• 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:
    Valve for socket (2) prosthesis, the socket (2) defining a cavity (6) open to receive a limb (7) amputated limb and delimiting a through hole (10) opening into the cavity (6) and intended to receiving the valve, the valve comprising a support (11) in which a through channel (12) is formed and a member (13) movable between a discharge position in which the member (13) allows an air passage out the channel (12) in only one evacuation direction (A) and a closed position in which the member (13) prevents an air passage inside the channel (12) in a direction (B) opposed to the evacuation direction (A), the support (11) comprising a fixing means (14) configured to releasably mount the support (11) within the through-hole (10), and to allow disassembly of the support (11) in the direction (B) opposite to the evacuation direction (A).
    公开号:FR3051353A1
    申请号:FR1654391
    申请日:2016-05-18
    公开日:2017-11-24
    发明作者:Pierre Chabloz
    申请人:CHABLOZ COMPOSANTS；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION The invention relates to prosthesis socket valves, and more particularly to prostheses for lower limbs. State of the art
    Currently, prostheses are used to replace a missing part of an amputated limb, such as an arm or a leg. The prostheses comprise a socket, that is to say a nesting shell, on which is fixed a prosthetic limb. The socket delimits an open cavity to receive the stump of the amputated limb. Moreover, in order to maintain the socket integral with the stump, the residual air between the socket and the stump is driven through a through hole in the socket. More particularly, a valve is housed in the through hole to prevent an introduction of air into the cavity and to allow an expulsion of air outside the cavity. Such a valve is of the non-return type, or unidirectional, because it allows the flow of air in a single direction in normal operation.
    For example, French patent applications FR2903294 and FR2903295 disclose a prosthesis plug movable between a closed position and a release position of a through hole in the prosthesis. The cap is equipped with an air evacuation valve out of the cavity of the prosthesis and prohibiting the entry of air into the cavity. The valve comprises a flexible member having an opening which is normally closed and which opens under the effect of a deformation of the flexible member caused by a thrust of air from the cavity of the prosthesis.
    French patent application FR2994381 discloses an automatic valve plug of the non-return type for a socket in the form of a vacuum prosthesis shell, comprising a fastening base provided with a tubular nozzle intended to be assembled with an orifice of the socket, and provided with a support member of the air evacuation valve out of the socket and prohibition of air intake inside the socket. The support member is movable by pivoting to occupy a remote position where the valve is remote from the orifice, and the base is equipped with a retention beak of the support member. In addition, the valve is clipped on the upper part of the support element.
    However these valve caps are not suitable for all types of prostheses. Indeed, the prostheses can be covered with a foam aesthetic and a cover fabric, silicone, or polyurethane. In addition, the valves that have just been described are very sensitive to dust that prevents them from functioning properly. It is therefore necessary to clean the valves regularly, and one must then disassemble the cover and aesthetics to access the valves.
    OBJECT OF THE INVENTION The object of the invention is to remedy these drawbacks, and more particularly to provide a valve easy to maintain and which ensures the maintenance of the junction between the socket and the stump of the amputated limb.
    Another object of the invention is to provide a prosthetic socket equipped with such a valve.
    According to one aspect of the invention, there is provided a prosthesis socket valve, the socket delimiting an open cavity for receiving an amputated limb stump and delimiting a through hole opening into the cavity and intended to receive the valve.
    The valve comprises a support, in which a through channel is formed, and a movable member between a discharge position in which the member allows an air passage out of the channel in a single evacuation direction and a position of shutter in which the member prevents an air passage inside the channel in a direction opposite to the direction of discharge.
    The carrier has a securing means configured to releasably mount the carrier within the through hole.
    The fastening means is configured to allow disassembly of the support in the direction opposite to the direction of evacuation.
    A valve is thus provided, the organ to be maintained extracted by the cavity of the socket. Maintenance of the valve is therefore facilitated because it avoids disassembling the aesthetics that surrounds the socket in order to access the valve.
    The valve may comprise a base configured to be mounted within the through hole and having a threaded hollow body, the fastening means comprising a thread cooperating with the tapping of the body of the base.
    The support may comprise a stop to prevent disassembly of the support in the direction of evacuation.
