WO1993004726A1 - Appareil de positionnement d'un catheter - Google Patents

Appareil de positionnement d'un catheter Download PDF

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Publication number
WO1993004726A1
WO1993004726A1 PCT/US1992/007204 US9207204W WO9304726A1 WO 1993004726 A1 WO1993004726 A1 WO 1993004726A1 US 9207204 W US9207204 W US 9207204W WO 9304726 A1 WO9304726 A1 WO 9304726A1
Authority
WO
WIPO (PCT)
Prior art keywords
catheter
cannula
needle
bladder
mark
Prior art date
Application number
PCT/US1992/007204
Other languages
English (en)
Inventor
Henri Decloux
Georges Katsaros
Giancarlo Polese
Original Assignee
Sherwood Medical Company
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 Sherwood Medical Company filed Critical Sherwood Medical Company
Publication of WO1993004726A1 publication Critical patent/WO1993004726A1/fr

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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
    • A61M25/06—Body-piercing guide needles or the like
    • 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
    • A61M25/02—Holding devices, e.g. on the body
    • 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
    • A61M2025/0191—Suprapubic 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
    • A61M25/02—Holding devices, e.g. on the body
    • A61M2025/024—Holding devices, e.g. on the body having a clip or clamp system
    • 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
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0662—Guide tubes
    • A61M25/0668—Guide tubes splittable, tear apart

