CA2681923A1 - Spiral balloon catheter - Google Patents

Spiral balloon catheter Download PDF

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Publication number
CA2681923A1
CA2681923A1 CA002681923A CA2681923A CA2681923A1 CA 2681923 A1 CA2681923 A1 CA 2681923A1 CA 002681923 A CA002681923 A CA 002681923A CA 2681923 A CA2681923 A CA 2681923A CA 2681923 A1 CA2681923 A1 CA 2681923A1
Authority
CA
Canada
Prior art keywords
balloon
catheter
spiral
conformation
particulate matter
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
CA002681923A
Other languages
French (fr)
Other versions
CA2681923C (en
Inventor
Eran Hirszowicz
Hila Yaron
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.)
Intratech Medical Ltd
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 CA2681923A1 publication Critical patent/CA2681923A1/en
Application granted granted Critical
Publication of CA2681923C publication Critical patent/CA2681923C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61M25/10—Balloon catheters
    • A61M25/1002—Balloon catheters characterised by balloon shape
    • 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
    • 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
    • A61M29/00—Dilators with or without means for introducing media, e.g. remedies
    • A61M29/02—Dilators made of swellable material
    • 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
    • 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
    • A61M2025/109—Balloon catheters with special features or adapted for special applications having balloons for removing solid matters, e.g. by grasping or scraping plaque, thrombus or other matters that obstruct the flow
    • 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

Abstract

The present invention provides a balloon catheter system comprising one or more conduits (10) to which are attached a compliant balloon (12) having a non-helical shape in its deflated state, wherein said balloon is constructed such that is capable of adopting a spiral or helical conformation upon inflation. In addition, the present invention also provides methods for using said balloon catheter system.

Claims (10)

1. A balloon catheter system comprising one or more conduits to which is/are attached a compliant balloon having a non-helical shape in its deflated state, wherein said balloon is constructed such that is capable of adopting a spiral or helical conformation upon inflation.
2. The balloon catheter system according to claim 1, wherein the relative values of the length of the balloon in the deflated state, the elongation fraction and the inner diameter of said balloon in the deflated state are chosen, such that said balloon is capable of adopting a spiral or helical conformation upon inflation.
3. The balloon catheter system according to claim 1, wherein the balloon is attached to a single catheter conduit.
4. The balloon catheter system according to claim 1, wherein the distal neck of the balloon is attached to one catheter conduit while the proximal neck thereof is attached to a second conduit, wherein said first and second conduits are arranged such that at least a portion of the shaft of one of the conduits is disposed within the lumen of the other conduit.
5. The balloon catheter system according to claim 4, further comprising at least one side aperture that connects the lumen of the inner conduit with the space surrounding the outer conduit.
6. The balloon catheter system according to claim 1, further comprising an aspiration tube, the distal end of which is located close to, and on the proximal side of, the proximal neck of the balloon.
7 A method for removing particulate matter from a body passage in a patient in need of such treatment, comprising the steps of:

a) providing a catheter fitted with a compliant balloon and an aspiration element, wherein said balloon is constructed such that it has a non-spiral shape when deflated and adopts a spiral conformation when inflated;

b) introducing said catheter into a peripheral blood vessel and advancing same until said balloon is located in the region of the particulate matter to be removed;

c) inflating said balloon such that it adopts a spiral conformation, thereby causing said particulate matter to enter said spiral channel thus formed in the external surface of the balloon, and to becomes squeezed and elongated between said balloon and said blood vessel wall;

d) aspirating said squeezed particulate matter into said aspiration element, wherein said aspiration may be performed continuously or intermittently;

e) optionally partially or completely deflating the balloon and re-locating the catheter such that said balloon becomes located in another region of particulate matter to be removed, and repeating steps (c) and (d);

f) completely deflating the balloon and withdrawing the catheter from the patient's vasculature.
8. The method according to claim 7, wherein the particulate matter to be removed is thrombotic material.
9. A method for removing thrombotic material from a body passage in a patient in need of such treatment, comprising the steps of:

