WO2014156286A1 - 処置具交換装置及び医療システム - Google Patents
処置具交換装置及び医療システム Download PDFInfo
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- WO2014156286A1 WO2014156286A1 PCT/JP2014/052068 JP2014052068W WO2014156286A1 WO 2014156286 A1 WO2014156286 A1 WO 2014156286A1 JP 2014052068 W JP2014052068 W JP 2014052068W WO 2014156286 A1 WO2014156286 A1 WO 2014156286A1
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- Prior art keywords
- treatment
- treatment instrument
- channel
- unit
- treatment tool
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00133—Drive units for endoscopic tools inserted through or with the endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00147—Holding or positioning arrangements
- A61B1/0016—Holding or positioning arrangements using motor drive units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/0125—Endoscope within endoscope
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
- A61B1/018—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B34/37—Master-slave robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2901—Details of shaft
- A61B2017/2906—Multiple forceps
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B2034/301—Surgical robots for introducing or steering flexible instruments inserted into the body, e.g. catheters or endoscopes
Definitions
- the present invention relates to a treatment instrument replacement apparatus and a medical system.
- This application claims priority based on US Patent Application No. 61 / 806,128 provisionally filed in the United States on March 28, 2013, the contents of which are incorporated herein by reference.
- Patent Document 1 discloses a medical system including a plurality of treatment tools.
- the present invention has been made in view of such problems, and provides a treatment instrument replacement apparatus and a medical system that can significantly reduce the time for exchanging a plurality of treatment instruments. Objective.
- a treatment instrument replacement apparatus is a treatment instrument replacement apparatus that switches and holds a plurality of treatment instruments that perform treatment on a subject to be treated, and the plurality of treatment instruments are inserted into the treatment instrument replacement apparatus.
- a control unit that controls a protruding amount of the treatment instrument in a state from the treatment instrument channel.
- the insertion unit includes a switching unit that changes an insertion path of the treatment instrument to be inserted.
- the switching unit includes a communication channel that communicates the plurality of treatment instrument channels, and a plurality of the treatment instrument channels.
- a door may be provided that closes at least one and guides the treatment instrument to at least one of the remaining treatment instrument channels that are not closed.
- the switching unit includes a communication channel that communicates the plurality of treatment instrument channels, and a plurality of the treatment instrument channels.
- a door that closes at least one and guides the treatment tool to at least one of the remaining treatment tool channels that are not closed; and a path length adjustment unit that adjusts the path length of the treatment tool channel. You may have.
- the treatment instrument replacement device of the first aspect a manipulator that operates the treatment instrument replacement apparatus, and an operation input that instructs the operation of the treatment instrument replacement apparatus and the manipulator are provided. And a master input unit for performing.
- each treatment instrument can be changed by simply retracting each treatment instrument and then driving the switching unit and then advancing each treatment instrument. That is, it is not necessary to completely remove each treatment instrument from each treatment instrument channel. Therefore, it is possible to greatly reduce the time for exchanging each treatment instrument.
- 1 is an overall view of a medical system according to a first embodiment of the present invention. It is an external view of the insertion part of the medical system of 1st Embodiment of this invention. It is a block diagram of the medical system. It is a cross-sectional schematic diagram of the insertion part in the treatment tool replacement
- FIG. 1 is an overall view of a medical system having a treatment instrument replacement apparatus according to a first embodiment of the present invention.
- the medical system 10 having the treatment instrument replacement apparatus 100 includes a master input unit 11 and a slave manipulator (manipulator) 12.
- the master input unit 11 includes a plurality of master arms 13 for performing operation input, and a display unit 14 for displaying the acquired video.
- the slave manipulator 12 has a slave arm 15.
- the treatment instrument replacement apparatus 100 includes an insertion unit 16, driving units 42 and 43, a gripping unit (operation unit) 20, and a control unit 17.
- the insertion portion 16 has flexibility, and a plurality of treatment instrument channels 26 and 27 are formed in the insertion portion 16 and a plurality of treatment instruments 29 and 31 are inserted to define an insertion path of the treatment instruments 29 and 31.
- the drive units 42 and 43 advance each of the plurality of treatment tools 29 and 31 inserted into the treatment tool channels 26 and 27 in the treatment tool channels 26 and 27 and move each of the plurality of treatment tools 29 and 31 to the treatment tool. Retract in channels 26 and 27.
- the gripper 20 operates by operating a plurality of treatment tools 29 and 31.
- the control unit 17 controls the amount of protrusion of the treatment tools 29 and 31 from the treatment tool channels 26 and 27 in a state of protruding from the distal ends of the treatment tool channels 26 and 27 among the plurality of treatment tools 29 and 31.
- the insertion part 16 has the switching parts 105 and 107 which change the insertion path
- the medical system 10 remotely controls the slave arm 15 and the insertion unit 16 so as to follow the operation of the master arm 13 by the operator (operator) Op.
- An operation command via the master arm 13 is transmitted to a master control unit 18 included in the control unit 17, appropriately converted as necessary, and then input to a manipulator control unit 19. Thereafter, the manipulator control unit 19 operates the slave arm 15 and the insertion unit 16 by sending an operation signal to the slave manipulator 12.
- the master input unit 11 displays an image acquired by the observation member (see FIG. 2) 34 on the display unit 14.
- Each master arm 13 has a known configuration capable of multi-axis operation, and includes a grasping portion 20 as an operation portion that is grasped by the operator Op and issues an operation command on the distal end side close to the operator Op.
- the master input unit 11 is provided with a foot switch 21 that functions as a mode input unit for selecting and inputting the mode of the insertion unit 16.
