# US 2019/0167281 A1 · Guiding device and method of using thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0167281 A1 - Document ID: US20190167281A1 - Status: Published application - Kind: A1 - Application number: 16/090,820 - Filed: 2017-04-24 - Published: 2019-06-06 - Earliest claimed: 2016-04-24 - Assignees: T.A.G. Medical Devices - Agriculture Cooperative Ltd. - Applicants: T.A.G. Medical Devices - Agriculture Cooperative Ltd. - Inventors: Roy ZILBERMAN; Hagay BOTANSKY; Ben Zion SPECTOR; Amir PANSKY - Web page: https://patentgrep.com/patent/US20190167281A1 ## CPC - A61B 17/1764: {for the knee} - A61B 17/1714: {for applying tendons or ligaments (implements for applying tendons or ligaments A61F2/0805)} - A61B 2017/00477: {Coupling (A61B2017/0046 takes precedence)} - A61F 2/0805: {Implements for inserting tendons or ligaments} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) ## Abstract A bone drill guiding device including a drill entry part comprising a cannula having a distal end portion and sized to receive a bone drill, a drill exit part comprising a fixation tip portion and a coupling that rigidly couples the drill entry part and the drill exit part so that longitudinal axes of the cannula distal portion and the fixation tip portion are arranged on a single mutual axis. In some embodiments, the coupling is a linear sliding coupling that parallels the single mutual axis. ## Claims ### Claim 1 A bone drill guiding device, comprising: a drill entry part comprising at least one curved cannula, each said cannula having a distal end portion and a cannula tip and sized to receive a bone drill; a drill exit part comprising a fixation tip portion comprising a fixation tip; and a coupling that rigidly couples said drill entry part and said drill exit part so that longitudinal axes of said cannula distal end portion of each said at least one curved cannula and said fixation tip portion are arranged along a single mutual axis extending between said cannula tip to said fixation tip. ### Claim at position 2 2-4. (canceled) ### Claim 5 (depends on 1) The bone drill guiding device according to claim 1, wherein said cannula comprises a curved portion disposed between a proximal straight portion and said straight distal end portion, wherein said curved portion is defined by an angle (Φ) between a longitudinal axis of the straight proximal portion and a longitudinal axis of said straight distal end. ### Claim 6 (canceled) ### Claim 7 (depends on 5) The bone drill guiding device according to claim 5, wherein said angle (Φ) is one of: between 90 and 180 degrees; and between 35 and 55 degrees. ### Claim at position 6 8-11. (canceled) ### Claim 12 (depends on 1) The bone drill guiding device according to claim 1, wherein said coupling comprises a drill entrance side part linear connecting portion and a drill exit side part connecting portion. ### Claim 13 (depends on 12) The bone drill guiding device according to claim 12, wherein said drill exit side part connecting portion comprises an opening sized and fitted to slidingly receive said drill entrance side part linear connecting portion. ### Claim 14 (canceled) ### Claim 15 (depends on 12) The bone drill guiding device according to claim 12, wherein said linear connecting portion slides within said opening along an axis parallel to said single mutual axis. ### Claim 16 (depends on 1) The bone drill guiding device according to claim 1, wherein said drill guiding device comprises an indicator that indicates the spatial relationship between said longitudinal axes of said cannula distal portion and said fixation tip portion. ### Claim 17 (depends on 16) The bone drill guiding device according to claim 16, wherein a portion of at least one of the drill entry part and the drill exit part comprises said indicator. ### Claim 18 (depends on 16) The bone drill guiding device according to claim 16, wherein said drill entry part comprises a linear connecting portion including said indicator. ### Claim at position 14 19-22. (canceled) ### Claim 23 (depends on 1) The bone drill guiding device according to claim 1, wherein said cannula distal portion is configured to be placed on a surface of a bone and said fixation tip portion is configured to be placed on skin. ### Claim at position 16 24-25. (canceled) ### Claim 26 (depends on 1) The bone drill guiding device according to claim 1, wherein said fixation tip portion comprises at least one marker that marks an expected drill exit point, wherein said at least one