CN203244461U - Self-generating dental handpiece - Google Patents
Self-generating dental handpiece Download PDFInfo
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- CN203244461U CN203244461U CN 201220717131 CN201220717131U CN203244461U CN 203244461 U CN203244461 U CN 203244461U CN 201220717131 CN201220717131 CN 201220717131 CN 201220717131 U CN201220717131 U CN 201220717131U CN 203244461 U CN203244461 U CN 203244461U
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Abstract
The utility model relates to a self-generating dental handpiece which comprises a piece head, a handle and a quick connector, wherein the piece head is fixedly connected to the front end of the handle; one end of the quick connector is inserted into the rear end of the handle; an air inlet connector, an atomization air connector, a cooling water connector and an air return channel connector arranged at the other end of the quick connector are connected to the piece head through an air inlet channel, an atomization air channel, a cooling water channel and an air return channel formed in the quick connector and the handle respectively; the self-generating dental handpiece further comprises an airflow generator and a lighting device; the airflow generator and the lighting device are mounted in the quick connector side by side; an air hole of the airflow generator is communicated with the air inlet channel; the output end of the airflow generator is electrically connected with the lighting device; and light emitted from the lighting device is sent out from the side wall of the front end of the handle through an optical fiber mounted in the handle. According to the self-generating dental handpiece, the quick connector is inserted into the handle of the dental handpiece in a matching manner, the usage requirements of the dental handpiece are met, the work of the dental handpiece is lighted, the usage is convenient, and the service life is long.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of dental handpiece of self power generation.
Background technology
At present dental handpiece generally all is provided with the LED illuminator, and the powering mode of its device has several, and a kind of is external connection battery, has affected operation when the doctor uses dental handpiece thereby this quasi-mode can increase the volume of dental handpiece, causes affected inconvenience; Another kind be by fast joint with dc source, thereby to dental handpiece power supply, but because Human Oral Cavity belongs to sensitive part, the discomfort that can increase the patient is set like this, even the accident that can occur leaking electricity; Also having a kind of is by carrying TRT, drive the wheel rotation of electromotor by the trachea air inlet, being converted into electric energy powers to the LED illuminator, but the generating of such device is unstable, the brightness of illumination deficiency can cause the doctor malpractice to occur when having an operation, and also can dental handpiece be scrapped because of situation about stopping up.But electromotor is set and can there be such problem in the LED illuminator at dental handpiece, dental handpiece needs autoclave sterilization after use, can easily cause like this infringement of TRT and LED illuminator, causes dental handpiece to be scrapped.
For this situation, publication number is 201870745U, open day be that the Chinese utility model patent on June 22nd, 2011 discloses a kind of quick-acting connector that is connected with dental handpiece with TRT, this utility model patent is powered to the LED illuminator by TRT is set at fast joint, the dental handpiece fast joint does not need to pass through autoclave sterilization, TRT and LED illuminator have been solved easily because the damage that disinfecting process causes, but this type of generating device structure is unreasonable, cause the volume of fast joint to increase, in the process of Practical manufacturing, can not go into operation.And publication number is 201593450U, open day was that 29 days Chinese utility model patent of JIUYUE in 2010 discloses air flow electric generator in a kind of pipeline and used the dental handpiece of this electromotor, although this utility model patent has proposed the concrete structure of electromotor, but this device still adopts iron core and stator winding, cause the electromotor volume excessive, can not be assemblied in the general fast joint; Adopted the setting of two air inlets, the dynamic unbalance of impeller can occur, noise is large, can not reach industry standard, and is dark when bright when the shakiness of also can powering owing to air inflow is unstable causes the brightness of LED illuminator, malpractice can occur when serious.
The utility model content
For the deficiencies in the prior art, this utility model provides a kind of dental handpiece of self power generation, and it adopts the drag cup electromotor, and the overall weight of electromotor and volume are reduced greatly, simultaneously it is installed in the fast joint side by side with illuminator, installs and fixes all very convenient.
