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Publication numberUS2603217 A
Publication typeGrant
Publication dateJul 15, 1952
Filing dateNov 22, 1949
Publication numberUS 2603217 A, US 2603217A, US-A-2603217, US2603217 A, US2603217A
InventorsRobert C.mcshirley
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US 2603217 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)


RoberTC/WJ/u'r/ey HTTORNE).

Patented July 15, 1952 umrsa srA-rss: PAT ENT o EFIiCLE.

TIP. FOR. COLON ZTHERAIEYI APP-LIA}((313155.. Robert O; McShirley, Glendale, Calif- Application NovemberZZ, 1949; Seriall'No. 128,877

2"Claims. I

This 'invention relates to means for colon.

therapy, .such as. the administration of enemas.

an'dicolon irrigation. and particularly to an improvedtipfor the introduction. of the instrumentality by which" such treatments are applied.

Heretofore; it' has been necessary to 'form' applicators for. colon .irrigationwith tapered ends to *facilitate'insertion into the colon-of the patient notwithstanding'thefact that, onceinserted. a large receiving orificedisposed directly at theend ofthe-applicator is desirable and the necessity of providing a taperedentrant end has heretofore prevented'the realization of'this most desirable form *ofapplicator. Various expedients have beenproposed among'which are the use of tapered" end plugs which-are manually movedaway from' the receiving iorifice of the applicator but which either continue to'partly obstruct the free *reception of-material or-mustbe completely removed from the applicator'before the water "is applied thereto: Anotherformof applicator employs'a bar-like member extending across the applicator openinginadvance'thereof, but this leaves a laterally; disposed;- opening intowhich" colonic growths such-=as-hemorrhoids or polyps can enter preventing further movement of theapplicator in'either-directionwithout at least-discomfortandpossible-trauma.

Also in the -administration of enemas -there--is alwaysdangerthat the --blunt ended tubes may engage colonic growths and either causediscomfort or trauma or that the small tubing-ordinarily-em-ployed will become clogged during introduction.

Withthe-foregoing considerations in mind, it

is -an' object of theinvention to provide a water soluble-tip for instrumentalities tobe introduced in the' colon of 1 a patient --whichwill permit safe andleasy'insertiomand-.Iwhich' is quickly dissolved by thewater-used for treatment.

Another object of the invention is toprovide a' water soluble-pointed tip for use with a=blunt ended applicator for colon irrigation whichtip after being-l dissolved renders the end of ithe" applicator open for reception-of matter to be evacuated.

A further object of the invention is to provide a water soluble tip for a tube such as is used for administering enemas which is so constructed and:arranged as to facilitate the safe introduc tion of the tube and which operates-'toprevent clogging of the tube. during. insertion.

A still further object of the invention is to provide'asoluble tip for colon irrigation appli acts tol-cause a breaking-away of "a portiorr ofthe tiprenderingthe end of the instrumentalityopen for receptionyof matter before the complete dissolution of the tip;

Withth'e'above objects in view; together with such other objects and advantages as mayisubsequently appear, the invention resides in the'prowvision of "a pointedtip means formed ofa nor.- mally; relatively rigid," water'soluble material; which tip may be'mounted on the distal end; of a syringenozzle, an-enema tube, or an appll cater for colon irrigation, .certain formsithereof. being described by way of example in the following' specification, reference beinghad to the accompanying; drawings forming ":a. part. of "said specification. and in which:

lis'a side elevation of "one mode "ofexecuiti'on' of-the invention showing a representative forrrrof soluble. tip adapted for usewith' an ap-'-. plicator for 'colonirrigation treatments,

Figs:2 and 3 are left and right hand end views; respectively; of Figrl,

Figs; -and 5are side 'and" end-elevations, ree.

spectively," of 'the distal .endiof a colon irrigator withwvhicha*tiptsuclnas shown in Figs. 1; 2=and...

3 may beusedf Fig. 6-is a greatlyenlarged side elevationypartly in" section; showing-"the: tip" and i irrigator of the preceding figures assembled for use,

Fig; 7 isra transverse; sectional view taken the "line, "l"'i ofFig: 6f, 7

Fig.3 8 is'a siderelevationiof 'a modified form ofthefinvention;

Fig:9"is-a -transverse; sectional view takenon the line .99 "of'Figz ili Fig. 10 isiai'si-de elevation of a second modified" form 'of the inventionadapted 'for use *with an enema tube; and

Fig: 1-1 is.anienlargedsideelevation: partly 'ln medialsection' of the'form-of the inventionshown in Fi'grlOiand including the mountingthereof on an'enematub'e; I

Referring to the drawings, the invention com prises a1cylindrical tipiormcdof arnormally relatively* rigidfwater soluble material, such" as gelatineyandcomprising'a'sleeve portion l adapted"to-be"slippedover the distal endofwblunt ended colorr'irrigator' 3 and having" a shoulder portionl-adaptedto engage the end of the-irri' gator as -best shown in-F-i'g. '6; Beyond 'theshoulder portion 4, the' tip gradually tapers to a point Shaving anaxial opening 6-therein bordered by the inturned-" end edge 'l of the tip material and the-tapered tip portion'adj acent the shoulder por tion 4 is =provi ded with a=circumferential series 0f holes B Theapplicator-"is preferably formed of thin"- wall metal tubing" and "the -dista1 end-thereof partly" obstructed-byaseries of tongues 9 ex'- tending *part way-across thetube opening-and" which ton'gues operate'to break up discharged matter prior-to entry thereof into theapplica plicator ends may be employed and the illustrated form is merely an example of one which is both economical to manufacture and readily cleaned and sterilized.

