US20020099326A1 - Multi-lumen catheter with attachable hub - Google Patents

Multi-lumen catheter with attachable hub Download PDF

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Publication number
US20020099326A1
US20020099326A1 US09/769,052 US76905201A US2002099326A1 US 20020099326 A1 US20020099326 A1 US 20020099326A1 US 76905201 A US76905201 A US 76905201A US 2002099326 A1 US2002099326 A1 US 2002099326A1
Authority
US
United States
Prior art keywords
lumen
distal portion
proximal portion
cannula
catheter
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.)
Abandoned
Application number
US09/769,052
Other languages
English (en)
Inventor
Jon Wilson
Carl Fleming
Kenneth Cassidy
Ronald Boyd
Gary Fleming
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.)
Arrow International LLC
Original Assignee
Diatek Inc
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 Diatek Inc filed Critical Diatek Inc
Priority to US09/769,052 priority Critical patent/US20020099326A1/en
Assigned to DIATEK, INC. reassignment DIATEK, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOYD, RONALD DEAN, CASSIDY, KENNETH TODD, WILSON, JON SCOTT, FLEMING, CARL MICHAEL, FLEMING, GARY STEVEN
Priority to ES02705931T priority patent/ES2307727T3/es
Priority to AU2002240049A priority patent/AU2002240049B2/en
Priority to CA002435697A priority patent/CA2435697C/en
Priority to PCT/US2002/001996 priority patent/WO2002058776A2/en
Priority to JP2002559106A priority patent/JP2004526481A/ja
Priority to CZ20032071A priority patent/CZ20032071A3/cs
Priority to MXPA03006558A priority patent/MXPA03006558A/es
Priority to PT02705931T priority patent/PT1353719E/pt
Priority to DE60226701T priority patent/DE60226701D1/de
Priority to CNB028053559A priority patent/CN1223384C/zh
Priority to AT02705931T priority patent/ATE395945T1/de
Priority to EP02705931A priority patent/EP1353719B1/en
Priority to US10/086,033 priority patent/US6638242B2/en
Publication of US20020099326A1 publication Critical patent/US20020099326A1/en
Priority to US10/231,748 priority patent/US6872198B1/en
Priority to US10/251,411 priority patent/US7300430B2/en
Assigned to ARROW INTERNATIONAL, INC. reassignment ARROW INTERNATIONAL, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DIATEK, INC.
Priority to US10/612,532 priority patent/US7381204B2/en
Priority to US10/796,495 priority patent/US7749185B2/en
Priority to US10/797,363 priority patent/US20040171997A1/en
Priority to US11/861,722 priority patent/US7833214B2/en
Abandoned 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M25/0029—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the middle part of the catheter, e.g. slots, flaps, valves, cuffs, apertures, notches, grooves or rapid exchange ports
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
    • A61M1/3659—Cannulae pertaining to extracorporeal circulation
    • 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
    • A61M25/0097—Catheters; Hollow probes characterised by the hub
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M25/003—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves
    • A61M2025/0031—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves characterized by lumina for withdrawing or delivering, i.e. used for extracorporeal circuit treatment
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M2025/0034—Multi-lumen catheters with stationary elements characterized by elements which are assembled, connected or fused, e.g. splittable tubes, outer sheaths creating lumina or separate cores
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M2025/0037—Multi-lumen catheters with stationary elements characterized by lumina being arranged side-by-side
    • 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
    • A61M2025/0098—Catheters; Hollow probes having a strain relief at the proximal end, e.g. sleeve
    • 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
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026—Multi-lumen catheters with stationary elements
    • A61M25/0028—Multi-lumen catheters with stationary elements characterized by features relating to at least one lumen located at the proximal part of the catheter, e.g. alterations in lumen shape or valves

Definitions

  • the present invention relates generally to medical instrumentation and more specifically to a multi-lumen catheter with a selectively attachable hub assembly that allows the catheter tip to be positioned accurately prior to subcutaneous tunneling.
  • Catheters generally, are hollow, flexible tubes for insertion into a body cavity, duct, or vessel to allow the passage of fluids or distend a passageway. Catheters are often used for temporary or long-term dialysis treatment. Dialysis treatment provides for blood to be withdrawn from the patient, purified, and then returned to the patient. Thus, in dialysis treatment, catheters are used to allow passage of a patient's blood into and out of the patient's body. For optimal performance during dialysis treatment, the catheter tips, both in-flow and outflow, should be placed in close proximity to the heart. Typically, medical personnel use either a double lumen catheter or two single lumen catheters. Both types, however, present certain deficiencies.
  • double lumen catheters e.g., U.S. Pat. No. 4,895,561
  • double lumen catheters typically do not provide for accuracy of catheter tip placement. Due to differences among patients, optimal tip position varies from patient to patient. Non-optimal tip position may significantly lower flow values, resulting in less effective dialysis treatment.
  • a physician must make an estimate regarding the appropriate catheter tube length prior to beginning the procedure of catheterization. Then, a subcutaneous tunnel is made from the preferred end position of the hub assembly, namely, away from the neck of the patient in order to allow for more convenient access to the dialysis treatment equipment. The double lumen catheter tube is then tunneled forwardly into the patient's vein. The initial estimate and subsequent forward tunneling may result in less than optimal tip placement.
  • the present invention is a double lumen catheter with a selectively detachable hub assembly that allows the catheter tip to be positioned accurately within a patient's vein prior to subcutaneous tunneling.
  • the distal end of the catheter tube is not permanently attached to the hub assembly. Therefore, the catheter may be reverse tunneled after the tips have been positioned.
  • the hub assembly includes at least two cannulae that coordinate and correspond to the at least two lumen at the distal end of the catheter tube.
  • a connection cover and a malleable compression sleeve are secured into place.
  • the connection cover is threaded to mate with a threaded connection on the hub assembly. The connection cover and the compression sleeve together create force to prevent inadvertent separation of the catheter tube from the hub assembly.
  • FIG. 1 is an exploded, perspective view of a multi-lumen catheter assembly of the present invention.
  • FIG. 2 is an enlarged, exploded, perspective view of a hub assembly of the multi-lumen catheter assembly of the present invention, including a first cross-sectional view of the hub body.
  • FIG. 3 is an enlarged, exploded, perspective view of the hub assembly and distal portion of a catheter tube of the present invention, including the first cross-sectional view of the hub body.
  • FIG. 4 is a first cross-sectional view of the catheter tube of the multi-lumen catheter of the present invention.
  • FIG. 5 is an enlarged perspective view of the catheter tube of the present invention.
  • FIG. 6 is a perspective view of an assembled multi-lumen catheter assembly of the present invention.
  • the present invention is a multi-lumen catheter assembly 10 having a selectively attachable hub assembly 20 .
  • a multi-lumen catheter tube 12 is formed with a proximal portion 12 a and a distal portion 12 b .
  • the distal portion 12 b of the catheter tube 12 is selectively attachable to the proximal portion 20 a of the hub assembly 20 .
  • the hub assembly 20 may be attached to the catheter tube 12 after insertion of the proximal portion 12 a of the catheter tube, including tips 14 and 16 , into a patient.
  • the hub assembly 20 has a first cannula 22 and a second cannula 24 .
  • Each of the cannulae has a proximal portion 22 a and 24 a , respectively, and a distal portion 22 b and 24 b , respectively.
  • each cannulae 22 and 24 has an associated extension tube, 26 and 28 respectively.
  • Each of the extension tubes 26 and 28 has a proximal portion 26 a and 28 a , respectively, and a distal portion 26 b and 28 b , respectively.
  • Each of the extension tubes 26 and 28 are in fluid communication with the first cannula 22 and second cannula 24 , respectively, through appropriate connection of respective proximal and distal portions, namely connection of the cannulae distal portions 22 b and 24 b with extension tube proximal portions 26 a and 28 a , respectively. While the drawings depict the hub assembly with two cannulae, any appropriate configuration and number of cannulae should be considered within the scope of the present invention.
  • the hub body 21 is formed to maintain the angle A between the first extension tube 26 and the second extension tube 28 at about 15 degrees. This angle is preferred based upon the necessity for connecting the catheter assembly 10 to the fluid conveying device, e.g., dialysis equipment.
  • the hub assembly 20 further includes a first connector 30 and a second connector 32 .
  • the connectors 30 , 32 may be luer fittings, as are known in the art.
  • the first connector 30 is securely attached to the distal portion of the first extension tube 26 b and the second connector 32 is securely attached to the distal portion of the second extension tube 28 b .
  • Each of the connectors 30 , 32 preferably is attachable to a fluid conveying device (not shown), such as dialysis equipment, as is known in the art.
  • a fluid conveying device not shown
  • the respective cannulae 22 and 24 are in fluid communication with extension tubes 26 and 28 , respectively. Therefore, the cannulae 22 , 24 provide for respective in-flow and out-flow operation of the fluid conveying device.
  • Each extension tube 26 and 28 has a clamp, 42 and 44 , respectively, for clamping the extension tubes 26 and 28 when the catheter assembly 10 is not connected to a fluid conveying device.
  • the hub body 21 has two suture wings 38 and 40 , which can be used to suture the catheter assembly 10 to the patient to maintain the position of the catheter assembly 10 after insertion into the patient.
  • the hub assembly 20 preferably is formed such that each proximal end of the cannulae 22 a and 24 a has a generally D-shaped cross-section.
  • the distal portion of each of the cannulae 22 b and 24 b has a generally O-shaped cross-section.
  • the proximal portions 26 a and 28 a of each of the extension tubes 26 and 28 a have a generally O-shaped cross-section and are configured to receive the distal portions 22 b and 24 b of the respective first and second cannulae 22 and 24 .
  • the shape and cross-section configuration of the cannulae 22 , 24 the extension tubes 26 , 28 and the lumens 13 , 17 of the catheter tube 12 may be varied, and, thus, the scope of the present invention should not be limited to the above-described preferred configuration.
  • a hub body 21 is formed around the proximal portions of each of the extension tubes and the distal portions of each of the cannulae. As illustrated in FIG. 2, the hub body 21 provides for protection against disconnection of the several connections between cannulae 22 , 24 and extension tubes 26 , 28 . Further, the hub body 21 provides a structure for connection with the catheter tube 12 . More specifically, hub body 21 has a proximal portion 21 a and a distal portion 21 b .
  • the hub body 21 is selectively attachable to the distal portion 12 b of the catheter tube 12 so as to provide fluid communication between the respective cannulae 22 and 24 (via proximal portions of the cannula 22 a and 24 a ) with the lumens 13 and 17 , respectively, of the catheter tube 12 , which is discussed in more detail below.
  • the catheter tube 12 has a first lumen 13 and second lumen 17 .
  • Each of the first and second lumen 13 , 17 has a generally D-shaped cross-section.
  • a longitudinally extending septum 15 defines each lumen 13 , 17 up through the distal portion of the catheter tube 12 b , as shown in FIG. 4. Therefore, each lumen 13 , 17 connects to a respective cannula 22 , 24 for fluid communication therewith.
  • each lumen 13 , 17 of the distal portion 12 b of the catheter tube 12 , and the proximal ends 22 a and 24 a of the cannulae 22 and 24 are correspondingly marked by an indicator, such as a color, to ensure proper matched correspondence upon connection.
  • an indicator such as a color
  • tips 14 , 16 , extension tubes 26 , 28 and connectors 30 , 32 follow the same marking pattern.
  • tip 14 , the lumen 13 , cannula 22 , extension tube 26 , and connector 30 are marked with a first indicator (e.g., the color blue), while tip 16 , lumen 17 , cannula 24 , extension tube 28 , and connector 32 are marked with a second indicator (e.g., the color red).
  • a first indicator e.g., the color blue
  • tip 16 , lumen 17 , cannula 24 , extension tube 28 , and connector 32 are marked with a second indicator (e.g., the color red).
  • the first indicator is associated with one of the lumens and a second indicator is associated with the other lumen, such that the first indicator and the second indicator define a correspondence between that lumen and an associated cannula, extension tube, and connector.
  • the indicator may be a visual indicator such as color
  • the invention is described with a preferred embodiment containing two cannulae and a dual-lumen catheter.
  • the present invention should not be limited, however, to this preferred embodiment and other appropriate configurations should be considered within the scope of the present invention.
  • the catheter tube and corresponding cannulae may be a series of concentric tubes of varying diameter.
  • the assembly 10 may provide a similar configuration to that described hereinabove with three (or more) cannulae and a triple (or more) lumen catheter tube.
  • the preferred embodiment includes two cannulae with a dual-lumen catheter tube.
  • connection between the proximal portions 22 a , 24 a of the cannulae 22 , 24 and the lumens 13 and 17 at the distal portion 12 b of the catheter tube 12 is an overlapping fitted connection.
  • any other appropriate fastening means, such as detents may be used.
  • connection cover 34 having a proximal portion 34 a and a distal portion 34 b .
  • Connection cover 34 should fit axially about the distal portion 12 b of the catheter tube 12 .
  • the distal end 34 b of the connection cover 34 is appropriately threaded such that the connection cover 34 is selectively attachable to the threaded portion 21 a of the hub body 21 such that the catheter tube 12 is securely attached to the hub assembly 20 .
  • the connection cover 34 may include female threads to selectively receive the male threads 21 a formed on hub body 21 .
  • the present invention also includes a compression sleeve 36 that fits axially about the distal portion 12 b of the catheter tube 12 as well as fitting axially about the combined proximal portions 22 a and 24 a of the first and second cannulae 22 and 24 .
