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WO2012129248A1 - Capsule et extrémité d'administration d'un matériau dentaire réactif - Google Patents

Capsule et extrémité d'administration d'un matériau dentaire réactif Download PDF

Info

Publication number
WO2012129248A1
WO2012129248A1 PCT/US2012/029845 US2012029845W WO2012129248A1 WO 2012129248 A1 WO2012129248 A1 WO 2012129248A1 US 2012029845 W US2012029845 W US 2012029845W WO 2012129248 A1 WO2012129248 A1 WO 2012129248A1
Authority
WO
WIPO (PCT)
Prior art keywords
capsule
dental
caustic
dispensing
material capsule
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.)
Ceased
Application number
PCT/US2012/029845
Other languages
English (en)
Inventor
Leif Klein
David SAILY
Ryan Dubey
Jay GRADY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centrix Inc
Original Assignee
Centrix Inc
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
Priority claimed from US29/413,845 external-priority patent/USD683453S1/en
Application filed by Centrix Inc filed Critical Centrix Inc
Priority to EP12760805.7A priority Critical patent/EP2688606B1/fr
Priority to JP2014501191A priority patent/JP5960241B2/ja
Priority to KR1020137024793A priority patent/KR101946588B1/ko
Priority to US13/472,856 priority patent/US8616879B2/en
Publication of WO2012129248A1 publication Critical patent/WO2012129248A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons

