Claims Analysis
Total Claims: 71
Claim 1
Independent Claim
91 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; and a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein the nose piece is axially spaced-apart from the distal end of the shaft to define a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured.
Claim 2
Dependent Claim
91 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; and a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein the nose piece is axially spaced-apart from the distal end of the shaft to define a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured.
Claim 3
Dependent Claim
27 words
A suturing device as in claim 1, further comprising a transition region having a generally oval cross-section scanning the gap between the shaft and the nose piece.
Claim 4
Dependent Claim
48 words
A suturing device as in claim 2, where the nose piece is tapered with an oval cross-section over at least a portion of its proximal length, wherein the maximum peripheral distance around the nose piece at its proximal end is generally equal to that around the transition region.
Claim 5
Dependent Claim
56 words
A suturing device as in claim 3, wherein the nose piece comprises a tapered distal tip, a shank portion having a cylindrical cross-section with a circumference generally equal to the maximum peripheral length, and a proximal end piece which changes to an oval cross-section having a constant peripheral length generally equal to the maximum peripheral length.
Claim 6
Dependent Claim
17 words
A suturing device as in claim 3, wherein the nose piece is fixed relative to the shaft.
Claim 7
Dependent Claim
22 words
A suturing device as in claim 3, further comprising means for rotating the nose piece relative to the shaft and transition region.
Claim 8
Dependent Claim
38 words
A suturing device as in claim 1, further comprising needle guide tubes disposed in the entry and exit lumens and means to extend the guide tubes across the gap and to the return lumen in the nose piece.
Claim 9
Dependent Claim
54 words
A suturing device as in claim 1, further comprising a drive wheel disposed on the shaft to engage a flexible needle present in the entry lumen, whereby rotation of the drive wheel advances the needle through the entry lumen, across the gap, through the return lumen, across the gap, and through the exit lumen.
Claim 10
Dependent Claim
21 words
A suturing device as in claim 1, wherein the nose piece has a suture-release slot formed contiguously with the return lumen.
Claim 11
Dependent Claim
19 words
A suturing device as in claim 1, further comprising means for opening the nose piece to release suture therefrom.
Claim 12
Dependent Claim
23 words
A suturing device as in claim 10, wherein the opening means slides a portion of the nose piece to expose the return lumen.
Claim 13
Dependent Claim
23 words
A suturing device as in claim 10, wherein the opening means swings a portion of the nose piece to expose the return lumen.
Claim 14
Dependent Claim
57 words
A suturing device comprising: a shaft having a proximal end and a distal end; and means on the shaft for defining a needle path having an entry segment, a return segment, and an exit segment, wherein the entry and exit segments are separated from the return segment by a circumferential gap which receives tissue to be sutured.
Claim 15
Dependent Claim
57 words
A suturing device comprising: a shaft having a proximal end and a distal end; and means on the shaft for defining a needle path having an entry segment, a return segment, and an exit segment, wherein the entry and exit segments are separated from the return segment by a circumferential gap which receives tissue to be sutured.
Claim 16
Dependent Claim
21 words
A suturing device as in claim 13, further comprising means on the shaft for advancing a needle through the needle path.
Claim 17
Dependent Claim
35 words
A suturing device as in claim 13, further comprising means for extending needle guide tubes across the gap between the entry segment and the return segment and between the return segment and the exit segment.
Claim 18
Dependent Claim
55 words
A suturing device as in claim 13, wherein the shaft includes a body portion, a transition region, and a nose piece, wherein the entry and exit segments of the needle path comprise lumens within the body portion, the return segment comprises a U-shaped lumen within the nose piece, and the transition region defines the gap.
Claim 19
Dependent Claim
33 words
A suturing device as in claim 16, wherein the nose piece is fixed relative to the body portion and wherein the nose piece and transition region have similar but orthogonally disposed oval cross-sections.
Claim 20
Dependent Claim
24 words
A suturing device as in claim 16, further comprising means for rotating the nose piece about a longitudinal axis relative to the body portion.
Claim 21
Independent Claim
85 words
A method for suturing a puncture site in a blood vessel wall at the distal end of a tissue tract, said method comprising: positioning a needle-guiding device through the tissue tract so that a nose piece of the device lies within the puncture site, wherein the nose piece has an annular gap which occludes blood flow from the blood vessel; and drawing a single location on a single length of suture through the nose piece and across the puncture site to close the puncture site.
Claim 22
Independent Claim
85 words
A method for suturing a puncture site in a blood vessel wall at the distal end of a tissue tract, said method comprising: positioning a needle-guiding device through the tissue tract so that a nose piece of the device lies within the puncture site, wherein the nose piece has an annular gap which occludes blood flow from the blood vessel; and drawing a single location on a single length of suture through the nose piece and across the puncture site to close the puncture site.
Claim 23
Dependent Claim
90 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; and a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured; and a transition region disposed in the gap and having a generally oval cross-section.
Claim 24
Dependent Claim
90 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; and a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured; and a transition region disposed in the gap and having a generally oval cross-section.
