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US3583391A - Medical instrument with outrolling catheter - Google Patents

Medical instrument with outrolling catheter Download PDF

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Publication number
US3583391A
US3583391A US777728A US3583391DA US3583391A US 3583391 A US3583391 A US 3583391A US 777728 A US777728 A US 777728A US 3583391D A US3583391D A US 3583391DA US 3583391 A US3583391 A US 3583391A
Authority
US
United States
Prior art keywords
insertion tube
sac
guide sleeve
tube
medical instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US777728A
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English (en)
Inventor
Clair E Cox
Frank Hinman Jr
Andrew Harautuneian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baxter International Inc
Original Assignee
American Hospital Supply Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Hospital Supply Corp filed Critical American Hospital Supply Corp
Application granted granted Critical
Publication of US3583391A publication Critical patent/US3583391A/en
Assigned to BAXTER TRAVENOL LABORATORIES, INC. A CORP. OF DE reassignment BAXTER TRAVENOL LABORATORIES, INC. A CORP. OF DE MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 11/25/1985 ILLINOIS Assignors: AMERICAN HOSPITAL SUPPLY CORPORATION INTO
Anticipated expiration legal-status Critical
Assigned to BAXTER INTERNATIONAL INC. reassignment BAXTER INTERNATIONAL INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 10/17/1988 Assignors: BAXTER TRAVENOL LABORATORIES, INC., A CORP. OF DE
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0119—Eversible catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0111—Aseptic insertion devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0043—Catheters; Hollow probes characterised by structural features
    • A61M2025/0062—Catheters; Hollow probes characterised by structural features having features to improve the sliding of one part within another by using lubricants or surfaces with low friction

Definitions

  • ABSTRACT A medical instrument for positioning an elonigid tubular guide leeve encircling a portion of the flexible introducer tube.
  • the flexible insertion tube is pushed forward, the insertion tube extends out of the guide sleeve into the urethra and the sac rolls out over a front end of the insertion tube into contact with the urethra.
  • a TTORNEY MEDICAL INSTRUMENT WITH OUTROLLING CATHETER This invention relates to a medical instrument for everting an elongated sac or catheter and inserting it through an opening and into a body cavity such as the urethra. This is particularly useful for obtaining samples of microorganisms from different areas of the urethra, or for inserting a tube into the urinary bladder without transferring microorganisms from the meatus and distal urethra to other areas of the urinary tract.
  • the flexible sac of these devices can be used for either urinary drainage as explained above or can be used for taking bacterial samples at various points along the urethra. In this latter use, these bacterial samples can be used for culture tests in diagnosing a patients particular urological problem.
  • the sac has a pull string tied to an end of the sac within the insertion tube. After the flexible sac has been placed in the urethra, this string is pulled to invert the sac and pull it back into the insertion tube as the device is removed. The sac now has bacterial samples from various points along the urethra, and a physician can identify the bacteria and estimate their concentrations at, for instance, I, 2, 3 and 4 cm. distances from the urethral meatus.
  • the present invention overcomes these difficulties in the previous outrolling catheter devices by providing a flexible plastic insertion tube minimizing patient discomfort, a flexible sac for insertion into the urethra, and a rigid guide sleeve surrounding the flexible insertion tube.
  • the rigid guide sleeve provides columnar rigidity to the flexible insertion tube but does not itself enter the urethra.
  • FIG. 1 is a side elevational view of the medical instrument used for inserting a flexible sac into a body cavity;
  • FIG. 2 is an enlarged longitudinal sectional view partially in section of the medical instrument
  • FIG. 3 is a cross-sectional view taken along line 3-3 of FIG.
  • FIG. 4 is a cross-sectional view taken along line 4-4 of FIG.
  • FIG. 5 is a cross-sectional view taken along line 5-5 of FIG.
  • FIG. 6 is a fragmentary longitudinal sectional view of a forward portion of one embodiment of the medical instrument showing it used for urinary drainage;
  • FIG. 7 is a view similar to FIG. 6 of a second embodiment of the medical instrument showing it being used for obtaining bacterial samples from a urethra;
  • FIG. 8 is a fragmentary sectional view of a forward portion of a third embodiment showing a preformed curve in an insertion tube.
