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WO2018146730A1 - Structure d'application d'énergie et outil de traitement - Google Patents

Structure d'application d'énergie et outil de traitement Download PDF

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Publication number
WO2018146730A1
WO2018146730A1 PCT/JP2017/004447 JP2017004447W WO2018146730A1 WO 2018146730 A1 WO2018146730 A1 WO 2018146730A1 JP 2017004447 W JP2017004447 W JP 2017004447W WO 2018146730 A1 WO2018146730 A1 WO 2018146730A1
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WO
WIPO (PCT)
Prior art keywords
main surface
energy
electrode
electrically connected
hole
Prior art date
Application number
PCT/JP2017/004447
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English (en)
Japanese (ja)
Inventor
松木　薫
Original Assignee
オリンパス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オリンパス株式会社 filed Critical オリンパス株式会社
Priority to PCT/JP2017/004447 priority Critical patent/WO2018146730A1/fr
Publication of WO2018146730A1 publication Critical patent/WO2018146730A1/fr

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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
    • A61B18/08—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by means of electrically-heated probes
    • 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

Definitions

  • the present invention relates to an energy applying structure and a treatment tool.
  • an energy applying structure for applying energy to a living tissue is provided, and a treatment tool for treating (joining (or anastomizing), severing, etc.) the living tissue by applying the energy is known (for example, patent document) 1).
  • the energy imparting structure (heat generating element) described in Patent Document 1 includes an elongated treatment member (substrate) having an insulating film formed on the surface, and a heat generating pattern formed on the insulating film and generating heat by energization ( And a pair of electrode pads formed on the insulating film and electrically connected to both ends of the heat generation pattern. Further, a pair of lead wires (wires) are respectively joined to the pair of electrode pads. Then, in the energy applying structure, the treatment member is heated by applying a voltage (energization) to the pair of electrode pads via the pair of lead wires and heating the heat generation pattern, and the living tissue in contact with the treatment member To treat.
  • the electrode pad is a portion to which the lead wire is bonded. Therefore, as the electrode pad, it is necessary to secure a size (area) to which the lead wire can be joined. That is, in the case of miniaturizing (shortening) the energy application structure described in Patent Document 1, it is desirable to miniaturize the treatment member and the heat generation pattern while securing the size of the electrode pad so that the lead wire can be joined. It becomes.
  • the electrode pad has a smaller electric resistance value than the heat generation pattern.
  • the lead wire is joined to the electrode pad, heat easily escapes through the lead wire. For this reason, on the treatment member, the area provided with the electrode pad is a relatively low temperature non-heating area.
  • the area provided with the heat generation pattern is a heat generation area having a relatively high temperature.
  • the treatment member concerned is heated uniformly. There is a problem that it is difficult (to achieve high heat uniformity).
  • This invention is made in view of the above, Comprising: It aims at providing the energy provision structure and treatment implement which can implement
  • an energy applying structure comprises: a first main surface which applies heat energy to a living tissue in contact with the living tissue; A treatment member having a second main surface opposed to the main surface, a heat generation pattern formed on the second main surface and generating heat by energization, a third main surface joined to the heat generation pattern, and the second main surface An insulating layer having a fourth main surface opposed to the third main surface, a first electrode formed on the fourth main surface and supplying power to the heat generation pattern, the first electrode, and the first electrode And a first current-carrying member electrically connecting the heat generation pattern.
  • a treatment tool according to the present invention includes the above-described energy application structure.
  • FIG. 1 is a view schematically showing a treatment system according to the first embodiment.
  • FIG. 2 is an enlarged view of the distal end portion of the treatment tool.
  • FIG. 3 is a diagram showing an energy application structure.
  • FIG. 4 is a view showing an energy application structure.
  • FIG. 5 is a diagram showing an energy application structure.
  • FIG. 6 is a view showing an energy application structure according to a modification of the first embodiment.
  • FIG. 7 is a view showing the energy application structure according to the second embodiment.
  • FIG. 8 is a view showing an energy application structure according to the second embodiment.
  • FIG. 9 is a view showing an energy application structure according to the second embodiment.
  • FIG. 10 is a view showing an energy application structure according to the third embodiment.
  • FIG. 11 is a view showing an energy application structure according to the fourth embodiment.
