US810180A - Artificial limb. - Google Patents

Artificial limb. Download PDF

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Publication number
US810180A
US810180A US25845505A US1905258455A US810180A US 810180 A US810180 A US 810180A US 25845505 A US25845505 A US 25845505A US 1905258455 A US1905258455 A US 1905258455A US 810180 A US810180 A US 810180A
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Prior art keywords
ankle
foot
cord
pin
drum
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Expired - Lifetime
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US25845505A
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Harris C Wintermute
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Harris C Wintermute
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Priority to US25845505A priority Critical patent/US810180A/en
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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

Description

No. 810,180. PATENTED JAN. 16, 1906. H. G. WINTERMUTE.

ARTIFICIAL LIMB.

APPLICATION FILED MAY2,1905.

INVENTOR.

WlTNESSES:

M 170772;? 6. Mints/wads.

I 1 TTORNEY.

UNITED STATES PATENT onrrcn.

ARTIFICIAL LIMB.

Specification of Letters Patent.

Patented J an. 16, 1906;

Application filed May 2. 1905. Serial No. 258,455.

To aZZ whom it may concern: I

Be it known that I, HARRIS C. WINTER- MUTE, a citizen of the United States, residing at Kansas City, in the county of Jackson and State of Missouri, have invented certain new and useful Improvements in Artificial Limbs;

and I do declare the following to be a full,

clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the figures of reference marked thereon, which form a part of this specification.

My present invention relates to artifical limbs, and more particularly to an ankle for use on said limbs.

It is the object of my invention to provide a hollow ankle which is light and serviceable and will comprise the improved details of structure which will presently be described and pointed out in the claims, reference being had to the accompanying drawings; forming part of this specification,in which like reference-numerals refer to like parts throughout the several views, and in Which Figure 1 is a side elevation ,in central vertical section, of a foot and ankle constructed according to my invention. Fig. 2 is a sectional end view on the line at as, Fig. 1. Fig. 3 is a sectional plan view on the line y y, Fig.

2' Fig. 4 is a detail view of a portion of theto conform to the crown of a foot and has an angling lower surface 3 extending backwardly and downwardly at an angle to a point above the instep, the rear lower portion 4 of the shell being curved to conform to the shape of the upper portion of the heelwith its lower surface extending forwardly on substantially a horizontal line to meet the front lower surface 3. At the point of intersection of surfaces 3 and 4 is a transverse groove in each side of the shell in which is secured the upper portion of the ankle-joint, comprising a drum 30, the lower portion of which fits within a groove in the foot 6 and is adapted for limited rotative movement therein, and a hanger 7, depending from "a spool 8, fitting within drum 30 and extending downwardly through a circumferential slot 9 in said drum 30 and through the foot portion 6, to which it is secured by nut 10. Spool 8 fits snugly within the drum, but is free to move therein as the ankle moves backward and forward, as will be presently described. Drum 30 is rigidly secured to the ankle by means of bolts 33, which project through inwardly-projecting brackets 34 on the sides of the ankle and are secured thereto by nuts 35, the lower ends of the bolts projecting through and being secured in suitable perforations in drum 30. If so desired, the groove in foot 6 may be provided with a suitable bushing 11 and drum 30 with circumferential flanges 12, the latter tending to anchor said drum against lateral displacement. The top of foot 6 extends upwardly at the back from drum 30 and is adapted to fit within the heel portion of the ankle, the lower end of said ankle resting on a shoulder 13 when the leg is straight, but so conforming to the shape of the foot that as a step is taken the ankle will have a telescoping movement thereon. The top of foot 6 extends practically on a horizontal line for ward of the joint and has a lip 14, extending upwardly and inwardly over a portion of the ankle, forming a socket 15, in which the front of the ankle may move.

16 is a toe-cord anchored in a pocket in the forward portion of foot 6 by a screw l8,'which extends transversely through said foot and through aloop in the lower end of said cord. At its upper end cord 16 is secured in a loop 19 in a threaded pin 19, which extends upwardly through a perforation in a bracket 20, which extends intothe hollow ankle from the front.

Above bracket 20 and surrounding pin 19 are felt washers 21. 36 is .a rubber spring separating washers 21, and above spring 36 is the nut 22, which holds pin 19 in position.

