WO2023062687A1 - カバー付ドレープユニット、係止カバーおよび医療用ロボット - Google Patents
カバー付ドレープユニット、係止カバーおよび医療用ロボット Download PDFInfo
- Publication number
- WO2023062687A1 WO2023062687A1 PCT/JP2021/037588 JP2021037588W WO2023062687A1 WO 2023062687 A1 WO2023062687 A1 WO 2023062687A1 JP 2021037588 W JP2021037588 W JP 2021037588W WO 2023062687 A1 WO2023062687 A1 WO 2023062687A1
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- Prior art keywords
- slider
- drape unit
- drape
- unit
- cover
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- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 210000003811 finger Anatomy 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Classifications
-
- 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
- A61B46/00—Surgical drapes
- A61B46/10—Surgical drapes specially adapted for instruments, e.g. microscopes
Definitions
- the present invention relates to a covered drape unit, a locking cover, and a medical robot that includes a drape unit that separates a medical robot from a surgical instrument and a locking cover.
- US Pat. No. 6,200,000 discloses a surgical system that can be configured to be a minimally invasive and/or computer-assisted surgical system. Operation of the system may be controlled by transmission of force from the first section of the system to the second section.
- the first compartment and the second compartment may be separated by a partition or barrier.
- the first section may be a non-sterile section and the second section may be a sterile section of the surgical system.
- Patent Document 2 also discloses a surgical drape that covers at least a portion of a surgical robot arm.
- the drape includes an interface portion positionable between the arm and the instrument when the instrument is engaged with the arm, and a bulk portion surrounding the interface portion.
- Patent Document 3 discloses a medical manipulator system.
- This medical manipulator system includes a guide instrument having a treatment instrument channel, an insert inserted through the treatment instrument channel, a power source detachable from the insertion body, and a joint part of the insertion in the treatment instrument channel.
- a predetermined region consisting of a first region and a second region, which has a first region corresponding to a state in which the joint is located at the end of the instrument channel and a second region corresponding to a state in which the joint is exposed from the distal end of the treatment instrument channel a guide rail that guides the power source so as to move forward and backward in a linear direction; a restricting portion that restricts movement of the insert from the second area to the first area in the attached state.
- the part where the surgical tool is attached to the medical robot is provided with a movable member that transmits the driving force to the surgical tool and an opening that guides the movement of the movable member.
- a movable member that transmits the driving force to the surgical tool and an opening that guides the movement of the movable member.
- the drape unit which is an intermediate member, is interposed between the medical robot and the surgical tool. If it takes too much time, erroneous attachment may occur, and reattachment may take time.
- the present invention is capable of sufficiently separating a clean area and an unclean area, and enabling the reattachment of a drape unit interposed between a medical robot and a surgical instrument to be completed accurately and in a short period of time. aim.
- one aspect of the present invention provides a medical robot that is arranged between a medical robot holding a surgical tool and the surgical tool to separate the surgical tool from the medical robot, and a medical robot that is provided on the surgical tool.
- the drape unit includes a drape unit that transmits forward and backward power from a power transmission section of the medical robot to a movable section, and a locking cover that can be reattached to the drape unit.
- the drape unit has a first engagement portion that engages with the power transmission portion and a second engagement portion that engages with the movable portion of the surgical instrument, and transmits power received from the power transmission portion to the movable portion.
- the medical robot includes a slider, and a separator body having a through hole through which a part of the slider is inserted and detachably attached to the medical robot.
- the locking cover includes a main body capable of covering the entire through-hole, a holding part detachably holding the relative position of the main body with respect to the separator main body, and a relative position between the main body and the slider. a slider holding portion that is provided on the main body portion and is engageable with the second engaging portion.
- the locking cover when the locking cover is attached to the drape unit, it covers the entire through-hole provided in the separator body, thereby separating the clean area and the unclean area. Further, when the locking cover is attached to the drape unit, the relative position of the main body of the locking cover to the separator body is held, and the relative position of the main body and the slider is held by the slider holding portion. As a result, when attaching the surgical tool to the drape unit, the movable part of the medical robot can be accurately aligned with the movable part of the surgical tool through the slider of the drape unit.
- the relative position of the slider with respect to the separator body may be visible in a state where the main body portion is light transmissive and the locking cover is held by the separator body.
- the holding portion has a projection projecting toward the separator main body, and the drape unit has a lock receiving portion that receives the projection and regulates movement of the projection in the forward and backward directions.
- the slider When the lock cover is held by the lock receiving portion, the slider whose relative position is held by the slider holding portion may be engageable with the power transmission portion at the first engaging portion. Accordingly, when the locking cover is attached to the drape unit and the convex portion is received in the locking receiving portion, the movement of the locking cover in the advancing and retreating direction is restricted, and the relative position of the slider is held by the slider holding portion. be done.
- the drape unit includes an initial receiving portion that receives the convex portion and temporarily holds the locking cover, and a guide portion that guides the convex portion from the initial receiving portion to the locking receiving portion in the advancing and retreating direction.
- the locking receiving portion is provided with a locking wall that allows the convex portion to move in one of the forward and backward directions guided by the guide portion, but restricts movement in the other direction.
