|Publication number||US3019790 A|
|Publication date||Feb 6, 1962|
|Filing date||Jul 15, 1960|
|Priority date||Jul 15, 1960|
|Publication number||US 3019790 A, US 3019790A, US-A-3019790, US3019790 A, US3019790A|
|Inventors||Militana Robert J|
|Original Assignee||Militana Robert J|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (3), Referenced by (65), Classifications (13)|
|External Links: USPTO, USPTO Assignment, Espacenet|
R. J. MILITANA 3,019,790`
COMBINATION HENosTAT AND INTRAVENoUs NEEDLE Feb. 6, 1962 Filed July l5, 19650 INVENTon ROBERT J. M\L.|TANA 3,019,790 1 COMBINATION HEMGSTAT AND INTRAVENODS NEEDLE Robert J. Militaria, 87 NE. 88th St., Miami, Fla. Filed July 15, 1960, Ser. No. 43,184 4 Claims. (Cl. 12S-322) This invention relates generally to surgical instruments and is more particularly directed to such an instrument which automatically positions an intravenous needle in a vein or artery.
In general this invention consists of a scissor type clamp such as a hemostat upon which is mounted a holder for a hypodermic needle, which holder operates in unison with the hemostat so that when the jaws of the hemostat have engaged the walls of the vein to block on" the ow of blood therethrough, the hypodermic needle is simultaneously and automatically thrust forwardly into the vein to permit the ilow of intravenous therein. When the hemostat is manipulated to release the vein of the jaws of the hemostat the hypodermic needle is quickly and gently withdrawn from its position in the vein.
Therefore it is a principal object of the present invention to provide a surgical instrument which permits a hypodermie or intravenous needle to be easily and properly inserted into a vein, artery and the` like.
Another object of the present invention is to provide a scissor-type clamp such as a hemostat with a toggle joint support for an intravenous needle operatively connected thereto, whereby upon the clamping of a vein or artery, the support thrusts the needle forwardly into the vein or artery beyond the position at which the vein is clamped by the instrument.
Another object of the present invention is to provide a scissor-type clamp such as a hemostat with a holder for an intravenous needle mounted thereon whereby Vthe device need not be surgically sterile since the manner of receiving the intravenous needle is such that the needle which must be surgically sterile is not caused to become unsterile.
A still further object of the present invention is to provide a scissor-type surgical clamp with a holder for intravenous needles, lwhich device will receive needles of various sizes in length and cross section.
With these and other objects in view, the invention will be best understood from a consideration of the following detailed description taken in connection with the accompanying drawing forming a part of this specification, with the understanding, however, that the invention is not confined to any strict conformity with the showing of the drawing but may be changed or modiiied so long as such changes or modifications mark no material departure from the salient features of the invention as expressed in the appended claims.
In the drawing:
FIGURE 1 is a perspective view of an intravenous surgical clamp embodying my invention with' a vein illustrated by do-tted lines.
FIGURE 2 is a similar View showing the manner of operation of the device with the hemostat in a closed position.
FIGURES 3 and 4 are detailed cross-sectional views taken along the lines 3-3 and 4 4 respectively, of FIG. l.
FIGURE 5 is a cross sectional view taken along the line 5-5 of FIGURE 3.
FIGURE 6 is a fragmentary perspective view other construction of the hypodermic needle holder capable of receiving needles of various sizes.
FIGURE 7 is a cross sectional View taken along the line 7-7 of FIGURE 6.
p iCC FIGURE 8 is a cross sectional view similar to FIGURE 7 showing a still another construction of the hypoderrnic needle holder.
FIGURE 9 is a fragmentary perspective view of an intestinal clamp embodying my invention.
Referring to the drawing wherein like numerals are used to designate similar parts throughout the several views, the numeral 10 refers generally to my surgical instrument consisting of a scissor-typey clamp commonly known as a hemostat or intravenous clamp having a pair of handle members 11 and 12 with nger receiving members 13 and 14 at one end and opposed facing jaws 15 and 16 at the other end. The handle members 11 and 12 are pivoted together adjacent their jaws 15 and 16 by a pivot pin 17, the handle member 11 being slotted as at 18 to form bifurcated members 19 for receiving a leg member 20 of the handle 12 therebeteen. Secured to the top of the pivot pin 17 is a sleeve 21 for receiving telescopically the body portion of a hypodermic needle 22.
Adjacent the linger engaging members 13 and 14 at their inner portions are a pair of ropposed clamp members 24 and 25 which are adapted to' become interengaged to lock the jaws .15 and 16 in a closed position. This occurs when the handlemembers 11 and 12have been pivoted about the pivot pin 17 in the direction toward each other. Carried by the handle members 11 and 12 are a pair of toggle arms 26 and 27 whose inner ends are pivoted together by the pivot pin 28 and their outer ends pivoted by pivot pins v29 and 30 to the handle members 11 and 12 respectively. On the top portion of the pivot pin 28, there is mounted an open ended bracket 31 provided with a cap 32 pivoted at one side as at 33 for retaining therein the base member 34 of the hypodermic needle 22. The base member 34 which is tapered at both its ends is prevented from sliding within the bracket 32 by the ends of the'bracket which taper likewise and engage the base member 34 at both ends. Attached to the base member 34 is a rubber hose 35 which conducts the llow of blood, plasma, medicinal iluids, etc. fron'ra bottle to the needle 22 and into a vein or artery 35, the latter being indicated by dotted line.
