US3428046A - Catheter - Google Patents
Catheter Download PDFInfo
- Publication number
- US3428046A US3428046A US446124A US3428046DA US3428046A US 3428046 A US3428046 A US 3428046A US 446124 A US446124 A US 446124A US 3428046D A US3428046D A US 3428046DA US 3428046 A US3428046 A US 3428046A
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- United States
- Prior art keywords
- catheter
- tube
- urethra
- shirred
- fluid
- Prior art date
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/04—Macromolecular materials
- A61L29/043—Polysaccharides
Definitions
- the present catheter or cannula is fashioned in the form of a thin-walled tube having openings at both ends.
- This tube is not sufficiently rigid, by itself, for introduction into the urethra or other body orifice or cavity.
- the opening or openings in the distal or leading end or end portion of my catheter are closed by the application of a urine (or other body fluid) soluble sealing material (such as methyl cellulose or polyvinyl alcohol) and the catheter is then rigidified by being filled, through its open proximal or trailing end, with a fluid under pressure, for instance, carbon dioxide or air or a concentrated solution of salt in water at body temperature in which salt solution the sealing material is insoluble.
- a urine (or other body fluid) soluble sealing material such as methyl cellulose or polyvinyl alcohol
- the catheter or cannula When so filled with fluid under pressure, the catheter or cannula is rendered sufliciently rigid for introduction into the urethra or other body cavity but will still yield or change its configuration to conform with the shape of the urethra or other body cavity.
- the rigidifying fluid After the catheter has been introduced into the urethra or other body cavity, the rigidifying fluid is vented or permitted to drain out through the trailing catheter end.
- the soluble sealing material will dissolve to permit free outflow of urine or other body fluid through the catheter, and also to permit introduction into the bladder or other body cavity of therapeutic liquids or gases.
- the preferred material of construction of our catheter is a natural or synthetic plastic or resinous material which is hydrophilic or easily wetted with water. For best results. this material is made self-lubricating by incorporating therewith a finely divided solid lubricant such as molybdenum disuliide, or graphite, or tungsten disulfide, or molybdenum selenide, or titanium disulfide. Suoh materials greatly facilitate the displacement of our catheter over a mucous surface.
- Examples of preferred materials of construction are cellulose acetate, cellulose acetate butyrate, nylon, ethyl cellulose and, specifically, regenerated cellulose or viscose.
- Cellulose acetate or acetate butyrate may be treated as disclosed in US. Patent No. 2,774,679 to make it more hydrophilic.
- 'Dhe catheter may be formed by extrusion into tubular form, cutting the extruded tube into suitable lengths, and forming the desired aperture in the leading end of the tube, or the catheter may be molded or formed upon a suitable mandrel. After being formed, the catheter may be shirred, to reduce the apparent length of the tube to about whereby the storage space is reduced.
- the catheter is easily heat sterilized. It may also be sterilized by exposure to sterilizing agents such as gamma rays, ethylene oxide gas, solutions of mercuric chloride, and the like. Or the catheter may be permanently sterilized by having incorporated therewith antiseptic dye-stuffs (which may be substantive to the material of construction), antiseptic quaternary compounds (if desired, of the type used as textile softening agents), phenyl mercuric chloride or acetate and many other antiseptic compositions.
- sterilizing agents such as gamma rays, ethylene oxide gas, solutions of mercuric chloride, and the like.
- the catheter may be permanently sterilized by having incorporated therewith antiseptic dye-stuffs (which may be substantive to the material of construction), antiseptic quaternary compounds (if desired, of the type used as textile softening agents), phenyl mercuric chloride or acetate and many other antiseptic compositions.
- FIG. 1 is a sideview of a catheter threaded over a syringe having a rubber bulb, the catheter being shown in longitudinal section;
- FIG. 2 is a cross sectional view taken along the line 22 of FIG. 1;
- FIG. 3 is a view similar to FIG. 1 but showing a catheter of different construction
- FIG. 4 is a cross sectional view taken along the line 44 of FIG. 3;
- FIG. 5 is a view similar to that of FIG. 4 but showing a catheter of different construction
- FIG. 6 is a view similar to that of FIG. 5 but showing a catheter of still different construction
- FIG. 7 is a longitudinal cross sectional view of the catheter of FIG. 6;
- FIG. 8 is a view similar to that of FIG. 6 but showing a catheter of still different construction
- FIG. 9 is a longitudinal cross sectional view of the catheter of FIG. 8;
- FIG. 10 is a longitudinal cross sectional view showing the molding on a mandrel (shown in elevation) of the catheter of FIGS. 1 and 2;
- FIG. 11 is a view similar to FIG. 10 showing the molded catheter in shirred form.
- FIG. 12 is a cross sectional view of an envelope or container surrounding a shirred catheter according to the present invention.