- the configuration of the mode input unit is not limited to the foot switch 21 and may be, for example, a button provided on the grip unit 20 or a touch panel displayed on the display unit 14, and the specific configuration is not particularly limited. These may be combined as appropriate.
- the slave manipulator 12 is installed in the operating table 1 on which the patient P is placed or in the vicinity of the operating table 1.
- the slave arm 15 includes a plurality of multi-degree-of-freedom joints and can perform multi-axis operation. Each multi-degree-of-freedom joint is individually driven by a power unit (not shown).
- a power unit for example, a motor (servo motor) having a servo mechanism including an incremental encoder, a speed reducer, or the like can be used.
- the insertion portion 16 to be inserted into the patient P's body is attached to the distal end portion of the slave arm 15.
- FIG. 2 is an external view of the insertion portion 16 of the medical system 10.
- the insertion portion 16 includes a flexible portion 22, a bending portion 23, a right arm 24, and a left arm 25.
- the soft part 22 is long and flexible.
- the bending portion 23 has a known structure in which a plurality of node rings and bending pieces are arranged.
- the bending portion 23 has two axes orthogonal to the axis of the insertion portion 16 by advancing and retracting an operation member (not shown) such as a wire connected to the most distal node ring or the like with respect to the axial direction of the insertion portion 16. Can be curved in the direction.
- Each arm 24, 25 is attached to the distal end portion of the bending portion 23.
- the insertion portion 16 is attached to the slave arm 15 so as to be rotatable about its own axis.
- An operation member (not shown) for rotating the insertion portion 16 and an operation member for operating the bending portion 23 are drawn from the proximal end side of the insertion portion 16 and are respectively fixed to a pulley or the like (not shown).
- the shaft of each pulley is connected to a drive shaft (not shown) provided on the slave arm 15.
- Each drive shaft is provided with a drive mechanism (not shown) having the same configuration as that of the power unit described above, and the drive mechanism can rotate the drive shaft to perform the bending operation and the rotation operation of the bending portion 23. .
- the floor surface side of the slave arm 15 in the slave manipulator 12 is referred to as a proximal end side, a proximal end portion, and a proximal end, and the side away from the floor surface is referred to as a distal end side, a distal end portion, and a distal end.
- Each arm 24, 25 is attached to the tip of the bending portion 23.
- Each arm 24, 25 has a bending structure similar to that of the bending portion 23, and can be bent in a biaxial direction perpendicular to the axis of each arm 24, 25.
- Each arm 24, 25 is formed in a tubular shape having a lumen.
- the lumen of the right arm 24 communicates with the lumen of the right treatment instrument channel 26 provided in the insertion portion 16.
- the lumen of the left arm 25 communicates with the lumen of the left treatment instrument channel 27 provided in the insertion portion 16.
- the arm operation member for bending the arms 24 and 25 is connected to the arm drive shaft provided in the slave arm 15 in the same manner as the operation member of the bending portion 23.
- the arm operation member can bend each arm 24, 25 by an arm drive mechanism.
- a long sheath portion 28 having flexibility for performing a treatment and a right treatment instrument 29 provided at the distal end portion of the sheath portion 28 are inserted.
- a long sheath portion 30 having flexibility for performing a treatment and a right treatment instrument 31 provided at the distal end portion of the sheath portion 30 are inserted.
- a pair of different treatment tools corresponding to various procedures are prepared as the treatment tools 29 and 31, and are used by appropriately replacing them according to the procedure.
- the treatment tools 29 and 31 are connected to the insertion portion 16 from the right treatment tool port (see FIG. 1) 32 and the left treatment tool port (see FIG. 1) 33 provided at the proximal end of the insertion portion 16 on the slave arm 15 side. Inserted in each treatment instrument channel 26, 27.
- the treatment tools 29 and 31 protrude from the distal end openings of the arms 24 and 25 through the treatment tool channels 26 and 27 and the arms 24 and 25.
- a treatment instrument operation member such as a wire is attached to each treatment instrument 29, 31.
- the treatment instrument operating member drives the treatment instruments 29 and 30 by moving forward and backward with respect to the sheath portions 28 and 30.
- This treatment instrument operating member is connected to a treatment instrument drive shaft provided on the slave arm 15 in the same manner as the operation member and arm operation member of the bending portion 23, and each treatment instrument 29, 31 can be driven.
- each treatment tool 29 and 31 can advance and retreat and rotate with respect to the bending portion 23 and each arm 24 and 25.
- the length of projection of each treatment tool 29, 31 from the distal end opening of each arm 24, 25 can be adjusted.
- each treatment tool 29, 31 can be adjusted to a state suitable for the procedure.
- the operation members for advancing / retracting and rotating the treatment tools 29 and 31 are also connected to the drive shaft and the drive mechanism respectively provided in the slave arm 15 in the same manner as the above-described operation members.
- an observation member 34 that acquires an image in front of the insertion portion 16 protrudes.
- the observation member 34 is inserted into an observation member channel (not shown) provided in the insertion portion 16, and can advance and retreat with respect to the insertion portion 16.
- the observation member 34 has a bending portion 35 on the distal end side and can be bent.
- various known endoscopes can be suitably used.
- the operation member for performing various operations of the observation member 34 is also connected to the slave arm 15 and can be operated via the master input unit 11, similarly to the insertion unit 16.
- FIG. 3 is a block diagram of the medical system 10.
- the master control unit 18 includes a mode management unit 36 connected to the foot switch 21, and a calculation unit (control unit) 37 connected to the master arm 13 and the mode management unit 36. .
