US2047512A - Hypodermic syringe - Google Patents

Hypodermic syringe Download PDF

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Publication number
US2047512A
US2047512A US710873A US71087334A US2047512A US 2047512 A US2047512 A US 2047512A US 710873 A US710873 A US 710873A US 71087334 A US71087334 A US 71087334A US 2047512 A US2047512 A US 2047512A
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United States
Prior art keywords
barrel
needle
head
provided
hypodermic syringe
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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
Application number
US710873A
Inventor
Ralph A Kauffman
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Ralph A Kauffman
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Publication date
Application filed by Ralph A Kauffman filed Critical Ralph A Kauffman
Priority to US710873A priority Critical patent/US2047512A/en
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Publication of US2047512A publication Critical patent/US2047512A/en
Anticipated expiration legal-status Critical
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • A61M5/3135Syringe barrels characterised by constructional features of the proximal end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/344Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • A61M5/3137Specially designed finger grip means, e.g. for easy manipulation of the syringe rod
    • A61M2005/3139Finger grips not integrally formed with the syringe barrel, e.g. using adapter with finger grips
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T16/00Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]
    • Y10T16/44Handle, handle component, or handle adjunct
    • Y10T16/469Detachable handle

Description

July 14, 1936.

A. KAUFFMAN HYPODERMIG SYRINGE Filed Feb. 12, 1934 760& mm

ATTORNEYS Patented July 14, 1936 PATE-NT 'OF F -I-CE 2,047,512` HYPODERMIC SYRINGE Ralph A. Kauffman, Denver, Cole. Application February 12, 1934, Serial No, 710 873' 6 Claims. (01.128-2241 My invention relates to-improvemen'ts' inhypodermic syringes.

The 'object of my invention is to provide hyp'odermic syringe including a barrel of 'glass or other suitable close grained materia-l which is easily ascepticized and which is so' constructed as to' receive 'needle fittings and harrclle` fittings which are strong enough toendure the rigorous work required of them" and yet easily disassemblecl-` :from-'the barrel for cleaning andsterilizasion in 'the construction of the barrel to establish strong mechanical connections between-the fittings and the barrel.

Another object of my invention is to provide an improved connection 'between the needle' and the barrel of a` hypodermic syringe` whereby to provide for leak-proof-alignment of the partswith'- out complicated construction and objectionable packings.

In' the drawing: i Figure 1 is a side elevation of my improved hypodermic syringe* with a portion of the barrel' and a portion of the` needle *fitting assembly showrr in vertical section:

Figure- 2 is an isometric viewof the handle disassembled from the barrel and-showing each of' the two` parts of the handleseparatedfrom the other. V Figure 3 is-an isometric View of the C clamp used in'conjunction with aneedlefitting-'embcdying my invention.

Figure 4 is a vertical section-through analtern'ative type of needle fitting.

Figure 5 is a section on line' 5-5 of Figure' i';

Like parts are designated' by the same reference* characters throughout* 'the several views.

The important members, 'structurally; inthe hypodermic syringe in which my invention is incorpjorated, include a' cylinder or barrel ll), a plunger H provided with. apres'ser plate l'2' and exten'ding down into' the barrel", and'a needle`l`3'.

At either end of the barrel'I provide a restricted portion indi'cated' at M' at the upper end of the barrel to receive a handle |^5 and at the outlet' or lower end of the barrel at'lB 'to 'receive a needle 'clamp ll'. At the 'extremities of thebarrel I provide a head !8 against which the handie may abut and at s a head against which the needle clamp l1 may abut.

