Ligature and suture device for medical application, ligature and suture system for medical application, and ligaturing and suturing method for medical application
First Claim
1. A ligature and suture device for medical application that ligatures or sutures biomedical tissue that has been suctioned by a suction device using a suturing member, the ligature and suture device comprising:
- an insertion portion having a lumen into which an endoscope can be inserted, and a distal end portion that is connected to the lumen and in which at least one side aperture is provided;
at least one hollow needle that is able to support inside itself the suturing member, and that is placed inside the insertion portion such that a tip of the hollow needle is able to move between a first position, which is on a base end side of the side aperture, and a second position, which is on a distal end side of the side aperture;
an operating section that performs an operation to move the needle; and
at least one pledget that can be penetrated by the needle, and that is placed in the distal end portion and closer to a tip of the distal end portion than the side aperture, so as to be freely removable from the distal end portion,the pledget has a semicircular shape, having a circular arc portion, andwherein the suturing member includes a string member and a holding member being provided at a distal end of the string member and holds the pledget against the biomedical tissue,wherein a slit into which the pledget can be press-inserted is provided so as to open onto a side surface of the distal end portion between the side aperture and the second position, andwherein, the pledget and the slit of the distal end portion are configured so that, when the pledget is press-inserted into the slit, the circular arc portion of the pledget is held by the distal end portion at the slit.
19 Assignments
0 Petitions
Accused Products
Abstract
A ligature and suture device for medical application that ligatures or sutures biomedical tissue that has been suctioned by a suction device using a suturing member. The ligature and suture device includes an insertion portion having a lumen into which an endoscope can be inserted, and a distal end portion that is connected to the lumen and in which at least one side aperture is provided, at least one hollow needle that is able to support inside itself the suturing member, and that is placed inside the insertion portion such that a tip of the hollow needle is able to move between a first position, which is on a base end side of the side aperture, and a second position, which is on a distal end side of the side aperture, an operating section that performs an operation to move the needle, and at least one pledget that can be penetrated by the needle, and that is placed in a vicinity of the distal end of the side aperture so as to be freely removable from the distal end portion.
-
Citations
20 Claims
-
1. A ligature and suture device for medical application that ligatures or sutures biomedical tissue that has been suctioned by a suction device using a suturing member, the ligature and suture device comprising:
-
an insertion portion having a lumen into which an endoscope can be inserted, and a distal end portion that is connected to the lumen and in which at least one side aperture is provided; at least one hollow needle that is able to support inside itself the suturing member, and that is placed inside the insertion portion such that a tip of the hollow needle is able to move between a first position, which is on a base end side of the side aperture, and a second position, which is on a distal end side of the side aperture; an operating section that performs an operation to move the needle; and at least one pledget that can be penetrated by the needle, and that is placed in the distal end portion and closer to a tip of the distal end portion than the side aperture, so as to be freely removable from the distal end portion, the pledget has a semicircular shape, having a circular arc portion, and wherein the suturing member includes a string member and a holding member being provided at a distal end of the string member and holds the pledget against the biomedical tissue, wherein a slit into which the pledget can be press-inserted is provided so as to open onto a side surface of the distal end portion between the side aperture and the second position, and wherein, the pledget and the slit of the distal end portion are configured so that, when the pledget is press-inserted into the slit, the circular arc portion of the pledget is held by the distal end portion at the slit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20)
-
-
19. A ligature and suture method for medical application that ligatures or sutures biomedical tissue that has been suctioned by a suction device using a suturing member,
the suturing member includes a string member and a holding member, the holding member being provided at a distal end of the string member and holds a semicircular shaped pledget against the biomedical tissue, and the ligature and suture method uses an insertion portion having a lumen into which the endoscope can be inserted, and a distal end portion that is connected to the lumen and in which at least one side aperture is provided, the ligature and suture method comprising: -
a pledget holding process in which the pledget is press-inserted into a slit provided at the distal end portion, holding a circular arc portion of the pledget by the slit; a suction process in which an endoscope is inserted into the insertion portion, and the biomedical tissue is suctioned from the side aperture into the distal end portion; an insertion process in which at least one hollow needle that is able to support inside itself the suturing member, and that is placed inside the insertion portion such that a tip of the hollow needle is able to at least move between a first position, which is on a base end side of the side aperture, and a second position, which is on a distal end side of the side aperture is inserted into the biomedical tissue and into the pledget that is placed in the distal end portion and between the distal end of the side aperture and the second position on a movement path of the needle so as to be freely removable from the distal end portion; a process in which the holding member of the suturing member is pushed out from inside the needle to the distal side of the pledget; and a process in which suturing or ligaturing is performed using the suturing member by withdrawing the needle from the biomedical tissue.
-
Specification