WO2010109908A1 - 医療用処置具 - Google Patents
医療用処置具 Download PDFInfo
- Publication number
- WO2010109908A1 WO2010109908A1 PCT/JP2010/002192 JP2010002192W WO2010109908A1 WO 2010109908 A1 WO2010109908 A1 WO 2010109908A1 JP 2010002192 W JP2010002192 W JP 2010002192W WO 2010109908 A1 WO2010109908 A1 WO 2010109908A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- medical treatment
- holder
- rod
- bent
- Prior art date
Links
Images
Classifications
-
- 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
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
-
- 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
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2904—Details of shaft curved, but rigid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2939—Details of linkages or pivot points
- A61B2017/294—Connection of actuating rod to jaw, e.g. releasable
-
- 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
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/0013—Coatings on the energy applicator non-sticking
-
- 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
- A61B2018/00184—Moving parts
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
-
- 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
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1452—Probes having pivoting end effectors, e.g. forceps including means for cutting
- A61B2018/1457—Probes having pivoting end effectors, e.g. forceps including means for cutting having opposing blades cutting tissue grasped by the jaws, i.e. combined scissors and pliers
Definitions
- the present invention relates to a medical treatment instrument for sandwiching a living tissue and coagulating and cutting it.
- a surgical treatment apparatus it is known to perform coagulation, hemostasis, incision and the like on living body parts such as digestive organs, liver, bladder, prostate, uterus, blood vessels and intestinal tract using microwaves.
- the surface of the living tissue is heated and solidified by Joule heat using a high-frequency voltage centered at a frequency of 500 kHz.
- Joule heat such as an electric knife
- the living tissue is rapidly coagulated, so that the coagulated surface may be peeled off from the living tissue.
- a living tissue is grasped between electrodes and microwaves are applied to the living tissue.
- dielectric heat is generated due to a near electromagnetic field caused by the microwave power.
- the living tissue can be solidified by evaporating the moisture of the living tissue by this dielectric heat.
- Patent Document 1 discloses that a center electrode and an external electrode are connected to each other with the tip portion thereof being mutually in the axial direction of the external conductor. By placing the outer conductor and the moving conductor relative to each other in the axial direction, the center electrode and the outer electrode are slidably displaced along the tilt direction.
- Patent Document 2 discloses a device in which both blades are parallel when gripping.
- an object of the present invention is to provide a medical treatment instrument that can eliminate the visual inconvenience of an operator in an actual clinical medical treatment.
- the present invention examines the shapes of various medical treatment instruments, and can fully achieve the functions of grasping, coagulation, and cutting, and can eliminate visual field obstacles for the operator in clinical practice.
- a visual field can be secured by introducing a curvature in the vicinity of the electrode portion of the outer tube, and the present invention has been completed.
- the present invention comprises: 1. An electrode portion having a gripping function, a coagulation function, and a cutting function, each including a first electrode and a second electrode disposed opposite to the first electrode; and the first electrode and the second electrode An operation unit that performs driving of a gripping function, a coagulation function, and a cutting function, a shaft unit that connects the electrode unit and the operation unit, a connector unit that can be connected to a microwave power source installed at one end of the operation unit, and a microwave A conductive rod installed in the shaft portion to be supplied to the electrode portion; and an electrode operation rod installed in the shaft portion for transmitting the operation force from the operation portion to the electrode portion; between the first electrode and the second electrode
- the medical tissue has a function of sandwiching the biological tissue with the above, supplying a microwave to the electrode to coagulate the biological tissue, and cutting the biological tissue by the interaction between the first electrode and the second electrode.
- a treatment instrument comprising the sha Wherein the isolation portion electrode portion, the medical treatment instrument, characterized in that it is connected by bent holder. 2.
- the medical treatment tool according to item 1 wherein the bent holder has a divided structure in which divided parts are integrated.
- the shaft portion has an outer tube on the outside, and includes an electroconductive rod and an electrode operation rod that transmits an operation force from the operation portion to the electrode portion, and the bent holder is continuous with the shaft portion.
- each of the outer cylindrical tube, the conductive rod, and the electrode operating rod that transmits the operating force from the operating portion to the electrode portion is bent at the same angle as the bent holder. 4.
- the electrode operation rod for transmitting an operation force from the operation portion in the bent holder to the electrode portion is installed in the guide tube, and at least the bent portion of the guide tube has a flexible cylindrical structure.
- 6. The medical treatment tool according to any one of 6. 8).
- the flexible cylindrical structure is a flexible cylindrical body or a contact coil.
- the electrode operating rod is a pulling wire having a flexible cylindrical structure as a guide.
- 10. 10 The medical treatment tool according to any one of the preceding items 1 to 9, wherein a curvature of the bent holder is between 1 degree and 90 degrees. 11.
- each of the first electrode and the second electrode includes a rotatable operation blade and a fixed blade, and has an opening / closing function, or both electrodes have a sliding function capable of relative displacement.
- Medical treatment tool 12
- 13. The medical treatment instrument according to any one of the preceding items 1 to 12, wherein the first electrode and the second electrode are coated so that a solidified tissue does not easily adhere to the first electrode and the second electrode. 14 14.
- a medical treatment instrument comprising a first electrode that rotates by a back-and-forth movement of an electrode operating rod and a fixed second electrode, wherein the first electrode rotates about a rotation axis. Any one of 1 to 14 above, wherein the biological tissue is clamped and coagulated with the second electrode by the rotation of the first electrode, and the biological tissue is sheared by the further rotation of the first electrode.
- the living tissue is sandwiched between the first electrode and the second electrode, and the living tissue is coagulated by applying a microwave between the first electrode and the second electrode. Hemostasis is performed, and the living tissue can be cut by the interaction between the first electrode and the second electrode.
- the first electrode and the second electrode are subjected to a coating treatment for preventing adhesion of living tissue. For this reason, the biological tissue after coagulation does not adhere, and continuous coagulation and cutting treatments can be performed.
- the outer tube is bent from the vicinity of the tip electrode, or the shaft portion and the electrode portion are connected by a bent holder, and the operator's visual field is sufficiently secured, and the living tissue is sandwiched and cut. Is easy.
- the shaft part is supported rotatably. For this reason, the direction of an electrode can be changed freely.