    The valve may comprise an actuator configured to immobilize the member in the evacuation position to allow an air passage out of the channel in the evacuation direction and an air passage inside the channel according to the opposite direction to the evacuation direction. The actuator may comprise a termination, and the support has a surface in which an opening of the channel and a longitudinal slot located opposite the termination are formed, the longitudinal slot for receiving a deformable portion of the member to move the organ of the opening of the canal.
    The surface of the support may comprise two planar zones located on either side of the longitudinal slot, the two planar zones being inclined with respect to each other.
    The valve may comprise a plug having a deformable tongue on which is mounted the actuator, the tongue allowing movement of the actuator for the termination to press the member.
    The support may comprise a housing, the valve comprising a removable part configured to cooperate with the housing to disassemble the support in the direction opposite to the direction of discharge.
    In another aspect, there is provided a prosthetic socket delimiting an open cavity for receiving an amputated limb stump and delimiting a through hole in the cavity, the socket comprising a valve as defined above mounted within the through hole.
    BRIEF DESCRIPTION OF THE DRAWINGS Other advantages and features will become more clearly apparent from the following description of particular embodiments of the invention given by way of nonlimiting example and represented in the accompanying drawings, in which: FIG. schematically illustrates a sectional view of an embodiment of a valve mounted on a prosthesis socket according to the invention; - Figure 2 schematically illustrates a sectional view of the valve of Figure 1, the support is removed; - Figure 3 schematically illustrates an exploded sectional view of another embodiment of the different elements of a valve; FIG. 4 schematically illustrates perspective profile views of certain elements of FIG. 3; FIG. 5 schematically illustrates perspective top views of the elements of FIG. 4; FIG. 6 schematically illustrates a perspective view of the valve of FIG. 3, the elements of which are mounted; - Figure 7 schematically illustrates a top view in perspective of the valve of Figure 6; and - Figure 8 schematically illustrates another perspective profile view of a valve actuator.
    detailed description
    In Figure 1, there is shown a valve 1 for socket 2 of prosthesis. The prosthesis has a prosthetic limb 3, for example a leg or forearm replacement, attached to a distal end of the socket 2 by an articulated connection 4, as a ball joint. The prosthesis may also include an aesthetic foam, fabric, silicone, or polyurethane, covering part or all of the socket 2. The socket 2 defines a cavity 6 open to receive a stump 7 of limb amputated. The stump 7 of the amputated limb may be wrapped with a sleeve 8 of external shape complementary to the cavity 6 of the socket 2, to facilitate the engagement of the stump 7 within the cavity 6. An opening 9 of the cavity 6 is located at the proximal end of the socket 2. In addition, a through hole 10 is formed in the thickness of the socket 2. The through hole 10 opens into the cavity 6 and is shaped to receive the valve 1.
    The valve 1 is particularly suitable for a socket 2 of tibial prosthesis. The valve 1 makes it possible to create a gap between the socket 2 and the stump 7, which maintains their junction. Preferably, the valve 1 is of the non-return type, also denoted unidirectional valve, that is to say in normal operation, the valve 1 lets the air pass in a single first direction A, especially since the inside the cavity 6 towards the outside of the cavity 6, and prevents an air inlet inside the cavity 6 in a second direction B opposite the first direction A. The first direction A is also called, " evacuation direction A ", and the second direction B is called" disassembly direction B ". In order to maintain the socket 2 integral with the stump 7, the residual air contained in the cavity 6 is driven through the valve 1 outside the cavity 6, in the first direction A. When the valve 1 is unidirectional it prevents the outside air from entering the cavity 6, and a vacuum is created between the stump 7 and the socket 2 to hold them solidly to each other. Advantageously, to guarantee an airtightness between the stump 7 and the socket 2, a sealing element may be placed at the proximal end of the socket 2. For example, the sealing element may be a lip seal fixed on the socket 2, or on the sleeve 8 covering the stump 7, or be an elastic sheath surrounding the socket 2 and the sleeve 7 at the opening 9 of the cavity 6.
