Patent ID: 7942848

Claim:
A medical apparatus for distributing a predetermined amount of foreign substance to a predetermined area in living body comprising: A main tube; A first cuff wherein said first cuff comprises of a predetermined size, a predetermined shape and a material wherein said material is intact or impermeable; A second cuff wherein said second cuff comprises of a predetermined size, a predetermined shape, porous material and/or permeable material or combination thereof, wherein said first cuff is embedded in said second cuff and wherein said second cuff serves as a depot of drug to be released to patients and wherein said second cuff allows equal distribution of a predetermined amount of a drug to a predetermined area in a living body; A third cuff wherein said third cuff comprises of a predetermined size, a predetermined shape and made of material wherein said material consists of porous materials and wherein said first cuff and said second cuff are entirely embedded in said third cuff and wherein said third cuff serves as an immediate releasing depot of a drug outwards to bring said drug into a direct contact with a predetermined area and wherein said second cuff allows equal distribution of a predetermined amount of drug to a predetermined area in a living body; A first tube comprising a pilot balloon wherein said first tube is implanted to said main tube for allowing a delivery of a predetermined amount of air into said first cuff; A second tube comprising a pilot balloon wherein said second tube is implanted to said main tube for allowing a delivery of a predetermined amount of foreign substance to said second cuff; A third tube comprising a pilot balloon wherein said third tube is implanted to said main tube for allowing a delivery of a predetermined amount of foreign substance to said third cuff.