WO2020143238A1 - Stylo d'implantation de follicule capillaire - Google Patents

Stylo d'implantation de follicule capillaire Download PDF

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Publication number
WO2020143238A1
WO2020143238A1 PCT/CN2019/104009 CN2019104009W WO2020143238A1 WO 2020143238 A1 WO2020143238 A1 WO 2020143238A1 CN 2019104009 W CN2019104009 W CN 2019104009W WO 2020143238 A1 WO2020143238 A1 WO 2020143238A1
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WIPO (PCT)
Prior art keywords
needle
hair follicle
handle member
hole
handle
Prior art date
Application number
PCT/CN2019/104009
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English (en)
Chinese (zh)
Inventor
刘学新
Original Assignee
刘学新
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 CN201920053657.2U external-priority patent/CN209529204U/zh
Priority claimed from CN201921180022.5U external-priority patent/CN210871931U/zh
Priority claimed from CN201921173599.3U external-priority patent/CN210871930U/zh
Application filed by 刘学新 filed Critical 刘学新
Publication of WO2020143238A1 publication Critical patent/WO2020143238A1/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

Definitions

  • the invention belongs to the field of hair transplantation instruments, and particularly relates to a hair follicle implant pen.
  • Hair follicle implantation is mainly to apply a plastic surgery technique, remove the healthy hair follicle tissue in the occipital region, remove the excess tissue, and transplant it to the hair loss site to play a way to regenerate the hair. Make a micro-wound in the bald area of the subject and implant the hair follicle according to the regular hair distribution. This is one of the keys to the entire hair transplant operation. After the hair follicle is extracted, the original growth site of the hair follicle will no longer have hair follicle growth, which requires Physicians try to increase the survival rate of implanted hair follicles, and have higher requirements on the operation level of physicians.
  • Application No. 201220426203.3 discloses a hair follicle transplanter, which includes a U-shaped groove and is connected to the front end of the U-shaped groove The length of the U-shaped groove is 1-3 cm, and the rear end of the U-shaped groove is connected with a handle.
  • the hair follicle needs to be placed in the U-shaped groove, the needle tip is directly punched at the location of the desired hair transplant, and the hair follicle is pushed by the forceps, and then the hair follicle can directly enter the punched hole from the U-shaped groove.
  • the problems with this type of implant are:
  • the size of the implantation needle is small, and the corresponding slot width is small, and if the slot width is set too large, the rigidity of the implantation needle may be adversely affected;
  • the purpose of the present invention is to provide a hair follicle implant pen with less operation difficulty and higher efficiency.
  • a hair follicle implant pen is characterized by comprising a handle piece; a needle piece, the needle piece is fixed on the handle piece, and the needle piece sets a channel through which the two ends communicate; a needle core, the needle core is slidingly installed on the handle piece; a push rod, a push rod The rod is slidingly installed on the handle member, and the push rod and the needle core are relatively fixedly connected, so that the push rod and the needle core move relative to the handle member at the same time; wherein, when the needle core slides in the direction of the needle tip to the end of the stroke, the needle The core is inserted into the channel, and the lower end of the needle core is located at or out of the lower end of the channel.
  • the hair follicle is directly loaded into the needle member through the cavity from top to bottom, the operation is convenient and fast, and the damage of the hair follicle caused by the existing equipment is avoided;
  • the hair follicle is held up by the needle core and stays in the haircut incision.
  • the hair follicle can obtain good implant depth control, improve the survival rate of the implant, and reduce the difficulty of operation.
  • the invention can also be improved as follows.
  • the handle member is provided with a cavity for placing the hair follicle.
  • the cavity is connected to the external space through a side opening on the side of the cavity, and the cavity is located between the needle core and the channel.
  • Such improvement by providing a cavity, facilitates the insertion of forceps and the addition of hair follicles between the needle core and the needle member.
  • the present invention can also be improved as follows.
  • the handle member is provided with a through hole, the upper end of the needle member is inserted into the through hole, and the upper end of the through hole presents a tapered cavity with a large size and a small size.
  • the invention can also be improved as follows.
  • the handle member is equipped with a rebound member for rebounding the core.
  • the present invention can also be improved as follows.
  • the number of the needle cores is at least two, and the push rod is located in the middle of the axes of the two needle cores or in front of or behind the plane where the two needle cores are located.
  • the push rod can avoid the incision made by the needle piece on the skin, so the push rod will not be inserted into the incision; the push rod is located in front of or behind the plane where the two needle cores are located, the position of the push rod is offset from the needle core, the handle
  • the lateral width of the piece is more compact, and the left and right sides of the handle piece can be designed to be open according to requirements, thereby providing more free operation space for the operation of adding hair follicles.
  • the invention can also be improved as follows.
  • the cross section of the push rod located in the middle of the axes of the two needle cores is rectangular.
  • the invention can also be improved as follows: there are several through holes for putting hair follicles relative to the handle member, and when the axis of any through hole moves to be in line with the axis of the channel, the needle core can pass through The through hole is inserted into the channel.
  • the invention can also be improved as follows.
  • a rotating wheel is rotatably mounted on the handle member, the rotating wheel is located above the needle member, and a through hole is opened on the rotating wheel.
