WO2023101125A1 - Repiqueuse de cheveux multicanal avec facilité d'assemblage améliorée - Google Patents

Repiqueuse de cheveux multicanal avec facilité d'assemblage améliorée Download PDF

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Publication number
WO2023101125A1
WO2023101125A1 PCT/KR2022/010087 KR2022010087W WO2023101125A1 WO 2023101125 A1 WO2023101125 A1 WO 2023101125A1 KR 2022010087 W KR2022010087 W KR 2022010087W WO 2023101125 A1 WO2023101125 A1 WO 2023101125A1
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WO
WIPO (PCT)
Prior art keywords
channel
upper cap
needle
tacking
hair
Prior art date
Application number
PCT/KR2022/010087
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English (en)
Korean (ko)
Inventor
김병술
손대웅
박지혜
김종훈
박은헌
Original Assignee
주식회사 오대
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
Priority claimed from KR1020210171272A external-priority patent/KR102670009B1/ko
Priority claimed from KR1020220015034A external-priority patent/KR20230118423A/ko
Application filed by 주식회사 오대 filed Critical 주식회사 오대
Priority to CN202280079591.9A priority Critical patent/CN118338857A/zh
Publication of WO2023101125A1 publication Critical patent/WO2023101125A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • 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

Definitions

  • the present invention relates to a hair transplanter (hair transplanter), and more particularly, to a multichannel (multichannel) hair transplanter equipped with a plurality of hair transplantation needles (transplantation needles) in a bundle shape.
  • a hair transplanter is a medical device used in a hair treatment method in which hair is collected from a hair growth region of the scalp and transplanted by planting the hair in the scalp (infertile patient) of another infertile region where hair loss has occurred.
  • the "multi-channel hair transplanter" of Korean Patent Publication No. 2019-0109321 is bundled hair transplant equipped with a plurality of needle channels composed of a needle (transplantation needle) and a shaft slidably inserted into the needle. device was released.
  • FIG. 1 A hair transplant (hair transplant) operation according to a conventional multi-channel hair transplant device is schematically shown in FIG. 1 .
  • a hair follicle to be transplanted is inserted into the inner space at the lower end of the needle (1), and the hair transplanter is lowered and the tip of the needle (1) is inserted into the scalp as shown in FIG. 1 (b).
  • the needle 1 is inserted into the scalp until the lower end of the nozzle 5 of the hair transplanter touches the scalp.
  • the needle 1 moves up relative to the nozzle 5 and the mandrel 3 and rises, leaving the hair follicle in the scalp (FIG. 1(c)), and lifting the entire hair transplanter to complete the hair transplant operation (FIG. 1(c)). 1(d)).
  • the needle should be inserted into the scalp to a depth of about 7.5 mm to 8.5 mm.
  • the deeper the insertion depth the more safety problems such as damage to the patient's scalp and bleeding may occur.
  • the hair transplanter cannot be supported against the scalp and the hair transplanter moves left and right. Since it is shaken, it is difficult to prevent damage to the scalp even in this case.
  • the conventional multi-channel hair transplanter has a structure in which the inner parts are taken out after the upper cap of the hair transplanter is separated from the hair transplanter case in order to replace or clean internal consumables. At this time, it was not easy to reassemble the upper cap to the case after replacing consumables or cleaning. That is, in the case of a conventional multi-channel hair transplanter, when the upper cap is separated from the case, the spring in the center ('center spring') and the spring that presses the push bar ('push spring') are also removed. It was not easy to attach the top cap to the case while aligning the two springs in their original positions.
  • the present invention has been made to solve the problems of the prior art, and an object of the present invention is to provide a hair transplanter capable of transplanting hair follicles to an appropriate depth in the scalp while reducing the depth at which needles are inserted into the scalp compared to the prior art.
  • the present invention is a multi-channel hair transplanter that can prevent the spring from leaving the upper cap when the upper cap is removed from the case by integrally combining the central spring and the push spring with the upper cap and thereby increasing the ease of assembly. intended to provide
  • a multi-channel hair transplanter having a plurality of tacking channels, comprising: a tacking channel bundle (B) in which a plurality of tacking channels are radially coupled to the outer side; a tubular case accommodating the hour hand channel bundle (B); and an upper cap detachably coupled to an upper portion of the case, wherein the upper cap includes: a central spring having one end supported by an inner surface of the upper cap; and a spring cover that supports the other end of the central spring and is slidably coupled to the inside of the upper cap.
  • hair follicles can be seated in the scalp while reducing the depth at which needles are inserted into the scalp compared to the prior art, thereby reducing the patient's scalp damage or bleeding and alleviating the patient's or operator's reluctance to the hair transplant procedure. there is.
