|Numéro de publication||US3920013 A|
|Type de publication||Octroi|
|Date de publication||18 nov. 1975|
|Date de dépôt||6 janv. 1975|
|Date de priorité||6 janv. 1975|
|Autre référence de publication||CA1039598A1|
|Numéro de publication||US 3920013 A, US 3920013A, US-A-3920013, US3920013 A, US3920013A|
|Inventeurs||Bodzin Jason H|
|Cessionnaire d'origine||Bodzin Jason H|
|Exporter la citation||BiBTeX, EndNote, RefMan|
|Citations de brevets (4), Référencé par (12), Classifications (4)|
|Liens externes: USPTO, Cession USPTO, Espacenet|
[4 1 Nov. 18, 1975 l l SUBCLAVIAN VENA PUNCTURE DEVICES  Inventor: Jason H. Bodzin, 14621 Balfour,
Oak Park, Mich. 48237  Filed: .Ian. 6, 1975  Appl. No: 539,014
 US. Cl. l28/2l4.4; 128/2 F; 128/221; l28/DIG. 16  Int. Cl. A61M 5/00; A61M 25/00  Field of Search..... l28/2l4.4, 221, 2 F, 218 R, 128/347, 348, DIG. 16
 References Cited UNITED STATES PATENTS 2,711,734 6/1955 Moe 128/276 3,335,723 8/1967 Waldman l28/2l4.4 3,766,916 10/1973 Moorehead'et a1 l28/2l4.4 3,851,647 12/1974 Monestere et al. 128/214.4
FOREIGN PATENTS OR APPLICATIONS 507,607 12/1954 Italy l28/214.4
2,004,771 11/1969 France 128/214.4
Primary Exarriiner-Dalt0n L. Truluck Attorney, Agent, or Firm-Everett G. Wright 57 ABSTRACT An improved subclavian vena puncture device comprising the combination of a straight hollow needle having a beveled lower tip and a syringe removably fixed to the opposite upper end thereof, the said needle having a substantially equal sized hollow catheter guide tube fixed to and extending angularly upwardly from one side of the upper portion of the said needle. A catheter temporarily closed by a metal stylet therein is initially telescoped neatly within the lumen of the said guide tube extending downwardly to but slightly short of the juncture between the catheter guide tube and the hollow needle, thereby'closing the said guide tube whereby to prevent the free end of the catheter from entering the lumen of the needle during the vena puncture until blood has been aspirated through the needle into the syringe, which assures the surgeon of the correct location of the needle with the vein. The catheter is then pushed downwardly from its initial position within the said hollow catheter guide tube into the lower end of the needle and continues therefrom into the lumen of the vein to' the required distance therein. The straight hollow needle is now gently removed by sliding it out of the vein, leaving the soft plastic catheter disposed in the vein through which blood or medicants may be provided as required by conventional intravenous means into the vein after the stylet is removed from the catheter which is immediately connected to the said intravenous means.
1 Claim, 4 Drawing Figures U.S. Patent Nov. 18, 1975 3,920,013
nected to the upper end thereof. An upwardly disposed hollow cathetergguide tubeofsubstantially the same size as the hollow needle isfixed to and extends angularly upwardly from, one, side of the upper portion of the said needle. A catheter temporarily closed by a metal stylettherein is. telescoped into the catheter, guide tube neatly yvithiri lumm of the said catheter guide tube extending downwardly to ,a. positionslightly short of the juncture between the catheter guidetube and the hollow needle. The catheterguide tube isnow closed, and
1 and'an .upper end 11 1 by such means as a suitableconnector 12 to the lower which is removably secured stem 130 of asyringe'13. The upper central portion of the hollow-needle 1 la'has a substantially equal sized hollow-catheterguid'e tube 14. fixed thereto at 140 and extends .ahgularly upwardlyfrom one side of the said needlel1.
A catheter l5 temporarily closed by a customarily employed metal, stylet therein is telescoped down- .,war dly throughthe said catheter guide tube 14 to a position just short of the lower endof the said catheter guide tube 1 4, leaving the main portion of the straight hollow needle 11 clear whereby to permit blood to be "aspirated fromthe' subclavian vein 16 by the syringe 13 blood may now beremoved :by the syringe 'from the straight hollow'heedle, thereby tolassure that the said needle is properly located within the ,vein of the patient. The catheter is then pushed downwardly from its initial position within the hollow catheter guide tube into and through the lower end of the needle, and into the lumen of the vein to a short distance therein. The straight hollow needle may now be removed from the vein leaving the relatively soft plastic catheter disposed in the vein with its upper end portion extending through the catheter guide tube, and with the free end portion thereof closed by any suitable means. The catheter is then connected to a conventional intravenous means through which blood or medicants may be provided to and through the catheter and into the vein of a patient as may be required.