In the normal operation of thefsurgical instrument 10, a person will take the device Itl'by lthe nger engaging members 13 and 14 with one hand and the hypodermic needle 22 at its base portion 34 to which the hose 35 had been attached, all of which had been previously of ansterilized. The operator will insert the needle 22 through the sleeve 2l and slide it Vtherethrough until the base member 34 can be slipped into the bracket 31 and the cap 32 swung to its closed position. Now the handle members 11 and 12 are made to swing in a direction away from each other pivoting about the pivot pin 17 to cause the jaws 15 and 16 to arrive at an open position. Simultaneously with the handle members 11 and 12 moving away from each other, the toggle members 26 and 27 will pivot about the pivot pin 28 and swing from a sideby-side folded position to an open and almost aligned position as shown by FIGURE l. The swinging movement of the toggle members 26 and 27 causes the needle 15 to slide in the sleeve 21 away from ends of the jaW members 15 and 16. Now, the operator will place the jaws 15 and 16 astride the vein or artery 36 with the end of the needle in close proximity to the artery 36. Force is applied by the operators lingers on the finger pieces 13 and 14 to cause the handle members 11 and 12 to pivot about the pivot pin 17 in a direction towards each other. This causesV the jaws 15 and 16 to come toward a closed position, whereby the side walls of the'artery 36 are engaged and squeezed together. Simultaneously therewith, theV toggle members 26 and 27 pivoting about their pivot pins 28, 29 and 30 will swing'toward each other and cause the inner ends of the toggle members 26 and 27 as well asthe pivot pin 28 and bracket 31 to slide in a direction toward the sleeve'21. The base member 31 as Well as the hypodermic needle 22 is made to slide for- Wardly to cause the free end of the needle 22 to slide in the ,direction of the artery 36 which is now being gripped by the jaws and 16.V The hypodermic needle 22 slides suiciently to cause the end of the needle 22 to pierce the upper wall of the artery 36 and move inwardly thereof, a relatively short distance. The clamps 24 and 25 now engage each other to hold the device 11B closed. The device Y1G is now vin position topermit the intravenous medicinal fluids to ow into the artery 36 while the ow of blood in the artery is stopped by the tight gripping action of the jaws 15 and 16. I, When the operator has decided to stop the intravenous flow of iiuid into the artery 36, he again grasps the finger pieces `13 and14, presses them together slightly to release the clamps 24 and 25 and then forces the iinger pieces 13 and 14 in a direction away from each other.y
This causes the jaws 15 and 16 to swing to an open position and release their hold on the artery 36. At the same time, the toggle members 26 and 27 pivot on the pivot pins 29 and 30 to swing the inner ends of the toggle members 26 and 27 which support the bracket 31 and the-needle basel member 34, in a direction away from the sleeve 21. This effects the withdrawal of the hypodermic needle 22 from the artery 36, the instrument 10 -now being ready to be used again after being cleaned and sterilized.
4 In order to increase the versatility 4of the surgical instrument 10 so that hypodermic needles 22 of various sizes may be accommodated by the device 10, there is vshown a modified structure of the needle receiving sleeve 21. In FIGURES 6 and 7 there is shown a cradle 40 having resilient leg portions 41 which are arcuate in shape having outwardly extending lip portions 42 for receiving a needle 21. The remaining structure of the hemostat -10 is identical to thatdescribed hereinabove. Instead of 'sliding `a needle within the rigid sleeve 21 as must be done in the instrument 10 previously described, the hypodermic needle d3 is laid on the lips 42, 42 and forced downwardly, 'the leg portions 41 being resilient will ex outwardly and permit the needle 43 to slip into position. The flexible leg portions 43 will bear slightly on the side wall of the needle 43 yet will permit different sized diametered needles to be accommodated by and 'slide within the cradle 40 when the hemostat '10 is actuated as aforesaid.
Referring now to FIGURE 8 there is shown holder 121 for the hypodermic needle 22 in lieu of the holder 21 previously described, which holder 121 is removable so that holders 121 of different sizes may be used as various sizes of needles are applied to the instrument 111. The remaining structure ofthe instrument 50 is identical in construction with that of the above described surgical instrument 10. The leg members 19, 2t? of the hemostat 10 are pivotally secured by a pivot pin 117 whose upper end is split or bifurcated as at 120 with a peripheral shoulder 118 formed at substantially its mid-portion which in cooperation with a nut 122 threaded on the end of Vthe pivot pin 117 secures the members 19 and 20 together for pivotal movement. The needle holder 121 is provided With a sleeve portion 123 whose inner diameter permits the use of an appropriately sized hypodermic needle 22. Depending from the lower surface of the sleeve 123 is a socket 119 which tits tightly and iirmly over the bifurcated end 126 of the pivot pin 117. The socket 119 which frictionallyengages the bifurcated end 120 can be removed from the pin 117 upon application of an upward force on the sleeve 12.3 whereby the hypodermic needle holder 121 becomes disengaged from the pin 117. If a diiferent sized hypodermic needle 22 is needed, a needle holder 121 having `a sleeve portion 123 that will properly `accommodate the body portion 22 of the desired hypodermic needle is selected and forced in place on the bifurcated end 12d of the pivot pin 117.
