CA2440122A1 - Ultrasound method for revascularization and drug delivery - Google Patents

Ultrasound method for revascularization and drug delivery Download PDF

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Publication number
CA2440122A1
CA2440122A1 CA002440122A CA2440122A CA2440122A1 CA 2440122 A1 CA2440122 A1 CA 2440122A1 CA 002440122 A CA002440122 A CA 002440122A CA 2440122 A CA2440122 A CA 2440122A CA 2440122 A1 CA2440122 A1 CA 2440122A1
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CA
Canada
Prior art keywords
interest
area
ultrasound device
needle
elongated flexible
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
CA002440122A
Other languages
French (fr)
Other versions
CA2440122C (en
Inventor
Lauri J. Devore
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
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 CA2440122A1 publication Critical patent/CA2440122A1/en
Application granted granted Critical
Publication of CA2440122C publication Critical patent/CA2440122C/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
    • A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
    • A61M37/0092—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin using ultrasonic, sonic or infrasonic vibrations, e.g. phonophoresis
    • 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
    • A61M25/0082—Catheter tip comprising a tool
    • A61M25/0084—Catheter tip comprising a tool being one or more injection needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238—Type of minimally invasive operation
    • A61B2017/00243—Type of minimally invasive operation cardiac
    • A61B2017/00247—Making holes in the wall of the heart, e.g. laser Myocardial revascularization
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
    • A61B2018/00392—Transmyocardial revascularisation
    • 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
    • A61M25/0082—Catheter tip comprising a tool
    • A61M25/0084—Catheter tip comprising a tool being one or more injection needles
    • A61M2025/0089—Single injection needle protruding axially, i.e. along the longitudinal axis of the catheter, from the distal tip
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/05—General characteristics of the apparatus combined with other kinds of therapy
    • A61M2205/058—General characteristics of the apparatus combined with other kinds of therapy with ultrasound therapy
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/12—Blood circulatory system
    • A61M2210/125—Heart

Abstract

A method and device for improving blood circulation to an area of interest within a patient's heart is described. The method comprises inserting a guidable elongated flexible ultrasound device into a patient's vasculature, applying ultrasonic energy to an area in need of improved circulation, and injecting materials such as angiogenic materials or contrasting agents into the area of interest. The device, suitable for performing the method, comprises an elongated tubular body, a distal head of the elongated tubular body for introducing ultrasonic energy to an area of interest, and a needle to deliver materials to an area of interest.

Claims (20)

1. A method for improving blood circulation to an area of interest in a heart muscle of a patient, said method comprising the steps of:
inserting a guidable elongated flexible ultrasound device into said patient's vasculature, said guidable elongated flexible ultrasound device having an elongate lumen, a distal end, a proximal end, a distal head mounted on said distal end, and a needle mounted to said elongated tubular body in fluid communication with said lumen;
guiding said distal head to said area of interest in said heart muscle;
applying ultrasonic energy via said distal head to said area of interest; and injecting a material into said area of interest with said needle.
2. The method of claim 1, wherein said material is an angiogenic material.
3. The method of claim 1, wherein said material is a contrasting agent.
4. The method of claim 1, wherein the step of applying said ultrasonic energy further comprises the step of massaging said area of interest without removing any portion of said heart muscle at said area of interest.
5. The method of claim 1, wherein said needle is attached adjacent to said distal head.
6. The method of claim 1, wherein said needle extends from said distal head.
7. The method of claim 1, wherein the step of inserting said guidable elongated flexible ultrasound device further comprises the step of inserting a guidewire into said patient's vasculature and passing said guidable elongated flexible ultrasound device over said guidewire.
8. The method of claim 1, wherein said guidable elongated flexible ultrasound device includes an endoscopic visualization device for visualizing said area of interest.
9. A method for improving blood circulation to an external area of interest in a heart muscle of a patient, said method comprising the steps of:
providing a guidable elongated flexible ultrasound device into said patient's chest cavity, said guidable elongated flexible ultrasound device having an elongate lumen, a distal end, a proximal end, a distal head mounted on said distal end, and a needle with a lumen mounted to said elongated tubular body in fluid communication with said lumen;
guiding said distal head within said patient's chest cavity to contact said exterior area of interest of said heart muscle;
applying ultrasonic energy via said distal head to said external area of interest;
and injecting a material into said area of interest with said needle.
10. The method of claim 9, wherein said material is an angiogenic material.
11. The method of claim 9, wherein said material is a contrasting agent.
12. The method of claim 9, wherein the step of applying said ultrasonic energy further comprises the step of massaging said external area of interest without removing any portion of said heart muscle at said external area of interest.
13. The method of claim 9, wherein said needle is attached adjacent to said distal head.
14. The method of claim 9, wherein said needle extends from said distal head.
15. A guidable elongated flexible ultrasound device for increasing the blood circulation to an area of interest in a heart muscle of a patient comprising:
an elongated tubular body having a lumen, a longitudinal axis, a distal end and a proximal end;
a distal head mounted on said distal end for introducing ultrasonic waves to said area of interest; and a needle for injecting a material into said area of interest, said needle mounted to said elongated tubular body substantially parallel to said longitudinal axis of said tubular body.
16. The guidable elongated flexible ultrasound device as recited in claim 15, wherein said material is an angiogenic material.
17. The guidable elongated flexible ultrasound device as recited in claim 16, wherein said material is a contrasting agent.
18. The guidable elongated flexible ultrasound device of claim 15, wherein said needle is attached adjacent to said elongated tubular body.
19. The guidable elongated flexible ultrasound device of claim 15, wherein said needle is attached to said elongated tubular body within said lumen of said elongated tubular body.
20. The guidable elongated flexible ultrasound device of claim 15, further comprising a guidewire for inserting into said patient's vasculature and passing said guidable elongated flexible ultrasound device over said guidewire.
CA2440122A 2001-03-14 2002-02-07 Ultrasound method for revascularization and drug delivery Expired - Fee Related CA2440122C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/808,624 US6508783B2 (en) 2001-03-14 2001-03-14 Ultrasound method for revascularization and drug delivery
US09/808,624 2001-03-14
PCT/US2002/003589 WO2002074175A2 (en) 2001-03-14 2002-02-07 Ultrasound system and method for revascularization and drug delivery

Publications (2)

Publication Number Publication Date
CA2440122A1 true CA2440122A1 (en) 2002-09-26
CA2440122C CA2440122C (en) 2011-08-02

Family

ID=25199295

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2440122A Expired - Fee Related CA2440122C (en) 2001-03-14 2002-02-07 Ultrasound method for revascularization and drug delivery

Country Status (6)

Country Link
US (2) US6508783B2 (en)
EP (1) EP1370182A2 (en)
JP (1) JP4125130B2 (en)
AU (1) AU2002242120A1 (en)
CA (1) CA2440122C (en)
WO (1) WO2002074175A2 (en)

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Also Published As

Publication number Publication date
AU2002242120A1 (en) 2002-10-03
JP2004528884A (en) 2004-09-24
US6702775B2 (en) 2004-03-09
WO2002074175A2 (en) 2002-09-26
EP1370182A2 (en) 2003-12-17
US6508783B2 (en) 2003-01-21
JP4125130B2 (en) 2008-07-30
US20030109821A1 (en) 2003-06-12
US20020133101A1 (en) 2002-09-19
CA2440122C (en) 2011-08-02
WO2002074175A3 (en) 2003-02-27

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EEER Examination request
MKLA Lapsed

Effective date: 20140207