• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention has a proximal portion (1) and is capable of rotating in a positive direction (5) and in a negative direction (6) relative to the distal portion (2) in response to the action of a spring-elastic torsional member. A torsional device for prostheses. In order to enlarge the functional area, the torsional member 4 provides another torsional characteristic in the positive rotational direction 5 as compared to the torsional characteristic in the negative rotational direction 6.
    公开号:KR20030003079A
    申请号:KR1020020036872
    申请日:2002-06-28
    公开日:2003-01-09
    发明作者:스키에라리차드
    申请人:오토 복 헬스케어 게엠베하；
    IPC主号:
    专利说明:

    Torsion apparatus of surgical prosthesis {TORSION DEVICE OF SURGICAL PROSTHESIS}
    [9] The present invention has a proximal portion and is capable of rotating in a positive and negative direction relative to the distal portion in response to the action of the spring resilient torsional members, the torsional member having a torsional characteristic in the negative direction of rotation Compared to a torsional device of a surgical prosthesis that provides different torsional properties in a positive direction of rotation.
    [10] The shock absorber is inserted into the surgical prosthesis for spring shock relief and absorption against ground reaction forces. Ground reaction forces act on the cut and other bodies by contacting the ground through the prosthesis and shaft during walking, running or leaping.
    [11] Spring shock mitigation and absorption of these burdens on sensitive cuts and the body help to reduce problems with cuts, avoid overloading muscle and skeletal devices, and improve patient comfort. The rotational capacity of the device compensates for the lack of rotational ability of the hip in the pelvis by engaging the shaft with the rigid cut site when the thigh is cut. In this case, the internal rotation of the foot with respect to the pelvis during the change in the walking cycle is of special significance. Patients feel very comfortable and stable when going out in the field because of the high rotational stiffness (stop or initial moment) for small bending of the shock absorber.
    [12] The torsion device described at the outset can be cited in DE 196 37 173 A1. Prosthetic supports with a compressible flow volume closed therein to support the weight of the patient are known. Such a support includes a first end that can be secured to a bone cutting site of a patient and a second end opposite the first end, the second end being capable of connecting to the foot prosthesis and with respect to the first end of the support. Can rotate around the longitudinal axis. The first and second ends are coupled via a torsion spring, which torsionally resists clockwise rotation with a first modulus of elasticity and a counterclockwise rotation with a second modulus of elasticity, which is the bone cutting site of the patient. Depending on whether is right or left, the rotation is chosen in various ways for the first modulus of elasticity.
    [13] It is an object of the present invention to improve its function in view of the torsional device mentioned at the outset.
    [14] The object according to the invention is that, starting from the torsional device mentioned at the outset, the torsional device comprises two separate torsional members, the torsional members having different spring characteristics, each of which a brace placed thereon under compression Interposed between them, one of the two torsional members is solved by acting only in one of both directions of rotation, i.e. in the positive or negative rotational direction.
    [15] In the definition of the present invention and the following description, the proximal portion may represent the distal portion, the distal portion may represent the proximal portion, and the torsion spring element may comprise a group of torsion spring elements.
    [16] The expression "spring elastic" is to be understood as being elastic and / or viscous, elastic and / or frictional spring elements and viscous, plastic spring elements.
    [17] In a specific embodiment, the two torsional spring elements are formed by two annular segments of elastomer, each of which is directly directed to the brace of the proximal portion and to the distally restrained brace in the distal portion when viewed axially. Or indirectly supported.
    [18] Two torsion spring elements are supported on the sides of the braces with their respective first ends facing each other in the circumferential direction, in order to achieve a dense configuration and positive action, each of which the second ends being supported on each second brace. And wherein the second braces are each displaceably supported on the distal portion with respect to the torsion spring elements which contact them by at least a few degrees of arc angle in the circumferential direction.
    [19] It is desirable to tailor the characteristics of the patient's needs where the torsion spring elements can be exchanged.
    [20] In other embodiments it is also preferred that the second brace is displaceably supported in the circumferential direction, where only one of the second braces can be displaced with respect to the torsional member supported thereon, while the other of the second braces is further supported by an additional brace. The compression force continues to be applied. This solution is at very high initial stiffness.