Definitions

  • the present invention relates in general to the dispensing of a dental material, and more particularly to the delivery of a dental material that may react with metal .
  • Some dental materials such as material containing chemicals that may react with metal, have been difficult to store and dispense.
  • aluminum chloride may be used as a component in a dental material. Aluminum chloride will react with metal if maintained in contact or in close proximity with the metal for a relatively long time.
  • a unit dose container having a metal cannula containing a dental material that may react with the metal cannula. As a result, the dental material may become unusable or may cause undesirable effects such as discoloration or a failure to perform as desired.
  • the present invention provides a delivery system for dispensing a dental material precisely using a metal cannula that is prevented from reacting with the dental material.
  • a material capsule containing a dental material that may react with metal after prolonged contact, has a sealed delivery tip connector end. Upon unsealing the delivery tip connector end, a delivery tip having a metal cannula is securely attached thereto.
  • the material capsule is placed in a syringe for dispensing the dental material through the metal cannula without prolonged contact.
  • the delivery tip may be attached to the material capsule by a snap-fit or threaded
  • the material capsule has a material bore with a narrowing material bore transition portion and a material delivery orifice.
  • the material capsule also has a widening external material capsule transition ending in an external material capsule opening surface having internal threads for receiving an
  • a dental material is stored in a unit dose container for prolonged periods without reacting with the capsule or delivery tip.
  • the dental material is prevented from contacting or being in close proximity with a metal cannula preventing a reaction or contamination of the dental material.
  • a metal cannula is separated from contact with the dental material prior to dispensing the dental material. It is another feature of the present invention in one embodiment that the material capsule has a snap-off seal adjacent a delivery tip connector end.
  • grips are formed on the external material capsule surface adjacent an opening.
  • a radially increasing external transition portion extends between the end of a material bore and an external delivery tip surface and a radially decreasing material bore transition extends between the end of the material bore to a material bore orifice.
  • Fig. 1 is a perspective view of the delivery system of the present invention without the attachment of a delivery tip.
  • Fig. 2 is a side elevational view of an embodiment of the present invention without the attachment of a delivery tip.
  • Fig. 3 is a cross - section of the embodiment
  • Fig. 4 is a side elevational view of another embodiment of the present invention without the
  • Fig. 5 is a cross-section of the embodiment
  • Fig. G is a perspective view of an embodiment of delivery tip.
  • Fig. 7 is a side elevational view of the delivery tip illustrated in Fig. 6.
  • Fig. 8 is a longitudinal cross section of an embodiment of the present invention using a snap-on cap.
  • Fig. 9 is a side elevational view in partial cross section illustrating the material capsule and attached delivery tip.
  • Fig. 10 is a slide elevational view in partial cross section illustrating the material capsule having an externally threaded delivery end portion and attached delivery tip.
  • Fig. 11 is a side elevational view in partial cross section illustrating the material capsule having an internally threaded delivery end portion and attached delivery tip.
  • Fig. 12 is a longitudinal cross section of an embodiment of the present invention having a material capsule and attached universal threaded cap.
  • Fig. 13 is a longitudinal cross section of another embodiment of the present invention having a breakaway tab and externally threaded delivery end portion.
  • Fig. 14 is a longitudinal cross section of another embodiment of the present invention having a breakaway tap and an internally threaded delivery end portion.
  • Fig. 15 is a side elevational view in partial cross section illustrating the material capsule and attached delivery tip having a Luer lock type connection.
  • Fig. 16 is a perspective view of another embodiment of the invention having a radially increasing external material capsule transition and a Luer lock type
  • connection for receiving a delivery tip
  • Fig. 17 is a side elevational view of the embodiment illustrated in Fig. 16.
  • Fig. 18 is a cross section perspective view taken along line 18-18 in Fig. 16.
  • Fig. 19 is a side elevational view of the embodiment illustrated in Fig. 16 having a delivery tip attached.
  • FIG. 1 is a perspective view illustrating the delivery system and capsule of the present invention.
  • a syringe 10 has a lever 12 and a piston 16 reciprocally placed within a barrel 18.
  • the lever 12 causes the syringe 10 to have a mechanical advantage permitting the dispensing of viscous dental materials.
  • a breach 20 formed in the barrel 18 has formed therein a shoulder 22 and sidewalls 24.
  • the sidewalls 24 may be flexible, providing a snap-fit around the material capsule 26.
  • the material capsule 26 is illustrated with a breakaway tab 32 thereon.
  • the syringe 10 may be similar to the syringe disclosed in US Patent 5,489,207, which is herein incorporated by reference.
  • Fig. 2 is a side elevational view more clearly illustrating the features of the material capsule 26.
  • the material capsule 26 has an external flange 28.
  • An external shoulder 30 is formed adjacent flange 28.
  • a notch or web 34 is formed between the breakaway tab 32 and the material capsule 26.
  • the material capsule and breakaway tab 32 is preferably made of plastic.
  • Fig. 3 more clearly illustrates the internal structure of the material capsule 26.
  • the material capsule 26 is sealed at one end by a plug or piston 48.
  • the plug or piston 48 may be frictionally fit within the material bore 38 or it may be sonically welded thereto so that it may be easily broken away when advanced. That is the piston 48 is retained in position yet may be broken free for dispensing the reactive dental material when desired.
  • a dental material 39 is contained within the material capsule 26.
  • An internal angled transition 42 reduces the diameter to a delivery bore 40 adjacent the delivery end portion of the material capsule 26.
  • the delivery end portion has an internal flange 44 that forms an internal shoulder 46.
  • Space 36 permits the web 34 to be formed so that the tab 32 may be broken away from the material capsule 26 forming an opening and exposing the material 39 contained therein.
  • the dental material may contain a chemical, such as aluminum chloride, which is reactive or caustic to metal.
  • the dental material may be any dental material that may react with the dispensing or delivery tip cannula material.
  • Other caustic materials that may be used include aluminum potassium sulfate, aluminum sulfate, ferric sulfate, aluminum ammonium sulfate or alum, ferric chloride, sodium chloride, zinc chloride, and the like.
  • the dental material is a retraction material used to retract gingival tissue from around a tooth.
  • the retraction material may be a clay based retraction material.
  • the dental material my contain white clay or kaolin and aluminum chloride.
  • Figs. 4 and 5 illustrate a slightly modified version of a material capsule 126.
  • the material capsule 126 has an external flange 128 that forms an external shoulder 130.
  • a breakaway tab 132 is attached to the material capsule 126 by web 134.
  • the material bore 138 has an internal angled transition 142 entering the delivery bore 140.
  • a space 136 is formed adjacent the delivery end and permits the web 134 to be formed.
  • An internal flange 144 forms internal shoulder 146.
  • Figs. 6 and 7 illustrate a delivery tip 56.
  • the delivery tip 56 comprises a body portion 58 having ribs 62 thereon.
  • the body portion 58 and ribs 62 are
  • a metal cannula 60 is formed on one end.
  • a delivery tip connector end 66 is formed on the other end.
  • Flange 64 is placed adjacent the delivery tip connector end 66.
  • the delivery tip connector end 66 has a shoulder 68, a flat portion 70 and an angled portion 72.
  • the delivery tip 56 is securely connected to the material capsule 126 when the material contained therein is dispensed.
  • This separation of the delivery tip 56 from the material capsule 26 prevents the material contained within the material capsule 126 from contacting the metal cannula 60 for prolonged periods. Therefore the material only contacts the metal cannula 60 for a relatively short period of time, substantially preventing any
