Hair taking and punching needle and hair taking and implanting device
By incorporating an assistive sleeve and designing a multi-part needle structure on the hair extraction punch, the problems of inconvenient replacement and low survival rate of the hair extraction punch are solved, enabling convenient replacement, reducing scalp damage, and improving hair transplant efficiency.
Patent Information
- Application Number
- CN202323465396.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2033-12-19
AI Technical Summary
The use of the same size microneedles for hair extraction and pore drilling in existing technologies leads to low hair transplant survival rates and inconvenient replacement of extraction and drilling needles.
A hair extraction and punching needle was designed. It is hollow inside and has an assist sleeve on it, which provides a point of force for easy insertion and removal. At the same time, the needle head is designed with a cutting part, an expanding part and a restricting part to adapt to different size requirements. Combined with the hair extraction and transplantation device, the hair extraction, punching and hair transplantation process is automated by using a negative pressure system.
It enables convenient replacement of the hair extraction and punching needles, reduces scalp damage, and improves the survival rate and operational efficiency of hair transplantation.
Smart Images
Figure CN223554919U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a medical device, more particularly, it relates to a hair taking and planting needle and a hair taking and planting device. BACKGROUND
[0002] Micro-needle hair transplantation is a new practical patent technology that uses professional micro-needles for hair transplantation, and is an internationally advanced hair transplantation technology. The hair taking micro-needle used when taking hair has a size of 0.5-1mm. Which size of micro-needle to use needs to be determined according to the specific condition of the patient and the treatment plan of the doctor. After taking hair, the implantation area needs to be punched. In the prior art, the micro-needle needs to be replaced after the hair taking device is disassembled, so the same size of micro-needle is often used for convenience of hair taking and punching. The use of the same size of micro-needle for hair taking and punching makes the hair not fit tightly after being implanted into the implantation hole, which reduces the survival rate of hair transplantation. Therefore, a hair taking and punching micro-needle that can be conveniently replaced is needed. SUMMARY
[0003] To solve the problems mentioned in the background.
[0004] In a first aspect, the present application provides a hair taking and punching needle, the hair taking and punching needle is hollow inside; a power assisting sleeve is arranged on the punching needle; the power assisting sleeve is fixedly connected with the hair taking and punching needle; the power assisting sleeve is used to provide a force point when the punching needle is inserted and pulled out.
[0005] Further, the power assisting sleeve comprises a protruding part, an annular groove and a coaxial part; the annular groove is arranged between the protruding part and the coaxial part.
[0006] Further, the hair taking and punching needle comprises a needle head and a needle body; the power assisting sleeve is arranged on the needle body.
[0007] Further, the needle head comprises a cutting part, an expanding part and a limiting part; the cutting part, the expanding part and the limiting part are connected in sequence; the outer diameter of the limiting part is smaller than the outer diameter of the needle body; the expanding part and the cutting part are conical.
[0008] Further, the inner diameter of the needle body is 1.12-1.13mm, and the outer diameter is 1.46-1.47mm; the inner diameter of the needle head is 0.55-0.85mm; the normal line of the cutting part and the axis of the hair taking and punching needle form an angle of 20-26 degrees, and the normal line of the expanding part and the axis of the hair taking and punching needle form an angle of 2-4 degrees.
[0009] In a second aspect, the patent provides a hair taking and planting device, comprising a main machine, a hair taking device and a hair planting device; the main machine is used for controlling the hair taking device and the hair planting device; the main machine comprises a negative pressure system; the negative pressure system is used for providing negative pressure for the hair taking device and the hair planting device; the hair taking device is used for realizing hair extraction and punching, and using the negative pressure to realize suction of waste liquid and waste; the hair planting device is used for realizing hair planting, and using the negative pressure to realize suction of hair; the hair taking device comprises a body and a hair taking and punching needle; the hair taking and punching needle is hollow inside and is used for hair taking and punching; the body is used for driving the hair taking and punching needle to rotate and providing negative pressure for the hair taking and punching needle to suck waste liquid and waste; the hair taking and punching needle is pluggable connected with the body; a power assisting sleeve is arranged on the hair taking and punching needle; the power assisting sleeve is fixedly connected with the hair taking and punching needle; the power assisting sleeve is used for providing a force point when the hair taking and punching needle is plugged.