  • FIGS. 1-6 show a first embodiment of the invention particularly suited for inserting a flexible sac into a female patients urethra without pushing bacteria from the meatus into the bladder.
  • the sac Once inserted, the sac has a flexible insertion tube inside, through which urine can flow. It is important to this invention that the insertion tube be laterally flexible so it can follow any natural contour of the urethra and not cause excessive pain if the patient moves while the insertion tube and sac are in the urethra.
  • the medical instrument includes a flexible insertion tube 1 with a forward end 2 and a rearward end 3.
  • a thin plastic sac 4 of layflat plastic tubing is telescoped into the insertion tube's bore at its forward end 2 and an end portion 5 of the sac extends out of the insertion tube and is attached to a rigid guide sleeve 6.
  • the sac can be everted and laid down along an inside surface of the urethra by holding guide sleeve 6 and shoving the insertion tube into the urethra.
  • the instrument includes the rigid guide sleeve 6 surrounding the flexible insertion tube.
  • This guide sleeve is substantially longer than the insertion tubes diameter and has four parts, namely: a forward, generally oval-shaped shield 7 adapted to be pressed against the area surrounding the meatus; a first tubular section 8; a second tubular section 9; and a rear cap 10. All of these parts are joined together to form an elongated rigid member.
  • the second tubular section 9 has a pair of diametrically opposed slots 11 and 12 providing access to the introducer tube through the guide sleeve 6.
  • a handle 13 is attached to the flexible insertion tube at these slots for urging the insertion tube longitudinally along the guide sleeve.
  • the handle includes a rigid C-chaped tubular segment 14 surrounding the insertion tube and a pair of diametrically opposed thumb pads 15 and 16 integrally joined to the C-shaped tubular segment 14. These thumb pads extend outwardly through the slots 11 and 12.
  • An operator can easily operate the instrument with one hand by grasping a finger flange 17 on first tubular section 8 and one thumb pad, and thereafter pushing the thumb pad toward finger flange 17. This pushes a forward end of the insertion tube out of the guide sleeve, and thus everts the sac 4 and lays it down along the inside surface of the urethra.
  • Calibrations 33 show how far the insertion tube has been pushed into the urethra. The insertion tube continues into the urethra until sac 4 is entirely pulled out of the insertion tubes bore and the insertion tube extends a short distance beyond the end of the sac as shown in FIG. 6. This insures that the sac will not block the insertion tube's bore and slow down urine flow.
  • a conduit (not shown) leading to a drainage container is connected to an adapter 18 at the rear of the introducer tube and urinary drainage begins. After the urine in the patients bladder has been drained, the insertion tube and sac are pulled out of the urethra and discarded.
  • FIG. 7 A second embodiment of the invention is shown in FIG. 7.
  • the medical instrument is intended for use in taking bacterial samples along a female urethra to determine the types and concentration of bacteria at different depths in the urethra.
  • This instrument is identical to the instrument of FIGS. 1-6, except that here a string 22 is tied to the end of flexible sac 19 within the bore of flexible insertion tube 21, and said string extends out through a rear portion of the insertion tube.
  • the sac also has a series of depth marks 23, 24, and 26 to indicate for instance the 1 cm., 2 cm., 3 cm. and 4 cm. positions in the urethra.
  • this second embodiment is inserted in the same way as the embodiment of FIGS. 1-6, but the sac I9 is not completely pulled out of the insertion tubes bore. Instead, after the sac has been inserted a given distance into the urethra to contact its inner surface and pick up bacterial samples, the sac is pulled back into the insertion tube 21. If desired, a hole 27 can be provided in the sac near where the string 22 is tied to it. This allows urine to flow through the sac so the sac is not filled with urine when it is pulled back into the insertion tube. After the flexible insertion tube and sac have been removed from the urethra, the sac which now has bacterial samples on its inside surface can be cut into 1 cm. segments and tests run to determine the bacterial types and concentrations at various depths in the urethra.
  • a third embodiment of this invention is shown in the sectional side elevational view of FIG. 8.
