HK1233198B - Needle device - Google Patents

Description

Acupuncture device

Technical Field

The present invention relates to an acupuncture device.

Background Art

Existing acupuncture devices, such as intravenous needles, are typically single-use devices. After use, they must be discarded as medical waste. To prevent the needle from injuring people or objects, a needle guard is typically placed on the needle holder. However, existing acupuncture devices suffer from the drawback that the needle guard easily rebounds, causing the needle to leak.

Summary of the Invention

The technical problem to be solved by the present invention is to provide an acupuncture device in order to overcome the defect of the existing acupuncture device that the needle cover is easy to rebound.

The present invention solves the above technical problems through the following technical solutions:

An acupuncture device comprises a needle seat and a needle placed in the needle seat, and is characterized in that a first sleeve is slidably provided above the needle seat, and a second sleeve is slidably provided above the first sleeve; at least one protrusion is provided on the upper surface of the needle seat, and a through hole is provided at the rear end of the first sleeve, and at least one elastic limiting portion is provided in the through hole. When the protrusion moves between the inner wall of the through hole and the free end of the elastic limiting portion, the elastic limiting portion limits the protrusion from moving toward the fixed end of the elastic limiting portion; a limiting mechanism is also provided between the first sleeve and the second sleeve.

Preferably, the limiting mechanism includes a first blocking portion, a second blocking portion, a third blocking portion, and an elastic fastener. The first blocking portion and the second blocking portion are provided on the upper surface of the first assembly, the elastic fastener is provided on the upper surface of the second assembly, and the third blocking portion is provided on the lower surface of the second assembly. When the elastic fastener moves in front of the first blocking portion, the second blocking portion restricts the third blocking portion from further movement. In this way, the second assembly is not likely to rebound.

Preferably, the first set is further provided with a strip groove, the strip groove being connected to the through hole and being located above the protrusion. The strip groove can serve as a passage for the protrusion, and the provision of the strip groove can reduce the weight of the first set.

Preferably, there are two elastic limiting parts, which are respectively located on both sides of the strip groove. The two elastic limiting parts can further improve the restriction on the protrusion and effectively prevent the first set from rebounding.

Preferably, the distance between the free ends of the two elastic limiting portions is smaller than the distance between the fixed ends of the two elastic limiting portions. In this way, the restriction on the protrusion can be effectively improved, and the rebound of the first set can be effectively prevented.

Preferably, there are two elastic restricting parts, both of which are located on one side of the strip groove; and there are two protrusions, each of which cooperates with the two elastic restricting parts. In this way, the restriction on the protrusions can be further improved, effectively preventing the first set from rebounding.

Preferably, there are four elastic limiting parts, two of which are located on one side of the strip groove, and the other two are located on the other side of the strip groove. In this way, the restriction on the protrusion can be further improved, and the rebound of the first set can be effectively prevented.

Preferably, the first blocking portion comprises two strips provided on the upper surface of the first housing, the two strips being arranged in parallel and serving as sliding tracks for the third blocking block. This allows the third blocking block to slide smoothly while also blocking the elastic fastener, thereby preventing the second housing from rebounding.

Preferably, a cushion layer is provided at the bottom of the second sleeve, the bottom of the cushion layer being a flat surface, and the cushion layer and the second sleeve enclose the needle hub and the first sleeve. During use, the cushion layer comes into direct contact with human skin, so that the flat cushion layer can fit closely to the human skin, thereby improving the skin comfort during use of the device.

Preferably, a clamping portion is provided below the second set, and the cushion layer is clamped to the clamping portion, so that the cushion layer and the second set are easily connected.

Preferably, the cushion layer and the second set are formed as one piece, which has the advantage of convenient manufacturing and no need to install a cushion layer separately.

Preferably, a needle head is provided at the front end of the needle holder, and the vertical distance between the needle head and the bottom of the cushion layer is greater than 0.05 mm. In this way, the needle head is closer to the human skin during use, thereby improving the comfort of the acupuncture device during use.

Preferably, the length of the needle seat is greater than 2 mm, the length of the first sleeve is greater than 2 mm, and the length of the second sleeve is greater than 2 mm. In this way, when the first sleeve and the second sleeve are pulled apart, the needle can be effectively covered, thereby improving the safety of the device.

