US5871524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlled contraction of collagen tissue
Assignee: Solta Medical Inc
•
Filing: 1997-02-03
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Granted: 1999-02-16
•
Expires: 2017-02-03
Abstract
Abstract An apparatus applies radiant energy through the skin to an underlying subcutaneous layer or deeper soft tissue layers that includes loculations of fat with fibrous septae made of collagen tissue. This creates a desired contour effect without substantially modifying melanocytes and other epithelial cells in the epidermis. A membrane conforms a contacting exterior surface of the membrane to a skin layer. One or more thermal electrodes positioned in the membrane. A focussing element focuses thermal energy to the underlying collagen tissue. The focusing element and the electrolytic solution create a reverse thermal gradient from the skin to the collagen tissue. A thermal power source is coupled to the thermal electrodes.
Inventors
- 👤 Edward W. Knowlton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:28
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/04; A61B18/12; A61B18/1206; A61B18/14; A61M; A61M15/00; A61M15/0028; A61M15/003; A61M15/0033; A61M15/0035; A61M15/0036; A61M15/0041; A61N; A61N5/00; A61N5/02; A61N5/04; A61B2018/00315; A61B2018/00482; A61B2018/00488; A61B2018/00636; A61B2018/0066; A61M2202/00; A61M2202/06; A61M2202/064; A61M2205/00; A61M2205/07; A61M2205/071; A61M2205/073
Claims Analysis
Total Claims: 40
Claim 1
Independent Claim
128 words
An apparatus for applying energy through a skin epidermis surface to an underlying subcutaneous layer or deeper soft tissue layers that includes loculations of fat with fibrous septae made of collagen containing tissue, to create a desired contour effect without substantially modifying melanocytes in an epidermis, comprising; a membrane that conforms a contacting exterior surface of the membrane to the skin epidermis surface, one or more electrodes positioned in the membrane configured to be coupled to an energy source; an electrolytic media positioned in the membrane and coupled to the electrodes to receive energy from the electrodes and transfers energy from the electrodes to the skin epidermis surface; and a focussing element that creates a reverse thermal gradient from the skin epidermis surface to the collagen containing tissue.
Claim 2
Independent Claim
128 words
An apparatus for applying energy through a skin epidermis surface to an underlying subcutaneous layer or deeper soft tissue layers that includes loculations of fat with fibrous septae made of collagen containing tissue, to create a desired contour effect without substantially modifying melanocytes in an epidermis, comprising; a membrane that conforms a contacting exterior surface of the membrane to the skin epidermis surface, one or more electrodes positioned in the membrane configured to be coupled to an energy source; an electrolytic media positioned in the membrane and coupled to the electrodes to receive energy from the electrodes and transfers energy from the electrodes to the skin epidermis surface; and a focussing element that creates a reverse thermal gradient from the skin epidermis surface to the collagen containing tissue.
Claim 3
Dependent Claim
14 words
The apparatus of claim 1, wherein the focussing element is positioned in the membrane.
Claim 4
Dependent Claim
24 words
The apparatus of claim 1, wherein the focussing element is positioned at an exterior of the membrane between the skin layer and the membrane.
Claim 5
Dependent Claim
18 words
The apparatus of claim 3, further comprising: a coupling device that couples the focussing element to the membrane.
Claim 6
Dependent Claim
21 words
The apparatus of claim 3, further comprising: a bracket positioned around a periphery of the membrane, and supporting the focussing element.
Claim 7
Dependent Claim
52 words
The apparatus of claim 1, further comprising: a fluid passage lumen positioned in the membrane to cool a surface of the skin, the membrane receiving electrolytic solution which transfers energy from the electrodes to the skin and a subcutaneous layer; and a source of electrolytic solution coupled to the fluid passage lumen.
Claim 8
Dependent Claim
14 words
The apparatus of claim 1, wherein energy is applied through a papillary dermis layer.
Claim 9
Dependent Claim
14 words
The apparatus of claim 1, wherein energy is applied through a reticular dermis layer.
Claim 10
Dependent Claim
17 words
The apparatus of claim 1, wherein energy is applied through a subcutaneous layer and deeper soft tissues.
Claim 11
Dependent Claim
36 words
The apparatus of claim 1, wherein the electrodes arc RF electrodes, the energy source is an RF power source, and the electrolytic media transfers RF energy from the RF electrode to the underlying collagen containing tissue.
Claim 12
Dependent Claim
37 words
The apparatus of claim 10, further comprising a feedback device responsive to a detected characteristic of the skin or subcutaneous layer that provides a controlled delivery of RF energy to one or more plurality of RF electrodes.
Claim 13
Dependent Claim
16 words
The apparatus of claim 11, wherein the detected characteristic is an impedance measurement of the skin.
Claim 14
Dependent Claim
16 words
The apparatus of claim 11, wherein the detected characteristic is a temperature profile of the skin.
Claim 15
Dependent Claim
12 words
The apparatus of claim 11, wherein the feedback device includes a controller.
Claim 16
Dependent Claim
12 words
The apparatus of claim 11, wherein the feedback device includes a multiplexer.
