WO2013138822A2 - Distributeur - Google Patents

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Publication number
WO2013138822A2
WO2013138822A2 PCT/ZA2013/000013 ZA2013000013W WO2013138822A2 WO 2013138822 A2 WO2013138822 A2 WO 2013138822A2 ZA 2013000013 W ZA2013000013 W ZA 2013000013W WO 2013138822 A2 WO2013138822 A2 WO 2013138822A2
Authority
WO
WIPO (PCT)
Prior art keywords
dispenser
micro
fluid
inlet
working surface
Prior art date
Application number
PCT/ZA2013/000013
Other languages
English (en)
Other versions
WO2013138822A3 (fr
Inventor
Frederick Cornelius Janse Van Rensburg
Original Assignee
Frederick Cornelius Janse Van Rensburg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Frederick Cornelius Janse Van Rensburg filed Critical Frederick Cornelius Janse Van Rensburg
Publication of WO2013138822A2 publication Critical patent/WO2013138822A2/fr
Publication of WO2013138822A3 publication Critical patent/WO2013138822A3/fr
Priority to ZA2014/07460A priority Critical patent/ZA201407460B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/62—Applicators, e.g. syringes or guns

Definitions

  • This invention relates to fluids handling.
  • the invention relates to a micro-dispenser for dispensing calibrated amounts of fluids and topically applying same onto a working surface, preferably, in a health science application such as, for example, a medical, dental, or pharmaceutical application.
  • a dental professional regularly employs an elongate micro-dispenser to dispense liquid cement and apply same onto, for example, a patient's tooth.
  • Such a micro- dispenser generally comprises a small bristle coating head connected to an elongate handle.
  • the head is normally from absorbent materials so as to absorb and hold a quantity of liquid once removed from contact with liquid in a container. In use, the head is dipped in the liquid that is to be applied onto the working surface, and thereafter daubed onto the working surface.
  • a problem associated with this micro-dispenser is that very little control is possible over the amount of liquid dispensed.
  • micro-dispenser when used to dispense light curable dental materials, is that curing thereof occurs immediately after the bristle head is removed from the material in which it was dipped and consequently adequate functioning of these light curable dental materials at the tooth surface is negated if the dental professional takes to long to apply same.
  • use of this micro-dispenser also regularity results in excess amounts of daubed materials being applied onto a patient's tooth, obviously with unwanted effects.
  • a micro-dispenser for dispensing calibrated amounts of fluids and topically applying same to a working surface
  • said dispenser including a body defining an inlet and having a compressible member for drawing up fluid through the inlet into at least part of the body; and an application implement, operatively in fluid connection with said drawn up fluid, via which said fluid is dispensed upon compression of the compressible member for application to the working surface.
  • the application implement is also provided for the application implement to be a coating implement adapted to coat the working surface upon compression of the compressible member.
  • the coating implement may preferably include a number of bristles, hair, or wire set into a first end of the body; or, alternatively, a sponge or a thick mass of absorbent threads or fabric strips connected to said first end, preferably, adjacent the inlet.
  • An outlet, separate from the inlet may also form part of the body and said bristles, hair, wire, sponge or a thick mass of absorbent threads or fabric strips may, alternatively, be adjacent same.
  • the application implement may preferably include a needle.
  • the invention may also provide for the body to have calibration markings that allows a user to have volume control over the quantity of fluid drawn up or dispensed.
  • the body or at least part thereof operatively holding the fluid, to be transparent; alternatively, translucent.
  • the body, or at least part thereof operatively holding the fluid is opaque, or alternatively manufactured to only let through a specific light frequency so as to prevent light curing of dental liquids used with the dispenser.
  • the compressible member may be round or bulging in shape and to be formed anywhere along the length of the body.
  • a micro- dispenser as described above, having at least one fluid substance pre-packed in a body thereof for dispensing and topical applying same onto a working surface.
  • two or more fluid substances to be pre-packed in the body and, preferably, for the body to have mixing means for mixing the two or more liquid substances prior to dispensing.
  • Figure 1 shows a side view of a micro-dispenser in accordance with a first embodiment of the invention
  • Figure 2 shows a side view of a micro-dispenser in accordance with a second embodiment of the invention
  • Figure 3 shows a side view of a micro-dispenser in accordance with a third embodiment of the invention.
  • Figure 4 shows a side view of a micro-dispenser in accordance with a fourth embodiment of the invention.
  • Reference numerals 10, 100, 200, and 300 represent three different embodiments of the invention and generally refer to a micro-dispenser, which can be used for dispensing calibrated amounts of liquids or fluids and topically applying same onto a working surface.
  • micro-dispenser 10 consists of an elongate body 12 having an inlet 14 and a compressible member 16 for drawing up liquid 18 through inlet 14 into at least part of body 12.
  • Micro-dispenser 10 also includes an application implement, in particular, a coating implement 20 operable to be in fluid connection with the drawn up liquid 18 and via which liquid 18 is dispensed upon compression of compressible member 16 for application to a working surface such as, for example, a patient's tooth (not shown).
  • the coating implement may consist of a number of bristles 24 set into a first end 22 of body 12. It is also envisaged that hair or wire may function as a substitute to bristles 24.
  • the coating implement may consist of a sponge or a thick mass of absorbent threads or fabric strips, located, preferably, adjacent inlet 14, and connected to first end 22.
  • the application implement is shown to be a needle 320.
  • An outlet (not shown), separate from inlet 14 and through which drawn up liquid 18 can be dispensed, may also form part of body 12 and the bristles 24, hair, wire, sponge or a thick mass of absorbent threads or fabric strips may be located adjacent same.
  • body 1 12 has calibration markings 26 to allow a user to have volume control over the quantity of liquid 1 18 drawn up or dispensed.
  • body 12,112, or part thereof includes a hollow passageway through which liquid 18,1 18 can pass or in which same can be housed.
  • the passageway preferably, but not necessarily, extends from inlet 14,114 along the length of body 12,1 12 up to second end 28,228 thereof.
  • body 12,112, or part thereof in which liquid 18,1 18 is housed will typically be manufactured from a transparent material such as low-density polyethylene (LDPE). A translucent material may also be used.
  • LDPE low-density polyethylene
  • body 12, 1 12, or at least part thereof operatively holding liquid 18,118 is manufactured from an opaque material.
  • Such material may be adapted to only let through a specific light frequency so that a dental professional's overhead light does not initialize curing of light curable dental fluids held within body 12,1 12 of dispenser 10, 10 thereby eliminating problems associated with untimely light curing during application of a light curable dental liquid.
  • the compressible member 16,116 typically has a round or bulging shape and is formed anywhere along the length of the body.
  • Dispenser 300 is similar to micro-dispenser 10 and 100, but loaded or prepacked with at least one liquid substance 218 in body 212, more particularly, in chamber 230 thereof, for dispensing and topically applying the at least one liquid substance via coating implement 220 onto a working surface upon compression and consequent breaking of seal 235 to allow substance 218 to flow towards bristles 224 of coating implement 220.
  • Dispenser 300 shown in Figure 4 of the drawings, functions in a similar way to dispenser 200, but differs by having a needle arrangement 320 mounted thereto as an application device.
  • two or more liquid substances 218, 318 may be pre-packed in chambers similar to 230 and 330.
  • the substances 218, 318 may be blended with mixing means such as, for example, an air bubble 240, 340 prior to dispensing.
  • Micro-dispenser 10, 100, 200, and 300 of the present invention addresses shortcomings in conventional micro- dispensers in that it provides more control over the amount of, and the way in which, liquid is dispensed at a certain time onto a working surface.

