CN100435749C - Dental handset and its water delivery tracheal tract back-pollution stopping and sterilizing method and device - Google Patents
Dental handset and its water delivery tracheal tract back-pollution stopping and sterilizing method and device Download PDFInfo
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- CN100435749C CN100435749C CNB2005100486735A CN200510048673A CN100435749C CN 100435749 C CN100435749 C CN 100435749C CN B2005100486735 A CNB2005100486735 A CN B2005100486735A CN 200510048673 A CN200510048673 A CN 200510048673A CN 100435749 C CN100435749 C CN 100435749C
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Abstract
The present invention provides a dental hand piece, a method and a device for preventing the resorption pollution of a water and air delivery pipeline and flushing the water and air delivery pipeline for disinfection. The method comprises the steps that a pressure induction switch and an electromagnetic valve are installed on the water and air delivery pipeline at the rear end of the dental hand piece and the pressure induction switch controls the electromagnetic valve; when the working air flow of the pressure induction switch is cut off, the electromagnetic valve is opened so that the working air and water flow pipe is communicated with the atmosphere to avoid the production of negative pressure in the working air and water flow pipe so as to avoid resorption pollution. The device comprises a non-return valve diverging device, a pressure induction switch, an electromagnetic valve and a disinfecting/cleaning container, wherein the front end of the non-return valve diverging device is connected with a pipeline for working air flow, water flow, cooling air, return air, spray cleaning lubricants and disinfectants and the rear end is connected with a pipeline for the working air flow, the water flow, the cooling air and the return air of the dental handset so as to provide a cocurrent channel for disinfectant cleaning water, etc.
Description
Technical field
The invention belongs to a kind of high speed dental turbo mobile phone and water delivery tracheal tract back-pollution stopping thereof and carry out the method and apparatus of irrigation and disinfection.
Background technology
The high speed dental turbo mobile phone that dentistry is used clinically hereinafter to be referred as dental handpiece, is to carry out " people one machine " disinfectant, otherwise will causes cross infection between the patient.In blood born diseases such as acquired immune deficiency syndrome (AIDS), hepatitis popular today, the sterilization of dental handpiece and the water delivery feed channel that is attached thereto just seems even more important.The dental handpiece rear end connects the water delivery feed channel of being made up of working air current, working flow, return-air, cooling trachea.Dental handpiece is when boring tooth work, and promoting turbine by highly compressed working air current changes high speed rotating with per minute 300,000; By working flow turbine and bearing are carried out water cooling; After having working air current to promote the turbine rotation in the muffler, can not be from the unnecessary air-flow reverse reflux of dental handpiece top steam vent discharge; The cooling trachea is standby, does not have the air communication mistake.At this moment, working air current pipe internal pressure is 0.12 to 0.18MPa.When the work of disconnection gas, current, the turbine of dental handpiece can be extracted the aqueous vapor in dental handpiece rear end work gas, the water flow pipes out, and form negative pressure in pipe because inertia is rotated further a period of time, and negative pressure is generally less than-0.05MPa.When turbine stopped operating, negative pressure can enter dirts such as intraoral saliva of patient and blood in the water delivery feed channel of dental handpiece and its rear end again from dental handpiece top resorption, caused resorption to pollute.Same dental handpiece is when boring tooth treatment for the next bit patient, and these crimson blood residual liquids can enter in next bit patient's the oral cavity along with the working water air-flow, cause medical cross infection.Therefore, be necessary to eliminate fully the resorption contamination phenomenon of mobile phone and its rear end water delivery feed channel, and it is carried out thorough disinfection.Having anti-resorption pollution technology now mainly is that anti-suck back valve is installed on the dental handpiece top, but this technology is not stopped the resorption pollution as yet fully; Sterilization method clinically also is only limited to mostly at dental hand set disinfecting, and it is unheeded often to the sterilization of the water delivery feed channel resorption contaminated area of its rear end, fail to accomplish the sterilization of " people one machine ", brought very big medical cross infection risk to dental treatment.
