CA2532607A1 - Catheter shaft for regulation of inflation and deflation - Google Patents

Catheter shaft for regulation of inflation and deflation Download PDF

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Publication number
CA2532607A1
CA2532607A1 CA002532607A CA2532607A CA2532607A1 CA 2532607 A1 CA2532607 A1 CA 2532607A1 CA 002532607 A CA002532607 A CA 002532607A CA 2532607 A CA2532607 A CA 2532607A CA 2532607 A1 CA2532607 A1 CA 2532607A1
Authority
CA
Canada
Prior art keywords
catheter
shaft
openings
tubular member
balloon
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
CA002532607A
Other languages
French (fr)
Other versions
CA2532607C (en
Inventor
Show-Mean Wu
Ricardo David Roman
Fuh-Sheng Chen
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.)
Boston Scientific Ltd Barbados
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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 CA2532607A1 publication Critical patent/CA2532607A1/en
Application granted granted Critical
Publication of CA2532607C publication Critical patent/CA2532607C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
    • 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
    • A61M25/0009—Making of catheters or other medical or surgical tubes
    • A61M25/0014—Connecting a tube to a 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1038—Wrapping or folding devices for use with balloon 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
    • A61M25/10—Balloon catheters
    • A61M25/104—Balloon catheters used for angioplasty
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
    • A61B2017/22061—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation for spreading elements apart
    • 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
    • A61M2025/0004—Catheters; Hollow probes having two or more concentrically arranged tubes for forming a concentric catheter 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
    • A61M25/10—Balloon catheters
    • A61M2025/1043—Balloon catheters with special features or adapted for special applications
    • A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/1006—Balloons formed between concentric tubes
    • 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
    • A61M25/10—Balloon catheters
    • A61M25/1027—Making of balloon catheters
    • A61M25/1034—Joining of shaft and balloon

Abstract

An angioplasty balloon catheter and method of making and using the same. The balloon catheter may include a catheter shaft and a balloon coupled to the shaft. The balloon may include one or more cutting edges coupled thereto. The shaft may include one or more inflation lumens and a plurality of openings defined therein that are in fluid communication with the inflation lumen or lumens.

Claims (27)

1. A medical device, comprising:
an elongate catheter shaft, the shaft including an inner tubular member having an inner lumen extending therethrough, an outer tubular member, and an inflation lumen disposed between the inner tubular member and the outer tubular member;
wherein the outer tubular member includes a plurality of distal openings;
a balloon coupled to the shaft and disposed over the distal openings in the outer tubular member; and one or more cutting members coupled to the balloon.
2. The medical device of claim 1, wherein the plurality of distal openings are arranged about the outer tubular member in one or more longitudinally aligned sets.
3. The medical device of claim 2, wherein the one or more cutting members are radially aligned with the longitudinally aligned sets.
4. The medical device of claim 1, wherein the inner tubular member extends distally beyond a distal end of the outer tubular member.
5. The medical device of claim 1, wherein a distal end of the inner tubular member and a distal end of the outer tubular member are substantially aligned.
6. An angioplasty balloon catheter, comprising:
a catheter shaft having an inflation lumen extending at least partially therethrough;
a first set of longitudinally aligned openings defined in the shaft;
a second set of longitudinally aligned openings defined in the shaft;
a balloon coupled to the shaft and disposed over the sets of openings, the balloon including an inner chamber in fluid communication with the inflation lumen;
a first cutting member coupled to the balloon and radially aligned with the first set of longitudinally aligned openings; and a second cutting member coupled to the balloon and radially aligned with the second set of longitudinally aligned openings.
7. The catheter of claim 6, wherein the shaft includes an inner tubular member and an outer tubular member, and wherein the inflation lumen is defined by a space between the inner and outer tubular members.
8. The catheter of claim 7, wherein the inner tubular member extends distally beyond a distal end of the outer tubular member.
9. The catheter of claim 7, wherein a distal end of the inner tubular member and a distal end of the outer tubular member are substantially aligned.
10. The catheter of claim 7, wherein the catheter shaft includes a central guidewire lumen, and wherein the inflation lumen is disposed in the catheter shaft and positioned radially from the guidewire lumen.
11. The catheter of claim 10, further comprising a second inflation lumen disposed in the catheter shaft and positioned radially from the guidewire lumen.
12. The catheter of claim 11, wherein the inflation lumen is in fluid communication with the first set of longitudinally aligned slots and wherein the second inflation lumen is in fluid communication with the second set of longitudinally aligned slots.
13. The catheter of claim 12, further comprising one or more inflation lumens disposed in the catheter shaft.
14. A cutting balloon catheter, comprising:
an elongate shaft having a proximal end, a distal end, and a guidewire lumen extending therethrough;
a first side lumen defined in the shaft and extending therethrough;
a first longitudinally-aligned set of openings defined in the shaft and in fluid communication with the first side lumen;
a second side lumen defined in the shaft and extending therethrough;
a second longitudinally-aligned set of openings defined in the shaft and in fluid communication with the second side lumen;

