Adjustable multifunctional acupuncture pen

Abstract

The utility model discloses an adjustable multifunctional acupuncture pen which can timely remove errhysis of a wound and improve the efficiency of clinical nursing. The adjustable multifunctional acupuncture pen comprises a shell and a disposable needle. A containing cavity is formed in the shell, the shell is provided with an opening communicated with the containing cavity in the first direction, the first direction is the axial direction of the shell, and an inner cylinder is arranged in the shell and exposed out of the opening. The disposable needle head comprises a shell and a needle body, a cavity is formed in the shell, a gauze cotton pad is arranged in the cavity, the needle body is of a hollow structure and is provided with a through hole penetrating in the first direction, the end of the needle body is arranged on one side of the shell in the first direction, the through hole is communicated with the cavity, and the other side of the shell is used for being inserted into the opening and detachably connected with the inner cylinder.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to an adjustable multifunctional acupuncture pen. Background Art

[0002] In current clinical practice, disposable scalp needles are often used to perform acupuncture and bloodletting on wounds with slough. However, this method has a series of obvious disadvantages. For example, during the bloodletting process, the bloodletting sites are often unevenly distributed. After a few needles are inserted, due to bleeding from the wound, it is difficult to clearly distinguish which areas have been punctured and which areas have not been punctured. This will inevitably have a negative impact on the effect of acupuncture. For example, when the wound bleeds, sterile gauze needs to be used at any time to wipe and remove the blood, which undoubtedly adds additional steps and complexity to the operation. This not only consumes more time and energy, but may also affect the consistency and efficiency of the operation to a certain extent. In addition, the frequent replacement and use of sterile gauze will also increase the consumption of medical supplies.

[0003] In short, these disadvantages have limited the current acupuncture bloodletting method's clinical application effect and practical value to a certain extent, and it needs further improvement and perfection. Utility Model Content

[0004] The present application provides an adjustable multifunctional acupuncture pen, which can promptly remove bleeding from wounds and improve the efficiency of clinical nursing.

[0005] To achieve the above objectives, this application provides the following technical solutions:

[0006] This application provides an adjustable multifunctional acupuncture pen, comprising a housing and a disposable needle. The housing has a housing interior with an opening communicating with the housing interior along a first direction, the first direction being the housing's axial direction. An inner cylinder is disposed within the housing, and the inner cylinder is exposed through the opening. The disposable needle comprises an outer shell and a needle body. The outer shell interior has a chamber, which is provided with a gauze pad. The needle body is hollow and has a through hole extending therethrough along the first direction. Along the first direction, the end of the needle body is disposed on one side of the housing, communicating with the through hole. The other side of the housing is adapted to be inserted into the opening and removably connected to the inner cylinder.

[0007] In the above scheme, the adjustable multifunctional acupuncture pen is used to perform acupuncture bloodletting operations on wounds with slough. The gauze cotton pad in the disposable needle can effectively and promptly clear the bleeding from the wound. On the one hand, it can improve the problem that the nursing staff cannot clearly identify the wound position due to bleeding from the wound, thereby affecting the acupuncture effect; on the other hand, since the bleeding can be cleared in time, there is no need to consume the nursing staff's energy to frequently wipe the blood with sterile gauze. Therefore, it can greatly reduce the operating procedures of the nursing staff, and also reduce the various operating items that need to be carried during the operation, which brings great convenience to clinical work, allows nursing work to be carried out more smoothly and efficiently, and is conducive to improving the quality and efficiency of clinical nursing work.

[0008] According to some embodiments of the present application, a protrusion is formed on a side of the shell facing away from the needle body along the first direction, and the protrusion cooperates with the inner tube thread.

[0009] In the above scheme, a protrusion is provided on the outer shell and cooperates with the inner tube thread to realize the detachable connection between the disposable needle and the inner tube, thereby improving the disassembly and assembly efficiency of the disposable needle and the shell, which is beneficial to improving clinical nursing efficiency. At the same time, it can ensure a more stable connection reliability between the outer shell and the disposable needle, reducing the risk of the disposable needle falling off during clinical nursing.

[0010] According to some embodiments of the present application, the housing includes a cover body and an end plate. Along a first direction, the cover body and the end plate are engaged with each other and together form a chamber, and the needle body is fixed to the end plate.