  • FIG. 12 is a view showing an energy application structure according to the fourth embodiment.
  • FIG. 1 is a view schematically showing a treatment system 1 according to the first embodiment.
  • the treatment system 1 treats (joins (or anastomoses) and detaches, etc.) a living tissue by applying thermal energy to the living tissue to be treated.
  • the treatment system 1 includes a treatment tool 2, a control device 3 and a foot switch 4 as shown in FIG.
  • the treatment tool 2 is, for example, a linear surgical treatment tool for treating a living tissue through the abdominal wall.
  • the treatment tool 2 includes a handle 5, a shaft 6, and a grip 7.
  • the handle 5 is a part held by the operator by hand. Further, as shown in FIG. 1, the handle 5 is provided with an operation knob 51.
  • the shaft 6 has a substantially cylindrical shape, and one end (the right end in FIG. 1) is connected to the handle 5. Further, a grip 7 is attached to the other end (left end in FIG. 1) of the shaft 6.
  • An opening / closing mechanism (not shown) for opening and closing the first and second jaws 8 and 8 '(FIG.
  • an electric cable C (FIG. 1) connected to the control device 3 passes from the one end side (right end portion side in FIG. 1) to the other end side (in FIG. 1) It is disposed up to the left end side).
  • FIG. 2 is an enlarged view of the distal end portion of the treatment tool 2.
  • the gripping portion 7 is a portion that grips a living tissue to treat the living tissue.
  • the grip 7 includes first and second jaws 8 and 8 ′.
  • the first and second jaws 8 and 8 ' are pivotally supported by the other end (left end in FIGS. 1 and 2) of the shaft 6 so as to be able to open and close in the direction of arrow R1 (FIG. 2) In accordance with the operation of, it is possible to grasp the living tissue.
  • the energy imparting structures 10 and 10 ' are respectively provided on the first and second jaws 8 and 8'.
  • energy provision structure 10, 10 ' has the same structure, and only the point from which the attitude
  • FIGS. 3 to 5 show the energy transfer structure 10.
  • FIG. 3 is a perspective view of the energy application structure 10 viewed from the lower side in FIG.
  • FIG. 4 is an exploded perspective view of FIG.
  • FIG. 5 is a cross-sectional view of the energy application structure 10 taken along a vertical plane extending in the longitudinal direction of the energy application structure 10 through the first through holes 131.
  • the front end side described below is the front end side of the holding part 7, Comprising: The left side is meant in FIG. 3 thru
  • the energy applying structure 10 generates thermal energy under the control of the controller 3.
  • the energy application structure 10 includes a treatment member 11, a heat generation pattern 12, an insulating layer 13, and a pair of first electrodes 14.
  • the treatment member 11 includes a conductive member 15 and an insulating member 16 as shown in FIGS. 3 to 5.
  • the conductive member 15 is made of, for example, a conductive material such as copper.
  • the conductive member 15 has an elongated shape (from the tip of the gripping portion 7) having a recess 151 on one plate surface (plate surface on the upper side in FIGS. 3 and 4). It is comprised by the plate body of the elongate form (It extends in the left-right direction in FIG. 1, FIG. 2) which goes to a proximal end.
  • the recess 151 is located at the center in the width direction of the conductive member 15 and extends along the longitudinal direction of the conductive member 15.
  • the conductive member 15 supports the respective members 12 to 14 and 16 in the recess 151, and with respect to the upper surface of the first jaw 8 disposed on the lower side in FIGS. 1 and 2,
  • the other plate surface (the lower plate surface in FIGS. 3 and 4) in which the concave portion 151 is not formed is attached in a posture in which it faces upward.
  • the other plate surface corresponds to the first main surface PS1 (FIGS. 2 to 5) according to the present invention.
  • the bottom surface of the recess 151 corresponds to the fifth main surface PS5 (FIGS. 3 to 5) according to the present invention.
  • the first main surface PS1 contacts the living tissue, and heat from the heat generation pattern 12 is transmitted to the living body. Transfer to tissue (apply thermal energy to living tissue).
  • the insulating member 16 is made of, for example, an insulating material such as alumina or aluminum nitride having a high thermal conductivity, and transfers the heat from the heat generation pattern 12 to the conductive member 15. Further, as shown in FIG. 3 or 4, the insulating member 16 is formed of a long plate (a long plate extending in the longitudinal direction of the grip portion 7). The insulating member 16 is bonded to the fifth main surface PS5 via the conductive bonding layer 17 provided on the entire surface of one plate surface (the lower plate surface in FIGS. 3 to 5). .
