CN212308077U - Root canal swinging and washing machine head - Google Patents

Abstract

The utility model provides a root canal swings and washes aircraft nose, relates to dental medical instrument technical field, including the work point, casing and set up the input gear case subassembly that just connects gradually in the casing, shaft coupling subassembly and eccentric vibration subassembly, the input of input gear case subassembly is used for being connected with the motor of root canal therapy handle, the output and the work point of eccentric vibration subassembly are connected to the motor that makes root canal therapy handle can loop through input gear case subassembly, shaft coupling subassembly and eccentric vibration subassembly drive the work point work. This root canal swinging washing aircraft nose can swing with root canal therapy handle adaptation and wash with the root canal to reduce root canal therapy instrument's occupation space and manufacturing cost.

Description

Root canal swinging and washing machine head

Technical Field

The utility model relates to a dental medical instrument technical field particularly, relates to a root canal swings washes aircraft nose.

Background

At present, two instruments for root canal swinging washing are available on the market, one is that an ultrasonic vibration generator in a handle generates ultrasonic vibration to drive a working tip to vibrate at high frequency; the other type is that a vibration motor in the handle rotates at a high speed to generate high-frequency vibration which is transmitted to the working tip to realize the function of vibration washing.

Because the two structures need the special vibration-generating handle matched with the working tip, the vibration is transmitted to the working tip through the vibration transmission structure, and the purpose of root canal swinging washing is realized. Therefore, when a doctor needs to perform root canal treatment and root canal swinging, two handles are used, and the occupied space and the cost are relatively increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a root canal swings washes aircraft nose can swing the washing with root canal therapy handle adaptation root canal to reduce root canal therapy instrument's occupation space and manufacturing cost.

The embodiment of the utility model is realized like this:

an embodiment of the utility model provides a root canal swing washes aircraft nose, including work point, casing and set up in input gear box subassembly, shaft coupling subassembly and the eccentric vibration subassembly that just connect gradually in the casing, the input of input gear box subassembly is used for being connected with the motor of root canal therapy handle, the output of eccentric vibration subassembly with the work point is connected, so that the motor of root canal therapy handle can loop through the input gear box subassembly the shaft coupling subassembly with the eccentric vibration subassembly drives the work point work. This root canal swinging washing aircraft nose can swing with root canal therapy handle adaptation and wash with the root canal to reduce root canal therapy instrument's occupation space and manufacturing cost.

Optionally, in the preferred embodiment of the present invention, the input gear box assembly includes a gear box body and a coupling, an input shaft and a sliding bearing arranged in the gear box body, the coupling is used for connecting with the motor of the endodontic machine handle, the input shaft is followed the axial direction of the gear box body is arranged, one end of the input shaft is connected with the coupling, the other end is connected with the coupling assembly, the inner sleeve of the sliding bearing is arranged outside the input shaft and the outer ring of the sliding bearing is assembled at the bearing installation position of the gear box body.

Optionally, in a preferred embodiment of the present invention, the input gearbox assembly further comprises an O-ring disposed between the outer race of the sliding bearing and the bearing mounting of the gearbox body.

Optionally, in the preferred embodiment of the present invention, the coupling assembly includes a first coupling and a second coupling that are engaged with each other, and a shock pad disposed between the first coupling and the second coupling, the first coupling sleeve is disposed outside the input shaft and is fixedly connected to the input shaft, and the second coupling is connected to the eccentric vibration assembly.

Optionally, in a preferred embodiment of the present invention, the first coupling is a double-cone coupling, a claw-type elastic block coupling, or an elastic pin-tooth coupling.

Optionally, in the preferred embodiment of the present invention, the eccentric vibration assembly includes a vibration shell and a vibration shaft, a vibration bearing, an eccentric wheel and an output shaft arranged in the vibration shell, the second coupling sleeve is arranged outside the vibration shaft and fixedly connected to one end of the vibration shaft, the other end of the vibration shaft is connected to the eccentric wheel, the vibration bearing sleeve is arranged outside the vibration shaft and between the vibration shell, a gap is formed between the vibration shaft and the vibration shell, and one end of the output shaft is connected to the vibration shell, and the other end of the output shaft is fixedly connected to the working tip.

Optionally, in a preferred embodiment of the present invention, the eccentric vibration component further includes a damping sleeve, and the damping sleeve is disposed outside the vibration shell and connected to the shell.

Optionally, in an embodiment of the present invention, the eccentric vibration component further includes a damping ring and a buckle, the damping ring is sleeved outside the output shaft, the damping ring is clamped between the buckle and the housing, and the buckle is clamped with the housing.