- the whole structure of the medical treatment tool 1 of 1st Embodiment of this invention is shown.
- Cross section of electrode part and bent holder. B is an XX cross section of A.
- Cross section of electrode part and bent holder. B is a YY cross section of A.
- the electrode part 2 is shown.
- An upper blade electrode (first electrode) 18 and a lower blade electrode (second electrode) 19 are provided to face each other.
- a to C show a blade edge open state A, a state B clamped according to the volume of the living tissue, and a blade edge closed state C.
- the lower blade electrode 19 is shown.
- the electrode part and the bent holder part are shown. It is covered with a bent holder 34 that is divided into two parts 34 (a) and 34 (b), and is fixed by an outer tube 13.
- a fixing cap 37 fixed to the holder 34 is shown.
- the electrode part 2 the electroconductive rod installed in the inside of the bent holder, and the electrode operation rod are shown.
- the upper blade electrode 18 is pivotally supported by a pivot shaft 39 pivotally supported by the holder 33.
- the end of the electrode opening / closing rod 17 is connected to the upper blade electrode 18 at the mounting position 40.
- the shape of the shield holder 33 divided into two parts 33 (a) and 33 (b) is shown.
- 33 (a) is provided with a semicircular groove 41
- 33 (b) is provided with a semicircular ridge 42.
- the semicircular groove 41 and the semicircular ridge 42 coincide with each other.
- the shapes of the bent holder 34 divided into two parts 34 (a) and 34 (b) are shown.
- FIG. 3 is a cross-sectional view of an electrode opening / closing rod 17.
- FIG. The side view of the medical treatment instrument 1 and the main body part 11 are shown, and the main body part 11 is covered with a main body cover 50 made of resin.
- the lower oblique view of the medical treatment instrument 1 and the main body 11 are shown, and the main body cover 50 is configured by two parts 50a and 50b.
- An internal configuration of the main body 11 is shown.
- the internal structure of the outer tube 13 is shown inside the main body 11. It shows that slide pins 77 a and 77 b are fixed to the slide rod 76 inside the main body 11. In the main body 11, the slide pins 77 a and 77 b are guided and moved by the long holes 78 provided in the outer tube 13.
- An external view A and a cross-sectional view B of the movable handle 14 are shown.
- the structure of the movable handle 14, the cylindrical member 71, and the cylindrical member 79 is shown.
- the basic constituent elements of the medical treatment instrument of the present invention are an electrode part carrying a gripping function, a coagulation function and a cutting function, an operation part carrying a swingable movable handle, and a shaft part connecting the electrode part and the operation part (Also referred to as an outer tube), which includes a connector that can be connected to a microwave power source, a conductive rod installed in a shaft that supplies microwaves to the electrode, and an operating force from the operating unit.
- the feature point of this invention is a medical treatment tool characterized by the shaft part and an electrode part being especially connected by the bent holder. That is, the medical treatment instrument is characterized in that a shaft portion (also referred to as an outer tube) is bent from the vicinity of the tip electrode.
- the electrode portion is composed of a first electrode and a second electrode arranged to face the first electrode.
- the shape of the electrode part is not particularly limited as long as it has a gripping function, a coagulation function, and a cutting function, and can have a shape according to a conventionally known purpose.
- the first electrode is rotated by a back-and-forth movement of the electrode operating rod, and a fixed second electrode is disposed so as to face the first electrode.
- the shaft is provided outside the center line between the first electrode and the second electrode, the first electrode is rotated around the rotation axis by the movable handle, and the first electrode and the second electrode are rotated.
- Biological tissue is sandwiched between the electrodes, the first electrode and the second electrode are made to face each other in parallel, and microwaves are supplied to the first electrode and the second electrode (preferably, a micro wave is supplied to the second electrode). A wave is supplied) to solidify the living tissue, and the first electrode is rotated around the rotation axis by the movable handle, and the first electrode and the second electrode are brought into contact with each other from the tip, and shearing is performed.
- the living tissue may be cut by the method disclosed in Japanese Patent Application Laid-Open No. 2005-21658.
- the tip ends of the first electrode and the second electrode are bent and inclined in the same direction with respect to the axial direction of the two conductors, and the leading ends of the two conductors are close to each other due to relative displacement in the axial direction of the two conductors. Then, the living tissue is grasped, microwaves are supplied and solidified, and both the electrodes are slidably displaced along the axial direction to cut the living tissue between the two electrodes. May be.
- the contact surface of the electrode portion with the living tissue can be widely applied to blade shapes, flat shapes, round shapes, rod shapes, uneven shapes, and the like.
- the electrode portion is a general conductor, and is formed of a copper alloy such as gold or silver-plated copper, gold or silver-plated brass, or phosphor bronze. It is more preferable that the electrode part is coated so that the solidified tissue is difficult to adhere in contact with the living tissue. Coating is performed with gold, a Teflon (registered trademark) -based member, or the like. Thereby, the coagulation
- an operation unit carrying a swingable movable handle is a part that performs operations such as pulling and gripping to drive the gripping and cutting functions of the first electrode and the second electrode.
- a widely known mechanism such as a slider crank mechanism is used to load an operating part such as a movable handle to perform a swinging motion, convert this swinging into a back-and-forth motion and transmit it to the electrode operating rod. can do.
- the operation unit includes, for example, a main body including a movable handle and a fixed handle as main components.
- the medical treatment instrument of the present invention has a tubular shaft portion as a portion connecting the operation portion and the electrode portion.
- the shaft portion is also indicated as an outer tubular tube in the following examples and drawings, and the outer tubular tube is a cover.
- the electrode operation rod is housed therein, and a conductive rod for transmitting microwaves is housed therein.
- the length of the shaft portion is about 10 to 25 cm, and is not particularly limited as long as it is long enough to connect between the operator's operation site and the electrode portion that is a contact site between the tissue to be operated and the like.
- the medical treatment instrument of the present invention is preferably formed using a non-magnetic metal as a whole, such as phosphor bronze. Thereby, for example, it can be suitably used even in a magnetic field environment by an MR system.
- the electrode operating rod means an operating shaft that connects the swinging motion performed by the operating unit as a back-and-forth motion to the electrode unit, particularly the movable first electrode, and is generally a wire.
- the operation force from the operation unit is transmitted to the electrode unit.
