Anastomosis device, tools and method of using
First Claim
Patent Images
1. A device for use in making an anastomosis between tubular fluid conduits in the body of a patient, said device comprising a unitary structure having a main body disposed annularly about a longitudinal axis and having first and second end portions;
- a plurality of members extending radially outwardly from said first end portion; and
said second end portion having a plurality of spaced struts adapted to buckle in a radially outward direction upon axial compression of said device.
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0 Petitions
Accused Products
Abstract
Anastomosis devices, tools and methods of performing sutureless anastomosis.
131 Citations
55 Claims
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1. A device for use in making an anastomosis between tubular fluid conduits in the body of a patient, said device comprising a unitary structure having a main body disposed annularly about a longitudinal axis and having first and second end portions;
- a plurality of members extending radially outwardly from said first end portion; and
said second end portion having a plurality of spaced struts adapted to buckle in a radially outward direction upon axial compression of said device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
- a plurality of members extending radially outwardly from said first end portion; and
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22. A device for use in making an anastomosis between first and second tubular fluid conduits in the body of a patient, said device comprising a unitary structure having a main body disposed annularly about a longitudinal axis, having proximal and distal end portions, and adapted for passing the first tubular conduit through an annulus defined by the main body;
- an exterior of said main body configured to be inserted through an opening in the second tubular conduit;
at least one member extending from said proximal end portion configured to abut against an external wall of the second conduit upon insertion of said main body through said opening;
said distal end portion being configured to buckle in response to axial compression of said device, wherein said distal end portion is incapable of passing through said opening after buckling and exerts a compressive force between the first conduit and the wall of the second conduit upon buckling. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
- an exterior of said main body configured to be inserted through an opening in the second tubular conduit;
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31. A anastomosis device comprising a unitary structure having a main body having an outside diameter adapted to pass through and form a close fit with an opening formed in a wall of a conduit to be joined by anastomosis, said main body defining an annulus having an inside diameter, said annulus extending longitudinally through said body, said body having proximal and distal end portions, an extension portion extending from said proximal end portion and configured to be incapable of passing through the opening;
- and conduit retainers on said distal end portion adapted to retain a free end portion of a conduit having been passed through said annulus and everted over said proximal end portion.
- View Dependent Claims (32, 33, 34, 35, 36)
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37. A device for use in making an anastomosis between first and second tubular fluid conduits in the body of a patient, said device comprising a unitary structure having a main body disposed annularly about a longitudinal axis, having proximal and distal end portions, and adapted for passing the first tubular conduit through an annulus defined by the main body;
- an exterior of said main body configured to be inserted through an opening in the second tubular conduit;
at least one member extending from said proximal end portion configured to abut against an external wall of the second conduit upon insertion of said main body through said opening;
said distal end portion being configured to buckle in response to axial compression of said device, wherein said distal end portion is incapable of passing through said opening after buckling and exerts a compressive force between the first conduit and the wall of the second conduit upon buckling;
said distal end portion further comprising conduit retainers, wherein, upon passing the first conduit through said main body, a free end of the first conduit is everted over a distal end of the device and retained by said conduit retainers; and
at least one locking tine integral with said distal end portion and slidably connecting with said proximal end portion.
- an exterior of said main body configured to be inserted through an opening in the second tubular conduit;
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38. A deployment instrument configured to capture an anastomosis device adapted for making an anastomosis between tubular fluid conduits in the body of a patient and comprising a unitary structure having a main body disposed annularly about a longitudinal axis, having first and second end portions and configured to be loaded with a first of the two conduits to be joined by the anastomosis, wherein the conduit is loaded by passing a free end thereof through an internal space defined by said main body in a direction from said first end portion to said second end portion and everting an end of the first conduit over said second end portion;
- said instrument comprising;
first and second tubes concentrically arranged for axial sliding movement with respect to one another, said first tube having a first outside diameter and further having a gradually increasing second outside diameter on a distal end portion thereof;
said second tube having an inside diameter slightly greater than said first outside diameter such that said second tube is free to slide with respect to said first outside diameter of said first tube;
said second tube having radially expandable members defining a radially expandable distal end portion, wherein, upon sliding said radially expandable distal end portion into contact with distal end portion of said first tube, said gradually increasing outside diameter of said first tube distal end portion drives said radially expandable members radially outward; and
, upon sliding said distal end portion of said first tube out of contact with said radially expandable distal end portion of said second tube, said radially expandable members return to an unbiased, non-expanded configuration. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51)
- said instrument comprising;
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52. A method of performing an anastomosis to join a first conduit to a second conduit, said method comprising the steps of:
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inserting a free end of the first conduit through an annular space defined by an anastomosis device comprising a unitary structure having a main body disposed annularly about a longitudinal axis and having first and second end portions;
at least one first end member extending further radially outward than a radial extent of said annularly disposed main body; and
graft retaining members extending from said second end portion, the graft being inserted in a direction from said first end portion to said second end portion so that the free end extends from a second end of the device;
everting the extending free end of the graft over the second end of the device and retaining the everted free end with the graft retaining members;
forming an opening through a wall of the second conduit, wherein the opening is dimensioned to allow the everted end and main body, but not the at least one first end member to pass therethrough;
inserting the device and graft into the opening until the at least one first end member abuts the external wall of the second conduit; and
compressing the device to buckle the second end portion, wherein the second end portion, upon buckling is no longer capable of passing back through the opening. - View Dependent Claims (53, 54, 55)
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Specification