  • the instrument is the same as theinstrument shown in FIGS. 16, but the flexible insertion tube 31 has a preformed curved section 32 so it conforms more naturally to the contour of the urethra.
  • the guide sleeve can also be curved.
  • This preformed curved section 32 in the insertion tube can be formed by taking a section of flexible extruded tube, bending it to the desired curvature and then heating it in an oven to a temperature below its melting point so the tube takes on a permanent set or curve.
  • the insertion tube 31 is pushed out of rigid guide sleeve, it smoothly follows the curved urethra as shown in FIG. 8.
  • the rigid tubular guide sleeve can also be curved.
  • the medical instruments of these embodiments are made in a similar way. In describing how they are made, it suffices to refer to the version shown in FIGS. l--6.
  • the insertion tube 1 is made of a flexible polyvinyl chloride tube
  • sac 4 is a layflat polyethylene sac which has sufficient flexibility and strength for rolling over the insertion tube's end.
  • the inner and outer surfaces of the insertion tube have been coated with silicone oil.
  • the sac has its end portion wedged between shield 7 and first tubular section 8. There is no adhesive bond here so that the sac can be removed if desired. Removal of the sac is important in the second embodiment where the sac contains bacterial samples.
  • first and second sections 8 and 9 are joined together at ajoint 28 which can be a solvent joint.
  • the first section preferably is ofa transparent material such as polycarbonate so urine can be observed flowing through the transparent insertion tube.
  • the second tubular section 9 has slots l1 and 12 which extend completely to a rear end of this section, and a cap member 10 with inner and outer skirts 29 and 30 fits over the rear end of tubular section 9 and sealed thereto to hold it in a circular shape.
  • the flexible insertion tube is urged forward along the rigid guide sleeve by a handle U which has a C-shaped tube segment M.
  • the flexible insertion tube is squeezed into a mouth of the C-shaped tube segment 14.
  • the handle does not slip on the insertion tube, it is sealed by a solvent or adhesive to the insertion tube.
  • the instrument as inserting a flexible sac into a female urethra.
  • the invention is also adaptable for inserting a sac in a male urethra merely by making the sac, insertion tube and guide sleeve longer.
  • a medical instrument for everting an elongated sac and inserting it into a body orifice comprising:
  • a flexible insertion tube having a forward and rearward end
  • one end portion of the sac being removably disposed in the bore and extending over the forward end of the inserting tube;
  • said guide sleeve including abutment means at the forward distal end for preventing the guide sleeve from entering a body opening, said tubular guide sleeve keeping the forward section of the insertion tube from laterally bending before and as it enters a body orifice, said sac s other end portion being reversibly secured to rearwardly of the forward distal end of the tubular guide sleeve, the insertion tube being of such a character than when longitudinal force is applied thereon rearward of the forward distal end of the rigid guide sleeve, the insertion tube is urged longitudinally along the bore of the tubular guide sleeve and pushes the forward end of the insertion tube out of the tubular guide sleeve beyond the distal end thereof, thereafter pulling the sac out of the insertion tubes bore, turning the sac inside out on the outer surface of the insertion tube and laying it down along an inside surface of the body orifice.
  • a medical instrument for everting an elongated sac and inserting it into a body orifice comprising: a flexible insertion tube having a forward and rearward end; an elongated tubular sac within a bore of the insertion tube, an end portion of the sac extending from the forward end of the insertion tube; an elongated, rigid tubular guide sleeve encircling a section of the insertion tube adjacent the insertion tubes forward end, which tubular guide sleeve keeps this section of the insertion tube from laterally bending before entering a body orifice, said sacs end portion being secured to this tubular guide sleeve, whereby the insertion tube can be urged longitudinally along an inside of the tubular guide sleeve to push the forward end of the insertion tube out of the tubular guide sleeve, thus pulling the sac out of the insertion tubes bore, turning the sac inside out on an outer surface of the insertion tube and laying it down along an inside surface of a body orifice,
  • a medical instrument as set forth in claim 3 wherein the handle abuts a front end of the slot when the flexible sac is completely pulled out of the insertion tube's bore and a forward end of the insertion tube extends slightly beyond the flexible sac.
