WO2005039437A1 - Munddusche und handstück für eine munddusche - Google Patents
Munddusche und handstück für eine munddusche Download PDFInfo
- Publication number
- WO2005039437A1 WO2005039437A1 PCT/EP2004/008378 EP2004008378W WO2005039437A1 WO 2005039437 A1 WO2005039437 A1 WO 2005039437A1 EP 2004008378 W EP2004008378 W EP 2004008378W WO 2005039437 A1 WO2005039437 A1 WO 2005039437A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mixing chamber
- mixing
- handpiece
- reservoir
- spray nozzle
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
- A61C3/025—Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth
-
- 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
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
-
- 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
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
- A61C17/032—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication using pressurised tap-water, e.g. rinsing devices specially adapted for being connected to the main water supply
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0061—Air and water supply systems; Valves specially adapted therefor
- A61C1/0076—Sterilising operating fluids or fluid supply elements such as supply lines, filters
Definitions
- the invention relates to an oral irrigator with a line leading from a water container to a spray nozzle and an additional reservoir for supplying a treatment agent to the spray nozzle.
- the treatment agent can be, for example, a mouthwash or abrasive substances which intensify tooth cleaning.
- the invention is based on the problem of developing an oral irrigator which offers this possibility of simultaneously supplying water and a treatment agent to the spray nozzle.
- the oral irrigator has means for continuously admixing the treatment agent to the water flowing to the spray nozzle.
- the admixture of the treatment agent to the water flowing to the spray nozzle ensures that the desired additives are already introduced into the teeth or into the mouth when the oral irrigator is used to clean the teeth.
- the reservoir is preferably designed as a mixing reservoir and is arranged between the water container and the spray nozzle, so that the water conveyed to the spray nozzle is guided through the mixing reservoir.
- the substrate can be, for example, a solid substrate in the form of a tablet or a semi-solid substrate in the form of a gel, a paste or the like.
- a pump that delivers the water to the spray nozzle is generally located in or on the water tank. Since the admixture of the treatment agent in the supply line from the pump to the spray nozzle is preferably carried out in the area of a handpiece - that is, the mixing system is located downstream of the pump - the chemically aggressive and / or abrasive treatment agent cannot get into the pump and damage it.
- the mixing reservoir can be connected to the main line via a branch line. Water flows from the main pipe via the branch pipe into the mixing reservoir, dissolves the solid substrate there and flows back again via the same route. As soon as the mixing reservoir is filled, a negative pressure is formed in the main line due to the water flowing there, which causes the water enriched with the treatment agent to be sucked out of the mixing reservoir.
- the branch line can have a cross-sectional constriction. sen, the hydraulic resistance of the return can be determined.
- a greater water throughput through the mixing reservoir is obtained if a parallel line is provided parallel to the branch line, so that the mixing reservoir lies in a secondary flow to the main line. Part of the water that flows through the main line is thus always diverted into the secondary flow, enriched there with the treatment agent and then returned to the main flow via the parallel line.
- the throughput rate can be controlled by a corresponding cross-sectional narrowing in the parallel line.
- the mixing reservoir can also be located in a section of the main line, making it part of the main stream flowing through the main line. Accordingly, all water that flows from the water tank to the spray nozzle first flows through the mixing reservoir and is thus enriched with the treatment agent.
- the mixing reservoir preferably has a central tubular body which forms the feed line to the mixing reservoir.
- the tubular body can serve as a carrier or holder for a ring-shaped substrate. Furthermore, due to the increased outflow in the mixing reservoir, the water is mixed well with the treatment agent.
- the invention further relates to a handpiece for an oral irrigator with an elongated handle body, at the front end of which there is a spray nozzle and which has a hose connection, a longitudinal channel forming the main line running in the handle body between the hose connection and the spray nozzle.
- the invention is based on the object of appropriately forming a mixing reservoir in such a handpiece, which allows the continuous admixing of a treatment agent to the water flowing to the spray nozzle.
- the invention provides that a mixing chamber forming a mixing reservoir is formed in the handle body.
- the mixing reservoir in the handpiece can of course also be accommodated in a separate housing, which u. a. also receives a pump for conveying the tap water to the spray nozzle and serves as a storage station for the handpiece when it is not in use.
- the mixing reservoir is therefore part of the handpiece according to the invention and can be formed integrally with it. Internals, e.g. B. in the inlet hose are not necessary. In addition, the production rate is low, since only the injection mold needs to be adapted to produce the handpiece.
