CA2290414A1 - Hypobarically-controlled, double-socket artificial limb with mechanical interlock - Google Patents

Hypobarically-controlled, double-socket artificial limb with mechanical interlock Download PDF

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Publication number
CA2290414A1
CA2290414A1 CA002290414A CA2290414A CA2290414A1 CA 2290414 A1 CA2290414 A1 CA 2290414A1 CA 002290414 A CA002290414 A CA 002290414A CA 2290414 A CA2290414 A CA 2290414A CA 2290414 A1 CA2290414 A1 CA 2290414A1
Authority
CA
Canada
Prior art keywords
socket
hypobarically
mechanical interlock
controlled
double
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.)
Granted
Application number
CA002290414A
Other languages
French (fr)
Other versions
CA2290414C (en
Inventor
Carl A. Caspers
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.)
Otto Bock Healthcare LP
Original Assignee
Individual
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
Priority claimed from US08/867,294 external-priority patent/US5904722A/en
Application filed by Individual filed Critical Individual
Publication of CA2290414A1 publication Critical patent/CA2290414A1/en
Application granted granted Critical
Publication of CA2290414C publication Critical patent/CA2290414C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Prostheses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

A hypobarically-controlled artificial limb for amputees includes as outer socket, a flexible, compressible inner socket within the outer socket with a cavity for receiving the residual limb, a space between the inner socket and the outer socket, a vacuum source connected to the cavity, a positive pressure source connected to the space, a regulator for controlling the vacuum source and positive pressure source, and a seal for making an airtight seal between the residual limb and the socket. Another embodiment includes a semi-compressible molding material in the space to mold to the contours of the residual limb under the influence of vacuum and/or positive pressure. Another embodiment includes a positive mechanical interlock between the inner socket and the outer socket.
CA002290414A 1997-06-02 1997-06-10 Hypobarically-controlled, double-socket artificial limb with mechanical interlock Expired - Lifetime CA2290414C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/867,294 1997-06-02
US08/867,294 US5904722A (en) 1996-06-11 1997-06-02 Hypobarically-controlled, double-socket artificial limb with mechanical interlock
PCT/US1997/009768 WO1998055055A1 (en) 1996-06-11 1997-06-10 Hypobarically-controlled, double-socket artificial limb with mechanical interlock

Publications (2)

Publication Number Publication Date
CA2290414A1 true CA2290414A1 (en) 1998-12-10
CA2290414C CA2290414C (en) 2004-08-31

Family

ID=29550510

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002290414A Expired - Lifetime CA2290414C (en) 1997-06-02 1997-06-10 Hypobarically-controlled, double-socket artificial limb with mechanical interlock

Country Status (2)

Country Link
CA (1) CA2290414C (en)
DE (1) DE69726021T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10842653B2 (en) 2007-09-19 2020-11-24 Ability Dynamics, Llc Vacuum system for a prosthetic foot

Also Published As

Publication number Publication date
DE69726021T2 (en) 2004-08-26
CA2290414C (en) 2004-08-31
DE69726021D1 (en) 2003-12-11

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MKEX Expiry

Effective date: 20170612