CA2817552C - Devices and methods for forming a fistula - Google Patents
Devices and methods for forming a fistula Download PDFInfo
- Publication number
- CA2817552C CA2817552C CA2817552A CA2817552A CA2817552C CA 2817552 C CA2817552 C CA 2817552C CA 2817552 A CA2817552 A CA 2817552A CA 2817552 A CA2817552 A CA 2817552A CA 2817552 C CA2817552 C CA 2817552C
- Authority
- CA
- Canada
- Prior art keywords
- catheter
- electrode
- lead wire
- fistula
- blood vessel
- 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.)
- Active
Links
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Classifications
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- 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
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- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
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- A61M1/3655—Arterio-venous shunts or fistulae
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- A61B2017/22094—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing
- A61B2017/22095—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for for crossing total occlusions, i.e. piercing accessing a blood vessel true lumen from the sub-intimal space
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- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320783—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter
- A61B2017/320791—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions through side-hole, e.g. sliding or rotating cutter inside catheter with cutter extending outside the cutting window
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- A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
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- A61B2018/00404—Blood vessels other than those in or around the heart
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- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
- A61B2018/1246—Generators therefor characterised by the output polarity
- A61B2018/1253—Generators therefor characterised by the output polarity monopolar
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- A61B18/14—Probes or electrodes therefor
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- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Otolaryngology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgical Instruments (AREA)
- External Artificial Organs (AREA)
- Laser Surgery Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41435710P | 2010-11-16 | 2010-11-16 | |
| US61/414,357 | 2010-11-16 | ||
| PCT/US2011/061026 WO2012068273A1 (en) | 2010-11-16 | 2011-11-16 | Devices and methods for forming a fistula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2817552A1 CA2817552A1 (en) | 2012-05-24 |
| CA2817552C true CA2817552C (en) | 2020-03-24 |
Family
ID=46084402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2817552A Active CA2817552C (en) | 2010-11-16 | 2011-11-16 | Devices and methods for forming a fistula |
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