- the longitudinal channel preferably runs under the bottom of the mixing chamber, with a connection to the longitudinal channel being established through at least one hole in the bottom of the mixing chamber forming the branch line. This hole or extension The soil can be removed by adjusting the injection mold accordingly.
- a short path between the longitudinal channel and the mixing chamber is realized in this way, so that, especially when the mixing chamber is in the bypass, a sufficiently large proportion of the amount of water conveyed reaches the mixing chamber.
- the mixing chamber is preferably closed by a removable cap. This enables an easy exchange of a substrate for the treatment agent. A vertebral body that swirls the liquid penetrating into the mixing chamber ensures that the substrate dissolves sufficiently.
- the mixing chamber has a central tubular body, which performs two functions. On the one hand, it serves for fixing z.
- an annular solid substrate in the form of a tablet on the other hand runs through the tubular body, the bore forming the branch line between the longitudinal channel and the mixing chamber, whereby a good flow through the mixing chamber is realized, since the mouth of the hole in the mixing chamber above that on the tubular body attached tablet is done.
- the longitudinal channel between the mouths of the holes is closed by a barrier.
- the mixing chamber and the hose connection are preferably located at the rear end of the handle. This means that the water that penetrates into the longitudinal channel of the handle piece via the hose can be immediately led into the mixing chamber, which has the advantage that the water continues to flow evenly to the spray nozzle, unless this is already done in the Mixing chamber has happened.
- the mixing chamber and the hose connection are formed on an end piece of the handpiece, which is attached to a tubular, central section of the handle piece.
- a tube to form a section of the main line.
- the tube can be plugged into a plug hole connected to the longitudinal channel on the end piece.
- a connection is created between the longitudinal channel and the tube.
- the hose connection is located on the end piece to the side of the longitudinal channel. This results in a deflection of the water flow and a certain braking, which supports the penetration of the water through the hole in the mixing chamber.
- FIG. 1 is a perspective view of the handpiece of an oral irrigator
- Fig. 2 shows a longitudinal section through this handpiece
- FIG. shows the typical design of an oral irrigator 1.
- a spray nozzle 3 is attached to the front end of a handpiece 2.
- a hose connection 4 to which a hose 5 is connected.
- This is connected to a pump, not shown here, which in turn has a connection to a water tank, not shown here.
- a longitudinal channel (not yet recognizable here) runs within the handpiece 2 and connects the hose connection 4 to the spray nozzle 3.
- a mixing reservoir 6 is provided, which is formed by a mixing chamber 7 (shown here openly) at the rear end of the handpiece 2.
- an actuation button 8 by the actuation of which the longitudinal channel can be closed or opened depending on the configuration.
- the handpiece 2 consists of a central, tubular section 10, into the rear end of which an end piece 11 can be inserted.
- the section 10 is closed by a cap 12 in which the spray nozzle 3 is inserted.
- a tube 13 runs through the tubular, central section 10 and is inserted with its rear end into a plug-in bore 14 on the end piece 11.
- the front, elastically deformable end is connected to the spray nozzle 3.
- the actuation button 8 has a print head 15, with which the elastically deformable end of the tube 13 is pressed together when the confirmation button 8 is depressed in order to block the tube cross section, so that water can no longer reach the spray nozzle 3.
- the hose connection 4 for the hose 5 is located laterally at the bottom of the end piece 11.
- the hose connection 4 opens into a longitudinal channel 16, which in turn opens into the bottom of the plug-in bore 14.
- the cover 18 can be screwed or snapped into the mixing chamber 7.
- the end piece 11 just described is an injection molded part. To assemble the oral irrigator 1, it is inserted into the rear end of the central, tubular section 10. At the same time, the tube 13 is inserted into the plug hole 14, so that a fluidic connection between the hose 5 and the spray nozzle 3 is created.
- Figure 3a shows a first embodiment.
- the mixing chamber 7 is only in the central via the longitudinal bore 20 Tubular body 19 connected to the longitudinal channel 16 in the end piece 11.
- an annular tablet 21 which is designed as a solid substrate for the treatment agent to be mixed.
- the longitudinal bore 20 functions both as an inlet and as an outlet, only slight mixing is achieved, so that the spray water contains only a small amount of treatment agent.
- the admixing rate can be set via the cross section of the longitudinal bore 20.
