CN213665707U - Easily-folded laser treatment smoking device - Google Patents

Easily-folded laser treatment smoking device Download PDF

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Publication number
CN213665707U
CN213665707U CN202021372339.1U CN202021372339U CN213665707U CN 213665707 U CN213665707 U CN 213665707U CN 202021372339 U CN202021372339 U CN 202021372339U CN 213665707 U CN213665707 U CN 213665707U
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China
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fixing
sliding
fixing plate
exhaust pipe
smoke exhaust
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CN202021372339.1U
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Chinese (zh)
Inventor
邹彦芬
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Peking University Shenzhen Hospital
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Peking University Shenzhen Hospital
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Abstract

The utility model discloses an easily-folded laser therapy smoking device, which comprises a fixed frame, a telescopic device and a smoke exhaust pipe, wherein the fixed frame is vertically arranged, the top end of the fixed frame is fixed on a roof, and the lower end of the fixed frame is provided with a first fixed plate; the telescopic device is connected to the lower end of the fixing frame, and the lower end of the telescopic device is connected with a second fixing plate; the tub upper end of discharging fume is connected with the smoke extractor, the first fixed plate of lower extreme and the second fixed plate of tub of discharging fume extend to second fixed plate below, the utility model discloses the practicality is strong, extensive applicability, convenient to use, excellent in use effect.