- An operation input related to the mode of the insertion unit 16 via the foot switch 21 is sent to the mode management unit 36, and a signal indicating the selected mode is sent from the mode management unit 36 to the calculation unit 37.
- the calculation unit 37 Based on the operation input from the master arm 13 and the signal received from the mode management unit 36, the calculation unit 37 generates a signal for operating each unit of the slave manipulator 12 and sends it to the manipulator control unit 19. Control the operation of each part.
- the manipulator control unit 19 is connected to a bending unit driving unit 39 that drives the bending unit 23, a right arm driving unit 40 that drives the right arm 24, and a left arm driving unit 41 that drives the left arm 25.
- the manipulator control unit 19 is connected to a right treatment instrument drive unit 42 that drives the right treatment instrument 29, a left treatment instrument drive unit 43 that drives the left treatment instrument 31, and an observation member drive unit 44 that drives the observation member 34.
- Detection means such as an encoder for detecting the displacement amount of the operation member of each connected part is attached to the drive shaft of each drive part 39, 40, 41, 42, 43, 44.
- a signal indicating the amount of displacement is sent from each drive unit to the manipulator control unit 19, and various operation amounts such as a bending amount and a protruding amount of each unit are recognized.
- the manipulator control unit 19 generates a drive signal based on these operation amounts and the signal received from the calculation unit 37, and sends it to each drive unit.
- the insertion portion 16 and each portion inserted through the insertion portion 16 operate.
- the observation member 34 is connected to the image controller 45.
- the video of the surgical field acquired by the observation member 34 is sent to the display unit 14 via the image controller 45, and the video is displayed on the display unit 14.
- the medical system 10 includes a treatment instrument replacement switch 101 that constitutes a part of the treatment instrument replacement apparatus 100.
- the treatment instrument replacement switch 101 is connected to the mode management unit 36.
- the treatment instrument replacement switch 101 is preferably provided at a position where the hand of the operator Op can easily reach.
- FIG. 4 is a schematic cross-sectional view of the insertion portion 16 in the treatment instrument replacement apparatus 100.
- FIG. 5 is an enlarged cross-sectional view of a main part of the insertion portion 16 of the treatment instrument replacement apparatus 100.
- the treatment instrument replacement apparatus 100 includes a treatment instrument replacement section 102 in the soft section 22 near the proximal end of the bending section 23 in the insertion section 16.
- the right treatment instrument channel 26 is branched into two. One of the branches is in communication with the right arm 24. The other branched portion joins and communicates with the left treatment instrument channel 27 through the first communication channel 103 that is bent at an acute angle with respect to the axial direction toward the right arm 24 of the right treatment instrument channel 26. Similarly, the left treatment instrument channel 27 branches into two, and one of the branches is in communication with the left arm 25. The other branched portion joins and communicates with the right treatment instrument channel 26 through the second communication channel 104 bent at an acute angle with respect to the axial direction toward the left arm 25 of the left treatment instrument channel 27.
- the treatment instrument replacement apparatus 100 includes a first switching unit (switching unit) 105 at a connection portion of the first communication channel 103 in the right treatment instrument channel 26.
- the first switching unit 105 includes a first door (door) 106.
- the treatment instrument replacement apparatus 100 includes a second switching unit 107 at a connection portion of the second communication channel 104 in the left treatment instrument channel 27.
- the second switching unit (switching unit) 107 has a second door (door) 108.
- the first door 106 closes the right treatment instrument channel 26 of the right treatment instrument channel 26 and the left treatment instrument channel 27, and guides the treatment instruments 29 and 31 to the left treatment instrument channel 27 that is not closed.
- the second door 108 closes the left treatment instrument channel 27 of the left treatment instrument channel 26 and the left treatment instrument channel 27, and guides the treatment instruments 29 and 31 to the right treatment instrument channel 28 that is not closed.
- the treatment instrument replacement apparatus 100 can switch the first door 106 between the first position A1 and the second position A2.
- the first door 106 is at the first position A1
- the right treatment instrument port 32 is blocked from the left arm 25, and the right treatment instrument port 32 is connected to the right arm 24 in communication.
- the first door 106 is in the second position A2
- the right treatment instrument port 32 is blocked from the right arm 24 and the right treatment instrument port 32 is connected to the left arm 25 through the first communication channel 103. Connect to the inside.
- the treatment instrument replacement apparatus 100 can switch the second door 108 between the first position B1 and the second position B2.
- the left treatment instrument port 33 is blocked from the right arm 24, and the left treatment instrument port 33 is connected to the left arm 25 in communication.
- the second door 107 is in the second position B2
- the left treatment instrument port 33 is blocked from the left arm 25, and the left treatment instrument port 33 is connected to the right arm 24 through the second communication channel 104. Connect to the inside.
- the treatment instrument replacement apparatus 100 allows the right treatment instrument 29 inserted from the right treatment instrument port 32 to be inserted into the right arm 24, or to be switched between right and left and inserted into the left arm 25. Can be selected. Similarly, the treatment instrument replacement apparatus 100 determines whether the left treatment instrument 31 inserted from the left treatment instrument port 33 is inserted into the left arm 25 or switched between right and left to be inserted into the right arm 24. You can choose.
- the doors 106 and 108 of the switching mechanisms 105 and 107 are controlled by an operation member such as a wire (not shown). Wires for controlling the doors 106 and 108 are connected to the bending portion driving unit 39, for example. Further, the positions of the doors 106 and 108 may be detected by calculating from information of a sensor that measures the displacement of an operation member such as an encoder in the drive unit. The position 108 may be detected. Moreover, although each switching mechanism 105,107 exists only in the branch part of each treatment tool channel 26,27, it may exist in both a branch part and a merge part. In that case, it can prevent that each treatment tool 29 and 31 returns to each treatment tool port 33 and 32 side in a junction part.
