Patent US4969903A successfully refreshed from Google Patents.
US4969903A
Expired / Lapsed
US
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Hair implant system
Assignee: Individual
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Filing: 1989-11-13
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Granted: 1990-11-13
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Expires: 2009-11-13
Abstract
Abstract The present disclosure relates to a method for implanting hair utilizing a hair implant system comprising a hair plug, a scalp perforator implement and an implant carrier implement. The method involves surgically preparing a scalp flap, perforating with a pyrimidically shaped needle to form a laterally extended perforation, passing the hair plug characterized by having a circular base and a central strand through the perforation so that the base anchors the plug under the flap and then suturing the flap in place.
Inventors
- 👤 Wilfredo Valle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:24
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/02; A61F2/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
87 words
A method for implanting hair into a bald scalp said method comprising preparing scalp flaps surgically, inwardly perforating the scalp flaps with a pyrimidical shaped scalp perforating implement to produce a four flap configuration, inserting into each such perforation a hair plug implement comprising a circular base and a centrally located hollow cylindrical stem containing a plurality of anchored synthetic or natural hair strands whereby said base is inward of the scalp and the stem extends outward through said perforation and suturing the scalp flaps in place.
Claim 2
Independent Claim
87 words
A method for implanting hair into a bald scalp said method comprising preparing scalp flaps surgically, inwardly perforating the scalp flaps with a pyrimidical shaped scalp perforating implement to produce a four flap configuration, inserting into each such perforation a hair plug implement comprising a circular base and a centrally located hollow cylindrical stem containing a plurality of anchored synthetic or natural hair strands whereby said base is inward of the scalp and the stem extends outward through said perforation and suturing the scalp flaps in place.
Claim 3
Dependent Claim
29 words
The method of claim 1 wherein said hair implant plug is made of tightly woven mesh thus allowing tissue to ingrow after implantation so as to anchor the implant.
References Cited (Backward Citations)
US1506262A
Cited
US3003155A
Cited
US3699969A
Cited
FR2372621A1
Cited
US4458678A
Cited
WO1988008286A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-11-12 | 1994-05-14 | 1994-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-11-12 | 1998-05-14 | 1998-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-11-12 | 2002-05-14 | 2002-11-13 | $7700.00 | Window Closed / Lapsed |