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WO2018150548A1 - 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
WO2018150548A1
WO2018150548A1 PCT/JP2017/005958 JP2017005958W WO2018150548A1 WO 2018150548 A1 WO2018150548 A1 WO 2018150548A1 JP 2017005958 W JP2017005958 W JP 2017005958W WO 2018150548 A1 WO2018150548 A1 WO 2018150548A1
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WO
WIPO (PCT)
Prior art keywords
heat transfer
transfer plate
energy application
reinforcing member
application structure
Prior art date
Application number
PCT/JP2017/005958
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English (en)
Japanese (ja)
Inventor
工藤　貢一
Original Assignee
オリンパス株式会社
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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/JP2017/005958 priority Critical patent/WO2018150548A1/fr
Publication of WO2018150548A1 publication Critical patent/WO2018150548A1/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

Definitions

  • the present invention relates to an energy application structure and a treatment instrument.
  • Patent Document 1 There has been known a treatment instrument that is provided with an energy applying structure that applies energy to a living tissue, and that treats the living tissue (joining (or anastomosis), cutting, etc.) by applying the energy (for example, Patent Document 1). reference).
  • the energy application structure described in Patent Document 1 includes the following flexible substrate, heat transfer plate, and adhesive member.
  • the flexible substrate is a portion that functions as a sheet heater, on one surface of the substrate, where a wiring pattern having a resistance pattern that generates heat when energized and a connection portion that conducts to the resistance pattern and is connected to a lead wire are formed. is there.
  • the heat transfer plate is made of a conductor such as copper.
  • the heat transfer plate is disposed so as to face one surface (resistance pattern) of the flexible substrate, and transfers heat from the resistance pattern to the living tissue (giving thermal energy to the living tissue).
  • the adhesive member is a sheet having good thermal conductivity and insulation.
  • the adhesive member is interposed between the flexible substrate and the heat transfer plate, and bonds and fixes them.
  • the adhesive member has a first region that covers the entire resistance pattern, and a second region that protrudes from the heat transfer plate and covers a part of the connection portion. That is, the adhesive member is responsible for the thermal coupling of the heat transfer plate and the resistance pattern by the first region and prevents the heat transfer plate and the resistance pattern from being short-circuited, and the second region also prevents the heat transfer plate and the connection portion from being short-circuited. To do.
  • FIGS. 10A and 10B are diagrams for explaining a problem in the conventional energy application structure 100.
  • FIGS. 10A and 10B are views of the energy application structure 100 as viewed from the side.
  • reference numeral “110” denotes the above-described heat transfer plate.
  • Reference numeral “120” denotes the flexible substrate described above.
  • Reference numeral “1210” denotes the substrate described above.
  • Reference numeral “1220” is the wiring pattern described above.
  • Reference numeral “130” denotes the adhesive member described above.
  • the left side is described as the “front end side” and the right side is described as the “base end side”.
  • the proximal end side of the adhesive member 130 projects beyond the heat transfer plate 110 to the proximal end side. Further, the base end side of the flexible substrate 120 protrudes to the base end side from the adhesive member 130.
  • the flexible substrate 120 and the adhesive member 130 have flexibility (flexibility).
  • external force from the heat transfer plate 110 side external force downward in FIG. 10A
  • substrate 1210 side with respect to the base end side of the flexible substrate 120 Is assumed to be applied (external force upward in FIG. 10B).
  • the base end side portion of the flexible substrate 120 together with the base end side portion of the adhesive member 130, has a base end side end portion of the heat transfer plate 110 as a fulcrum as shown in FIG. 10A or 10B. It will be bent as Fu1. Therefore, there is a problem that a load is applied to a portion of the adhesive member 130 that faces the end portion on the proximal end side of the heat transfer plate 110.
  • the present invention has been made in view of the above, and an object thereof is to provide an energy application structure and a treatment instrument that can reduce the load on the adhesive member.
  • the energy application structure includes a resistance pattern that generates heat by energization, and a connection portion that conducts to the resistance pattern and is connected to a lead wire.
  • the treatment tool according to the present invention includes the above-described energy application structure.
  • FIG. 1 is a diagram schematically showing a treatment system according to the present embodiment.
  • FIG. 2 is an enlarged view of the distal end portion of the treatment instrument.
  • FIG. 3 is a diagram illustrating a cover member and an energy application structure.