[0010] In summary, the present application has the following beneficial effects:
[0011] 1. The power assisting sleeve arranged on the hair taking and punching needle solves the problem of inconvenient direct plugging of the hair taking and punching needle in the prior art, and realizes pluggable connection of the hair taking and punching needle with the hair taking device.
[0012] 2. The cutting part, expansion part and limiting part designed on the needle can better protect the skin. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 And Figure 2 is a schematic diagram of the hair taking and planting device of the embodiment
[0014] Figure 3 is a schematic diagram of the hair taking device of the embodiment
[0015] Figure 4 is a schematic diagram of the hair taking and punching needle
[0016] Figure 5 is Figure 4 is a partial enlarged view
[0017] Figure 6 is a schematic diagram of the hair planting device of the embodiment
[0018] Figure 7 is a schematic diagram of the negative pressure system
[0019] Figure 8 is a schematic diagram of electrical connection of the control device
[0020] In the figure: 1, main machine; 11, control panel; 2, hair taking device; 3, hair planting device; 41, vacuum pump; 42, gas distribution; 43, pressure gauge; 44, electromagnetic pinch valve; 45, three-way electromagnetic valve; 46, filter disc; 47, gas cylinder; 51, control device; 52, foot switch; 61, air switch; 62, power distribution board;
[0021] 21, tail cover; 22, motor shell; 23, connecting cover; 24, needle cover shell; 25, third communication device; 26, motor; 261, motor shaft; 262, coupling; 27, punch needle; 271, needle head; 2711, cutting part; 2712, expansion part; 2713, limiting part; 272, needle body; 273, booster cover; 2731, protruding part; 2732, annular groove; 2733, coaxial part; 28, needle cover; 281, connecting cover; 282, coaxial cover; 29, bearing;
[0022] 31, tail shell; 311, first communication device; 32, shell body; 321, first sealing cavity; 322, hollow cavity; 323, spring; 324, ejector pin seat; 3241, pin hole; 33, negative pressure shell; 331, second sealing cavity; 332, isolation plug; 333, second communication device; 34, head shell; 35, ejector pin; 36, hair transplant needle. DETAILED DESCRIPTION
[0023] In order to make the technical problems to be solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below in combination with the drawings and embodiments.
[0024] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component, and the "connection" is not limited to fixed connection or movable connection, and the specific connection manner should be judged according to the specific technical problem to be solved.
[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0026] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0027] Example 1:
[0028] A hair taking and planting device, comprising a main machine 1, a hair taking device 2 and a hair planting device 3; the main machine 1 is used for realizing the control of the hair taking device 2 and the hair planting device 3, including power supply for driving the hair taking device 2 to complete the extraction of hair. A negative pressure system is arranged in the main machine 1, which provides negative pressure for the hair taking device 2 and the hair planting device 3. The negative pressure is used to complete the suction of waste and waste liquid in the processes of hair taking and punching, and the suction of hair, waste liquid and waste in the hair planting process; the hair planting device 3 further comprises a hair planting needle 36 and a ejector pin 35; the hair planting needle 36 is used for placing hair; the ejector pin 35 is used for pushing the hair out of the hair planting needle 36; the main machine 1 is further used for realizing the counting of the pushing times of the ejector pin 35.
[0029] The hair taking device 2 is used for realizing hair extraction and punching, and the negative pressure is used to realize the suction of waste liquid and waste; the hair planting device 3 is used for realizing hair planting, and the negative pressure is used to realize the suction of hair; the hair planting device 3 comprises a hair planting needle 36 and a ejector pin 35; the hair planting needle 36 is used for placing hair; the ejector pin 35 is used for pushing the hair out of the hair planting needle 36; the main machine 1 is further used for realizing the counting of the pushing times of the ejector pin 35.
[0030] The hair taking and planting device provided in the embodiment punches a hole on the scalp by using the hair taking device 2 before hair planting, then uses the negative pressure to suck the hair into the hair planting needle 36, inserts the hair planting needle 36 into the punched hole, uses the ejector pin 35 to push the hair out of the hair planting needle 36 into the punched hole, and completes the transplantation of hair. The main machine 1 can determine how many hair follicles are implanted by recording the pushing times of the ejector pin 35. The working strength of medical staff is greatly reduced, and the working efficiency of medical staff is improved.
[0031] Embodiment 2
[0032] The hair planting device 3 provided in the embodiment further comprises a first shell and a needle pushing mechanism; the needle pushing mechanism comprises a piston and a reciprocating mechanism; the ejector pin 35 is connected with the piston; the reciprocating mechanism drives the piston to make reciprocating motion, and then drives the ejector pin 35 to realize pushing and retraction.
