US368580A - feees - Google Patents

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US368580A
US368580A US368580DA US368580A US 368580 A US368580 A US 368580A US 368580D A US368580D A US 368580DA US 368580 A US368580 A US 368580A
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Prior art keywords
leg
plate
foot
ring
bulged
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Expired - Lifetime
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    • 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
    • A61F2/60Artificial legs or feet or parts thereof
    • A61F2/66Feet; Ankle joints
    • A61F2/6607Ankle joints

Description

(No Model.)

0. A. PREES.

ARTIFICIAL LEG.

No. 368,580. Patented Aug. 2.3, 1887.

FIEJ

WITNEEIEEEI, I INVENTUR N, PETERS Pholo-Ulhogr-aphur. Wmhmglan. D C.

UNITED STATES PATENT OFFICE.

OHANCY A. FREES, on NEW YORK, N. v.

ARTIFICIAL LEG.

SPECIPIGATION forming part of Letters Patent N 0. 368,580, dated August 23, 1887.

Application filed April 2, 1887.

Serial No. 233,537. (No model.)

To all whom, it may concern:

Be it known that I, CHANCY ADELMER Burns, a citizen of the United States, residing at New York, in the county and State of New joints thereof. It also relates to the diaphragm tificial leg that supports the stump.

The invention consists in the various features of improvement hereinafter more fully pointed out in the claims.

In the accompanying drawings, Figure 1 is a longitudinal central section through an arprovided with my improvement. Fig. 2 is a top view of the foot. Fig. 3 is a bottom View of the leg. Figs. 4, 5, and 6 are respectively top, edge, and bottom views of the plate 0. Figs. 7, 8, and 9 are detail views of the several parts of the knee-joint.

The letter A represents the artificial leg made of the usual form and entering a socket in the foot B.

a is a jointed pin or a cord secured to the leg and passing through a perforation of the 1 foot, to whichit is held by a nut, b, or otherwise. This pin or cord serves to connect the parts. The joint proper, upon which the leg may rock backward and forward and also laterally, consists of a cross-shaped plate, 0, which is perforated centrally to permit the passage of pin a. By passing the pin directly through aperforation in such plate the construction of theparts is greatly simplified and their working is improved. The two shorter or transverse arms d of the plate 0 are bulged on top, resting within sockets of the leg, and constituting a fulcrum upon which the leg may rock backward and forward. The two longitudinal arms 6 e are bulged at their bottom, resting within sockets of the foot, and constituting a fulcrum upon which the leg or foot may work laterally. The forward arm, e, is preferably more or less ball-shaped, as shown, and may be connected by an elastic string, f, to a hook, g, to which there is also connected the heel-tendon h.

In order to properly limit the movement of the leg upon and the foot beneath the plate 0, I employ bulged cushions i j, attached, re

spectively, to the leg and foot and fitting into the concavities of the arms 6 (Z.

k is the side rod projecting from the upper end of the leg, and provided with a conical head, Z, which is made with a screw-threaded central perforation. This head is embraced by a tapering ring, m, attached to the thighbar m. A headed screw, or, entering head Z,

will secure the parts to each other, and by adjusting the screw the joint may be tightened or loosened. The advantage of this construc tion, and particularly of the perforated coni cal head, is that the screw has a large surface with which to engage, and thus the joint is not apt to wear out.

0 is a ring fitted into the upper part of the leg and made of concave form in cross-section.

This ring is entirely inclosed within the leg,

as shown. Upon this ring and around its cireumferehce there is placed the buckskin diaphragm p, which bears the end of the stump. Strings q, surrounding the ringo and the edge of the diaphragm, hold the latter in place. These strings are placed in the annular space between leg and ring. It will be seen that by making the ring of concave form I obtain room for the string. The ring may be secured to the leg by screws or otherwise, and it may be attached higher or lower to conform to the length of the stump.

I am aware that it is not new plate between the leg and foot portion, the said plate having lateral and longitudinal bearing arms; but I am not aware that any one has heretofore provided a plate or casting with lateral and longitudinal branches having a central vertical aperture for the passage of the connecting cord or bolt, and I attach importance to the employment of a casting or plate of this character, and .to the fact that the to arrange a said branches have bulged bearing-surfaces.

and leg sections,

of a cruciform plate or casting having a vertical aperture for the passage of the conupon the inserted cushions, substantially as meeting-cord, substantially as specified. specified. 2. Thecombination, with the foot and leg 3. The combination of leg A with the consections, of a cruciform plate or casting having cave ring 0, placed Within the leg, diaphragm 5 a central vertical aperture for the passage of p, and string q, placed in the annular space be- 15 the connecting-cord, the lateral branches of tween ring and leg, substantially as specified.

thesaidcastinghavingtheiruppersidesbulged O. A. FREES. and their under sides recessed, and the longi- Witnesses: tudinal branches having their under sides F. V. BRIESEN,

IO bulged and their upper sides recessed to bear HENRY E. ROEDER.