Optionally, in an embodiment of the present invention, the device further includes a silica gel sleeve, and the silica gel sleeve is disposed outside the buckle and the housing.

Optionally, in the preferred embodiment of the present invention, the housing includes a first housing and a second housing, the first housing and the second housing are fixedly connected and enclose to form a containing cavity, and the containing cavity is used for containing the input gear box assembly, the coupling assembly and the eccentric vibration assembly.

The utility model discloses beneficial effect includes:

this root canal swings washes aircraft nose includes the work point, the casing and set up in the casing and the input gear box subassembly that connects gradually, shaft coupling subassembly and eccentric vibration subassembly, the input of input gear box subassembly is used for being connected with the motor of root canal therapy handle, the output and the work point of eccentric vibration subassembly are connected to the motor that makes root canal therapy handle can loop through input gear box subassembly, shaft coupling subassembly and eccentric vibration subassembly and drive the work point work. Swing the root canal and wash the aircraft nose and peg graft in the root canal therapy machine handle, the rotation transmission that loops through the root canal and swing the motor output in the root canal therapy machine handle to the root canal through input gear box subassembly and the shaft coupling subassembly in the root canal therapy machine handle swings the eccentric vibration subassembly in the aircraft nose, the rethread root canal swings the rotation of the motor output in the eccentric vibration subassembly in the washing aircraft nose with the root canal therapy machine handle and turns into high-frequency vibration, the rethread eccentric vibration subassembly transmits high-frequency vibration to the work point, thereby realize that the root canal swings the purpose of washing. Compare in the root canal among the prior art and swing the instrument of washing, the root canal that this application provided is swung and is washed the aircraft nose and can swing with root canal therapy machine handle adaptation and wash the root canal to reduce root canal therapy instrument's occupation space and manufacturing cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a root canal swinging washing machine head provided by an embodiment of the present invention;

fig. 2 is a sectional view of a root canal swinging machine head provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of the first coupling, the second coupling and the shock pad in the root canal oscillation washing machine head provided by the embodiment of the present invention.

Icon: 100-root canal swinging washing machine head; 1-a gearbox body; 2-coupling; 3-an input shaft; 4-a sliding bearing; 5-O-shaped ring; 6-a shock pad; 7-a first coupling; 8-a second coupling; 9-a vibration shaft; 10-a damping sleeve; 11-a vibrating shell; 12-a vibrating bearing; 13-a first housing; 14-a second housing; 15-eccentric wheel; 16-an output shaft; 17-a damping ring; 18-buckling; 19-a silica gel sleeve; 20-the tip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1 to 3, the present embodiment provides a root canal oscillation washing head 100, which includes a tip 20, a housing, and an input gear box assembly, a coupling assembly, and an eccentric vibration assembly disposed in the housing and connected in sequence, wherein an input end of the input gear box assembly is used for being connected to a motor of a handle of a root canal therapy machine, and an output end of the eccentric vibration assembly is connected to the tip 20, so that the motor of the handle of the root canal therapy machine can drive the tip 20 to work sequentially through the input gear box assembly, the coupling assembly, and the eccentric vibration assembly. This root canal swinging washing head 100 can carry out root canal swinging washing with root canal therapy handpiece adaptation to reduce root canal therapy instrument's occupation space and manufacturing cost.

It should be noted that swinging the root canal to wash aircraft nose 100 inserts in the root canal therapy machine handle, loop through the root canal and swing the input gear box subassembly and the shaft coupling subassembly in the washing aircraft nose 100 with the rotation of the motor output in the root canal therapy machine handle and transmit to the root canal and swing the eccentric vibration subassembly in the washing aircraft nose 100, the rethread is swung the eccentric vibration subassembly in the washing aircraft nose 100 and is turned into high-frequency vibration with the rotation of the motor output in the root canal therapy machine handle, the rethread eccentric vibration subassembly transmits high-frequency vibration to work point 20, thereby realize that the root canal swings the mesh of washing.

