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WO2024206529A1 - Dispositif prothétique articulé et ses procédés d'utilisation - Google Patents

Dispositif prothétique articulé et ses procédés d'utilisation Download PDF

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Publication number
WO2024206529A1
WO2024206529A1 PCT/US2024/021812 US2024021812W WO2024206529A1 WO 2024206529 A1 WO2024206529 A1 WO 2024206529A1 US 2024021812 W US2024021812 W US 2024021812W WO 2024206529 A1 WO2024206529 A1 WO 2024206529A1
Authority
WO
WIPO (PCT)
Prior art keywords
socket frame
compression
frame
articulated surface
socket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/US2024/021812
Other languages
English (en)
Inventor
Joe Johnson
John FLEISCHMANN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quorum Orthopedics Inc
Original Assignee
Quorum Orthopedics Inc
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 Quorum Orthopedics Inc filed Critical Quorum Orthopedics Inc
Publication of WO2024206529A1 publication Critical patent/WO2024206529A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/80—Sockets, e.g. of suction type

Definitions

  • the inventive technology disclosed herein relates to the field of prosthetic devices, and more particularly an articulated prosthetic device that may be configured to include an extendable surface to allow more efficient placement and adjustment of the residual limb and/or suspension system of the prosthesis.
  • a socket may commonly refer to the portion of a prosthesis that fits around and secures a residual limb, and to which prosthetic components, such as a foot, are attached.
  • Traditional prosthetic devices are generally designed to stabilize the skeletal components of the residual limb and allow minimal relative movement between the socket and the residual limb.
  • traditional prosthetic sockets are designed to provide sufficient support to secure the residual limb within the socket, while at the same time allowing sufficient flexibility to allow for circulation and account for other physiological, temporal or environmental changes that may affect the shape and/or volume of the residual limb.
  • the present invention seeks to alleviate the aforementioned issues by creating an articulating surface, and preferably an anterior articulating surface forming an anterior opening in the socket frame to allow for a user to better put on or take off the device, or for another individual to assist in the fitting and adjustment of the prosthetic.
  • the patient or an assistant can have a full view of where and how the suspension device needs to align to in order to properly fasten the prosthesis to the residual limb.
  • the present invention can be particularly helpful in nursing home environments or other care facilities where the amputee may not be able to properly don their prosthesis which almost exclusively rely on pin-lock suspension systems that can themselves be difficult to self-adjust.
  • the articulated prosthetic device of the invention includes a socket frame having an articulated surface adapted to be securable to the socket frame by a coupler.
  • the articulated surface can be coupled or decoupled from said socket frame thereby allowing the lateral placement or removal of a residual limb from the socket into an “open” or “closed” position.
  • the device includes a socket frame having an articulated surface, and preferably an articulatable anterior surface configured to be coupled or decoupled from said socket frame thereby allowing the lateral placement or removal of a residual limb from the socket into an “open” or “closed” position.
  • the prosthetic device of the invention further include a compression actuator responsive to a compression cord positioned within a compression channel formed by a plurality of channel segments that traverses the border between the socket frame and articulated surface.
  • a compression actuator responsive to a compression cord positioned within a compression channel formed by a plurality of channel segments that traverses the border between the socket frame and articulated surface.
  • the compression actuator when the compression actuator is engaged, it retracts the compression cord causing an inward compressive force on the articulated surface causing it to be positioned adjacent to, or coupled with the frame in a “closed” position.
  • the compression actuator can be configured to release the compression cord removing the inward compressive force and causing the articulated surface to be decoupled from the frame and allowing the articulated surface to be extended into an “open” position.
  • Another object of the inventive technology disclosed herein includes an articulated surface having a first mesh joint that can be mated with a second mesh joint on the socket frame forming a flexible coupling.
  • Figure 1 shows a side view of an exemplary transfemoral articulated prosthetic device in the “closed” position having socket frame coupled with an anterior positioned articulated surface in one embodiment thereof.
  • Figure 2 shows a side view of an exemplary transfemoral articulated prosthetic device having socket frame in the “open” position configuration with an anterior positioned articulated surface in an extended position in one embodiment thereof.
  • Figure 3 shows a front view of an exemplary transfemoral articulated prosthetic device having socket frame in the “open” position with an anterior positioned articulated surface in an extended position having a compression actuator responsive to a compression channel in one embodiment thereof.
  • Figure 4 shows a front view of an exemplary transfemoral articulated prosthetic device in the “closed” position having socket frame coupled with an anterior positioned articulated surface having a compression actuator responsive to a compression channel in one embodiment thereof.
  • the present invention includes a variety of aspects, which may be combined in different ways.
  • the following descriptions are provided to list elements and describe some of the embodiments of the present invention. These elements are listed with initial embodiments; however, it should be understood that they may be combined in any manner and in any number to create additional embodiments.