[0011] In the above solution, the housing includes a cover body and an end plate that are interlocked, a gauze pad is disposed between the cover body and the end plate, and the needle body is fixed to the cover body and extends toward a side away from the end plate. During the manufacturing process, the end plate and the needle can be first integrated through insert injection molding, the gauze pad is disposed in the cover body, and then the cover body and the end plate are interlocked. This can effectively reduce the manufacturing difficulty of the disposable needle and improve manufacturing efficiency.

[0012] According to some embodiments of the present application, there are multiple needle bodies, and the multiple needle bodies are arranged at intervals on one side of the shell.

[0013] According to some embodiments of the present application, the disposable needle further includes a cover body, which covers the housing and surrounds the needle body.

[0014] In the above solution, by providing a cover, the needle body can be isolated from the outside world. On the one hand, the needle body is placed in a closed space to reduce the risk of injury to nursing staff or other personnel; on the other hand, the needle body can be sealed in time after the wound is cleaned, thereby reducing the risk of medical contamination.

[0015] According to some embodiments of the present application, the position of the inner cylinder is adjustable in the housing along the first direction.

[0016] In the above solution, by arranging the inner cylinder to be adjustable in position along the first direction in the shell, the total length of the adjustable multifunctional acupuncture pen can be adjusted, thereby adjusting the relative size between the part where the caregiver holds the adjustable multifunctional acupuncture pen and the needle tip to achieve acupuncture requirements of different depths.

[0017] According to some embodiments of the present application, a peripheral wall of the housing is formed with a plurality of through-holes, and the plurality of through-holes are spaced apart along the first direction;

[0018] The inner cylinder is movably disposed in the shell along a first direction. A first elastic piece is disposed on the outer periphery of the inner cylinder. A convex portion is formed on a side of the first elastic piece facing away from the inner cylinder. The convex portion is configured to engage with any one of the plurality of through holes.

[0019] Along the first direction, a push rod is formed at one end of the inner cylinder away from the opening, and the push rod passes through the end of the shell away from the opening.

[0020] In the above solution, by inserting the protrusion into different perforations, the position of the inner tube in the shell can be adjusted, thereby changing the position of the needle tip of the needle body to achieve acupuncture requirements of different depths.

[0021] According to some embodiments of the present application, a spring is provided in the housing, and the spring is located between the opening and the inner cylinder, and is used to push the inner cylinder to move in a direction away from the disposable needle.

[0022] In the above solution, by providing a spring, the inner cylinder can have a tendency to move in a direction away from the disposable needle, so that the inner cylinder can be quickly reset.

[0023] According to some embodiments of the present application, a limit block is provided on a side of the inner cylinder facing away from the first elastic piece along the radial direction of the shell, and a slide groove is provided inside the shell, and the slide groove slides along the first direction;

[0024] A marking portion is provided on the limiting block, and a transparent window is provided at a position of the wall of the shell corresponding to the sliding groove.

[0025] In the above scheme, by setting a slide groove and a limit block, the inner cylinder can be limited to slide only in the first direction, preventing the inner cylinder from rotating in the shell, thereby ensuring the accuracy of the needle tip position adjustment; at the same time, by setting a transparent window on the wall of the shell, it is convenient for the nursing staff to intuitively connect the current position of the inner cylinder, thereby understanding the current depth of the needle tip to achieve acupuncture requirements of different depths.

[0026] According to some embodiments of the present application, a second spring sheet is provided on the peripheral wall of the shell, and a plurality of push blocks are provided on the side of the second spring sheet facing the shell. The plurality of push blocks are arranged at intervals along the first direction and correspond one-to-one to the through holes. The push blocks are used to be inserted into the corresponding through holes to push out the protrusions in the through holes.

[0027] In the above scheme, the nurse can push out the convex part in the perforation by pressing the second spring piece, and the elastic force of the spring can quickly reset the inner tube; at the same time, when the needle tip position needs to be adjusted, the spring can be compressed by pressing the push rod, so that the convex part is stuck in the appropriate perforation. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 This is a schematic diagram of the internal structure of an adjustable multifunctional acupuncture pen in some embodiments of the present application;

[0030] Figure 2 Schematic diagram of the internal structure of the housing and the disposable needle in some embodiments of the present application;

[0031] Figure 3 This is a schematic diagram of the internal structure of a disposable needle in some embodiments of the present application;

[0032] Figure 4 Schematic diagram of the internal structure of the shell and inner cylinder in some embodiments of the present application;

[0033] Figure 5 for Figure 4 Enlarged view of point A in the middle.

