WO2023105675A1 - ドレープ - Google Patents
ドレープ Download PDFInfo
- Publication number
- WO2023105675A1 WO2023105675A1 PCT/JP2021/045105 JP2021045105W WO2023105675A1 WO 2023105675 A1 WO2023105675 A1 WO 2023105675A1 JP 2021045105 W JP2021045105 W JP 2021045105W WO 2023105675 A1 WO2023105675 A1 WO 2023105675A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- drape
- attachment
- separator
- adhesive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/0075—Means for protecting the manipulator from its environment or vice versa
- B25J19/0083—Means for protecting the manipulator from its environment or vice versa using gaiters
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- 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 drape that separates a medical robot and a surgical instrument.
- Surgical tools that come into direct contact with the patient are generally designed to be sterilizable in consideration of repeated use, but medical robots equipped with a mechanism to move the surgical tools are composed of electric and electronic components. are generally not sterilized because they are not sterilization resistant. Therefore, in surgery using a medical robot, the side of the medical robot is covered with a drape that has a soft and flexible sheet, and the inside (non-clean area) covered by the drape and the surgical instruments exposed from the drape are positioned. The area to be cleaned (clean area) is separated to maintain the respective environments of the clean area and the non-clean area.
- US Pat. No. 6,200,003 discloses a surgical robotic drape for covering a surgical robotic arm that includes a drive for providing drive to surgical instruments.
- the drape comprises a cover for covering the robotic arm and defining a sterile boundary thereon, and an interface element attached to the cover.
- Patent Document 2 discloses a surgical robot drape for covering a portion of a surgical robot.
- the drape comprises a cover overlying a drive of a surgical robot to define a sterile boundary thereon, and a plurality of interface elements.
- Patent Document 3 it is possible to reduce the possibility that the drape that covers the rotating member, the fixed member, the holding body, the arm portion, etc. is torn when the insertion member is rotated, and the clean area and the non-clean area can be reduced.
- a bearing structure is disclosed that can reliably maintain the separation of the regions.
- Patent Document 4 discloses a drape for a surgical robot that covers joints of the surgical robot.
- the drape comprises a proximal drape member forming a sterile barrier over a portion of the robot proximal to the joint and secured for rotation therewith, and a proximal drape member distal to the robot joint. and a distal drape section forming a sterility barrier over the site and secured for rotation therewith.
- a drape that separates such a clean area from a non-clean area may be provided with an attachment that transmits the operation of the drive mechanism of the medical robot to the member on which the surgical tool is provided.
- the attachment is attached to a predetermined position on the robot, but there is concern that the flexible sheet, which is continuous with the attachment, may get caught between the attachment and the robot during this attachment. If such pinching occurs, the attachment may be fixed improperly or the drape sheet may be damaged.
- An object of the present invention is to provide a drape that can prevent the drape sheet from being pinched when the drape is attached to a medical robot, thereby preventing the attachment from being improperly fixed and the drape sheet from being damaged.
- one aspect of the present invention is a drape that covers a medical robot, and includes an attachment attached to a connecting portion of the medical robot, and a drape that is provided inseparably from the attachment and has flexibility. a sheet that covers the medical robot; and a pinch prevention part that is provided on the attachment and prevents the sheet from being pinched between the attachment and the connection part.
- the flexibility of the anti-pinch part is higher than that of the attachment and lower than that of the sheet. In this way, by providing the pinch prevention portion with appropriate flexibility, it is possible to prevent the sheet from coming too close to the attachment.
- the pinch prevention portion preferably has translucency. This makes it possible to refer to the state of attachment between the attachment and the connecting portion via the pinch prevention portion.
- the anti-pinch part is provided with a plate-like body having an extension portion extending outward from the outer surface of the attachment. With such a plate-like body, it is possible to prevent the sheet from being pinched in the region outside the outer surface of the attachment.
- the plate-like body is preferably inseparably attached to the sheet in a region including the end of the extending portion.
- the first adhesion layer is provided on at least a part of the outer surface of the pinch prevention part, and the sheet and the pinch prevention part are inseparably adhered by the first adhesion layer. Since the sheet and the pinch prevention section are inseparably attached by the first adhesive layer, the clean area and the non-clean area can be reliably separated between the sheet and the pinch prevention section. It can be carried out.
- the anti-pinch part includes a plate-like body having a portion extending outward from the outer surface of the attachment, and the first adhesion layer is provided on one main surface of the plate-like body. preferably extends to the end of the extending portion of the .
- the first adhesive layer adheres the sheet and the plate-like body to the ends of the extending portions, so that the clean area and the non-clean area can be reliably separated.
- the drape has a second adhesive layer provided on the opposite side of the sheet to which the first adhesive layer is attached, and the sheet has a pinched portion sandwiched between the first adhesive layer and the second adhesive layer. is preferred. In this way, the sheet is sandwiched between the first adhesive layer and the second adhesive layer by the sandwiching portion, so that the clean area and the non-clean area can be reliably separated.
- the attachment is positioned on the side of the second adhesive layer opposite to the side facing the sheet. Thereby, the attachment is adhered by the second adhesive layer, and separation of clean and non-clean areas can be ensured between the attachment and the sheet.
- a cover film for protecting the second adhesive layer is provided on the side opposite to the side facing the sheet in the second adhesive layer.
- the holding portion may include the folded portion of the sheet.
- the sheet including the folded portion of the sheet is sandwiched between the first adhesive layer and the second adhesive layer, and the clean area and the non-clean area can be reliably separated.
- the drape covers a medical robot having a holder at the end of an arm that detachably and rotatably holds a member to be inserted into a patient. and a ring-shaped rotating member that is slidably rotatably attached to the stationary member with the holder inserted therein and that is rotatable together with the holder.