  • a rotor guide at least partially surrounding the needle protruding downward in the tacking channel is further provided, and the needle and the rotor guide are coupled to the through-hole of the nozzle of the hair transplanter through which the needle and the rotor guide pass.
  • the central spring and the push spring are integrally combined with the upper cap to make a module, so that the spring can be prevented from being separated from the upper cap when the upper cap is removed from the case, and thus the assembly of the hair transplanter. Ease of use can be improved.
  • FIG. 1 is a view explaining the forward and backward operations of the hour hand channel according to the prior art
  • Figure 2 is a perspective view of a hair transplanter according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view of a hair transplanter according to an embodiment
  • Figure 4 is an exploded perspective view of the hair transplanter according to one embodiment
  • Figure 5 is a view showing the lower region of the hair transplanter in a state where the lower cap is removed;
  • FIG. 6 is a diagram for explaining an hour hand channel bundle according to an embodiment
  • FIG. 7 is a perspective view of an upper cap according to one embodiment
  • FIG. 8 is an exploded perspective view of an upper cap according to an embodiment
  • FIG. 9 is a cross-sectional side view of an upper cap according to one embodiment.
  • FIG. 10 is a perspective and cross-sectional view of a tacking channel according to one embodiment
  • FIG. 11 is an exploded perspective view of a tacking channel according to an embodiment
  • FIG. 12 is a view for explaining a configuration of a nozzle unit according to an embodiment
  • FIG. 13 is a view for explaining a mandrel engaging portion according to an embodiment
  • FIG. 14 is a diagram for explaining a jamming and unjamming operation of a mandrel according to an embodiment
  • 15 is a diagram explaining forward and backward operations of a tacking channel according to an exemplary embodiment.
  • 'advance' of components such as a needle channel, needle, and mandrel means that the component moves toward the scalp
  • 'retract' or 'backward' means that the component moves away from the scalp. It can mean moving in a direction.
  • Figure 2 is a perspective view of a hair transplanter (hair transplanter) according to an embodiment
  • Figure 3 is a cross-sectional view of the hair transplanter
  • Figure 4 is an exploded perspective view.
  • the hair transplanter of one embodiment is composed of a case 10, and a nozzle unit 20 and an upper cap 30 coupled to lower and upper portions of the case 10, respectively.
  • the nozzle unit 20 is located inside the detachably fastened lower cap 50 .
  • the case 10 is a tubular member with open top and bottom ends. Inside the case 10, an hour hand channel bundle B, in which a plurality of hour hand channels 1200 are coupled in a bundle form, is rotatably disposed.
  • the hour hand channel bundle (B) is a multi-channel unit composed of a plurality of hour hand channels, and may be composed of a bundle main body 1100 and a plurality of hour hand channels 1200 radially arranged at regular intervals on the outer circumferential surface thereof.
  • a channel rotation means for rotating the hour hand channel bundle by a predetermined angle by one channel is disposed around the outer circumference of the hour hand channel bundle (B).
  • the channel rotating means is a cylindrical lifting gear holder 1400 surrounding the outer circumferential surface of the tacking channel bundle and a ratchet protruding from the inner surface of the case 10 and disposed on the outer circumferential surface of the lifting gear holder 1400 ( ratchet) support portion 1300 may be included.
  • the ratchet support part 1300 protrudes inward from the inner surface of the case 10.
  • the elevating gear holder 1400 can slide in a vertical direction.
  • the tacking channel bundle may be rotated by a predetermined angle each time the elevating gear holder 1400 ascends and descends once.
  • the hour hand channel bundle (B) can be rotated by one hour hand channel interval by one upward/lowering operation of the elevating gear holder 1400 . Since the specific configuration and operation of the channel rotation means by the ratchet support 1300 and the lifting gear holder 1400 are known, for example, in Korean Patent Publication No. 2019-0109321, a detailed description thereof will be omitted.
  • a mandrel engaging portion 1700 is disposed on the side of the case 10 .
  • the mandrel locking portion 1700 has a function of temporarily preventing the mandrel from moving by hanging a mandrel (1230 in FIG. 7) slidably disposed inside the hour hand channel 1200.
  • a nozzle unit 20 is fastened to the lower end of the case 10 .
  • the nozzle part 20 is composed of a ring-shaped nozzle part frame 21 and a nozzle 25 integrally connected to the frame 21 and formed at the lower end and the center, respectively, and the central support part 22.
