US1144343A - Hypodermic syringe. - Google Patents

Hypodermic syringe. Download PDF

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Publication number
US1144343A
US1144343A US78611913A US1913786119A US1144343A US 1144343 A US1144343 A US 1144343A US 78611913 A US78611913 A US 78611913A US 1913786119 A US1913786119 A US 1913786119A US 1144343 A US1144343 A US 1144343A
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Prior art keywords
fluid
holder
syringe
container
closures
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US78611913A
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Moses Benmosche
Richard P Elliott
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    • 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
    • A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
    • A61M5/1483—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags using flexible bags externally pressurised by fluid pressure

Definitions

  • Our invention relates to a hypodermic syringe wherein the pressure creating means and the fluid container are separate, and
  • diflerent fluid containers may be insertedand removed. after they have been emptied of their contents.
  • the objects of our invention are to produce a-hypodermic syringe having a pressure creating chamber and a holder arranged tov have a fluid containing chamber me'movablysecured therein so as to form an airtight joint at the ends ofsaid. container.
  • a further object of our invention is to'so construct-and arrange the holder and connecting pressure chamber as to use a fluidcontainer in saidhypodermic syringe, which container is provided with puncturable nonleakable closures at its ends, and means for puncturing said non-leakable closures after the container is inserted in the holder so that the fluid contained therein may be ex- .pe-lledfromisaid fluid-container by pressure created in the chamber.
  • SpecificatioN- Figurel is a longitudinal sectional view of the syringe with a fluid con- .tainer tube inserted therein in operative po-. .sition;
  • Fig. 2 is a cross section of the flu d container 2 and the body of the hypodermic syringe in which the fluid container tube is inserted for use;
  • Fig. 3 is a longitudinalsection of that ortion of the hypodermic syringe designed to receive the fluid container 3;
  • Fig. 4 is one of the fluid container tubes with the closures removed;
  • Fig. 5 is one of the fluid container tubes with the closures in place; and
  • Fi 6 is one of the fluid container tubes s owing both closures punctured so that any fluid contained therein may be driven out.
  • the hypodermic syringe consists of the holder 1 which is constructed with an openof which the following is a speciis closed by a suitable manner.
  • The'lower endof the tube I plug 5 secured therein.
  • the plug 5 is provided with atapering upwardly pro ecting puncturing point 6 having a hole therethrough designed to puncture one end of the closure on the fluid container 3.
  • the lower end of the lug 5 may be provided with a projection externally threaded to receive the cap 8.
  • the cap 8 is desi ed to contain a sterilizingfluid, such as ormaldehyde designed to keep the needle 9. sterile and free from bacteria. The use of the cap 8 is optional.
  • This needle 9 has a portion 10 which is contracted at 11 and may be threaded to screw into a threaded hole in the lower end of the plug 5.
  • the needle may be secured to the syringe in any other
  • the plug 5 has a recess designed to receive the washer 12 a ainst which the lower end of the fluid contamer 3 may be ressed to form a non-leakable clo sure.
  • T e upper end of the holder portion 1 has secured in it a plug 13 having a threaded hole 14 therethrough so that the threaded end 15 of the syringe 16 may be screwed therein.
  • the syringe 16 has the tapering puncturing point 17- designed to pass through the plug 13 and contact with whichever of the puncturable closures l8,
  • a washer of flexible material 23 surrounds the end 17 so'as to contact With-the end of the fluid container 3 to make a non-leakable joint.
  • the barrel 19 has inserted therein a plunger 24 secured to the end of the stem 25, which stem is provided with a button 26 which serves to form a surface for the thumb or finger of the operator to press down the plunger 24 to create pressure in the barrel 19..
  • the stem of the plunger passes through a cap 27 which may bethreaded upon the barrel 19 of the syringe.
  • a spiral spring 28 is provided, and which surrounds the rod 25, its lower end pressing upon the cap 27 and its upper end underneath the button 26. This spring 28 serves to keep the plunger 24 in an upward position and the barrel 19 filled with air.