- the slider holding portion engages with the second engaging portion of the slider that has moved to one end of the through-hole in the advancing/retreating direction when the locking cover is temporarily held. may be made compatible. If the locking cover is attached while the slider is moved to one end of the through hole in the advancing/retreating direction, the slider holding portion can be accurately engaged with the second engaging portion of the slider.
- the general shape of the locking cover has a symmetrical shape with a predetermined cross section as a plane of symmetry.
- This plane of symmetry may be a plane including a direction along the advance/retreat direction of the drape unit or a plane orthogonal to the advance/retreat direction of the drape unit. Accordingly, when the locking cover is attached to the drape unit, it can be attached regardless of the orientation in the advancing/retreating direction.
- At least one slider holding portion is equally divided by the plane of symmetry. Accordingly, when the locking cover is attached to the drape unit, it can be attached regardless of the orientation in the advancing/retreating direction.
- Another aspect of the present invention is a locking cover provided in the drape unit with a cover, which is capable of covering the entire through-hole and detachably retains the position of the main body relative to the separator main body. and a slider holding portion that is provided on the main body and engageable with the second engaging portion so as to hold the relative position between the main body and the slider.
- the locking cover when the locking cover is attached to the drape unit, it covers the entire through-hole provided in the separator body, thereby separating the clean area and the unclean area. Further, when the locking cover is attached to the drape unit, the relative position of the main body of the locking cover to the separator body is held, and the relative position of the main body and the slider is held by the slider holding portion. As a result, when attaching the surgical tool to the drape unit, the movable part of the medical robot can be accurately aligned with the movable part of the surgical tool through the slider of the drape unit.
- a medical robot in which a drape unit included in the drape unit with a cover is disposed between a surgical instrument and transmits power in a forward/retreat direction to the surgical instrument, wherein the drape unit transmits power.
- a slider having a first engaging portion that engages with a portion and a second engaging portion that engages with a movable portion of a surgical instrument, and transmits power received from a power transmission portion to the movable portion; a separator body which has a through-hole for inserting the part and is detachably attached to the medical robot, and when the drape unit is attached, the power transmission part is held at a predetermined position in the forward/backward direction.
- the power transmission unit is characterized by having an installation control unit that controls the actuator unit that drives the power transmission unit.
- the relative position of the slider with respect to the separator body is determined by attaching the engagement cover, and on the medical robot side, the force transmission part is controlled by the control part of the actuator part by the control part at the time of installation.
- the position of the advance and retreat direction is determined. Therefore, when attaching the drape unit to the medical robot, the slider and the power transmission section can be engaged accurately and in a short time.
- the clean area and the unclean area can be sufficiently separated, and the reattachment of the drape unit interposed between the medical robot and the surgical instrument can be completed accurately and in a short time. becomes.
- FIG. 1 is a perspective view illustrating a medical robot and a drape unit according to this embodiment
- FIG. FIG. 4 is a perspective view illustrating a state in which the surgical instrument is attached
- FIG. 4 is a perspective view illustrating attachment of a surgical instrument to a drape unit
- FIG. 4 is a plan view illustrating a drive portion of the medical robot
- 4 is an exploded perspective view of the drape unit according to the present embodiment
- FIG. FIG. 3 is a cross-sectional view illustrating the configuration of the drape unit according to the embodiment
- FIG. 3 is a perspective view illustrating a drape unit with a cover
- FIG. 4 is an exploded perspective view illustrating a drape unit with a cover
- FIG. 8B is an enlarged view of part A in FIG.
- FIG. 4 is a schematic diagram illustrating a method of reattaching the drape unit;
- FIG. 4 is a schematic diagram illustrating a method of reattaching the drape unit;
- FIG. 4 is a schematic diagram illustrating a method of reattaching the drape unit;
- FIG. 4 is a schematic diagram illustrating a method of reattaching the drape unit;
- FIG. 4 is a schematic diagram illustrating a method of reattaching the drape unit;
- FIG. 10 is a perspective view illustrating reattachment of the covered drape unit to attachment of the surgical instrument;
- FIG. 10 is a perspective view illustrating reattachment of the covered drape unit to attachment of the surgical instrument;
- FIG. 10 is a perspective view illustrating reattachment of the covered drape unit to attachment of the surgical instrument;
- FIG. 11 is a perspective view showing another example of the locking cover;
- FIG. 11 is a plan view showing another example of the locking cover;
- FIG. 11 is a bottom view showing another example of the locking cover;
- FIG. 11 is a right side view showing another example of the locking cover;
- FIG. 11 is a front view showing another example of the locking cover;
- FIG. 1 is a perspective view illustrating a medical robot and a drape unit according to this embodiment.
- FIG. 2 is a perspective view illustrating an attached state of the surgical instrument.
- FIG. 3 is a perspective view illustrating attachment of the surgical instrument to the drape unit.
- FIG. 4 is a plan view illustrating the driving portion of the medical robot.
- the medical robot 500 has a multi-degree-of-freedom arm 510 that is a manipulator that can be remotely controlled.
- a mounting portion 520 for mounting the drape unit 1 according to the present embodiment is provided at the tip portion of the multi-degree-of-freedom arm 510 .
- the surgical instrument 100 is attached to the multi-degree-of-freedom arm 510 via the drape unit 1 .
- a separator body 20 is provided in the drape unit 1 .