a) providing a catheter fitted with a compliant balloon, as disclosed hereinabove, wherein said balloon is constructed such that it has a non-spiral shape when deflated and adopts a spiral conformation when inflated;

b) introducing said catheter into a peripheral blood vessel and advancing same until said balloon is located in the region of the thrombotic material to be removed;

c) inflating said balloon such that it adopts a spiral conformation having a spiral channel winding around the external surface of said balloon, thereby causing said thrombotic material to enter said spiral channel and to becomes squeezed and elongated between said balloon and said blood vessel wall;

d) deflating said balloon, thereby creating a space between the deflated balloon and the squeezed thrombotic material, into which a thrombolytic agent may be introduced, thereby enhancing thrombo-dissolution;

e) rapidly repeating steps (c) and (d); and f) completely deflating the balloon and withdrawing the catheter from the patient's vasculature.
10. A method for removing a thrombus from a body passage in a patient in need of such treatment, comprising the steps of:

a) providing a catheter fitted with a compliant balloon, as disclosed hereinabove, wherein said balloon is constructed such that it has a non-spiral shape when deflated and adopts a spiral conformation when inflated;

b) introducing said catheter into a peripheral blood vessel and advancing same until said balloon is located in the region of the thrombus to be removed;

c) trapping the thrombus within the spiral channel formed by inflation of the balloon d) withdrawing the catheter through the vasculature and out of the body, together with said entrapped thrombus.
CA2681923A 2007-03-27 2008-03-27 Spiral balloon catheter Active CA2681923C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US92014507P 2007-03-27 2007-03-27
US60/920,145 2007-03-27
US97812207P 2007-10-07 2007-10-07
US60/978,122 2007-10-07
US3879508P 2008-03-24 2008-03-24
US61/038,795 2008-03-24
PCT/IB2008/051158 WO2008117256A2 (en) 2007-03-27 2008-03-27 Spiral balloon catheter

Publications (2)

Publication Number Publication Date
CA2681923A1 true CA2681923A1 (en) 2008-10-02
CA2681923C CA2681923C (en) 2015-09-15

Family

ID=39789110

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2681923A Active CA2681923C (en) 2007-03-27 2008-03-27 Spiral balloon catheter
CA2681925A Expired - Fee Related CA2681925C (en) 2007-03-27 2008-03-27 Spiral balloon catheter

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2681925A Expired - Fee Related CA2681925C (en) 2007-03-27 2008-03-27 Spiral balloon catheter

Country Status (7)

Country Link
US (4) US20100137793A1 (en)
EP (2) EP2136869B1 (en)
JP (4) JP2010522602A (en)
CN (2) CN101743032B (en)
CA (2) CA2681923C (en)
ES (1) ES2884648T3 (en)
WO (2) WO2008117257A2 (en)

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Also Published As

Publication number Publication date
CN101730563B (en) 2012-12-26
EP2136869B1 (en) 2021-07-21
CN101743032A (en) 2010-06-16
CA2681923C (en) 2015-09-15
ES2884648T3 (en) 2021-12-10
EP2136869A2 (en) 2009-12-30
US20100114022A1 (en) 2010-05-06
CA2681925C (en) 2015-06-30
CN101743032B (en) 2012-09-19
JP2010522601A (en) 2010-07-08
JP2014012198A (en) 2014-01-23
US8079978B2 (en) 2011-12-20
CA2681925A1 (en) 2008-10-02
WO2008117256A2 (en) 2008-10-02
WO2008117257A3 (en) 2009-02-05
JP5944355B2 (en) 2016-07-05
US20100262124A1 (en) 2010-10-14
US20080306440A1 (en) 2008-12-11
US7766871B2 (en) 2010-08-03
US20100137793A1 (en) 2010-06-03
EP2134405B1 (en) 2021-06-02
EP2134405A2 (en) 2009-12-23
JP2010522602A (en) 2010-07-08
WO2008117256A3 (en) 2009-02-05
WO2008117257A2 (en) 2008-10-02
CN101730563A (en) 2010-06-09
JP2016025921A (en) 2016-02-12

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