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US3200486A - Method of applying a shield to a hypodermic needle - Google Patents

Method of applying a shield to a hypodermic needle
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US3200486A
US3200486AUS309035AUS30903563AUS3200486AUS 3200486 AUS3200486 AUS 3200486AUS 309035 AUS309035 AUS 309035AUS 30903563 AUS30903563 AUS 30903563AUS 3200486 AUS3200486 AUS 3200486A
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hypodermic needle
end portion
tubing
cap member
needle
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US309035A
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Walter A Shields
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Aug. 17, 1965 w. A. SHIELDS METHOD OF APPLYING A SHIELD TO A HYPODERMIC NEEDLE Filed Sept. 16, 1963 INVENTOR WALTER A.SHIELDS United States Patent 3,209,486 METI-IIBD 9F APPLYING A SHIELD TO A hYPGDERMIC NEEDLE Walter A. Shields, Jamaica, N.Y. (38--tl9 24th St, Long Island City, Long Island, N.Y-) Filed Sept. 16, I963, Ser. No. 309,035 3 Claims. (Cl. 29-422) This invention relates to the method of applying a protective shield on the end portion of a hypodermic needle which is inserted into the neck of a syringe barrel or into the pierceable sealing member of a vial containing a liquid medicament whereby the hypodermic needle does not contact said neck or the pierceable sealing memher and become contaminated by bacteria on the neck or pierceable sealing member.
It is the object of the invention to provide a method of applying a protective shield on said end portion of the hypodermic needle whereby said protective shield is mechanically applied on a straight line production principle.
Other objects and advantages of the invention will be set forth in the detailed description of the invention.
In the drawing accompanying and forming a part of this application:
FIGURE 1 is a vertical view, partly in section, showing the initial step in the method of applying a protective shield to an end portion of a hypodermic needle;
FIGURE 2 is a view similar to FIGURE 1 showing the second step in the method;
FIGURE 3 is a view similar to FIGURES 1 and 2 showing the two final steps in the method;
FIGURE 4 is a vertical-sectional view of the product produced by the method;
FIGURE 5 is a view partly in section of the product produced by the method applied to a syringe carrying a cartridge or vial containing a liquid medicament and showing the function of the protective shield; and
FIGURE 6 is a view similar to FIGURE 5 showing the product applied directly to the vial containing the medicament.
Ahypodermic needle 7 having penetratingends 8 and 9 is mounted in acap member 10 with the penetratingend 8 extended exteriorly of the closed end of the cap member and the penetratingend 9 extended from the open end of the cap member. In FIGURES 1 to 5, inclusive, the skirt of the cap member I0 is provided with internal screw-threads for the releaseable engagement of screwthreads on the exterior of an end portion of a syringe barrel 11 as shown in FIGURE 5. The barrel II is provided with aneck portion 12 through which the needle end portion provided with the penetratingend 9 is passed. Avial 13 containing a liquid medicament m is provided at one end with abeaded mouth 14 closed by apierceable disk 15 secured to themouth 14 by aperforated cap 16 having the skirt crimped around the beaded mouth, as shown at 17 in FIGURES 5 and 6. The opposite end of the vial I3 is closed by aplunger 18 having a screwthreadedstud 19 extended from the outer end thereof. The vial I3 is inserted in the syringe barrel 11 through the end opposite the end arranged with theneck portion 12 and said opposite end is closed by aplug closure 20 screw-threaded in said opposite end, as shown in FIG- URE 5. Arod 21 is slidably mounted in the plug closure 2% with the inner end of said rod screw-threaded on the stud 1% and the outer end of therod 21 provided with a manipulatingknob 22.
In the use of the syringe shown in FIGURE 5, the vial I3 is inserted in the syringe barrel 11 and theplug closure 29 is screw-threaded in said barrel and therod 21 3,29%,435 Patented Aug. 17, 1965 is attached to theplunger 13, after which the penetratingend 9 of thehypodermic needle 7 is pushed through the perforation in thecap 16 and thepierceable disk 15 into the liquid medicament m. During the insertion of theneedle 7 into the medicament m, thecap member 10 is screwed on the syringe barrel 11. After thecap member 10 is secured to the syringe barrel 11, the syringe is ready for use by puncturing the skin of a patent with the penetratingend 8 of thehypodermic needle 7 and pushing therod 21 into the syringe barrel 11.