For achieving the above object, this utility model adopts following technical scheme:
A kind of dental handpiece of self power generation, it comprises head, handle and fast joint, described head is fixedly connected on the front end of handle, one end of fast joint is plugged in the rear end of handle, the inlet suction port that the end of its other end is provided with, the atomization gas joint, warter connection and return gas channel joint be the inlet channel by being provided with in fast joint and the handle respectively, the atomization gas passage, cooling-water duct and return gas channel are connected to head, the dental handpiece of described self power generation also comprises an air flow electric generator and an illuminator, described air flow electric generator and illuminator are installed in the fast joint side by side, the pore of described air flow electric generator is connected with inlet channel, the outfan of air flow electric generator and illuminator are electrically connected, and the light that described illuminator sends spreads out of from the handle front end side wall by an optical fiber that is installed in the handle.
As improvement of the present utility model, described fast joint comprises plinth, four hole connectors and fast joint shell, wherein the two ends of plinth respectively with handle with are connected hole connector and are connected, the fast joint casing is located on the outer surface of plinth and four hole connectors, inlet suction port, the atomization gas joint, warter connection and return gas channel joint all are arranged at the end, rear end of four hole connectors, be provided with an electromotor containing cavity and that air flow electric generator is installed in the plinth illuminator containing cavity of illuminator is installed, the electromotor containing cavity is connected with inlet channel, and optical fiber is through in the plinth and matches with illuminator.
As improvement of the present utility model, described fast joint further comprises a link seat, and the rear end of illuminator and air flow electric generator is fixed together by this link seat.
As improvement of the present utility model, described illuminator comprises LED lamp, lamp socket and with the pcb board of mu balanced circuit, the input of described mu balanced circuit is connected in the outfan of air flow electric generator, the outfan of mu balanced circuit is electrically connected with the LED lamp that is installed on the lamp socket, and the front end of LED lamp matches with optical fiber.
As improvement of the present utility model, described mu balanced circuit comprises rectification circuit, filter circuit and switching regulaor, the input of rectification circuit and air flow electric generator are electrically connected, its outfan is connected in the input of switching regulaor through filter circuit, the outfan of switching regulaor and LED lamp are electrically connected.
As improvement of the present utility model, described air flow electric generator comprises air compartment loam cake, air compartment lower cover, impeller, generating movement, described impeller is installed in the air compartment loam cake, be covered with pore on the air compartment, described impeller is provided with the blade that matches with pore, and the generating movement is fixedly connected on the downside of impeller, and air compartment loam cake and generating movement are installed in the air compartment lower cover, and the lower end of air compartment lower cover is provided with an air inlet pipe, and pore and inlet channel all link with this air inlet pipe.
As improvement of the present utility model, described pore comprises at least one the first pore and second pore identical with the first pore quantity, described the first pore and the second pore are interspersed on the sidewall of air compartment loam cake, wherein, the first pore apart from the distance of the bottom of air compartment loam cake greater than the distance of the second pore apart from the bottom of air compartment loam cake, impeller is trapezium structure, this trapezium structure comprises the upper ladder that is provided with the first blade and the downstairs that is provided with the second blade, described the first blade matches with the first pore, and the second blade and the second pore match.
Preferably, described the first pore is at least two, between adjacent two the first pores at least one second pore is set.
As improvement of the present utility model, described generating movement comprises rotating shaft, lining, Magnet, winding, casing, described rotating shaft, lining, Magnet and winding be successively socket from inside to outside, the upper end of casing is fixed in the boss that air compartment loam cake bottom is fixedly connected with, the upper end of rotating shaft is fixedly connected on the centre bore of impeller, the lower end of rotating shaft is electrically connected by lead-in wire and illuminator, and pad is provided with at least one bearing between rotating shaft and the lining.
As improvement of the present utility model, described generating movement further is connected in the lower end of rotating shaft and a skeleton and the commutator segment between the lead-in wire, the lower end of described skeleton is placed in the commutator segment, and the lower end of rotating shaft passes skeleton and commutator segment is electrically connected, and the output of commutator segment is electrically connected with lead-in wire.
This utility model is created provides a kind of dental handpiece with self power generation, its air flow electric generator adopts the drag cup mechanism of iron-core-free rotor, equal-wattage weight and volume on year-on-year basis common motor alleviates 1/2nd, can be installed in side by side on the base of fast joint with the LED illuminator.The impeller of air flow electric generator has adopted the double layered cone gear, cooperates up and down two groups of pores, can make in the process of wheel rotation to keep dynamic equilibrium, also can guarantee the stable of delivery when reducing noise.Guarantee that by the constant current constant voltage circuit is set power supply is stablized to the LED illuminator, some of solution are because LED illuminator bright spot deficiency causes the malpractice problem to patient's infringement in the operation process.