  • Put a hair follicle in each through hole manually or automatically align the through hole with the channel, use the needle to insert into the skin to form an incision, and then the needle core can push the hair follicle in the through hole into the channel in turn, and then into the incision ,
  • the invention can also be improved as follows.
  • a flexible base band is sleeved on the handle member, a plurality of insertion cylinders are fixed on the flexible base band, and the through holes are opened on the insertion cylinder.
  • the present invention can also be improved as follows.
  • the upper end of the channel communicates with the through hole, the diameter of the upper port of the through hole is larger than the diameter of the lower end of the through hole, and the diameter of the through hole gradually decreases from the upper end of the through hole.
  • the invention can also be improved as follows: the through hole is opened on the handle member, the upper edge of the through hole is chamfered (thereby forming a trumpet structure), the handle member is provided with a V-shaped groove, and two inclined surfaces of the V-shaped groove They are located on both sides of the corresponding via hole, so improved, when the wrong operation causes the lower end of the hair follicle to expose the runner, the exposed portion of the hair follicle can move in the v-shaped groove.
  • the present invention can also be improved as follows: a cavity is formed on the handle member, the rotating wheel is located between the upper and lower ends of the cavity, and a rotating shaft penetrating the upper and lower ends of the cavity rotates the rotating wheel on the handle member.
  • the present invention can also be improved as follows.
  • a circumferential indexing positioning mechanism for sequentially aligning the through holes with the channel is installed on the handle member.
  • the circumferential indexing positioning is used to automatically control each through hole to sequentially align with the channel, thereby avoiding manual positioning and improving operation efficiency.
  • the circumferential indexing positioning mechanism includes a pit fixedly arranged relative to the channel and a convex block movably arranged relative to the channel, and an elastic force acting on the convex block against the pit is applied to the convex block, and the elastic force is generated by the elastic deformation of the component acting on the convex block
  • the distribution of bumps and pits is compatible with the distribution of through holes. During one rotation of the rotating wheel, the through holes are sequentially aligned with the channels.
  • the elastic deformation may be a conventional elastic force generation method such as a spring deformation or a squeeze deformation of the material itself.
  • the invention can also be improved as follows.
  • the handle part includes a handle part 1 and a handle part 2, a push rod and a needle core are slidingly arranged on the handle part 2, the needle part is fixed on the handle part 1, and the handle part 1 and the handle part 2 are detachable Connection.
  • FIG. 1 is a three-dimensional structure diagram of a hair follicle implant pen according to an embodiment of the present invention.
  • FIG. 2 is a schematic plan view of a hair follicle implant pen according to an embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional structure diagram of a hair follicle implant pen according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a partially enlarged structure at A in FIG. 3 according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic diagram of the operation principle of a hair follicle implant pen according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a partially enlarged structure at position B in FIG. 5 according to Embodiment 1 of the present invention.
  • FIG. 7 is a schematic diagram of a partially enlarged structure at position C in FIG. 5 according to Embodiment 1 of the present invention.
  • FIG. 8 is a partial enlarged structural diagram of D in FIG. 5 according to Embodiment 1 of the present invention.
  • FIG. 9 is a schematic structural diagram of a multi-needle hair follicle implant pen according to Embodiment 2 of the present invention.
  • FIG. 10 is a schematic diagram of the use process of the multi-needle hair follicle implant pen according to Embodiment 2 of the present invention.
  • FIG. 11 is a schematic diagram of an enlarged structure at A in FIG. 10 of Embodiment 2 of the present invention.
  • FIG. 12 is an enlarged schematic view of the position B in FIG. 10 of Embodiment 2 of the present invention.
  • FIG. 13 is an enlarged schematic view of the position C in FIG. 10 of Embodiment 2 of the present invention.
  • FIG. 14 is a schematic structural view of a multi-needle hair follicle implant pen with an additional compression spring according to the second embodiment of the invention.
  • FIG. 15 is a three-dimensional structure diagram of a multi-needle hair follicle implant pen according to Embodiment 3 of the present invention.
  • FIG. 16 is a schematic cross-sectional structural view of a multi-needle hair follicle implant pen according to Embodiment 3 of the present invention.
  • FIG. 17 is a schematic view of the bottom structure of a multi-needle hair follicle implant pen according to Embodiment 3 of the present invention.
  • FIG. 18 is a three-dimensional structure diagram of a hair follicle implant pen according to an embodiment of the present invention.
  • FIG. 19 is a schematic diagram of a process of using a hair follicle implant pen according to an embodiment of the present invention.
  • FIG. 20 is a schematic diagram of an enlarged structure at A in FIG. 19 of Embodiment 4 of the present invention.
  • FIG. 21 is an enlarged schematic diagram of the structure B in FIG. 19 of the fourth embodiment of the present invention.
  • FIG. 22 is an enlarged schematic view of the position C in FIG. 19 of the fourth embodiment of the present invention.
  • FIG. 23 is a three-dimensional structural diagram of a pen with five hair follicles according to an embodiment of the present invention.
  • FIG. 24 is a schematic plan view of a five-follicle implant pen according to an embodiment of the present invention.
  • FIG. 25 is a cross-sectional view taken along the line D-D in FIG. 7 of Embodiment 5 of the present invention.