Abstract

L'invention concerne un micro-distributeur, utilisé généralement pour des applications dentaires, qui distribue des quantités étalonnées de fluides et en effectue une application topique sur une surface de travail. Le distributeur comprend un corps délimitant un orifice d'entrée et comportant un élément compressible destiné à aspirer un fluide par l'orifice d'entrée et à l'introduire dans au moins une partie du corps; et un outil d'application en raccordement fluidique fonctionnel avec ledit fluide aspiré, et par le biais duquel ledit fluide est distribué par compression de l'élément compressible et appliqué sur la surface de travail.
PCT/ZA2013/000013 2012-03-15 2013-03-14 Distributeur WO2013138822A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2014/07460A ZA201407460B (en) 2012-03-15 2014-10-15 A dispenser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201201962 2012-03-15
ZA2012/01962 2012-03-15

Publications (2)

Publication Number Publication Date
WO2013138822A2 true WO2013138822A2 (fr) 2013-09-19
WO2013138822A3 WO2013138822A3 (fr) 2013-12-05

Family

ID=49161949

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2013/000013 WO2013138822A2 (fr) 2012-03-15 2013-03-14 Distributeur

Country Status (2)

Country Link
WO (1) WO2013138822A2 (fr)
ZA (1) ZA201407460B (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5261572A (en) * 1992-06-09 1993-11-16 Plato Products, Inc. Dropper bottle
WO2001015623A1 (fr) * 1999-09-02 2001-03-08 Janse Van Rensburg Frederick C Dispositif d'application
WO2008092068A2 (fr) * 2007-01-25 2008-07-31 Hyperbranch Medical Technology, Inc. Applicateurs pour formulations à composants multiples et analogues et leurs procédés d'utilisation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5261572A (en) * 1992-06-09 1993-11-16 Plato Products, Inc. Dropper bottle
WO2001015623A1 (fr) * 1999-09-02 2001-03-08 Janse Van Rensburg Frederick C Dispositif d'application
WO2008092068A2 (fr) * 2007-01-25 2008-07-31 Hyperbranch Medical Technology, Inc. Applicateurs pour formulations à composants multiples et analogues et leurs procédés d'utilisation

Also Published As

Publication number Publication date
ZA201407460B (en) 2015-11-25
WO2013138822A3 (fr) 2013-12-05

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