- the electrode operation rod is guided outside by a guide tube.
- the guide tube is preferably made of a non-magnetic member [for example, a coil such as Teflon (registered trademark) or phosphor bronze].
- opening and closing is a specific example of the operation, it is also referred to as an electrode opening and closing rod.
- the conductive rod transmits the microwave from the microwave transmission source to the electrode portion through the connector portion.
- the conductive rod is preferably composed of a coaxial cable, and the outside thereof is covered with a shield holder.
- the shield holder is preferably made of a non-conductive member [eg, polyether, ether, ketone resin, etc.].
- the coaxial cable includes a conductive center electrode made of phosphor bronze, an insulating shield tube made of, for example, Teflon (registered trademark) covering the center electrode, and a conductive earth pipe made of, for example, brass.
- a microwave of 900 to 6000 MHz can be used equally.
- the feature of the present invention is that the shaft portion and the electrode portion are connected by a bent holder, that is, the shaft portion (also referred to as the outer tube) is in the vicinity of the tip electrode, that is, the neck portion is bent.
- the length of the bent holder is about 3 to 6 cm, and the angle is 1 to 90 degrees, preferably 5 to 85 degrees, and more preferably 10 to 80 degrees.
- the bent holder may be a bent portion integrally with the shaft portion, and may mean a bent portion near the tip electrode, that is, the neck portion in the same outer tube. However, from the viewpoint of simplicity of manufacture, it may be prepared separately from the shaft portion and may be installed in the vicinity of the tip electrode, that is, in the neck portion as an individual bent holder.
- the bent holder has a cylindrical shape, and includes a conductive rod covered with a shield holder therein and an electrode operating rod installed in the guide tube.
- the bent holder preferably has a divided structure in which divided parts are integrated, and more preferably has a half to four divided structure in which 2 to 4 divided parts are integrated. A split structure is more preferable.
- it is integral with the shaft part it is preferable to have a divided structure in which divided parts are integrated including the outer tube of the shaft part, and a half to four divided structure in which 2 to 4 divided parts are integrated. It is more preferable that the halved structure is more preferable. More generally, it is sufficient that only the bent holder is of this structure.
- the conductive rod covered with the shield holder and the electrode operation rod installed in the guide tube, which are installed in the bent holder, have a curvature of approximately the same angle in the same direction as that of the bent holder.
- the shield holder that covers the conductive rods installed in the bent holder is made of the same material as described above, but preferably has a divided structure in which divided parts are integrated. It is more preferable that the structure is a divided halved to quadrant structure, and a halved structure is more preferable.
- This shield holder is a non-conductive member.
- An electrode operation rod in the bent holder (in the following example, indicated as an electrode opening / closing rod in the drawings) is installed in a guide tube, and at least a bent portion of the guide tube has a flexible cylindrical structure. is there.
- the flexible tubular structure is a flexible tubular body or a close-contact coil.
- the electrode operating rod functions as a pulling wire using a flexible cylindrical structure as a guide.
- the medical treatment tool of the present invention can freely rotate the bent holder so that the operator can easily perform the upper, lower, and lateral surgical procedures. For this rotation, it is possible to provide a rotator for rotating the shaft and rotating the bent holder at the connecting portion of the shaft portion and the operation portion.
- FIG. 1 shows an overall configuration of a medical treatment instrument 1 according to a first embodiment of the present invention.
- FIG. 2B is a cross-sectional view taken along the line XX in FIG.
- FIG. 3B is a YY cross section of FIG.
- 11 is a main body.
- a connector 12 is disposed at the rear end of the main body 11.
- a microwave of 2.45 GHz band is supplied via the connector 12.
- An outer tube 13 is led out from the main body 11.
- the conductive rod 16 that transmits the microwave power from the connector 12 and the movement of the movable handle 14 as shown in FIG.
- An electrode opening / closing rod 17 is housed which is transmitted to the blade electrode 18 to open and close the electrode.
- a movable handle 14 is swingably attached to the lower side of the main body 11.
- a slider crank mechanism for converting the swinging movement of the movable handle 14 into the back-and-forth movement of the electrode opening / closing rod 17 is provided in the main body 11.
- the main body 11 is provided with a rotator 15. By rotating the rotator 15, the outer tube 13 fixed to the rotator 15 can be rotated to a desired angle.
- an upper blade electrode (first electrode) 18 and a lower blade electrode (second electrode) 19 are provided at the tip of the outer tube 13 so as to face each other.
- the lower blade electrode 19 is fixed.
- the upper blade electrode 18 is rotatably provided.
- the electrode opening / closing rod 17 in the outer tube 13 is moved back and forth, whereby the upper blade electrode 18 is rotated.
- a microwave from the connector 12 is supplied to the lower blade electrode 19 via the conductive rod 16.
- the movable handle 14 When no force is applied to the movable handle 14, the movable handle 14 is urged in the direction of arrow A1 in FIG. At this time, as shown in FIG. 4A, the upper blade electrode 18 is separated from the lower blade electrode 19, and the blade edge is open.
- the movable handle 14 When the movable handle 14 is swung in the direction of the arrow A2, the upper blade electrode 18 and the lower blade electrode 19 approach each other as shown in FIG.
- the movable handle 14 is further swung in the direction of the arrow A2, as shown in FIG. 4C, the upper blade electrode 18 approaches the lower blade electrode 19 from the blade edge, and the blade edge is closed.
- the medical treatment tool 1 is used as follows. First, the upper blade electrode 18 and the lower blade electrode 19 are brought into an open state as shown in FIG. 4A, and the tips of the upper blade electrode 18 and the lower blade electrode 19 are guided to the target biological tissue. When the tips of the upper blade electrode 18 and the lower blade electrode 19 are guided to the biological tissue to be treated, the movable handle 14 is swung in the direction of the arrow A2. When the movable handle 14 is swung in the direction of arrow A2, the upper blade electrode 18 is closed, and the living tissue can be held between the upper blade electrode 18 and the lower blade electrode 19.
- the upper blade electrode 18 and the lower blade are held according to the volume of the living tissue as in the state of the cutting edge shown in FIG.
- a microwave power source is supplied between the electrodes 19.
- dielectric heat is generated in the living tissue due to the near electromagnetic field generated by the microwave power formed between the upper blade electrode 18 and the lower blade electrode 19.