  • FIG. 4 is a diagram illustrating a cover member and an energy application structure.
  • FIG. 5 is a side view of the energy application structure.
  • FIG. 6A is a diagram for explaining the effect of the present embodiment.
  • FIG. 6B is a diagram for explaining the effect of the present embodiment.
  • FIG. 7 is a diagram showing an energy application structure according to Modification 1 of the present embodiment.
  • FIG. 8 is a diagram showing an energy application structure according to the second modification of the present embodiment.
  • FIG. 9 is a diagram showing an energy application structure according to Modification 3 of the present embodiment.
  • FIG. 10A is a diagram illustrating a problem in the conventional energy application structure.
  • FIG. 10B is a diagram illustrating a problem in the conventional energy application structure.
  • FIG. 1 is a diagram schematically showing a treatment system 1 according to the present embodiment.
  • the treatment system 1 treats (joins (or anastomoses) and detaches, etc.) the 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.
  • the treatment tool 2 is, for example, a linear type surgical treatment tool for performing treatment on a living tissue through the abdominal wall.
  • the treatment tool 2 includes a handle 5, a shaft 6, and a grip portion 7.
  • the handle 5 is a part that the surgeon holds by hand.
  • the handle 5 is provided with an operation knob 51 as shown in FIG.
  • the shaft 6 has a substantially cylindrical shape, and one end (right end portion in FIG. 1) is connected to the handle 5.
  • a gripping portion 7 is attached to the other end of the shaft 6 (left end portion in FIG. 1).
  • An opening / closing mechanism (not shown) that opens and closes the first and second jaws 8 and 8 ′ (FIG.
  • FIG. 2 is an enlarged view of the distal end portion of the treatment instrument 2.
  • the gripping part 7 is a part that grips a living tissue and treats the living tissue.
  • the grip portion 7 includes first and second jaws 8 and 8 ′.
  • the first and second jaws 8 and 8 ' are pivotally supported on the other end of the shaft 6 (left end portion in FIGS. 1 and 2) so as to be openable and closable in the direction of the arrow R1 (FIG. 2).
  • the living tissue can be grasped according to the operation.
  • the first and second jaws 8 and 8 ′ are provided with cover members 9 and 9 ′ and energy application structures 10 and 10 ′, respectively.
  • cover members 9 and 9 ' have the same configuration and are different only in that the vertical postures are reversed.
  • energy application structures 10 and 10 ′ have the same configuration and are different only in that the vertical posture is reversed.
  • cover member 9 and the energy provision structure 10 is mainly demonstrated.
  • cover member 9 'and energy provision structure 10' the same code
  • FIG. 3 and 4 are views showing the cover member 9 and the energy applying structure 10.
  • FIG. 3 is a perspective view of the cover member 9 and the energy application structure 10 as viewed from above in FIG.
  • FIG. 4 is an exploded perspective view of FIG.
  • the “tip side” described below is the tip side of the gripping part 7 and means the left side in FIGS. 3 to 5.
  • the “base end side” described below means the shaft 6 side of the gripping portion 7 and the right side in FIGS. 3 to 5.
  • the cover member 9 supports the energy application structure 10 and has a posture in which the energy application structure 10 faces upward with respect to the upper surface of the first jaw 8 disposed on the lower side in FIGS. 1 and 2. It is attached with. That is, the energy application structure 10 is attached in a posture facing the direction of the gripping surface that grips the living tissue between the first and second jaws 8 and 8 ′.
  • the cover member 9 has a long shape having a recess 91 on one plate surface (the plate surface on the upper side in FIG. 4) (from the distal end of the gripping portion 7 toward the proximal end). It is comprised with the plate body of the longitudinal direction (elongate shape extended in the left-right direction in FIG.1 and FIG.2).
  • the recess 91 is located at the center of the cover member 9 in the width direction and extends along the longitudinal direction of the cover member 9. Further, among the side wall portions constituting the recess 91, the side wall portion on the proximal end side is omitted.
  • the energy provision structure 10 is accommodated in the recessed part 91 in the state which one part protruded from the recessed part 91 to the base end side, as shown in FIG. Further, the other plate surface of the cover member 9 in which the concave portion 91 is not formed is attached to the first jaw 8 (FIG. 2).
  • FIG. 5 is a view of the energy application structure 10 as viewed from the side.