- FIGS. 1 and 2 show a tubular catheter 10 having at its leading end 16 a generally elliptical aperture sealed with urine soluble material 14.
- a syringe 20 is threaded through the open trailing end 12 of the catheter and has a rubber bulb 22 filled with air or with a warm salt solution. Compression of the bulb 22 forces air or salt solution into the catheter 10 to rigidify the same.
- FIGS. 3 and 4 show another tubular catheter 30 provided originally in shirred form. Behind the leading end 34 the catheter is formed with numerous pin holes 36 (for instance, 65 to per square inch) filled with urine solu'ble sealing material. The catheter is threaded over a tube 38 connected to a source of carbon dioxide or air or other gas under pressure. This gas has been admitted into the catheter, to expand the leading portion from its original shirred form, the trailing portion 32 still being shirred. On admission of additional gas under pressure, the catheter 30 will be completely expanded from its shirred 'form and rigidified.
- FIG. 5 shows a tubular catheter having three axial intern-a1 ribs serving to preserve an axial channel even when the catheter is somewhat compressed radially.
- FIGS. 6 and 7 show a tubular catheter 40 having a leading end opening sealed with sealing material 42 and provided with -a single helical internal rib 44 serving to preserve an internal axial channel even when the catheter is somewhat compressed radially.
- FIGS. 8 and 9 show a tubular catheter 50 having a helical external rib 52 serving to strengthen the catheter against radial compression and to facilitate introduction of the catheter into the urethra.
- the external groove defined by the rib 52 can be filled with lubricant.
- FIG. 10 shows a tubular catheter 60 similar to the catheter of FIGS. 1 and 2 and having at its leading end an opening sealed with urine soluble sealing material 62.
- the catheter 60 has been molded over a hollow mandrel 64, the opening at the leading end has been made, and the sealing material 62 has been applied before the catheter 60 is stripped from the mandrel. This stripping may be preceded by shirring, as shown in FIG. 11.
- the mandrel 64 may be made of flexible, inflatable and expandable material such as rubber or polypropylene which is inflated and expanded for the molding operation and deflated for the stripping operation, which is greatly facilit'ated by such deflation.
- the molding on the mandrel 64 may consist in dipping the mandrel in a ripe cellulose xanthate solution followed by cellulose regeneration by dipping in sulfuric acid solution.
- FIG. 12 shows a shirred catheter immersed in a sterilizing solution 74 within a sealed envelope or container 72. Such a package preserves the catheter against contamination.
- catheter is used in this specification and in the claims in its broadest sense to mean a tubular member to be introduced into any body cavity or orifice lined with mucous membrance (such as the urethra, the rectum and the intestine, the esophagus and the stomach, the vagina and the uterus) to withdraw a fluid or to introduce some therapeutic material, or for diagnostic purposes.
- mucous membrance such as the urethra, the rectum and the intestine, the esophagus and the stomach, the vagina and the uterus
- the present catheter may be used to introduce an enema into the large intestine and/or colon; when introduced into the esophagus and stomach, expanded 'or ballooned int-o contact with the stomach wall and filled with a rbarium sulfate suspension or other X-ray contrast medium, to outline the stomach walls on X-ray exposure; when having a radioactive material incorporated therewith and introduced into a body cavity, for therapeutic irradiation of the cavity walls; and for many other purposes.
- the tube may be one-sixteenth to one-eighth to one-quarter inch in diameter and may have a wall thickness of one to thirty mills.
- the leading catheter end portion When the catheter of the present invention is introduced through the urethra into the bladder the leading catheter end portion may be inflated or ballooned into contact with the bladder Wall, to strengthen and support the latter, which may be particularly helpful when the bladder wall is paralyzed. Such ballooning also serves to keep the catheter in position.
- electrically conductive ink lines can be printed on such a catheter to permit electrical stimulation of the paralyzed bladder wall by means of a low amperage current.
- a urethral catheter comprising a thin-walled flexible elongated tube having proximal and distal ends, said tube being initially in a limp condition, said tube provided with at least one opening at both ends, said distal end having its opening initially sealed with a urine-soluble adhesive, said tube when filled with a fluid in which said adhesive is insoluble being rigidified by said fluid for easy introduction into the urethra whereafter when said tube is introduced into the bladder and said adhesive is dissolved upon contact with the urine a drainage channel is established from the bladder and through the urethra, said catheter when empty of said fluid being sufiiciently flexibly limp so as to prevent its introduction into the urethra.
- a catheter according to claim 1 made of regenerated cellulose and shirred to shorten its axial extension while preserving the axial passage therethrough.
Description
Feb. 18, 19%9 REMER ET AL 3,428,046
CATHETER Filed April 6, 1965 I N VEN TOR.