In FIGURE 6, the use of the syringe barrel 11 is omitted and the screw-threads on the skirt of thecap member 10 are also omitted. The skirt of thecap member 10 has a slip-on engagement with the skirt portion of thecap 16. The operation of the vial type of syringe shown in FIGURE 6 is the same as the barrel type of syringe whereby a rod, not shown, but'similar to therod 21, is attached to thestud 19.
It is the object of the invention to maintain theneedle 7 as sterile as possible and there is always the possibility that the interior surface of theneck portion 12 in FIG- URE 5 or themouth 14 in FIGURES 5 and 6 may have become contaminated and the end portion of theneedle 7 arranged with the penetratingend 9 may become contaminated by contacting said interior surface when it is inserted intosaid neck portion 12 or saidmouth 14.
To avoid said contamination of the needle, the end of the needle entering the syringe barrel and medicament containing vial has been covered by a sleeve as shown in Patent No. 3,055,364, issued September 25, 1962, to Simon Myerson and Richard L. Myerson. This sleeve of the patent to Myerson et al. is placed on the needle by hand which is a slow and expensive method.
It is the object of the invention to reduce the cost and time in placing the sleeve or protective shield on the needle.
A plurality ofneedles 7 and their carrying cap members It) are first sterilized and placed on a conveyor, not shown, and successively positioned above a pair ofrolls 23 feeding a length oftubing 24 of fusible plastic material through aguide member 25. Therolls 23 feed a predetermined length oftubing 24 along the entire length of theneedle 7 extending into and out of thecap member 10 with the forward end of the tubing abutting the interior of the bottom or closed end of the cap member, as shown in FIGURE 2.
Subsequent to the positioning of thetubing 24 over the needle, spaced portions of said feed tubing are collapsed around the needle above the penetratingend 9 and below said penetratingend 9, as at 26 and 27 in FIGURES 3 and 4. This is accomplished in the present illustration of the invention by fusing said portions of the tubing byburners 23 spaced around the portions of the tubing where it is desired to collapse. Other means for performing this step may be employed. The fusing of the portion of the tubing below the penetratingend 9 will form asack 29 enclosing said penetratingend 9, as shown in FIGURE 4.
Simultaneously with or subsequently to the collapsing of theportions 26 and 27, thesack 29 is severed from the tubing by a blade 39 supported on theguide member 25 and reciprocated toward and away from thetubing 24, as shown in FIGURES 2 and 3.
After the sterilization of theneedle 7 and their carryingcap members 10 and before the end portions of theneedles 7 arranged with thepenetrating ends 9 are encased with thesacks 29, each of the opposite end portions of theneedles 7 arranged with thepenetrating ends 8 is enclosed by ashield 31 having an enlargedopenend portion 32 seated over atubular portion 33 of thecap member 10.
After thesacks 29 have been applied, the entire needle units are removed from the conveyor and packaged.
In use, thesack 29 is forced either into theneck 12 of the syringe barrel, as shown in FIGURE 5, or through the perforation of thecap 16 and into themouth 14 of thevial 13, as shown in FIGURE 6, and the contact of thesack 29 withsaid neck portion 12 or thecap 16 and themouth 14 will hold said sack and the continued movement of thecap member 10 onto the syringe barrel 11 or onto thecap 16 will move thepenetrating end 9 from thesack 29 and into thevial 13. Said continued movement of the needle will compress thesack 29 in theneck portion 12 or thecap 16 and themouth 14, as shown at 34 in FIGURES and 6.
Having thus described my invention, I claim:
1. The method of applying a protective shield on one end portion of a hypodermic needle mounted in a cap member with the first end portion of the hypodermic needle extended from the exterior of said cap member and the second end portion of the hypodermic needle extended into the cap member, comprising feeding tubing of protective material and of greater length than the second end portion of the hypodermic needle onto said second end portion of the hypodermic needle with the forward end of the tubing abutting the interior of the cap member, collapsing spaced portions of the tubing to close the tubing around the second end portion of the hypodermic needle and at a point beyond the extremity of the second end portion of the hypodermic needle, and severing the tubing beyond the collapsed portion positioned beyond the extremity of the second end portion of the hypodermic needle.
