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특허 상세정보

Powder blower device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61C-017/00   
미국특허분류(USC) 433/88 ; 128/266 ; 222/636
출원번호 US-0873704 (1978-01-30)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 30  인용 특허 : 0
초록

A device for blowing powder onto teeth, the device consisting of a handpiece in the form of a housing connected to a compressed air source and having a discharge nozzle member which can be inserted in a patient\s mouth and can be directed towards the patient\s teeth. The housing has a powder reservoir with a bottom supply duct. An apertured shuttle bar is reciprocably slidably mounted beneath said duct and has a metering hole registrable with said supply duct and then, by longitudinally moving the bar, with a discharge conduit arranged to receive compres...

대표
청구항

A therapeutic air/powder suspension spraying device for dental treatments comprising a handpiece in the form of a housing, powder reservoir means to contain a dental treatment powder in dry form, said reservoir means being mounted on said housing and having a bottom discharge orifice, a shuttle bar slidably mounted in a close-fit manner in said housing subjacent said orifice, said shuttle bar having a metering aperture registrable with said orifice to receive a metered volume of dry powder, means biasing said shuttle bar in a first position, means to rec...

이 특허를 인용한 특허 피인용횟수: 30

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  2. Ducharme, Richard W.. Apparatus and methods for delivering therapeutic agents. USP2017129839772.
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  7. Esrock Bernard S. (320 Dungate Chesterfield MO 63017). Dental tool and nozzle therefor. USP1991014984984.
  8. Fish, David Andrew; Young, Nigel David. Device for delivery of a tooth whitening agent. USP2017079700393.
  9. Boehm, Andreas J.; Richter, Christian A.. Device for dispensing a dental material with locking mechanism. USP2017059662180.
  10. Gerde Per Magnus. Dust gun-aerosol generator and generation. USP1999126003512.
  11. Struve Roger L. (P.O. Box 12573 New Brighton MN 55112). Inhaler. USP1981064274403.
  12. Ji, Xin. Internal dry powder delivery system and method thereof. USP2014058721582.
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  23. Boehm, Andreas J.. Nozzle head, hand piece and powder jet device for applying a dental material. USP2018029888980.
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  25. Bergdahl, Johan; Murphy, Richard Luke; Meldrum, John; Hentzel, Stephane. Single piece device for storing, metering and mixing a powder with a diluent. USP2013058444012.
  26. Ducharme, Richard W. Systems and methods for delivering therapeutic agents. USP2015089101744.
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  29. Ducharme, Richard W.; Sugg, David E.; Skelton, Eugene; Bruggemann, Martin; Bryce, Lyndsey. Systems and methods for delivering therapeutic agents. USP2012028118777.
  30. Gittard, Shaun D.. Therapeutic agents for delivery using a catheter and pressure source. USP2018019867931.