Compared to existing technology, the beneficial effects of the utility model are: the cooperation of this utility model fast joint is inserted in the handle of dental handpiece, satisfy the requirement that dental handpiece uses, by the illuminator that is arranged side by side the air flow electric generator in fast joint and is powered by this air flow electric generator, for the work of dental handpiece is thrown light on, easy to use, the life-span is long.
Description of drawings
Fig. 1 is the structural representation of a kind of dental handpiece with spontaneous motor of this utility model;
Fig. 2 is the decomposition texture schematic diagram of a kind of dental handpiece with spontaneous motor of this utility model;
Fig. 3 is the decomposition texture schematic diagram of air flow electric generator among Fig. 2;
Fig. 4 is the decomposition texture schematic diagram of generating movement among Fig. 3;
Fig. 5 is the schematic diagram of the mu balanced circuit of a kind of dental handpiece with spontaneous motor of this utility model.
Wherein: 1, dental handpiece body; 2, head; 3, hands handle; 4, air flow electric generator; 41, air compartment loam cake; 411, the first pore; 412, the second pore; 413, boss; 414, groove; 42, impeller; 421, upper ladder; 4211, the first blade; 422, downstairs; 4221, the second blade; 44, generating movement; 441, rotating shaft; 442, lining; 443, bearing; 444, Magnet; 445, winding; 446, skeleton; 447, commutator segment; 448, casing; 45, lead-in wire; 46, air compartment lower cover; 461, air inlet pipe; 5, fast joint; 51, plinth; 52, link seat; 53, rubber cushion; 54, four hole connectors; 55, fast joint shell; 6, illuminator; 61, LED lamp; 62, lamp socket; 631, rectification circuit; 632, filter circuit; 633, switching regulaor; 7, optical fiber; 71, front end side wall.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the dental handpiece of self power generation of the present utility model is described further, so that clearerly understand this utility model technological thought required for protection.
As depicted in figs. 1 and 2, a kind of dental handpiece of spontaneous motor, it comprises dental handpiece body 1, this dental handpiece body 1 comprises head 2, handle 3, air flow electric generator 4, fast joint 5, LED illuminator 6 and optical fiber 7, head 2 is fixedly connected on the front end of handle 3, one end of fast joint 5 is plugged in the rear end of handle 3, the inlet suction port that the end of its other end is provided with (not indicating), the atomization gas joint, warter connection and return gas channel joint be the inlet channel by being provided with in fast joint 5 and the handle 3 respectively, the atomization gas passage, cooling-water duct and return gas channel are connected to head 2.In this utility model preferred embodiment, structure by improving air flow electromotor 4, make the volume of air flow electric generator 4 less, can be installed in side by side fast joint 5 inside with illuminator 6, the pore of air flow electric generator 4 is connected with inlet channel, the outfan of air flow electric generator 4 and illuminator 6 is electrically connected, and the light that illuminator 6 sends spreads out of from the front end side wall 71 of handle by an optical fiber 7 that is installed in the handle.Specifically, air flow electric generator 4 is arranged to the drag cup electromotor of iron-core-free rotor, not only make its volume less, and have outstanding energy conservation characteristic, sensitive easily control characteristic and a stable operation characteristic, be a kind of high efficiency energy conversion device, simultaneously, air flow electric generator 4 and illuminator 6 be installed in the fast joint 5 side by side, compare with of the prior art illuminator is installed in the handle, it is more conducive to install and use.