2. The method of applying a protective shield on one end portion of a hypodermic needle, comprising feeding tubing of fusibl; material and of greater length than said end portion of the hypodermic needle onto said end portion of the hypodermic needle, heating spaced portions of said tubing to close the tubing around the hypodermic needle and at a point beyond the extremity of the end portion of hypodermic needle to be protected, and severing the tubing beyond the closed portion positioned beyond the extremity of the end portion of the hypodermic needle.
3. The method of applying a protective shield on one end of a hypodermic needle as claimed in claim 2, Wherein the heating of spaced portions of said tubing is produced by flame heating.
References Cited by the Examiner UNITED STATES PATENTS 11/47 Roos 29-422X 12/58 Doering et al. 29422

Claims (1)

1. THE METHOD OF APPLYING A PROTECTIVE SHIELD ON ONE END PORTION OF A HYPODERMIC NEEDLE MOUNTEDI N A CAP MEMBER WITH THE FIRST END PORTION OF THE HYPODERMIC NEEDLE EXTENDED FROM THE EXTERIOR OF SAID CAP MEMBER AND THE SECOND END PORTION OF THE HYPODERMIC NEEDLE EXTEND INTO THE CAP MEMBER, COMPRISING FEEDING TUBING OF PROTECTIVE MATERIAL AND OF GREATER LENGHT THAN THE SECOND END PORTION OF THE HYPODERMIC NEEDLE ONTO SAID SECOND END PORTION OF THE HYPODERMIC NEEDLE WITH THE FORWARD END OF THE TUBING ABUTTING THE INTERIOF OF THE CAP MEMBER, COLLAPSING SPACED PORTIONS OFTHE TUBING TO CLOSE THE TUBING AROUND THE SECOND END PORTION OF THE HYPODERMIC NEEDLE AND AT A POINT BEYOND THE EXTREMITY OF THE SECOND END PORTION OF THE HYPODERMIC NEEDLE, AND SEVERING THE TUBING BEYOND THE COLLAPSED PORTION POSITIONED BEYOND THE EXTEMITY OF THE SECOND END PORTION OF THE HYPODERMIC NEEDLE.
US309035A1963-09-161963-09-16Method of applying a shield to a hypodermic needleExpired - LifetimeUS3200486A (en)

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3330004A (en)*1963-11-041967-07-11Nosco PlasticsHypodermic syringe
US3500821A (en)*1967-12-051970-03-17Asper Vac CorpMultiple blood sampling apparatus with aspiration means
US3585984A (en)*1968-04-101971-06-22Parke Davis & CoBlood transfer device
US3707968A (en)*1970-10-071973-01-02Sherwood Medical Ind IncArming cap for breech loaded syringe
US3886930A (en)*1971-04-301975-06-03Abbott LabBlood collecting assembly
JPS535891A (en)*1976-07-061978-01-19Becton Dickinson CoHypodermic injector
US4356610A (en)*1978-04-171982-11-02American Home Products CorporationMethod of manufacturing catheter for measuring intrauterine pressure or the like
DE3215289A1 (en)*1982-04-221983-11-03Bausch + Ströbel, Maschinenfabrik GmbH + Co, 7174 IlshofenCap attachment device
US4592745A (en)*1984-02-291986-06-03Novo Industri A/SDispenser
US5002538A (en)*1988-10-251991-03-26Johnson Johnnie MSyringe adapter and method
US20040104243A1 (en)*2002-12-032004-06-03Forhealth Technologies, Inc.Automated means for removing, parking and replacing a syringe tip cap from a syringe
US20050004706A1 (en)*2002-12-032005-01-06Osborne Joel A.Tamper evident syringe tip cap and automated method for preparing tamper-evident syringes
US20050045242A1 (en)*2002-12-032005-03-03Osborne Joel A.Automated means of storing, dispensing and orienting injectable drug vials for a robotic application
US6915823B2 (en)2002-12-032005-07-12Forhealth Technologies, Inc.Automated apparatus and process for reconstitution and delivery of medication to an automated syringe preparation apparatus
US20070125442A1 (en)*2002-12-032007-06-07Forhealth Technologies, Inc.Automated drug preparation apparatus including automated drug reconstitution
US20080021387A1 (en)*2005-08-312008-01-24Rodolfo GabaMedical Sharps Retardation Apparatus and a Method of Retarding Medical Sharps from Future Use