Definitions

  • the present invention relates generally to apparatus and methods of catheterization, including kits for catheter- ization apparatus. More specifically, the present invention relates to an apparatus, method and kit for placement of a suprapubic catheter into the bladder of a patient.
  • Suprapubic catheterization is often necessary in con- junction with medical procedures, especially when urologi- cal, or other lower abdominal surgical operations are per ⁇ formed.
  • urethral catheterization has in the past been performed in conjunction with such operations, results have often been less than satisfactory due to high instances of infection, and significant patient inconvenience in regaining normal, spontaneous urination capability.
  • Supra ⁇ pubic catheterization has the advantage of reduced incidence of infection, and also allows the patient to urinate normal ⁇ ly if desired, without the prior necessity of removing the catheter as is required with urethral catheterization.
  • a suprapubic catheterization kit which includes the necessary elements of the suprapubic catheterization appara ⁇ tus for simple and efficient catheterization of a patient.
  • the needle is used to puncture the abdominal wall and pierce into the bladder of a patient while the syringe (if used) draws a light suction through the needle to cause urine to be drawn thereinto upon suc ⁇ cessful puncturing of the patient's bladder.
  • the needle may include a needle mark thereon and the cannula may include a cannula mark thereon if desired at predetermined locations whereby, when the needle is partially withdrawn from the cannula to a position where the needle mark thereon becomes exposed and rests adjacent the cannula proximal opening, the cannula may be kinked at the cannula mark without interfer ⁇ ence from the needle.
  • An elongate catheter is also provided as part of the suprapubic catheterization apparatus and may have a connec- . tor formed on its proximal end to allow connection to a urine drainage bag.
  • the distal end of the catheter is closed and rounded to avoid trauma to the patient, and a portion of the catheter body adjacent the distal end may be pre-formed to retain a semicoiled (pigtail) shape, with several inches of the length thereof being formed with openings to maximize the catheter's fluid collection capa ⁇ bilities.
  • the catheter is preferably covered in a soft thin plastic sleeve prior to use in order to maintain its steril ⁇ ity.
  • the catheter may be made of a very soft and somewhat slippery material, such as silicone, to allow it to be "stripped” or “milked” during use in order to clear obstructions therein during use.
  • the proximal portion of the catheter may be extended from the sleeve and a clamp may be placed there over to pinch the catheter closed and prevent fluid flow there through until the procedure is completed.
  • the distal end of the catheter is then extended from the sleeve and inserted into the cannula up to the cannula mark. If the cannula had been kinked to avoid leakage it is then straightened, re ⁇ leasing the kink therein, and the catheter is inserted through the cannula into the bladder.
  • the catheter further may include a catheter mark thereon which, when the catheter is inserted into the cannula up to the catheter mark, indi- cates that the distal end of the catheter is properly posi ⁇ tioned in the bladder. The cannula is then removed and split away from the catheter and discarded, and the sleeve is also torn away and discarded.
  • the suprapubic catheterization apparatus of the present invention may also include a fixation device (or devices) for securing the catheter in position in the bladder.
  • the one preferred device is preferably formed generally of an oval piece of flexible polymeric material through which an elongate undulating channel is formed. The channel is accessible by the catheter through an elongate slot which extends along the entire length of the channel and through which the catheter is inserted to be secured in the chamber.
  • This fixation device may further. include wing members ex ⁇ tending therefrom in opposing directions which are adapted to allow it to be secured either by adhesive, tape, sutures or the like to the patient's abdomen.
  • a second preferred fixation device is formed generally of a flat cylindrical base having a cylindrical extension extending perpendicularly from the center of the disk and forming a cylindrical shoulder at its top.
  • the extension has a cylindrical opening therethrough extending from the shoulder through the disk through which the catheter may be inserted once completely and properly positioned in the patient's bladder.
  • the disk can include an adhesive or suture holes for attaching it to the patient's abdomen at the insertion site of the catheter.
  • the fixation device further includes a clamp which can surround the cylindrical extension above the disk and below the shoulder and which can be clamped to compress the cylindrical extension about the catheter to inhibit relative movement thereof.
  • the proxi ⁇ mal end of the catheter is then connected to a urine drain ⁇ age bag and the clamp if used to block fluid flow through the catheter is removed therefrom in order to allow flow of urine from the bladder through the catheter into the drain- age bag.
  • Figure 1 shows a preferred embodiment of a suprapubic catheterization apparatus formed in accordance with the principles of the present invention
  • Figure 2 shows a subassembly of the suprapubic cathe ⁇ terization apparatus of the present invention including the syringe, needle and cannula assembled for use;
  • Figure 3 is a top view of a preferred embodiment of a catheter fixation device for use in conjunction with the suprapubic catheterization apparatus of the present inven ⁇ tion;
  • Figure 4 is a side view of the fixation device of Figure 3;
  • Figure 5 is a bottom view of the fixation device of Figure 3, showing the geometry of the catheter channel therein;
  • Figures 6 and 7 are representations of alternative geometries of the catheter channel of the fixation device of Figures 3 - 5;
  • Figure 8 is a top view of a second preferred embodiment of a catheter fixation device for use in conjunction with the suprapubic catheterization apparatus of the present invention;
  • Figure 9 is a top view of a preferred embodiment of a clamping mechanism used in conjunction with the catheter of the present invention and/or the fixation device of Figure 8;
  • Figure 10 is a side view of the fixation device of Figure 8;
  • Figure 11 is a top view of the fixation device shown in Figure 8 with the clamp device shown in Figure 9 affixed thereto in the open position;
  • Figure 12 is a top view of the fixation device and clamp of Figure 11 with the clamp in the closed position;
  • Figure 13 shows a catheter formed in accordance with the principles of the present invention in an initial stage of preparation for the suprapubic catheterization procedure of the present invention;
  • Figure 14 shows a preferred step of the catheterization procedure of the present invention which includes piercing the abdominal wall with the needle to insert the splittable cannula into the bladder;
  • Figure 15 shows a subsequent preferred step in the catheterization procedure of the present invention which includes partial removal of the needle from the splittable cannula;
  • Figure 16 shows a subsequent preferred step of the catheterization procedure of the present invention which includes kinking the splittable cannula and inserting a portion of the catheter therein;
