Drill guide with removable ferrules

Claim 2

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a first ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a second ferrule which is demountably attached to an end of said first ferrule, said second ferrule extending from an end opposite said one end of said first bore, wherein said exposed end of said second ferrule has markings on an outer surface thereof indicating a penetration depth of said instrument inserted through said second bores of the attached pair of ferrules.

Claim 3

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a first ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a second ferrule which is demountably attached to an end of said first ferrule, said second ferrule extending from an end opposite said one end of said first bore, wherein said exposed end of said second ferrule has a longitudinal slot for viewing said instrument inserted through said second bores of the attached pair of ferrules.

Claim 4

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a first ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a second ferrule which is demountably attached to an end of said first ferrule, said second ferrule extending from an end opposite said one end of said first bore, wherein said exposed end of said second ferrule has a longitudinal slot for viewing said instrument inserted through said second bores of the attached pair of ferrules.

Claim 5

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and an extension sleeve attached to a second end of said sleeve.

Claim 6

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and an extension sleeve attached to a second end of said sleeve.

Claim 7

The drill guide of claim 3 wherein said extension sleeve has one end shaped to fit on a material to be drilled, and has hinges attached to a second end of said extension sleeve, said second end being located opposite said first end, wherein said hinges are for hingedly attaching said extension sleeve to said second end of said sleeve.

Claim 8

The drill guide of claim 4 wherein said one end of said extension sleeve is curved to fit on a cylindrical body.

Claim 9

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a base plate having one surface shaped to fit on a material to be drilled, and having hinges attached to a second surface located opposite said one surface, wherein said base plate is hingedly attached to a second end of said sleeve.

Claim 10

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a base plate having one surface shaped to fit on a material to be drilled, and having hinges attached to a second surface located opposite said one surface, wherein said base plate is hingedly attached to a second end of said sleeve.

Claim 11

A drill guide comprising: a handle having a plurality of compartments for storing a plurality of ferrules, wherein each of said compartments has an opening on one end for receiving one of said ferrules, and another end having a snap-on device for retaining said one ferrule within said compartment, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width.

Claim 12

A drill guide comprising: a handle having a plurality of compartments for storing a plurality of ferrules, wherein each of said compartments has an opening on one end for receiving one of said ferrules, and another end having a snap-on device for retaining said one ferrule within said compartment, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width.

Claim 13

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, and an inner segment with a third bore and an outer segment with a fourth bore, wherein said inner segment is adjustably mounted within said fourth bore of said outer segment, said third and fourth bores being axially aligned to form said first bore and wherein said inner segment is adjustably retractable into, and extendable from, one end of said fourth bore of said outer segment to change an overall length of said sleeve, and is fixedly attached to said handle and has an outer threaded surface, and wherein said outer segment has an inner threaded surface and is rotated about said inner segment so as to change a length of said sleeve, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width.

Claim 14

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, and an inner segment with a third bore and an outer segment with a fourth bore, wherein said inner segment is adjustably mounted within said fourth bore of said outer segment, said third and fourth bores being axially aligned to form said first bore and wherein said inner segment is adjustably retractable into, and extendable from, one end of said fourth bore of said outer segment to change an overall length of said sleeve, and is fixedly attached to said handle and has an outer threaded surface, and wherein said outer segment has an inner threaded surface and is rotated about said inner segment so as to change a length of said sleeve, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width.

Claim 15

The drill guide of claim 8 wherein a top end of said outer segment is shaped into a knurled grip.

Claim 16

The drill guide of claim 9 further comprising an insert within said knurled grip for preventing thread slippage.

Claim 17

The drill guide of claim 8 further comprising an extension sleeve having an extension bore extending therethrough, a top portion of said extension sleeve having a threaded outer surface for screwing into said outer segment.

Claim 18

The drill guide of claim 11 wherein said extension sleeve has a tapered lower portion.