  • the nozzle 25 is a through-hole through which one tacking channel 1200 can pass, and one tacking channel 1200 can protrude downward through the nozzle 25 by a predetermined length.
  • the center support portion 22 has a receiving portion open upward and is formed at the center of the nozzle portion 20 .
  • the central shaft 1550 is disposed in the longitudinal direction along the central axis of the case 10, the lower end of the central shaft 1550 to fasten the nozzle unit 20 to the case 10
  • the nozzle unit 20 is at least partially fitted into the receiving portion of the central support 22 .
  • the frame 21 of the nozzle unit 20 is engaged with the lower end of the case 10 .
  • the ring-shaped needle length adjusting ring 40 may be detachably fastened to the lower end of the case 10 .
  • the needle length adjusting ring 40 is a ring-shaped member having a screw thread 41 formed on an inner surface, and the screw thread 41 is configured to engage with a screw thread 15 formed on the outside of the lower end of the case 10.
  • the needle length adjusting ring 40 is configured to support the elevating gear holder 40 from below.
  • the needle length adjusting ring 40 is disposed to support the lifting gear holder 1400 from the bottom while contacting one or more connecting protrusions 1420 and 1430 protruding from the outer circumferential surface of the lifting gear holder 1400, and thus The needle length adjusting ring 40 may serve as a stopper that determines a stop position when the elevating gear holder 1400 descends.
  • the needle length adjusting ring 40 may be configured to adjust the fastening height with the case 10 .
  • the needle length adjusting ring ( 40) can adjust the height fastened to the case 10.
  • the stop height of the lifting gear holder 1400 when descending can be adjusted, so that the needle 1220 of the tacking channel engaged with the lifting gear holder 1400 and descending downwards is attached to the nozzle unit 20.
  • the degree of downward protrusion through the nozzle 25, that is, the protrusion length of the needle channel needle 1220 can be adjusted.
  • the needle length adjusting ring 40 may also have a function of ensuring that the lower end of the nozzle frame 21 and the case 10 are engaged.
  • the needle length adjusting ring 40 surrounds and fastens the nozzle frame 21 and the lower end of the case 10, it is possible to prevent the nozzle unit frame 21 from being separated due to the opening of the lower end of the case 10. Accordingly, the central support part 22 of the nozzle part 20 is supported by being inserted into the central shaft 1550, and the frame 21 of the nozzle part 20 is supported by the lower end of the case 10 and the needle length adjusting ring 40. While being supported and fixed, the nozzle unit 20 can be more reliably and firmly fastened to the case 10 .
  • FIG. 5 is a view showing the lower region of the hair transplanter in a state in which the lower cap 50 is removed.
  • the hair transplanter includes a push bar 1530 that pushes one tack channel 1200 of the tack channel bundle B downward.
  • the push bar 1530 is disposed between the top of the tacking channel bundle B and the top cap 30 in the case 10, and at this time, the push bar 1530 is supported by an elastic member such as a push spring 1540. It is elastically coupled to the upper cap 30.
  • the push bar 1530 and the nozzle 25 of the nozzle unit 20 are aligned on a straight line. Accordingly, when the push bar 1530 pushes the hour hand channel 1200 downward, the needle 1220 of the pushed hour hand channel 1200 may protrude through the nozzle 25 by a predetermined length.
  • the hour hand channel bundle (B) is composed of a bundle main body 1100 and a plurality of hour hand channels 1200 slidably coupled to the outer circumferential surface of the bundle body 1100 in the vertical direction.
  • the bundle body portion 1100 may include a tubular channel coupling portion 1110 and a head portion 1120 formed on the channel coupling portion 1110 .
  • the channel coupling part 1110 and the head part 1120 may be integrally formed or may be separately manufactured and combined.
  • the channel coupling part 1110 and the head part 1120 have vertical through-holes formed therein, and therefore, as shown in FIG. 3 or 4, the central shaft 1550 penetrates the bundle body part 1100, can be placed.
  • a stepped surface 1130 may be formed between the channel coupling part 1110 of the bundle body part 1100 and the head part 1120. As shown in FIG. 6 , the stepped surface 1130 may have an annular shape surrounding the periphery of the head portion 1120 and having a surface facing upward.
  • a plurality of slide rails 1115 are formed on the outer circumferential surface of the channel coupler 1110 at equal radial intervals based on the central axis of the channel coupler 1110 .
  • the slide rails 1115 are engraved long in the vertical direction, and each hour hand channel 1200 is slidably inserted into each slide rail 1115 in the vertical direction and coupled.
  • the head part 1120 has a larger diameter than the diameter of the channel coupling part 1110, and thus serves as a stopper to prevent the tacking channels 1200 from going up any further.