My improved` handle is preferably embodie'd in two parts %and 2 l each of which includes outstanding finger grip' portion 20' and2'l' re'- spectively -ancl a substantially semi-cylindrical' flange portion, 22" and 2 3 respectively. The' portions 22 and 23- of the handle' 15 encompass the restricted portion-14 of the ban-el- 'IO and are' provided with' members t'o'- interlock with one another, as shown` clearly in Figs. 1 and 2; where it will be seen that theportion 22 is provided with anoutsta-nding ear 2 4 to' be received in a slot 2 5' formed' inthe lowermargin of the portion 2 3; The upper shoulders 2-6 of the handle portions 20* and 21 are providedwith a configurati'on receivable under the head l'8' 'of the' barrel ll) so as to give 'a firm abutment for the` entire handle l-5' when the fingers of the user' are hooked under the portions zfl'and 21 and the palm ofthe hand of theuser presses'upon presser plate !2 to thrust the plunger H downwardly in the barrel. Under the Stress 'of this' manual operation, the ear 24 locked* in slot 25 prevents the separation of the semi-cylindrical portions of' the handle l5.

The other end of'my hypodermic syringe may be Conveniently termed the lower end. This' end portion is reducedin diameter'below' the barrel cavity and provided with a 'central' bore 31 in communication withthecavity below the plunger H. Exteriorly this red'uced portion is provided with an annular groove which' forms a restricted neck fli, below which there` is a terminal cylindrical head l`9. A clamping or coupling member l'l, having the general form' of' the body' of a C clamp or yoke; is` provided with forked arms 30 and 31 adaptedto slidingly engage between them the neck portion l 6 with the arms supported on the-head |*9. The coupling member l'l may therefore have a 'swiveling adjustm'ent on the neck lt. The lower arm :32 of this yokeshaped coupling member is' Suspended' by the bow of the yoke underneath the' barrel head [9 and'has an aperture' 33, threaded at 34 to receive a fitting 'or'^"feed' nut 35 and support'it with its axi's in' line with the bore 31. The' feed nut 35 has a' lohgitudinally extendihg bore to receive the needle [3, and this needle has a head 36, the upper portion of whichis spherically vrounded and fitted to the spherically rounded recess. 38, into which it is pressed when the feed nut 35 is turned upwardly in the coupling arm 32.. The longitudinal bore of the needle extends through the head, thereby affordingvcommunicationwith the larger bore .31- in the lower end of the. barrel. Byunscrewing thelfeed nut sufiiciently to allow a'retraction'otthe'needle head fromvthe recess 38, the coupling l'l may be withdrawn to permit a removal and replacement or substitution of needles without loss of time.

In the alternative construction shown in Fig. 4, the barrel !0 of the syrnge need not necessarily be restricted as at IB in Fig. 1, but is provided with a head against which a U-shape d bracket 41 may abut and the U-shaped bracket 4| is provided with a yoke 42 extending to a slip ring 43 into which a collar 44 's receivable. The collar 44 is apertured and threaded as indicated in Fig. 4 to receive a needle fitting which is provided with a tapered recess 46 to receive a tapered outlet portion 41 of the barrel o.

In the Construction shown in Figs. 1 .to 3 inclusive, the handle l5 separable into its two parts 20 and ZI and the C clamp l'l With its separable needle fitting 35 and needle |3 may be composed of materials suited to the extreme stresses to which they may be subjected and presumably they will be composed of metal or other substances of great tensile strength. They will likewise be composed of such materials as will Withstand extreme heat so as to enable the user to sterilize them quickly. The barrel ID will preferably be formed of glass or similar close grained material and Will preferably be transparent to indicate the quantity of fluid which has been dispensed through the tube 31 and through the needle 13, and provision is therefore made for i the separaton of certain of the parts of the complete'syringe to enable the user to more quickly and effectively accomplish complete sterilization without danger to the barrel ID.

In the handle |5 I have provided a construction which is quickly and easily assembled and disassembled. The two parts 20 and Zl with their semi-cylindrical fiange portions 22 and 23 may be locked about the restricted portion |4 of the barrel IO by interlocking the ears 24 in the slots 25 and the portions 22 and 23 may then be brought into position to embrace the restricted portion l4 and slidably brought in abutment against the barrel head !8.