US20080035234A1 (en)*2006-08-102008-02-14Forhealth Technologies, Inc.Automated system and process for filling drug delivery devices of multiple sizes
US20080051937A1 (en)*2006-08-232008-02-28Forhealth Technologies, Inc.Automated drug delivery bag filling system
US20080169045A1 (en)*2006-10-312008-07-17Forhealth Technologies, Inc.Automated drug preparation apparatus including serial dilution functionality
US20100100234A1 (en)*2006-10-202010-04-22Forhealth Technologies, Inc.Automated drug preparation apparatus including syringe loading, preparation and filling
US7814731B2 (en)2006-10-202010-10-19Forhealth Technologies, Inc.Automated drug preparation apparatus including a bluetooth communications network
US7900658B2 (en)2006-10-202011-03-08Fht, Inc.Automated drug preparation apparatus including drug vial handling, venting, cannula positioning functionality
USRE43597E1 (en)*2000-05-252012-08-21Mary Lucille Pilkington TrustAdapter and method of attachment for “LUER LOK” receptacles
US8353869B2 (en)2010-11-022013-01-15Baxa CorporationAnti-tampering apparatus and method for drug delivery devices
US10688021B2 (en)2002-12-032020-06-23Baxter Corporation EnglewoodAutomated drug preparation apparatus including automated drug reconstitution

Citations (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2430995A (en)*1942-12-311947-11-18Roos William LawrenceEnd-sealed thermoplastic container body
US2864159A (en)*1954-09-291958-12-16Western Electric CoMethod of making splicing sleeve assemblies

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US2430995A (en)*1942-12-311947-11-18Roos William LawrenceEnd-sealed thermoplastic container body
US2864159A (en)*1954-09-291958-12-16Western Electric CoMethod of making splicing sleeve assemblies

Cited By (44)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
US3330004A (en)*1963-11-041967-07-11Nosco PlasticsHypodermic syringe
US3500821A (en)*1967-12-051970-03-17Asper Vac CorpMultiple blood sampling apparatus with aspiration means
US3585984A (en)*1968-04-101971-06-22Parke Davis & CoBlood transfer device
US3707968A (en)*1970-10-071973-01-02Sherwood Medical Ind IncArming cap for breech loaded syringe
US3886930A (en)*1971-04-301975-06-03Abbott LabBlood collecting assembly
JPS535891A (en)*1976-07-061978-01-19Becton Dickinson CoHypodermic injector
US4356610A (en)*1978-04-171982-11-02American Home Products CorporationMethod of manufacturing catheter for measuring intrauterine pressure or the like
DE3215289A1 (en)*1982-04-221983-11-03Bausch + Ströbel, Maschinenfabrik GmbH + Co, 7174 IlshofenCap attachment device
US4592745A (en)*1984-02-291986-06-03Novo Industri A/SDispenser
US5002538A (en)*1988-10-251991-03-26Johnson Johnnie MSyringe adapter and method
USRE43597E1 (en)*2000-05-252012-08-21Mary Lucille Pilkington TrustAdapter and method of attachment for “LUER LOK” receptacles
US20060201575A1 (en)*2002-12-032006-09-14Forhealth Technologies, Inc.Automated means for storing, dispensing and orienting injectable drug vials for a robotic application
US20050004706A1 (en)*2002-12-032005-01-06Osborne Joel A.Tamper evident syringe tip cap and automated method for preparing tamper-evident syringes
US6915823B2 (en)2002-12-032005-07-12Forhealth Technologies, Inc.Automated apparatus and process for reconstitution and delivery of medication to an automated syringe preparation apparatus
US6991002B2 (en)2002-12-032006-01-31Forhealth Technologies, Inc.Tamper evident syringe tip cap and automated method for preparing tamper-evident syringes
US7017622B2 (en)2002-12-032006-03-28Forhealth Technologies, Inc.Automated means for removing, parking and replacing a syringe tip cap from a syringe
US8191339B2 (en)2002-12-032012-06-05Fht, Inc.Automated drug preparation apparatus including automated drug reconstitution
