Cutting aids for ultrasonic knives and ultrasonic knife cutting systems

Abstract

The application provides a cutting auxiliary device for an ultrasonic knife and an ultrasonic knife cutting system, and relates to the technical field of medical instruments. The cutting auxiliary device comprises a fixing frame, a moving piece and a driving piece. The fixing frame has a track extending along a preset path. The moving piece comprises a main body, a positioning part for moving along the track, and a mounting part for mounting the ultrasonic knife. The positioning part and the mounting part are arranged on the main body. The driving piece is connected to the fixing frame, and the driving piece has a driving part for connecting with the main body. During the operation, the driving piece can move relative to the fixing frame to drive the main body to move through the driving part, so that the positioning part moves along the track, and the ultrasonic knife moves along the cutting path defined by the track. Since the shape of the track is fixed, when the positioning part moves along the track, the ultrasonic knife can also move along the cutting path defined by the track, thereby ensuring the stability and accuracy of the movement path of the ultrasonic knife.

Description

Technical Field

[0001] This application relates to the field of medical device technology, and in particular to a cutting aid device and an ultrasonic scalpel cutting system for use with an ultrasonic scalpel. Background Technology

[0002] With the rapid development of modern medicine, ultrasonic scalpels have been increasingly used in clinical surgical treatments. The outstanding features of ultrasonic scalpels are precise cutting, safety, tissue selectivity, and low-temperature hemostasis, which greatly enriches the means of surgical procedures and improves the quality of surgical procedures.

[0003] Currently, during craniotomy, surgeons need to hold an ultrasonic scalpel and move it along a cutting path to cut the cranial operculum. However, the cutting path in this procedure is unstable, and precision is difficult to guarantee. Summary of the Invention

[0004] This application aims to at least solve one of the technical problems existing in the prior art. To this end, one object of this application is to provide a cutting auxiliary device and an ultrasonic scalpel cutting system for improving the stability and accuracy of the cutting path.

[0005] An embodiment of the first aspect of this application provides a cutting auxiliary device for an ultrasonic scalpel, comprising: a fixed frame having a track extending along a preset path; a moving member including a main body, a positioning part for moving along the track, and a mounting part for mounting the ultrasonic scalpel, the positioning part and the mounting part being disposed on the main body; and a driving member having a driving part for connecting with the main body; the driving part being used to drive the main body to move, thereby causing the positioning part to move along the track and driving the ultrasonic scalpel to move along the cutting path defined by the track.

[0006] According to the cutting auxiliary device of the above embodiment of this application, the main body is provided with a moving groove extending along a first direction, the driving part is connected in the moving groove, the driving member can rotate relative to the fixed frame, and the driving part can reciprocate relative to the moving groove along the first direction to convert the rotational motion of the driving member into the movement of the positioning part along the track.

[0007] According to the cutting auxiliary device of the above embodiment of this application, the driving part includes a columnar body extending perpendicularly to the main body and a first roller sleeved on the outside of the columnar body; the moving groove includes two opposing first sidewalls and second sidewalls, one end of the columnar body is inserted between the first sidewall and the second sidewall; and the first sidewall has a first groove extending in a first direction, the second sidewall has a second groove opposite to the first groove, and the first roller is rotatably accommodated in the space enclosed by the first groove and the second groove.

[0008] According to the cutting auxiliary device of the above embodiments of this application, a first limiting member and a second limiting member are further sleeved on the columnar body, the first limiting member and the second limiting member are respectively located on both sides of the first roller; the main body has a first surface and a second surface that are arranged opposite to each other, the moving groove passes through the first surface and the second surface, and the first limiting member is in contact with the first surface and the second limiting member is in contact with the second surface.

[0009] According to the cutting auxiliary device of the above embodiment of this application, the first limiting member has a first ball rolling along a first surface, and the second limiting member has a second ball rolling along a second surface.

[0010] According to the cutting auxiliary device of the above embodiment of this application, one end of the moving groove penetrates the main body along a first direction.

[0011] According to the cutting auxiliary device of the above embodiment of this application, the columnar body is further connected to a first wheel and a second wheel arranged opposite to each other in the circumferential direction; the axis of the first wheel coincides with the axis of the second wheel, and the axis of the first wheel, the first direction and the axis of the columnar body are perpendicular to each other; the main body has a first surface, the moving groove is disposed on the first surface, and the first wheel and the second wheel can roll along the first surface.

[0012] According to the cutting auxiliary device of the above embodiments of this application, a first end of the main body is provided with a moving groove and a positioning part, a second end of the main body is provided with an overlapping part, and a mounting part is located between the moving groove and the overlapping part; an overlapping surface is provided on the driving member and / or the fixing frame, the overlapping part overlaps with the overlapping surface, and can move along the overlapping surface.

[0013] According to the cutting auxiliary device of the above embodiment of this application, the driving member is provided with a receiving hole, a portion of the hole wall of the receiving hole forms an overlapping surface, the overlapping surface is arranged parallel to the main body, the overlapping part passes through the receiving hole, and the overlapping part overlaps the overlapping surface and can move along the overlapping surface.

[0014] According to the cutting auxiliary device of the above embodiment of this application, there is a first gap between the fixing frame and the driving member, the overlapping part is disposed in the first gap, and the boundary surface of the first gap constitutes the overlapping surface.

[0015] According to the cutting auxiliary device of the above embodiment of this application, the overlapping part includes a second roller rotatably connected to the main body, and the second roller can roll along the overlapping surface.

[0016] According to the cutting auxiliary device of the above embodiment of this application, the second end of the main body is further provided with two oppositely arranged connecting columns; the moving part also includes a cover, and the end of each connecting column away from the moving groove is connected to the cover, and the second roller is rotatably arranged in the space enclosed by the cover, the main body and the two connecting columns.

[0017] According to the cutting auxiliary device of the above embodiment of this application, the driving member is further provided with a connecting part, the mounting part is located between the connecting part and the driving part, and the connecting part can roll along the surface of the main body provided with a moving groove.

[0018] According to the cutting auxiliary device of the above embodiment of this application, the connecting part includes a connecting rod extending in a direction perpendicular to the main body and a third wheel and a fourth wheel disposed opposite to each other. The third wheel and the fourth wheel are connected to the outer periphery of the connecting rod. The axis of the third wheel coincides with the axis of the fourth wheel, and the axis of the third wheel is perpendicular to the axis of the connecting rod. The third wheel and the fourth wheel can roll along the surface of the main body.

[0019] According to the cutting auxiliary device of the above embodiment of this application, the positioning part includes two positioning rods extending perpendicular to the main body, the two positioning rods being located at both ends of the moving groove perpendicular to the first direction; and one end of the positioning rod is connected to the main body, and the other end has a third roller, the third roller being used to roll along the track.

[0020] According to the cutting auxiliary device of the above embodiments of this application, the track includes an annular groove disposed on the fixed frame, the annular groove includes an inner sidewall, an outer sidewall sleeved outside the inner sidewall, and an annular bottom wall connecting the inner sidewall and the outer sidewall; the third roller is capable of moving along the inner sidewall and / or the outer sidewall, and there is a movement gap between the third roller and the annular bottom wall.

[0021] According to the cutting auxiliary device of the above embodiments of this application, the fixing frame includes a first body, a second body, and a support portion connected between the first body and the second body; a driving member is rotatably connected to the first body; a main body is disposed between the first body and the second body; and a track is disposed on the second body.

[0022] According to the cutting auxiliary device of the above embodiments of this application, the first body has a first through hole, the driving member includes a cylindrical body extending perpendicular to the body, the cylindrical body being rotatably connected to the first through hole; a driving part is provided at one end of the cylindrical body facing the second body; and an operating part for driving the driving member to rotate is also provided on the cylindrical body.

