Anastomosis device having at least one frangible member

1. Apparatus, comprising:

an anastomosis device including at least one curved prong and at least one second element;

wherein at least one said curved prong is frangible;

wherein at least one said curved prong is connectible to at least one said second element; and

wherein at least one said second element includes at least one opening therethrough and at least one deflectable tab extending into said opening, wherein one said curved prong is receivable into each said opening and engageable by at least one said tab.

2. The apparatus of claim 1 , wherein said anastomosis device includes a single second element.

3. The apparatus of claim 2 , wherein said second element is substantially annular.

4. The apparatus of claim 1 , wherein at least one said second element is composed of superelastic material.

5. The apparatus of claim 4 , wherein said superelastic material is nickel-titanium alloy.

6. Apparatus, comprising:

an anastomosis device comprising at least one inner element having a frangible curved prong connected thereto and at least one outer element spaced longitudinally apart from at least one said inner element and connectable to at least one said inner element by at least one said frangible curved prong;

wherein at least one said outer element includes at least one opening therethrough and at least one deflectable tab extending into said opening, wherein a curved prong is receivable into each said opening and engageable by at least one said tab.

7. The apparatus of claim 6 , wherein said anastomosis device includes a singie outer element.

8. The apparatus of claim 7 , wherein said outer element is substantially annular.

9. The apparatus of claim 6 , wherein at least one said outer element is composed of superelastic material.

10. The apparatus of claim 9 , wherein said superelastic material is nickel-titanium alloy.