Preferably, the needle holder is provided with a first slideway on each side, and the first assembly is provided with a first slide rail that cooperates with the first slideway; the first assembly is provided with a second slideway on each side, and the second assembly is provided with a second slide rail that cooperates with the second slideway. In this way, the needle holder, the first assembly, and the second assembly can be securely connected and slide smoothly.

Preferably, the upper surface of the second set is provided with a pressing portion, so that after the acupuncture device is used, the user can press the pressing portion on the second set to easily withdraw the needle from the human skin.

Preferably, an operating handle is provided at the rear end of the needle holder, and the operating handle is provided with at least one wing-shaped portion. The operating handle makes the operation of the acupuncture device more convenient.

Preferably, there is one wing-shaped portion, which is located on one side of the needle holder. A user can hold the wing-shaped portion to operate the acupuncture device.

Preferably, there are two wing-shaped portions, which are respectively located on both sides of the needle holder. The two wing-shaped portions make it more convenient to operate the acupuncture device.

Preferably, the operating handle is sleeved on the needle seat, or the operating handle is integrally formed with the needle seat, or the operating handle is clamped on the needle seat.

Preferably, the operating handle further comprises a bending portion, wherein the bending portion is provided between the wing-shaped portion and the needle seat. The bendable operating handle has the advantage of being easy to operate.

Preferably, the first and second sets are both in a groove shape, as the groove-shaped sets are easy to operate.

The positive progressive effect of the present invention is that the acupuncture device of the present invention has the advantages of being easy for the operator to operate and comfortable for the patient's skin during use. After use, the kit above the needle seat can quickly cover the needle, and the connection between the kit and the needle seat is firm, and the kit will not rebound, which effectively improves the safety of the product.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a preferred embodiment of the present invention.

FIG2 is a three-dimensional assembly diagram of a preferred embodiment of the present invention.

FIG3 is a perspective schematic diagram of the first kit according to a preferred embodiment of the present invention.

FIG4 is a perspective schematic diagram of the second kit according to a preferred embodiment of the present invention.

FIG5 is a bottom view of the second assembly according to a preferred embodiment of the present invention.

FIG6 is a schematic top view of a preferred embodiment of the present invention after use.

FIG7 is a bottom view of the preferred embodiment of the present invention after use.

FIG8 is a bottom view of a preferred embodiment of the present invention when the cushion layer is not installed after use.

FIG9 is a schematic structural diagram of the operating handle when it is sleeved on the needle seat according to a preferred embodiment of the present invention.

DETAILED DESCRIPTION

A preferred embodiment is given below and the present invention is described more clearly and completely in conjunction with the accompanying drawings.

As shown in Figures 1, 2, 3, 4, 5, 6, 7, 8 and 9, an acupuncture device includes a needle seat 10 and a needle head 20 connected to the front end of the needle seat 10, a first set 30 is slidably provided above the needle seat 10, and a second set 40 is slidably provided above the first set 30; a protrusion 11 is provided on the upper surface of the needle seat 10, a through hole 31 is provided at the rear end of the first set 30, and an elastic limiting portion 32 is provided in the through hole 31. When the protrusion 11 moves between the inner wall of the through hole 31 and the free end of the elastic limiting portion 32, the elastic limiting portion 32 limits the protrusion Part 11 moves toward the fixed end of the elastic limiting part 32; a limiting mechanism is also provided between the first kit 30 and the second kit 40, and the limiting mechanism includes a first blocking part 33, a second blocking part 34, a third blocking part 42 and an elastic fastener 41; the first blocking part 33 and the second blocking part 34 are provided on the upper surface of the first kit 30, the elastic fastener 41 is provided on the upper surface of the second kit 40, and the third blocking part 42 is provided on the lower surface of the second kit 40. When the elastic fastener 41 moves to the front of the first blocking part 33, the second blocking part 34 limits the third blocking part 42 from continuing to move.

The first sleeve 30 also has a strip-shaped groove 35, which communicates with the through-hole 31 and is located above the protrusion 11. Two elastic restricting portions 32 are provided, one on each side of the strip-shaped groove 35. The distance between the free ends of the two elastic restricting portions 32 is smaller than the distance between the fixed ends of the two elastic restricting portions 32.