  • 26 is a schematic diagram of a front cross-sectional structure of a fifth via hole according to an embodiment of the present invention.
  • FIG. 27 is a schematic diagram of a top cross-sectional structure of a via hole according to an embodiment of the present invention.
  • FIG. 28 is a schematic diagram of the structure 1 of the sixth circumferential indexing positioning mechanism according to the embodiment of the invention.
  • FIG. 29 is a schematic diagram of the second structure of the sixth circumferential indexing positioning mechanism according to Embodiment 6 of the present invention.
  • FIG. 30 is a schematic cross-sectional view of the structure 3 of the circumferential indexing positioning mechanism according to Embodiment 6 of the present invention.
  • FIG. 31 is a schematic diagram of a structure 4 of a circumferential indexing positioning mechanism according to Embodiment 6 of the present invention.
  • FIG 32 is an exploded schematic view of the structure 4 of the circumferential indexing positioning mechanism according to the sixth embodiment of the present invention.
  • FIG. 33 is a schematic diagram of the fifth structure of the circumferential indexing positioning mechanism according to the sixth embodiment of the present invention.
  • FIG. 34 is an exploded schematic view of the fifth structure of the circumferential indexing positioning mechanism according to the sixth embodiment of the present invention.
  • FIG. 35 is a schematic structural view of a hair follicle implant pen according to Embodiment 7 of the present invention.
  • FIG. 36 is a schematic diagram of the bottom structure of the hair follicle implant pen of Example 7 of the present invention.
  • FIG. 37 is a schematic structural view of a hair follicle implant pen according to Embodiment 7 of the present invention.
  • FIG. 38 is a schematic structural diagram of a hair follicle implant pen according to Embodiment 8 of the present invention.
  • FIG. 39 is the first connection mode of the handle part 1 and the handle part 2 of Embodiment 9 of the present invention.
  • FIG. 40 is the second connection mode of the handle part 1 and the handle part 2 of Embodiment 9 of the present invention.
  • FIG. 40 is a schematic structural diagram of a hair follicle implant pen according to Embodiment 10 of the present invention.
  • FIG. 42 is a schematic structural view of a bump according to Embodiment 10 of the present invention.
  • FIG. 43 is a schematic diagram of a flexible baseband structure according to Embodiment 10 of the present invention.
  • the hair follicle implant pen of this embodiment includes a handle member 1, a needle core 32, a needle member 2, a push block 34, a push rod 31, and a rebound compression spring 35.
  • the handle member 1 is provided with a through hole 19, a cavity 14 and a through hole 11 from top to bottom.
  • the through hole 19, the cavity 14 and the through hole 11 are communicated in sequence.
  • Both sides of the handle member 1 are provided with side openings 141. Both sides of the cavity 14 communicate with the outside.
  • the two sides of the handle member 1 are respectively provided with guide grooves 1010, and the push block 34 is fixed to the upper ends of the two push rods 31.
  • the two push rods 31 are slidingly mounted on the two guide grooves 1010, and the two guide grooves 1010 are respectively located on the needles
  • the rebound compression spring 35 is sleeved on the push rod 31, and the two ends of the rebound compression spring 35 are respectively pressed against the push block 34 and the handle member 1, so that the push block 34 is manually depressed
  • the needle core 32 will return to the upward direction with the push block 34 under the action of the rebound compression spring 35.
  • the lower end of the needle member 2 is a needle point structure, and the needle member 2 is provided with a channel for communication between the two ends.
  • the upper end of the needle member 2 is inserted into the through hole 11, and the upper end of the through hole 11 presents a tapered cavity of large size and small size. 1011.
  • a guide cylinder 33 is fixed in the handle member 1, the guide cylinder 33 is inserted and fixed in the through hole 19, and the needle core 32 shown is inserted in the guide cylinder 33.
  • the needle core 32 is a needle core hole 321 with a lower opening. The lower edge of the needle core hole 321 is chamfered.
  • the hairline on the hair follicle enters the needle core hole 321 to prevent the hairline on the hair follicle from being squeezed into the needle core 32
  • Pushing fails in the gap between the guide tube 33, thereby greatly improving the smoothness and success rate of the hair follicle pushing.
  • the pin core 32 can directly chamfer the lower end with a hollow thin steel pipe.
  • the operation process of the hair follicle implant pen of the present invention can adopt the following operation steps:
  • Step S1 the assistant first operates as follows: one holds the handle 1 of the hair follicle implant pen, the other hand holds the hair follicle 8 with the tip of the forceps, and extends into the cavity 14 through the side opening 141, and then the hair follicle 8 Put it into the needle channel through the tapered cavity 1011, and then hand the hair follicle 8 implant pen to the operating doctor;
  • Step S2.1 the doctor is operated to hold the handle 1 (for example, using the thumb, middle finger, and ring finger to hold the handle 1) and insert the portion of the needle part of the hair follicle implant pen exposed outside the through hole into the skin (I in Figure 5 Shown);
  • Step S2.2 keeping the handle member 1 still, use your fingers to move the push block 34 (for example, use the index finger to move the push block 34 down), so that the needle core 32, the push rod 31 and the needle core 32 are opposite to the handle member 1 Moving linearly, the hair follicle is pushed by the needle core 32 until the upper end of the hair follicle is located in the horizontal position area of the skin surface, and at the same time, the end of the push rod 31 abuts the skin surface. (Shown at II in Figure 5);