United States Patent 3,428,046 CATHETER Robert K. Remer, 1500 Central St., Evanston, II]. 60201,
and Harold N. Vagenius, 1634 Elmwood Ave., Berwyn,
Ill. 60402 Filed Apr. 6, 1965, Ser. No. 446,124
US. Cl. 128349 Int. Cl. A61m 25/00, 29/02, 3/00 2 Claims ABSTRACT OF THE DISCLOSURE This invention relates to a novel catheter or cannula and to methods of using this catheter.
The present catheter or cannula is fashioned in the form of a thin-walled tube having openings at both ends. This tube is not sufficiently rigid, by itself, for introduction into the urethra or other body orifice or cavity. For this purpose, the opening or openings in the distal or leading end or end portion of my catheter are closed by the application of a urine (or other body fluid) soluble sealing material (such as methyl cellulose or polyvinyl alcohol) and the catheter is then rigidified by being filled, through its open proximal or trailing end, with a fluid under pressure, for instance, carbon dioxide or air or a concentrated solution of salt in water at body temperature in which salt solution the sealing material is insoluble. When so filled with fluid under pressure, the catheter or cannula is rendered sufliciently rigid for introduction into the urethra or other body cavity but will still yield or change its configuration to conform with the shape of the urethra or other body cavity. After the catheter has been introduced into the urethra or other body cavity, the rigidifying fluid is vented or permitted to drain out through the trailing catheter end. The soluble sealing material will dissolve to permit free outflow of urine or other body fluid through the catheter, and also to permit introduction into the bladder or other body cavity of therapeutic liquids or gases.
The preferred material of construction of our catheter is a natural or synthetic plastic or resinous material which is hydrophilic or easily wetted with water. For best results. this material is made self-lubricating by incorporating therewith a finely divided solid lubricant such as molybdenum disuliide, or graphite, or tungsten disulfide, or molybdenum selenide, or titanium disulfide. Suoh materials greatly facilitate the displacement of our catheter over a mucous surface.
Examples of preferred materials of construction are cellulose acetate, cellulose acetate butyrate, nylon, ethyl cellulose and, specifically, regenerated cellulose or viscose. Cellulose acetate or acetate butyrate may be treated as disclosed in US. Patent No. 2,774,679 to make it more hydrophilic.
'Dhe catheter may be formed by extrusion into tubular form, cutting the extruded tube into suitable lengths, and forming the desired aperture in the leading end of the tube, or the catheter may be molded or formed upon a suitable mandrel. After being formed, the catheter may be shirred, to reduce the apparent length of the tube to about whereby the storage space is reduced.
The catheter is easily heat sterilized. It may also be sterilized by exposure to sterilizing agents such as gamma rays, ethylene oxide gas, solutions of mercuric chloride, and the like. Or the catheter may be permanently sterilized by having incorporated therewith antiseptic dye-stuffs (which may be substantive to the material of construction), antiseptic quaternary compounds (if desired, of the type used as textile softening agents), phenyl mercuric chloride or acetate and many other antiseptic compositions.
Examples of the present catheter are illustrated diagrammatically in the appended drawings, in which:
FIG. 1 is a sideview of a catheter threaded over a syringe having a rubber bulb, the catheter being shown in longitudinal section;
FIG. 2 is a cross sectional view taken along the line 22 of FIG. 1;
FIG. 3 is a view similar to FIG. 1 but showing a catheter of different construction;
FIG. 4 is a cross sectional view taken along the line 44 of FIG. 3;
FIG. 5 is a view similar to that of FIG. 4 but showing a catheter of different construction;
FIG. 6 is a view similar to that of FIG. 5 but showing a catheter of still different construction;
FIG. 7 is a longitudinal cross sectional view of the catheter of FIG. 6;
FIG. 8 is a view similar to that of FIG. 6 but showing a catheter of still different construction;
FIG. 9 is a longitudinal cross sectional view of the catheter of FIG. 8;
FIG. 10 is a longitudinal cross sectional view showing the molding on a mandrel (shown in elevation) of the catheter of FIGS. 1 and 2;
FIG. 11 is a view similar to FIG. 10 showing the molded catheter in shirred form; and
FIG. 12 is a cross sectional view of an envelope or container surrounding a shirred catheter according to the present invention.
FIGS. 1 and 2 show a tubular catheter 10 having at its leading end 16 a generally elliptical aperture sealed with urine soluble material 14. A syringe 20 is threaded through the open trailing end 12 of the catheter and has a rubber bulb 22 filled with air or with a warm salt solution. Compression of the bulb 22 forces air or salt solution into the catheter 10 to rigidify the same.
FIGS. 3 and 4 show another tubular catheter 30 provided originally in shirred form. Behind the leading end 34 the catheter is formed with numerous pin holes 36 (for instance, 65 to per square inch) filled with urine solu'ble sealing material. The catheter is threaded over a tube 38 connected to a source of carbon dioxide or air or other gas under pressure. This gas has been admitted into the catheter, to expand the leading portion from its original shirred form, the trailing portion 32 still being shirred. On admission of additional gas under pressure, the catheter 30 will be completely expanded from its shirred 'form and rigidified.
