Modular joint
First Claim
1. A modular joint comprising a basic implantable joint structured to function as a first complete joint, which contains an adaptation configured such that at least one addable component can be added to the basic joint to form a second complete joint without removal of the joint from a site to which it can be initially implanted.
2 Assignments
0 Petitions
Accused Products
Abstract
Basic implantable joint is adapted such that addable component(s) thereto can be added to the basic joint without removal of the joint from the site to which it can be initially implanted to provide a modular joint. Other modular features to a basic implantable joint are provided as well. The modular joint can be, for example, that of the knee and include a basic, implantable femoral component, with the addable component(s) able to be added inter-condylarly, which, for example, can include an insertable rotation device with a swingable, depending male type part; intramedullary spike and/or posterior stabilizing stop.
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Citations
31 Claims
- 1. A modular joint comprising a basic implantable joint structured to function as a first complete joint, which contains an adaptation configured such that at least one addable component can be added to the basic joint to form a second complete joint without removal of the joint from a site to which it can be initially implanted.
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13. In an artificial joint, which generally has natural load transfer capability, which includes a first component including a first articular surface and a rotation device, wherein the rotation device includes a swingable, depending male-type part;
- and a second component including a second articular surface for mating with the first articular surface, and a rotation device receptacle, wherein the rotation device receptacle includes a female-type part—
said first component matable to said second component through male-female cooperation of the rotation device and the rotation device receptacle, and wherein said first component can cooperate with said second component in contact of the first and second articular surfaces and in articulation of the joint when said first component is mated to said second component, wherein said first and second articular surfaces are such that they can have anatomical gliding contact against one another during anatomical rotation in addition to anatomical flexion and extension—
the improvement which comprises an adaptation such that at least one addable component can be added to the basic joint, which is structured to function as a first complete joint, to form a second, complete configuration of the joint without removal of the joint from a site to which it can be initially implanted. - View Dependent Claims (14, 15, 16, 17)
- and a second component including a second articular surface for mating with the first articular surface, and a rotation device receptacle, wherein the rotation device receptacle includes a female-type part—
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18. In an artificial femoral component for a knee, which includes the following:
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a femoral component frame, which includes two side walls connected to a front wall, the same being connectable in proximal and deep directions to distal condylar, posterior and anterior flanges, with said distal flange connected to said posterior and anterior flanges;
a smooth condylar surface of generally convex geometry connected to the femoral component frame in distal and superficial directions, which includes an inferior, medial condyle;
an inferior, lateral condyle;
a posterior, medial condyle;
a posterior, lateral condyle;
an anterior, medial condyle; and
an anterior, lateral condyle;
plus a trochlear surface on a superficial side of the anterior flange, on which a trochlea may generally ride;
said condylar surface being such that an inter-condylar notch is present between medial and lateral condyles; and
a rotation device connected to the femoral component frame, which includes the following;
an angular rotation member having a rotation member hole in a proximal extremity thereto, which hole spans the rotation member in a medial to lateral direction, which rotation member about a distal extremity thereof can be inserted into a corresponding receptacle in a tibial tray; and
an axle passing through the hole which spans the rotation member and is connected to a frame through holes in side walls thereof;
the improvement which comprises as the rotation device a modular, inferiorly insertable rotation device, which can be inserted into and removed from a corresponding receptacle in the femoral component frame, wherein the angular rotation member is connected to the axle which is connected to walls of the modular, inferiorly insertable rotation device by holes in said walls through which the axle passes.
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19. An addable component for a modular ginglymous type joint implant comprising a housing having at least one flat side;
- an axle attached to the housing for receiving a rotation member; and
the rotation member received on and depending from the axle, the rotation member being a male type part—
wherein the addable component can be added to the modular ginglymous type joint. - View Dependent Claims (20, 21)
- an axle attached to the housing for receiving a rotation member; and
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22. An artificial femoral component for a knee, which comprises the following:
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a femoral component frame, which includes two side walls connected to a front wall, the same being connectable in proximal and deep directions to distal condylar, posterior and anterior flanges, with said distal flange connected to said posterior and anterior flanges;
a smooth condylar surface of generally convex geometry connected to the femoral component frame in distal and superficial directions, which includes an inferior, medial condyle;
an inferior, lateral condyle;
a posterior, medial condyle;
a posterior, lateral condyle;
an anterior, medial condyle; and
an anterior, lateral condyle;
plus a trochlear surface on a superficial side of the anterior flange, on which a trochlea may generally ride;
said condylar surface being such that an inter-condylar notch is present between medial and lateral condyles; and
a receiving housing in the femoral component frame and generally between lateral and medial condyles, said receiving housing able to receive a modular component insert therein. - View Dependent Claims (23, 24, 25, 26)
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- 27. A modular joint comprising a basic implantable joint which has natural load transfer capability, which is structured to function as a first complete joint, and which contains an adaptation configured such that at least one addable component can be added to the basic joint to form a second complete joint without removal of the joint from a site to which it can be initially implanted.
Specification