US2354649A - Dental syringe - Google Patents
Dental syringe Download PDFInfo
- Publication number
- US2354649A US2354649A US475151A US47515143A US2354649A US 2354649 A US2354649 A US 2354649A US 475151 A US475151 A US 475151A US 47515143 A US47515143 A US 47515143A US 2354649 A US2354649 A US 2354649A
- Authority
- US
- United States
- Prior art keywords
- piston
- plunger
- vial
- container
- syringe
- 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 - Lifetime
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Classifications
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2403—Ampoule inserted into the ampoule holder
- A61M2005/2414—Ampoule inserted into the ampoule holder from the side
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2433—Ampoule fixed to ampoule holder
- A61M2005/2437—Ampoule fixed to ampoule holder by clamping means
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2477—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic comprising means to reduce play of ampoule within ampoule holder, e.g. springs
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
- A61M2005/2481—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic comprising means for biasing the ampoule out of the ampoule holder
Definitions
- the present invention relates to dental syringes, and is a continuation-.impart of .my copending application, Serial No. 412,510, viiled September 26, 1941.3 Morey-particularly the invention. pertains toanovel form of plunger and piston assembly, designed-to prevent the disruptive wedging forces occurring lwith axial misalignment ofthe plunger andbarrel of a syringe. s l f y ..Certaingftypes .of syrmgesare'so constructed that theyaccomrnodate insertable glass vials have ing a rubber plug closure at each end of the vial.
- rDhedischa-rge endof the syringe is provided with afhollow needle which punctures one of the plugs, while'the opposite end of the syringe' is provided withafinger grip and.' plunger, the latter being slidable axially of the vial and engageable with the Lother Vof the plugs, said other plug then acting as a piston ,to,.eject fluid vfrom the vial.
- Ilhe ⁇ conventional plunger employed4 is made of one piece and at times, ybecause of a loose t inits bearing, orbecause thebearing is misaligned with respectto thevial, exerts wedgingaction resultingin'. a radial pressureagainst the wall-of the giass vial sum'cient to b reak theyial.
- One of the objects of this invention is to pro-M vide a plungernora syringerof the type referred to which permits self-adjustment of the plunger head with respect to the vial and piston and thus eliminates those side thrusts or strains on the vial walls, due to this wedging action.
- Another object of the invention is to provide a plunger made in two parts and having a swivel connection between the two parts. Since the plunger head is free to swivel slightly relative to the piston, there results a three link kinematic chain, comprising the piston and the two parts of the plunger, in contrast with the self jamming of the two link trains of the prior art.
- FIG. 1 is a longitudinal section of a syringe embodying the invention
- Fig. 2 is an enlarged section through the sleeve used to clamp the vial in the syringe barrel;
- Fig. 3 is a top plan view of the clamping sleeve
- Fig. 4 is an enlarged transverse section taken on line 4-4 of Fig. 1;
- Fig. 5 is a diagrammatic illustration of. ⁇ fthe plunger embodied in the present invention showing its relation to a vial and piston therein, constituting a three link kinematic train.
- the barrel I0 is provided with an opening Il on one side thereof to permitirlsertion of the vial I2, and is out away on its op- RebertE. BrucknenVinelandf-N. .1.,yassignerito,n u l v r, VKimble Glass Company, Vineland, N. VJ., acori-V .Februarya 1943seria1 N0.- 475,1511 In Canada March 4, A1942 posite side at I3 to accommodate aspiring. linger I4 bearing against the vial.
- The'lower end of'the I5'and threaded at IIto ⁇ barrel is reduced as at receive capii, the latter having a bore I8 to accommodate a hollow and has a partially vspherical medial portion.22 bearing against seats23 and 24 in the endsof the reducedv barrel portion and' cap, respectively, .so that it is clamped therebetween.
- the kupper end of the barrel is threaded at 25 to permit attachment of threadedcap 26having a nger .grip21- thereon.
- annular sleeve 28 is axially slidable in the upper'partof th urged into engaging relation with vial I2 by spring, 25 bearing its other end against cap r26.V
- Thesleeve-thus clamps the vial in the barrel.