  • Fig. 8 illustrates an embodiment of the present invention utilizing a snap-on cap 74.
  • the snap-on cap 74 may be used in place of the breakaway tab or in
  • the snap-on cap 74 has a handle 75 and a cap connector end 76.
  • a cap cover portion 77 helps retain the snap-on cap 74 in position and to seal the material capsule 26.
  • the angled portion 82 and the combination of the shoulder 78 and internal flange 44 and flat portion 80 assure that the snap-on cap 74 is securely held in position and seals the opening of the material capsule 26.
  • Fig. 9 illustrates the delivery tip 56, with the metal cannula 60, attached to the material capsule 26.
  • the delivery tip connector end 66 of the delivery tip 56 securely mates with the internal flange 44 formed on the material capsule 26.
  • the dental material 39 is extruded or forced out of the delivery tip 56 through the metal cannula 60.
  • the ability to unseal the material capsule 26 and to place the delivery tip 56 thereon just prior to the use of the dental material 39 prevents the prolonged contact of the dental material 39 with the metal cannula 60. This prevents the possibility of corrosion or a reaction occurring due to prolonged contact of the dental material with the metal cannula 60. This results in greatly improved performance of some reactive dental materials.
  • Fig. 10 illustrates another embodiment of the present invention that may be utilized when thick or viscous dental materials are used therewith so as to prevent the delivery tip from separating from the material capsule 226.
  • the material capsule 226 having flange 228 and plug 248 has an externally screw threaded end 244 that mates with the internally screw threaded tip connector end 266 of the delivery tip 256. Accordingly a relatively viscous dental material 39 when forced through the cannula 260 will not cause the screw threaded delivery tip 256 to separate from the screw threaded material capsule 226.
  • Fig. 11 illustrates another embodiment having an internally threaded end 344.
  • the internally threaded end 344 is formed within the open end of the material capsule 326 having external flange 328 and plug or piston 348.
  • the delivery tip 356 has an externally threaded tip connector end 366 that mates with the internally threaded end 344 providing a secure connection. Accordingly, viscous dental material 39 extruded through the metal cannula 360 by advancing plug or piston 348 will not result in separation of the delivery tip 356 and the material capsule 326.
  • Fig. 12 illustrates an embodiment using a universal threaded cap 274.
  • the universal cap 274 has a handle 275 and an internally threaded cap connector 276 and an externally threaded cap cover 277.
  • the universal threaded cap 274 may be used on either the externally threaded end 244 of material capsule 226 or the
  • Universal threaded cap 274 may be used in place of or in combination with a breakaway tab.
  • Fig. 13 illustrates another embodiment wherein the material capsule 426 has an external flange 428 on one end and an externally threaded tip end 444 on the other end and in combination with a breakaway tab 432.
  • the breakaway tab 432 may be removed forming an opening and an internally threaded delivery tip 256 placed thereon, as illustrated in Fig. 10.
  • Fig. 14 illustrates another embodiment where the material capsule 526 has an external flange 528 on one end and an internally threaded tip end 544 on the other end.
  • a breakaway tab 532 may be removed forming an opening and an externally threaded delivery tip 356, as illustrated in Fig. 11, may be threaded onto the internally threaded tip end 544.
  • Fig. 15 illustrates another embodiment having a Luer lock type connector.
  • a Lure type connector has male and female slightly tapered tubes that interlock providing a secure fitting attachment.
  • Fig. 15 illustrates a material capsule 626 having an external flange 628 and a piston 648 in one end and a male Luer lock type connector 644 on the other.
  • Delivery tip 656 has a metal cannula 660 on one end and a female Lure lock type connector 660 on the other end.
  • Figs. 16-18 illustrate another embodiment of the present invention that is similar to the embodiment illustrated in Fig. 15.
  • the material capsule 726 has an external flange 728 and an external material capsule surface 737. Adjacent the external material capsule surface 737 is a radially increasing external material capsule transition 741 extending to the external material capsule opening surface 743. On the external material capsule opening surface 743 are placed grips 763. Placed on the interior surface of the external material capsule opening surface 743 are internal threads 744.
  • the internal threads 744 are adapted to receive male threads on a delivery tip, such as that the delivery tip 656 illustrated in Fig. 15.
  • Extending from the material capsule opening 747 is a material delivery orifice 745. As illustrated in Fig. 17, this material delivery orifice 745 has an external delivery tip surface 751 that extends beyond the material capsule opening 747.
  • Fig. 18 is a cross section perspective view better illustrating the interior of the material capsule 726. In this view the transition of the constant diameter material bore 738 to the radially decreasing material bore transition inner surface 742 is clearly illustrated.
  • the material capsule 726 has an entrance end for
  • the radially decreasing material bore transition inner surface 742 extends to the material delivery bore 740 which opens to the material delivery orifice 745.
  • the sidewall of the material capsule 726 divides
  • Internal threads 744 are formed on an inner material capsule opening surface 765, and are adapted to mate with a delivery tip having a female Lure lock type end.
  • the dental material may be a clay based gingival retraction paste that contains aluminum chloride and kaolin clay.
  • the retraction paste contains fifteen percent of aluminum chloride.
  • the retraction paste is placed in the material bore 738 and sealed with a plug adjacent the external flange 728, as illustrated in Fig. 15, with the material delivery orifice 745 sealed with a removable cap as illustrated in Figs. 8 and 12.
  • the material capsule 726 may then be placed in a sealed foil package separately from the delivery tip having a metal cannula. This prevents the potentially caustic aluminum chloride from reacting over a period of time with the metal cannula.
  • the material in the material capsule 736 is easily dispensed by placing the material capsule 736 into a syringe 10 as illustrated in Fig. 1.
  • a plug or piston, as illustrated in the prior figures, is placed in the material bore 738 to extrude a viscous dental material out of the material delivery orifice 745 and through an attached delivery tip.
  • Fig. 19 is a side elevational view illustrating a delivery material capsule system with the material capsule 736 having a delivery tip 756 attached.
  • the delivery tip 756 has a body 758 and a metal cannula 760.
  • the metal cannula 760 may be ductile or easily bent.
  • the delivery tip 756 may be attached to the material capsule 726 by any type of attachment, but is preferably threaded onto the material capsule 726.
  • the grips 763 greatly facilitate the threading of the delivery tip 756 onto the material capsule 726.
  • the various embodiments of the present invention all provide for a potentially caustic or reactive dental material to be separated in a sealed material capsule, preventing prolonged contact with a metal cannula used for precisely placing the dental material in a patient's mouth. It is desirable that the potentially caustic or reactive dental material is not only kept from direct contact with the metal cannula, but that the potentially caustic or reactive dental material is kept out of proximity with the metal cannula and is preferably not sealed in the same package.
  • the material capsule containing the dental material may be packaged in a sealed pouch separately from the delivery tip with the metal cannula.
  • the embodiment having the piston or plug sonically welded to the material capsule may be advantageous to prevent corrosive gases form the potentially caustic or reactive dental material from escaping.
  • the metal cannula should be kept from prolonged contact or proximity with any possible volatile gaseous components of the potentially caustic or reactive dental material.
  • the present invention therefore greatly facilitates a unit dose material dispensing system that can be used with reactive or caustic dental materials.
  • the present invention therefore provides for improved results and makes dentistry easier.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