FIG. 5 shows a tubular catheter having three axial intern-a1 ribs serving to preserve an axial channel even when the catheter is somewhat compressed radially.
FIGS. 6 and 7 show a tubular catheter 40 having a leading end opening sealed with sealing material 42 and provided with -a single helical internal rib 44 serving to preserve an internal axial channel even when the catheter is somewhat compressed radially.
FIGS. 8 and 9 show a tubular catheter 50 having a helical external rib 52 serving to strengthen the catheter against radial compression and to facilitate introduction of the catheter into the urethra. The external groove defined by the rib 52 can be filled with lubricant.
FIG. 10 shows a tubular catheter 60 similar to the catheter of FIGS. 1 and 2 and having at its leading end an opening sealed with urine soluble sealing material 62. The catheter 60 has been molded over a hollow mandrel 64, the opening at the leading end has been made, and the sealing material 62 has been applied before the catheter 60 is stripped from the mandrel. This stripping may be preceded by shirring, as shown in FIG. 11. The mandrel 64 may be made of flexible, inflatable and expandable material such as rubber or polypropylene which is inflated and expanded for the molding operation and deflated for the stripping operation, which is greatly facilit'ated by such deflation.
The molding on the mandrel 64 may consist in dipping the mandrel in a ripe cellulose xanthate solution followed by cellulose regeneration by dipping in sulfuric acid solution.
FIG. 12 shows a shirred catheter immersed in a sterilizing solution 74 within a sealed envelope or container 72. Such a package preserves the catheter against contamination.
It should be understood that the term catheter is used in this specification and in the claims in its broadest sense to mean a tubular member to be introduced into any body cavity or orifice lined with mucous membrance (such as the urethra, the rectum and the intestine, the esophagus and the stomach, the vagina and the uterus) to withdraw a fluid or to introduce some therapeutic material, or for diagnostic purposes.
By way of examples, the present catheter may be used to introduce an enema into the large intestine and/or colon; when introduced into the esophagus and stomach, expanded 'or ballooned int-o contact with the stomach wall and filled with a rbarium sulfate suspension or other X-ray contrast medium, to outline the stomach walls on X-ray exposure; when having a radioactive material incorporated therewith and introduced into a body cavity, for therapeutic irradiation of the cavity walls; and for many other purposes.
The specific shape and length of our catheter depends obviously on the specific cavity in which the catheter will be used. Generally, the tube may be one-sixteenth to one-eighth to one-quarter inch in diameter and may have a wall thickness of one to thirty mills.
When the catheter of the present invention is introduced through the urethra into the bladder the leading catheter end portion may be inflated or ballooned into contact with the bladder Wall, to strengthen and support the latter, which may be particularly helpful when the bladder wall is paralyzed. Such ballooning also serves to keep the catheter in position. In such case, I prefer to have the catheter end formed with pin holes as shown in FIGS. 3 and 4. If desired, electrically conductive ink lines can be printed on such a catheter to permit electrical stimulation of the paralyzed bladder wall by means of a low amperage current.
Many details of this invention may be varied without departing from the principles of this invention which are defined in the appended claims.
We claim:
1. A urethral catheter comprising a thin-walled flexible elongated tube having proximal and distal ends, said tube being initially in a limp condition, said tube provided with at least one opening at both ends, said distal end having its opening initially sealed with a urine-soluble adhesive, said tube when filled with a fluid in which said adhesive is insoluble being rigidified by said fluid for easy introduction into the urethra whereafter when said tube is introduced into the bladder and said adhesive is dissolved upon contact with the urine a drainage channel is established from the bladder and through the urethra, said catheter when empty of said fluid being sufiiciently flexibly limp so as to prevent its introduction into the urethra.
2. A catheter according to claim 1 made of regenerated cellulose and shirred to shorten its axial extension while preserving the axial passage therethrough.
References Cited UNITED STATES PATENTS 692,102 1/1902 Bachrach 106-191 1,379,156 5/ 1921 Acheson 106-204 2,016,493 10/1935 Haas 106-193 2,109,592 3/1938 Macht 106-193 2,237,221 4/1941 Flynn 128-349 X 2,736,700 2/1956 Graham et al. 106-193 2,850,015 9/1958 Baxter 128-227 2,863,453 12/1958 Gewecke 128-227 797,676 8/1905 Flowers 128-344 X 1,596,754 8/1926 Moschelle 128-350 2,508,6- 5/1950 Schmerl 128-276 2,707,471 5/1955 Koff 128-341 3,155,097 11/1964 Barron 128-350 3,292,627 12/1966 Harautuneian 128-349 DALTON L. TRULUCK, Primary Examiner.