    The valve 1 comprises a support 11, in which a channel 12 is formed, and a member 13 for closing the channel 12. The channel 12 is through to communicate the interior of the cavity with the outside. When the valve 1 is mounted within the through hole 10, the through channel 12 opens into the cavity 6 to allow the residual air located between the socket 2 and the stump 7 to be expelled. The member 13 of the valve 1 is movable between an evacuation position, wherein the member 13 allows a passage of air out of the through channel 12 in the discharge direction A, and a closed position, as shown in Figure 1, wherein the member 13 prevents an air passage inside the through channel 12 in the disassembly direction B. The member 13 of the valve 1 is preferably elastically deformable. In this case the member 13 is deformed so as to occupy the evacuation position when the pressure of the air contained in the through channel 12 is greater than the pressure of the outside air, and to resume the closed position when the air pressure in the through channel 12 is less than the outside air pressure. The member 13 may be mounted movably on the support 11. Preferably, the member 13 comprises a first portion fixedly mounted on the support 11 and a second portion movable relative to the support 11. The member 13 may further be elastically deformable . For example, the member 13 may be an elastic membrane.
    The support 11 also comprises a fixing means 14 configured to removably mount the support 11 within the through hole 10. More particularly, the fastening means 14 is configured to allow disassembly of the support 11 in the direction B opposite to the evacuation direction A. Thus, the member 13 and its support 11 can be dismounted inside the cavity 6. FIG. 2 shows a valve 1 whose support 11 and its member 13 are disassembled according to FIG. disassembly direction B and are located inside the cavity 6. It then avoids having to remove the aesthetic 5 to remove the member 13 of the socket 2. Such a valve 1 facilitates its regular maintenance or its repair. Furthermore, the fastening means 14 allows mounting of the support 11 in the evacuation direction A. In other words, the support 11 is assembled to the socket 2 by the interior of the cavity 6, it is that is to say by introducing the support 11 and the member 13 inside the cavity 6. This facilitates, in addition, its mounting on a prosthesis previously provided with an aesthetic 5, because it is not necessary to disassemble the aesthetic 5 to assemble the support 11 and the member 13 to the socket 2.
    For example, the fastening means 14 is configured to cooperate with a receiving means 15 for mounting the support 11 in the through hole 10. The receiving means 15 can be located in the thickness of the socket 2. It can thus be directly mount the support 11 on the socket 2. Advantageously, the valve 1 may comprise a base 16 configured to be mounted within the through hole 10 and to receive the support 11. The base 16 can be screwed, welded, glued, or crimped in the thickness of the socket 2. An O-ring 17 can be provided housed in a slot provided on the outer surface of the base 16. The O-ring 17 makes it possible to guarantee an airtightness between the socket 2 and the base 16. The base 16 comprises a hollow body. In addition, the base 16 comprises the receiving means 15 for mounting the support 11 within the hollow body of the base 16. When the base 16 is fixed to the through hole 10 it prevents the support 11 to exit unexpectedly when the stump 7 is removed from the cavity 6. For example, the fastening means 14 has an external thread and the receiving means 15 has an internal thread. The fastening means 14 may comprise holding catches and the receiving means 15 comprises housings intended to receive the holding catches.
    Advantageously, the support 11 may comprise a stop 18 to prevent disassembly of the support 11 according to the evacuation direction A. The stop 18 may comprise an oollerette projecting from the body of the support 11. The collar 18 is located at an opposite proximal end at the distal end of the support 11 where the member 13 is located. The support 11 may also comprise a slot provided on its outer surface to receive an additional O-ring 19. The additional O-ring 19 makes it possible to guarantee a seal at air between the support 11 and the base 16.
    The valve 1 may further comprise an actuator 20 configured to immobilize the member 13 in the evacuation position in order to allow both an air passage out of the through channel 12 in the evacuation direction A, and a passage of air inside the through channel 12 in the disassembly direction B. When immobilizing the member 13 in the evacuation position, an air inlet is allowed inside the cavity 6; which disunits the socket 2 and the sleeve 7, so that the user can remove the prosthesis. It is also said that the actuator 20 unlocks the valve 1. Indeed, in normal operation, it is said that the valve 1 is locked, and the member 13 is free to occupy the closed position or the evacuation position . The member 13 moves from one position to the other depending on the pressure difference between the inside and the outside of the cavity 6. On the contrary, it is noted that the valve 1 is unlocked when the member 13 is maintained in the evacuation position and in this case the air can flow in the two directions A, B between the inside and the outside of the cavity 6.