- FIG. 6 is a flowchart for explaining a treatment tool replacement process in the treatment tool replacement apparatus 100.
- FIG. 7 is a schematic cross-sectional view showing a first stage when the treatment instrument is replaced by the treatment instrument replacement apparatus 100.
- FIG. 8 is a schematic cross-sectional view showing a second stage when the treatment instrument is replaced by the treatment instrument replacement apparatus 100.
- FIG. 9 is a schematic cross-sectional view illustrating a third stage when the treatment instrument is replaced by the treatment instrument replacement apparatus 100.
- FIG. 10 is a schematic cross-sectional view showing a fourth stage when the treatment instrument is replaced by the treatment instrument replacement apparatus 100.
- the operator Op first inserts the insertion portion 16 into the body from the natural opening of the patient P.
- the insertion portion 16 may be inserted from another natural opening such as an anus.
- the surgeon Op moves the distal end of the insertion portion 16 to the target site of the procedure while confirming the image from the observation member 34 on the display unit 14.
- the projection amount at this time may be set in advance as a predetermined initial projection amount.
- the projection amount may be the maximum projection amount that the treatment instruments 29 and 31 cannot project any more or the minimum projection amount from the arms 24 and 25. May be.
- the surgeon Op operates the arms 24 and 25 while viewing the image from the observation member 34 to perform a desired procedure on the target site.
- step S101 replacement control of each treatment instrument 29, 31 is started.
- step S102 is performed after step S101.
- step S102 the operator Op presses the treatment instrument replacement switch 101.
- step S103 is performed after step S102.
- step S ⁇ b> 103 the treatment instrument replacement mode is set by detecting that the treatment instrument replacement switch 101 has been pressed by the mode management unit 36.
- Step S104 is performed after step S103.
- step S ⁇ b> 104 the treatment instrument drive units 42 and 43 are driven so that the distal ends of the treatment instruments 29 and 31 are retracted to the proximal end of the treatment instrument replacement unit 102.
- Step S105 is performed after step S104. As shown in FIG. 8, the distal ends of the treatment instruments 29 and 31 are retracted to the proximal end of the treatment instrument replacement unit 102 by driving the treatment instrument drive units 42 and 43.
- step S105 the first switching unit 105 and the second switching unit 107 are driven.
- Step S106 is performed after step S105.
- the first door 106 is switched from the first position A1 to the second position A2 by driving the first switching unit 105.
- the second door 108 is switched from the first position B1 to the second position B2 by driving the second switching portion 107.
- the treatment instrument drive units 42 and 43 are driven back until the distal ends of the treatment instruments 29 and 31 protrude from the distal ends of the arms 24 and 25 (the treatment instruments 29 and 31 advance).
- Step S107 is performed after step S106.
- the right treatment instrument 29 whose distal end has been retracted to the proximal end of the treatment instrument replacement section 102 is inserted into the first communication channel 103 via the first door 106 at the second position A2.
- the left treatment instrument 31 whose distal end has been retracted to the proximal end of the treatment instrument replacement unit 102 is inserted into the second communication channel 104 via the second door 108 at the second position B2.
- the right treatment tool 29 inserted into the first communication channel 103 protrudes from the left arm 25 after being inserted into the left arm 25.
- the right treatment instrument 31 inserted into the second communication channel 104 protrudes from the right arm 24 after being inserted into the right arm 24.
- the treatment instruments 29 and 31 have been replaced based on the movement of the doors 106 and 108 of the switching units 105 and 107.
- the path length from the proximal end portion of the right treatment instrument channel 26 to the right arm 24 and the path length from the proximal end portion of the right treatment instrument channel 26 to the left arm 25 are different.
- the path from the proximal end portion of the right treatment instrument channel 26 to the left arm 25 is the route of the first communication channel 103 than the path from the proximal end portion of the right treatment instrument channel 26 to the right arm 24. Longer than the length.
- the amount of projection from the distal end of each treatment tool 29, 31 to each arm 24, 25 is determined in advance from the length of each treatment tool 29, 31 and the length of each treatment tool channel 26, 27. Therefore, after each treatment instrument 29, 31 is replaced, the path length increment is calculated by the calculation unit 37, and the treatment tool 29, 31 projects from the tip of each arm 24, 25 with the same projection amount. The amount of progress of each treatment tool 29, 31 is increased according to the increase in length.
- step S107 the assignment of the master arm 13 to each treatment instrument 29, 31 is switched.
- Step S108 is performed after step S107.
- the master arm 13 is assigned to drive the right treatment tool drive unit 42 of the right treatment tool 29 by the right arm 13a.
- the right arm 13a is assigned to drive the treatment tool drive unit 43 of the treatment tool 31.
- the master arm 13 was assigned to drive the left treatment instrument drive unit 43 of the left treatment instrument 31 by the left arm 13b.
- the left arm 13b is assigned to drive the treatment tool drive unit 42 of the treatment tool 29.
- step S108 the mode management unit 36 changes the treatment instrument replacement mode to the original normal mode.
- step S109 is performed after step S108.
- step S109 the treatment instrument replacement is completed.
- the operator Op removes the insertion portion 16 from the patient P and ends the series of operations.
- each treatment instrument 29, 31 is exchanged again, it can be exchanged using the flowchart shown in FIG. In this case, the positions of the doors 106 and 108 of the switching units 105 and 107 are moved to positions different from those before the replacement.
- each treatment instrument 29, 31 is inserted into each correct treatment instrument channel 26, 27.