- the separator body 20 is detachably attached to the mounting portion 520 of the multi-degree-of-freedom arm 510
- the surgical instrument 100 is detachably attached to the separator body 20 of the drape unit 1 .
- the drape unit 1 is provided with a drape 50 that covers the outside of the medical robot 500 .
- the drape unit 1 is arranged between the medical robot 500 holding the surgical instrument 100 and the surgical instrument 100, and serves to separate the surgical instrument 100 and the medical robot 500 from each other.
- the drape unit 1 also serves to transmit forward and backward power from a power transmission section 550 provided in the medical robot 500 to the movable section 150 provided in the surgical instrument 100 .
- the direction of the power applied from the power transmission section 550 to the drape unit 1 is the Z direction
- one of the directions perpendicular to the Z direction is the X direction
- the Z direction and the X direction are perpendicular to each other.
- the Z direction is also the direction in which the tip portion of the multi-degree-of-freedom arm 510 extends. Further, the tip portion (mounting portion 520) of the multi-degree-of-freedom arm 510 rotates around the axis in the Z direction. Furthermore, the arm portion of the multi-degree-of-freedom arm 510 is also axially rotatable. Therefore, the surgical instrument 100 attached to the medical robot 500 can approach the patient from various angles with the multi-degree-of-freedom arm 510 .
- the surgical instrument 100 includes a main body 110, a shaft 120 extending from the main body 110, and a treatment section 130 provided at the tip of the shaft 120 (the end opposite to the main body 110). .
- the treatment section 130 is, for example, forceps. 2
- the medical robot 500 is attached to the medical robot 500 with the drape unit 1 attached to the surgical tool 100 so that the relationship between the surgical tool 100, the drape unit 1, and the mounting portion 520 of the medical robot 500 can be easily understood.
- a state in which it is attached to the attachment portion 520 is depicted.
- the drape unit 1 is first attached to the attachment portion 520 of the medical robot 500, and the surgical instrument 100 is attached to the drape unit 1 in the attached state.
- the medical robot 500 is provided with an actuator section 511 and a control section 512 .
- the actuator section 511 generates driving force for operating the surgical instrument 100 .
- the actuator section 511 is connected to a power transmission section 550 (see FIG. 5) that transmits a driving force to the drape unit 1 in the advancing/retreating direction (Z direction).
- the actuator unit 511 generates a driving force using a gas such as air or a fluid
- a gas such as air or a fluid
- An electric motor may be used as the actuator section 511, and the type of power generation is not limited.
- the actuator section 511 may have a configuration using a piston and a cylinder, or may have a configuration that generates a driving force from another known fluid. It does not limit the configuration.
- the control section 512 controls generation of driving force in the actuator section 511 . It also controls the movement of the power transmission section 550 in the Z direction and the arrangement position of the power transmission section 550 . In this embodiment, an example in which the control unit 512 controls the supply of gas such as air to the actuator unit 511 will be described.
- the control unit 512 also functions as an attachment time control unit 512a, which will be described later.
- the main body 110 of the surgical instrument 100 is slid, for example, in the X direction on the separator main body 20 of the drape unit 1 attached to the mounting portion 520 of the multi-degree-of-freedom arm 510. and insert it.
- a link means for example, a wire
- the operation of the power transmission section 550 is transmitted from the drape unit 1 to the link means of the surgical instrument 100 to operate the treatment section 130 .
- the surgical instrument 100 attached to the medical robot 500 is sterilized and placed in a clean area.
- the medical robot 500 is placed in a dirty area that is not as clean as the surgical tool 100 .
- the drape unit 1 separates the clean area and the unclean area, and the drape unit 1 is also sterilized.
- the drape unit 1 includes a membranous drape 50 .
- the drape 50 has a first drape 51 that covers the multi-degree-of-freedom arm 510 side from the joint member 40 of the bearing structure, and a second drape 52 that covers the mounting section 520 side from the joint member 40 .
- the first drape 51 is put on the outside of the multi-degree-of-freedom arm 510 and connected by the joint member 40 so as to cover the multi-degree-of-freedom arm 510 side.
- the second drape 52 is attached so as to cover the attachment portion 520 side of the joint member 40 by attaching the separator main body 20 to the attachment portion 520 while covering the first drape 51 .
- FIG. 5 is an exploded perspective view of the drape unit according to this embodiment.
- FIG. 6 is a cross-sectional view illustrating the configuration of the drape unit according to this embodiment.
- FIG. 6 shows a YZ section of the drape unit 1.
- FIG. 6 shows a cross-sectional view of the drape unit 1 as well as a cross-sectional view of the power transmission section 550 of the medical robot 500 and the movable section 150 of the surgical tool 100 separated from the drape unit 1. .
- the drape unit 1 has a slider 10 that receives power from a power transmission section 550 of the medical robot 500 and a through hole 20h through which a portion of the slider 10 is inserted. and a separator body 20 detachably attached to the.
- the separator main body 20 is an assembly comprising a first fixed portion 21 and a second fixed portion 22 .
- the slider 10 is interposed between the first fixed portion 21 and the second fixed portion 22 and is housed in the separator body 20 so as not to fall off.
- the separator body 20 has a housing portion 25 that partially covers the slider 10 when viewed in the penetrating direction (Y direction) of the through-hole 20h when the slider 10 moves to the end (movable end) in the advancing and retreating direction. That is, when the slider 10 moves to the movable end in the Z direction, a part of the slider 10 is housed in the housing portion 25 of the separator body 20, so the exposure of the slider 10 to the outside is suppressed.