[0023] According to the cutting auxiliary device of the above embodiment of this application, the wall of the first through hole has an internal thread, the cylindrical body has an external thread section that mates with the internal thread, and the operating part is located at one end of the external thread section away from the driving part.

[0024] According to the cutting auxiliary device of the above embodiment of this application, a bearing is provided between the cylindrical body and the first through hole.

[0025] According to the cutting aid device of the above embodiment of this application, the operating part includes a plurality of protrusions extending perpendicular to the main body, the plurality of protrusions being spaced apart along the circumferential direction of the cylindrical body, and the protrusions being used to contact the operator's hand.

[0026] According to the cutting auxiliary device of the above embodiment of this application, the operating part includes a first gear coaxially connected to the cylindrical body, the first gear being disposed on the top of the cylindrical body away from the second body, and a second gear cooperating with the first gear being rotatably disposed on the fixing frame; the second gear is used to connect to a driving device or a handle.

[0027] According to the cutting auxiliary device of the above embodiment of this application, the operating part includes a worm gear coaxially connected to the cylindrical body, and a worm gear that cooperates with the worm gear is rotatably provided on the fixed frame. The worm gear is used to connect to a drive device or a handle.

[0028] According to the cutting auxiliary device of the above embodiments of this application, the second body has a second through hole corresponding to the first through hole, the track is arranged around the second through hole, and the second through hole is used to accommodate an ultrasonic scalpel.

[0029] According to the cutting auxiliary device of the above embodiments of this application, the support portion includes a plurality of support columns spaced apart along the edge of the first body; or, the support portion includes an annular side plate extending in a ring shape along the edge of the first body.

[0030] According to the cutting auxiliary device of the above embodiments of this application, the preset path includes a circular path, a square path, a rounded rectangle path, or an elliptical path.

[0031] An embodiment of the second aspect of this application provides an ultrasonic scalpel cutting system, including: an ultrasonic scalpel, and a cutting auxiliary device for the ultrasonic scalpel as described above; the ultrasonic scalpel is mounted in the mounting portion of a movable part of the cutting auxiliary device for the ultrasonic scalpel.

[0032] The ultrasonic scalpel cutting auxiliary device and ultrasonic scalpel cutting system provided in this application embodiment are configured with a fixed frame, a moving part, and a driving part. The fixed frame has a track extending along a preset path. The moving part includes a main body, a positioning part for moving along the track, and a mounting part for mounting the ultrasonic scalpel. The positioning part and the mounting part are disposed on the main body. The driving part is connected to the fixed frame and has a driving part for connecting with the main body. During surgery, the driving part can move relative to the fixed frame to drive the main body to move through the driving part, thereby causing the positioning part to move along the track and driving the ultrasonic scalpel to move along the cutting path defined by the track. Since the shape of the track is fixed, when the positioning part moves along the track, the ultrasonic scalpel can also move along the cutting path defined by the track, thereby ensuring the stability and accuracy of the ultrasonic scalpel's movement path. Attached Figure Description

[0033] In the accompanying drawings, unless otherwise specified, the same reference numerals throughout the various drawings denote the same or similar parts or elements. These drawings are not necessarily drawn to scale. It should be understood that these drawings depict only some embodiments disclosed in this application and should not be construed as limiting the scope of this application.

[0034] Figure 1 A perspective view of a cutting auxiliary device according to an embodiment of this application is shown;

[0035] Figure 2 Another perspective view of the cutting auxiliary device in one embodiment of this application is shown;

[0036] Figure 3 for Figure 2 Exploded view;

[0037] Figure 4 A front view of a cutting aid device according to an embodiment of this application is shown;

[0038] Figure 5 A left view of a cutting aid device according to an embodiment of this application is shown;

[0039] Figure 6 A right view of a cutting aid device according to an embodiment of this application is shown;

[0040] Figure 7 A bottom view of a cutting aid device according to an embodiment of this application is shown;

[0041] Figure 8 A top view of a cutting aid device according to an embodiment of this application is shown;

[0042] Figure 9 for Figure 4 Sectional view at point B_B;

[0043] Figure 10 for Figure 3 Enlarged view of point A in the middle;

[0044] Figure 11 for Figure 6 Enlarged view of point C in the middle;

[0045] Figure 12 A perspective view of a cutting aid device according to another embodiment of this application is shown;

[0046] Figure 13 A front view of a cutting aid device according to another embodiment of this application is shown;

[0047] Figure 14 A rear view of the cutting aid device according to another embodiment of this application is shown;

[0048] Figure 15 A left view of the cutting aid device according to another embodiment of this application is shown;

[0049] Figure 16 A right view of the cutting aid device according to another embodiment of this application is shown;

[0050] Figure 17 A top view of a cutting aid device according to another embodiment of this application is shown;

[0051] Figure 18 A bottom view of the cutting aid device according to another embodiment of this application is shown;

[0052] Figure 19 for Figure 13 Sectional view at point D_D;

[0053] Figure 20 A perspective view of the cutting auxiliary device in yet another embodiment of this application is shown;

[0054] Figure 21 A front view of the cutting aid device in yet another embodiment of this application is shown;

[0055] Figure 22 A left view of the cutting aid device in yet another embodiment of this application is shown;

[0056] Figure 23 A right view of the cutting aid device in yet another embodiment of this application is shown;

[0057] Figure 24 A top view of the cutting aid device in yet another embodiment of this application is shown;

[0058] Figure 25 A bottom view of the cutting aid device in yet another embodiment of this application is shown;

[0059] Figure 26 for Figure 21 Sectional view at point E_E;

[0060] Figure 27 for Figure 23 Sectional view at F_F.

[0061] Explanation of reference numerals in the attached figures:

[0062] 100: Fixture; 110: Track;

[0063] 120: Annular groove; 121: Inner sidewall;

[0064] 122: Annular bottom wall; 123: Outer wall;

[0065] 130: First body; 131: First through hole;

[0066] 132: Internal thread; 140: Second body;

[0067] 141: Second through hole; 150: Support column;

[0068] 160: Annular side plate; 170: Bearing;

[0069] 200: Moving part; 210: Main body;

[0070] 211: Moving groove; 212: First sidewall;

[0071] 2121: First groove; 213: Second sidewall;

[0072] 2131: Second groove; 214: First surface;

[0073] 215: Second surface; 216: Connecting post;

[0074] 217: Cover; 220: Positioning part;

[0075] 221: Positioning rod; 222: Third roller;

[0076] 230: Installation part; 240: Overlapping part;

[0077] 241: Second roller; 300: Drive component;

[0078] 310: Drive unit; 311: Columnar body;

[0079] 312: First roller; 313: First limiting component;

[0080] 3131: First ball bearing; 314: Second stop component;

[0081] 3141: Second ball bearing; 320: Receiving hole;

[0082] 321: Overlapping surface; 330: Cylindrical body;

[0083] 331: External thread section; 332: Operating section;

[0084] 333: Center through hole; 334: Protrusion;

[0085] 341: First round body; 342: Second round body;

[0086] 350: Connecting part; 351: Third wheel body;

[0087] 352: Fourth wheel; 353: Connecting rod;

[0088] 361: First gear; 362: Second gear;

[0089] 371: Worm gear; 372: Worm;

[0090] 380: Handle; 400: Ultrasonic scalpel. Detailed Implementation

[0091] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this application. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0092] Currently, in surgeries requiring bone cutting, such as craniotomy, surgeons need to hold an ultrasonic scalpel and move it along a cutting path to cut the cranial operculum. However, manually moving the ultrasonic scalpel leads to an unstable cutting path, making it difficult to guarantee precision and increasing the difficulty of the surgery.

[0093] To address at least one of the aforementioned problems, embodiments of this application provide a cutting auxiliary device and an ultrasonic scalpel cutting system. By placing the ultrasonic scalpel on a movable component of the cutting auxiliary device and providing a track, the movable component can move along the track, thereby driving the ultrasonic scalpel to move along the cutting path defined by the track, thus improving the stability of the cutting path and the accuracy of the ultrasonic scalpel movement.