US. Cl. X.R.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US44612465A | 1965-04-06 | 1965-04-06 |
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US3428046A true US3428046A (en) | 1969-02-18 |
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US446124A Expired - Lifetime US3428046A (en) | 1965-04-06 | 1965-04-06 | Catheter |
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Cited By (58)
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US3516410A (en) * | 1968-01-03 | 1970-06-23 | Salomon Hakim | Cerebro-ventricular catheter |
US3570485A (en) * | 1968-05-06 | 1971-03-16 | Baxter Laboratories Inc | Flexible catheter and inserting apparatus |
US3604420A (en) * | 1969-01-21 | 1971-09-14 | Bard Inc C R | Closed system drainage design |
US3659588A (en) * | 1970-04-08 | 1972-05-02 | Medtronic Inc | Catheter apparatus |
US3680544A (en) * | 1970-09-09 | 1972-08-01 | James P Shinnick | Transthoracic cannula-type device for cardiopulmonary resuscitation |
US3732975A (en) * | 1968-06-11 | 1973-05-15 | G Poncy | Sterile package for clinical thermometers and the like and method of making it |
US3736939A (en) * | 1972-01-07 | 1973-06-05 | Kendall & Co | Balloon catheter with soluble tip |
US3815608A (en) * | 1972-03-10 | 1974-06-11 | East West Med Prod | Retaining catheter |
US4050449A (en) * | 1976-02-25 | 1977-09-27 | Medical Products Development Corporation | Apparatus for exercising muscles of a female patient's pelvic diaphragm |
US4063548A (en) * | 1975-04-07 | 1977-12-20 | American Medical Systems, Inc. | Method and apparatus for micturition analysis |
US4203169A (en) * | 1977-09-14 | 1980-05-20 | Medeci Developments Limited | Urine collection device |
EP0029185A1 (en) * | 1979-11-16 | 1981-05-27 | Siemens Aktiengesellschaft | Plastic tube |
WO1984001903A1 (en) * | 1982-11-12 | 1984-05-24 | Thomas J Fogarty | Double lumen dilatation catheter |
US4553959A (en) * | 1982-01-27 | 1985-11-19 | The Victoria University Of Manchester | Urethral catheter |
US4557274A (en) * | 1982-06-07 | 1985-12-10 | Cawood Charles David | Midstream urine collector |
US4571241A (en) * | 1983-12-16 | 1986-02-18 | Christopher T Graham | Urinary catheter with collapsible urethral tube |
US4710169A (en) * | 1983-12-16 | 1987-12-01 | Christopher T Graham | Urinary catheter with collapsible urethral tube |
US4759748A (en) * | 1986-06-30 | 1988-07-26 | Raychem Corporation | Guiding catheter |
US4867154A (en) * | 1987-10-08 | 1989-09-19 | The University Of Virginia Alumni Patents Foundation | Endotracheal tube stabilizing devices |
US4950232A (en) * | 1987-08-11 | 1990-08-21 | Surelab Superior Research Laboratories | Cerebrospinal fluid shunt system |
US5041101A (en) * | 1989-06-05 | 1991-08-20 | Helix Medical, Inc. | Hysterectomy drain appliance |
US5087247A (en) * | 1990-08-28 | 1992-02-11 | Cardiovascular Designs, Inc. | Balloon perfusion catheter |
US5116327A (en) * | 1989-06-05 | 1992-05-26 | Helix Medical, Inc. | Hysterectomy drain appliance |
WO1992019308A1 (en) * | 1991-05-03 | 1992-11-12 | Burnham Warren R | Catheter with irregular inner and/or outer surfaces |
US5335410A (en) * | 1993-03-15 | 1994-08-09 | Burnham Warren R | Method of making ultra small diameter catheters and of reinforced tubular product |
US5405338A (en) * | 1993-08-19 | 1995-04-11 | Cordis Corporation | Helically wound catheters |
US5423884A (en) * | 1992-08-28 | 1995-06-13 | Siemens Elema Ab | Medical electrode and electrode implantation device |
US5423774A (en) * | 1994-05-17 | 1995-06-13 | Arrow International Investment Corp. | Introducer sheath with irregular outer surface |
US5529574A (en) * | 1992-08-21 | 1996-06-25 | Frackelton; James P. | Method and apparatus for treatment of the prostate |
US5634901A (en) * | 1992-11-02 | 1997-06-03 | Localmed, Inc. | Method of using a catheter sleeve |
US5871475A (en) * | 1995-06-05 | 1999-02-16 | Frassica; James J. | Catheter system |
US5964732A (en) * | 1997-02-07 | 1999-10-12 | Abbeymoor Medical, Inc. | Urethral apparatus with position indicator and methods of use thereof |
US5971967A (en) * | 1997-08-19 | 1999-10-26 | Abbeymoor Medical, Inc. | Urethral device with anchoring system |