Summary of the invention
Purpose of the present invention is exactly to propose a kind of resorption that can stop dental handpiece and its rear end water delivery feed channel fully to pollute, and can keep under dental handpiece and the situation that the water delivery feed channel is connected, each water delivery trachea of dental handpiece surface, dental handpiece and rear end is carried out the method and apparatus of irrigation and disinfection, to stop the cross infection that dental handpiece causes in treatment work, improve the public health security level of dental handpiece in carrying out treatment work.
The dental handpiece that the present invention proposes and the method for water delivery tracheal tract back-pollution stopping and irrigation and disinfection thereof, it is characterized in that on the working water gas flow tube of dental handpiece rear end, inserting electromagnetic valve and the pressure-sensitive switch that is communicated with atmosphere, allow pressure-sensitive switch control the switching of electromagnetic valve, dental handpiece electromagnetic valve when disconnecting working air current is in time opened, and avoids the negative pressure in the working water gas flow tube to produce.
Check (non-return) valve part flow arrangement of serial connection on each arm of dental handpiece rear end water delivery feed channel, the corresponding pipeline that allows disinfectant, rinse water and spray cleaning lubricant carry out the dental handpiece rear end is respectively washed, is sterilized, cleaning and lubricating maintenance.
This dental handpiece that the present invention proposes and the device of water delivery tracheal tract back-pollution stopping and irrigation and disinfection thereof, it is characterized in that it is the check (non-return) valve part flow arrangement that four chambers are arranged, four chambers are respectively the working air current chambers, the working flow chamber, cooling air chamber and sterilization/rinse water conversion chamber, the working air current chamber has the working air current valve to be connected with the working air current pipe of upstream, the disinfectant valve that enters the working air current chamber is connected with sterilization/rinse water conversion chamber outlet, spray cleaning lubricant valve is connected with spray cleaning lubricant bottle, and the working air current outlet is connected with the working air current pipe of dental handpiece rear end; The working flow chamber has the working flow valve to be connected with the working flow pipe of upstream, and the disinfectant valve that enters the working flow chamber is connected with sterilization/rinse water conversion chamber outlet, and the working flow outlet is connected with the working flow pipe of dental handpiece rear end; The cooling air chamber has cooling air valve, return-air valve to be connected with cold gas, the muffler of upstream, the disinfectant valve that enters the cooling blast chamber is connected with sterilization/rinse water conversion chamber outlet, and the cold gas outlet is connected with cold gas, the muffler of dental handpiece rear end respectively with the return-air outlet; Three disinfectant outlets of disinfectant/rinse water conversion chamber are connected with above-mentioned three chambers respectively, and the cleaning water valve connects the cleaning water pipe and on-off control is arranged, and the disinfectant inlet valve connects the disinfectant pump discharge.
With a supporting anti-suck-back device of check (non-return) valve part flow arrangement, constitute by pressure-sensitive switch and electromagnetism, prop up in working air current, working flow pipeline or the side in check (non-return) valve part flow arrangement downstream and to connect an open type or closed type electromagnetic valve respectively, working air current pipe between electromagnetic valve and check (non-return) valve part flow arrangement or side are propped up and are connected a pressure-sensitive switch, pressure-sensitive switch is being controlled two electromagnetic valves, one end of electromagnetic valve communicates with working air current pipeline, working flow pipeline respectively, and the other end is the vent that communicates with atmosphere.
With the supporting flushing/disinfecting container of check (non-return) valve part flow arrangement, by dirt eluant container, disinfecting container and disinfectant clean container are formed at least, on dirt eluant container and the disinfectant clean container wall spout is arranged all, pump orifice is arranged on the disinfecting container wall and be connected with the disinfectant pump.
Disinfecting container is two and is equipped with the formula container mutually that one of resting state has seal cover.
