Surgical tool with surgical field illuminator

Claim 2

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; wherein said surgical tool is fixedly connected to an intermediate section of said body portion of said fiber optic member.

Claim 3

The surgical tool of claim 1, wherein said light-transmitting member is attached to said port of said surgical tool.

Claim 4

The surgical tool of claim 1, wherein said light-transmitting member is a window of light-transmitting material having a thickness sufficient to reduce the light density transmitted out said port of said surgical tool and through said window so that a surface temperature of said adjacent surgical region rises less than about 55° C. when light is transmitted through said window to said region.

Claim 5

The surgical tool of claim 3, wherein said window is about 4 mm in thickness.

Claim 6

The surgical tool of claim 1, wherein said tool is comprised of a malleable stainless steel tube, and further comprising a polymeric sheath of heat-shrinking material surrounding said malleable stainless steel tube.

Claim 7

The surgical tool of claim 2, wherein said surgical tool is a cannula having a length of between about 4 to 8 inches.

Claim 8

The surgical tool of claim 6, wherein said cannula has an outer diameter of between about 11/2 to 3 mm.

Claim 9

The surgical tool of claim 7, wherein said cannula has an inner diameter of between about 1 to 2 mm.

Claim 10

The surgical tool of claim 1, wherein said surgical tool is made from a material that is malleable such that the cannula can be bent to a desired position.

Claim 11

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; further comprising a connector for connecting said fiber optic member with said surgical tool, said connector being connected to an intermediate section of the body portion of said fiber optic member spaced away from said light-delivering end, so that a tool-insertable section of said fiber optic member extends between said connector and the light-delivering end of said fiber optic member, wherein the light-delivering end of said fiber optic member and said tool-insertable section of said fiber optic member is received within said surgical tool when said surgical tool is connected to said connector.

Claim 12

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; further comprising a connector for connecting said fiber optic member with said surgical tool, said connector being connected to an intermediate section of the body portion of said fiber optic member spaced away from said light-delivering end, so that a tool-insertable section of said fiber optic member extends between said connector and the light-delivering end of said fiber optic member, wherein the light-delivering end of said fiber optic member and said tool-insertable section of said fiber optic member is received within said surgical tool when said surgical tool is connected to said connector.

Claim 13

The surgical tool of claim 10, wherein said connector provides a releasable connection between said fiber optic member and said surgical tool.

Claim 14

The surgical tool of claim 10, wherein said fiber optic member is positioned in a corresponding opening through said connector, and said connector is attached to said intermediate section of the body portion of said fiber optic member.

Claim 15

The surgical tool of claim 12, wherein said tool has a corresponding connector member which is joinable with the connector attached to said fiber optic member, so as to attach said tool to said fiber optic member.

Claim 16

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member; wherein said fiber optic member is a single fiber having a diameter of from about 0.1-2 mm.

Claim 17

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member; wherein said fiber optic member is a single fiber having a diameter of from about 0.1-2 mm.

Claim 18

The surgical tool of claim 14, wherein said fiber is formed of a plastic material.

Claim 19

The surgical tool of claim 15, wherein said fiber is flexible.

Claim 20

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; wherein said light-transmitting member is attached to said fiber optic member.

Claim 21

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; wherein said light-transmitting member is attached to said fiber optic member.

Claim 22

The surgical tool of claim 17, wherein said fiber optic member and said light-transmitting member are both insertable into said surgical tool.

Claim 23

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; further comprising a second light-conveying fiber optic member positioned between said light-receiving end and said source of light, and spaced apart from said light-receiving end, for optically connecting said light-receiving end with said source of light.

Claim 24

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; further comprising a second light-conveying fiber optic member positioned between said light-receiving end and said source of light, and spaced apart from said light-receiving end, for optically connecting said light-receiving end with said source of light.

Claim 25

The surgical tool of claim 19, further including a stainless steel tube surrounding said light-receiving end and at least a portion of said second fiber optic member.

Claim 26

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port in said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member: further comprising a second light-conveying fiber optic member positioned between said light-receiving end and said source of light, and spaced apart from said light-receiving end, for optically connecting said light-receiving end with said source of light; and wherein said second fiber optic member is spaced apart from said light-receiving end a distance greater than about 0.01 inch and less than about 0.1 inch.

Claim 27

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port in said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member: further comprising a second light-conveying fiber optic member positioned between said light-receiving end and said source of light, and spaced apart from said light-receiving end, for optically connecting said light-receiving end with said source of light; and wherein said second fiber optic member is spaced apart from said light-receiving end a distance greater than about 0.01 inch and less than about 0.1 inch.

Claim 28

The surgical tool of claim 21, wherein said second fiber optic member is spaced apart from said light-receiving end a distance of about 0.07 inch.

Claim 29

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; wherein said light-transmitting member is a window of light-transmitting material, said window being spaced away from the light-delivering end of said fiber optic member so that light transmitted through said window and out said port of said surgical tool raises the surface temperature of said adjacent surgical region less than about 55° C. when light is transmitted through said window to said region.

Claim 30

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; wherein said light-transmitting member is a window of light-transmitting material, said window being spaced away from the light-delivering end of said fiber optic member so that light transmitted through said window and out said port of said surgical tool raises the surface temperature of said adjacent surgical region less than about 55° C. when light is transmitted through said window to said region.

Claim 31

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; further including an attachment member for attaching said surgical tool to another surgical tool.

Claim 32

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; and d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, said light-delivering end being adjacent said light-transmitting member so as to illuminate a surgical region adjacent said light-transmitting member; further including an attachment member for attaching said surgical tool to another surgical tool.