  • Figure 17 shows a subsequent preferred step of the catheterization procedure of the present invention which includes inserting the distal portion of the catheter through the cannula into the patient's bladder;
  • Figure 18 shows a subsequent preferred step of the catheterization procedure of the present invention which includes removing the splittable cannula from the abdominal wall and splitting it away from the catheter; and
  • Figure 19 shows a subsequent preferred step of the catheterization procedure of the present invention which includes attaching the catheter to the abdominal wall of the patient with the fixation devices.
  • BEST MODE(S) FOR CARRYING OUT THE INVENTION As shown in the exemplary drawings for the purposes of illustration, an embodiment of a catheterization apparatus made in accordance with the principles of the present inven- tion, referred to generally by the reference numeral 10, is provided for suprapubic insertion of a catheter into the bladder of a patient.
  • the apparatus 10 of the present invention includes a needle 11 over which a splittable cannula 12 is to be placed and to which a syringe 13 may be attached (see Figure 2) .
  • the apparatus 10 also includes a catheter 14 which is sized to be insertable within the splittable cannula 12 once the needle 11 is removed therefrom, and which is formed of a sufficient length to extend from the exterior of the patient through the patient's abdominal wall and well into the bladder.
  • a closing device such as slidable clamp 15 may be used if desired to clamp catheter 14 against fluid flow there through during the placement procedure.
  • a fixation device 51 and/or 16 may be used to fix the catheter 14 in proper position within the patient's bladder, and to prevent inadvertent relative movement respectively, between the fixation device 16 and the catheter 14 while in use.
  • the needle 11 is formed of an elongate hollow body portion 17 having a sharp distal tip 18 formed at the distal end 19 thereof, and a hub 20 having threading 21 thereon formed at the proximal end 22 for fluid tight attachment with syringe 13.
  • a needle mark 23 may be located on the needle body 17 at a predetermined distance from the tip 18 to be used in conjunction with the splittable cannula 12 during the catheterization procedure to give indication to the user of the location of the tip 18 within the cannula 12 for purposes as will be explained below.
  • the splittable cannula 12 is formed of an elongate hollow cannula body 24 of polymeric material, which has formed at its proximal end 25, a hub 26 which is shaped to conform with the needle hub 20.
  • the cannula body 24 and hub 26 are weakened at two diametrically opposed locations by score lines 27 so that a medical worker, as part the cathe ⁇ terization procedure, can grip the hub 26 by the gripping wings 28 thereof, and split the hub 26 and body portion 24 along their entire length.
  • the hollow cannula body 24 is sized to snugly fit over the hollow needle body 17 and is of a length so as to extend from the hub 20 to the distal end 19 of the needle 11 when hub 26 and hub 20 are properly connected. With the cannula 12 in place over the needle 11, the tip 18 of the needle 11 extends from the distal end 29 of the cannula body 24 a distance approximately equal to or slightly greater than the sharpened portion thereof.
  • the syringe 13, if used in the procedure, is attachable to the needle 11 at hub 20 thereof by matching the internal- ly threaded end 30 with threads 21, allowing plunger 31 to draw suction through the needle 11 in a well known manner.
  • the catheter 14 includes an elongate hollow catheter body 32 which has a connector 34 formed at its proximal end 33.
  • the connector 34 is designed for connection to a urine drainage bag (not shown) in a well known manner. It is to be understood that any well known type connector.34 may be formed at proximal end 33 of the catheter 14 to allow at ⁇ tachment to any design of drainage bag, and the invention is not intended to be limited in any way by the particular connector 34 shown in the drawings.
  • the distal portion of catheter body 32 is preferably formed into a pigtail 35, including a plurality of inlet openings 36 extending uniformly therearound from the distal end 37 around at least a portion of the pigtail.
  • the cathe- ter body 32 also may include a catheter mark 38 thereon if desired, located a predetermined distance from the distal end 37. If the catheter mark 38 is placed on the catheter body 32, its position is predetermined to correspond to the distance necessary to allow insertion of the catheter 14 into the splittable cannula 12 such that the pigtail 35 is properly inserted into the patient's bladder when the cathe ⁇ ter mark 38 is just visible at the hub 26 of the splittable cannula 12.
  • the catheter may be formed of any well known material but is preferably formed of silicone.
  • the slide clamp 15, as shown in the drawings, is a generally flat rigid member having a pair of arms 39 which form a slot 40 therebetween.
  • the clamp 15 is sized to allow the catheter body 32 to be placed therein and pinched closed at slot 40 to prevent fluid flow therethrough during cathe ⁇ ter placement into the bladder.
  • the fixation device 16 of the present invention is preferably formed of a single molded piece of elastomeric material and includes a central body portion 43 which is shown in its preferred form as generally flat and ovular in shape, but which also may be formed of any other general geometry if desired.
  • the fixa ⁇ tion device 16 also has formed thereon on a pair of diamet ⁇ rically opposed wing members 44 which, in conjunction with the central body portion 43, form a continuous flat bottom surface 45 which is intended to be placed next to, and in contact with, the abdomen of the patient while in use.
  • the central body portion 43 forms a channel 46 of circular cross-section which extends generally longitudinally there ⁇ through between the wing members 44.
  • the channel 46 is accessed through slot 47 which extends from surface 45 into channel 46 along the entire length thereof.
  • the channel 46 is formed of a diameter which allows the catheter body 32 to be snugly received therein, and is formed of a generally undulating geometry.
  • the undulating shape of channel 46 causes the catheter body 32, once placed therein, to encounter significant frictional resistance when subjected to pulling forces.
  • the catheter body 32 is prevented from moving through the channel 46 as a result of pulling forces along the longitudinal axis of the catheter body 32 due to the channel's 26 undulating shape.
  • the bottom surface 45 of the fixation device 16 may be coated with an adhesive of any well known type, or alterna ⁇ tively may include openings 48 through the wing members 44 to accept sutures for securing to the patient's body.
  • the device 16 may be formed of any relatively flexible material, although it is preferably formed of an elastomeric elastomer such as styrene ethylene butylene styrene.
  • the important features of the channel 46 are its snug fitting relationship with the catheter body 32, and its undulating shape.
  • the diameter of channel 46 may be equal to or slightly different (larger or smaller) than the diameter of the catheter body 32 as de ⁇ sired, as long as it is sufficiently snug with the catheter body 32 to contact a substantial portion of the length thereof located within the channel 46 in such a manner as to frictionally resist longitudinal movement therethrough.