Cette invention concerne une capsule contenant un matériau dentaire réactif ou caustique et une extrémité d'administration amovible dotée d'une canule métallique. La capsule est conçue pour être insérée dans une seringue et contient un matériau dentaire réactif ou caustique à administrer par une canule métallique. La capsule est hermétique et confine le matériau dentaire caustique ou réactif, ce qui évite le contact prolongé avec ou à proximité de la canule métallique. La portion de l'extrémité d'administration de la capsule est ouverte et est fixée en toute sécurité. Le contact avec le matériau dentaire réactif ou caustique ne se produit que lors de l'administration. Le matériau dentaire caustique ou réactif peut être conditionné en doses unitaires pour un stockage prolongé sans aucune réaction indésirable avec la canule métallique utilisée lors de l'administration. Cette invention permet de faciliter l'administration du matériau dentaire caustique ou réactif et la précision de l'insertion, ce qui simplifie le travail du dentiste.
PCT/US2012/029845 2011-03-22 2012-03-20 Capsule et extrémité d'administration d'un matériau dentaire réactif Ceased WO2012129248A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12760805.7A EP2688606B1 (fr) 2011-03-22 2012-03-20 Capsule et extrémité d'administration d'un matériau dentaire réactif
JP2014501191A JP5960241B2 (ja) 2011-03-22 2012-03-20 反応性歯科用材料を分注するためのカプセル及び送達先端
KR1020137024793A KR101946588B1 (ko) 2011-03-22 2012-03-20 반응성의 치과용 물질을 분배하기 위한 캡슐 및 전달 팁
US13/472,856 US8616879B2 (en) 2011-03-22 2012-05-16 Capsule and delivery tip with transition portion for dispensing viscous reactive dental materials