Claim 33

A surgical tool with surgical field illuminator, comprising: a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member and attached to said fiber optic member, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member, the light-transmitting member and light-conveying fiber optic member together forming a light-conveying assembly; and an attachment member for attaching the light-conveying assembly laterally displaced from but generally parallel to an elongated surgical tool so as to provide an illuminated surgical device with illumination for said surgical tool.

Claim 34

A surgical tool with surgical field illuminator, comprising: a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member and attached to said fiber optic member, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member, the light-transmitting member and light-conveying fiber optic member together forming a light-conveying assembly; and an attachment member for attaching the light-conveying assembly laterally displaced from but generally parallel to an elongated surgical tool so as to provide an illuminated surgical device with illumination for said surgical tool.

Claim 35

A surgical tool with surgical field illuminator, comprising: a) a light-conveying bundle of optical fibers having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said bundle adjacent the light-delivering end of said bundle; c) a connector for connecting said bundle with said surgical tool, said connector being releasably connected to an intermediate section of the body portion of said bundle spaced away from said light-delivering end, so that a tool-insertable section of said bundle extends between said connector and the light-delivering end of said bundle, wherein the light-delivering end of said bundle and said tool-insertable section of said bundle is received within said surgical tool when said surgical tool is connected to said connector; d) a light-transmitting member positioned adjacent the light-delivering end of said bundle; and e) said light-delivering end of said bundle being positioned adjacent a light-delivering port formed as an opening through a distal endface of said surgical tool, so that when said light-receiving end of said bundle is optically connected to said source of light, light is transmitted through said bundle to said light-delivering end of said bundle, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member.

Claim 36

A surgical tool with surgical field illuminator, comprising: a) a light-conveying bundle of optical fibers having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid, elongated surgical tool surrounding part of the body portion of said bundle adjacent the light-delivering end of said bundle; c) a connector for connecting said bundle with said surgical tool, said connector being releasably connected to an intermediate section of the body portion of said bundle spaced away from said light-delivering end, so that a tool-insertable section of said bundle extends between said connector and the light-delivering end of said bundle, wherein the light-delivering end of said bundle and said tool-insertable section of said bundle is received within said surgical tool when said surgical tool is connected to said connector; d) a light-transmitting member positioned adjacent the light-delivering end of said bundle; and e) said light-delivering end of said bundle being positioned adjacent a light-delivering port formed as an opening through a distal endface of said surgical tool, so that when said light-receiving end of said bundle is optically connected to said source of light, light is transmitted through said bundle to said light-delivering end of said bundle, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member.

Claim 37

The surgical tool of claim 26, wherein said light-transmitting member is attached to said port of said surgical tool.

Claim 38

The surgical tool of claim 26, wherein said light-transmitting member is attached to said bundle.

Claim 39

The surgical tool of claim 26, wherein said light-transmitting member is a window of light-transmitting material having a thickness sufficient to reduce the light density transmitted out said port of said surgical tool and through said window so that the surface temperature of said adjacent surgical region rises less than about 55° C. when light is transmitted through said window to said region.

Claim 40

The surgical tool of claim 26, wherein said light-transmitting member is a window of light-transmitting material, said window being spaced away from the light-delivering end of said fiber optic member so that light transmitted out said port of said surgical tool, and through said window, raises the surface temperature of said adjacent surgical region less than about 55° C. when light is transmitted through said window to said region.

Claim 41

The surgical tool of claim 26, further including an attachment member for attaching said surgical tool to another surgical tool.

Claim 42

The surgical tool of claim 26, wherein said surgical tool is a cannula having a length of between about 4 to 8 inches.

Claim 43

The surgical tool of claim 32, wherein said cannula has an outer diameter of between about 11/2 to 3 mm.

Claim 44

The surgical tool of claim 33, wherein said cannula has an inner diameter of between about 1 to 2 mm.

Claim 45

The surgical tool of claim 26, wherein said surgical tool is made from a material that is malleable such that the cannula can be bent to a desired position.

Claim 46

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member; e) wherein said fiber optic member is a single fiber that is readily flexed to an interior configuration of said tool; whereby said single fiber is connectable to said tool for use and releasable from said tool for disposal or replacement.

Claim 47

A surgical tool with surgical field illuminator, comprising: a) a light-conveying fiber optic member having a body portion, a light-receiving end optically connectable to a source of light, and a light-delivering end; b) a rigid surgical tool surrounding part of the body portion of said fiber optic member adjacent the light-delivering end of said fiber optic member, wherein said surgical tool is releasably connected to said body portion of said fiber optic member; c) a light-transmitting member positioned adjacent the light-delivering end of said fiber optic member; d) a light-delivering port formed as an opening through a distal endface of said surgical tool, wherein, when said light-receiving end of said fiber optic member is optically connected to said source of light, light is transmitted through said fiber optic member to said light-delivering end of said fiber optic member, out said port of said surgical tool and through said light-transmitting member at a light density, so as to illuminate a surgical region adjacent said light-transmitting member; e) wherein said fiber optic member is a single fiber that is readily flexed to an interior configuration of said tool; whereby said single fiber is connectable to said tool for use and releasable from said tool for disposal or replacement.

Claim 48

The surgical tool of claim 36, wherein said single fiber has a diameter of from about 0.1-2 mm.

Claim 49

The surgical tool of claim 36, wherein said surgical tool is releasably connected to said body portion of said fiber optic member via a Leur lock connector.

Claim 50

The surgical tool of claim 38, further including a strain-relieving member formed of flexible material provided proximal to the Luer lock connector.

Claim 51

The surgical tool of claim 34, wherein said single fiber is inserted within said tool in such a manner as to be bend around a longitudinal axis of said fiber.