  • one plate surface corresponds to the sixth main surface PS6 (FIGS. 3 to 5) according to the present invention.
  • the other plate surface corresponds to the second main surface PS2 (FIGS. 3 to 5) according to the present invention.
  • the heat generation pattern 12 is obtained by processing stainless steel (SUS 304), which is a conductive material, and includes a pair of connection portions 121 and a resistance pattern 122 as shown in FIG. 3 or 4. Then, the heat generation pattern 12 is bonded to the second main surface PS2 by thermocompression bonding.
  • the material of the heat generation pattern 12 is not limited to stainless steel (SUS304), and may be another stainless steel material (for example, No. 400 series), or a conductive material such as platinum or tungsten may be adopted. Further, the heat generation pattern 12 is not limited to the structure bonded to the second main surface PS2 by thermocompression bonding, and the structure formed on the second main surface PS2 by vapor deposition or the like may be adopted.
  • the pair of connection parts 121 are provided on the base end side of the second main surface PS2 so as to face each other along the width direction of the second main surface PS2. There is.
  • One end of the resistance pattern 122 is connected (conductive) to one of the connection portions 121, and extends from the one end along a U-shape following the outer edge shape of the second main surface PS2 while meandering in a wave shape.
  • the other end is connected (conductive) to the other connection portion 121.
  • the resistance pattern 122 generates heat when a voltage is applied (energized) to the pair of connection portions 121.
  • the insulating layer 13 is made of, for example, an insulating material such as polyimide having a low thermal conductivity. Further, as shown in FIG. 3 or FIG. 4, the insulating layer 13 has a long shape (long shape extending in the longitudinal direction of the grip portion 7) having the same width dimension and length dimension as the insulating member 16. It is composed of a plate.
  • the insulating layer 13 has one plate surface (the lower plate surface in FIGS. 3 to 5) bonded to the second main surface PS2.
  • one plate surface corresponds to the third main surface PS3 (FIGS. 3 to 5) according to the present invention.
  • the other plate surface the upper plate surface in FIGS.
  • the thermal resistance of the insulating layer 13 is larger than the thermal resistance of the insulating member 16.
  • the insulating layer 13 may be made of the same material as the insulating member 16. In this case, if the thickness dimension of the insulating layer 13 is made larger than the thickness dimension of the insulating member 16, the thermal resistance of the insulating layer 13 can be made larger than the thermal resistance of the insulating member 16.
  • a pair of first through holes 131 (FIG. 3 to FIG. 3) which respectively penetrate between the third main surface PS3 and the fourth main surface PS4 at positions facing the pair of connection portions 121. Figure 5) is formed.
  • the pair of first through holes 131 corresponds to a first current-carrying member according to the present invention, and is electrically connected to the pair of connection portions 121, respectively.
  • the pair of first electrodes 14 are each made of a conductive material such as copper, aluminum, carbon or the like, and as shown in FIG. 3 or FIG. It is a pad electrode of the elongate form (long form extended in the longitudinal direction of the holding part 7) which has the length dimension of (1).
  • the pair of first electrodes 14 is deposited on the fourth main surface PS4 by evaporation or the like so as to respectively cover the pair of first through holes 131 with a predetermined interval in the width direction of the insulating layer 13. It is formed. Further, the pair of first electrodes 14 is electrically connected to the pair of first through holes 131, respectively.
  • the control device 3 applies a voltage to the pair of first electrodes 14 via the two heat generating lead wires C1 to set the pair of first electrodes 14 to the pair of first through holes 131 to the pair.
  • the resistor pattern 122 is energized via the conduction path of the connection portion 121 to the resistor pattern 122.
  • the foot switch 4 is a portion operated by the operator with a foot. And according to the said operation to the foot switch 4, ON and OFF of electricity supply from the control apparatus 3 to the treatment tool 2 (resistance pattern 122) are switched. In addition, as a means to switch the said on and off, you may employ
  • the control device 3 is configured to include a CPU (Central Processing Unit) or the like, and centrally controls the operation of the treatment tool 2 in accordance with a predetermined control program. More specifically, the control device 3 heats the treatment member 11 by applying a voltage to the resistance pattern 122 via the electric cable C in accordance with the operation (operation of power on) of the foot switch 4 by the operator. Do.
