US668879A - Vein-dilator for embalmers' use. - Google Patents

Description

' No. 668,879. Patented Feb.'26, I90l.

W.-L. MILLER.

VEIN BILATOB FOB EMBALMERS USE. (Application filed July 19, 1900. (No Modal.)

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3e it known that I, \VILBER L. MILLER, a length being split or cut with slots, as it 4, to citizen of the Unit-ed States of America, and form spring prongs or points 5. These points a resident of WVashington, county of Wash 5,0f which there are preferably three,are bent ington, and State of Iowa, haveinvented certoward the central axis of the tube 3, so that tain new and useful Improvements in Veintheir outer tips may converge to a single Dilators for Embalmers Use, of which the point. The tube'3, with its spring-points 5 following is a specification. converging to a single point, is shown at the My presentinvention relates to an improveleft in Fig. 1 and presents the appearance of mentin vcin-dilators for the use of embalma small instrument having a single sharp ers, the object of the same being to provide a point which may be introduced into the vein. simple, efficient, and inexpensive device hav- In Fig. 2 I have represented the smaller tube ing many attributes of novelty as an instru- 1 in the act of being introduced into the intement for the use of embalmers in dilating the gral end of the split tube 3-that is to say, veins in such a manner as to admit a catheter; that end of said tube which carries the collar and the invention consequently consists, esor ring 6, which is similar to the collar 2-and seutially, in the construction, combination, it will be noticed that the farther the smaller and arrangement of parts, substantially as tube 1 is pressed into the outer tube 3 the will be hereinafter more fully described and more the spring-points 5 will be separated 7o claimed. from each other or distended with their tips In the accompanying drawings, illustrating farther and farther apart. When the smaller my invention, Figure 1 is a side elevation,'in tube 1 has been forced entirely into the outer partial section, of my improved vein-dilator, tube 3, the inner and outer tube will occupy the two principal parts of the instrument bethe relative positions shown in Fig. 3, where ing shown as dissociated from each other. it will be seen that the handle or collar 2 is Fig. 2 is a similar side elevation showing the against the handle 6, while the points of the tubular portion of the device inserted part spring-prongs 5are separated as farfrom each way into the distensible spring-pointed porother as it is possible to do with the insertion tion. Fig. 3 is a side elevation showing the between them of the small tube 1. 8o tubular partinserted clear into the distensible It will thus be seen that I provide an inpart. strument whereby a vein may be dilated to Similar numerals of reference designate such proportions as to admita catheter which corresponding parts throughout the different is used for the purpose of withdrawing the figures of the drawings. blood, and that my device consists, essen- In carrying my invention into practical eftially, of two metallic tubes -a larger and a fectl employ two principal parts, one of which smaller-the smaller being adapted for inseris a small cylinder or tube having a uniform tion into the larger for distending the springdiameter throughout and the other isa short prongs of the latter. When the points of tube which is split or cut longitudinally for these prongs are together, the small point about two-thirds of its length so as to provide thus formed may be introduced into a vein, three spring-points, the integral tubular porand then by pressing the inner tube into the tion being adapted for insertion into the outer tube the vein will be dilated, so that other in a manner and for a purpose to be the catheter maybe easilyintroduced int-o the presently slated. vein through the opening of the inner tube, 5 1 denotes the partof the device consisting thus enabling the heart to be reached with of an integral tube open at each end and of the catheter without tearing the vein. uniform diameter throughout, there being at Having thus described my invention, what one end a flange or collar 2, which serves as a I claim as new, and desire to secure by Letters handle. The other part of the device consists Patent, is-

UNTTET) STATES PATENT @FFICE.

\VILBER L. MILLER, OFWASHINGTON, IOWA.

VElN-DlLATOR FOR EMBALMERS USE.

SPECIFICATION forming part of Letters Patent No. 668,879, dated February 26, 1901.

Application filed July 19,1900. serial No. 24,163. tNo model.)

To all, whom, it may concern: thereinto,said tube3for abouttwo-thirds of its of a tube 3, of slightly-greater diameter than tube 1, so that it may easily be introduced 1. In a vein-dilator, the combination with a tube formed with converging spring-prongs,

and a tube of smaller diameter adapted to be flanges formed on the outer end of said tubes inserted in the same to distend and hold said to control and manipulate the same. IO points. Signed at Washington, Iowa, this 12th day 2. In a vein-dilator, the combination with of July, 1900. a tube formed with con verging spring-prongs, VVILBER L. MILLER. of a second tube, of smaller diameter adapted Witnesses: to be inserted in the first-mentioned tube to J. W. MORTON, distend and hold said prongs, and rings or A. S. FOLGER.

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