As shown in Figure 2, fast joint 5 comprises plinth 51, four hole connectors 54 and fast joint shell 55, wherein the two ends of plinth 51 respectively with handle 3 with are connected hole connector 54 and are connected, fast joint shell 55 is sheathed on the outer surface of plinth 51 and four hole connectors 54, inlet suction port, the atomization gas joint, warter connection and return gas channel joint all are arranged at the end, rear end of four hole connectors 54, in plinth 51, be provided with an electromotor containing cavity and that air flow electric generator 4 is installed the illuminator containing cavity of illuminator 6 is installed, the electromotor containing cavity is connected with inlet channel, and optical fiber is through in the plinth and matches with illuminator.Install side by side in order to make things convenient for air flow electric generator 4 and illuminator 6, also comprise a link seat 52 in the fast joint 5, the rear end of illuminator 6 and air flow electric generator 4 is fixed together by this link seat 52, and, in order to make installation more firm, place a rubber cushion 53 in the rear end of air flow electric generator 4 and illuminator 6, four hole connectors 54 are butted on the opposite side of rubber cushion 53, certainly, also can in four hole connectors 54, be arranged at circular groove, in rubber cushion 53 is positioned over, again four hole connectors 54 and plinth 51 are consisted of electromotor containing cavity and illuminator containing cavity together.
Illuminator 6 comprises LED lamp 61, lamp socket 62 and with the pcb board (indicating) of mu balanced circuit, the input of this mu balanced circuit is connected in the outfan of air flow electric generator 4, the outfan of mu balanced circuit is electrically connected with the LED lamp 61 that is installed on the lamp socket 62, and the front end of LED lamp 61 matches with optical fiber 7.The circuit theory diagrams of mu balanced circuit as shown in Figure 5; it comprises rectification circuit 631; filter circuit 632 and switching regulaor 633; the input of rectification circuit and air flow electric generator are electrically connected; its outfan is connected in the input of switching regulaor through filter circuit; the outfan of switching regulaor and LED lamp are electrically connected; in this utility model preferred embodiment; rectification circuit 631 adopts full-wave rectification bridge; filter circuit 632 adopts inductance; switching regulaor adopts LT1935ES5; pass through mu balanced circuit; can make the output voltage stabilization of air flow electric generator 4 about 3V; play protection and keep the stable effect of LED lamp 61 dental handpiece brightness of illuminations, can effectively prevent like this some because the illuminator bright spot is not enough or occur flickering and cause malpractice problem to patient's infringement in the operation process.
As shown in Figure 3, air flow electric generator 4 comprises air compartment loam cake 41, air compartment lower cover 46, impeller 42, generating movement 44, impeller 42 is installed in the air compartment loam cake 41, air compartment loam cake 41 is provided with pore, impeller 42 is provided with the blade that matches with pore, generating movement 44 is fixedly connected with the downside with impeller, air compartment loam cake 41 and generating movement 44 are installed in the air compartment lower cover 46, and the lower end of air compartment lower cover is provided with an air inlet pipe 461, pore and inlet channel evenly this air inlet pipe link, and this air inlet pipe 461 is sent to the air-flow in the inlet channel in the pore and supplies with for air flow electric generator.In order to prevent that air flow electric generator 4 from causing vibrations and large noise because the introducing of air-flow is uneven, in preferred embodiment of the present utility model, pore comprises that at least one the first pore 411 and at least one the second pore 412, the first pore 411 and the second pore 412 are uniformly distributed on the sidewall of air compartment loam cake 41.In order to guarantee airflow smooth, in the situation that a pore is blocked, air flow electric generator 4 can also work, the first pore 411 arranges and is at least two, and between adjacent two the first pores 411 at least one second pore 412 is set, in this utility model preferred embodiment, the first pore 411 is two, between adjacent two the first pores 411 two the second pore 412(is set and namely comprises four the second pores).
The first pore apart from the distance of the bottom of air compartment loam cake greater than the distance of the second pore apart from the bottom of air compartment loam cake 41, impeller 42 is trapezium structure, this trapezium structure comprises the upper ladder 421 that is provided with the first blade 4211 and the downstairs 422 that is provided with the second blade 4221, the first blade 4211 matches with the first pore 411, and the second blade 4221 and the second pore 412 match.Be provided with the first pore 411 and the second pore 412 by air compartment loam cake 41, the first pore 411 and the second pore 412 are had any different at the length direction of dental handpiece, impeller is provided with the first blade 4211 and the second blade 4221, can form a unidirectional air channel by air compartment loam cake 41 and air compartment lower cover 46, after the effect of this set is dental handpiece ventilation stream, gas acts on the first blade 4211 by the first pore 411 and acts on the second blade 4221 by the second pore 412 less than gas, enough voltage is provided for illuminator 6, and the moment that acts on the first blade 4211 can make impeller 42 can keep dynamic equilibrium, reduce vibrations and noise, keep the output voltage stabilization of air flow electric generator 4 to play crucial effect.Simultaneously, enter smoothly pore in order to make air-flow, the groove 414 of special shape is set around each pore.
