US20020156344A1 — Endoscopic instruments

Claim 1

Independent Claim 78 words

1 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, further comprising two slideable suture-holding means which are slidably inserted in each of said two needles and are extended from or retracted into the distal ends of the needles; and holding-operation means for operating the suture-holding means.

Claim 2

Dependent Claim 78 words

1 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, further comprising two slideable suture-holding means which are slidably inserted in each of said two needles and are extended from or retracted into the distal ends of the needles; and holding-operation means for operating the suture-holding means.

Claim 3

Dependent Claim 53 words

2 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, wherein a suture is slidably fitted in each of said two needles.

Claim 4

Dependent Claim 53 words

2 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, wherein a suture is slidably fitted in each of said two needles.

Claim 5

Dependent Claim 100 words

3 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, further comprising slideable suture-holding means which is slideably inserted in one of said needles and is extended from or retracted into the distal ends of said one of the needles; holding-operation means for operating the suture-holding means; and a suture slidably fitted in the other of said two needles; wherein said suture-holding means being constructed to hold said suture.

Claim 6

Dependent Claim 100 words

3 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, further comprising slideable suture-holding means which is slideably inserted in one of said needles and is extended from or retracted into the distal ends of said one of the needles; holding-operation means for operating the suture-holding means; and a suture slidably fitted in the other of said two needles; wherein said suture-holding means being constructed to hold said suture.

Claim 7

Dependent Claim 123 words

4 . A treatment system, to be used with an endoscope for suturing of ligating tissues in body cavities, comprising first and second endoscopes to be perorally inserted through body cavities; a tissue-piercing device to be mounted to the first endoscope, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval; a tissue-fixing device projecting from the distal end of the second endoscope for fixing the site to be pierced; suture-holding means being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope; and a suture being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope.

Claim 8

Dependent Claim 123 words

4 . A treatment system, to be used with an endoscope for suturing of ligating tissues in body cavities, comprising first and second endoscopes to be perorally inserted through body cavities; a tissue-piercing device to be mounted to the first endoscope, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval; a tissue-fixing device projecting from the distal end of the second endoscope for fixing the site to be pierced; suture-holding means being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope; and a suture being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope.

Claim 9

Dependent Claim 68 words

5 . A tissue-piercing device according to claim 1 or 3 , or a treatment system according to claim 4 , said suture-holding means being formed in loop; wherein a driving member for rotating, advancing, and retracting said suture-holding means is connected to the proximal end of said suture-holding means; and the center axis of said suture-holding means being inclined against the longitudinal axis of said driving member.

Claim 10

Dependent Claim 40 words

6 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, comprising delivery means for delivering a knot of the suture into the target site in the human body and tightening it.

Claim 11

Dependent Claim 40 words

6 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, comprising delivery means for delivering a knot of the suture into the target site in the human body and tightening it.

Claim 12

Dependent Claim 47 words

7 . A tissue-fixing device, to be used with an endoscope for suturing or ligating tissues in body cavities and fixing the tissue in piercing it, comprising delivery means for delivering a knot of the suture into the target site in the human body and tightening it.

Claim 13

Dependent Claim 47 words

7 . A tissue-fixing device, to be used with an endoscope for suturing or ligating tissues in body cavities and fixing the tissue in piercing it, comprising delivery means for delivering a knot of the suture into the target site in the human body and tightening it.

Claim 14

Dependent Claim 79 words

8 . A tissue-piercing device to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, further comprising two slideable suture-holding portions which are slidably inserted in each of said two needles and are extended from or retracted into the distal ends of the needles; and a holding-operation portion for operating the suture-holding portion.

Claim 15

Dependent Claim 79 words

8 . A tissue-piercing device to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval, further comprising two slideable suture-holding portions which are slidably inserted in each of said two needles and are extended from or retracted into the distal ends of the needles; and a holding-operation portion for operating the suture-holding portion.

Claim 16

Dependent Claim 102 words

9 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval further comprising a slideable suture-holding portion which is slidably inserted in one of said needles and is extended from or retracted into the distal ends of said one of the needles; a holding-operation portion for operating the suture-holding portion; and a suture slidably fitted in the other of said two needles; wherein said suture-holding portion being constructed to hold said suture.

Claim 17

Dependent Claim 102 words

9 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval further comprising a slideable suture-holding portion which is slidably inserted in one of said needles and is extended from or retracted into the distal ends of said one of the needles; a holding-operation portion for operating the suture-holding portion; and a suture slidably fitted in the other of said two needles; wherein said suture-holding portion being constructed to hold said suture.

Claim 18

Dependent Claim 124 words

10 . A treatment system to be used with an endoscope for suturing or ligating tissues in body cavities, comprising first and second endoscopes to be perorally inserted through body cavities; a tissue-piercing device to be mounted to the first endoscope, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval; a tissue-fixing device projecting from the distal end of the second endoscope for fixing the site to be pierced; a suture-holding portion being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope; and a suture being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope.

Claim 19

Dependent Claim 124 words

10 . A treatment system to be used with an endoscope for suturing or ligating tissues in body cavities, comprising first and second endoscopes to be perorally inserted through body cavities; a tissue-piercing device to be mounted to the first endoscope, which has two piercing members which have a needle respectively, said two needles being in parallel and spaced apart at constant interval; a tissue-fixing device projecting from the distal end of the second endoscope for fixing the site to be pierced; a suture-holding portion being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope; and a suture being slidably inserted through both needles of said tissue-piercing device, one of the needles, or the second endoscope.

Claim 20

Dependent Claim 68 words

11 . A tissue-piercing device according to claim 8 or 9 , or a treatment system according to claim 10 , said suture-holding portion being formed in loop; wherein a driving member for rotating, advancing, and retracting said suture-holding portion is connected to the proximal end of said suture-holding portion; and the center axis of said suture-holding portion being inclined against the longitudinal axis of said driving member.

Claim 21

Dependent Claim 41 words

12 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, comprising a delivery portion for delivering a knot of the suture into the target site in the human body and tightening it.

Claim 22

Dependent Claim 41 words

12 . A tissue-piercing device, to be used with an endoscope for suturing or ligating tissues in body cavities, comprising a delivery portion for delivering a knot of the suture into the target site in the human body and tightening it.

Claim 23

Dependent Claim 46 words

13 . A tissue-fixing device, to be used with an endoscope for suturing or ligating tissues in body cavities and fixing tissue in piercing, comprising a delivery portion for delivering a knot of the suture into the targeting site in the human body and tightening it.

Claim 24

Dependent Claim 46 words

13 . A tissue-fixing device, to be used with an endoscope for suturing or ligating tissues in body cavities and fixing tissue in piercing, comprising a delivery portion for delivering a knot of the suture into the targeting site in the human body and tightening it.

Endoscopic instruments

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