Provided herein is an instrument and method useful to incise in to the skin to a precise depth and at a specific angle with respect to the surface of the skin of a patient, for the extraction of individual follicular groups or individual follicular units. An instrument according to the invention pre
Provided herein is an instrument and method useful to incise in to the skin to a precise depth and at a specific angle with respect to the surface of the skin of a patient, for the extraction of individual follicular groups or individual follicular units. An instrument according to the invention precisely limits the depth of incision, and creates a circular incision around a hair, follicular unit, or follicular cluster in a manner such that no damage occurs to any of the hair shafts.
대표청구항▼
1. A method for extraction of a follicular unit from a section of skin, comprising: adjusting an adjustment member in communication with a dissection punch to set a distance by which at least a first end of said dissection punch extends beyond a tip portion of an instrument housing said dissection p
1. A method for extraction of a follicular unit from a section of skin, comprising: adjusting an adjustment member in communication with a dissection punch to set a distance by which at least a first end of said dissection punch extends beyond a tip portion of an instrument housing said dissection punch to a first fixed length, said dissection punch having a second end being disposed opposite to said first end;penetrating said section of skin with said dissection punch at a first angle relative to a top surface of said section of skin to form an incision having a first depth;tilting said dissection punch to a second angle, different from said first angle, while said dissection punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit;providing an axial force from said adjustment member to a second end of said dissection punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said dissection punch into said incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth that is greater than said first depth at least partially in response to said tilting; andremoving said follicular unit from said section of skin at least in part by applying a force to a top end of said one or more hair follicles to remove said follicular unit approximately along said axis. 2. The method of claim 1, wherein said adjustment member comprises an adjustment screw. 3. A method for extraction of a follicular unit plug from a section of skin, comprising: adjusting an adjustment member in communication with a dissecting punch to set a distance by which at least a first end of said dissecting punch extends beyond a tip portion of an instrument housing said dissecting punch to a first fixed length, said dissecting punch having a second end being disposed opposite to said first end;scoring a preselected portion of skin with said dissecting punch at a first angle relative to a top surface of said section of skin to form an incision having a first depth;tilting said dissecting punch to a second angle, different from said first angle, while said dissecting punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit plug;providing an axial force from said adjustment member to a second end of said dissecting punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said dissecting punch into said scored incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth that is greater than said first depth at least partially in response to said tilting; andremoving said follicular unit from a section of skin at least in part by applying a force to a top end of one or more hair follicles to remove said follicular unit plug approximately along said axis. 4. A method for extraction of a follicular unit plug from a section of skin, comprising: adjusting an adjustment member in communication with a dissecting punch to set a distance by which at least a first end of said dissecting punch extends beyond a tip portion of an instrument housing said dissecting punch to a first fixed length, said dissecting punch having a second end being disposed opposite to said first end;scoring a portion of skin with said dissecting punch at a first angle relative to a top surface of said section of skin to form an incision having a first depth;tilting said dissecting punch to a second angle, different from said first angle, while said dissecting punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit plug;providing an axial force from said adjustment member to a second end of said dissecting punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said dissecting punch into said incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth that is greater than said first depth at least partially in response to said tilting; andremoving said follicular unit plug from said section of skin at least in part by applying a force to a top end of one or more hair follicles to remove said follicular unit plug approximately along said axis. 5. A method as recited in claim 1, 3 or 4, wherein said incision is substantially circular. 6. The method as recited in claim 1, 3 or 4, wherein said first depth is not greater than about 1.5 mm. 7. The method as recited in claim 1, 3 or 4, wherein said first depth is from about 0.05 mm to about 0.5 mm. 8. The method as recited in claim 1, 3 or 4, wherein said second depth is from about 2.0 mm to about 7.0 mm. 9. The method as recited in claim 1, 3 or 4, wherein said punch is removed from said section of skin before said step of removing said follicular unit. 10. The method as recited in claim 1, 3 or 4, wherein said step of removing said follicular unit comprises removing said follicular unit using forceps. 11. The method as recited in claim 1, 3 or 4, wherein said step of removing said follicular unit comprises using suction. 12. The method as recited in claim 1, 3 or 4, further comprising a step of separating a bottom portion of said follicular unit from a fatty layer before said removing step. 13. The method as recited in claim 1, 3 or 4, wherein said step of inserting a punch comprises rotating said punch about a primary axis of said punch. 14. The method as recited in claim 1, 3 or 4, further comprising a step of transplanting said follicular unit. 15. A method for extraction of a follicular unit from a section of skin, comprising: adjusting an adjustment member in communication with a beveled punch to set a distance by which at least a first end of said beveled punch extends beyond a tip portion of an instrument housing said beveled punch to a first fixed length, said beveled punch having a second end being disposed opposite to said first end;scoring a preselected portion of a section of skin with said beveled punch at a first angle relative to a top surface of said section of skin to form a scored incision having a first depth of not greater than about 1.5 mm;tilting said beveled punch to a second angle, different from said first angle, while said beveled punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit;providing an axial force from said adjustment member to a second end of said beveled punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said beveled punch into said incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth of at least about 4 mm to form said follicular unit at least partially in response to said tilting;removing said follicular unit from said section of skin at least in part by applying a force to a top end of one or more hair follicles to remove said follicular unit plug approximately along said axis; andtransplanting said follicular unit in another portion of skin. 16. A method for extraction of a follicular unit plug from a section of skin, comprising: adjusting an adjustment member in communication with a flat penetrating punch to set a distance by which at least a first end of said flat penetrating punch extends beyond a tip portion of an instrument housing