US5817050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liposuction cannula
Assignee: Individual
•
Filing: 1997-05-29
•
Granted: 1998-10-06
•
Expires: 2017-05-29
Abstract
Abstract A liposuction cannula constructed of a cannular tube having a proximal open end attachable to a vacuum source and a plurality of apertures disposed laterally through at least one longitudinal segment of the tube. The apertures preferably are situated substantially uniformly about the tube and have a cross-sectional area of about 7.6×10 -4 to about 3.0×10 -3 inch. Inside diameter of the tube is preferably from about 1.2 mm to about 2.2 mm to thereby provide a cannula whose size causes a relatively minimal invasive action through individual incisions through skin to sites of lipid-containing tissue. A method of performing liposuction includes tumescent delivery of a local anesthetic and vasoconstrictor medication to an adipose tissue site and thereafter providing the cannula defined above to the site. The vacuum source is activated and the cannula is moved longitudinally forward and backward within the tissue site. By so doing, the apertures additionally function as a rasp by such longitudinal movement to facilitate disassociation of the lipid from the surrounding tissue.
Inventors
- 👤 Jeffrey A. Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/84; A61M1/89; A61M2202/00; A61M2202/08; Y; Y10; Y10S; Y10S604/00; Y10S604/902
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
57 words
A liposuction cannula comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter not exceeding about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 2
Dependent Claim
57 words
A liposuction cannula comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter not exceeding about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 3
Dependent Claim
23 words
A liposuction cannula as claimed in claim 1 wherein the tube has an inside diameter from about 1.2 mm to about 2.2 mm.
Claim 4
Dependent Claim
15 words
A liposuction cannula as claimed in claim 2 wherein the apertures are situated substantially uniformly.
Claim 5
Dependent Claim
25 words
A liposuction cannula as claimed in claim 3 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 6
Dependent Claim
16 words
A liposuction cannula as claimed in claim 4 wherein each of the apertures is substantially circular.
Claim 7
Dependent Claim
23 words
A liposuction cannula as claimed in claim 5 wherein each of the apertures has a diameter of about 1/32 inch to 1/16 inch.
Claim 8
Dependent Claim
15 words
A liposuction cannula as claimed in claim 1 wherein the apertures are situated substantially uniformly.
Claim 9
Dependent Claim
25 words
A liposuction cannula as claimed in claim 2 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 10
Dependent Claim
25 words
A liposuction cannula as claimed in claim 1 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 11
Dependent Claim
16 words
A liposuction cannula as claimed in claim 9 wherein each of the apertures is substantially circular.
Claim 12
Dependent Claim
60 words
A liposuction cannula comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter from about 1.2 mm to about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 13
Dependent Claim
60 words
A liposuction cannula comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter from about 1.2 mm to about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 14
Independent Claim
149 words
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 comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter not exceeding about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch; c) placing the liposuction cannula within the adipose tissue site and attaching its proximal open end to a vacuum source; and d) activating the vacuum source while longitudinally moving the cannula forward and backward within the tissue site, thereby effectuating adipocyte entrance from the adipose tissue site into the cannula through the apertures.
Claim 15
Independent Claim
149 words
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 comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter not exceeding about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch; c) placing the liposuction cannula within the adipose tissue site and attaching its proximal open end to a vacuum source; and d) activating the vacuum source while longitudinally moving the cannula forward and backward within the tissue site, thereby effectuating adipocyte entrance from the adipose tissue site into the cannula through the apertures.
Claim 16
Dependent Claim
22 words
A method as claimed in claim 12 wherein the tube has an inside diameter from about 1.2 mm to about 2.2 mm.
Claim 17
Dependent Claim
17 words
A method as claimed in claim 13 wherein the apertures of the tube are situated substantially uniformly.
Claim 18
Dependent Claim
29 words
A method as claimed in claim 14 wherein the cross-sectional area of each of the apertures of the tube is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 19
Dependent Claim
15 words
A method as claimed in claim 15 wherein each of the apertures is substantially circular.
Claim 20
Dependent Claim
25 words
A method as claimed in claim 16 wherein each of the apertures of the tube has a diameter of about 1/32 inch to 1/16 inch.
Claim 21
Dependent Claim
14 words
A method as claimed in claim 12 wherein the apertures are situated substantially uniformly.
Claim 22
Dependent Claim
24 words
A method as claimed in claim 13 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 23
Dependent Claim
24 words
A method as claimed in claim 12 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 24
Dependent Claim
15 words
A method as claimed in claim 20 wherein each of the apertures is substantially circular.
Claim 25
Dependent Claim
25 words
A method as claimed in claim 21 wherein each of the apertures of the tube has a diameter of about 1/32 inch to 1/16 inch.
Claim 26
Independent Claim
152 words
A method of performing liposuction at an adipose-containing breast tissue site, the method comprising: a) providing to the breast 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 comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter not exceeding about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch; c) placing the liposuction cannula within the breast tissue site and attaching its proximal open end to a vacuum source; and d) activating the vacuum source while longitudinally moving the cannula forward and backward within the breast tissue site, thereby effectuating adipocyte entrance from the breast tissue site into the cannula through the apertures.
Claim 27
Independent Claim
152 words
A method of performing liposuction at an adipose-containing breast tissue site, the method comprising: a) providing to the breast 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 comprising a cannular tube having a proximal open end attachable to a vacuum source, an inside diameter not exceeding about 2.2 mm, and at least five apertures disposed laterally through at least one longitudinal segment of the tube, with the cross-sectional area of each aperture from about 7.6×10 -4 to about 3.0×10 -3 inch; c) placing the liposuction cannula within the breast tissue site and attaching its proximal open end to a vacuum source; and d) activating the vacuum source while longitudinally moving the cannula forward and backward within the breast tissue site, thereby effectuating adipocyte entrance from the breast tissue site into the cannula through the apertures.
Claim 28
Dependent Claim
22 words
A method as claimed in claim 23 wherein the tube has an inside diameter from about 1.2 mm to about 2.2 mm.
Claim 29
Dependent Claim
17 words
A method as claimed in claim 24 wherein the apertures of the tube are situated substantially uniformly.
Claim 30
Dependent Claim
29 words
A method as claimed in claim 25 wherein the cross-sectional area of each of the apertures of the tube is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 31
Dependent Claim
15 words
A method as claimed in claim 26 wherein each of the apertures is substantially circular.
Claim 32
Dependent Claim
25 words
A method as claimed in claim 27 wherein each of the apertures of the tube has a diameter of about 1/32 inch to 1/16 inch.
Claim 33
Dependent Claim
14 words
A method as claimed in claim 23 wherein the apertures are situated substantially uniformly.
Claim 34
Dependent Claim
24 words
A method as claimed in claim 23 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -4 inch.
Claim 35
Dependent Claim
24 words
A method as claimed in claim 23 wherein the cross-sectional area of each aperture is from about 7.6×10 -4 to about 3.0×10 -3 inch.
Claim 36
Dependent Claim
15 words
A method as claimed in claim 31 wherein each of the apertures is substantially circular.
Claim 37
Dependent Claim
25 words
A method as claimed in claim 32 wherein each of the apertures of the tube has a diameter of about 1/32 inch to 1/16 inch.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-10-05 | 2002-04-06 | 2002-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-10-05 | 2006-04-06 | 2006-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-10-05 | 2010-04-06 | 2010-10-06 | $7700.00 | Window Closed / Lapsed |