Hydrogel implants with varying degrees of crosslinking
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/00
A61F-002/00
출원번호
US-0115060
(2011-05-24)
등록번호
US-8734824
(2014-05-27)
발명자
/ 주소
Bennett, Steven
Mast, Nathaniel
Lavigne, Kevin
Skalla, Walter
출원인 / 주소
Covidien LLP
인용정보
피인용 횟수 :
3인용 특허 :
30
초록▼
The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as precursors that react upon contact with an initiator. In embodiments, the resulting hydrogels may have varying le
The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as precursors that react upon contact with an initiator. In embodiments, the resulting hydrogels may have varying levels of crosslinking with both denser and less dense regions.
대표청구항▼
1. A mesh implant comprising: a filamentous substrate; and a film coating on at least a portion of the filamentous substrate, the film coating comprising a freeze-dried composition comprising an initiated precursor comprising at least one vinyl group, in combination with a first reactive precursor c
1. A mesh implant comprising: a filamentous substrate; and a film coating on at least a portion of the filamentous substrate, the film coating comprising a freeze-dried composition comprising an initiated precursor comprising at least one vinyl group, in combination with a first reactive precursor comprising a multi-arm polyether possessing electrophilic groups, and a second reactive precursor comprising nucleophilic groups, wherein the first reactive precursor and the second reactive precursor form a first hydrogel upon hydration in the body to releasably attach the mesh to tissue, and the initiated precursor can be exposed to an initiator to form a second hydrogel securely affixing the mesh to tissue. 2. The mesh implant of claim 1, wherein the first hydrogel is hydrated upon contact with a fluid selected from the group consisting of saline, body fluids, and combinations thereof. 3. The mesh implant of claim 1, wherein the first reactive precursor, comprises a core selected from the group consisting of polyethylene glycol, polyethylene oxide, polyethylene oxide-co-polypropylene oxide, co-polyethylene oxide block copolymers, co-polyethylene oxide random copolymers, and combinations thereof, and wherein the second reactive precursor comprises a core comprising a component selected from the group consisting of polyethylene glycol, polyethylene oxide, polyethylene oxide-co-polypropylene oxide, co-polyethylene oxide block copolymers, co-polyethylene oxide random copolymers, polyvinyl alcohol, poly(vinyl pyrrolidinone), poly(amino acids), dextran, chitosan, alginates, carboxymethylcellulose, oxidized cellulose, hydroxyethylcellulose, hydroxymethylcellulose, hyaluronic acid, albumin, collagen, casein, gelatin, and combinations thereof. 4. The mesh implant of claim 1, wherein the first reactive precursor possesses N-hydroxysuccinimide groups and the second reactive precursor possesses amine groups. 5. The mesh implant of claim 1, wherein the initiated precursor is selected from the group consisting of acrylic acid, methacrylic acid, phosphorylcholine containing monomers, furanone functional vinyl monomers, potassium sulfopropyl acrylate, potassium sulfopropyl methacrylate, n-vinyl pyrrolidone, hydroxyethyl methacrylate, vinyl monomers having a high refractive index, siloxane functional vinyl compounds, polyethylene glycol-silicone co-monomers having vinyl groups, tris acrylate, pyrrole, liquid crystalline vinyl monomers, liquid crystalline vinyl polymers, and combinations thereof. 6. The mesh implant of claim 1, further comprising an initiator selected from the group consisting of redox initiators, free radical initiators, radiation, and combinations thereof. 7. The mesh implant of claim 6, wherein the radiation is selected from the group consisting of heat, visible light, ultraviolet light, gamma ray, and electron beam. 8. The mesh implant of claim 1, further comprising a bioactive agent. 9. The mesh implant of claim 1, wherein the first hydrogel has a modulus of from about 10 kPa to about 50 kPa, and the second hydrogel has a modulus of from about 60 kPa to about 200 kPa.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (30)
Sawhney,Amarpreet S., Adhesion barriers applicable by minimally invasive surgery and methods of use thereof.
Rhee Woonza (Palo Alto CA) Wallace Donald G. (Menlo Park CA) Michaels Alan S. (Boston MA) Burns ; Jr. Ramon A. (Fremont CA) Fries Louis (Los Altos CA) DeLustro Frank (Belmont CA) Bentz Hanne (Newark , Biologically inert, biocompatible-polymer conjugates.
Rhee Woonza (Palo Alto CA) Wallace Donald G. (Menlo Park CA) Michaels Alan S. (Boston MA) Burns ; Jr. Ramon A. (Fremont CA) Fries Louis (Los Altos CA) DeLustro Frank (Belmont CA) Bentz Hanne (Newark , Collagen-polymer conjugates.
Rhee Woonza (Palo Alto CA) Wallace Donald G. (Menlo Park CA) Michaels Alan S. (Boston MA) Burns ; Jr. Ramon A. (Fremont CA) Fries Louis (Los Altos CA) DeLustro Frank (Belmont CA) Bentz Hanne (Newark , Implants coated with collagen-polymer conjugates.
Rhee Woonza M. ; Berg Richard A. ; Chu George H. ; DeLustro Frank A. ; Jolivette Dan M. ; McCullough Kimberly A., Injectable or implantable biomaterials for filling or blocking lumens and voids of the body.
Rhee Woonza (Palo Alto CA) Wallace Donald G. (Menlo Park CA) Michaels Alan S. (Boston MA) Burns ; Jr. Ramon A. (Fremont CA) Fries Louis (Los Altos CA) DeLustro Frank (Belmont CA) Bentz Hanne (Newark , Method of augmenting tissue with collagen-polymer conjugates.
Rhee Woonza M. (Palo Alto CA) Berg Richard A. (Los Altos CA) Rosenblatt Joel S. (Palo Alto CA) Tefft Jacqueline A. (Redwood City CA) Braga Larry J. (Fremont CA) Smestad Thomas L. (Palo Alto CA), Method of preparing crosslinked biomaterial compositions for use in tissue augmentation.
Hubbell Jeffrey A. (Austin TX) Pathak Chandrashekhar P. (Waltham MA) Sawhney Amarpreet S. (Newton MA) Desai Neil P. (Los Angeles CA) Hill Jennifer L. (Austin TX), Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.