  • a medical instrument for everting an elongated sac and inserting it into a body cavity comprising: a flexible insertion tube having a forward end and a rearward end; an adapter on said rearward end for connection to a fluid conduit; an elongated tubular sac within a bore of the insertion tube and having an end portion of the sac extending from the forward end of the insertion tube; a rigid tubular guide sleeve substantially longer than the insertion tube's diameter fitting around the insertion tube, said tubular guide tube having a shield at its forward end, a pair of longitudinal slots spaced rearward of the shield, and an external finger flange spaced between said shield and slots; a handle including a rigid C-shaped tube segment fitting over the insertion tube and secured thereto, and a pair of thumb pads integrally connected to the C-shaped tube segment and extending outwardly through said slots, whereby an operator can grasp the thumb pads and finger flange and urge the insertion tube out of the tubular guide sleeve, thus causing

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • External Artificial Organs (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Endoscopes (AREA)
  • Materials For Medical Uses (AREA)
US777728A 1968-11-21 1968-11-21 Medical instrument with outrolling catheter Expired - Lifetime US3583391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77772868A 1968-11-21 1968-11-21

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US3583391A true US3583391A (en) 1971-06-08

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US (1) US3583391A (pt)
BR (1) BR6914295D0 (pt)
DE (1) DE1958561A1 (pt)
ES (1) ES373255A1 (pt)
FR (1) FR2023763A1 (pt)
GB (1) GB1265033A (pt)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3782381A (en) * 1971-11-26 1974-01-01 Johnson & Johnson Method for preventing skiving of a catheter
US3908635A (en) * 1974-06-24 1975-09-30 Nicholas F Viek Simplified catheter
US3908663A (en) * 1974-01-30 1975-09-30 Nicholas F Viek Catheter
EP0017777A2 (en) * 1979-03-19 1980-10-29 THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce Miniature catheter assembly for negotiating small diameter tortuous blood vessels
US4271839A (en) * 1979-07-25 1981-06-09 Thomas J. Fogarty Dilation catheter method and apparatus
WO1982000408A1 (en) * 1980-08-07 1982-02-18 T Fogarty Improved double lumen dilatation catheter
US4964850A (en) * 1986-05-07 1990-10-23 Vincent Bouton Method for treating trans-nasal sinus afflictions using a double t-shaped trans-nasal aerator
US5531717A (en) * 1993-12-12 1996-07-02 Rtc, Inc. Non-contaminating probe and methods of making and using same
US5676688A (en) * 1995-02-06 1997-10-14 Rtc, Inc. Variably inflatable medical device
US5779670A (en) * 1995-05-31 1998-07-14 Bidwell; Robert E. Catheter having lubricated sheathing
US5810792A (en) * 1996-04-03 1998-09-22 Icu Medical, Inc. Locking blunt cannula
US5931303A (en) * 1996-09-30 1999-08-03 Salvadori; Lawrence A. Compact, pocketed wrapping for a medical procedure kit and process for using same
US6007521A (en) * 1997-01-07 1999-12-28 Bidwell; Robert E. Drainage catheter system
US6042535A (en) * 1997-07-17 2000-03-28 Srs Medical Systems, Inc. Flow-around valve
US6093191A (en) * 1998-10-28 2000-07-25 Srs Medical, Inc. Flow-around valve with contoured fixation balloon
WO2001083017A1 (en) * 2000-05-02 2001-11-08 Wilson-Cook Medical, Inc. Introducer device for catheters o.t.l. with eversible sleeve
US20040010280A1 (en) * 2002-07-12 2004-01-15 Adams Daniel O. Device to create proximal stasis
