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Publication numberUS1385346 A
Publication typeGrant
Publication dateJul 19, 1921
Filing dateJun 27, 1919
Priority dateJun 27, 1919
Publication numberUS 1385346 A, US 1385346A, US-A-1385346, US1385346 A, US1385346A
InventorsTaylor Walter Herbert
Original AssigneeTaylor Walter Herbert
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Surgical wound-dam
US 1385346 A
Abstract  available in
Images(1)
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Claims  available in
Description  (OCR text may contain errors)

W. H. TAYLOR.

- SURGICAL WOUND DAM.

' APPLICATION man JUNE 21.1919.

1,385,346. Patented July 19, 1921.

WALTER HERBERT TAYLOR, OF GUELPI-I, ONTARIO, CANADA;

SURGICAL WOUND-DAM.

Application filed June 27, 1919.

To all whom it nmy concern Be it known that I, WALTER HERBERT TAY- Lon, of the city of Guelph, in the county of Wellington, Province of Ontario, Canada, have invented certain new and useful Im provements in Surgical WVound-Dams, of which the following is a specification.

This invention relates to surgical wound dams of the kind comprising an open hollow chamber constituted by a flexible annular wall adapted to which inflow and outflow tubes are connected.

It is the principal object of the present invention to provide a simple and inexpensive constructional form of deviceof this kind which will always insure a fluid tight contact with the skin without undue pressure thereon despite the disturbing influence of variations in pressure, the effects of muscular action and changes of the patients position, and differences in the curvature of surfaces to which the device is to be applied. This object is attained mainly by the improved construction of the flexible annular wall of the dam and its connection with the cover as hereinafter more particularly described.

I attain my object by means of the constructions hereinafter described and illustrated in the accompanying drawings in which- Figure 1 is a side elevation of my improved surgical wound dam:

Fig. 2 a vertical section of the same; and

Fig. 3 a section on the line 3-3 in Fig. 1.

In the drawings like letters of reference indicate corresponding parts in the different figures.

The device in the main, it will be seen, comprises an annular wall adapted for contact with the skin and provided with a cover. In its preferred construction, this annular wall comprises a ring A and a depending wall L, preferably outwardly flared and tapered from its upper to its lower edge. \Vith the lower edge of this wall is connected the inwardly and downwardly directed annular flange S, also preferably tapered from its point of connection with the wall L to its lower edge. The cover C is preferably provided with a more or less well defined annular wall W which is connected with the de ending wall L below the upper edge of the latter so that the cover forms both an Specification of Letters Patent.

form a fluid-tight contact with the patients skin and a cover to Patented July 19, 1921. Serial No. 307,248.

external chamber E and an internal chamber Wl'llCh will become filled with fluid in the operation of the apparatus.

VVIth the cover are connected the inflow tube I and the outflow tube 0. Means must be provided to permit of the free passage of fluid through the wall L from one side to the other when the device is tightly bandaged down on a limb. For this purpose I form pasageways in said wall, preferably by means of the radial grooves D formed in the upper edge of the wall.

he operation of the device is substantially as follows. The device is annlied to the skin with the annular wall surrounding the wound and is pressed down and held against the skin by means of a bandage, so that the annular flange S .is pressed against the skin. The shape and arrangement of the wall L tends to stretch outwardly the upper part of the annular flange permitting its inner edge to accommodate itself to the contours of the skin around the wound without buckling, enabling it to maintain perfect contact with the skin. W'ater pressure within the chamber resting on the flange S tends to hold the latter in fluid-tight con tact with the skin. The presence of the external water chamber E equalizcs the fluid pressure introduced within the dam so that the fluid pressure will cause no disturbance in any way of the seal.

at I claim as my invention is 1. A surgical wound dam formed of flexible rubber and comprising a ring; a wall depending from the ring; an inwardly and downwardly directed annular flange formed at the lower edge of the closing the top of the chamber within the ring and wall.

2. A surgical wound dam constructed as set forth in claim 1 in which the depending wall is outwardly flared.

3. .A surgical wound dam constructed as set forth in claim 1 in which the cover is connected to the wall below the upper edge of the latter.

4. A surgical wound dam constructed as set forth in claim 1 in which the cover is connected to the wall adjacent the lower edge of the latter and passages are formed in the wall to permit of the fluid pressure in the device being equalized at the opposite sides of the wall.

5. A surgical wound dam constructed as set forth in claim 1 in which. the depending wall; and a cover wall is outwardly flared and both the wall and flange are tapered from their upper to their lower edges.

6. A surgical wound dam formed of flexible rubber and comprising a depending outwardly flared wall; an inwardly and downwardly directed annular flange formed at the lower edge of the wall; and a cover closing the top of the chamber within the ring and wall.

7. A surgical wound dani formed of flexible rubber and comprising a ring; an inwardly and downwardly directed annular flange; outwardly inclined means connecting the ring and flange adapted to impart pressure applied to the upper surface of the ring to the connected edge of the flange; and a cover closing the top of the chamber within the ring and wall.

8. A surgical wound dam formed of flexible rubber comprising an annular wall; an annular engaging flange at the lower edge of the wall; and a cover connected to the wall below the upper edge of the latter and closing the top of the chamber within the wall. 7

9. A surgical wound dam constructed as set forth in claim 8 in which radial grooves are formed in the upper part of the wall to permit of the fluid pressure in the device being equalized at opposite sides of the wall.

10. A surgical wound dain constructed as set forth in claim (3 in which the flange is tapered from its upper to its lower edge.

11. A surgical wound dam formed of flexible rubber and comprising :1 depending downwardly tapered wall; an inwardly and downwardly directed annular flange formed at the lower edge of the wall; and a cover closing the top of the chamber within the ring and wall.

12. A surgical wound dain constructed as set forth in claim 8 in which the annular wall is downwardly and outwardly flared.

13. A surgical wound dam constructed as set forth in claim 8 in which the annular wall is downwardly and outwardly flared and the flange inwardly and downwardly directed.

lVALTER HERBERT TAYLOR.

\Vitnesses v HENRY SMITH,

MARY E. SMITH.

Referenced by
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Classifications
U.S. Classification604/305
International ClassificationA61F13/00
Cooperative ClassificationA61F2013/0017, A61F2013/00165, A61F2013/00412, A61F13/00068
European ClassificationA61F13/00