Anastomotic device

Details Anastomotic device Anastomotic device

1990-11-15

1993-01-19

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

606155, A61F 204

Patent

active

051803925

ABSTRACT:
A prosthesis for use in joining hollow, e.g. tubular, organ parts or systems, said prosthesis comprising a fragmentable body defining outer organ-supporting surface parts thereon adapted to be arranged in abutting relationship with inner surface parts of the organs to be joined, said body having a compressive strength sufficiently low to allow fragmentation of the body by application of a pressure to the outer surface of the tubular organs subsequently to the joining of the same, said pressure being below a pressure causing any substantial lesion of the tissue of the tubular organ parts. The material of the prosthesis is preferably one or more degradable and/or erodable and/or water-soluble, essentially non-toxic materials which are solid at a temperature of 40.degree. C. or higher, in particular 60.degree. C. or higher, the material preferably being a polyether, more preferably a polyglycol, in particular polyethylene glycol such as polyethylene glycol with an average molecular weight of from 10,000 to 35,000, especially about 20,000.
As shown in FIG. 3, the prosthesis (1) may have tapered outer ends (3) as well as an intermediary portion (4) between the organ-supporting parts and having a smaller diameter. In another embodiment as shown in FIG. 9 or FIG. 13, the end portions may consist of longitudinally and inwardly radially extending fins (11) to give the prosthesis tapering end portions. In a further embodiment, the prosthesis may be a section of tubing with ends cut at an oblique or right angle.

REFERENCES:
patent: 1470707 (1923-10-01), Bates
patent: 2428918 (1947-10-01), Miller
patent: 3155095 (1964-11-01), Brown
patent: 3620218 (1971-11-01), Schmitt
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patent: 3938528 (1976-02-01), Bucalo
patent: 4182339 (1980-01-01), Hardy, Jr.
patent: 4483339 (1984-11-01), Gillis
patent: 4552148 (1985-11-01), Hardy, Jr. et al.
patent: 4587969 (1986-05-01), Gillis
patent: 4743258 (1988-05-01), Ikada et al.
patent: 4770176 (1988-09-01), McGreevy et al.

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