  • a central spring 1520 is interposed between the head part 1120 and the upper cap 30, and the central spring 1520 can elastically support the tacking channel bundle B downward. there is.
  • a protective cap 60 for protecting the needles 1220 of the hour hand channel 1200 may be detachably fastened to the lower portion of the hour hand channel bundle (B).
  • the protective cap (60) When mounting the tacking channel bundle (B) to the hair transplant machine, remove the protective cap (60), insert it into the case (10) and mount it (see Fig. 3 or 4), and replace or replace the tacking channel bundle (B) When is removed from the case 10, the needle 1220 can be protected by fastening the protective cap 60 to the needle channel bundle B.
  • Figure 7 is a perspective view of the top cap 30 according to one embodiment
  • Figure 8 is a cross-sectional side view of the top cap 30
  • Figure 9 is an exploded perspective view of the top cap.
  • the upper cap 30 is a lid-shaped member that can be detachably fastened to the top of the case 10, and the upper protrusion 31 and the guide portion 32 can include
  • the upper protruding portion 31 is a portion protruding upward of the upper cap 30 to accommodate at least a portion of the push spring 1540 therein.
  • the guide portion 32 is a portion extending downward from one side of the outer circumferential surface of the upper cap 30 to guide the sliding path of the push bar 1530 .
  • Each of the upper protrusion 31 and the guide portion 32 may be formed separately from the upper cap 30 and then attached to the upper cap 30, or integrally formed with the upper cap 30 as in the illustrated embodiment. It could be.
  • the upper cap 30 includes a spring cover 70 slidably coupled to the inside of the upper cap 30 .
  • a spring accommodating portion 35 protruding downward is formed on the inner upper surface of the upper cap 30, and a tubular spring cover 70 is slidably coupled to the spring accommodating portion 35.
  • at least one slot 352 is formed on the side of the spring receiving portion 35 and a two protrusion 73 corresponding thereto is formed on the side of the spring cover 70, and the protrusion 73 is the slot. Since the protrusion 73 can move in the slot 352 while being inserted into the 352, the spring cover 70 can be prevented from being removed from the upper cap 30.
  • a central spring 1520 is interposed between the top cap 30 and the spring cover 70 . That is, one end of the central spring 1520 may be supported by the inner surface of the upper cap 30 and the other end may be coupled to and supported by the spring cover 70 .
  • the spring cover 70 includes a through hole 71 formed at the center of the lower surface 72 , and thus the lower surface of the spring cover 70 may be formed around the through hole 71 .
  • a guide rail 321 guiding a sliding path of the push bar 1530 is formed inside the guide portion 32 extending downward from the upper cap 30 .
  • the push bar 1530 has wing parts 1533 extending to one side, and the wing parts 1533 can be inserted into the guide rail 321 to slide.
  • a stopper 322 protruding at least partially toward the space of the guide rail 321 may be formed at the lowermost end of the guide rail 321 .
  • the push spring 1540 is interposed between the upper protrusion 31 of the upper cap 30 and the push bar 1530.
  • the lower end of the push spring 1540 is inserted into the spring fitting part 1531 protruding from the upper part of the push bar 1535 and supported, and the upper end of the push spring 1540 is accommodated in the inner space of the upper protrusion part 31 can be supported
  • the upper cap 30 may be configured in a module form including a central spring 1520 and a push spring 1540 . Therefore, when the upper cap 30 is separated from the case 10 to replace the hour hand channel bundle B, the central spring 1520 or the push spring 1540 can be prevented from being separated from the upper cap 30. , Even when the upper cap 30 is fastened to the case 10, there is no need to fasten while continuously checking the position between the respective springs 1520 and 1540 and the hour hand channel bundle B.
  • the head portion 1120 of the bundle body portion 1100 spring cover 70 is in contact with the stepped surface 1130 of the bundle body 1100, so that the central spring 1520 lowers the tacking channel bundle B. direction, and the push bar 1530 may be disposed to press one tacking channel 1200 coupled to the tacking channel bundle B downward.
  • FIGS. 10 and 11 are diagrams showing a tacking channel 1200 according to an embodiment.
  • Fig. 10(a) is a perspective view of the tacking channel 1200
  • Fig. 10(b) is a cross-sectional view
  • Fig. 11 is an exploded perspective view.
  • the hour hand channel 1200 includes a body portion 1210 having a tubular inner space in a vertical direction, a needle 1220 coupled to the lower portion of the body portion 1210, and the tube. It may be composed of a mandrel 1230 slidably disposed in the inner space of the shape.