  • the heat generation pattern 12 is formed on the second main surface PS2 of the treatment member 11.
  • the pair of first electrodes 14 is formed on the fourth main surface PS4 of the insulating layer 13.
  • the heat generation pattern 12 and the pair of first electrodes 14 are electrically connected by the pair of first through holes 131. That is, the heat generating pattern 12 and the pair of first electrodes 14 are respectively formed in different layers. For this reason, as the pair of first electrodes 14, it is possible to secure a sufficient area for joining the pair of heating lead wires C1 on the fourth main surface PS4.
  • the heat generation pattern 12 is formed over the entire surface of the second main surface PS2 because the region disposed by the pair of first electrodes 14 is not limited in the second main surface PS2. can do. That is, even if the energy application structure 10 (10 ') is downsized (shortened), the entire second main surface PS2 can be uniformly heated. Therefore, according to the energy application structure 10 (10 ') according to the first embodiment, there is an effect that high heat uniformity performance can be realized even when the size is reduced.
  • the thermal resistance of the insulating layer 13 is larger than the thermal resistance of the insulating member 16. Therefore, the heat generated by the heat generation pattern 12 can be transmitted to the insulating member 16 side more. As a result, heat is less likely to escape to the pair of heating lead wires C1 via the pair of electrodes 14, and a higher heat uniformity can be realized.
  • FIG. 6 is a view showing an energy applying structure 10A (10A ′) according to a modification of the first embodiment.
  • the energy application structure 10A according to the present modification corresponds to the energy application structure 10 described in the first embodiment described above, and is provided to the first jaw 8.
  • the energy applying structure 10A ′ according to the present modification corresponds to the energy applying structure 10 ′ described in the first embodiment described above, and is provided in the second jaw 8 ′.
  • energy provision structure 10A, 10A ' has the same structure, and only the point from which the attitude
  • one plate surface (the plate surface on the lower side in FIG. 6) is a surface with which biological tissue comes in contact, and corresponds to the first main surface PS1 according to the present invention . That is, the insulating member 16 according to the present modification corresponds to the treatment member according to the present invention.
  • the energy applying structure according to the second embodiment applies high-frequency energy to the living tissue in addition to the thermal energy to the energy applying structure 10 (10 ') described in the first embodiment described above. Treatment of living tissue by the application of energy.
  • FIG. 7 to FIG. 9 are views showing the energy transfer structure 10B (10B ') according to the second embodiment.
  • FIG. 7 corresponds to FIG.
  • FIG. 8 is a diagram corresponding to FIG.
  • FIG. 9 is a cross-sectional view of the energy application structure 10B (10B ') cut through a vertical plane extending in the longitudinal direction of the energy application structure 10B (10B') through the second through holes 132.
  • the energy application structure 10B according to the second embodiment corresponds to the energy application structure 10 described in the first embodiment, and is provided in the first jaw 8.
  • the energy application structure 10B 'according to the second embodiment corresponds to the energy application structure 10' described in the first embodiment, and is provided in the second jaw 8 '.
  • energy provision structure 10B, 10B ' has the same structure, and only the point from which the attitude
  • the energy transfer structure 10B (10B ') according to the second embodiment is A back electrode 18, a second through hole 132, a third through hole 161, and a second electrode 19 are added.
  • the back electrode 18 is made of a conductive material such as copper, aluminum, carbon or the like, and has an elongated shape (the elongated shape extending in the longitudinal direction of the gripping portion 7) having the same width dimension and length dimension as the insulating member 16
  • the sixth main surface PS6 is formed by vapor deposition or the like. That is, in the second embodiment, the insulating member 16 is bonded to the fifth main surface PS5 via the back electrode 18 and the bonding layer 17 provided on the entire surface of the back electrode 18.
  • the back electrode 18 is electrically connected to the conductive member 15.
  • the back electrode 18 may be made of the same material as the heat generating pattern 12.
  • the second through hole 132 is located between the pair of first through holes 131 in the insulating layer 13 as shown in FIG. 8 or FIG. 9, and the third main surface PS3 and the fourth main surface PS4.
