CN101317787B - Preventing system for dental instruments - Google Patents
Preventing system for dental instruments Download PDFInfo
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- CN101317787B CN101317787B CN2008100957173A CN200810095717A CN101317787B CN 101317787 B CN101317787 B CN 101317787B CN 2008100957173 A CN2008100957173 A CN 2008100957173A CN 200810095717 A CN200810095717 A CN 200810095717A CN 101317787 B CN101317787 B CN 101317787B
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Abstract
A prevention system (100) of a dental hand piece (101) is used for selecting out a shape and provided with an outlet (112) from which liquid can flow to an operation area. The shape of a shell (102) is basically similar to the shape of the hand piece (101). The shell encloses the dental hand piece (101) and comprises a pore (118) that is communicated with the operation area. An S-shaped valve (600) comprises a route (605) for connecting the liquid from the outlet (118) of the hand piece (101) to the pore (118) of the shell.
Description
The application is on February 4th, 2002 for the applying date that applicant Eric V Wei De submits to, and denomination of invention is divided an application for the application of " prevention system and the method for using thereof that are used for dental instrument ".
Technical field
The present invention relates generally to a kind of dental instrument, more specifically, relates to a kind of prevention system and method for using thereof that is used for dental instrument.
Background technology
In recent years, because infectious disease increases to the probability that patient propagates to doctor and patient to patient, patient the doctor, each medical industry has been suffered stricter examination.In dental clinic, this situation is particularly outstanding, and wherein, dental instrument and potential harmful fluid of in the oral cavity, finding or blood carry pathogen and directly contacts, for example hepatitis B and HIV.Because the case number of predictable infection hepatitis B and HIV increases, the patient who more carries said infection will treat known or unknownly in odontologist.Therefore, the probability of these dangerous infectious disease generation accidental transmission can increase accordingly.
A kind of special transmitted pathogen approach in the dental clinic is to drive dental handpiece (handle piece) through high speed and velocity air.These utensils in use directly contact with patient's oral cavity, and often collect blood, detrital grain and other microorganisms and particulate, it carries the pathogen propagation source for blood, comprises the propagation of hepatitis B and HIV.Because potential pathogen is through the propagation of dental handpiece; Detailed guide has been issued at industrial security and health control center (theOccupational Safety and Health Administration), and this guide is used to instruct processing and the sterilization of these utensils after being used for each patient.Wherein, the correct sterilization of handpiece is included under about 15psi and 121 degrees centigrade utensil is carried out halfhour time autoclave sterilization (it often is not very effective using the cold sterilization of disinfectant solution).Although this requirement is very necessary, because the time increase that causes of the time of autoclave sterilization and cooling apparatus needs, reduced the patient's that odontologist can effectively treat in regular working day number significantly.(in thousands of dollars scope, this makes that this utensil that is difficult to keep a large amount of economically is to handle the patient's amount that increases to the cost of dental handpiece at the hundreds of dollar).And multiple autoclave sterilization has reduced the service life of utensil self.
Another item relevant with high-speed dental hand piece is the noise level that odontologist faces.Common high-speed dental hand piece produces the noise of frequency in 2000 to 3500 hertz of scopes, and its amplitude is generally 80 decibels under about 2000 hertz.Consider that the dentist was exposed under the noise of dental instrument average weekly work many hours, after many years, it is disorderly that dental practitioner can stand certain type audition potentially.
In a word, need a kind of method and apparatus, it can provide and prevent that potential harmful fluid or the blood found in dental handpiece and the oral cavity carry the practical means that pathogen directly contacts.And, if this apparatus and method can also reduce the noise level that dental practitioner faces when using such handpiece, then be very favorable.
Summary of the invention
Disclosing a kind of being used to has selected shape and has the dental handpiece prevention system that is used for providing to the operating space fluidic outlet.The similar shell of shape of shape fundamental sum handpiece is set, is used to surround this dental handpiece.Shell comprises the hole that is communicated with the operating space.The valve of S shape comprises the path of the fluid from the handpiece outlet being sent to the hole of shell.
