US724034A - Hemostatic forceps. - Google Patents

Description

No. 724,034. y l PATENTBD MAR. 3`1., 1903.l W. L. NUT-TALL.

HBMOSTATIC FORGBPS.

APPIIOATIQN FILED SEPT. 10| 1902.

'E0 MODEL.

, Il Imm AJJT:mllllllllll UNITED STATES PATENT OFFICE.

WILLIAM LEGO NUTTALL, OF NEWCASTLE, KENTUCKY.

HEMOSTATIC FORCEPS.

SPECIFICATION forming part of I Letters Patent No. 724,034, dated March 31, 1903. Application filed September 10,1 1902." Serial No. 122,900. (No model.)

To all whom t may concern:

Beit known that I, WILLIAM LEGO NUT- TALL, a citizen of the United States, residing at Newcastle, in the county of Henry and State of Kentucky, have invented a new and useful Hemostatic Forceps, of which the following is a specification.

The invention relates to certain improve- Inents in forceps of that class employed for grasping the end of asevered artery, and has for its principal object to provide an improved construction of forceps whereby the ligature may be readily tied around the end of the artery at a point closeto the jaws of the forceps without danger of including the point of the instrument in the knotted loop.

A still further object of the invention is to so construct the forceps as to provide for the formationV of the rst knot in the ligature and for securely holding the knotted loop on the forceps prior to closing the loop around the end of the artery.

With these and other objects in view the invention consists in the novel construction and arrangement of parts hereinafter described, illustrated in the accompanying drawings,and particularly pointed out in the appended claims, it being understood that various changes in the form, proportions, size, and minor details of the structure may be made without departing from the spirit or sacricing any of the advantages of the invention.

In the accompanying drawings, Figure l is a perspective view of a pair of hemostatic forceps constructed in accordance with the invention. Fig. 2 is a side view of the same, showing the manner in which the first knot may be formed in the ligature and held in readiness for application to the artery. Fig. 3 is a view similar to Fig. 2, showing the manner in which the knotted loop is forced from the beak of the forceps to the artery.

Similar numerals of reference are employed to indicate corresponding parts throughout the several figures of the drawings.

The two jaws 1 and 2 ot' the forceps are of similar construction, pivotally connected at 3, and provided with any suitable form of handle for convenience in closing the jaws of the forceps on the end of the artery. The artery-engaging surfaces are preferably serrated in the usual manner, as indicated at 4,

in order that they may freely engage with the artery, and at a point to the rear of each of the serrated surfaces both jaws are recessed, as indicated at 5, invorder to weaken the jaws and permit the heel or rear end of each jaw to spring down when pressure is applied at the points of the jaws. The recessing further reduces the weight of theinstrument and permits the better engagement of the jaws with the artery.

Thebeak of the forceps is preferably some'- what shorter than usual and much thicke'r in order to form a rounded or inclined end, with which the knotted securing-loop engages, and when tension is applied to the knot the looped ligature will be forced over the end of the beak, slipping off the instrument and securing the artery without risk of including the point of the instrument in the loop. On the outer surface of each jaw'is aforwardly-extending beard 6, so arranged as to permit of the formation of a knotted loop around theforceps in the manner shown in Fig. 2 and permitting of the tightening of the loop to an extent sufiicient to prevent the ligature from becoming tangled or twisted upon itself while taking the first knot, which is the most difficult in operations of this character.

In using the forceps the artery is engaged and clamped between the jaws in the usual manner, any suitable means being employed,

and the ends of the jaws closed on the artery.

The ligature is then looped around the lower beard and the upper portion of the forceps, as indicated in Fig. 2, the knot being drawn sufficiently tight to prevent twisting of the ligature. The knotted loop is then lifted over the upper beard and tension is applied to force the loop down over the inclined beak into engagement with the artery, the beak being sufficiently large and inclined or rounded in such manner as to avoid the possibility of including the point of theinstrument in the knotted loop. A

Having thus described myinvention, what I claim isl. A pair of hemostatic forcepsy comprising a pair of pivotally-connected jaws each having a rounded and inclined face to permit of the forcing of a knotted ligature from the forceps into engagement with an artery, and oppositely-disposed loop-engaging beards form IOO with a rounded beak and with forwardly-tafurther provided with a member having a reL cessed front face and a curved rear face, the latter being disposed at a point in advance of the reduced portion of the jaw adjacent to I the pivot.

ing a part of said jaws, each beard having a recessed front face and a curved rear face, the latter being disposed at a point in advance of the reduced portion of the jaws adjacent to the pivot.

2. A pair of hemostatic forceps, comprising a pair of pivotally-connected jaws having gripping-surfaces, each jaw being provided my own I have hereto aiiixed my signature in the presence of two Witnesses.

WILLIAM LEGO NUTTALL. Witnesses:

OWEN CARROLL, GRIFFIN KELLY.

pering side faces to permit the forcing of a knotted ligature from said jaws into engagement with an artery, each of the jaws being In testimony that I claim the foregoing as Y

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