CN219049502U - Fire needle device capable of controlling depth of needle penetrating skin - Google Patents

Abstract

The utility model relates to a fire needle device capable of controlling the penetration depth of a needle into skin, which comprises an outer needle cylinder, a heating pipe and a fire needle body, wherein the outer needle cylinder comprises a grab handle cylinder and a depth adjusting cylinder, the depth adjusting cylinder is in threaded connection with the front end of the grab handle cylinder, the fire needle body is movably arranged in the outer needle cylinder, the fire needle body can move back and forth in the outer needle cylinder, a first positioning part is arranged in the grab handle cylinder, and a second positioning part matched with the first positioning part is arranged in the fire needle body; when the fire needle body moves forwards in the outer needle cylinder until the second positioning part abuts against the first positioning part, the fire needle body cannot move forwards relative to the outer needle cylinder, and the fire needle body moves forwards in the outer needle cylinder. The depth of the acupuncture point skin is proper and easy to master, the heating temperature is controllable, and discomfort caused by invasive acupuncture operation can be relieved; and the postoperative curative effect is stable, so that more people are willing to accept the needling therapy, and the popularization and application of the needling therapy in clinical work are facilitated.

Description

Fire needle device capable of controlling depth of needle penetrating skin

Technical Field

The utility model relates to the technical field of traditional Chinese medical appliances, in particular to a fire needle appliance capable of controlling the penetration depth of a needle into skin.

Background

The existing fire needle device for clinical application has the following problems: because the operation proficiency of operators is different, especially for beginners, the depth of the fire needle penetrating into the skin of the acupuncture point is proper and difficult to master, the penetration depth of the same operator into the acupuncture point of different operations cannot be fixed, so that the curative effect can be influenced, and safety events can also occur.

In addition, the existing needle burning mode is difficult to control the temperature of the needle burning, meanwhile, operators are different, and the same operator moves the fire needle from a fire source to the acupuncture points at different speeds, so that the temperature cannot be fixed when the fire needle enters the skin acupuncture points.

Disclosure of Invention

The application provides a fire needle appliance capable of controlling the penetration depth of a needle into skin, which mainly solves the problem that the existing fire needle appliance is difficult to control and adjust the penetration depth of the fire needle into the skin of an acupoint; secondly, the problem that the temperature can not be fixed when the fire needle enters the skin acupoint is solved.

The application is realized by the following technical scheme:

a fire needle device for controlling the depth of penetration of a needle into skin, comprising:

the outer needle cylinder comprises a grab handle cylinder and a depth adjusting cylinder, the depth adjusting cylinder is in threaded connection with the front end of the grab handle cylinder, and the axial length of the outer needle cylinder can be adjusted by screwing the depth adjusting cylinder;

the fire needle body is movably arranged in the outer needle cylinder, and can move back and forth in the outer needle cylinder, and the length of the fire needle body is longer than that of the outer needle cylinder;

a first positioning part is arranged in the grab handle barrel, and the fire needle body is provided with a second positioning part which is matched with the first positioning part; when the fire needle body moves forwards in the outer needle cylinder until the second positioning part abuts against the first positioning part, the fire needle body cannot move forwards relative to the outer needle cylinder, and the fire needle body moves forwards in the outer needle cylinder. When in use, the depth adjusting cylinder is screwed, and the outer needle cylinder is adjusted to the required length; then holding the grab handle barrel to align the front end of the depth adjusting barrel to the skin acupuncture point; then, the fire needle body is heated, the fire needle body is pushed into the outer needle cylinder from back to front until the second positioning part is propped against the first positioning part, and the advancing needle cannot be continuously advanced, so that the penetration depth is reached; after a certain treatment time, the fire needle body is pulled out backwards. Because the distance that the fire needle body moves forward in the outer needle cylinder is fixed, the length that the fire needle body extends out of the outer needle cylinder forward can be adjusted by prolonging the length of the outer needle cylinder, and then the aim of controlling and adjusting the depth of the fire needle penetrating into the skin of the acupoint is fulfilled.

Optionally, an axial reset spring is arranged between the outer needle cylinder and the fire needle body, and under the action of the reset spring, the front end of the fire needle body is retracted into the outer needle cylinder.

It should be noted that the mounting manner of the return spring is numerous, and those skilled in the art can set the mounting manner as required. The return spring may be a compression spring or a tension spring. When the return spring is a compression spring, the mounting modes include, but are not limited to, the following four modes:

the first type of reset spring is sleeved on the fire needle body, a baffle plate is fixed on the fire needle body, a third limiting part is arranged in the grab handle barrel, and the reset spring is positioned between the baffle plate and the third limiting part; the outer needle cylinder also comprises a tail cover, and the tail cover is detachably arranged at the rear end of the grab handle cylinder; when the fire needle body moves backwards in the outer needle cylinder until the baffle plate abuts against the tail cover, the fire needle body cannot move backwards relative to the outer needle cylinder; after the tail cover is taken down from the grab handle barrel, the fire needle body can be pulled out from the outer needle cylinder from the rear end of the grab handle barrel;