- the treatment instrument presence / absence sensor can detect the treatment instruments 28 and 31, a proximity sensor, a light transmission sensor, or the like can be used.
- the treatment tools 29 and 31 are slightly retracted, and then the switching units 105 and 107 are driven. Thereafter, the treatment tools 29 and 31 are advanced by simply moving the treatment tools 29 and 31 forward. You can change it. That is, it is not necessary to completely remove each treatment instrument 29, 31 from each treatment instrument channel 26, 27. Therefore, the time for exchanging the treatment instruments 29 and 31 can be greatly shortened.
- each switching part 105,107 is the simple structure of each door 106,108 and each communication channel 103,104, it does not make a big change to an existing apparatus, but is a treatment tool. Can be switched.
- the treatment tool is exchanged so that the treatment tool is appropriately exchanged for a treatment tool having an asymmetric tip structure, such as the treatment tool 29 having a hook-shaped electrode. Accordingly, there is a step of rotating the treatment instrument in the treatment instrument channel. Specifically, the treatment instrument 29 is rotated 180 degrees by the treatment instrument drive unit 42 that rotates the treatment instrument 29 between step S106 and step S107 shown in FIG.
- the state in which the distal end portion of the treatment instrument 29 is appropriately directed to the treatment target is maintained, and when the insertion path of the treatment instrument 29 is exchanged between the right arm 24 and the left arm 25, the exchange is performed. Subsequent treatment can be started smoothly.
- FIG. 11 is a schematic cross-sectional view of the insertion portion of the treatment instrument replacement device according to the second embodiment of the present invention.
- the change in the path length after the treatment tool replacement in the first embodiment is handled by the change in the advance / retreat amount by each treatment tool drive unit, but the path length deviation is caused by mechanical switching. It was made to correspond.
- the treatment instrument replacement device 110 is provided with a first path length adjustment section 111 and a second path length adjustment section 112 on the distal end side from the treatment instrument replacement section 102.
- the first path length adjustment unit 111 has a third door 113 that rotates, and when the third door 113 is positioned at the first position A3, a short short channel 114 is set in the right treatment instrument channel 26.
- the third door 113 is located at the second position A4, the long long channel 115 is set in the right treatment instrument channel 26.
- the second path length adjustment unit 112 has a fourth door 116 that rotates, and when the fourth door 116 is located at the first position B3, a short short channel 117 is set in the left treatment instrument channel 27. The When the fourth door 116 is located at the second position B4, the long long channel 118 is set in the left treatment instrument channel 27.
- FIG. 12 is a schematic cross-sectional view of one process of the insertion portion 16 in the treatment instrument replacement apparatus 110.
- FIG. 13 is a schematic cross-sectional view of one process of the insertion portion 16 in the treatment instrument replacement apparatus 110.
- the first treatment instrument replacement unit 102 has the first door 106 at the first position A1
- the first door length adjustment unit 111 has the third door 113 located at the second position A4.
- a long channel 115 is set in the channel 26. Therefore, after the right treatment instrument 29 is guided to the first path length adjustment unit 111 by the first door 106 of the treatment instrument replacement unit 102, the right treatment instrument 29 enters the right arm 24 through the long path channel 115 in the first path length adjustment unit 111. It is inserted.
- the arms 24 and 25 of the treatment tools 29 and 31 are moved forward and backward by the same amount of displacement as before the path lengths of the treatment tool drive units 42 and 43 change.
- the amount of protrusion can be made uniform. Therefore, the path length difference can be reliably eliminated by highly reliable mechanical switching.
- FIG. 14 is a schematic cross-sectional view showing one process during treatment tool replacement of the treatment tool replacement apparatus according to the third embodiment of the present invention.
- FIG. 15 is a schematic cross-sectional view showing one process during treatment tool replacement of the treatment tool replacement device. In this embodiment, it replaces with the switching part which has a door of 1st Embodiment, and has a sliding type switching part.
- the treatment instrument replacement device 120 includes a treatment instrument replacement unit 121.
- the treatment instrument replacement section 121 is a slide switching section 122 that can communicate independently with the proximal end portion of the right treatment instrument channel 26 to the right arm 24 and the proximal end portion of the left treatment instrument channel 27 to the left arm 25.
- the treatment instrument replacement unit 121 can connect the switching channel 123 from the right treatment instrument port 32 to the right treatment instrument channel 26 to the right arm 24 by switching the slide switching unit 122. it can.
- the switching channel 123 from the right treatment instrument port 32 can be connected to the left treatment instrument channel 27 to the left arm 25 by switching the slide switching section 122.
- the end face of the switching channel 123 can be brought into contact with the end face of the right treatment instrument channel 26 to the right arm 24 or the end face of the left treatment instrument channel 27 to the left arm 25 by the slide switching section 122. Therefore, each treatment tool 29, 31 can be moved back and forth without being caught.
- FIG. 16 is principal part sectional drawing of the treatment tool replacement
- FIG. 17 is a schematic cross-sectional view showing one process during treatment tool replacement of the treatment tool replacement device.
- FIG. 18 is a schematic cross-sectional view illustrating one process during treatment tool replacement of the treatment tool replacement device.
- a rotary switching unit is provided instead of the sliding switching unit of the third embodiment.
- the treatment instrument replacement device 130 includes a rotation switching unit 131.
- the rotation switching unit 131 includes a substrate (see FIG. 17) 132 and a rotating plate 133.
- the substrate 132 is attached to the proximal end portion of the right treatment instrument channel 26 and the proximal end portion of the left treatment instrument channel 27.