- the separator body 20 of the drape unit 1 is exposed until the surgical instrument 100 attached to the medical robot 500 is removed and another surgical instrument 100 is attached. state.
- the separator body 20 may be carelessly touched by the operator or a caregiver (assistant), or may be hit by some object (for example, a robot arm arranged next to it).
- the movable end of the slider 10 of the drape unit 1 in the Z direction is accommodated in the accommodation portion 25 of the separator body 20 as described above, so that the slider 10 may unexpectedly move due to contact or collision. It is less likely to cause problems such as moving, falling off, or breaking.
- the unit provided with the power transmission section 550 rotates and moves freely. 20h also faces various directions.
- the slider 10 is housed in the separator main body 20 so as not to fall off. Therefore, even if the through hole 20h of the drape unit 1 faces in any direction, the unclean area is exposed by the slider 10. can be properly prevented.
- the slider 10 includes a first movable portion 11 that receives power from a power transmission portion 550 , a second movable portion 12 that transmits power to the movable portion 150 of the surgical tool 100 , and an advancing/retreating direction (Z direction) from the second movable portion 12 . ) and a third movable portion 13 extending to the .
- the first movable portion 11 is provided with a first engagement portion 11a into which the protrusion 550a of the power transmission portion 550 is fitted.
- the drape unit 1 is attached to the mounting portion 520 of the multi-degree-of-freedom arm 510 , the protrusion 550 a of the power transmission portion 550 is fitted into the first engaging portion 11 a of the first movable portion 11 of the slider 10 .
- the power generated when the power transmission portion 550 advances and retreats is transmitted to the first movable portion 11, so that the slider 10 can advance and retreat.
- the second movable portion 12 is provided with a second engaging portion 12a into which the protrusion portion (movable portion protrusion portion 150a) of the movable portion 150 of the surgical instrument 100 is fitted.
- the movable part protrusion 150 a protruding from the back surface of the main body 110 is fitted into the second engaging part 12 a of the second movable part 12 .
- the slider 10 and the movable portion 150 of the surgical instrument 100 are engaged with each other, and the forward/backward movement of the power transmission portion 550 can be transmitted from the slider 10 to the movable portion 150 of the surgical instrument 100 .
- the power transmission section 550 when the power transmission section 550 is advanced and retracted, the power is transmitted from the slider 10 to the movable section 150 , and the forward and backward movement of the movable section 150 is transmitted to the wire 160 to operate the treatment section 130 via the wire 160 . can.
- the third movable portion 13 is a portion extending from the second movable portion 12 in the Z direction (forward and backward direction). Since the third movable portion 13 is larger than the second movable portion 12 when viewed in the Y direction, it serves to cover the through hole 20h.
- the first fixed portion 21 is provided with a first opening 21h through which the first movable portion 11 of the slider 10 is inserted
- the second fixed portion 22 is provided with a second opening 22h through which the second movable portion 12 of the slider 10 is inserted. be done.
- a region where the first opening 21h and the second opening 22h overlap when viewed in the Y direction is the through hole 20h.
- Each of the first opening 21h and the second opening 22h is an elongated hole extending in the Z direction, and guides the movement of the slider 10 in the Z direction within the range of the elongated hole.
- the slider 10 can move back and forth in the Z direction within the range of the long holes of the first opening 21h and the second opening 22h.
- the portion overlapping the first fixed portion 21 in the Y direction serves as the accommodating portion 25 .
- FIG. 7 is a perspective view illustrating a covered drape unit.
- 8A is an exploded perspective view illustrating a drape unit with a cover
- FIG. 8B is an enlarged view of part A in FIG. 8A.
- 9A and 9B are diagrams illustrating locking covers.
- FIG. 9A shows a plan view of locking cover 300 viewed from the rear surface
- FIG. 9B shows a sectional view of the locking cover.
- the covered drape unit 200 includes the previously described drape unit 1 and a locking cover 300 reattachable to the drape unit 1 .
- the covered drape unit 200 is applied when the drape unit 1 is attached to or reattached to the attachment section 520 of the medical robot 500 .
- the entire through hole 20h provided in the separator body 20 is covered with the locking cover 300, so that the clean area and the dirty area are separated. separation is ensured.
- the drape unit 1 when attaching the drape unit 1 to the medical robot 500, there are cases where the drape 50 is erroneously bitten, or the drape 50 is attached incorrectly at the correct position. In such a case, the drape unit 1 is once detached from the mounting portion 520, and the drape 50 is reattached (reattached) after the biting of the drape 50 is corrected or the attachment position is reviewed.
- Locking cover 300 includes main body portion 311, holding portion 314, and slider holding portions 313a, 313b and 313c.
- the slider holding portions 313a, 313b and 313c are collectively referred to as the slider holding portion 313 without distinguishing between them.
- the main body part 311 is a plate-like member that can cover the entire through hole 20h when the locking cover 300 is attached to the separator main body 20 of the drape unit 1 .
- a projection 311 a may be provided on the surface of the body portion 311 . By providing the projection 311a, when the locking cover 300 is slid on the separator main body 20, it can be easily caught by a finger, thereby facilitating the sliding operation.