the second type, there is a baffle plate that can move back and forth in the said grab handle cylinder, the baffle plate has central through hole, the said fire needle body is operated to pass the central through hole of the said baffle plate, there is a baffle plate step used for limiting the said baffle plate on the fire needle body, the reset spring is sleeved on the fire needle body, the said baffle plate locates between reset spring and said baffle plate step, there is a third spacing part in the said grab handle cylinder, the reset spring locates between baffle plate and said third spacing part; the fire needle body is pushed forward, the baffle step pushes the baffle to move forward so as to compress the return spring, and when the return spring pushes the baffle to move backward, the baffle pushes the baffle step to drive the fire needle body to move backward;

a fourth positioning part is arranged in the grab handle cylinder, and when the baffle moves backwards in the outer needle cylinder until the baffle abuts against the fourth positioning part, the baffle cannot move backwards continuously relative to the outer needle cylinder;

third, a baffle capable of moving back and forth is arranged in the grab handle barrel, the baffle is provided with a central through hole, the fire needle body operably penetrates through the central through hole of the baffle, a baffle step used for limiting the baffle is arranged on the fire needle body, a reset spring is sleeved on the fire needle body, the baffle is positioned between a reset spring and the baffle step, a third limiting part is arranged in the grab handle barrel, and the reset spring is positioned between the baffle and the third limiting part; the fire needle body is pushed forward, the baffle step pushes the baffle to move forward so as to compress the return spring, and when the return spring pushes the baffle to move backward, the baffle pushes the baffle step to drive the fire needle body to move backward;

the outer needle cylinder also comprises a tail cover, and the tail cover is detachably arranged at the rear end of the grab handle cylinder; when the baffle moves backwards in the outer needle cylinder until the baffle abuts against the tail cover, the baffle cannot move backwards relative to the outer needle cylinder;

fourth, reset spring is located outside the outer cylinder rear end, and reset spring cover is on the fire needle body, has because the spacing portion that supports reset spring on the fire needle body, and reset spring is located between outer cylinder rear end tip and the spacing portion of fire needle body.

Optionally, the fire needle device capable of controlling the penetration depth of the needle into the skin further comprises a heating tube, wherein the heating tube is arranged in the grab handle barrel, a wire guide opening is arranged on the grab handle barrel, and the fire needle body can operably pass through the heating tube; a heat insulation ring is arranged or not arranged between the outer wall of the heating tube and the inner wall of the grab handle barrel, and a heat insulation sheet is arranged or not arranged at the rear end of the heating tube. The heating tube can be powered through the wire guide, and then is heated. It is worth to say that the heating tube can adopt external power supply, also can set up rechargeable battery and supply power for the heating tube on the outer cylinder.

In particular, when the return spring is arranged, the rear end of the heating tube forms a third limiting part for supporting the return spring, so that an additional limiting structure can be avoided, and the structure of the appliance can be simplified.

Optionally, a temperature sensing component for detecting the temperature of the needle body of the fire needle is arranged on the grab handle barrel.

Optionally, the fire needle device capable of controlling the depth of the needle penetrating the skin further comprises a control box, wherein the control box comprises a controller, a power switch and a temperature regulating component, and the power switch, the temperature regulating component, the heating tube and the temperature sensing component are all connected with the controller.

Optionally, the fire needle body comprises a needle head, a needle rod and a pressing handle which are sequentially arranged from front to back, and the diameters of the needle head, the needle rod and the pressing handle are sequentially increased;

the front end of the depth adjusting cylinder is provided with a needle hole matched with the needle head, the needle rod is matched with the heating tube, and the pressing handle is matched with the tail hole of the tail cover;

the step at the joint of the needle head and the needle rod forms the second positioning part, and the inner step is arranged in the grab handle barrel to form the first positioning part.

Optionally, the depth adjusting cylinder is divided into two parts, namely a depth adjusting knob handle and a needle opening end;

the depth adjusting knob handle is cylindrical, the needle opening end comprises a threaded cylinder and a front end cover, the front end cover is positioned at the front end of the threaded cylinder and is integrally manufactured with the threaded cylinder, and a needle hole matched with the front end of the fire needle body is formed in the front end cover;

the depth adjusting knob handle is in threaded fit with the front threaded section at the front end of the grab handle barrel through the first threaded section, and the rear end of the depth adjusting knob handle is in threaded fit with the threaded barrel through the second threaded section;

the front end of the grab handle barrel is provided with an outer step, when the front end face of the depth adjusting knob handle or the inner step of the depth adjusting knob handle is propped against the outer step of the grab handle barrel, the depth adjusting knob handle can not be screwed forward relative to the grab handle barrel, and the outer needle cylinder is adjusted to be longest at the moment; when the front end cover is propped against the front end of the grab handle barrel, the depth adjusting knob handle can not be screwed backwards relative to the grab handle barrel, and the outer needle cylinder is adjusted to be the shortest at the moment;

the outer step of the grab handle barrel is provided with or not provided with a damping ring.

