US6099497A — Dilatation and stent delivery system for bifurcat…

Claim 1

Independent Claim 198 words

A method of treating a lesion in a body at a bifurcation bifurcating a parent vessel into first and second branch vessels, the method comprising: providing a generally tubular member having a proximal end and a distal end and defining a guidewire lumen therein, the guidewire lumen sized to receive first and second guidewires, the generally tubular member having an elongate aperture extending from the distal end thereof proximally and being configured to engage a selected one of the first and second guidewires; loading the first and second guidewires into the guidewire lumen; advancing the first and second guidewires to the bifurcation such that a distal end of the first guidewire is in the first branch vessel and a distal end of the second guidewire is in the second branch vessel; advancing the generally tubular member to the bifurcation over the first and second guidewires; selecting the first guidewire; and advancing the generally tubular member such that the elongate aperture is engaged with the first guidewire so the lumen tracks the second guidewire into the second branch vessel and so the first guidewire exits the guidewire lumen through the elongate aperture and remains in the first branch vessel.

Claim 2

Independent Claim 198 words

A method of treating a lesion in a body at a bifurcation bifurcating a parent vessel into first and second branch vessels, the method comprising: providing a generally tubular member having a proximal end and a distal end and defining a guidewire lumen therein, the guidewire lumen sized to receive first and second guidewires, the generally tubular member having an elongate aperture extending from the distal end thereof proximally and being configured to engage a selected one of the first and second guidewires; loading the first and second guidewires into the guidewire lumen; advancing the first and second guidewires to the bifurcation such that a distal end of the first guidewire is in the first branch vessel and a distal end of the second guidewire is in the second branch vessel; advancing the generally tubular member to the bifurcation over the first and second guidewires; selecting the first guidewire; and advancing the generally tubular member such that the elongate aperture is engaged with the first guidewire so the lumen tracks the second guidewire into the second branch vessel and so the first guidewire exits the guidewire lumen through the elongate aperture and remains in the first branch vessel.

Claim 3

Dependent Claim 26 words

The method of claim 1 providing a generally tubular member comprises: providing a generally tubular wall defining the guidewire lumen, the elongate aperture severing the wall.

Claim 4

Dependent Claim 55 words

The method of claim 2 wherein providing the generally tubular member further comprises: providing a catheter having a distal region forming a second generally tubular member, the catheter further including an inflation lumen extending from the proximal end thereof to the distal end thereof and an elongate aperture extending from a distal end thereof proximally.

Claim 5

Dependent Claim 61 words

The method of claim 3 and further comprising: providing an inflatable member disposed on the distal region of the catheter and having an interior in fluid communication with the inflation lumen wherein the elongate aperture on the catheter extends from the distal end of the catheter proximally to a region of the catheter proximate a proximal end of the inflatable member.

Claim 6

Dependent Claim 74 words

The method of claim 4 wherein selecting the first guidewire comprises selecting the first guidewire with the tubular wall and wherein advancing the generally tubular member comprises: advancing the tubular wall such that the elongate aperture is engaged with the first guidewire so the lumen tracks the second guidewire into the second branch vessel and so the first guidewire exits the guidewire lumen through the elongate aperture and remains in the first branch vessel.

Claim 7

Dependent Claim 83 words

The method of claim 5 and further comprising: selecting the second guidewire with the catheter; and advancing the catheter such that the elongate aperture is engaged with the second guidewire so the lumen tracks the first guidewire into the first branch vessel and so the second guidewire exits the guidewire lumen through the elongate aperture and remains in the second branch vessel, such that the tubular wall is in the second branch vessel and the inflatable member is in the first branch vessel.

Claim 8

Dependent Claim 12 words

The method of claim 6 and further comprising: inflating the inflatable member.

Claim 9

Dependent Claim 19 words

The method of claim 7 and further comprising: withdrawing the tubular wall and the catheter into the parent vessel.