[0094] The present application will be described in detail below with reference to the accompanying drawings. Figure 1 A perspective view of a cutting auxiliary device according to an embodiment of this application is shown; Figure 2 Another perspective view of the cutting auxiliary device in one embodiment of this application is shown; Figure 3 for Figure 2 Exploded view; Figure 4 A front view of a cutting aid device according to an embodiment of this application is shown; Figure 5 A left view of a cutting aid device according to an embodiment of this application is shown; Figure 6 A right view of a cutting aid device according to an embodiment of this application is shown; Figure 7 A bottom view of a cutting aid device according to an embodiment of this application is shown; Figure 8 A top view of a cutting aid device according to an embodiment of this application is shown.

[0095] Please refer to Figures 1 to 8 This embodiment provides a cutting aid device for an ultrasonic scalpel 400. This cutting aid device can be applied to surgeries where the ultrasonic scalpel 400 is used to cut bone, especially in craniotomy. The cutting aid device includes: a fixation frame 100, a moving part 200, and a driving part 300.

[0096] The fixation frame 100 serves as a support structure for the cutting auxiliary device. During surgery, the fixation frame 100 can be secured to the area to be cut using other fasteners. The fixation frame 100 can be made from common materials such as metal or plastic using common processing techniques such as welding or injection molding. Optionally, the fixation frame 100 can be made of metal to increase its support strength.

[0097] The mounting bracket 100 is provided with a track 110 extending along a preset path. The preset path can have various shapes, such as a circular path, a square path, a rounded rectangle path, or an elliptical path, which are common or relatively regular paths, thereby reducing the difficulty of cutting and improving the cutting efficiency.

[0098] The movable component 200 includes a main body 210, a positioning part 220 for moving along the track 110, and a mounting part 230 for mounting the ultrasonic scalpel 400. The positioning part 220 and the mounting part 230 are disposed on the main body 210. The main body 210 can be a plate-like structure or a block-like structure, etc.

[0099] The positioning part 220 can move along the preset path in the track 110. There are various ways to connect the positioning part 220 and the track 110. For example, the positioning part 220 includes a slider disposed on the main body 210, and the track 110 can include a slide rail extending along the preset path. The slider can slide on the slide rail.

[0100] The mounting part 230 can be used to mount the ultrasonic scalpel 400. The structure of the mounting part 230 can also be various. For example, the mounting part 230 can be a clamp provided on the main body 210, and the ultrasonic scalpel 400 can be clamped in the clamp. Another example is that the mounting part 230 can include a conical hole provided on the main body 210. The ultrasonic scalpel 400 can have a conical section. One end of the ultrasonic scalpel 400 can pass through the conical hole, and the conical section can be accommodated in the conical hole. The part of the ultrasonic scalpel 400 that passes through the conical hole is also screwed with a threaded fastener. The threaded fastener can abut against the main body 210, thereby mounting the ultrasonic scalpel 400 on the main body 210.

[0101] The drive unit 300 can be connected to the fixed frame 100, and the drive unit 300 has a drive part 310 for connecting with the main body 210; the drive part 310 can drive the main body 210 to move, thereby causing the positioning part 220 to move along the track 110, and driving the ultrasonic scalpel 400 to move along the cutting path defined by the track 110. The movement of the drive unit 300 relative to the fixed frame 100 can be in various ways. For example, the drive unit 300 can rotate relative to the fixed frame 100, thereby driving the positioning part 220 to move along the track 110. Or, for example, the drive unit 300 can achieve 6 degrees of freedom of movement in space relative to the fixed frame 100, which can directly drive the main body 210 to move along a preset path, thereby driving the positioning part 220 to move along the track 110.

[0102] It is understandable that the shape of the preset path of track 110 is roughly the same as the shape of the cutting path of ultrasonic scalpel 400, but its size can be larger than the size of the cutting path. Taking a circular cutting path as an example, the preset path can also be circular, and the diameter of the preset path can be larger than the diameter of the cutting path. Therefore, during the design phase, the preset path of track 110 can be planned according to the cutting path. During surgery, the movement of ultrasonic scalpel 400 along the cutting path is achieved by the movement of positioning part 220 along track 110, that is, the cutting path of ultrasonic scalpel 400 is defined by track 110.

[0103] During surgery, the operator, such as a doctor, can operate the drive unit 300, which drives the positioning unit 220 to move along the track 110. This allows the ultrasonic scalpel 400 to move along the path to be cut. Since the shape of the track 110 is fixed, when the positioning unit 220 moves along the track 110, the ultrasonic scalpel 400 can also move along the path to be cut defined by the track 110, thus ensuring the stability and accuracy of the ultrasonic scalpel 400's movement path and reducing the difficulty of the surgical operation.

[0104] Figure 9 for Figure 4 The sectional view at point B_B. Please refer to... Figure 9 As an optional embodiment where the driving member 300 drives the main body 210 to move, the driving member 300 is rotatably connected to the fixed frame 100, and the main body 210 can convert the rotation of the driving member 300 relative to the fixed frame 100 into the movement of the positioning part 220 along the track 110.

[0105] In some embodiments, the main body 210 is provided with a movable groove 211 extending along a first direction, and a driving unit 310 is connected in the movable groove 211. The driving unit 310 is capable of reciprocating relative to the movable groove 211 along the first direction. It is understood that the first direction is the extending direction of the movable groove 211. Figure 9The center can be in the left or right direction, but when the position of the main body 210 changes, the first direction may not be along the same path. Figure 9 It extends in the left and right direction. The movable groove 211 can be a through groove that penetrates the main body 210 in a direction perpendicular to the main body 210, or it can not penetrate the main body 210.

[0106] During surgery, the doctor can operate the drive unit 300 to rotate relative to the fixed frame 100. At this time, the drive unit 310 rotates with the drive unit 300, thereby pushing the groove wall of the moving groove 211. The main body 210 rotates with the drive unit 310 under the push of the drive unit 310. However, since the positioning unit 220 needs to slide along the track 110, when the preset path of the track 110 is circular, the drive unit 310 can remain relatively stationary with the moving groove 211. When the preset path of the track 110 is not circular, there is relative movement between the positioning unit 220 and the drive unit 310. The drive unit 310 can move along the extension direction of the moving groove 211, thereby converting the circular movement trajectory of the drive unit 310 into preset paths of various shapes of the track 110. This allows the cutting auxiliary device to provide a variety of different shapes of track 110, improving the versatility of the cutting auxiliary device.

[0107] Figure 10 for Figure 3 Enlarged view of point A in the middle; Figure 11 for Figure 6 A magnified view of point C. Please refer to [the image]. Figure 10 and Figure 11 In some embodiments, the main body 210 may be generally plate-shaped, and the drive unit 310 may include a columnar body 311 extending perpendicularly to the main body 210 and a first roller 312 sleeved on the columnar body 311. The first roller 312 may roll around the columnar body 311.

[0108] The movable groove 211 includes two opposing first sidewalls 212 and second sidewalls 213, both of which can extend along a first direction. Figure 11 In this configuration, the first sidewall 212 and the second sidewall 213 can be arranged opposite each other in the left-right direction.

[0109] One end of the columnar body 311 is inserted between the first sidewall 212 and the second sidewall 213; and the first sidewall 212 has a first groove 2121 extending in a first direction, and the second sidewall 213 has a second groove 2131 opposite to the first groove 2121. It can be understood that since the first groove 2121 is provided on the first sidewall 212, its opening can be provided towards the second sidewall 213, and the opening of the second groove 2131 can be provided towards the first sidewall 212.