US6053904A (en) * | 1996-04-05 | 2000-04-25 | Robert M. Scribner | Thin wall catheter introducer system |
US6251098B1 (en) | 1992-01-24 | 2001-06-26 | I-Flow, Corp. | Fluid container for use with platen pump |
US6358239B1 (en) | 1992-01-24 | 2002-03-19 | I-Flow Corporation | Platen pump |
US20020045855A1 (en) * | 1997-02-10 | 2002-04-18 | Essex Technology, Inc. | Rotate to advance catheterization system |
US20050251108A1 (en) * | 1999-09-27 | 2005-11-10 | Essex Technology, Inc. | Rotate-to-advance catheterization system |
US20060206002A1 (en) * | 2005-02-28 | 2006-09-14 | Frassica James J | Rotate-to-advance catheterization system |
US20070005041A1 (en) * | 2005-05-04 | 2007-01-04 | Frassica James J | Rotate-to-advance catheterization system |
US20080027379A1 (en) * | 2006-07-28 | 2008-01-31 | Taylor Medical, Inc. | Catheter components formed of polymer with particles or fibers |
US20080188770A1 (en) * | 2007-01-29 | 2008-08-07 | Hollister Incorporated | Device and Method for the Collection of a Urine Sample |
US20080215029A1 (en) * | 1993-01-22 | 2008-09-04 | I-Flow Corporation | Platen pump |
US20090005645A1 (en) * | 2005-05-04 | 2009-01-01 | Frassica James J | Rotate-to- advance catheterization system |
US20090162585A1 (en) * | 2007-12-21 | 2009-06-25 | Cook Incorporated | Jejunal feeding tube |
US20100022950A1 (en) * | 2008-07-23 | 2010-01-28 | Boston Scientific Scimed, Inc. | Catheter having electrically conductive pathways |
US20100069718A1 (en) * | 2005-05-04 | 2010-03-18 | Frassica James J | Rotate-to-advance catheterization system |
US20100076264A1 (en) * | 2005-05-04 | 2010-03-25 | Stephen Tallarida | Rotate-to-advance catheterization system |
US20100081879A1 (en) * | 2005-05-04 | 2010-04-01 | Frassica James J | Rotate-to-advance catheterization system |
US20100312226A1 (en) * | 2009-06-03 | 2010-12-09 | John Anderson Armistead | Barb-ended, self-actuating, partially indwelling and continually retained urinary catheter |
US20110054448A1 (en) * | 2009-08-28 | 2011-03-03 | Navilyst Medical, Inc. | Medical device containing catheter anchoring feature |
US8317678B2 (en) | 2005-05-04 | 2012-11-27 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8435229B2 (en) | 2006-02-28 | 2013-05-07 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8574220B2 (en) | 2006-02-28 | 2013-11-05 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US20140100551A1 (en) * | 2011-06-01 | 2014-04-10 | Catheasy Vasteras Ab | Flushing device and a catheter kit comprising a flushing device |
US8777841B2 (en) | 2007-05-18 | 2014-07-15 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US20210060300A1 (en) * | 2019-08-29 | 2021-03-04 | Leonid Shendelman | Catheter System |
US11383022B2 (en) * | 2016-11-08 | 2022-07-12 | Mbh-International A/S | Nozzle for an enema device, a packaging including the nozzle, and an enema device comprising the nozzle |
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US2736700A (en) * | 1954-03-16 | 1956-02-28 | Jr Charles D Graham | Lubricant for cold drawing of thorium wire |
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US2863453A (en) * | 1956-12-04 | 1958-12-09 | Baxter Laboratories Inc | Syringe nozzle |
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US3604420A (en) * | 1969-01-21 | 1971-09-14 | Bard Inc C R | Closed system drainage design |
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US3680544A (en) * | 1970-09-09 | 1972-08-01 | James P Shinnick | Transthoracic cannula-type device for cardiopulmonary resuscitation |
US3736939A (en) * | 1972-01-07 | 1973-06-05 | Kendall & Co | Balloon catheter with soluble tip |
US3815608A (en) * | 1972-03-10 | 1974-06-11 | East West Med Prod | Retaining catheter |
US4063548A (en) * | 1975-04-07 | 1977-12-20 | American Medical Systems, Inc. | Method and apparatus for micturition analysis |
US4050449A (en) * | 1976-02-25 | 1977-09-27 | Medical Products Development Corporation | Apparatus for exercising muscles of a female patient's pelvic diaphragm |
US4203169A (en) * | 1977-09-14 | 1980-05-20 | Medeci Developments Limited | Urine collection device |
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US4553959A (en) * | 1982-01-27 | 1985-11-19 | The Victoria University Of Manchester | Urethral catheter |