- the seat includes a first seat that is attached to the fixed member and covers the arm, and a second seat that is attached to the rotating member and covers the holder and is rotatable together with the rotating member.
- the anti-pinch portion is provided on the outer circumference of the fixing member. Accordingly, when the first sheet is put on the holder provided at the tip of the arm of the medical robot, the sheet can be prevented from being caught in the outer periphery of the fixing member by the pinch prevention portion.
- the anti-pinch part is a plate-like body extending away from the rotating member.
- a plate-like body can prevent the sheet from being caught in the area around the rotating member.
- the rotating member has a concave portion on its outer periphery, in which an adhesive layer is arranged to inseparably attach the rotating member and the second sheet.
- an adhesive layer is arranged to inseparably attach the rotating member and the second sheet.
- the attachment is arranged between the medical robot that holds the insertion member into the patient and the insertion member, separates the insertion member from the medical robot, and attaches the medical device to the movable portion provided on the insertion member.
- the separator has a separator that transmits forward and backward power from the power transmission section of the robot, and the separator has a first engagement section that engages with the power transmission section and a second engagement section that engages with the movable section of the insertion member. and a separator body having a through hole through which part of the slider is inserted and detachably attached to the medical robot. , provided.
- the sheet has a first adhesion layer provided on the side facing the separator main body of the pinch prevention portion and a second adhesion layer provided on the side opposite the pinch prevention portion of the separator main body, wherein the sheet is It is preferred to have a sandwiched portion sandwiched between the first adhesion layer and the second adhesion layer. In this way, the sheet is sandwiched between the first adhesive layer and the second adhesive layer by the sandwiching portion, so that the clean area and the non-clean area can be reliably separated.
- the anti-pinch part has an opening, and the sheet preferably adheres to the first adhesive layer so as not to cover the opening. As a result, the sheet is attached so as not to cover the through hole of the pinch prevention portion.
- the anti-pinch part is made of a plate-like body. Accordingly, it is possible to prevent the sheet from being pinched by the plate-like body.
- the portion of the plate-like body positioned around the slider does not have a portion that protrudes inward from the main surface of the plate-like body beyond the separator body when viewed from the normal direction. is preferred. As a result, the effect of preventing the sheet from being pinched can be obtained without extending the plate-like body more than necessary.
- the present invention it is possible to provide a drape that can prevent attachment fixation failure and drape damage by avoiding pinching of the drape sheet when attaching the drape to a medical robot.
- FIG. 1 is a perspective view illustrating the configuration of a medical robot
- FIG. FIG. 10 is a perspective view illustrating a mounted state of the insertion member
- FIG. 4 is a plan view illustrating a drive portion of the medical robot
- FIG. 4 is a cross-sectional view illustrating a connection configuration via a separator
- 1 is an exploded perspective view illustrating a schematic configuration of an arm tip side of a medical robot
- FIG. 4 is an exploded perspective view illustrating the configuration of the bearing structure
- (a) and (b) are diagrams illustrating the configuration of the drape. It is a perspective view which illustrates a pinch prevention part.
- (a) and (b) are schematic cross-sectional views illustrating an anti-pinch portion.
- FIG. 5 is a schematic cross-sectional view illustrating a connecting portion between the second seat and the rotating member;
- FIG. 10 is a plan view illustrating the opening of the second sheet and the pinch prevention portion;
- FIG. 10 is a perspective view illustrating a state before adhesion between the second sheet and the separator;
- FIG. 10 is a perspective view illustrating a state after the second sheet and the separator are adhered;
- FIG. 4 is a schematic diagram illustrating connection between a first sheet and a second sheet;
- FIG. 4 is a perspective view illustrating an attachment portion of the first sheet;
- XYZ coordinates are shown as reference coordinates.
- the Z1-Z2 direction is referred to as the up-down direction
- the X1-X2 direction is referred to as the front-rear direction
- the Y1-Y2 direction is referred to as the left-right direction.
- the X1-X2 direction and the Y1-Y2 direction are perpendicular to each other, and the XY plane containing them is perpendicular to the Z1-Z2 direction.
- a state viewed from the upper side (Z1 side) to the lower side (Z2 side) is sometimes called a planar view.
- FIG. 1 is a perspective view illustrating the configuration of a medical robot.
- FIG. 2 is a perspective view illustrating a mounted state of the insertion member.
- FIG. 3 is a plan view illustrating the driving portion of the medical robot.
- FIG. 4 is a cross-sectional view illustrating a connection configuration via a separator.
- the medical robot 500 has an arm section 510 that is a manipulator that can be remotely controlled and that can change its orientation and angle.
- a holder 21 is provided at the tip of the arm portion 510 .
- the holder 21 and the separator 22 of the attachment 20 arranged to cover the holder 21 extend forward from the front end of the holder 21 .
- the insertion member 100 (see FIG. 2) to be inserted into the patient's body to be treated by the medical robot 500 is detachably attached to the holder 21 by the separator 22 .
- the posture of the insertion member 100 is changed according to the change in the orientation and angle of the arm portion 510 .
- Examples of the insertion member 100 include a treatment tool used for surgery and an endoscope.
- the insertion member 100 includes a main body 110, a shaft 120 extending from the main body 110, and a treatment section 130 provided at the distal end of the shaft 120 (the end opposite to the main body 110).
- the treatment unit 130 is, for example, forceps. 2 shows a state in which the separator 22 of the attachment 20 is attached to the insertion member 100, the separator 22 of the attachment 20 is first attached to the holder 21 of the medical robot 500 as shown in FIG. 22 is attached, and the insertion member 100 is attached to the separator 22 in the attached state.