[0110] The first roller 312 is rotatably accommodated in the space enclosed by the first groove 2121 and the second groove 2131. The axis of the first roller 312 can be perpendicular to the main body 210. The wheel surface of the first roller 312 can contact the portion of the groove wall of the first groove 2121 facing the second side wall 213, and the wheel surface of the first roller 312 can also contact the portion of the groove wall of the second groove 2131 facing the first side wall 212.

[0111] The first roller 312 can roll along the first groove 2121 and the second groove 2131, so that the drive part 310 can move along the moving groove 211. This can both transmit the rotational motion of the drive member 300 to the main body 210 and reduce the frictional resistance between the drive part 310 and the moving groove 211.

[0112] In some embodiments, a first limiting member 313 and a second limiting member 314 are also sleeved on the columnar body 311, with the first limiting member 313 and the second limiting member 314 located on both sides of the first roller 312, respectively. Figure 11 In the middle, the first limiting member 313 is located above the first roller 312, and the second limiting member 314 is located below the first roller 312.

[0113] The main body 210 has a first surface 214 and a second surface 215 disposed opposite to each other. When the main body 210 is a plate-like structure, the first surface 214 and the second surface 215 can be the two surfaces of the main body 210 with the larger area, for example, Figure 11 In this context, the first surface 214 can be the upper surface of the main body 210, and the second surface 215 can be the lower surface of the main body 210.

[0114] The movable groove 211 can penetrate the main body 210 in a direction perpendicular to the main body 210, so that the movable groove 211 penetrates the first surface 214 and the second surface 215, and the first limiting member 313 is in contact with the first surface 214, and the second limiting member 314 is in contact with the second surface 215.

[0115] The first limiting member 313 and the second limiting member 314 can restrict the main body 210 between them, preventing the drive part 310 and the main body 210 from separating and improving the reliability of motion transmission.

[0116] It is understood that in this embodiment, the first limiting member 313 is located above and the second limiting member 314 is located below, while in other embodiments, the positions of the two can be interchanged.

[0117] Optionally, such as Figure 10As shown, the first limiting member 313 has a first ball bearing 3131, which is rollably connected to the first limiting member 313. The first ball bearing 3131 can roll along the first surface 214. There can be multiple first balls bearing 3131, which are spaced apart along the circumferential direction of the cylindrical body 311. The first ball bearing 3131 can reduce the frictional resistance between the first limiting member 313 and the main body 210.

[0118] Furthermore, the second limiting member 314 has a second ball bearing 3141, which is rollably connected to the second limiting member 314. The second ball bearing 3141 can roll along the second surface 215. There can be multiple second ball bearings 3141, which are spaced apart along the circumferential direction of the cylindrical body 311. The second ball bearing 3141 can reduce the frictional resistance between the second limiting member 314 and the main body 210.

[0119] Reference Figure 9 In some embodiments, one end of the moving groove 211 along the first direction also penetrates the main body 210, that is, the moving groove 211 can be set at the edge of the main body 210, thereby forming a notch on the edge of the main body 210, and the drive unit 310 can be installed by relying on the notch, so that the first roller 312 can be installed to the moving groove 211.

[0120] In some embodiments, the main body 210 may extend along a second direction, and a first end of the main body 210 is provided with a moving groove 211 and a positioning part 220, and a second end of the main body 210 is provided with an overlapping part 240. The mounting part 230 is located between the moving groove 211 and the overlapping part 240. The driving member 300 and / or the fixing frame 100 are provided with an overlapping surface 321, the overlapping part 240 overlaps with the overlapping surface 321, and is movable along the overlapping surface 321. The second direction may be parallel to the first surface 214, coincide with the first direction, or have an angle with the first direction.

[0121] In some embodiments, the drive member 300 is provided with a receiving hole 320, which can extend along an arc direction. Part of the hole wall of the receiving hole 320 forms an overlapping surface 321, which is parallel to the main body 210. The overlapping part 240 passes through the receiving hole 320 and overlaps the overlapping surface 321, and can move along the overlapping surface 321.

[0122] It is understood that the overlapping surface 321 can be formed by a portion of the hole wall in the receiving hole 320 that is parallel to the first surface 214, for example in Figure 11In the process, the overlapping surface 321 may include the upper and lower walls of the receiving hole 320. The overlapping portion 240 can move arbitrarily on the overlapping surface 321, that is, the overlapping portion 240 can pass through the receiving hole 320, and the two opposing surfaces of the overlapping portion 240 can contact the upper and lower walls of the hole respectively. The receiving hole 320 along... Figure 11 The length in the left-right direction can be relatively large, so that the overlapping part 240 can move freely in the receiving hole 320 along the extension direction of the receiving hole 320.

[0123] Since both the driving part 310 and the overlapping surface 321 are located on the driving member 300, when the driving member 300 rotates relative to the fixed frame 100, the driving part 310 and the overlapping surface 321 rotate simultaneously with the driving member 300, and the distance between them remains unchanged. The moving groove 211 at one end of the main body 210 can be connected to the driving part 310, and the overlapping part 240 at the other end of the main body 210 can move freely along the overlapping surface 321, so that both ends of the main body 210 can remain horizontal, and the ultrasonic scalpel 400 located between the two ends of the main body 210 can always remain upright, making the cutting of the ultrasonic scalpel 400 more stable and more precise.

[0124] Among them, the upper hole wall, lower hole wall, horizontal and vertical are all based on Figure 11 This application is not limited to directional terms based on these terms.

[0125] Reference Figure 9 In some embodiments, the overlapping portion 240 includes a second roller 241 rotatably connected to the main body 210. The second roller 241 is capable of rolling along the overlapping surface 321, and the axial direction of the second roller 241 may coincide with a second direction, that is, the axis of the second roller 241 is parallel to the main body 210. The rolling of the second roller 241 along the overlapping surface 321 reduces the frictional resistance between the overlapping portion 240 and the receiving hole 320.

[0126] Optionally, such as Figure 3 and Figure 9 As shown, the second end of the main body 210 is also provided with two oppositely arranged connecting posts 216, which can pass through the receiving hole 320. The movable part 200 also includes a cover 217, and the end of each connecting post 216 facing away from the moving groove 211 is connected to the cover 217. There are various ways to connect the cover 217 and the connecting post 216. For example, a screw can pass through the cover 217 and be screwed to the connecting post 216.

[0127] The cover 217 can be located at one end of the receiving hole 320 away from the drive unit 310. The second roller 241 is rotatably disposed in the space enclosed by the cover 217, the main body 210 and the two connecting posts 216, so that the second roller 241 can be installed simply and conveniently.

[0128] The height of the cover 217 in the direction perpendicular to the main body 210 can be greater than the height of the receiving hole 320 in that direction, thereby preventing the overlapping part 240 from separating from the receiving hole 320 and improving the reliability of the movement.

[0129] In some embodiments, the positioning part 220 includes two positioning rods 221 extending perpendicular to the main body 210. The two positioning rods 221 are respectively located at both ends of the moving groove 211 perpendicular to the first direction. For example, the two positioning rods 221 can be symmetrically arranged on both sides of the moving groove 211.

[0130] Furthermore, one end of the positioning rod 221 is connected to the main body 210, and the other end has a third roller 222. The third roller 222 is used to roll along the track 110. The third roller 222 is rotatably connected to the positioning rod 221, thereby reducing the frictional resistance between the positioning part 220 and the track 110. Moreover, the two positioning rods 221 will improve the smoothness of the positioning part 220 moving along the track 110.

[0131] It is understood that in some other embodiments, the positioning part 220 may also include only one positioning rod 221.

[0132] As an optional implementation of the track 110, the track 110 includes an annular groove 120 disposed on the fixing frame 100. The annular groove 120 includes an inner sidewall 121, an outer sidewall 123 sleeved outside the inner sidewall 121, and an annular bottom wall 122 connecting the inner sidewall 121 and the outer sidewall 123. The third roller 222 is capable of moving along the inner sidewall 121 and / or the outer sidewall 123, and there is a movement gap between the third roller 222 and the annular bottom wall 122.

