US3875594A - Surgically implantable prosthetic joint having load distributing flexible hinge - Google Patents

Surgically implantable prosthetic joint having load distributing flexible hinge Download PDF

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Publication number
US3875594A
US3875594A US391947A US39194773A US3875594A US 3875594 A US3875594 A US 3875594A US 391947 A US391947 A US 391947A US 39194773 A US39194773 A US 39194773A US 3875594 A US3875594 A US 3875594A
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US
United States
Prior art keywords
midsection
stem
stem portions
distal
joint
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.)
Expired - Lifetime
Application number
US391947A
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English (en)
Inventor
Alfred B Swanson
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.)
Wright Medical Technology Inc
Original Assignee
Dow Corning Corp
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 Dow Corning Corp filed Critical Dow Corning Corp
Priority to US391947A priority Critical patent/US3875594A/en
Priority to CA206,626A priority patent/CA1019901A/en
Priority to GB3556974A priority patent/GB1442022A/en
Priority to IT26311/74A priority patent/IT1019942B/it
Priority to AU72378/74A priority patent/AU484645B2/en
Priority to DE2440103A priority patent/DE2440103C3/de
Priority to SE7410687A priority patent/SE398043B/xx
Priority to NL7411319.A priority patent/NL158069B/nl
Priority to BE147892A priority patent/BE819173A/xx
Priority to FR7429139A priority patent/FR2242067B1/fr
Priority to JP49097793A priority patent/JPS5240797B2/ja
Priority to AT688474A priority patent/AT344308B/de
Priority to BR7113/74A priority patent/BR7407113D0/pt
Publication of US3875594A publication Critical patent/US3875594A/en
Application granted granted Critical
Priority to MX003266U priority patent/MX3390E/es
Anticipated expiration legal-status Critical
Assigned to WRIGHT MEDICAL TECHNOLOGY, INC. reassignment WRIGHT MEDICAL TECHNOLOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SWANSON, ALFRED B. M.D.
Assigned to BANCBOSTON TRUST COMPANY OF NEW YORK 1ST NATIONAL BANK OF BOSTON reassignment BANCBOSTON TRUST COMPANY OF NEW YORK 1ST NATIONAL BANK OF BOSTON SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: WRIGHT MEDICAL TECHNOLOGY, INC.
Assigned to WRIGHT MEDICAL TECHNOLOGY, INC. reassignment WRIGHT MEDICAL TECHNOLOGY, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DOW CORNING CORPORATION
Expired - Lifetime legal-status Critical Current

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    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30138—Convex polygonal shapes
    • A61F2002/30153—Convex polygonal shapes rectangular
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30138—Convex polygonal shapes
    • A61F2002/30158—Convex polygonal shapes trapezoidal
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30563—Special structural features of bone or joint prostheses not otherwise provided for having elastic means or damping means, different from springs, e.g. including an elastomeric core or shock absorbers
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30594—Special structural features of bone or joint prostheses not otherwise provided for slotted, e.g. radial or meridian slot ending in a polar aperture, non-polar slots, horizontal or arcuate slots
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
    • A61F2/30771—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth applied in original prostheses, e.g. holes or grooves
    • A61F2002/3082—Grooves
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • A61F2002/4243—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers for interphalangeal joints, i.e. IP joints
    • 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
    • A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
    • A61F2002/4251—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers for metacarpo-phalangeal joints, i.e. MCP or MP joints, e.g. knuckle joints
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • A61F2230/0019—Angular shapes rectangular
    • 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
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0017—Angular shapes
    • A61F2230/0026—Angular shapes trapezoidal

