GB1395896A – Endoprosthetic knee joint devices
– Google Patents
GB1395896A – Endoprosthetic knee joint devices
– Google Patents
Endoprosthetic knee joint devices
Info
Publication number
GB1395896A
GB1395896A
GB1827871A
GB1827871A
GB1395896A
GB 1395896 A
GB1395896 A
GB 1395896A
GB 1827871 A
GB1827871 A
GB 1827871A
GB 1827871 A
GB1827871 A
GB 1827871A
GB 1395896 A
GB1395896 A
GB 1395896A
Authority
GB
United Kingdom
Prior art keywords
portions
natural
bridge
femoral
bearing surfaces
Prior art date
1971-06-01
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
Application number
GB1827871A
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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.)
1971-06-01
Filing date
1971-06-01
Publication date
1975-05-29
1971-06-01
Application filed by National Research Development Corp UK
filed
Critical
National Research Development Corp UK
1971-06-01
Priority to GB1827871A
priority
Critical
patent/GB1395896A/en
1972-05-30
Priority to IE727/72A
priority
patent/IE36395B1/en
1972-05-30
Priority to US00257910A
priority
patent/US3816855A/en
1972-05-31
Priority to DE2226541A
priority
patent/DE2226541C2/en
1972-05-31
Priority to FR7219566A
priority
patent/FR2141126A5/fr
1972-06-01
Priority to CH812272A
priority
patent/CH548203A/en
1975-05-29
Publication of GB1395896A
publication
Critical
patent/GB1395896A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
A61F2/02—Prostheses implantable into the body
A61F2/30—Joints
A61F2/38—Joints for elbows or knees
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
Y10S264/30—Use of anatomy in making a mold or using said mold
Abstract
1395896 Endoprosthetic knee joints NATIONAL RESEARCH DEVELOPMENT CORP 25 May 1972 [1 June 1971] 18278/71 Heading A5R An endoprosthetic knee joint device has a femoral part 10, Fig. 11, having portions 11, 12 defining respective elongate bearing surfaces of longitudinally convex form, portions 11, 12 being joined by a bridge 13 so that a slot extends between portions 11, 12 from corresponding ends thereof, and a tibial part, Fig. 17, having portions 21, 22 each defining a bearing surface for engaging a said convex bearing surface of the part 10, portions 21, 22 being interconnected by a bridge 23 so that a slot extends between portions 21, 23 from bridge 23 to corresponding edges of portions 21, 22. In use the .bridges are located anteriorly with portions 11, 12, 21, 22 extending posteriorly therefrom and with the natural cruciate ligaments passing through said slots. The convex bearing surfaces are preferably shaped to conform closely to the natural femoral condyles. The bearing surfaces of portions 21, 22 are elongate and of generally dished form longitudintally and laterally, so that one pair of corresponding ends closely conform to the surface shapes of the anterior portions of the natural merisci when the joint is at or near zero flexion, and opposite ends conform to the natural menisii shape when the joint is at or near maximum flexion and the intermediate portions of said bearing surfaces smoothly join said end portions. The bridge 23 is formed as a ridge, and the bridge 13 which is formed as a trough and acts as a bearing surface for the patella. The components may be attached to the natural femur and tibia using acrylic resin or other gap-filling agents or cements, the back surface of the femoral component being provided with pegs 14 and/or webs and the back surface of the tibial component being provided with dovetail grooves 24 and central plateaus 26 to assist such securement. The femoral and tibial components may be made of metal, such as chrome/cobalt alloy, and of plastics material, such as polyethylene, respectively by casting in moulds made by using the natural bones.
GB1827871A
1971-06-01
1971-06-01
Endoprosthetic knee joint devices
Expired
GB1395896A
(en)
Priority Applications (6)
Application Number
Priority Date
Filing Date
Title
GB1827871A
GB1395896A
(en)
1971-06-01
1971-06-01
Endoprosthetic knee joint devices
IE727/72A
IE36395B1
(en)
1971-06-01
1972-05-30
Endoprosthetic knee joint devices
US00257910A
US3816855A
(en)
1971-06-01
1972-05-30
Knee joint prosthesis
DE2226541A
DE2226541C2
(en)
1971-06-01
1972-05-31
Knee joint endoprosthesis
FR7219566A
FR2141126A5
(en)
1971-06-01
1972-05-31
CH812272A
CH548203A
(en)
1971-06-01
1972-06-01
BALL PROSTHESIS AND PROCESS FOR ITS MANUFACTURE.
