WO2014058039A1 - 鉗子装置 - Google Patents
鉗子装置 Download PDFInfo
- Publication number
- WO2014058039A1 WO2014058039A1 PCT/JP2013/077697 JP2013077697W WO2014058039A1 WO 2014058039 A1 WO2014058039 A1 WO 2014058039A1 JP 2013077697 W JP2013077697 W JP 2013077697W WO 2014058039 A1 WO2014058039 A1 WO 2014058039A1
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- WO
- WIPO (PCT)
- Prior art keywords
- unit
- rotation operation
- outer casing
- inner cable
- forceps
- Prior art date
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Classifications
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- 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
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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- 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
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
- A61B2017/2929—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft with a head rotatable about the longitudinal axis of the shaft
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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
- 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
- A61B2018/00577—Ablation
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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
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
Definitions
- the present invention relates to a forceps device. More specifically, the present invention relates to a forceps device that has good operability and has no fear of abrasion at a cable connection portion, and has good durability.
- a forceps device that is inserted into a body via an endoscope has been used to grasp an affected part or the like formed in a body cavity.
- a forceps device has a pair of forceps pieces that can be opened and closed for gripping the affected area.
- the forceps piece transmits the operating force of the operation portion on the proximal side operated by a doctor or the like through an operation wire, opens and closes the forceps piece at the affected portion away from the operating portion, and holds the affected portion.
- the opening and closing direction of the forceps piece may not be appropriate with respect to the position of the affected part. Therefore, a forceps device having a mechanism for rotating a forceps piece is used.
- an endoscope treatment tool disclosed in Patent Document 1 is known as a mechanism for rotating such a forceps piece.
- the endoscope treatment tool 100 includes a treatment unit 101 for performing treatment on tissue in a body cavity, and an operation wire 102 connected to a proximal end of the treatment unit 101.
- An operation unit 103 for operating the treatment unit 101 connected to the operation wire 102 and an insertion unit 104 for connecting the treatment unit 101 and the operation unit 103 are provided.
- the treatment unit 101 includes a pair of forceps members including a first forceps member 101a and a second forceps member 101b that are rotatably connected to each other by a rotation shaft 101c.
- the operation wire 102 is connected to the proximal end side, and is connected to the operation unit 103 through the insertion unit 104.
- the insertion portion 104 includes a coil sheath 104a and an insulating tube 104b that covers the outer periphery of the coil sheath 104a.
- the operation unit 103 includes an elongated main body 105, a rotary operation unit 106 attached to the main body 105 so as to be rotatable around an axis, and a slider 107 attached to the main body 105 so as to be slidable within a certain range in the axial direction. And.
- a finger handle 108 is provided at the base end of the main body 105.
- the rotation operation unit 106 includes a tubular member 106a through which the proximal end side of the insertion unit 104 is inserted, and a dial member 106b attached to the tubular member 106a so as not to be relatively rotatable.
- the endoscope treatment tool 100 of Patent Document 1 having such a configuration has a handle 108 for finger hooking (see FIG. 7) when the treatment portion 101 is rotated, and the dial member 106b is rotated when the dial member 106b is rotated.
- the tubular member 106a integrated with 106b and the coil sheath 104a integrated with the tubular member 106a rotate.
- the distal end side of the coil sheath 104a is integrated with the treatment portion 101 by the cover 109, so that the treatment portion 101 is rotated by the rotation of the coil sheath 104a.
- the operation wire 102 is rotated by the treatment section 101, and the proximal end side of the operation wire 102 can be rotated with respect to the slider 107 in order to release the rotational distortion of the operation wire 102 generated at that time. (Position indicated by reference numeral 107A in FIG. 7).
- the treatment unit 101 having the first and second forceps members 101a and 101b is rotated by the above-described configuration to correspond to the direction of the affected part.