The irrigation and disinfection process of apparatus of the present invention is: keep dental handpiece and the connection of water delivery trachea cable, shut off valve on the mobile phone mounting is inserted into the support place of this dental handpiece correspondence, disconnect the working water source of the gas of this dental handpiece and be in idle state.Dental handpiece is placed the dirt eluant container, open the High-Pressure Water of the flushing spout on cleaning water valve and the sidewall, the pipeline to the work gas of dental handpiece and its rear end, working water, cold gas, return-air also has the dental handpiece surface to clean.Then, mobile phone is placed disinfecting container, in this container disinfectant is housed, start the disinfectant pump, disinfectant enters mobile phone inside along the duct route of work gas, working flow, cold gas, return-air, flow back in the disinfecting container from the dental handpiece top, forms the disinfectant flow circuits.Dental handpiece is fully immersed in and carries out surface sterilization in the disinfectant.Sterilization finishes, and closes the disinfectant pump, and mobile phone is placed the disinfectant clean container, opens the High-Pressure Water of cleaning water valve and disinfectant eluant container sidewall flushing spout, and pipeline is removed in cleaning, mobile phone is inner and surperficial residual disinfectancy agent.After sterilization, cleaning are finished, open spray cleaning lubricant bottle, lubricating oil carries out the lubricating maintenance of dental handpiece with the turbine and the bearing place of spray by working air current pipeline arrival dental handpiece.When flushing, sterilization or lubricating maintenance, pressure-sensitive switch is respectively under the pressure effect during by the working air current pipeline of clean water, disinfectant, spray cleaning lubricant, make two kinds of electromagnetic valves be in closed condition, clean water, disinfectant, spray cleaning lubricant can not leak.Through after such process, just can guarantee inside and outside the dental handpiece and the thorough disinfection of its rear end water delivery feed channel, and carry out lubricating maintenance, can bore tooth treatment to following patient relievedly.
The resorption pollution course of stopping of apparatus of the present invention is: adopt under the situation of normal-open electromagnetic valve door, work as dental handpiece, when turbine was in the operate as normal high speed rotating, the electrode of pressure-sensitive switch was in on-state, two electromagnetic valve circuit energisings, electromagnetic valve is in closed condition.When work gas, when current disconnect, the electrode of pressure-sensitive switch also disconnects simultaneously, and electromagnetic valve is opened synchronously.Adopt under the situation of closed type electromagnetic valve, work as dental handpiece, when turbine is in the operate as normal high speed rotating, the electrode of pressure-sensitive switch is in off-state, electromagnetic valve is in closed condition, and when pressure-sensitive switch was experienced certain suction function, electrode was also connected, two electromagnetic valve circuit energisings, electromagnetic valve is opened synchronously.Two methods can be when the dental handpiece turbine be in the operate as normal high speed rotating, and electromagnetic valve is in closed condition, and the work gas of dental handpiece, water pipe are hedged off from the outer world, and is equivalent to existing dental handpiece, can not cause gas, watery diarrhea to leak; When the dental handpiece turbine rotates owing to inertia, electromagnetic valve is opened, and air enters dental handpiece working air current pipe and working flow pipe immediately from vent, keeps consistent with external atmospheric pressure in the pipeline, avoid forming negative pressure, just resorption can not occur when turbine stops operating fully and pollute.
Of the present invention novel, can not only stop dental handpiece fully and produce the resorption pollution, also unidirectional following current ground carries out the cleaning of irrigation and disinfection and sterilization front and back to dental handpiece and water delivery feed channel inside, and soaking disinfection has also been carried out on the mobile phone surface, and the dead angle is not thoroughly stayed in sterilization.In addition, also carried out the lubricating maintenance of dental handpiece.For preventing that cross infection and dental handpiece maintenance is used in the dental treatment, hospital provides technical guarantee.
Description of drawings
Accompanying drawing 2 is check (non-return) valve part flow arrangement front view (positive portion looks).
Accompanying drawing 3 is check (non-return) valve part flow arrangement left view (states when pipeline disconnects).
Accompanying drawing 4 is check (non-return) valve part flow arrangement right view (states when pipeline disconnects).
Accompanying drawing 5 is check (non-return) valve part flow arrangement vertical views.
Accompanying drawing 6 is pressure-sensitive switch front views.
Accompanying drawing 7 is pressure-sensitive switch A-A sectional views.