  • the tubular inner space of the body portion 1210 may include an upper first diameter portion 1210a having a relatively large diameter and a lower second diameter portion 1210b having a relatively small diameter.
  • the lower second diameter portion 1210b has a diameter sufficient for the mandrel 1230 to pass through, and the upper first diameter portion 1210a accommodates the spring 1241 fitted around the mandrel 1230. have a diameter as large as possible.
  • the hair root transplantation needle 1220 is inserted into and coupled to the body portion 1210 through the open lower end of the second diameter portion 1210b of the body portion 1210 .
  • the needle 1220 has a tubular shape with a hollow center, that is, a through hole is formed along the longitudinal direction, and the through hole of the needle 1220 communicates with the inner space of the body portion 1210 .
  • a slot hole open to the outside is formed on the side of the lower end of the needle 1220 so that hair follicles can be easily inserted therein.
  • the mandrel 1230 is inserted into the inner space of the needle 1220 and arranged so that the lower end of the mandrel 1230 is lower than the uppermost end of the slot hole and does not protrude below the lowermost end of the needle 1220.
  • the slot hole is formed in a radially outward direction of the needle channel bundle (B), and thus provides convenience for the operator's hair follicle mounting operation.
  • the body part 1210 includes a side protrusion 1213 formed in the vertical direction along one side surface.
  • the side protrusion 1213 protrudes in a direction toward the channel coupling portion 1110, that is, in a radially inward direction, and the shape of the protrusion of the side projection 1213 is the shape of the concave portion of the slide rail 1115 of the channel coupling portion 1110. It is configured to engage with. Accordingly, the side protrusion 1213 of the body part 1210 is inserted into and engaged with the slide rail 1115 of the channel coupler 1110, so that the tacking channel 1200 can slide in the vertical direction along the slide rail 1115.
  • the hour hand channel 1200 includes a hooking protrusion 1211 extending from the body portion 1210 in a direction opposite to the side protrusion 1213 of the body portion 1210, that is, in a radially outward direction of the hour hand channel bundle (B). .
  • the locking protrusion 1211 is formed at the lower end of the slot 1215 formed in the vertical direction, the protrusion 1217 extending radially outward from the surface of the locking protrusion 1211, and the lower end of the locking protrusion 1211, and moves in one direction. It includes a serrated ratchet gear 1212 having only an inclination angle.
  • the slot 1215 is formed in the body part 1210 in the longitudinal direction (vertical direction) and has a shape open toward one side of the body part 1210 .
  • the slot 1215 is formed in a vertical direction on a radially outward surface of the engaging protrusion 1211 and communicates with a tubular inner space of the body portion 1210 .
  • a mandrel 1230 is disposed in the tubular inner space, and a lever 1231 is coupled to an upper end of the mandrel 1230.
  • the lever 1231 is guided by the slot 1215 and can slide in an up and down direction.
  • a spring 1241 is fitted around the mandrel 1230.
  • the upper end of the spring 1241 is supported on the lower surface of the lever 1231, and the lower end of the spring 1241 is a step between the first diameter part 1210a and the second diameter part 1210b in the body part 1210. is supported on
  • the upper end of the slot 1215 is open, and the upper stopper 1250 may be inserted and coupled to the open upper end.
  • the upper stopper 1250 serves as a stopper so that the lever 1231 does not go up any further.
  • the upper surface of the upper stopper 1250 has a surface inclined in one direction so that the tacking channel bundle B can rotate smoothly. That is, the surface 1251 of the upper plug 1250 is aligned in the direction of rotation of the tacking channel bundle so that the rotation of the tacking channel bundle B is not hindered by the push bar 1530 in contact with the upper surface of the upper plug 1250. It is formed as an inclined surface inclined by a predetermined inclination angle 1253.
  • the body portion 1210 of the hour hand channel 1200 further includes a locking groove 1219.
  • the locking groove 1219 is formed below the locking protrusion 1211 on the radially outwardly facing surface of the body portion 1210 .
  • the locking groove 1219 may accommodate the clasp 1910 of the hour hand channel locking portion 1900 .
  • the body portion 1210 may further include a rotor guide 1270 that extends downward.
  • the rotor guide 1270 extends downward from the lower end of the body 1210 to surround at least a portion of the outer circumferential surface of the needle 1220.
  • the rotor guide 1270 surrounds approximately half of the entire circumference (ie, 360 degrees) of the outer circumferential surface of the needle 1220 (ie, 180 degrees). can be configured.
  • this is exemplary, and in alternative embodiments, for example, the rotor guide 1270 may be configured to surround the needle 1220 between 90 and 270 degrees around the needle 1220 .