- the substrate 132 has a right treatment instrument channel communication hole 134 that communicates with the right treatment instrument channel 26, and a left treatment instrument channel communication hole 135 that communicates with the left treatment instrument channel 27.
- the rotating plate 133 is formed in an annular shape, and has a first communication hole 136 and a second communication hole 137 at opposing positions through 180 degrees on the circumference.
- the rotating plate 133 is attached to the substrate 132 so as to be rotatable about one axis with respect to the substrate 132.
- the rotary plate 133 communicates the first communication hole 136 with the right treatment instrument channel communication hole 134 of the substrate 132 and the second communication hole 137 with the left treatment instrument channel communication hole 135 of the substrate 132.
- the right treatment instrument port 32 is connected to the right treatment instrument channel 26 and the left treatment instrument port 33 is connected to the left treatment instrument channel 27.
- the rotating plate 133 rotates from the state shown in FIG. Due to the rotation of the rotating plate 133, the first communication hole 136 is communicated with the left treatment instrument channel communication hole 135 of the substrate 132, and the second communication hole 137 is communicated with the right treatment instrument channel communication hole 134 of the substrate 132. Therefore, the right treatment tool port 32 is connected to the left treatment tool channel 27 and the right treatment tool port 32 is connected to the right treatment tool channel 26.
- the present embodiment it is easily switched whether the right treatment instrument port 32 is connected to the right treatment instrument channel 26 or the left treatment instrument channel 27 by the one-axis rotation of the rotation switching unit 131. it can. In addition, it is possible to easily switch whether the left treatment instrument port 33 is connected to the left treatment instrument channel 27 or to the right treatment instrument channel 26.
- the end face of the right treatment instrument channel 26 and the end face of the left treatment instrument channel 27 can be brought into contact with the end face on the right treatment instrument port 32 side or the end face on the left treatment instrument port 33 side. Therefore, each treatment tool 29, 31 can be moved back and forth without being caught.
- FIG. 19 is a schematic cross-sectional view showing a process during the treatment tool replacement of the treatment tool replacement apparatus according to the fifth embodiment of the present invention.
- FIG. 20 is a schematic cross-sectional view showing a process during treatment tool replacement of the treatment tool replacement device.
- a channel bending type switching unit is provided instead of the rotary type switching unit of the fourth embodiment.
- the treatment instrument replacement device 140 includes a channel switching unit 141.
- the channel switching unit 141 includes a rotating channel member 142 having a communication pipe 143 and a communication pipe 144.
- the right treatment instrument port 32 and the right treatment instrument channel 26 to the right arm 24 are disposed to face the communication pipe 143 of the rotation channel member 142.
- the communication tube 144 of the rotary channel member 142 is communicated with the left treatment instrument channel 27. For this reason, the right treatment instrument port 32 and the right treatment instrument channel 26 at the opposite positions are connected in communication.
- the rotation channel member 142 rotates about 45 degrees clockwise around the center of the circle of the rotation channel member 142 from the state shown in FIG.
- the communication pipes 143 and 144 fixed to the rotation channel member 142 move and deform together with the rotation channel member 142.
- the right treatment instrument port 32 and the left treatment instrument channel 27 to the left arm 25 are arranged to face the communication pipe 144.
- the communication tube 143 of the rotation channel member 142 is communicated with the right treatment instrument channel 26 to the right arm 24. For this reason, the right treatment instrument port 32 and the left treatment instrument channel 27 at the opposite positions are connected in communication.
- the treatment instrument that has entered from the treatment instrument port Since the treatment instrument that has entered from the treatment instrument port has a characteristic of going straight, it enters the channel at the opposite position. Therefore, as shown in FIG. 19, the right treatment instrument channel 26 is inserted into the right arm 24 when facing, and as shown in FIG. 20, when the left treatment instrument channel 27 is facing, insertion into the left arm 25. Is done.
- the right treatment instrument port 32 is connected to the right treatment instrument channel 26 by a simple operation of rotating the rotation channel member 142 together with the treatment instrument channels 26 and 27, or the left treatment instrument channel 27 is connected to the left treatment instrument channel 27. It is possible to easily switch between communication connections.
- each treatment instrument can be changed by simply retracting each treatment instrument and then driving the switching unit and then advancing each treatment instrument. . That is, it is not necessary to completely remove each treatment instrument from each treatment instrument channel. Therefore, the time for exchanging each treatment instrument can be greatly shortened.