  • the variously described examples and preferred embodiments should not be construed to limit the present invention to only the explicitly described systems, techniques, and applications. Further, this description should be understood to support and encompass descriptions and claims of all the various embodiments, systems, techniques, methods, devices, and applications with any number of the disclosed elements, with each element alone, and also with any and all various permutations and combinations of all elements in this or any subsequent application.
  • the articulated prosthetic device (1) of the invention can be formed by a socket frame (2) and an articulated surface (3), which can preferably be position on the anterior side of the prosthetic device (1) (sometimes referred to as the anterior articulated surface), and further configured such that the articulated surface (3) can be decoupled from the socket frame (2) and positioned in an “open” configuration as shown in Figures 1 and 3.
  • the articulated surface (3) can be extended from the socket frame (2) allowing a user or assistant to view the internal cavity and suspension attachment (not shown) of the prosthetic device (1).
  • the invention comprises a socket frame including, but not be limited to: a transhumeral socket frame, a transradial socket frame; a transtibial socket frame, a symes socket frame, a hip disarticulation socket frame, a knee disarticulation socket frame, and a wrist disarticulation socket frame.
  • the socket frame (and articulated surface) can be selected from the group consisting of: a rigid socket frame, a plastic socket frame, a composite socket frame, a carbon fiber socket frame, a 3D-printed socket frame, and an acrylic laminate socket frame with a stiffening component.
  • the top portion of the articulated surface (3) can hinge down and away from the socket frame (2) thereby exposing the internal cavity of the prosthetic device (1).
  • the top portion of the articulated surface (3) can hinge upward and towards from the socket frame (2) so as to cover the internal cavity of the prosthetic device (1), and can further be coupled to the socket frame (2) thereby securing the residual limb within the device (1).
  • the lower portion of the articulated surface (3) can be coupled with the lower surface of the socket frame (2), for example through a hinge joint (8), or other biased joint, such as a spring-loaded or slide joint, which can allow the forward and backward hinging motion of the articulated surface (3) away from, and towards the socket frame (3).
  • a side portion of the articulated surface (3) can be coupled with the side surface of the socket frame
  • the articulated surface (3) can hinge outward, being anchored to the bottom portion of to the socket frame (2) by, for example a hinge joint (8).
  • one or more couplers securing the surface (3) to the socket frame (2) can be disengaged from the top or sides and the articulated surface (3) can swing downward and away from the socket frame (2) thereby exposing the internal cavity of the prosthetic device (1).
  • the articulated surface (3) can hinge upward and towards from the socket frame (2) so as to cover the internal cavity of the prosthetic device (1), and can further be coupled to the socket frame (2) thereby securing the residual limb within the device (1).
  • the articulated surface (3) can hinge sideways, being anchored on one side to the socket frame (2), for example by a hinge joint (8) and the other side by a coupler (not shown).
  • the coupler can be disengaged and the articulated surface (3) can swing sideways and away from the socket frame (2) thereby exposing the internal cavity of the prosthetic device (1).
  • the articulated surface (3) can hinge inward from the side and towards the socket frame (2) so as to cover the internal cavity of the prosthetic device (1), and can further be coupled to the socket frame (2) thereby securing the residual limb within the device (1).
  • the articulated surface (3) and can be separately removed or secured to the socket frame (2) by one or more couplers, such as a latch, a compression cord; a fastener, a slide coupler, a twist coupler, a snap coupler, or a combination of the same.
  • the articulated surface (3) can be decoupled from the socket device (2) and as described above, and hinged in such as manner so as to expose the internal cavity of the device (1).
  • the articulated surface (3) is disjoined from the socket frame (2), and can be separately removed or held in place by one or more couplers, such as a latch, a compression cord, a fastener, a slide coupler, a twist coupler, a snap coupler, or a combination of the same.
  • the articulated surface (3) can be decoupled from the socket device exposing the internal cavity of the device (1).
  • the one or more couplers can be disengaged and the articulated surface (3) can be full disjoined and removed from the socket frame (2) thereby exposing the internal cavity of the prosthetic device (1).
  • the articulated surface (3) can be recoupled with the socket frame (2) so as to cover the internal cavity of the prosthetic device (1), thereby securing the residual limb within the device (1).
  • the coupler can be adjustable so as to increase the inward pressure on the articulated surface (3) when placed against the residual limb which, as described below, can allow the adjustable coupling of the first and second mesh surfaces (9,10) of the articulated surface (3) and socket frame (2), respectively.
  • the articulated surface (3) is disjoined from the socket frame (2), and can be separately positioned in the “open” or “closed” positions by a disarticulated coupler system.
  • a disarticulated coupler system of the invention can include a compression actuator (4), such as a twist compression actuator like a Boa® cable actuator, configured to cause retraction of a cord (6) positioned with a compression channel (5) that can couple or decoupled the socket frame (2) and articulated surface (3).