[0033] The reciprocating mechanism comprises a first sealed cavity 321 arranged in the first shell and a spring 323 arranged in the first sealed cavity 321; one end of the spring 323 abuts against the first shell, and the other end abuts against the piston; the first sealed cavity 321 is in communication with a first communicating device 311; the first communicating device 311 is in communication with the negative pressure system; the negative pressure system can reduce the air pressure in the first sealed cavity 321, so that the piston extrudes the spring 323, and the piston drives the spring 323 to retract; when the negative pressure system stops working, the spring 323 resets to drive the ejector pin 35 to advance, and the pushing of the ejector pin 35 is completed.
[0034] The piston is provided with a hollow cavity 322 and a needle 35 seat 324 for mounting the needle 35, the needle 35 is arranged on the needle 35 seat 324, and the needle 35 seat 324 is threadedly connected with the hollow cavity 322. In order to avoid the needle 35 seat 324 from being separated from the piston due to the excessively low air pressure in the first sealing cavity 321, a pin hole 3241 is arranged on the piston and the needle 35 seat 324, and the cooperation of the pin and the pin hole 3241 enables the needle 35 seat 324 to be firmly fixed on the piston.
[0035] The first shell is further provided with a second sealing cavity 331, the hair implanting needle 36 is in communication with the second sealing cavity 331, the second sealing cavity 331 is in communication with a second communicating device 333, and the second communicating device 333 is in communication with the negative pressure system.
[0036] Embodiment 3
[0037] On the basis of the embodiment 2, the first shell of the hair implanting device 3 comprises a tail shell 31, a shell body 32, a negative pressure shell 33 and a head shell 34, the tail shell 31, the shell body 32, the negative pressure shell 33 and the head shell 34 are sequentially connected, and the connection is in the form of threads, and a sealing ring is arranged at the connection. The first communicating device 311 is arranged on the tail shell 31 and is threadedly connected with the tail shell 31. The tail shell 31 is provided with a spring 323 cavity, one end of the spring 323 is arranged in the spring 323 cavity, a piston is arranged in the shell body 32, and the piston is also provided with a sealing ring, which realizes the sealing of the first sealing cavity 321. The negative pressure shell 33 is provided with a second sealing cavity 331, and the negative pressure shell 33 is provided with a second communicating device 333, which is in communication with the second sealing cavity 331. An isolation plug 332 is arranged between the second sealing cavity 331 and the hollow cavity 322, and the isolation plug 332 is threadedly connected with the negative pressure shell 33. The isolation plug 332 separates the hollow cavity 322 and the second sealing cavity 331, and a hole is arranged in the center of the isolation plug 332 for the needle 35 to penetrate. The hair implanting needle 36 is arranged on the head shell 34. The needle 35 penetrates the hollow cavity 322, the isolation plug 332, the second sealing cavity 331 and the head shell 34 in sequence. The diameter of the needle 35 is smaller than that of the hair implanting needle 36, when the spring 323 is retracted, the needle 35 is located at the tail of the hair implanting needle 36, the hair implanting needle 36 is in communication with the second sealing cavity 331, and the hair implanting needle 36 can suck the hair due to the communication between the second sealing cavity 331 and the negative pressure system. When the spring 323 is in the released state, the needle 35 penetrates the hair implanting needle 36 along the axis, and the hair in the hair implanting needle 36 can be pushed out of the hair implanting needle 36.
[0038] The host 1 further comprises a control device 51 for receiving an adjusting signal of the first sealed cavity 321, and sending a signal to the negative pressure system to adjust the pressure in the first sealed cavity 321. The control device 51 counts the number of times the ejector pin 35 is pushed by calculating the adjusting signal. When the first negative pressure system is connected with the first communicating vessel 311, the ejector pin 35 is retracted; when the connection between the first negative pressure system and the first communicating vessel 311 is cut off, the first communicating vessel 311 is connected with the outside, the spring 323 is released, and the ejector pin 35 is pushed forward. At this time, the control device 51 completes one count.