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB1827871A
GB1395896A
(en)
1971-06-01
1971-06-01
Endoprosthetic knee joint devices
Publications (1)
Publication Number
Publication Date
GB1395896A
true
GB1395896A
(en)
1975-05-29
Family
ID=10109721
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1827871A
Expired
GB1395896A
(en)
1971-06-01
1971-06-01
Endoprosthetic knee joint devices
Country Status (6)
Country
Link
US
(1)
US3816855A
(en)
CH
(1)
CH548203A
(en)
DE
(1)
DE2226541C2
(en)
FR
(1)
FR2141126A5
(en)
GB
(1)
GB1395896A
(en)
IE
(1)
IE36395B1
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2703059A1
(en)
*
1977-01-26
1978-07-27
Schuett & Grundei Sanitaet
KNEE JOINT ENDOPROTHESIS
GB2215610A
(en)
*
1988-02-05
1989-09-27
John William Goodfellow
Orthopaedic joint component and surgical tool and method.
Families Citing this family (122)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
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1972-02-08
1973-11-27
Relief Ruptured And Crippled S
Knee-joint prosthesis
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1974-10-22
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New York Society For The Relief Of The Ruptured And Crippled
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Ps Ii
FEMORAL IMPLANT COMPRISING A RECEPTION PORTION WITH ANCHORING PICOTS AND TOTAL KNEE PROSTHESIS COMPRISING SUCH A FEMORAL IMPLANT
WO2016007304A1
(en)
2014-07-08
2016-01-14
Zimmer, Inc.
Intercondylar component and fin attachment features for use in knee arthroplasty
US10231840B2
(en)
2016-07-27
2019-03-19
Howmedica Osteonics Corp.
Low profile tibial baseplate with fixation members
US11051829B2
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2018-06-26
2021-07-06
DePuy Synthes Products, Inc.
Customized patient-specific orthopaedic surgical instrument
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR1047640A
(en)
*
1952-01-10
1953-12-15
New joint prosthesis for surgical use
US2668531A
(en)
*
1952-02-15
1954-02-09
Edward J Haboush
Prosthesis for hip joint
DE6949817U
(en)
*
1969-12-24
1970-06-25
Link Waldemar Fa
PROSTHESIS FOR A HUMAN KNEE
1971
1971-06-01
GB
GB1827871A
patent/GB1395896A/en
not_active
Expired
1972
1972-05-30
US
US00257910A
patent/US3816855A/en
not_active
Expired – Lifetime
1972-05-30
IE
IE727/72A
patent/IE36395B1/en
unknown
1972-05-31
DE
DE2226541A
patent/DE2226541C2/en
not_active
Expired
1972-05-31
FR
FR7219566A
patent/FR2141126A5/fr
not_active
Expired
1972-06-01
CH
CH812272A
patent/CH548203A/en
not_active
IP Right Cessation
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2703059A1
(en)
*
1977-01-26
1978-07-27
Schuett & Grundei Sanitaet
KNEE JOINT ENDOPROTHESIS
GB2215610A
(en)
*
1988-02-05
1989-09-27
John William Goodfellow
Orthopaedic joint component and surgical tool and method.
US5314482A
(en)
*
1988-02-05
1994-05-24
British Technology Group Ltd.
Femoral component, tool and method
Also Published As
Publication number
Publication date
CH548203A
(en)
1974-04-30
IE36395L
(en)
1972-12-01
DE2226541C2
(en)
1983-04-28
FR2141126A5
(en)
1973-01-19
US3816855A
(en)
1974-06-18
DE2226541A1
(en)
1972-12-14
IE36395B1
(en)
1976-10-27
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Legal Events
Date
Code
Title
Description
1975-10-08
PS
Patent sealed [section 19, patents act 1949]
1988-01-13
PCNP
Patent ceased through non-payment of renewal fee
