# US 2014/0194881 A1 · Drill, drill cover, and surgical instrument for collecting autologous bone employing same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0194881 A1 - Document ID: US20140194881A1 - Status: Published application - Kind: A1 - Application number: 14/238,049 - Filed: 2012-08-13 - Published: 2014-07-10 - Earliest claimed: 2011-08-11 - Assignees: Osstemimplant Co., Ltd. - Inventors: Jong Hoon Moon; Tae Euk Lee; Tae Gwan Eom - Web page: https://patentgrep.com/patent/US20140194881A1 ## CPC - A61B 17/1637: {Hollow drills or saws producing a curved cut, e.g. cylindrical (A61B10/025, A61B17/1695 take precedence)} - A61B 17/1635: {for grafts, harvesting or transplants} - A61C 3/02: Tooth drilling or cutting instruments; Instruments acting like a sandblast machine - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - A61C: DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE (non-driven toothbrushes A46B; {tongue scrapers A61B17/24;} preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00) ## Abstract A drill and drill cover and autogenous bone collector using the same are provided. The autogenous bone collector comprises s shaft unit connected to a driving device and a cutting unit which revolves and collects bone paticles of a patient. The cross-sectional area of the cutting unit is from 10% to 40% of an area of an imaginary circle having a radius corresponding to a distance from the center of the cutting unit to the outermost end portion of the cutting unit. ## Claims ### Claim 1 A drill comprising: a shaft unit connected to a driving device; and a cutting unit, which revolves and collects autogenous bone petioles of a patient, wherein the cross-sectional area of the cutting unit is from 10% to 40% of an area of an imaginary circle having a radius corresponding to a distance from the center of the cutting unit to the outermost end portion of the cutting unit. ### Claim 2 (depends on 1) The drill of claim 1, wherein the end portion of the cutting unit includes a sloped surface, such that the center portion of the cutting unit has a pointed shape, and a pointer that protrudes and has a larger slope than the sloped surface is attached to the center portion of the end portion of the cutting unit. ### Claim 3 (depends on 1) The drill of claim 1, wherein the cutting unit comprises: a first blade, which spirally extends; and a second blade, which spirally extends at a same pitch as the first blade. ### Claim 4 (depends on 3) The drill of claim 3, wherein the outermost thickness of the first blade or the second blade is greater than thickness of the center portion of the first blade or the second blade. ### Claim 5 (depends on 1) The drill of claim 1, wherein the end portion of the cutting unit comprises two or more sub-sloped surfaces having different slopes. ### Claim 6 (depends on 1) The drill of claim 1, wherein the thickness of the cutting unit is constant or increases toward the shaft unit. ### Claim 7 An autogenous bone collector comprising: a drill having a shaft unit connected to a driving device and a cutting unit, which revolves and collects bone paticles of a patient; and a drill cover, which is attached to the drill and forms a storage space between the inner circumferential surface of the drill cover and the outer circumferential surface of the cutting surface of the cutting unit for housing the collected bone paticles. ### Claim 8 (depends on 7) The autogenous bone collector of claim 7, wherein the leading end portion of the drill is capable of protruding from the drill cover, and the drill cover comprises a housing portion through with the cutting surface of the cutting unit pass. ### Claim 9 (depends on 7) The autogenous bone collector of claim 7, wherein the drill comprises a hook protruding from the outer circumferential surface of the drill, movement of the drill cover is restricted by the hook, and a first protrusion is formed below the hook. ### Claim 10 (depends on 9) The autogenous bone collector of claim 9, wherein a second protrusion is formed below the first protrusion. ### Claim 11 (depends on 7) The autogenous bone collector of claim 7, further comprising a partitioning wall, which extends from the inner circumferential surface of the drill cover, wherein, when the partitioning wall moves toward the leading end portion of the cutting unit, bone paticles stored in the storage space are moved toward the leading end portion. ### Claim 12 (depends on 7) The autogenous bone collector of claim 7, further comprising protruding paticles formed at the upper portion of the drill cover, wherein the protruding paticles protrude from the upper end of the drill cover to be apart from each other by a constant interval in the circumferential direction, and hook protrusions that are bent inward are arranged at the upper ends of protruding paticles. ### Claim 13 (depends on 7) The autogenous bone collector of claim 7, wherein a long hole having a long shape and penetrating through the outer circumferential surface and the inner circumferential surface of the drill cover is formed in the drill cover. ### Claim 14 A drill cover, which is attached to a drill having a cutting unit for collecting bone paticles of a patient during revolution, comprising a main body that has the top and the bottom opened and is attached to the exterior of the cutting unit, wherein the main body is compressible in a direction in which the upper portion and the lower portion of the main body approach to each other ### Claim 15 (depends on 14) The drill cover of claim 14, wherein a cut-open portion, which includes spiral cuts, is formed in the main body. ### Claim 16 (depends on 15) The drill cover of claim 15, wherein the cut-open portion is formed at a constant