Claim 10

Dependent Claim 62 words

The method of claim 8 and further comprising: selecting the first guidewire with the catheter; and advancing the catheter such that the elongate aperture is engaged with the first guidewire so the lumen tracks the second guidewire into the second branch vessel and so the first guidewire exits the guidewire lumen through the elongate aperture and remains in the first branch vessel.

Claim 11

Dependent Claim 85 words

The method of claim 9 and further comprising: selecting the second guidewire with the tubular wall; and advancing the tubular wall such that the elongate aperture is engaged with the second guidewire so the lumen tracks the first guidewire into the first branch vessel and so the second guidewire exits the guidewire lumen through the elongate aperture and remains in the second branch vessel, such that the inflatable member is in the second branch vessel and the tubular wall is in the first branch vessel.

Claim 12

Dependent Claim 12 words

The method of claim 10 and further comprising: inflating the inflatable member.

Claim 13

Dependent Claim 59 words

The method of claim 4 and further comprising: selecting a same one of the first and second guidewires with both the tubular wall and the catheter; advancing the tubular wall and the catheter until both reside in a same branch vessel and so the inflatable member resides in the lumen of the tubular wall; and inflating the inflatable member.

Claim 14

Dependent Claim 91 words

The method of claim 1 and further comprising: withdrawing the generally tubular member into the parent vessel until both the first and second guidewires are in the guidewire lumen at the distal end of the generally tubular member; selecting the second guidewire; and advancing the generally tubular member such that the elongate aperture is engaged with the second guidewire so the lumen tracks the first guidewire into the first branch vessel and so the second guidewire exits the guidewire lumen through the elongate aperture and remains in the second branch vessel.

Claim 15

Dependent Claim 38 words

The method of claim 13 and further comprising: providing a guidewire sleeve having a lumen therein sized to slidably receive the first and second guidewires and having an outer periphery sized to slidably fit within the guidewire lumen.

Claim 16

Dependent Claim 46 words

The method of claim 14 wherein advancing the generally tubular member to the bifurcation comprises: advancing the guidewire sleeve over the first and second guidewires until a distal end thereof is just proximal of the bifurcation; and advancing the generally tubular member over the guidewire sleeve.

Claim 17

Dependent Claim 32 words

The method of claim 15 wherein withdrawing the generally tubular member comprises: withdrawing the generally tubular member until the distal end thereof is proximal of the distal end of the guidewire sleeve.

Claim 18

Dependent Claim 42 words

The method of claim 1 wherein providing the generally tubular member comprises: providing a catheter having a distal region forming the generally tubular member, the catheter further including an inflation lumen extending from the proximal end thereof to the distal end thereof.

Claim 19

Dependent Claim 58 words

The method of claim 17 and further comprising: providing an inflatable member disposed on the distal region of the catheter and having an interior in fluid communication with the inflation lumen wherein the elongate aperture extends from the distal end of the catheter proximally to a region of the catheter proximate a proximal end of the inflatable member.

Claim 20

Dependent Claim 26 words

The method of claim 1 providing a generally tubular member comprises: providing a generally tubular wall defining the guidewire lumen, the elongate aperture severing the wall.

Claim 21

Independent Claim 171 words

A system for treating a lesion at a bifurcation in a body, the bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: a generally tubular member having a proximal end and a distal end and defining a guidewire lumen therein, the guidewire lumen sized to receive first and second guidewires, the generally tubular member having an elongate aperture extending from the distal end thereof proximally and being configured to engage a selected one of the first and second guidewires such that advancement of the generally tubular member after the elongate aperture is engaged with the selected one of the first and second guidewires causes the lumen to track the unselected guidewire and causes the selected guidewire to exit the guidewire lumen through the elongate aperture; and an elongate member having a distal end coupled to the proximal end of the generally tubular member and having a proximal end, the elongate member having sufficient length to extend from the bifurcation to a region external to the body.