In particular, when the depth adjusting knob handle is rotated to adjust the outer needle cylinder to the longest, the fire needle body moves forward in the outer needle cylinder until the second positioning part abuts against the first positioning part, and the front end of the fire needle body is just aligned with the front end of the needle opening end.

Optionally, a scale mark for marking the front-back adjusting distance of the depth adjusting cylinder is arranged on the outer wall of the handle cylinder; when the depth adjusting cylinder is rotated to enable the rear end of the depth adjusting cylinder to be aligned with the forefront scale of the scale mark, the fire needle body is moved forwards in the outer needle cylinder until the second positioning part abuts against the first positioning part, and the front end of the fire needle body is just aligned with the front end of the depth adjusting cylinder.

Compared with the prior art, the application has the following beneficial effects:

1, the application can perform depth control: the length of the outer needle cylinder can be adjusted in a stepless manner within a certain range through the depth adjusting cylinder, the extendable length of the needle head is adjusted, and after an operator presses the fire needle body in place, the extendable length is the depth of the fire needle entering the subcutaneous region to be treated, so that the treatment depth of the fire needle is controlled, the treatment effect can be ensured, and meanwhile, the occurrence of a safety event can be avoided;

2, the fire needle body can be automatically and electrically heated, and the use is convenient;

3, the temperature of the fire needle body can be controlled, so that the temperature is fixed when the fire needle enters the skin acupuncture point;

4, the operation is simple, the depth of the fire needle penetrating the skin of the acupoint is proper and easy to master, and the discomfort caused by invasive operation of the needle can be relieved; and the postoperative curative effect is stable, so that more people are willing to accept the needling therapy, and the popularization and application of the needling therapy in clinical work are facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model.

FIG. 1 is a three-dimensional view of a fire needle implement for controlling the depth of penetration of a needle into skin in accordance with an embodiment;

FIG. 2 is a front view of a fire needle device for controlling the penetration depth of a needle into skin according to an embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of a fire needle device of the embodiment in which the depth of penetration of the needle into the skin is controlled when the outer barrel is adjusted to its maximum length and the fire needle body is advanced to its maximum travel;

FIG. 5 is a schematic view of a fire needle device of the embodiment wherein the needle penetration depth is controlled by the outer barrel adjusted to a minimum and the fire needle body advanced to a maximum stroke;

FIG. 6 is a schematic view of a fire needle device with the outer cylinder adjusted to a natural state of minimal time to control the depth of penetration of the needle into the skin in an embodiment;

FIG. 7 is a front view of the fire needle device with the return spring external in an embodiment;

FIG. 8 is a three-dimensional view of a temperature-sensing patch in an embodiment;

FIG. 9 is a three-dimensional view of a fire needle body in an embodiment;

FIG. 10 is a three-dimensional view of a grip barrel in an embodiment;

FIG. 11 is a three-dimensional view of a depth adjustment knob stem in an embodiment;

FIG. 12 is a front view of a depth adjustment knob stem in an embodiment;

FIG. 13 is a three-dimensional view of the needle tip at one of the viewing angles in an embodiment;

FIG. 14 is a three-dimensional view of the needle tip at another view angle in an embodiment;

FIG. 15 is a three-dimensional view of a damping ring in an embodiment;

fig. 16 is a three-dimensional view of a fire needle device for controlling the penetration depth of a needle into skin when a control box is provided in an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "front", "rear", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 7, the fire needle device capable of controlling the penetration depth of the needle into the skin disclosed in the embodiment comprises an outer needle cylinder and a fire needle body 5, wherein the outer needle cylinder comprises a grab handle cylinder 1 and a depth adjusting cylinder, the depth adjusting cylinder is in threaded connection with the front end of the grab handle cylinder 1, and the axial length of the outer needle cylinder can be adjusted by screwing the depth adjusting cylinder. The fire needle body 5 is movably arranged in the outer needle cylinder, the fire needle body 5 can move back and forth in the outer needle cylinder, and the length of the fire needle body 5 is longer than that of the outer needle cylinder.

The handle barrel 1 is internally provided with a first positioning part, and the fire needle body 5 is provided with a second positioning part matched with the first positioning part; when the fire needle body 5 moves forward in the outer needle cylinder until the second positioning part abuts against the first positioning part, the fire needle body 5 cannot move forward relative to the outer needle cylinder, and the fire needle body 5 moves forward in the outer needle cylinder. The first positioning part and the second positioning part can be matched positioning steps, matched spigot structures and the like, and the positioning steps and the spigot structures can be integrally manufactured with the grab handle barrel 1 or can be independent components fixedly mounted.