  • Step S2.3 because the end of the push rod 31 is against the scalp, the push rod 31 realizes the positioning of the needle core 32, the needle core 32 cannot continue to move relative to the scalp, and the push block 34 is held down , And control the handle member 1 to move upward, at this time the needle member 2 moves upward relative to the needle core 32, because the hair follicle 8 is resisted by the end of the needle core 32, the hair follicle remains in the skin, and the hair follicle will not be taken out by the needle member 2 (Shown at III in Figure 5);
  • step S2.4 the hair follicle implant pen is evacuated as a whole, and the push block 34 is released. Under the action of the rebound compression spring 35, the push block 34, the push rod 31 and the needle core 32 are reset relative to the handle member 1 to complete a hair transplanting operation.
  • two or more needle members 2 can be fixed on the handle member of the hair follicle implant pen in this embodiment, and each needle member 2 corresponds to one needle core 32. As a result, the operating doctor can push more than two hair follicles by pushing the push block 34 once.
  • the multi-needle hair follicle implant pen of this embodiment includes a handle member 1 and a needle member 2, a push rod 31 and a needle core 32 are slidably disposed on the handle member 1, the push rod 31 and the needle core 32 are relatively fixed to
  • the needle member 2 defines a channel 21 connecting the two ends.
  • the needle member 2 is fixed on the handle member 1.
  • the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly.
  • the handle member 1 is provided for The conduction hole 11 of the hair follicle 8 is inserted, and the upper end of the conduction hole 11 is opened to the outside.
  • the axis of the through hole 11 and the axis of the channel 21 are collinear, the needle core 32 can be inserted into the channel 21 after passing through the above-mentioned through hole 11, when the needle core 32 slides in the direction of the needle tip relative to the handle member 1 to the needle core
  • the lower end of the push rod 31 protrudes from the lower end of the handle member 1
  • two needle cores 32 are slidably disposed on the handle member 1
  • two needle members 2 are fixedly mounted on the handle member 1
  • the push rod 31 is located
  • the push rod 31 located in the middle of the axes of the two needle cores 32 has a rectangular cross section.
  • the diameter of the via hole gradually decreases from the upper end to the bottom.
  • Step S1 the assistant first operates as follows: one hand holds the handle member 1 of the multi-needle hair follicle implant pen, the other hand grips the hair follicle 8 with the tip of the tweezers, and fills the hair follicle 8 into the through hole 11, and then Pass the multi-needle hair follicle implant pen to the operating doctor;
  • Step S2.1 the doctor is operated to hold the handle member 1 (for example, the handle member 1 is held by the thumb, middle finger, and ring finger) to insert the needle member 2 of the multi-needle hair follicle implant pen into the skin (shown at I in FIG. 10);
  • the handle member 1 for example, the handle member 1 is held by the thumb, middle finger, and ring finger
  • step S2.2 the push block 34 is moved with a finger (for example, the push block 34 is moved downward with the index finger), so that the needle core 32, the push rod 31 and the needle core 32 move linearly relative to the handle member 1, and the hair follicle 8 is moved by the needle core 32 Push until the upper end of the hair follicle 8 is in the horizontal position area of the skin surface, while the end of the push rod 31 abuts the skin surface.
  • a finger for example, the push block 34 is moved downward with the index finger
  • Step S2.3 because the end of the push rod 31 is against the scalp at this time, the push rod 31 realizes the positioning of the needle core 32, and the needle core 32 cannot continue to move relative to the scalp.
  • the lower end of the push rod 31 is used as a support point, Keep the position of the pushing block 34 fixed, and control the handle member 1 to move upward, at this time the needle member 2 moves upward relative to the needle core 32, because the hair follicle 8 is resisted by the end of the needle core 32, the hair follicle 8 remains in the skin , The hair follicle 8 will not be taken out by the needle member 2 (shown at III in FIG. 10);
  • step S2.4 the multi-needle hair follicle implant pen is evacuated as a whole, and the push block 34, the push rod 31 and the needle core 32 are reset relative to the handle 1 to complete a hair transplanting operation.
  • a rebound compression spring 35 can be sleeved on the needle core 32.
  • the rebound compression spring 35 is located between the handle member 1 and the push block 34. After the handle member 1 and the push block 34 approach each other, the rebound compression spring 35 It is convenient for the push block 34 to be reset under the elastic force of the rebound compression spring 35.
  • a multi-needle hair follicle implant pen in this embodiment includes a handle member 1 and a needle member 2.
  • a push rod 31 and a needle core 32 are slidably disposed on the handle member 1, and the push rod 31 and the needle core 32 are opposite to each other.
  • Fixed on the push block 34, the needle member 2 defines a channel 21 connecting the two ends, the needle member 2 is fixed on the handle member 1, the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly, and the handle member 1 is provided on
  • the through hole 11 for inserting the hair follicle 8 has an upper end opened to the outside.
  • the axis of the through hole 11 and the axis of the channel 21 are collinear, and the needle core 32 can be inserted into the channel 21 after passing through the through hole 11, when the needle core 32 slides in the direction of the needle tip relative to the handle member 1 to the needle core
  • the lower end of the push rod 31 protrudes from the lower end of the handle member 1
  • two needle cores 32 are slidably disposed on the handle member 1
  • two needle members 2 are fixedly mounted on the handle member 1
  • the push rod 31 is located It is located in front of or behind the plane where the two cores 32 are located.
  • the hair follicle implant pen of this embodiment includes a handle member 1 and a needle member 2, and two push rods 31 and two needle cores 32 are slidably disposed on the handle member 1, the needle core 32 and the push rods The upper ends of 31 are fixed on the push block 34. Both the push rod 31 and the needle core 32 are inserted and slide on the handle member 1.