Claim 22

Independent Claim 171 words

A system for treating a lesion at a bifurcation in a body, the bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: a generally tubular member having a proximal end and a distal end and defining a guidewire lumen therein, the guidewire lumen sized to receive first and second guidewires, the generally tubular member having an elongate aperture extending from the distal end thereof proximally and being configured to engage a selected one of the first and second guidewires such that advancement of the generally tubular member after the elongate aperture is engaged with the selected one of the first and second guidewires causes the lumen to track the unselected guidewire and causes the selected guidewire to exit the guidewire lumen through the elongate aperture; and an elongate member having a distal end coupled to the proximal end of the generally tubular member and having a proximal end, the elongate member having sufficient length to extend from the bifurcation to a region external to the body.

Claim 23

Dependent Claim 41 words

The system of claim 20 wherein the generally tubular member comprises a distal region of the elongate member, the elongate member further including an inflation lumen extending from the proximal end thereof to the distal end of the generally tubular member.

Claim 24

Dependent Claim 58 words

The system of claim 21 and further comprising: an inflatable member disposed on the generally tubular member and having an interior in fluid communication with the inflation lumen; and the elongate aperture extending from the distal end of the generally tubular member proximally to a region of the elongate member proximate a proximal end of the inflatable member.

Claim 25

Dependent Claim 22 words

The system of claim 22 wherein the guidewire lumen has a proximal ostium disposed proximate a proximal end of the inflatable member.

Claim 26

Dependent Claim 25 words

The system of claim 20 wherein the generally tubular member comprises: a generally tubular wall defining the guidewire lumen, the elongate aperture severing the wall.

Claim 27

Dependent Claim 37 words

The system of claim 20 and further comprising: a guidewire sleeve having a lumen therein sized to slidably receive the first and second guidewires and having an outer periphery sized to slidably fit within the guidewire lumen.

Claim 28

Dependent Claim 19 words

The system of claim 20 wherein the guidewire lumen extends through the elongate member to the proximal end thereof.

Claim 29

Independent Claim 150 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; and a first inflatable member having a proximal end and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guidewire lumen extending from the proximal end thereof to the distal end thereof and a second guidewire lumen extending from the proximal end thereof to an intermediate region thereof between the proximal and distal ends; wherein the first inflatable member includes a generally tubular wall having a wall thickness and wherein the second guidewire lumen is formed as a cavity within the wall thickness of the generally tubular wall.

Claim 30

Independent Claim 150 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; and a first inflatable member having a proximal end and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guidewire lumen extending from the proximal end thereof to the distal end thereof and a second guidewire lumen extending from the proximal end thereof to an intermediate region thereof between the proximal and distal ends; wherein the first inflatable member includes a generally tubular wall having a wall thickness and wherein the second guidewire lumen is formed as a cavity within the wall thickness of the generally tubular wall.

Claim 31

Dependent Claim 32 words

The system of claim 27 and further comprising: a coil having an inner surface defining the second guidewire lumen and an outer surface in engagement with an inner wall of the cavity.

Claim 32

Dependent Claim 23 words

The system of claim 28 wherein the cavity is expanded to receive the coil and is then shrunk to frictionally engage the coil.

Claim 33

Independent Claim 151 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; a first inflatable member having a proximal end, an intermediate region and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guide wire lumen extending from a proximal opening at the proximal end thereof to a distal opening at the distal end thereof; and a second elongate member having a proximal end and a distal end, the distal end disposed at the intermediate region of the first inflatable member, the second elongate member having a lumen therethrough defining a second guide wire lumen with corresponding proximal and distal openings.

Claim 34

Independent Claim 151 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; a first inflatable member having a proximal end, an intermediate region and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guide wire lumen extending from a proximal opening at the proximal end thereof to a distal opening at the distal end thereof; and a second elongate member having a proximal end and a distal end, the distal end disposed at the intermediate region of the first inflatable member, the second elongate member having a lumen therethrough defining a second guide wire lumen with corresponding proximal and distal openings.

Claim 35

Dependent Claim 20 words

The system of claim 24 wherein the second elongate member is external to, and unattached to, the first inflatable member.