Description

Easily-folded laser treatment smoking device
Technical Field
The utility model relates to the field of medical auxiliary appliances, in particular to an easily folded laser therapy smoking device.
Background
Along with the development of medical technology, laser therapy's application is more extensive, and in laser therapy or produce the smog harmful to the human body, most hospitals all adopt protective mask to protect, but its protection is not thorough, is difficult to completely cut off, and its smog also can cause harm to the patient, consequently partial hospital adopts smoke exhaust ventilator to discharge smog, but its tub position of discharging fume is fixed, and it is inconvenient to use, can't fold up when not using to cause inconvenience.
Therefore, there is a need for further improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model aims to provide an easily folded laser therapy smoking device.
In order to achieve the above object, an easily foldable laser therapy smoking device according to an embodiment of the present invention includes a fixing frame, a telescopic device and a smoke exhaust pipe.
The fixing frame is vertically arranged, the top end of the fixing frame is fixed on a roof, and a first fixing plate is arranged at the lower end of the fixing frame;
the telescopic device is connected to the lower end of the fixing frame, and the lower end of the telescopic device is connected with a second fixing plate;
the upper end of the smoke exhaust pipe is connected with a smoke extractor, and the lower end of the smoke exhaust pipe extends to the lower portion of the second fixing plate through the first fixing plate and the second fixing plate.
In addition, according to the laser therapy smoking device of the above embodiment of the present invention, the laser therapy smoking device can also have the following additional technical features:
according to the utility model discloses an embodiment, be equipped with first pipe hole of crossing on the first fixed plate, first pipe hole runs through whole first fixed plate, be equipped with the second on the second fixed plate and cross the pipe hole, first cross the pipe hole with the second passes the pipe hole and sets up relatively from top to bottom, the pipe lower extreme of discharging fume all passes first pipe hole of crossing with the pipe hole is crossed to the second.
According to the utility model discloses an embodiment, the telescoping device includes two electric telescopic handle, two relative setting about the electric telescopic handle, two the electric telescopic handle upper end install in the both sides face lower extreme of mount, two electric telescopic handle's lower extreme connect respectively in second fixed plate both sides.
According to the utility model discloses an embodiment, the mount includes roof and two curb plates, roof fixed mounting is in the roof, the upper end of both sides board connect respectively in the both ends of roof, two the lower extreme of curb plate connect respectively in both ends about first fixed plate.
According to the utility model discloses an embodiment, be equipped with a first mounting on the lower surface of first fixed plate, first mounting is located one side of first pipe hole of crossing, is used for fixing the pipe of discharging fume.
According to the utility model discloses an embodiment, first mounting includes first slide rail, first sliding part and first card and holds the portion.
The first slide rail is fixedly arranged on the first fixing plate and extends along the left-right direction;
a first sliding groove is formed in the inner side face of the first sliding part and is in sliding fit with the first sliding rail;
one end of the first clamping part is provided with a first arc-shaped opening used for clamping the smoke exhaust pipe, and the other end of the first clamping part is connected with the left end of the first sliding part.
According to an embodiment of the invention, the first sliding part surface is further provided with a first screw for fixing the first sliding part.
According to the utility model discloses an embodiment, be equipped with a second mounting on the upper surface of second fixed plate, the second mounting is located the second and is crossed one side of tube hole, is used for fixing the pipe of discharging fume.
According to the utility model discloses an embodiment, the second mounting includes second slide rail, second sliding part and second card clamping part.
The second slide rail is fixedly arranged on the second fixing plate and extends along the left-right direction;
a second sliding groove is formed in the inner side face of the second sliding part and is in sliding fit with the second sliding rail;
one end of the second clamping part is provided with a second arc-shaped opening used for clamping the smoke exhaust pipe, and the other end of the second clamping part is connected with the left end of the second sliding part.
According to an embodiment of the invention, the second sliding part surface is further provided with a second screw for fixing the second sliding part.
According to the laser therapy smoking device easy to fold provided by the embodiment of the utility model, the first fixing plate and the second fixing plate are arranged to fix the smoke exhaust pipe and extend the smoke exhaust pipe from top to bottom to the upper part of the sickbed so as to suck and discharge the smoke generated during laser therapy, the expansion device is arranged below the fixing frame, the second fixing plate is driven to move up and down by the expansion device, namely, the lower end of the smoke exhaust pipe is driven to move up and down, so that the lower end of the smoke exhaust pipe can be lifted up by the expansion device when the smoke exhaust pipe is not used, other therapies can be conveniently carried out by medical staff, the smoke exhaust pipe is prevented from blocking the smoke exhaust pipe, and when the smoke exhaust pipe is used for smoke exhaust, the lower end of the smoke exhaust pipe can be lowered to the upper part of the sickbed by the expansion device, namely, the smoke generated during laser can be sucked and discharged, the novel clothes hanger is convenient to use, strong in practicability and good in using effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;