Clamps and fittings for the assembly of the needle I 3 upon the barrel o are readily placed in position by slidably placing the neck [6 of the barrel IO between the embracing portions 30 and 3l whereby the clamp l' is in abutment with the head !9 and, the needle fitting 35 having been previously retracted in its threaded engagement with the leg 32 of the clamp, the hemispherical end of the needle fitting 35 may be rotatably projected into the hemispherical recess 38 and clampingly engaged there in fluid tight relation to the barrel ID. Despite position misalignment of the C clamp I'I upon the barrel n, the hemispherical tip 36 and the hemispherical recess 38 will allow for suicient adjustment to maintain the fluid tight relationship desired.

In the alternative Construction shown in Figs. 4 and 5 the comparative loose fitting of the U- shaped bracket 4l upon the barrel o and the comparative loose fitting of the collar 44 with the slip ring 43 permit of adjustment of the tapered tip 41 of the barrel ID into the tapered recess 46 of the needle fitting 45 whereby to provide for fluid tight connection between the fitting 45 and the barrel ID as the fitting is rotatably adjusted to the position, shown in Fig. 4.

I claim:

1. A hypodermic syringe comprising the combination of a barrel provided with reduced end portions, one having a central axial bore, an exterior annular groove and a. cylindrical terminal head below the groove, a plunger extending into the other end portion of the barrel, a coupling member having one arm forked and its fork arms engageable in said groove, said coupling member having a lower arm adapted to be supported by 5 the fork arms underneath said head and provided with a threaded aperture, a, tubular feed nut having threaded engagement in said aperture, and a needle extending through the feed nut and provided with a cylindrically rounded 10 head engageable in the extremity of said bore, the barrel head being provided with a, concavely rounded socket to receive the needle head, and the needle and its head being longitudinally apertured to provide communication with said bore 15 and the interior of the barrel.

2. The combination with a hypodermic syringe barrel, of a needle supporting member in freely detachable swiveled coupling relation to said barrel, a feed'nut carried by said needle supporting 20 member with its axis in line with the barrel axis, and a headed hypodermic needle extending through the feed nut and adapted to be clamped thereby against the end of the barrel, said needle, needle head and barrel having longitudinally ex- 25 tending mutually registerable bores affording communication with the interior of the barrel.

3. The combination with a hypodermic syringe barrel, of a needle supporting member in freely detachable swiveled coupling relation to said barrel, a feed nut carried by said needle supporting member with its axis in line with the barrel axis, and a headed hypodermic needle extending through the feed nut and adapted to be clamped thereby against the end of the barrel,

said needle, needle head and barrel having longitudinally extending mutually registerable bores affording communication with the interior of the, barrel and the end of the barrel being provided with a spherically rounded socket into which the needle head fits when clamped in position against the end of the barrel.

4. In a hypodermic syringe, a coupling connection between the syringe nozzle and a headed tubular needle, comprising a coupling member having forked arms swiveled to the nozzle and provided With a needle receiving feed nut in axial alignment with the nozzle aperture, said feed nut being adapted to force the needle head against the end of the nozzle when adjusted in said coupling member in the direction of the nozzle.

5. The combination with a hypodermic syringe nozzle provided With an axial bore and an external annular groove near the nozzle extremity, a coupling member having fork arms adapted to slidingly engage in said groove and to permit swivel'ng movements of the coupling member upon the nozzle head, an axially apertured feed nut carried by the coupling member in alignment 60 with the axis of the nozzle and adapted to removably support a hypodermic needle in a position for end to end engagement with the nozzle, the ends of said nozzle and needle being contoured to form a tight joint when moved into 65 engagement by the feed nut.