- the sleeve is conically beveled at 3I, ;3I- so that it is reversible and accommodatesy itself to the vial Vaswell as to the spring.
- the sleeve is iurt ⁇ errnore provided with a longitudinal recess 32l to receive the upper end of spring, I4. l
- the :dared end of the plunger head is also engageable in one position thereof with sleeve 23 to elevate the sleeve against spring 29 and permit insertion of the vial in the syringe barrel.
- the diameters of head 3'I and ared portion 38 are both somewhat less than that of piston 34 and the internal diameter of vial I2.
- the end surface of the head is smooth and in contact with the piston 34 when transmitting axial thrust but is free' to slide or swivel relative to the piston.
- a dental syringe or the like comprising a container for a liquid, a piston in said container, a plunger separate from said piston and adapted to move vsaid piston longitudinally of the container to eject liquid therefrom, saidplunger comprising a two-part rod, the diameter of said plunger being less than that of said container,
- plunger rod is somewhat canted or axially misaligned with the vial, the plunger head, the diameter of 'Whichis less than that of the vial, is
- the three. linkv kinematic train would permit the head to4 adjust itself laterally Without self-jamming or wedging action against thewall of thev vial. This is not possible with theone.. link or vtwo link trains of the prior art. Hencejvthe tendency for the end of the plunger to exert a disruptive wedging side thrust against the Wallsv ofthe vial the vial prevented.
- Fig. 5 which illustratesl the. present invention, it will be seenthat.
- the head 31 is swiveled at- 39 to the end-of the plunger 35 and is separate from but bears against piston 34 ⁇ and thatits' diameter is less than that of the vial.
- the assembly constitutes a three'link kinematic train which is free' to run down through the vial-without any selfjamming or locking or wedging action. While apreferred form of theinvention has beenv described and illustrated, it is not intended that the' invention be limited to the exactk details shown. -The two-part plungerv may obviously be used with other types of syringes and the manner' of connectingv the parts -ofr the plunger changed if desired.
- a dental syringeor the like comprising a l'container for a liquid, a piston in said container,
- a plunger separate from said piston and adapted to move said piston longitudinally of the container to eject liquid therefrom, said plunger comprising ⁇ a ⁇ two-part rod, the diameter of said' plunger being less than that of said container, and a ball and socket connection between the parts ofthe rod.
- a dental syringe or the like comprising a.
- a piston in said container for a liquid
- said piston being formed of resilient materiah'a plunger separate from said piston and adapted to move said piston longitudinally of the container to eject liquid therefrom,4 said. plunger comprising a two-part rod, the diameter of said. plunger being less than that of said container, and a swivel connection between the parts of -thef ⁇ rod.
- a dental syringe or the like comprising a container for a liquid, a said piston being formed ofrresilient material, a plunger separate from said piston and adapted to move said piston longitudinally of the container to eject liquid' therefrom, said plunger havi-ng adiameter less than'that of said container and comprising artWo-part rod', one portion of the rodhaving asubstantially vspherical end, the other portion ofsaid rod having a substantially spherical recess, said recessed end andvsaid spherical end cooperating to form a ball and socket con'- nection between said portions'l ROBERT E. BRUCKNER.
Description
Aug. ,1,1944.` R. E. BRUCKNER 2,354,649
DENTAL SYRINGE Filed Feb. 8, 194,15
35 rfb-CD. Q f y a?" *g W23@- glu/um Rober/fili. @rz/ciglia? alim/man Patented Aug. 1, 1944 asgsiel'l y DENTAL Simmern, y
1 notation of'ruinois Application The present invention relates to dental syringes, and is a continuation-.impart of .my copending application, Serial No. 412,510, viiled September 26, 1941.3 Morey-particularly the invention. pertains toanovel form of plunger and piston assembly, designed-to prevent the disruptive wedging forces occurring lwith axial misalignment ofthe plunger andbarrel of a syringe. s l f y ..Certaingftypes .of syrmgesare'so constructed that theyaccomrnodate insertable glass vials have ing a rubber plug closure at each end of the vial. rDhedischa-rge endof the syringe is provided with afhollow needle which punctures one of the plugs, while'the opposite end of the syringe' is provided withafinger grip and.' plunger, the latter being slidable axially of the vial and engageable with the Lother Vof the plugs, said other plug then acting as a piston ,to,.eject fluid vfrom the vial. Ilhe `conventional plunger employed4 is made of one piece and at times, ybecause of a loose t inits bearing, orbecause thebearing is misaligned with respectto thevial, exerts wedgingaction resultingin'. a radial pressureagainst the wall-of the giass vial sum'cient to b reak theyial.