  • the energy applying structure 10 generates heat energy under the control of the control device 3.
  • the energy applying structure 10 includes a heat transfer plate 11, a flexible substrate 12, an adhesive member 13, and a reinforcing member (reinforcing plate) 14.
  • the heat transfer plate 11 is a thin plate having a long shape (long shape extending in the longitudinal direction of the grip portion 7) made of a material such as copper, and is attached to the first jaw 8 via the cover member 9.
  • the treatment surface 111 (FIG. 2), which is one plate surface, faces the second jaw 8 ′ side.
  • the heat transfer plate 11 holds the living tissue with the first and second jaws 8 and 8 ′, the treatment surface 111 comes into contact with the living tissue, and heat from the flexible substrate 12 is applied to the living tissue. Transmit (apply thermal energy to living tissue).
  • the flexible substrate 12 generates heat and functions as a sheet heater (resistance heater) that heats the heat transfer plate 11 by the generated heat. That is, the flexible substrate 12 corresponds to the heater according to the present invention.
  • the flexible substrate 12 includes a substrate 121 and a wiring pattern 122.
  • the substrate 121 is a long sheet (long shape extending in the longitudinal direction of the grip portion 7) made of an insulating material such as polyimide, and has flexibility (flexibility).
  • the material of the substrate 121 is not limited to polyimide, and for example, a high heat insulating material such as aluminum nitride, alumina, glass, zirconia, etc. may be adopted.
  • the width dimension of the substrate 121 is set to be substantially the same as the width dimension of the heat transfer plate 11.
  • the length dimension of the substrate 121 (length dimension in the longitudinal direction (left and right direction in FIGS. 4 and 5)) is the same as the length dimension of the heat transfer plate 11 (longitudinal direction (left and right direction in FIGS. 4 and 5). ) Is set to be longer than the length dimension).
  • the wiring pattern 122 is obtained by processing stainless steel (SUS304), which is a conductive material. As shown in FIGS. 3 to 5, a pair of connection parts 1221 and a resistance pattern 1222 (FIGS. 4 and 5) are provided. Prepare. The wiring pattern 122 is bonded to one surface 1211 (FIGS. 3 to 5) of the substrate 121 by thermocompression bonding.
  • the material of the wiring pattern 122 is not limited to stainless steel (SUS304), and other stainless steel materials (for example, No. 400 series) may be used, or conductive materials such as platinum and tungsten may be adopted.
  • the wiring pattern 122 is not limited to a configuration in which the wiring pattern 122 is bonded to one surface 1211 of the substrate 121 by thermocompression bonding, and a configuration in which the one surface 1211 is formed by vapor deposition or the like may be employed.
  • the pair of connection portions 1221 are provided on the base end side of the substrate 121, respectively extend from the base end side toward the tip end side, and extend along the width direction of the substrate 121. So as to face each other. Then, two lead wires C1 (FIGS. 3 to 5) constituting the electric cable C are joined (connected) to the pair of connecting portions 1221, respectively.
  • One end of the resistance pattern 1222 is connected (conducted) to one connecting portion 1221, and extends from the one end along a U-shape following the outer edge shape of the substrate 121 while meandering in a wavy shape, and the other end is connected to the other end
  • the connection portion 1221 is connected (conductive).
  • the resistance pattern 1222 generates heat when a voltage is applied (energized) to the pair of connection parts 1221 by the control device 3 via the two lead wires C1.
  • the adhesive member 13 is interposed between the heat transfer plate 11 and the flexible substrate 12, and a part of the flexible substrate 12 extends from the proximal end of the heat transfer plate 11.
  • the rear surface (surface opposite to the treatment surface 111) of the heat transfer plate 11 and one surface 1211 (surface on the wiring pattern 122 side) of the substrate 121 are bonded and fixed in a state of projecting to the base end side.
  • This adhesive member 13 is a long sheet (long shape extending in the longitudinal direction of the gripping portion 7) having good thermal conductivity and insulation, withstanding high temperatures, and having adhesiveness.
  • a high thermal conductive filler such as alumina, boron nitride, graphite, or aluminum nitride is mixed with a resin such as epoxy or polyurethane.
  • the width dimension of the adhesive member 13 is set to be substantially the same as the width dimension of the substrate 121.