As shown in Figure 4, generating movement 44 comprises rotating shaft 441, lining 442, Magnet 444, winding 445, casing 448, wherein, rotating shaft 441, lining 442 and skeleton 446 and commutator segment 447 consist of the rotor structure of iron-core-free, Magnet 444 and winding 445 consist of stator structure, rotating shaft 441, lining 442, Magnet 444 and winding 445 be successively socket from inside to outside, pad is provided with at least one bearing 443 between rotating shaft 441 and the lining 442, the upper end of casing 448 is fixed in the boss 413 that air compartment loam cake 41 bottoms are fixedly connected with, the upper end of rotating shaft 441 is fixedly connected on the centre bore of impeller 42, the lower end of skeleton 446 is placed in the commutator segment 447, the lower end of rotating shaft 441 is passed skeleton 446 and is electrically connected with commutator segment 447, and the output of commutator segment is electrically connected by lead-in wire 45 and illuminator 6.Commutator segment 447 by skeleton 446 and rotating shaft 441 coaxial settings, can be prevented commutator segment off-centre and air flow electric generator 4 is stuck.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection domain of this utility model claim all.
Claims (10)
1. the dental handpiece of a self power generation, it comprises head, handle and fast joint, described head is fixedly connected on the front end of handle, one end of fast joint is plugged in the rear end of handle, the inlet suction port that the end of its other end is provided with, the atomization gas joint, warter connection and return gas channel joint be the inlet channel by being provided with in fast joint and the handle respectively, the atomization gas passage, cooling-water duct and return gas channel are connected to head, it is characterized in that, the dental handpiece of described self power generation also comprises an air flow electric generator and an illuminator, described air flow electric generator and illuminator are installed in the fast joint side by side, the pore of described air flow electric generator is connected with inlet channel, the outfan of air flow electric generator and illuminator are electrically connected, and the light that described illuminator sends spreads out of from the handle front end side wall by an optical fiber that is installed in the handle.
2. the dental handpiece of self power generation according to claim 1, it is characterized in that, described fast joint comprises plinth, four hole connectors and fast joint shell, wherein the two ends of plinth respectively with handle with are connected hole connector and are connected, the fast joint casing is located on the outer surface of plinth and four hole connectors, inlet suction port, the atomization gas joint, warter connection and return gas channel joint all are arranged at the end, rear end of four hole connectors, be provided with an electromotor containing cavity and that air flow electric generator is installed in the plinth illuminator containing cavity of illuminator is installed, the electromotor containing cavity is connected with inlet channel, and optical fiber is through in the plinth and matches with illuminator.
3. the dental handpiece of self power generation according to claim 2 is characterized in that, described fast joint further comprises a link seat, and the rear end of illuminator and air flow electric generator is fixed together by this link seat.
4. the dental handpiece of self power generation according to claim 1 and 2, it is characterized in that, described illuminator comprises LED lamp, lamp socket and with the pcb board of mu balanced circuit, the input of described mu balanced circuit is connected in the outfan of air flow electric generator, the outfan of mu balanced circuit is electrically connected with the LED lamp that is installed on the lamp socket, and the front end of LED lamp matches with optical fiber.
5. the dental handpiece of self power generation according to claim 4, it is characterized in that, described mu balanced circuit comprises rectification circuit, filter circuit and switching regulaor, the input of rectification circuit and air flow electric generator are electrically connected, its outfan is connected in the input of switching regulaor through filter circuit, the outfan of switching regulaor and LED lamp are electrically connected.
6. the dental handpiece of self power generation according to claim 1 and 2, it is characterized in that, described air flow electric generator comprises air compartment loam cake, air compartment lower cover, impeller, generating movement, described impeller is installed in the air compartment loam cake, be covered with pore on the air compartment, described impeller is provided with the blade that matches with pore, the generating movement is fixedly connected on the downside of impeller, air compartment loam cake and generating movement are installed in the air compartment lower cover, and the lower end of air compartment lower cover is provided with an air inlet pipe, and pore and inlet channel all link with this air inlet pipe.