Referring now to Figs. 8 and 9, there is shown a. modified form of the invention which is generally like the first described form but in which the surface of the pointed entrant end I is provided with a greater number of openings II to promote the quick dissolution of the tip. Preferably, these openings are very small and'the outer edges thereof are rounded to prevent irritation of colonic growths such as polypi or hemorrhoids.

Figs- 10 and 11 illustrate an adaptation of the invention to enema tubes comprising a soluble tip having a cylindrical tube engaging end l2 adapted to be slipped on to the end of a small rubber tube such as is employed in giving enemas; said cylindrical portion at the end thereof adjacent the pointed portion of the tip terminating in a shoulder l2 engaging the end of the tube and thus relieving the sleeve portion 12 from the necessity of resisting end thrust incident to introduction of the tip and tube into a body opening and the end of the tip terminating in a pointed end I3 which may or may not be provided with openings I4 for the escape of water to promote the breakdown of the tip.

In general the enema tubes heretofore used are of two general types, i. e., those having an axial discharge opening in a relatively blunt end and those having a somewhat flattened end with a transverse opening therein which communicates with the interior of the tube. The use of either of these types is somewhat hazardous due to the possibility of trauma as has already been mentioned and the use of the first described type is complicated by the possibility of becoming clogged incident to insertion with the attendant necessity of removing and cleaning of the tube end. It is particularly to be noted that in all illustrated forms of the invention, the sleeve portion which surrounds the end of the instrumentality is not subject to end thrust incident to introduction of the tip and instrumentality into a body opening and hence may be made very thin. The end thrust is resisted by the shoulder portion which is located at the end of the sleeve portion adjacent the pointed portion of the tip and by said pointed portion of the tip; the latter by reason of its form being better able to thus resist thrust and thus the pointed end may also be made with a minimum wall thickness.

,All of these dangers and annoyances are overcome by the use of the water-soluble tip and while one or more openings in the side wall are desirable to effect the quick breakdown of the tip point, in some instances it may be desirable to employ a tip element Without such openings and in which the initial flow of fluid occurs between the adjacent sides of the tube and the tube engaging portion of the tip element. This may be accomplished in either of two ways. First, sufi'icient differences in the diameters of the tube and the tube engaging portion of the tip may be provided, such clearance being on the order of a few thousandths of an inch. Second, the exterior of the tip engaging portion of the tube or the interior face of the tube engaging portion of the tip may be given a corrugated or other non circular periphery to provide clearance space for the fiow of fluid therebetween with resultant breakdown of the 4 tube engaging portion of the tip to release the direct flow of fluid from the end of the tube. It will be realized, of course, that the above principles of construction and use of the invention may as well be applied to tips used with colon irrigation applicators.

The use of the invention is believed to be apparent. A dry tip is placed on the end of a tube or applicator, is moistened and is introduced into the body of the patient, the action of the contacting fluid on the outer surface of the tip acting to produce a lubricated surface and facilitating introduction. When the tube or applicator is properly positioned, a flow of water is started and during the first few seconds of use the water breaks down the tip leaving the irrigator ready for reception of evacuated matter gators having the most desirable form of distal orifice without danger of trauma or of discomfort to the patient and makes unnecessary the complicated constructions of applicators heretofore proposed and which have failed to achieve the optimum results with respect to safety in use, in ease of reception of material to be evacuated and in ease of introduction. Applied to enema tubes, the water soluble tip prevents clogging and contamination of the tube and provides a smooth pointed end therefor, which permits safe introduction of the tube.

While, by way of example, I have described and illustrated certain specific forms of my invention in the foregoing specification, it is realized that may other variations and modifications of the inventoin will suggest themselves to those skilled in the art and therefore, the invention is intended to embrace not only the illustrated forms thereof, but also, all such changes and modifications in form and material as shall come within the purview of the appende claims.

I claim:

1.As an article of manufacture, a normally rigid tip element formed of water soluble material and comprising a sleeve portion providing a receiving socket for the distal end of an open ended instrumentality for introducing a flow of fluid through a body opening of a person, a pointed distal end portion projecting beyond the distal end of the instrumentality, and an internal shoulder portion intermediate the ends of said tip effective to engage the distal end of the instrumentality.