Abstract
Description
本願は、2013年03月28日に、米国に仮出願された米国特許出願第61/806,128号に基づき優先権を主張し、その内容をここに援用する。
従来、内視鏡の処置具チャネルに挿通された処置具を他の処置具に交換する場合には、処置具チャネルから処置具を完全に抜去して別の処置具を処置具チャネルに挿入する必要があった。このため、処置具を交換する際に小さい処置具ポートに処置具を挿入する場合は、特に作業性が悪く、また、処置具の交換をするために処置を中断する時間が長くなってしまう。
本発明の第1の態様の処置具交換装置は、処置される対象に対して処置をする複数の処置具を切換えて保持する処置具交換装置であって、前記複数の処置具が挿入され前記処置具の挿通経路を規定する複数の処置具チャネルが形成された軟性の挿入部と、前記処置具チャネルに挿通された前記複数の処置具の各々を前記処置具チャネル内で前進させるとともに前記複数の処置具の各々を前記処置具チャネル内で後退させる駆動部と、前記複数の処置具を操作して処置をする操作部と、前記複数の処置具のうち前記処置具チャネルの先端から突出した状態にある処置具の前記処置具チャネルからの突出量を制御する制御部と、を備える。前記挿入部は、挿入される前記処置具の挿通経路を変更する切換え部を有する。
本発明の第3の態様によれば、上記第1の態様の処置具交換装置において、前記切換え部は、前記複数の処置具チャネルを連通する連通チャネルと、前記複数の処置具チャネルのうちの少なくとも一つを閉鎖して、閉鎖されていない残りの処置具チャネルのうちの少なくとも一つに前記処置具を誘導する扉と、前記処置具チャネルの経路長さを調整する経路長調整部とを有していてもよい。
本発明の第4の態様によれば、上記第1の態様の処置具交換装置と、前記処置具交換装置を動作させるマニピュレータと、前記処置具交換装置及び前記マニピュレータの動作を指示する操作入力を行うマスタ入力部とを備える。
上記各態様の処置具交換装置及び医療システムでは、各処置具をわずかに後退させてから、切換え部を駆動し、その後に、各処置具を進行させるだけで各処置具を持ち替えることができる。すなわち、各処置具を各処置具チャネルから完全に抜去する必要がない。したがって、各処置具を交換する際の時間を大幅に短縮することが可能である。
(第1実施形態)
本発明の処置具交換装置及び医療システムの第1実施形態について説明する。図1は、本発明の第1実施形態の処置具交換装置を有する医療システムの全体図である。
挿入部16は、軟性を有し、挿入部16には、複数の処置具29,31が挿入され処置具29,31の挿通経路を規定する複数の処置具チャネル26,27が形成されている。駆動部42,43は、処置具チャネル26,27に挿通された複数の処置具29,31の各々を処置具チャネル26,27内で前進させるとともに複数の処置具29,31の各々を処置具チャネル26,27内で後退させる。把持部20は、複数の処置具29,31を操作して処置をする。制御部17は、複数の処置具29,31のうち処置具チャネル26,27の先端から突出した状態にある処置具29,31の処置具チャネル26,27からの突出量を制御する。また、挿入部16は、挿入される処置具29,31の挿通経路を変更する切換え部105,107を有している。
詳細については、後述する。
マスタ入力部11には、挿入部16のモードを選択および入力するためのモード入力部として機能するフットスイッチ21が設けられている。モード入力部の構成は、フットスイッチ21に限られず、例えば、把持部20に設けたボタンや、表示部14に表示されるタッチパネル等でもよく、具体的構成に特に制限はない。また、これらが適宜組み合されてもよい。
各アーム24、25を湾曲操作するためのアーム操作部材は、湾曲部23の操作部材と同様の態様で、スレーブアーム15に設けられたアーム用の駆動軸と連結されている。アーム操作部材は、アーム用の駆動機構により各アーム24、25を湾曲させることができる。
演算部37は、マスターアーム13からの操作入力と、モード管理部36から受け取った信号とに基づき、スレーブマニピュレータ12の各部を動作させる信号を生成してマニピュレータ制御部19に送り、挿入部16の各部の動作を制御する。
観察部材34は、画像コントローラ45に接続されている。観察部材34の取得した術野の映像は、画像コントローラ45を経由して表示部14に送られ、表示部14において映像が表示される。
第1扉106は、右処置具チャネル26及び左処置具チャネル27のうちの右処置具チャネル26を閉鎖して、閉鎖されていない左処置具チャネル27に処置具29,31を誘導する。
第2扉108は、左処置具チャネル26及び左処置具チャネル27のうちの左処置具チャネル27を閉鎖して、閉鎖されていない右処置具チャネル28に処置具29,31を誘導する。
また、各切換え機構105、107は、各処置具チャネル26、27の分岐部分のみにあるが、分岐部分と合流部分との両方にあってもよい。その場合、各処置具29、31が合流部分において各処置具ポート33、32側に戻ってしまうのを防止できる。
そこで、図6に示すように、ステップS101において、各処置具29、31の交換制御がスタートする。ステップS101の後にステップS102を行う。ステップS102においては、操作者Opが処置具交換スイッチ101を押す。ステップS102の後にステップS103を行う。ステップS103においては、モード管理部36によって処置具交換スイッチ101が押されたことを検出することにより、処置具交換モードが設定される。ステップS103の後にステップS104を行う。
ステップS104においては、各処置具29、31の先端が処置具交換部102の基端まで後退するように各処置具駆動部42、43を駆動する。ステップS104の後にステップS105を行う。
図8に示すように、各処置具駆動部42、43の駆動により、各処置具29、31の先端が処置具交換部102の基端まで後退する。
ここで、各処置具29、31の交換前まで、マスターアーム13は、右アーム13aによって右処置具29の右処置具駆動部42を駆動させるように割当てられていた。しかし、各処置具29、31の交換後は、右アーム13aによって処置具31の処置具駆動部43を駆動させるように割当てられる。同様に、各処置具29、31の交換前まで、マスターアーム13は、左アーム13bによって左処置具31の左処置具駆動部43を駆動させるように割当てられていた。しかし、各処置具29、31の交換後は、左アーム13bによって処置具29の処置具駆動部42を駆動させるように割当てられる。
ステップS109においては、処置具交換を完了する。
すべての手技が終わったら、術者Opは挿入部16を患者Pから抜去して一連の動作を終了する。