  • the lower end of the rotor guide 1270 protrudes lower than the lower end of the nozzle 25 and is exposed to the outside in a state of penetrating through the through hole.
  • the hair transplanter includes a push bar 1530 that pushes one tacking channel 1200 of the tacking channel bundle (B) downward.
  • the push bar 1530 is elastically coupled to the upper cap 30 through an elastic member such as a push spring 1540, and is arranged to press one tacking channel 1200 of the tacking channel bundle B from top to bottom. do.
  • the push bar 1530 and the nozzle 21 are aligned and arranged on the same vertical line, so when the push bar 1530 pushes the tacking channel 1200 downward, the needle 1220 of the pushed tacking channel 1200 ) may protrude through the nozzle 25 by a predetermined length.
  • Figure 12 is a schematic illustration of an exemplary configuration of the nozzle unit 20 according to an embodiment
  • Figure 10 (a) is a view of the nozzle unit 20 viewed from below
  • Figure 12 (b) is a diagram A part of Fig. 12(a) is enlarged, but the state in which the needle 1220 of the tacking channel 1200 and the rotor guide 1270 penetrate the nozzle 25 is enlarged and shown.
  • the nozzle 25 has a through hole 26 through which the needle 1220 passes, and more preferably, the through hole 26 partially surrounds the needle 1220. It has a shape through which the rotor guide 1270 can penetrate.
  • the through-hole 26 includes a small-diameter region 26a having a first radius from the center C of the through-hole 26 and a first radius greater than the first radius from the center C. It can be composed of a large-diameter region 26b having a large second radius.
  • the small diameter region 26a is a region through which the needle 1220 not surrounded by the rotor guide 1270 penetrates
  • the large diameter region 26b is a region through which the rotor guide 1270 surrounding the needle 1220 passes.
  • the nozzle 25 may further include a slot 27 extending from the through hole 26 to the side of the nozzle 25 .
  • the slot 27 may be formed to be aligned in the same direction as the slot hole of the needle 1220 .
  • the inner circumference (inner circumferential surface) of the through-hole 26 of the nozzle 25 is defined by the first inner circumferential surface 261 defining the circumference of the small diameter region 26a and the circumference of the large diameter region. It is composed of a second inner circumferential surface 262 defining and a stepped portion 263 connecting the first inner circumferential surface 261 and the second inner circumferential surface 262 . It will be appreciated that the length of the stepped portion 263 corresponds to the difference between the first radius of the small-diameter region 26a and the second radius of the large-diameter region 26b.
  • the second radius of the large diameter region 26b may be equal to or slightly longer than the distance from the central axis of the needle 1220 to the radial first outer circumferential surface 1271 of the rotor guide 1270. Therefore, as shown in FIG. 12 (b), the rotor guide 1270 penetrates in a state in which the first outer circumferential surface 1271 of the rotor guide 1270 is in close contact with the second inner circumferential surface 262 of the through hole 26. It slides relative to the sphere 26 and moves.
  • the rotor guide 1270 has a second outer peripheral surface 1272 extending in a radial direction (ie, in the illustrated embodiment, the normal vector direction of the surface has a direction perpendicular to the radial direction). With the second outer circumferential surface 1272 at least partially in contact with the stepped portion 263 of the through hole 26 , the rotor guide 1270 can relatively slide and move with respect to the through hole 26 .
  • the needle ( 1220) and the rotor guide 1270 can move forward and backward without shaking left and right with respect to the main body of the hair transplanter.
  • Figure 13 shows a mandrel locking part 1700 according to an embodiment
  • Figure 13 (a) is a side view
  • Figure 13 (b) is a schematic view of the front view.
  • a mandrel hook 1700 is disposed on the radial outer side of the tacking channel pushed downward by the push bar 1530.
  • the mandrel engaging portion 1700 is installed on one side of the case 10 .
  • the mandrel locking part 1700 temporarily stops the movement of the mandrel 1230 in the hour hand channel 1200 while the hour hand channel 1200 rises again after being pushed downward by the push bar 1530. do.
  • the mandrel engaging portion 1700 includes a clasp 1710, a clasp accommodating portion 1720 accommodating the clasp 1710, and an elastic member interposed between the clasp 1710 and the clasp accommodating portion 1720 ( 1730).
  • the clasp accommodating portion 1720 may be bolted and fixed to one side of the case 10 through, for example, bolt grooves of extension regions 1723 on both left and right sides.
  • the position of the clasp 1710 may be adjusted by making the bolt groove of the clasp accommodating part 1720 have a rectangular shape.