Principle of the present invention also is embodied in the dental system that comprises handpiece, inner shell and shell.This handpiece comprises brill (burr) and air and the water out that is used for carrying out in the operating space, oral cavity dental procedure.This inner shell has the shape with handpiece shape basically identical, and surrounds this handpiece.This inner shell has in order to first hole that receive to bore with so that second hole that passes through from the empty G&W of the air of handpiece and water out.This shell has the shape with the inner shell basically identical, and surrounds inner shell.This shell also comprises in order to first hole that receive to bore with so that come second hole of operating space from the empty G&W of the air of handpiece and water out.
A kind of method of protecting dental handpiece can in the dentistry disposal process, not be exposed to potential danger is also disclosed.A kind of such method comprises the step of surrounding handpiece with the inner shell of the shape of handpiece character basically identical with having.This inner shell comprises in order to receiving and first hole of the brill that handpiece links together, and second hole that passes through of the fluid that the outlet on the handpiece is provided.This method also comprises the step of surrounding inner shell with shell, and this shell has in order to receive first hole that bores and to make second hole that outputs to the dental procedure district at the fluid of second hole of inner shell.
In addition, a kind of drillstring component that uses together with dental handpiece is also disclosed.This assembly comprises dental burr and the splash guard that links together with this dental burr, and it has the device that liquid and chip are discharged from handpiece during boring rotation.
In a word, principle of the present invention provides a kind of dental handpiece that prevents in the dentistry disposal process, to carry the practical means that pathogen directly contacts with potential harmful fluid or blood.And said double-shelled system very the earth has reduced the noise level that dental practitioner faces in disposal process.
Description of drawings
In order more intactly to understand the present invention and advantage thereof, combine accompanying drawing to describe the present invention at present, in the accompanying drawing:
Figure 1A-C illustrates a series of perspective views of the interior part of the dental handpiece-shell systems of principle according to the present invention;
Fig. 2 is shown specifically adapters, and it links to each other with traditional dentistry water and air source;
Fig. 3 is the summary view of shell in accordance with the principles of the present invention;
Fig. 4 is the view that illustrates according to dental handpiece/interior shell component arbitrary embodiment, that held by shell;
Fig. 5 provides the close-up view of the dental handpiece/interior shell component that is held by shell;
Fig. 6 A and 6B are the front and back perspective views of protective valve, and this valve is suitable for making air, water and light to come the outlet of inner shell from the corresponding outlet of handpiece;
Fig. 7 A-7C bores-perspective view of anti-sputter assembly, the brill that separates with assembly and the splash guard of separating with assembly; And
Fig. 8 is linearity (in-line) air that is suitable for using together with dental handpiece shown in Figure 1 and the decomposition view of water filter, shows the adapters that when filter outwards is exposed to handpiece, filter is connected with handpiece simultaneously.
The specific embodiment
Through with reference to the embodiment shown in Fig. 1-7, with making principle of the present invention obtain best understanding, in the accompanying drawing, similarly Reference numeral refers to similar parts.
Figure 1A-1C illustrates a series of perspective views of the interior part of dental handpiece-shell systems 100 in accordance with the principles of the present invention.Main element shown in these figure comprises the dental handpiece 101 of high-speed air-driven and first or the inner shell of being made up of the first and second mutual half part 103a that lock and 103b 102.Said two and half parts, the 103 mirror images symmetry of inner shell 102, and have the size and dimension that is suitable for holding and surrounding handpiece 101 usually.The major part of handpiece 101 is main body 104, handle 105, cervical region 106 and head 107.Cervical region 106 is arranged on the main body 104 with certain angle, thereby makes head 107 be arranged on main body 104 and the handle 105 with opposite angle.
Be positioned at head 107 places and be close to that to bore that receiver hole 108 is positioned at it under be the supply air delivery pipe and export 111 and fibre optics lamp 112.The bushing pipe (tubing) that is positioned at handpiece 101 is carried to outlet 110 and 111 with water and the compressed air of about 5-60psi respectively from adapters 113.
The adapters 113 that links to each other with traditional water and air source is shown in Fig. 1 C, and its details more specifically is illustrated among Fig. 2.Adapters 113 comprises in order to the hole of introducing water or hole (receptacle) 114, in order to the hole of admission of air or hole 115 and in order to will pass to the lamp housing 116 of head 107 from the light in fibre optics lamp source.
