CN104983479A - Ultrasonic dental descaler - Google Patents
Ultrasonic dental descaler Download PDFInfo
- Publication number
- CN104983479A CN104983479A CN201510407824.5A CN201510407824A CN104983479A CN 104983479 A CN104983479 A CN 104983479A CN 201510407824 A CN201510407824 A CN 201510407824A CN 104983479 A CN104983479 A CN 104983479A
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- CN
- China
- Prior art keywords
- ultrasonic
- transformator
- working head
- handle
- stabilizing chip
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
Abstract
The invention relates to an ultrasonic dental descaler, which comprises a handle and a working head connected onto the handle; a piezoelectric ceramic transducer is arranged in the handle; the working head is made of a TC4 titanium alloy material; the connecting part of the working head is connected with an mechanical output end of the piezoelectric ceramic transducer; a main machine is internally provided with a constant-power output circuit used for providing electric energy for the piezoelectric ceramic transducer, the constant-power output circuit is connected with the handle through a tail circuit of power transmission. The descaler has the beneficial effects that the working head made of TC4 titanium alloy is connected onto the piezoelectric ceramic type handle for work. Due to the fact that the working head is low in hardness, small in amplitude, good in elasticity, the clinical effect is greatly improved, painful and uncomfortable feeling cannot happen to treated patients, and the comfort degree of the patients during treatment is greatly improved.
Description
Technical field
The present invention relates to dental care machinery, particularly relate to a kind of ultrasonic dental apparatus for eliminating sludge.
Background technology
The principle of ultrasonic dental scaler system is the working head and the tooth surface contact that utilize supersonic vibration, realizes by physical method the object removing dental surface tartar, dental plaque.Existing ultrasonic dental scaler system adopts the ultrasound works head of stainless steel and the ultrasonic transducer of piezoelectric ceramics to combine, and during its work, hardness is large, and vibration is strong, can bring pain, uncomfortable sensation to patients receiving treatment.
An existing utility model patent, its publication number is CN201029944Y, it discloses a kind of ultrasonic dental therapy machine, it titanium alloy working head comprising transducer and be connected to transducer front end, working head is provided with ultrasonic fine rule therapeutic apparatus or the holder for root canal ultrasonic file, working head rear end forms detachable connection by helicitic texture and transducer front end, working head overlaps outward successively inner sleeve and trocar sheath, the front end of trocar sheath is provided with a nut, and working head front portion is stretched out outside trocar sheath from the through hole nut; The side of working head is also provided with the playpipe independent of working head, and the rear end entrance of this playpipe is fixed on inner sleeve, and front end exit is then just to the point of root canal ultrasonic file or ultrasonic fine rule therapeutic apparatus.The ultrasonic transducer for magnetic ferrites that this utility model mainly adopts coordinates with titanium alloy working head, this fitting method poor effect, and vibration is strong, can bring pain, uncomfortable sensation to patients receiving treatment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ultrasonic dental apparatus for eliminating sludge, and solve working head hardness in prior art large, vibration is strong, can bring the technical problem of pain, uncomfortable sensation to patients receiving treatment.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of ultrasonic dental apparatus for eliminating sludge, and it comprises main frame, handle and the working head be connected on handle; Piezoelectric ceramic transducer is provided with in handle; Working head adopts TC4 titanium alloy material to make; The connecting portion of working head is connected with the mechanical output of piezoelectric ceramic transducer; Be provided with in main frame as piezoelectric ceramic transducer provides the constant output power circuit of electric energy, constant output power circuit is connected with handle by the buttock line of electric energy transmitting.
