US20070213754A1 - Incision instrument, incision apparatus, and organ incision method - Google Patents
Incision instrument, incision apparatus, and organ incision method Download PDFInfo
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- US20070213754A1 US20070213754A1 US11/371,455 US37145506A US2007213754A1 US 20070213754 A1 US20070213754 A1 US 20070213754A1 US 37145506 A US37145506 A US 37145506A US 2007213754 A1 US2007213754 A1 US 2007213754A1
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- organ
- incision
- puncture needle
- cable
- electrode
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1477—Needle-like probes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/273—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
- A61B1/2736—Gastroscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00273—Anchoring means for temporary attachment of a device to tissue
- A61B2018/00279—Anchoring means for temporary attachment of a device to tissue deployable
Definitions
- the present invention relates to an incision instrument for making an incision in an organ and to an incision apparatus that incorporates the incision instrument, and also to an organ incision method.
- a laparoscopic operation When performing a procedure on an organ in a human body, a laparoscopic operation is known in which, a procedure is performed by opening a plurality of perforations in the abdominal wall and by inserting a rigid laparoscope or a treatment instrument such as forceps in each of the perforations, instead of making a large incision in the abdominal wall. Because only a small perforation needs to be opened, the method has the advantages that there is little invasiveness and the recovery of the patient is rapid.
- the endoscope is used for monitoring the interior of the body cavity.
- An organ is then treated using a treatment instrument that is passed through the endoscope or using a treatment instrument that is passed through another perforation opened in the stomach or a perforation opened in the sigmoid colon through the anus.
- the treatment instrument is withdrawn and the perforations are closed.
- the tissue surrounding each of the perforations is suctioned so as to be bunched up and the tissue is then fastened using an O-ring.
- the incision instrument of the present invention includes: a substantially rod-shaped electrode that has one end and the other end; a cable that has one end that is electrically connected to the electrode; and a connecting portion that is provided at the other end of the cable and is connectable to a high frequency power supply.
- the incision apparatus includes: a puncture needle in which is formed a lumen that extends from a proximal end to a distal end of the puncture needle; an incision instrument that includes a substantially rod-shaped electrode that has one end and the other end, a cable that has one end that is electrically connected to the electrode, and a connecting portion that is provided at the other end of the cable and is connectable to a high frequency power supply, and in which at least the electrode is inserted into the lumen from the distal end of the puncture needle; and a pusher that is inserted into the lumen from the proximal end of the puncture needle and that is adapted to push the electrode of the incision instrument out from the distal end of the puncture needle.
- the incision apparatus includes: a flexible sheath; a flexible puncture needle in which is formed a lumen that extends from a proximal end to a distal end of the puncture needle, and that is inserted into the sheath and is adapted to retractably protrude from a distal end of the sheath; an incision instrument that includes a substantially rod-shaped electrode that has one end and the other end, a cable that has one end that is electrically connected to the electrode, and a connecting portion that is provided at another end of the cable and is connectable to a high frequency power supply, and in which at least the other end of the cable is inserted into the lumen from the distal end of the puncture needle; and a pusher that is inserted into the lumen from the proximal end of the puncture needle and whose distal end is engaged by the other end of the cable of the incision instrument, and that is adapted to push the other end of the cable out from the distal end of the puncture needle
- the method of making an incision in an organ of the present invention includes: piercing, by a puncture needle, an abdominal wall and an organ that is to be incised; disposing, via the puncture needle, a substantially rod-shaped electrode inside the organ, and disposing the other end of a cable whose one end is electrically connected to the electrode outside a body through the organ and the abdominal wall; performing insufflation using a conduit that has been introduced into an abdominal cavity so as to form a space between the abdominal wall and the organ; pulling the cable towards the other end side so that the electrode that is connected to the one end of the cable is placed in contact with an incision position of the organ, and the incision position of the organ is pulled into the space that is formed between the abdominal wall and the organ; and supplying power to the cable so that an incision is made by the electrode at the incision position of the organ.
- FIG. 1 is an overall view in which a portion has been cut away showing the structure of an incision apparatus according to the first embodiment.
- FIG. 2 is a perspective view of an incision instrument of the incision apparatus according to the first embodiment.
- FIG. 3 is an enlarged view of a distal end of a puncture needle of the incision apparatus.