    In FIG. 2, there is shown the valve 1, described in FIG. 1, whose support 11 is removed from the base 16, that is to say removed from the socket 2. In FIGS. 4 and 5 , there is shown the valve 1 whose elements are disassembled, and in Figures 6 and 7, there is shown the valve 1 whose elements are mounted.
    FIG. 3 shows an exploded view of the various elements of the valve 1. Preferably, the actuator 20 has a termination 21 and the support 11 has a surface 22 in which an opening 23 of the through channel 12 and a slot 24 are formed. The surface 22 is located at the distal end of the support 11. The slot 24, preferably has a shape complementary to that of the terminal 21 of the actuator 20, to receive a deformed portion of the member 13. For example , the termination 21 of the actuator 20 extends along a longitudinal axis X, perpendicular to the plane of the sheet of FIG. 3. FIG. 8 shows another view of the actuator 20 in which the axis longitudinal X is in the plane of Figure 8. The termination 21 may have a shape "V" to provide a tip-shaped end. The longitudinal slot 24 also extends along an axis parallel to the longitudinal axis X of the termination 21. The slot 24 may also have a shape "V" complementary to that of the terminal 21. In particular, the longitudinal slot 24 is located opposite the termination 21. When the actuator 20 is in an initial position, as shown in Figure 1, the valve 1 is locked. When the user presses the actuator 20, the latter translates along an axis Y parallel to a longitudinal axis of the through-channel 12. During translation, the actuator 20 presses the member 13 against the surface 22 of the support 11, particularly at the longitudinal slot 24. Thus, a deformable portion of the member 13 is inserted into the slot 24, which raises the member 13 and away from the opening 23 of the through channel 12. In end of translation, the actuator 20 occupies a second position in which the member 13 occupies the evacuation position. The member 13 can then be held in the evacuation position while maintaining the pressure of the actuator 20 against the member 13. When the member 13 is immobilized in the evacuation position, the air can circulate from the cavity 6 to the outside, through the through channel 12, and in the opposite direction, that is to say from the outside to the inside of the cavity 6. When the user releases the pressure on the actuator 20, the latter returns to its initial position, and the member 13 resumes its closed position. The organ 13 resumes its position because of its elasticity.
    In order to facilitate the deformation of the member 13 so that it occupies the evacuation position, the surface 22 of the support 11 may comprise two planar zones 25, 26 located on either side of the longitudinal slot 24. two planar zones 25, 26 may be inclined with respect to each other. Furthermore, the member 13 may have a curved shape which coincides with the two planar zones 25, 26 inclined. The support 11 may comprise a lug 28 which fits into an orifice 29 provided in the member 13. The lug 28 makes it possible to hold a portion of the member 13 fixed to maintain the member 13 integral with the support 11. The other part of the member 13 being deformable to occupy the positions of evacuation and closure.
    Advantageously, the valve 1 comprises a plug 30 having at least one tab 31, 32 deformable on which is mounted the actuator 20. The deformable tongues allow the translational movement of the actuator 20, along the Y axis, to press the actuator 20 against the member 13. For example, the tongues are elastic and the actuator 20 returns to its initial position, because of the elasticity of the tongues 31, 32. According to another advantage, the plug 31 defines a chamber 33 The chamber 33 is located at one end of the valve 1, so that the member 13 is located between the chamber 33 and the support 11. The chamber 33 allows the member 13 to occupy the evacuation position. Indeed, the chamber 33 forms a clearance volume for receiving the member 13. In addition, a through hole is formed in the wall of the cap 30. The through orifice is located on the surface of the cap 30 where the tabs are located 31, 32. The through orifice is opening into the chamber 33 to allow the outside air to enter the chamber 33, and vice versa so that the air from the chamber 33 can pass outwardly.
