Endoscopic suturing device
First Claim
Patent Images
1. An endoscopic suturing device comprising:
- a flexible endoscope;
a needle adapted to suture a tissue of a living body, said needle being one of;
(i) detachably arranged at a distal end portion of said endoscope, and (ii) integrally embedded in said endoscope;
a driving mechanism arranged on said endoscope to operate said needle, wherein said needle comprises at least one perforation through which a suture is passed from one side of the needle to the other side during a suturing operation.
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Abstract
An endoscopic suturing device includes an endoscope, a curved needle detachably arranged at the distal end portion of or integrally embedded in the endoscope for suturing a tissue of the living body, a suture for suturing said tissue with the curved needle, and a drive arranged on the endoscope and operating the curved needle.
387 Citations
14 Claims
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1. An endoscopic suturing device comprising:
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a flexible endoscope;
a needle adapted to suture a tissue of a living body, said needle being one of;
(i) detachably arranged at a distal end portion of said endoscope, and (ii) integrally embedded in said endoscope;
a driving mechanism arranged on said endoscope to operate said needle, wherein said needle comprises at least one perforation through which a suture is passed from one side of the needle to the other side during a suturing operation.
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2. An endoscopic suturing device comprising:
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a flexible endoscope;
a needle adapted to suture a tissue of a living body, said needle being one of;
(i) detachably arranged at a distal end portion of said endoscope, and (ii) integrally embedded in said endoscope;
a driving mechanism arranged on said endoscope to rotate said needle, said driving mechanism including a flexible wire which is coupled to the needle; and
a protective member arranged at a distal end portion of said endoscope to cover at least part of said needle so as to prevent undesired piercing of the tissue to be sutured. - View Dependent Claims (3)
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4. An endoscopic suturing device comprising;
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an endoscope, a needle detachably arranged at a distal end portion of or integrally embedded in said endoscope for suturing a tissue of a living body, the needle having an axle member as a rotation axis thereof which is coupled with the needle by an arm member;
a suture for suturing said tissue with said needle;
a driving mechanism arranged on said endoscope and operating said needle. - View Dependent Claims (5, 6, 7)
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8. An endoscope suturing device comprising:
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an endoscope;
a needle detachably arranged at a distal end portion of or integrally embedded in said endoscope for suturing a tissue of a living body, the needle having an axle member as a rotation axis thereof which is coupled with the needle by an arm member;
a suture for suturing said tissue with said needle;
a driving mechanism arranged on said endoscope and operating said needle; and
at least one wire is wound or fixed on at least the cylindrical member. - View Dependent Claims (9)
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10. An endoscope suturing device comprising:
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an endoscope;
a needle detachably arranged at a distal end portion of or integrally embedded in said endoscope for suturing a tissue of a living body, the needle having an axle member as a rotation axis thereof which is coupled with the needle by an arm member;
a suture for suturing said tissue with said needle; and
a driving mechanism arranged on said endoscope and operating said needle, and wherein an axle member of said needle is fixed to a protective member covering at least part of said needle. - View Dependent Claims (11, 12)
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13. An endoscopic suturing device comprising:
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a flexible endoscope;
a needle rotatably arranged relative to the endoscope;
a first flexible wire arranged along the endoscope and connected to the needle to rotate the needle in a direction for piercing a living body tissue when the first flexible wire is pulled; and
a second wire arranged along the endoscope and connected to the needle to rotate the needle in a direction for removing the needle out of the living body tissue when the second flexible wire is pulled.
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14. An endoscopic suturing device comprising:
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a flexible endoscope having an observation window at a distal end portion;
a needle adapted to suture a tissue of a living body, said needle being one of;
(i) detachably arranged at a distal end portion of said endoscope, and (ii) integrally embedded in said endoscope;
a driving mechanism arranged on the endoscope to operate the needle; and
a protective member comprising a cylindrical member attached at the distal end portion of the flexible endoscope for covering at least a part of the needle so as to prevent undesired piercing of the tissue to be sutured, wherein a top end of the protective member is positioned on a distal side of the observation window.
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Specification