[0133] The annular groove 120 can be configured in various ways. For example, the fixing frame 100 can be a block structure, and the annular groove 120 can be a groove provided on the fixing frame 100. As another example, the fixing frame 100 can be provided with a first annular flange and a second annular flange protruding outwards, and the second annular flange can be sleeved on the outside of the first annular flange, with the two forming the annular groove 120.

[0134] It is understandable that the third roller 222 can move in various ways within the annular groove 120. For example, the distance between the inner wall 121 and the outer wall 123 can be equal to the diameter of the third roller 222, and the wheel surface of the third roller 222 can contact both the inner wall 121 and the outer wall 123 simultaneously, thereby moving along the track 110.

[0135] Alternatively, the distance between the inner wall 121 and the outer wall 123 can be slightly larger than the diameter of the third roller 222. The surface of the third roller 222 can contact either the inner wall 121 or the outer wall 123. That is, depending on the preset path shape of the track 110, when the positioning part 220 moves along some positions of the track 110, the inner wall 121 can apply a thrust to the positioning part 220, causing the main body 210 to move relative to the driving part 310. When the positioning part 220 moves along other positions of the track 110, the outer wall 123 can apply a thrust to the positioning part 220, causing the main body 210 to move relative to the driving part 310. In addition, at some turning points of the track 110, the two positioning rods 221 can also rely on the inner wall 121 and the outer wall 123 to provide thrust, respectively. This method makes the movement of the positioning part 220 more flexible, reduces the driving force of the driving member 300, and also prevents the positioning part 220 from getting stuck in the track 110.

[0136] In addition, there may be a movement gap between the third roller 222 and the annular bottom wall 122, that is, the two do not contact each other. This movement gap allows the ultrasonic scalpel 400 to move relative to the fixation frame 100 in a direction perpendicular to the main body 210, thereby cutting through the bone.

[0137] In some embodiments, the fixing frame 100 includes a first body 130, a second body 140, and a support portion connected between the first body 130 and the second body 140. The support portion may include a plurality of support columns 150 spaced apart along the edge of the first body 130. Both the first body 130 and the second body 140 may be plate-shaped structures, and the first body 130 and the second body 140 may be arranged in parallel. The support columns 150 may be connected between the first body 130 and the second body 140.

[0138] The drive unit 300 is rotatably connected to the first body 130; the main body 210 is disposed between the first body 130 and the second body 140; and the track 110 is disposed on the second body 140.

[0139] By setting the first body 130, the second body 140 and the support column 150, the driving component 300 and the main body 210 can be firmly supported, thereby improving the stability of the movement of the moving component 200.

[0140] Reference Figure 3 As an optional connection method between the drive member 300 and the first body 130, the first body 130 has a first through hole 131, the hole wall of the first through hole 131 has an internal thread 132, the drive member 300 includes a cylindrical body 330 extending perpendicular to the body 210, the cylindrical body 330 has an external thread section 331 that mates with the internal thread 132, and the cylindrical body 330 is screwed to the first body 130.

[0141] The cylindrical body 330 is provided with a driving part 310 and a receiving hole 320 at one end facing the second body 140. The driving part 310 and the receiving hole 320 can be located at both ends of a certain radial direction of the cylindrical body 330, thereby playing the role of supporting the moving part 200.

[0142] The cylindrical body 330 is also provided with an operating part 332 for driving the drive member 300 to rotate. The operating part 332 is located at the end of the external thread section 331 that is away from the drive member 310.

[0143] By operating the operating unit 332, the cylindrical body 330 can be rotated relative to the first body 130, thereby causing the ultrasonic scalpel 400 to move along the path to be cut. Furthermore, since the cylindrical body 330 also moves in a direction perpendicular to the body 210, the ultrasonic scalpel 400 can not only move along the path to be cut, but also move in a direction perpendicular to the plane of the path to be cut, so as to cut through the bone.

[0144] The operating part 332 can be implemented in various ways. For example, the operating part 332 can be driven manually. The operating part 332 may include a plurality of protrusions 334 extending in a direction perpendicular to the main body 210. The plurality of protrusions 334 are spaced apart along the circumference of the cylindrical body 330. The protrusions 334 are for contact with the operator's hand, and the plurality of protrusions 334 can increase friction, making it easier for the doctor to operate. Of course, in some other embodiments, the operating part 332 may also include a plurality of grooves.

[0145] Alternatively, the operating unit 332 can be driven by a drive device. The operating unit 332 includes a gear coaxially connected to the outside of the cylindrical body 330, the gear being used to connect with the drive device. The drive device may include a motor and a drive gear connected to the motor output shaft, the drive gear cooperating with the gear to drive the operating unit 332 to rotate. Of course, the operating unit 332 can also be other driveable structures, such as a synchronous pulley, a worm gear, etc.

[0146] The second body 140 has a second through hole 141 corresponding to the first through hole 131. That is, the axes of the first through hole 131 and the second through hole 141 can coincide, but the shape and size of the first through hole 131 and the second through hole 141 can be the same or different.

[0147] The track 110 is arranged around the second through hole 141. The cylindrical body 330 can be a thin-walled structure. The interior of the cylindrical body 330 has a central through hole 333. The second through hole 141 and the central through hole 333 can be used to accommodate the ultrasonic scalpel 400.

[0148] It is understood that the ultrasonic scalpel 400 has a central through hole 333, a first through hole 131 and a second through hole 141, which simplifies the size of the cutting auxiliary device. The ultrasonic scalpel 400 can move in the internal space enclosed by the track 110, that is, the preset path size of the track 110 can be larger than the size of the cutting path of the ultrasonic scalpel 400. The driving member 300 can be used to operate the positioning part 220 to move along the preset path with a larger size, thereby reducing the operation difficulty of the driving member 300.

[0149] Figure 12 A perspective view of a cutting aid device according to another embodiment of this application is shown; Figure 13 A front view of a cutting aid device according to another embodiment of this application is shown; Figure 14 A rear view of the cutting aid device according to another embodiment of this application is shown; Figure 15 A left view of the cutting aid device according to another embodiment of this application is shown; Figure 16 A right view of the cutting aid device according to another embodiment of this application is shown; Figure 17 A top view of a cutting aid device according to another embodiment of this application is shown; Figure 18 A bottom view of the cutting aid device according to another embodiment of this application is shown; Figure 19 for Figure 13 Sectional view at point D_D.

[0150] Please refer to Figures 12 to 19 The cutting auxiliary device for ultrasonic scalpel provided in this embodiment is an improvement on the above embodiment. Some structures not described in detail are the same as those in the above embodiment. For details, please refer to the above embodiment, which will not be repeated here.

[0151] In this embodiment, the fixing frame 100 may include a first body 130, a second body 140, and a support portion connected between the first body 130 and the second body 140; the support portion may include a plurality of support columns 150 spaced apart along the edge of the first body 130; both the first body 130 and the second body 140 may be plate-shaped structures, the first body 130 and the second body 140 may be arranged in parallel, and the support columns 150 may be connected between the first body 130 and the second body 140.

[0152] The fixing frame 100 is provided with a track 110 extending along a preset path. The track 110 can be set on the second body 140. Optionally, the track 110 includes an annular groove 120 set on the fixing frame 100. The annular groove 120 includes an inner sidewall 121, an outer sidewall 123 sleeved outside the inner sidewall 121, and an annular bottom wall 122 connecting the inner sidewall 121 and the outer sidewall 123.

[0153] Optionally, the second body 140 may also be provided with multiple feet for fixing the cutting auxiliary device at its bottom opposite to the first body 130.

