US 7,094,247 B2 · Intussusception and anastomosis apparatus

Abstract

Apparatus for intratubular intussusception and anastomosis of a hollow organ portion including a cylindrical enclosure, coaxial intratubular intussusception device, for intussusception and clamping means. The apparatus also includes an intratubular anastomosis apparatus for joining organ portions after intussusception thereof with an anastomosis ring and crimping support element. The ring is formed of a shape memory alloy wire, for crimping adjacent organ portions against the crimping support element so as to cause anastomosis therebetween. The ring assumes a plastic or malleable state, at a lower temperature and an elastic state at a higher temperature. The apparatus further includes the crimping support element for intratubular insertion so as to provide a support for crimping the organ portions against the support element. The apparatus additionally includes a surgical excising means, for excising an intussuscepted organ portion, after crimping adjacent intussuscepted organ walls against the crimping support element with the anastomosis ring.

Claims16

Dependent claims

An intratubular anastomosis apparatus for joining organ wall portions of a hollow organ after intussusception, said apparatus including:

a) an anastomosis ring, including a length of a wire formed of a shape memory alloy defining a closed generally circular shape, having a central opening, and having overlapping end portions, said anastomosis ring for crimping adjacent intussuscepted organ wall portions against a crimping support element so as to cause anastomosis therebetween,
wherein, said anastomosis ring and said shape memory alloy assumes
i) a plastic or malleable state, when at a first, lower temperature;
and
ii) an elastic state, when reaching at least a second, higher temperature,
thereby enabling said anastomosis ring to retain a preselected configuration at the first, lower temperature, and an elastic crimping configuration upon reverting to the second, higher temperature;
and
b) said crimping support element for intratubular insertion so as to provide a support for crimping said organ wall portions against said support element, said crimping support element having:
i) a generally cylindrical side-wall;
ii) proximal and distal end walls formed generally transversely to said side-wall, thereby to define therewith said crimping support element;
iii) a generally axial aperture for providing flow communication therethrough;
and
iv) an attachment means for operationally engaging said crimping support element to a crimping applicator member so as to position said crimping support element adjacent to said anastomosis ring for facilitating crimping of preselected wall portions of a hollow organ therebetween.

10 more elements

Apparatus for intratubular intussusception and anastomosis of a preselected wall portion of a hollow organ, said apparatus including:

a) a generally cylindrical enclosure member having a proximal and a distal end;
b) an intratubular intussusception device, generally coaxially disposed within said enclosure member, for intussusception of a preselected hollow organ portion to be excised from the hollow organ, said intussusception device including:
i) clamping means disposed at a distal end of said device;
and
ii) activating means, operationally connected to said clamping means, disposed at a proximal end of said device;
c) an intratubular anastomosis apparatus disposed within said enclosure member for joining the wall portions of the hollow organ after intussusception, said anastomosis apparatus including:
i) an anastomosis ring, including a length of a wire formed of a shape memory alloy defining a closed generally circular shape, having a central opening, and having overlapping end portions, said anastomosis ring for crimping adjacent intussuscepted organ wall portions against a crimping support element so as to cause anastomosis therebetween,
wherein, said anastomosis ring and said shape memory alloy assumes
(1) a plastic state, when at a first, lower temperature;
and
(2) an elastic state, when reaching at least a second, higher temperature,
thereby enabling said anastomosis ring to retain a preselected configuration at the first, lower temperature, and an elastic crimping configuration upon reverting to the second, higher temperature;
and
ii) said crimping support element for intratubular insertion so as to provide a support for crimping said organ wall portions against said support element, said crimping support element having:
(1) a generally cylindrical side-wall;
(2) proximal and distal end walls arranged generally transversely to said side-wall, thereby to define therewith said crimping support element;
(3) a generally axial aperture for providing flow communication therethrough;
and
(4) an attachment means for operationally engaging said crimping support element to a crimping support element applicator member so as to position said crimping support element adjacent to said anastomosis ring;
and
d) a surgical excising means, for excising the preselected intussuscepted hollow organ portion, said excising means operatively associated with said intratubular anastomosis apparatus, selectably operable, after crimping adjacent intussuscepted organ wall portions against said crimping support element with said anastomosis ring.

18 more elements

Dependencies are inferred from the claim text.

Intussusception and anastomosis apparatus

Life of this patent

Intussusception and anastomosis apparatus

Life of this patent

Abstract

Claims16