US6139518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powered assisted liposuction and lipoinjection equipment
Assignee: MicroAire Surgical Instruments LLC
•
Filing: 1999-03-22
•
Granted: 2000-10-31
•
Expires: 2019-03-22
Abstract
Abstract A power assisted liposuction/lipoinjection handpiece includes a handle (12) which provides power to reciprocate a cannula (10) back and forth during surgery The cannula (10) can be connected to the handle (12) by a connector (24) that is affixed to, integrally formed with, or selectively joinable to a reciprocating member (14). Benefits in sterilization, distribution and surgical use can be realized when the cannula (10) and connector (24) are joined together, such that the surgeon merely needs to remove the cannula (10) from the package and connect it to a reciprocating member of a powered handle (12). The handle (12) may be configured such that the reciprocating member (14) is selectively detachable; thereby, allowing the handle (12) to be used for additional surgical procedures such as sawing or drilling. A vacuum hose (26) is connected to the cannula (10) such that vacuum pressure can be exerted through the cannula (10) for aspirating severed fat tissue. Preferably, the connector (24) radially offsets the cannula (10) from the reciprocating member (14) to a position which is axially in alignment with the vacuum hose (26); thereby avoiding bend regions and enhancing suction.
Inventors
- 👤 Peter G. Mozsary
- 👤 Mike Fard
- 👤 John Pascaloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:18
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/320016; A61B17/32002; A61M; A61M1/00; A61M1/84; A61M1/86; A61M2202/00; A61M2202/08
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
100 words
A cannula assembly for a power assisted handpiece with a reciprocating member having an axis of reciprocation, comprising: a cannula having a tip, a base, and a longitudinal axis, wherein said tip has a shape selected from the group consisting of a spatula shape, a rectangular shape, a blunt end, and a bullet shape; a connector attached to the base of said cannula; and means disposed on said connector for releasably attaching said connector to the reciprocating member in an orientation such that the longitudinal axis of said cannula is substantially parallel to and offset from the axis of reciprocation.
Claim 2
Dependent Claim
100 words
A cannula assembly for a power assisted handpiece with a reciprocating member having an axis of reciprocation, comprising: a cannula having a tip, a base, and a longitudinal axis, wherein said tip has a shape selected from the group consisting of a spatula shape, a rectangular shape, a blunt end, and a bullet shape; a connector attached to the base of said cannula; and means disposed on said connector for releasably attaching said connector to the reciprocating member in an orientation such that the longitudinal axis of said cannula is substantially parallel to and offset from the axis of reciprocation.
Claim 3
Dependent Claim
12 words
The cannula of claim 1 wherein said tip has a spatula shape.
Claim 4
Dependent Claim
15 words
The cannula of claim 2 wherein said opening in said tip has a rectangular shape.
Claim 5
Dependent Claim
23 words
The cannula of claim 2 wherein said tip has a plurality of spaced apart openings offset from one another in a longitudinal direction.
Claim 6
Dependent Claim
16 words
The cannula of claim 4 wherein each of said spaced apart openings have a rectangular shape.
Claim 7
Dependent Claim
12 words
The cannula of claim 1 wherein the tip has a blunt end.
Claim 8
Dependent Claim
12 words
The cannula of claim 1 wherein said tip has a bullet shape.
Claim 9
Dependent Claim
66 words
The cannula of claim 1 wherein said cannula is removable from said cannula connector and wherein said cannula connector comprises a pivoting member and a locking member, said pivoting member being pivotal to create an opening in said cannula connector for insertion of said cannula, said locking member positioned to lock a free end of said pivoting member when a cannula is positioned in said opening.
Claim 10
Dependent Claim
102 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member connected to said hand held housing and having a front portion extending from a front side of said hand held housing, said reciprocating member being moveable towards and away from said front side in a reciprocating motion; a cannula; a connector releasably connecting said cannula to said front portion of said reciprocating member, whereby said cannula moves in a reciprocating motion in fixed relation with said reciprocating member; a vacuum line in fluid communication with said cannula; and a fat tissue clearing member which clears fat tissue within said cannula.