  • the needle member 2 defines a channel 21 connecting the two ends, and the needle member 2 is fixed on the handle member 1.
  • a rotating wheel 4 is rotatably mounted on the handle member 1, and the rotating wheel 4 is located above the needle member 2.
  • the rotating wheel 4 is provided with a plurality of through holes 41 for inserting hair follicles 8.
  • the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly, and the distance between the axis of the channel 21 and the axis of any through hole 41 and the rotation axis of the runner 4 are equal.
  • the two needle cores 32 can pass through the corresponding through holes 41 and be inserted into the corresponding channels 21.
  • the lower end of the needle core 32 is located at or passes through the lower end of the needle member 2, and the lower end of the push rod 31 protrudes from the lower end of the handle member 1.
  • the upper end of the through hole 41 of the rotating wheel 4 on the handle member 1 is open to the outside.
  • the upper end of the through hole 41 has a flared section 42 that gradually decreases from top to bottom.
  • the flared section 42 it is convenient to add the hair follicle 8 into the through hole 41 from the upper end of the through hole 41.
  • the guide tube 33 can also be fixed in the handle member 1, and the needle core 32 shown is inserted into the guide tube 33.
  • the lower end of the needle core 32 is provided with a needle core hole 321 having a lower opening, and the lower edge of the needle core hole 321 is chamfered.
  • the guide tube 33 is provided to improve the precision of the linear movement of the needle core 32 and reduce the frictional force of the movement of the needle core 32, thereby improving the smoothness.
  • the handle member 1 may also be provided with a rebound member for rebounding the core 32.
  • the rebound member may be a rebound compression spring sleeved on the push rod 31, and two ends of the rebound compression spring respectively abut the push block 34 and the handle member 1.
  • the operation process of the hair follicle implant pen of the present invention can adopt the following operation steps:
  • Step S1 the assistant first operates as follows: one holds the handle 1 of the hair follicle implant pen, the other hand holds the hair follicle 8 with the tip of the tweezers, and puts the hair follicle 8 into each through hole 41 of the runner 4 , And then handed the hair follicle implant pen to the operating doctor;
  • Step S2.1 the doctor is operated to hold the handle member 1 (for example, the handle member 1 is held with the thumb, middle finger, and ring finger) to insert the portion of the needle member 2 of the hair follicle implant pen that is exposed outside the mounting hole 43 into the skin 7 (FIG. 19 (As shown at I);
  • Step S2.2 keeping the handle member 1 stationary, manually turning the rotating wheel 4 so that the through hole 41 is aligned with the channel 21,
  • Step S2.3 use the finger to push the push block 34 (for example, use the index finger to push the push block 34 down), so that the needle core 32, the push rod 31 and the needle core 32 move linearly relative to the handle member 1, and the hair follicle 8 is The needle core 32 is pushed until the upper end of the hair follicle 8 is located in the horizontal position area of the surface of the skin 7 while the end of the push rod 31 abuts the surface of the skin 7. (Shown at II in Figure 19);
  • Step S2.4 because the end of the push rod 31 is against the scalp, the push rod 31 realizes the positioning of the needle core 32, and the needle core 32 cannot continue to move relative to the scalp.
  • the lower end of the push rod 31 is used as The supporting point keeps the position of the pushing block 34 fixed, and controls the handle member 1 to move upward, and the needle member 2 moves upward relative to the needle core 32 at this time, because the hair follicle 8 is resisted by the end of the needle core 32, the hair follicle 8 remains In the skin 7, the hair follicle 8 will not be taken out by the needle member 2 (shown at III in FIG. 19);
  • step S2.5 the hair follicle implant pen is evacuated as a whole, and the push block 34, the push rod 31 and the needle core 32 are reset relative to the handle member 1 to complete a hair transplant operation.
  • Step S2.6 repeating steps S2.1 to S2.6 until the hair follicles 8 in the through holes 41 of the runner 4 are all implanted.
  • the hair follicle implant pen of this embodiment includes a handle member 1 and a needle member 2, and two push rods 31 and two needle cores 32 are slidably disposed on the handle member 1, the needle core 32 and the push rod The upper ends of 31 are fixed on the push block 34. Both the push rod 31 and the needle core 32 are inserted and slide on the handle member 1.
  • the needle member 2 defines a channel 21 connecting the two ends, and the needle member 2 is fixed on the handle member 1.
  • a rotating wheel 4 is rotatably mounted on the handle member 1, and the rotating wheel 4 is located above the needle member 2.
  • the rotating wheel 4 is provided with a plurality of through holes 41 for inserting hair follicles 8.
  • the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly, and the distance between the axis of the channel 21 and the axis of any through hole 41 and the rotation axis of the runner 4 are equal.
  • the two needle cores 32 can pass through the corresponding through holes 41 and be inserted into the corresponding channels 21.
  • the needle core 32 slides in the direction of the needle tip relative to the handle member 1 to the stroke end of the needle core 32, the lower end of the needle core 32 is located at or passes through the lower end of the needle member 2, and the lower end of the push rod 31 protrudes from the lower end of the handle member 1.
  • the upper end of the through hole 41 of the rotating wheel 4 on the handle member 1 is open to the outside.
  • the through hole 11 is opened on the handle member 1, the upper edge of the through hole 11 is chamfered 111, the handle member is provided with a V-shaped groove 112, and the two inclined surfaces 1121 of the V-shaped groove 112 are respectively located Both sides of the via.
  • the handle member is provided with a cavity 14.
  • the rotating wheel 4 is located between the upper and lower ends of the cavity 14.
  • a rotating shaft 45 penetrating the upper and lower ends of the cavity 14 rotates the rotating wheel 4 on the handle member 1.
