CA2207502A1 - Method and associated device for removing material from body - Google Patents
Method and associated device for removing material from bodyInfo
- Publication number
- CA2207502A1 CA2207502A1 CA002207502A CA2207502A CA2207502A1 CA 2207502 A1 CA2207502 A1 CA 2207502A1 CA 002207502 A CA002207502 A CA 002207502A CA 2207502 A CA2207502 A CA 2207502A CA 2207502 A1 CA2207502 A1 CA 2207502A1
- Authority
- CA
- Canada
- Prior art keywords
- clot
- suction
- intake port
- tubular member
- port
- 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
Links
Classifications
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- 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
- A61B17/320783—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
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- 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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
-
- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Abstract
A pull push device for removing a clot. The device includes an elongate tubular member having a suction port and an irrigation or fluid pressurization port respectively con-nectable to a vacuum source and a pressurizable fluid reser-voir. The tubular member also has a clot intake port positionable through a patient's skin inside a clogged vas-cular vessel. The vacuum source enables clot suction into the clot intake port for severing while liquid pressure supplies fluid for clot ejection and device clearance. A single piece rotating or reciprocating cutter and intake closure component is mounted inside the tubular member for closing the clot intake port upon each small vacuum assisted severing of clot mass by the cutting element. By simultaneously severing the clot and closing the intake port by the closure component, the device automatically converts from a suction to a pressure mode, thus ejecting any clot through the suction port. The ordered and continual suck, cut, push, pull tandem ejection system is aided by an automatic anticlogging mechanism which is operative when a sucked clot obstructs suction through the tubular member. This self-limiting feature closes off further suction and ends the process of clot intake. Only after window closure and clot ejection has occurred is vacuum restored to the intake port so that more clot may be sucked into the device for processing.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/358,209 US5520635A (en) | 1994-12-16 | 1994-12-16 | Method and associated device for removing clot |
US08/358,209 | 1994-12-16 | ||
PCT/US1995/016467 WO1996018432A1 (en) | 1994-12-16 | 1995-12-15 | Method and associated device for removing material from body |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2207502A1 true CA2207502A1 (en) | 1996-06-20 |
CA2207502C CA2207502C (en) | 2007-06-26 |
Family
ID=23408714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002207502A Expired - Lifetime CA2207502C (en) | 1994-12-16 | 1995-12-15 | Method and associated device for removing material from body |
Country Status (9)
Country | Link |
---|---|
US (2) | US5520635A (en) |
EP (1) | EP0843572B9 (en) |
JP (1) | JPH10510738A (en) |
AT (1) | ATE279890T1 (en) |
AU (1) | AU704697B2 (en) |
BR (1) | BR9510037A (en) |
CA (1) | CA2207502C (en) |
DE (1) | DE69533677T2 (en) |
WO (1) | WO1996018432A1 (en) |
Families Citing this family (95)
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-
1994
- 1994-12-16 US US08/358,209 patent/US5520635A/en not_active Expired - Fee Related
-
1995
- 1995-12-15 EP EP95944623A patent/EP0843572B9/en not_active Expired - Lifetime
- 1995-12-15 US US08/573,323 patent/US5730717A/en not_active Expired - Lifetime
- 1995-12-15 WO PCT/US1995/016467 patent/WO1996018432A1/en active IP Right Grant
- 1995-12-15 DE DE69533677T patent/DE69533677T2/en not_active Expired - Lifetime
- 1995-12-15 BR BR9510037A patent/BR9510037A/en not_active IP Right Cessation
- 1995-12-15 JP JP8519313A patent/JPH10510738A/en active Pending
- 1995-12-15 CA CA002207502A patent/CA2207502C/en not_active Expired - Lifetime
- 1995-12-15 AT AT95944623T patent/ATE279890T1/en not_active IP Right Cessation
- 1995-12-15 AU AU47398/96A patent/AU704697B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0843572B9 (en) | 2005-02-02 |
EP0843572A4 (en) | 2000-01-12 |
WO1996018432A1 (en) | 1996-06-20 |
BR9510037A (en) | 1998-11-03 |
EP0843572B1 (en) | 2004-10-20 |
JPH10510738A (en) | 1998-10-20 |
CA2207502C (en) | 2007-06-26 |
EP0843572A1 (en) | 1998-05-27 |
ATE279890T1 (en) | 2004-11-15 |
DE69533677T2 (en) | 2006-02-16 |
AU4739896A (en) | 1996-07-03 |
AU704697B2 (en) | 1999-04-29 |
DE69533677D1 (en) | 2004-11-25 |
US5730717A (en) | 1998-03-24 |
US5520635A (en) | 1996-05-28 |
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Legal Events
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EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20151215 |