One of the objects of this invention is to pro-M vide a plungernora syringerof the type referred to which permits self-adjustment of the plunger head with respect to the vial and piston and thus eliminates those side thrusts or strains on the vial walls, due to this wedging action.
Another object of the invention is to provide a plunger made in two parts and having a swivel connection between the two parts. Since the plunger head is free to swivel slightly relative to the piston, there results a three link kinematic chain, comprising the piston and the two parts of the plunger, in contrast with the self jamming of the two link trains of the prior art.
Other objects will be apparent from the following description of the syringe, reference being made to the accompanying, drawing in which Fig. 1 is a longitudinal section of a syringe embodying the invention;
Fig. 2 is an enlarged section through the sleeve used to clamp the vial in the syringe barrel;
Fig. 3 is a top plan view of the clamping sleeve;
Fig. 4 is an enlarged transverse section taken on line 4-4 of Fig. 1;
Fig. 5 is a diagrammatic illustration of.` fthe plunger embodied in the present invention showing its relation to a vial and piston therein, constituting a three link kinematic train.
In the drawing, the barrel I0 is provided with an opening Il on one side thereof to permitirlsertion of the vial I2, and is out away on its op- RebertE. BrucknenVinelandf-N. .1.,yassignerito,n u l v r, VKimble Glass Company, Vineland, N. VJ., acori-V .Februarya 1943seria1 N0.- 475,1511 In Canada March 4, A1942 posite side at I3 to accommodate aspiring. linger I4 bearing against the vial. The'lower end of'the I5'and threaded at IIto` barrelis reduced as at receive capii, the latter having a bore I8 to accommodate a hollow and has a partially vspherical medial portion.22 bearing against seats23 and 24 in the endsof the reducedv barrel portion and' cap, respectively, .so that it is clamped therebetween. The kupper end of the barrel is threaded at 25 to permit attachment of threadedcap 26having a nger .grip21- thereon. An annular sleeve 28 is axially slidable in the upper'partof th urged into engaging relation with vial I2 by spring, 25 bearing its other end against cap r26.V Thesleeve-thus clamps the vial in the barrel. It is to be'noted that the sleeve is conically beveled at 3I, ;3I- so that it is reversible and accommodatesy itself to the vial Vaswell as to the spring. Y,The sleeve is iurt` errnore provided with a longitudinal recess 32l to receive the upper end of spring, I4. l
the vial. The :dared end of the plunger head is also engageable in one position thereof with sleeve 23 to elevate the sleeve against spring 29 and permit insertion of the vial in the syringe barrel. The diameters of head 3'I and ared portion 38 are both somewhat less than that of piston 34 and the internal diameter of vial I2. The end surface of the head is smooth and in contact with the piston 34 when transmitting axial thrust but is free' to slide or swivel relative to the piston. When adjusting itself to misalignment the smooth end surface 38 of the plunger head is free to slide on the face of the plug piston 34, then permitting the plunger head to center itself with respect to the piston and the vial so that lateral thrusts on the piston are greatly reduced or entirely removed. This eliminates the disruptive wedging needle I9. The needle alsof passes through bore-'2| in the reduced portion: I5'- barrel, vbeing normally4 at `one endagainst the sleeve and atv K -he viaLbeOreitsv insertion Lin; thejsyringe barrel, is closed at itsends by plugs33,. 34; ,Plugwith suiiicientclearance to permit plunger. Thus, regardless of whether :the
the two parts of the Having described my invention what I claim 4 as new and desire to secure by Letters Patent 1. A dental syringe or the like, comprising a container for a liquid, a piston in said container, a plunger separate from said piston and adapted to move vsaid piston longitudinally of the container to eject liquid therefrom, saidplunger comprising a two-part rod, the diameter of said plunger being less than that of said container,
' and a swivel connection between the parts of the rrod. i
plunger rod is somewhat canted or axially misaligned with the vial, the plunger head, the diameter of 'Whichis less than that of the vial, is
permitted some free laterally slidable movement f with respect to the plunger. tov compensateior axial misalignment. The piston 34 being made :f
from resilient material, such as rubber, absorbs small lateral displacements transmitted thereto, but eveniif. the plug be made of a more: or less rigidmateria-l, the three. linkv kinematic train would permit the head to4 adjust itself laterally Without self-jamming or wedging action against thewall of thev vial. This is not possible with theone.. link or vtwo link trains of the prior art. Hencejvthe tendency for the end of the plunger to exert a disruptive wedging side thrust against the Wallsv ofthe vial the vial prevented.