- the living tissue is solidified by this dielectric heat.
- the movable handle 14 is further gripped from the state of the coagulation treatment, and the movable handle 14 is further swung in the arrow A2 direction.
- the upper blade electrode 18 and the lower blade electrode 19 are closed as shown in FIG. 4C, and the living tissue is cut by shearing.
- the medical treatment instrument 1 by operating the movable handle 14, as shown in FIGS. There are a sandwiched state and a blade edge closed state according to the volume of the tissue. Accordingly, the living tissue is sandwiched between the upper blade electrode 18 and the lower blade electrode 19, the upper blade electrode 18 and the lower blade electrode 19 are in a state of being parallel to the blade edge, and the microwave is interposed between the upper blade electrode 18 and the lower blade electrode 19. Is applied to solidify the living tissue, the upper blade electrode 18 and the lower blade electrode 19 are closed, and the living tissue can be cut by shearing.
- the entire structure such as phosphor bronze is formed using a nonmagnetic metal.
- a nonmagnetic metal for example, it can be suitably used even in a magnetic field environment by an MR system.
- the conductive rod 16 includes, for example, a conductor center electrode 30 made of phosphor bronze, a shield tube 31 made of an insulator (for example, Teflon (registered trademark)) covering the center electrode, and a conductor pipe made of, for example, brass (earth pipe). ) 32.
- a conductor center electrode 30 made of phosphor bronze
- a shield tube 31 made of an insulator (for example, Teflon (registered trademark)) covering the center electrode
- a conductor pipe made of, for example, brass (earth pipe).
- a shield holder 33 made of, for example, polyether, ether, or ketone resin is attached to the tip of the conductive rod 16, and the lower blade electrode 19 is fixed to the shield holder 33.
- the central electrode 30 of the conductive rod 16 and the lower blade electrode 19 are electrically connected.
- a holder 34 is attached to the outer periphery of the shield holder 33.
- the holder 34 is conductive and is made of phosphor bronze, for example.
- the ground pipe 32 of the conductive rod 16 and the holder 34 are electrically connected by a stopper 35.
- the shield holder 33 is divided into two shield holder parts 33 (a) and 33 (b), and the lower blade electrode 19 is connected to the conductive rod 16 with solder (solder).
- 33 (a) and 33 (b) are bonded together.
- the shield cap 36 is also bonded at the same time.
- 9A and 9B show the shapes of the shield holder 33 divided into two parts 33 (a) and 33 (b).
- 33 (a) is provided with a semicircular groove 41 and is fitted so that the semicircular ridge 42 provided in 33 (b) is matched.
- the shield holder 33 in the fitted state is covered with a holder 34 divided into two holder parts 34 (a) and 34 (b), and is fixed by the outer tube 13.
- the fixing method is performed by, for example, laser welding.
- 10A and 10B show the shapes of the holder parts 34 (a) and 34 (b) divided into two parts of the holder 34.
- 34 (a) and 34 (b) are provided with a semicircular groove 43 (a) and a semicircular groove (b), respectively, in which the shield holder 33 is accommodated.
- 34 (a) and 34 (b) are provided with semicircular grooves 44 (a) and 44 (b), respectively, in which the electrode opening / closing rod 17 is accommodated.
- FIG. 7 shows a fixed cap 37 fixed to the holder 34.
- the fixing cap 37 is provided with a hole 37 (a) having a notch, and is fixed to the holder 34 with screws 38 (two). Moreover, the hole 37 (a) is made so that the neck part 33 (c) of the shield holder 33 may be fitted, and it becomes more firmly fixed.
- the upper blade electrode 18 is pivotally supported by a pivot shaft 39 pivotally supported by the holder 33.
- the end of the electrode opening / closing rod 17 is connected to the upper blade electrode 18 at the mounting position 40.
- the electrode opening / closing rod 17 includes a pulling rod 45, a flexible pulling wire 46, a connecting tube 47 connecting them, and a flexible guide tube 48 for protecting the pulling wire 46 from frictional breakage. It consists of a link pin 49 that rotates the blade electrode 18.
- the flexible pulling wire 46 is made of a rope of a nonmagnetic metal wire such as phosphor bronze.
- the guide tube 48 is made of a nonmagnetic coil such as Teflon (registered trademark) or phosphor bronze.
- microwaves can be applied by being sandwiched between the upper blade electrode 18 and the lower blade electrode 19 in accordance with the volume of the living tissue from the blade edge open state. Thereafter, after the application of the microwave is cut, the living tissue can be cut from the blade edge by setting the upper blade electrode 18 and the lower blade electrode 19 in the blade edge closed state.
- the upper blade electrode 18 and the lower blade electrode 19 are coated with an anti-adhesion coating such as Teflon (registered trademark), gold plating, etc., and are continuously coagulated and cut without adhering to the living tissue after coagulation. Can be processed.
- an anti-adhesion coating such as Teflon (registered trademark), gold plating, etc.
- the main body 11 is covered with a resin main body cover 50.
- the main body cover 50 is divided into two parts 50a and 50b.
- 50a and 50b are screwed by screws 60a, 60b, 60c, 60d, 60e and 60f.
- FIG. 12 a part of the main body 11 functions as a fixed handle 14-2.
- the outer tube 13 passes through the rotor 15, and the end of the outer tube 13 is fixed to the cylindrical mounting member 70.
- the rotator 15 is configured not to rotate easily against the surgeon's intention due to the frictional resistance of the rings 75a and 75b made of rubber (silicon, fluororubber, etc.).
- the outer tube 13 is rotatably supported in the main body 11 by the rotator 15 and the cylindrical mounting member 70.
- a cylindrical member 71 is slidably attached to the outer periphery of the outer tube 13.
- a partition wall 72 is provided on the cover 50, and a coil spring 73 is disposed between the cover 50 and the cylindrical member 71. The coil spring 73 urges the cylindrical member 71 in the arrow E1 direction.
- FIG. 15 shows the internal configuration of the outer tube 13 inside the main body 11.
- the slide rod 76 has a hole larger than the diameter of the conductive rod 16 and can slide without being connected to the conductive rod 16.
- the slide rod 76 connects the traction rod 45, and the traction rod 45 also moves simultaneously with the movement of the slide rod 76 in the directions F1 and F2.