US368580D feees Expired - Lifetime US368580A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718913A (en) * 1986-05-27 1988-01-12 Voisin Jerome P Dual, ankle, springs prosthetic foot and ankle system
US20040162623A1 (en) * 1998-04-10 2004-08-19 Phillips Van L. Foot prosthesis having cushioned ankle
US20050038524A1 (en) * 2003-08-15 2005-02-17 Jonsson Orn Ingvi Low profile prosthetic foot
US20050267602A1 (en) * 2004-05-28 2005-12-01 Clausen Arinbjorn V Foot prosthesis with resilient multi-axial ankle
US20060058893A1 (en) * 2004-05-28 2006-03-16 Clausen Arinbjorn V Method of measuring the performance of a prosthetic foot
US20110208323A1 (en) * 2010-02-23 2011-08-25 Ossur Hf Metatarsal joint shape for prosthetic foot and control mechanism and system for same
US20110213471A1 (en) * 2010-02-26 2011-09-01 össur hf Prosthetic foot with a curved split
US8961618B2 (en) 2011-12-29 2015-02-24 össur hf Prosthetic foot with resilient heel
US9439786B2 (en) 2012-08-01 2016-09-13 össur hf Prosthetic ankle module
USD795433S1 (en) 2015-06-30 2017-08-22 Össur Iceland Ehf Prosthetic foot cover
USD797292S1 (en) 2014-06-30 2017-09-12 össur hf Prosthetic foot plate
US9999523B2 (en) 2011-09-26 2018-06-19 össur hf Frictionless vertical suspension mechanism for prosthetic feet

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718913A (en) * 1986-05-27 1988-01-12 Voisin Jerome P Dual, ankle, springs prosthetic foot and ankle system
US20050234563A1 (en) * 1994-08-15 2005-10-20 Phillips Van L Foot prosthesis having cushioned ankle
US7354456B2 (en) 1994-08-15 2008-04-08 Phillips Van L Foot prosthesis having cushioned ankle
US20100106260A1 (en) * 1998-04-10 2010-04-29 Phillips Van L Foot prosthesis having cushioned ankle
US20040162623A1 (en) * 1998-04-10 2004-08-19 Phillips Van L. Foot prosthesis having cushioned ankle
US7279011B2 (en) 1998-04-10 2007-10-09 Phillips Van L Foot prosthesis having cushioned ankle
US7879110B2 (en) 1998-04-10 2011-02-01 Ossur Hf Foot prosthesis having cushioned ankle
US8377144B2 (en) 2003-08-15 2013-02-19 Ossur Hf Low profile prosthetic foot
US9579220B2 (en) 2003-08-15 2017-02-28 össur hf Low profile prosthetic foot
US8007544B2 (en) 2003-08-15 2011-08-30 Ossur Hf Low profile prosthetic foot
US8858649B2 (en) 2003-08-15 2014-10-14 össur hf Low profile prosthetic foot
US20050038524A1 (en) * 2003-08-15 2005-02-17 Jonsson Orn Ingvi Low profile prosthetic foot
US8377146B2 (en) 2003-08-15 2013-02-19 Ossur Hf Low profile prosthetic foot
US9132022B2 (en) 2004-05-28 2015-09-15 össur hf Foot prosthesis with resilient multi-axial ankle
US20090293641A1 (en) * 2004-05-28 2009-12-03 Clausen Arinbjoern V Method of measuring the performance of a prosthetic foot
US7846213B2 (en) 2004-05-28 2010-12-07 össur hf. Foot prosthesis with resilient multi-axial ankle
US20090287315A1 (en) * 2004-05-28 2009-11-19 össur hf. Foot prosthesis with resilient multi-axial ankle
US7891258B2 (en) 2004-05-28 2011-02-22 össur hf Method of measuring the performance of a prosthetic foot
US7998221B2 (en) 2004-05-28 2011-08-16 össur hf Foot prosthesis with resilient multi-axial ankle
US7581454B2 (en) 2004-05-28 2009-09-01 össur hf Method of measuring the performance of a prosthetic foot
US7347877B2 (en) 2004-05-28 2008-03-25 össur hf Foot prosthesis with resilient multi-axial ankle
US9668887B2 (en) 2004-05-28 2017-06-06 össur hf Foot prosthesis with resilient multi-axial ankle
US8025699B2 (en) 2004-05-28 2011-09-27 össur hf Foot prosthesis with resilient multi-axial ankle
US20070106395A9 (en) * 2004-05-28 2007-05-10 Clausen Arinbjorn V Foot prosthesis with resilient multi-axial ankle
US20060058893A1 (en) * 2004-05-28 2006-03-16 Clausen Arinbjorn V Method of measuring the performance of a prosthetic foot
US20050267603A1 (en) * 2004-05-28 2005-12-01 Lecomte Christophe G Foot prosthesis with resilient multi-axial ankle
US20050267602A1 (en) * 2004-05-28 2005-12-01 Clausen Arinbjorn V Foot prosthesis with resilient multi-axial ankle
US8574313B2 (en) 2010-02-23 2013-11-05 össur hf Metatarsal joint shape for prosthetic foot and control mechanism and system for same
US9427338B2 (en) 2010-02-23 2016-08-30 össur hf Metatarsal joint shape for prosthetic foot and control mechanism and system for same
US20110208323A1 (en) * 2010-02-23 2011-08-25 Ossur Hf Metatarsal joint shape for prosthetic foot and control mechanism and system for same
US8486156B2 (en) 2010-02-26 2013-07-16 össur hf Prosthetic foot with a curved split
US20110213471A1 (en) * 2010-02-26 2011-09-01 össur hf Prosthetic foot with a curved split
US9999523B2 (en) 2011-09-26 2018-06-19 össur hf Frictionless vertical suspension mechanism for prosthetic feet
US8961618B2 (en) 2011-12-29 2015-02-24 össur hf Prosthetic foot with resilient heel
US9439786B2 (en) 2012-08-01 2016-09-13 össur hf Prosthetic ankle module
US10342680B2 (en) 2012-08-01 2019-07-09 Ossur Iceland Ehf Prosthetic ankle module
USD797292S1 (en) 2014-06-30 2017-09-12 össur hf Prosthetic foot plate
US9999524B2 (en) 2014-06-30 2018-06-19 össur hf Prosthetic feet and foot covers
USD795433S1 (en) 2015-06-30 2017-08-22 Össur Iceland Ehf Prosthetic foot cover

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