Distal targeting system

Details Distal targeting system Distal targeting system

1994-02-28

1996-12-17

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

408 13, 408 16, 408115B, 408 97, 324226, A61B 1756, B23B 4900, G01R 3302

Patent

active

055848389

ABSTRACT:
A femoral nail which can be implanted in a bone has a transverse hole, and an arrangement is provided for generating a magnetic field which has a maximum strength along an axis of the transverse hole and which decreases in strength in directions radially away from the axis. A drill guide for axially aligning a drill with the transverse hole has an axial drill opening through it, and first and second sensor arrangements are provided at axially spaced locations on the drill guide and each have a plurality of sensors which are at angularly spaced locations and are spaced radially from the opening through the drill guide. An arrangement responsive to the first and second sensor arrangements detects a deviation of the drill opening in the drill guide from coaxial alignment with the axis of the hole in the member, and provides an operator perceptible indication of a radial direction from the drill opening to the axis.

REFERENCES:
patent: 837133 (1907-03-01), Velasco
patent: 2844977 (1958-07-01), Morse
patent: 3062076 (1962-11-01), Graig
patent: 3281660 (1966-10-01), Studenick
patent: 3282132 (1966-11-01), Neuschotz
patent: 3367326 (1968-02-01), Frazier
patent: 3622784 (1971-11-01), Guercio
patent: 3659588 (1972-05-01), Kahn et al.
patent: 3683354 (1972-08-01), Enk
patent: 3757209 (1973-09-01), Schonstedt
patent: 3782373 (1974-01-01), Smythe
patent: 3814089 (1974-06-01), Deyerle
patent: 3836848 (1994-09-01), Blevins
patent: 3882287 (1975-05-01), Simmonds
patent: 4173228 (1979-11-01), Van Steenwyk et al.
patent: 4176662 (1979-12-01), Frazer
patent: 4223228 (1980-09-01), Kaplan
patent: 4281649 (1981-08-01), Derweduwen
patent: 4317078 (1982-02-01), Weed et al.
patent: 4338723 (1982-07-01), Benjamin
patent: 4386532 (1983-06-01), Benjamin
patent: 4416289 (1983-11-01), Bresler
patent: 4418422 (1983-11-01), Richter et al.
patent: 4427942 (1984-01-01), Sole
patent: 4431005 (1984-02-01), McCormick
patent: 4432369 (1984-02-01), Halvorsen
patent: 4445501 (1984-05-01), Bresler
patent: 4517540 (1985-05-01), McDougal
patent: 4526177 (1985-07-01), Rudy et al.
patent: 4541424 (1985-09-01), Grosse et al.
patent: 4545106 (1985-10-01), Juengel
patent: 4572198 (1986-02-01), Codrington
patent: 4621628 (1986-11-01), Brudermann
patent: 4625718 (1986-12-01), Olerud et al.
patent: 4654589 (1987-03-01), Whethan et al.
patent: 4657451 (1987-04-01), Tanaka
patent: 4708139 (1987-11-01), Dunbar, IV
patent: 4739751 (1988-04-01), Sapega et al.
patent: 4779319 (1988-10-01), Juengel
patent: 4781181 (1988-11-01), Tanguy
patent: 4790694 (1988-12-01), Wilent et al.
patent: 4800873 (1989-01-01), Audell
patent: 4803976 (1989-02-01), Frigg et al.
patent: 4846162 (1989-07-01), Moehring
patent: 4850344 (1989-07-01), Olerud et al.
patent: 4865025 (1989-09-01), Buzzi et al.
patent: 4877019 (1989-10-01), Vives
patent: 4905698 (1990-03-01), Strohl, Jr. et al.
patent: 4943770 (1990-07-01), Ashley-Rollman et al.
patent: 4969889 (1990-11-01), Greig
patent: 4985032 (1991-01-01), Goble
patent: 4998058 (1991-03-01), Tofte et al.
patent: 5127913 (1992-07-01), Thomas
patent: 5152764 (1992-10-01), Goble
patent: 5178621 (1993-01-01), Cook et al.

Affiliated with

Also associated with

Rating

Distal targeting system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Distal targeting system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Distal targeting system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1987879