- the dial member 106b that rotates the treatment unit 101 is more patient than the handle 108 that supports the entire endoscope treatment tool 100 when the dial member 106b is rotated. On the side close to. For this reason, when the dial member 106b is rotated, swinging around the proximal end side (position where the handle 108 is provided) of the endoscope treatment tool 100 is likely to occur.
- the slider 107 when the slider 107 is slid to open and close the first and second forceps members 101a and 101b of the treatment unit 101, it is necessary to hold the endoscope treatment tool 100 in order to prevent the entire endoscope treatment tool 100 from swinging. There is. Further, when the slider 107 is slid, if the operation is performed with the rotation operation unit 106 held, the treatment unit 101 whose position has already been adjusted may rotate. Therefore, the slide operation is performed with the rotation operation unit 106 held. And the swing of the endoscope treatment tool 100 cannot be prevented.
- the proximal end side of the operation wire 102 is rotatably connected to the slider 107, and a member that prevents wear of the operation wire 102 at the connection portion with the slider 107. Otherwise, the operation wire 102 is worn due to relative rotation with the slider 107, and there is a problem that the number of parts increases in order to prevent wear.
- an object of the present invention is to provide a forceps device that has good operability when operating the forceps device and has no fear of abrasion of a cable connection portion and has good durability.
- An operation unit including an operation unit, an inner cable provided between the gripping unit and the operation unit and transmitting an operation force from the operation unit to the gripping unit; and an outer casing surrounding the inner cable;
- a forceps comprising: a grip portion for gripping when operating the operation portion; and a tubular resin coat portion extending from the grip portion toward the grip portion side and rotatably housing the outer casing therein
- the inner cable includes a base end side that is non-rotatably attached to the slide portion, a distal end side that is connected to the grip portion, and the outer casing is connected to the proximal end side.
- the tip end side is engaged with the resin coating part so as to be rotatable and axially movable
- the slide part is non-rotatable and slidable with respect to the rotation operation part.
- a high-frequency power terminal is connected to the inner cable or the outer casing, and the inner cable or the outer casing has a conductivity that allows a high-frequency current to flow from the high-frequency power terminal to the grip portion.
- the high-frequency power terminal is connected to the outer casing through the grip portion.
- the high frequency power supply terminal is provided on the rotation operation unit side, and the high frequency power supply terminal is connected to the inner cable or the outer casing.
- the rotation operation unit includes a guide unit that guides the slide unit, and a rotation unit that is provided on a proximal end side with respect to the guide unit and operated to perform the rotation operation.
- the forceps device 1 of the present invention is configured to open and close the grasping portion 2 including the openable and closable forceps pieces 21 and 22 for grasping the tissue in the body cavity and the forceps pieces 21 and 22 of the grasping portion 2.
- an operation unit 3 including a rotation operation unit 32 for rotating the grip unit 2.
- An inner cable 4 that transmits an operation force from the operation unit 3 to the grip unit 2 is provided between the grip unit 2 and the operation unit 3.
- an outer casing 5 surrounding the inner cable 4 is provided around the inner cable 4 and guides the inner cable 4 from the operation unit 3 to the grip unit 2.
- a grip unit 6 for a practitioner such as a doctor to grip when operating the operation unit 3, a grip unit 6 for a practitioner such as a doctor to grip, and extends from the grip unit 6 toward the grip unit 2 side, an inner outer A tubular resin coat portion 7 that rotatably accommodates the casing 5 is provided.
- the term “tip” refers to the side of each member that is far from a practitioner such as a doctor who operates the forceps device 1 (that is, the free end side of the grip portion 2). "Refers to the direction of each member on the side close to a practitioner such as a doctor who operates the forceps device 1 (that is, the free end side of the rotation operation unit 32).
- the forceps device 1 of the present invention is inserted into an endoscope (not shown) and introduced into a body cavity, and grips tissue in the body cavity such as an affected part by remotely operating forceps pieces 21 and 22, for example, A high-frequency current is passed through the forceps pieces 21 and 22 to cauterize and stop the tissue in the body cavity.
