Surgical instrument operating handle and surgical instrument

Abstract

The utility model discloses a surgical instrument operating handle which comprises a handle shell and further comprises a first driving module, and the first driving module comprises a rotary driving assembly, a linear moving part and a driving protrusion. A mounting through hole is formed in the rotary driving assembly, the linear moving part is arranged in the mounting through hole, and the linear moving part is used for being connected with the driving end of a surgical instrument; a spiral groove is formed in one of the inner side wall of the mounting through hole and the outer side wall of the linear moving part, the driving protrusion is fixedly arranged on the other one of the inner side wall of the mounting through hole and the outer side wall of the linear moving part, and the driving protrusion is inserted into the spiral groove. The driving protrusion can relatively move along the side wall of the spiral groove under the condition that the rotation driving assembly rotates around the axis of the rotation driving assembly so as to drive the linear moving part to move in the axis direction of the rotation driving assembly. The utility model further discloses a surgical instrument comprising the operating handle, and the operating handle is labor-saving in operation and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a surgical instrument operating handle and surgical instrument. BACKGROUND

[0002] In laparoscopic operation operation, surgical clamping appliance is often used, and the surgical clamping appliance enters the abdomen through the small-diameter tube or cannula inserted into the small incision in the skin.

[0003] During the operation, medical staff realizes the action of the execution end inserted in the patient's body by operating the surgical clamping appliance outside the patient's body.

[0004] The surgical clamping appliance is generally small in size and complex in structure, and it is difficult to control the execution end placed in the body outside the body, and the operation process is generally long, and the workload of medical staff is large, so how to control the surgical clamping appliance more labor-saving is a problem worth considering. UTILITY MODEL CONTENT

[0005] The utility model aims at solving one of the technical problems in the related art to some extent, and for this purpose, the utility model provides a surgical instrument operating handle and surgical instrument, which is convenient and labor-saving to operate.

[0006] In order to achieve the above purpose, the utility model discloses a surgical instrument operating handle in the first aspect, which comprises a handle shell, the operating handle further comprises a first drive module, the first drive module comprises a rotary drive assembly, a linear moving piece and a driving protrusion;

[0007] The rotary drive assembly is rotatably arranged in the handle shell;

[0008] The rotary drive assembly is formed with a mounting through hole, the linear moving piece is arranged in the mounting through hole, and the linear moving piece is connected with the driving end of the surgical instrument;

[0009] One of the inner side wall of the mounting through hole and the outer side wall of the linear moving piece is formed with a helical groove, the driving protrusion is fixedly arranged on the other one of the inner side wall of the mounting through hole and the outer side wall of the linear moving piece, and the driving protrusion is inserted into the helical groove, and the driving protrusion can relatively move along the side wall of the helical groove under the condition that the rotary drive assembly rotates around its own axis, so as to drive the linear moving piece to move along the axis direction of the rotary drive assembly.

[0010] In the technical solution, the rotating driving unit and the linear moving piece are matched through the driving protrusion and the spiral groove, compared with the mechanism matched through the thread, the spiral groove and the driving protrusion are more convenient to process, the contact area of the driving transmission part is reduced, the friction in the driving process is reduced, the driving resistance is reduced, the operation is more labor-saving, the stability of the driving is improved, the processing precision is convenient to control, higher precision can be realized, and the structure is more stable.

[0011] Further, the rotating driving assembly comprises an operation cylinder and a transmission cylinder, the operation cylinder is sleeved outside the transmission cylinder, the center of the transmission cylinder forms the mounting through hole, the rotation of the operation cylinder around the axis thereof can drive the transmission cylinder to rotate, and the part of the handle shell opposite to the operation cylinder forms an operation window.

[0012] Further, the outer wall of the transmission cylinder forms a protrusion, the inner wall of the operation cylinder forms a groove matched with the protrusion, the protrusion is embedded in the groove, and in the case that the operation cylinder rotates around the axis thereof, the transmission cylinder can be driven to rotate synchronously through the matching of the protrusion and the groove.

[0013] Further, the handle shell forms a mounting port, the rotating driving assembly is static relative to the handle shell along the axial direction of the mounting port, the linear moving piece is static relative to the handle shell along the circumferential direction, the first driving module comprises a front limiting support and a rear limiting support fixed in the handle shell, the front limiting support and the rear limiting support are arranged at intervals along the axial direction of the mounting port, the rotating driving assembly is arranged in the interval, and the front limiting support and the rear limiting support are respectively stopped at the two ends of the rotating driving assembly along the axial direction of the mounting port.