Accompanying drawing 8 is disinfecting container and complete container front view (normal cross-section).
Accompanying drawing 9 is working air current and working flow shut off valve front views on the operating handset pedestal.
Accompanying drawing 10 is vertical views of accompanying drawing 9.
The label of each parts is as follows among the accompanying drawing 1-10: the 1-dental handpiece; The 2-disinfecting container; 3-disinfectant pump orifice; 4-working air current pipe; 5-working flow pipe; The 6-muffler; 7-cools off trachea; 8-spray cleaning lubricant bottle; 9-electromagnetic valve (open type); 10-electromagnetism brake lining; The 11-electric magnet; The electrode of 12-pressure-sensitive switch; The 13-spring; 14-pressure-sensitive switch (normal pressure connection type); The outlet of 15-working flow; The outlet of 16-working air current; 17-check (non-return) valve part flow arrangement; 18-spray cleaning lubricant valve; 19-working air current valve; The disinfectant valve of 20-inlet air flow chamber; 21-working flow valve; The disinfectant valve of 22-feed water flow chamber; 23-return-air pipe valve; 24-cools off air valve; 25-advances to cool off the disinfectant valve of air chamber; The outlet of 26-disinfectant; 27-cleans water valve; 28-disinfectant inlet valve; The outlet of 29-cold gas; The outlet of 30-return-air; 31-disinfectant pump; The 32-lead; 33-pressure-sensitive switch seat board; 34-dirt eluant container; The sealing-plug that 35-water delivery feed channel is passed from central authorities; The flushing spout of 36-dirt eluant container; 37-conventional seals plug; The standby disinfecting container of 38-; The flushing spout of 39-disinfectant clean container; 40-disinfectant clean container; The 41-sewage draining exit; Shut off valve on the 42-mobile phone mounting.
The specific embodiment
Now the I class Type B AM8900 type " chair dress formula dental therapeutic apparatus " with in February, 001 production of Changhong Shanghai triumph medical apparatus and instruments company limited is adapted as example, the dental handpiece of this equipment is the Pneumatic turbine type head, its power is high pressure draught, provide by air pump, working flow has special high-pressure working flow pipe, and cold gas and return-air also have corresponding junction.Mobile phone is connecting four pipelines, forms a pipe cable.Check (non-return) valve is with the size of 1: 1.5 ratio, press the structure fabrication check (non-return) valve part flow arrangement (17) of Fig. 2-5, the check (non-return) valve of each chamber (18)-(25) are the valve of same specification, and they all are in closed condition at ordinary times, are to push open by the pressure of the gas that enters chamber or liquid to enter.Disinfectant outlet (26), working air current outlet (16), working flow outlet (15), return-air outlet (30), cold gas outlet (29) all have corresponding pipeline to be connected with the pipeline cable of dental handpiece rear end, and annexation as shown in Figure 1.Cleaning water valve (27) and disinfectant inlet valve (28) also are check (non-return) valves, annexation such as Fig. 1.Adopt Q22 open type or closed type electromagnetic valve, produced by the Fenghua City pneumatic Engineering Co., Ltd that increases income, the work gas, the water pipe side that are connected to check (non-return) valve part flow arrangement downstream are propped up.Adopt KL81 absolute type pressure switch, produce by NAGANO KEIKI NKS Co., Ltd., the side that is connected the working air current pipeline between check (non-return) valve part flow arrangement and the electromagnetic valve is propped up, regulate make it pressure 〉=0.02MPa or≤-during 0.01MPa, the electrode of switch is connected.The annexation of electromagnetic valve and pressure-sensitive switch device, check (non-return) valve part flow arrangement and dental handpiece as shown in Figure 1.Dirt eluant container (34), disinfecting container (2), standby disinfecting container (38) and disinfectant eluant container (40) are made the shape of vial, and are fixed on the mounting that is similar to test tube rack on the workbench of therapeutic equipment.On flushing water spout (36) on each container and (39), the sewage draining exit (41), the size of each container is determined with Fig. 8's.More than NM parts and they annexation as mentioned above.After more than device connects, working air current, working flow, muffler and the cooling blast of water delivery feed channel upper reaches end are inserted on each corresponding pipeline of check (non-return) valve part flow arrangement at tooth.