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201113069161A 2011-03-22 2011-03-22
US13/069,161 2011-03-22
US29/413,845 USD683453S1 (en) 2012-02-21 2012-02-21 Dental material dispensing tube
US29/413,845 2012-02-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US29/413,845 Continuation USD683453S1 (en) 2011-03-22 2012-02-21 Dental material dispensing tube

Publications (1)

Publication Number Publication Date
WO2012129248A1 true WO2012129248A1 (fr) 2012-09-27

Family

ID=46879718

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2012/029845 Ceased WO2012129248A1 (fr) 2011-03-22 2012-03-20 Capsule et extrémité d'administration d'un matériau dentaire réactif

Country Status (3)

Country Link
JP (1) JP5960241B2 (fr)
KR (1) KR101946588B1 (fr)
WO (1) WO2012129248A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016051198A1 (fr) * 2014-10-03 2016-04-07 Special Products Limited Ensemble seringue

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102809252B1 (ko) 2018-11-20 2025-05-16 삼성전자주식회사 사용자 발화를 처리하는 전자 장치, 및 그 전자 장치의 제어 방법
KR20250090025A (ko) 2023-12-12 2025-06-19 (주) 베리콤 치과용 캡슐

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336088A (en) * 1988-10-24 1994-08-09 Centrix, Inc. Syringe and disposable capsule and method of forming capsule with cannula
US6135771A (en) * 1997-12-02 2000-10-24 Centrix, Inc. Dental cartridge having an attachable delivery portion
US20070164047A1 (en) * 2003-08-14 2007-07-19 3M Innovative Properties Company Capsule for two-component materials
US20070259313A1 (en) * 2002-12-02 2007-11-08 Centrix, Inc. Gingival tissue retraction device and method
US20100255443A1 (en) * 2007-03-30 2010-10-07 Centrix, Inc. Dental retraction material having enhanced fluid absorption

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
DE3025526A1 (de) * 1980-07-05 1982-01-28 Ernst Mühlbauer KG, 2000 Hamburg Mehrkomponentenkapsel zum aufbewahren und vibrationsmischen von mindestens zwei komponenten, insbes. fuer dentalzwecke
JP3824433B2 (ja) * 1998-10-06 2006-09-20 ニプロ株式会社 薬剤注入器
JP4118521B2 (ja) * 2001-01-12 2008-07-16 株式会社トクヤマ 歯科用シリンジ
DE10117385A1 (de) * 2001-04-06 2002-10-17 Ivoclar Vivadent Ag Verpackungseinheit
DE10151404A1 (de) * 2001-10-18 2003-05-15 Ivoclar Vivadent Ag Behältnis

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5336088A (en) * 1988-10-24 1994-08-09 Centrix, Inc. Syringe and disposable capsule and method of forming capsule with cannula
US6135771A (en) * 1997-12-02 2000-10-24 Centrix, Inc. Dental cartridge having an attachable delivery portion
US20070259313A1 (en) * 2002-12-02 2007-11-08 Centrix, Inc. Gingival tissue retraction device and method
US20070164047A1 (en) * 2003-08-14 2007-07-19 3M Innovative Properties Company Capsule for two-component materials
US20100255443A1 (en) * 2007-03-30 2010-10-07 Centrix, Inc. Dental retraction material having enhanced fluid absorption

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016051198A1 (fr) * 2014-10-03 2016-04-07 Special Products Limited Ensemble seringue
US11400021B2 (en) 2014-10-03 2022-08-02 Plas-Tech Engineering, Inc. Syringe assembly

Also Published As

Publication number Publication date
KR101946588B1 (ko) 2019-02-08
JP2014516603A (ja) 2014-07-17
JP5960241B2 (ja) 2016-08-02
KR20140009388A (ko) 2014-01-22

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