[0034] Icon: 100-adjustable multifunctional acupuncture pen, 10-shell, 11-perforation, 12-slide, 13-second spring, 130-push block, 20-inner cylinder, 21-first spring, 210-protrusion, 22-push rod, 23-limiting block, 30-disposable needle, 31-shell, 32-needle body, 310-protrusion, 311-cover, 312-end plate, 33-cover, 40-spring, 50-gauze pad. DETAILED DESCRIPTION

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0038] In the description of the embodiments of the present application, it should be understood that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the application is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0039] In the description of the embodiments of this application, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0040] It should be noted that, unless there is any conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0041] See Figure 1-Figure 3 , Figure 1 This is a schematic diagram of the internal structure of an adjustable multifunctional acupuncture pen in some embodiments of the present application. Figure 2 This is a schematic diagram of the internal structure of the housing and the disposable needle in some embodiments of the present application. Figure 3 This is a schematic diagram of the internal structure of a disposable needle in some embodiments of the present application.

[0042] This application provides an adjustable multifunctional acupuncture pen 100, comprising a housing 10 and a disposable needle 30. The housing 10 defines a chamber with an opening extending in a first direction, which is the axial direction of the housing 10. An inner cylinder 20 is disposed within the housing 10, and is exposed through the opening. The disposable needle 30 comprises an outer shell 31 and a needle body 32. The outer shell 31 defines a chamber containing a gauze pad 50. The needle body 32 is hollow and has a through hole extending in the first direction. Along the first direction, the end of the needle body 32 is disposed on one side of the outer shell 31, with the through hole connecting to the chamber. The other side of the outer shell 31 is adapted to be inserted into the opening and removably connected to the inner cylinder 20.

[0043] In some embodiments, the housing 10 and the inner tube 20 can be medical devices that can be used multiple times and can be reused after being sterilized after each use. The housing 10 and the inner tube 20 can be made of stainless steel.

[0044] In some embodiments, the disposable needle 30 is a disposable medical device that can be disposed of as medical waste after each use. The housing 31 of the disposable needle 30 can be plastic, and the needle body 32 can be made of stainless steel. The needle body 32 is a hollow structure with a through hole extending through it. One end of the through hole extends to the needle tip, and the other end extends into the cavity to contact the gauze pad. The gauze pad should be made of a material with good permeability as much as possible to absorb bleeding immediately after acupuncture.

[0045] For example, the adjustable multifunctional acupuncture pen 100 can be operated as follows: a nurse takes the housing 10 and disposable needle 30, inserts the disposable needle 30 into the opening and connects it to the inner barrel 20, and then pricks the patient's wound for bloodletting. The blood seeping from the wound contacts the needle tip, seeps through the through hole into the gauze pad, is absorbed by the gauze pad, and is stored in the housing 31. After the wound is cleaned, the disposable needle 30 is removed and disposed of as medical waste.

[0046] In the above scheme, the adjustable multifunctional acupuncture pen 100 is used to perform acupuncture bloodletting operations on wounds with slough. The gauze cotton pad in the disposable needle 30 can effectively and timely remove bleeding from the wound. On the one hand, it can improve the problem that the nursing staff cannot clearly identify the wound position due to bleeding from the wound, thereby affecting the acupuncture effect; on the other hand, since the bleeding can be removed in time, there is no need to consume the nursing staff's energy to frequently wipe the blood with sterile gauze. Therefore, the operating procedures of the nursing staff can be greatly reduced, and the various operating tools that need to be carried during the operation are also reduced, which brings great convenience to clinical work, allowing nursing work to be carried out more smoothly and efficiently, and is conducive to improving the quality and efficiency of clinical nursing work.

[0047] According to some embodiments of the present application, a protrusion 310 is formed on a side of the outer shell 31 facing away from the needle body 32 along the first direction, and the protrusion 310 is threadedly engaged with the inner tube 20 .

[0048] In some embodiments, the inner cylinder 20 has a threaded hole, and the protrusion 310 is screwed into the threaded hole.