- the insertion member 100 attached to the medical robot 500 is sterilized and placed in a clean area on the operating room side.
- the medical robot 500 is placed in a non-clean area that is not as clean as the insertion member 100 . Therefore, during treatment, the medical robot 500 is covered with the sheet 50 of the drape 1 (see the broken line in FIG. 1) to separate the clean area and the non-clean area.
- the drape 1 is also sterilized.
- the drape 1 has an attachment 20 having a separator 22 and a flexible sheet 50 .
- the seat is provided inseparably from the attachment 20 . Details of the drape 1 will be described later.
- 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 insertion member 100 .
- a power transmission section 550 is connected to the actuator section 511 to transmit a driving force in the longitudinal direction (X1-X2 direction) to the attachment 20 .
- 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 unit 550 (see FIG. 2) in the X direction and the arrangement position of the power transmission unit 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 main body 110 of the insertion member 100 is fitted into the separator 22 attached to the holder 21 by sliding it in the Y direction, for example.
- a movable portion 150 is provided that is connected to the treatment portion 130 by a wire 160 and is capable of performing a predetermined movement (for example, movement in the front-rear direction). It can be transmitted from the slider 223 of the separator 22 to the movable portion 150 of the insertion member 100 to operate the treatment portion 130 through the wire 160 (for example, opening and closing operation of forceps). That is, the separator 22 transmits the power in the advancing/retreating direction from the power transmitting portion 550 provided in the medical robot 500 to the movable portion 150 provided in the insertion member 100 .
- the separator 22 has a separator body 221 and a slider 223.
- the separator main body 221 is provided with a through hole 20h through which a part of the slider 223 is inserted, and is detachably attached to the medical robot 500 .
- the slider 223 is provided slidably in the front-rear direction (X1-X2 direction) with respect to the separator body 221 .
- the slider 223 has a first engagement portion 11 that engages with the power transmission portion 550 and a second engagement portion 12 that engages with the movable portion 150 of the insertion member 100 , and receives power from the power transmission portion 550 . is transmitted to the movable portion 150 .
- the first engaging portion 11 of the separator 22 is provided with a concave portion 11a into which the projection portion of the power transmission portion 550 (power side projection portion 550a) is fitted.
- the separator 22 is attached to the holder 21 of the arm portion 510 , the power-side protrusion 550 a of the power transmission portion 550 is fitted into the recess 11 a of the first engaging portion 11 of the slider 223 .
- the power generated when the power transmission portion 550 advances and retreats is transmitted to the first engaging portion 11, and the slider 223 can be moved forward and backward.
- the second engaging portion 12 is provided with a concave portion 12a into which the projection portion (insertion side projection portion 150a) of the movable portion 150 of the insertion member 100 is fitted.
- the insertion-side protrusion 150 a protruding from the back surface of the main body 110 is fitted into the recess 12 a of the second engaging portion 12 .
- the slider 223 and the movable portion 150 of the insertion member 100 are engaged with each other, and the forward and backward movement of the power transmission portion 550 can be transmitted from the slider 223 to the movable portion 150 of the insertion member 100 .
- the power transmission section 550 when the power transmission section 550 is moved back and forth, the power is transmitted from the slider 223 to the movable section 150, and the back and forth movement of the movable section 150 is transmitted to the wire 160, and the treatment section 130 can be operated via the wire 160. can.
- FIG. 5 is an exploded perspective view illustrating the schematic configuration of the arm tip side of the medical robot.
- FIG. 6 is an exploded perspective view illustrating the configuration of the bearing structure.
- the holder 21 and the separator 22 are attached to the arm portion 510 via the switch unit 31, the bearing structure 40, and the bearing member 32 arranged in order from front to back.
- the bearing member 32 is fixed to the arm portion 510 via an annular bearing plate 33 .
- the holder 21 is provided integrally with the switch unit 31 .
- a separator 22 is detachably attached to the holder 21 .
- the bearing member 32 is, for example, a rolling bearing having an outer ring fixed to the arm portion 510 and an inner ring rotatable relative to the outer ring.
- the bearing structure 40 includes a rotating member 41, a fixed member such as a joint member 42, and a base member 43, all of which are ring-shaped.
- the rear portions of the holder 21 and the separator 22 are inserted into the respective members of the bearing structure 40 and are provided integrally with the rotating member 41 .
- the joint member 42 and the base member 43 are detachably attached to each other by fitting to form a fixing member 44 .
- the base member 43 is attached to the arm portion 510 .
- the rotating member 41 is attached to the joint member 42 of the fixed member 44 so as to be slidable along the circumferential direction C. As shown in FIG.
- the base member 43 is preferably made of metal from the standpoint of durability against attachment and detachment to and from the joint member 42.
- metal for example, aluminum or duralumin is used.
- the joint member 42 and the rotating member 41 are preferably made of a resin material from the viewpoint of slidability and durability against sterilization, such as ABS resin, polycarbonate, and polyacetal.
- the holder 21, the separator 22, the switch unit 31, and the rotating member 41 are rotatably supported by the bearing member 32, and are driven by a motor (not shown) to rotate the rotating shaft AX along the longitudinal direction (X1-X2 direction). Rotate around the center.
- a sheet 50 is attached to and detached from the drape 1 via an attachment 20 .
- the base member 43 is fixed to the arm portion 510 side, and the members (the rotating member 41 and the separator 22 ) on the tip side from the joint member 42 are detachable from the base member 43 . Therefore, in this embodiment, the attachment 20 may include the separator 22 , the rotating member 41 and the joint member 42 .
