Radiograph marker

Claim 2

A radiograph marker comprising a pair of elements made of a relatively X-ray opaque material and interconnected in a manner to permit relative movement between the two elements, said elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters when placed between an X-ray source and a radiograph film, and gravity responsive means within one of said elements for indicating whether the marker is in a horizontal or vertical position.

Claim 3

A radiograph marker comprising a pair of elements made of a relatively X-ray-opaque material and interconnected in a manner to permit relative movement between the two elements, one of said elements being connected to the other element so that said one element forms a portion of one of the legs of an "L" in a first position and the diagonal leg of an "R" in a second position, the other of said elements forming the balance of the "L" in said first position and the balance of the "R" in said second position whereby the same marker can be used to form either an "L" or an "R" when placed between an X-ray source and a radiograph film.

Claim 4

A radiograph marker comprising a pair of elements made of a relatively X-ray-opaque material and interconnected in a manner to permit relative movement between the two elements, one of said elements being connected to the other element so that said one element forms a portion of one of the legs of an "L" in a first position and the diagonal leg of an "R" in a second position, the other of said elements forming the balance of the "L" in said first position and the balance of the "R" in said second position whereby the same marker can be used to form either an "L" or an "R" when placed between an X-ray source and a radiograph film.

Claim 5

A radiograph marker as set forth in claim 2 wherein said other element forms a positive stop for said one element at said first and second positions.

Claim 6

A radiograph marker as set forth in claim 1 wherein said gravity responsive means is located in an aperture in a portion of one of said elements, said aperture forming a portion of the outline of at least one of said letters.

Claim 7

A radiograph marker as set forth in claim 4 wherein said elements are interconnected by a link which extends across said aperture and is made of a relatively X-ray transparent material.

Claim 8

A radiograph marker as set forth in claim 1 wherein said gravity responsive means comprises an aperture formed in one of said elements and containing a movable indicator between two closure members which hold the movable indicator captive within the cavity formed by said closure members, at least one of said closure members forming a surface which guides the movable indicator to the center of said cavity when the marker is in a horizontal position and to the periphery of said cavity when the marker is in a vertical position.

Claim 13

A method of marking a radiograph as set forth in claim 7 wherein said gravity responsive means is located in an aperture in a portion of one of said elements, said aperture forming a portion of the outline of at least one of said letters.

Claim 14

A method of marking a radiograph as set forth in claim 7 wherein said gravity responsive means includes an aperture formed in one of said elements and containing a movable indicator between two closure members which hold the movable indicator captive within the cavity formed by said closure members, at least one of said closure members forming a surface which guides the movable indicator to the center of said cavity when the marker is in a horizontal position and to the periphery of said cavity when the marker is in a vertical position.

Claim 15

A marker for a body image record formed by subjecting a sensing medium to a selected form of radiation emanating from a body, said marker comprising a pair of elements made of a material which influences said selected form of radiation when the marker is placed between the body and the sensing medium, said elements being interconnected in a manner to permit relative movement between the two elements with the elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters, and gravity responsive means within one of said elements for indicating whether the marker is in a horizontal or vertical position.

Claim 16

A marker for a body image record formed by subjecting a sensing medium to a selected form of radiation emanating from a body, said marker comprising a pair of elements made of a material which influences said selected form of radiation when the marker is placed between the body and the sensing medium, said elements being interconnected in a manner to permit relative movement between the two elements with the elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters, and gravity responsive means within one of said elements for indicating whether the marker is in a horizontal or vertical position.

Claim 17

A marker for a body image record formed by subjecting a sensing medium to a selected form of radiation emanating from a body, said marker comprising a pair of elements made of material which influences said selected form of radiation, said elements being interconnected to permit relative movement between the two elements with the elements being shaped to form an "L" when in a first position relative to each other and to form an "R" when in a second position relative to each other whereby the same marker can be used to form either an "L" or an "R", one of said elements forming a portion of one of the legs of the "L" in said first position and the diagonal leg of the "R" in said second position.

Claim 18

A marker for a body image record formed by subjecting a sensing medium to a selected form of radiation emanating from a body, said marker comprising a pair of elements made of material which influences said selected form of radiation, said elements being interconnected to permit relative movement between the two elements with the elements being shaped to form an "L" when in a first position relative to each other and to form an "R" when in a second position relative to each other whereby the same marker can be used to form either an "L" or an "R", one of said elements forming a portion of one of the legs of the "L" in said first position and the diagonal leg of the "R" in said second position.

Claim 19

A radiograph marker comprising a pair of elements made of a relatively X-ray opaque material and interconnected in a manner to permit relative movement between the two elements, said elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters when placed between an X-ray source and a radiograph film, one of said elements forming a positive stop for the other of said elements in both the first and second positions to form said two different letters.

Claim 20

A radiograph marker comprising a pair of elements made of a relatively X-ray opaque material and interconnected in a manner to permit relative movement between the two elements, said elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters when placed between an X-ray source and a radiograph film, one of said elements forming a positive stop for the other of said elements in both the first and second positions to form said two different letters.

Claim 23

A marker for a body image record formed by subjecting a sensing medium to a selected form of radiation emanating from a body, said marker comprising a pair of elements made of a material which influences said selected form of radiation when the marker is placed between the body and the sensing medium, said elements being interconnected in a manner to permit relative movement between the two elements with the elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters, one of said elements forming a positive stop for the other of said elements in both the first and second positions to form said two different letters.

Claim 24

A marker for a body image record formed by subjecting a sensing medium to a selected form of radiation emanating from a body, said marker comprising a pair of elements made of a material which influences said selected form of radiation when the marker is placed between the body and the sensing medium, said elements being interconnected in a manner to permit relative movement between the two elements with the elements being shaped to form a first letter when in a first position relative to each other and to form a second letter when in a second position relative to each other whereby the same marker can be used to form either of two different letters, one of said elements forming a positive stop for the other of said elements in both the first and second positions to form said two different letters.