Surgery – Instruments – Orthopedic instrumentation
Patent
1994-05-17
1996-10-08
Brittingham, Debra S.
Surgery
Instruments
Orthopedic instrumentation
623 16, A61F 504
Patent
active
055626661
ABSTRACT:
An apparatus for treating fractures of the femur including a screw and an intramedullary rod. The screw has a threaded portion and a smooth portion. The rod has a head and a stem. There is at least one opening through the head of the rod in an angled direction toward the femoral head relative to the longitudinal axis of the rod. The opening is adapted to slidingly receive the screw to permit the threaded portion of the screw, in use, to engage the femoral head and to allow sliding compression of a femoral neck or intertrochanteric fracture. An optional second opening and second screw which will also allow sliding compression may be provided to prevent rotation and to adapt the fracture device to a variety of applications.
REFERENCES:
patent: 4281649 (1981-08-01), Derweduwen
patent: 4473069 (1984-09-01), Kolmert
patent: 4522202 (1985-06-01), Otte et al.
patent: 4622959 (1986-11-01), Marcus
patent: 4667664 (1987-05-01), Taylor et al.
patent: 4733654 (1988-03-01), Marino
patent: 4827917 (1989-05-01), Brumfield
patent: 5041114 (1991-08-01), Chapman et al.
patent: 5167663 (1992-12-01), Brumfield
patent: 5312406 (1994-05-01), Brumfield
Huckstep, R. L.: "Huckstep Intramedullary Compression Nail" (Downs Surgical 1981).
The cover, p. 3 (title page) and p. 37 from a Grosse & Kempf brochure entitled "Locking Nail System--Indications and Clinical Cases";.
Pp. 1023-1028 from the text entitled Fractures vol. II by Rockwood and Green;.
A Russell-Taylor 1987 brochure entitled "Surgical Technique".
1983 Richards Technical Publication entitled "Richards Compression Hip Screw Technical Information".
The Grosse & Kempf interlocking femoral nail consisting of a nail and threded locking screw.
The Russell-Taylor interlocking femoral nail consisting of a nail and threded locking screw.
The cover, p. 3 and p. 37 from the Grosse & Kempf brochure entitled "Locking Nail System--Indications and Clinical Cases".
A prototype of the invention of the present application consisting of an intramedullary rod and two, smooth-shanked screws.
A series of three computer-generated overlay drawings illustrating the device shown in FIG. 3 of Marcus U.S. Pat. No. 4,622,959 with a screw having a diameter of 0.1960".
A series of three computer-generated overlay drawings illustrating the device shown in FIG. 3 of Marcus U.S. Pat. No. 4,622,959 with screw having a diameter of 0.1250".
A sample of a 0.125" 3.2 (mm) threaded pin.
A 1983 Richards Technical Publication entitled "Richards Compression Hip Screw Technical Information".
A Jewett nail.
A classic sliding hip screw consisting of a plate and a lag screw.
Brochure entitled "Russell-Taylor Interlocking Nail System".
Article entitled "Nailing of Intertrochanteric Fractures".
Brittingham Debra S.
Smith & Nephew Richards Inc.
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