US2053753A - Surgical traction frame - Google Patents

Description

Sept. 8, 1936;

F. O. WELLINGTON SURGICAL TRACT ION FRAME Filed May 22, 1955 5 Sheets-Shet 2 awuentoz 5Q WELL/NGTOA/ Sept. 8, 1936. O WELLlNGTON 4 2,053,753

SURGICAL TRACTION FRAME Filed May 22, 1935 3 Sheets-Sheet 3 Patented Sept. 8, 1936 UNETED STATES PATENT orries 1 Claim.

The invention relates to a new and improved surgical apparatus for use in the reduction and treatment of fractures, the nature of the invention being similar to the so-called Balkan frame.

It has for years been the practice of surgeons in treating fractures to erect a frame structure of wood over the patients bed, from which to suspend the required sheave blocks for pull lines leading from the fractured. member or members to the weight or weights for extension and tension. These improvised rigs have been unsatisfactory due largely to the difiiculty of properly locating and maintaining the desired points of suspension for the blocks.

My invention aims to provide a new and improved surgical traction apparatus in; which this difiiculty is overcome, and with this object in view, the invention resides in the novel subject matter hereinafter described and claimed, description being accomplished by reference to the accompanying drawings.

Figures 1 and 2 are perspective views showing the general relation of parts.

Figure 3 is a perspective view of one of the turntables El and associated structural features.

Figure 4 is a vertical sectional view through the turntable and associated elements shown in Fig. 3.

A preferred construction has been illustrated and will be rather specifically described, with the understanding however, that within the scope of the invention as claimed, variations may be made.

The entire frame structure which is adjustable to fit beds of different lengths and widths, is constructed from metal tubing or other appropriate metal frame members, and metal clamping means for securing the frame members together. I prefer to use transversely square tubing for all of the posts, rails, sheave-supporting arms, etc., and clamping means employed in connection with these parts are of such construction as to engage all four sides thereof to insure tenacious holding.

I provide four corner posts 29 for disposition at the four corners of the usual hospital bed B, said posts being of a height to project to the desired distance above the bed. These posts are provided with supporting casters 2| and with inwardly projecting brackets 22 upon which to rest the usual corner posts 23 of the bed B. Preferably each bracket 22 is of shelf-like form and is integral with a square frame 24, said frame surrounding the lower end of its respecthe upper ends of the corner posts 20 to hold said ends in fixed relation with the bed. The rails 28 may well support any desired number of suspension rails, for instance, one rail 3! for a sheave block 32 and another rail 33 for a trapeze 34, each of these suspension rails being adjustably secured to the rails 28 by novel clamps 35.

sheave-supporting arms 36 are adjustably carried by turntables 31 and clamps 38 are provided for connecting any desired number of these tm'ntables with the corner posts 29. In the present showing, one of the arms 36 carries a twin sheave block 39 and another carries a single sheave block 40, both blocks being adjustably connected with the arms as hereinafter explained.

Elongated clamps 4| are provided, the ends of these clamps being adapted to engage and hold pull straps 42 for horizontally pulling a patients injured limb or limbs. Connected with one of the clamps 4|, centrally between the ends of said clamps, is a pull cable 43 which is trained over the pulley 40 and is connected with a weight holder 44 carrying one or more weights 45. Connected to another of the clamps 4!, is a sheave block 46 which is pivoted to said clamp as shown at 41.

A clamp 48 has been illustrated to engage the ends of a sling 49, or possibly pull straps. One end of a pull cable 50 is connected with the clamp 48 by a bridle or the like 5 i. This cable passes upwardly and over the sheave of the block 32, extends downwardly and around the upper sheave of the twin block 39, extends horizontally and around the sheave of the block 45, extends again horizontally and over the lower sheave of the block 39. extends downwardly from the latter and is connected with a weight holder 44' wh ch is identical with the holder 44, said holder 44 being provided with any desired number of weights For supporting the sheave block 32, a suitable contractable collar 19 is adjustably carried by the suspension rail 3|, being provided with a thumb nut 80 and associated stud for contracting it and.

holding it in adjusted position. Collar 19 is provided with an eye 8| for suspending the sheave 32, said eye being preferably swiveled.

Two suitable collars 82 may surround the suspension rail 33 to support the trapeze 34.

The clamp 38 which mounts the turntable 3'! upon the corner post 29, is preferably of the construction shown more clearly in Figs. 3 and 4, being provided with wing nuts 83 for applying and releasing it. This clamp, in the present showing is rigid with a transversely split ring 8 1 which surrounds the turntable 3'! and may be contracted to non-rotatably hold said turntable, by means of a suitable clamping screw 85. The turntable preferably comprises top and bottom plates 86 and 81, and a cylindrical side Wall 88, the parts 86 and 89 being preferably integral with each other. Both plates 86 and 81 engage the edges of the ring 84 to prevent vertical movement of the turntable with respect to said ring 84.

The top plate 89 is provided with two channelshaped seats 39 for the arm 36 and is formed with an opening 99 between said seats. A clamping yoke 9i surrounds the arm 36 between the seats 89 and is provided with a shank 92 which passes downwardly through the opening and through an opening in the bottom plate 81, being provided at its lower end with a thumb nut 93. After sliding of the arm 36 to the desired position, it may be held in said position by tightening the nut 93. After swinging the arm 36 to any desired advantageous position, it may be held by tightening the screw 85. Thus, the sheave 39 or 49 or any other accessory or the like carried by the arm 36 may be adjusted to the most advantageous position.

For connecting the sheave 49 with the arm 36, a collar 79' identical with the collar 19 may well be employed. For connecting the double sheave block 39 with the arm, acontractable collar 94 and aclevis 95 are employed, said clevis being pivoted on a vertical axis 96 to said collar 94 and being pivoted on a horizontal axis 91 to the central portion of the sheave block 39. This connection between the sheave block and the collar permits any requisite movement of said sheave block without throwing the pull cable 58 out of proper relation therewith.

It will be seen from the foregoing that novel provision has been made for attaining the desired end. While a preferred construction has been illustrated, attention is again invited to the possibility of making numerous variations within the scope of the invention as claimed.

I claim:

In a surgical traction frame, a split ring having a post-engaging clamp projecting horizontally therefrom for rigidly supporting the ring, a turntable comprising a side wall surrounded by said ring, a top plate integral with said side wall and lying upon the upper edge of said ring, and a bottom plate separate from said side wall and lying against the lower edge of said ring, said top and bottom plates each having a central opening, said top plate being provided with two upwardly facing seats at opposite sides of its central opening, an arm lying upon said seats, a bolt passing through the central openings of said top and bottom plates and having an eye surrounding said arm, a nut threaded upon the lower end of said bolt and abutting said bottom plate to hold said top and bottom plates engaged with the edges of said split ring and to hold said arm engaged with said seats, and means for contracting said split ring to hold the turntable normally against rotation.

FRANK O. WELLINGTON.

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