WO2002092145B1 - Liposuction cannula with abrading apertures - Google Patents

Liposuction cannula with abrading apertures

Info

Publication number
WO2002092145B1
WO2002092145B1 PCT/US2002/014548 US0214548W WO02092145B1 WO 2002092145 B1 WO2002092145 B1 WO 2002092145B1 US 0214548 W US0214548 W US 0214548W WO 02092145 B1 WO02092145 B1 WO 02092145B1
Authority
WO
WIPO (PCT)
Prior art keywords
abrading
suction apertures
distal end
cannula
liposuction
Prior art date
Application number
PCT/US2002/014548
Other languages
French (fr)
Other versions
WO2002092145A3 (en
WO2002092145A2 (en
Inventor
Jeffrey A Klein
Original Assignee
Jeffrey A Klein
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 Jeffrey A Klein filed Critical Jeffrey A Klein
Priority to EP02731723A priority Critical patent/EP1392374A2/en
Priority to AU2002303681A priority patent/AU2002303681A1/en
Publication of WO2002092145A2 publication Critical patent/WO2002092145A2/en
Publication of WO2002092145A3 publication Critical patent/WO2002092145A3/en
Publication of WO2002092145B1 publication Critical patent/WO2002092145B1/en

Links

Classifications

    • 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
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/84—Drainage tubes; Aspiration tips
    • 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
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/89—Suction aspects of liposuction
    • 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
    • A61B2017/320004—Surgical cutting instruments abrasive
    • A61B2017/320008—Scrapers
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/08—Lipoids

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)
  • Media Introduction/Drainage Providing Device (AREA)

Abstract

A liposuction cannula with abrading suction apertures and a method of using a cannula with abrading suction apertures are disclosed. The liposuction cannula comprises: a hand-holdable housing (24) having a cavity; a cannular tube (10) having a distal end and a proximal end, the proximal end of the cannular tube being insertable within the cavity; and a plurality of abrading suction apertures (14) about the cannular tube distal end. The abrading suction apertures (14) can be arranged in a variety of configurations, for example, axially about the distal end of the cannular tube, radially about the distal end of the cannular tube or angularly about the distal end of the cannular tube. The abrading suction apertures include a hole, and an abrading member which may be a raised leading edge, a depressed trailing edge, or both a raised leading edge and a depressed trailing edge.

Claims

8 AMENDED CLAIMS[received by the International Bureau on 22 May 2003 (22.05.03); new claims 15-19 added; remaining claims unchanged (3 pages).]What is claimed is:
1. A liposuction cannula comprising: a) a hand-holdable housing having a cavity; b) a cannular tube having a distal end and a proximal end, the proximal end of the cannular tube being insertable within the cavity; and c) a plurality of abrading suction apertures about the cannular tube distal end.
2. The liposuction cannula of Claim 1, wherein the abrading suction apertures are arranged axially about the distal end of the cannular tube.
3. The liposuction cannula of Claim 1, wherein the abrading suction apertures are arranged radially about the distal end of the cannular tube.
4. The liposuction cannula of Claim 1, wherein the abrading suction apertures are arranged angularly about the distal end of the cannular tube.
5. The liposuction cannula of Claim 1, wherein the abrading suction apertures comprise: a) a hole; b) a raised leading edge; and c) a depressed trailing edge.
6. The liposuction cannula of Claim 1, wherein the abrading suction apertures comprise: a) a hole; and b) a raised leading edge.
7. The liposuction cannula of Claim 1, wherein the abrading suction apertures comprise: a) a hole; and b) a depressed trailing edge.
8. A method of performing liposuction at an adipose tissue site, the method comprising: a) providing to the tissue site a tumescent quantity of a solution comprising a clinically effective dosage of a local anesthetic and a vasoconstrictor; b) providing a liposuction cannula having a distal end and a proximal end, the liposuction cannula having a plurality of abrading suction apertures about the distal end of the cannula; c) placing the liposuction cannula within the adipose tissue site and attaching its proximal end to a vacuum source; and d) activating the vacuum source while longitudinally moving the cannula forward and backward within the tissue site.
9. The method of Claim 8, wherein the abrading suction apertures are arranged axially about the distal end of the cannula.
10. The method of Claim 8, wherein the abrading suction apertures are arranged radially about the distal end of the cannula.
11. The method of Claim 8, wherein the abrading suction apertures are arranged angularly about the distal end of the cannula.
12. The method of Claim 8, wherein the abrading suction apertures comprise: a) a hole; b) a raised leading edge; and c) a depressed trailing edge.
13. The method of Claim 8, wherein the abrading suction apertures comprise: a) a hole; and b) a raised leading edge.
14. The method of Claim 8, wherein the abrading suction apertures comprise: a) a hole; and b) a depressed trailing edge.
15. (NEW) A liposuction cannula comprising: a) a hand-holdable housing having a cavity b) a cannular tube having a distal end and a proximal end, the proximal end of the cannular tube being insertable within the cavity; and c) a plurality of abrading suction apertures about the cannular tube distal end, at least a portion of the periphery of each of the abrading suctions apertures being raised. 10
16. (NEW) The liposuction cannula of Claim 15, wherein the abrading suction apertures are arranged axially about the distal end of the cannular tube.
17. (NEW) The liposuction cannula of Claim 15, wherein the abrading suction apertures comprise: a) a hole; b) a raised leading edge; and c) a depressed trailing edge.
18. (NEW) The liposuction cannula of Claim 15, wherein the abrading suction apertures comprise: a) a hole; and b) a raised leading edge.
19. (NEW) The liposuction cannula of Claim 15, wherein the abrading suction apertures comprise: a) a hole; and b) a depressed trailing edge
PCT/US2002/014548 2001-05-11 2002-05-07 Liposuction cannula with abrading apertures WO2002092145A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02731723A EP1392374A2 (en) 2001-05-11 2002-05-07 Liposuction cannula with abrading apertures
AU2002303681A AU2002303681A1 (en) 2001-05-11 2002-05-07 Liposuction cannula with abrading apertures

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/853,224 2001-05-11
US09/853,224 US6676677B2 (en) 2001-05-11 2001-05-11 Liposuction cannula with abrading apertures

Publications (3)

Publication Number Publication Date
WO2002092145A2 WO2002092145A2 (en) 2002-11-21
WO2002092145A3 WO2002092145A3 (en) 2003-08-21
WO2002092145B1 true WO2002092145B1 (en) 2004-05-13

Family

ID=25315425

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/014548 WO2002092145A2 (en) 2001-05-11 2002-05-07 Liposuction cannula with abrading apertures

Country Status (4)

Country Link
US (2) US6676677B2 (en)
EP (1) EP1392374A2 (en)
AU (1) AU2002303681A1 (en)
WO (1) WO2002092145A2 (en)

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Also Published As

Publication number Publication date
US6676677B2 (en) 2004-01-13
WO2002092145A3 (en) 2003-08-21
US20020169469A1 (en) 2002-11-14
AU2002303681A1 (en) 2002-11-25
WO2002092145A2 (en) 2002-11-21
US20040044331A1 (en) 2004-03-04
EP1392374A2 (en) 2004-03-03

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