  • Penetrate between The third through hole 161 is located between the pair of connecting portions 121 in the insulating member 16 as shown in FIG. 8 or FIG. 9, and between the second main surface PS2 and the sixth main surface PS6. Penetrate.
  • the third through holes 161 are electrically connected to the back electrode 18 and the second through holes 132, respectively.
  • the back surface electrode 18 and the second and third through holes 132 and 161 described above correspond to the second current-carrying member 20 (FIGS. 7 to 9) according to the present invention.
  • the second electrode 19 is made of a conductive material such as copper, aluminum, carbon or the like, and has a width smaller than that of the insulating layer 13 and a length substantially the same as that of the insulating layer 13 as shown in FIG. It is a pad electrode of the elongate form (long form extended in the longitudinal direction of the holding part 7) which has a dimension.
  • the second electrode 19 is located between the pair of first electrodes 14, and the second through 19 is formed with a predetermined distance from the pair of first electrodes 14 in the width direction of the insulating layer 13.
  • the fourth main surface PS4 is formed by evaporation or the like so as to cover the hole 132. Also, the second electrode 19 is electrically connected to the second through hole 132.
  • the control device 3 supplies high frequency power to each of the second electrodes 19 of the energy application structures 10B and 10B ′ via the two high frequency lead wires C2.
  • high frequency power is supplied to each conductive member 15 through the conduction path of the second electrode 19 to the second through hole 132 to the third through hole 161 to the back surface electrode 18 to the bonding layer 17 to the conductive member 15. Be done. That is, the biological tissue held by each conductive member 15 is given high frequency energy and treated with the high frequency energy.
  • the energy imparting structures 10B and 10B ' according to the second embodiment described above, the following effects can be obtained in addition to the effects similar to those of the first embodiment described above.
  • the second electrode 19 to which the high frequency lead C2 is bonded is formed on the fourth main surface PS4 of the insulating layer 13.
  • a back surface electrode 18 electrically connected to the conductive member 15 is formed on the sixth main surface PS6 of the insulating member 16.
  • second and third through holes 132 and 161 for electrically connecting the second electrode 19 and the back surface electrode 18 are formed in the insulating layer 13 and the insulating member 16 respectively. That is, the high frequency lead wire C2 is not directly joined to the conductive member 15.
  • the third embodiment will be described.
  • the same components as those of the second embodiment described above are denoted by the same reference numerals, and the detailed description thereof is omitted or simplified.
  • the second through hole 132 and the back electrode 18 are electrically connected to the energy application structure 10B (10B ′) described in the second embodiment. Connection structure is different.
  • FIG. 10 is a view showing an energy applying structure 10C (10C ') according to the third embodiment.
  • FIG. 10 is a cross-sectional view corresponding to FIG.
  • the energy application structure 10C according to the third embodiment corresponds to the energy application structure 10B described in the second embodiment described above, and is provided in the first jaw 8.
  • the energy application structure 10C 'according to the third embodiment corresponds to the energy application structure 10B' described in the second embodiment, and is provided in the second jaw 8 '.
  • energy provision structure 10C, 10C ' has the same structure, and only the points from which an up-and-down attitude becomes reverse differ. For this reason, the same code
  • the third through hole 161 is omitted, and instead of the third through hole 161, the current path portion 21 is provided. Has been added.
  • the current path portion 21 is made of a conductive material such as copper, aluminum, carbon or the like. As shown in FIG. 10, the conduction path portion 21 straddles the second main surface PS2 and the side S7 on the proximal side intersecting the second and sixth main surfaces PS6, and the second main The surface PS2 and the side surface S7 are formed by vapor deposition or the like. Then, the conduction path portion 21 is electrically connected to the second through hole 132 and the back surface electrode 18, respectively.
  • the conductive path portion 21 may be made of the same material as the heat generation pattern 12.
  • the back surface electrode 18, the second through hole 132, and the conduction path portion 21 correspond to the second conduction member 20 (FIG. 10) according to the present invention.
  • Embodiment 4 Next, the fourth embodiment will be described.
  • the same components as those in the third embodiment described above are denoted by the same reference numerals, and the detailed description thereof is omitted or simplified.
  • the first and second electrodes 14 and 19 and a pair of heat generation are used.
  • the connection structure between the lead wire C1 and the high frequency lead wire C2 is different.