- An improved admixing rate is obtained if, according to FIG. 3b, an outlet bore 22 is provided as an outlet at the bottom of the mixing chamber 7. This is located in the direction of flow through the longitudinal channel behind the inlet formed by the longitudinal bore 20.
- the mixing chamber 7 is thus in a secondary flow to the longitudinal channel 16.
- the desired admixing rate is obtained by appropriately dimensioning the cross sections of the inlet and the outlet. A particularly high admixing rate is obtained if the feed, in particular, is only slightly restricted.
- the admixing rate can be increased even further if the longitudinal channel 16 - as shown in FIG. ner lock 23 is interrupted, so that the water flowing through the hose 5 into the end piece 11 is completely led into the mixing chamber 7 and from there via the outlet bore 22 back to the longitudinal channel 16.
- the mixing chamber 7 is thus in the main flow.
- the inflow does not necessarily have to take place through the central tubular body 19. This can also be dispensed with, so that non-annular tablets can also be used as substrate carriers.
- the inlet and outlet consist of simple bores in the bottom of the mixing chamber 7.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006527286A JP2007506490A (ja) | 2003-09-24 | 2004-07-27 | 口腔注入器及び口腔注入器用の手持部材 |
CA002540018A CA2540018A1 (en) | 2003-09-24 | 2004-07-27 | Oral douche and hand piece for an oral douche |
US10/573,366 US20070080240A1 (en) | 2003-09-24 | 2004-07-27 | Apparatus and method for providing a treatment agent to a flow of water |
EP04741283A EP1670380A1 (de) | 2003-09-24 | 2004-07-27 | Munddusche und handstück für eine munddusche |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10344488.2 | 2003-09-24 | ||
DE10344488 | 2003-09-24 | ||
DE10345853 | 2003-09-30 | ||
DE10345853.0 | 2003-09-30 | ||
DE10345854.9 | 2003-09-30 | ||
DE10345854 | 2003-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005039437A1 true WO2005039437A1 (de) | 2005-05-06 |
Family
ID=34527287
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/008379 WO2005039438A1 (de) | 2003-09-24 | 2004-07-27 | Munddusche und handstück für eine munddusche |
PCT/EP2004/008378 WO2005039437A1 (de) | 2003-09-24 | 2004-07-27 | Munddusche und handstück für eine munddusche |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/008379 WO2005039438A1 (de) | 2003-09-24 | 2004-07-27 | Munddusche und handstück für eine munddusche |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070080240A1 (de) |
EP (1) | EP1670380A1 (de) |
JP (1) | JP2007506490A (de) |
CA (1) | CA2540018A1 (de) |
WO (2) | WO2005039438A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007147552A1 (de) * | 2006-06-19 | 2007-12-27 | Gimelli Produktions Ag | Adapter für eine munddusche |
WO2008046580A1 (de) * | 2006-10-16 | 2008-04-24 | Gimelli Produktions Ag | Munddusche mit einer einrichtung zum zumischen von zusatzstoffen zum wasser |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8793066B2 (en) * | 2006-06-27 | 2014-07-29 | Microsoft Corporation | Route monetization |
MX2010013118A (es) | 2008-06-04 | 2011-03-29 | Colgate Palmolive Co | Implemento de cuidado oral con sistema de cavitacion. |
GB0810384D0 (en) * | 2008-06-06 | 2008-07-09 | 3M Innovative Properties Co | Powder jet device for applying dental material |
JP5378626B2 (ja) | 2011-03-11 | 2013-12-25 | 富士フイルム株式会社 | 撮像装置およびその動作制御方法 |
US9286804B2 (en) * | 2011-05-03 | 2016-03-15 | Banner Engineering Corp. | Apparatus and method for power management of a system of indicator light devices |
WO2015153297A1 (en) * | 2014-04-02 | 2015-10-08 | David Roberts | Water flosser tip having a container for treatment tablets |
GB2538303B (en) | 2015-05-15 | 2017-09-20 | Dyson Technology Ltd | Cleaning appliance |
