Dissection handpiece and method for reducing the appearance of cellulite
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-018/14
A61B-017/3203
A61B-017/00
A61B-018/00
A61H-023/02
A61N-005/06
A61N-007/00
A61B-017/30
A61B-017/34
출원번호
US-0852029
(2010-08-06)
등록번호
US-9486274
(2016-11-08)
발명자
/ 주소
Clark, III, Robert L.
Chomas, James E.
Merchant, Adnan I.
Brian, III, Ben F.
출원인 / 주소
ULTHERA, INC.
대리인 / 주소
Knobbe Martens Olson & Bear, LLP
인용정보
피인용 횟수 :
0인용 특허 :
230
초록▼
A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under
A dermatological skin treatment device is provided. The device comprises a handpiece and a cutting tool, wherein the tool is inserted through the conduit and percutaneously inserted into a tissue disposed within a recessed area of the handpiece. The device and method cut the fibrous structures under the skin that cause cellulite at an angle substantially parallel to the surface of the skin and replace these structures with a non-cellulite forming structure by deploying a highly fibrous mesh through a single needle hole to create a highly fibrous layer directly or through wound healing processes.
대표청구항▼
1. A method of treating cellulite, comprising: providing a handpiece having a perimeter elevation and a top which cooperatively define a recessed area, an inner side of the perimeter elevation and top defining a tissue apposition surface facing into the recessed area, and a conduit extending through
1. A method of treating cellulite, comprising: providing a handpiece having a perimeter elevation and a top which cooperatively define a recessed area, an inner side of the perimeter elevation and top defining a tissue apposition surface facing into the recessed area, and a conduit extending through a side of the perimeter elevation into the recessed area, wherein the conduit comprises an entry hole defining a tool pivot point;positioning the handpiece over a first area of target tissue comprising epidermis, dermis, and subcutaneous layers;applying a force to the handpiece to move a portion of the target tissue into the recessed area to substantially fill the recessed area and position a portion of the epidermis in contact with a substantial area of the tissue apposition surface and dispose at least a portion of the subcutaneous layer of the target tissue in the recessed area;inserting a distal end of a tool through the conduit, through the entry hole, through the epidermal and dermal layers and into the subcutaneous layer; and,moving a proximal portion of the tool longitudinally and transversely along a predetermined path of a guidance track, thereby pivoting the tool about the tool pivot point defined by the entry hole and moving the distal end of the tool in both a longitudinal and a transverse direction and in a plane parallel to the top of the handpiece and within the recessed area to create a surgical lesion of a treatment area defined by the predefined path. 2. The method of claim 1, wherein moving the a proximal end of the tool in a longitudinal direction causes the distal end of the tool to move in the same longitudinal direction, and wherein moving the proximal end of the tool in a transverse direction causes the distal end of the tool to move in an opposite transverse direction. 3. The method of claim 1, further comprising: wherein suction from a vacuum source applies the force to move the dermis into the recessed area. 4. The method of claim 1, further comprising: adjusting a height of the top of the handpiece in relation to the entry hole of the conduit within the recessed area to adjust the volume of the recessed area and a depth of the subcutaneous tissue accessible by the tool when inserted through the conduit. 5. The method of claim 4, wherein the top includes a reversible lid, and wherein adjusting a height of the top of the handpiece comprises: disconnecting the reversible lid from the handpiece, turning it over, andreconnecting it to the handpiece. 6. The method of claim 4, wherein adjusting a height of the top of the handpiece comprises: rotating the top of the handpiece with respect to the perimeter elevation along a threaded engagement between the top of the handpiece and the perimeter elevation of the handpiece. 7. The method of claim 4, wherein the top includes a rigid upper lid and a rigid lower lid, the rigid upper lid being fixed with respect to the perimeter elevation, and wherein adjusting a height of the top of the handpiece comprises: inflating a bladder disposed between the rigid upper lid and rigid lower lid tomove the rigid lower lid up and down with respect to a wall of the perimeter elevation, the rigidinner lid being at its lowest point when the bladder is fully expanded and being at its highest point when the bladder is deflated. 8. The method of claim 1, further comprising: removing the distal end of the tool from the subcutaneous tissue;positioning the handpiece over a second area of the target tissue comprising epidermis, dermis, and subcutaneous layers, wherein the second area is proximate to the first area;applying a force to the handpiece to move a portion of the second target tissue into the recessed area to substantially fill the recessed area and position a portion of the epidermis of the second area in contact with a substantial area of the tissue apposition surface and dispose at least a portion of the subcutaneous layer of the second target tissue in the recessed area;inserting a distal end of the tool through the conduit, through the entry hole, and through the epidermal and dermal layers and into the second subcutaneous layer; andmoving the tool longitudinally and transversely along the predetermined path of the guidance track to move the, thereby pivoting the tool about the tool pivot point defined by the entry hole and moving the distal end of the tool in the plane parallel to the top of the handpiece and within the recessed area, to create a second surgical lesion. 9. The method of claim 1, further comprising: removing the distal end of the cutting device from the subcutaneous tissue;positioning the handpiece over a second treatment area located on the dermis, wherein the second treatment area at least partially overlaps the first treatment area;adjusting a height of the top of the handpiece in relation to the entry hole of the conduit within the recessed area to change the volume of the recessed area and a depth of the subcutaneous tissue accessible by the tool;applying a force to the handpiece to move a portion of the second treatment area of the dermis into the recessed area to substantially fill the recessed area, such that a portion of the second treatment area of the dermis is in contact with a substantial area of the tissue apposition surface and a second layer of subcutaneous tissue is disposed in the recessed area;inserting a distal end of a tool through the conduit and into the second layer of subcutaneous tissue; andguiding the tool along the predetermined path of the guidance track to move the distal end of the tool in the plane parallel to the top of the handpiece and within the recessed area, to create a second surgical lesion of the predetermined shape defined by the guidance track. 10. The method of claim 1, wherein the tool is an elongated RF probe, and wherein creating a surgical legion includes applying one of a RF energy or a heat to ablate a portion of the subcutaneous tissue. 11. The method of claim 1, wherein the portion of the subcutaneous tissue is a fibrous septae and the creating of the surgical lesion includes cutting the fibrous septae. 12. The method of claim 1, wherein the tool is a catheter having a high-pressure fluid jet, and wherein creating a surgical lesion includes injecting a fluid at a high pressure and parallel to the top of the handpiece to displace a portion of the subcutaneous tissue. 13. The method of claim 1, further comprising: inserting a distal end of a shaft and a keeper rod through the conduit and into the surgical lesion, the shaft and keeper rod having a mesh furled around the distal end of the shaft and the keeper rod;simultaneously rotating the shaft about its longitudinal axis while anchoring an edge of the mesh with the keeper rod and moving the distal end of the shaft away from the distal end of the keeper rod by pivoting the shaft about the entry hole of the conduit to unfurl the mesh in the surgical lesion; andwithdrawing the shaft and the keeper rod from the surgical lesion and the recessed area. 14. The method of claim 1, wherein the conduit is wider at a point furthest from the entry hole. 15. The method of claim 1, wherein the tool comprises a cutting blade. 16. The method of claim 1, wherein the distal end of the tool and the proximal end of the tool define a line passing through the entry hole of the conduit, and wherein the distal end of the tool is coplanar with the conduit during the generation of the surgical lesion. 17. The method of claim 1, wherein the tool further comprises a guide pin that operably interacts with the guidance track to move the tool along the predetermined path. 18. The method of claim 17, wherein the guide pin comprises a flange and the guidance track is undercut and the interface between the flange and the undercut operably interact to move the tool along the predetermined path.
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