At the rear and extending into the ankle from both sides is a pair of brackets23, through which extends a pin 2%, supporting the heelcord 25, which extends downwardly into a pocket26 in the heel of the foot 6 and is there anchored by the hoilow pin 27, which ex.- tends through said heel and through a loop in the lower end of said cord. 37 is a leather sleeve on pin 24 on which cord 23 rests.

In order to provide smooth surface when the ankle is covered, I provide pockets 28 in said ankle adjacent to the brackets 23, in which the heads of the pins 24 are sunk.

In order that the foot may be as light as possible and to give the desired resiliency, I provide a-tread 29, of felt or like material, which fits under a flange 3 1 extending around the lower edge of the foot and is suitably secured in the core in the bottom of said foot formed by said flange. 32 is a shoulder extending around the ankle near the, brackets 23 and against which the covering of the upj the toe-cord. As the artificial limb is advanced to take a ste the toe is held in this position until the bee strikes the ground and thewei ht is thrown thereon, when the toe is gradual y rocked down in the natural way by the toe-cord drawing against the tension of the rubber spring.

By providing a felt tread for the foot a further resiliency is given to the step as the artificial limb is lifted from theground to take another forward step. By constructing the anke-shell of aluminium, with the inwardlyprojecting brackets of only suflicient thicknessto sustain the strain that is put on them, any excessive weight is obviated without sacrificing the strength of the limb.

By making the pin 27'hollow the weight is further reduced, and the felt tread not only reduces the weight, but gives the desired resiliency and natural motion to the foot, which is ordinarily accomplished by a mechanical toe-joint.

By having a series of sleeves 37 of varying thicknesses the raising and lowering of the heel-cord is easily accomplished to adjust saidcord, a thick sleeve being used to shorten the cord and a thinner one to lengthen it.

Having thus fully described my invention, what I claim as new therein, and desire to secure by Letters Patent, is

1. In a device of the class described, a hollow ankle, a suitable foot carrying an anklejoint, lugs 34 integral with and projecting into said ankle, and means carried by said lugs for supporting said ankle-joint.

2. In a device of the class described, a hollow ankle and suitable foot, a pair of lugs integral with and projecting into said ankle at opposite sides thereof, a pin carried by said lugs, and a heel-cord carried by said pin and connected with said foot.

3. In a device of the class described, in

combination with. a suitable foot, a hollow ankle pivotally connected with said foot, a pair of brackets 23 projecting inwardly from the rear of said ankle, apin extending through said brackets having a head at one endand a threaded pocket in the other end, a screw adapted to fit within said pocket, the heads of said pin and said screw being countersunk in said ankle, and a heel-cord carried by said pin and anchored in the heel of said foot.

In testimony whereof I affix my signature in presence of two witnesses.

HARRIS C. WINTERMUTE.

Witnesses:

GEo. A. NEAL, A. M. MAXWELL.

US25845505A 1905-05-02 1905-05-02 Artificial limb. Expired - Lifetime US810180A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139525A (en) * 1989-07-31 1992-08-18 Kristinsson Oessur Prosthetic foot
US5314499A (en) * 1991-04-04 1994-05-24 Collier Jr Milo S Artificial limb including a shin, ankle and foot
US5545234A (en) * 1991-04-04 1996-08-13 Collier, Jr.; Milo S. Lower extremity prosthetic device
US20030028256A1 (en) * 2001-03-30 2003-02-06 Townsend Barry W. Prosthetic foot with tunable performance
US20040117036A1 (en) * 2001-03-30 2004-06-17 Townsend Barry W Prosthetic foot with tunable performance
US20040186592A1 (en) * 2001-03-30 2004-09-23 Townsend Barry W. Prosthetic foot with tunable performance
US20040186590A1 (en) * 2001-03-30 2004-09-23 Townsend Barry W. Prosthetic foot with tunable performance
US20050177250A1 (en) * 2001-03-30 2005-08-11 Townsend Barry W. Prosthetic foot with tunable performance
US20060178754A1 (en) * 2001-03-30 2006-08-10 Townsend Barry W Prosthetic foot with tunable performance and improved vertical load/shock absorption
US20070213841A1 (en) * 2001-03-30 2007-09-13 Townsend Barry W Prosthetic foot with tunable performance
US20070213840A1 (en) * 2003-09-30 2007-09-13 Townsend Barry W Prosthetic Foot with Tunable Performance
US20070219643A1 (en) * 2004-04-01 2007-09-20 Townsend Barry W Prosthetic Foot With Tunable Performance
US7374578B2 (en) 2001-03-30 2008-05-20 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US20110071650A1 (en) * 2003-09-30 2011-03-24 Townsend Barry W Resilient prosthetic and orthotic components which incorporate a plurality of sagittally oriented struts
US8236062B2 (en) 2001-03-30 2012-08-07 Bioquest Prosthetics Llc Prosthetic foot with tunable performance