Claim 25
Dependent Claim
48 words
A suturing device as in claim 20, where the nose piece is tapered with an oval cross-section over at least a portion of its proximal length, wherein the maximum peripheral distance around the nose piece at its proximal end is generally equal to that around the transition region.
Claim 26
Dependent Claim
56 words
A suturing device as in claim 21, wherein the nose piece comprises a tapered distal tip, a shank portion having a cylindrical cross-section with a circumference generally equal to the maximum peripheral length, and a proximal end piece which changes to an oval cross-section having a constant peripheral length generally equal to the maximum peripheral length.
Claim 27
Dependent Claim
17 words
A suturing device as in claim 21, wherein the nose piece is fixed relative to the shaft.
Claim 28
Dependent Claim
22 words
A suturing device as in claim 21, further comprising means for rotating the nose piece relative to the shaft and transition region.
Claim 29
Dependent Claim
38 words
A suturing device as in claim 20, further comprising needle guide tubes disposed in the entry and exit lumens and means to extend the guide tubes across the gap and to the return lumen in the nose piece.
Claim 30
Dependent Claim
54 words
A suturing device as in claim 20, further comprising a drive wheel disposed on the shaft to engage a flexible needle present in the entry lumen, whereby rotation of the drive wheel advances the needle through the entry lumen, across the gap, through the return lumen, across the gap, and through the exit lumen.
Claim 31
Dependent Claim
21 words
A suturing device as in claim 20, wherein the nose piece has a suture-release slot formed contiguously with the return lumen.
Claim 32
Dependent Claim
19 words
A suturing device as in claim 20, further comprising means for opening the nose piece to release suture therefrom.
Claim 33
Dependent Claim
23 words
A suturing device as in claim 28, wherein the opening means slides a portion of the nose piece to expose the return lumen.
Claim 34
Dependent Claim
23 words
A suturing device as in claim 28, wherein the opening means swings a portion of the nose piece to expose the return lumen.
Claim 35
Dependent Claim
86 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured; and means for opening the nose piece to release suture therefrom.
Claim 36
Dependent Claim
86 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured; and means for opening the nose piece to release suture therefrom.
Claim 37
Dependent Claim
28 words
A suturing device as in claim 31, wherein the gap between the shaft and the nose piece is defined by a transition region having a generally oval cross-section.
Claim 38
Dependent Claim
48 words
A suturing device as in claim 32, where the nose piece is tapered with an oval cross-section over at least a portion of its proximal length, wherein the maximum peripheral distance around the nose piece at its proximal end is generally equal to that around the transition region.
Claim 39
Dependent Claim
56 words
A suturing device as in claim 33, wherein the nose piece comprises a tapered distal tip, a shank portion having a cylindrical cross-section with a circumference generally equal lo the maximum peripheral length, and a proximal end piece which changes to an oval cross-section having a constant peripheral length generally equal to the maximum peripheral length.
Claim 40
Dependent Claim
17 words
A suturing device as in claim 33, wherein the nose piece is fixed relative to the shaft.
Claim 41
Dependent Claim
22 words
A suturing device as in claim 33, further comprising means for rotating the nose piece relative to the shaft and transition region.
Claim 42
Dependent Claim
38 words
A suturing device as in claim 31, further comprising needle guide tubes disposed in the entry and exit lumens and means to extend the guide tubes across the gap and to the return lumen in the nose piece.
Claim 43
Dependent Claim
54 words
A suturing device as in claim 31, further comprising a drive wheel disposed on the shaft to engage a flexible needle present in the entry lumen, whereby rotation of the drive wheel advances the needle through the entry lumen, across the gap, through the return lumen, across the gap, and through the exit lumen.
Claim 44
Dependent Claim
21 words
A suturing device as in claim 31, wherein the nose piece has a suture-release slot formed contiguously with the return lumen.
Claim 45
Dependent Claim
23 words
A suturing device as in claim 31, wherein the opening means slides a portion of the nose piece to expose the return lumen.
Claim 46
Dependent Claim
23 words
A suturing device as in claim 31, wherein the opening means swings a portion of the nose piece to expose the return lumen.
Claim 47
Dependent Claim
109 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured; and at least one needle guide tube reciprocatably mounted in the shaft to extend from one of the entry and exit lumens to the aligned opening of the return lumen in the nose piece.
Claim 48
Dependent Claim
109 words
A suturing device comprising: a shaft having a proximal end, a distal end, an entry lumen, and an exit lumen; a nose piece attached to the distal end of the shaft and having a return lumen disposed to receive a flexible needle from the entry lumen and to turn the needle to enter the exit lumen, wherein a gap between the shaft and a proximal end of the nose piece receives tissue to be sutured; and at least one needle guide tube reciprocatably mounted in the shaft to extend from one of the entry and exit lumens to the aligned opening of the return lumen in the nose piece.
Claim 49
Dependent Claim
27 words
A suturing device as in claim 42, further comprising a transition region having a generally oval cross-section spanning the gap between the shaft and the nose piece.