[0049] In the above scheme, a protrusion 310 is convexly provided on the outer shell 31 and is threadedly engaged with the inner cylinder 20 to realize a detachable connection between the disposable needle 30 and the inner cylinder 20, thereby improving the disassembly and assembly efficiency of the disposable needle 30 and the shell 10, which is beneficial to improving clinical nursing efficiency. At the same time, it can ensure a more stable connection reliability between the outer shell 31 and the disposable needle 30, reducing the risk of the disposable needle 30 falling off during clinical nursing.

[0050] According to some embodiments of the present application, the housing 31 includes a cover body 311 and an end plate 312 . Along a first direction, the cover body 311 and the end plate 312 are engaged with each other to form a chamber, and the needle body 32 is fixed to the end plate 312 .

[0051] In the above solution, the housing 31 includes a cover 311 and an end plate 312 that are interlocked, a gauze pad is disposed between the cover 311 and the end plate 312, and the needle body 32 is fixed to the cover 311 and extends toward a side away from the end plate 312. During the manufacturing process, the end plate 312 and the needle can be first integrated by insert injection molding, the gauze pad is disposed in the cover 311, and then the cover 311 and the end plate 312 are interlocked. This can effectively reduce the manufacturing difficulty of the disposable needle 30 and improve manufacturing efficiency.

[0052] According to some embodiments of the present application, there are multiple needle bodies 32 , and the multiple needle bodies 32 are arranged at intervals on one side of the housing 31 .

[0053] In some embodiments, the disposable needles 30 have various specifications to accommodate different wound sizes. For example, the needle bodies 32 and shells 31 of disposable needles 30 of different specifications have different sizes, and the number of needle bodies 32 on the shells 31 is different.

[0054] It should be noted that the convex portions 210 of disposable needles 30 of different specifications may be consistent, so that the same housing 10 can accommodate disposable needles 30 of different specifications.

[0055] According to some embodiments of the present application, the disposable needle 30 further includes a cover 33 , which covers the housing 31 and surrounds the needle 32 .

[0056] In the above scheme, by providing the cover body 33, the needle body 32 can be isolated from the outside world. On the one hand, the needle body 32 is placed in a closed space to reduce the risk of injury to nursing staff or other personnel; on the other hand, the needle body 32 can be sealed in time after the wound is cleaned, thereby reducing the risk of medical contamination.

[0057] According to some embodiments of this application, see Figure 4 and Figure 5 , Figure 4 This is a schematic diagram of the internal structure of the shell 10 and the inner cylinder 20 in some embodiments of the present application. Figure 5 for Figure 4 The inner cylinder 20 is arranged in the housing 10 in an adjustable manner along the first direction.

[0058] In the above solution, by setting the inner cylinder 20 to be adjustable in position along the first direction in the shell 10, the total length of the adjustable multifunctional acupuncture pen 100 can be adjusted, thereby adjusting the relative size between the part where the caregiver holds the adjustable multifunctional acupuncture pen 100 and the needle tip of the needle body 32 to achieve acupuncture requirements of different depths.

[0059] According to some embodiments of this application, see Figure 5 The housing 10 is formed with a plurality of through-holes 11 spaced apart along a first direction. In the first direction, the inner tube 20 is movably disposed within the housing 10. A first spring 21 is disposed on the outer circumference of the inner tube 20. A protrusion 210 is formed on the side of the first spring 21 facing away from the inner tube 20. The protrusion 210 is configured to engage with any of the plurality of through-holes 11. A push rod 22 is formed on the end of the inner tube 20 facing away from the opening in the first direction. The push rod 22 extends through the end of the housing 10 facing away from the opening.

[0060] In some embodiments, the first spring piece 21 can be made of metal and has a certain elasticity. One end of the first spring piece 21 can be fixed to the outer periphery of the inner tube 20, and the other end is suspended in the air. Under the elastic force of the first spring piece 21 itself, the protrusion 210 can be stuck in the through hole 11.

[0061] In some embodiments, the side of the protrusion 210 facing the disposable needle 30 may be provided with an inclined surface to cooperate with the through-hole 11 in one direction. For example, through the cooperation between the inclined surface and the through-hole 11, the inner tube can slide through the through-hole 11 when subjected to a downward force (toward the disposable needle 30), but cannot escape from the through-hole 11 when subjected to an upward force, thereby realizing unidirectional movement of the inner tube 20 unless the protrusion 210 falls off the through-hole 11.