Definitions

  • ABSTRACT A one-piece surgically implantable prosthetic joint of molded silicone rubber.
  • the prosthesis consists of enlarged midsection and a pair of oppositely projecting distal and proximal stem portions.
  • the volar side of the midsection has a transverse channel extending across its width forming a flexible hinge.
  • the side wall of the channel at the proximal stem side has a central depression formed therein to allow for the redistribution of compression forces and to accommodate displaced material from the reinforced base of the distal stem portion into the midsection on flexion movement.
  • the present invention relates to surgically implantable prosthetic devices for replacing skeletal joints. More particularly, the invention relates to such joint prosthesis having an improved flexible hinge formed therein.
  • the present invention provides means for localizing the flexure at the midsection wherein a thickened reinforced portion of the distal end at the midsection is allowed to flex into a depression formed in the proximal middle area ofthe volar aspect of the midsection. Flexure can thus occur more easily as the thickened area moves into the depression during flexure. Accordingly, flexure loading is decreased while flexure life is increased without sacrificing strength and stability of the joint.
  • the improved hinge further allows for redistribution of compression forces as the material is displaced during flexion to thereby maintain a natural joint alignment.
  • FIG. I is a partial cross section of a human hand showing the implant of prosthetic joints of the present invention.
  • FIG. 2 is a side elevational view of the prosthesis of the invention
  • FIG. 3 is a plan view of the joint as viewed from the volar side;
  • FIG. 4 is an enlarged partial cross-sectional view taken along the plane IV-IV of FIG. 3;
  • FIG. 5 is an enlarged cross-sectional view of the distal stern taken along the plane V-V of FIG. 3;
  • FIG. 6 is an enlarged cross-sectional view ofthe proximal end taken along the plane VI-VI of FIG. 3;
  • FIG. 7 is a perspective view generally along the volar side showing the prosthetic joint in a flexed position.
  • FIG. 1 illustrates the placement of the prosthesis of the invention for the knuckle and finger joints in a human hand.
  • the natural joint is partially surgically removed and the intramedullary canals of the adjacent bone ends are prepared with a curette, broach, or drill to receive the stem portions of the prosthesis.
  • the connective tissue, fascia and skin are replaced following implantation. Since the exact surgical procedure involved in the implanting of the joint forms no part of the present invention, it will not be described in detail.
  • the joint includes an enlarged midsection 12 from which a pair of oppositely directed stem members 14 and 16 extend.
  • the shorter stem 14 will hereinafter be referred to as the distal stem or end, while the opposite, longer stem will be referred to as the proximal stem or end 16.
  • the upper surface of the prosthetic joint will be referred to as the dorsal surface and the lower surface 20 the volar surface.
  • distal proximal, dorsal, and volar
  • the enlarged midsection 12 is provided with a transversely extending trough or channel 22 which serves to form the flexible hinge.
  • Channel 22 opens from volar surface 20 and extends upwardly.
  • a rounded, thickened, transverse section 24 is provided above channel 22 on the dorsal surface 18.
  • the side wall 26 of trough 22 extends downwardly at the proximal side to form an integral intersection with proximal stem 16.
  • the proximal stem is generally rectangular in cross section tapering along its length outwardly form its thickest portion at the intersection with wall 26.
  • the volar surface of stem 16 flows outwardly forming a rounded volar interface 28 (FIG. 4) at its intersection with wall 26 at volar surface 20.
  • Distal stem I4 is similarly generally rectangular in cross section tapering slightly outwardly from its outer end to its thickened portion at the intersection with midsection 12.
  • the thickened portion 30 of the distal stem at the volar surface curves upwardly into the channel 22 opposite wall 26 to form the opposite boundary of the channel 22.
  • the distal stem is slightly offset or placed relatively dorsal to the proximal stem to give better control of the palmar displacing forces.
  • the thickened curved portion 30 of the distal stem at the intersection with the midsection serves to localize flexion at the channel 22, thus discouraging any tendency toward flexion at the stem-midsection interface.
  • a depression or recess 34 is provided in the volar, proximal middle area of wall 26 to accommodate the thickened portion 30 of the distal stem upon flexure. Flexion can thus occur more easily as the thickened area 30 moves into the depression 34.