[0154] The movable component 200 includes a main body 210, a positioning part 220 for moving along the track 110, and a mounting part 230 for mounting the ultrasonic scalpel 400. The positioning part 220 and the mounting part 230 are disposed on the main body 210. The main body 210 is disposed between the first body 130 and the second body 140. The main body 210 is provided with a moving groove 211 extending along a first direction.

[0155] The drive member 300 is rotatably connected to the first body 130. The drive member 300 has a drive part 310 for connecting with the body 210. The drive part 310 is connected in the moving groove 211. The drive part 310 can reciprocate relative to the moving groove 211 in a first direction, thereby converting the rotational motion of the drive part 310 into the movement of the positioning part 220 along the track 110, and driving the ultrasonic scalpel 400 to move along the cutting path defined by the track 110.

[0156] Optionally, the drive unit 310 includes a columnar body 311 extending perpendicularly to the main body 210 and a first roller 312 sleeved on the columnar body 311; the moving groove 211 includes two opposing first sidewalls and second sidewalls, one end of the columnar body 311 is inserted between the first sidewall and the second sidewall; and the first sidewall has a first groove extending in a first direction, the second sidewall has a second groove opposite to the first groove, and the first roller 312 is rotatably accommodated in the space enclosed by the first groove and the second groove.

[0157] Reference Figure 12 The moving slot 211 does not penetrate the moving part 200 in a direction perpendicular to the main body 210, as shown in the reference. Figure 14 The columnar body 311 is also circumferentially connected to a first wheel body 341 and a second wheel body 342 that are disposed opposite to each other; the axis of the first wheel body 341 coincides with the axis of the second wheel body 342, and the axis of the first wheel body 341, the first direction and the axis of the columnar body 311 are perpendicular to each other; the main body 210 has a first surface 214, the moving groove 211 is disposed on the first surface 214, and the first wheel body 341 and the second wheel body 342 can roll along the first surface 214.

[0158] It is understood that the first wheel 341 and the second wheel 342 can be roller structures, and they can be located on both sides of the moving groove 211 perpendicular to the first direction. When the first roller 312 rolls in the moving groove 211, the first wheel 341 and the second wheel 342 can roll along the first surface, thereby reducing the friction between the drive part 310 and the main body 210.

[0159] in addition, Figure 12In the illustrated embodiment, no overlapping portion is provided. Instead, the driving member 300 is provided with a connecting portion 350, and the mounting portion 230 is located between the connecting portion 350 and the driving portion 310. The connecting portion 350 can roll along the first surface 214 of the main body 210, which is provided with a moving groove 211. Since the driving portion 310 is connected to the first end of the main body 210, when the main body 210 moves relative to the fixed frame 100 under the drive of the driving portion 310 and the restriction of the track 110, the second end of the main body 210 may tilt upward. By providing the connecting portion 350, the main body 210 can always move along a plane parallel to the second body 140, and the friction between the connecting portion 350 and the main body 210 can also be reduced.

[0160] In some embodiments, the connecting portion 350 includes a connecting rod 353 extending in a direction perpendicular to the main body 210, and a third wheel body 351 and a fourth wheel body 352 disposed opposite to each other. The third wheel body 351 and the fourth wheel body 352 are connected to the outer periphery of the connecting rod 353. The axis of the third wheel body 351 coincides with the axis of the fourth wheel body 352, and the axis of the third wheel body 351 is perpendicular to the axis of the connecting rod 353. The third wheel body 351 and the fourth wheel body 352 are capable of rolling along the surface of the main body 210.

[0161] It is understood that the axis of the third wheel 351 can be set parallel to the main body 210, the third wheel 351 and the fourth wheel 352 can be set at intervals along the circumference of the connecting rod 353, and the third wheel 351 and the fourth wheel 352 can be set relative to each other.

[0162] The third wheel 351 and the fourth wheel 352 can be roller structures, both of which can move along the first surface 214, thereby reducing the friction between the connecting part 350 and the main body 210.

[0163] In some embodiments, the first body 130 has a first through hole 131, and the driving member 300 includes a cylindrical body 330 extending perpendicular to the body 210, the cylindrical body 330 being rotatably connected to the first through hole 131; a driving part 310 is provided at one end of the cylindrical body 330 facing the second body 140; and an operating part 332 for driving the driving member 300 to rotate is also provided on the cylindrical body 330. As one implementation of the cylindrical body 330 being rotatably connected to the first through hole 131, a bearing 170 is provided between the cylindrical body 330 and the first through hole 131, thereby reducing the friction between the driving member 300 and the fixing frame 100.

[0164] Reference Figure 12In this embodiment, the operating part 332 may include a worm gear 371 coaxially connected to the cylindrical body 330. For example, the worm gear 371 may be sleeved on the outside of the cylindrical body 330. The fixing frame 100 is rotatably provided with a worm 372 that cooperates with the worm gear 371. The worm 372 may be used to connect to a drive device or a handle 380.

[0165] It is understood that the worm gear 372 can be disposed on the surface of the first body 130 opposite to the second body 140. The worm gear 372 can be connected to a drive device or a handle 380 to achieve rotation, thereby driving the drive component 300 to rotate relative to the fixed frame 100 through the worm wheel 371. The structure is simple and easy to implement. The drive device may include a motor or other device capable of driving.

[0166] Additionally, the second body 140 may have a second through hole 141 corresponding to the first through hole 131, and the track 110 is arranged around the second through hole 141. The second through hole 141 is used to accommodate the ultrasonic scalpel 400. It can be understood that in this embodiment, the length of the support column 150 can be relatively long, so that the distance between the first body 130 and the second body 140 is large, the top end of the ultrasonic scalpel 400 can be located between the first body 130 and the second body 140, and the bottom end of the ultrasonic scalpel 400 can extend out of the second body 140.

[0167] Reference Figure 15 In this embodiment, both the connecting rod 353 and the columnar body 311 are perpendicular to the main body 210. To reduce the size of the cylindrical body 330 and improve structural compactness, the tops of the connecting rod 353 and the columnar body 311, which are away from the main body 210, can be connected to the cylindrical body 330 respectively via two arc-shaped rods. Taking the connecting rod 353 as an example, the connecting rod 353 can be connected to the arc-shaped rod by welding or integral molding process, which can be set according to the actual situation.

[0168] Figure 20 A perspective view of the cutting auxiliary device in yet another embodiment of this application is shown; Figure 21 A front view of the cutting aid device in yet another embodiment of this application is shown; Figure 22 A left view of the cutting aid device in yet another embodiment of this application is shown; Figure 23 A right view of the cutting aid device in yet another embodiment of this application is shown; Figure 24 A top view of the cutting aid device in yet another embodiment of this application is shown; Figure 25 A bottom view of the cutting aid device in yet another embodiment of this application is shown; Figure 26 for Figure 21 Sectional view at point E_E; Figure 27 for Figure 23 Sectional view at F_F.

[0169] Reference Figures 20 to 27 The cutting auxiliary device for ultrasonic scalpel provided in this embodiment is... Figure 1 The embodiments shown are improved upon, and some structures not described in detail are the same as those in the above embodiments. For details, please refer to the above embodiments, which will not be repeated here.

[0170] In this embodiment, the fixing frame 100 may include a first body 130, a second body 140, and a support portion connected between the first body 130 and the second body 140; the support portion includes an annular side plate 160 extending in a ring shape along the edge of the first body 130.

[0171] It is understood that the first body 130 can be a plate-like structure, the second body 140 can also be a plate-like structure, and the annular side plate 160 can be a component connecting the first body 130 and the second body 140, and the three can form a cavity structure. In some embodiments, the first body 130, the second body 140 and the annular side plate 160 can be connected by common processing techniques such as welding, or the three can be integrally formed.