  • the upper end of a part of the through hole 41 of the runner 4 mounted on the handle member 1 is open to the outside and is not blocked by the upper end of the window 15.
  • the two push rods 31 are located on the side of the plane where the axes 32 of the two needle cores 32 are located, that is, the positions of the two push rods 31 are deviated from the plane where the axes 32 of the two needle cores are located.
  • the structure and principle of the hair follicle implant pen in this embodiment are basically the same as those in Embodiment 1, except that the handle member 1 is provided with a circumferential indexing and positioning mechanism for sequentially aligning the through holes 41 with the channel 21.
  • the circumferential indexing positioning is used to automatically control each through hole 41 to sequentially align with the channel 21, thereby avoiding manual positioning and improving operation efficiency.
  • the circumferential indexing positioning mechanism includes a recess 44 fixedly arranged relative to the runner 4 and a convex block 51 movably arranged relative to the rotary wheel 4, an elastic force acting on the convex block 51 to press the convex block 51 against the recess 44 acts on the convex block 51. Due to the elastic deformation of the components of the bump 51, the distribution of the bump 51 and the pit 44 is adapted to the distribution of the through hole 41, so that during the rotation of the runner 4, the through hole 41 sequentially aligns with the channel 21.
  • the elastic deformation may be a conventional elastic force generation method such as a spring deformation or a squeeze deformation of the material itself.
  • the circumferential indexing positioning mechanism can adopt the following structures.
  • Structure 1 of the circumferential indexing positioning mechanism As shown in FIG. 28, the side wall of the runner 4 is provided with recesses 44 distributed in a ring shape.
  • the handle is fixed with a fixed cylinder, and the protrusion is slidingly installed and fixed in the fixed cylinder.
  • a bump spring for pressing the bump outward is also provided.
  • the bump 51 is pressed into the recess 44 and during the rotation of the runner 4, the bump 51 is separated from the recess 44 until the bump at the next position 51.
  • the pit 44 cooperates.
  • Structure 2 of the circumferential indexing positioning mechanism As shown in FIG. 29, the side walls of the runner 4 are provided with circularly distributed recesses 44, the protrusions 51 are fixed on the handle member 1, and the protrusions 51 are pressed into the recesses 44 And, during the rotation of the runner 4, the portion 12 of the handle member 1 connected to the protrusion deforms, the protrusion 51 is disengaged from the recess 44 until the protrusion 51 and the recess 44 of the next position cooperate.
  • the bump 51 is fixed to the lower end surface of the pressing plate 57.
  • a plug post 52 is fixed at the center of the lower end of the pressing plate, and a mounting hole 43 is fixed at the center of the runner 4.
  • the post 52 passes through the mounting hole 43 and is fixed on the runner 4.
  • the protrusion 51 is pressed into the recess 44 by the pressure plate, and during the rotation of the runner 4, the pressure plate is deformed, and the protrusion 51 is disengaged from the recess 44 until the protrusion 51 and the recess 44 of the next position cooperate.
  • Structure 4 of the circumferential indexing positioning mechanism As shown in FIGS. 31 and 32, the protrusion 51 is fixed to the lower end surface of the pressing plate 57.
  • a plug post 52 is fixed in the middle of the fixed plate 54.
  • the plug post 52 is sleeved with
  • the plug post 52 is sleeved with a compression spring 53 for pressing the pressure plate downward, and a mounting hole 43 is fixed in the center of the runner 4.
  • the plug post 52 passes through the mounting hole 43 and is fixed to the runner 4 on.
  • the protrusion 51 is pressed by the pressure plate into the recess 44, and during the rotation of the runner 4, the compression spring 53 is pressed, the pressure plate moves upward, and the protrusion 51 is separated from the recess 44 until The bump 51 and the recess 44 at the next position are engaged.
  • the structure of the circumferential indexing positioning mechanism is five. As shown in FIGS. 33 and 34, the protrusion 51 is fixed to the lower end surface of the pressing plate 57. A plug post 52 is fixed at the center of the lower end of the pressing plate 57, and a sliding rod 55 is fixed at the center of the upper end of the pressing plate. The sliding rod 55 is slidably mounted on the handle member 1.
  • the handle member 1 is provided with a compression spring 53 that presses down the pressure plate.
  • the upper end of the sliding rod 55 is fixed with a paddle 56 that slides the sliding rod 55 upward, and the center of the runner 4 A mounting hole 43 is fixed, a positioning hole is opened on the handle member 1, the plug post 52 passes through the mounting hole 43 and is pushed into the positioning hole under the action of the compression spring 53.
  • the rotating installation of the rotating wheel 4 and the indexing positioning function of the circumferential indexing positioning mechanism are realized, and the sliding lever 55 can be moved upward by using the pick 56. After the sliding lever 55 is separated from the mounting hole 43, the rotating wheel 4 can be taken out.
  • the structure and principle of the hair follicle implant pen of this embodiment are basically the same as those of the second embodiment.
  • the main difference is that in the diagram of the first embodiment, the runner 4 is located in the cavity 14 in the middle of the handle member.
  • the wheel 4 of the hair follicle implant pen of the embodiment is located on one side of the handle member 1.
  • the structure of the circumferential indexing positioning mechanism adopts the structure 3 of the circumferential indexing positioning mechanism in the third embodiment.
  • the structure of the circumferential indexing positioning mechanism is the same as that of the circumferential indexing positioning mechanism 4 in the third embodiment.
  • a protective sleeve 13 may be provided at the lower end of the handle member 1.
  • the protective sleeve 13 is slidably mounted on the needle member 2 to cover.