[0062] In some embodiments, the protrusion 210 can be pushed out of the through-hole 11 by external pressure, so that the position of the inner cylinder 20 can be changed by pulling or pressing the push rod 22 .

[0063] In the above solution, by inserting the protrusion 210 into different through-holes 11 , the position of the inner tube 20 in the housing 10 can be adjusted, thereby changing the position of the needle tip of the needle body 32 to achieve acupuncture requirements of different depths.

[0064] According to some embodiments of the present application, a spring 40 is provided in the housing 10 . The spring 40 is located between the opening and the inner cylinder 20 and is used to push the inner cylinder 20 to move in a direction away from the disposable needle 30 .

[0065] In some embodiments, an opening is formed in the bottom wall of the housing 10 , one end of the spring 40 may abut against the bottom wall, and the other end may correspond to the end of the inner cylinder 20 .

[0066] In the above solution, by providing the spring 40 , the inner cylinder 20 can have a tendency to move in a direction away from the disposable needle 30 , so that the inner cylinder 20 can be quickly reset.

[0067] According to some embodiments of the present application, a limit block 23 is provided on the radial direction of the housing 10 on the side of the inner cylinder 20 facing away from the first elastic piece 21. The housing 10 is provided with a slide groove 12, which slides in a first direction. The limit block 23 is provided with a marking portion, and a transparent window is provided on the wall of the housing 10 at a location corresponding to the slide groove 12.

[0068] In some embodiments, the number of perforations 11 can be three, and the transparent window marks three areas corresponding to the positions of the three perforations 11. The position where the limiting portion is exposed in the three areas represents the position of the perforation 11 where the protrusion 210 on the first spring piece 21 is engaged.

[0069] The marking portion may be a color mark.

[0070] In the above scheme, by providing the slide groove 12 and the limit block 23, the inner cylinder 20 can be limited to slide only in the first direction, preventing the inner cylinder 20 from rotating in the shell 10, thereby ensuring the accuracy of the needle tip position adjustment; at the same time, by providing a transparent window on the wall of the shell 10, it is convenient for the nursing staff to intuitively connect the current position of the inner cylinder 20, thereby understanding the current depth of the needle tip to achieve acupuncture requirements of different depths.

[0071] According to some embodiments of the present application, a second spring piece 13 is provided on the peripheral wall of the shell 10, and a plurality of push blocks 130 are provided on the side of the second spring piece 13 facing the shell 10. The plurality of push blocks 130 are arranged at intervals along the first direction and correspond one-to-one to the through-holes 11. The push blocks 130 are used to be inserted into the corresponding through-holes 11 to push out the protrusions 210 in the through-holes 11.

[0072] In some embodiments, the second elastic piece 13 can be made of metal and have a certain degree of elasticity. One end of the second elastic piece 13 can be fixed to the outer periphery of the housing 10, and the other end can be suspended in the air. By pressing the second elastic piece 13, the caregiver can insert all the push blocks 130 into the corresponding through-holes 11, thereby pushing out the protrusion 210 in one of the through-holes 11.

[0073] In the above solution, the caregiver can push out the protrusion 210 in the through-hole 11 by pressing the second spring 13, and the elastic force of the spring 40 can quickly reset the inner tube 20. At the same time, when the needle tip position of the needle body 32 needs to be adjusted, the spring 40 can be compressed by pressing the push rod 22, so that the protrusion is locked into the appropriate through-hole 11. The adjustable multifunctional acupuncture pen provided by this application has the following advantages:

[0074] Advantage 1: Operation convenience is greatly improved.

[0075] This is because the present invention adopts the technical means of integrating the needle and gauze, avoiding the tedious steps of nursing staff operating the needle separately and frequently changing the gauze, and reducing the number of items carried during operation.

[0076] Advantage 2: Acupuncture accuracy and effect are better.

[0077] Since the present invention optimizes the design of the needle, the position of the inner tube and the shell can be adjusted, so that the position of the needle tip can be adjusted, making it more suitable for precise acupuncture operations on difficult-to-heal wounds, thereby achieving a more accurate treatment effect than the existing technology.

[0078] Advantage 3: Reduce the risk of injury to nursing staff.