marker has a ring geometry which is coaxial with said single mutual axis. ### Claim 27 (depends on 26) The bone drill guiding device according to claim 26, wherein said ring defines a perimeter within which the drill is expected to exit. ### Claim 28 (depends on 26) The bone drill guiding device according to claim 26 wherein a diameter of said ring depends on a bending tolerance of said drill. ### Claim 29 A multiple angle bone drill guiding device comprising a drill entry part comprising two or more drill insertion tunnels each sized and fitted to receive a cannula; at least one cannula each having a distal end portion and a cannula tip and sized to receive a bone drill, at least one of said at least one cannula being a curved cannula; a drill exit part comprising a fixation tip portion comprising a fixation tip portion; and a coupling that rigidly couples said drill entry part and said drill exit part so that longitudinal axes of each said distal end portion of said at least one cannula and said fixation tip portion are arranged on a single mutual axis extending from said cannula tip to said fixation tip. ### Claim 30 (canceled) ### Claim 31 (depends on 29) The bone drill guiding device according to claim 29, wherein said drill insertion tunnels are arranged in said drill entry part at varying angles (β1, β2 . . . βn) in respect to said single mutual axis; and wherein each of said angles (β) is defined by a single cannula having a curved portion curved at a corresponding angle (Φ). ### Claim 32 (canceled) ### Claim 33 (depends on 31) The bone drill guiding device according to claim 31, wherein said coupling is rotatable, said device comprises at least one indicator that when said device is positioned in place said indicator indicates the angle (Φ) of a curvature of a curved portion of said cannula to be used. ### Claim 34 (canceled) ### Claim 35 (depends on 29) The bone drill guiding device according to claim 29, wherein a hollow drill insertion tunnel extends through said drill entry part at an angle (β) in respect to said single mutual axis and a drill insertion tunnel selected to be used depends at least on said angle (β). ### Claim 36 (depends on 35) The bone drill guiding device according to claim 35, wherein said drill insertion tunnel selected to be used depends on an angle (Φ) of a curvature of a curved portion of a cannula to be used. ### Claim 37 (depends on 1) The bone drill guiding device according to claim 1, wherein said curved cannula is selected in accordance with the anatomy of the bone. ### Claim 38 A method of drilling a hole in bone comprising positioning a drill entry part of a bone drill guiding device comprising a curved cannula and a cannula tip against a bone at a desired drill entry point; axially slidingly coupling a drill exit part comprising a fixation tip portion having a fixation tip to said drill entry part; axially sliding said drill entry and drill exit parts towards each other and positioning said fixation tip portion against skin over a location at which said drill is expected to exit said bone; rigidly locking said drill entry part and said drill exit part together; and bringing longitudinal axes of a distal end portion of said cannula and said fixation tip portion to be arranged on a single mutual axis extending between said cannula tip to said fixation tip. ### Claim 39 (depends on 38) The method according to claim 38, further comprising: inserting a bone drill through said cannula; and drilling a hole through said bone until said drill exits at an exit point defined by said fixation tip. ### Claim 40 (depends on 1) A bone drill guiding device according to claim 1, a drill exit part comprising wherein said coupling is an axially sliding coupling, wherein said drill entry part and said drill exit part are configured to move relative to each other along an axis of movement; and wherein said single mutual axis is parallel to said axis of movement. ### Claim at position 32 41-42. (canceled) ### Claim 43 (depends on 1) A bone drill guiding device according to claim 1, further comprising: a coupling that rigidly couples said drill entry part and said drill exit part indicator that indicates that the longitudinal axes of at least said cannula distal end portion and said fixation tip portion are arranged on the single mutual axis extending from said cannula tip to said fixation tip. ### Claim 44 (depends on 1) The bone drill guiding device according to claim 1, wherein at least 50% of said curved cannula is straight.