As described above, this root canal swinging machine head 100 includes the work tip 20, the casing and set up in the casing and the input gear box subassembly, the shaft coupling subassembly and the eccentric vibration subassembly that connect gradually, the input of input gear box subassembly is used for being connected with the motor of root canal therapy machine handle, the output and the work tip 20 of eccentric vibration subassembly are connected to the motor that makes the root canal therapy machine handle can loop through input gear box subassembly, shaft coupling subassembly and eccentric vibration subassembly and drive the work tip 20 work. Swing washing aircraft nose 100 with the root canal and peg graft in the root canal therapy machine handle, the rotation transmission that loops through the root canal and swing the motor output in washing aircraft nose 100 input gear box subassembly and shaft coupling subassembly in the root canal therapy machine handle to the root canal and swing the eccentric vibration subassembly in washing aircraft nose 100, the rethread root canal is swung the rotation of the eccentric vibration subassembly in washing aircraft nose 100 motor output in with the root canal therapy machine handle and is turned into high-frequency vibration, rethread eccentric vibration subassembly transmits high-frequency vibration to work point 20, thereby realize that the root canal swings the purpose of washing. Compare in the root canal among the prior art and swing the instrument of washing, the root canal swing that this application provided washes aircraft nose 100 can swing with root canal therapy machine handle adaptation and wash with the root canal to reduce root canal therapy instrument's occupation space and manufacturing cost.

As shown in fig. 1 and 2, in the present embodiment, the input gearbox assembly includes a gearbox body 1, and a coupling 2, an input shaft 3 and a sliding bearing 4 which are arranged in the gearbox body 1, wherein the coupling 2 is used for being connected with a motor of an endodontic machine handle, the input shaft 3 is arranged along the axial direction of the gearbox body 1, one end of the input shaft 3 is connected with the coupling 2, the other end of the input shaft is connected with the coupling assembly, an inner ring of the sliding bearing 4 is sleeved outside the input shaft 3, and an outer ring of the sliding bearing 4 is assembled at a bearing installation position of the gearbox body 1.

It should be noted that, because the coupling 2 is used for being connected with the motor of the endodontic handpiece, one end of the input shaft 3 is connected with the coupling 2, the other end is connected with the coupling component, the inner ring of the sliding bearing 4 is sleeved outside the input shaft 3, and the outer ring of the sliding bearing 4 is assembled at the bearing installation position of the gear box body 1, the motor of the endodontic handpiece rotates, and the input shaft 3 can be driven by the coupling 2 to rotate relative to the gear box body 1, so that the rotation output by the motor of the endodontic handpiece is transmitted to the input shaft 3.

As shown in fig. 2, in order to reduce the vibration of the root canal swinging and washing head 100 near the handle part of the root canal therapy apparatus and avoid the vibration from being transmitted to the outside of the casing, thereby improving the operation experience of the doctor, in this embodiment, the input gearbox assembly further comprises an O-ring 5, and the O-ring 5 is disposed between the outer ring of the sliding bearing 4 and the bearing installation position of the gearbox body 1. As for the material of the O-ring 5, generally, rubber can be used, and there is no particular limitation, and those skilled in the art should be able to make reasonable selection and design according to the actual situation.

As shown in fig. 2 and 3, in the present embodiment, the coupling assembly includes a first coupling 7 and a second coupling 8 that are engaged with each other, and a shock pad 6 disposed between the first coupling 7 and the second coupling 8, the first coupling 7 is sleeved outside the input shaft 3 and is fixedly connected to the input shaft 3, and the second coupling 8 is connected to the eccentric vibration assembly.

It should be noted that, firstly, because the first coupler 7 is sleeved outside the input shaft 3 and is fixedly connected with the input shaft 3, the first coupler 7 and the second coupler 8 are matched with each other, and the second coupler 8 is connected with the eccentric vibration component, the input shaft 3 can further transmit the rotation output by the motor of the endodontic machine handle to the eccentric vibration component through the first coupler 7 and the second coupler 8.

Secondly, in this embodiment, through holes are formed in the first coupler 7 and the input shaft 3, the first coupler 7 is sleeved outside the input shaft 3, the through holes of the first coupler 7 and the through holes of the input shaft 3 coincide with each other, and the pin shaft sequentially penetrates through the through holes of the first coupler 7 and the through holes of the input shaft 3 and extends out of the first coupler 7, so that the first coupler 7 and the input shaft 3 are fixedly connected. It should be noted that the length of the pin should be sufficient to secure the connection between the first coupling 7 and the input shaft 3, and not interfere with other components. Of course, in other embodiments, the first coupling 7 and the input shaft 3 may be fixed by other means such as a threaded connection, an interference fit, and the like.

As shown in fig. 2 and 3, in the present embodiment, the first coupling 7 and the second coupling 8 are double-clutch couplings, but in other embodiments, the first coupling 7 and the second coupling 8 may also be claw-type elastic block couplings or elastic pin-and-tooth couplings.

