WO2009029630A1 - Système d'ajout de cheveux et procédés de mise en place correspondants - Google Patents

Système d'ajout de cheveux et procédés de mise en place correspondants Download PDF

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Publication number
WO2009029630A1
WO2009029630A1 PCT/US2008/074349 US2008074349W WO2009029630A1 WO 2009029630 A1 WO2009029630 A1 WO 2009029630A1 US 2008074349 W US2008074349 W US 2008074349W WO 2009029630 A1 WO2009029630 A1 WO 2009029630A1
Authority
WO
WIPO (PCT)
Prior art keywords
hair
anchor
elongate
connector
anchors
Prior art date
Application number
PCT/US2008/074349
Other languages
English (en)
Inventor
Ramona Wilson
Kenneth A. Murdock
Original Assignee
Mi Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mi Llc filed Critical Mi Llc
Publication of WO2009029630A1 publication Critical patent/WO2009029630A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/10—Hair or skin implants
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
    • A41G5/00—Hair pieces, inserts, rolls, pads, or the like; Toupées
    • A41G5/004—Hair pieces
    • A41G5/0053—Fastening thereof
    • A41G5/0073—Fastening thereof by mechanical fasteners, e.g. clasps, buttons, combs

Definitions

  • This disclosure relates to hair-extension apparatus and techniques that provide the appearance of longer hair.
  • Hair extensions allow hairstyles to be changed without the commitment needed to style one's natural hair.
  • hair extensions can provide the appearance of longer hair without waiting for the natural hair to grow, which typically grows at rate of 15 millimeters per month.
  • Various methods have been proposed to extend one's hair.
  • One such method is disclosed in U.S. Patent Number 3,295,534 to Dorkin, which discloses securing supplemental hairs to a base of natural (i.e., existing) hairs using adhesive.
  • this hair extension technique has a tendency to pull out the natural hair over time.
  • existing hair extension technology involves expensive, complicated, and time-consuming procedures that may need to be repeated to achieve a different look.
  • hair pieces have hair connected to a substrate that covers most of the scalp and the substrate is secured to the implant. This forces the user into wearing one hair piece and prevents different extensions from being applied to different parts of the head. Further, such hair pieces do not extend the length of existing natural hair.
  • Figure 1 is a lateral view of a head having a plurality of hair extension devices attached thereto.
  • Figure 2 is a sagittal view of the head of Figure 1 illustrating a hair extension device according to one embodiment.
  • Figure 3 is a sagittal view of the head of Figure 1 illustrating a hair extension device according to another embodiment.
  • Figure 4A is a sagittal view of the head of Figure 1 illustrating a hair extension device according to yet another embodiment.
  • Figure 4B is a anterior view of the hair extension device of Figure 4A.
  • Figure 5 is a posterior view of the head of Figure 1 illustrating a hair weft according to one embodiment.
  • Figure 6 is a posterior view of the head of Figure 1 illustrating a hair mesh according to one embodiment.
  • Figure 7A is a cross-sectional view of an anchor and connector having a safety release according to one embodiment.
  • Figure 7B is a cross-sectional view of an anchor and connector having a safety release according to another embodiment.
  • Figure 7C is a cross-sectional view of an anchor and connector having a safety release according to yet another embodiment.
  • Figure 8A is a cross-sectional view of a connector with a plurality of hair extensions having a safety release according to one embodiment.
  • Figure 8B is a cross-sectional view of a connector with a plurality of hair extensions having a safety release according to another embodiment.
  • Figure 8C is a cross-sectional view of a connector with a plurality of hair extensions having a safety release according to yet another embodiment.
  • Figure 1 illustrates a plurality of hair extension devices 10 attached to a head 20 of a user.
  • One or more elongate hair strands 30 can be attached to each of the hair extension devices 10 to, for example, extend the apparent length of the user's hair.
  • Hair strands 30 need not be the same color, type, or length. Indeed, certain hair styles may require different hair strands 30 to be attached at various locations of the user's head.
  • hair extension devices 10 and hair strands 30 are installed adjacent the user's natural (i.e., existing) hair 40. This allows the natural hair 40 to obscure the hair extension devices 10. Additionally, because hair strands 30 can pivot about their respective hair extension devices 10, hair strands 30 can flow freely relative to natural hair 40. This helps the hair strands 30 appear natural, even when viewed close up.
  • a sagittal view of the head 20 of Figure 1 illustrates a hair extension device 10' implanted therein (in Figure 2 reference numerals with the prime symbol, e.g., 10', indicate elements similar to those of the same name in another embodiment, e.g., the hair extension devices 10 shown in Figure 1 ).
  • the hair extension device 10' includes an anchor 50 placed into a bone mass, such as the wearer's cranium 22.
  • the anchor 50 may include a self-tapping portion 52 that drills away bone mass and allows a threaded portion 54 of the anchor 50 to advance into the bone mass as the anchor 50 is rotated.