- FIGS. 7A and 7B are diagrams illustrating configurations of drapes.
- FIG. 7(a) shows a side view showing the state before the drape 1 is attached
- FIG. 7(b) shows a side view showing the state where the drape 1 is attached to the holder 21 and the arm portion 510 side. be.
- the medical robot 500 is covered with a drape 1 having a tubular general shape with a plurality of openings during treatment. Even when the medical robot 500 is covered with the drape 1, the insertion member 100 can be attached to and detached from the holder 21, and the holder 21 to which the insertion member 100 is attached can be rotated.
- the drape 1 includes an attachment 20, a sheet 50, and an entrapment prevention portion 70.
- the attachment 20 has the separator 22 previously described. That is, the separator 22 is arranged between the medical robot 500 and the insertion member 100 to separate the insertion member 100 and the medical robot 500, and also the movable portion 150 provided on the insertion member 100 (see FIG. 2). to transmit the power in the front-rear direction from the power transmission unit 550 provided in the medical robot 500 .
- the seat 50 has a first seat 51 fixed to the joint member 42 of the bearing structure 40 and a second seat 52 fixed along the rotating member 41 of the bearing structure 40 .
- the first opening 51a which is the front opening (X1-X2 direction X1 side) of the cylindrical first sheet 51, is fixed along the outer peripheral surface 142d on the rear side of the joint member 42. .
- the first sheet 51 extends rearward from the joint member 42 and covers the surgical robot having the arm portion 510 .
- the fixing member 44 (see FIG. 5) is composed of two parts, the base member 43 fixed to the arm portion 510 and the joint member 42 detachable from the base member 43, the joint member 42 By attaching the first seat 51 , the first seat 51 can be easily attached to and detached from the arm portion 510 .
- the separator 22 is connected to the front opening 52a of the tubular second sheet 52 from its front end 22a to its rear end 22b. As a result, the separator 22 and the second sheet 52 are integrated, and the lower surface of the separator 22 is arranged inside the second sheet 52 .
- the rear opening 52b of the second seat 52 is fixed along the outer peripheral surface 141 of the rotating member 41.
- the separator 22 and the rotating member 41 are attached to the arm portion 510 .
- the holder 21 and the switch unit 31 are inserted into the rotating member 41, and the separator 22 is attached on the upper surface 21b of the holder 21.
- the holder 21 is covered with the second sheet 52 from the front end portion 21a positioned forward of the front end portion 22a of the separator 22, the front surface and the bottom surface thereof, and the upper surface 21b. is covered by the separator 22 .
- the second sheet 52 rotates integrally with the rotating member 41 , the separator 22 and the holder 21 when the rotating member 41 rotates relative to the fixed member 44 .
- the pinch prevention portion 70 is provided inseparably from the attachment 20 and has flexibility. As described above, when the medical robot 500 is covered with the drape 1, the flexible sheet 50 is likely to be sandwiched between the attachment 20 and the connecting portion.
- the pinch prevention part 70 according to the present embodiment effectively prevents the flexible sheet 50 from being pinched between the attachment 20 and the connecting part when the medical robot 500 is covered with the drape 1 .
- FIG. 8 is a perspective view illustrating an anti-pinch portion.
- FIGS. 9A and 9B are schematic cross-sectional views illustrating an anti-pinch portion.
- 9A shows a cross-sectional view of the A portion of FIG. 8 viewed in the Y1 direction
- FIG. 9B shows a cross-sectional view of the B portion of FIG. 8 viewed in the X2 direction.
- the anti-pinch part 70 is provided at a position corresponding to the connecting portion between the arm part 510 and the drape 1 .
- the joint member 42 to which the first sheet 51 is connected is provided with the first pinch prevention portion 71 .
- the separator 22 to which the second sheet 52 is connected is provided with the second pinch prevention portion 72 .
- the joint member 42 to which the first sheet 51 is connected is fitted to the base member 43 .
- the first pinch prevention portion 71 prevents the first sheet 51 from being pinched between the joint member 42 and the base member 43 .
- the second sheet 52 is positioned between the separator 22 and the holder 21 and the second sheet 52 is positioned between the separator 22 and the switch unit 31 .
- the second pinch preventing portion 72 prevents the object from being pinched.
- both the first anti-pinch part 71 and the second anti-pinch part 72 are provided, either one of them may be provided.
- the second pinch prevention portion 72 includes a plate-like body 721 having an extension portion extending outward from the outer surface of the separator 22 .
- the separator 22 has a separator body 221 that abuts against the holder 21 , and an upright portion 222 that rises from the separator body 221 on the rear end side of the separator body 221 .
- the second pinch prevention portion 72 has a first plate-like body 7211 extending outward from the separator main body 221 and a second plate-like body 7212 extending outward from the standing portion 222 .
- the material of the plate-like body 721 is, for example, PET (polyethylene terephthalate).
- a first plate-like body 7211 facing the separator main body 221 and a second plate-like body 7212 facing the standing portion 222 are formed by bending a portion of the flat plate-like body 721 .
- the flexibility of the second pinch prevention portion 72 is higher than that of the attachment 20 and lower than that of the sheet 50 (second sheet 52).
- the first plate-like body 7211 extends outward from the edge of the separator main body 221 and the second plate-like body 7212 extends outward from the edge of the standing portion 222, thereby forming the first plate-like body.
- the extending portions of the body 7211 and the second plate-like body 7212 serve as a wing-like support and restrain the second sheet 52 from approaching the separator 22 .
- the soft second sheet 52 may come close to the edge of the separator 22 , or the separator 22 may be stuck between the separator 22 and the holder 21 or the separator 22 may become loose. and the switch unit 31 can be suppressed.