- FIG. 4 is a cross-sectional view of an engaging block of the incision apparatus.
- FIG. 5 is an explanatory view showing a state prior to the treatment of an organ.
- FIG. 6 is an explanatory view showing the piercing of an organ by a puncture needle of the incision apparatus.
- FIG. 7 is an explanatory view showing the piercing of an organ by a puncture needle of the incision apparatus.
- FIG. 8 is an explanatory view showing the positioning of an incision instrument inside an organ.
- FIG. 9 is an explanatory view showing the positioning of an incision instrument inside an organ.
- FIG. 10 is an explanatory view showing the insufflation of a body cavity and the drawing back of organs.
- FIG. 11 is an explanatory view showing a variant example of the insufflation of a body cavity and the drawing back of organs.
- FIG. 12 is an explanatory view showing the incision of an organ using an incision instrument.
- FIG. 13 is a perspective view of an incision instrument according to a variant example of the embodiment.
- FIG. 14 is a cross-sectional view showing the structure of an incision apparatus according to the second embodiment.
- FIG. 15 is a perspective view of an incision instrument of the incision apparatus according to the second embodiment.
- FIG. 16 is an explanatory view showing the piercing of an organ by a puncture needle of the incision apparatus.
- FIG. 17 is an explanatory view showing the piercing of an organ by a puncture needle of the incision apparatus.
- FIG. 18 is an explanatory view showing the piercing of an organ by a puncture needle of the incision apparatus.
- FIG. 19 is an explanatory view showing the positioning of an incision instrument inside an organ.
- FIG. 20 is an explanatory view showing the positioning of an incision instrument inside an organ.
- FIG. 21 is an explanatory view showing the positioning of an incision instrument inside an organ.
- FIG. 22 is an explanatory view showing the insufflation of a body cavity and the drawing back of organs.
- FIG. 23 is an explanatory view showing the incision of an organ using an incision instrument.
- the incision apparatus is shown in FIG. 1 .
- the incision apparatus 1 has a puncture needle 2 whose distal end 2 a has been sharpened to a point and in which a lumen 2 c is formed from a proximal end 2 b to the distal end 2 a .
- the proximal end 2 b of the puncture needle 2 is fitted inside a substantially cylindrical needle holder 3 and the puncture needle 2 is fixed thereto.
- a through hole 3 a is formed in a proximal end portion of the needle holder 3 , and the hole 3 a is linked to the lumen 2 c of the puncture needle 2 .
- a pusher 4 that has a stopper 4 a at a proximal end thereof is inserted from the proximal end 2 b into the lumen 2 c of the puncture needle 2 via the through hole 3 a of the needle holder 3 .
- a rod-shaped portion 4 b of the pusher 4 that is inserted into the lumen 2 c of the puncture needle 2 is set so as to be substantially equal in length to the puncture needle 2 or so as to be longer than the puncture needle 2 .
- the incision apparatus 1 also has an incision instrument 20 .
- the incision instrument 20 has a substantially rod-shaped electrode 21 that has one end 21 b and another end 21 c , and a cable 22 that is able to conduct electricity.
- a side surface portion 21 a is formed between the one end 21 b and the other end 21 c of the electrode 21 .
- one end 22 a of the cable 22 is electrically connected to what is substantially the center in the longitudinal direction of the side surface portion 21 a of the electrode 21 .
- a connector 23 that is an electrically connectable connecting portion is provided at another end 22 b . Except for the one end 22 a and the other end 22 b , the cable 22 is covered by an insulating tube 24 that provides electrical insulation.
- the incision instrument 20 has a counter electrode 10 b that is placed on the surface of a patient's body.
- a connector 10 a of a high frequency power supply 10 is connected to the connector 23 , and the counter electrode 10 b is provided on the surface of the patient's body.
- Power is supplied to the incision instrument 20 by the operation of a foot switch 10 c and when power is supplied via the electrode 21 to a subject (i.e., to a biological organism), and the subject that is in contact with the electrode 21 can be cut by burning.
- the current that is supplied via the electrode 21 to the subject is recovered via the counter electrode 10 b that is located externally from the body.