- a specific example of the protrusion height of the projection 311a is 0.1 mm or more and 0.5 mm or less, and a more specific example is 0.25 mm or more and 0.35 mm or less.
- the holding portions 314 are standing pieces provided at both ends of the main body portion 311 in the width direction, and detachably hold the relative position of the main body portion 311 with respect to the separator main body 20 .
- the holding portion 314 engages with the separator main body 20 so as to hold both sides 20 s of the separator main body 20 .
- the holding portion 314 is provided in a springy state with respect to the main body portion 311, and has a convex portion protruding inward at a position facing the side surface 20s of the separator main body 20 of the holding portion 314.
- a portion 312 is provided.
- both side surfaces 20s of the separator main body 20 of the drape unit 1 are provided with locking receiving portions 411 that receive the convex portions 312 and restrict the movement of the convex portions 312 in the forward and backward direction (Z direction).
- the slider holding portion 313 engages with the second engaging portion 12 a of the slider 10 when the locking cover 300 is attached to the separator body 20 .
- the slider holding portions 313a, 313b and 313c are engaged with the second engaging portions 12a of the three sliders 10, respectively.
- the slider holding portion 313 holds the slider. Ten relative positions are retained. As a result, the slider 10 can be accurately engaged with the protrusion 550a of the power transmission section 550 at the first engagement section 11a.
- an initial receiving portion 421 that receives the convex portion 312 provided on the holding portion 314 to temporarily hold the locking cover 300 , and advances and retreats from the initial receiving portion 421 to the locking receiving portion 411 .
- a guide portion 431 for guiding the convex portion 312 in the direction is provided.
- a locking wall 441 is provided in the locking receiving portion 411 .
- the initial receiving portion 421, the guide portion 431, and the locking receiving portion 411 are configured by grooves provided on the side surface 20s of the separator body 20.
- the groove extends in the advancing and retreating direction (Z direction), the initial receiving portion 421 is arranged on one side of the advancing and retreating direction, and the lock receiving portion 411 is arranged on the other side.
- the locking wall 441 is provided on the initial receiving portion 421 side of the locking receiving portion 411 .
- the second engaging portion 12a of the slider 10 that has moved to the end of the through hole 20h in the advancing/retreating direction is engaged with the second engaging portion 12a.
- the holding portion 313 becomes engageable.
- the locking wall 441 has an inclined surface that rises in the direction from the initial receiving portion 421 toward the locking receiving portion 411 (farther from the side surface 20s in the X direction).
- the locking wall 441 allows the protrusion 312 to be guided by the guide portion 431 and move in one of the advancing/retreating directions (the direction from the initial receiving portion 421 toward the locking receiving portion 411). Movement in the other direction (the direction from the lock receiving portion 411 toward the initial receiving portion 421) can be restricted.
- the main body portion 311 of the locking cover 300 preferably has optical transparency. This makes it easier to visually recognize the relative position of the slider 10 with respect to the separator body 20 while the locking cover 300 is held by the separator body 20 .
- the general shape of the locking cover 300 may have a symmetrical shape with a predetermined cross section as a plane of symmetry.
- the plane of symmetry may be a plane (YZ plane) including a direction along the forward/backward direction (Z direction) or a plane (XY plane) orthogonal to the forward/backward direction (Z direction).
- FIG. 10A is a schematic diagram illustrating a method of reattaching the drape unit.
- the slider 10 is moved to one end of the separator body 20 while the drape unit 1 is removed from the mounting portion 520 .
- the slider 10 is not engaged with the power transmission portion 550, so the slider 10 is free. Therefore, for example, by directing the leading end side of the separator body 20 downward, the slider 10 moves downward under its own weight and moves to the bottom along the through hole 20h.
- the locking cover 300 is attached to the separator body 20. Then, as shown in FIG. In this attachment, the projection 312 provided on the holding portion 314 of the locking cover 300 is engaged with the initial receiving portion 421 to temporarily hold the locking cover 300 . In the state where the lock cover 300 is temporarily held, the slider holding portion 313 of the lock cover 300 is engaged with the second engaging portion 12a of the slider 10 that has moved to one end of the separator body 20. As a result, the slider 10 can be held at one end of the separator body 20 .
- the position of the locking cover 300 relative to the separator body 20 is slid to the other side in the advancing/retreating direction.
- projections 311a are provided on the surface of the main body portion 311 of the locking cover 300, the locking cover 300 can easily be caught by a finger and facilitate the sliding operation.
- the convex portion 312 of the holding portion 314 is guided from the initial receiving portion 421 over the locking wall 441 to the guiding portion 431 and reaches the locking receiving portion 411 . This fixes the position of the locking cover 300 relative to the separator body 20 .
- the slider 10 engaged with the slider holding portion 313 also moves.
- the slider 10 is arranged at a neutral position in the advancing/retreating direction by the through hole 20h.
- the covered drape unit 200 with the locking cover 300 fixed at a predetermined position is reattached to the attachment section 520 of the medical robot 500 .
- the control unit 512 controls the actuator unit 511 that drives the power transmission unit 550 so that the power transmission unit 550 is held at a predetermined position in the advancing/retreating direction.