Preferably, two and half parts 103 of inner shell 102 are processed to the plastics the 100mm at 0.01mm by thickness range.Preferably, along the outward flange of half part 103 bonding or fixing absorption band 117 otherwise.So, when the corresponding edge of two and half parts is abutted together, is provided with and prevents that hazardous fluids and granule from flowing into or the sealing of effusive first (inside).And, can utilize multiple material that absorption band 117 is carried out pretreatment and post processing (post-treat), said material comprises antiviral, antibiotic, antibiont or disinfecting substance, the barrier of propagating with further reinforcement opposing dangerous substance.When half part 103a and 103b are assembled together and when forming inner shell 102, limit permission arrives the dental procedure district from the light of light source 112 with from the water of water out 110 hole (aperture) 118.Particularly, hole 118 gets in the cavity of inner shell 102 in order to prevent hazardous fluids and chip as the one-way flow valve.Particularly, it is enough wide to discharge hole 118, gets under the pressure of air compressor to allow empty G&W, but enough narrow again, with the capillarity of inflow, fluidic surface tension of resisting fluid and other materials and the size that reduced.
Fig. 2 is the alternative of shell 102.In this case, two and half parts 201 of shell 102 are revolved with respect to half part 103 of the embodiment among Figure 1A and the 1B and are turn 90 degrees formation.
Fig. 2 also illustrates another very important characteristic of the principle according to the present invention.Particularly, half part 201b through inner shell 102 be provided with circumferentially or taper get out mouthful shell 202.The cone bur outlet is suitable for receiving drill tools, helps simultaneously to prevent that harmful substance and escape of liquid are in inner shell 102.
In the embodiment shown, two and half parts of inner shell 102 keep together through the friction lock shell, and it comprises a series of protruding lock dogs 121 and female apertures 122 in correspondence with each other.Each protruding lock dog 121 all comprises riser station or recess on the sidewall that is stuck in corresponding hole 122.Preferably, the corresponding half part 103b or the 201b of lock dog 121 and inner shell 102 are integrally formed, and can have the width of 0.01mm to the thickness of 10mm and 0.01mm to 50mm.Can the shape and the angle of the sidewall of hole 122 be provided with, to improve the interlocking ability with lock dog 121.
Fig. 3 is the summary view of shell 300 in accordance with the principles of the present invention.Similar with inner shell 102, shell 300 is preferably processed by injection molding and/or thermoforming plastic, certainly uses the for example other materials of rubber.Fig. 3 illustrates the shell 300 of open architecture, and its preparation is used to hold the assembly of being made up of handpiece 101 and inner shell 102.Similar with inner shell, shell 300 comprises two symmetric half part 301a and 301b.For example be that linkage 310 with the integrally formed plastic sheet of two and half part 301a of shell 300 and 301b allows the half part 301a and the 301b of main bodys to rotate relative to one another, to close shell 300.Shell 300 comprises that through use the friction lock mechanism of the female apertures 303 on protruding clamping block 302 and the opposite edges that are positioned at corresponding half part 301a and/or 301b is maintained in its closed position.As above said about inner shell 102, protruding lock dog 302 comprises the riser station or the recess of the sidewall of mutual pinning hole 303.Can also the shape or the angle of the sidewall of hole 303 be provided with, to improve the ability that clamps of lock dog 302.
Along the length of half and half main body 301a and 301b be provided with a plurality of treated antibionts, antiviral or disinfect be with 304 and 305.Be with 304 preferably to process, but also can use other similar absorbent materials by compressed cotton.Can handle it, for example use can be commercial that buy, such as the chemical compound of amoxicillin.In the embodiment shown, be with 304 to have certain angle and be with 305 bendings, like this, inner shell/dental handpiece assembly 100 can closely be assembled in the cavity of shell 300.Except provide prevent that hazardous fluids and chip from flowing into and effusive barrier, with 304 and 305 a series of mechanical absorbing component and bolsters that help to alleviate the noise that dental practitioner and patient stand are provided.
Around forming hole or hole 306 from handpiece 101 extended dental burr.Formation is located immediately at the additional hole 307 under the hole 306, arrives the operating space so that allow from the air of air outlet slit 111 and/or from the light of light source 112.In addition, at the receiving terminal formation hole 308 of shell 300, use so that from driving the compressed air discharge of the air turbine discharge of boring.