US7117902B2 (en)2002-12-032006-10-10Forhealth Technologies, Inc.Automated means of storing, dispensing and orienting injectable drug vials for a robotic application
US20070125442A1 (en)*2002-12-032007-06-07Forhealth Technologies, Inc.Automated drug preparation apparatus including automated drug reconstitution
US7240699B2 (en)2002-12-032007-07-10Forhealth Technologies, IncAutomated means for storing, dispensing and orienting injectable drug vials for a robotic application
US8220503B2 (en)2002-12-032012-07-17Fht, Inc.Automated drug preparation apparatus including drug reconstitution
US20040104243A1 (en)*2002-12-032004-06-03Forhealth Technologies, Inc.Automated means for removing, parking and replacing a syringe tip cap from a syringe
US20050045242A1 (en)*2002-12-032005-03-03Osborne Joel A.Automated means of storing, dispensing and orienting injectable drug vials for a robotic application
US10688021B2 (en)2002-12-032020-06-23Baxter Corporation EnglewoodAutomated drug preparation apparatus including automated drug reconstitution
US8678047B2 (en)2002-12-032014-03-25Baxter Corporation EnglewoodAutomated drug preparation apparatus including automated drug reconstitution
US10327988B2 (en)2002-12-032019-06-25Baxter Corporation EnglewoodAutomated drug preparation apparatus including automated drug reconstitution
US20100161113A1 (en)*2002-12-032010-06-24Forhealth Technologies, Inc.Automated drug preparation apparatus including drug reconstitution
US7753085B2 (en)2002-12-032010-07-13Forhealth Technologies, Inc.Automated drug preparation apparatus including automated drug reconstitution
US20100217431A1 (en)*2002-12-032010-08-26Forhealth Technologies, Inc.Automated drug preparation apparatus including automated drug reconstitution
US9382021B2 (en)2002-12-032016-07-05Baxter Corporation EnglewoodAutomated drug preparation apparatus including automated drug reconstitution
US7984805B2 (en)*2005-08-312011-07-26Griff Industries IncMedical sharps retardation apparatus and a method of retarding medical sharps from future use
US20080021387A1 (en)*2005-08-312008-01-24Rodolfo GabaMedical Sharps Retardation Apparatus and a Method of Retarding Medical Sharps from Future Use
US7681606B2 (en)2006-08-102010-03-23Fht, Inc.Automated system and process for filling drug delivery devices of multiple sizes
US20080035234A1 (en)*2006-08-102008-02-14Forhealth Technologies, Inc.Automated system and process for filling drug delivery devices of multiple sizes
US20080051937A1 (en)*2006-08-232008-02-28Forhealth Technologies, Inc.Automated drug delivery bag filling system
US8151835B2 (en)2006-08-232012-04-10Fht, Inc.Automated drug delivery bag filling system
US8209941B2 (en)2006-10-202012-07-03Fht, Inc.Automated drug preparation apparatus including syringe loading, preparation and filling
US7900658B2 (en)2006-10-202011-03-08Fht, Inc.Automated drug preparation apparatus including drug vial handling, venting, cannula positioning functionality
US7814731B2 (en)2006-10-202010-10-19Forhealth Technologies, Inc.Automated drug preparation apparatus including a bluetooth communications network
US20100100234A1 (en)*2006-10-202010-04-22Forhealth Technologies, Inc.Automated drug preparation apparatus including syringe loading, preparation and filling
US7913720B2 (en)2006-10-312011-03-29Fht, Inc.Automated drug preparation apparatus including serial dilution functionality
US20080169045A1 (en)*2006-10-312008-07-17Forhealth Technologies, Inc.Automated drug preparation apparatus including serial dilution functionality
US8353869B2 (en)2010-11-022013-01-15Baxa CorporationAnti-tampering apparatus and method for drug delivery devices
US8784377B2 (en)2010-11-022014-07-22Baxter Corporation EnglewoodAnti-tampering apparatus and method for drug delivery devices

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