  • our hypodermic syringe is as foll0ws:VVhen it is desired to inject a fluid solution into the tissues of a human or animal body, the barrel 16,and its threaded portion 15 is turned to screw it outwardly from the plug 13 so that the fluid container 3 may be inserted between the ends 6 and 17 of the syringe. Thereafter, the barrel 16 is turned to screw the portion 15 inwardly or downwardly until the ends 6 and 17 puncture the puncturable'closures'18, 18, on the ends of the fluid container 3, firmly pressing the ends of the fluid container upon the Washers 12 and 23 to form a non-leakable joint.
  • the plunger 24 will be held by the spring 28 in its extreme upward position. In Fig. 1 it is shown partially moved to its extreme upward position. As above described, the syringe is ready to be used,
  • this tube 8 contains fluid or cotton saturated with a sterilized solution, such as formaldehyde or alcohol.
  • a sterilized solution such as formaldehyde or alcohol.
  • the barrel 19' In constructing the syringe, we preferably arrange the barrel 19' so that its air capacity is slightly less than the fluid capacit of the fluid container 3 so that all the flui may not be expelled from said fluid container 3 by the action of the plunger 24. This prevents the air in the barrel 19 from being injected into the tissues and also prevents it from coming into contact with the walls of the hole in the .plug 5 of the needle 9, so that said walls may be kept sterile so far as any contamination to them may take place from the air in the.
  • the barrel 16 and the threaded portion 15 are screwed upwardly until the points 6 and'17 have space enough between them to be 'of greater distance than the length of the body of'the fluid container 3, whereupon said empty container 3 may be pushed out and a fresh container inserted therein.
  • the syringe may be used in the ordinary way when an empty fluid container is in place, as the plunger 24 may be moved in-- ward to expel the air in the syringe and the needle inserted in a fluid and the fluid drawn into the needle and fluid container by suction induced by moving the plunger 24 outward, and the fluid thereafter expelled by moving the plunger 24 inward.
  • fluid containers may be provided with non-leakable, puncturable closures at one end only so that fluids may be put in the containers by the operator as and when desired, and the fluid containers 'inserted in the syringe holder when it is in a vertical position, as shown in Fig. l, or the reverse of' said position and the closure punctured by' whichever of the points 6 or 17 that comes in contact with it when the part 15 is screwed inward.
  • sliding fits or cam movements may be substituted for the fluid containers which have a plurality of puncturable closures adapted to be removably held by said holder; means for punc- 'turing the puncturable closures after the fluid container is inserted and while it is being secured in the holder a pressure creating chamber at one end 0 said holder; and a hollow needle at the other.
  • a hypodermic syringe the combination of, a holder for removably holding fluid containers which have a'plurality of puncturable closures; means for puncturing said closures; a. ressure-creating chamber removably secure to one end of said holder, and a hollow needle secured to the other end of said holder, the pressure-creating chamber and needle being so arranged that pressure created in the pressure-chamber will force liquid in the containers outwardly through the needle.
  • a device for injecting fluids into human or animal tissues comprising a holder; a pressure creating chamber adjustably secured to one end of said holder; a hollow puncturable non-leakable closures secured to its ends, said fluid-container and holder arranged so the fluid-container canbe removably secured in the holder; and means for puncturing the closures. to the fluid-container after it is inserted in the holder.
  • a hypodermic syringe the combination of a holder for removably holding fluidcontainers which have puncturable closures; means for removably securing a hypodermic needle to one end of said holder; means for adjustably securing a pressure creating chamber to the other end of said holder; and means for puncturing said closures after a container is inserted in the holder.