Fig. 4 illustrates according to one the view of dental handpiece/interior shell component among embodiment 100 or the embodiment 200, and wherein said assembly is held by shell 300.Among Fig. 4, two and half parts of shell 300 do not merge as yet and lock together to be completed into the shell of assembly.View after merging shown in Fig. 5.
Fig. 6 A and 6B are respectively the front and back views of the preferred protective valve 600 that is connected with the hole 118 of inner shell 102 of water out 110, air outlet slit 111 and the light source 112 with handpiece 101.Valve comprises main body 601, and its encirclement is used for air, water and the light of 603 receptions from the handpiece interface are sent to the pipe and the fibre optics silk of inner cover interface 602.
The water route 605 of sealing is shown in broken lines in Fig. 6 A.In zone 604, the water route side direction broadens and vertical attenuation.This characteristic has increased the Additional Protection that prevents the outlet of pollutant entering handpiece, and said outlet especially is easy to keep pollutant.Also can be with similar shape as air path, in order to know and for simplicity, it to be illustrated in the drawings.
At inner cover interface 602 places net or filter 606 are set.Filter 606 for example can be processed by absorbent materials such as for example compressed cotton, and it has the for example stable against biological contamination agent of amoxicillin.Add shell 609, when when handpiece transmits air or water, not using this shell.Preferably, shell 609 relative main bodys 601 close and open position between rotation and can spring-loaded, like this, when air compressed or water not when inner shell hole 118 flows out, this shell can automatically return to closed position (closing inner cover interface).
101 air outlet slits 111, the water out 110 and light source 112 alignings of hole 608a, 609a and 610a and handpiece and being communicated with, corresponding hole 608b, 609b and 620b through inner shell 102 with hole 118 alignings be communicated with.Can form a series of holes 611 at the sidepiece of valve body 601 selectively, in order to pollutant and the chip of ejecting/collecting in air and/or water route under the pressure of air and current self.
Preferably; Valve 600 is connected with handpiece 101 with inner shell 102 through friction lock mechanism, and this friction lock mechanism comprises that at least one protruding lock dog convexity and at least one that is positioned on of co-operating member is positioned at the corresponding shrinkage pool on another right element of cooperation.Can use the single friction lock mechanism 612 shown in Fig. 6 B; Wherein, On every side at corresponding interface 602/603, form one convexity or hole, perhaps use two friction lock mechanisms 613, its use is positioned at convexity and the hole on every side of given interface 602 or 603.
Fig. 7 A is the brill-splash guard assembly 700 that embodies principle of the present invention.Assembly 700 can use separately with handpiece 101 separately or be used in combination with inner shell 102 and shell 300.Assembly 700 comprises brill 701 and splash guard 702.Except that the component view that Fig. 7 A is provided, in Fig. 7 B, also illustrate and bore 701 side view, at the front view of splash guard 702 shown in Fig. 7 C.
Snap into through edge and to bore in 701 the V-arrangement recess 704, splash guard 702 is fixed to bores on 701 the inner pore 703 of splash guard 702.In fixed structure, splash guard 702 is around boring 701 rotations.Comprise a plurality of fins 705 on the inner surface of splash guard, it acts on similar fan blade.Fin 705 forces air, liquid and solid debris away from handpiece 101.Under this mode, can minimize the accumulation of chip around the brill end of handpiece 101.
Fig. 8 is the decomposition view of linear air and water filter 800, and it is arranged on the inside of handpiece 101, or as the part of the adapters that handpiece 101 and practitioner's conventional compression air are connected with the water source.Fig. 8 shows and is set in place within the adapters 801 of air flexible pipe (not shown) end filter 800 and the structure of the adapters 802 that is used for filter 800 is connected with handpiece 101.Adapters 801 cooperates through friction lock mechanism and adapters 802, and this locking mechanism comprises the protruding plug 803 that is positioned on the adapters 801 and is positioned at the shrinkage pool 804 on the adapters 802.
In the embodiment of shown filter 800, a water route 805 and an air path 806 are arranged.In alternative, can have a plurality of air and/or water route, principle of the present invention is suitable equally.Water obtains filtering through absorbent material 807, said absorbent material can be have amoxicillin for example antibiont and antiviral agent the compression cotton lace or thread.Preferably, material 807 can be a type or the net materials that has hole 808, and said hole can be rectangle, circle or oval-shaped.Air passes the for example absorbent material 809 of preforming Cotton Gossypii, and said absorbent material has the hole, and this hole less than or be significantly less than the wire material in water route, be more suitable for filtered air like this.