US4557274A (en) * | 1982-06-07 | 1985-12-10 | Cawood Charles David | Midstream urine collector |
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US4479497A (en) * | 1982-11-12 | 1984-10-30 | Thomas J. Fogarty | Double lumen dilatation catheter |
US4571241A (en) * | 1983-12-16 | 1986-02-18 | Christopher T Graham | Urinary catheter with collapsible urethral tube |
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US5041101A (en) * | 1989-06-05 | 1991-08-20 | Helix Medical, Inc. | Hysterectomy drain appliance |
US5116327A (en) * | 1989-06-05 | 1992-05-26 | Helix Medical, Inc. | Hysterectomy drain appliance |
US5087247A (en) * | 1990-08-28 | 1992-02-11 | Cardiovascular Designs, Inc. | Balloon perfusion catheter |
WO1992019308A1 (en) * | 1991-05-03 | 1992-11-12 | Burnham Warren R | Catheter with irregular inner and/or outer surfaces |
US5244619A (en) * | 1991-05-03 | 1993-09-14 | Burnham Warren R | Method of making catheter with irregular inner and/or outer surfaces to reduce travelling friction |
US5496292A (en) * | 1991-05-03 | 1996-03-05 | Burnham; Warren | Catheter with irregular inner and/or outer surfaces to reduce travelling friction |
US6871759B2 (en) | 1992-01-24 | 2005-03-29 | I-Flow Corporation | Platen pump |
US7337922B2 (en) | 1992-01-24 | 2008-03-04 | I-Flow Corporation | Platen pump |
US20040108333A1 (en) * | 1992-01-24 | 2004-06-10 | Rake Kenneth W. | Platen pump |
US20050211725A1 (en) * | 1992-01-24 | 2005-09-29 | Rake Kenneth W | Platen pump |
US6358239B1 (en) | 1992-01-24 | 2002-03-19 | I-Flow Corporation | Platen pump |
US7083068B2 (en) | 1992-01-24 | 2006-08-01 | I-Flow Corporation | Platen pump |
US6251098B1 (en) | 1992-01-24 | 2001-06-26 | I-Flow, Corp. | Fluid container for use with platen pump |
US5529574A (en) * | 1992-08-21 | 1996-06-25 | Frackelton; James P. | Method and apparatus for treatment of the prostate |
US5423884A (en) * | 1992-08-28 | 1995-06-13 | Siemens Elema Ab | Medical electrode and electrode implantation device |
US5876374A (en) * | 1992-11-02 | 1999-03-02 | Localmed, Inc. | Catheter sleeve for use with a balloon catheter |
US5634901A (en) * | 1992-11-02 | 1997-06-03 | Localmed, Inc. | Method of using a catheter sleeve |
US20080215029A1 (en) * | 1993-01-22 | 2008-09-04 | I-Flow Corporation | Platen pump |
US5335410A (en) * | 1993-03-15 | 1994-08-09 | Burnham Warren R | Method of making ultra small diameter catheters and of reinforced tubular product |
WO1994021420A1 (en) * | 1993-03-15 | 1994-09-29 | Burnham Warren R | Method and apparatus for small catheters and reinforced tubular product |
US5405338A (en) * | 1993-08-19 | 1995-04-11 | Cordis Corporation | Helically wound catheters |
US5423774A (en) * | 1994-05-17 | 1995-06-13 | Arrow International Investment Corp. | Introducer sheath with irregular outer surface |
US5871475A (en) * | 1995-06-05 | 1999-02-16 | Frassica; James J. | Catheter system |
US6053904A (en) * | 1996-04-05 | 2000-04-25 | Robert M. Scribner | Thin wall catheter introducer system |
US5964732A (en) * | 1997-02-07 | 1999-10-12 | Abbeymoor Medical, Inc. | Urethral apparatus with position indicator and methods of use thereof |
US6258060B1 (en) | 1997-02-07 | 2001-07-10 | Abbeymoon Medical, Inc. | Urethral apparatus with position indicator and methods of use thereof |
US20110178370A1 (en) * | 1997-02-10 | 2011-07-21 | Frassica James J | Rotate to advance catheterization system |
US20060079835A1 (en) * | 1997-02-10 | 2006-04-13 | Frassica James J | Rotate to advance catheterization system |
US7806888B2 (en) | 1997-02-10 | 2010-10-05 | Spirus Medical, Inc. | Rotate to advance catheterization system |
US20020045855A1 (en) * | 1997-02-10 | 2002-04-18 | Essex Technology, Inc. | Rotate to advance catheterization system |
US8764631B2 (en) | 1997-02-10 | 2014-07-01 | Olympus Endo Technology America Inc. | Rotate to advance catheterization system |
US6221060B1 (en) | 1997-08-19 | 2001-04-24 | Abbeymoor Medical, Inc. | Urethral device with anchoring system |
US5971967A (en) * | 1997-08-19 | 1999-10-26 | Abbeymoor Medical, Inc. | Urethral device with anchoring system |
US9220395B2 (en) | 1999-09-27 | 2015-12-29 | James J. Frassica | Rotate-to-advance catheterization system |