When in use, the depth adjusting cylinder is screwed, and the outer needle cylinder is adjusted to the required length; then holding the grab handle barrel 1 to aim the front end of the depth adjusting barrel at the skin acupuncture point; subsequently, the fire needle body 5 is heated, the fire needle body 5 is pushed into the outer needle cylinder from back to front until the second positioning part is propped against the first positioning part, and the advancing needle cannot be continuously advanced; after a certain treatment time, the fire needle body 5 is pulled out backwards. Because the forward moving distance of the fire needle body 5 in the outer needle cylinder is fixed, the length of the fire needle body 5 extending out of the outer needle cylinder can be adjusted by prolonging the length of the outer needle cylinder, and then the aim of controlling and adjusting the skin depth of the fire needle penetrating into the acupuncture point is fulfilled.

Optionally, in some embodiments, an axial return spring 7 is arranged between the outer needle cylinder and the fire needle body 5, and the front end of the fire needle body 5 is retracted into the outer needle cylinder under the action of the return spring 7. The fire needle body 5 is pressed forwards from the rear end of the fire needle body 5, so that the fire needle body 5 extends out of the outer needle cylinder through the pore canal.

It should be noted that the return spring 7 is installed in a plurality of ways, and those skilled in the art can set the way as required. The return spring 7 may be a compression spring or a tension spring. As shown in fig. 4 to 7, when the return spring 7 is a compression spring, the mounting manner thereof includes, but is not limited to, the following four types:

the first type of reset spring 7 is sleeved on the fire needle body 5, a baffle 82 is fixed on the fire needle body 5, a third limiting part is arranged in the grab handle barrel 1, and the reset spring 7 is positioned between the baffle 82 and the third limiting part; the outer needle cylinder also comprises a tail cover 2, and the tail cover 2 is detachably arranged at the rear end of the grab handle cylinder 1; when the fire needle body 5 moves backwards in the outer needle cylinder until the baffle 82 abuts against the tail cover 2, the fire needle body 5 cannot move backwards relative to the outer needle cylinder; after the tail cap 2 is removed from the handle barrel 1, the fire needle body 5 can be pulled out from the outer needle cylinder from the rear end of the handle barrel 1.

The second type, the grab handle barrel 1 is internally provided with a baffle 82 capable of moving forwards and backwards, the baffle 82 is provided with a central through hole, the fire needle body 5 operably penetrates through the central through hole of the baffle 82, the fire needle body 5 is provided with a baffle step used for limiting the baffle 82, the return spring 7 is sleeved on the fire needle body 5, the baffle 82 is positioned between the return spring 7 and the baffle step, the grab handle barrel 1 is internally provided with a third limiting part, and the return spring 7 is positioned between the baffle 82 and the third limiting part; when the return spring 7 pushes the baffle 82 to move backwards, the baffle 82 pushes the baffle step to drive the fire needle body 5 to move backwards;

the handle barrel 1 is internally provided with a fourth positioning part, and when the baffle 82 moves backwards in the outer needle cylinder until the baffle 82 abuts against the fourth positioning part, the baffle 82 can not move backwards relative to the outer needle cylinder.

Third, a catch 82 capable of moving back and forth is arranged in the grab handle barrel 1, the catch 82 is provided with a central through hole, the fire needle body 5 operably penetrates through the central through hole of the catch 82, the fire needle body 5 is provided with a catch step used for limiting the catch 82, the return spring 7 is sleeved on the fire needle body 5, the catch 82 is positioned between the return spring 7 and the catch step, the grab handle barrel 1 is internally provided with a third limiting part, and the return spring 7 is positioned between the catch 82 and the third limiting part; when the return spring 7 pushes the baffle 82 to move backwards, the baffle 82 pushes the baffle step to drive the fire needle body 5 to move backwards;

the outer needle cylinder also comprises a tail cover 2, and the tail cover 2 is detachably arranged at the rear end of the grab handle cylinder 1; when the blocking piece 82 moves backward in the outer cylinder until the blocking piece 82 abuts against the tail cover 2, the blocking piece 82 cannot move backward relative to the outer cylinder.

Fourth, as shown in fig. 7, the return spring 7 is located outside the rear end of the outer needle cylinder, the return spring 7 is sleeved on the fire needle body 5, the fire needle body 5 is provided with a limiting part for supporting the return spring 7, and the return spring 7 is located between the rear end part of the outer needle cylinder and the limiting part of the fire needle body 5.

The third limiting part can be used for positioning mechanisms such as a step and a spigot structure, and the third limiting part can be formed integrally with the grab handle barrel 1 or can be an independent part fixedly arranged in the grab handle barrel 1.

Optionally, in some embodiments, in order to achieve automatic heating of the fire needle body 5, the fire needle apparatus further includes a heating tube 6, the heating tube 6 is installed inside the handle barrel 1, and the handle barrel 1 has a wire port 11 for power supply and the like, and the fire needle body 5 is operatively penetrated through the heating tube 6. In particular, when the return spring 7 is provided, the rear end of the heating tube 6 constitutes a third limit portion for abutting against the return spring 7, so that an additional limit structure can be avoided, and the structure of the appliance can be simplified.