As disinfectant, do closed circulation sterilization, the disinfectant periodic replacement with the Ozone Water of 〉=8mg/L etc.This routine improved dental equipment is through on probation in certain region hospital, and through the antibacterial culturing check, anti-resorption pollution and Disinfection Effect are fine, and the patient is relieved, and the doctor saves worry, and receives an acclaim.
Transform the AM2060A chair of same manufacturer production with the present invention and adorn the effect that the formula dental therapeutic apparatus has been obtained same satisfaction.
Claims (6)
1, a kind of dental handpiece and water delivery tracheal tract back-pollution stopping thereof and disinfectant method, it is characterized in that on the working water gas flow tube of dental handpiece rear end, inserting electromagnetic valve and the pressure-sensitive switch that is communicated with atmosphere, allow pressure-sensitive switch control the switching of electromagnetic valve, dental handpiece electromagnetic valve when disconnecting working air current is in time opened, and avoids the negative pressure in the working water gas flow tube to produce.
2, dental handpiece according to claim 1 and water delivery tracheal tract back-pollution stopping thereof and disinfectant method, it is characterized in that on each arm of mobile phone rear end water delivery feed channel check (non-return) valve part flow arrangement of serial connection, the corresponding pipeline that allows disinfectant, rinse water and spray cleaning lubricant enter the dental handpiece rear end is respectively washed, is sterilized, cleaning and lubricating maintenance.
3, a kind of dental handpiece and water delivery tracheal tract back-pollution stopping thereof and disinfectant device, it is characterized in that it is the check (non-return) valve part flow arrangement that four chambers are arranged, four chambers are respectively working air current chamber, working flow chamber, cooling air chamber and sterilization/rinse water conversion chamber, the working air current chamber has the working air current valve to be connected with the working air current pipe of upstream, the disinfectant valve that enters the working air current chamber is connected with sterilization/rinse water conversion chamber outlet, spray cleaning lubricant valve is connected with spray cleaning lubricant bottle, and the working air current outlet is connected with the working air current pipe of dental handpiece rear end; The working flow chamber has the working flow valve to be connected with the working flow pipe of upstream, and the disinfectant valve that enters the working flow chamber is connected with sterilization/rinse water conversion chamber outlet, and the working flow outlet is connected with the working flow pipe of dental handpiece rear end; The cooling air chamber has cooling air valve, return-air valve to be connected with cold gas, the muffler of upstream, the disinfectant valve that enters the cooling blast chamber is connected with sterilization/rinse water conversion chamber outlet, and the cold gas outlet is connected with cold gas, the muffler of dental handpiece rear end respectively with the return-air outlet; Three disinfectant outlets of disinfectant/rinse water conversion chamber are connected with above-mentioned three chambers respectively, and the cleaning water valve connects the cleaning water pipe and on-off control is arranged, and the disinfectant inlet valve connects the disinfectant pump discharge.
4, dental handpiece according to claim 3 and water delivery tracheal tract back-pollution stopping thereof and disinfectant device, it is characterized in that an anti-suck-back device supporting with the check (non-return) valve part flow arrangement, constitute by pressure-sensitive switch and electromagnetism, working air current in check (non-return) valve part flow arrangement downstream, working flow pipeline or side are propped up and are connected an open type or closed type electromagnetic valve respectively, working air current pipe between electromagnetic valve and check (non-return) valve part flow arrangement or side are propped up and are connected a pressure-sensitive switch, pressure-sensitive switch is being controlled two electromagnetic valves, one end of electromagnetic valve respectively with the working air current pipeline, the working flow pipeline communicates, and the other end is the vent that communicates with atmosphere.
5, dental handpiece according to claim 3 and water delivery tracheal tract back-pollution stopping thereof and disinfectant device, it is characterized in that and the supporting flushing/disinfecting container of check (non-return) valve part flow arrangement, at least form by dirt eluant container, disinfecting container and disinfectant clean container, on dirt eluant container and the disinfectant clean container wall spout is arranged all, pump orifice is arranged on the disinfecting container wall and be connected with the disinfectant pump.
