 (de) Kniegelenkendoprothese
DE102018122114B4 (de) Trainingsgerät für das Wassertraining
DE102004056775A1 (de) Vorrichtung zum lösbaren Verbinden einer Stumpffassung mit einem Prothesenunterteil
EP1600129B1 (fr) Articulation d&#39;abduction pour la marche pour la fixation entre et à côté des cuisses
WO2008148749A1 (fr) Stabilisateur pour un dispositif d&#39;attelage à trois points
DE102018118363B3 (de) Befestigungseinrichtung zur Befestigung eines Prothesenschaftes an einem Prothesenkniegelenk und Prothesenkniegelenk

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20723994

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20723994

Country of ref document: EP

Kind code of ref document: A1