GB1215765A - Pre-charged dental handpiece - Google Patents
Pre-charged dental handpieceInfo
- Publication number
- GB1215765A GB1215765A GB1775268A GB1775268A GB1215765A GB 1215765 A GB1215765 A GB 1215765A GB 1775268 A GB1775268 A GB 1775268A GB 1775268 A GB1775268 A GB 1775268A GB 1215765 A GB1215765 A GB 1215765A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cup
- paste
- housing
- spool
- gearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- A61C17/005—Devices for dental prophylaxis
Abstract
1,215,765. Tooth polishing dental handpiece. SHERWOOD MEDICAL INDUSTRIES Inc. 16 April, 1968, No. 17752/68. Heading A5R. A dental handpiece for cleaning and polishing teeth comprises a plastics housing 12 preloaded with an abrasive paste, a rotatable polishing cup 50, a drive shaft 22 for transmitting rotational motion to the cup, and a means for continuously transferring the paste from the housing to the cup during rotation of the cup. The paste may be ejected by an internally grooved piston 62 travelling on a helical tongue 64 of an axially offset drive shaft 22, with a passageway 42, and (40), Fig. 2 (not shown) between the interior of the housing and the interior of the cup. The coupling between the shaft and the cup may comprise bevel gear members 28, 46 and 48. A modified paste ejecting means may comprise a wiping blade (106) Fig. 3, (not shown) connected to a drive shaft (100), communication between the interiors of the housing and the cup being by passageways (94), (96), and (98). A further modification comprises a curved blade (136), Figs. 7 to 9, (not shown) connected between a drive shaft and the gearing, for expelling the paste from the housing, the gearing: comprising a spool (140) connected to the end of the blade, the spool having projections (144) engaging depressions in the top of the cup. Paste is transferred from the housing to the cup via a notch (158) in the spool, and a chamber (160) enclosing the spool. In a further embodiment the gearing comprises a flexible helical shaft, Figs. 10 and 11 (not shown) connecting the blade to the cup. The entire handpiece may be disposable, or the head portion containing the cup and gearing may be retained and a fresh housing, preloaded with paste, may be used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1775268A GB1215765A (en) | 1968-04-16 | 1968-04-16 | Pre-charged dental handpiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1775268A GB1215765A (en) | 1968-04-16 | 1968-04-16 | Pre-charged dental handpiece |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1215765A true GB1215765A (en) | 1970-12-16 |
Family
ID=10100598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1775268A Expired GB1215765A (en) | 1968-04-16 | 1968-04-16 | Pre-charged dental handpiece |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1215765A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006065453A1 (en) * | 2004-12-15 | 2006-06-22 | Andre Michaelian | Dental device and method of use |
US8353700B2 (en) | 2004-12-15 | 2013-01-15 | Andre Michaelian | Dental device and method of use |
-
1968
- 1968-04-16 GB GB1775268A patent/GB1215765A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006065453A1 (en) * | 2004-12-15 | 2006-06-22 | Andre Michaelian | Dental device and method of use |
US7833014B2 (en) | 2004-12-15 | 2010-11-16 | Andre Michaelian | Dental device and method of use |
US8353700B2 (en) | 2004-12-15 | 2013-01-15 | Andre Michaelian | Dental device and method of use |
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