- the upper blade electrode 18 can be rotated to hold the living tissue.
- slide pins 77a and 77b are fixed to the slide rod 76 (see FIG. 16). As shown in FIG. 17, the slide pins 77 a and 77 b move while being guided by a long hole 78 provided in the outer tube 13.
- FIG. 18 shows an external view and a sectional view of the movable handle 14.
- FIG. 19 shows the configuration of the movable handle 14, the cylindrical member 71, and the cylindrical member 79.
- the cylindrical member 71 is connected to the slide rod 76 via the slide pin 77b.
- the cylindrical member 79 is connected to the slide bar 76 via the slide pin 77a.
- the movable handle 14 is pivotally supported by the rotation fulcrum 74 (refer FIG. 14).
- a switch 80 is a switch for applying a microwave, and gives a coagulation command to the microwave transmitter through the signal line 81 by this switch operation.
- the slide pins 77a and 77b are guided to the elongated hole 78 through the cylindrical members 71 and 79, and the slide rod 76 (see FIG. 15) is moved to E1- Operates in the direction of E2. Further, by the operation of the slide rod 76, the upper blade electrode 18 rotates and the biological tissue is sandwiched between the lower blade electrode 19, the switch 80 is pressed, the microwave is applied to coagulate the biological tissue, and the movable handle The living tissue is cut by swinging 14.
- the present invention is not limited to the above-described actual form, and various modifications and applications are possible without departing from the gist of the present invention.
- a medical treatment tool used in MRI it can be applied with a non-magnetic metal
- a medical treatment tool used with X-rays it can be applied with a magnetic metal.
- Electrode part 11 Main body part 12: Connector 13: Outer tube (also called shaft part) 14: Movable handle 14-2: Fixed handle 15: Rotor 16: Conductive rod 17: Electrode opening / closing (operation) rod 18: Upper blade electrode (first electrode) 19: Lower blade electrode (second electrode) 30: Center electrode 31: Insulating shield tube 32: Conductor ground pipe 33: Shield holder 33 (a) (b): Shield holder part 33 (c): Neck 34 of the shield holder 33: Bent holder 35: Clasp 36: Shield cap 37: Fixed cap 37 (a): Notched hole 38: Screw 39: Rotating shaft 40: Mounting position 41: Semi-circular groove 42: Semi-circular rods 43 (a), 43 (b ): Semicircular groove 44 (a), 44 (b): Semicircular groove 45: Tow rod 46: Tow wire 47: Connection tube 48: Guide tube 49: Link pin 50: Resin body cover 50 (a), 50 (b): body cover parts 60a, 60b
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
Description
よって、本発明は、実際の臨床における医療用処置において、術者の視覚の不便を解消できる医療用処置具を提供することを目的とする。
1.第1の電極と該第1の電極に対向して配置された第2の電極を含む把持機能、凝固機能及び切断機能を担持する電極部と、前記第1の電極と前記第2の電極の把持機能、凝固機能及び切断機能の駆動を実行する操作部と、電極部と操作部を繋ぐシャフト部と、操作部の一端に設置されたマイクロ波電源と接続可能なコネクター部と、マイクロ波を電極部に供給するシャフト部内に設置した導電ロッドと、操作部からの操作力を電極部に伝えるシャフト部内に設置した電極操作ロッドを含み、前記第1の電極と前記第2の電極との間で生体組織を挟持し、前記電極にマイクロ波を供給して生体組織を凝固させ、前記第1の電極と前記第2の電極による相互作用により生体組織を切断する作用をもつ、マイクロ波医療用処置具であって、前記シャフト部と前記電極部が、屈曲したホルダによって接続されることを特徴とする医療用処置具。
2.前記屈曲したホルダが、分割部品を一体化した分割構造である前項1の医療用処置具。
3.前記シャフト部は、外側に外筒管を有し、その内部に導電ロッドと操作部からの操作力を電極部に伝える電極操作ロッドを含み、前記屈曲したホルダは、前記シャフト部と連続して、外筒管、導電ロッド及び操作部からの操作力を電極部に伝える電極操作ロッドを含む前項1又は2の医療用処置具。
4.前記屈曲したホルダにおいて、前記外筒管、前記導電ロッド、及び前記操作部からの操作力を電極部に伝える電極操作ロッドの各々が、屈曲したホルダの弯曲と、同方向に略同角度の弯曲度をもつ前項1~3のいずれか一に記載の医療用処置具。
5.前記屈曲したホルダ内の導電ロッドがシールドホルダで包まれており、該シールドホルダが、分割部品を一体化した分割構造である前項1~4のいずれか一に記載の医療用処置具。
6.前記導電ロッドのシールドホルダが、非伝導性部材である前項5の医療用処置具。
7.前記屈曲したホルダ内の操作部からの操作力を電極部に伝える電極操作ロッドが、ガイドチューブ内に設置され、該ガイドチューブの少なくとも弯曲部が、可撓性ある筒状構造である前項1~6のいずれか一に記載の医療用処置具。
8.前記可撓性ある筒状構造が、可撓性ある筒状体又は密着コイルである前項7の医療用処置具。
9.前記電極操作ロッドが、可撓性ある筒状構造をガイドとする牽引ワイヤーである前項1~8のいずれか一に記載の医療用処置具。
10.前記屈曲したホルダの弯曲度が、1度~90度の間である前項1~9のいずれか一に記載の医療用処置具。
11.前記第1の電極と前記第2の電極が各々回動自在の操作刃と固定刃からなり開閉機能を有する又は両電極が相対変位可能な滑り機能を有する前項1~10のいずれか一に記載の医療用処置具。