- the gripping part 2 is rotated by rotating the operation part 3.
- the orientation of the grip portion 2 can be easily adjusted to an appropriate orientation, and treatments according to the location and orientation of the affected area can be performed.
- the grasping portion 2 provided on the distal end side of the forceps device 1 is a portion for grasping a tissue in the body cavity, and a pair of forceps pieces 21 and 22 are attached to the grasping portion housing 24.
- the forceps pieces 21 and 22 are opened and closed according to the operation of the operation unit 3.
- the forceps pieces 21 and 22 are configured so that the pulling operation of the inner cable 4 is converted into an opening / closing operation by the link mechanism L and opened / closed.
- a link mechanism L since a well-known thing can be used, since it can employ
- the link mechanism L In order to open and close the forceps pieces 21 and 22, it is not necessary to use the link mechanism L, and any other mechanism can be used as long as the operation force of the inner cable 4 can be converted into the opening and closing operations of the forceps pieces 21 and 22. It does not matter. Further, in the embodiment shown in FIGS. 1 and 3, the forceps pieces 21 and 22 are operated by one inner cable 4, but the forceps pieces 21 and 22 are operated by two inner cables. You may be made to do.
- the operation unit 3 that operates the grip unit 2 includes a rotation operation unit 32 that is rotated by a practitioner such as a doctor, and a slide unit 31 that operates the inner cable 4.
- the rotation operation unit 32 is a part to which a rotation operation is applied when the practitioner rotates the grip unit 2.
- the rotation operation unit 32 shown in FIG. 1 is provided on the base end side of the rotation operation unit main body 32a having an elongated and substantially cylindrical shape, a guide unit 32c for guiding the slide unit 31, and the guide unit 32c, and is used for rotation operation. And a rotating part 32b that is operated.
- the guide portion 32 c has a length in the axial direction of the main body 32 a and is shown as a through slit provided in the rotation operation portion main body 32 a.
- the rotation part 32b is shown as a ring-shaped member, the shape is not limited.
- the slide portion 31 is attached to the rotation operation portion 32 in a non-rotatable and slidable manner, for example, such that a convex portion provided inside is slidably fitted to the guide portion.
- the slide portion 31 has a bobbin shape having flange portions 31a and 31b so that it can be easily operated, and is configured to reciprocate between the distal end side and the proximal end side of the guide portion 32c in accordance with the operation of the practitioner. Has been.
- the shape of the rotation operation unit 32 and the slide unit 31 is not limited to the shape shown in FIG. 1 as long as it can be operated by the practitioner, and can be various shapes. Further, the part (rotating part 32b) of the practitioner for performing the rotating operation may be the position of the rotating part 32b shown as the ring-shaped member shown in FIG. 1, or the position of the rotating operation part main body 32a. (That is, when rotating with the rotation operation unit main body 32a, the position of the reference numeral 32a in FIG. 1 becomes the rotation unit).
- the forceps device 1 of the present invention has a grip portion 6, a rotation operation portion 32 is rotatably connected to the grip portion 6, and the grip portion 6 is provided on the base end side.
- the grip part 6 is a part that is gripped when the operator operates the rotation operation part 32.
- the grip portion 6 has an insertion hole 6a for inserting the inner cable 4 and the outer casing 5, and the outer casing 5 accommodating the inner cable 4 can be rotated in the insertion hole 6a.
- the connection between the rotation operation unit 32 and the grip unit 6 is engaged and connected so that the rotation operation unit 32 does not move in the axial direction with respect to the grip unit 6.
- a disk-shaped cavity 32d is formed in the rotation operation part main body 32a of the rotation operation part 32, and the disk-shaped protrusion 6b of the grip part 6 is engaged with the disk-shaped cavity 32d. By making it, it can connect so that rotation is possible.
