US6629981B2 — Stent delivery system

Claim 1

Independent Claim 69 words

A stent delivery device for delivering a stent into the urethra of a patient, the stent having a first end and a second end, the delivery device comprising: an inner tube having a distal end releasably connectable to the first end of the stent; and an outer tube being rotatably slideable over the inner tube and having a distal end releasably connectable to the second end of the stent.

Claim 2

Dependent Claim 69 words

A stent delivery device for delivering a stent into the urethra of a patient, the stent having a first end and a second end, the delivery device comprising: an inner tube having a distal end releasably connectable to the first end of the stent; and an outer tube being rotatably slideable over the inner tube and having a distal end releasably connectable to the second end of the stent.

Claim 3

Dependent Claim 34 words

The stent delivery device of claim 1 , further comprising a main body having a proximal end and a distal end, the inner tube and the outer tube extending distally from the main body.

Claim 4

Dependent Claim 18 words

The stent delivery device of claim 1 , further comprising a sheath being slideable over the outer tube.

Claim 5

Dependent Claim 25 words

The stent delivery device of claim 3 , further comprising a trigger operably connected to the sheath for moving the sheath along the outer tube.

Claim 6

Dependent Claim 51 words

The stent delivery device of claim 3 , wherein the sheath is moveable to a first fixed position wherein a distal end of the sheath is between the first and second ends of the stent, and a second position wherein the distal end of the sheath is proximal to the stent.

Claim 7

Dependent Claim 28 words

The stent delivery device of claim 1 , further comprising a belt operably connected to the outer tube for rotating the outer tube relative to the inner tube.

Claim 8

Dependent Claim 17 words

The stent delivery device of claim 2 , further comprising a handle extending from the main body.

Claim 9

Dependent Claim 28 words

The stent delivery device of claim 1 , wherein the stent is releasably connectable to the first and second ends of the stent using at least one pullwire.

Claim 10

Independent Claim 91 words

A method of delivering a stent into a the urethra of a patient, comprising: providing a stent having a first end and a second end, the first end being releasably attached to an inner tube and the second end being releasably attached to an outer tube which is rotatably slidable over the inner tube; advancing the stent into the urethra; rotating the outer tube relative to the inner tube to at least partially expand the stent; releasing the stent from the inner tube; and releasing the stent from the outer tube.

Claim 11

Independent Claim 91 words

A method of delivering a stent into a the urethra of a patient, comprising: providing a stent having a first end and a second end, the first end being releasably attached to an inner tube and the second end being releasably attached to an outer tube which is rotatably slidable over the inner tube; advancing the stent into the urethra; rotating the outer tube relative to the inner tube to at least partially expand the stent; releasing the stent from the inner tube; and releasing the stent from the outer tube.

Claim 12

Dependent Claim 25 words

The method of claim 9 , wherein the stent is at least partially covered by a sheath prior to advancing the stent into the urethra.

Claim 13

Dependent Claim 32 words

The method of claim 10 , further comprising sliding the sheath proximally prior to rotating the outer tube relative to the inner tube in order to at least partially expose the stent.

Claim 14

Dependent Claim 30 words

The method of claim 11 , comprising sliding the sheath proximally such that a distal end of the sheath is located between the proximal and distal ends of the stent.

Claim 15

Dependent Claim 26 words

The method of claim 9 , wherein the outer tube is rotated relative to the inner tube by pulling a belt attached to the outer tube.

Claim 16

Dependent Claim 41 words

The method of claim 12 , further comprising sliding the sheath proximally such that the distal end of the sheath is located proximal to the proximal end of the stent after the outer tube is rotated relative to the inner tube.

Claim 17

Dependent Claim 23 words

The method of claim 9 , wherein the stent is released from the outer tube prior to being released from the inner tube.

Claim 18

Dependent Claim 23 words

The method of claim 9 , wherein the stent is released from the inner tube prior to being released from the outer tube.

Claim 19

Dependent Claim 19 words

The method of claim 9 , wherein the stent is released from the inner tube and outer tube simultaneously.

Claim 20

Dependent Claim 32 words

The method of claim 9 , wherein the stent is releasably attached to the inner and outer tubes using at least one pullwire connecting the ends of the stent to the tubes.

Claim 21

Dependent Claim 19 words

The method of claim 18 , wherein the stent is released from the tubes by pulling the wire proximally.

Claim 22

Dependent Claim 11 words

The method of claim 9 , wherein the stent is helical.