12.該シャフト部と操作部の接続部にシャフトを回転させ、屈曲したホルダを回転させるための回動子が設けられた前項1~11のいずれか一に記載の医療用処置具。
13.前記第1の電極と第2の電極は、凝固組織が付着し難いコーティングが施されていることを特徴とする前項1~12のいずれか一に記載の医療処置具。
14.前記導電ロッドが、同軸ケーブルである前項1~13のいずれか一に記載の医療用処置具。
15.電極操作ロッドの前後の動きにより回動する第1の電極と、固定の第2の電極とを備え、第1の電極が回動軸を中心に回動する医療用処置具であって、第1の電極の回動により第2の電極との間で生体組織を挟持し、凝固させ、さらなる第1の電極の回動により生体組織を剪断する作用を有する前項1~14のいずれか一に記載の医療用処置具。
本発明の医療用処置具は、この操作部と電極部を繋ぐ部位として筒管状のシャフト部を有し、シャフト部は以下の実施例、図面では外筒管とも表示し、外筒管はカバーの役割を担い、その中に電極操作ロッドが収納されると共に、マイクロ波を伝送するための導電ロッドが収納される。シャフト部の長さは、略10~25cm程度であり、術者の操作部位と手術対象組織等との接触部位である電極部との間を繋ぐに十分な長さであれば特に限定されない。本発明の医療用処置具は、リン青銅等、全体構成を非磁性金属を使用して形成されていることが好ましい。これにより、例えばMRシステムによる磁場環境下においても、好適に使用することができる。
本発明において、導電ロッドは、マイクロ波発信源からコネクター部を通じて電極部にマイクロ波を伝送する。導電ロッドは、好適には同軸ケーブルで構成され、その外側は、シールドホルダで覆われている。シールドホルダは、非伝導性部材〔例えば、ポリエーテル・エーテル・ケトン樹脂等〕で構成されていることが好ましい。
同軸ケーブルは、例えばリン青銅からなる導電体の中心電極と、中心電極を覆う例えばテフロン(登録商標)からなる絶縁体のシールドチューブと、例えば真鍮からなる導電体のアースパイプとからなる。本発明でマイクロ波は、900~6000MHzのものが同等に利用可能である。
屈曲したホルダは、筒状の形状からなり、その中にシールドホルダで覆われた導電ロッドとガイドチューブ内に設置された電極操作ロッドを含む。各定義は、上記と同じである。ここで、屈曲したホルダは、分割部品を一体化した分割構造であることが好適であり、2~4分割の部品を一体化した半割~4分割構造であることがより好適であり、半割構造がさらに好適である。シャフト部と一体である場合には、シャフト部の外筒管を含め分割部品を一体化した分割構造であることが好適であり、2~4分割の部品を一体化した半割~4分割構造であることがより好適であり、半割構造がさらに好適である。より一般的には、屈曲したホルダのみがこの構造であることで十分である。
屈曲したホルダ内に設置される、シールドホルダで覆われた導電ロッドとガイドチューブ内に設置された電極操作ロッドは、屈曲したホルダの弯曲と同方向に略同角度の弯曲度をもつ。
屈曲したホルダ内に設置される導電ロッドを覆うシールドホルダは、その材質は前記と同一であるが、分割部品を一体化した分割構造であることが好適であり、2~4分割の部品を一体化した半割~4分割構造であることがより好適であり、半割構造がさらに好適である。このシールドホルダは、非伝導性部材である。
屈曲したホルダ内の電極操作ロッド(以下の実施例、図面では電極開閉ロッドと表示)は、ガイドチューブ内に設置されており、このガイドチューブの少なくとも弯曲部が、可撓性ある筒状構造である。好適には、可撓性ある筒状構造は、可撓性ある筒状体又は密着コイルである。電極操作ロッドは、可撓性ある筒状構造をガイドとして牽引ワイヤーとして機能する。
図10(A)、図10(B)にホルダ34の2分割されたホルダー部品34(a)、34(b)の形状を示す。さらに、34(a)、34(b)には、それぞれ、シールドホルダ33が収納される半円溝43(a)、半円溝(b)が設けられている。また、34(a)、34(b)には、それぞれ、電極開閉ロッド17が収納される半円溝44(a)、44(b)が設けられている。
2 :電極部
11:本体部
12:コネクタ
13:外筒管(シャフト部ともいう)
14:可動ハンドル
14-2:固定ハンドル
15:回動子
16:導電ロッド
17:電極開閉(操作)ロッド
18:上刃電極(第1の電極)
19:下刃電極(第2の電極)
30:中心電極
31:絶縁体のシールドチューブ
32:導電体のアースパイプ
33:シールドホルダ
33(a)(b):シールドホルダ部品
33(c):シールドホルダ33の頚部
34:屈曲したホルダ
35:止金
36:シールドキャップ
37:固定キャップ
37(a):切り欠きを有する穴
38:ネジ
39:回動軸
40:取付位置
41:半円溝
42:半円鍔
43(a)、43(b):半円溝
44(a)、44(b):半円溝
45:牽引ロッド
46:牽引ワイヤー
47:接続管
48:ガイドチューブ
49:リンクピン
50:樹脂製の本体カバー
50(a)、50(b):本体カバー部品
60a、60b、60c、60d、60e、60f:ネジ
70:円筒取付部材
71:円筒部材
72:仕切り壁
73:コイルスプリング
74:回動支点
75a、75b:リング
76:スライド棒
77a、77b:スライドピン
78:長穴
79:円筒部材
80:スイッチ
81:信号線
Claims (15)
- 第1の電極と該第1の電極に対向して配置された第2の電極を含む把持機能、凝固機能及び切断機能を担持する電極部と、前記第1の電極と前記第2の電極の把持機能、凝固機能及び切断機能の駆動を実行する操作部と、電極部と操作部を繋ぐシャフト部と、操作部の一端に設置されたマイクロ波電源と接続可能なコネクター部と、マイクロ波を電極部に供給するシャフト部内に設置した導電ロッドと、操作部からの操作力を電極部に伝えるシャフト部内に設置した電極操作ロッドを含み、前記第1の電極と前記第2の電極との間で生体組織を挟持し、前記電極にマイクロ波を供給して生体組織を凝固させ、前記第1の電極と前記第2の電極による相互作用により生体組織を切断する作用をもつ、マイクロ波医療用処置具であって、前記シャフト部と前記電極部が、屈曲したホルダによって接続されることを特徴とする医療用処置具。
- 前記屈曲したホルダが、分割部品を一体化した分割構造である請求項1の医療用処置具。
- 前記シャフト部は、外側に外筒管を有し、その内部に導電ロッドと操作部からの操作力を電極部に伝える電極操作ロッドを含み、前記屈曲したホルダは、前記シャフト部と連続して、外筒管、導電ロッド及び操作部からの操作力を電極部に伝える電極操作ロッドを含む請求項1又は2の医療用処置具。
- 前記屈曲したホルダにおいて、前記外筒管、前記導電ロッド、及び前記操作部からの操作力を電極部に伝える電極操作ロッドの各々が、屈曲したホルダの弯曲と、同方向に略同角度の弯曲度をもつ請求項1~3のいずれか一に記載の医療用処置具。
- 前記屈曲したホルダ内の導電ロッドがシールドホルダで包まれており、該シールドホルダが、分割部品を一体化した分割構造である請求項1~4のいずれか一に記載の医療用処置具。
- 前記導電ロッドのシールドホルダが、非伝導性部材である請求項5の医療用処置具。
- 前記屈曲したホルダ内の操作部からの操作力を電極部に伝える電極操作ロッドが、ガイドチューブ内に設置され、該ガイドチューブの少なくとも弯曲部が、可撓性ある筒状構造である請求項1~6のいずれか一に記載の医療用処置具。
- 前記可撓性ある筒状構造が、可撓性ある筒状体又は密着コイルである請求項7の医療用処置具。
- 前記電極操作ロッドが、可撓性ある筒状構造をガイドとする牽引ワイヤーである請求項1~8のいずれか一に記載の医療用処置具。
- 前記屈曲したホルダの弯曲度が、1度~90度の間である請求項1~9のいずれか一に記載の医療用処置具。
- 前記第1の電極と前記第2の電極が各々回動自在の操作刃と固定刃からなり開閉機能を有する又は両電極が相対変位可能な滑り機能を有する請求項1~10のいずれか一に記載の医療用処置具。
- 該シャフト部と操作部の接続部にシャフトを回転させ、屈曲したホルダを回転させるための回動子が設けられた請求項1~11のいずれか一に記載の医療用処置具。
- 前記第1の電極と第2の電極は、凝固組織が付着し難いコーティングが施されていることを特徴とする請求項1~12のいずれか一に記載の医療処置具。
- 前記導電ロッドが、同軸ケーブルである請求項1~13のいずれか一に記載の医療用処置具。
- 電極操作ロッドの前後の動きにより回動する第1の電極と、固定の第2の電極とを備え、第1の電極が回動軸を中心に回動する医療用処置具であって、第1の電極の回動により第2の電極との間で生体組織を挟持し、凝固させ、さらなる第1の電極の回動により生体組織を剪断する作用を有する請求項1~14のいずれか一に記載の医療用処置具。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/260,563 US9131985B2 (en) | 2009-03-27 | 2010-03-26 | Medical treatment device |