  • a hypodermic syringe the combination of a holder for removably holding fluidcontainers; means for removably securing a hypodermic needle to one end of said holder; means for adjustably securing a pressure-creating chamber to the other end of said holder; and means connected to said holder for puncturing the tractturable closcribing witnesses,
  • a compression chamber a compression chamber
  • a plunger a spring for normally holding the lunger in position to be operative
  • fluid containers having puncturable fluid-tight closures covering the openings thereof; and said puncturable-closures;

Description

M. BENMOSCHE & R. P. ELLIOTT.
HYPODERMIC SYRINGE.
APPLICATION FILED AUG.22,1913.
Patented June 29, "1915.
........ b W v I 5 F a W g I of Nashua, county fl aj' are.
MOSES BENMOSCHE, F NASH'O'A, NEW HAMPSHIRE, AND RICHARD P. ELLIOTT, 0F
' BOSTON, MASSACHUSETTS.
HYPODERMIO SYRINGE.
Specification of Letters Patent.
Patented June 29, 1915.
To all whom it may concern:
Be it known that WG,'MOSES BENMOSCHE, of Hillsboro, and State of New Hampshire, and RICHARD P. EL- mom, of Boston, county of Suffolk, and State of Massachusetts, citizens of the United States, have invented certain new and useful Improvements in Hypodermic Syringes, fication, reference being bad to the drawings accompanying the same and forming a part thereof.
Our invention relates to a hypodermic syringe wherein the pressure creating means and the fluid container are separate, and
whereby diflerent fluid containers may be insertedand removed. after they have been emptied of their contents.
The objects of our invention are to produce a-hypodermic syringe having a pressure creating chamber and a holder arranged tov have a fluid containing chamber me'movablysecured therein so as to form an airtight joint at the ends ofsaid. container.
A further object of our invention is to'so construct-and arrange the holder and connecting pressure chamber as to use a fluidcontainer in saidhypodermic syringe, which container is provided with puncturable nonleakable closures at its ends, and means for puncturing said non-leakable closures after the container is inserted in the holder so that the fluid contained therein may be ex- .pe-lledfromisaid fluid-container by pressure created in the chamber.
the drawings forming a part of this,
specificatioN-Figurel is a longitudinal sectional view of the syringe with a fluid con- .tainer tube inserted therein in operative po-. .sition; Fig. 2 is a cross section of the flu d container 2 and the body of the hypodermic syringe in which the fluid container tube is inserted for use; Fig. 3 is a longitudinalsection of that ortion of the hypodermic syringe designed to receive the fluid container 3; Fig. 4 is one of the fluid container tubes with the closures removed; Fig. 5 is one of the fluid container tubes with the closures in place; and Fi 6 is one of the fluid container tubes s owing both closures punctured so that any fluid contained therein may be driven out.
. The hypodermic syringe consists of the holder 1 which is constructed with an openof which the following is a speciis closed by a suitable manner.
' bent inward as shown in Fig. 1 so that when the fluid container 3 rests againstthem it will be centralized between the openings of the syringe. The'lower endof the tube I plug 5 secured therein. The plug 5 is provided with atapering upwardly pro ecting puncturing point 6 having a hole therethrough designed to puncture one end of the closure on the fluid container 3. The lower end of the lug 5 may be provided with a projection externally threaded to receive the cap 8. The cap 8 is desi ed to contain a sterilizingfluid, such as ormaldehyde designed to keep the needle 9. sterile and free from bacteria. The use of the cap 8 is optional. This needle 9 has a portion 10 which is contracted at 11 and may be threaded to screw into a threaded hole in the lower end of the plug 5. The needle may be secured to the syringe in any other The plug 5 has a recess designed to receive the washer 12 a ainst which the lower end of the fluid contamer 3 may be ressed to form a non-leakable clo sure. T e upper end of the holder portion 1 has secured in it a plug 13 having a threaded hole 14 therethrough so that the threaded end 15 of the syringe 16 may be screwed therein. The syringe 16 has the tapering puncturing point 17- designed to pass through the plug 13 and contact with whichever of the puncturable closures l8,
18, is presented to it and puncture the same so that the air .pressure created in the barrel 19 of the hypodermic syringe 16 will pass through the hole 20 to. expel fluid from the body 21 of the fluid container 3.. A washer of flexible material 23 surrounds the end 17 so'as to contact With-the end of the fluid container 3 to make a non-leakable joint.