- the first plate-like body 7211 prevents the second sheet 52 from approaching the edge of the separator body 221 , and the second sheet 52 prevents the separation between the separator body 221 and the holder 21 . Avoid being caught in between.
- the second plate-like body 7212 prevents the second sheet 52 from approaching the edge of the standing portion 222 , so that the second sheet 52 is connected to the standing portion 222 and the switch unit 31 . It prevents being caught between the unit 31. - ⁇ Furthermore, when the separator 22 is connected to the switch unit 31, the second plate-like body 7212 extends away from the rotating member 41. Therefore, when the holder 21 and the attachment 20 rotate, the surroundings of the rotating member 41 are displaced. It is possible to prevent the second sheet 52 from being caught in the area.
- At least the extending portion of the plate-like body 721 of the second pinch prevention portion 72 preferably has translucency.
- the plate-like body 721 is inseparably attached to the second sheet 52 in a region including the ends of the extending portions.
- the plate-like body 721 is attached by the second sheet 52 and the first adhesive layer 81 .
- the first adhesion layer 81 is, for example, double-sided tape.
- the first adhesive layer 81 is provided on at least part of the outer surface of the plate-like body 721 of the second pinch prevention portion 72 . Since the second sheet 52 and the second pinch prevention portion 72 are inseparably adhered by the first adhesive layer 81 , a clean area and a non-clean area are formed between the second sheet 52 and the second pinch prevention portion 72 . Separation from the clean area can be ensured.
- the first adhesion layer 81 is provided on one main surface of the plate-like body 721 and extends to the inner end of the extending portion of the plate-like body 721 .
- the second sheet 52 and the plate-like body 721 are adhered by the first adhesive layer 81 to the ends of the extending portions, so that the clean area and the non-clean area can be separated more reliably.
- a second adhesion layer 82 is provided so as to cover at least a portion of the portion of the second sheet 52 that is adhered to the first adhesion layer 81 . That is, the second adhesive layer 82 is provided on the side of the second sheet 52 opposite to the side on which the first adhesive layer 81 is provided.
- the second adhesion layer 82 is, for example, double-sided tape.
- the second sheet 52 has a sandwiched portion 521 (see FIG. 9B) that is sandwiched between the first adhesive layer 81 and the second adhesive layer 82 . Then, the second sheet 52 is attached to the separator 22 of the attachment 20 by the second adhesive layer 82 at the pinching portion 521 .
- the separator 22 of the attachment 20 is adhered to the side of the second adhesive layer 82 opposite to the side facing the second sheet 52 .
- the second sheet 52 is sandwiched between the first adhesive layer 81 and the second adhesive layer 82 by the sandwiching portion 521, so that the clean area and the non-clean area can be reliably separated.
- the pinching portion 521 may include the folded portion of the second sheet 52 .
- the second sheet 52 has a folded portion extending from the separator body 221 of the separator 22 to the standing portion 222 . It is preferable that the holding portion 521 is also provided at the folded portion of the second sheet 52 facing the standing portion 222 .
- the second sheet 52 including the folded portion of the second sheet 52 is sandwiched between the first adhesive layer 81 and the second adhesive layer 82, and the clean area and the non-clean area are reliably separated. can be done.
- the portion of the plate-like body 721 located around the slider 223 (see FIG. 4) of the separator 22 is normal to this portion (Z1-Z2 direction, Z2 direction), it is preferable that there is no portion that protrudes from the separator main body 221 in the main plane direction (XY plane direction) of the plate-like body 721 .
- the lower surface 221b of the separator body 221 (the contact surface with the holder 21) is provided narrower than the upper surface 221a of the separator body 221 (the surface opposite to the contact surface with the holder 21).
- the plate-like body 721 extends outward from the edge of the bottom surface 221 b of the separator body 221 but does not extend outward from the edge of the top surface 221 a of the separator body 221 . Therefore, when the separator 22 is viewed in the Z2 direction of the Z1-Z2 direction, the plate-like body 721 is hidden by the separator main body 221 and cannot be seen.
- the plate-like body 721 extends outward beyond the lower surface 221b of the separator main body 221. As shown in FIG. As a result, the effect of preventing the second sheet 52 from being pinched can be obtained without extending the plate-like body 721 more than necessary.
- FIG. 10 is a schematic cross-sectional view illustrating a connecting portion between the second seat and the rotating member.
- FIG. 10 shows a cross-sectional view of the portion C in FIG. 8 viewed in the Y1 direction.
- the end of the second sheet 52 is connected by a double-sided tape 91 to a recess 41b provided in the outer peripheral surface 141 of the rotating member 41 of the bearing structure 40.
- the recess 41b is provided over the entire circumferential direction of the rotating member 41 . Therefore, the end of the second sheet 52 is connected by the double-faced tape 91 to the entire circumferential direction of the concave portion 41b of the rotating member 41 . Further, the end of the second sheet 52 is fixed by a pressing tape 92 from above. As a result, the second sheet 52 and the rotating member 41 are connected without a gap, and the clean area and the non-clean area can be reliably separated.
- FIG. 11 is a plan view illustrating the opening of the second sheet and the pinch prevention portion.
- FIG. 11 shows the state before attaching the separator 22 to the second sheet 52 .
- a front opening 52a is provided in the central portion of the surface side of the bag-like second sheet 52, and the separator 22 is attached so as to cover the front opening 52a.
- the second pinch prevention portion 72 has a plate-like body 721 shaped to extend outward from the edge of the front opening 52a.