Although abovely described the present invention with reference to the specific embodiment, these descriptions are not limited to the present invention.To those skilled in the art, with reference to after the description of the invention, various distortion of the disclosed embodiments and alternative of the present invention all are obvious.Thereby it should be appreciated by those skilled in the art that disclosed notion and the specific embodiment can be easily with realizing identical purpose of the present invention in the basis that makes an amendment or design other structure.Those skilled in the art also should be appreciated that the spirit and scope of the present invention that said equivalent structure does not break away from claims and proposed.
Therefore, should think that claims of the present invention cover all modifications and the embodiment that falls in the true scope of the present invention.
Claims (2)
1. dental system, the drillstring component that it has dental handpiece and uses with this dental handpiece, wherein this drillstring component comprises:
Dental burr; And
Splash guard, itself and said dental burr link together, and this splash guard comprises, inner surface, outer surface, the inward flange of qualification hole and a plurality of fin that extends to said inward flange from said inner surface, said inward flange engages with said dental burr.
2. dental system as claimed in claim 1, wherein, said splash guard is connected with said dental burr through said inward flange being snapped into the V-arrangement recess that is formed on the said brill.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/426,219 US6350124B1 (en) | 1999-10-22 | 1999-10-22 | Prophylactic systems for dental instruments and methods for using the same |
| PCT/US2002/003351 WO2003065919A1 (en) | 1999-10-22 | 2002-02-04 | Prophylactic systems for dental instruments and methods for using the same |
| US10/068,626 US6948934B2 (en) | 1999-10-22 | 2002-02-05 | Prophylactic systems for dental instruments and methods for using the same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028285565A Division CN100418490C (en) | 1999-10-22 | 2002-02-04 | Prophylactic system for dental instruments and method for using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101317787A CN101317787A (en) | 2008-12-10 |
| CN101317787B true CN101317787B (en) | 2012-03-28 |
Family
ID=40202863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100957173A Expired - Fee Related CN101317787B (en) | 1999-10-22 | 2002-02-04 | Preventing system for dental instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101317787B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693871A (en) * | 1986-04-09 | 1987-09-15 | Paul Geller | Disposable aseptic sheath for dental handpieces |
| US4789336A (en) * | 1987-06-25 | 1988-12-06 | Cheri Lewis | Art of protecting a dental instrument |
| US5490781A (en) * | 1992-09-09 | 1996-02-13 | Wade; Eric V. | Adjustable, sanitary, non-reusable high speed and low speed dental hand piece glove (cover) and noise reducer |
| CN1117379A (en) * | 1994-04-11 | 1996-02-28 | 株式会社森田制作所 | Dental handpiece with a built-in illuminator |
| US5893712A (en) * | 1997-02-06 | 1999-04-13 | Welch Allyn, Inc. | Gripping handle for diagnostic instrument |
| CN1252257A (en) * | 1998-10-27 | 2000-05-10 | 株式会社中西 | Dental hand held piece having dust removing device |
-
2002
- 2002-02-04 CN CN2008100957173A patent/CN101317787B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4693871A (en) * | 1986-04-09 | 1987-09-15 | Paul Geller | Disposable aseptic sheath for dental handpieces |
| US4789336A (en) * | 1987-06-25 | 1988-12-06 | Cheri Lewis | Art of protecting a dental instrument |
| US5490781A (en) * | 1992-09-09 | 1996-02-13 | Wade; Eric V. | Adjustable, sanitary, non-reusable high speed and low speed dental hand piece glove (cover) and noise reducer |
| CN1117379A (en) * | 1994-04-11 | 1996-02-28 | 株式会社森田制作所 | Dental handpiece with a built-in illuminator |
| US5893712A (en) * | 1997-02-06 | 1999-04-13 | Welch Allyn, Inc. | Gripping handle for diagnostic instrument |
| CN1252257A (en) * | 1998-10-27 | 2000-05-10 | 株式会社中西 | Dental hand held piece having dust removing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101317787A (en) | 2008-12-10 |
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