BRIEF DESCRIPTION OF THE DRAWINGS In the accompanying drawings wherein like reference characters refer to like and corresponding parts throughout the several views:
FIG. 1 is a vertical elevational view of a subclavian vena puncture device embodying the invention showing the lower end of the hollow bevel ended needle thereof punctured through the skin and telescoped into the large subclavian vein in the neck of a patient.
FIG. 2 is a vertical elevational view similar to FIG. 1 except that a catheter closed by a metal stylet has been responsive t o. the withdrawal of the piston 131 of the said syringe 13. This provides surgeon with an opportunity to be assured with respect to proper location of' the needle llwithin the vein of the patient.
7 The catheter; 15 its stylet therein is now pushed downwardly from the'catheter guide tube 14 into the I lower end portion of the straight hollow needle 11 and i is continued therefrom intothe patients subclavian low catheter guide tube projecting diagonally upwardly "from the upper portion of said needle.
FIG. 3 is a vertical elevational view similar to FIG. 2 except that the catheter has been extended downwardly through the diagonally upwardly extending hollow catheter guide tube to and through the lower beveled end of the said needle, and into the subclavian vein of the patient therebelow.
FIG. 4 is a vertical elevational view similar to FIG. 3 showing the syringe removed from the upper end of the needle and the needle immediately capped; the upper end portion of the catheter is then closed temporarily by a suitable connector whereby to permit the catheter to be connected to a conventional intravenous (I-V) device through which blood or medicants may be provided to and through the vein of the patient as required.
DESCRIPTION OF A PREFERRED EMBODIMENT OF THE INVENTION The improved subclavian vena puncture device 10 disclosed in the drawings comprises the combination of a straight hollow needle 11 having a lower beveled tip vein 16 to a selected distance therein as determined by the surgeon. The stylet is now removed from the cathet er prow'ding a clear passageway through the catheter 15. Suitable connectors 17 are employed as required to close or open the catheter passage when and as required.
The straight hollow needle 11 is now gently removed from the patients vein 16 by sliding it out of the vein, leaving the relatively soft plastic catheter 15 disposed in the vein through which blood or medicants may be provided to the patient as required by the use of conventional intravenous (I-V)) means 18.
The preferred subclavian device 10 of the invention is made sterile by employing conventional means, and is made ready for use with the needle 1 1 thereof removably connected at its upper end to the lower stem of the syringe 13. By holding the syringe 13 in one hand and guiding the needle 11 in alignment within the subclavian vein 16 of the patient with the other hand, the lower beveled tip 110 of the needle 1 1 is caused to penetrate the skin of the patient and enter the lumen of the vern.
The catheter 15 is then slowly pushed downwardly from its initial position in the catheter guide tube 14 into the lumen of the needle 11 and continues downwardly therefrom into the vein 16 of the patient to the required distance therein. The syringe 13 may now be disconnected from the upper end of the needle, and the needle immediately capped.
The upper end of the catheter 15 is now connected to the bottom of the neck of a conventional intravenous (l-V) means 18 providing the patient with whatever intravenous fluids as may be required and/or allowed by the surgeon. The straight needle 11 is now gently removed by sliding it out of the patients vein 16, leaving the relatively soft plastic catheter 15 therein.
It is important that, during the carrying out of the foregoing procedures or other procedures that may be substituted therefor, at no time should the lumen of the catheter or needle be exposed to ambient air. Also, during the insertion or removal of a stylet into or 'out of a catheter l5, and during the use or the removal of connectors or caps 12, 17, and 171 is being accomplished, such items should be closed by use of a temporary cover-up thereover as may be required to prevent the intake of ambient air into the system.
Although but a single embodiment of the subclavian vena puncture device of the instant invention has been disclosed and claimed herein, it is obvious that many changes may be made in size, shape, arrangement and detail of the several elements thereof, all without departing from the spirit and scope of the invention as delined by the appended claim.
1. A subclavian vena puncture device comprising a. a straight hollow needle having a beveled lower tip and a syringe removably connected to the upper end thereof,
b. an equal hollow catheter guide tube fixed to one side of the upper central portion of said needle extending angularly upwardly therefrom,
c. a catheter temporarily closed by a metal stylet therein telescoped downwardly neatly through the said catheter guide tube to a position having its lower end disposed just short of the lower end of said catheter guide tube thereby leaving the main portion of the straight hollow needle clear whereby 4 to permit blood to be aspirated from the subclavian vein responsive to partial withdrawal of the piston of the syringe,
d. whereafter the temporarily closed catheter is pushed downwardly from the catheter guide tube into and through the lower portion of said needle and into the subclavian vein of the patient to a distance selected by the surgeon,
. thereafter the stylet is removed from the catheter providing a free passageway therethrough, the free end of the catheter immediately capped, the syringe removed from the upper end of the needle, and the top of said needle removably capped;
. and finally the straight hollow needle is gently renous (l-V) means.
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|Classification aux États-Unis||604/158|