GB2538304B (en) | 2015-05-15 | 2017-11-22 | Dyson Technology Ltd | Cleaning appliance |
GB2538302B (en) | 2015-05-15 | 2017-10-04 | Dyson Technology Ltd | Cleaning appliance |
USD800896S1 (en) * | 2015-09-04 | 2017-10-24 | David Roberts | Water flosser tip having a container for treatment tablets |
GB2555386A (en) * | 2016-10-21 | 2018-05-02 | Dyson Technology Ltd | Cleaning appliance |
GB2555417B (en) | 2016-10-26 | 2020-01-22 | Dyson Technology Ltd | Cleaning Appliance |
GB2555418B (en) | 2016-10-26 | 2019-03-06 | Dyson Technology Ltd | Cleaning Appliance |
USD825741S1 (en) | 2016-12-15 | 2018-08-14 | Water Pik, Inc. | Oral irrigator handle |
AU2018236429B2 (en) | 2017-03-16 | 2023-02-02 | Water Pik, Inc. | Oral irrigator handle for use with oral agent |
USD868243S1 (en) | 2018-03-16 | 2019-11-26 | Water Pik, Inc. | Oral irrigator tip |
GB2574859B (en) | 2018-06-20 | 2020-10-28 | Dyson Technology Ltd | Motorised toothbrush with fluid delivery |
GB2575022B (en) | 2018-06-20 | 2020-09-30 | Dyson Technology Ltd | Dental treatment appliance |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4214871A (en) * | 1978-01-23 | 1980-07-29 | Arnold Carter H | Method and apparatus for cleaning teeth and removing plaque |
DE3322716A1 (de) * | 1983-06-24 | 1985-01-03 | Kuno Moser GmbH, Fabrik für Feinmechanik und Elektrotechnik, 7731 Unterkirnach | Munddusche |
US4961698A (en) * | 1989-06-16 | 1990-10-09 | Vlock D G | Ultrasonic device with additive chamber |
US5474451A (en) * | 1994-02-02 | 1995-12-12 | Regents Of The University Of Minnesota | Dental water and air purification equipment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1861932A (en) * | 1931-05-28 | 1932-06-07 | Zelgeia Products Corp | Douche apparatus |
DE1134179B (de) * | 1960-04-29 | 1962-08-02 | Siemens Reiniger Werke Ag | Zahnaerztliches Handstueck zur Abgabe medikamentoeser Spritzmittel |
US4978297A (en) * | 1989-09-19 | 1990-12-18 | Vlock D G | Handpiece with additive chamber |
US4979503A (en) * | 1989-12-01 | 1990-12-25 | Hydrodent Laboratories Inc. | Hand-held oral irrigating device |
WO1999048435A1 (en) * | 1998-03-26 | 1999-09-30 | Deka Products Limited Partnership | Apparatus and method for cleaning teeth |
-
2004
- 2004-07-27 WO PCT/EP2004/008379 patent/WO2005039438A1/de active Application Filing
- 2004-07-27 CA CA002540018A patent/CA2540018A1/en not_active Abandoned
- 2004-07-27 EP EP04741283A patent/EP1670380A1/de not_active Withdrawn
- 2004-07-27 JP JP2006527286A patent/JP2007506490A/ja not_active Withdrawn
- 2004-07-27 US US10/573,366 patent/US20070080240A1/en not_active Abandoned
- 2004-07-27 WO PCT/EP2004/008378 patent/WO2005039437A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4214871A (en) * | 1978-01-23 | 1980-07-29 | Arnold Carter H | Method and apparatus for cleaning teeth and removing plaque |
DE3322716A1 (de) * | 1983-06-24 | 1985-01-03 | Kuno Moser GmbH, Fabrik für Feinmechanik und Elektrotechnik, 7731 Unterkirnach | Munddusche |
US4961698A (en) * | 1989-06-16 | 1990-10-09 | Vlock D G | Ultrasonic device with additive chamber |
US5474451A (en) * | 1994-02-02 | 1995-12-12 | Regents Of The University Of Minnesota | Dental water and air purification equipment |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007147552A1 (de) * | 2006-06-19 | 2007-12-27 | Gimelli Produktions Ag | Adapter für eine munddusche |
WO2008046580A1 (de) * | 2006-10-16 | 2008-04-24 | Gimelli Produktions Ag | Munddusche mit einer einrichtung zum zumischen von zusatzstoffen zum wasser |
Also Published As
Publication number | Publication date |
---|---|
US20070080240A1 (en) | 2007-04-12 |
CA2540018A1 (en) | 2005-05-06 |
EP1670380A1 (de) | 2006-06-21 |
WO2005039438A1 (de) | 2005-05-06 |
JP2007506490A (ja) | 2007-03-22 |
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