2. A tip element as claimed in claim 1 in which the pointed end portion is perforated.


REFERENCES CITED The following references are of record in the file of this patent:

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US362778 *May 10, 1887 Instrument for treating piles
US688688 *Aug 3, 1901Dec 10, 1901Tullar CompanySyringe.
US801924 *Dec 16, 1904Oct 17, 1905Sylvester B ShileySyringe-nozzle.
US871474 *Jan 21, 1907Nov 19, 1907William Thomas BucknerSyringe.
US944136 *May 26, 1909Dec 21, 1909William HerschlayVaginal syringe.
US1763079 *Nov 14, 1928Jun 10, 1930Zacsek StefanUrethral syringe
US1853202 *Nov 25, 1930Apr 12, 1932Catlin De Forest BInternal irrigator
US2484290 *Jul 20, 1945Oct 11, 1949Handel Stanley TDevice for feminine hygiene
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2691373 *Nov 15, 1951Oct 12, 1954Bried Julien AColon flushing nozzle with dissolvable tip
US2825332 *Aug 20, 1954Mar 4, 1958Howard Johnson ElectrostaticsHypodermic syringe with magnetically actuated piston and needle
US3736939 *Jan 7, 1972Jun 5, 1973Kendall & CoBalloon catheter with soluble tip
US4249535 *Feb 2, 1979Feb 10, 1981Hargest Thomas S IiiGastric feeding device
US4650470 *Apr 3, 1985Mar 17, 1987Harry EpsteinPortable water-jet system
US4692152 *Mar 15, 1985Sep 8, 1987Fresnius AgMedical tube
US4698056 *Mar 21, 1986Oct 6, 1987Medi-Tech, Inc.Enteric feeding device
US4834725 *Mar 10, 1987May 30, 1989Pfrimmer-Viggo Gmbh & Co.Catheter for percutaneous gastrostomy
US4936835 *Dec 23, 1988Jun 26, 1990Haaga John RMedical needle with bioabsorbable tip
US4976704 *Jul 17, 1989Dec 11, 1990Mclees Donald JMoisture disabled needle
US5080655 *Apr 26, 1990Jan 14, 1992Haaga John RMedical biopsy needle
US5195988 *Nov 4, 1991Mar 23, 1993Haaga John RMedical needle with removable sheath
US5254105 *Jun 10, 1992Oct 19, 1993Haaga John RSheath for wound closure caused by a medical tubular device
US5330445 *Jul 1, 1993Jul 19, 1994Haaga John RSheath for wound closure caused by a medical tubular device
US5431639 *Aug 12, 1993Jul 11, 1995Boston Scientific CorporationTreating wounds caused by medical procedures
US5447502 *Mar 28, 1994Sep 5, 1995Haaga; John R.Sheath for wound closure caused by a medical tubular device
US5477862 *Mar 14, 1994Dec 26, 1995Haaga; John R.Cutting tip for biopsy needle
US5573518 *Apr 3, 1995Nov 12, 1996Haaga; John R.Sheath for wound closure caused by a medical tubular device
US6332877 *May 12, 1998Dec 25, 2001Novartis AgOstomy tube placement tip
US6419868Mar 17, 2000Jul 16, 2002Cardiac Pacemakers, Inc.Removable cap for tissue-insertable connections
US6473633 *Jul 29, 1999Oct 29, 2002Cardiac Pacemakers, Inc.Removable cap for tissue-insertable connections
US6939328 *Feb 26, 2003Sep 6, 2005Medical Components, Inc.Dissolvable subcutaneous catheter cover
US7089046Jul 2, 2002Aug 8, 2006Cardiac Pacemakers, Inc.Removable cap for tissue-insertable connections
US8496634 *Jul 13, 2010Jul 30, 2013Mayo Foundation For Medical Education And ResearchColonic lavage catheter
US20020165442 *Jul 2, 2002Nov 7, 2002Cardiac Pacemakers, Inc.Removable cap for tissue-insertable connections
US20030163145 *Feb 26, 2003Aug 28, 2003Raulerson J. DanielDissolvable subcutaneous catheter cover
US20100312186 *Jun 9, 2010Dec 9, 2010Vascular Technology Inc.Soft tissue dissector
US20110034865 *Jul 13, 2010Feb 10, 2011Mayo Foundation For Medical Education And ResearchColonic Lavage Catheter
WO1993025255A2 *Jun 4, 1993Dec 23, 1993Haaga John RSheath for wound closure caused by a medical tubular device
WO1993025255A3 *Jun 4, 1993Feb 17, 1994John R HaagaSheath for wound closure caused by a medical tubular device
WO2003072182A1 *Feb 26, 2003Sep 4, 2003Raulerson J DanielDissolvable subcutaneous catheter cover
U.S. Classification604/265, 604/275
International ClassificationA61M31/00, A61M25/00
Cooperative ClassificationA61M25/0069, A61M25/0074, A61M31/00, A61M25/0068
European ClassificationA61M25/00T20, A61M25/00T10, A61M31/00