- the connection between the rotation operation unit 32 and the grip unit 6 is not limited to the structure shown in FIG. 2, and other structures may be used as long as the rotation operation unit 32 can rotate with respect to the grip unit 6. .
- the grip portion 6 is provided with a high-frequency power terminal 8.
- the high frequency power supply terminal 8 is provided in an insertion port 6 c provided in the grip portion 6.
- the high frequency power supply terminal 8 is provided in the grip portion 6 in FIGS. 1 and 2, but may be provided in the rotation operation portion 32 as described later.
- the high frequency power supply terminal 8 is connected to the inner cable 4 or the outer casing 5, and the inner cable 4 or the outer casing 5 has a conductivity that allows a high frequency current to flow from the high frequency power supply terminal 8 to the gripping section 2.
- the high frequency power supply terminal 8 is connected to a high frequency power supply (not shown) via a cord. Since the configuration for allowing the inner cable 4 or the outer casing 5 to have electrical conductivity is known, the description of the structure is omitted.
- an insulating resin coat portion 7 is attached to the distal end side of the grip portion 6, and is attached to the tissue in the body cavity other than the affected portion. High-frequency current is prevented from flowing.
- the resin coat portion 7 has flexibility and is configured to be able to move smoothly in the body cavity.
- the inner cable 4 has a proximal end attached to the slide portion 31 so as not to rotate, and a distal end connected to the grip portion 2. Therefore, the inner cable 4 is operated by sliding the slide portion 31, and the forceps pieces 21 and 22 of the grip portion 2 are opened and closed.
- the inner cable 4 is integrally attached to the slide portion 31 by bonding or other known fixing means so that the inner cable 4 does not rotate around the axis with respect to the slide portion 31. It is configured.
- the outer casing 5 is attached to the base end side so as not to rotate with respect to the rotation operation portion 32, and the tip end side is engaged with the resin coat portion 7 so as to be rotatable and not movable in the axial direction.
- the inner cable 4 is slidably accommodated in the outer casing 5, and the operating force of the inner cable 4 can be transmitted to the grip portion 2 side even in a body cavity having a curved portion.
- the outer casing 5 is integrally attached to the rotation operation unit 32 by bonding or other known fixing means, and is configured so that the outer casing 5 does not rotate around the axis with respect to the rotation operation unit 32. Yes.
- the outer casing 5 is not fixed to the grip portion 6 and is configured to be rotatable within the grip portion 6. Further, as shown in FIG. 3, engagement is performed by an engagement portion 71 provided on the distal end side of the resin coat portion 7 and protruding toward the inner peripheral side, and a step portion 51 provided on the distal end side of the outer casing 5. ing.
- the engagement between the outer casing 5 and the resin coat portion 7 is such that the outer casing 5 can rotate in the resin coat portion 7 and the outer casing 5 cannot move in the axial direction with respect to the resin coat portion 7. Any structure may be used.
- tip part of the outer casing 5 is being fixed to the holding part housing 24 of the holding part 2, as FIG. 3 shows.
- the grip part housing 24 and the resin coat part 7 are configured to be rotatable with respect to each other.
- the inner cable 4 and the outer casing 5 are rotated around the axis by rotating the rotation operation unit 32.
- the grip portion 2 rotates, and the orientation of the forceps pieces 21 and 22 in the body cavity can be adjusted. Since the inner cable 4 and the outer casing 5 rotate together due to the rotation of the rotation operation unit 32, no relative rotation occurs between the inner cable 4 and the outer casing 5. Therefore, the frictional resistance in the rotational direction generated between the inner cable 4 and the outer casing 5 is not added, and the rotation of the inner cable 4 and the outer casing 5 is synchronized, so that the grip portion 2 can be operated accurately.
- the high frequency power supply terminal 8 is provided on the rotation operation unit 32 side, and the high frequency power supply terminal 8 is connected to the inner cable 4.