Claim 19

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, an inner segment with a third bore, and an outer segment with a fourth bore, wherein said inner segment is adjustably mounted within said fourth bore of said outer segment, said third and fourth bores being axially aligned to form said first bore and wherein said inner segment is adjustably retractable into, and extendable from, one end of said fourth bore of said outer segment to change an overall length of said sleeve, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a depth adjusting nut, rotatably attached to a lower end of said outer segment, wherein said outer segment is fixedly attached to said handle and has an inner threaded surface, and wherein said inner segment has an outer threaded surface and is screwed into said depth adjusting nut to form said bore of said sleeve, said depth adjusting nut being turned so as to change a length of said sleeve.

Claim 20

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, an inner segment with a third bore, and an outer segment with a fourth bore, wherein said inner segment is adjustably mounted within said fourth bore of said outer segment, said third and fourth bores being axially aligned to form said first bore and wherein said inner segment is adjustably retractable into, and extendable from, one end of said fourth bore of said outer segment to change an overall length of said sleeve, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a depth adjusting nut, rotatably attached to a lower end of said outer segment, wherein said outer segment is fixedly attached to said handle and has an inner threaded surface, and wherein said inner segment has an outer threaded surface and is screwed into said depth adjusting nut to form said bore of said sleeve, said depth adjusting nut being turned so as to change a length of said sleeve.

Claim 21

The drill guide of claim 13 wherein an inner surface of said outer segment has a key and said outer threaded surface of said inner segment has a keyway in which said key slides.

Claim 22

The drill guide of claim 14 further comprising an extension sleeve having an extension bore extending therethrough, a top portion of said extension sleeve having a threaded inner surface for screwing over said outer segment.

Claim 23

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve, having a second bore dimensioned to receive therethrough an instrument having a particular width, and having teeth on an outer surface thereof, a rod slidably attached to said handle having a tip extending into said sleeve, a spring for biasing said tip to engage said teeth so as to hold said ferrule at a desired insertion within said first bore of said sleeve, and a lever attached to said rod for disengaging said tip from said teeth, when said lever is urged against said bias of said spring, for permitting adjustment of said insertion of said inner segment within said first bore.

Claim 24

A drill guide comprising: a handle, and a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore, a ferrule dimensioned for demountable insertion into one end of said sleeve, having a second bore dimensioned to receive therethrough an instrument having a particular width, and having teeth on an outer surface thereof, a rod slidably attached to said handle having a tip extending into said sleeve, a spring for biasing said tip to engage said teeth so as to hold said ferrule at a desired insertion within said first bore of said sleeve, and a lever attached to said rod for disengaging said tip from said teeth, when said lever is urged against said bias of said spring, for permitting adjustment of said insertion of said inner segment within said first bore.

Claim 25

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore. a first ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a ferrule extractor having a crown and a grip attached to said crown, wherein said crown is dimensioned to slide onto a lip located around an end of said ferrule, so that pulling said grip extracts said ferrule.

Claim 26

A drill guide comprising: a handle, a sleeve having a first end attached to one end of said handle, said sleeve comprising: a first bore. a first ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, and a ferrule extractor having a crown and a grip attached to said crown, wherein said crown is dimensioned to slide onto a lip located around an end of said ferrule, so that pulling said grip extracts said ferrule.

Claim 27

The drill guide of claim 17 wherein said grip is round.

Claim 28

The drill guide of claim 18 wherein said grip is straight having an end dimensioned to slide onto said handle of said drill guide.

Claim 29

A drill guide comprising: a sleeve having a first end, said sleeve comprising: a first bore, and a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, additional sleeves connected in series, wherein said additional sleeves are identical to said sleeve, and connecting elements interconnecting in series said additional sleeves and connecting said sleeve in series to said series interconnected additional sleeves.

Claim 30

A drill guide comprising: a sleeve having a first end, said sleeve comprising: a first bore, and a ferrule dimensioned for demountable insertion into one end of said sleeve and having a second bore dimensioned to receive therethrough an instrument having a particular width, additional sleeves connected in series, wherein said additional sleeves are identical to said sleeve, and connecting elements interconnecting in series said additional sleeves and connecting said sleeve in series to said series interconnected additional sleeves.