[0172] The fixing frame 100 is provided with a track 110 extending along a preset path. The track 110 can be set on the second body 140. Optionally, the track 110 includes an annular groove 120 set on the fixing frame 100. The annular groove 120 includes an inner sidewall 121, an outer sidewall 123 sleeved outside the inner sidewall 121, and an annular bottom wall 122 connecting the inner sidewall 121 and the outer sidewall 123.

[0173] The movable component 200 includes a main body 210, a positioning part 220 for moving along the track 110, and a mounting part 230 for mounting the ultrasonic scalpel 400. The positioning part 220 and the mounting part 230 are disposed on the main body 210. The main body 210 is disposed between the first body 130 and the second body 140. The main body 210 is provided with a moving groove 211 extending along a first direction.

[0174] The drive member 300 is rotatably connected to the first body 130. The drive member 300 has a drive part 310 for connecting with the body 210. The drive part 310 is connected in the moving groove 211. The drive part 310 can reciprocate relative to the moving groove 211 in a first direction, thereby converting the rotational motion of the drive part 310 into the movement of the positioning part 220 along the track 110, and driving the ultrasonic scalpel 400 to move along the cutting path defined by the track 110.

[0175] Reference Figure 27The moving groove 211 does not penetrate the moving member 200 in a direction perpendicular to the main body 210. The driving part 310 includes a columnar body 311 extending perpendicular to the main body 210 and a first roller 312 sleeved on the columnar body 311. The moving groove 211 includes two opposing first sidewalls and second sidewalls. One end of the columnar body 311 is inserted between the first sidewall and the second sidewall. The first sidewall has a first groove extending in a first direction, and the second sidewall has a second groove opposite to the first groove. The first roller 312 is rotatably accommodated in the space enclosed by the first groove and the second groove.

[0176] In some embodiments, the main body 210 may extend along a second direction, and a first end of the main body 210 is provided with a moving groove 211 and a positioning part 220, and a second end of the main body 210 is provided with an overlapping part 240. The mounting part 230 is located between the moving groove 211 and the overlapping part 240. The driving member 300 and the fixing frame 100 are provided with an overlapping surface 321, and the overlapping part 240 overlaps with the overlapping surface 321 and is movable along the overlapping surface 321.

[0177] As an alternative to the overlapping portion 240, there is a first gap between the fixing frame 100 and the driving member 300, the overlapping portion 240 is disposed in the first gap, and the boundary surface of the first gap constitutes the overlapping surface 321. Figure 27 In this configuration, the bottom surface of the driving member 300 facing the second body 140 and the top surface of the annular groove 120 form the overlapping surface 321. When the main body 210 moves relative to the fixed frame 100 under the drive of the driving member 310 and the constraint of the track 110, the overlapping part 240 can move along a plane parallel to the second body 140 within the first gap, thereby improving the smoothness of movement. In addition, the volume of the cutting auxiliary device can be reduced.

[0178] Optionally, the overlapping portion 240 includes a second roller 241 rotatably connected to the main body 210, the second roller 241 being able to roll along the overlapping surface 321.

[0179] In some examples, the first body 130 has a first through hole 131, and the driving member 300 includes a cylindrical body 330 extending perpendicular to the body 210, which is rotatably connected to the first through hole 131. A driving part 310 is provided at one end of the cylindrical body 330 facing the second body 140. An operating part 332 for driving the driving member 300 to rotate is also provided on the cylindrical body 330. As one implementation of the cylindrical body 330 being rotatably connected to the first through hole 131, a bearing 170 is provided between the cylindrical body 330 and the first through hole 131, thereby reducing the friction between the driving member 300 and the fixing frame 100.

[0180] It is understood that the size of the first through hole 131 can be set according to the actual situation. When the diameter of the first through hole 131 is greater than the inner diameter of the annular side plate 160, the second body 140 can be an annular structure, which can be recessed into the inner surface of the annular side plate 160.

[0181] In this embodiment, refer to Figure 21 The operating part 332 includes a first gear 361 coaxially connected to the cylindrical body 330. The first gear 361 is disposed on the top of the cylindrical body 330 away from the second body 140. A second gear 362 that cooperates with the first gear 361 is rotatably disposed on the fixing frame 100.

[0182] The first gear 361 and the second gear 362 can be helical gears. The thickness of the cylindrical body 330 can be relatively large, allowing the first gear 361 to be integrally formed on the top surface of the cylindrical body 330. The second gear 362 can be located on the top of the first gear 361, away from the second body 140, and can be connected to the fixed frame 100. The first gear 361 can be used to connect with a drive device or a handle to achieve rotation, thereby driving the drive component 300 to rotate relative to the fixed frame 100. The structure is simple and easy to implement.

[0183] The driving device may include a motor or other device that can drive the device, and the handle may be a common handle structure that is easy to hold.

[0184] In addition, the second body 140 has a second through hole 141 corresponding to the first through hole 131. That is, the axes of the first through hole 131 and the second through hole 141 can coincide, but the shape and size of the first through hole 131 and the second through hole 141 can be the same or different.

[0185] The track 110 is arranged around the second through hole 141. The cylindrical body 330 can be a thin-walled structure. The interior of the cylindrical body 330 has a central through hole 333. The second through hole 141 and the central through hole 333 can be used to accommodate the ultrasonic scalpel 400.

[0186] It is understood that the structures that achieve substantially the same function in the above embodiments can be substituted for each other, that is... Figure 1 , Figure 12 and Figure 20 The various parts of the three different embodiments shown can be substituted for each other. For example, Figure 1 , Figure 12 and Figure 20 The specific structures of the drive unit 310 shown can be interchanged; or, Figure 1 and Figure 20 The connection structure between the overlapping surface 321 and the overlapping portion 240 shown can also be adopted. Figure 12The connection structure between the connecting part 350 and the main body 210 shown; or, Figure 1 The operation unit 332 in the illustrated embodiment can also be adopted Figure 12 The worm gear 371 shown or Figure 20 The first gear 361 shown will not be described in detail here.

[0187] This embodiment also provides an ultrasonic scalpel cutting system, including: an ultrasonic scalpel 400 and a cutting auxiliary device for the ultrasonic scalpel; the ultrasonic scalpel 400 is installed in the mounting portion 230 of the movable part 200 of the cutting auxiliary device.

[0188] The structure and function of the cutting auxiliary device are the same as those in the above embodiments, and can be referred to the above embodiments for details, which will not be repeated here.

[0189] The ultrasonic scalpel cutting system provided in this embodiment includes an ultrasonic scalpel and a cutting auxiliary device for the ultrasonic scalpel. The cutting auxiliary device includes a fixed frame 100, a movable part 200, and a driving part 300. The fixed frame 100 has a track 110 extending along a preset path. The movable part 200 includes a main body 210, a positioning part 220 for moving along the track 110, and a mounting part 230 for mounting the ultrasonic scalpel 400. The positioning part 220 and the mounting part 230 are disposed on the main body 210. The driving part 300 is connected to the fixed frame 100 and has a driving part 310 for connecting with the main body 210. During surgery, the driving part 300 can move relative to the fixed frame 100 to drive the main body 210 to move through the driving part 310, thereby causing the positioning part 220 to move along the track 110 and driving the ultrasonic scalpel 400 to move along the cutting path defined by the track 110. Since the shape of the track 110 is fixed, when the positioning part 220 moves along the track 110, the ultrasonic scalpel 400 can also move along the path to be cut, thereby ensuring the stability of the path of movement and the accuracy of movement of the ultrasonic scalpel 400.

[0190] It should be understood that in this specification, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship or dimensions based on the orientation or positional relationship or dimensions shown in the accompanying drawings. These terms are used only for ease of description and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this application.

[0191] Furthermore, the terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0192] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0193] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0194] This specification provides many different implementations or examples that can be used to implement this application. It should be understood that these different implementations or examples are entirely exemplary and are not intended to limit the scope of protection of this application in any way. Those skilled in the art will be able to conceive of various variations or substitutions based on the disclosure of this specification, and these should all be covered within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope defined in the appended claims.

