CA2607175A1 - Compliant balloon catheter - Google Patents

Compliant balloon catheter Download PDF

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Publication number
CA2607175A1
CA2607175A1 CA002607175A CA2607175A CA2607175A1 CA 2607175 A1 CA2607175 A1 CA 2607175A1 CA 002607175 A CA002607175 A CA 002607175A CA 2607175 A CA2607175 A CA 2607175A CA 2607175 A1 CA2607175 A1 CA 2607175A1
Authority
CA
Canada
Prior art keywords
catheter
expandable membrane
fluid
cancelled
pressurization limit
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
CA002607175A
Other languages
French (fr)
Other versions
CA2607175C (en
Inventor
John W. Lehmann
Teresa Ann Mihalik
Jean-Luc Pageard
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.)
Medtronic Cryocath LP
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
Priority to CA2762057A priority Critical patent/CA2762057C/en
Publication of CA2607175A1 publication Critical patent/CA2607175A1/en
Application granted granted Critical
Publication of CA2607175C publication Critical patent/CA2607175C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • 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
    • A61M25/1011—Multiple balloon catheters
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00214—Expandable means emitting energy, e.g. by elements carried thereon
    • A61B2018/0022—Balloons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0212—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques using an instrument inserted into a body lumen, e.g. catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A61B2018/0231—Characteristics of handpieces or probes
    • A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
    • 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
    • A61M25/1011—Multiple balloon catheters
    • A61M2025/1013—Multiple balloon catheters with concentrically mounted balloons, e.g. being independently inflatable

Abstract

A catheter (34) includes a first expandable membrane (62) having a first pressurization limit and a second expandable membrane (64), having a second pressurization limit, wherein the second pressurization limit is greater than the first pressurization limit, the first expandable membrane defines a cooling chamber, the second expandable membrane being disposed around the first expandable membrane to define an junction (57) therebetween. The catheter includes a coolant injection lumen in fluid communication with the at least one fluid inlet port and the cooling chamber, and a primary coolant return lumen in fluid communication with the at least one fluid outlet port and the cooling chamber. The coolant injection tube, the cooling chamber, and the primary coolant return lumen define a first fluid pathway. The catheter further includes a secondary coolant return lumen in fluid communication with the at least one fluid outlet port and the junction. The junction and the secondary coolant return lumen define a second fluid pathway. The catheter provides a fail-safe feature by selecting the appropriate first and second pressurization limits for the first and second expandable membranes.

Claims (21)

1. A catheter comprising:
a proximal end portion and a distal end portion (37), the proximal end portion defining at least one fluid inlet port and at least one fluid outlet port;
a first expandable membrane (62) having a first pressurization limit and a second expandable membrane (64) having a second pressurization limit, wherein the second pressurization limit is less than the first pressurization limit;
the first expandable membrane (62) defining a cooling chamber (55), the second expandable membrane (64) disposed around the first expandable membrane (62) defining a junction (57) between the first and second expandable membranes;
a coolant injection lumen (66) in fluid communication with the at least one fluid inlet port and the cooling chamber (55);
a primary coolant return lumen in fluid communication with the at least one fluid outlet port and the cooling chamber (55), the coolant injection lumen (66), the cooling chamber (55), and the primary coolant return lumen defining a first fluid pathway; and, a secondary coolant return lumen in fluid communication with the at least one fluid outlet port and the junction, the junction (57) and the secondary coolant return lumen defining a second fluid pathway.
2. The catheter of claim 1, wherein the first pressurization limit is determined by the tensile strength of the first expandable membrane.
3. (Cancelled)
4. The catheter of claim 19, wherein the first pressurization limit is determined by the tensile strength of the inner bond joint.
5. The catheter of claim 4, wherein the first pressurization limit is less than the tensile strength of the first expandable membrane.
6. (Cancelled)
7. (Cancelled)
8. (Cancelled)
9. The catheter of claim 1, further comprising a supply of cryogenic fluid in fluid communication with the coolant injection lumen.
10. The catheter of claim 9, wherein the first pressurization limit is determined by the tensile strength of the first expandable membrane.
11. (Cancelled)
12. (Cancelled)
13. (Cancelled)
14. The catheter of claim 1, further comprising a vacuum source in fluid communication with the secondary coolant return lumen.
15. The catheter of claim 14, wherein the first pressurization limit is determined by the tensile strength of the first expandable membrane.
16. (Cancelled)
17. (Cancelled)
18. (Cancelled)
19. The catheter of claim 1, wherein the first expandable membrane is coupled to the catheter at an inner bond joint.
20. The catheter of claim 1, wherein the first expandable membrane is a non-compliant balloon.
21. The catheter of claim 20, wherein the second expandable membrane is a compliant balloon.
CA2607175A 2005-05-13 2006-04-17 Compliant balloon catheter Active CA2607175C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2762057A CA2762057C (en) 2005-05-13 2006-04-17 Compliant balloon catheter

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/129,210 US7727191B2 (en) 2005-05-13 2005-05-13 Compliant balloon catheter
US11/129,210 2005-05-13
PCT/US2006/014537 WO2006124176A1 (en) 2005-05-13 2006-04-17 Compliant balloon catheter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2762057A Division CA2762057C (en) 2005-05-13 2006-04-17 Compliant balloon catheter

Publications (2)

Publication Number Publication Date
CA2607175A1 true CA2607175A1 (en) 2006-11-23
CA2607175C CA2607175C (en) 2012-02-21

Family

ID=36741190

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2762057A Active CA2762057C (en) 2005-05-13 2006-04-17 Compliant balloon catheter
CA2607175A Active CA2607175C (en) 2005-05-13 2006-04-17 Compliant balloon catheter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2762057A Active CA2762057C (en) 2005-05-13 2006-04-17 Compliant balloon catheter

Country Status (4)

Country Link
US (3) US7727191B2 (en)
EP (2) EP1881796B1 (en)
CA (2) CA2762057C (en)
WO (1) WO2006124176A1 (en)

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Also Published As

Publication number Publication date
EP1881796B1 (en) 2013-02-27
US8425456B2 (en) 2013-04-23
CA2607175C (en) 2012-02-21
US7727191B2 (en) 2010-06-01
CA2762057C (en) 2015-07-14
EP1881796A1 (en) 2008-01-30
EP2269528A2 (en) 2011-01-05
CA2762057A1 (en) 2006-11-23
WO2006124176A1 (en) 2006-11-23
US20130218151A1 (en) 2013-08-22
US20100211056A1 (en) 2010-08-19
EP2269528A3 (en) 2011-03-02
EP2269528B1 (en) 2015-04-08
US20060270982A1 (en) 2006-11-30

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