  • the channel 46 may be formed of any desired undulating shape, such as that shown in Figure 5, or alternatively, as shown by the undulating geometries of Figures 4 and 7.
  • the fixation device 51 of the present invention is preferably formed of a single molded piece of elastomeric material and includes a central cylindrical portion 53 having a relatively large diameter cylindrical disk 54 attached at one end thereof, and a smaller cylindrical shoulder 55 attached at the opposite end thereof.
  • the cylindrical portion 53 further includes a cylindrical opening passing through the central longitudinal axis thereof and extending through the disk 54 and shoulder 55.
  • the disk 54 forms a bottom surface 57 which is placed adjacent to the abdomen of the patient during use, and held in position either by adhesive (not shown) or by sutures (not shown) attached through suture holes 58, or both as desired.
  • the cylindrical opening 56 is sized to a diameter generally equal to the outer diameter of the catheter body 32.
  • the clamp 52 includes a pair of arms 59 which are joined as an integral piece of material and which form a generally circular opening 60 sized to be slightly smaller in diameter than the outer diameter of the cylindrical member 53 of the fixation device 51 (see Figure 10) .
  • Arms 59 are shaped to form interlocking ends 61 and 62 which function to hold the clamp 52 in its closed position against a natural open bias of the arms 59.
  • the clamp 52 is placed around the fixation device 51 such that the opening 60 thereof sur ⁇ rounds the cylindrical member 53.
  • the clamp 52 is formed to be open in its unbiased position to simplify its placement on the fixation device 51.
  • the arms 59 of the clamp 52 can be squeezed, such as by a medical worker's fingers, to cause locking members 61 and 62 to interconnect into their locked position.
  • the clamp 52 squeezes the cylindrical member 53 and thus reduces the diameter of the cylindrical opening 56 which in turn squeezes against the catheter body 32 such that a frictional resistance is gener ⁇ ated between the cylindrical opening 56 and the catheter body 32 to prevent relative movement therebetween.
  • FIGs 13 through 19 illustrate the various steps of the catheterization procedure of the present invention.
  • the catheter sleeve 42 may be slid down from the connector 34 and proxi ⁇ mal portion 33 of the catheter body 32 in order to expose a sufficient length of the catheter body 32 to allow the placement of slide clamp 15 thereover.
  • the clamp 15 is slid to its clamping position in which the catheter body 32 is pinched within the slot 40 thereof.
  • This assembly is then set aside momentarily until it is needed in a subsequent step of the procedure as will be explained. It should be understood that, although the particular slide clamp 15 is shown and described for this use, any clamping device capa- ble of closing off fluid flow through the catheter is con ⁇ templated, and intended to call within the scope of the invention.
  • the needle 11 is covered with a splittable cannula 12, and if desired, attached to the syringe 13 in the manner has been shown and described in relation to Figure 2 above. Then, with the protective cannula sleeve 41 removed from the splittable cannula 12, the tip 18 of the needle is pierced through the patient's abdominal wall 49 into the patient's bladder 50 a sufficient distance to fully insert the distal end 29 of the splittable cannula 12 within the bladder 50.
  • the plunger 31 thereof is slightly withdrawn to cause a suction through the needle 11 so that bladder fluid from the bladder will enter the syringe 13 and become visible to the medical worker upon entrance of the distal end 19 of the needle into the bladder 50.
  • the presence of bladder fluid in the syringe 13 gives an indication to the medical worker that the bladder 50 has been successfully entered by the needle 11.
  • the needle 11 can be partially with- drawn in the manner shown in Figure 15 to the position where the needle mark 23 is just visible beyond the cannula hub 26.
  • the tip 18 of the needle 11 is located within the splittable cannula 12 at a position immediately behind the position of the cannula mark 30. In this position, fluid can flow from the bladder 50 through the distal end 29 of the splittable cannula 12 and pass therethrough up to the cannula mark 30.
  • the splittable cannula 12 can then be kinked at the cannula mark 30 to prevent fluid from passing proximally thereof, and the needle 11 can be completely withdrawn.
  • the catheter assembly previously prepared as described in relation with Figure 13 above, is now further prepared for insertion into the cannula 12 by sliding catheter sleeve 42 away from the distal end 37 thereof, to allow end 37 to be slid into the splittable cannula 12.
  • the catheter sleeve 42 is pushed away from the catheter body 32 by the hub 26, thus maintaining sterility of the catheter body 32 as it enters the cannula 12.
  • the cannula 12 can be unkinked and restraightened to allow the catheter body 32 to continue to be inserted therethrough until the pigtail 35 thereof becomes located within the bladder 50.
  • Insertion of the catheter body 32 is continued until the catheter mark 38 thereon is positioned adjacent the hub 26, which position assures that the proper amount of the catheter 14 has been inserted into the bladder 50.
  • the splittable cannula 12 is removed from the bladder 50 and the abdominal wall 49 and split by separating gripping wings 28 of the hub 26 and continuing separation until the entire catheter body 24 is separated into two pieces.
  • the cathe ⁇ ter sleeve 42 may be split or cut and removed also.
  • the catheter 14 is now prepared to be affixed to the patient's abdomen.
  • fixation devices 16 and/or 51' respectively may be used to affix the catheter 14 to the patient's abdomen. If it is desired to use the fixation device 51 to aid in fixing the catheter 14 to the patient's abdomen, it is necessary that the portion of the catheterization procedure described in relation to Figure 16 be modified such that the distal end 37 of the catheter 14 is passed through the cylindrical opening 56 of the fixation device 51 just prior to being inserted into the cannula 12.
  • the fixation device 16 is squeezed in the medical worker's hand in such a way as to cause the bottom surface 45 thereof to be forced into a convex shape and drawn open the slot 47 to the greatest extent possible.
  • the catheter 14 is then placed therein such that a portion of the cathe- ter body 32 is inserted along the entire length of the channel 46.
  • the bottom surface 45 is then allowed to return to its flat configuration, causing the slot 47 to return to its pre-formed shape and substantially enclose the catheter body 32 within the channel 46.
  • the fixation device 16 is then secured to the patient's abdomen either by means of adhesive or sutures (or both) .
  • Movement of the catheter body 32 relative to the fixation device 16 is thereafter inhibited by the frictional fit thereof with the undulating channel 26, which in turn prevents subsequent movement of the cathe ⁇ ter 14 into or out of the bladder 50 due to any subsequent inadvertent force applied thereto.
  • the connector 34 of the catheter 14 is then attached to a urine drainage bag (not shown) in a well known manner, and the slide clamp 15 (if it had been used to close the catheter 14 against fluid flow) is completely removed from a catheter body 32 to allow fluid to flow from the bladder 50, through the catheter 14 and into the drainage bag.