ここで、各処置具29、31の交換を再度行う場合、図6に示したフローチャートを用いて交換することができる。この場合、各切換え部105、107の各扉106、108の位置を交換前と異なる位置に移動する。
また、本実施形態では、各切換え部105、107が、各扉106、108と、各連通チャネル103、104の簡素な構造であるために、既存の装置に大きな変更を行わずに、処置具の切換えを行うことができる。
次に、上述の第1実施形態の変形例について説明する。
本変形例では、例えばフック状の電極を備えた処置具29などのように、先端構造が非対称である処置具等に対して処置具の交換が適切に行なわれるように、処置具の交換に伴って処置具を処置具チャンネル内で回転させるステップを有している。
具体的には、図6に示すステップS106とステップS107との間において、処置具29を回転させる処置具駆動部42により、処置具29を180度回転させる。
次に、本発明の処置具交換装置及び医療システムの第2実施形態について説明する。図11は、本発明の第2実施形態の処置具交換装置の挿入部の断面模式図である。
本実施形態では、第1実施形態において処置具交換後の経路長の変化を、各処置具駆動部による進退量の変化で対応させていたのに代えて、機械的な切換えにより経路長の偏差に対応させた。
このように、各経路長調整部111、112の経路長が処置具交換部102における経路長の差分を打ち消すので、各処置具29、31を交換した後も、各処置具チャネル26、27の経路長がほぼ同じになる。
次に、本発明の処置具交換装置及び医療システムの第3実施形態について説明する。図14は、本発明の第3実施形態の処置具交換装置の処置具交換時の一過程を示す断面模式図である。図15は、処置具交換装置の処置具交換時の一過程を示す断面模式図である。
本実施形態では、第1実施形態の扉を有する切換え部に代えて、スライド式の切換え部を有する。
次に、本発明の処置具交換装置及び医療システムの第4実施形態について説明する。図16は、本発明の第4実施形態の処置具交換装置の要部断面図である。図17は、処置具交換装置の処置具交換時の一過程を示す断面模式図である。図18は、処置具交換装置の処置具交換時の一過程を示す断面模式図である。
本実施形態では、第3実施形態のスライド式の切換え部に代えて、回転式の切換え部を有する。
次に、本発明の処置具交換装置及び医療システムの第5実施形態について説明する。図19は、本発明の第5実施形態の処置具交換装置の処置具交換時の一過程を示す断面模式図である。図20は、同処置具交換装置の処置具交換時の一過程を示す断面模式図である。
本実施形態では、第4実施形態の回転式の切換え部に代えて、チャネル湾曲式の切換え部を有する。
例えば、右処置具と左処置具とを切換える場合に代えて、片方の処置具だけを切換えてもよい。その場合、右処置具が右アームに挿通されていて、左処置具が挿通されていないときに、右処置具の交換を行ってから、左アームに右処置具を挿通してもよい。また、複数の処置具を操作する操作部として、マスタ入力部11にていわゆる遠隔操作する例を取って説明したが、これに限らず、処置具の駆動部の基端側に操作部を一体的に設けても良い。
11 マスタ入力部
12 マニピュレータ
16 挿入部
20 把持部(操作部)
26,27 処置具チャネル
29,31 処置具
42,43 駆動部
100 処置具交換装置
105 第1切換え部(切換え部)
106 第1扉(扉)
107 第2切換え部(切換え部)
108 第2扉(扉)
Claims (4)
- 処置される対象に対して処置をする複数の処置具を切換えて保持する処置具交換装置であって、
前記複数の処置具が挿入され前記処置具の挿通経路を規定する複数の処置具チャネルが形成された軟性の挿入部と、
前記処置具チャネルに挿通された前記複数の処置具の各々を前記処置具チャネル内で前進させるとともに前記複数の処置具の各々を前記処置具チャネル内で後退させる駆動部と、
前記複数の処置具を操作して処置をする操作部と、
前記複数の処置具のうち前記処置具チャネルの先端から突出した状態にある処置具の前記処置具チャネルからの突出量を制御する制御部と、
を備え、
前記挿入部は、
挿入される前記処置具の挿通経路を変更する切換え部を有する
処置具交換装置。 - 前記切換え部は、
前記複数の処置具チャネルを連通する連通チャネルと、
前記複数の処置具チャネルのうちの少なくとも一つを閉鎖して、閉鎖されていない残りの処置具チャネルのうちの少なくとも一つに前記処置具を誘導する扉とを有する
請求項1に記載の処置具交換装置。 - 前記切換え部は、
前記複数の処置具チャネルを連通する連通チャネルと、
前記複数の処置具チャネルのうちの少なくとも一つを閉鎖して、閉鎖されていない残りの処置具チャネルのうちの少なくとも一つに前記処置具を誘導する扉と、
前記処置具チャネルの経路長さを調整する経路長調整部とを有する
請求項1に記載の処置具交換装置。 - 請求項1に記載の処置具交換装置と、
前記処置具交換装置を動作させるマニピュレータと、
前記処置具交換装置及び前記マニピュレータの動作を指示する操作入力を行うマスタ入力部とを備える
医療システム。
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EP14772848.9A EP2982330B1 (en) | 2013-03-28 | 2014-01-30 | Treatment tool exchanging device and medical system |
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WO2020044554A1 (ja) * | 2018-08-31 | 2020-03-05 | オリンパス株式会社 | 血管内視鏡 |
JP2021516116A (ja) * | 2018-03-26 | 2021-07-01 | ソウル ナショナル ユニバーシティ ホスピタル | 内視鏡及び副鼻腔進入用内視鏡 |
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US10085618B2 (en) | 2018-10-02 |
EP2982330A4 (en) | 2016-11-23 |
CN105050530B (zh) | 2017-07-28 |
US20160058269A1 (en) | 2016-03-03 |
EP2982330B1 (en) | 2018-12-12 |
JP5959722B2 (ja) | 2016-08-02 |
JPWO2014156286A1 (ja) | 2017-02-16 |
EP2982330A1 (en) | 2016-02-10 |
CN105050530A (zh) | 2015-11-11 |
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