From Fig. 5, which illustratesl the. present invention, it will be seenthat. the head 31 is swiveled at- 39 to the end-of the plunger 35 and is separate from but bears against piston 34` and thatits' diameter is less than that of the vial. Hence the assembly constitutes a three'link kinematic train which is free' to run down through the vial-without any selfjamming or locking or wedging action. While apreferred form of theinvention has beenv described and illustrated, it is not intended that the' invention be limited to the exactk details shown. -The two-part plungerv may obviously be used with other types of syringes and the manner' of connectingv the parts -ofr the plunger changed if desired.
is obviated and breakage of v 2. A dental syringeor the like, comprising a l'container for a liquid, a piston in said container,
a plunger separate from said piston and adapted to move said piston longitudinally of the container to eject liquid therefrom, said plunger comprising `a `two-part rod, the diameter of said' plunger being less than that of said container, and a ball and socket connection between the parts ofthe rod.
3. A dental syringe or the like, comprising a.
container for a liquid,v a piston in said container,` said piston being formed of resilient materiah'a plunger separate from said piston and adapted to move said piston longitudinally of the container to eject liquid therefrom,4 said. plunger comprising a two-part rod, the diameter of said. plunger being less than that of said container, and a swivel connection between the parts of -thef` rod. v
4. A dental syringe or the like, comprising a container for a liquid, a said piston being formed ofrresilient material, a plunger separate from said piston and adapted to move said piston longitudinally of the container to eject liquid' therefrom, said plunger havi-ng adiameter less than'that of said container and comprising artWo-part rod', one portion of the rodhaving asubstantially vspherical end, the other portion ofsaid rod having a substantially spherical recess, said recessed end andvsaid spherical end cooperating to form a ball and socket con'- nection between said portions'l ROBERT E. BRUCKNER.
piston. in said container,-
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2354649X | 1942-03-04 |
Publications (1)
Publication Number | Publication Date |
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US2354649A true US2354649A (en) | 1944-08-01 |
Family
ID=4175805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US475151A Expired - Lifetime US2354649A (en) | 1942-03-04 | 1943-02-08 | Dental syringe |
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US (1) | US2354649A (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2531667A (en) * | 1947-12-01 | 1950-11-28 | Bernard J Brent | Method of and apparatus for administering repeated injections |
US2602571A (en) * | 1950-02-21 | 1952-07-08 | William A Sherbondy | Dispensing device for calking material and the like |
US2660342A (en) * | 1949-04-01 | 1953-11-24 | Ruf Herman | Burette with variable capacity |
US2819934A (en) * | 1954-04-05 | 1958-01-14 | Diced Cream Of America Co | Removable plunger arrangement |
US2966910A (en) * | 1955-07-06 | 1961-01-03 | S & R J Everett & Co Ltd | Locking devices |
US2996223A (en) * | 1958-11-21 | 1961-08-15 | Dolezal | Fine instruments lubricator with disposable lubricant cartridge |
US3785533A (en) * | 1970-04-29 | 1974-01-15 | Becton Dickinson Co | Coombs serum cartridge with indexing means |