6. A hypodermic syringe comprising the combination of a barrel having reduced end portions, one of which is provided with spaced annular flanges and the other of which is provided with an annular groove, a separable handle comprising a set of finger pieces, each having a semicylindrical sleeve portion adapted to embrace the barrel between the annular flanges of the barrel, said sleeve portions having mutually interlocking members adapted for manipulation into a position to hold the sleeve portions in engagement with the barrel during normal operation of the syringe, a coupling member having fork arms a,dapted to slidingly engage in said barrel' groove, a. headed hypodermic needle supported by the coupling member in alignment with the axis of the barrel, and a feed nut detachably engageabe with the needle to hold the latter in joint-tight relation to the barrel, said barrel and needle being provided with registering bores.

RALPH A. KAU'FFMAN.

US710873A 1934-02-12 1934-02-12 Hypodermic syringe Expired - Lifetime US2047512A (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607061A (en) * 1949-12-28 1952-08-19 United Shoe Machinery Corp Method of attaching heels to shoes
US2941529A (en) * 1955-07-21 1960-06-21 Chandon Maurice Victor Needle device for medial injections and blood transfusions
US4439185A (en) * 1981-10-21 1984-03-27 Advanced Cardiovascular Systems, Inc. Inflating and deflating device for vascular dilating catheter assembly
US4490142A (en) * 1983-08-22 1984-12-25 Silvern Rubin D Carpule syringe with rapidly acting mechanism for controllably _positively retaining the hub of a hypodermic needle
US5282792A (en) * 1992-07-21 1994-02-01 Becton, Dickinson And Company Syringe having two component barrel
US5338309A (en) * 1992-07-21 1994-08-16 Becton, Dickinson And Company Syringe having two component barrel
EP0935968A2 (en) * 1998-02-16 1999-08-18 Daikyo Seiko, Ltd. Adaptor system for syringe pre-filled with liquid medicament and syringe pre-filled with liquid medicament
US20100016829A1 (en) * 2008-07-15 2010-01-21 Krumme John F Apparatus and methods for retaining a needle on a medical injector
US20100076370A1 (en) * 2008-09-23 2010-03-25 Infusion Advancements, LLC. Apparatus and methods for purging catheter systems
US20110046559A1 (en) * 2009-08-21 2011-02-24 Becton Dickinson France S.A.S. Syringe Assembly Having a Flexible or Slidable Flange
USD641078S1 (en) 2008-12-29 2011-07-05 Ucb Pharma, S.A. Medical syringe with needle tip cap
US20120118903A1 (en) * 2009-08-10 2012-05-17 West Pharmaceutical Services, Inc. Apparatus and method for filling flangeless containers
US8579866B2 (en) 2008-01-11 2013-11-12 Ucb Pharma, S.A. Systems and methods for administering medication
GB2518741A (en) * 2013-07-31 2015-04-01 Conceptomed As Fluid transfer connections
USD739524S1 (en) * 2013-04-22 2015-09-22 Blue Rhino Global Sourcing, Inc. Injector
US9333305B2 (en) 2008-07-18 2016-05-10 Ucb Biopharma Sprl Systems for automatically administering medication
US20160166770A1 (en) * 2014-12-11 2016-06-16 Rafael Emerick Salas Ergonomic Syringe Gripper Apparatus
US10258785B2 (en) 2013-11-29 2019-04-16 Conceptomed As Disconnecting mechanisms
US10661028B2 (en) 2015-04-09 2020-05-26 Conceptomed As Fluid transfer devices

