# US 11,298,220 B2 · Breast treatment device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,298,220 B2 - Document ID: US11298220B2 - Status: Granted - Kind: B2 - Application number: 16/864,670 - Filed: 2020-05-01 - Published: 2020-11-05 - Granted: 2022-04-12 - Earliest claimed: 2019-05-03 - Assignees: LifeCell Corporation - Applicants: LifeCell Corporation - Inventors: Kai-Roy Wang; Sangwook Park - Web page: https://patentgrep.com/patent/US11298220B2 ## CPC - A61F 2/12: Mammary prostheses - A61F 2/0063: {Implantable repair or support meshes, e.g. hernia meshes} - A61L 27/18: obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds - A61L 27/362: {Skin, e.g. dermal papillae} - A61F 2220/0075: sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable - A61F 2230/0071: spherical - A61F 2240/001: Designing or manufacturing processes - A61F 2250/0004: adjustable - A61F 2250/0051: differing in tissue ingrowth capacity, e.g. made from both ingrowth-promoting and ingrowth-preventing parts - A61F 2310/00005: The prosthesis being constructed from a particular material - A61L 2430/04: for mammary reconstruction - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K) ## Abstract Techniques and devices for improved breast surgeries are provided. The devices can include tissue matrix and synthetic meshes for surrounding breast implants or tissue expanders to provide improved implant outcomes for pre-pectoral implantation or other implantation techniques. ## Claims ### Claim 1 A method for treatment of a breast, comprising: selecting a breast implant or tissue expander; selecting a synthetic mesh; selecting a layer of acellular tissue matrix; applying the synthetic mesh to a posterior portion of the breast implant or tissue expander; applying the acellular tissue matrix to an anterior portion the breast implant or tissue expander; securing the synthetic mesh to the acellular tissue matrix; and implanting the breast implant or tissue expander in an implantation site, wherein the synthetic mesh and the acellular tissue matrix are secured to the breast implant or tissue expander by inserting at least one strap attached to the synthetic mesh through at least one hole in the acellular tissue matrix. ### Claim 2 (depends on 1) The method of claim 1, further comprising: adjusting a position and a projection of the breast implant or tissue expander in the implantation site. ### Claim 3 (depends on 2) The method of claim 2, wherein the position and the projection of the breast implant or tissue expander in the implantation site are adjusted by manipulating the at least one strap attached to the synthetic mesh. ### Claim 4 (depends on 1) The method of claim 1, further comprising securing the breast implant or tissue expander in the implantation site. ### Claim 5 (depends on 1) The method of claim 1, wherein the breast implant or tissue expander is implanted anterior to a pectoral muscle. ### Claim 6 (depends on 1) The method of claim 1, wherein the synthetic mesh comprises polyglycolic acid. ### Claim 7 (depends on 6) The method of claim 6, wherein the synthetic mesh comprises polyglactin 910. ### Claim 8 (depends on 1) The method of claim 1, wherein the acellular tissue matrix comprises a dermal acellular tissue matrix. ### Claim 9 (depends on 1) The method of claim 1, wherein after inserting the at least one strap, a position and a projection of the synthetic mesh and the acellular tissue matrix are adjusted in the implantation site by manipulating the at least one strap. ### Claim 10 (depends on 1) The method of claim 1, wherein the at least one strap is inserted through at least one hole in the synthetic mesh. ### Claim 11 (depends on 10) The method of claim 10, wherein the at least one hole in the synthetic mesh is adjacent to the at least one hole in the acellular tissue matrix. ### Claim 12 A device for breast treatment, comprising: a breast implant or tissue expander; a synthetic mesh comprising at least one strap; and a layer of acellular tissue matrix, wherein the synthetic mesh comprises at least one strap and the acellular tissue matrix comprises at least one hole, and the at least one strap and at least one hole are configured to secure the layer of acellular tissue matrix to an anterior portion of the breast implant or tissue expander and the synthetic mesh to a posterior portion of the breast implant or tissue expander. ### Claim 13 (depends on 12) The device of claim 12, wherein the synthetic mesh comprises polyglycolic acid. ### Claim 14 (depends on 13) The device of claim 13, wherein the synthetic mesh comprises polyglactin 910. ### Claim 15 (depends on 12) The device of claim 12, wherein the acellular tissue matrix comprises a dermal acellular tissue matrix. ### Claim 16 (depends on 12) The device of claim 12, wherein the at least one strap allows adjustment of a position and a projection of the breast implant or tissue expander in an implantation site. ### Claim 17 (depends on 16) The device of claim 16, wherein the at least one strap is inserted through the hole in the acellular tissue matrix. ### Claim 18 (depends on 12) The device of claim 12, wherein the synthetic mesh is configured to be secured to tissue in an implantation site. ### Claim 19 (depends on 12) The device of claim 12, wherein the synthetic mesh comprises at least two straps.