Method and device for anastomoses

1 . A device for fusing at least two materials of which at least one material is a tissue, comprising:

an inductively fusable biocompatible material;

at least one induction coil disposed in relation to the biocompatible material and effective to generate a radiofrequency-induced oscillating magnetic field both proximal to and penetrating into the biocompatible material;

an envelope containing the induction coil;

means for cooling the induction coil; and

means for controlling output of heat generated within said biocompatible material disposed therewithin.

2 . The device of claim 1 , wherein said biocompatible material is a liquid, a solid or semi-solid.

3 . The device of claim 1 , wherein said biocompatible material comprises one or more of a protein, a biocompatible polymer, or a polymeric matrix substance or comprises an ionic composition.

4 . The device of claim 1 , where the biocompatible material is a tissue.

5 . The device of claim 1 , wherein the biocompatible material further comprises one or more pharmaceutical compounds.

6 . The device of claim 1 , wherein the induction coil comprises metal tubing, metal tubing coated with another metal or non-metallic tubing coated with a metal.

7 . The device of claim 1 , wherein the induction coil is a metal applied to a surface of an electrically non-conductive substrate.

8 . The device of claim 7 , wherein the metal is applied by painting, printing or plasma deposition.

9 . The device of claim 1 , wherein the induction coil has a shape conforming to a tissue geometry.

10 . The device of claim 1 , wherein the induction coil is curved in shape.

11 . The device of claim 1 , wherein the envelope comprises a non-electrically conductive material.

12 . The device of claim 11 , wherein the non-electrically conductive material is a glass.

13 . The device of claim 12 , wherein the glass further comprises one or more plastics, one or more resins, one or more ceramics, PTFE, mica, or a woven glass.

14 . The device of claim 1 , wherein the means for cooling the induction coil is a cooling fluid contained within the envelope outside of the coil, circulated outside of envelope or circulated inside of the coil.

15 . The device of claim 14 , wherein the cooling fluid in the envelope has a low dielectric constant.

16 . The device of claim 15 , wherein said cooling fluid is water, mineral oil, silicone oil, a cryogen, carbon dioxide, 1,1,1,2-tetrafluoroethane, ethyl chloride, a fluorohydrocarbon, or alkane mixtures.

17 . The device of claim 1 , wherein the means for controlling output of heat comprises a conductive material having a thermal history such that application of the radiofrequency-induced alternating magnetic field thereto generates an estimable amount of heat.

18 . The device of claim 17 , wherein said conductive material is a metal wire, a metal particle, a ferromagnetic material, a paramagnetic material, a conducting polymer, an ionic molecule, a polar molecule, or a conducting microsphere.

19 . The device of claim 17 , wherein said conductive material is an energy-absorbing material comprising conducting polystyrene microbeads, a colloidal metal, a conducting polymer, a strongly ionic molecule or a strongly polar molecule.

20 . A method for fusing two materials of which least one is a tissue, comprising the steps of:

positioning the device of claim 1 around the two materials, said materials simultaneously in contact with the inductively fusable biocompatible material of the device and with each other;

applying the radiofrequency-induced oscillating magnetic field to the fusable biocompatible material;

generating heat within the biocompatible material; and

controlling output of heat to the materials to be fused via the heat controlling means of the device, said heat output fusing the materials together.