- the inner cable 4 moves in the axial direction with respect to the high-frequency power supply terminal 8 by the operation of the slide portion 31. Can do.
- the high frequency power supply terminal 8 is provided on the rotation operation unit 32 side, and the high frequency power supply terminal 8 is connected to the outer casing 5.
- the embodiment shown in FIG. 1 the high frequency power supply terminal 8 is provided on the rotation operation unit 32 side, and the high frequency power supply terminal 8 is connected to the outer casing 5.
- the high frequency power supply terminal 8 penetrates the grip portion 6 and is connected to the outer casing 5.
- the grip unit 6 does not rotate, so the high frequency power supply terminal 8 does not rotate around the axis. Therefore, the cord connecting the high frequency power supply terminal 8 and the high frequency power supply is not entangled by rotation or the like, so that the practitioner is easy to operate.
- the position of the high-frequency power supply terminal 8 does not change from the initial position where the forceps device 1 is inserted into the endoscope (the high-frequency power supply terminal 8 facing upward at the initial position without changing the position in the rotation direction) It doesn't turn down when you connect the cords, and it doesn't look down). Therefore, the high frequency power supply terminal 8 can be maintained at a position that is always easy to operate when the practitioner connects the cord.
- the outer casing 5 rotates relative to the high frequency power supply terminal 8
- a mechanism that maintains electrical conductivity when rotated relative to the contact type high frequency power supply terminal 8 or the like can be used.
- the practitioner operates the slide portion 31 to close the forceps pieces 21 and 22 of the grasping portion 2 and inserts them into an endoscope (not shown) until the affected portion in the body cavity is located. Move.
- the grip part 6 When the grip part 2 moves to the position of the affected part, the grip part 6 is gripped and the rotation operation part 32 is operated while confirming with an endoscope, and the orientation of the grip part 2 is changed.
- the grip part 6 is in a position close to the patient's body, and the rotation operation part 32 to which force is applied is closer to the practitioner side than the grip part 6.
- the rotational operation part 32 and the grip part 6 are in the opposite positional relationship to the present invention, that is, the grip part 6 is on the proximal side (the operator's hand side), and the rotational operation part 32 is on the distal side (the patient's body
- the rotation is performed by the operation of the rotation operation unit 32 on the distal end side with the operator's hand side as an axis, and the swing is transmitted to the patient's body and endoscope. End up.
- the grip portion 6 on the side close to the patient's body is firmly gripped, force is applied to the rotation operation portion 32, and the grip portion is applied to the rotation operation portion 32 to which the operation force is applied.
- the rotation of the grip portion 2 is performed, for example, by rotating the rotation portion 32b of the rotation operation portion 32.
- the slide unit 31 that is non-rotatably attached to the rotation operation unit 32 also rotates.
- the outer casing 5 that is non-rotatably attached to the rotation operation unit 32 and the inner cable 4 that is non-rotatably attached to the slide unit 31 are rotated. It rotates together with the part 32 and the slide part 31 together.
- the grip portion 2 to which the outer casing 5 and the inner cable 4 are connected rotates on the distal end side of the forceps device 1.
- the inner cable 4 is fixed without relative rotation with respect to the slide portion 31 and the grip portion 2 on both the distal end side and the proximal end side, so that friction due to relative rotation does not occur.
- the inner cable 4 is not worn.
- the grip part 6 can be gripped with the left hand and the rotation operation part 32 can be rotated with the right hand, and the slide part 31 is provided in the rotation operation part 32 and is provided in a range that can be reached with one hand.
- the slide part 31 can be operated with the right hand as it is. Further, since the grip portion 6 is gripped on the side close to the patient's body not only during the rotation operation but also during the slide operation, it is possible to prevent swinging due to the slide operation. Therefore, the operation of the forceps device 1 is very easy, and there is no burden on the patient.