  • the anchor 50 has a length sufficient to allow the threaded portion 54 to engage the bone mass without fully extending through the cranium 22 - thereby leaving the cerebrum 24 untouched.
  • a body portion 56 of the anchor 50 extends through subcutaneous tissue 26 and skin 28 of the head 20 so that a connector 60 can be secured to the anchor 50.
  • the anchor 50 may bond with the surrounding tissue - a process known as osseointegration. Accordingly, certain embodiments may omit the self-tapping portion 52 and/or the threaded portion 54 of the anchor 50.
  • the anchor may simply be friction fit into a cavity formed in the cranium 22 and become further secured in place over time (via osseointegration).
  • the anchor 50 may be secured to the cranium 22 with an adhesive bone cement.
  • the anchor 50 is made from a biocompatible material, such as titanium, ceramic, or polyurethane. However, other materials may be used based on the application.
  • the connector 60 includes a clasp member 62 pivotally connected to an elongate base 64.
  • the elongate base 64 may be secured to the anchor 50 in several ways.
  • the body portion 56 of the anchor 50 may include threads formed on an interior cavity that mesh with threads formed on a stud extending from the elongate base 64 (e.g., a universal mount).
  • the elongate base 64 may snap into the body portion 56, be welded thereto, or be integrally formed with the body portion 56.
  • the clasp member 62 is moveable between an open position for attaching the one or more hair strands 30 thereto and closed position for retaining the one or more hair strands 30.
  • a fastener may be provided to releasably join the elongate base 64 and the clasp member 62.
  • a catch member 66 may be provided on the elongate base for releasably engaging a free end 68 of the clasp member 62.
  • the clasp member 62 yields to excessive forces to ensure that the clasp 62 opens before the anchor 50 becomes dislodged from the cranium 22.
  • a spring element 69 may be provided at the pivot point between the clasp member 62 and the elongate base 64. The spring element 69 may be biased to help the clasp member 62 close or it may be biased to help the clasp member 62 open upon the application of a predetermined force.
  • the elongate base 64, clasp member 62, and spring element 69 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic. Additionally, these parts may be formed from the same or different material as the anchor 50.
  • the one or more hair strands 30 are secured directly to the connector 60.
  • the hair strands 30 may be folded upon themselves to define an overfolded end portion 32 (e.g., a loop of hair).
  • the hair strands 30 may further be secured to themselves using, for example, adhesive, stitching, or a clamp.
  • the clasp member 62 may run through overlapping portions 34 of the overfolded end portion 32 to thereby directly secure the hair strands 30 to the connector 60.
  • the one or more hair strands 30 may be secured to the connector 60 in other ways, such as via a friction fit or adhesive. Natural hair, synthetic hair, or a combination of both may be used for the one or more hair strands 30. According to one embodiment, the hair strands 30 have the same or greater length relative to the user's natural hair 40.
  • FIG 3 illustrates a hair extension device 10" according to another embodiment (in Figure 3 reference numerals with the prime symbols, e.g., 10", indicate elements similar to those of the same name in another embodiment, e.g., the hair extension devices 10 shown in Figure 1).
  • the anchor 50' of the hair extension device 10" includes a universal mount 70.
  • the universal mount 70 may be secured to the anchor 50' in several ways.
  • the body portion 56' of the anchor 50' may include threads formed on an interior cavity that mesh with threads formed on the universal mount 70.
  • the universal mount 70 may snap into the body portion 56", be welded thereto, or be integrally formed with the body portion 56'.
  • base 64' is disk (or cup) shaped and has a recess 65 sized to receive the universal mount 70.
  • the universal mount 70 may also take different forms.
  • the universal mount 70 may be a bolt, snap, magnet, or hook-and-loop fastener and may be integrally form with or attached to the anchor 50' or connector 60'.
  • FIGs 4A and 4B illustrate a hair extension device 10'" according to another embodiment (in Figures 4A and 4B reference numerals with the prime symbols, e.g., 10'", indicate elements similar to those of the same name in another embodiment, e.g., the hair extension devices 10 shown in Figure 1).
  • the anchor 50" of the hair extension device 10'" includes an exposed end 80 having an elongate channel 82 formed therein.
  • a pin 84 may be disposed within the channel 82 so that it is substantially perpendicular to the channel 82.
  • the wall portions 86 of the channel 82 and a portion of the pin 84 define a guide channel 88 for receiving a connector 90.
  • the connector 90 includes a hook-shaped portion 92 on one end for securing the connector 90 to the anchor 50" and one or more hair strands 30" secured to the other end.
  • the hook- shaped portion 92 can be inserted into the guide channel 88 of the anchor 50" and held in place by the pin 84.
  • the connector 90 may include a safety release feature 94 that yields to excessive forces to ensure that the anchor 50" does not dislodge from the cranium 22.