- the electrode 21 of the cutting instrument 20 is also inserted from the distal end 2 a of the puncture needle 2 into the lumen 2 c , and the cable 22 that is connected to the electrode 21 is positioned such that it extends to the outside of a notch 2 d that is formed in the distal end 2 a of the puncture needle 2 extending towards the proximal end 2 b.
- the cutting apparatus 1 has an engaging block 5 that serves as a fixing instrument in which are formed a through hole 5 a and a through hole 5 b through the center of which it is possible to insert the puncture needle 2 and the cable 22 .
- the through holes 5 a and 5 b are joined to each other in the radial directions thereof.
- a threaded hole 5 d is formed extending from a side surface 5 c of the engaging block 5 to the side of the through hole 5 a that is opposite the through hole 5 b , and a locking screw 6 on which is formed a corresponding male thread 6 a is threaded into the threaded hole 5 d .
- a convex portion 6 b having a blunted distal end is formed at a distal end portion of the locking screw 6 .
- a description will be given of a procedure and of a method of making an incision in an organ of the embodiment.
- a description is given of an operation to form a perforation in a wall portion of a hollow organ by using the incision apparatus 1 to introduce a device such as an endoscope that is inserted into an abdominal cavity through a natural orifice in a body into a hollow organ (i.e., an internal organ) and then by using the device to perform a desired medical procedure inside the abdominal cavity.
- a perforation is formed in a stomach wall (more specifically, the front wall of the stomach, or the area on the front side (i.e., the abdomen side) of the greater omentum that hangs down from the greater stomach curvature) in order to enable an approach to the abdominal cavity to be made.
- suitable medical procedures that can be performed inside the abdominal cavity include observations, biopsies, extirpations of organs and the like. More specifically, observations inside the body cavity, biopsies and cauterizations of organs (such as livers and pancreases) inside the abdominal cavity, sterilization treatments, and extirpations of appendixes and gall bladders.
- a perforation is formed in a hollow organ using the incision apparatus 1 in order to allow an approach to be made from the abdominal cavity.
- the hollow organ in which the perforation is formed is not limited to a stomach and may also be a digestive tract other than the stomach such as the large intestine, the small intestine, or the esophagus, or the womb or bladder.
- the natural orifice through which the device is inserted into a body is not limited to the mouth and may also be the nose or anus.
- FIG. 5 shows a cross section of a human body in the vicinity of the stomach prior to treatment.
- a stomach 30 Prior to treatment, inside an abdominal cavity 31 , a stomach 30 is in a state of contact with an abdominal wall 32 and other organs 33 inside the abdominal cavity 31 .
- an insertion portion of an endoscope 7 that has an observation apparatus 7 b and a conduit 7 c that enables a fluid (such as a gas or liquid) to be supplied to the body interior is introduced through a natural orifice in the form of the patient's mouth into an interior portion 30 a of the stomach 30 , thereby enabling observations to be made of the interior portion 30 a of the stomach 30 .
- a fluid such as a gas or liquid
- the incision apparatus 1 is prepared.
- the incision apparatus 1 is in a state in which the electrode 21 of the incision instrument 20 is inserted from the distal end 2 a of the puncture needle 2 , and the puncture needle 2 and the cable 22 of the incision instrument 20 are inserted in the through holes 5 a and 5 b of the engaging block 5 and are engaged by the locking screw 6 .
- the stomach 30 is then distended via the conduit 7 c (i.e., a conduit that is introduced into an organ from a natural orifice) that is provided in the endoscope 7 .
- the area surrounding the stomach 30 is pressed using fingers from the body exterior 34 and the marks of the fingers are observed using the observation apparatus 7 b (i.e., an observation apparatus that is introduced into an organ from a natural orifice) that is provided in the endoscope 7 .
- the puncture needle 2 of the incision apparatus 1 is then made to pierce the abdominal wall 32 at a position that allows it to penetrate from the abdominal wall as far as an incision position 30 c of a front wall 30 b of the stomach 30 while avoiding the other organs 33 .
- the puncture needle 2 is then inserted as far as a position where the engaging block 5 comes into contact with the abdominal wall 32 , and the distal end 2 a of the puncture needle 2 is made to protrude into the interior portion 30 a of the stomach 30 .
- the process of causing the puncture needle 2 to pierce the front wall 30 b of the stomach 30 is performed while continuously observing the interior portion 30 a of the stomach 30 using the endoscope 7 .