  • the position of the clasp determines the length of the mandrel 1230 protruding out of the nozzle 25 during the hair follicle insertion operation, and affects the depth of the hair follicle to be transplanted.
  • the clasp accommodating portion 1720 has a space into which the clasp 1710 can enter, and an elastic member 1730 such as a spring is interposed in this space. Accordingly, the clasp 1710 is disposed within a distance that interferes with the vertical movement of the lever 1231, but is configured to elastically retreat in a radially outward direction of the tacking channel bundle B.
  • the clasp 1710 When force is not applied to the clasp 1710, the clasp 1710 protrudes from the clasp accommodating portion 1720 (in the radially inward direction of the hour hand channel bundle B), so that when the lever 1231 slides up and down It comes into contact with the lever 1231.
  • the upper part of the contact surface of the latch 1710 contacting the lever 1231 is inclined upward, and the lower lever contact surface 1711 is formed substantially horizontally. Therefore, when the lever 1231 descends downward from the top of the latch 1710, the lever 1231 can descend while pushing the latch 1710 toward the latch accommodating portion 1720, but the lever 1231 does not move the latch 1710.
  • the lever 1231 When it rises from the bottom to the top, the upper surface of the lever 1231 comes into contact with the lever contact surface 1711 of the clasp 1710 and is caught, so that the lever 1231 cannot rise any more.
  • protrusions 1217 protruding radially outward from the hour hand channel bundle (B) are formed on the side surface of the slot 1215 of the hour hand channel 1200.
  • This protrusion 1217 is the same as the lever 1231 in the radially outward direction or protrudes outward more than the lever 1231.
  • the left and right widths of the clasp 1710 are set so as to interfere with the vertical movement of the protrusion 1217 as well as the lever 1231, and as shown in the drawing, the clasp 1710 in contact with the protrusion 1217
  • the top of the contact surface of ) is inclined upward, and the contact surface 1713 of the lower protrusion is also inclined downward.
  • the protrusion 1217 pushes the clasp 1710 toward the clasp accommodating portion 1720 so that the hour hand channel 1200 moves. Can rise/fall.
  • the hour hand channel 1200 moves downward.
  • the protrusion 1217 and the lever 1231 come into contact with the inclined surface of the latch 1710, so that the latch 1710 is pushed toward the latch receiving portion 1720 and The lever 1231 may descend.
  • FIG. 15 is a diagram illustrating forward and backward operations of the tacking channel 1200 for hair transplantation according to an embodiment.
  • forward and backward operations of the tacking channel 1200 will be described with reference to FIGS. 14 and 15. I'm going to do it.
  • FIG. 15(a) shows a state before inserting the needle 1220 of the needle channel 1200 for hair transplantation into the hair transplantation location on the scalp.
  • hair follicles for transplantation are accommodated inside the needle 1220, and a part of the needle 1220 and the rotor guide 1270 protrude below the lower end 25a of the nozzle 25.
  • the mandrel 1230 in the needle 1220 protrudes downward by a first distance d1 from the lower end 25a of the nozzle 25, and the lower end 1270a of the rotor guide 1270 extends downward from the lower end 25a of the nozzle 25.
  • the second distance d2 is preferably greater than the first distance d1. Also, the second distance d2 is preferably smaller than the third distance d3 from the lower end of the nozzle 25 to the point where the tapered shape of the front end of the needle 1220 starts.
  • the operator manually or automatically moves the hair transplanter down and inserts the needle 1220 into the scalp using an automatic hair transplant device. Since the needle 1220 is no longer inserted when the lower end 1270a of the rotor guide 1270 touches the scalp, the rotor guide 1270 serves to determine the insertion depth of the needle 1220. Meanwhile, in the state shown in FIG. 15(b), the hair follicle in the needle 1220 may not be completely inserted into the scalp.
  • the needle 1220 and the rotor guide 1270 start to move upward relative to the main body of the hair transplanter.
  • the hour hand channel 1200 rises, but since the lever 1231 is caught on the latch 1710, the lever 1231 and the mandrel 1230 integrally coupled thereto do not rise. and the body 1210 (integrated with the rotor guide 1270) and the needle 1220 of the tacking channel 1200 rise.
  • the operator presses the hair transplanter body toward the scalp in the state shown in FIG. 15(b) the same effect as the relatively lowering of the hair transplanter body with respect to the needle 1220 and the rotor guide 1270 occurs. That is, the state of FIG.
  • the mandrel 1230 protrudes downward more than the lower end 25a by a first distance d1, and the mandrel 1230 moves the hair follicle downward further. By pushing it, the hair follicles can be settled inside the scalp.