US4615468A (en) * | 1985-02-22 | 1986-10-07 | The United States Of America As Represented By The United States Department Of Energy | Gas ampoule-syringe |
US6673035B1 (en) | 1999-10-22 | 2004-01-06 | Antares Pharma, Inc. | Medical injector and medicament loading system for use therewith |
US8915889B2 (en) | 2008-08-05 | 2014-12-23 | Antares Pharma, Inc. | Multiple dosage injector |
US8945063B2 (en) | 2009-03-20 | 2015-02-03 | Antares Pharma, Inc. | Hazardous agent injection system |
US9180259B2 (en) | 2005-01-24 | 2015-11-10 | Antares Pharma, Inc. | Prefilled syringe jet injector |
US9220660B2 (en) | 2011-07-15 | 2015-12-29 | Antares Pharma, Inc. | Liquid-transfer adapter beveled spike |
US9333309B2 (en) | 2002-02-11 | 2016-05-10 | Antares Pharma, Inc. | Intradermal injector |
US9364611B2 (en) | 2012-05-07 | 2016-06-14 | Antares Pharma, Inc. | Needle assisted jet injection device having reduced trigger force |
US9446195B2 (en) | 2011-07-15 | 2016-09-20 | Antares Pharma, Inc. | Injection device with cammed ram assembly |
US9707354B2 (en) | 2013-03-11 | 2017-07-18 | Antares Pharma, Inc. | Multiple dosage injector with rack and pinion dosage system |
US9744302B2 (en) | 2013-02-11 | 2017-08-29 | Antares Pharma, Inc. | Needle assisted jet injection device having reduced trigger force |
US9808582B2 (en) | 2006-05-03 | 2017-11-07 | Antares Pharma, Inc. | Two-stage reconstituting injector |
US9950125B2 (en) | 2012-04-06 | 2018-04-24 | Antares Pharma, Inc. | Needle assisted jet injection administration of testosterone compositions |
-
1943
- 1943-02-08 US US475151A patent/US2354649A/en not_active Expired - Lifetime
Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2531667A (en) * | 1947-12-01 | 1950-11-28 | Bernard J Brent | Method of and apparatus for administering repeated injections |
US2660342A (en) * | 1949-04-01 | 1953-11-24 | Ruf Herman | Burette with variable capacity |
US2602571A (en) * | 1950-02-21 | 1952-07-08 | William A Sherbondy | Dispensing device for calking material and the like |
US2819934A (en) * | 1954-04-05 | 1958-01-14 | Diced Cream Of America Co | Removable plunger arrangement |
US2966910A (en) * | 1955-07-06 | 1961-01-03 | S & R J Everett & Co Ltd | Locking devices |
US2996223A (en) * | 1958-11-21 | 1961-08-15 | Dolezal | Fine instruments lubricator with disposable lubricant cartridge |
US3785533A (en) * | 1970-04-29 | 1974-01-15 | Becton Dickinson Co | Coombs serum cartridge with indexing means |
US4615468A (en) * | 1985-02-22 | 1986-10-07 | The United States Of America As Represented By The United States Department Of Energy | Gas ampoule-syringe |
US6673035B1 (en) | 1999-10-22 | 2004-01-06 | Antares Pharma, Inc. | Medical injector and medicament loading system for use therewith |
US20040134563A1 (en) * | 1999-10-22 | 2004-07-15 | Antares Pharma, Inc. | Medical injector and medicament loading system for use therewith |
US7341575B2 (en) | 1999-10-22 | 2008-03-11 | Antares Pharma, Inc. | Medical injector and medicament loading system for use therewith |
US9737670B2 (en) | 2002-02-11 | 2017-08-22 | Antares Pharma, Inc. | Intradermal injector |
US9333309B2 (en) | 2002-02-11 | 2016-05-10 | Antares Pharma, Inc. | Intradermal injector |
US9629959B2 (en) | 2005-01-24 | 2017-04-25 | Antares Pharma, Inc. | Prefilled syringe jet injector |
US9180259B2 (en) | 2005-01-24 | 2015-11-10 | Antares Pharma, Inc. | Prefilled syringe jet injector |