- the pusher 4 is further inserted from the proximal end 2 b of the puncture needle 2 to the distal end 2 a thereof. Consequently, the electrode 21 of the incision instrument 20 is pushed out from the distal end 2 a of the puncture needle 2 .
- the electrode 21 of the incision instrument 20 is positioned in the interior portion 30 a of the stomach 30 , and the cable 22 passes through the portion pierced by the puncture needle 2 , namely, is inserted through the stomach 30 and the abdominal wall 32 , while the other end 22 b is placed outside the body.
- the locking screw 6 is loosened and the puncture needle 2 is pulled out from the stomach 30 and the abdominal wall 32 .
- the locking screw 6 is once again tightened and the cable 22 of the incision instrument 20 is engaged so that it does not drop down.
- an insufflation needle 8 is inserted through the abdominal wall 32 from outside the body and the abdominal cavity 31 is inflated with air. Consequently, a space 36 is formed between the abdominal wall 32 and the stomach 30 .
- the method used for the insufflation is not limited to one in which, as is described above, the abdominal cavity is inflated from the body exterior 34 via the abdominal wall 32 and it may also be inflated from the interior portion 30 a of the stomach 30 .
- an insufflation needle 9 may be inserted from a natural orifice in the form of the patient's mouth via a channel 7 a in an endoscope 7 that has been inserted into the interior portion 30 a of the stomach 30 .
- the insufflation needle 9 is then made to protrude from the distal end of the insertion portion of the endoscope 7 and pierce the stomach wall 30 b of the stomach 30 , thereby enabling the abdominal cavity 31 to be inflated with air.
- the abdominal wall 32 is lifted in the upward direction in the drawings as shown by the arrows in FIG. 10 .
- the cable 22 is fixed to the engaging block 5 that is placed on the surface of the abdomen so that the electrode 21 that has been retained inside the stomach 30 acts as an anchor. Because the distance between the position where the cable 22 is fixed to the engaging block 5 and the electrode 21 remains constant, when the abdominal wall 32 is lifted up a portion of the stomach 30 is raised up (or is pulled up) by the electrode 21 .
- the stomach 30 may also be raised up by once again loosening the locking screw 6 and pulling the cable 22 of the incision instrument 20 , namely, dragging the cable 22 to the other end 22 b side.
- the connector 23 at the other end 22 b of the cable 22 is connected to the connector 10 a of the high frequency power supply 10 .
- the counter electrode 10 b of the incision instrument 20 is also connected to the high frequency power supply 10 and this is then placed in contact with an optional part of the patient, for example, the patient's back.
- the stomach 30 can be incised without any power being conducted to the abdominal wall 32 .
- the front wall 30 b of the stomach 30 and the abdominal wall 32 are isolated from each other.
- the front wall 30 b of the stomach 30 is drawn into the space 36 and is incised with the other organs 33 dropping down, an incision can be made even more easily while avoiding the other organs 33 in the vicinity of the stomach 30 .
- the incision when making an incision, by selecting the front wall 30 b of the stomach 30 , then designating the incision position 30 c , and then making the incision, the incision can be made while avoiding omental arteries and veins.
- the endoscope 7 because it is possible to observe the processing sequence using the endoscope 7 that has the observation apparatus 7 b in the interior portion 30 a of the stomach 30 , making an incision in an organ such as the stomach 30 is made even easier.
- the incision apparatus 1 it is possible to easily incise only the front wall 30 b of the stomach 30 and avoid the abdominal wall 32 and the other organs 33 by only forming a small hole in the abdominal wall 32 for inserting the puncture needle 2 and forming a small hole in either the abdominal wall 32 or the stomach 30 in order to perform the insufflation.
- the endoscope 7 is introduced into the abdominal cavity 31 through the perforation and a desired medical procedure, such as that described above, can be performed. Once the medical procedure inside the abdominal cavity 31 has ended, the links to the interiors of the stomach 30 and abdominal cavity 31 via the perforation are closed.