- the second pinch prevention portion 72 is attached to the inner side of the bag of the second sheet 52 . That is, the second anti-pinch part 72 has an opening 72a, and is attached to the inside of the bag of the second sheet 52 by the first adhesive layer 81 so that the opening 72a and the front opening 52a are aligned.
- a second adhesive layer 82 is attached to the outside of the bag of the second sheet 52 so as to border the front opening 52a of the second sheet 52 .
- the second adhesive layer 82 attaches the separator 22 onto the front opening 52 a of the second sheet 52 .
- a cover film 821 for protecting the second adhesive layer 82 is provided on the opposite side of the second adhesive layer 82 to the side facing the second sheet 52. preferably. As a result, it is possible to prevent the second adhesive layer 82 from adhering to unintended locations before the separator 22 and the second sheet 52 are adhered.
- FIG. 12 is a perspective view illustrating the state before adhesion between the second sheet and the separator.
- the second pinch prevention portion 72 is adhered to the inside of the bag of the second sheet 52, and then a part of the rear end side of the second pinch prevention portion 72 is substantially vertically bent. Bend. Since the second anti-pinch part 72 is made of PET, the bent shape of the second anti-pinch part 72 is maintained due to the bending habit of PET. This bent portion faces the standing portion 222 of the separator 22 .
- FIG. 13 is a perspective view illustrating a state after bonding the second sheet and the separator.
- the separator 22 is attached to the second sheet 52 , the flexible second sheet 52 is supported by the second pinch prevention portion 72 and is less likely to be caught behind the separator 22 .
- a ring-shaped rotary member 41 is attached to the rear opening 52 b of the second seat 52 .
- the separator 22 is arranged between the inside and outside of the bag, and the medical robot 500 flows from the inside of the bag through the separator 22 to the outside of the bag. can convey the behavior of
- FIG. 14 is a schematic diagram illustrating the connection between the first sheet and the second sheet.
- the rotating member 41 attached to the rear opening 52 b of the second seat 52 is connected to the joint member 42 of the first seat 51 .
- the rotating member 41 is rotatably connected to the joint member 42 .
- the second sheet 52 side is rotatable, and the holder 21 portion provided at the tip of the arm portion 510 of the medical robot 500 can be rotated. rotates, the second sheet 52 also rotates together with the separator 22, and twisting of the drape 1 can be prevented.
- FIG. 15 is a perspective view illustrating an attachment portion of the first sheet;
- the first opening 51 a of the first sheet 51 is fixed along the outer peripheral surface 142 d of the joint member 42 .
- a first pinch prevention portion 71 is provided between the first sheet 51 and the outer peripheral surface 142 d of the joint member 42 .
- the first pinch prevention portion 71 is provided along the outer peripheral surface 142d of the joint member 42 and is provided so as to extend rearward (in a substantially cylindrical shape). As a result, when the first sheet 51 is put on the holder 21 provided at the tip of the arm portion 510 of the medical robot 500, the first pinch prevention portion 71 prevents the first sheet 51 from being caught on the outer circumference of the joint member 42. can do.
- the first seat 51 is sized to cover the arm portion 510 , it is provided in a large bag-like shape rearward from the joint member 42 .
- the joint member 42 is fitted to the base member 43 with the bag-shaped first sheet 51 covering the arm portion 510 . At this time, the first sheet 51 is easily caught between the joint member 42 and the base member 43 .
- the joint member 42 is provided with the first pinch prevention portion 71, the space between the joint member 42 and the base member 43 is covered by the first pinch prevention portion 71, and the first sheet 51 is covered by the joint member. It is possible to suppress being sandwiched between 42 and base member 43 .
- the flexibility of the first pinch prevention portion 71 is higher than that of the joint member 42 and lower than that of the sheet 50 (first sheet 51).
- the extending portion of the first pinch prevention portion 71 serves as a support, thereby suppressing the approach of the first sheet 51 to the joint member 42 . Therefore, when fitting the joint member 42 to the base member 43 with the sheet 50 covering the medical robot 500 , the soft first sheet 51 may come close to the edge of the joint member 42 , or the joint member 42 and the base member 43 may be separated from each other. It is possible to suppress being sandwiched between.
- At least the extending portion of the first pinch prevention portion 71 preferably has translucency. As a result, when the joint member 42 is fitted to the base member 43, it becomes easier to refer to the fitted state through the first pinch prevention portion 71 having translucency.
- the clean area and the unclean area can be sufficiently separated, and the sheet 50 of the drape 1 can be prevented from being pinched when attaching the drape 1 to the medical robot 500. Insufficient fixation and breakage of the drape 1 can be prevented.
- insertion member 100 may be part of an endoscope.