- the control unit 512 shown in FIG. 4 functions as the mounting control unit 512a, controls the actuator unit 511, and moves the power transmission unit 550 to a predetermined position (for example, neutral position) in the advancing/retreating direction.
- the protrusion 550a of the power transmission portion 550 can be accurately engaged with the first engagement portion 11a of the slider 10 of the drape unit 1 (FIG. 11B). reference).
- FIG. 12A and 12B are perspective views illustrating reattachment of the covered drape unit and attachment of the surgical instrument.
- the locking cover 300 is removed. Since the first engagement portion 11a of the slider 10 and the protrusion 550a of the power transmission portion 550 are engaged with each other even when the locking cover 300 is removed, the position of the slider 10 does not shift.
- the locking cover 300 can be easily removed along the XY plane.
- the holding portion 314 is provided in a cantilever shape with a notch in the X direction with respect to the main body portion 311 . Therefore, for example, by hooking one holding portion 314 with a thumb and pulling it up along the XY plane, the other holding portion 314 can be rotated as a fulcrum to be removed. This allows the locking cover 300 to be easily removed with one hand.
- the surgical instrument 100 is attached to the separator body 20 of the drape unit 1, as shown in FIG. 12B.
- the second engaging portions 12a of the respective sliders 10 are aligned in the X direction. Accordingly, by fitting the body 110 of the surgical instrument 100 by sliding it in the X direction, the surgical instrument 100 can be attached at an accurate position (see FIG. 3).
- the locking cover 300 when reattaching the drape unit 1, the locking cover 300 is attached to the drape unit 1 once removed from the mounting portion 520, the locking cover 300 is temporarily held, and the locking cover 300 is slid. , all the sliders 10 can be aligned at a predetermined position (for example, a neutral position) with respect to the separator body 20 . As a result, the position of the slider 10 that has become free due to the removal of the drape unit 1 can be held in a state of being aligned with the position necessary for reattachment, and the drape unit 200 with cover can be held at the attachment portion. 520, the first engagement portion 11a of the slider 10 and the protrusion 550a of the power transmission portion 550 can be engaged accurately and in a short time. Therefore, it is possible to reattach the drape unit 1 while maintaining hygiene without touching the drape unit 1 unnecessarily.
- a predetermined position for example, a neutral position
- FIG. 13 is a perspective view showing another example of the locking cover.
- FIG. 14 is a plan view showing another example of the locking cover.
- FIG. 15 is a bottom view showing another example of the locking cover.
- FIG. 16 is a right side view showing another example of the locking cover.
- FIG. 17 is a front view showing another example of the locking cover.
- the left side view is symmetrical with the right side view and the rear view is symmetrical with the front view.
- extension portions 314a are provided on holding portions 314 provided at both ends of the body portion 311 in the width direction.
- the extending portion 314a is provided to extend from the corner of the holding portion 314 in the X direction.
- extension portions 314a are provided that extend outward in the X direction from the corners of the respective holding portions 314 .
- the extending length of the extending portion 314a may be such that a finger can be easily hooked thereon.
- a specific example of the extension length of the extension portion 314a is 1 mm or more and 5 mm or less, and a more specific example is 2 mm or more and 3 mm or less.
- the extending portion 314a may be provided all over the holding portion 314 in the Z direction, or may be provided in a part of the holding portion 314 in the Z direction.
- the extending portion 314a when removing the locking cover 300 attached to the mounting portion 520 of the medical robot 500, the extending portion 314a of one of the holding portions 314 is hooked, for example, with a thumb to move the XY plane. , the locking cover 300 can be easily removed by rotating with the other holding portion 314 as a fulcrum.
- the clean area and the unclean area can be sufficiently separated, and the drape unit interposed between the medical robot and the surgical instrument can be reattached accurately and in a short time. It is possible to provide the covered drape unit 200, the locking cover 300, and the medical robot 500 that can be completely attached in one step.
- the present invention is not limited to these examples.
- the number of sliders 10 is not limited.
- forceps is shown as the treatment portion 130 of the surgical instrument 100, the treatment portion 130 other than forceps may be used.