  • the protective sleeve 13 may slide up and down. When the protective sleeve 13 slides to the lower end of its stroke, the needle member 2 may be covered. When the protective sleeve slides to the upper end of its stroke, the needle member 2 is exposed.
  • the hair follicle implant pen in this embodiment includes a handle member 1 and a needle member 2.
  • a push rod 31 and a needle core 32 are slidably disposed on the handle member 1.
  • the push rod 31 and the needle core 32 are relatively fixedly connected.
  • the upper ends of the needle core 32 and the push rod 31 are fixed on the push block 34.
  • Both the push rod 31 and the needle core 32 are inserted and slide on the handle member 1.
  • the needle member 2 defines a channel 21 connecting the two ends, and the needle member 2 is fixed on the handle member 1.
  • a rotating wheel 4 is rotatably mounted on the handle member 1, and the rotating wheel 4 is located above the needle member 2.
  • the rotating wheel 4 is provided with a plurality of through holes 41 for inserting hair follicles 8.
  • the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly, and the distance between the axis of the channel 21 and the axis of any through hole 41 and the rotation axis of the runner 4 are equal.
  • the needle core 32 can be inserted into the channel 21 after passing through the through hole 41, when the needle core 32 slides in the direction of the needle tip relative to the handle member 1 to At the end of the stroke of the needle core 32, the lower end of the needle core 32 is located at or beyond the lower end of the needle member 2, and the lower end of the push rod 31 protrudes from the lower end of the handle member 1.
  • the handle member 1 is also provided with a resilient member for rebounding the core 32.
  • the rebound member may be a rebound compression spring 35 sleeved on the push rod 31, and two ends of the rebound compression spring 35 respectively abut the push block 34 and the handle member 1.
  • the hair follicle implant pen of this embodiment includes a handle member 1 and a needle member 2.
  • Two push rods 31 and two needle cores 32 are slidably disposed on the handle member 1, and the upper ends of the needle core 32 and the push rod 31 are fixed on the pusher Block 34. Both the push rod 31 and the needle core 32 are inserted and slide on the handle member 1.
  • the needle member 2 defines a channel 21 connecting the two ends, and the needle member 2 is fixed on the handle member 1.
  • a rotating wheel 4 is rotatably mounted on the handle member 1, and the rotating wheel 4 is located above the needle member 2.
  • the rotating wheel 4 is provided with a plurality of through holes 41 for inserting hair follicles 8.
  • the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly, and the distance between the axis of the channel 21 and the axis of any through hole 41 and the rotation axis of the runner 4 are equal.
  • the two needle cores 32 can pass through the corresponding through holes 41 and be inserted into the corresponding channels 21.
  • the needle core 32 slides in the direction of the needle tip relative to the handle member 1 to the stroke end of the needle core 32, the lower end of the needle core 32 is located at or passes through the lower end of the needle member 2, and the lower end of the push rod 31 protrudes from the lower end of the handle member 1.
  • the upper end of the through hole 41 of the rotating wheel 4 on the handle member 1 is open to the outside.
  • the handle member includes a handle member 15 and a handle member 16; a push rod 31 and a needle core 32 are slidably disposed on the handle member 16; the needle member 2 is fixed on the handle member 15; the handle member 15 and The handle part two 16 is detachably connected.
  • connection method of handle part 15 and handle part 16 can be the plug-in connection shown in FIG. 39 or the hinge connection shown in FIG. 40.
  • the side of handle part 1 passes through the hinge axis 17 is hinged to the handle part two 16 and the other side of the handle part 15 one and the other side of the handle part two 16 are detachably fixed, for example, as shown in the figure by screwing the screw 181 into the threaded hole 182.
  • the hair follicle implant pen includes a handle member 1 and a needle member 2, a push rod 31 and a needle core 32 are slidingly arranged on the handle member, the push rod 31 and the needle core 32 are relatively fixedly connected, and the needle member 2 A channel 21 with two ends connected is provided, the needle member 2 is fixed on the handle member, the axis of the needle core 32 and the axis of the channel 21 are arranged collinearly, and a plurality of through holes for putting into the hair follicle are movably arranged relative to the handle member 41.
  • the through holes 41 are arranged in a loop, and a flexible base band 91 is sleeved on the handle member.
  • a plurality of insertion cylinders 92 are fixed on the flexible base band 91.
  • the through holes 41 are opened on the insertion cylinder 92.
  • the needle core 32 can pass through the through hole 41 and be inserted into the channel 21, when the needle core 32 slides in the direction of the needle tip relative to the handle member At the end of the stroke of the needle core 32, the lower end of the push rod 31 protrudes from the lower end of the handle member.
  • the flexible base band 91 may adopt a flexible ring shape in the shape of a whole ring, and the insertion cylinder 92 is fixed to the flexible band shape in a plug-in manner.
  • a circumferential indexing and positioning mechanism for sequentially aligning the through holes 41 with the channel 21 is installed on the handle member.
  • the circumferential indexing positioning mechanism includes a recess 44 fixedly disposed relative to the through hole 41 and a convex block 51 movably disposed relative to the through hole 41.
  • An elastic force acting on the convex block 51 to press the convex block 51 against the recess 44 acts on the convex block 51.
  • the elastic deformation of the components of the bump 51 occurs, and the distribution of the bump 51 and the recess 44 is adapted to the distribution of the through hole 41.
  • the convex block 51 is m-shaped, and the convex block 51 is fixed on the handle member, and the recess 44 is formed between the adjacent insertion cylinders 92.
  • the flexible base tape 91 may also use a flexible tape to weave the insertion sleeve 92 so that the flexible base tape 91 and the insertion sleeve 92 are fixed.