In FIGURE 9 there is shown another adaptation of my invention to a conventional surface intravenous clamp 50 having handle portions 53, 54' and jaw portions 51 and 52 terminating in iiat ring portions 55, S5. The clamp 5d is provided with a pivot means as described hereinabove and a hypodermic needle holder 21 mounted thereon. In this instrument Sil any of the holders 4t?, 121 may be used in lieu of the holder 21 though the latter is shown in position in order to explain the operation of the surgical instrument 5t). In the normal use of the surface intravenous clamp 50, the operato-r grasps the vein to be fed intravenously by the flat rings 55 and causes the jaws -51 and 52 to come to a closed position. As is eX- plained above in `connection with the instruments 10, the handles S3, 54 are locked together. Now the operator takes the hypodermic needle'22 and slides it through the holder 21, or whatever other holder might be used, and directs the point of the needle 22 at the vein that is being held by the rings 55. A furtherforward movement of the needle V22 will cause the vein to be pierced and the needle 22 to be in position to permit the ilow of intravenous uids throughthe needle and into the Vein. In this surgical clamp 50, the piercing of the vein by the needle 22 is not done automatically as occurs in the intravenous clamps 10 as described hereinabove. After the vein Vis, grasped by the clamp `50, Vthe operator can use the sleeve 21 for guidance in sliding the needle toward the vein.` The sleeve 21 as well lasrthe instrument 50 operates thereafter as a holder for the needle 22. l n What I claim as new and desire to secure by Letters Patent of the United States is: l
Y 1. A surgical instrument comprising a pair of handle members with jaw members formed integrally with said handle members, pivot means pivotally mounting saidV handle means and said jaw members, needle guide Ameans mounted in proximity of said' pivot means, toggle means pivotally secured to said handle members, needle support means mounted on said toggle means and a hypodermic needle slidably mounted on said needle guide means and extending between said handle members and supported on said needle support means whereby upon the swinging of said jaw members andV said handle members to a closed position said toggle means will cause said needle to slide in said needle `guide in the direction toward the free ends of said jaw members. Y I
2. VA surgical instrument comprising a pair of handle members with jaw members formed integrally with said handle members, pivot means pivotally mounting said handle members and said jaw members, sleeve means mounted on said pivot means, a pair of toggle members, second pivot means securing one end of said toggle members together, Vfurther pivot means pivotally securing the other end of Vsaid. toggle members to said handle members, a needle support bracket mounted on said second toggle pivot means and a hypodermic needle having a body portion and a base portion, said body portion being slidably mounted in said sleeve means and said base portion removably mounted in said support bracket whereby upon the swinging of said handle members and said jaw members to a closed position said hypodermic needle will slide in said sleeve means in the direction toward said jaw members. i p
3. A surgical instrument comp-rising a pair of handle members with jaw members formed integrally with said handle members, pivot means pivotally mounting said handle members and said jaw members, a cradle mounted on said pivot means, a pair of toggle members, second pivot means securing one end of said toggle members together, further pivot means pivotally securing the other end of said toggle members to said handle members, a needle support bracket mounted on said second toggle pivot means and a hypodermic needle having a body portion and a base portion, said body portion being slidably mounted in said cradle and said base portion removably mounted in said support bracket whereby upon the swinging of said handle members and said jaw members to a closed position said hypodermic needle will slide in said cradle in the direction toward said jaw members.
4. A surgical instrument comprising a pair of handle members with jaw members formed integrally with said handle members, pivot means pivotally mounting said handle members and said jaw members, needle receiving means removably mounted on said pivot means, a pair of 10 said second toggle pivot means and a hypodermic needle 15 6 having a body portion and a base portion, said body portion being slidably mounted in said removable needle receiving means and said base portion removably mounted in said support bracket whereby upon: the swinging of said handle members and said jaw members to a closed position said hypodermic needle will slide in said needle receiving means in the direction toward said jaw members.
References Cited in the file of this patent UNITED STATES PATENTS 636,369 Weatherwax- Nov. 7, 1899 2,234,686 Walter Mar. 11, 1941 FOREIGN PATENTS 546,372 Germany Mar. 12, 1932
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|U.S. Classification||606/108, 604/174, 604/93.1, 604/272, 606/205, 604/116|
|International Classification||A61B17/12, A61B17/122, A61M5/32|
|Cooperative Classification||A61B17/122, A61M5/32|
|European Classification||A61B17/122, A61M5/32|