  • the safety release feature 94 includes arms 96 joined at a pivot point 97. Lugs 98 may jut from the arms 96 toward each other and extend through an opening formed in the connector 90.
  • the lugs 98 may be joined by a weak link, such as a reduced diameter portion. This allows the link to break, the arms 96 to pivot about point 97, and the hair strands 30" to separate from the connector 90 upon the application of a predetermined tensile force.
  • a tension device 99 may also be provided to bias the arms away or toward each other to aid in the release or retention of the hair strands 30".
  • the connector 90, safety release feature 94, and/or tension device 99 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic. Additionally, these parts may be formed from the same or different material as each other or the anchor 50".
  • a posterior view of the head 20 of Figure 1 illustrates a hair weft 100 attached to anchors 110 (in Figure 5 reference numerals with the prime symbols, e.g., 30'", indicate elements similar to those of the same name in another embodiment, e.g., the one or more hair strands 30 shown in Figure 1 ).
  • the hair weft 100 includes an elongate base element 102 having opposing fasteners 104 and 106.
  • the fasteners 104 and 106 may be hook-shaped (similar to the connector 90 in Figure 4A) and engage a pin (similar to pin 84 in Figure 4A) incorporated with anchors 110.
  • fasteners 104 and 106 may take other forms or shapes, such as those previously described with reference to Figures 2, 3, 4A, and 4B or those that will be described with reference to Figures 7A, 7B, 7C, 8A, 8B, and 8C.
  • a plurality of one or more hair strands 30'" may be secured to the elongate base element 102 via loops 108.
  • the hair strands 30'" may be folded into a loop of hair through which one of the loops 108 may run.
  • the one or more hair strands 30"' may be secured to the elongate base element 102 in other ways, such as those already described with reference to Figures 2, 3, 4A, and 4B or those that will be described with reference to Figures 7A, 7B, 7C, 8A, 8B, and 8C.
  • FIG. 6 a posterior view of the head 20 of Figure 1 illustrates a mesh 120 attached to anchors 110' (in Figure 6 reference numerals with the prime symbols, e.g., 30"", indicate elements similar to those of the same name in another embodiment, e.g., the one or more hair strands 30 shown in Figure 1 ).
  • the mesh 120 includes a plurality of openings 122 through which the natural hair 40 of the user passes. Additionally, the openings 122 allow the mesh to be secured to the anchors 110'. For example, each corner of the mesh 120 may be stretched so that one of the anchors 110' passes through one of the openings 122.
  • the mesh 120 could be secured in other ways, including those already described with reference to Figures 2, 3, 4A, 4B, and 5.
  • a bolt (not shown) may be threaded into the anchors 110', sandwiching the mesh 120 between a head of the bolt and the anchor 110".
  • a plurality of one or more hair strands 30"" may be secured to the mesh 120.
  • the hair strands 30"" may be folded to form a loop of hair through which one of the threads that make up the mesh 120 may run.
  • the one or more hair strands 30"" may be secured to the mesh 120 in other ways, such as those already described with reference to Figures 2, 3, 4A, 4B, and 5 or those that will be described with reference to Figures 7A, 7B, 7C, 8A, 8B, and 8C.
  • the threads that make up mesh 120 may be fabric, plastic, or metal.
  • other materials may be used, such as a stretchable material.
  • Various safety release features that yield to excessive forces may be provided to ensure that the anchors do not dislodge from the cranium 22.
  • the safety release features such as magnets and snaps, may be provided between the one or more hair strands and the connectors, the anchors and the connectors, or both.
  • various safety release features are shown between anchors 50"' and connectors 60" (in Figures 7A, 7B, and 7C reference numerals with the prime symbols, e.g., 50"', indicate elements similar to those of the same name in another embodiment, e.g., the anchor 50 shown in Figure 2).
  • the body portion 56"' of the anchor 50' includes a recess 130 for receiving a pin 140 of the connector 60". If a sufficient tensile force is applied to the one or more hair strands 30 , the pin 140 withdraws from the recess
  • a spring element 150 may be provided and biased to help push the pin 140 into the recess 130 or it may be biased to help remove the pin 140 from the recess 130.
  • the pin 140 and/or spring element 150 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic. Additionally, these parts may be formed from the same or different material as the anchor 50'". [0035] As shown in Figure 7B, the body portion 56'" of the anchor 50"' includes a catch member 160.
  • the connector 60" may include cantilevered arms 170 having a ledge that engages the catch member 160.
  • the cantilevered arms 170 move toward each other so that the connector 60" separates from the anchor 50'".
  • the cantilevered arms 170 and/or catch member 160 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic. Additionally, these parts may be formed from the same or different material as the anchor 50"'.
  • the body portion 56'" of the anchor 50'" and the connector 60" include a plurality of barbs 180 and 190.