  • one, or preferably a plurality of channel segments (12) can be positioned on the external surface of the socket frame (2) and articulated surface (3) forming a continuous or semi-continuous compression channel (5) that traverses the border (11) between the frame (2) and the articulated surface (3).
  • the channel segments (12) can be configured to be aligned at channel junctions (13) when the socket frame (2) and the articulated surface (3) are coupled together in the “closed” position.
  • a compression cord (6) can be be positioned within the compression channel(s) (5) and responsive to a compression actuator (4) allowing it to be retracted or extended.
  • the compression actuator (4) of the invention is configured to manually or automatically retract the compression cord (6) (also referred to herein as a cord). Retraction of the cord (6) generating an inward compressive force on the articulatable surface (3) causing it to be brought into contact and coupled with the socket frame (2). In this manner, the compression actuator (4) of the invention can generate an inward compressive forced to couple the articulated surface (3) to the socket frame (3), or be disengaged to generate sufficient slack in the cord (6) such that the articulated surface (3) can be extended away from the socket frame (2) into the “open” position.
  • the compression actuator (4) of the invention can generate an inward compressive forced to couple the articulated surface (3) to the socket frame (3), or be disengaged to generate sufficient slack in the cord (6) such that the articulated surface (3) can be extended away from the socket frame (2) into the “open” position.
  • the channel segments (12) of the invention form a single compression channel (5) that traverses the border (11) between the frame (2) and the articulated surface (3) on both sides of the prosthetic device (1).
  • the compression channel (5) includes anchor positions (7) formed by turns in the compression channel (5) on either side of the border (11) between the socket frame (2) and the articulated surface (3).
  • the compression actuator (4) is responsive to a cord (6) positioned in a compression channel (5) that extends along the top surface of the articulated surface (3) and socket frame (2).
  • the slack on the cord (6) generated when the compression actuator (4) is disengaged allows the top portion of the articulated surface (3) to swing downward into the “open” position while the cord (6) is still securing the bottom portion of the articulated surface (3) to the socket frame (2).
  • the articulated prosthetic device (1) of the invention can include an expandable coupling between the articulated surface (3) and socket frame (2).
  • the invention includes a first mesh surface (9) that extends along the rear edge of the articulated surface.
  • the first mesh surface (9) can have variable lengths and orientations, however in a preferred embodiment includes a flared surface on the top rear surface of the articulated surface (3) that narrows as it extends downward.
  • the socket frame (2) of the invention includes a corresponding second mesh surface (10) that extends along the front interface surface of the socket.
  • the first mesh surface (9) and the second mesh surface (10) are configured to be interlocking so as to allow the articulated surface (3) to extend beyond the front surface of the fixed socket frame (2) generating a lateral compressive force against the residual limb.
  • the extension of the articulated surface (3) beyond the front surface of the fixed socket frame (2) can be controlled by engagement of the compression actuator (4) causing retraction of the cord (6) generating an inward force further compressing the interlocking coupling between the articulated surface (3) and the front surface of the fixed socket frame (2). Because this coupling is tractable in the forward and backward direction, the first mesh surface (9) and second mesh surface (10) can slidably expand in response to changes in volume or movement of the secured residual limb while remaining secured to the user.
  • each of the various elements of the invention and claims may also be achieved in a variety of manners.
  • an element is to be understood as encompassing individual as well as plural structures that may or may not be physically connected.
  • This disclosure should be understood to encompass each such variation, be it a variation of an embodiment of any apparatus embodiment, a method or process embodiment, or even merely a variation of any element of these.
  • the words for each element may be expressed by equivalent apparatus terms or method terms — even if only the function or result is the same. Such equivalent, broader, or even more generic terms should be considered to be encompassed in the description of each element or action.
  • each of the methods and/or apparatus for providing an articulated prosthetic device as herein disclosed and described ii) the related methods disclosed and described, iii) similar, equivalent, and even implicit variations of each of these devices and methods, iv) those alternative designs which accomplish each of the functions shown as are disclosed and described, v) those alternative designs and methods which accomplish each of the functions shown as are implicit to accomplish that which is disclosed and described, vi) each feature, component, and step shown as separate and independent inventions, vii) the applications enhanced by the various systems or components disclosed, viii) the resulting products produced by such systems or components, ix) each system, method, and element shown or described as now applied to any specific field or devices mentioned, x) methods and apparatuses substantially as described hereinbefore and with reference to any of the accompanying examples, xi) the various combinations and permutations of each of the elements disclosed, xii) each potentially dependent claim or concept
  • inventive subject matter is to include, but certainly not be limited as, a system substantially as herein described with reference to any one or more of the Figures and Description (including the following: for example, the process according to any claims and further comprising any of the steps as shown in any Figures, separately, in any combination or permutation).