- a high frequency power source is connected to the high frequency power supply terminal 8 through a cord, and then a high frequency current is passed through the forceps pieces 21 and 22 to cause the affected part to be cauterized. Is done.
- the grip unit 6 is provided with the high frequency power supply terminal 8, even when the grip unit 2 is rotated, the position of the high frequency power supply terminal 8 does not change from the initial position. Therefore, since the high frequency power supply terminal 8 can be maintained at a position where the practitioner can easily connect the cord, the practitioner can easily operate.
- the forceps device 1 of the present invention has good operability when a practitioner such as a doctor operates the forceps device 1, and the connection portion of the inner cable 4 provided in the forceps device 1 may be worn. There is no burden on patients.
Abstract
Description
2 把持部
21、22 鉗子片
23 回転軸
24 把持部ハウジング
3 操作部
31 スライド部
31a、31b フランジ部
32 回転操作部
32a 回転操作部本体
32b 回転部
32c ガイド部
32d 空洞
4 インナーケーブル
5 アウターケーシング
51 段部
6 グリップ部
6a 挿通孔
6b 突出部
6c 差込口
7 樹脂コート部
71 係合部
8 高周波電源端子
L リンク機構
Claims (5)
- 体腔内組織を把持する開閉可能な鉗子片を備えた把持部と、
前記把持部の鉗子片を開閉操作するためのスライド部および前記把持部を回転操作するための回転操作部を備えた操作部と、
前記把持部と前記操作部との間に設けられ、前記操作部からの操作力を前記把持部に伝達するインナーケーブルと、
前記インナーケーブルを囲繞するアウターケーシングと、
前記操作部の操作時に握持するためのグリップ部と、
前記グリップ部から前記把持部側に向かって延び、内部に前記アウターケーシングを回転可能に収容する管状の樹脂コート部と
を備えた鉗子装置であって、
前記インナーケーブルは、基端側が前記スライド部に回転不能に取り付けられ、先端側が前記把持部に連結され、前記アウターケーシングは、基端側が前記回転操作部に対して回転不能に取り付けられ、先端側が前記樹脂コート部に対して回転可能かつ軸方向移動不能に係合され、
前記スライド部が前記回転操作部に対して回転不能かつスライド自在に取り付けられ、
前記スライド部をスライドさせることにより前記把持部の鉗子片を開閉し、
前記回転操作部を回転させることにより、前記インナーケーブルおよび前記アウターケーシングが軸線回りに回転して前記把持部が回転し、
前記回転操作部が、前記グリップ部に対して回転可能に接続され、かつ、前記グリップ部の基端側に設けられることを特徴とする鉗子装置。 - 前記インナーケーブルまたはアウターケーシングに高周波電源端子が接続され、前記インナーケーブルまたはアウターケーシングが前記高周波電源端子より前記把持部へ高周波電流を通電可能な通電性を有することを特徴とする請求項1記載の鉗子装置。
- 前記高周波電源端子が、前記グリップ部を貫通して前記アウターケーシングに接続される請求項2記載の鉗子装置。
- 前記高周波電源端子が、前記回転操作部側に設けられ、前記インナーケーブルまたはアウターケーシングに高周波電源端子が接続された請求項2記載の鉗子装置。
- 前記回転操作部が、前記スライド部をガイドするガイド部と、前記ガイド部よりも基端側に設けられ、回転操作をするために操作される回転部とを備えることを特徴とする請求項1~4のいずれかに記載の鉗子装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/430,747 US20150230812A1 (en) | 2012-10-12 | 2013-10-11 | Forceps device |
DE112013004978.3T DE112013004978T5 (de) | 2012-10-12 | 2013-10-11 | Pinzettenvorrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2012-226552 | 2012-10-12 | ||
JP2012226552A JP6110098B2 (ja) | 2012-10-12 | 2012-10-12 | 鉗子装置 |
Publications (1)
Publication Number | Publication Date |
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WO2014058039A1 true WO2014058039A1 (ja) | 2014-04-17 |
Family
ID=50477501