US20040073174A1 (en) * 1991-12-18 2004-04-15 Lopez George A. Medical valve and method of use
US20070260263A1 (en) * 2006-05-04 2007-11-08 Case Brian C Self-orienting delivery system
US20090177272A1 (en) * 2007-12-18 2009-07-09 Abbate Anthony J Self-expanding devices and methods therefor
US20100043197A1 (en) * 2008-08-01 2010-02-25 Abbate Anthony J Methods and devices for crimping self-expanding devices
US20100228262A1 (en) * 2009-03-04 2010-09-09 Cully Edward H Atraumatic lead removal sheath
US20110004192A1 (en) * 2005-04-04 2011-01-06 Eaton Donald J Device and methods for treating paranasal sinus conditions
US20110046713A1 (en) * 2009-03-04 2011-02-24 Cully Edward H Atraumatic vascular graft removal sheath
US8002765B2 (en) 1995-12-15 2011-08-23 Icu Medical, Inc. Medical valve with fluid escape space
US8535707B2 (en) 2006-07-10 2013-09-17 Intersect Ent, Inc. Devices and methods for delivering active agents to the osteomeatal complex
WO2014074147A1 (en) * 2012-11-12 2014-05-15 Hollister Incorporated Intermittent catheter assembly and kit
WO2014135168A3 (en) * 2013-03-08 2014-10-30 Coloplast A/S A catheter assembly
US9456917B2 (en) 2013-08-28 2016-10-04 Ethicon Endo-Surgery, Inc. Endoscopic transoral duodenal sleeve applier
US10220185B2 (en) 2012-11-14 2019-03-05 Hollister Incorporated Disposable catheter with selectively degradable inner core
US10232152B2 (en) 2013-03-14 2019-03-19 Intersect Ent, Inc. Systems, devices, and method for treating a sinus condition
CN109758660A (zh) * 2019-02-28 2019-05-17 山东大学 一种男性内置隐藏式导尿管
US10350099B2 (en) 2006-09-01 2019-07-16 Ethicon Endo-Surgery, Inc. Devices and methods for anchoring an endoluminal sleeve in the GI tract
US10357640B2 (en) 2009-05-15 2019-07-23 Intersect Ent, Inc. Expandable devices and methods for treating a nasal or sinus condition
US10420859B2 (en) 2013-12-12 2019-09-24 Hollister Incorporated Flushable catheters
US10426918B2 (en) 2013-12-12 2019-10-01 Hollister Incorporated Flushable catheters
US10463833B2 (en) 2013-12-12 2019-11-05 Hollister Incorporated Flushable catheters
US10646688B2 (en) 2012-02-27 2020-05-12 Hollister Incorporated Catheter assembly having protective sleeve tip
WO2020153860A1 (en) 2019-01-21 2020-07-30 Univerzitet U Beogradu Minimally invasive catheter
US10821209B2 (en) 2013-11-08 2020-11-03 Hollister Incorporated Oleophilic lubricated catheters
US10874769B2 (en) 2013-12-12 2020-12-29 Hollister Incorporated Flushable disintegration catheter
US10940167B2 (en) 2012-02-10 2021-03-09 Cvdevices, Llc Methods and uses of biological tissues for various stent and other medical applications
US11185613B2 (en) 2015-06-17 2021-11-30 Hollister Incorporated Selectively water disintegrable materials and catheters made of such materials
US11291812B2 (en) 2003-03-14 2022-04-05 Intersect Ent, Inc. Sinus delivery of sustained release therapeutics
US11400257B2 (en) 2017-11-13 2022-08-02 Teleflex Life Sciences Pte. Ltd. Frictionless catheter
US11406495B2 (en) 2013-02-11 2022-08-09 Cook Medical Technologies Llc Expandable support frame and medical device
US12064577B2 (en) 2015-01-22 2024-08-20 Intersect Ent, Inc. Drug-coated balloon

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US4493711A (en) * 1982-06-25 1985-01-15 Thomas J. Fogarty Tubular extrusion catheter
ES292931Y (es) * 1986-03-13 1987-08-16 Garcia Galarraga Juan Jose Dispositivo para introducir sin arrastre o rozamiento un tubo flexible dentro de un conducto tubular.
SE465999B (sv) * 1989-06-28 1991-12-02 Leif Nilsson System foer avtappning av urinblaasan hos kvinnliga patienter
IT225683Y1 (it) * 1991-06-07 1997-01-13 Roberto Feliziani Catetere o sonda non inquinante.