Landscapes

  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Prostheses (AREA)

Abstract

L'invention concerne un dispositif prothétique articulé ayant un cadre d'emboîture configuré pour être couplé à une surface articulée permettant l'insertion latérale, l'extraction et le réglage d'un membre résiduel dans le cadre d'emboîture.
PCT/US2024/021812 2023-03-27 2024-03-27 Dispositif prothétique articulé et ses procédés d'utilisation Pending WO2024206529A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202363454812P 2023-03-27 2023-03-27
US63/454,812 2023-03-27

Publications (1)

Publication Number Publication Date
WO2024206529A1 true WO2024206529A1 (fr) 2024-10-03

Family

ID=92906885

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/021812 Pending WO2024206529A1 (fr) 2023-03-27 2024-03-27 Dispositif prothétique articulé et ses procédés d'utilisation

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Country Link
WO (1) WO2024206529A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9549828B2 (en) * 2011-11-12 2017-01-24 Lim Innovations, Inc. Modular prosthetic sockets and methods for making same
US10406003B2 (en) * 2016-11-02 2019-09-10 Joe Johnson Disarticulated compression socket
US20210212844A1 (en) * 2016-11-02 2021-07-15 Joe Johnson Disarticulated Compression Socket
US20220125606A1 (en) * 2012-06-28 2022-04-28 Ossur Hf Adjustable prosthetic limb system
US20230088406A1 (en) * 2009-09-18 2023-03-23 Click Holdings, Llc Adjustable prosthetic interfaces and related systems and methods

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230088406A1 (en) * 2009-09-18 2023-03-23 Click Holdings, Llc Adjustable prosthetic interfaces and related systems and methods
US9549828B2 (en) * 2011-11-12 2017-01-24 Lim Innovations, Inc. Modular prosthetic sockets and methods for making same
US20220125606A1 (en) * 2012-06-28 2022-04-28 Ossur Hf Adjustable prosthetic limb system
US10406003B2 (en) * 2016-11-02 2019-09-10 Joe Johnson Disarticulated compression socket
US20210212844A1 (en) * 2016-11-02 2021-07-15 Joe Johnson Disarticulated Compression Socket

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