Drug dispensing device for transdermal delivery of medicaments
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/00
A61K-009/70
A61L-015/00
A01N-025/34
출원번호
US-0845500
(1986-03-31)
발명자
/ 주소
Hymes Alan C. (Minnetonka MN) Ong Lincoln T. (Minnetonka MN) Persons Garry R. (Edina MN)
출원인 / 주소
Lec Tec Corporation (Minnetonka MN 02)
인용정보
피인용 횟수 :
98인용 특허 :
2
초록▼
A flexible, liquid-absorbing, adhesive skin reservoir includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix including a solid phase formed of a synthetic polymer and/or a long chain natural or synthetic polysacch
A flexible, liquid-absorbing, adhesive skin reservoir includes a backing element and a substrate attached to the backing element. The substrate comprises a homogeneous, hydrophilic, stable matrix including a solid phase formed of a synthetic polymer and/or a long chain natural or synthetic polysaccharide, or a combination thereof. The liquid phase of the matrix consists of water, hydric alcohol, carbohydrates and/or proteins in an aqueous solution, and/or a combination thereof. The matrix contains a medicament therein for release to the affected areas for local and/or systemic medicinal effect.
대표청구항▼
A flexible, liquid-absorbent, nonbiodegradable adhesive reservoir to be applied to a patient comprising: a flexible backing element selected from the group consisting of cotton, paper, synthetic fabric and plastic, a substrate attached to said backing element comprising a homogeneous, hydrophilic, s
A flexible, liquid-absorbent, nonbiodegradable adhesive reservoir to be applied to a patient comprising: a flexible backing element selected from the group consisting of cotton, paper, synthetic fabric and plastic, a substrate attached to said backing element comprising a homogeneous, hydrophilic, stable matrix being sufficiently pliant to conform to the shape of the body contours, said matrix including a solid face comprising about 1% to 50% of the total weight of the matrix and formed for a high-molecular natural and/or synthetic polysaccharide and/or a synthetic polymer selected from the group consisting of: polyacrylic acid, polyacrylamide and their cogeners, vinyl acetate ethylene copolymer, vinyl acetate dioctyl maleate copolymer, synthetic and natural polysacchacrid gums, starch-g-poly, and a crosslinked ester of ab50% to 98% by weight of the matrix, said matrix containing a medicament selected from the group consisting of cardiovascular drugs, vasodialators, anti-arrythmic drugs and anti-hypertensive drugs, and antibacterial agent, antiseptic agent, anti-inflammatory agent, anti-pruretic agent, hormonal agent, keratolytic agent, skin protective agent and a rubefacient agent, said reservoir when applied to a patient forming a hydrophilic bridge with the patient\s skin to allow the progressive release of the medicament across the hydrophilic bridge the hydrophilic hydrated matrix maintaining the medicament in a hydrated state allowing for free diffusion and dynamic tranfer thereof through the reservoir to the skin interface and the hydrated state of the matrix providing hydrophilic adhesive properties rendering the substrate tacky to enhance adhesion to the skin.
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이 특허에 인용된 특허 (2)
Hymes ; Alan C., Monitoring and stimulation electrode.
Baron,Richard; Boulier,Paul; Gilbert,Michael; Nguyen,Thanh V.; Rizzo,Frank; Shih,Frank Y., Adhesive articles which contain at least one hydrophilic or hydrophobic layer, method for making and uses for same.
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