Optionally, in some embodiments, a heat insulation ring 9 is arranged between the outer wall of the heating tube 6 and the inner wall of the grab handle barrel 1, and a heat insulation sheet 81 is arranged at the rear end of the heating tube 6. The heat insulation ring 9 can be made of heat insulation and electric resistance materials such as ceramic heat insulation rings, and can ensure safe work of the fire needle. In particular, when the return spring 7 and the blocking piece 82 are provided, the heat insulating piece 81 constitutes a third limit portion for abutting against the return spring 7, and the return spring 7 is located between the blocking piece 82 and the heat insulating piece 81.

Optionally, in some embodiments, in order to facilitate detecting the temperature of the fire needle body 5, a temperature sensing component is installed on the outer needle cylinder, and the installation position of the temperature sensing component is not unique, and can be set according to needs, so long as the temperature of the fire needle body 5 can be detected.

In particular, in some embodiments, as shown in fig. 8 and 10, the temperature sensing part includes an annular temperature sensing piece 10, and the temperature sensing piece 10 is coaxially mounted at the front end of the handle barrel 1 and is positioned at the end of the heating tube 6, and the fire needle body 5 passes through the air of the temperature sensing piece 10. In particular, the inner diameter of the temperature sensing piece 10 is adapted to the outer diameter of the fire needle body 5, so that the temperature of the fire needle body 5 can be detected more accurately.

Alternatively, in some embodiments, as shown in fig. 9, the fire needle body 5 includes a needle 52, a needle shaft 51, and a pressing handle 53 disposed in this order from front to back, the diameters of the needle 52, the needle shaft 51, and the pressing handle 53 being sequentially increased. The front end of the depth adjusting cylinder is provided with a needle hole matched with the needle head 52, the needle rod 51 is matched with the heating tube 6, and the pressing handle 53 is matched with the tail hole of the tail cover 2.

In particular, the step at the junction of needle 52 and needle shaft 51 forms the second positioning portion, and the inner step is provided in grip barrel 1 to form the first positioning portion. When the stopper 82 is provided, a step at the junction of the needle bar 51 and the pressing handle 53 may constitute a stopper step.

The needle 52 and the needle rod 51 are preferably manufactured integrally, and the needle 52 and the needle rod 51 can be made of heat-conducting metal, such as black alloy, so that the temperature can be quickly increased under the condition of heating, the temperature required for treatment can be reached in a short time, and the temperature can be quickly restored after the needle is withdrawn from the skin, thereby being beneficial to preparing for the next treatment.

Pressing handle 53 is the point of needle tail grip, pressing handle 53 may optionally be made of a thermally insulating material, such as a ceramic thermally insulating material. The needle 52 can return to the inside of the outer syringe under the action of the return spring 7; by pressing the pressing handle 53 at the end of the tail cap 2, the needle 52 can be extended forward.

The pressing handle 53 and the needle rod 51 can be detachably connected in a common manner, such as plugging a jack, screwing, etc.

Optionally, in some embodiments, as shown in fig. 2, 3 and 10, a scale mark 12 for marking the front-back adjustment distance of the depth adjustment barrel is arranged on the outer wall of the handle barrel 1; when the depth adjusting cylinder is rotated to align the rear end of the depth adjusting cylinder with the forefront scale of the scale mark 12, the fire needle body 5 is moved forward in the outer needle cylinder until the second positioning part abuts against the first positioning part, and the front end of the fire needle body 5 is exactly aligned with the front end of the depth adjusting cylinder. With this structure, the distance of the rearward screwing depth adjusting cylinder corresponds to the maximum depth to which the fire needle body 5 can penetrate the skin, so that the depth to which the fire needle can penetrate at this time can be known by observing the scale mark 12.

The scale marks 12 are reasonably arranged according to the needs. Normally, the scale mark 12 can meet basic requirements within the range of 0-6mm, and the graduation value can be 1mm; as shown in fig. 3, the scale zero is located at the forefront of the scale mark 12. In particular, the rear end of the depth adjustment barrel is tapered 30 for ease of reading.

Alternatively, in some embodiments, the depth adjustment barrel is divided into two parts, a depth adjustment knob stem 3 and a needle port end 4, respectively.

As shown in fig. 11 and 12, the depth adjustment knob stem 3 has a cylindrical shape, the depth adjustment knob stem 3 has a first threaded section 31 and a second threaded section 32, and the rear end of the depth adjustment knob stem 3 has a tapered shape 30.

As shown in fig. 4, 13, 14 and 4, the needle opening end 4 is hollow, the needle opening end 4 comprises a threaded cylinder 42 and a front end cover 41, the front end cover 41 is positioned at the front end of the threaded cylinder 42 and is integrally manufactured with the threaded cylinder 42, and the front end cover 41 is provided with a needle hole 43 matched with the front end of the fire needle body 5. In particular, the aperture of the needle hole 43 is 1.6mm, and can be adapted to a needle having a diameter of 0.3mm to 1.5 mm.