Claim 11
Dependent Claim
102 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member connected to said hand held housing and having a front portion extending from a front side of said hand held housing, said reciprocating member being moveable towards and away from said front side in a reciprocating motion; a cannula; a connector releasably connecting said cannula to said front portion of said reciprocating member, whereby said cannula moves in a reciprocating motion in fixed relation with said reciprocating member; a vacuum line in fluid communication with said cannula; and a fat tissue clearing member which clears fat tissue within said cannula.
Claim 12
Dependent Claim
31 words
The handpiece of claim 9 wherein said fat tissue clearing member is an electrode which emits energy selected from the group consisting of heat, ultrasonic waves, microwaves, and radio frequency waves.
Claim 13
Dependent Claim
17 words
The handpiece of claim 9 wherein said fat tissue clearing member is positioned external to said cannula.
Claim 14
Dependent Claim
16 words
The handpiece of claim 9 wherein said fat tissue clearing member is positioned within said cannula.
Claim 15
Dependent Claim
78 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member connected to said hand held housing, said reciprocating member being moveable towards and away from said hand held housing; a cannula having a longitudinal axis; a connector connecting said cannula to said reciprocating member, said cannula is selectively detachable from said connector; and means disposed on the exterior of said housing for aligning a portion of said vacuum hose with the longitudinal axis of said cannula.
Claim 16
Dependent Claim
78 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member connected to said hand held housing, said reciprocating member being moveable towards and away from said hand held housing; a cannula having a longitudinal axis; a connector connecting said cannula to said reciprocating member, said cannula is selectively detachable from said connector; and means disposed on the exterior of said housing for aligning a portion of said vacuum hose with the longitudinal axis of said cannula.
Claim 17
Dependent Claim
90 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member mounted within said housing and having a portion exterior to said hand held housing, said portion of said reciprocating member exterior to said hand held housing being moveable in a reciprocating motion toward and away from said hand held housing; a cannula; connector mounted on said cannula and releasably connected to the portion of said reciprocating member exterior to said housing, said connector and said cannula are integral; and a vacuum line in fluid communication with said cannula.
Claim 18
Dependent Claim
90 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member mounted within said housing and having a portion exterior to said hand held housing, said portion of said reciprocating member exterior to said hand held housing being moveable in a reciprocating motion toward and away from said hand held housing; a cannula; connector mounted on said cannula and releasably connected to the portion of said reciprocating member exterior to said housing, said connector and said cannula are integral; and a vacuum line in fluid communication with said cannula.
Claim 19
Dependent Claim
62 words
A liposuction apparatus, comprising: a liposuction handpiece; a vacuum source; a vacuum hose connecting said vacuum source to said liposuction handpiece; and an in-line filter including a removeable filter positioned within said vacuum hose for collecting fat tissue withdrawn from a patient with said liposuction hand piece, said in-line filter allowing blood to pass through said filter while retaining said fat tissue.
Claim 20
Dependent Claim
62 words
A liposuction apparatus, comprising: a liposuction handpiece; a vacuum source; a vacuum hose connecting said vacuum source to said liposuction handpiece; and an in-line filter including a removeable filter positioned within said vacuum hose for collecting fat tissue withdrawn from a patient with said liposuction hand piece, said in-line filter allowing blood to pass through said filter while retaining said fat tissue.
Claim 21
Dependent Claim
13 words
The liposuction apparatus of claim 15 wherein said vacuum source is a pump.
Claim 22
Dependent Claim
15 words
The liposuction apparatus of claim 15 further comprising a wash line connected to said filter.
Claim 23
Dependent Claim
92 words
A cannula, comprising: an insertion tip region for insertion into a patient; a vacuum source arm having a first end connected to said insertion tip region, said insertion tip region and vacuum source arm being hollow and allowing vacuum pressure to be exerted therethrough, said vacuum source arm having a second end for connection to a vacuum source; and a drive arm having a first end connected to said insertion tip region and a second end connectable to a power assisted liposuction handpiece which drives said drive arm in a reciprocating manner.
Claim 24
Dependent Claim
92 words
A cannula, comprising: an insertion tip region for insertion into a patient; a vacuum source arm having a first end connected to said insertion tip region, said insertion tip region and vacuum source arm being hollow and allowing vacuum pressure to be exerted therethrough, said vacuum source arm having a second end for connection to a vacuum source; and a drive arm having a first end connected to said insertion tip region and a second end connectable to a power assisted liposuction handpiece which drives said drive arm in a reciprocating manner.
