CN214632269U - Needle for extracting hair follicle - Google Patents
Needle for extracting hair follicle Download PDFInfo
- Publication number
- CN214632269U CN214632269U CN202022883223.0U CN202022883223U CN214632269U CN 214632269 U CN214632269 U CN 214632269U CN 202022883223 U CN202022883223 U CN 202022883223U CN 214632269 U CN214632269 U CN 214632269U
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- China
- Prior art keywords
- needle
- hole
- hair follicle
- middle section
- tail part
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- 210000003780 hair follicle Anatomy 0.000 title claims abstract description 28
- 238000000605 extraction Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 9
- 239000008280 blood Substances 0.000 abstract description 12
- 210000004369 blood Anatomy 0.000 abstract description 12
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 230000003670 easy-to-clean Effects 0.000 abstract description 3
- 210000004919 hair shaft Anatomy 0.000 description 9
- 210000004761 scalp Anatomy 0.000 description 7
- 208000015181 infectious disease Diseases 0.000 description 5
- 208000035473 Communicable disease Diseases 0.000 description 4
- 210000004209 hair Anatomy 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000002054 transplantation Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003325 follicular Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a hair follicle draws needle, including the straight tube, divide into needle head portion and backshank portion, the tail end of backshank portion is equipped with the block. The utility model is easy to clean and disinfect because the tail end of the needle tail part is provided with the cap; the cap can be taken down during disinfection, so that the inner wall and the outer wall of the needle tube are thoroughly disinfected; when in use, the cover cap is covered, so that blood and scraps can be prevented from entering the handle mobile phone, and the service life of the handle mobile phone is prevented from being shortened after rusting.
Description
Technical Field
The utility model belongs to hair-planting utensil, concretely relates to hair follicle draws needle.
Background
The current hair transplantation adopts Fue extraction technology, Fue technology is that a needle tube is sleeved on a cut hair shaft, the needle tube is fixed by a chuck of a special hair follicle extractor or a dental low-speed mobile phone, the needle tube is driven to separate the hair shaft from surrounding skin tissues when the machine rotates, and a forceps is used for extracting hair follicle units.
The existing needle tubes mainly comprise two types, the first type is a straight tube type needle tube, as shown in figure 1, a straight tube comprises a hollow needle part 1 and a hollow needle tail part 3, the inner diameters of through holes 2 and 2' of the needle part 1 and the needle tail part 3 are the same and are 0.8-1.0mm, the outer diameter of the straight tube is 1.0-1.2mm, the length is 16-20mm, the needle part 1 is used for separating hair from hair, and the needle tail part 3 is used for being fixed on a machine; the second needle tube is shown in figure 2 and comprises a hollow needle head part 1, wherein the inner diameter of a through hole 2 of the hollow needle head part is 0.8-1.0mm, the outer diameter of the through hole is 1.0-1.2mm, the length of the through hole is 5-7mm, a cylindrical middle section part 4 which is positioned behind the needle head part 1 is slightly 2.4-5mm in diameter, a radial sewage discharge hole 5 is arranged to be communicated with the through hole 2 of the needle head part 1, a needle tail part 3 which is positioned behind the middle section part 4 and is a solid round rod with the diameter of 2.35mm and the length of 20-25mm, and the sewage discharge hole 5 is used for discharging hair shafts and scalps which are broken and interrupted after the needle head part 1 rotates at a high speed.
The first straight tube type needle cannula has the following disadvantages: the needle tube is sterilized, a special hair follicle extractor chuck is required for the needle tube (the chuck is high in concentricity when being manufactured), the chuck and a handle motor shaft are fixed together, high-temperature sterilization cannot be performed, even if low-temperature sterilization is performed at present, the handle motor and connecting wires are also sterilized together, if one host is provided with a plurality of handles and connecting wires, the cost is high, and the existing hair transplantation medical institution generally only needs one set of handle and connecting wire for one host, so that the sterilization may not reach the standard; secondly, the hair shaft and the scalp which are broken by the needle head part 1 are discharged from the needle tail part 3 through a blow-off hole at the middle section of the chuck, so that a series of problems are caused, 1, excrement is blocked at the blow-off hole of the chuck, the machine rotates at a high speed, excrement and a small amount of blood splash are thrown out, the machine must be cleaned up and then the hair follicle is drilled, so that the operation time can be prolonged, and if the operation is performed on a patient with infectious diseases, the blood splash directly increases the infection probability of medical staff; 2. the needle tail part 3 and the handle shaft are integrated or connected and fixed, dirt, blood or normal saline or clean water generated in the operation process when the chuck is cleaned after the operation easily seeps into or corrodes the inside of the motor through the handle shaft, and the service life of the handle is shortened.