a balloon coupled to the shaft and disposed over the first and second sets of openings; and a cutting member coupled to the balloon.
15. The catheter of claim 14, wherein first set of openings includes three or more openings.
16. The catheter of claim 14, wherein the first side lumen has a half-moon shaped cross-sectional area.
17. The catheter of claim 14, wherein the first side lumen has a pill shaped cross-sectional area.
18. The catheter of claim 14, further comprising one or more additional side lumens.
19. The catheter of claim 14, wherein the first set of openings is radially aligned with the cutting member.
20. The catheter of claim 19, further comprising a second cutting member that is attached to the balloon and that is radially aligned with the second set of openings.
21. A cutting balloon catheter, comprising:
a multi-lumen catheter shaft having a proximal end, a distal end, a central guidewire lumen extending therethrough, and a plurality of side lumens extending at least partially therethrough;
a first set of openings defined in the shaft and in fluid communication with one of the plurality of side lumens;
a second set of openings defined in the shaft and in fluid communication with another one of the plurality of side lumens;
a balloon coupled to the shaft and disposed over the first and second sets of openings; and a cutting member coupled to the balloon.
22. The catheter of claim 21, wherein first set of openings includes three or more openings.
23. The catheter of claim 21, wherein the side lumens have a half-moon shaped cross-sectional area.
24. The catheter of claim 21, wherein the side lumens have a pill shaped cross-sectional area.
25. The catheter of claim 21, wherein the catheter shaft includes four side lumens.
26. The catheter of claim 21, wherein the first set of openings is radially aligned with the cutting member.
27. The catheter of claim 26, further comprising a second cutting member that is attached to the balloon and that is radially aligned with the second set of openings.
CA2532607A 2003-08-08 2004-07-29 Catheter shaft for regulation of inflation and deflation Expired - Fee Related CA2532607C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/637,142 2003-08-08
US10/637,142 US7780626B2 (en) 2003-08-08 2003-08-08 Catheter shaft for regulation of inflation and deflation
PCT/US2004/024741 WO2005016435A2 (en) 2003-08-08 2004-07-29 Balloon catheter having a cutting member

Publications (2)

Publication Number Publication Date
CA2532607A1 true CA2532607A1 (en) 2005-02-24
CA2532607C CA2532607C (en) 2012-07-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2532607A Expired - Fee Related CA2532607C (en) 2003-08-08 2004-07-29 Catheter shaft for regulation of inflation and deflation

Country Status (6)

Country Link
US (1) US7780626B2 (en)
EP (1) EP1654027B1 (en)
JP (1) JP4808617B2 (en)
AT (1) ATE515284T1 (en)
CA (1) CA2532607C (en)
WO (1) WO2005016435A2 (en)

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JP2007501652A (en) 2007-02-01
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US7780626B2 (en) 2010-08-24
EP1654027A2 (en) 2006-05-10
ATE515284T1 (en) 2011-07-15
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US20050033225A1 (en) 2005-02-10
EP1654027B1 (en) 2011-07-06

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