Claim 50
Dependent Claim
48 words
A suturing device as in claim 43, where the nose piece is tapered with an oval cross-section over at least a portion of its proximal length, wherein the maximum peripheral distance around the nose piece at its proximal end is generally equal to that around the transition region.
Claim 51
Dependent Claim
56 words
A suturing device as in claim 44, wherein the nose piece comprises a tapered distal tip, a shank portion having a cylindrical cross-section with a circumference generally equal to the maximum peripheral length, and a proximal end piece which changes to an oval cross-section having a constant peripheral length generally equal to the maximum peripheral length.
Claim 52
Dependent Claim
17 words
A suturing device as in claim 44, wherein the nose piece is fixed relative to the shaft.
Claim 53
Dependent Claim
22 words
A suturing device as in claim 44, further comprising means for rotating the nose piece relative to the shaft and transition region.
Claim 54
Dependent Claim
54 words
A suturing device as in claim 42, further comprising a drive wheel disposed on the shaft to engage a flexible needle present in the entry lumen, whereby rotation of the drive wheel advances the needle through the entry lumen, across the gap, through the return lumen, across the gap, and through the exit lumen.
Claim 55
Dependent Claim
21 words
A suturing device as in claim 42, wherein the nose piece has a suture-release slot formed contiguously with the return lumen.
Claim 56
Dependent Claim
19 words
A suturing device as in claim 42, further comprising means for opening the nose piece to release suture therefrom.
Claim 57
Dependent Claim
23 words
A suturing device as in claim 50, wherein the opening means slides a portion of the nose piece to expose the return lumen.
Claim 58
Dependent Claim
23 words
A suturing device as in claim 50, wherein the opening means swings a portion of the nose piece to expose the return lumen.
Claim 59
Dependent Claim
68 words
A suturing device comprising: a shaft having a proximal end and a distal end; and means on the shaft for defining a needle path having an entry segment, a return segment, and an exit segment, wherein the entry and exit segments each have one end at the proximal end of the shaft and are separated from the return segment by a gap which receives tissue to be sutured.
Claim 60
Dependent Claim
68 words
A suturing device comprising: a shaft having a proximal end and a distal end; and means on the shaft for defining a needle path having an entry segment, a return segment, and an exit segment, wherein the entry and exit segments each have one end at the proximal end of the shaft and are separated from the return segment by a gap which receives tissue to be sutured.
Claim 61
Dependent Claim
21 words
A suturing device as in claim 53, further comprising means on the shaft for advancing a needle through the needle path.
Claim 62
Dependent Claim
35 words
A suturing device as in claim 53, further comprising means for extending needle guide tubes across the gap between the entry segment and the return segment and between the return segment and the exit segment.
Claim 63
Dependent Claim
55 words
A suturing device as in claim 53, wherein the shaft includes a body portion, a transition region, and a nose piece, wherein the entry and exit segments of the needle path comprise lumens within the body portion, the return segment comprises a U-shaped lumen within the nose piece, and the transition region defines the gap.
Claim 64
Dependent Claim
33 words
A suturing device as in claim 56, wherein the nose piece is fixed relative to the body portion and wherein the nose piece and transition region have similar but orthogonally disposed oval cross-sections.
Claim 65
Dependent Claim
24 words
A suturing device as in claim 56, further comprising means for rotating the nose piece about a longitudinal axis relative to the body portion.
Claim 66
Dependent Claim
120 words
A suturing device comprising: a shaft having a proximal end, a distal end, a body portion, a transition region, and a nose piece, wherein the entry and exit segments of the needle path comprise lumens extending axially over substantially the entire length of the body portion, the return segment comprises a U-shaped lumen within the nose piece, and the transition region defines the gap; and means on the shaft for defining a needle path having an entry segment, a return segment, and an exit segment, wherein the entry and exit segments are separated from the return segment by a gap which receives tissue to be sutured, wherein the nose piece and transition region have similar but orthogonally disposed oval cross-sections.
Claim 67
Dependent Claim
120 words
A suturing device comprising: a shaft having a proximal end, a distal end, a body portion, a transition region, and a nose piece, wherein the entry and exit segments of the needle path comprise lumens extending axially over substantially the entire length of the body portion, the return segment comprises a U-shaped lumen within the nose piece, and the transition region defines the gap; and means on the shaft for defining a needle path having an entry segment, a return segment, and an exit segment, wherein the entry and exit segments are separated from the return segment by a gap which receives tissue to be sutured, wherein the nose piece and transition region have similar but orthogonally disposed oval cross-sections.
Claim 68
Dependent Claim
21 words
A suturing device as in claim 59, further comprising means on the shaft for advancing a needle through the needle path.
Claim 69
Dependent Claim
35 words
A suturing device as in claim 57, further comprising means for extending needle guide tubes across the gap between the entry segment and the return segment and between the return segment and the exit segment.
Claim 70
Dependent Claim
18 words
A suturing device as in claim 59, wherein the nose piece is fixed relative to the body portion.
Claim 71
Dependent Claim
24 words
A suturing device as in claim 59, further comprising means for rotating the nose piece about a longitudinal axis relative to the body portion.