  • the length dimension of the adhesive member 13 (length dimension in the longitudinal direction (left and right direction in FIGS. 4 and 5)) is the same as the length dimension of the heat transfer plate 11 (longitudinal direction (left and right directions in FIGS. 4 and 5). It is set to be longer than the length dimension (direction) and shorter than the length dimension of the substrate 121 (length dimension in the longitudinal direction (left and right direction in FIGS. 4 and 5)).
  • the adhesive member 13 includes a first region Ar1 (FIG. 4) that covers the entire heat transfer plate 11, the entire resistance pattern 1222, and part of the pair of connection portions 1221, and an end portion on the proximal end side of the heat transfer plate 11. And a second region Ar2 (FIGS. 3 and 4) covering the base end side and covering a part of the pair of connection parts 1221.
  • the first region Ar1 may be a region that covers at least the entire resistance pattern 1222. Then, the two lead wires C1 are joined (connected) to portions exposed to the outside (portions not covered with the adhesive member 13) in the pair of connecting portions 1221.
  • the reinforcing member 14 is a long sheet (long shape extending in the longitudinal direction of the grip portion 7) made of a metal material such as aluminum, ceramic such as alumina, or the like. Then, as shown in FIGS. 3 to 5, the reinforcing member 14 is bonded and fixed to the other surface 1212 of the substrate 121 (the surface opposite to the wiring pattern 122).
  • the width dimension of the reinforcing member 14 is set to be substantially the same as the width dimension of the substrate 121.
  • the length dimension of the reinforcing member 14 (length dimension in the longitudinal direction (left and right direction in FIGS. 4 and 5)) is the same as the length dimension of the adhesive member 13 (longitudinal direction (left and right direction in FIGS. 4 and 5). ) And is shorter than the length dimension of the substrate 121 (length dimension in the longitudinal direction (left and right direction in FIGS. 4 and 5)).
  • the reinforcing member 14 is in a state where the end portion on the front end side substantially coincides with the end portion on the front end side in the substrate 121 and the base end side protrudes from the end portion on the base end side in the adhesive member 13 to the base end side.
  • the entire plate surface (the upper plate surface in FIGS. 4 and 5) is bonded and fixed to the other surface 1212.
  • the proximal end portion of the reinforcing member 14 is located at a position shifted toward the distal end side with respect to the contact point CO between the connecting portion 1221 and the lead wire C1, as shown in FIG.
  • the reinforcing member 14 has the heat transfer plate 11 on the other surface 1212 of the substrate 121 as shown in FIG. 5 when the reinforcing member 14 and the flexible substrate 12 are viewed from the side.
  • the second position that sandwiches the boundary position P0 between the first position P1 that is located on the proximal side of the boundary position P0 and the first position P1 with the end on the proximal end side in FIG. It is set so as to come into contact with P2.
  • the first position P ⁇ b> 1 is a position facing the proximal end of the reinforcing member 14.
  • the second position P2 is a position facing the end portion on the distal end side of the reinforcing member 14.
  • a length L1 (FIG.
  • the reinforcing member 14 has a bending rigidity higher than the bending rigidity of the flexible substrate 12 and the adhesive member 13 as a whole.
  • the substrate 121, the wiring pattern 122, and the adhesive member 13 were each configured with the materials, width dimensions, and thickness dimensions shown in Table 1 below. And when comprised in this way, the bending rigidity of the flexible substrate 12 and the adhesive member 13 whole will be about 30 [N * mm ⁇ 2 >].
  • the reinforcing member 14 is composed of the material, width dimension, and thickness dimension shown in Table 1 below. In this case, the bending rigidity of the reinforcing member 14 is about 500 [N ⁇ mm 2 ]. When the material of the reinforcing member 14 is changed from aluminum to alumina, the bending rigidity of the reinforcing member 14 is about 100 [N ⁇ mm 2 ].
  • the foot switch 4 is a part operated by the operator with his / her foot. And according to the said operation to the foot switch 4, on / off of the electricity supply from the control apparatus 3 to the treatment tool 2 (resistance pattern 1222) is switched. Note that the means for switching on and off is not limited to the foot switch 4, and a switch operated by hand or the like may be employed.
  • the control device 3 includes a CPU (Central Processing Unit) and the like, and comprehensively controls the operation of the treatment instrument 2 according to a predetermined control program. More specifically, the control device 3 applies a voltage to the wiring pattern 122 via the electric cable C in response to an operation to the foot switch 4 by the operator (operation to turn on the power), thereby causing the heat transfer plate 11 to move. Heat.