The second needle cannula has the following disadvantages: the middle section part 4 has the problem of the drainage hole 5, if the outer diameter of the drainage hole 5 is too thin, drainage is not smooth and easy to block, and timely drainage is needed, and the hair follicle extraction time is prolonged by dredging the drainage hole 5 for multiple times in one operation; if the outer diameter of the sewage discharge hole 5 is too thick, if bleeding occurs in the operation, blood can overflow to the joint of the middle section part 4 and the sewage discharge hole 5 along with the needle tube rotating at high speed and splash out of the operation area after the needle part 1 is drilled into the subcutaneous part every time, so that the visibility of the operation visual field is influenced, and even the blood can splash to operation medical care personnel, if infectious disease patients exist, the infection probability of medical care is increased. At present, the head part of the dental handpiece is provided with LED auxiliary light, and if the sewage draining hole 5 adopts a thin-diameter design to block light and a thick-diameter design to block the LED auxiliary light.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hair follicle draws needle to prior art's defect.
Realize the utility model discloses the technical scheme that the purpose was adopted as follows:
the utility model provides a needle is drawed to hair follicle, including the straight tube that is equipped with the through-hole, divide into syringe needle part and needle tail part, the tail end of characterized by needle tail part is equipped with the block.
The cap is connected with the tail end of the needle tail part through threads.
The inner diameter of the through hole of the needle head part and the inner diameter of the through hole of the needle tail part are the same and are 0.8-1.0mm, the outer diameter of the straight pipe is 1.0-1.2mm, and the length of the straight pipe is 16-20 mm.
The utility model provides a needle is drawed to another kind of hair follicle, including the straight tube that is equipped with the through-hole, divide into needle portion, backshank part and be located the needle portion, the backshank part between the backshank part middle section part, characterized by the through-hole internal diameter of middle section part and backshank part equals or is greater than the through-hole internal diameter of needle portion, and the tail end of backshank part is equipped with the block.
The cap is connected with the tail end of the needle tail part through threads
The needle head part has the outer diameter of 1.0-1.2mm, the length of 6-7mm and the inner diameter of a through hole of 0.8-1.0 mm; the outer diameter of the middle section part is 2.4mm, the length is 5mm, and no sewage discharge hole is formed; the diameter of the needle tail part is 2.35mm, the length of the needle tail part is 20-25mm, and the inner diameter of the through hole of the middle section part and the needle tail part is 1-2 mm.
The needle head part is a taper pipe.
The outer diameter of the taper pipe and the inner diameter of the through hole are gradually enlarged to 1.5mm and 1.0mm from 1.0mm to 0.8mm respectively.
Advantageous effects
1. The utility model is easy to clean and disinfect because the tail end of the needle tail part is provided with the cap; the cap can be taken down during disinfection, so that the inner wall and the outer wall of the needle tube are thoroughly disinfected; when in use, the cover cap is covered, so that blood and scraps can be prevented from entering the handle mobile phone, and the service life of the handle mobile phone is prevented from being shortened after rusting.
2. The design that the through hole of the big tripe bag is adopted behind the needle head part and the drain hole is not arranged can directly push the scraps and the like remained in the needle head part into the big tripe bag at the rear section by using the syringe needle, and the operation time is shortened because of cleaning the scraps after the operation.
3. The middle section adopts a design that the diameter is slightly larger than the needle tail part, the middle section part of the needle tube is clamped at the outer opening of the inserted link of the handle mobile phone, the needle tube is prevented from moving upwards to enter the handle if the locking device of the mobile phone at the rear section slips after the needle tube is pressed downwards by force in the operation, and the stability of the needle head part at the front section when the hair follicle is drilled is ensured; the design of the middle section part can not splash blood, is beneficial to keeping the operative field cleaner, protecting medical care personnel from being infected by infectious disease blood, does not shield LED auxiliary light, and is beneficial to improving the hair follicle acquisition rate under the condition that the shadowless lamp is shielded.
4. The needle head part is designed into a conical tube, and when the needle head part rotates at a high speed, the inner wall of the conical tube of the needle head part can reduce the contact with hair shafts and scalps, so that the breakage rate of the hair shafts of hair follicles is reduced, the utilization rate of hair follicle units is improved, and the operation effect is improved.
5. The utility model discloses can extensively match the mature, the concentricity height of technique, easy disinfection, the low price dental handpiece (including the dental handpiece that contains LED auxiliary light) of technique and use as the handle cell-phone of hair follicle extractor.
The technical scheme of the utility model is further explained in the following with the attached drawings.
Drawings
Fig. 1 and 2 are schematic views of the structure of a conventional needle tube.
Fig. 3 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of embodiment 2 of the present invention.
Fig. 5 is a schematic structural view of embodiment 3 of the present invention.
Detailed Description
Example 1
Referring to fig. 3, the hair follicle extraction needle provided by the utility model is a straight tube type, and comprises a straight tube provided with a through hole, which is divided into a needle head part 1 and a needle tail part 3, and the tail end of the needle tail part 3 is provided with a cap 7; the cap 7 is connected with the tail end of the needle tail part 3 through threads 6; the inner diameter of the through hole 2 of the needle head part 1 is 0.8-1.0mm the same as the inner diameter of the through hole 2' of the needle tail part 3, the outer diameter of the straight pipe is 1.0-1.2mm, and the length of the straight pipe is 16-20 mm.