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139525A (en) * 1989-07-31 1992-08-18 Kristinsson Oessur Prosthetic foot
US5314499A (en) * 1991-04-04 1994-05-24 Collier Jr Milo S Artificial limb including a shin, ankle and foot
US5545234A (en) * 1991-04-04 1996-08-13 Collier, Jr.; Milo S. Lower extremity prosthetic device
US7611543B2 (en) 2001-03-30 2009-11-03 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US20030191540A1 (en) * 2001-03-30 2003-10-09 Townsend Barry W. Prosthetic foot with tunable performance
US20040117036A1 (en) * 2001-03-30 2004-06-17 Townsend Barry W Prosthetic foot with tunable performance
US20040186592A1 (en) * 2001-03-30 2004-09-23 Townsend Barry W. Prosthetic foot with tunable performance
US20040186590A1 (en) * 2001-03-30 2004-09-23 Townsend Barry W. Prosthetic foot with tunable performance
US20050177250A1 (en) * 2001-03-30 2005-08-11 Townsend Barry W. Prosthetic foot with tunable performance
US20060178754A1 (en) * 2001-03-30 2006-08-10 Townsend Barry W Prosthetic foot with tunable performance and improved vertical load/shock absorption
US7211115B2 (en) 2001-03-30 2007-05-01 Townsend Barry W Prosthetic foot with tunable performance
US7226485B2 (en) 2001-03-30 2007-06-05 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US20070213841A1 (en) * 2001-03-30 2007-09-13 Townsend Barry W Prosthetic foot with tunable performance
US8236062B2 (en) 2001-03-30 2012-08-07 Bioquest Prosthetics Llc Prosthetic foot with tunable performance
US7708784B2 (en) 2001-03-30 2010-05-04 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US20030028256A1 (en) * 2001-03-30 2003-02-06 Townsend Barry W. Prosthetic foot with tunable performance
US7374578B2 (en) 2001-03-30 2008-05-20 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US20080183302A1 (en) * 2001-03-30 2008-07-31 Townsend Barry W Prosthetic foot with tunable performance
US7410503B2 (en) 2001-03-30 2008-08-12 Bioquest Prosthetics Llc Prosthetic foot with tunable performance
US7429272B2 (en) 2001-03-30 2008-09-30 Bioquest Prosthetics Llc Prosthetic foot with tunable performance
US7507259B2 (en) 2001-03-30 2009-03-24 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US7578852B2 (en) 2001-03-30 2009-08-25 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance and improved vertical load/shock absorption
US7364593B2 (en) 2001-03-30 2008-04-29 Bioquest Prosthetics Llc Prosthetic foot with tunable performance
US8808395B2 (en) 2003-09-30 2014-08-19 Bioquest Prosthetics, LLC. Resilient prosthetic and orthotic components which incorporate a plurality of sagittally oriented struts
US20110071650A1 (en) * 2003-09-30 2011-03-24 Townsend Barry W Resilient prosthetic and orthotic components which incorporate a plurality of sagittally oriented struts
US8070829B2 (en) 2003-09-30 2011-12-06 Bioquest Prosthetics Llc Prosthetic foot with tunable performance
US20070213840A1 (en) * 2003-09-30 2007-09-13 Townsend Barry W Prosthetic Foot with Tunable Performance
US8574314B2 (en) 2003-09-30 2013-11-05 Bioquest Prosthetics Llc Resilient prosthetic and orthotic components which incorporate a plurality of sagittally oriented struts
US7955399B2 (en) 2004-04-01 2011-06-07 Bioquest Prosthetics, Llc Prosthetic foot with tunable performance
US20070219643A1 (en) * 2004-04-01 2007-09-20 Townsend Barry W Prosthetic Foot With Tunable Performance

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