Claim 25
Dependent Claim
14 words
The cannula of claim 18 wherein said insertion tip region has a narrow tip.
Claim 26
Dependent Claim
18 words
The cannula of claim 18 wherein said drive arm is in axial alignment with said insertion tip region.
Claim 27
Dependent Claim
87 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member connected to said hand held housing and having a front portion extending from a front side of said hand held housing, said reciprocating member being moveable towards and away from said front side in a reciprocating motion; a cannula; a connector releasably connecting said cannula to said portion of said portion of said reciprocating member extending from the front side of said hand held housing; and a vacuum port in fluid communication with said cannula.
Claim 28
Dependent Claim
87 words
A power assisted handpiece, comprising: a hand held housing; a reciprocating member connected to said hand held housing and having a front portion extending from a front side of said hand held housing, said reciprocating member being moveable towards and away from said front side in a reciprocating motion; a cannula; a connector releasably connecting said cannula to said portion of said portion of said reciprocating member extending from the front side of said hand held housing; and a vacuum port in fluid communication with said cannula.
Claim 29
Dependent Claim
19 words
The power assisted handpiece of claim 20, further comprising a vacuum hose in fluid communication with the vacuum port.
Claim 30
Dependent Claim
31 words
The power assisted handpiece of claim 22, wherein said reciprocating member is mounted within said housing such that said front portion extends from a front side of said hand held housing.
Claim 31
Dependent Claim
22 words
The power assisted handpiece of claim 22, wherein said cannula includes an extending portion that fits into a bore of said connector.
Claim 32
Dependent Claim
16 words
The power assisted handpiece of claim 22, wherein said connector is integral with said reciprocating member.
Claim 33
Dependent Claim
27 words
The power assisted handpiece of claim 25, wherein said connector includes a bore, an extension extending from a proximal end of said cannula fits into said bore.
Claim 34
Dependent Claim
15 words
The power assisted handpiece of claim 22, wherein the vacuum port extends from said connector.
Claim 35
Dependent Claim
15 words
The power assisted handpiece of claim 22, wherein the vacuum port extends from said cannula.
Claim 36
Dependent Claim
57 words
A power assisted handpiece, comprising: a housing; a reciprocating member mounted within said housing and having portion exterior to said housing, said reciprocating member being movable towards and away from said housing; a cannula releasably attached to the portion of said reciprocating member exterior to said housing; and a vacuum port in fluid communication with said cannula.
Claim 37
Dependent Claim
57 words
A power assisted handpiece, comprising: a housing; a reciprocating member mounted within said housing and having portion exterior to said housing, said reciprocating member being movable towards and away from said housing; a cannula releasably attached to the portion of said reciprocating member exterior to said housing; and a vacuum port in fluid communication with said cannula.
Claim 38
Dependent Claim
19 words
The power assisted handpiece of claim 29, further comprising a vacuum hose in fluid communication with the vacuum port.
Claim 39
Dependent Claim
129 words
A cannula connector for connecting a cannula to a power assisted handpiece, comprising: a connector body; a first opening formed in said connector body for connecting said connector body to a power assisted handpiece; a second opening formed in said connector body which is parallel to said first opening for securing said cannula to said connector body, said second opening in said connector body is comprised of a pivoting member and a locking member, said pivoting member being pivotal to create an open axis to said second opening, said locking member positioned to lock a free end of said pivoting member to said connector body; and a tab region formed in said connector body which is moveable into said first opening from a point external to said first opening.
Claim 40
Dependent Claim
129 words
A cannula connector for connecting a cannula to a power assisted handpiece, comprising: a connector body; a first opening formed in said connector body for connecting said connector body to a power assisted handpiece; a second opening formed in said connector body which is parallel to said first opening for securing said cannula to said connector body, said second opening in said connector body is comprised of a pivoting member and a locking member, said pivoting member being pivotal to create an open axis to said second opening, said locking member positioned to lock a free end of said pivoting member to said connector body; and a tab region formed in said connector body which is moveable into said first opening from a point external to said first opening.
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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) | 2003-10-31 | 2004-05-01 | 2004-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-10-31 | 2008-05-01 | 2008-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-10-31 | 2012-05-01 | 2012-10-31 | $7700.00 | Window Closed / Lapsed |