  • the body portion 1210 excluding the mandrel 1230, the needle ( 1220), and the remaining components of the tacking channel 1200, such as the rotor guide 1270 continue to rise upward. That is, as shown in FIGS. 15(c) and 15(d), after the lower end 25a of the nozzle touches the scalp, a relative upward movement of the needle 1220 and the rotor guide 1270 occurs with respect to the scalp (FIG. 15((d)). d)), and then, after the needle 1220 rises to a certain height, the mandrel 1230 also rises together.
  • the operator or the automatic hair transplanter may keep the hair transplanter body in close contact with the scalp so that the lower end of the nozzle 25a is in contact with the scalp until the needle 1220 rises and leaves the scalp.
  • the operator or the automatic hair transplanter may keep the hair transplanter body in close contact with the scalp so that the lower end of the nozzle 25a is in contact with the scalp until the mandrel 1230 rises and separates from the scalp.
  • the hair transplanter main body is raised upward, thereby completing a single hair transplant operation.
  • the needle channel bundle (B) rotates at a predetermined angle due to structures such as the ratchet support 1300 and the lifting gear holder 1400. While rotating, the push bar 1530 pushes the needle channel adjacent to the needle channel used for the hair transplant operation, and the needle 1220 passes through the nozzle 25 and protrudes downward as shown in FIG. 15 (a). By doing so, the second hair transplanting operation is prepared.
  • the needle 1220 is inserted into the scalp at a relatively shallow depth, and then the nozzle (25) and the main body of the hair transplanter including the mandrel 1230 perform an additional motion of descending toward the scalp, so that hair follicles can be stably transplanted into the scalp, reducing damage or bleeding to the patient's scalp and the patient's or operator's resistance to hair transplantation. can alleviate

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Pathology (AREA)
  • Dermatology (AREA)
  • Cardiology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Surgical Instruments (AREA)

Abstract

Un mode de réalisation de la présente invention divulgue une repiqueuse de cheveux multicanal ayant de multiples canaux d'aiguille, la repiqueuse de cheveux comprenant : un faisceau de canaux d'aiguille (B) qui comprend de multiples canaux d'aiguille couplés radialement à son côté externe ; un boîtier cylindrique dans lequel le faisceau de canaux d'aiguille (B) est logé ; et un capuchon supérieur qui est couplé de façon détachable à la partie supérieure du boîtier, le capuchon supérieur comprenant : un ressort central dont une première extrémité est supportée par la surface interne du capuchon supérieur ; et un couvercle à ressort qui supporte l'autre extrémité du ressort central et est couplé de façon coulissante à l'intérieur du capuchon supérieur.
PCT/KR2022/010087 2021-12-02 2022-07-12 Repiqueuse de cheveux multicanal avec facilité d'assemblage améliorée WO2023101125A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280079591.9A CN118338857A (zh) 2021-12-02 2022-07-12 一种提高组装便利性的多通道植发器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2021-0171272 2021-12-02
KR1020210171272A KR102670009B1 (ko) 2021-12-02 2021-12-02 로터 가이드를 구비한 시침채널 및 이를 구비한 멀티채널 식모기
KR10-2022-0015034 2022-02-04
KR1020220015034A KR20230118423A (ko) 2022-02-04 2022-02-04 조립 용이성이 향상된 멀티채널 식모기

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WO2023101125A1 true WO2023101125A1 (fr) 2023-06-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100119244A (ko) * 2009-04-30 2010-11-09 한스바이오메드 주식회사 식모기
KR20160142683A (ko) * 2015-06-03 2016-12-13 주식회사 오성전자 자동 식모 장치
KR20180001374A (ko) * 2016-06-27 2018-01-04 주식회사 덴티스 다채널 모발 이식 장치
KR101891643B1 (ko) * 2018-01-22 2018-08-27 오대금속 주식회사 다발형 모발 이식기
KR20190103941A (ko) * 2018-02-28 2019-09-05 한국전자통신연구원 모듈형 자동 모발이식장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100119244A (ko) * 2009-04-30 2010-11-09 한스바이오메드 주식회사 식모기
KR20160142683A (ko) * 2015-06-03 2016-12-13 주식회사 오성전자 자동 식모 장치
KR20180001374A (ko) * 2016-06-27 2018-01-04 주식회사 덴티스 다채널 모발 이식 장치
KR101891643B1 (ko) * 2018-01-22 2018-08-27 오대금속 주식회사 다발형 모발 이식기
KR20190103941A (ko) * 2018-02-28 2019-09-05 한국전자통신연구원 모듈형 자동 모발이식장치

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