As shown in fig. 10, the front end of the depth adjustment knob stem 3 has a front threaded section 13. The depth adjusting knob handle 3 is in threaded fit with the front threaded section 13 of the front end of the grab handle barrel 1 through the first threaded section 31, and the rear end of the depth adjusting knob handle 3 is in threaded fit with the threaded barrel 42 through the second threaded section 32. Alternatively, in some embodiments, the first thread segments 31 are internal threads and the second thread segments 32 are external threads.

The front end of the grab handle barrel 1 is provided with an outer step, when the front end face of the depth adjusting knob handle 3 or the inner step of the depth adjusting knob handle 3 is propped against the outer step of the grab handle barrel 1, the depth adjusting knob handle 3 can not be screwed forward relative to the grab handle barrel 1, and at the moment, the outer needle cylinder is adjusted to be longest; when the front end cover 41 is propped against the front end of the grab handle barrel 1, the depth adjusting knob handle 3 can not be screwed backwards relative to the grab handle barrel 1, and the outer needle cylinder is adjusted to be the shortest.

In particular, when the depth adjusting knob handle 3 is rotated to adjust the outer cylinder to the longest, the fire needle body 5 moves forward in the outer cylinder until the second positioning portion abuts against the first positioning portion, the fire needle body 5 is pushed forward to the maximum stroke, and the front end of the fire needle body 5 is aligned with the front end of the needle opening end 4. At this time, the adjusting range of the depth of the fire needle penetrating into the skin tissue under the skin is exactly consistent with the length adjusting range of the outer needle cylinder.

Taking the length change range of the outer needle cylinder as an example of 0-6mm, the corresponding penetration depth of the fire needle can be adjusted within the range of 0-6mm, and the depth of the fire needle penetrating into subcutaneous skin tissue is 6mm at maximum. The depth adjusting knob handle 3 at the end part of the rotary grab handle barrel 1 can be used for stepless adjustment of the penetration depth of the fire needle according to the requirements, and the fire needle penetrating device is convenient to use.

Alternatively, in some embodiments, the outer step of the grip barrel 1 is sleeved with a damping ring 14, as shown in fig. 15, the damping ring 14 being annular. When the front end surface of the depth adjusting knob handle 3 or the inner step of the depth adjusting knob handle 3 is propped against the outer step of the grab handle barrel 1, the front end surface or the inner step of the depth adjusting knob handle directly butts against the damping ring 14, and the damping ring 14 can play a role in buffering.

Optionally, in some embodiments, the heating tube 6 is made of carbon fiber, and the heating temperature of the heating tube is 200-700 ℃; such as temperature for the stainless steel filiform needle to burn and turn white by alcohol.

Optionally, in some embodiments, as shown in fig. 16, a fire needle device capable of controlling the penetration depth of the needle into the skin further comprises a control box 15, wherein the control box 15 comprises a controller and a power switch, the temperature sensing component and the heating tube 6 in the outer needle cylinder are electrically connected with the control box 15 through wires, and the control box 15 is connected with a power plug. The heat resistance and electricity resistance materials are wound outside the lead, so that the current of the lead can be ensured to smoothly reach the heating tube 6; the wire can be a teflon silver-plated wire. When in use, the power plug can be connected with 220-240V alternating current standard voltage in civil 220V area, and closed power supply is formed by related facilities such as a power switch, a power line, lightning protection facilities and the like.

The control box 15 converts civil 220V alternating current into direct current working voltage through transformer isolation, rectification, filtering and depressurization, the working voltage range of the heating tube 6 is smaller than 36V of human body safety voltage, and safety and reliability are ensured when the control box is used.

A temperature adjusting part, a power switch, a temperature adjusting part, a heating tube 6 and a temperature sensing part can be arranged on the control box 15 and are all connected with the controller. The heating temperature of the heating tube 6 can be adjusted in real time by the temperature adjusting part, and it is worth noting that the temperature control range of the heating tube is determined according to the treatment requirement. The temperature adjusting part can be in a knob type, a touch screen type or a button type. In the case of a knob, the temperature control range of 200-700 ℃ can be preferably satisfied to satisfy the use requirement.

A method for using a fire needle device capable of controlling the penetration depth of a needle into skin, which comprises the following steps:

the 220v power supply is connected, the heating tube 6 is heated up rapidly under the condition of current, and the temperature is conducted to the needle 52, so that the needle 52 reaches the required temperature, and the temperature range is adjusted according to the requirement;

after cleaning and disinfecting skin in a diagnosis and treatment area, placing a fire needle in the area to be treated, and using a finger to spring the pressing handle 53 protruding out of the tail cover 2 generally by using an index finger to push the fire needle into the skin rapidly so as to achieve the treatment area and achieve the treatment purpose;

when the fire needle is pushed to the treatment area, after the aim of treatment is achieved, the operator releases the pressing handle 53, and the needle 52 leaves the treatment area under the action of the reset spring 7 and gradually approaches the skin surface, and finally leaves the skin to enter the needle opening end 4, so that one-time closed treatment is completed.