JP2011505894A JP5892593B2 (ja) | 2009-03-27 | 2010-03-26 | 医療用処置具 |
EP10755710.0A EP2412328A4 (en) | 2009-03-27 | 2010-03-26 | MEDICAL TREATMENT DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009080439 | 2009-03-27 | ||
JP2009-080439 | 2009-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010109908A1 true WO2010109908A1 (ja) | 2010-09-30 |
Family
ID=42780605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/002192 WO2010109908A1 (ja) | 2009-03-27 | 2010-03-26 | 医療用処置具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9131985B2 (ja) |
EP (1) | EP2412328A4 (ja) |
JP (1) | JP5892593B2 (ja) |
WO (1) | WO2010109908A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012217855A (ja) * | 2011-04-08 | 2012-11-12 | Vivant Medical Inc | マイクロ波組織解剖および凝固 |
WO2015072529A1 (ja) * | 2013-11-13 | 2015-05-21 | 国立大学法人 滋賀医科大学 | マイクロ波照射器具 |
JPWO2022185488A1 (ja) * | 2021-03-04 | 2022-09-09 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2974682B1 (en) | 2013-03-15 | 2017-08-30 | Gyrus ACMI, Inc. | Combination electrosurgical device |
US20140276796A1 (en) | 2013-03-15 | 2014-09-18 | GYRUS ACMI, INC., d/b/a Olympus Surgical Technologies America | Combination electrosurgical device |
CN105208955B (zh) | 2013-03-15 | 2018-11-06 | 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) | 组合式电外科设备 |
CN105163683B (zh) | 2013-03-15 | 2018-06-15 | 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) | 电外科器械 |
CN105142556B (zh) | 2013-03-15 | 2019-01-08 | 捷锐士阿希迈公司(以奥林巴斯美国外科技术名义) | 偏置手术钳 |
GB201317713D0 (en) | 2013-10-07 | 2013-11-20 | Creo Medical Ltd | Electrosurgical device |
GB2567480A (en) * | 2017-10-13 | 2019-04-17 | Creo Medical Ltd | Electrosurgical resector tool |
US11383373B2 (en) | 2017-11-02 | 2022-07-12 | Gyms Acmi, Inc. | Bias device for biasing a gripping device by biasing working arms apart |
US11298801B2 (en) | 2017-11-02 | 2022-04-12 | Gyrus Acmi, Inc. | Bias device for biasing a gripping device including a central body and shuttles on the working arms |
US10667834B2 (en) | 2017-11-02 | 2020-06-02 | Gyrus Acmi, Inc. | Bias device for biasing a gripping device with a shuttle on a central body |
KR102124015B1 (ko) * | 2018-11-13 | 2020-06-17 | 최인상 | 전기수술기구 |
CN110464434A (zh) * | 2019-07-25 | 2019-11-19 | 兖矿新里程总医院 | 一种宫颈癌手术举宫器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06269460A (ja) * | 1993-01-29 | 1994-09-27 | Smith & Nephew Dyonics Inc | 回転可能な湾曲器具 |
JP2005021658A (ja) | 2003-06-09 | 2005-01-27 | Alfresa Pharma Corp | 医療用処置具及びこれを備えた医療用処置装置 |
JP2005278935A (ja) * | 2004-03-30 | 2005-10-13 | Olympus Corp | 超音波処置装置 |
JP2007038003A (ja) * | 2005-08-01 | 2007-02-15 | Ethicon Endo Surgery Inc | 関節運動シャフトロック機構を備えた外科用器械 |
JP2007282666A (ja) | 2006-04-12 | 2007-11-01 | Saney Seiko Inc | 医療用処置具 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6682501B1 (en) * | 1996-02-23 | 2004-01-27 | Gyrus Ent, L.L.C. | Submucosal tonsillectomy apparatus and method |
AU6948298A (en) * | 1997-04-03 | 1998-10-22 | Cynthia D. Sadler | Hand-held forceps instrument |
US6280441B1 (en) * | 1997-12-15 | 2001-08-28 | Sherwood Services Ag | Apparatus and method for RF lesioning |
US20050222566A1 (en) * | 2001-03-30 | 2005-10-06 | Japan Medical Dynamic Marketing, Inc. | Electromagnetic field surgical device and method |
US20060199999A1 (en) * | 2001-06-29 | 2006-09-07 | Intuitive Surgical Inc. | Cardiac tissue ablation instrument with flexible wrist |
US7004939B2 (en) * | 2002-09-03 | 2006-02-28 | Dale Victor Mackay | Electrosurgical apparatus |
US7270664B2 (en) * | 2002-10-04 | 2007-09-18 | Sherwood Services Ag | Vessel sealing instrument with electrical cutting mechanism |
US7276074B2 (en) * | 2004-01-21 | 2007-10-02 | Medtronic Xomed, Inc. | Angled tissue cutting instrument having variably positionable cutting window, indexing tool for use therewith and method of variably positioning a cutting window of an angled tissue cutting instrument |