    [21] According to the invention, the rotational properties of the torsion device can be distinguished and individually adjusted, for example in connection with the inner and outer rotations. Thus, differently adjustable torsional stiffness induces "weak" medial rotation and offers the possibility to remain more stable during heel impact and toe repulsion through "strong" lateral rotation. For the patient's stability, it is important that no rotation occurs even with slight torsional moments. The rotational direction dependent action of the torsional spring element achievable according to the invention can form the same rotational direction dependent stop moment with respect to the compressive force of this spring element.
    [22] In addition to the load through the torsional moment, the torsional device is preferably combined with a shock absorbing system with an axial spring element, since the axial force acts in the form of impact on the surgical prosthesis and the human motion device, which is the axial spring element. The distal end is supported on the distal portion and the proximal end is guided to the distal portion in the form of a telescope.
    [23] Further features of the invention are the subject of the dependent claims and will be described in detail with reference to the examples in combination with the further advantages of the invention.
    [1] 1 is a longitudinal cross-sectional view of a torsion device.
    [2] 2 is a cross-sectional view of the torsion device according to FIG. 1 along the line B-B in FIG.
    [3] <Explanation of symbols for the main parts of the drawings>
    [4] 1: proximal portion 2: distal portion
    [5] 3, 4: torsion spring element 5, 6: rotation direction
    [6] 7, 8, 9, 11, 12: brace 10: carrier
    [7] 15 axial spring element 16 screw
    [8] 17 plug 20 stop spring element
    [24] The drawings illustrate embodiments of the invention which serve as examples.
    [25] The torsional device shown comprises a proximal portion 1 which is axially guided to the distal portion 2 in the form of a telescope. These two parts (1) (2) can rotate in the positive and negative direction of rotation relative to each other with respect to the action of the spring-elastic torsional member. When inserting such a torsional device in a lower prosthesis, for example, the proximal portion 1 may be engaged with the prosthetic wearer's cutting site, while the distal portion 2 may be engaged with the prosthetic foot.
    [26] In the embodiment shown, the torsional member comprises two separate torsional spring elements 3 and 4 with different spring characteristics, with only one of these torsional spring elements being one of both directions of rotation, i.e. 5) or only in the negative direction of rotation 6. The two torsional spring elements 3 and 4 are then formed in two annular segments consisting of elastomers, which annular segments are restrained relative to the distal portion 2 by their respective first ends. It is supported on the side surfaces 7a, 7b facing each other in the circumferential direction of 7), while being supported on each second brace 8, 9 by its respective second end. The second braces 8, 9 are supported so as to be displaceable in the distal portion 2 by at least a few degrees of arc angle in the circumferential direction against the torsion spring elements 3, 4, which are in contact therewith. Two displaceable braces 8, 9 are supported by the carrier 10, which forces them when relative rotation takes place and is fixed to the proximal portion 1.
    [27] The torsion spring elements 3, 4 are inserted between the braces 7, 8, 7, 9 belonging to them in the state of being pressed against the circumferential sides opposite to each other. In this case, in certain embodiments, the second brace 8, 9 can be movably supported in the circumferential direction, and only one of the second braces is displaced relative to the torsion spring element 3, 4 supported thereon. Whereas, one of the second braces is further compressed by the additional braces 11, 12. According to FIG. 2, two additional braces 11, 12 are each formed of fins, which are firmly mounted to the distal portion 2, the free end of which is directed to the second brace 8 ( It protrudes into the displacement nut 8a (9a) of 9).
    [28] The torsional spring elements 3 and 4 can be replaced, so it is basically also possible to replace one of the torsional spring elements with a substantial stiffness element, which reverses the rotation of the two parts 1 and 2 in both directions of rotation. (5) It almost blocks in the direction of one of (6).
    [29] In the embodiment shown, the torsion spring elements 3 and 4 consist of a significant incompressible elastomer and bend into free spaces 13 and 14 which are structurally provided by the carrier 10 during torsional action. The free space can be dimensioned such that the usual increase in the spring characteristics of the torsion spring element 3, 4 translates into a strong rise at the end of the torsional rotation.
    [30] It is possible that basically two displaceable braces 8, 9 simultaneously form a bearing bush for the proximal portion 1, which is inserted into the distal portion 2 by a tubular support.
    [31] The carrier 10 is correctly or forcibly inserted between two displaceable braces 8, 9.
    [32] The torsional device shown is also equipped with a shock absorbing system with an axial spring element 15, which is the head of the compression screw 16 whose distal end is screwed into the proximal portion 1. And its proximal end is supported by a sealing plug 17 screwed into the proximal portion 1. This compression screw 16 allows the compression force to be stably provided to the axial spring element 15. The sealing plug 17 serves to seal the opening, whereby the axial spring element 15 can be exchanged.
