Intramedullary awl assembly for preparation for a femoral-style nailing

Claim 1

An intramedullary awl assembly for opening a non-planar outer surface of a bone upon a femur nailing, comprising: a guide (50) of a guide tool (14) equipped with a handle (45) and an awl (12) equipped with an actuating grip (17) with S working tip (37), wherein (a) the guide (50) is formed by an angle plate (52) which is arranged on an end of the guide tool (14) lying opposite the handle (45); (b) the angle plate (52) having two arms (55, 57) each of which has a distal side, the distal sides forming with each other an angle (60) of less than 180°, one of the arms (55) having a guide hole (70); and (c) at least one anchoring tip (65) is arranged on the distal side of the other arm (57) facing the bone.

Claim 24

A method for puncturing a non-planar outer surface of a bone comprising the steps of: positioning, via a manipulation means, a template having two arms each of which has a distal side, the distal sides forming with each other an angle of less than 180°, one of the arms having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the other arm of the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface.

Claim 25

A method for puncturing a non-planar outer surface of a bone comprising the steps of: positioning, via a manipulation means, a template having two arms each of which has a distal side, the distal sides forming with each other an angle of less than 180°, one of the arms having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the other arm of the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface.

Claim 27

A method for puncturing the outer surface of a bone comprising the steps of: positioning, via a manipulation means, a template having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface wherein the anchoring means comprises elongate central and outer anchoring tips fixed to the template, the longitudinal central axes of the anchoring tips and guide bore being perpendicular to the adjoining surface of the template, the longitudinal central axis of the central anchoring tip defining the anchor axis, the central anchoring tip having a longer length than the outer anchoring tip, the anchoring tips having pointed ends, said applying of the anchoring means to the bone outer surface and swivelling of the template about the anchor axis including the steps of: driving an outer portion of the central anchoring tip into the bone such that a clearance remains between the outer anchoring tip and bone outer surface; swivelling the template relative to the bone about the longitudinal central axis of the central anchoring tip to position the longitudinal axis of the guide bore to intersect the entry point; and driving the inner portion of the central anchoring tip and the outer anchoring tip into the bone.

Claim 28

A method for puncturing the outer surface of a bone comprising the steps of: positioning, via a manipulation means, a template having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface wherein the anchoring means comprises elongate central and outer anchoring tips fixed to the template, the longitudinal central axes of the anchoring tips and guide bore being perpendicular to the adjoining surface of the template, the longitudinal central axis of the central anchoring tip defining the anchor axis, the central anchoring tip having a longer length than the outer anchoring tip, the anchoring tips having pointed ends, said applying of the anchoring means to the bone outer surface and swivelling of the template about the anchor axis including the steps of: driving an outer portion of the central anchoring tip into the bone such that a clearance remains between the outer anchoring tip and bone outer surface; swivelling the template relative to the bone about the longitudinal central axis of the central anchoring tip to position the longitudinal axis of the guide bore to intersect the entry point; and driving the inner portion of the central anchoring tip and the outer anchoring tip into the bone.

Claim 29

A method for puncturing the outer surface of a bone comprising the steps of: positioning, via a manipulation means, a template having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface and further comprising the steps of: forming an elongate incision having proximal and distal ends in the outer surface of the soft tissue surrounding the bone outer surface, the incision being laterally positioned relative to the longitudinal central axis of the bone; spreading the soft tissue between the proximal and distal ends of the incision to provide access to the entry point and surrounding portion of the bone outer surface; inserting the shank of the awl through the incision, the shank having proximal and distal portions the longitudinal central axes of which are inclined relative to one another and the awl pointed end is formed in the end of the awl distal portion, the inclination between the awl proximal and distal portions enabling a section of the awl proximal portion formed for grasping to remain outside of the soft tissue adjacent to the incision proximal end in a position laterally offset from the longitudinal central axis of the guide bore; inserting a shank of the manipulating means through the incision, the shank having proximal and distal portions the longitudinal central axes of which are inclined relative to one another and the template is fixed to the end of the manipulating distal portion, the inclination between the manipulating proximal and distal portions enabling the end of the manipulating proximal portion suitable for grasping to remain outside of the soft tissue adjacent to the incision distal end in a position laterally offset from the longitudinal central axis of the guide bore, said forming of the incisions, spreading of the soft tissue, and insertion of the awl and manipulating shanks each being before said positioning of the template; and manipulatingly grasping the awl proximal portion and the manipulating proximal portion outside of the soft tissue for said insertion of the pointed end of the awl shank through the guide bore and said swivelling of the template about the anchor axis.

