Method and apparatus for follicular extraction and transplantation

• US 7,156,856 B2
• Filed: 04/29/2003
• Issued: 01/02/2007
• Est. Priority Date: 04/29/2003
• Status: Expired due to Fees

• Current Assignee: Alan S. Feller
• Original Assignee: Alan S. Feller
• Inventors: Feller, Alan S.
• Primary Examiner(s): Hayes; Michael J.
• Assistant Examiner(s): ANDERSEN, MICHAEL T
• Application Number:
  US10/425,211
• Publication Number:
  US 20040220589A1
• Time in Patent Office: 1,344 Days
• Field of Search: 606/133, 606/441
• US Class Current: 606/133
• CPC Class Codes: A61B 17/32053 Punch like cutting instruments, e.g. using a cylindrical or oval knife A61B17/326 takes precedence; trepans A61B17/1695; for use on the cornea A61F9/007
• CPC Class Codes: A61B 2017/00752 Hair removal or transplantation
• CPC Class Codes: A61B 2217/005 with suction drainage system

Abstract

Apparatus and method are for extraction of follicular units. A dermal biopsy punch is utilized in combination with a suction device for extraction purposes. The use of suction to extract the follicular unit allows for distribution of the forces over a large area of the unit, helping to keep the unit intact. A perforating device, affixed to the punch, is utilized to weaken the structural integrity of the extraction area. The perforating device, having a single spike member which is inserted into the skin at a small, previously determined depth, in several locations, surrounding the follicular unit and reducing the holding tissue around the unit. The spike member of the perforating device is relatively thin and unlikely to damage the follicular unit. Because suction is utilized to extract the follicular unit, the distal end of the apparatus may have a guard which functions to prevent the extracted follicular units from being vacuumed further therein.

Claims

1. An apparatus for extraction of follicular units comprising:

a generally elongated handle (12), which comprises a tapering portion (14) at an end thereof,

a generally cylindrical biopsy punch (16) removably attached to the tapering portion of the handle (14),

a perforator (18) affixed to the punch (16), comprising an annular portion (18A), which comprises an open end to allow the same to fit around the punch (16).

the perforator further comprising a single solid spike member (18B), which extends along the vertical axis of the punch, generally parallel thereto,

the perforator also comprising an extended member (18C), which is of a shape corresponding to the tapering portion of the handle (14) and lower portion of the handle (12) and abutting same,

the end of the extended member (18C) extending outwardly from the handle to allow a user to engage and same and slide the perforator down the punch, to engage a patient'"'"'s scalp, providing a small aperture, the repeating of same in different positions resulting in a perforation thereon,

a butt end of the handle (12) engage a component of a suction means (20), which functions to vacuum extracted follicular units towards guard member (24), which contains follicular units and prevents same from entering an aperture (22) into the handle.

2. The apparatus as described in claim 1, wherein the punch is a 1 mm dermal biopsy punch.

3. The apparatus as described in claim 1, wherein the punch is inserted to approximately one half the depth of the follicular unit.

4. The apparatus as described in claim 1, wherein the handle is constructed of a polymeric material.

5. The apparatus as described in claim 1, wherein the punch is constructed of a metallic material.

6. A method of extracting follicular units comprising the steps of:

utilizing an apparatus with a generally elongated handle (12), which comprises a tapering portion (14) at an end thereof,

partially inserting a generally cylindrical biopsy punch (16), which is removably attached to the tapering portion of the handle (14), around a target follicular unit,

inserting a perforator (18) around the target follicular unit, the perforator affixed to the punch (16), comprising an annular portion (18A), which comprises an open end to allow the same to fit around the punch (16), the perforator further comprising single solid spike member (18B), which extends along the vertical axis of the punch, generally parallel thereto, the perforator also comprising an extended member (18C), which is of a shape corresponding the tapering portion of the handle (14) and lower portion of the handle (12) and abutting same, the end of the extended member (18C) extending outwardly from the handle to allow a user to engage and same and slide the perforator down the punch, to engage a patient'"'"'s scalp, providing an aperture, the repeating of the same in different positions resulting in a perforation thereon,

utilizing a suction means affixed to a butt end of the handle (12), which functions to vacuum extracted follicular units towards a guard member (24), which contains follicular units and prevents same from entering an aperture (22) into the handle.

7. The method as described in claim 6, utilizing a 1 mm dermal biopsy punch.

8. The method as described in claim 6, wherein the punch is inserted to approximately one half the depth of the follicular unit.

9. The method as described in claim 6, utilizing a handle constructed of a polymeric material.

10. The method as described in claim 6, utilizing a punch constructed of a metallic material.

11. The method according to claim 6, wherein the apparatus for extraction of follicular units includes:

the generally elongated handle (12), which includes the tapering portion (14) at an end thereof,

the generally cylindrical biopsy punch (16) removably attached to the tapering portion of the handle (14),

the perforator (18) affixed to the punch (16), including the annular portion (18A), which includes the open end to allow the same to fit around the punch (16),

the perforator further including the single solid spike member (18B), which extends along the vertical axis of the punch, generally parallel thereto,

the perforator also including the extended member (18C), which is of a shape corresponding to the tapering portion of the handle (14) and lower portion of the handle (12) and abutting same,

the end of the extended member (18C) extending outwardly from the handle to allow a user to engage and same and slide the perforator down the punch, to engage a patient'"'"'s scalp, providing a small aperture, the repeating of same in different positions resulting in a perforation thereon,

the butt end of the handle (12) engage the component of the suction means (20), which functions to vacuum extracted follicular units towards the guard member (24), which contains follicular units and prevents same from entering the aperture (22) into the handle.