Method and device for locating a foreign body in human eye

Claim 1

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, a transparent housing secured to said frame and having in one end thereof an arcuate recess the axis of which extends at right angles to a plane containing said pair of crosshairs, a plurality of radially spaced, concentric, radiopaque rings secured in said housing coaxially of the last-named recess, and a drop of mercury mounted in said housing for movement relative to said rings, and disposed to rest concentrically of said rings, when said pair of crosshairs is disposed horizontally.

Claim 2

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, a transparent housing secured to said frame and having in one end thereof an arcuate recess the axis of which extends at right angles to a plane containing said pair of crosshairs, a plurality of radially spaced, concentric, radiopaque rings secured in said housing coaxially of the last-named recess, and a drop of mercury mounted in said housing for movement relative to said rings, and disposed to rest concentrically of said rings, when said pair of crosshairs is disposed horizontally.

Claim 3

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on Whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, said front and side sections of said frame comprising a pair of transparent plates secured to and intersecting one another at right angles, said pair of crosshairs comprising a first radiopaque wire secured to one of said plates to extend at right angles to the other plate, and a second radiopaque wire secured to said one plate to extend at right angles to said first wire and parallel to said other plate, said third crosshair comprising a third radiopaque wire secured to said other plate parallel to said second wire, a droplet of mercury mounted in a transparent housing on said one plate for rolling movement into and out of a central position in which it is disposed coaxially of a circular recess in one end of said housing, when said one plate is disposed horizontally, and a plurality of radially spaced, radiopaque wire rings mounted concentrically in said housing coaxially of said recess to surround said droplet, when the latter is in its central position.

Claim 4

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on Whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, said front and side sections of said frame comprising a pair of transparent plates secured to and intersecting one another at right angles, said pair of crosshairs comprising a first radiopaque wire secured to one of said plates to extend at right angles to the other plate, and a second radiopaque wire secured to said one plate to extend at right angles to said first wire and parallel to said other plate, said third crosshair comprising a third radiopaque wire secured to said other plate parallel to said second wire, a droplet of mercury mounted in a transparent housing on said one plate for rolling movement into and out of a central position in which it is disposed coaxially of a circular recess in one end of said housing, when said one plate is disposed horizontally, and a plurality of radially spaced, radiopaque wire rings mounted concentrically in said housing coaxially of said recess to surround said droplet, when the latter is in its central position.

Claim 5

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, said front and side sections of said frame comprising a pair of transparent plates secured to and intersecting one another at right angles, said pair of crosshairs comprising a first radiopaque wire secured to one of said plates to extend at right angles to the other plate, and a second radiopaque wire secured to said one plate to extend at right angles to said first wire and parallel to said other plate, said third crosshair comprising a third radiopaque wire secured to said other plate parallel to said second wire, said mounting means comprising a telescopic member coupled at one end to said one plate for universal movement relative thereto, and a generally U-shaped nose clamp coupled intermediate its ends to the opposite end of said telescopic member for universal movement relative thereto, and adapted to have its open end positioned removably over the bridge of the nose of the person upon which the device is to be mounted, thereby to support said one plate in front of said one eye with said other plate extending rearwardly adjacent the person''s temple.

Claim 6

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, said front and side sections of said frame comprising a pair of transparent plates secured to and intersecting one another at right angles, said pair of crosshairs comprising a first radiopaque wire secured to one of said plates to extend at right angles to the other plate, and a second radiopaque wire secured to said one plate to extend at right angles to said first wire and parallel to said other plate, said third crosshair comprising a third radiopaque wire secured to said other plate parallel to said second wire, said mounting means comprising a telescopic member coupled at one end to said one plate for universal movement relative thereto, and a generally U-shaped nose clamp coupled intermediate its ends to the opposite end of said telescopic member for universal movement relative thereto, and adapted to have its open end positioned removably over the bridge of the nose of the person upon which the device is to be mounted, thereby to support said one plate in front of said one eye with said other plate extending rearwardly adjacent the person''s temple.

Claim 7

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said Pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, two annular members suspended from said front section for adjustment longitudinally thereof to register with the eyes of a patient, said side section being one of two temples, which are pivotally connected to said annular members for adjustment therewith relative to said front section, and disposed to extend along opposite sides of a patient''s head and over the ears thereof, said pair of radiopaque crosshairs comprising one of two pairs of radiopaque wires, each of said two pairs of wires being secured at right angles to one another across the central opening in one of said annular members, two transparent members secured to said temples to be supported thereby adjacent opposite sides of a patient''s head in registry with the templar areas thereof, said third crosshair being one of two, further radiopaque wires, each of which is secured to one of said two transparent members to extend parallel to one each of said two pairs of wires, and at right angles to said front section, and said arcuate member comprising one of two, arcuate, radiopaque wires, which are secured, respectively, to said two transparent members with the concave surfaces thereof disposed in spaced, confronting relation to said two further wires.

Claim 8

A device for use in conjunction with an X-ray machine for locating the position of a foreign body in a person''s eye relative to the optic globe of the eye, comprising a frame having a front section and a side section extending transverse to said front section, a pair of radiopaque crosshairs mounted on said front section to extend transverse to one another, a third, radiopaque crosshair mounted on said side section parallel to one of said pair of crosshairs, means for adjustably mounting said frame on a person''s head with said pair of crosshairs registering with the axis of the pupil of an eye of said person, and with said third crosshair disposed a predetermined distance rearwardly of the foremost arc of the pupil of said eye, and transverse to the axis of said Pupil, an arcuate, radiopaque member mounted on said side section for registry with said foremost arc of said pupil of the person on whom said frame is mounted, and having its concave surface confronting and spaced from said third crosshair, two annular members suspended from said front section for adjustment longitudinally thereof to register with the eyes of a patient, said side section being one of two temples, which are pivotally connected to said annular members for adjustment therewith relative to said front section, and disposed to extend along opposite sides of a patient''s head and over the ears thereof, said pair of radiopaque crosshairs comprising one of two pairs of radiopaque wires, each of said two pairs of wires being secured at right angles to one another across the central opening in one of said annular members, two transparent members secured to said temples to be supported thereby adjacent opposite sides of a patient''s head in registry with the templar areas thereof, said third crosshair being one of two, further radiopaque wires, each of which is secured to one of said two transparent members to extend parallel to one each of said two pairs of wires, and at right angles to said front section, and said arcuate member comprising one of two, arcuate, radiopaque wires, which are secured, respectively, to said two transparent members with the concave surfaces thereof disposed in spaced, confronting relation to said two further wires.