    When the user wishes to remove the stump 7 of the socket 2, after the vacuum is created between the socket 2 and the stump 7, the user presses the actuator 20, the member 13 is immobilized in the position d evacuation, and the outside air is introduced inside the cavity 6. This air introduced into the cavity 6 disunits the stump 7 and the socket 2, and the stump 7 can be removed. For example, the aesthetic may be porous in the air. Thus, when one wishes to create the vacuum between the socket 2 and the stump 7, the aesthetic 5 allows to let out the residual air between the socket 2 and the stump 7 outwardly. Moreover, when it is desired to remove the stump 7 from the socket 2, the aesthetic 5 allows the outside air to be introduced into the cavity 6. In a variant, it is possible to provide an air evacuation channel. located in the thickness of the aesthetic 5 and connecting the chamber 33 with the outside. In particular, the evacuation channel connects the through hole of the cap 30 with the outside. Advantageously, the aesthetic 5 is flexible to allow the user to press the actuator 20, from the outside, by pressing the aesthetic 5.
    The support 11 may also include a housing 34 for receiving a removable part 35. The piece 35 is inserted into the housing 34, and cooperates with the housing 34 to disassemble the support 11 in the disassembly direction B. For example, the piece 35 may comprise several panels 36 and the housing 34 has complementary panels to be able to rotate the support 11, around the axis Y, and thus to disassemble the support 11 of the valve 1.
    权利要求:
    Claims (9)
    [1" id="c-fr-0001]
    claims
    1. Valve for socket (2) prosthesis, the socket (2) defining a cavity (6) open to receive a limb (7) amputated limb and delimiting a through hole (10) opening into the cavity (6) and for receiving the valve, the valve comprising a support (11) in which a through channel (12) is formed and a member (13) movably mounted between a discharge position in which the member (13) allows a passage of air out of the channel (12) in a single evacuation direction (A) and a closed position in which the member (13) prevents an air passage inside the channel (12) in one direction (B) opposite to the evacuation direction (A), the support (11) having a fastening means (14) configured to releasably mount the carrier (11) within the through-hole (10), characterized in that that the fastening means (14) is configured to allow disassembly of the support (11) in the opposite direction (B) e to the discharge direction (A).
    [2" id="c-fr-0002]
    2. Valve according to claim 1, comprising a base (16) configured to be mounted within the through hole (10) and having a threaded hollow body (15), the fastening means (14) comprising a thread cooperating with the tapping. (15) of the body of the base (16).
    [3" id="c-fr-0003]
    3. Valve according to claim 1 or 2, wherein the support (11) comprises a stop (18) to prevent disassembly of the support (11) in the discharge direction (A).
    [4" id="c-fr-0004]
    4. Valve according to one of claims 1 to 3, comprising an actuator (20) configured to immobilize the member (13) in the discharge position to allow an air passage out of the channel (12) according to the evacuation direction (A) and an air passage inside the channel (12) in the direction (B) opposite to the evacuation direction (A).
    [5" id="c-fr-0005]
    5. Valve according to claim 4, wherein the actuator (20) has a termination (21), and the support (11) has a surface (22) in which an opening (23) of the channel (12) and a slot longitudinal (24) facing the termination (21) are formed, the longitudinal slot (24) for receiving a deformable portion of the member (13) to move the member (13) away from the opening (23) of the channel (12).
    [6" id="c-fr-0006]
    6. Valve according to claim 5, wherein the surface (22) of the support (11) comprises two planar zones (25, 26) located on either side of the longitudinal slot (24), the two planar zones (25). , 26) being inclined relative to each other.
    [7" id="c-fr-0007]
    7. Valve according to claim 5 or 6, comprising a plug (30) having a deformable tongue (31, 32) on which is mounted the actuator (20), the tongue (31, 32) allowing movement of the actuator (20) for the termination (21) to press the member (13).
    [8" id="c-fr-0008]
    8. Valve according to one of claims 1 to 7, wherein the support (11) comprises a housing (34), the valve comprising a removable part (35) configured to cooperate with the housing (34) to disassemble the support (11) in the direction (B) opposite to the evacuation direction (A).