fig. 2 is a schematic view of another perspective of the overall structure in the embodiment of the present invention;
FIG. 3 is an enlarged view of the portion A in FIG. 1 according to the embodiment of the present invention;
fig. 4 is an enlarged view of a portion B in fig. 2 according to the embodiment of the present invention.
Reference numerals:
a fixed frame 10;
a first fixing plate 101;
a first via hole 1011;
a top plate 102;
a side plate 103;
a first fixing member 104;
a first slide rail 1041;
a first sliding portion 1042;
a first retaining portion 1043;
a first arcuate port 1044;
a first screw 1045;
a telescoping device 20;
a second fixing plate 201;
a second tube through bore 2011;
an electric telescopic rod 202;
a second fixing member 203;
a second slide rail 2031;
the second sliding portion 2032;
a second catching portion 2033;
a second arcuate aperture 2034;
a second screw 2035;
a smoke exhaust pipe 30.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The laser therapy smoking device easy to fold according to the embodiment of the present invention will be described in detail with reference to the attached drawings.
Referring to fig. 1 to 4, an easily foldable laser therapy smoking device according to an embodiment of the present invention includes a fixing frame 10, a telescopic device 20 and a smoke exhaust pipe 30.
The fixing frame 10 is vertically arranged, the top end of the fixing frame 10 is fixed on a roof, and a first fixing plate 101 is arranged at the lower end of the fixing frame 10;
the telescopic device 20 is connected to the lower end of the fixed frame 10, and the lower end of the telescopic device 20 is connected with a second fixed plate 201;
the upper end of the smoke exhaust pipe 30 is connected with a smoke extractor, and the lower end of the smoke exhaust pipe 30 extends to the lower part of the second fixing plate 201 through the first fixing plate 101 and the second fixing plate 201.
Based on the above, by arranging the first fixing plate 101 and the second fixing plate 201, the smoke exhaust pipe 30 is fixed and extends from top to bottom to the upper side of the hospital bed, so as to suck and exhaust the smoke generated during laser treatment, and by arranging the telescopic device 20 below the fixing frame 10, the telescopic device 20 drives the second fixing plate 201 to move up and down, i.e. drives the lower end of the smoke exhaust pipe 30 to move up and down, so that when the smoke exhaust pipe 30 is not used, the lower end of the smoke exhaust pipe 30 can be lifted up by the telescopic device 20, so that medical personnel can perform other treatments, the smoke exhaust pipe 30 is prevented from blocking the smoke exhaust pipe 30, and when the smoke exhaust pipe 30 is needed to exhaust smoke, the lower end of the smoke exhaust pipe 30 can be lowered to the upper side of the hospital bed by the telescopic device 20, i.e. the smoke generated during laser can be sucked and exhausted, the smoke exhaust pipe 30 is a corrugated pipe which is convenient to stretch and bend.
Preferably, in an implementation of the present invention, a first pipe passing hole 1011 is formed in the first fixing plate 101, the first pipe passing hole 1011 penetrates the whole first fixing plate 101, a second pipe passing hole 2011 is formed in the second fixing plate 201, the first pipe passing hole 1011 and the second pipe passing hole 2011 are arranged relatively from top to bottom, the lower end of the smoke exhaust pipe 30 is passed through the first pipe passing hole 1011 and the second pipe passing hole 2011.
So, through set up on the first fixed plate 101 first tub of hole 1011 set up on the second fixed plate 201 the second passes through pipe hole 2011, just discharge fume and manage 30 lower extreme and all pass first tub of hole 1011 with second tub of hole 2011, so, can pass through first tub of hole 1011 with second tub of hole 2011 is right discharge fume pipe 30 pulls and spacing, avoids discharge fume pipe 30 can not be mixed and disorderly, makes its installation more pleasing to the eye, and can avoid too much buckling and cause the damage.
Preferably, in an embodiment of the present invention, the telescopic device 20 includes two electric telescopic rods 202, two electric telescopic rods 202 are oppositely disposed at left and right sides, two upper ends of the electric telescopic rods 202 are installed at lower ends of two side surfaces of the fixing frame 10, and two lower ends of the electric telescopic rods 202 are respectively connected to two sides of the second fixing plate 201.
So, because the telescoping device 20 includes two electric telescopic handle 202, and the lower extreme of electric telescopic handle 202 connect respectively in second fixed plate 201 both sides, so can be through two electric telescopic handle 202 drives second fixed plate 201 rises the price for control its more simple and convenient, labour saving and time saving that rises the price.
Preferably, in an embodiment of the present invention, the fixing frame 10 includes a top plate 102 and two side plates 103, the top plate 102 is fixedly installed on a roof, the upper ends of the two side plates 103 are respectively connected to two ends of the top plate 102, and the lower ends of the two side plates 103 are respectively connected to the left and right ends of the first fixing plate 101.
Thus, when the device is installed, the top plate 102 can be fixed on a roof through fixing screws, the upper ends of the two side plates 103 are respectively connected to two ends of the top plate 102, and the lower ends of the two side plates 103 are respectively connected to the left end and the right end of the first fixing plate 101, so that the side plates 103 and the first fixing plate 101 can be suspended in the air, and meanwhile, the telescopic device 20 and the second fixing plate 201 are suspended in the air, so that the lower end of the smoke exhaust pipe 30 can be pulled to extend above a hospital bed, and smoke generated during an operation can be sucked and exhausted.