[0039] Embodiment 4
[0040] On the basis of embodiment 3, the present embodiment provides a hair extractor 2. The hair extractor 2 comprises a second shell, a hair extraction and punching needle 27 and a motor 26; the second shell comprises a tail cover 21, a motor shell 22, a needle sleeve 28 shell 24 and a connecting cover 23; the tail cover 21, the motor shell 22, the needle sleeve 28 shell 24 and the connecting cover 23 are connected in sequence. The tail cover 21 is provided with a third communicating vessel 25 and a second hollow cavity 322; the tail of the motor 26 is connected with the tail cover 21, and the tail cover 21 is further provided with a cable hole for the cable of the motor 26 to pass through; the cable hole of the motor 26 and the cable are sealed by a sealing ring. The tail cover 21 is connected with the motor shell 22 by screw threads; preferably, a sealing ring is arranged at the connection. The body of the motor 26 is arranged in the motor shell 22. The connecting cover 23 comprises an isolation plate, a first connecting shell and a second connecting shell; the first connecting shell is connected with the motor shell 22 by screw threads; the isolation plate is provided with a hole in the middle for the motor shaft 261 to pass through; the second connecting shell is connected with the needle sleeve 28 shell 24 by screw threads. The needle sleeve 28 shell 24 is provided with a connecting cavity and a coaxial cavity.
[0041] The hair extraction and punching needle 27 is hollow inside; the hair extraction and punching needle 27 is sleeved with a needle sleeve 28; the needle sleeve 28 comprises a connecting sleeve 281 and a coaxial sleeve 282. The hair extraction and punching needle 27 and the needle sleeve 28 are coaxially arranged. The motor shaft 261 is a hollow shaft, and the motor shaft 261 is provided with a shaft coupling 262; the connecting sleeve 281 is inserted into the shaft coupling 262 to connect with the motor shaft 261, and the motor shaft 261 drives the shaft coupling 262 to rotate, thereby driving the shaft coupling and the coaxial sleeve 282 to rotate. The shaft coupling 262 and the connecting sleeve 281 are arranged in the connecting cavity. The coaxial cavity is provided with a bearing 29; the coaxial sleeve 282 passes through the bearing 29; the bearing 29 allows the coaxial sleeve 282 to rotate freely in the coaxial cavity. The coaxial cavity can also keep the hair extraction and punching needle 27 rotating coaxially to avoid large deviation and other problems such as needle skipping.
[0042] The taking hair punch needle 27 is communicated with the third communication device 25 through the needle sleeve 28 and the motor shaft 261 in sequence. When the negative pressure system is communicated with the third communication device 25, the head of the taking hair punch needle 27 can absorb waste liquid and waste, so as to keep the head clean and facilitate the operation of medical staff. The taking hair punch needle 27 rotates under the driving of the friction between the motor shaft 261 and the needle sleeve 28.
[0043] Embodiment 5
[0044] On the basis of embodiment 4, in order to solve the problem of replacing the taking hair punch needle 27, the embodiment provides a taking hair punch needle 27. The taking hair punch needle 27 is provided with a power assisting sleeve 273; the power assisting sleeve 273 is fixedly connected with the taking hair punch needle 27. The power assisting sleeve 273 comprises a protruding part 2731, an annular groove 2732 and a coaxial part 2733; the annular groove 2732 is arranged between the protruding part 2731 and the coaxial part 2733. When the taking hair punch needle 27 is inserted into the hair taking device 2, the coaxial part 2733 is inserted into the coaxial sleeve 282 and is in contact with the coaxial sleeve 282.
[0045] In the embodiment, the inner diameter of the connecting sleeve 281 is adapted to the outer diameter of the taking hair punch needle 27, so that the taking hair punch needle 27 can be driven to rotate under the action of friction; the inner diameter of the coaxial sleeve 282 is slightly larger than the outer diameter of the taking hair punch needle 27; the inner diameter of the coaxial sleeve 282 is adapted to the outer diameter of the coaxial part 2733 of the power assisting sleeve 273, so that the power assisting sleeve 273 is driven to rotate. Under the joint action of the power assisting sleeve 273 and the connecting sleeve 281, the taking hair punch needle 27 can rotate smoothly and rotate coaxially, so that the problem of needle jumping is avoided.
[0046] When the taking hair punch needle 27 needs to be replaced, the taking hair punch needle 27 can be pulled out of the hair taking device 2 by using the pliers or special plug-in tool with the help of the annular groove 2732 and the protruding part 2731. Conversely, the taking hair punch needle 27 can be inserted into the hair taking device 2. Through the cooperation of the taking hair punch needle 27 provided by the embodiment and the hair taking device 2, the taking hair punch needle 27 and the hair taking device 2 are detachably connected.