Claim 23

Dependent Claim 148 words

A stent delivery device for delivering a stent into a lumen of the body, the stent having a first end and a second end, the delivery device comprising: a main body having a proximal end and a distal end; an inner tube extending distally from the main body, the inner tube having a distal end releasably connectable to the first end of the stent; an outer tube extending distally from the main body, the outer tube being rotatably slideable over the inner tube and having a distal end releasably connectable to the second end of the stent; a sheath extending distally from the main body, the sheath being slideable over the outer tube to at least partially expose the stent; and a belt extending from the main body and attached to the outer tube, wherein pulling of the belt rotates the outer tube relative to the inner tube.

Claim 24

Dependent Claim 148 words

A stent delivery device for delivering a stent into a lumen of the body, the stent having a first end and a second end, the delivery device comprising: a main body having a proximal end and a distal end; an inner tube extending distally from the main body, the inner tube having a distal end releasably connectable to the first end of the stent; an outer tube extending distally from the main body, the outer tube being rotatably slideable over the inner tube and having a distal end releasably connectable to the second end of the stent; a sheath extending distally from the main body, the sheath being slideable over the outer tube to at least partially expose the stent; and a belt extending from the main body and attached to the outer tube, wherein pulling of the belt rotates the outer tube relative to the inner tube.

Claim 25

Dependent Claim 17 words

The stent delivery device of claim 21 , further comprising a handle depending from the main body.

Claim 26

Dependent Claim 35 words

The stent delivery device of claim 21 , further comprising a trigger depending from the main body and being slideable in relation thereto, the trigger being operably connected to the sheath to move the sheath.

Claim 27

Dependent Claim 24 words

The stent delivery device of claim 21 , further comprising a stop in the main body that limits the proximal movement of the sheath.

Claim 28

Dependent Claim 15 words

The stent delivery device of claim 24 , wherein the stop includes a removable trigger.

Claim 29

Dependent Claim 26 words

The stent delivery device of claim 21 , further comprising a pull wire for releasably connecting the inner tube to the first end of the stent.

Claim 30

Dependent Claim 26 words

The stent delivery device of claim 21 , further comprising a pull wire for releasably connecting the outer tube to the second end of the stent.

Claim 31

Dependent Claim 65 words

A stent deployment device, comprising: a tubular body, having a proximal end and a distal end, the tubular body comprising a first and a second stent support; a hand piece on the proximal end of the tubular body; a first control on the hand piece, for manipulating the first stent support; and a second control on the hand piece, for manipulating the second stent support.

Claim 32

Dependent Claim 65 words

A stent deployment device, comprising: a tubular body, having a proximal end and a distal end, the tubular body comprising a first and a second stent support; a hand piece on the proximal end of the tubular body; a first control on the hand piece, for manipulating the first stent support; and a second control on the hand piece, for manipulating the second stent support.

Claim 33

Dependent Claim 23 words

A stent deployment device as in claim 28 , wherein the first stent support comprises an outer tubular sleeve for surrounding the stent.

Claim 34

Dependent Claim 32 words

A stent deployment device as in claim 29 , wherein the first control comprises a control for proximally retracting the first stent support to expose at least a portion of the stent.

Claim 35

Dependent Claim 31 words

A stent deployment device as in claim 28 , wherein the second stent support comprises a tubular body which is releasably connected to at least a first end of the stent.

Claim 36

Dependent Claim 22 words

A stent deployment device as in claim 31 , wherein the second control comprises a control for rotating the second stent support.

Claim 37

Dependent Claim 36 words

A stent deployment device as in claim 30 , wherein the first control comprises a releasable stop to stop proximal retraction of the first stent support at a point wheel the stent is only partially exposed.

Claim 38

Dependent Claim 18 words

A stent deployment device as in claim 30 , wherein the first control comprises an axially movable lever.

Claim 39

Dependent Claim 24 words

A stent deployment device as in claim 32 , wherein the second control comprises a belt which is wrapped around the second stent support.

Claim 40

Dependent Claim 25 words

A stent deployment device as in claim 28 , further comprising a first pull wire, for releasably securing the stent to the second stent support.

Claim 41

Dependent Claim 26 words

A stent deployment device as in claim 28 , further comprising a third stent support, releasably connected to at least a second end of the stent.

Claim 42

Dependent Claim 25 words

A stent deployment device as in claim 37 , further comprising a second pull wire, for releasably securing the stent to the third stent support.

Claim 43

Dependent Claim 33 words

A stent deployment device as in claim 38 , wherein the third stent support comprises an inner tube and the second stent support comprises an intermediate tube, concentrically carried by the inner tube.

Claim 44

Dependent Claim 24 words

A stent deployment device as in claim 39 , wherein the first stent support comprises an outer tube, concentrically carried by the intermediate tube.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2006-10-06	2007-04-07	2007-10-07	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2010-10-06	2011-04-07	2011-10-07	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2014-10-06	2015-04-07	2015-10-07	$7700.00	Window Closed / Lapsed

Stent delivery system

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