Preferably, the lower end of the smoke exhaust pipe 30 is further connected with a smoke suction head, the smoke suction head is in a horn shape, the lower end of the smoke suction head is formed into a closed end, the upper end of the smoke suction head is connected to the lower end of the smoke exhaust pipe 30, a plurality of smoke suction holes are uniformly distributed in the closed end of the smoke suction head, and the smoke suction holes are communicated with a channel inside the smoke exhaust pipe 30, so that the smoke suction range can be enlarged, the suction force can be increased, and the suction effect is better.
Preferably, according to an embodiment of the present invention, a first fixing member 104 is disposed on a lower surface of the first fixing plate 101, and the first fixing member 104 is disposed on one side of the first pipe hole 1011 for fixing the smoke discharge pipe 30.
So, through setting up first mounting 104, can be right discharge fume the pipe 30 and pass first tub of hole 1011's part is fixed, avoids when second fixed plate 201 rises, discharge fume the pipe 30 and be located first tub of 30 parts of discharging fume that pass above the hole 1011 take place to buckle to cause the damage.
Preferably, in an embodiment of the present invention, the first fixing element 104 includes a first slide rail 1041, a first sliding part 1042 and a first clamping part 1043.
The first slide rail 1041 is fixedly arranged on the first fixing plate 101, and the first slide rail 1041 extends along the left-right direction;
a first sliding groove is formed in the inner side surface of the first sliding portion 1042, and the first sliding groove is in sliding fit with the first sliding rail 1041;
one end of the first clamping portion 1043 is provided with a first arc-shaped port 1044 for clamping the smoke exhaust pipe 30, and the other end of the first clamping portion 1043 is connected with the left end of the first sliding portion 1042.
Thus, since the first sliding groove is in sliding fit with the first sliding rail 1041, and the first clamping portion 1043 is connected to the left end of the first sliding portion 1042, then the first clamping portion 1043 can be driven to move left and right by sliding the first sliding portion 1042, so as to realize clamping and loosening of the smoke exhaust pipe 30, and since the first arc port 1044 is arranged at one end of the first clamping portion 1043, the first arc port 1044 can be adapted to the outer contour of the smoke exhaust pipe 30, and the smoke exhaust pipe 30 is a flexible and curved corrugated pipe, then the first arc port 1044 can be clamped at the concave portion of the corrugation of the smoke exhaust pipe 30, so as to realize fixing of the smoke exhaust pipe 30.
Preferably, in an embodiment of the present invention, a first screw 1045 is further disposed on a surface of the first sliding portion 1042 to fix the first sliding portion 1042.
Thus, since the surface of the first sliding portion 1042 is further provided with the first screw 1045 for fixing the first sliding portion 1042, the first screw 1045 can be rotated to fix the first sliding portion 1042, when fixing is required, only the first screw 1045 needs to be screwed down, so that the end of the first screw 1045 abuts against the surface of the first slide rail 1041, and the first sliding portion 1042 can be fixed, and the fixing manner is simple and reliable.
Preferably, in an embodiment of the present invention, a second fixing member 203 is disposed on an upper surface of the second fixing plate 201, and the second fixing member 203 is disposed on one side of the second pipe through hole 2011 for fixing the smoke exhaust pipe 30.
So, through setting up second mounting 203, can be right tub 30 of discharging fume passes the part of second pipe hole 2011 is fixed, makes tub 30 lower extreme of discharging fume stretches out the part of second fixed plate 201 is fixed, avoids stretching out overlength contact to the patient, or stretches out the fruit and absolutely and influence the effect of drawing the cigarette, simultaneously, also passes through first fixed plate 101 with second fixed plate 201 is right respectively the both sides of tub 30 of discharging fume are fixed, so, work as through electric telescopic handle 202 is adjusted first fixed plate 101 with the interval of second fixed plate 201, thereby make it is located to discharge fume tub 30 first fixed plate 101 with part between the second fixed plate 201 contracts or extends.
Preferably, in an embodiment of the present invention, the second fixing member 203 includes a second sliding rail 2031, a second sliding part 2032 and a second clamping part 2033.
The second sliding rail 2031 is fixedly disposed on the second fixing plate 201, and the second sliding rail 2031 extends along the left-right direction;
a second sliding groove is formed in the inner side surface of the second sliding portion 2032, and the second sliding groove is in sliding fit with the second sliding rail 2031;
one end of the second clamping portion 2033 is provided with a second arc-shaped opening 2034 for clamping the smoke exhaust pipe 30, and the other end of the second clamping portion 2033 is connected to the left end of the second sliding portion 2032.
Thus, since the second sliding groove is in sliding fit with the second sliding rail 2031, and the second clamping portion 2033 is connected to the left end of the second sliding portion 2032, the second clamping portion 2033 can be driven to move left and right by sliding the second sliding portion 2032, so as to realize that the clamping of the smoke exhaust pipe 30 is released, and since one end of the second clamping portion 2033 is provided with the second arc-shaped opening 2034, the second arc-shaped opening 2034 can be adapted to the outer contour of the smoke exhaust pipe 30, and the smoke exhaust pipe 30 is a flexible and curved corrugated pipe, so as to realize that the second arc-shaped opening 2034 is clamped to the recessed portion of the corrugation of the smoke exhaust pipe 30, thereby fixing the smoke exhaust pipe 30.