said flat penetrating punch to a first fixed length, said flat penetrating punch having a second end being disposed opposite to said first end;scoring a portion of a section of skin with said flat penetrating punch at a first angle relative to a top surface of said section of skin to form an incision having a first depth of not greater than about 0.5 mm;tilting said flat penetrating punch to a second angle, different from said first angle, while said flat penetrating punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit plug;providing an axial force from said adjustment member to a second end of said flat penetrating punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said flat penetrating punch into said incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth of at least about 4 mm at least partially in response to said tilting;removing said follicular unit plug from said section of skin at least in part by applying a force to a top end of one or more hair follicles to remove said follicular unit plug approximately along said axis; andtransplanting said follicular unit plug in another portion of skin. 17. A method for extraction of a follicular unit plug from a section of skin, comprising: adjusting an adjustment member in communication with a dissection punch to set a distance by which at least a first end of said dissection punch extends beyond a tip portion of an instrument housing said dissection punch to a first fixed length, said dissection punch having a second end being disposed opposite to said first end;penetrating a portion of a section of skin with said dissection punch at a first angle relative to a top surface of said section of skin to form an incision having a first depth of not greater than about 0.5 mm;tilting said dissection punch to a second angle, different from said first angle, while said dissection punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit plug;providing an axial force from said adjustment member to a second end of said dissection punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting a nipple end of said dissection punch into said incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth of at least about 4 mm at least partially in response to said tilting;removing said follicular unit plug from said section of skin at least in part by applying a force to a top end of one or more hair follicles of said follicular unit plug to remove said follicular unit plug approximately along said axis; andtransplanting said follicular unit plug in another portion of skin. 18. A method for extraction of a follicular unit plug from a donor area, comprising: adjusting an adjustment member in communication with a dissecting punch to set a distance by which at least a first end of said dissecting punch extends beyond a tip portion of an instrument housing said dissecting punch to a first fixed length, said dissecting punch having a second end being disposed opposite to said first end;scoring a preselected portion of a donor area of a section of skin with said dissecting punch at a first angle relative to a top surface of said section of skin to form a scored incision having a first depth;tilting said dissecting punch to a second angle, different from said first angle, while said dissecting punch is approximately at said first depth, wherein said second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit plug;providing an axial force from said adjustment member to a second end of said dissecting punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said dissecting punch into said scored incision approximately along an axis extending into said section of skin in a direction of said second angle to a second depth that is greater than said first depth at least partially in response to said tilting; andremoving said follicular unit plug from said donor area at least in part by applying a force to a top end of one or more hair follicles to remove said follicular unit plug approximately along said axis. 19. The method as recited in claim 18, wherein said scored incision is substantially circular. 20. The method as recited in claim 18, wherein said first depth is not greater than about 1.5 mm. 21. The method as recited in claim 18, wherein said first depth is from about 0.3 mm to about 1.5 mm. 22. The method as recited in claim 18, wherein said second depth is from about 1.5 mm to about 8 mm. 23. The method as recited in claim 18, wherein said second depth is from about 4 mm to about 7 mm. 24. The method as recited in claim 18, wherein said dissecting punch is removed from the donor area before said step of removing said follicular unit plug. 25. The method as recited in claim 18, wherein said step of removing said follicular unit plug comprises removing said follicular unit plug using forceps. 26. The method as recited in claim 18, wherein said step of removing said follicular unit plug comprises using suction. 27. The method as recited in claim 18, further comprising the step of separating a bottom portion of said follicular unit plug from the fatty layer before said removing step. 28. The method as recited in claim 18, wherein said step of inserting a dissecting punch comprises rotating said dissecting punch about a primary axis of said dissecting punch. 29. The method as recited in claim 18, further comprising the step of transplanting said follicular unit. 30. A method for extraction of a follicular unit plug from a donor area, comprising: adjusting an adjustment member in communication with a dissecting punch to set a distance by which at least a first end of said dissecting punch extends beyond a tip portion of an instrument housing said dissecting punch to a first fixed length, said dissecting punch having a second end being disposed opposite to said first end;scoring a preselected portion of a donor area of a section of skin with said dissecting punch at a first angle relative to a top surface of the section of skin to form a scored incision having a first depth of not greater than about 1.5 mm;tilting said dissecting punch to a second angle, different from the first angle, while said dissecting punch is approximately at said first depth, wherein the second angle is approximately in a direction of growth of one or more hair follicles of a follicular unit plug;providing an axial force from said adjustment member to a second end of said dissecting punch to adjust said distance to a second fixed length in response to said adjustment member being adjusted from a first position to a second position;inserting said dissecting punch into said scored incision approximately along an axis extending into the section of skin in a direction of the second angle to a second depth of at least about 4 mm to at least partially in response to the tilting form the follicular unit plug;removing said follicular unit plug from the donor area at least in part by applying a force to a top end of one or more hair follicles to remove said follicular unit plug approximately along the axis; andtransplanting said follicular unit plug in a recipient area.
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이 특허에 인용된 특허 (44)
Walker William H. (Garden City SC), Adjustable embroidering tool.
Douvas Nicholas G. (4200 N. Gratiot Port Huron MI 48060) Dinkelkamp Henry T. (200 W. Orchard Place Mount Prospect IL 60056), Apparatus for cataract surgery.
Shiao I-Shen (1F ; No.1 ; Alley 17 ; Lane 1111 ; Sec.2 ; Fu-Hsing S. Rd. Taipei City TWX), Mini-graft hair implanting device for implanting multiple clumps of hair follicles at one time.
Mott James B. (850 Central Ave. ; Ste. 200 Naples FL 33940), Punch-type surgical instrument for skin incision, set of parts for making such an instrument of selectably variable size.
Bennett David M. (Suite 12 ; 127 Nerang St. Southport ; Queensland AUX), Tissue grafting method using an apparatus with multiple tissue receiving receptacles.
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