Except for the needle 52 and the needle shaft 51, the non-disposable device is cleaned, disinfected and sterilized after being used for the next use. In the specific application, the number of repeated use times of the fire needle is determined according to the policy and regulations of the region where the fire needle is positioned and the manufacturing cost is combined, so that the fire needle is gradually used once.

Needle 52 and needle shaft 51 are disposable devices that can be separately provided with an outer package or can be packaged with existing filiform needles. When in use, the needle is taken out and inserted into the outer needle cylinder.

The method can control the temperature of the needle head and the depth of the needle head entering the subcutaneous treatment region in the fire needle treatment, is favorable for standardized acquisition of clinical data of the fire needle treatment suitable for symptoms, is favorable for the application and popularization of the fire needle treatment technology, is favorable for the exertion of the suitable technical characteristic advantages, and can promote the development of the traditional Chinese medicine health industry.

The foregoing detailed description has set forth the objectives, technical solutions and advantages of the present application in further detail, but it should be understood that the foregoing is only illustrative of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims (10)

1. A fire needle device capable of controlling the penetration depth of a needle into skin, which is characterized in that: comprising the following steps:

the outer needle cylinder comprises a grab handle cylinder (1) and a depth adjusting cylinder, the depth adjusting cylinder is in threaded connection with the front end of the grab handle cylinder (1), and the axial length of the outer needle cylinder can be adjusted by screwing the depth adjusting cylinder;

the fire needle body (5) is movably arranged in the outer needle cylinder, the fire needle body (5) can move back and forth in the outer needle cylinder, and the length of the fire needle body (5) is longer than that of the outer needle cylinder;

a first positioning part is arranged in the grab handle barrel (1), and the fire needle body (5) is provided with a second positioning part which is matched with the first positioning part; when the fire needle body (5) moves forwards in the outer needle cylinder until the second positioning part abuts against the first positioning part, the fire needle body (5) cannot move forwards relative to the outer needle cylinder, and the fire needle body (5) moves forwards in the outer needle cylinder.

2. A fire needle device for controlling the penetration depth of a needle into the skin according to claim 1, wherein: an axial reset spring (7) is arranged between the outer needle cylinder and the fire needle body (5), and the front end of the fire needle body (5) is retracted into the outer needle cylinder under the action of the reset spring (7).

3. A fire needle device for controlling the penetration depth of a needle into skin according to claim 2, wherein: the reset spring (7) is provided with the following four modes:

the first type of reset spring (7) is sleeved on the fire needle body (5), a baffle (82) is fixed on the fire needle body (5), a third limiting part is arranged in the grab handle barrel (1), and the reset spring (7) is positioned between the baffle (82) and the third limiting part; the outer needle cylinder also comprises a tail cover (2), and the tail cover (2) is detachably arranged at the rear end of the grab handle cylinder (1); when the fire needle body (5) moves backwards in the outer needle cylinder until the baffle (82) abuts against the tail cover (2), the fire needle body (5) cannot move backwards relative to the outer needle cylinder; after the tail cover (2) is taken down from the grab handle cylinder (1), the fire needle body (5) can be pulled out from the outer needle cylinder from the rear end of the grab handle cylinder (1);

the second type, a baffle (82) capable of moving forwards and backwards is arranged in the grab handle cylinder (1), the baffle (82) is provided with a central through hole, the fire needle body (5) operably penetrates through the central through hole of the baffle (82), the fire needle body (5) is provided with a baffle step used for limiting the baffle (82), the fire needle body (5) is sleeved with a return spring (7), the baffle (82) is positioned between the return spring (7) and the baffle step, the grab handle cylinder (1) is internally provided with a third limiting part, and the return spring (7) is positioned between the baffle (82) and the third limiting part; the fire needle body (5) is pushed forward, the baffle step pushes the baffle plate (82) to move forward so as to compress the return spring (7), and when the return spring (7) pushes the baffle plate (82) to move backward, the baffle plate (82) pushes the baffle plate step to drive the fire needle body (5) to move backward; a fourth positioning part is arranged in the grab handle cylinder (1), and when the baffle (82) moves backwards in the outer needle cylinder until the baffle (82) abuts against the fourth positioning part, the baffle (82) can not move backwards continuously relative to the outer needle cylinder;

third, a baffle (82) capable of moving forwards and backwards is arranged in the grab handle cylinder (1), a center through hole is formed in the baffle (82), the fire needle body (5) operably penetrates through the center through hole of the baffle (82), a baffle step used for limiting the baffle (82) is arranged on the fire needle body (5), a return spring (7) is sleeved on the fire needle body (5), the baffle (82) is positioned between the return spring (7) and the baffle step, a third limiting part is arranged in the grab handle cylinder (1), and the return spring (7) is positioned between the baffle (82) and the third limiting part; the fire needle body (5) is pushed forward, the baffle step pushes the baffle plate (82) to move forward so as to compress the return spring (7), and when the return spring (7) pushes the baffle plate (82) to move backward, the baffle plate (82) pushes the baffle plate step to drive the fire needle body (5) to move backward;

the outer needle cylinder also comprises a tail cover (2), and the tail cover (2) is detachably arranged at the rear end of the grab handle cylinder (1); when the baffle (82) moves backwards in the outer needle cylinder until the baffle (82) abuts against the tail cover (2), the baffle (82) cannot move backwards relative to the outer needle cylinder;

fourth, reset spring (7) is located outside the outer cylinder rear end, reset spring (7) cover is on fire needle body (5), has the spacing portion owing to support reset spring (7) on fire needle body (5), and reset spring (7) are located between the spacing portion of outer cylinder rear end tip and fire needle body (5).