US7678117B2 (en) * | 2004-06-07 | 2010-03-16 | Novare Surgical Systems, Inc. | Articulating mechanism with flex-hinged links |
US7785252B2 (en) * | 2004-11-23 | 2010-08-31 | Novare Surgical Systems, Inc. | Articulating sheath for flexible instruments |
US8882766B2 (en) * | 2006-01-24 | 2014-11-11 | Covidien Ag | Method and system for controlling delivery of energy to divide tissue |
JP5100661B2 (ja) * | 2006-11-09 | 2012-12-19 | 国立大学法人滋賀医科大学 | マイクロ波内視鏡鉗子 |
US8257349B2 (en) * | 2008-03-28 | 2012-09-04 | Tyco Healthcare Group Lp | Electrosurgical apparatus with predictive RF source control |
US8465475B2 (en) * | 2008-08-18 | 2013-06-18 | Intuitive Surgical Operations, Inc. | Instrument with multiple articulation locks |
US8469957B2 (en) * | 2008-10-07 | 2013-06-25 | Covidien Lp | Apparatus, system, and method for performing an electrosurgical procedure |
US8679115B2 (en) * | 2009-08-19 | 2014-03-25 | Covidien Lp | Electrical cutting and vessel sealing jaw members |
-
2010
- 2010-03-26 US US13/260,563 patent/US9131985B2/en active Active
- 2010-03-26 JP JP2011505894A patent/JP5892593B2/ja active Active
- 2010-03-26 EP EP10755710.0A patent/EP2412328A4/en not_active Withdrawn
- 2010-03-26 WO PCT/JP2010/002192 patent/WO2010109908A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06269460A (ja) * | 1993-01-29 | 1994-09-27 | Smith & Nephew Dyonics Inc | 回転可能な湾曲器具 |
JP2005021658A (ja) | 2003-06-09 | 2005-01-27 | Alfresa Pharma Corp | 医療用処置具及びこれを備えた医療用処置装置 |
JP2005278935A (ja) * | 2004-03-30 | 2005-10-13 | Olympus Corp | 超音波処置装置 |
JP2007038003A (ja) * | 2005-08-01 | 2007-02-15 | Ethicon Endo Surgery Inc | 関節運動シャフトロック機構を備えた外科用器械 |
JP2007282666A (ja) | 2006-04-12 | 2007-11-01 | Saney Seiko Inc | 医療用処置具 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2412328A4 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012217855A (ja) * | 2011-04-08 | 2012-11-12 | Vivant Medical Inc | マイクロ波組織解剖および凝固 |
WO2015072529A1 (ja) * | 2013-11-13 | 2015-05-21 | 国立大学法人 滋賀医科大学 | マイクロ波照射器具 |
JPWO2015072529A1 (ja) * | 2013-11-13 | 2017-03-16 | 国立大学法人滋賀医科大学 | マイクロ波照射器具 |
JPWO2022185488A1 (ja) * | 2021-03-04 | 2022-09-09 | ||
WO2022185488A1 (ja) * | 2021-03-04 | 2022-09-09 | 日機装株式会社 | 医療用処置具 |
JP7325068B2 (ja) | 2021-03-04 | 2023-08-14 | 日機装株式会社 | 医療用処置具 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2010109908A1 (ja) | 2012-09-27 |
JP5892593B2 (ja) | 2016-03-23 |
US9131985B2 (en) | 2015-09-15 |
EP2412328A4 (en) | 2016-12-28 |
EP2412328A1 (en) | 2012-02-01 |
US20120123409A1 (en) | 2012-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5892593B2 (ja) | 医療用処置具 | |
EP3694435B1 (en) | Electrosurgical resector tool | |
KR101029256B1 (ko) | 의료용 처치구 및 이를 구비한 의료용 처치 장치 | |
EP2341847B1 (en) | Bipolar cautery instrument | |
KR101623806B1 (ko) | 4-케이블 리스트용 백엔드 메커니즘 | |
EP2147650B1 (en) | High-frequency treatment instrument | |
JP6835361B2 (ja) | 電気手術器具 | |
JP5762978B2 (ja) | 医療用処置具 | |
EP2716247B1 (en) | Endoscopic forceps with a slidable coaxial cable | |
JP2020536596A (ja) | 電気外科装置 | |
JP4747277B2 (ja) | 医療用処置具 | |
JP5711882B2 (ja) | 医療用処置具 | |
JP4104314B2 (ja) | 外科手術用処置具 | |
JP2000271128A (ja) | 内視鏡用高周波生検鉗子 | |
JP2010227431A (ja) | 医療用処置具 | |
US20240050152A1 (en) | Medical treatment tool | |
WO2020031994A1 (ja) | 医療用処置具 | |
JP2023549008A (ja) | 電気外科用切除ツール | |
WO2016208384A1 (ja) | 医療用部材、医療機器 | |
CN219516510U (zh) | 外科器械、波导杆组件以及超电混合能量平台 | |
JP2020162998A (ja) | 内視鏡用マイクロ波照射器具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10755710 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2011505894 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2010755710 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010755710 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13260563 Country of ref document: US |