6, according to claim 3 or 5 described dental handpieces and water delivery tracheal tract back-pollution stopping and disinfectant device, it is characterized in that disinfecting container is two and is equipped with the formula container mutually, one of resting state has seal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100486735A CN100435749C (en) | 2005-12-07 | 2005-12-07 | Dental handset and its water delivery tracheal tract back-pollution stopping and sterilizing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100486735A CN100435749C (en) | 2005-12-07 | 2005-12-07 | Dental handset and its water delivery tracheal tract back-pollution stopping and sterilizing method and device |
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| Publication Number | Publication Date |
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| CN1775184A CN1775184A (en) | 2006-05-24 |
| CN100435749C true CN100435749C (en) | 2008-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100486735A Expired - Fee Related CN100435749C (en) | 2005-12-07 | 2005-12-07 | Dental handset and its water delivery tracheal tract back-pollution stopping and sterilizing method and device |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100574738C (en) * | 2007-12-12 | 2009-12-30 | 刘帆 | A kind of preventing from resorbting pollution on dental curing platform method and apparatus |
| TWI551306B (en) * | 2012-05-29 | 2016-10-01 | 財團法人工業技術研究院 | Cleaning and sterilizing method and the system for the therapy handpiece |
| CN104434459B (en) * | 2014-12-23 | 2015-11-18 | 南京医科大学附属口腔医院 | The independent water tank of dental unit |
| MX2020002580A (en) * | 2017-09-27 | 2020-07-20 | Merck Patent Gmbh | Sanitation assembly and method. |
| CN111420093A (en) * | 2020-04-22 | 2020-07-17 | 刘强 | Dental chair pipeline disinfection system and dental chair pipeline suck-back prevention method |
| CN113768648B (en) * | 2021-09-07 | 2023-03-17 | 安特速医疗服务无锡有限公司 | Dental four-hole high-speed handset integral cleaning treatment method |
| CN114306681B (en) * | 2021-12-25 | 2023-04-11 | 提技贸易(上海)有限公司 | Automatic pipeline disinfection system and method |
| CN114472357B (en) * | 2022-04-01 | 2022-07-01 | 山东第一医科大学第一附属医院(山东省千佛山医院) | Device and method for cleaning and disinfecting pipelines of oral cavity door diagnosis and treatment chair |
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| US5318443A (en) * | 1992-10-29 | 1994-06-07 | Overmyer Thad J | Method of flushing, disinfecting and lubricating a dental turbine handpiece |
| CN1198919A (en) * | 1997-05-13 | 1998-11-18 | 田洋四郎 | Internal pollution apparatus for handpieces |
| WO2002102268A1 (en) * | 2001-06-20 | 2002-12-27 | Mehmet Ergin Karadag | Devices preventing the backward absorption, flow of the water and air going to the hand pieces |
| CN1419897A (en) * | 2001-11-20 | 2003-05-28 | 贾建卫 | Method and apparatus for sterilizing handset of dental turbo-drills |
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2005
- 2005-12-07 CN CNB2005100486735A patent/CN100435749C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5318443A (en) * | 1992-10-29 | 1994-06-07 | Overmyer Thad J | Method of flushing, disinfecting and lubricating a dental turbine handpiece |
| CN1198919A (en) * | 1997-05-13 | 1998-11-18 | 田洋四郎 | Internal pollution apparatus for handpieces |
| WO2002102268A1 (en) * | 2001-06-20 | 2002-12-27 | Mehmet Ergin Karadag | Devices preventing the backward absorption, flow of the water and air going to the hand pieces |
| CN1419897A (en) * | 2001-11-20 | 2003-05-28 | 贾建卫 | Method and apparatus for sterilizing handset of dental turbo-drills |
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| CN1775184A (en) | 2006-05-24 |
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Granted publication date: 20081126 Termination date: 20101207 |