Abstract: A medical port includes: a faceplate having a through-hole; an elastic member formed in a curved shape and configured to clamp and fix a living tissue between the elastic member and the faceplate; and a string-shaped member fixed at a first end to the elastic member and extending from the elastic member through the faceplate. The elastic member is configured such that extension of the string-shaped member through the faceplate in a direction opposite to the elastic member reduces an outer diameter of the curved shape of the elastic member.

Abstract: A medical port includes: a faceplate having a through-hole; an elastic member formed in a curved shape and configured to clamp and fix a living tissue between the elastic member and the faceplate; and a string-shaped member fixed at a first end to the elastic member and extending from the elastic member through the faceplate. The elastic member is configured such that extension of the string-shaped member through the faceplate in a direction opposite to the elastic member reduces an outer diameter of the curved shape of the elastic member.

Abstract: A medical port includes: a faceplate having a through-hole; a fixing ring formed in an annular shape and having an outer circumferential surface in which an outer diameter is gradually increased from a first opening end opened at a faceplate side toward a second opening end opened at an opposite side of the faceplate side; and a moving member connected to the fixing ring and the faceplate and configured to move the fixing ring with respect to the faceplate such that the fixing ring is pulled toward the faceplate.

Abstract: A method for suturing a gastric wall including: inserting a flexible elongated loop-forming member perorally into a stomach; advancing the loop-forming member along a lesser curvature line of the stomach to contact with the gastric wall in vicinity of the pyloric antrum, such that the loop-forming member returns along a greater curvature line of the stomach to a predetermined position and connects to a distal end portion of an overtube to form a closed loop in the stomach; suctioning air from the stomach after forming the closed loop such that an anterior gastric wall is in proximity with a posterior gastric wall within a region encircled by the closed loop; and suturing at least a portion of the anterior gastric wall to the posterior gastric wall that are in proximity in the region encircled by the closed loop.

Abstract: An endoscope holding device includes an insertion part that is long and holds the distal end part of an endoscope so as to freely protrude and retract; a distal end face that specifies a protruding direction of the endoscope, and is formed at the distal end of the insertion part, a displacement part which has a displacement face that is curved from the distal end toward a proximal end and provided at a position apart from the distal end face in order to displace living body tissue in front of the insertion part to secure a space for operating the distal end part of the endoscope protruded from the distal end face to curve; and a fixing portion that fixes the displacement part and the insertion part such that the distal end side of the displacement face intersects a direction orthogonal to the distal end face.

Abstract: The present application relates to a biological tissue transfer method for transferring a biological target tissue within the body, the method comprising: (a) attaching part of a first traction member to a first position which is different from a connecting position at which the target tissue is connected to other biological tissue; (b) attaching part of a second traction member to a second position which serves as the apex of a triangle formed together with the connecting position and the first position that surrounds the target site; (c) extending the first traction member in the direction from the connecting position to the first position, and extending the second traction member in the direction from the connecting position to the second position; and (d) transferring the target tissue within the body by applying traction on the first traction member and the second traction member respectively.

Abstract: This gastric therapy system includes a loop-forming member that forms a loop along a lesser-curvature-line and a greater-curvature-line in a stomach; a guide member that introduces the loop-forming member into the stomach; and a therapy section that cerclages a part of the gastric wall after looping the loop-forming member.

Abstract: A method of treating a lesion of a tubular organ that communicates with a natural orifice of a subject is provided. In the method, a channel of the tubular organ is closed or substantially closed at a desired first position on a far side of the lesion. Then, the channel is closed or substantially closed at a second position near the orifice, i.e. on a near side of the lesion. Then, the tubular organ is linearized by charging a fluid into a closed space formed between the first and second positions by bringing the tubular organ into a closed or substantially closed state. Treatment tools are inserted into the linearized closed space to treat the lesion.

Abstract: An endoscopic treatment tool according to the present invention is an endoscopic treatment tool which is inserted into hollow organs via the mouth, nose, anus, or other natural orifice of the patient and performs suturing treatment within the hollow organs or abdominal cavities, includes: a hollow organ lining support which is smaller than the smallest diameter of a passage from a natural orifice of the hollow organ, the hollow organ lining support being able to expand so as to have a diameter larger than the smallest diameter of the passage from the natural orifice of the hollow organ.

Abstract: A medical port includes: a faceplate having a through-hole; a fixing ring formed in an annular shape and having an outer circumferential surface in which an outer diameter is gradually increased from a first opening end opened at a faceplate side toward a second opening end opened at an opposite side of the faceplate side; and a moving member connected to the fixing ring and the faceplate and configured to move the fixing ring with respect to the faceplate such that the fixing ring is pulled toward the faceplate.