[0079] The integrated design reduces the possibility of needlestick injuries caused by improper operation by nursing staff, which is different from the risks that may be caused by using a disposable adjustable multifunctional acupuncture pen alone in the existing technology. At the same time, by providing a cover, the risk of medical infection can be effectively reduced and the safety of nursing staff can be improved.

[0080] Advantage 4: Improve work efficiency.

[0081] The integrated design and simplified operating procedures allow nursing staff to complete wound treatment in a shorter time, significantly improving work efficiency, which is an advantage not available in existing technologies.

[0082] Advantage 5: Wider applicability.

[0083] The unique design of the present invention enables it to be adapted to a wider variety and complexity of difficult-to-heal wounds, whereas existing technologies may have limited applicability in certain circumstances.

[0084] Advantage 6: Reduce costs.

[0085] The use of separate needles and gauze is reduced, which can reduce medical costs in the long run. This is achieved through innovative integrated design, which is different from existing technologies.

[0086] The foregoing description is merely a preferred embodiment of the present application and is not intended to limit the present application. Persons skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. An adjustable multifunctional acupuncture pen, characterized in that: A shell having an accommodating cavity therein, wherein the shell has an opening communicating with the accommodating cavity along a first direction, wherein the first direction is an axial direction of the shell, an inner cylinder is disposed in the shell, and the inner cylinder is exposed at the opening; A disposable needle comprises an outer shell and a needle body, wherein the interior of the outer shell has a chamber, the chamber is provided with a gauze cotton pad, the needle body is a hollow structure and has a through hole passing through along the first direction, along the first direction, the end of the needle body is arranged on one side of the outer shell and the through hole is connected to the chamber, and the other side of the outer shell is used to be inserted into the opening and is detachably connected to the inner tube.

2. The adjustable multifunctional acupuncture pen according to claim 1, characterized in that: Along the first direction, a protrusion is formed on a side of the shell away from the needle body, and the protrusion is threadably engaged with the inner tube.

3. The adjustable multifunctional acupuncture pen according to claim 1, characterized in that: The housing includes a cover body and an end plate. Along the first direction, the cover body and the end plate are engaged with each other to form the chamber. The needle body is fixed to the end plate.

4. The adjustable multifunctional acupuncture pen according to claim 1, characterized in that: There are multiple needle bodies, and the multiple needle bodies are arranged at intervals on one side of the shell.

5. The adjustable multifunctional acupuncture pen according to claim 1, characterized in that: The disposable needle further comprises a cover body, which covers the shell and surrounds the needle body.

6. The adjustable multifunctional acupuncture pen according to any one of claims 1 to 5, characterized in that: Along the first direction, the inner cylinder is arranged in the shell in an adjustable manner.

7. The adjustable multifunctional acupuncture pen according to claim 6, characterized in that: The peripheral wall of the shell is formed with a plurality of through holes, and the plurality of through holes are arranged at intervals along the first direction; Along the first direction, the inner cylinder is movably disposed in the shell, and a first elastic piece is disposed on the outer periphery of the inner cylinder. A convex portion is formed on a side of the first elastic piece facing away from the inner cylinder, and the convex portion is used to be engaged with any one of the plurality of through holes; Along the first direction, a push rod is formed at one end of the inner cylinder away from the opening, and the push rod passes through the end of the shell away from the opening.

8. The adjustable multifunctional acupuncture pen according to claim 7, characterized in that: A spring is provided in the housing and is located between the opening and the inner cylinder, and is used for pushing the inner cylinder to move in a direction away from the disposable needle.

9. The adjustable multifunctional acupuncture pen according to claim 7, characterized in that: Along the radial direction of the shell, a limit block is provided on a side of the inner cylinder away from the first elastic piece, and a slide groove is provided inside the shell, and the slide groove slides along the first direction; The limit block is provided with a marking portion, and the wall portion of the shell is provided with a transparent window at a position corresponding to the sliding groove.

10. The adjustable multifunctional acupuncture pen according to claim 8, characterized in that: A second spring piece is provided on the peripheral wall of the shell, and a plurality of push blocks are provided on the side of the second spring piece facing the shell. The plurality of push blocks are arranged at intervals along the first direction and correspond one-to-one to the through holes. The push blocks are used to be inserted into the corresponding through holes to push out the protrusions in the through holes.

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