  • barbs 190 engage barbs 180 and hold the connector 60" in place. If a sufficient tensile force is applied to the one or more hair strands 30'"", the barbs 180 and 190 disengage allowing the connector 60" to separate from the anchor 50'".
  • the barbs 180 and 190 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic. Additionally, these parts may be formed from the same or different material as the anchor 50'".
  • the one or more hair strands 30" indicate elements similar to those of the same name in another embodiment, e.g., the one or more hair strands 30 shown in Figure 1).
  • the one or more hair strands 30"" are inserted into a recess 202 formed in the connector 200.
  • the size (e.g., diameter) of the recess 202 is selected to be smaller than the size of the one or more hair strands 30""” such that friction holds the extensions in place.
  • the one or more hair strands 30""" are pulled from the connector 202 if a sufficient tensile force is applied to them.
  • a recess 212 may be formed in the connector 210.
  • a shear pin 214 may be inserted into the side of the connector 210 (proximate the recess 212) and through a loop 216 formed at the end of the one or more hair strands 30""".
  • the size (e.g., diameter) of the shear pin 214 may be selected to release the one or more hair strands 30""" upon the application of a sufficient tensile force.
  • the connector 210 and/or shear pin 214 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic.
  • the connector 220 may have a narrowed section 222. If a sufficient tensile force is applied to the one or more hair strands 30""", the narrowed section 222 of the connector 220 breaks - allowing the one or more hair strands 30""” to pull free from the connector 220.
  • the connector 220 may be molded from metal, such as steel, aluminum, and alloys, or may be formed from other materials, such as plastic.
  • the anchors 50 of the hair extension devices 10 described herein can be installed in several ways. On such method involves determining where the hair extension devices 10 should be installed. While the hair extension devices 10 can be installed anywhere on the head 20 of the user, according to one embodiment, most of the hair extension devices 10 are installed proximate the vertex and occiput. After the installation locations are selected, the natural hair 40 surrounding the installation site is shaven and the area is sterilized and locally anesthetized. An incision is made through the skin 28 and subcutaneous tissue 26 and the cranium 22 is exposed. If the anchor 50 is self-tapping, it is slowly inserted into the cranium 22.
  • an initial pilot hole is drilled into the cranium 22 and taps are used to carve threads into the cranium 22 (if needed).
  • the anchor 50 is inserted into the cranium 22, the skin is closed in layers and possibly stitched. Before attaching anything to the anchor 50, the area is allowed to heal (and to allow for osseointegration). After the local inflammation subsides, the distal end of the anchor 50 will extend slightly above the surface of the skin 28.
  • the one or more hair strands 30 can be secured to one of the connectors in several ways, including those described herein.
  • the connectors can be secured to the anchors 50 in many ways, including those described herein.
  • the user may part natural hair 40 along a parting line 230 corresponding generally to the location of anchors 110.
  • An upper portion 42 of natural hair 40 may be positioned above parting line 230 and fastened in place with a hair clip 240 or the like. With the anchors 110 exposed, the user can attach hair weft 100 thereto.
  • fasteners 104 and 106 are hook-shaped and anchors 110 are similar to anchors 50" (see Figures 4A and 4B)
  • the user can simply slide the hook-shaped fasteners 104 and 106 into guide channel 88.
  • the hair clip 240 can be removed so that the upper portion 42 of natural hair 40 falls back into place - hiding the base element 102, fasteners 104 and 106, and anchors 110. Because the plurality of one or more hair strands 30'" are secured independently to the elongate base element 102, the hair strands 30"' are allowed to flow freely relative to the natural hair 40. This helps the hair strands 30'" appear natural, even when viewed close up.
  • the user may part natural hair 40 along a parting line 230' corresponding generally to the location of anchors 110'.
  • An upper portion 42' of natural hair 40 may be positioned above parting line 230' and fastened in place with a hair clip 240' or the like.
  • Some of the natural hair 40 above the parting line 230' may be pulled free from the hair clip 240" and passed through the openings 122 near the top portion of the mesh 120.
  • some of the natural hair 40 below the parting line 230" may be passed through the openings 122 near the bottom portion of the mesh 120. The user can then attach mesh 120 to the anchors 110'.
  • each of the anchors 110" may be passed through an opening 122 in a respective corner of the mesh 120.
  • the hair clip 240' can be removed so that the upper portion 42' of natural hair 40 falls back into place - hiding the mesh 120 and anchors 110'. Since the plurality of one or more hair strands 30"" are secured independently to the mesh 120, the hair strands 30"" are allowed to flow freely relative to the natural hair 40. This helps the hair strands 30"" appear natural, even when viewed close up.