  • CPU Central Processing Unit
  • the energy application structure 10 (10 ′) according to the present embodiment described above has the following effects.
  • 6A and 6B are diagrams for explaining the effect of the present embodiment. Specifically, FIGS. 6A and 6B correspond to FIG.
  • the other surface 1212 of the substrate 121 has a base end side of the base plate side of the heat transfer plate 11 as a boundary position P0.
  • Reinforcing members 14 that abut on the first position P1 located on the side and the second position P2 sandwiching the boundary position P0 between the first position P1 are provided.
  • an external force from the heat transfer plate 11 side an external force downward in FIG.
  • the reinforcing member 14 is joined (adhered and fixed) to the first and second positions P1 and P2 on the other surface 1212.
  • the substrate 121 side is opposite to the above case (the case shown in FIG. 6A) with respect to the proximal end side of the flexible substrate 12. Is assumed to be applied (external force upward in FIG. 6B).
  • the proximal end portion of the flexible substrate 12 is not the proximal end portion of the heat transfer plate 11 but the proximal end portion of the reinforcing member 14 as shown in FIG. 6B.
  • the end portion is bent as a fulcrum Fu2. For this reason, even if it is a case where external force is applied to any direction of the side away from the heat exchanger plate 11, and the heat exchanger plate 11, the edge part of the base end side of the heat exchanger plate 11 in the adhesive member 13 No load is applied to the portion facing the.
  • the reinforcing member 14 is in contact with the entire reinforcing area Ar including the first and second positions P1 and P2 and the boundary position P0, and is joined (adhered and fixed) to the entire reinforcing area Ar. Further, the reinforcing member 14 has a bending rigidity higher than the bending rigidity of the flexible substrate 12 and the adhesive member 13 as a whole.
  • the bending rigidity of the region on the distal end side with respect to the first position P1 is dramatically higher than the bending rigidity of the region on the proximal end side with respect to the first position P1.
  • the end portion on the proximal end side of the reinforcing member 14 can be bent more reliably as the fulcrum Fu2.
  • the reinforcing member 14 projects from the proximal end portion of the adhesive member 13 to the proximal end side. For this reason, in each of the above cases (in each case shown in FIGS. 6A and 6B), the end portion on the proximal end side of the reinforcing member 14 is bent as the fulcrum Fu2, so that the adhesive member 13 is not bent at all. Therefore, the load on the adhesive member 13 can be effectively reduced.
  • the end portion on the proximal end side of the reinforcing member 14 is on the other surface 1212 with respect to the contact point CO between the connection portion 1221 and the lead wire C1. Located at the position shifted to the tip side. For this reason, in each of the above cases (in each case shown in FIGS. 6A and 6B), the end on the proximal end side of the reinforcing member 14 is bent as the fulcrum Fu2, so that the contact point CO does not become a fulcrum of bending. . Therefore, no load is applied to the contact point CO, and the possibility of peeling of the lead wire C1 can be reduced.
  • the length L1 from the boundary position P0 to the first position P1 is longer than the length L2 from the boundary position P0 to the second position P2. short.
  • the base end side of the heat transfer plate 11 may be a fulcrum of bending.
  • the bending fulcrum Fu ⁇ b> 2 can be used as an end portion on the proximal end side of the reinforcing member 14.
  • FIG. 7 is a diagram showing an energy application structure 10A according to Modification 1 of the present embodiment. Specifically, FIG. 7 corresponds to FIG.
  • the reinforcing member 14 is disposed in a state where the base end side protrudes from the base end side end portion of the adhesive member 13 to the base end side.
  • 14 A of reinforcement members which comprise 10 A of energy provision structures which concern on this modification 1 are set shorter than the length dimension of the reinforcement member 14 demonstrated in embodiment mentioned above. Then, as shown in FIG.
  • the reinforcing member 14A has an end on the distal end side of the reinforcing member 14A facing the second position P2, and an end on the proximal end side of the reinforcing member 14A is a boundary position P0. And the first position P1A located between the proximal end of the adhesive member 13 and the first end P1A.
  • FIG. 8 is a diagram illustrating an energy application structure 10B according to Modification 2 of the present embodiment. Specifically, FIG. 8 corresponds to FIG.