There can be two elastic limiting parts and two protruding parts, both of which are located on one side of the strip groove, and the two protruding parts respectively cooperate with the two elastic limiting parts. This can improve the restriction on the protruding parts and prevent the first set from rebounding.

There may also be four elastic limiting portions, two of which are located on one side of the strip groove, and the other two are located on the other side of the strip groove. The increase in the number of elastic limiting portions further improves the restriction on the protrusion.

The first blocking portion 33 includes two strip portions 331 . The strip portions 331 are provided on the upper surface of the first sleeve 30 . The two strip portions 331 are provided in parallel. The strip portions 331 serve as sliding tracks for the third blocking portion 42 .

The bottom of the second sleeve 40 is provided with a cushioning layer 45. The bottom of the cushioning layer 45 is a flat surface. The cushioning layer 45 and the second sleeve 40 enclose the needle hub 10 and the first sleeve 30. The cushioning layer 45 and the second sleeve 40 can be manufactured separately and then assembled. In this case, a snap-fitting portion 401 can be provided below the second sleeve 40, and the cushioning layer 45 snaps onto the snap-fitting portion 401. Alternatively, the cushioning layer 45 and the second sleeve 40 can be integrally formed. Both the first sleeve 30 and the second sleeve 40 are groove-shaped.

The vertical distance between the needle tip 20 and the bottom of the cushion layer 45 is greater than 0.05 mm. This allows the needle tip to be closer to the skin, thereby improving the comfort of use of the acupuncture device. The needle hub 10 is greater than 2 mm long, the first sleeve 30 is greater than 2 mm long, and the second sleeve 40 is greater than 2 mm long.

A first slide 12 is provided on each side of the needle seat 10, and the first kit 30 is provided with a first slide rail 36 that cooperates with the first slide 12; a second slide 37 is provided on each side of the first kit 30, and the second kit 40 is provided with a second slide rail 43 that cooperates with the second slide 37.

The upper surface of the second set 40 is provided with a pressing portion 44. In this way, after the acupuncture device is used, the user can press the pressing portion on the second set to easily slide the second set.

In order to make it more convenient to use, an operating handle 50 is provided at the rear end of the needle hub, and the operating handle 50 is provided with at least one wing-shaped portion 51. There can be one wing-shaped portion 51, which is located on one side of the needle hub 10. There can also be two wing-shaped portions 51, and the two wing-shaped portions are respectively provided on both sides of the needle hub 10. There can be many ways to connect the operating handle 50 to the needle hub 10. The operating handle 50 can also be integrally formed with the needle hub 10; or as shown in Figure 6, the operating handle 50 is snap-connected to the needle hub 10; or as shown in Figure 9, the operating handle 50 is sleeved on the needle hub 10. As shown in Figure 10, the operating handle 50 can also include a bending portion 52, and the bending portion 52 is provided between the wing-shaped portion 51 and the needle hub 10. The bendable operating handle is convenient for operation.

After the acupuncture device is used, press the second kit and pull the needle seat backwards to remove the needle from the human skin. During the backward movement of the needle seat, the first kit slides backwards with the needle seat, and the second kit does not move. When the elastic limiting part restricts the protrusion in the through hole, the needle seat and the first kit are engaged; when the second blocking part blocks the third blocking part, the first kit no longer slides backwards, and the first blocking part blocks the elastic fastener to prevent the first kit from sliding forward. The first kit and the second kit cover the needle on the needle seat. The first kit and the second kit will not rebound and will cover the needle to prevent the needle from injuring people or objects. The cushion layer is a flat surface that is in direct contact with the human skin, so that during operation, the patient's skin will not feel uncomfortable, thereby improving the comfort of the use process.

The acupuncture device of the present invention has the advantages of being easy for the operator to operate and comfortable for the patient's skin. After use, the kit above the needle seat can quickly cover the needle, and the connection between the kit and the needle seat is firm, and the kit will not rebound, which effectively improves the safety of the product.

In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention.

Although specific embodiments of the present invention have been described above, those skilled in the art will appreciate that these are merely illustrative and that the scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, and such changes and modifications are intended to fall within the scope of the present invention.