- the cable 22 is positioned so as to extend to the outside from the notch 2 d in the distal end 2 a , however, it is also possible for the cable 22 to be left inside the lumen 2 c as far as the proximal end 2 b of the puncture needle 2 . In cases such as this, after the abdominal wall 32 and the front wall 30 b of the stomach 30 have been pierced by the puncture needle 2 and the electrode 21 has been pushed out, it is necessary to pull the cable 22 out from the puncture needle 2 .
- the connector 23 is not provided on the other end 22 b of the cable 22 , and the other end 22 b that is not insulated by the insulating tube 24 is used as the connecting portion and is connected to the connector 10 a of the dc high frequency power supply 10 .
- FIG. 13 shows a variant example of the incision instrument of the present embodiment.
- the electrode 21 and the cable 22 are electrically connected by two incision cables 41 .
- one end 41 a of each incision cable 41 is connected is electrically connected to one of the two ends 21 b and 21 c of the electrode 21 on a side surface portion 21 a of the electrode 21 .
- other ends 41 b of each incision cable 41 are both electrically connected to the one end 22 a of the cable 22 .
- the incision cables 41 are not insulated by the insulating tube 24 .
- the incision cable 41 makes contact first with the organ so that the organ is incised gradually. Moreover, because the electrode 21 makes the final contact with the organ, the incision at the incision position can be performed more easily.
- FIG. 14 shows an incision apparatus according to the second embodiment of the present invention.
- the same symbols are used for components that are the same as those used in the above described embodiment and a description thereof is omitted.
- an incision apparatus 50 has a sheath 51 that is flexible and is able to be inserted into the channel of an endoscope, and a puncture needle 52 that is inserted into the sheath 51 and that has a sharpened end 52 a .
- the puncture needle 52 is constructed with a rigid needle member 52 d at the distal end of the flexible sheath 52 e .
- a lumen 52 c is formed extending from a proximal end 52 b to a distal end 52 a of the puncture needle 52 and the puncture needle 52 is able to bend together with the sheath 51 .
- a substantially cylindrical gripping member 53 is fitted onto the outside of the proximal end 51 a of the sheath 51 and is fixed thereto.
- a substantially cylindrical needle operating portion 54 is fitted onto the outside of the proximal end 52 b of the puncture needle 52 and is fixed thereto.
- a stopper 54 a that has an enlarged diameter is formed at a proximal end of the needle operating portion 54 .
- the needle operating portion 54 can be inserted into a through hole 53 a in the gripping member 53 until the stopper 54 a comes up against the gripping member 53 .
- the puncture needle 52 can be pushed down from the distal end 51 b of the sheath 51 .
- a through hole 54 b that communicates with the lumen 52 c of the puncture needle 52 is also formed in the needle operating portion 54 , and a pusher 55 that has a stopper 55 a at a proximal end thereof is inserted from the through hole 54 b of the needle operating portion 54 as far as the lumen 52 c of the puncture needle 52 .
- a rod-shaped portion 55 b of the pusher 55 that is inserted in the through hole 54 b of the needle operating portion 54 and the lumen 52 c of the puncture needle 52 is flexible and is able to bend together with the sheath 51 and the puncture needle 52 .
- the rod-shaped portion 55 b is set so as to be longer than the length of the puncture needle 52 and the needle operating portion 54 .
- the incision apparatus 50 also has an incision instrument 60 .
- the incision instrument 60 has a substantially rod-shaped electrode 61 that has one end 61 b and another end 61 c , and a cable 62 that is able to conduct electricity.
- a side surface portion 61 a is formed between the one end 61 b and the other end 61 c of the electrode 61 .
- One end 62 a of the cable 62 is electrically connected to substantially the center in the longitudinal direction of the side surface portion 61 a of the electrode 61 .
- the cable 62 is covered by an insulating tube 64 that provides electrical insulation, however, the one end 62 a that connects to the electrode 61 and another end 62 b that is able to be connected electrically so as to form a connecting portion 63 are in an exposed state.
- the electrode 61 of the incision instrument 60 is inserted into the lumen 52 c so as to be parallel in a radial direction with the rod-shaped portion 55 b of the pusher 55 at the distal end 52 a of the puncture needle 52 .
- the cable 62 of the incision instrument 60 is also inserted into the lumen 52 c of the puncture needle 52 , and the other end 62 b is engaged with an engaging groove 55 c that is formed in a distal end portion of the rod-shaped portion 55 b of the pusher 55 .