US7048717B1 (en) | 1999-09-27 | 2006-05-23 | Essex Technology, Inc. | Rotate-to-advance catheterization system |
US20050251108A1 (en) * | 1999-09-27 | 2005-11-10 | Essex Technology, Inc. | Rotate-to-advance catheterization system |
US7909799B2 (en) | 1999-09-27 | 2011-03-22 | Spirus Medical, Inc. | Rotate-to-advance catheterization system |
US8377041B2 (en) | 2005-02-28 | 2013-02-19 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US20060206002A1 (en) * | 2005-02-28 | 2006-09-14 | Frassica James J | Rotate-to-advance catheterization system |
US8317678B2 (en) | 2005-05-04 | 2012-11-27 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8747300B2 (en) | 2005-05-04 | 2014-06-10 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US20100081879A1 (en) * | 2005-05-04 | 2010-04-01 | Frassica James J | Rotate-to-advance catheterization system |
US7780650B2 (en) | 2005-05-04 | 2010-08-24 | Spirus Medical, Inc. | Rotate-to-advance catheterization system |
US20100069718A1 (en) * | 2005-05-04 | 2010-03-18 | Frassica James J | Rotate-to-advance catheterization system |
US20070005041A1 (en) * | 2005-05-04 | 2007-01-04 | Frassica James J | Rotate-to-advance catheterization system |
US20100076264A1 (en) * | 2005-05-04 | 2010-03-25 | Stephen Tallarida | Rotate-to-advance catheterization system |
US8414477B2 (en) | 2005-05-04 | 2013-04-09 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8366674B2 (en) | 2005-05-04 | 2013-02-05 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8343040B2 (en) | 2005-05-04 | 2013-01-01 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US20090005645A1 (en) * | 2005-05-04 | 2009-01-01 | Frassica James J | Rotate-to- advance catheterization system |
US8235942B2 (en) | 2005-05-04 | 2012-08-07 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8435229B2 (en) | 2006-02-28 | 2013-05-07 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8574220B2 (en) | 2006-02-28 | 2013-11-05 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8066676B2 (en) | 2006-07-28 | 2011-11-29 | Taylor Medical, Inc. | Catheter components formed of polymer with particles or fibers |
US20080027379A1 (en) * | 2006-07-28 | 2008-01-31 | Taylor Medical, Inc. | Catheter components formed of polymer with particles or fibers |
US7833169B2 (en) | 2007-01-29 | 2010-11-16 | Hollister Incorporated | Device and method for the collection of a urine sample |
US20080188770A1 (en) * | 2007-01-29 | 2008-08-07 | Hollister Incorporated | Device and Method for the Collection of a Urine Sample |
US8777841B2 (en) | 2007-05-18 | 2014-07-15 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US8870755B2 (en) | 2007-05-18 | 2014-10-28 | Olympus Endo Technology America Inc. | Rotate-to-advance catheterization system |
US20090162585A1 (en) * | 2007-12-21 | 2009-06-25 | Cook Incorporated | Jejunal feeding tube |
US8734437B2 (en) * | 2008-07-23 | 2014-05-27 | Boston Scientific Scimed, Inc. | Catheter having electrically conductive pathways |
US20100022950A1 (en) * | 2008-07-23 | 2010-01-28 | Boston Scientific Scimed, Inc. | Catheter having electrically conductive pathways |
US9554723B2 (en) | 2008-07-23 | 2017-01-31 | Boston Scientific Scimed, Inc. | Catheter having electrically conductive pathways |
US20100312226A1 (en) * | 2009-06-03 | 2010-12-09 | John Anderson Armistead | Barb-ended, self-actuating, partially indwelling and continually retained urinary catheter |
US8096986B2 (en) * | 2009-06-03 | 2012-01-17 | John Anderson Armistead | Barb-ended, self-actuating, partially indwelling and continually retained urinary catheter |
US20110054448A1 (en) * | 2009-08-28 | 2011-03-03 | Navilyst Medical, Inc. | Medical device containing catheter anchoring feature |
US20140100551A1 (en) * | 2011-06-01 | 2014-04-10 | Catheasy Vasteras Ab | Flushing device and a catheter kit comprising a flushing device |
US11383022B2 (en) * | 2016-11-08 | 2022-07-12 | Mbh-International A/S | Nozzle for an enema device, a packaging including the nozzle, and an enema device comprising the nozzle |
US20210060300A1 (en) * | 2019-08-29 | 2021-03-04 | Leonid Shendelman | Catheter System |
US11707602B2 (en) * | 2019-08-29 | 2023-07-25 | Leonid Shendelman | Catheter system |
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