    [33] The axial spring element 15 is formed by an elastomeric rod consisting of a significant incompressible elastomer and bent into a free space that is structurally prepared for this under axial load, which is a common increase in the spring properties of the elastomeric rod. Can be dimensioned to translate into a strong rise at the end of the axial spring deflection force.
    [34] The maximum axial spring deflection force is limited by the nonlinear limit stop spring element 19, which is formed of an elastomer ring confined in the distal portion 2. In the torsion device not constrained by the axial force, the proximal portion 1 is in contact with the upper stop spring element 20 which forms the boundary of the hub by the annular shoulder 1a. A screw cap 21 is also provided that is screwed to the proximal end of the distal portion 2 and forms part of a telescopic guide that is suitable for the proximal portion 1.
    [35] According to the present invention, the torsion device can rotate in a positive and negative direction relative to the distal portion in response to the action of the spring resilient torsional members. This torsional member provides different torsional characteristics in the positive rotational direction as compared to the torsional characteristics in the negative rotational direction.
    权利要求:
    Claims (23)
    [1" claim-type="Currently amended] Having a proximal portion (1), capable of rotating in a positive direction (5) and a negative direction (6) relative to the distal portion (2) in response to the action of a spring-elastic torsional member; Is a torsional device of a surgical prosthesis that provides a different torsional characteristic in the positive rotational direction 5 as compared to the torsional characteristic of the negative rotational direction 6,
    The torsional member comprises two separate torsional spring elements (3) (4) providing different spring characteristics, the torsional spring elements providing different spring characteristics, each of which has its own support (7,8 or 7,9) are inserted under compression so that only one (3 or 4) of the two torsional spring elements is in one of the two rotational directions (5 or 6), ie in the positive or negative rotational direction only. Torsion apparatus of the surgical prosthesis, characterized in that acting only in the direction.
    [2" claim-type="Currently amended] 2. The torsional spring element (3) (4) according to claim 1, wherein the two torsional spring elements (3) (4) are formed from two annular segments consisting of elastomers, the annular segments being respectively viewed in the direction of rotation of the carrier (10) of the proximal portion (1). ) And a torsional device of a surgical prosthesis, characterized in that it is directly or indirectly supported by a brace (7) that is restrained relative to the distal portion (2).
    [3" claim-type="Currently amended] 3. The two torsional spring elements (3) (4) according to claim 2 are supported on the sides (7a) (7b) of the brace (7) with their respective first ends facing each other in the circumferential direction, respectively. A second end of the torsion spring element (3), which is supported on each second brace (8) (9), the second brace (8) (9) respectively contacting it by at least several degrees of arc angle in the circumferential direction A torsional device of surgical prosthesis characterized in that it is supported on the distal portion (2) so as to be displaceable with respect to (4).
    [4" claim-type="Currently amended] 4. The second brace (8) (9) according to claim 3, wherein the second brace (8) (9) is displaceably supported in the circumferential direction so that only one of the second braces is displaceable to the torsion spring element (3) (4) supported thereon. The other one of the second braces is a torsional device of the surgical prosthesis, characterized in that it is kept under compression by the additional braces (11) (12).
    [5" claim-type="Currently amended] 5. The torsion device of claim 1, wherein the spring element is interchangeable. 6.
    [6" claim-type="Currently amended] 6. The carrier 10 according to claim 3, characterized in that a carrier 10 is provided on the proximal portion 1 for forcing the displaceable second brace 8, 9. Torsion device of the prosthesis.
    [7" claim-type="Currently amended] 7. The free space (13) according to any one of claims 2 to 6, wherein the spring elements (3) (4) consist of a significant incompressible elastomer and which are structurally provided for this via the carrier (10) during torsional action. Torsion apparatus of the surgical prosthesis, characterized in that it is curved into ().
    [8" claim-type="Currently amended] 8. The torsional device of claim 7 wherein the free space is dimensioned such that a gentle increase in spring characteristics translates into a strong rise at the end of the torsional rotation.
    [9" claim-type="Currently amended] 9. The proximal portion (1) according to any one of claims 3 to 8, wherein the two displaceable braces (8) (9) are simultaneously inserted into the distal portion (2) by tubular supports. Torsion apparatus of the surgical prosthesis, characterized in that for forming a bearing bush for.