Preferably, in an embodiment of the present invention, the second sliding portion 2032 is further provided with a second screw 2035 on a surface thereof for fixing the second sliding portion 2032.
In this way, since the second screw 2035 for fixing the second sliding portion 2032 is further disposed on the surface of the second sliding portion 2032, the second screw 2035 can be rotated to fix the second sliding portion 2032, and when the second sliding portion 2032 needs to be fixed, the second screw 2035 is only screwed down to make the end of the second screw abut against the surface of the second slide rail 2031, so that the second sliding portion 2032 can be fixed, and the fixing manner is simple and reliable.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. An easily collapsible laser therapy smoking device, comprising:
the fixing frame is vertically arranged, the top end of the fixing frame is fixed on a roof, and a first fixing plate is arranged at the lower end of the fixing frame;
the telescopic device is connected to the lower end of the fixing frame, and the lower end of the telescopic device is connected with a second fixing plate;
the upper end of the smoke exhaust pipe is connected with a smoke extractor, and the lower end of the smoke exhaust pipe penetrates through the first fixing plate and the second fixing plate and extends to the position below the second fixing plate.
2. The easily collapsible laser therapy smoking device according to claim 1, wherein the first fixing plate is provided with a first through hole, the first through hole penetrates through the whole first fixing plate, the second fixing plate is provided with a second through hole, the first through hole and the second through hole are arranged in an up-down opposite manner, and the lower end of the smoke exhaust pipe penetrates through the first through hole and the second through hole.
3. The laser therapy smoking device easy to fold as claimed in claim 1, wherein the telescopic device comprises two electric telescopic rods, the two electric telescopic rods are oppositely arranged at left and right sides, the upper ends of the two electric telescopic rods are mounted at the lower ends of two side surfaces of the fixed frame, and the lower ends of the two electric telescopic rods are respectively connected to two sides of the second fixed plate.
4. The laser therapy smoking device easy to fold as claimed in claim 1, wherein the fixing frame comprises a top plate and two side plates, the top plate is fixedly installed on a roof, the upper ends of the two side plates are respectively connected to the two ends of the top plate, and the lower ends of the two side plates are respectively connected to the left end and the right end of the first fixing plate.
5. The easily collapsible laser therapy smoking device of claim 1, wherein a first fixing member is disposed on a lower surface of the first fixing plate, and the first fixing member is disposed on one side of the first through hole for fixing the smoke discharge pipe.
6. The collapsible laser therapy smoking device of claim 5, wherein the first securing member comprises:
the first sliding rail is fixedly arranged on the first fixing plate and extends along the left-right direction;
the inner side surface of the first sliding part is provided with a first sliding groove, and the first sliding groove is in sliding fit with the first sliding rail;
the smoke exhaust pipe clamping device comprises a first clamping part, wherein one end of the first clamping part is provided with a first arc-shaped opening for clamping the smoke exhaust pipe, and the other end of the first clamping part is connected with the left end of a first sliding part.
7. The laser therapy smoking device of claim 6, wherein the first sliding part surface is further provided with a first screw for fixing the first sliding part.
8. The laser therapy smoking device easy to fold as claimed in claim 1, wherein a second fixing member is disposed on the upper surface of the second fixing plate, and the second fixing member is disposed on one side of the second through hole for fixing the smoke discharge pipe.
9. The collapsible laser therapy smoking device of claim 8, wherein the second securing member comprises:
the second slide rail is fixedly arranged on the second fixing plate and extends along the left-right direction;
the inner side surface of the second sliding part is provided with a second sliding groove, and the second sliding groove is in sliding fit with the second sliding rail;
and one end of the second clamping part is provided with a second arc-shaped opening for clamping the smoke exhaust pipe, and the other end of the second clamping part is connected with the left end of the second sliding part.
10. The collapsible laser therapy smoking device of claim 9, wherein the second sliding portion surface is further provided with a second screw for fixing the second sliding portion.
CN202021372339.1U 2020-07-13 2020-07-13 Easily-folded laser treatment smoking device Active CN213665707U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021372339.1U CN213665707U (en) 2020-07-13 2020-07-13 Easily-folded laser treatment smoking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021372339.1U CN213665707U (en) 2020-07-13 2020-07-13 Easily-folded laser treatment smoking device

Publications (1)

Publication Number Publication Date
CN213665707U true CN213665707U (en) 2021-07-13

Family

ID=76725420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021372339.1U Active CN213665707U (en) 2020-07-13 2020-07-13 Easily-folded laser treatment smoking device

Country Status (1)

Country Link
CN (1) CN213665707U (en)

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