[0047] Embodiment 6
[0048] On the basis of embodiment 4 and embodiment 5, in order to solve the problem of efficiency and scalp damage degree in the process of taking hair and punching, the embodiment provides a taking hair punch needle 27. The taking hair punch needle 27 comprises a needle head 271 and a needle body 272; the power assisting sleeve 273 is arranged on the needle body 272. The needle head 271 comprises a cutting part 2711, an expanding part and a limiting part 2713.
[0049] The inner diameter of the needle body 272 is 1.12-1.13 mm, and the outer diameter is 1.46-1.47 mm; the inner diameter of the needle head 271 is 0.55-0.85 mm. The outer diameter of the limiting part 2713 is slightly smaller than the outer diameter of the needle body 272. The cutting part 2711 and the expansion part are tapered, the normal line of the cutting part 2711 and the axis of the hair taking and punching needle 27 form an angle of 20-26 degrees, and the normal line of the expansion part and the axis of the hair taking and punching needle 27 form an angle of 2-4 degrees.
[0050] In use, the cutting part 2711 can quickly break the scalp, the expansion part 2712 can expand the opening in a small opening state, and the limiting part 2713 has an outer diameter slightly smaller than the needle body 272, so that the insertion depth of the hair taking and punching needle 27 can be limited, and damage to the scalp can be avoided when the hair taking and punching needle 27 is inserted too deep.
[0051] In use, the hair taking can use a hair taking and punching needle 27 with a larger inner diameter, and the punching can use a hair taking and punching needle 27 with a smaller inner diameter. Through the above scheme, the damage to the scalp can be reduced, and since the punching aperture is smaller than the hair taking aperture, the hole after hair transplantation can more tightly wrap the hair follicle, so that the hair follicle is more easily to obtain nutrient substances, and the hair is more easily to survive.
[0052] Embodiment 7
[0053] On the basis of the foregoing embodiments, the embodiment provides a negative pressure system; the negative pressure system comprises a vacuum pump 41, a gas discharge 42, a pressure gauge 43, a solenoid valve, a filter disc 46, a gas cylinder 47 and a solenoid pinch valve.
[0054] The vacuum pump 41 is communicated with the gas discharge 42; the gas discharge 42 is communicated with the pressure gauge 43, and the vacuum degree in the negative pressure system can be displayed through the pressure gauge 43; the gas discharge is also connected with the filter disc 46 and the three-way solenoid valve 45, and the three-way solenoid valve is connected with the first communicating vessel 311; the first communicating vessel 311 controls its communication with the negative pressure system or the atmosphere through the three-way solenoid valve 45; the filter disc 46 is communicated with the gas cylinder 47, and most of the waste liquid and waste can be intercepted through the gas cylinder 47; the gas cylinder 47 is communicated with the solenoid pinch valve 44, the solenoid pinch valve 44 is communicated with the second communicating vessel 333 and the third communicating vessel 25, and the second communicating vessel 333 and the third communicating vessel 25 are controlled to be communicated with the negative pressure system through the solenoid pinch valve 44.
[0055] Embodiment 8
[0056] On the basis of the foregoing embodiment, the present embodiment provides a control device 51, which is electrically connected with the push switch, the three-way electromagnetic valve 45, and the electromagnetic pinch valve 44; the electrical connection can use wired or wireless connection. The push switch is used to send a first sealed cavity 321 pressure adjustment signal, which includes an on or off signal; after receiving the on signal, the control device 51 controls the three-way electromagnetic valve 45 to connect the first communication vessel 311 with the negative pressure system, so that the first sealed cavity 321 presents a negative pressure state. After receiving the off signal, the first sealed cavity 321 is connected with air through the three-way electromagnetic valve 45.
[0057] The control device 51 is electrically connected with the control panel 11, which is used to display hair transplantation information, including hair transplantation quantity information; the control panel 11 is also used to send a control signal to the control device 51 to control the electromagnetic pinch valve 44, so that the second communication vessel 333 and the third communication vessel 25 are connected with the negative pressure system. After receiving a group of on and off signals, the control device 51 adds one to the hair transplantation quantity count. The hair transplantation quantity can be displayed on the control panel 11 in real time.
[0058] Since the hair transplantation needs to be repeatedly operated, in order to free the hands of medical staff, the push switch used in the present embodiment is a foot switch 52.