    [10" claim-type="Currently amended] 10. A torsional device as claimed in any one of the preceding claims, characterized in that it provides only a common first brace (7) for the two spring elements (3) (4).
    [11" claim-type="Currently amended] 11. A torsional device as claimed in any of claims 4 to 10, characterized in that the carrier (10) is precisely or forcibly inserted between the two displaceable braces (8) (9).
    [12" claim-type="Currently amended] 12. An axial spring element (15) according to any one of the preceding claims, wherein the distal end is supported on the distal portion (2) and the proximal end is telescopically connected to the distal portion (2). Torsion apparatus of a surgical prosthesis, characterized in that it has a shock absorbing system supported on the guided proximal portion (1).
    [13" claim-type="Currently amended] 13. A torsional device as claimed in claim 12, characterized in that the axial spring element (15) is interchangeably inserted.
    [14" claim-type="Currently amended] 14. A torsional device as claimed in claim 12 or 13, comprising a compression screw (16) capable of continuously supplying a compressive force to said axial spring element (15).
    [15" claim-type="Currently amended] 15. The opening according to any one of claims 12 to 14, characterized in that the proximal portion (1) is formed with a closing opening via a sealing plug (17) for the exchange of the axial spring member (15). Torsional device of surgical prosthesis.
    [16" claim-type="Currently amended] 16. A torsional device as claimed in claim 15, characterized in that the sealing plug (17) simultaneously constitutes a compression screw.
    [17" claim-type="Currently amended] 17. A torsional device as claimed in any of claims 12 to 16, characterized in that the maximum axial spring deflection force is determined by the limit stop spring element (19).
    [18" claim-type="Currently amended] 18. A torsional device as claimed in claim 17, characterized in that the limit stop spring element (19) is nonlinear.
    [19" claim-type="Currently amended] 19. A torsional device as claimed in claim 17 or 18, characterized in that the limit stop spring member (19) is formed of an elastomer ring constrained to the distal portion (2).
    [20" claim-type="Currently amended] 20. The towing device according to any one of claims 12 to 19, wherein in a torsional device that is not constrained by axial forces, the proximal portion 1 is defined by an upper stop spring element, which defines a hub boundary by an annular shoulder 1a. 20) torsional device of a surgical prosthesis, characterized in that contact with.
    [21" claim-type="Currently amended] 21. A method according to any one of claims 12 to 20, comprising a screw cap (21) which forms a telescopic guide for the proximal portion (1) and which is screwed to the proximal end of the distal portion (2). Torsion apparatus of the surgical prosthesis, characterized in that.
    [22" claim-type="Currently amended] 22. A torsional device as claimed in any of claims 12 to 21, characterized in that the axial spring element (15) is formed of an elastomeric rod.
    [23" claim-type="Currently amended] 23. The elastomeric rod (15) according to claim 22, wherein the elastomeric rod (15) consists of a significant incompressible elastomer and bends into a free space (18) structurally provided for this during axial action, the free space being subjected to a gentle increase in spring properties. A torsional device of surgical prosthesis, characterized in that it is dimensioned to translate into a strong rise at the end of the axial spring deflection force.
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    同族专利:
    公开号 | 公开日
    RU2002117386A|2004-01-20|
    DE10131159A1|2003-01-23|
    JP2003033377A|2003-02-04|
    JP3923859B2|2007-06-06|
    US6827343B2|2004-12-07|
    AU4892402A|2003-01-02|
    KR100715086B1|2007-05-07|
    EP1275355B1|2007-05-30|
    CN1395911A|2003-02-12|
    RU2245691C2|2005-02-10|
    CA2391257C|2008-09-02|
    CA2391257A1|2002-12-29|
    US20030018393A1|2003-01-23|
    DE50210222D1|2007-07-12|
    EP1275355A1|2003-01-15|
    CN1171568C|2004-10-20|
    TW529941B|2003-05-01|
    AU783288B2|2005-10-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2001-06-29|Priority to DE10131159A
    2001-06-29|Priority to DE10131159.1
    2002-06-28|Application filed by 오토 복 헬스케어 게엠베하
    2003-01-09|Publication of KR20030003079A
    2007-05-07|Application granted
    2007-05-07|Publication of KR100715086B1
    优先权:
    申请号 | 申请日 | 专利标题
    DE10131159A|DE10131159A1|2001-06-29|2001-06-29|Torsion device of an exoprosthetic system|
    DE10131159.1|2001-06-29|
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