- additions, deletions, and design changes made by those skilled in the art to the above-described embodiments, and combinations of features of the configuration examples of the embodiments, are also included in the gist of the present invention. is included in the scope of the present invention as long as it has
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Abstract
Description
ドレープユニットは、動力伝達部に係合する第1係合部と、術具の可動部に係合する第2係合部とを有して、動力伝達部から受けた動力を可動部に伝えるスライダと、スライダの一部を挿通させる貫通孔を有し医療用ロボットに対して脱着可能に装着されるセパレータ本体と、を備える。
係止カバーは、貫通孔の全体を覆うことが可能な本体部と、本体部のセパレータ本体に対する相対位置を脱着可能に保持する保持部と、本体部とスライダとの相対位置を保持するように本体部に設けられ第2係合部に係合可能なスライダ保持部と、を備える。
図1は、本実施形態に係る医療用ロボットおよびドレープユニットを例示する斜視図である。
図2は、術具の装着状態を例示する斜視図である。
図3は、ドレープユニットへの術具の取り付けを例示する斜視図である。
図4は、医療用ロボットの駆動部分を例示する平面図である。
図5は、本実施形態に係るドレープユニットの分解斜視図である。
図6は、本実施形態に係るドレープユニットの構成を例示する断面図である。
図6には、ドレープユニット1のYZ断面が示される。説明の都合上、図6には、ドレープユニット1の断面図のほか、医療用ロボット500の動力伝達部550および術具100の可動部150についてドレープユニット1と分離した状態の断面図も示される。
スライダ10は、動力伝達部550から動力を受ける第1可動部分11と、術具100の可動部150へと動力を伝達する第2可動部分12と、第2可動部分12から進退方向(Z方向)に延在する第3可動部分13とを有する。
第1固定部分21にはスライダ10の第1可動部分11を挿通させる第1開口21hが設けられ、第2固定部分22にはスライダ10の第2可動部分12を挿通させる第2開口22hが設けられる。Y方向にみて第1開口21hと第2開口22hとが重なる領域が貫通孔20hである。第1開口21hおよび第2開口22hはそれぞれZ方向に延在する長孔になっており、長孔の範囲内でスライダ10のZ方向の進退動作を案内する。
図7は、カバー付ドレープユニットを例示する斜視図である。
図8Aは、カバー付ドレープユニットを例示する分解斜視図であり、図8Bは、図8AのA部拡大図である。
図9Aおよび図9Bは、係止カバーを例示する図である。図9Aには係止カバー300を裏面からみた平面図が示され、図9Bには係止カバーの断面図が示される。
係止カバー300は、本体部311と、保持部314と、スライダ保持部313a、313bおよび313cとを備える。なお、スライダ保持部313a、313bおよび313cを区別せずに総称するときはスライダ保持部313ということにする。
図10Aから図11Bは、ドレープユニットの再装着の方法を例示する模式図である。
先ず、図10Aに示すように、ドレープユニット1を装着部520から外した状態で、スライダ10をセパレータ本体20の一方側の端まで移動させる。ドレープユニット1が装着部520から外れている状態ではスライダ10と動力伝達部550とは係合していないため、スライダ10はフリーとなっている。したがって、例えばセパレータ本体20の先端側を下に向けることでスライダ10は自重で下に移動し、貫通孔20hに沿って一番下まで移動することになる。
図12Aに示すように、カバー付ドレープユニット200を医療用ロボット500の装着部520に再装着した後は、係止カバー300を取り外す。係止カバー300を取り外しても、スライダ10の第1係合部11aと動力伝達部550の突起部550aとが係合しているため、スライダ10の位置がずれることはない。ここで、係止カバー300は、XY面に沿って取り外しやすいようになっている。このため、保持部314は本体部311に対してX方向に切れ込みが設けられた片持ち状に設けられている。したがって、例えば一方の保持部314を親指で引っ掛けてXY面に沿って引き上げることで、他方の保持部314を支点として回転するように取り外すことができる。これにより、片手でも容易に係止カバー300を取り外すことができる。
図13は、係止カバーの他の例を示す斜視図である。
図14は、係止カバーの他の例を示す平面図である。
図15は、係止カバーの他の例を示す底面図である。
図16は、係止カバーの他の例を示す右側面図である。
図17は、係止カバーの他の例を示す正面図である。
係止カバー300の他の例において、左側面図は右側面図と対称であり、背面図は正面図と対称である。
10 スライダ
11 第1可動部分
11a 第1係合部
12 第2可動部分
12a 第2係合部
13 第3可動部分
20 セパレータ本体
20h 貫通孔
20s 側面
21 第1固定部分
21h 第1開口
22 第2固定部分
22h 第2開口
25 収容部
40 ジョイント部材
50 ドレープ
51 第1ドレープ
52 第2ドレープ
100 術具
110 本体
120 シャフト
130 処置部
150 可動部
150a 可動部突起部
160 ワイヤ
200 カバー付ドレープユニット
300 係止カバー
311 本体部
311a 突起
312 凸部
313,313a,313b,313c スライダ保持部
314 保持部
314a 延出部分
411 係止受容部
421 初期受容部
431 案内部
441 係止壁
500 医療用ロボット
510 多自由度アーム
511 アクチュエータ部
512 制御部
512a 取付時制御部
520 装着部
550 動力伝達部
550a 突起部
Claims (11)
- 術具(100)を保持する医療用ロボット(500)と前記術具(100)との間に配置されて前記術具(100)と前記医療用ロボット(500)とを分離するとともに、前記術具(100)に設けられた可動部(150)に前記医療用ロボット(500)が備える動力伝達部(550)からの進退方向の動力を伝達するドレープユニット(1)と、前記ドレープユニット(1)に再装着可能な係止カバー(300)と、を備えるカバー付ドレープユニット(200)であって、
前記ドレープユニット(1)は、