[0059] Preferably, two hair transplanters 3 and two foot switches 52 are included, the two hair transplanters 3 are respectively connected with the electromagnetic pinch valve 44 and the three-way electromagnetic valve 45, and are connected with the negative pressure system in a parallel form. The two foot switches 52 respectively control the two three-way electromagnetic valves 45.
[0060] The present embodiment also includes an electrical system, which is provided with an automatic voltage transformation system, so that it can adapt to different power supply environments. The electrical system includes an air switch 61, a power switch, and a power distribution board 62; so that the electrical system can supply power for electrical equipment.
[0061] Embodiment 9
[0062] On the basis of the foregoing embodiment, the present embodiment provides a hair transplantation method.
[0063] Step 1: Taking hair
[0064] The hair is sleeved into the needle 271 of the hair taking device 2, the needle 271 is slowly inserted into the scalp to cut off the hair follicle and contact the scalp, the negative pressure system can suck waste liquid and waste, and can also loosen the hair follicle at the same time, which is convenient for subsequent extraction of hair; the hair is clamped out by using tweezers and placed on a special tray.
[0065] Step 2: Needle replacement and punching
[0066] The tool is used to take out the hair extraction punch needle 27, replace the needle 271 of the hair extractor 2 with a needle 271 with a smaller aperture, and punch holes at the hair implantation site.
[0067] Step 3: Hair implantation
[0068] The push switch is controlled to retract the ejector pin 35, the implantation needle 36 is connected to the negative pressure system, and the implantation needle 36 is aligned with the prepared micro-holes. The push switch is released to release the ejector pin 35, and the hair is implanted into the holes.
[0069] The specific embodiments are merely illustrative of the present application, and are not intended to limit the present application. Those skilled in the art can make modifications to the embodiments according to the needs after reading the specification, and the modifications do not contribute to the creativity, but are protected by the patent law as long as they are within the scope of the claims of the present application.
Claims
1. A pick-and-place punch, characterized by: The hair-taking and punching needle is internally hollow; a force assisting sleeve is arranged on the hair-taking and punching needle; the force assisting sleeve is fixedly connected with the hair-taking and punching needle; the force assisting sleeve is used for providing a force point when the hair-taking and punching needle is inserted or pulled out.
2. The hair extraction lance according to claim 1, characterized in that: The force assisting sleeve comprises a convex part, an annular groove and a coaxial part; the annular groove is arranged between the convex part and the coaxial part.
3. The hair-pulling and picking needle according to claim 2, characterized in that: The hair-taking and punching needle comprises a needle head and a needle body; the force assisting sleeve is arranged on the needle body.
4. The hair-pulling punch needle of claim 3, wherein: The needle head comprises a cutting part, an expanding part and a limiting part; the cutting part, the expanding part and the limiting part are sequentially connected; the limiting part has an outer diameter smaller than that of the needle body; the expanding part and the cutting part are conical.
5. The hair-pulling punch needle of claim 4, wherein: The inner diameter of the needle body is 1.12-1.13 mm and the outer diameter is 1.46-1.47 mm; the inner diameter of the needle head is 0.55-0.85 mm; the normal line of the cutting part and the axis of the hair-taking and punching needle form an angle of 20-26 degrees, and the normal line of the expanding part and the axis of the hair-taking and punching needle form an angle of 2-4 degrees.
6. A hair taking and implanting device characterized by: The device comprises a main machine, a hair-taker and a hair-planting machine; the main machine is used for controlling the hair-taker and the hair-planting machine; the main machine comprises a negative pressure system; the negative pressure system is used for providing negative pressure for the hair-taker and the hair-planting machine. The hair-taker is used for hair taking and punching, and uses negative pressure to suck waste liquid and waste; the hair-planting machine is used for hair planting and uses negative pressure to suck hair. The hair-taker comprises a body and a hair-taking and punching needle; the hair-taking and punching needle is internally hollow and is used for hair taking and punching; the body is used for driving the hair-taking and punching needle to rotate and providing negative pressure for the hair-taking and punching needle to suck waste liquid and waste; the hair-taking and punching needle is pluggably connected with the body; a force assisting sleeve is arranged on the hair-taking and punching needle; the force assisting sleeve is fixedly connected with the hair-taking and punching needle; the force assisting sleeve is used for providing a force point when the hair-taking and punching needle is inserted or pulled out.