It should be noted that, the first coupling 7 and the second coupling 8 with the above three structures are both formed by adding a flexible part, namely the shock absorption pad 6, between two rigid couplings, and the purpose of shock absorption is realized through the flexible part, so that the vibration reversely transmitted back to the handle of the endodontic machine is greatly reduced, the performance and the use hand feeling of the motor are minimally affected, and meanwhile, the purpose of transmitting torque and rotating speed can be realized.

In addition, in order to better achieve the above purpose, as shown in fig. 3, along the connection line direction of the first coupler 7 and the second coupler 8, grooves are provided on both the first coupler 7 and the second coupler 8, protrusions are provided on both the side of the shock pad 6 facing the first coupler 7 and the side of the shock pad facing the second coupler 8, and the protrusions on both sides are respectively accommodated in the grooves of the first coupler 7 and the grooves of the second coupler 8.

As shown in fig. 1 and fig. 2, in the present embodiment, the eccentric vibration assembly includes a vibration shell 11, and a vibration shaft 9, a vibration bearing 12, an eccentric wheel 15 and an output shaft 16 which are disposed in the vibration shell 11, the second coupling 8 is sleeved outside the vibration shaft 9 and is fixedly connected to one end of the vibration shaft 9, the other end of the vibration shaft 9 is connected to the eccentric wheel 15, the vibration bearing 12 is sleeved outside the vibration shaft 9 and has a gap with the vibration shell 11, one end of the output shaft 16 is fixedly connected to the vibration shell 11, and the other end is fixedly connected to the working tip 20.

It should be noted that, firstly, the second coupling 8 is sleeved outside the vibration shaft 9 and is fixedly connected to the input end of the vibration shaft 9, and the output end of the vibration shaft 9 is connected to the eccentric wheel 15, so that the second coupling 8 can drive the eccentric wheel 15 to rotate through the vibration shaft 9, and further, the vibration bearing 12 is sleeved outside the vibration shaft 9 and has a gap with the vibration shell 11, so that the high-frequency vibration generated during the rotation of the eccentric wheel 15 can be transmitted to the vibration shell 11 through the vibration bearing 12, and further, because one end of the output shaft 16 is fixedly connected to the vibration shell 11 and the other end is fixedly connected to the operating tip 20, the vibration shell 11 can transmit the high-frequency vibration to the operating tip 20 through the output shaft 16, thereby achieving the purpose of root canal flushing.

Secondly, in order to avoid the vibration shell 11 from blocking the high-frequency vibration of the vibration bearing 12, a gap is provided between the vibration bearing 12 and the vibration shell 11, and the size of the gap should be determined so that the high-frequency vibration of the vibration bearing 12 is not affected. In addition, as for the fixed connection form of the second coupling 8 and the vibration shaft 9, the explanation related to the first coupling 7 and the input shaft 3 can be referred to, and the details are not repeated here.

As shown in fig. 1 and fig. 2, similar to the aforementioned O-ring 5, in the present embodiment, the eccentric vibrating assembly further includes a damping sleeve 10, and the damping sleeve 10 is sleeved outside the vibrating shell 11 and clamped with the shell, so as to reduce the vibration of the middle portion of the root canal oscillation handpiece 100, and avoid the vibration from being transmitted outside the shell, thereby improving the operation experience of the doctor. Furthermore, in this embodiment, the eccentric vibration assembly further includes a damping ring 17 and a buckle 18, the damping ring 17 is sleeved outside the output shaft 16, the damping ring 17 is clamped between the buckle 18 and the housing, and the buckle 18 is clamped with the housing, so as to reduce the vibration of the portion of the root canal swing washing head 100 close to the working tip 20, and avoid the vibration being transmitted outside the housing, thereby improving the operation experience of the doctor.

As shown in fig. 1 and fig. 2, preferably, in this embodiment, the root canal swinging washing head 100 further includes a silicone sleeve 19, and the silicone sleeve 19 is sleeved outside the buckle 18 and the housing to wrap the buckle 18 and the housing, so that on one hand, the shock absorption effect can be further enhanced, and on the other hand, the aesthetic degree of the root canal swinging washing head 100 can be improved.

As shown in fig. 1 and 2, in the present embodiment, the housing includes a first housing 13 and a second housing 14, both of which have semicircular cross-sectional shapes, the first housing 13 and the second housing 14 are fixedly connected and enclose to form a receiving cavity, and the receiving cavity is used for receiving the input gearbox assembly, the coupling assembly and the eccentric vibration assembly.