7. the dental handpiece of self power generation according to claim 6, it is characterized in that, described pore comprises at least one the first pore and at least one the second pore, described the first pore and the second pore are uniformly distributed on the sidewall of air compartment loam cake, wherein, the first pore apart from the distance of the bottom of air compartment loam cake greater than the distance of the second pore apart from the bottom of air compartment loam cake, impeller is trapezium structure, this trapezium structure comprises the upper ladder that is provided with the first blade and the downstairs that is provided with the second blade, described the first blade matches with the first pore, and the second blade and the second pore match.
8. the dental handpiece of self power generation according to claim 7 is characterized in that, described the first pore is at least two, between adjacent two the first pores at least one second pore is set.
9. the dental handpiece of self power generation according to claim 6, it is characterized in that, described generating movement comprises rotating shaft, lining, Magnet, winding, casing, described rotating shaft, lining, Magnet and winding be successively socket from inside to outside, the upper end of casing is fixed in the boss that air compartment loam cake bottom is fixedly connected with, the upper end of rotating shaft is fixedly connected on the centre bore of impeller, and the lower end of rotating shaft is electrically connected by lead-in wire and illuminator, and pad is provided with at least one bearing between rotating shaft and the lining.
10. the dental handpiece of self power generation according to claim 9, it is characterized in that, described generating movement further is connected in the lower end of rotating shaft and a skeleton and the commutator segment between the lead-in wire, the lower end of described skeleton is placed in the commutator segment, the lower end of rotating shaft passes skeleton and commutator segment is electrically connected, and the output of commutator segment is electrically connected with lead-in wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717131 CN203244461U (en) | 2012-12-21 | 2012-12-21 | Self-generating dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220717131 CN203244461U (en) | 2012-12-21 | 2012-12-21 | Self-generating dental handpiece |
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| Publication Number | Publication Date |
|---|---|
| CN203244461U true CN203244461U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220717131 Expired - Fee Related CN203244461U (en) | 2012-12-21 | 2012-12-21 | Self-generating dental handpiece |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040530A (en) * | 2012-12-21 | 2013-04-17 | 佛山市宇森医疗器械有限公司 | Self-generating dental handpiece |
| CN103948439A (en) * | 2014-05-08 | 2014-07-30 | 余礼建 | Dental handpiece with delay circuit |
| CN107753125A (en) * | 2016-08-17 | 2018-03-06 | 雷虎生技股份有限公司 | Self luminous dental handpiece |
| CN110169831A (en) * | 2019-07-03 | 2019-08-27 | 佛山市希雅医疗器械有限公司 | A kind of optical fiber root canal preparation machine |
| CN110179554A (en) * | 2018-12-18 | 2019-08-30 | 贝思德迩医疗器材(广州)有限公司 | A kind of dental high-speed cell phone of the main gas with atomizing functions |
-
2012
- 2012-12-21 CN CN 201220717131 patent/CN203244461U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040530A (en) * | 2012-12-21 | 2013-04-17 | 佛山市宇森医疗器械有限公司 | Self-generating dental handpiece |
| CN103040530B (en) * | 2012-12-21 | 2015-11-18 | 佛山市宇森医疗器械有限公司 | A kind of dental handpiece of self power generation |
| CN103948439A (en) * | 2014-05-08 | 2014-07-30 | 余礼建 | Dental handpiece with delay circuit |
| CN107753125A (en) * | 2016-08-17 | 2018-03-06 | 雷虎生技股份有限公司 | Self luminous dental handpiece |
| CN110179554A (en) * | 2018-12-18 | 2019-08-30 | 贝思德迩医疗器材(广州)有限公司 | A kind of dental high-speed cell phone of the main gas with atomizing functions |
| CN110169831A (en) * | 2019-07-03 | 2019-08-27 | 佛山市希雅医疗器械有限公司 | A kind of optical fiber root canal preparation machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20141221 |
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| EXPY | Termination of patent right or utility model |