Claims

1. A cutting auxiliary device for an ultrasonic scalpel, characterized in that, include: A fixed frame having a track extending along a preset path; The movable component includes a main body, a positioning part for moving along the track, and a mounting part for mounting an ultrasonic scalpel, wherein the positioning part and the mounting part are disposed on the main body, and the main body is provided with a moving groove extending along a first direction; A driving member has a driving part for connection with the main body, the driving part being connected in the moving groove; the driving part drives the main body to move, thereby causing the positioning part to move along the track, and driving the ultrasonic scalpel to move along the cutting path defined by the track; The driving member is rotatable relative to the fixed frame, and the driving part is reciprocating relative to the moving groove along the first direction to convert the rotational motion of the driving member into the movement of the positioning part along the track.

2. The cutting auxiliary device according to claim 1, characterized in that, The driving part includes a columnar body extending perpendicularly to the main body and a first roller sleeved on the outside of the columnar body; the moving groove includes two opposing first sidewalls and second sidewalls, and one end of the columnar body is inserted between the first sidewall and the second sidewall; The first sidewall has a first groove extending along the first direction, and the second sidewall has a second groove opposite to the first groove. The first roller is rotatably accommodated in the space enclosed by the first groove and the second groove.

3. The cutting auxiliary device according to claim 2, characterized in that, The columnar body is also fitted with a first limiting member and a second limiting member, which are respectively located on both sides of the first roller; The main body has a first surface and a second surface that are arranged opposite to each other. The moving groove passes through the first surface and the second surface, and the first limiting member is in contact with the first surface and the second limiting member is in contact with the second surface.

4. The cutting auxiliary device according to claim 3, characterized in that, The first limiting member has a first ball, which rolls along the first surface, and the second limiting member has a second ball, which rolls along the second surface.

5. The cutting auxiliary device according to claim 1, characterized in that, The movable groove extends through the main body at one end along the first direction.

6. The cutting auxiliary device according to claim 2, characterized in that, The columnar body is also circumferentially connected to a first wheel and a second wheel that are arranged opposite to each other; the axis of the first wheel coincides with the axis of the second wheel, and the axis of the first wheel, the first direction and the axis of the columnar body are perpendicular to each other; the main body has a first surface, the moving groove is disposed on the first surface, and the first wheel and the second wheel can roll along the first surface.

7. The cutting auxiliary device according to any one of claims 1-6, characterized in that, The first end of the main body is provided with the moving groove and the positioning part, the second end of the main body is provided with the overlapping part, and the mounting part is located between the moving groove and the overlapping part; The driving component and / or the fixing frame are provided with an overlapping surface, the overlapping part overlaps the overlapping surface, and can move along the overlapping surface.

8. The cutting auxiliary device according to claim 7, characterized in that, The drive component is provided with a receiving hole, and part of the hole wall of the receiving hole forms an overlapping surface. The overlapping surface is parallel to the main body. The overlapping part passes through the receiving hole and overlaps the overlapping surface, and can move along the overlapping surface.

9. The cutting auxiliary device according to claim 7, characterized in that, There is a first gap between the fixing frame and the driving member, the overlapping part is disposed in the first gap, and the boundary surface of the first gap constitutes the overlapping surface.

10. The cutting auxiliary device according to claim 8 or 9, characterized in that, The overlapping portion includes a second roller rotatably connected to the main body, the second roller being able to roll along the overlapping surface.

11. The cutting auxiliary device according to claim 10, characterized in that, The second end of the main body is also provided with two oppositely arranged connecting posts; the movable component also includes a cover, and the end of each connecting post facing away from the movable groove is connected to the cover. The second roller is rotatably arranged in the space enclosed by the cover, the main body and the two connecting posts.

12. The cutting auxiliary device according to any one of claims 1-6, characterized in that, The drive component is also provided with a connecting part, and the mounting part is located between the connecting part and the drive component. The connecting part is capable of rolling along the surface of the main body where the moving groove is provided.

13. The cutting auxiliary device according to claim 11, characterized in that, The connecting part includes a connecting rod extending in a direction perpendicular to the main body and a third wheel and a fourth wheel disposed opposite to each other. The third wheel and the fourth wheel are connected to the outer periphery of the connecting rod. The axis of the third wheel coincides with the axis of the fourth wheel, and the axis of the third wheel is perpendicular to the axis of the connecting rod. The third wheel and the fourth wheel are capable of rolling along the surface of the main body.

14. The cutting auxiliary device according to any one of claims 1-6, characterized in that, The positioning part includes two positioning rods extending perpendicular to the main body, and the two positioning rods are respectively located at both ends of the moving groove perpendicular to the first direction; Furthermore, one end of the positioning rod is connected to the main body, and the other end has a third roller, which is used to roll along the track.

15. The cutting auxiliary device according to claim 14, characterized in that, The track includes an annular groove disposed on the fixing frame. The annular groove includes an inner sidewall, an outer sidewall sleeved outside the inner sidewall, and an annular bottom wall connecting the inner sidewall and the outer sidewall. The third roller is capable of moving along the inner sidewall and / or the outer sidewall, and there is a movement gap between the third roller and the annular bottom wall.

16. The cutting auxiliary device according to any one of claims 1-6, characterized in that, The fixing frame includes a first body, a second body, and a support portion connecting the first body and the second body; The drive component is rotatably connected to the first body; The main body is disposed between the first body and the second body; The track is set on the second body.

17. The cutting auxiliary device according to claim 16, characterized in that, The first body has a first through hole, and the driving member includes a cylindrical body extending perpendicular to the body, the cylindrical body being rotatably connected to the first through hole; The cylindrical body has a driving part at one end facing the second body; the cylindrical body also has an operating part for driving the driving part to rotate.

18. The cutting auxiliary device according to claim 17, characterized in that, The wall of the first through hole has an internal thread, the cylindrical body has an external thread section that mates with the internal thread, and the operating part is located at the end of the external thread section away from the driving part.

19. The cutting auxiliary device according to claim 17, characterized in that, A bearing is provided between the cylindrical body and the first through hole.

20. The cutting auxiliary device according to claim 17, characterized in that, The operating part includes a plurality of protrusions extending perpendicular to the main body, the plurality of protrusions being spaced apart along the circumferential direction of the cylindrical body, the protrusions being for contacting the operator's hand.

21. The cutting auxiliary device according to claim 17, characterized in that, The operating part includes a first gear coaxially connected to the cylindrical body, the first gear being disposed on the top of the cylindrical body opposite to the second body, and a second gear rotatably disposed on the fixing frame to cooperate with the first gear; the second gear is used to connect to a drive device or a handle.

22. The cutting auxiliary device according to claim 17, characterized in that, The operating part includes a worm gear coaxially connected to the cylindrical body, and a worm that cooperates with the worm gear is rotatably mounted on the fixed frame. The worm is used to connect to a drive device or a handle.

23. The cutting auxiliary device according to claim 17, characterized in that, The second body has a second through hole corresponding to the first through hole, the track is arranged around the second through hole, and the second through hole is used to accommodate the ultrasonic scalpel.

24. The cutting auxiliary device according to claim 16, characterized in that, The support portion includes a plurality of support columns spaced apart along the edge of the first body; Alternatively, the support may include an annular side plate extending in a ring shape along the edge of the first body.

25. The cutting auxiliary device according to any one of claims 1-6, characterized in that, The preset path includes a circular path, a square path, a rounded rectangle path, or an elliptical path.

26. An ultrasonic scalpel cutting system, characterized in that, include: An ultrasonic scalpel, and a cutting aid for an ultrasonic scalpel as described in any one of claims 1-25; the ultrasonic scalpel is mounted in the mounting portion of the movable part of the cutting aid for the ultrasonic scalpel.

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