pitch. ### Claim 17 (depends on 15) The drill cover of claim 15, wherein the cut-open portion is formed at varying pitches. ### Claim 18 (depends on 15) The drill cover of claim 15, wherein width of the cut-open portion is constant. ### Claim 19 (depends on 15) The drill cover of claim 15, wherein the cut-open portion comprises: a first cut-open portion having a constant first cut-open width; and a second cut-open portion having a second cut-open width smaller than the first cut-open width. ### Claim 20 (depends on 15) The drill cover of claim 15, wherein the second cut-open portion extends from the two opposite ends of the first cut-open portion, and width of the second cut-open portion gradually decreases toward an end portion thereof. ### Claim 21 (depends on 15) The drill cover of claim 15, wherein the cut-open portion extends downward while rotating to the left or the right in a spiral shape. ### Claim 22 (depends on 14) The drill cover of claim 14, comprising protruding paticles protruding upward from the upper end of the drill cover to be apart from each others by a constant interval in the circumferential direction. ### Claim 23 (depends on 14) The drill cover of claim 14, further comprising a partitioning wall, which extends from the inner circumferential surface of the drill cover, wherein, when the partitioning wall comprises a housing portion through with the cutting surface of the cutting unit pass. ### Claim 24 (depends on 14) The drill cover of claim 14, wherein hook protrusions that are bent inward are arranged at the upper end of main body. ### Claim 25 (depends on 14) The drill cover of claim 14, wherein the main body is formed of titanium or stainless steel. ### Claim 26 An autogenous bone collector comprising: a drill having a shaft unit connected to a driving device and a cutting unit, which revolves and collects bone paticles of a patient; and a drill cover, comprises a main body that has the top and the bottom opened and is attached to the exterior of the cutting unit, wherein the main body is compressible in a direction in which the upper portion and the lower portion of the main body approach to each other ### Claim 27 (depends on 26) The autogenous bone collector of claim 26, wherein a cut-open portion, which includes spiral cuts, is formed in the main body. ### Claim 28 (depends on 26) The autogenous bone collector of claim 26, wherein the cut-open portion is formed at a constant pitch. ### Claim 29 (depends on 27) The autogenous bone collector of claim 27, wherein the cut-open portion is formed at varying pitches. ### Claim 30 (depends on 27) The autogenous bone collector of claim 27, wherein width of the cut-open portion is constant. ### Claim 31 (depends on 27) The autogenous bone collector of claim 27, wherein the cut-open portion comprises: a first cut-open portion having a constant first cut-open width; and a second cut-open portion having a second cut-open width smaller than the first cut-open width. ### Claim 32 (depends on 27) The autogenous bone collector of claim 27, wherein the second cut-open portion extends from the two opposite ends of the first cut-open portion, and width of the second cut-open portion gradually decreases toward an end portion thereof. ### Claim 33 (depends on 27) The autogenous bone collector of claim 27, wherein the cut-open portion extends downward while rotating to the left or the right in a spiral shape. ### Claim 34 (depends on 26) The autogenous bone collector of claim 26, comprising protruding paticles protruding upward from the upper end of the drill cover to be apart from each others by a constant interval in the circumferential direction. ### Claim 35 (depends on 26) The autogenous bone collector of claim 26, further comprising a partitioning wall, which extends from the inner circumferential surface of the drill cover, wherein, when the partitioning wall comprises a housing portion through with the cutting surface of the cutting unit pass. ### Claim 36 (depends on 26) The autogenous bone collector of claim 26, wherein hook protrusions that are bent inward are arranged at the upper end of main body. ### Claim 37 (depends on 26) The autogenous bone collector of claim 26, wherein the main body is formed of titanium or stainless steel. ### Claim 38 (depends on 26) The autogenous bone collector of claim 26, wherein the cross-sectional area of the cutting unit is from 10% to 40% of an area of an imaginary circle having a radius corresponding to a distance from the center of the cutting unit to the outermost end portion of the cutting unit. ### Claim 39 (depends on 26) The autogenous bone collector of claim 26, wherein the cutting unit comprises a hook protruding from the outer circumferential surface of the drill, movement of a drill cover is restricted by the hook, and a first protrusion is formed below the hook. ### Claim 40 (depends on 39) The autogenous bone collector of claim 39, wherein a second protrusion is formed below the first protrusion. ### Claim 41 (depends on 26) The autogenous bone collector of claim 26, wherein the cutting unit comprises: a first blade, which spirally extends; and a second blade, which spirally extends at a same pitch as the first blade. ### Claim 42 (depends on 26) The autogenous bone collector of claim 26, wherein the end portion of the cutting unit comprises two or more sub-sloped surfaces having different slopes. ### Claim 43 (depends on 26) The autogenous bone collector of claim 26, wherein the cutting unit comprises a pointer that protrudes from the center portion of the end portion of the cutting unit. ### Claim 44 (depends on 26) The autogenous bone collector of claim 26, wherein the thickness of the cutting unit is constant or increases toward the shaft unit.