  • FIG. 11 and FIG. 12 are diagrams showing an energy providing structure 10D (10D ') according to the fourth embodiment.
  • the energy application structure 10D according to the fourth embodiment corresponds to the energy application structure 10C described in the third embodiment described above, and is provided in the first jaw 8.
  • the energy applying structure 10D 'according to the fourth embodiment corresponds to the energy applying structure 10C' described in the third embodiment described above, and is provided in the second jaw 8 '.
  • energy provision structure 10D, 10D ' has the same structure, and only the point from which the attitude
  • the first and second electrodes 14 and 19 generate a pair of heat generation through the flexible substrate 22. It electrically connects to the lead wire C1 and the lead wire C2 for high frequency respectively.
  • the energy imparting structure 10D (10D ') according to the fourth embodiment described above, the following effects can be obtained in addition to the effects similar to those of the third embodiment described above.
  • the first and second electrodes 14 and 19 are electrically connected to the pair of heating lead wires C1 and the high frequency lead wires C2 via the flexible substrate 22. Therefore, the pair of heating lead wires C1 and high frequency lead wires C2 can be positioned on the first main surface PS1 side with respect to the first and second electrodes 14 and 19. Therefore, the thickness of the gripping portion 7 can be reduced.
  • the present invention should not be limited only by the above-described first to fourth embodiments and the modification of the first embodiment.
  • the first and second jaws 8, 8 are provided in the energy imparting structures 10 (10A to 10D) and 10 '(10A' to 10D ') according to the above-described first to fourth embodiments and the modification of the first embodiment.
  • the heat energy may be applied to the living tissue from only one side of the first and second jaws 8 and 8 '.
  • thermal energy or high frequency energy is applied to the living tissue.
  • the present invention is not limited to this, and may be a configuration in which ultrasonic energy is further applied.
  • the first main surface PS1 is flat.
  • the cross-sectional shape of the first main surface PS1 may be configured as a convex shape, a concave shape, a mountain shape, or the like.
  • the sizes of the first and second electrodes 14 and 19 can be such that the heating lead C1 and the high frequency lead C2 can be joined. Other sizes may be used as long as they have an area.
  • the flexible printed circuit 22 described in the fourth embodiment described above is used to generate the lead wire C1 for heating and the lead wire C2 for high frequency , And the second electrodes 14 and 19 may be electrically connected.

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  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne une structure d'application d'énergie (10) comprenant : un élément de traitement (11) qui présente une première surface majeure (PS1) qui applique de l'énergie thermique au tissu corporel par mise en contact du tissu corporel et d'une deuxième surface majeure (PS2) qui fait face à la première surface majeure (PS1) ; un motif de chauffage (12) qui est formé sur la deuxième surface majeure (PS2) et qui génère de la chaleur lorsqu'il reçoit de l'énergie ; une couche isolante (13) qui présente une troisième surface majeure (PS3) qui est liée au motif de chauffage (12) et une quatrième surface majeure (PS4) qui fait face à la troisième surface majeure (PS3) ; une première électrode (14) qui est formée sur la quatrième surface majeure (PS4) et qui fournit de l'énergie au motif de chauffage (12) ; et un premier élément d'application d'énergie (131) qui relie électriquement la première électrode (14) et le motif de chauffage (12).
PCT/JP2017/004447 2017-02-07 2017-02-07 Structure d'application d'énergie et outil de traitement WO2018146730A1 (fr)

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PCT/JP2017/004447 WO2018146730A1 (fr) 2017-02-07 2017-02-07 Structure d'application d'énergie et outil de traitement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/004447 WO2018146730A1 (fr) 2017-02-07 2017-02-07 Structure d'application d'énergie et outil de traitement

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WO2018146730A1 true WO2018146730A1 (fr) 2018-08-16

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4593241B2 (ja) * 2004-11-09 2010-12-08 オリンパス株式会社 発熱素子、およびそれを用いた医療用処置具
JP2014144183A (ja) * 2013-01-30 2014-08-14 Olympus Corp 治療用処置装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4593241B2 (ja) * 2004-11-09 2010-12-08 オリンパス株式会社 発熱素子、およびそれを用いた医療用処置具
JP2014144183A (ja) * 2013-01-30 2014-08-14 Olympus Corp 治療用処置装置

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