Abstract: The medical treatment endoscope according to the present invention includes a sheath having a flexibility; at least one arm member having a bending part that projects out from a front end of the sheath and performs bending actions; an open/close mechanism which directs the arm member from a direction along a central axis of the sheath to a direction deviated from the central axis of the sheath, and from a direction deviated from the central axis of the sheath to a direction along the central axis of the sheath; and a viewing device and an illuminating member that are disposed to the front end side of the sheath.

Abstract: A method of making an incision in an organ includes piercing, by a puncture needle having a proximal end and a distal end, an abdominal wall and an organ that is to be incised, disposing, via the puncture needle, an electrode, to which a first end of a cable is electrically connected, inside the organ, and disposing a second end of the cable outside a body, performing insufflation using a conduit so as to form a space between the abdominal wall and the organ, pulling the cable farther from the second end so that the electrode is placed in contact with an incision position of the organ, and the incision position of the organ is pulled into the space, and supplying power to the cable so that an incision is made by the electrode at the incision position of the organ.

Abstract: The medical treatment endoscope according to the present invention includes a sheath having a flexibility; at least one arm member having a bending part that projects out from a front end of the sheath and performs bending actions; an open/close mechanism which directs the arm member from a direction along a central axis of the sheath to a direction deviated from the central axis of the sheath, and from a direction deviated from the central axis of the sheath to a direction along the central axis of the sheath; and a viewing device and an illuminating member that are disposed to the front end side of the sheath.

Abstract: According to one aspect of the present invention, there is provided a treatment device for cutting a living tissue, comprising a main unit which is to be inserted into a body, a tip-end treatment portion which is disposed at a tip end of the main unit to cut the living tissue, a notch groove which is disposed at the tip-end treatment portion and which compresses the living tissue guided into the notch groove, and an electrode which is positioned in a part of the notch groove and which electrically cuts the living tissue compressed by the notch groove.

Abstract: A surgical treatment apparatus according to the present invention includes an outer sheath, extending from a base portion subject to an operator's hand to the tip subject to insertion into a body cavity, that is provided with a working channel through which a treatment instrument can be passed; an image pickup device disposed at the tip portion of the outer sheath; and pivotable forceps disposed at the tip portion of the outer sheath, supported on a supporting section protruding in the axial direction via a joint being bent away from the working channel, and having a pair of forceps members arranged so as to be freely opened/closed, wherein the image pickup device is disposed at a position between the axis line of the supporting section and the axis line of the working channel and offset from an imaginary line connecting the two axis lines.

Abstract: An endoscope holding device includes an insertion part that is long and holds the distal end part of an endoscope so as to freely protrude and retract; a distal end face that specifies a protruding direction of the endoscope, and is formed at the distal end of the insertion part, a displacement part which has a displacement face that is curved from the distal end toward a proximal end and provided at a position apart from the distal end face in order to displace living body tissue in front of the insertion part to secure a space for operating the distal end part of the endoscope protruded from the distal end face to curve; and a fixing portion that fixes the displacement part and the insertion part such that the distal end side of the displacement face intersects a direction orthogonal to the distal end face.

Abstract: An overtube including an insertion portion having a distal end portion and a proximal end portion, at least the distal end portion being inserted into an examination subject; a first lumen formed in the insertion portion and in which a device for carrying out medical procedures in the examination subject is freely inserted and removed; a tissue cutting portion that is to be disposed at the distal end portion of the insertion portion traversing the first lumen and that cuts the tissue of the examination subject; and a holding portion that holds the tissue cutting portion at a position removed from a position traversing the first lumen.

Abstract: A living-body tissue removing apparatus includes a grip portion, an inserting portion which is connected to the grip portion and is inserted in the body, and an air feed channel which feeds predetermined air in the inserting portion so as to discharge the predetermined air from an opening arranged to the inserting portion.

Abstract: According to one aspect of the present invention, there is disclosed a treatment sheath for endoscopic blood vessel harvesting, comprising a sheath main unit which can be inserted into a body through a cut skin portion in order to harvest a blood vessel in the body, a channel which is formed along a longitudinal direction in the sheath main unit and through which an endoscope is inserted so as to be insertable/detachable, a blood vessel holding member which is disposed at the sheath main unit and which holds the blood vessel to be harvested; and a blood vessel cutting device which is disposed at the sheath main unit and is positioned substantially symmetrically with the blood vessel holding member with respect to the channel and which cuts the blood vessel to be harvested.

Abstract: An organ displacing method implemented for performing a procedure in a patient's body cavity, the method includes a gravitational movement step in which the body position of the patient is changed, whereby surrounding organs adjacent to a hollow organ are moved in a primary direction by gravity; and a non-gravitational movement step in which, by using a medical instrument inserted into the hollow organ, the hollow organ is moved in a secondary direction where the hollow organ is separated from the surrounding organs.