The invention has the beneficial effects as follows: adopt the working head that TC4 titanium alloys is standby, the handle being connected to piezoelectric ceramic type works, because working head hardness is low, amplitude is little, good springiness, clinical effectiveness significantly promotes, and brings the sensation of pain discomfort can not to the patient for the treatment of, greatly improve comfort level during patient treatment.Be connected on the handle of piezoelectric ceramic type by working head standby for TC4 titanium alloys, do not need the output parameter adjusting transducer architecture, Circuit tuning, simple to operate, the suitability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is constant output power circuit circuit diagram;
Fig. 3, Fig. 4 are the structural representation of working head.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of ultrasonic dental apparatus for eliminating sludge, it working head comprising main frame, handle and be connected on handle; Piezoelectric ceramic transducer is provided with in handle; Working head adopts TC4 titanium alloy material to make; The connecting portion of working head is connected with the mechanical output of piezoelectric ceramic transducer; Be provided with as piezoelectric ceramic transducer provides the constant output power circuit of electric energy in main frame, constant output power circuit is connected with handle by the buttock line of electric energy transmitting, specifically be electrically connected with the input of piezoelectric ceramic transducer in handle, piezoelectric ceramic transducer converts electrical energy into mechanical energy again and passes to working head.
As shown in Figure 2, below constant output power circuit is described further:
Constant output power circuit comprises power output circuit, sampling resistor R1 and ultrasonic transformator T1; Power output circuit comprises voltage stabilizing chip U1 and inductance L 1, No. 1 pin of voltage stabilizing chip U1 is connected to external power source, No. 2 pins of voltage stabilizing chip U1 are connected to the input of ultrasonic transformator T1 by inductance L 1, No. 3 pins and No. 5 pins of voltage stabilizing chip are connected to ground respectively, No. 4 pins of voltage stabilizing chip are by sampling resistor R1 ground connection, and the outfan of ultrasonic transformator T1 is by sampling resistor R1 ground connection; Power output circuit, its for the outfan by voltage stabilizing chip U1 by inductance L 1 for ultrasonic transformator T1 provides power supply, and adjust its output voltage in real time according to the feedback voltage of ultrasonic transformator T1 outfan; Sampling resistor R1, it is for obtaining the feedback voltage of ultrasonic transformator T1 outfan and feeding back to the pressure feedback port of power output circuit; Ultrasonic transformator T1, it is powered to piezoelectric ceramic transducer by OUT pin, adjusts the feedback voltage of its outfan according to the output voltage of power output circuit.
Further: power output circuit also comprises electric capacity C1, the positive pole of electric capacity C1 is connected to No. 1 pin of voltage stabilizing chip, and negative pole is connected to ground.Electric capacity C1 is used for carrying out filtering to external input power, to guarantee that the input/output signal of voltage stabilizing chip is stablized.
Further: power output circuit also comprises the electric capacity C2 for carrying out filtering to the output voltage of voltage stabilizing chip U1, and the positive pole of electric capacity C2 is connected with the input of ultrasonic transformator, and negative pole is connected to ground.
Further: power output circuit also comprises the diode D1 for afterflow, the positive pole of diode D1 is connected with No. 2 pins of voltage stabilizing chip U1, and negative pole is connected to ground.Diode D1 is used for the afterflow when voltage stabilizing chip exports low and high level.
In the present embodiment, setting: the input terminal voltage of ultrasonic transformator is Vs, and the sampled voltage of the outfan of ultrasonic transformator is Vref, and the impedance of ultrasonic transformator T1 is Z
t1.
Particularly, can derive according to the voltage relationship at ultrasonic transformator T1 place and obtain Vs=Vref (1+Z
t1/ R
1), in formula, the sampled voltage Vref of the outfan of ultrasonic transformator T1 can think that steady state value, R1 are constant resistance, it can thus be appreciated that Vs can along with the impedance Z of ultrasonic transformator T1
t1change and change.Can run into external drag when ultrasonic cavitron works, now, the output of ultrasonic cavitron diminishes, because output end voltage Vref is constant, and the impedance Z of ultrasonic transformator T1
t1increase, then ultrasonic transformer inputs voltage Vs increases, and correspondingly, the output of ultrasonic transformator T1 increases; In like manner, on the contrary, when ultrasonic cavitron output becomes large, the impedance Z of ultrasonic transformator T1
t1diminish, ultrasonic transformator T1 input terminal voltage Vs reduces, and correspondingly, the output of ultrasonic transformator T1 reduces.The output of ultrasonic cavitron can be made by the way to tend towards stability value, and namely the output Absorbable organic halogens of ultrasonic cavitron keeps constant at setting value place.