Abstract

Un système de cathétérisation suprapubique comprend un kit constitué de préférence d'une aiguille (11) recouvrable par une canule pouvant être fendue (12) et un cathéter d'évacuation d'urine (14). L'aiguille (11), la canule (12) et le cathéter (14) peuvent présenter chacun une marque située longitudinalement afin d'être utilisé comme repère visuel par l'utilisateur effectuant la cathétérisation. Les éventuels repères sur la canule (12) et l'aiguille (11) sont situés dans des positions prédéterminées de sorte que, une fois la canule (12) positionnée dans la vessie (50) et l'aiguille (11) partiellement retirée de la canule (12) dans une position indiquée par la marque (17) sur l'aiguille, la canule (12) peut être vrillée en une position indiquée par le repère (30) sur la canule afin d'empêcher le passage accidentel de fluide à travers la canule (12) pendant le processus de positionnement. Le cathéter (14) peut également porter une marque se trouvant en une position prédéterminée afin d'indiquer la profondeur appropriée d'introduction du cathéter (14) dans la canule (12), correspondant au placement approprié du cathéter (14) dans la vessie (50) du patient. Le système de cathétérisation peut également comprendre une bride (15) destinée à fermer le cathéter (14) pour empêcher l'écoulement de fluide à travers ce dernier pendant le processus de cathétérisation, et au moins un dispositif de fixation (16, 51) du cathéter (14) pour fixer ce dernier sur l'abdomen du patient dans sa position appropriée pour empêcher les mouvements par inadvertance du cathéter pendant son utilisation. L'invention décrit également une procédure unique de cathétérisation suprapubique et un kit unique de cathétérisation s'utilisant dans cette procédure.
PCT/US1992/007204 1991-09-05 1992-08-25 Appareil de positionnement d'un catheter WO1993004726A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75525691A 1991-09-05 1991-09-05
US07/755,256 1991-09-05