The barrel 19 has inserted therein a plunger 24 secured to the end of the stem 25, which stem is provided with a button 26 which serves to form a surface for the thumb or finger of the operator to press down the plunger 24 to create pressure in the barrel 19.. The stem of the plunger passes through a cap 27 which may bethreaded upon the barrel 19 of the syringe. A spiral spring 28 is provided, and which surrounds the rod 25, its lower end pressing upon the cap 27 and its upper end underneath the button 26. This spring 28 serves to keep the plunger 24 in an upward position and the barrel 19 filled with air.
The operation of our hypodermic syringe is as foll0ws:VVhen it is desired to inject a fluid solution into the tissues of a human or animal body, the barrel 16,and its threaded portion 15 is turned to screw it outwardly from the plug 13 so that the fluid container 3 may be inserted between the ends 6 and 17 of the syringe. Thereafter, the barrel 16 is turned to screw the portion 15 inwardly or downwardly until the ends 6 and 17 puncture the puncturable'closures'18, 18, on the ends of the fluid container 3, firmly pressing the ends of the fluid container upon the Washers 12 and 23 to form a non-leakable joint. When the fluid container is inserted as described, the plunger 24 will be held by the spring 28 in its extreme upward position. In Fig. 1 it is shown partially moved to its extreme upward position. As above described, the syringe is ready to be used,
except that the tube,8 must be unscrewed from its threaded connection 7 to expose the hollow needle 9. As before stated, this tube 8 contains fluid or cotton saturated with a sterilized solution, such as formaldehyde or alcohol. When the tube 8 isremoved the syringe isready for the operation of injecting a fluid. solution into thetissues of a human or animal body. By pressing downwardly upon the button 26 the plunger 24 is moved downwardly and pressure created upon the topof the liquid contained in the liquid container 3, thus forcibly expelling the liquid by means of the needle 9 into the tissues before mentioned. In constructing the syringe, we preferably arrange the barrel 19' so that its air capacity is slightly less than the fluid capacit of the fluid container 3 so that all the flui may not be expelled from said fluid container 3 by the action of the plunger 24. This prevents the air in the barrel 19 from being injected into the tissues and also prevents it from coming into contact with the walls of the hole in the .plug 5 of the needle 9, so that said walls may be kept sterile so far as any contamination to them may take place from the air in the.
barrel 19. When the operation of injecting the fluid from a fluid container 3 has been completed and it is desired to inject another solution, the barrel 16 and the threaded portion 15 are screwed upwardly until the points 6 and'17 have space enough between them to be 'of greater distance than the length of the body of'the fluid container 3, whereupon said empty container 3 may be pushed out and a fresh container inserted therein.
The syringe may be used in the ordinary way when an empty fluid container is in place, as the plunger 24 may be moved in-- ward to expel the air in the syringe and the needle inserted in a fluid and the fluid drawn into the needle and fluid container by suction induced by moving the plunger 24 outward, and the fluid thereafter expelled by moving the plunger 24 inward. Furthermore, fluid containers may be provided with non-leakable, puncturable closures at one end only so that fluids may be put in the containers by the operator as and when desired, and the fluid containers 'inserted in the syringe holder when it is in a vertical position, as shown in Fig. l, or the reverse of' said position and the closure punctured by' whichever of the points 6 or 17 that comes in contact with it when the part 15 is screwed inward.
We do not confine ourselves to the exact form of the parts' shown herein, as the sizes and shape of the parts may bevaried to suitthe convenience or requirements of the user, without departing from the spirit of our invention. Likewise, sliding fits or cam movements may be substituted for the fluid containers which have a plurality of puncturable closures adapted to be removably held by said holder; means for punc- 'turing the puncturable closures after the fluid container is inserted and while it is being secured in the holder a pressure creating chamber at one end 0 said holder; and a hollow needle at the other.