Voltage stabilizing chip U1 adopts LM2576 switching mode integrated efficient mu balanced circuit; and there is perfect protection circuit; comprise current limit and Thermal shutdown circuit etc.; maximum output current is 3A; maximum input voltage is 40V; there is provided 3.3V, 5V, 12V and multiple voltage such as adjustable, power consumption is lower, and conversion efficiency is higher.
As shown in Figure 3, Figure 4, below working head is described further:
When working head comprises the connecting portion 4 be connected with tooth cleaner handgrip, the cervical region 3 be connected with connecting portion 4 and works and the head 1 of teeth contact, the turn of bilge 2 being 60 degree to 180 degree (& 3 in Fig. 4) by radian between head 1 with cervical region 3 is connected; Cervical region 3 comprises at least two bending sections.Multiple bending section in this example, is mainly used in the hardness reducing whole working head, increases the soften of whole working head, makes whole working head have elasticity.
Further: connecting portion 4, cervical region 3, turn of bilge 2 and head 1 are one-body molded, and adopt titanium alloy to make.The standby working head hardness of titanium alloys is low, and amplitude is little, good springiness, and clinical effectiveness significantly promotes, and significantly reduces the sensation bringing pain discomfort to the patient for the treatment of, greatly improves comfort level during patient treatment.
Further: head 1 is provided with spherical or hemispherical configuration 11 away from one end of cervical region 3.Preferably diameter span that is spherical or hemispherical configuration 11 is 0.1 to 3 millimeters.The surface of spherical or hemispherical configuration 11 can be provided with gold-plated emery.Such design can make work efficiency higher.
Further: the indent spanner position 41 connecting portion 4 offering multiple conveniently assemble and disassemble, multiple indent spanner position 41 is oppositely arranged between two, and in this example, connecting portion 4 can be provided with two, four or six.
Further: the distance L3 between the tip of head 1 and the axis of cervical region 3 is 3 to 30 millimeters.
Further: in this example, bending section is set to two, be respectively the first bending section 31 and the second bending section 32; One end of first bending section 31 is connected with connecting portion 4, and the other end of the first bending section 31 is connected with one end of the second bending section 32; Be connected by turn of bilge 2 between head 1 with the other end of the second bending section 32.
The first bending section 31 in above-mentioned and the second bending section 32 relevant parameter can do following restriction:
1, the radian & 1 of the first bending section 31 is 90 degree to 180 degree;
2, the radian & 2 of the second bending section 32 is 90 degree to 180 degree;
3, the radius R 1 of the first bending section 31 is 1 to 50 millimeter;
4, the radius R 2 of the second bending section 32 is 1 to 50 millimeter;
5, the second bending section 32 centrage flex point place (flex point is: on the centrage of the second bending section 2 from the axis of cervical region 4 farthest a bit) and the axis of cervical region 3 between distance L1 be 0.5 to 20 millimeters;
6, turn of bilge 2 centrage flex point place (flex point is: on the centrage of turn of bilge 2 from the axis of cervical region 4 farthest a bit) be 0.5 to 20 millimeters with the distance L2 at the flex point place of above-mentioned second bending section 32 centrage.Should be noted that the distance herein between two flex points is the distance represented in accompanying drawing, is not the distance of line between two flex points.
Adopt above-mentioned data mainly to meet the shape of human oral cavity, the layout of tooth, and the adjustment done, conveniently carry out scaling to tooth, concrete data can not produce actual impact to the performance of working head work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a ultrasonic dental apparatus for eliminating sludge, is characterized in that: the working head comprising main frame, handle and be connected on described handle; Piezoelectric ceramic transducer is provided with in described handle; Described working head adopts TC4 titanium alloy material to make; The connecting portion of described working head is connected with the mechanical output of described piezoelectric ceramic transducer; Be provided with in described main frame as described piezoelectric ceramic transducer provides the constant output power circuit of electric energy, described constant output power circuit is connected with described handle by the buttock line of electric energy transmitting.
2. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 1, is characterized in that:
Described constant output power circuit comprises power output circuit, sampling resistor R1 and ultrasonic transformator T1;
Described power output circuit comprises voltage stabilizing chip U1 and inductance L 1, No. 1 pin of described voltage stabilizing chip U1 is connected to external power source, No. 2 pins of described voltage stabilizing chip U1 are connected to the input of ultrasonic transformator T1 by inductance L 1, No. 3 pins and No. 5 pins of described voltage stabilizing chip are connected to ground respectively, No. 4 pins of described voltage stabilizing chip are by sampling resistor R1 ground connection, and the outfan of described ultrasonic transformator T1 is by sampling resistor R1 ground connection;
Described power output circuit, its for the outfan by described voltage stabilizing chip U1 by described inductance L 1 for described ultrasonic transformator T1 provides power supply, and adjust its output voltage in real time according to the feedback voltage of described ultrasonic transformator T1 outfan;
Described sampling resistor R1, it is for obtaining the feedback voltage of described ultrasonic transformator T1 outfan and feeding back to the pressure feedback port of described power output circuit;
Described ultrasonic transformator T1, it is powered to described piezoelectric ceramic transducer by OUT pin, adjusts the feedback voltage of its outfan according to the output voltage of described power output circuit.
3. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 2, it is characterized in that: described power output circuit also comprises the electric capacity C1 for carrying out filtering to external input power, the positive pole of described electric capacity C1 is connected to No. 1 pin of described voltage stabilizing chip, and negative pole is connected to ground.
4. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 2, it is characterized in that: described power output circuit also comprises the electric capacity C2 for carrying out filtering to the output voltage of voltage stabilizing chip U1, the positive pole of described electric capacity C2 is connected with the input of ultrasonic transformator, and negative pole is connected to ground.
5. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 2, it is characterized in that: described power output circuit also comprises the diode D1 for afterflow, the positive pole of described diode D1 is connected with No. 2 pins of described voltage stabilizing chip U1, and negative pole is connected to ground.
6. a kind of ultrasonic dental apparatus for eliminating sludge according to any one of claim 1 to 5, it is characterized in that: when described working head comprises the connecting portion (4) be connected with described handle, the cervical region (3) be connected with described connecting portion (4) and works and the head (1) of teeth contact, the turn of bilge (2) being 60 degree to 120 degree by radian between described head (1) with described cervical region (3) is connected; Described cervical region (3) comprises at least two bending sections.
7. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 6, is characterized in that: described connecting portion (4), cervical region (3), turn of bilge (2) and head (1) are one-body molded, and adopts titanium alloy to make.
8. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 6, is characterized in that: described head (1) is provided with spherical or hemispherical configuration (11) away from one end of described cervical region (3).
9. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 8, is characterized in that: described diameter span that is spherical or hemispherical configuration (11) is 0.1 to 2 millimeters.
10. a kind of ultrasonic dental apparatus for eliminating sludge according to claim 8, is characterized in that: described surface that is spherical or hemispherical configuration (11) is provided with gold-plated emery.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407824.5A CN104983479A (en) | 2015-07-13 | 2015-07-13 | Ultrasonic dental descaler |
| PCT/CN2016/074309 WO2017008507A1 (en) | 2015-07-13 | 2016-02-23 | Ultrasonic dentistry scaling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407824.5A CN104983479A (en) | 2015-07-13 | 2015-07-13 | Ultrasonic dental descaler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104983479A true CN104983479A (en) | 2015-10-21 |
Family
ID=54295478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510407824.5A Pending CN104983479A (en) | 2015-07-13 | 2015-07-13 | Ultrasonic dental descaler |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104983479A (en) |
| WO (1) | WO2017008507A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017008507A1 (en) * | 2015-07-13 | 2017-01-19 | 桂林市啄木鸟医疗器械有限公司 | Ultrasonic dentistry scaling apparatus |
| CN106425294A (en) * | 2016-09-21 | 2017-02-22 | 宝鸡鑫诺新金属材料有限公司 | Preparation technique for magnetostriction TC4 alloy bar special for dental department |
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- 2015-07-13 CN CN201510407824.5A patent/CN104983479A/en active Pending
-
2016
- 2016-02-23 WO PCT/CN2016/074309 patent/WO2017008507A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2017008507A1 (en) | 2017-01-19 |
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Application publication date: 20151021 |
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