Abstract

Un système d'ajout de cheveux comprend un dispositif d'ancrage biocompatible conçu pour être fixé directement sur le crâne de l'utilisateur au voisinage des cheveux naturels, un dispositif de liaison conçu pour être fixé directement au dispositif d'ancrage, et au moins une mèche de cheveux allongée fixée directement au dispositif de liaison de sorte que la ou les mèches de cheveux bougent librement relativement aux cheveux naturels. Le dispositif de liaison, ou la ou les mèches de cheveux allongées, peuvent être conçus pour céder à des forces excessives de telle sorte que le dispositif d'ancrage ne se déloge pas du crâne si la ou les mèches de cheveux allongées sont tirées avec une force suffisante.
PCT/US2008/074349 2007-08-27 2008-08-26 Système d'ajout de cheveux et procédés de mise en place correspondants WO2009029630A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/845,559 US20090056730A1 (en) 2007-08-27 2007-08-27 Hair extension devices and methods
US11/845,559 2007-08-27

Publications (1)

Publication Number Publication Date
WO2009029630A1 true WO2009029630A1 (fr) 2009-03-05

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WO (1) WO2009029630A1 (fr)

Cited By (2)

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ITMO20090315A1 (it) * 2009-12-24 2011-06-25 X Med S R L ¿dispositivo di fissaggio per protesi tricologiche¿.
EP2555706A1 (fr) * 2010-04-07 2013-02-13 James Costabile Dispositif et procédé d'attache de cheveux

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KR101147300B1 (ko) 2009-07-23 2012-05-18 장상건 가발 제작을 위한 골내 고정용 모발 이식체
US8753367B1 (en) * 2012-12-21 2014-06-17 James Costabile Device and method for attaching hair
US9211479B2 (en) * 2014-01-11 2015-12-15 Vivian Miller Doll having fastening surface head with interchangeable hair sections
US9314702B2 (en) * 2014-02-18 2016-04-19 Margaret Mary Stafford Apparatus and method pertaining to non-mesh, hair-securement elongated strips for use with a doll
US10034507B2 (en) * 2016-01-15 2018-07-31 Infinity Grip Llc Locking hair extension device
US10149529B1 (en) * 2016-06-27 2018-12-11 LaToya Turner Ultimate hair stand system and method
US11439193B2 (en) * 2017-01-25 2022-09-13 Tammy Gucciardi Ventilated hair extension wefts
US11606996B1 (en) 2020-02-21 2023-03-21 Sarah Clark Magnetic hair extension accessory

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US3179954A (en) * 1963-09-03 1965-04-27 Dorothea M Weitzner Convertible plastic frame cap
US4600029A (en) * 1981-10-16 1986-07-15 Maria Ueberschaar Hairpieces
US5005594A (en) * 1987-10-15 1991-04-09 Dunagan Geneva R Wig anchor
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US5881736A (en) * 1997-02-10 1999-03-16 Turner; Pamela J. Apparatus and method for decorating hair
US6298861B1 (en) * 1997-06-05 2001-10-09 Aderans Co., Ltd. Wig stopper and wig stopper fitting sheet
US6302115B1 (en) * 2000-02-16 2001-10-16 Hair Blast, Inc. Hair fashion accessory
US20060005848A1 (en) * 2003-01-30 2006-01-12 Hairlocs, Inc. Methods and devices for applying hair extensions

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20090315A1 (it) * 2009-12-24 2011-06-25 X Med S R L ¿dispositivo di fissaggio per protesi tricologiche¿.
EP2555706A1 (fr) * 2010-04-07 2013-02-13 James Costabile Dispositif et procédé d'attache de cheveux
EP2555706A4 (fr) * 2010-04-07 2013-09-25 James Costabile Dispositif et procédé d'attache de cheveux

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