3. In a hypodermic syringe the combination of, a holder for removably holding fluid containers which have a'plurality of puncturable closures; means for puncturing said closures; a. ressure-creating chamber removably secure to one end of said holder, and a hollow needle secured to the other end of said holder, the pressure-creating chamber and needle being so arranged that pressure created in the pressure-chamber will force liquid in the containers outwardly through the needle. L
4. A device for injecting fluids into human or animal tissues, comprising a holder; a pressure creating chamber adjustably secured to one end of said holder; a hollow puncturable non-leakable closures secured to its ends, said fluid-container and holder arranged so the fluid-container canbe removably secured in the holder; and means for puncturing the closures. to the fluid-container after it is inserted in the holder.
5. In a hypodermic syringe, the combination of a holder for removably holding fluidcontainers which have puncturable closures; means for removably securing a hypodermic needle to one end of said holder; means for adjustably securing a pressure creating chamber to the other end of said holder; and means for puncturing said closures after a container is inserted in the holder. 7
6. In a hypodermic syringe, the combination of a holder for removably holding fluidcontainers; means for removably securing a hypodermic needle to one end of said holder; means for adjustably securing a pressure-creating chamber to the other end of said holder; and means connected to said holder for puncturing the puneturable closcribing witnesses,
a compression chamber; a. plunger; a spring for normally holding the lunger in position to be operative; with fluid containers having puncturable fluid-tight closures covering the openings thereof; and said puncturable-closures;
In testimony whereof, we have hereunto set our hands, in the presence of two subthis the 21st day of August, A. D. 1913.
' MOSES BENMOSCHE.
RICHARD P. ELLIOTT; Witnesses: 1 STEPHEN L. HALLINAN,
EDWIN D. FLANDERS.
US78611913A 1913-08-22 1913-08-22 Hypodermic syringe. Expired - Lifetime US1144343A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420102A (en) * 1945-07-27 1947-05-06 Roy W Hunting Syringe extension
US2490551A (en) * 1947-09-20 1949-12-06 Arthur E Smith Disposable ampoule syringe
US2552100A (en) * 1948-04-06 1951-05-08 Leonetti Francois Combined ampoule and injection syringe
US2672142A (en) * 1947-09-30 1954-03-16 Harold M Baron Breech loading syringe for use with hypodermic medication cartridges
US2687724A (en) * 1950-03-02 1954-08-31 Geoffrey W Walker Inoculant injector instrument
US2693803A (en) * 1951-07-09 1954-11-09 Cutter Lab Disposable syringe
US2888923A (en) * 1955-10-18 1959-06-02 Reis Antonio Da Cunha New ampoule-syringe
US20220401946A1 (en) * 2017-07-27 2022-12-22 Biomerieux, Inc. Isolation tube

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420102A (en) * 1945-07-27 1947-05-06 Roy W Hunting Syringe extension
US2490551A (en) * 1947-09-20 1949-12-06 Arthur E Smith Disposable ampoule syringe
US2672142A (en) * 1947-09-30 1954-03-16 Harold M Baron Breech loading syringe for use with hypodermic medication cartridges
US2552100A (en) * 1948-04-06 1951-05-08 Leonetti Francois Combined ampoule and injection syringe
US2687724A (en) * 1950-03-02 1954-08-31 Geoffrey W Walker Inoculant injector instrument
US2693803A (en) * 1951-07-09 1954-11-09 Cutter Lab Disposable syringe
US2888923A (en) * 1955-10-18 1959-06-02 Reis Antonio Da Cunha New ampoule-syringe
US20220401946A1 (en) * 2017-07-27 2022-12-22 Biomerieux, Inc. Isolation tube

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