It should be noted that, regarding the form of the fixed connection between the first housing 13 and the second housing 14, a groove may be provided on the first housing 13, a protrusion corresponding to the groove of the first housing 13 is provided on the second housing 14, or a protrusion may be provided on the first housing 13, a groove corresponding to the protrusion of the first housing 13 is provided on the second housing 14, or a groove and a protrusion may be provided on the first housing 13 at the same time, and a protrusion corresponding to the groove of the first housing 13 and a groove corresponding to the protrusion of the first housing 13 may be provided on the second housing 14 at the same time, and the above three structures may all enable the first housing 13 and the second housing 14 to be fixedly connected in a snap-fit manner. Of course, in other embodiments, the first housing 13 and the second housing 14 may also be provided with screw holes, and screws sequentially pass through the screw holes of the first housing 13 and the screw holes of the second housing 14, so that the first housing 13 and the second housing 14 are fixedly connected by means of screw connection, thereby further enhancing the stability of the connection between the first housing 13 and the second housing 14.

Of course, in other embodiments, the first housing 13 and the second housing 14 may also be cylindrical structures, and the first housing 13 and the second housing 14 are fixedly connected by a threaded connection, an interference fit, or the like, so as to form an accommodating cavity to accommodate each component. Compared with the first shell 13 and the second shell 14 which are cylindrical in structure, the first shell 13 and the second shell 14 which are semicircular in cross section can be more convenient to assemble and disassemble various parts, so that the manufacture and maintenance of the root canal swinging washing head 100 are facilitated.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a root canal swing washes aircraft nose, a serial communication port, including work point, casing and set up in input gear box subassembly, shaft coupling subassembly and the eccentric vibration subassembly that just connect gradually in the casing, the input of input gear box subassembly is used for being connected with the motor of root canal therapy machine handle, the output of eccentric vibration subassembly with the work point is connected, so that the motor of root canal therapy machine handle can loop through the input gear box subassembly the shaft coupling subassembly with the eccentric vibration subassembly drives the work point work.

2. The endodontic irrigator head of claim 1, wherein said input gearbox assembly includes a gearbox body, and a coupling, an input shaft and a sliding bearing provided in said gearbox body, said coupling being adapted to be connected to a motor of said endodontic applicator handle, said input shaft being provided in an axial direction of said gearbox body, said input shaft being connected at one end to said coupling and at the other end to said coupling assembly, an inner race of said sliding bearing being fitted over said input shaft and an outer race of said sliding bearing being fitted to a bearing mount of said gearbox body.

3. The root canal oscillating handpiece of claim 2, wherein the input gearbox assembly further comprises an O-ring disposed between the outer race of the plain bearing and the bearing mount of the gearbox body.

4. The head set forth in claim 2, wherein said coupling assembly comprises a first coupling and a second coupling cooperating with each other, and a shock absorbing pad disposed between said first coupling and said second coupling, said first coupling being sleeved outside said input shaft and fixedly connected to said input shaft, said second coupling being connected to said eccentric oscillating assembly.

5. The head of claim 4, wherein said first coupling is a quincunx coupling, a dog spring coupling, or a spring pin dog coupling.

6. The machine head according to claim 4, wherein the eccentric oscillating assembly comprises an oscillating housing, an oscillating shaft, an oscillating bearing, an eccentric wheel and an output shaft, the oscillating bearing, the eccentric wheel and the output shaft are disposed in the oscillating housing, the second coupling sleeve is disposed outside the oscillating shaft and fixedly connected to one end of the oscillating shaft, the other end of the oscillating shaft is connected to the eccentric wheel, the oscillating bearing sleeve is disposed outside the oscillating shaft and has a gap with the oscillating housing, and one end of the output shaft is connected to the oscillating housing and the other end is fixedly connected to the working tip.

7. The head set forth in claim 6 wherein said eccentric vibratory assembly further comprises a shock sleeve, said shock sleeve being nested outside said vibratory housing and being snap-fit to said housing.

8. The head set forth in claim 6 wherein said eccentric oscillating assembly further comprises a damping ring and a clip, said damping ring is sleeved outside said output shaft, said damping ring is clamped between said clip and said housing, and said clip is engaged with said housing.

9. The head of claim 8, further comprising a silicone sleeve, wherein the silicone sleeve is disposed outside the buckle and the housing.

10. The root canal oscillating mill head according to any one of claims 1-9, wherein the housing comprises a first housing and a second housing each having a semicircular cross-sectional shape, the first housing and the second housing being fixedly connected and enclosing to form a receiving cavity for receiving the input gearbox assembly, the coupling assembly and the eccentric oscillating assembly.

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