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WO1993004726A1 true WO1993004726A1 (fr) 1993-03-18

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WO (1) WO1993004726A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772472A1 (fr) * 1994-07-28 1997-05-14 Medisys Technologies, Inc. Appareil de fixation de tubulure intraveineuse ou intracavitaire
US5735819A (en) * 1996-08-02 1998-04-07 Cook Incorporated Tear-apart member for positioning a grommet carried thereon
US7666165B2 (en) 2006-07-06 2010-02-23 Warsaw Orthopedic, Inc. Cannulated sensing device
US7744574B2 (en) 2004-12-16 2010-06-29 Boston Scientific Scimed, Inc. Catheter tip to reduce wire lock
US8043282B2 (en) 2005-08-12 2011-10-25 Cook Medical Technologies Llc Drainage catheter with extended inflation lumen
GB2484719A (en) * 2010-10-21 2012-04-25 Andrew Levy Tube anchor with channel
WO2014158616A1 (fr) * 2013-03-14 2014-10-02 Brennan H George Canule de drainage ayant une languette d'ancrage
CN104147683A (zh) * 2014-08-28 2014-11-19 河南科技大学第一附属医院 一种用于留置导尿管的尿道探子
US9480827B2 (en) 2013-03-14 2016-11-01 H. George Brennan Drainage cannula with anchor tab

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2133130A (en) * 1936-12-11 1938-10-11 Buchstein Ferdinand Supra-pubic drain appliance
US4029103A (en) * 1975-08-11 1977-06-14 Mcconnell Francis P Anchoring plate for medical tubes
WO1982003778A1 (fr) * 1981-04-30 1982-11-11 Baxter Travenol Lab Dispositif d'introduction d'un catheter pelable
US4392853A (en) * 1981-03-16 1983-07-12 Rudolph Muto Sterile assembly for protecting and fastening an indwelling device
GB2115290A (en) * 1982-02-18 1983-09-07 Clive Ian Pratt Medical cannula location device
EP0227907A2 (fr) * 1985-10-28 1987-07-08 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Tube de guidage d'un instrument médical et ensemble comprenant celui-ci
GB2205751A (en) * 1987-06-04 1988-12-21 Femcare Ltd Insertion of catheters
EP0310224A1 (fr) * 1987-09-15 1989-04-05 H.G. Wallace Limited Assemblage à cathéter et à fourreau

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2133130A (en) * 1936-12-11 1938-10-11 Buchstein Ferdinand Supra-pubic drain appliance
US4029103A (en) * 1975-08-11 1977-06-14 Mcconnell Francis P Anchoring plate for medical tubes
US4392853A (en) * 1981-03-16 1983-07-12 Rudolph Muto Sterile assembly for protecting and fastening an indwelling device
WO1982003778A1 (fr) * 1981-04-30 1982-11-11 Baxter Travenol Lab Dispositif d'introduction d'un catheter pelable
GB2115290A (en) * 1982-02-18 1983-09-07 Clive Ian Pratt Medical cannula location device
EP0227907A2 (fr) * 1985-10-28 1987-07-08 TERUMO KABUSHIKI KAISHA trading as TERUMO CORPORATION Tube de guidage d'un instrument médical et ensemble comprenant celui-ci
GB2205751A (en) * 1987-06-04 1988-12-21 Femcare Ltd Insertion of catheters
EP0310224A1 (fr) * 1987-09-15 1989-04-05 H.G. Wallace Limited Assemblage à cathéter et à fourreau

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0772472A1 (fr) * 1994-07-28 1997-05-14 Medisys Technologies, Inc. Appareil de fixation de tubulure intraveineuse ou intracavitaire
EP0772472A4 (fr) * 1994-07-28 1998-06-17 Medisys Technologies Inc Appareil de fixation de tubulure intraveineuse ou intracavitaire
US5735819A (en) * 1996-08-02 1998-04-07 Cook Incorporated Tear-apart member for positioning a grommet carried thereon
US7744574B2 (en) 2004-12-16 2010-06-29 Boston Scientific Scimed, Inc. Catheter tip to reduce wire lock
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