Claim 36

Dependent Claim 39 words

The system of claim 30 and further comprising: a first guidewire insertable through the first guidewire lumen and corresponding proximal and distal openings; and a second guidewire insertable through the second guidewire lumen and corresponding proximal and distal opening.

Claim 37

Independent Claim 169 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; a first inflatable member having a proximal end, an intermediate region and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guide wire lumen extending from a proximal opening at the proximal end thereof to a distal opening at the distal end thereof; and a second inflatable member disposed external to the first inflatable member and having a proximal end adjacent the proximal end of the first inflatable member and a distal end disposed at the intermediate region of the first inflatable member, the second inflatable member having an interior defining at least a distal region of a second guide wire lumen with a corresponding distal opening.

Claim 38

Independent Claim 169 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; a first inflatable member having a proximal end, an intermediate region and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guide wire lumen extending from a proximal opening at the proximal end thereof to a distal opening at the distal end thereof; and a second inflatable member disposed external to the first inflatable member and having a proximal end adjacent the proximal end of the first inflatable member and a distal end disposed at the intermediate region of the first inflatable member, the second inflatable member having an interior defining at least a distal region of a second guide wire lumen with a corresponding distal opening.

Claim 39

Independent Claim 40 words

The system of claim and further comprising: a first guidewire insertable and slidable through the first guidewire lumen and corresponding proximal and distal openings; and a second guidewire insertable and slidable through the second guidewire lumen and corresponding distal opening.

Claim 40

Independent Claim 247 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: a first elongate member having at least one lumen therethrough; a second elongate member having a lumen therethrough and communicating with a lumen of the first elongate member; a third elongate member having a lumen therethrough and communicating with a lumen of the first elongate member; a first inflatable member having a proximal end, an intermediate portion and a distal end and an interior in fluid communication with the lumen in the second elongate member, and having a guidewire lumen extending therethrough from the proximal end to the distal end, the first inflatable member having a first outer diameter, when inflated, between the proximal end and the intermediate portion and a second outer diameter, when inflated, between the intermediate portion and the distal end, the first outer diameter being smaller than the second outer diameter; and a second inflatable member having a proximal end, an intermediate portion and a distal end and an interior in fluid communication with the lumen in the third elongate member, and having a guidewire lumen extending therethrough from the proximal end to the distal end, the second inflatable member having a first outer diameter, when inflated, between the proximal end and the intermediate portion and a second outer diameter, when inflated, between the intermediate portion and the distal end, the first outer diameter being smaller than the second outer diameter.

Claim 41

Independent Claim 247 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: a first elongate member having at least one lumen therethrough; a second elongate member having a lumen therethrough and communicating with a lumen of the first elongate member; a third elongate member having a lumen therethrough and communicating with a lumen of the first elongate member; a first inflatable member having a proximal end, an intermediate portion and a distal end and an interior in fluid communication with the lumen in the second elongate member, and having a guidewire lumen extending therethrough from the proximal end to the distal end, the first inflatable member having a first outer diameter, when inflated, between the proximal end and the intermediate portion and a second outer diameter, when inflated, between the intermediate portion and the distal end, the first outer diameter being smaller than the second outer diameter; and a second inflatable member having a proximal end, an intermediate portion and a distal end and an interior in fluid communication with the lumen in the third elongate member, and having a guidewire lumen extending therethrough from the proximal end to the distal end, the second inflatable member having a first outer diameter, when inflated, between the proximal end and the intermediate portion and a second outer diameter, when inflated, between the intermediate portion and the distal end, the first outer diameter being smaller than the second outer diameter.

Claim 42

Dependent Claim 66 words

The system of claim 35 wherein the first inflatable member is preformed such that, upon inflation, the portion between the proximal end and the intermediate portion thereof has a first longitudinal axis and the portion between the intermediate portion and the distal end thereof has a second longitudinal axis disposed at an angle relative to the first longitudinal axis, the angle being different from 180 degrees.