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PCT/JP2013/077697 WO2014058039A1 (ja) | 2012-10-12 | 2013-10-11 | 鉗子装置 |
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US (1) | US20150230812A1 (ja) |
JP (1) | JP6110098B2 (ja) |
DE (1) | DE112013004978T5 (ja) |
WO (1) | WO2014058039A1 (ja) |
Citations (6)
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JPH09507149A (ja) * | 1994-01-05 | 1997-07-22 | シンバイオシス・コーポレーション | 回転可能なuリンクを備える可撓性の顕微外科手術用器具 |
JP2008005965A (ja) * | 2006-06-28 | 2008-01-17 | Olympus Medical Systems Corp | 内視鏡用処置具 |
JP2009034388A (ja) * | 2007-08-02 | 2009-02-19 | Olympus Medical Systems Corp | 内視鏡用処置具の操作部構造 |
JP2009142622A (ja) * | 2007-12-14 | 2009-07-02 | River Seiko:Kk | 内視鏡用高周波処置具の操作部 |
WO2010106714A1 (ja) * | 2009-03-18 | 2010-09-23 | オリンパスメディカルシステムズ株式会社 | 内視鏡用処置具 |
JP2012016610A (ja) * | 2011-09-21 | 2012-01-26 | Olympus Medical Systems Corp | 高周波処置具 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US5810876A (en) * | 1995-10-03 | 1998-09-22 | Akos Biomedical, Inc. | Flexible forceps device |
JP3634655B2 (ja) * | 1999-02-09 | 2005-03-30 | ペンタックス株式会社 | 内視鏡用生検鉗子 |
US6527753B2 (en) * | 2000-02-29 | 2003-03-04 | Olympus Optical Co., Ltd. | Endoscopic treatment system |
JP4880251B2 (ja) * | 2005-06-21 | 2012-02-22 | オリンパスメディカルシステムズ株式会社 | 高周波処置具 |
JP4497379B2 (ja) * | 2006-08-23 | 2010-07-07 | 朝日インテック株式会社 | 医療用処置具 |
EP1955657B1 (en) * | 2007-02-08 | 2011-01-12 | Olympus Medical Systems Corp. | Treatment tool for endoscope |
-
2012
- 2012-10-12 JP JP2012226552A patent/JP6110098B2/ja active Active
-
2013
- 2013-10-11 WO PCT/JP2013/077697 patent/WO2014058039A1/ja active Application Filing
- 2013-10-11 US US14/430,747 patent/US20150230812A1/en not_active Abandoned
- 2013-10-11 DE DE112013004978.3T patent/DE112013004978T5/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09507149A (ja) * | 1994-01-05 | 1997-07-22 | シンバイオシス・コーポレーション | 回転可能なuリンクを備える可撓性の顕微外科手術用器具 |
JP2008005965A (ja) * | 2006-06-28 | 2008-01-17 | Olympus Medical Systems Corp | 内視鏡用処置具 |
JP2009034388A (ja) * | 2007-08-02 | 2009-02-19 | Olympus Medical Systems Corp | 内視鏡用処置具の操作部構造 |
JP2009142622A (ja) * | 2007-12-14 | 2009-07-02 | River Seiko:Kk | 内視鏡用高周波処置具の操作部 |
WO2010106714A1 (ja) * | 2009-03-18 | 2010-09-23 | オリンパスメディカルシステムズ株式会社 | 内視鏡用処置具 |
JP2012016610A (ja) * | 2011-09-21 | 2012-01-26 | Olympus Medical Systems Corp | 高周波処置具 |
Also Published As
Publication number | Publication date |
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DE112013004978T5 (de) | 2015-07-16 |
JP6110098B2 (ja) | 2017-04-05 |
US20150230812A1 (en) | 2015-08-20 |
JP2014076227A (ja) | 2014-05-01 |
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