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US3801989A Expired / Lapsed US ⏱️ 0.0 years remaining

Artificial limb joints

Assignee: Individual
•
Filing: 1972-10-30
•
Granted: 1974-04-09
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Expires: 1992-10-30
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Abstract

Abstract An artificial hip joint has a cup-like socket portion into which a ball engages. A limb engaging stub depends from said ball and has a waisted portion below the ball and flange beneath the waisted portion. A bore of non-circular cross-section is provided in the waisted portion and an introducer and extractor tool has a limb whose end portion fits into the bore for non-rotatable engagement therein. A tong-like dislocator tool is provided and includes two arms, the end of which engage the bore and flange respectively.

Inventors

  • 👤 Kee G Mc

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:07
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/46; A61F2/4603; A61F2/4607; A61F2/32; A61F2/4637; A61F2/30767; A61F2/30771; A61F2002/30795; A61F2002/30797; A61F2/34; A61F2002/3412; A61F2002/3429; A61F2/36; A61F2/3609; A61F2002/3611; A61F2002/3625; A61F2002/3627; A61F2002/3631; A61F2002/4619; A61F2002/4622; A61F2002/4641

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 81 words
An artificial hip joint comprising in combination a cup-like socket portion and a ball engaging in said socket portion, a limb engaging stub depending from said ball, a waisted portion below said ball, said waisted portion having a bore of non-circular cross-section extending therethrough, a flange below said waisted portion from which flange said stub depends, and a tool including a limb end portion non-rotatably engaging in said bore to facilitate manipulation of said hip joint during introduction and extraction thereof.
Claim 2
Dependent Claim 81 words
An artificial hip joint comprising in combination a cup-like socket portion and a ball engaging in said socket portion, a limb engaging stub depending from said ball, a waisted portion below said ball, said waisted portion having a bore of non-circular cross-section extending therethrough, a flange below said waisted portion from which flange said stub depends, and a tool including a limb end portion non-rotatably engaging in said bore to facilitate manipulation of said hip joint during introduction and extraction thereof.
Claim 3
Dependent Claim 28 words
In combination, a hip joint as claimed in claim 1, and said tool being an introducer/extractor tool having a limb end portion for non-rotatable engagement iN said bore.
Claim 4
Dependent Claim 17 words
The combination as claimed in claim 2, comprising means for retaining said end portion in said bore.
Claim 5
Dependent Claim 82 words
An artificial hip joint comprising in combination a cup-like socket portion and a ball engaging in said socket portion, a limb engaging stub depending from said ball, a waisted portion below said ball and having a bore therethrough, a flange below said waisted portion from which flange said stub depends, a tongs-like dislocator tool including a pair of arms, the end of one of said arms engaging in said bore and the end of the other of said arms engaging said flange.
Claim 6
Dependent Claim 82 words
An artificial hip joint comprising in combination a cup-like socket portion and a ball engaging in said socket portion, a limb engaging stub depending from said ball, a waisted portion below said ball and having a bore therethrough, a flange below said waisted portion from which flange said stub depends, a tongs-like dislocator tool including a pair of arms, the end of one of said arms engaging in said bore and the end of the other of said arms engaging said flange.

References Cited (Backward Citations)

FR1506594A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-04-08 1977-10-08 1978-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-04-08 1981-10-08 1982-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-04-08 1985-10-08 1986-04-09 $7700.00 Window Closed / Lapsed

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