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US3168092A (en) * 1961-06-15 1965-02-02 Silverman Daniel Medical probing instrument having flexible, extrudable tubing adapted to be extraverted under pressure into a body cavity
US3084693A (en) * 1961-07-31 1963-04-09 Edward R Cathcart Aseptic catheter
US3332424A (en) * 1965-02-03 1967-07-25 Discon Corp Extroversive catheter
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Cited By (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3782381A (en) * 1971-11-26 1974-01-01 Johnson & Johnson Method for preventing skiving of a catheter
US3908663A (en) * 1974-01-30 1975-09-30 Nicholas F Viek Catheter
US3908635A (en) * 1974-06-24 1975-09-30 Nicholas F Viek Simplified catheter
EP0017777A2 (en) * 1979-03-19 1980-10-29 THE UNITED STATES OF AMERICA as represented by the Secretary United States Department of Commerce Miniature catheter assembly for negotiating small diameter tortuous blood vessels
EP0017777A3 (en) * 1979-03-19 1981-01-07 Us Commerce Method and catheter assembly for negotiating small blood vessels
US4271839A (en) * 1979-07-25 1981-06-09 Thomas J. Fogarty Dilation catheter method and apparatus
WO1982000408A1 (en) * 1980-08-07 1982-02-18 T Fogarty Improved double lumen dilatation catheter
US4318410A (en) * 1980-08-07 1982-03-09 Thomas J. Fogarty Double lumen dilatation catheter
US4964850A (en) * 1986-05-07 1990-10-23 Vincent Bouton Method for treating trans-nasal sinus afflictions using a double t-shaped trans-nasal aerator
US5711841A (en) * 1991-06-07 1998-01-27 Rtc, Inc. Methods of making and using non-contaminating probes
US5897535A (en) * 1991-06-07 1999-04-27 Rtc, Inc. Non-contaminating probe and methods of making and using same
US7717887B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US20040073174A1 (en) * 1991-12-18 2004-04-15 Lopez George A. Medical valve and method of use
US7722575B2 (en) 1991-12-18 2010-05-25 Icu Medical, Inc. Medical valve and method of use
US7722576B2 (en) 1991-12-18 2010-05-25 Icu Medical, Inc. Medical valve and method of use
US7717885B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7717884B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US20060206058A1 (en) * 1991-12-18 2006-09-14 Lopez George A Medical valve and method of use
US7717883B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7717886B2 (en) 1991-12-18 2010-05-18 Icu Medical, Inc. Medical valve and method of use
US7713247B2 (en) 1991-12-18 2010-05-11 Icu Medical, Inc. Medical valve and method of use
US7713248B2 (en) 1991-12-18 2010-05-11 Icu Medical, Inc. Medical valve and method of use
US7713249B2 (en) 1991-12-18 2010-05-11 Icu Medical, Inc. Medical valve and method of use
US5531717A (en) * 1993-12-12 1996-07-02 Rtc, Inc. Non-contaminating probe and methods of making and using same
US5676688A (en) * 1995-02-06 1997-10-14 Rtc, Inc. Variably inflatable medical device
US5779670A (en) * 1995-05-31 1998-07-14 Bidwell; Robert E. Catheter having lubricated sheathing
US8002765B2 (en) 1995-12-15 2011-08-23 Icu Medical, Inc. Medical valve with fluid escape space
US5810792A (en) * 1996-04-03 1998-09-22 Icu Medical, Inc. Locking blunt cannula
US5931303A (en) * 1996-09-30 1999-08-03 Salvadori; Lawrence A. Compact, pocketed wrapping for a medical procedure kit and process for using same
US6007521A (en) * 1997-01-07 1999-12-28 Bidwell; Robert E. Drainage catheter system
US6042535A (en) * 1997-07-17 2000-03-28 Srs Medical Systems, Inc. Flow-around valve
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FR2023763A1 (pt) 1970-08-21
ES373255A1 (es) 1972-04-16
DE1958561A1 (de) 1970-06-11
GB1265033A (pt) 1972-03-01
BR6914295D0 (pt) 1973-03-07

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