The tail end of the needle tail part 3 is provided with the cap 7, so that the needle is easy to clean and disinfect; the cap 7 can be taken down during disinfection, so that the inner wall and the outer wall of the needle tube are thoroughly disinfected; when in use, the cover cap 7 is covered, blood and debris can be prevented from entering the handle mobile phone, and the service life of the handle mobile phone is prevented from being shortened after rusting.
Example 2
Referring to fig. 4, the hair follicle extraction needle is a special-shaped straight tube type and comprises a straight tube provided with a through hole, a needle head part 1, a needle tail part 3 and a cylindrical middle section part 4 positioned between the needle head part 1 and the needle tail part 3, the inner diameters of the through holes 2' of the middle section part 4 and the needle tail part 3 are equal to or larger than the inner diameter of the through hole 2 of the needle head part 1, and the tail end of the needle tail part 3 is provided with a cap 7; the outer diameter of the needle head part 1 is 1.0-1.2mm, the length is 6-7mm, and the inner diameter of the through hole 2 is 0.8-1.0 mm; the outer diameter of the middle section part 4 is 2.4mm (the diameter of a general rod of the dental handpiece is 2.35mm, the diameter is slightly larger than that of the needle tail part 3, after the needle tube is pressed downwards by force in the operation and enters the scalp, if the locking device of the back section handpiece slips, the needle tube is prevented from moving upwards and entering the handle if the diameter is larger than 2.35mm, the stability of the front section handpiece part 1 when the hair follicle is drilled is ensured), the length is 5mm, and no sewage discharge hole exists; the diameter of the needle tail part 3 is 2.35mm, the length is 20-25mm, and the cap 7 is connected with the tail end of the needle tail part 3 through a thread 6; the inner diameter of the through hole 2' of the middle section part 4 and the needle tail part 3 is 1-2 mm. The through holes 2' of the middle section 4 and the needle tail section 3 form a big belly sac for accommodating more broken scalp and broken hair shaft and other debris.
The design that the through hole 2' of the big tripe bag is adopted behind the needle head part 1 and no sewage hole exists can be directly used for pushing the residual scraps and the like in the needle head part 1 into the big tripe bag at the rear section by the syringe needle, and the operation time is shortened by uniformly cleaning the scraps after the operation.
Example 3
Referring to fig. 5, the difference from example 2 is that the needle portion 1 is of a conical tube design, and its outer diameter and inner diameter of the through hole 2 are gradually enlarged from 1.0mm and 0.8mm to 1.5mm and 1.0mm, respectively, and the rest is the same as example 2.
The needle head part 1 is designed as a taper pipe, and when the needle head part 1 rotates at a high speed, the inner wall 8 of the taper pipe of the needle head part 1 can reduce the contact with hair shafts and scalp, thereby reducing the breakage rate of the hair shafts of hair follicles, being beneficial to improving the utilization rate of follicular units and improving the operation effect.
Claims (5)
1. A hair follicle extraction needle comprises a straight pipe provided with a through hole, and is divided into a needle head part, a needle tail part and a middle section part positioned between the needle head part and the needle tail part, and is characterized in that the inner diameters of the through holes of the middle section part and the needle tail part are equal to or larger than the inner diameter of the through hole of the needle head part, and a cover cap is arranged at the tail end of the needle tail part.
2. The hair follicle extraction needle as recited in claim 1, wherein the cap is connected to the trailing end of the needle tail portion by a screw thread.
3. The hair follicle extraction needle according to claim 1 or 2, wherein the needle head portion has an outer diameter of 1.0 to 1.2mm and a length of 6 to 7mm, and the inner diameter of the through hole of the needle head portion is 0.8 to 1.0 mm; the outer diameter of the middle section part is 2.4mm, the length is 5mm, and no sewage discharge hole is formed; the diameter of the needle tail part is 2.35mm, the length of the needle tail part is 20-25mm, and the inner diameter of the through hole of the middle section part and the needle tail part is 1-2 mm.
4. The hair follicle extraction needle of claim 1, wherein the tip portion is a conical tube.
5. The hair follicle extraction needle according to claim 4, wherein the outer diameter of the conical tube and the inner diameter of the through-hole are gradually enlarged from 1.0mm to 0.8mm to 1.5mm and 1.0mm, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022883223.0U CN214632269U (en) | 2020-12-05 | 2020-12-05 | Needle for extracting hair follicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022883223.0U CN214632269U (en) | 2020-12-05 | 2020-12-05 | Needle for extracting hair follicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214632269U true CN214632269U (en) | 2021-11-09 |
Family
ID=78470640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022883223.0U Active CN214632269U (en) | 2020-12-05 | 2020-12-05 | Needle for extracting hair follicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214632269U (en) |
-
2020
- 2020-12-05 CN CN202022883223.0U patent/CN214632269U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |