CA2237574A1 - Tapered and reinforced catheter - Google Patents

Tapered and reinforced catheter

Info

Publication number
CA2237574A1
CA2237574A1 CA002237574A CA2237574A CA2237574A1 CA 2237574 A1 CA2237574 A1 CA 2237574A1 CA 002237574 A CA002237574 A CA 002237574A CA 2237574 A CA2237574 A CA 2237574A CA 2237574 A1 CA2237574 A1 CA 2237574A1
Authority
CA
Canada
Prior art keywords
catheter body
diameter
catheter
increases
increase
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.)
Granted
Application number
CA002237574A
Other languages
French (fr)
Other versions
CA2237574C (en
Inventor
Allen J. Hicks
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.)
Covidien Group SARL
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2237574A1 publication Critical patent/CA2237574A1/en
Application granted granted Critical
Publication of CA2237574C publication Critical patent/CA2237574C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • 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
    • A61M25/0032—Multi-lumen catheters with stationary elements characterized by at least one unconventionally shaped lumen, e.g. polygons, ellipsoids, wedges or shapes comprising concave and convex parts
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/0069—Tip not integral with tube
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
    • 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
    • A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/008—Strength or flexibility characteristics of the catheter tip

Abstract

A tapered single or multi-lumen catheter having an elongated cylindrical tube for injection and removal of fluid, is provided with generally constant or gradually increasing diameter internal lumen or lumens which are connected to a tip portion which may be a conical tapered tip that smoothly merges with the cylindrical surface of the tube so that insertion trauma and the possibility of kinking are minimized. The catheter body is generally formed of proximal and distal portions wherein the proximal portion preferably includes a portion which increases in external diameter in the proximal direction to provide a strain relief for the intersection of the catheter body and the hub member of the catheter. The portion of the catheter body which increases in diameter may also include one or more lumens therein which similarly increase in diameter to increase the flow of fluid therethrough or which are of constant diameter such that the outer wall of the catheter body increases in thickness therealong to increase the columnar strength of the catheter body therealong.
CA002237574A 1995-09-21 1996-09-18 Tapered and reinforced catheter Expired - Fee Related CA2237574C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US407195P 1995-09-21 1995-09-21
US60/004,071 1995-09-21
PCT/US1996/014972 WO1997010858A1 (en) 1995-09-21 1996-09-18 Tapered and reinforced catheter
US08/710,697 US5830196A (en) 1995-09-21 1996-09-19 Tapered and reinforced catheter

Publications (2)

Publication Number Publication Date
CA2237574A1 true CA2237574A1 (en) 1997-03-27
CA2237574C CA2237574C (en) 2008-12-30

Family

ID=26672569

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002237574A Expired - Fee Related CA2237574C (en) 1995-09-21 1996-09-18 Tapered and reinforced catheter

Country Status (10)

Country Link
US (1) US5830196A (en)
EP (2) EP0861099B1 (en)
JP (1) JPH11512625A (en)
AT (2) ATE421353T1 (en)
AU (1) AU725885B2 (en)
CA (1) CA2237574C (en)
DE (2) DE69636325T2 (en)
ES (2) ES2320580T3 (en)
NZ (1) NZ319403A (en)
WO (1) WO1997010858A1 (en)

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EP0861099B1 (en) 2006-07-05
DE69637829D1 (en) 2009-03-12
DE69636325D1 (en) 2006-08-17
EP1704890B1 (en) 2009-01-21
NZ319403A (en) 2000-02-28
WO1997010858A1 (en) 1997-03-27
CA2237574C (en) 2008-12-30
AU7161696A (en) 1997-04-09
EP0861099A1 (en) 1998-09-02
JPH11512625A (en) 1999-11-02
ATE421353T1 (en) 2009-02-15
ES2263163T3 (en) 2006-12-01
ES2320580T3 (en) 2009-05-25
EP1704890A1 (en) 2006-09-27
DE69636325T2 (en) 2007-07-26
AU725885B2 (en) 2000-10-26
ATE332160T1 (en) 2006-07-15
US5830196A (en) 1998-11-03
EP0861099A4 (en) 2000-01-05

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