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Abstract
Description
図1は、医療用ロボットの構成を例示する斜視図である。
図2は、挿入部材の装着状態を例示する斜視図である。
図3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4は、セパレータを介した接続構成を例示する断面図である。
図5は、医療用ロボットのアーム先端側の概略構成を例示する分解斜視図である。
図6は、ベアリング構造の構成を例示する分解斜視図である。
図5に示すように、ホルダ21とセパレータ22は、前方から後方へ順に配置された、スイッチユニット31、ベアリング構造40、および軸受部材32を介してアーム部510に取り付けられる。軸受部材32は、円環状のベアリングプレート33を介してアーム部510に固定される。ホルダ21はスイッチユニット31と一体に設けられる。このホルダ21にセパレータ22が着脱自在に取り付けられる。軸受部材32は、例えば、外輪がアーム部510に固定され、内輪が外輪に対して相対回転可能な転がり軸受である。
次に、ドレープ1の詳細について説明する。
図7(a)および(b)は、ドレープの構成を例示する図である。
図7(a)にはドレープ1を取り付ける前の状態を示す側面図が表され、図7(b)にはドレープ1をホルダ21およびアーム部510側に取り付けた状態を示す側面図が表される。
図7(a)および(b)に示すように、施術の際、医療用ロボット500は複数の開口部を有する筒状の概形を有するドレープ1で覆われる。医療用ロボット500がドレープ1で覆われた状態であっても、挿入部材100をホルダ21に脱着できるとともに、挿入部材100が装着されたホルダ21を回転させることができる。
挟み込み防止部70はアタッチメント20と分離不能に設けられ、可撓性を有している。上記のように、医療用ロボット500をドレープ1で覆う際、可撓性を有するシート50がアタッチメント20と接続部との間に挟まれやすい。本実施形態に係る挟み込み防止部70は、医療用ロボット500をドレープ1で覆う際、可撓性を有するシート50がアタッチメント20と接続部との間に挟まれることを効果的に防止する。
図9(a)および(b)は、挟み込み防止部を例示する模式断面図である。図9(a)には図8のA部をY1向きにみた断面図が示され、図9(b)には図8のB部をX2向きにみた断面図が示される。
第2挟み込み防止部72は、セパレータ22の外面から外方に延出する延出部分を有する板状体721を備えている。例えば、セパレータ22はホルダ21と当接するセパレータ本体221と、セパレータ本体221の後端側においてセパレータ本体221から立ち上がるように設けられた立設部分222とを有する。第2挟み込み防止部72は、このセパレータ本体221から外方に延出する第1板状体7211と、立設部分222から外方に延出する第2板状体7212とを有する。
図10に示すように、第2シート52の端部はベアリング構造40の回転部材41の外周面141に設けられた凹部41bに両面テープ91によって接続される。凹部41bは回転部材41の周方向全体に設けられる。したがって、第2シート52の端部は回転部材41の凹部41bの周方向全体に両面テープ91によって接続される。また、第2シート52の端部は上から押さえ用のテープ92によって固定される。これにより、第2シート52と回転部材41との間は隙間なく接続され、清潔領域と非清潔領域との分離を確実に行うことができる。
図11には、第2シート52にセパレータ22を付着する前の状態が示される。
袋状の第2シート52の表面側の中央部分には前方開口部52aが設けられ、この前方開口部52aに被せるようにセパレータ22が取り付けられる。第2挟み込み防止部72は、前方開口部52aの縁から外方に延出する形状の板状体721を有する。第2挟み込み防止部72は第2シート52の袋の内側に付着している。すなわち、第2挟み込み防止部72は開口部72aを有し、開口部72aと前方開口部52aとを合わせるようにして第2シート52の袋の内側に第1付着層81によって付着している。これにより、第2シート52が第2挟み込み防止部72の開口部72aを覆わないように第2シート52と第2挟み込み防止部72とが接続される。また、第2シート52の袋の外側には、第2シート52の前方開口部52aを縁取るように第2付着層82が付着している。この第2付着層82によってセパレータ22が第2シート52の前方開口部52aの上に取り付けられる。
第2シート52にセパレータ22が取り付けられた状態では、可撓性を有する第2シート52が第2挟み込み防止部72によって支えられ、セパレータ22の裏側へ巻き込まれにくくなっている。
第2シート52の後方開口部52bに取り付けられた回転部材41は、第1シート51のジョイント部材42と連結される。先に説明したように、回転部材41はジョイント部材42に対して回転自在に連結される。これにより、第1シート51と第2シート52とが一体になっていても第2シート52側は回転自在になっており、医療用ロボット500のアーム部510の先端に設けられたホルダ21部分が回転した場合、セパレータ22とともに第2シート52も回転して、ドレープ1の捩れの発生を防止できる。
図15は、第1シートの取り付け部分を例示する斜視図である。
第1シート51の第1開口部51aはジョイント部材42の外周面142dに沿うように固定される。第1シート51とジョイント部材42の外周面142dとの間には第1挟み込み防止部71が設けられる。
11…第1係合部
11a…凹部
12…第2係合部
12a…凹部
20…アタッチメント
20h…貫通孔
21…ホルダ
21a…前端部
21b…上面
22…セパレータ
22a…前端部
22b…後端部
31…スイッチユニット
32…軸受部材
33…ベアリングプレート
40…ベアリング構造
41…回転部材
41b…凹部
42…ジョイント部材
43…ベース部材
44…固定部材
50…シート
51…第1シート
51a…第1開口部
52…第2シート
52a…前方開口部
52b…後方開口部
70…挟み込み防止部
71…第1挟み込み防止部
72…第2挟み込み防止部
72a…開口部
81…第1付着層
82…第2付着層
91…両面テープ
92…テープ
100…挿入部材
110…本体
120…シャフト
130…処置部
141…外周面
142d…外周面
150…可動部
150a…挿入側突起部
160…ワイヤ
221…セパレータ本体
221a…上面
221b…下面
222…立設部分
223…スライダ
500…医療用ロボット
510…アーム部
511…アクチュエータ部
512…制御部
521…挟持部分
550…動力伝達部
550a…動力側突起部
721…板状体
821…カバーフィルム
7211…第1板状体
7212…第2板状体
AX…回転軸
C…周方向
Claims (20)