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607061A (en) * 1949-12-28 1952-08-19 United Shoe Machinery Corp Method of attaching heels to shoes
US2941529A (en) * 1955-07-21 1960-06-21 Chandon Maurice Victor Needle device for medial injections and blood transfusions
US4439185A (en) * 1981-10-21 1984-03-27 Advanced Cardiovascular Systems, Inc. Inflating and deflating device for vascular dilating catheter assembly
US4490142A (en) * 1983-08-22 1984-12-25 Silvern Rubin D Carpule syringe with rapidly acting mechanism for controllably _positively retaining the hub of a hypodermic needle
US5282792A (en) * 1992-07-21 1994-02-01 Becton, Dickinson And Company Syringe having two component barrel
US5338309A (en) * 1992-07-21 1994-08-16 Becton, Dickinson And Company Syringe having two component barrel
EP0935968A2 (en) * 1998-02-16 1999-08-18 Daikyo Seiko, Ltd. Adaptor system for syringe pre-filled with liquid medicament and syringe pre-filled with liquid medicament
EP0935968A3 (en) * 1998-02-16 2000-02-02 Daikyo Seiko, Ltd. Adaptor system for syringe pre-filled with liquid medicament and syringe pre-filled with liquid medicament
US8579866B2 (en) 2008-01-11 2013-11-12 Ucb Pharma, S.A. Systems and methods for administering medication
US9901686B2 (en) 2008-01-11 2018-02-27 Ucb Biopharma Sprl Systems and methods for administering medication
US10661023B2 (en) 2008-01-11 2020-05-26 Ucb Bioparma Sprl Systems and methods for administering medication
US20100016829A1 (en) * 2008-07-15 2010-01-21 Krumme John F Apparatus and methods for retaining a needle on a medical injector
US9333305B2 (en) 2008-07-18 2016-05-10 Ucb Biopharma Sprl Systems for automatically administering medication
US9889289B2 (en) 2008-09-23 2018-02-13 Becton, Dickinson And Company Apparatus and methods for purging catheter systems
US10561796B2 (en) 2008-09-23 2020-02-18 Beckton, Dickinson And Company Apparatus and methods for purging catheter systems
US20100076370A1 (en) * 2008-09-23 2010-03-25 Infusion Advancements, LLC. Apparatus and methods for purging catheter systems
USD661389S1 (en) 2008-12-29 2012-06-05 Ucb Pharma, S.A. Syringe handle for a medication administration device
USD649632S1 (en) 2008-12-29 2011-11-29 Ucb Pharma, S.A. Handle for a medication administration device
USD641078S1 (en) 2008-12-29 2011-07-05 Ucb Pharma, S.A. Medical syringe with needle tip cap
USD653336S1 (en) 2008-12-29 2012-01-31 Ucb Pharma, S.A. Needle tip cap connector
CN104368074A (en) * 2009-05-09 2015-02-25 贝克顿·迪金森公司 Apparatus and methods for purging catheter systems
US9073649B2 (en) * 2009-08-10 2015-07-07 West Pharmaceutical Services, Inc. Finger grip for a flangeless container
US20120118903A1 (en) * 2009-08-10 2012-05-17 West Pharmaceutical Services, Inc. Apparatus and method for filling flangeless containers
EP3628350A1 (en) * 2009-08-21 2020-04-01 Becton Dickinson France S.A.S Syringe assembly having a flexible or slidable flange
US20110046559A1 (en) * 2009-08-21 2011-02-24 Becton Dickinson France S.A.S. Syringe Assembly Having a Flexible or Slidable Flange
US10576209B2 (en) 2009-08-21 2020-03-03 Becton Dickinson France Syringe assembly having a flexible or slidable flange
US10112014B2 (en) 2009-08-21 2018-10-30 Becton Dickinson France Syringe assembly having a flexible or a slidable flange
USD739524S1 (en) * 2013-04-22 2015-09-22 Blue Rhino Global Sourcing, Inc. Injector
GB2518741B (en) * 2013-07-31 2016-03-02 Conceptomed As Fluid transfer connections
GB2518741A (en) * 2013-07-31 2015-04-01 Conceptomed As Fluid transfer connections
US9889259B2 (en) 2013-07-31 2018-02-13 Conceptomed As Fluid transfer connection
US10258785B2 (en) 2013-11-29 2019-04-16 Conceptomed As Disconnecting mechanisms
US20160166770A1 (en) * 2014-12-11 2016-06-16 Rafael Emerick Salas Ergonomic Syringe Gripper Apparatus
US10661028B2 (en) 2015-04-09 2020-05-26 Conceptomed As Fluid transfer devices

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