前記動力伝達部(550)に係合する第1係合部(11a)と、前記術具(100)の前記可動部(150)に係合する第2係合部(12a)とを有して、前記動力伝達部(550)から受けた前記動力を前記可動部(150)に伝えるスライダ(10)と、
前記スライダ(10)の一部を挿通させる貫通孔(20h)を有し前記医療用ロボット(500)に対して脱着可能に装着されるセパレータ本体(20)と、を備え、
前記係止カバー(300)は、
前記貫通孔(20h)の全体を覆うことが可能な本体部(311)と、
前記本体部(311)の前記セパレータ本体(20)に対する相対位置を脱着可能に保持する保持部(314)と、
前記本体部(311)と前記スライダ(10)との相対位置を保持するように前記本体部(311)に設けられ前記第2係合部(12a)に係合可能なスライダ保持部(313a,313b,313c)と、
を備えることを特徴とするカバー付ドレープユニット。 - 前記本体部(311)が光透過性を有し、前記係止カバー(300)が前記セパレータ本体(20)に保持されている状態で、前記スライダ(10)の前記セパレータ本体(20)に対する相対位置を視認可能である、請求項1に記載のカバー付ドレープユニット。
- 前記保持部(314)は前記セパレータ本体(20)側に突出する凸部(312)を有し、
前記ドレープユニット(1)は、前記凸部(312)を受容して、前記凸部(312)の前記進退方向の動きを規制する係止受容部(411)を有し、
前記係止受容部(411)において前記係止カバー(300)が保持されたときに、前記スライダ保持部(313)により相対位置が保持された前記スライダ(10)は、前記第1係合部(11a)において前記動力伝達部に係合可能である、請求項1または請求項2に記載のカバー付ドレープユニット。 - 前記ドレープユニット(1)は、
前記凸部(312)を受容して前記係止カバー(300)を仮保持する初期受容部(421)と、
前記初期受容部(421)から前記係止受容部(411)へと前記進退方向に前記凸部(312)を案内する案内部(431)と、を有し、
前記係止受容部(411)には、前記案内部(431)に導かれて前記凸部(312)が前記進退方向の一方に移動することを許容するが、前記進退方向の他方の移動を規制する係止壁(441)が設けられている、請求項3に記載のカバー付ドレープユニット。 - 前記初期受容部(421)において前記係止カバー(300)が仮保持されたときに、前記貫通孔(20h)の前記進退方向の一方側の端まで移動した前記スライダ(10)の前記第2係合部(12a)に、前記スライダ保持部(313)は係合可能とされた、請求項4に記載のカバー付ドレープユニット。
- 前記係止カバー(300)の概形は、所定の断面を対称面とする対称形状を有する、請求項1から請求項5のいずれか1項に記載のカバー付ドレープユニット。
- 前記係止カバー(300)を前記ドレープユニット(1)に装着した状態において、前記対称面は、前記ドレープユニット(1)の進退方向に沿った方向を含む面からなる、請求項6に記載のカバー付ドレープユニット。
- 前記係止カバー(300)を前記ドレープユニット(1)に装着した状態において、前記対称面は、前記ドレープユニット(1)の進退方向に直交する面からなる、請求項6または請求項7に記載のカバー付ドレープユニット。
- 少なくとも一つの前記スライダ保持部(313a,313b,313c)は、前記対称面により等分割される、請求項6から請求項8のいずれか1項に記載のカバー付ドレープユニット。
- 請求項1から請求項9のいずれか1項に記載されるカバー付ドレープユニット(200)が備える係止カバー(300)であって、
前記貫通孔(20h)の全体を覆うことが可能な本体部(311)と、
前記本体部(311)の前記セパレータ本体(20)に対する相対位置を脱着可能に保持する保持部(314)と、
前記本体部(311)と前記スライダ(10)との相対位置を保持するように前記本体部(311)に設けられ前記第2係合部(12a)に係合可能なスライダ保持部(313a,313b,313c)と、
を備えることを特徴とする係止カバー。 - 請求項1から請求項9のいずれか1項に記載されるカバー付ドレープユニット(200)が備えるドレープユニット(1)が術具(100)との間に配置されて前記術具(100)に進退方向の動力を伝える医療用ロボット(500)であって、
前記ドレープユニット(1)は、
前記動力伝達部(550)に係合する第1係合部(11a)と、前記術具(100)の前記可動部(150)に係合する第2係合部(12a)とを有して、前記動力伝達部(550)から受けた前記動力を前記可動部(150)に伝えるスライダ(10)と、
前記スライダ(10)の一部を挿通させる貫通孔(20h)を有し前記医療用ロボット(500)に対して脱着可能に装着されるセパレータ本体(20)と、を備え、
前記ドレープユニット(1)が取り付けられるときに、前記動力伝達部(550)が進退方向の所定の位置に保持されるように、前記動力伝達部(550)を駆動するアクチュエータ部(511)を制御する取付時制御部(512a)を有することを特徴とする医療用ロボット(500)。
Priority Applications (5)
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EP21960548.2A EP4382069A4 (en) | 2021-10-11 | 2021-10-11 | DRAPE UNIT WITH COVER, BARRIER COVER AND MEDICAL ROBOT |
CN202180101617.0A CN117835936B (zh) | 2021-10-11 | 带罩子的包覆部件、卡定罩以及医疗用机器人 | |
JP2022502605A JP7169715B1 (ja) | 2021-10-11 | 2021-10-11 | カバー付ドレープユニット、係止カバーおよび医療用ロボット |
PCT/JP2021/037588 WO2023062687A1 (ja) | 2021-10-11 | 2021-10-11 | カバー付ドレープユニット、係止カバーおよび医療用ロボット |
US18/600,386 US20240261042A1 (en) | 2021-10-11 | 2024-03-08 | Drape unit with cover, locking cover, and medical robot |
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JPWO2023062687A1 (ja) | 2023-04-20 |
US20240261042A1 (en) | 2024-08-08 |
EP4382069A4 (en) | 2024-09-11 |
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