US10478560B2 (en) | 2005-01-24 | 2019-11-19 | Antares Pharma, Inc. | Prefilled syringe injector |
US11446441B2 (en) | 2005-01-24 | 2022-09-20 | Antares Pharma, Inc. | Prefilled syringe injector |
US11547808B2 (en) | 2006-05-03 | 2023-01-10 | Antares Pharma, Inc. | Two-stage reconstituting injector |
US9808582B2 (en) | 2006-05-03 | 2017-11-07 | Antares Pharma, Inc. | Two-stage reconstituting injector |
US10688250B2 (en) | 2006-05-03 | 2020-06-23 | Antares Pharma, Inc. | Two-stage reconstituting injector |
US8915889B2 (en) | 2008-08-05 | 2014-12-23 | Antares Pharma, Inc. | Multiple dosage injector |
US11497753B2 (en) | 2009-03-20 | 2022-11-15 | Antares Pharma, Inc. | Hazardous agent injection system |
US8945063B2 (en) | 2009-03-20 | 2015-02-03 | Antares Pharma, Inc. | Hazardous agent injection system |
US9750881B2 (en) | 2009-03-20 | 2017-09-05 | Antares Pharma, Inc. | Hazardous agent injection system |
US10555954B2 (en) | 2009-03-20 | 2020-02-11 | Antares Pharma, Inc. | Hazardous agent injection system |
US9446195B2 (en) | 2011-07-15 | 2016-09-20 | Antares Pharma, Inc. | Injection device with cammed ram assembly |
US10568809B2 (en) | 2011-07-15 | 2020-02-25 | Ferring B.V. | Liquid-transfer adapter beveled spike |
US11185642B2 (en) | 2011-07-15 | 2021-11-30 | Antares Pharma, Inc. | Injection device with cammed ram assembly |
US10279131B2 (en) | 2011-07-15 | 2019-05-07 | Antares Pharma, Inc. | Injection device with cammed RAM assembly |
US9220660B2 (en) | 2011-07-15 | 2015-12-29 | Antares Pharma, Inc. | Liquid-transfer adapter beveled spike |
US10821072B2 (en) | 2012-04-06 | 2020-11-03 | Antares Pharma, Inc. | Needle assisted jet injection administration of testosterone compositions |
US9950125B2 (en) | 2012-04-06 | 2018-04-24 | Antares Pharma, Inc. | Needle assisted jet injection administration of testosterone compositions |
US11771646B2 (en) | 2012-04-06 | 2023-10-03 | Antares Pharma, Inc. | Needle assisted jet injection administration of testosterone compositions |
US9364611B2 (en) | 2012-05-07 | 2016-06-14 | Antares Pharma, Inc. | Needle assisted jet injection device having reduced trigger force |
US10905827B2 (en) | 2012-05-07 | 2021-02-02 | Antares Pharma, Inc. | Injection device with cammed ram assembly |
US11446440B2 (en) | 2012-05-07 | 2022-09-20 | Antares Pharma, Inc. | Needle assisted injection device having reduced trigger force |
US9364610B2 (en) | 2012-05-07 | 2016-06-14 | Antares Pharma, Inc. | Injection device with cammed ram assembly |
US10357609B2 (en) | 2012-05-07 | 2019-07-23 | Antares Pharma, Inc. | Needle assisted jet injection device having reduced trigger force |
US10881798B2 (en) | 2013-02-11 | 2021-01-05 | Antares Pharma, Inc. | Needle assisted injection device having reduced trigger force |
US9744302B2 (en) | 2013-02-11 | 2017-08-29 | Antares Pharma, Inc. | Needle assisted jet injection device having reduced trigger force |
US11813435B2 (en) | 2013-02-11 | 2023-11-14 | Antares Pharma, Inc. | Needle assisted injection device having reduced trigger force |
US9707354B2 (en) | 2013-03-11 | 2017-07-18 | Antares Pharma, Inc. | Multiple dosage injector with rack and pinion dosage system |
US10610649B2 (en) | 2013-03-11 | 2020-04-07 | Antares Pharma, Inc. | Multiple dosage injector with rack and pinion dosage system |
US11628260B2 (en) | 2013-03-11 | 2023-04-18 | Antares Pharma, Inc. | Multiple dosage injector with rack and pinion dosage system |
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