  • the proximal end of the reinforcing member 14 is located at a position shifted to the distal end side with respect to the contact CO between the connecting portion 1221 and the lead wire C1. It was.
  • the reinforcing member 14B constituting the energy application structure 10B according to the second modification is set longer than the length dimension of the reinforcing member 14 described in the above-described embodiment. Then, as shown in FIG. 8, the reinforcing member 14B is located at a position where the proximal end portion is shifted to the proximal end side with respect to the contact point CO between the connecting portion 1221 and the lead wire C1.
  • FIG. 9 is a diagram illustrating an energy application structure 10C according to the third modification of the present embodiment. Specifically, FIG. 9 corresponds to FIG.
  • the reinforcing member 14C constituting the energy application structure 10C according to the third modification is set to be shorter than the length dimension of the reinforcing member 14 described in the above-described embodiment.
  • the reinforcing member 14 ⁇ / b> C is positioned at the second position P ⁇ b> 2 ⁇ / b> C where the end portion on the distal end side is located closer to the first position P ⁇ b> 1 than the second position P ⁇ b> 2 described in the embodiment described above. While facing each other, the end portion on the base end side faces the first position P1.
  • the length L1 (FIG. 9) from the boundary position P0 to the first position P1 is shorter than the length L2C (FIG. 9) from the boundary position P0 to the second position P2C.
  • the entire surface of one plate of the reinforcing member 14 (14A to 14C) is bonded and fixed to the other surface 1212.
  • the present invention is not limited to this.
  • the reinforcing member according to the present invention as long as the reinforcing members are in contact with the first and second positions P1 (P1A) and P2 (P2C), respectively, one plate surface does not have to be bonded and fixed to the other surface 1212. Good.
  • the reinforcing member 14 (14A to 14C) may be fixed to the flexible substrate 12 by using other bonding means instead of adhesive fixing.
  • the reinforcing member 14 (14A to 14C) has a flat plate shape.
  • the present invention is not limited to this, and the first and second positions P1 (P1A), As long as it has contact
  • the first and second jaws 8 and 8 ′ are opened and closed as the gripping portion 7.
  • the second jaw 8 ′ cover You may employ
  • the energy applying structures 10 and 10 ' are provided on both the first and second jaws 8 and 8'. You may employ
  • the treatment instrument 2 is configured to apply thermal energy to a living tissue.
  • the present invention is not limited to this, and in addition to thermal energy, high-frequency energy or ultrasonic energy is used. It is also possible to adopt a configuration that further provides

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Abstract

L'objectif de la présente invention est de fournir une structure d'application d'énergie et un outil de traitement qui peuvent réduire la charge sur un élément adhésif. La structure d'application d'énergie (10 (10')) comprend : une plaque de transfert de chaleur (11); un dispositif de chauffage (12) sur lequel un motif de résistance (1222) et une partie de connexion (1221) sont formés; un élément adhésif (13); et un élément de renforcement (14) qui est disposé en regard de l'autre surface (1212) du substrat (121). L'élément adhésif (13) a une première zone destinée à lier le dispositif de chauffage (12) à la plaque de transfert de chaleur (11) et une seconde zone qui fait saillie au-delà de la plaque de transfert de chaleur (11) sur la partie de connexion (1221) et recouvre une partie de la partie de connexion (1221). L'élément de renforcement (14) vient en contact, sur l'autre surface (1212), avec une première position (P1) qui est positionnée davantage vers la partie de connexion (1221) qu'une position limite (P0), la position limite (P0) étant une extrémité de la plaque de transfert de chaleur (11) sur la partie de connexion (1221), et avec une seconde position (P2) qui prend en sandwich la position limite (P0) avec la première position (P1).
PCT/JP2017/005958 2017-02-17 2017-02-17 Structure d'application d'énergie et outil de traitement WO2018150548A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016063376A1 (fr) * 2014-10-22 2016-04-28 オリンパス株式会社 Dispositif de traitement médical
WO2016132548A1 (fr) * 2015-02-20 2016-08-25 オリンパス株式会社 Structure d'application d'énergie thérapeutique et appareil de traitement médical

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016063376A1 (fr) * 2014-10-22 2016-04-28 オリンパス株式会社 Dispositif de traitement médical
WO2016132548A1 (fr) * 2015-02-20 2016-08-25 オリンパス株式会社 Structure d'application d'énergie thérapeutique et appareil de traitement médical

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