|Publication number||US734498 A|
|Publication date||Jul 28, 1903|
|Filing date||Oct 20, 1902|
|Priority date||Oct 20, 1902|
|Publication number||US 734498 A, US 734498A, US-A-734498, US734498 A, US734498A|
|Inventors||Friedrich Rich Bachler|
|Original Assignee||Friedrich Rich Bachler|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (23), Classifications (2)|
|External Links: USPTO, USPTO Assignment, Espacenet|
No. 734,498. PATENTED JULY 28, 1903, F. R. BAGHLBR.
lAPPLIOATION FILED 00T.2o. 1902.
UNITEDv STATES Patented July 28, 1903.
FRIEDRICH RICH. BACHLER, OF OXNARD, CALIFORNIA.
SPECIFICATION forming' part of Letters Patent N0. 734,498, dated July 28, 1903.
Application filed October 20,1902. Serial No. 127.981. (No model.)
To a/ZZ whom it may concern:
Beit known that LFRIEDRICH RICH. BACH- LER,a subject of the Emperor of Austria-Hungary, residing at Oxnard, in thecounty of Venturaand State of California, haveinvented new and useful Improvements in Di lating Sounds or Bougies, of which the following is a specification.`
My invention is designed for the production of an improved dilating sound or bougie, the object ofthe same being to provide a novel construction of instrument of this kind,
which is adapted to be laterally expanded at one or more points for use in dilating or stretching the urethra for the cure of strictures.
My improved sound consists of a iiexible tube constructed of vulcanized rubber or the like having a smooth unobstructed outer surface and having a bore lof two different diameters, the inner surface of the' tube sur-v rounding that part of the bore of smaller diameter being lined with a suitable inelastic fabric and that portion of the tube which incloses the part of the bore of larger diameter being of highly-flexible rubber, the said tube being provided with means for the introduction of air under pressure to the interior thereof.
The invention also consists of certain features and details of construction and combinations of parts, which will be hereinafter more fully described and claimed.
In the drawings forminga part of this specification, Figure l is a longitudinal section of a sound or bougie constructed in accordance with my invention, showing the same in its normal condition; andFig. 2 is a similar view of the same, showing the elastic portion thereof laterallyexpanded.-
My improved sound or bougie consists of a tube 1,l of vulcanized rubber or other suitable flexible material, having a smooth unobstructed outer surface throughout and provided with screw-threads 2 at one end thereof for the convenient attachment of a rubber bulb 3 for the introduction ofl air under pressure to the interior of said tube. The head 4 of the tube 1 is rounded on its end and the bore of said tube, which extends partially into the head 4, is made of two different diameters,
(indicated,respectively, by the reference-numerals 5 and 6.) That portion of the tube 1 which' surrounds the narrow or contracted part 5 of the bore therethrough is lined with inelastic fabric 7, whereas the portion 8 ofthe tube 1 which surrounds the part 6 of the bore of larger diameter is unlined and is made of elastic rubber. 'Ihe result of this construction is that while the bougie or sound as a whole is flexibleit is inelastic, except at a point between the head 4 and the main body of the tube 1, where it is highly elastic. The thickened walls of the tube, which surround the contracted portion 5 of the central bore therethrough, and the inelastic fabric 7 serve to prevent the stretching or lateral expansion of the tube, whereas the elastic portion 8 of the tube renders the same very expansible from pressure applied from within;
In using my improved sound or bougie the same isintroduced in the usual manner-'into the urethral passage until the elastic portion thereof reaches a point just opposite the stric. ture or other affected part to be treated. The
bulb 3 is then compressed, with the result that air under pressure is forced through the cen.- tral bore orpassage in the tube 1 and serves to expand the elastic portion 8 of said tube. The stricture may thus be dilated without the necessity of using sounds or bougies of different sizes. vThe pressure applied may be readily regulated by the patient himself by an increase or decrease in the compression of the bulb 3, and consequently the pain to which the patient is subjected may be reduced to a minimum.
The tube/1 may be made in different diameters and lengths and may of course be supplied withv internal pressure by ,other means than the bulb 3. I prefer, however, to usea compressible bulb, and accordingly all of the sounds or bougies in a set will be provided with screw-threads 2 of the samesize, so that a single bulb 3 may be applied to any one of the same.
Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is
1. A hollow flexible sound or bougie having a-bore therein of different diameters, the thin portion of said sound surrounding that IOC portion of the bore of larger diameter being elastic, and means for applying internal pneumatic pressure within said sound.
2. A hollow exible sound or bougie having a closed head and a smooth unobstructed exterior surface, and having the bore therein of different diameters, the thin portion of the sound which surrounds the enlarged portion of said bore being elastic and the remaining portion of said sound being inelastic, and means for applying internal pneumatic pressure Within said sound.
3. A hollow flexible sound or bougie having a closed head and a smooth unobstructed exterior surface, and having the bore therein of different diameters, the thin portion of said sound which surrounds the enlarged portion of said bore being elastic, a lining of inelastic fabric for the contracted portion of said bore, and means for applying internal pneumatic pressure within said sound.
4. A hollow flexible sound or bougie having a closed head, a bore of diierent diameters therein and screw-threads upon the end thereof opposite said head, the thin portion of said sound which surrounds the enlarged portion of said bore being elastic, and a rubber bulb having screw-threads thereon adapted to engage the screw-threads on said sound.
In testimony whereof I have hereunto set my hand in presence of two subscribing witmesses.
FRIED. RICH. BACI-ILER. Witnesses:
J. MCPUY WILLIAMS, FRED. BA'UD.
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