- the hollow organ i.e., the internal organ
- the natural orifice is also not limited to a mouth.
- the insertion portion of the endoscope 7 that has the observation apparatus 7 b and the conduit 7 c that is able to supply a fluid (i.e., a gas or a liquid) to the body interior is introduced into the interior portion 30 a of the stomach 30 through a natural orifice in the form of the patient's mouth.
- the stomach 30 is then inflated with air so that observations can be made from the interior portion 30 a of the stomach 30 .
- the sheath 51 of the incision apparatus 50 is inserted into the channel 7 a from the proximal end portion of the endoscope 7 (not shown).
- the sheath 51 is then made to protrude from the distal end of the insertion portion and, by then further operating the needle operation portion 54 , the puncture needle 52 is made to protrude from the distal end 51 b of the sheath 51 .
- the area surrounding the stomach 30 is pressed using fingers from the body exterior 34 and the marks of the fingers are observed using the observation apparatus 7 b (i.e., an observation apparatus that is introduced into an organ from a natural orifice) that is provided in the endoscope 7 .
- the observation apparatus 7 b of the endoscope 7 the predetermined incision position 30 c is confirmed from the interior portion 30 a of the stomach 30 and, as shown in FIG. 18 , the puncture needle 52 is made to pierce the abdominal wall 32 from the interior portion 30 a of the stomach 30 and protrude to the body exterior 34 .
- the pusher 55 of the incision apparatus 50 is further inserted from the proximal end 52 b of the puncture needle 52 towards the distal end 52 a by pushing it at the proximal end portion of the endoscope 7 (not shown). Because of this, the distal end of the rod-shaped portion 55 b of the pusher 55 protrudes from the distal end 52 a of the puncture needle 52 , and, in conjunction with this, the distal end 62 b of the cable 62 of the incision instrument 60 that is engaged with the distal end engaging groove 55 c is also pushed out. Namely, the other end 62 b of the cable 62 is pushed to the body exterior 34 from the interior portion 30 a of the stomach 30 and is positioned at the body exterior 34 .
- the state of engagement between the pusher 55 and the other end 62 b of the cable 62 is terminated, and the cable 62 is gripped by forceps 56 .
- the needle operating portion 54 of the incision apparatus 50 is again operated at the proximal end portion of the endoscope 7 (not shown) and the puncture needle 52 is pulled out from the abdominal wall 32 and the front wall 30 b of the stomach 30 and is pulled back into the interior portion 30 a of the stomach 30 .
- the electrode 61 that is connected to the one end 62 a is pulled out from the lumen 52 c of the puncture needle 52 and is positioned in the interior portion 30 a of the stomach 30 .
- the other end 62 b of the cable 62 is inserted into the through hole 5 b in the engaging block 5 , which serves as a fixing instrument, and the engaging block 5 is made to abut against the abdominal wall 32 .
- the incision instrument 60 is placed in a reliably fixed state.
- the puncture needle 52 and the sheath 51 are withdrawn from the channel 7 a of the endoscope 7 , and the insufflation needle 9 is inserted.
- the puncture needle 52 of the incision apparatus 50 it is also possible to use the puncture needle 52 of the incision apparatus 50 .
- the insufflation needle 9 is made to pierce the stomach wall 30 b of the stomach 30 , the abdominal cavity 31 is inflated with air, and the space 36 is formed between the abdominal wall 32 and the stomach 30 .
- the method used for the insufflation may also be one in which the abdominal cavity is inflated from the body exterior 34 via the abdominal wall 32 .
- the abdominal wall 32 is lifted in the upward direction in the drawings as shown by the arrows in FIG. 22 .
- the cable 62 is fixed to the engaging block 5 that is placed on the surface of the abdomen so that the electrode 61 that has been retained inside the stomach 30 acts as an anchor. Consequently, because the distance between the position where the abdominal wall 32 is fixed to the engaging block 5 and the electrode 61 remains constant, when the abdominal wall 32 is lifted up a portion of the stomach 30 is raised up (or is pulled up) by the electrode 61 .
- the stomach 30 may also be raised up by once again loosening the locking screw 6 and pulling the cable 62 of the incision instrument 60 , namely, dragging the cable 62 to the other end 62 b side.