Claim 17
Dependent Claim
16 words
The apparatus of claim 1, further comprising: a cooling fluid source coupled to a cooling lumen.
Claim 18
Dependent Claim
12 words
The apparatus of claim 16, wherein the cooling fluid source houses water.
Claim 19
Dependent Claim
12 words
The apparatus of claim 1, wherein the membrane is a microporous membrane.
Claim 20
Dependent Claim
16 words
The apparatus of claim 1, wherein the membrane conforms closely to the surface of the skin.
Claim 21
Dependent Claim
14 words
The apparatus of claim 1, wherein the apparatus includes a plurality of RF electrodes.
Claim 22
Dependent Claim
21 words
The apparatus of claim 1, further comprising: one or more thermal sensors positioned on the contacting exterior surface of the membrane.
Claim 23
Dependent Claim
21 words
The apparatus of claim 1, further comprising: one or more impedance monitors positioned on the contacting exterior surface of the membrane.
Claim 24
Dependent Claim
30 words
The apparatus of claim 1, wherein the focussing element maintains a temperature of the skin epidermis surface at a lower temperature than a temperature of the underlying collagen containing tissue.
Claim 25
Dependent Claim
19 words
The apparatus of claim 23, wherein the focussing element includes a cooling medium delivery device coupled to the membrane.
Claim 26
Independent Claim
144 words
An apparatus for liposculpturing an area of a body including a skin surface with multiple layers, and an underlying are made of a loculation of fat that has collagen containing tissue as a fibrous septae, comprising: an energy delivery device means; electrolytic media energy delivery means coupled to the energy delivery device means to receive electrolytic energy and transfer the electrolytic energy from the energy delivery device means to the skin surface, the electrolytic media means delivering energy to the skin surface and the energy passing through the skin surface to the underlying collagen containing tissue to contract at least a portion of the collagen containing tissue while minimizing cellular destruction and creating a tightening the skin surface; and a membrane housing means housing at least a portion of the energy delivery device means, the membrane means including a membrane skin surface interface means.
Claim 27
Independent Claim
144 words
An apparatus for liposculpturing an area of a body including a skin surface with multiple layers, and an underlying are made of a loculation of fat that has collagen containing tissue as a fibrous septae, comprising: an energy delivery device means; electrolytic media energy delivery means coupled to the energy delivery device means to receive electrolytic energy and transfer the electrolytic energy from the energy delivery device means to the skin surface, the electrolytic media means delivering energy to the skin surface and the energy passing through the skin surface to the underlying collagen containing tissue to contract at least a portion of the collagen containing tissue while minimizing cellular destruction and creating a tightening the skin surface; and a membrane housing means housing at least a portion of the energy delivery device means, the membrane means including a membrane skin surface interface means.
Claim 28
Dependent Claim
31 words
The apparatus of claim 25, wherein the energy delivery device means includes a thermal energy delivery means positioned in the membrane means and delivering thermal energy to the electrolytic media means.
Claim 29
Dependent Claim
34 words
The apparatus of claim 26, further comprising: a focussing element temperature maintenance means that maintains a temperature of the skin surface at a lower temperature than a temperature of the underlying collagen containing tissue.
Claim 30
Dependent Claim
18 words
The apparatus of claim 27, wherein the focusing element temperature maintenance means is positioned in the membrane means.
Claim 31
Dependent Claim
32 words
The apparatus of claim 27, wherein the focussing element temperature maintenance means is positioned at an exterior of the membrane means between the skin surface and the membrane skin interface surface means.
Claim 32
Dependent Claim
29 words
The apparatus of claim 25, further comprising: an electrolytic source electrolytic media delivery means coupled to the membrane means to deliver the electrolytic media means to the membrane means.
Claim 33
Dependent Claim
16 words
The apparatus of claim 25, wherein the energy delivery device means is an RF delivery means.
Claim 34
Dependent Claim
18 words
The apparatus of claim 25, further comprising: an impedance monitor means coupled to the energy delivery device means.
Claim 35
Dependent Claim
18 words
The apparatus of claim 25, further comprising: a thermal sensor means coupled to the energy delivery device means.
Claim 36
Dependent Claim
45 words
The apparatus of claim 25, further comprising: a feedback device energy means coupled to a thermal sensor means and the energy delivery device means and responsive to a detected characteristic of the collage containing tissue to deliver controlled energy to the energy delivery device means.
Claim 37
Dependent Claim
14 words
The apparatus of claim 34, wherein the feedback device means includes a controller means.
Claim 38
Dependent Claim
14 words
The apparatus of claim 35, wherein the feedback device means includes a multiplexer means.
Claim 39
Dependent Claim
14 words
The apparatus of claim 25, wherein the energy delivery means is a microwave means.
Claim 40
Dependent Claim
14 words
The apparatus of claim 25, wherein the energy delivery means is an ultrasound means.
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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) | 2002-02-15 | 2002-08-17 | 2003-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-02-15 | 2006-08-17 | 2007-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-02-15 | 2010-08-17 | 2011-02-16 | $7700.00 | Window Closed / Lapsed |