Claim 30

A method for puncturing the outer surface of a bone comprising the steps of: positioning, via a manipulation means, a template having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface and further comprising the steps of: forming an elongate incision having proximal and distal ends in the outer surface of the soft tissue surrounding the bone outer surface, the incision being laterally positioned relative to the longitudinal central axis of the bone; spreading the soft tissue between the proximal and distal ends of the incision to provide access to the entry point and surrounding portion of the bone outer surface; inserting the shank of the awl through the incision, the shank having proximal and distal portions the longitudinal central axes of which are inclined relative to one another and the awl pointed end is formed in the end of the awl distal portion, the inclination between the awl proximal and distal portions enabling a section of the awl proximal portion formed for grasping to remain outside of the soft tissue adjacent to the incision proximal end in a position laterally offset from the longitudinal central axis of the guide bore; inserting a shank of the manipulating means through the incision, the shank having proximal and distal portions the longitudinal central axes of which are inclined relative to one another and the template is fixed to the end of the manipulating distal portion, the inclination between the manipulating proximal and distal portions enabling the end of the manipulating proximal portion suitable for grasping to remain outside of the soft tissue adjacent to the incision distal end in a position laterally offset from the longitudinal central axis of the guide bore, said forming of the incisions, spreading of the soft tissue, and insertion of the awl and manipulating shanks each being before said positioning of the template; and manipulatingly grasping the awl proximal portion and the manipulating proximal portion outside of the soft tissue for said insertion of the pointed end of the awl shank through the guide bore and said swivelling of the template about the anchor axis.

Claim 31

A method for puncturing the outer surface of a bone comprising the steps of: positioning, via a manipulation means a template having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface wherein the shank of the awl has proximal and distal portions the longitudinal axes of which are inclined relative to one another and the awl pointed end is formed in the awl distal portion, and further comprising the step, after puncturing the entry point on the bone outer surface, of: inserting a first preselected axial section of the distal portion into the bone; rotating the awl shank to produce a preselected angular displacement of the distal portion about its longitudinal central axis; and inserting a second preselected axial section of the distal portion into the bone.

Claim 32

A method for puncturing the outer surface of a bone comprising the steps of: positioning, via a manipulation means a template having a guide bore such that the guide bore is adjacent to a preselected entry point of the outer surface of a bone; applying, via the manipulation means, an anchoring means to the bone outer surface to anchor the template to the bone outer surface such that the guide bore remains adjacent to the entry point; swivelling the template relative to the bone about an anchor axis of the anchoring means when the template is anchored to the bone outer surface to position the guide bore so that its longitudinal central axis intersects the entry point; and inserting a pointed end of a shank of an awl through the guide bore such that the guide bore radially supports the shank to direct it to puncture the entry point on the bone outer surface wherein the shank of the awl has proximal and distal portions the longitudinal axes of which are inclined relative to one another and the awl pointed end is formed in the awl distal portion, and further comprising the step, after puncturing the entry point on the bone outer surface, of: inserting a first preselected axial section of the distal portion into the bone; rotating the awl shank to produce a preselected angular displacement of the distal portion about its longitudinal central axis; and inserting a second preselected axial section of the distal portion into the bone.