    [9" id="c-fr-0009]
    9. A prosthesis socket (2) delimiting an open cavity (6) for receiving an amputated limb stump (7) and delimiting a through-hole (10) in the cavity (6), the socket (2) comprising a valve according to one of claims 1 to 8 mounted within the through hole (10).
    类似技术:
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    FR2625141A1|1989-06-30|Fuel filler spout equipped with an improved closure device controlled from inside the vehicle
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    EP2842443A1|2015-03-04|Motorcycle helmet provided with a seal
    FR2994381A1|2014-02-14|Automatic valve stopper for use in prosthesis socket to receive sleeve installed on stump of e.g. leg, has base comprising actuation to ensure unlocking of nozzle from support element during displacement of stopper toward spaced position
    EP2839813B1|2016-06-15|Plug with automatic valve for a prosthetic vacuum-assisted socket
    同族专利:
    公开号 | 公开日
    US10639174B2|2020-05-05|
    US20170333226A1|2017-11-23|
    FR3051353B1|2021-11-05|
    EP3245983A1|2017-11-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR1088509A|1953-11-30|1955-03-08|Proteor Sa|Suction fixation prosthesis device|
    US4595172A|1985-03-29|1986-06-17|Gene Henderson|Vent valves for prosthetic devices|
    US6613096B1|2002-04-05|2003-09-02|Raymond A. Shirvis|Prosthetic pressure relief valve system|
    WO2014035561A1|2012-08-30|2014-03-06|Adam Soss|Valve for prosthesis attachment|
    US20150265433A1|2014-03-20|2015-09-24|Ossur Hf|Valve for prosthetic device|
    DE605534C|1932-09-14|1934-11-13|Thomas Oesterle|Valve for an artificial limb|
    DE2729800A1|1977-07-01|1979-01-04|Walter Dr Med Surerus|Knee joint prosthesis pressure chamber for stump - incorporates pneumatic ring and double valve system including pump connection|
    AU676262B2|1993-04-02|1997-03-06|Aran Engineering Development Ltd.|A valve|
    FR2903295B1|2006-07-06|2008-08-29|Pierre Chabloz|DEVICE FOR SEALING BETWEEN A SLEEVE INSTALLED ON THE CUFF OF AN AMPUTE MEMBER AND A PROSTHETIC SHELL, AND PROSTHESIS EQUIPPED WITH SUCH A SEALING DEVICE|
    FR2903294B1|2006-07-06|2009-02-13|Pierre Chabloz|JOINING DEVICE BY SEPARATELY SEALED BETWEEN A PROSTHESIS AND A SLEEVE INSTALLED ON THE LEFT OF AN AMPUTE MEMBER, AND PROSTHESIS EQUIPPED WITH SUCH A JUNCTION DEVICE|
    FR2994381B1|2012-08-09|2015-02-13|Pierre Chabloz|AUTOMATIC VALVE CAP FOR DEPRESSION PROSTHESES|FR3102667A3|2019-11-04|2021-05-07|Med In 3D|3D PRINTED CASE|
    EP3815650A1|2019-11-04|2021-05-05|Med In 3D|Method for manufacturing by 3d printing a socket device for orthopaedic apparatus such as a prosthesis|
    CN111249043A|2020-01-15|2020-06-09|上海理工大学|Controllable semi-open type constant force receiving cavity for lower limb artificial limb|
    法律状态:
    2017-05-19| PLFP| Fee payment|Year of fee payment: 2 |
    2017-11-24| PLSC| Publication of the preliminary search report|Effective date: 20171124 |
    2018-05-28| PLFP| Fee payment|Year of fee payment: 3 |
    2019-05-28| PLFP| Fee payment|Year of fee payment: 4 |
    2020-05-19| PLFP| Fee payment|Year of fee payment: 5 |
    2021-05-21| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1654391A|FR3051353B1|2016-05-18|2016-05-18|VALVE FOR PROSTHESIS SOCKET|FR1654391A| FR3051353B1|2016-05-18|2016-05-18|VALVE FOR PROSTHESIS SOCKET|
    EP17170555.1A| EP3245983A1|2016-05-18|2017-05-11|Valve for prosthesis socket|
    US15/593,851| US10639174B2|2016-05-18|2017-05-12|Valve for a prosthesis socket|
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