Claims (21)

1. An acupuncture device, comprising a needle holder and a needle disposed within the needle holder, characterized in that a first assembly is slidably disposed above the needle holder, and a second assembly is slidably disposed above the first assembly; the upper surface of the needle holder is provided with at least one protrusion, the rear end of the first assembly is provided with a through hole, and at least one elastic limiting part is provided within the through hole; when the protrusion moves between the inner wall of the through hole and the free end of the elastic limiting part, the elastic limiting part restricts the protrusion from moving toward the fixed end of the elastic limiting part, and the protrusion is restricted within the through hole; a limiting mechanism is further provided between the first assembly and the second assembly. 2. The acupuncture device as claimed in claim 1, characterized in that the limiting mechanism includes a first blocking part, a second blocking part, a third blocking part and an elastic fastener, the first blocking part and the second blocking part are disposed on the upper surface of the first kit, the elastic fastener is disposed on the upper surface of the second kit, and the third blocking part is disposed on the lower surface of the second kit. When the elastic fastener moves in front of the first blocking part, the second blocking part restricts the third blocking part from continuing to move. 3. The acupuncture device as described in any one of claims 1 or 2, wherein the first kit further comprises a strip groove, the strip groove communicating with the through hole, and the strip groove being located above the protrusion. 4. The acupuncture device as claimed in claim 3, wherein there are two elastic limiting parts, and the two elastic limiting parts are respectively located on both sides of the strip groove. 5. The acupuncture device as claimed in claim 4, wherein the distance between the free ends of the two elastic limiting portions is less than the distance between the fixed ends of the two elastic limiting portions. 6. The acupuncture device as claimed in claim 3, wherein there are two elastic limiting parts, both of which are located on one side of the strip groove; and there are two protrusions, each of which cooperates with one of the two elastic limiting parts. 7. The acupuncture device as claimed in claim 3, wherein there are four elastic limiting parts, two of which are located on one side of the strip groove, and the other two are located on the other side of the strip groove. 8. The needle-punching device as claimed in claim 2, wherein the first blocking part comprises two strip-shaped parts, the strip-shaped parts are disposed on the upper surface of the first kit, the two strip-shaped parts are arranged in parallel, and the strip-shaped parts serve as the sliding track of the third blocking part. 9. The acupuncture device as claimed in claim 2, wherein the bottom of the second kit is provided with a pad, the bottom of the pad is a flat surface, and the pad and the second kit surround the needle seat and the first kit. 10. The acupuncture device as claimed in claim 9, wherein a snap-fit portion is provided below the second kit, and the padding layer snaps into the snap-fit portion. 11. The needle-punching device as claimed in claim 9, wherein the pad layer and the second kit are integrally formed. 12. The acupuncture device as claimed in claim 9, wherein the vertical distance between the needle tip and the bottom of the pad layer is greater than 0.05 mm. 13. The acupuncture device as claimed in claim 2, wherein the length of the needle holder is greater than 2 mm, the length of the first kit is greater than 2 mm, and the length of the second kit is greater than 2 mm. 14. The acupuncture device as claimed in claim 2, characterized in that a first slide rail is provided on each side of the needle seat, and the first assembly is provided with a first slide rail that cooperates with the first slide rail; a second slide rail is provided on each side of the first assembly, and the second assembly is provided with a second slide rail that cooperates with the second slide rail. 15. The acupuncture device as claimed in claim 2, wherein the upper surface of the second kit is provided with a pressing part. 16. The acupuncture device according to any one of claims 1 or 2, characterized in that the rear end of the needle seat is provided with an operating handle, and the operating handle is provided with at least one wing-shaped portion. 17. The acupuncture device as claimed in claim 16, wherein the wing-shaped portion is a single unit, and the wing-shaped portion is located on one side of the needle seat. 18. The acupuncture device as claimed in claim 16, wherein there are two wing-shaped portions, and the two wing-shaped portions are respectively located on both sides of the needle seat. 19. The acupuncture device as claimed in claim 16, wherein the operating handle is sleeved on the needle seat, or the operating handle is integrally formed on the needle seat, or the operating handle is snapped onto the needle seat. 20. The acupuncture device as claimed in claim 16, wherein the operating handle further includes a bent portion, the bent portion being disposed between the wing-shaped portion and the needle seat. 21. The acupuncture device as claimed in claim 1, wherein both the first kit and the second kit are groove-shaped.