- the connector 10 a of the high frequency power supply 10 is directly connected to the connecting portion 63 of the cable 62 that is protruding to the body exterior 34 . If the foot switch is operated while the counter electrode 10 b is in contact with the patient's body, current is supplied to the electrode 61 and an incision is made at the incision position 30 c of the front wall 30 b of the stomach 30 .
- the endoscope 7 is introduced into the abdominal cavity 31 through the perforation and a desired medical procedure such as that described above is performed. Once the medical procedure has been completed inside the abdominal cavity 31 , the links to the interiors of the stomach 30 and abdominal cavity 31 via the perforation are closed.
- the puncture needle 52 is inserted from the channel 7 a of the endoscope 7 that has been introduced through a natural orifice, however, the puncture needle 52 is not limited to this.
- the incision instrument 60 a structure is employed in which the cable 62 is inserted into the lumen 52 c of the puncture needle 52 and the other end 62 c is engaged in the engaging groove 55 c of the pusher 55 .
- the electrode 61 is also inserted in the lumen 52 c , however, the incision instrument 60 is not limited to this.
- the distal end 62 a is placed so as to extend to the outside from the distal end 52 a of the puncture needle 52 , and the electrode 61 is placed in the interior of the sheath 51 outside the puncture needle 52 .
- the present invention is not limited to this and may also be applied in the same way to other hollow organs provided that they can be accessed inside the abdominal cavity 31 by forming a perforation, so as to make it possible to make an incision easily.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/371,455 US20070213754A1 (en) | 2006-03-08 | 2006-03-08 | Incision instrument, incision apparatus, and organ incision method |
JP2007024857A JP2007236928A (ja) | 2006-03-08 | 2007-02-02 | 切開具、切開装置、及び、ブロック |
DE602007009790T DE602007009790D1 (de) | 2006-03-08 | 2007-03-06 | Inzisionsinstrument, Inzisionsvorrichtung und Block |
EP08008295A EP1958582B1 (fr) | 2006-03-08 | 2007-03-06 | Instrument d'incision, appareil d'incision et bloc |
EP08008296A EP1961393B1 (fr) | 2006-03-08 | 2007-03-06 | Instrument d'incision, appareil d'incision et bloc |
DE602007004368T DE602007004368D1 (de) | 2006-03-08 | 2007-03-06 | Inzisionsinstrument, Inzisionsvorrichtung und Block |
EP07004541A EP1832242B1 (fr) | 2006-03-08 | 2007-03-06 | Instrument d'incision, appareil d'incision et bloc |
DE602007010580T DE602007010580D1 (de) | 2006-03-08 | 2007-03-06 | Inzisionsinstrument, Inzisionsvorrichtung und Block |
US12/637,687 US8540706B2 (en) | 2006-03-08 | 2009-12-14 | Organ incision method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/371,455 US20070213754A1 (en) | 2006-03-08 | 2006-03-08 | Incision instrument, incision apparatus, and organ incision method |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/637,687 Division US8540706B2 (en) | 2006-03-08 | 2009-12-14 | Organ incision method |
Publications (1)
Publication Number | Publication Date |
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US20070213754A1 true US20070213754A1 (en) | 2007-09-13 |
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Family Applications (2)
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US12/637,687 Active 2028-10-16 US8540706B2 (en) | 2006-03-08 | 2009-12-14 | Organ incision method |
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EP (3) | EP1961393B1 (fr) |
JP (1) | JP2007236928A (fr) |
DE (3) | DE602007010580D1 (fr) |
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Also Published As
Publication number | Publication date |
---|---|
DE602007010580D1 (de) | 2010-12-30 |
EP1961393B1 (fr) | 2010-10-13 |
EP1958582A1 (fr) | 2008-08-20 |
US20100094284A1 (en) | 2010-04-15 |
US8540706B2 (en) | 2013-09-24 |
EP1832242A1 (fr) | 2007-09-12 |
EP1958582B1 (fr) | 2010-11-17 |
DE602007009790D1 (de) | 2010-11-25 |
EP1961393A1 (fr) | 2008-08-27 |
EP1832242B1 (fr) | 2010-01-20 |
JP2007236928A (ja) | 2007-09-20 |
DE602007004368D1 (de) | 2010-03-11 |
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