Claim 43

Dependent Claim 102 words

A catheter, comprising: an elongate member having a proximal end, a distal end and an inflation lumen therethrough; an inflatable member disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen; the elongate member having a guidewire lumen extending from a proximal end of the balloon to a distal end of the balloon, the elongate member having a slit therein communicating with the guidewire lumen, the slit extending from the distal end of the elongate member proximally to a region of the elongate member proximate a proximal end of the inflatable member.

Claim 44

Dependent Claim 102 words

A catheter, comprising: an elongate member having a proximal end, a distal end and an inflation lumen therethrough; an inflatable member disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen; the elongate member having a guidewire lumen extending from a proximal end of the balloon to a distal end of the balloon, the elongate member having a slit therein communicating with the guidewire lumen, the slit extending from the distal end of the elongate member proximally to a region of the elongate member proximate a proximal end of the inflatable member.

Claim 45

Dependent Claim 41 words

The catheter of claim 2 and further comprising: a guidewire sleeve having a lumen therein sized to slidably receive the first and second guidewires and having an outer periphery sized to slidably fit within the guidewire lumen in the elongate member.

Claim 46

Independent Claim 209 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; and a first inflatable member having a proximal end and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guidewire lumen extending from the proximal end thereof to the distal end thereof and a second guidewire lumen extending from the proximal end thereof to an intermediate region thereof between the proximal and distal ends; wherein the first inflatable member includes a second inflatable member disposed within the interior of the first inflatable member, the second inflatable member having a proximal end with a proximal ostium disposed at the proximal end of the first inflatable member and a distal end with a distal ostium disposed at the intermediate region of the first inflatable member and communicating with an exterior of the first inflatable member, the second inflatable member having an interior between the proximal and distal ostiums forming at least a distal region of the second guidewire lumen.

Claim 47

Independent Claim 209 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; and a first inflatable member having a proximal end and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guidewire lumen extending from the proximal end thereof to the distal end thereof and a second guidewire lumen extending from the proximal end thereof to an intermediate region thereof between the proximal and distal ends; wherein the first inflatable member includes a second inflatable member disposed within the interior of the first inflatable member, the second inflatable member having a proximal end with a proximal ostium disposed at the proximal end of the first inflatable member and a distal end with a distal ostium disposed at the intermediate region of the first inflatable member and communicating with an exterior of the first inflatable member, the second inflatable member having an interior between the proximal and distal ostiums forming at least a distal region of the second guidewire lumen.

Claim 48

Independent Claim 163 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; a first inflatable member having a proximal end, an intermediate region and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guidewire lumen extending from the proximal end thereof to the distal end thereof; and a sheath disposed over the proximal end of the first inflatable member and attached to an exterior surface of the first inflatable member to form a channel between the exterior surface of the first inflatable member and the sheath, the channel having a distal ostium at the intermediate region of the first inflatable member and forming at least a distal region of a second guidewire lumen.

Claim 49

Independent Claim 163 words

A system for treating a lesion at a bifurcation bifurcating a parent vessel into first and second branch vessels, the system comprising: an elongate member having a proximal end and a distal end and an inflation lumen extending therethrough; a first inflatable member having a proximal end, an intermediate region and a distal end and being disposed at the distal end of the elongate member and having an interior in fluid communication with the inflation lumen, the first inflatable member including a first guidewire lumen extending from the proximal end thereof to the distal end thereof; and a sheath disposed over the proximal end of the first inflatable member and attached to an exterior surface of the first inflatable member to form a channel between the exterior surface of the first inflatable member and the sheath, the channel having a distal ostium at the intermediate region of the first inflatable member and forming at least a distal region of a second guidewire lumen.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2003-08-08	2004-02-07	2004-08-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2007-08-08	2008-02-07	2008-08-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2011-08-08	2012-02-07	2012-08-08	$7700.00	Window Closed / Lapsed

Dilatation and stent delivery system for bifurcation lesions

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