4. A fire needle apparatus for controlling the penetration depth of a needle into the skin according to any one of claims 1 to 3, wherein: the fire needle is characterized by further comprising a heating tube (6), wherein the heating tube (6) is arranged in the grab handle barrel (1), a wire guide opening (11) is formed in the grab handle barrel (1), and the fire needle body (5) can operatively pass through the heating tube (6);

a heat insulation ring (9) is arranged or not arranged between the outer wall of the heating tube (6) and the inner wall of the grab handle barrel (1), and a heat insulation sheet (81) is arranged or not arranged at the rear end of the heating tube (6).

5. A fire needle device for controlling the depth of penetration of a needle into skin as defined in claim 4, wherein: the grab handle barrel (1) is provided with a temperature sensing component for detecting the temperature of the fire needle body (5).

6. A fire needle device for controlling the depth of penetration of a needle into skin as defined in claim 5, wherein: the intelligent heating device further comprises a control box (15), wherein the control box (15) comprises a controller, a power switch and a temperature adjusting part, and the power switch, the temperature adjusting part, the heating tube (6) and the temperature sensing part are all connected with the controller.

7. A fire needle device for controlling the depth of penetration of a needle into skin as defined in claim 4, wherein: the fire needle body (5) comprises a needle head (52), a needle rod (51) and a pressing handle (53) which are sequentially arranged from front to back, and the diameters of the needle head (52), the needle rod (51) and the pressing handle (53) are sequentially increased;

the front end of the depth adjusting cylinder is provided with a needle hole (43) matched with the needle head (52), the needle rod (51) is matched with the heating tube (6), and the pressing handle (53) is matched with a tail hole of the tail cover (2);

the step at the joint of the needle head (52) and the needle rod (51) forms the second positioning part,

an inner step is arranged in the grab handle barrel (1) to form the first positioning part.

8. A fire needle device for controlling the penetration depth of a needle into the skin according to claim 1, wherein: the depth adjusting cylinder is divided into two parts, namely a depth adjusting knob handle (3) and a needle opening end (4);

the depth adjusting knob handle (3) is cylindrical, the needle opening end (4) comprises a threaded cylinder (42) and a front end cover (41), the front end cover (41) is positioned at the front end of the threaded cylinder (42) and is integrally manufactured with the threaded cylinder (42), and the front end cover (41) is provided with a needle hole (43) which is matched with the front end of the fire needle body (5);

the depth adjusting knob handle (3) is in threaded fit with a front threaded section (13) at the front end of the grab handle barrel (1) through a first threaded section (31), and the rear end of the depth adjusting knob handle (3) is in threaded fit with a threaded barrel (42) through a second threaded section (32);

the front end of the grab handle barrel (1) is provided with an outer step, when the front end face of the depth adjusting knob handle (3) or the inner step of the depth adjusting knob handle (3) is propped against the outer step of the grab handle barrel (1), the depth adjusting knob handle (3) can not be screwed forwards relative to the grab handle barrel (1), and at the moment, the outer needle cylinder is adjusted to be longest; when the front end cover (41) is propped against the front end of the grab handle barrel (1), the depth adjusting knob handle (3) can not be screwed backwards relative to the grab handle barrel (1), and the outer needle cylinder is adjusted to be the shortest;

the outer step of the grab handle barrel (1) is provided with or without a damping ring (14).

9. A fire needle device for controlling the penetration depth of a needle into skin according to claim 8, wherein: when the outer needle cylinder is regulated to the longest by rotating the depth regulating knob handle (3), the fire needle body (5) is moved forwards in the outer needle cylinder until the second positioning part is propped against the first positioning part, and the front end of the fire needle body (5) is just aligned with the front end of the needle opening end (4).

10. A fire needle device capable of controlling the penetration depth of a needle into skin according to any one of claims 1-3 and 5-9, wherein: the outer wall of the grab handle barrel (1) is provided with a scale mark (12) for marking the front-back adjusting distance of the depth adjusting barrel;

when the depth adjusting cylinder is rotated to enable the rear end of the depth adjusting cylinder to be aligned with the forefront scale of the scale mark (12), the fire needle body (5) is moved forwards in the outer needle cylinder until the second positioning part abuts against the first positioning part, and the front end of the fire needle body (5) is just aligned with the front end of the depth adjusting cylinder.

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