  • the depression 34 also allows for the redistribution of compression forces during flexion to maintain joint alignment.
  • the thickened portion 30 of the distal stern and its inherent cooperation with depression 34 in the central area of wall 26 decreases flex loading and actually increases flex life while still maintaining strength and stability of the joint.
  • the dorsal and volar surfaces of the distal and proximal stems may be provided with irregularities as slightly raised dimples 38 for tissue ingrowth and to anchor the implant more securely in position.
  • the implantable prosthetic joint of the invention is molded of flexible elastomeric, physiologically inert, material.
  • CLEAN ROOM DOW COR- NlNG Silicone Rubber Compound No. MDX 4-4515 available from the Dow Corning Corporation, Midland, Michigan, is one material selected to meet the requirements of the flexible joint implant. While the prosthetic device is described as being made of silicone rubber, it will be realized that other flexible, clinically inert materials having sufficient strength may be used.
  • a surgically implantable prosthesis for replacing bone joints comprising: a one-piece body of flexible inert material, said body having an enlarged central midsection and a pair of outwardly directed stem portions; said stem portions corresponding generally to the dimension of the intramedullary canals of the bones adjacent said joint for implantation therein, said midsection extending laterally outwardly on both sides of said stem portions; a wall formed at the intersection of one of said stem portions and said midsection, said wall defining a longitudinal channel extending through said midsection and forming a hinge between said stem portions; the other of said stern portions having an area of thickened cross section at its intersection with said midsection; and a depression formed in said wall to accomodate displacement of said material upon bending movement of said one of said stem portions with respect to said other of said stem portions.
  • a flexible prosthetic joint for replacing bone joints comprising an elongated body having a distal stem and an oppositely directed proximal stem separated by an enlarged midsection formed of flexible inert material, said midsection extending transverse to said elongated body and having a recess formed along its transverse length opening from the volar side of said joint; said midsection having an area of thickened cross section forming a hinge at the dorsal surface of said body between said distal and proximal stems; said distal stem being tapered along its length and having an area of thickened cross section at its intersection with said midsection; and a wall surface of said recess at the proximal side thereof having a depression formed therein to accommodate said thickened area of said distal stem upon flexion of said hinge.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (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)
US391947A 1973-08-27 1973-08-27 Surgically implantable prosthetic joint having load distributing flexible hinge Expired - Lifetime US3875594A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US391947A US3875594A (en) 1973-08-27 1973-08-27 Surgically implantable prosthetic joint having load distributing flexible hinge
CA206,626A CA1019901A (en) 1973-08-27 1974-08-08 Surgically implantable prosthetic joint having load distributing flexible hinge
GB3556974A GB1442022A (en) 1973-08-27 1974-08-13 Surgically implantable prosthetic joints
IT26311/74A IT1019942B (it) 1973-08-27 1974-08-14 Camente impiantabile avente una cerniera flessibile distributrice del carico
AU72378/74A AU484645B2 (en) 1973-08-27 1974-08-15 Surgically implantable prosthetic joint having load distributing flexible hinge
DE2440103A DE2440103C3 (de) 1973-08-27 1974-08-21 Gelenkendoprothese zum Ersetzen von Knochengelenken
SE7410687A SE398043B (sv) 1973-08-27 1974-08-22 Kirurgiskt inplanterbar protes for ersettande av benleder
AT688474A AT344308B (de) 1973-08-27 1974-08-26 Operativ implantierbare gelenkprothese
NL7411319.A NL158069B (nl) 1973-08-27 1974-08-26 Inplantbare vingergewrichtprothese.
BE147892A BE819173A (fr) 1973-08-27 1974-08-26 Prothese d'articulation pouvant etre implantee ayant une charniere flexible distribuant les charges
FR7429139A FR2242067B1 (nl) 1973-08-27 1974-08-26
JP49097793A JPS5240797B2 (nl) 1973-08-27 1974-08-26
BR7113/74A BR7407113D0 (pt) 1973-08-27 1974-08-27 Protese cirurgicamente implantavel e junta protetica flexivel
MX003266U MX3390E (es) 1973-08-27 1975-08-20 Protesis mejorada implantable quirurgicamente para reemplazar articulaciones de huesos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US391947A US3875594A (en) 1973-08-27 1973-08-27 Surgically implantable prosthetic joint having load distributing flexible hinge