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

Abstract

La présente invention concerne un stylo d'implantation de follicule capillaire, comprenant un élément formant poignée (1) ; un élément formant aiguille (2), l'élément formant aiguille (2) étant fixé sur l'élément formant poignée (1) et l'élément formant aiguille (2) étant pourvu d'un canal dont deux extrémités communiquent ; une partie centrale d'aiguille (32), la partie centrale d'aiguille (32) étant installée coulissante sur l'élément formant poignée (1) ; une tige de poussée (31), la tige de poussée (31) étant installée coulissante sur l'élément formant poignée (1), et la tige de poussée (31) et la partie centrale d'aiguille (32) étant reliés à demeure en vis-à-vis de sorte que la tige de poussée (31) et la partie centrale d'aiguille (32) se déplacent en même temps par rapport à l'élément formant poignée (1) ; lorsque la partie centrale d'aiguille (32) coulisse vers une pointe d'aiguille et atteint l'extrémité du trajet, la partie centrale d'aiguille (32) est inséré dans le canal, et une extrémité inférieure de la partie centrale d'aiguille (32) est située au niveau d'une extrémité inférieure du canal ou s'étend depuis cette dernière. Le stylo d'implantation décrit charge directement un follicule capillaire dans la pièce d'aiguille (2) de haut en bas à l'aide d'une cavité ; son maniement est pratique et rapide, et les dégâts causés par l'égratignure d'un follicule capillaire sont évités, ce qui permet d'accroître le taux de survie de l'implantation, et de réduire la difficulté du maniement.
PCT/CN2019/104009 2019-01-11 2019-09-02 Stylo d'implantation de follicule capillaire WO2020143238A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201920053657.2 2019-01-11
CN201920053657.2U CN209529204U (zh) 2019-01-11 2019-01-11 毛囊种植笔
CN201921173599.3 2019-07-24
CN201921180022.5U CN210871931U (zh) 2019-07-24 2019-07-24 多针毛囊种植笔
CN201921180022.5 2019-07-24
CN201921173599.3U CN210871930U (zh) 2019-07-24 2019-07-24 毛囊种植笔

Publications (1)

Publication Number Publication Date
WO2020143238A1 true WO2020143238A1 (fr) 2020-07-16

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ID=71521933

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Application Number Title Priority Date Filing Date
PCT/CN2019/104009 WO2020143238A1 (fr) 2019-01-11 2019-09-02 Stylo d'implantation de follicule capillaire

Country Status (1)

Country Link
WO (1) WO2020143238A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2889182Y (zh) * 2006-04-29 2007-04-18 李兴东 毛囊移植器
CN102413792A (zh) * 2009-04-30 2012-04-11 韩士生科株式会社 植毛器
CN102665579A (zh) * 2009-11-27 2012-09-12 海尔斯特提斯有限公司 毛发植入锚和系统及其使用方法
WO2013015534A2 (fr) * 2011-07-28 2013-01-31 Oc Kun Dispositif de greffe de cheveux
CN204133503U (zh) * 2014-09-22 2015-02-04 萧镇国 抛弃式针头植发器
CN106166090A (zh) * 2016-07-30 2016-11-30 汕头大学医学院 毛囊移植中转储存器
KR101844138B1 (ko) * 2016-05-23 2018-03-30 옥건 모낭이탈 방지 및 위치확인용 기능성 식모기

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2889182Y (zh) * 2006-04-29 2007-04-18 李兴东 毛囊移植器
CN102413792A (zh) * 2009-04-30 2012-04-11 韩士生科株式会社 植毛器
CN102665579A (zh) * 2009-11-27 2012-09-12 海尔斯特提斯有限公司 毛发植入锚和系统及其使用方法
WO2013015534A2 (fr) * 2011-07-28 2013-01-31 Oc Kun Dispositif de greffe de cheveux
CN204133503U (zh) * 2014-09-22 2015-02-04 萧镇国 抛弃式针头植发器
KR101844138B1 (ko) * 2016-05-23 2018-03-30 옥건 모낭이탈 방지 및 위치확인용 기능성 식모기
CN106166090A (zh) * 2016-07-30 2016-11-30 汕头大学医学院 毛囊移植中转储存器

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