  • Compression sleeve 36 preferably is formed of malleable material so as to provide further compression about the connection between the cannulae 22 and 24 with the multi-lumen catheter tube 12 .
  • the connection cover 34 and the compression sleeve 36 together create force to prevent inadvertent separation of the catheter tube 12 from the hub body 21 after insertion of the catheter tube 12 into a patient.
  • FIG. 6 shows the catheter assembly 10 of the present invention with the hub assembly 20 attached to the catheter tube 12 .
  • a preferred method for inserting into a patient the catheter assembly 10 of the present invention requires the following: a multi-lumen catheter tube 12 with, preferably, tapered silicone tips 14 , 16 , and, as are known in the art, an introducer needle, multiple tear away sheath dilator introducers, J-flex guidewires, trocars, lock right adapters with clamps, injection caps, a scalpel, sutures, and adhesive wound dressing. Additionally, the physician should have access to scissors, forceps, needles dish, syringes and gauzes.
  • a preferred method for insertion of the catheter of the present invention into a patient's jugular vein begins with placing the patient in a position with the patient's head turned to the opposite side of where the jugular vein is to be cannulated.
  • the anatomical landmark for proper insertion is defined by the triangle formed by the lateral edge of the sternal head, the medial edge of the clavicular head of the sternocleidomastoid muscle, and the upper edge of the clavicle.
  • a skin wheel should be created, taking care to infiltrate the subcutaneous tissue for about 2 to 3 cm.
  • the physician should identify the internal jugular vein by aspiration and then proceed at an angle while continuing to aspirate with the syringe.
  • the preferred method includes detaching the syringe while leaving the needle in place.
  • the needle opening should then be occlused and thereafter the J-flex guidewire should be introduced through the needle and into the internal jugular vein.
  • the guidewire should pass without resistance into the exact position.
  • the needle should be removed, thus leaving the guidewire in place.
  • the guidewire should rest at the junction of the superior vena cava and the right atrium. Appropriate guidewire placement can be confirmed with fluoroscopy.
  • a tearaway sheath dilator may be introduced over the guidewire and into the vein far enough to dilate the vessel. After expanding the vein wall, the guidewire may be removed while occluding the dilator opening.
  • a trocar should be screwed onto the catheter tube 12 by turning the trocar clockwise, but not the catheter tube 12 . Turning the catheter tube 12 may cause it to kink. The dilator may be removed, leaving the tearaway sheath in place to introduce the catheter tube 12 , again being careful to occlude the sheath opening. As the catheter tube 12 is fed into the sheath the tearaway sheath may be torn away. Care should be taken that the catheter tube 12 does not back out of the vessel.
  • Air embolus is avoided by the patient's positioning described above, and also by asking the patient to inhale deeply and then hold their breath. At this point, fluoroscopy should be performed to confirm catheter tube 12 placement.
  • the tip 14 of the venus catheter should reach the opening of the right atrium and the tip 16 of the arterial catheter should be approximately 4 cm higher. As described above, proper positioning is important. Positioning, as described, is believed to prevent blood recirculation during hemodialysis.
  • a tunnel of about 8 to 10 cm, should be created in a caudal and internal direction by means of the tunneler, which may be shaped to physician preference.
  • the catheter tube 12 should be gently pulled through the tunnel until the loop at the original puncture site is gone.
  • the catheter tube 12 should rest over the clavicle. Care should be taken to avoid excessive force, as this may cause the catheter tube 12 to separate from the tunnel.
  • the method includes surveying this area to ensure there are no kinks in the catheter tube 12 and there is a smooth turn.
  • the hub assembly 20 is attached to the catheter tube 12 .
  • the connector 34 is backfit over the catheter tube 12 .
  • the compression sleeve 36 is backfit over the catheter tube 12 .
  • the proximal portions 22 a , 24 a of cannulae 22 , 24 are inserted into lumens 13 and 17 , respectively, creating a friction fit.
  • the cannulae 22 , 24 , or the corresponding extension tubes 26 , 28 or the corresponding connectors 30 , 32 are marked so that the cannulae 22 , 24 are inserted into the correct lumens 13 , 17 .
  • the compression sleeve 36 is slid into a position that is approximately adjacent to the threaded portion 21 a of the hub body 21 .
  • the connector cover 34 is attached to the hub body 21 by turning the connector cover 34 so that the female threaded portion of the connector cover 34 receives the male threaded portion 21 a of the hub body 21 thereby creating a secure attachment of the hub assembly 20 to the catheter tube 12 .
  • Clamps 42 , 44 may be used with extension tubes 26 , 28 .
  • extension tubes 26 , 28 should be filled with 3 to 4 cc of 5000 units of heperinized saline, clamped, and attached with the injection cap. X-rays should again be performed to reconfirm placement. The small incision is closed with sutures. The patient is now ready for dialysis.
  • the catheter tube 12 is formed with radioopaque silicone, to facilitate visualization under fluoroscopy.

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pulmonology (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • External Artificial Organs (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
US09/769,052 2001-01-24 2001-01-24 Multi-lumen catheter with attachable hub Abandoned US20020099326A1 (en)

Priority Applications (20)

Application Number Priority Date Filing Date Title
US09/769,052 US20020099326A1 (en) 2001-01-24 2001-01-24 Multi-lumen catheter with attachable hub
AU2002240049A AU2002240049B2 (en) 2001-01-24 2002-01-24 Multi-lumen catheter with attachable hub
CNB028053559A CN1223384C (zh) 2001-01-24 2002-01-24 带有可连接的插座的多腔式导液管
EP02705931A EP1353719B1 (en) 2001-01-24 2002-01-24 Multi-lumen catheter with attachable hub
CA002435697A CA2435697C (en) 2001-01-24 2002-01-24 Multi-lumen catheter with attachable hub
PCT/US2002/001996 WO2002058776A2 (en) 2001-01-24 2002-01-24 Multi-lumen catheter with attachable hub
JP2002559106A JP2004526481A (ja) 2001-01-24 2002-01-24 取付け可能なハブを有する多内腔カテーテル
CZ20032071A CZ20032071A3 (cs) 2001-01-24 2002-01-24 Katétr s několika průsvity s připojitelným hrdlem
MXPA03006558A MXPA03006558A (es) 2001-01-24 2002-01-24 Cateter multiluminal con cubo para fijacion.
PT02705931T PT1353719E (pt) 2001-01-24 2002-01-24 Cateter de lúmen múltiplo com união de ligação
DE60226701T DE60226701D1 (de) 2001-01-24 2002-01-24 Katheterschaft mit mehreren leitungen und befestigbare katheternabe
ES02705931T ES2307727T3 (es) 2001-01-24 2002-01-24 Cateter multilumen con boca enganchable.
AT02705931T ATE395945T1 (de) 2001-01-24 2002-01-24 Katheterschaft mit mehreren leitungen und befestigbare katheternabe
US10/086,033 US6638242B2 (en) 2001-01-24 2002-02-28 Multi-lumen catheter with attachable hub
US10/231,748 US6872198B1 (en) 2001-01-24 2002-08-30 Double-y-shaped multi-lumen catheter with selectively attachable hubs
US10/251,411 US7300430B2 (en) 2001-01-24 2002-09-20 Multi-lumen catheter with attachable hub
US10/612,532 US7381204B2 (en) 2001-01-24 2003-07-01 Multi-lumen catheter with attachable hub
US10/796,495 US7749185B2 (en) 2001-01-24 2004-03-09 Method of inserting double-Y-shaped catheter with attachable hubs
US10/797,363 US20040171997A1 (en) 2001-01-24 2004-03-10 Double-y-shaped multi-lumen catheter with selectively attachable hubs
US11/861,722 US7833214B2 (en) 2001-01-24 2007-09-26 Multi-lumen catheter with attachable hub

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US10/612,532 Expired - Lifetime US7381204B2 (en) 2001-01-24 2003-07-01 Multi-lumen catheter with attachable hub
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ATE395945T1 (de) 2008-06-15
EP1353719A2 (en) 2003-10-22
MXPA03006558A (es) 2004-04-02
DE60226701D1 (de) 2008-07-03
US20080033350A1 (en) 2008-02-07
CA2435697C (en) 2009-12-15
EP1353719B1 (en) 2008-05-21
CN1223384C (zh) 2005-10-19
WO2002058776A3 (en) 2003-02-27
PT1353719E (pt) 2008-09-01
CA2435697A1 (en) 2002-08-01
CZ20032071A3 (cs) 2004-06-16
US6638242B2 (en) 2003-10-28
US20040065333A1 (en) 2004-04-08
CN1498125A (zh) 2004-05-19
ES2307727T3 (es) 2008-12-01
US7381204B2 (en) 2008-06-03
AU2002240049B2 (en) 2007-01-04
US20020099327A1 (en) 2002-07-25
US7833214B2 (en) 2010-11-16
JP2004526481A (ja) 2004-09-02
WO2002058776A2 (en) 2002-08-01

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