- 医療用ロボットを覆うドレープであって、
前記医療用ロボットの接続部に装着されるアタッチメントと、
前記アタッチメントと分離不能に設けられ、可撓性を有し、前記医療用ロボットを覆うシートと、
前記アタッチメントに設けられ、前記シートが前記アタッチメントと前記接続部との間に挟まれることを防ぐ挟み込み防止部と、
を備えることを特徴とするドレープ。 - 前記挟み込み防止部の可撓性は、前記アタッチメントよりも高く、前記シートよりも低い、請求項1に記載のドレープ。
- 前記挟み込み防止部は、透光性を有する、請求項1または請求項2に記載のドレープ。
- 前記挟み込み防止部は、前記アタッチメントの外面から外方に延出した延出部分を有する板状体を備える、請求項1から請求項3のいずれか1項に記載のドレープ。
- 前記板状体は、前記延出部分の端部を含む領域において、前記シートに分離不能に付着している、請求項4に記載のドレープ。
- 前記挟み込み防止部の外面の少なくとも一部に第1付着層が設けられ、前記シートと前記挟み込み防止部とは、前記第1付着層により分離不能に付着する、請求項1から請求項3のいずれか1項に記載のドレープ。
- 前記挟み込み防止部は前記アタッチメントの外面から外方に延出した延出部分を有する板状体を備え、前記第1付着層は、前記板状体の一方の主面に設けられ、前記板状体の延出部分の端部まで延在する、請求項6に記載のドレープ。
- 前記シートにおける前記第1付着層が付着した側とは反対側に設けられる第2付着層を有し、前記シートは、前記第1付着層と前記第2付着層とに挟まれた挟持部分を有する、請求項6または請求項7に記載のドレープ。
- 前記第2付着層における前記シートに対向する側と反対側に前記アタッチメントが位置する、請求項8に記載のドレープ。
- 前記第2付着層における前記シートに対向する側と反対側には、前記第2付着層を保護するカバーフィルムが設けられる、請求項8に記載のドレープ。
- 前記挟持部分は、前記シートの折り返し部分を含む、請求項8から請求項10のいずれか1項に記載のドレープ。
- 前記ドレープは、患者への挿入部材を脱着可能かつ回転可能に保持するホルダをアームの先に備える医療用ロボットを覆うものであって、
前記アタッチメントは、
前記ホルダが内部に挿通した状態で、前記アームに対して取り付けられるリング状の固定部材と、
前記ホルダが内部に挿通した状態で、前記固定部材に対して摺動回転可能に取り付けられ、前記ホルダとともに回転可能な、リング状の回転部材と、
を備えるベアリング構造を有し、
前記シートは、
前記固定部材に装着され、前記アームを覆う第1シートと、
前記回転部材に装着され、前記ホルダを覆い、前記回転部材とともに回転可能な第2シートと、
を備える、請求項1から請求項3のいずれか1項に記載のドレープ。 - 前記挟み込み防止部は、前記固定部材の外周に設けられる、請求項12に記載のドレープ。
- 前記挟み込み防止部は前記回転部材から離れる方向に延出する板状体からなる、請求項13に記載のドレープ。
- 前記回転部材は、その外周に、前記回転部材と前記第2シートとを分離不能に付着させる付着層が配置される凹部を有する、請求項12から請求項14のいずれか1項に記載のドレープ。
- 前記アタッチメントは、患者への挿入部材を保持する前記医療用ロボットと前記挿入部材との間に配置されて前記挿入部材と前記医療用ロボットとを分離するとともに、前記挿入部材に設けられた可動部に前記医療用ロボットが備える動力伝達部からの進退方向の動力を伝達するセパレータを有し、
前記セパレータは、
前記動力伝達部に係合する第1係合部と、前記挿入部材の前記可動部に係合する第2係合部とを有して、前記動力伝達部から受けた前記動力を前記可動部に伝えるスライダと、
前記スライダの一部を挿通させる貫通孔を有し前記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、請求項1から請求項3のいずれか1項に記載のドレープ。 - 前記挟み込み防止部の前記セパレータ本体が対向する側に設けられた第1付着層と、前記セパレータ本体の前記挟み込み防止部が対向する側に設けられた第2付着層とを有し、
前記シートは、前記第1付着層と前記第2付着層とに挟まれた挟持部分を有する、請求項16に記載のドレープ。 - 前記挟み込み防止部は開口部を有し、
前記シートは、前記開口部を覆わないように前記第1付着層に付着する、請求項17に記載のドレープ。 - 前記挟み込み防止部は板状体からなる、請求項16から請求項18のいずれか1項に記載のドレープ。
- 前記板状体のうち、前記スライダの周囲に位置する部分は、当該部分を法線方向からみたときに、前記セパレータ本体よりも前記板状体の主面内方向に突出する部分を有しない、請求項19に記載のドレープ。
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| JP2023523046A JP7381159B2 (ja) | 2021-12-08 | 2021-12-08 | ドレープ |
| EP21967174.0A EP4389056A4 (en) | 2021-12-08 | 2021-12-08 | OPERATING FIELD |
| PCT/JP2021/045105 WO2023105675A1 (ja) | 2021-12-08 | 2021-12-08 | ドレープ |
| US18/737,492 US20240326268A1 (en) | 2021-12-08 | 2024-06-07 | Drape |
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| WO2021199413A1 (ja) * | 2020-04-02 | 2021-10-07 | リバーフィールド株式会社 | ベアリング構造、及び、ベアリング構造を備えたドレープユニット |
| JP2021171345A (ja) * | 2020-04-27 | 2021-11-01 | 株式会社メディカロイド | 滅菌ドレープおよび手術支援ロボット |
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| US20240326268A1 (en) | 2024-10-03 |
| EP4389056A4 (en) | 2024-10-02 |
| EP4389056A1 (en) | 2024-06-26 |
| JP7381159B2 (ja) | 2023-11-15 |
| JPWO2023105675A1 (ja) | 2023-06-15 |
| CN118103000B (zh) | 2024-10-29 |
| CN118103000A (zh) | 2024-05-28 |
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