Publications (1)

Publication Number Publication Date
US3875594A true US3875594A (en) 1975-04-08

Family

ID=23548628

Family Applications (1)

Application Number Title Priority Date Filing Date
US391947A Expired - Lifetime US3875594A (en) 1973-08-27 1973-08-27 Surgically implantable prosthetic joint having load distributing flexible hinge

Country Status (13)

Country Link
US (1) US3875594A (nl)
JP (1) JPS5240797B2 (nl)
AT (1) AT344308B (nl)
BE (1) BE819173A (nl)
BR (1) BR7407113D0 (nl)
CA (1) CA1019901A (nl)
DE (1) DE2440103C3 (nl)
FR (1) FR2242067B1 (nl)
GB (1) GB1442022A (nl)
IT (1) IT1019942B (nl)
MX (1) MX3390E (nl)
NL (1) NL158069B (nl)
SE (1) SE398043B (nl)

Cited By (83)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158893A (en) * 1976-10-12 1979-06-26 Swanson Alfred B Protective sleeve for implantable prosthesis and method of protecting the prosthesis
US4198713A (en) * 1976-10-12 1980-04-22 Swanson Alfred B Protective member for implantable prosthesis and method of protecting the prosthesis
US4204284A (en) * 1977-11-16 1980-05-27 Lord Corporation Joint prosthesis with contoured pin
US4229839A (en) * 1977-11-16 1980-10-28 Lord Corporation Joint prosthesis
US4231122A (en) * 1977-11-16 1980-11-04 Lord Corporation Knee joint prosthesis
US4246662A (en) * 1979-06-07 1981-01-27 Zimmer Usa, Inc. Prosthetic joint
US4313232A (en) * 1979-01-10 1982-02-02 Habal Mutaz B An elastomeric mesh hinge primarily for replacement of the finger joints
US4367562A (en) * 1980-06-19 1983-01-11 Georges Gauthier Joint prosthesis
US4655778A (en) * 1985-08-12 1987-04-07 Harrington Arthritis Research Center Joint prosthesis
US4871367A (en) * 1987-09-03 1989-10-03 Sutter Biomedical Corporation Surgically implanted prosthesis
US4908031A (en) * 1989-07-27 1990-03-13 Dow Corning Wright Toe implant
US5405400A (en) * 1993-10-05 1995-04-11 Orthomet, Inc. Joint prosthesis enabling rotary circumduction
US5405401A (en) * 1993-10-05 1995-04-11 Orthomet, Inc. Prosthesis for replacement of joints between long bones in the hand
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AU7237874A (en) 1976-02-19
GB1442022A (en) 1976-07-07
SE398043B (sv) 1977-12-05
JPS5240797B2 (nl) 1977-10-14
NL7411319A (nl) 1975-03-03
FR2242067B1 (nl) 1977-11-04
BE819173A (fr) 1975-02-26
CA1019901A (en) 1977-11-01
ATA688474A (de) 1977-11-15
DE2440103A1 (de) 1975-07-24
MX3390E (es) 1980-10-27
JPS5055195A (nl) 1975-05-15
BR7407113D0 (pt) 1975-07-01
AT344308B (de) 1978-07-10
DE2440103B2 (de) 1980-01-24
FR2242067A1 (nl) 1975-03-28
IT1019942B (it) 1977-11-30
SE7410687L (nl) 1975-02-28
DE2440103C3 (de) 1980-09-11
NL158069B (nl) 1978-10-16

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