[0014] Further, the front limiting support and the rear limiting support respectively form a guide hole matched with the outer wall of the linear moving piece, the guide holes of the front limiting support and the rear limiting support respectively form a sliding groove, the outer wall of the linear moving piece is provided with a sliding protrusion matched with the sliding groove, and the rotating driving assembly drives the linear moving piece to linearly slide along the axial direction of the mounting port in the sliding groove. The stability of the linear moving piece installation is improved.

[0015] Further, the linear moving part comprises a first cylinder, an adjusting block and the driving protrusion, the first cylinder is arranged in the handle shell and the central hole of the first cylinder is opposite to the mounting port, the front end of the first cylinder is opposite to the mounting port, the front end and the rear end of the outer wall of the first cylinder are respectively provided with the sliding boss, the driving protrusion is arranged on the outer wall between the sliding boss at the front end and the sliding boss at the rear end of the first cylinder, the adjusting block is arranged in the central hole at the rear end of the first cylinder, and the adjusting block is used for cooperating with the first cylinder to fix the driving end of the surgical instrument.

[0016] Further, the central hole at the rear end of the linear moving part is formed with an internal thread, the outer wall of the adjusting block is formed with an external thread corresponding to the internal thread, the adjusting block and the linear moving part are threadedly connected, the inner wall of the central hole of the linear moving part is formed with a positioning step, the positioning step is opposite to one end of the adjusting block and is arranged in the interval, the driving end of the surgical instrument comprises a first blocking ring, the first blocking ring is arranged in the interval between the adjusting block and the positioning step and is clamped and fixed by the adjusting block and the positioning step. The intermittent generated during use can be eliminated, and the stability is improved.

[0017] Further, the outer wall surface of the linear moving part is provided with a pin hole, and the driving protrusion is inserted into the pin hole.

[0018] Further, the outer wall surface of the one end of the driving protrusion inserted into the spiral groove is provided with a cylindrical surface, the cylindrical surface abuts against two opposite side walls of the spiral groove respectively and is in line contact with the side walls of the spiral groove. The line contact between the driving protrusion and the spiral groove further reduces the contact area and the frictional resistance.

[0019] Further, the helix angle of the spiral groove is greater than the friction angle between the driving protrusion and the spiral groove. Self-locking is realized, and the stability is improved.

[0020] Further, the handle shell is formed with a fixed handle, and the operation handle further comprises a second driving module, the second driving module comprises a movable handle and a transmission assembly, the movable handle is arranged opposite to the fixed handle, one end of the movable handle is hingedly connected in the handle shell, the other end of the movable handle is arranged outside the handle shell, the movable handle is hingedly connected to the first end of the transmission assembly in the handle shell, the second end of the transmission assembly is opposite to the mounting port and can linearly slide along the axial direction of the mounting port, the second end of the transmission assembly forms the output end of the second driving module and is used for being connected to the driving end of the surgical instrument.

[0021] Further, the transmission assembly comprises a transmission connecting rod and a power output, the power output is slidingly connected in the handle housing, a second end of the power output is opposite to the mounting port, a first end of the power output is hingedly connected to one end of the transmission connecting rod, the other end of the transmission connecting rod is hingedly connected to the movable handle, rotation of the movable handle can drive the power output to slide along the handle housing, and the second end of the power output slides along the axis of the mounting port.

[0022] Further, the movable handle comprises a guide driving member and a holding limiting member, the handle housing is formed with a guide window on the front side of the fixed handle, one end of the guide driving member is hingedly connected in the handle housing, the other end of the guide driving member passes through the guide window and is connected to the holding limiting member, and the two side edges of the holding limiting member protrude from the two sides of the guide driving member.

[0023] Further, the holding limiting member comprises a holding portion and a limiting portion opposite to the holding portion, the end of the holding portion and the end of the limiting portion are connected, a holding space is formed between the holding portion and the limiting portion, one side of the holding portion is connected to the guide driving member, and the surface of the holding portion away from the guide driving member forms a holding surface, and the holding surface forms a curved surface easy to hold.

[0024] Further, the second driving module further comprises a locking mechanism arranged in the handle housing, the second end of the transmission assembly comprises a pushing-out position and an initial position, in the initial position, the second end of the transmission assembly forms the maximum distance with the mounting port, in the pushing-out position, the second end of the transmission assembly is located between the initial position and the mounting port, the locking mechanism comprises a locking position and an unlocking position, in the locking position, the locking mechanism limits the movable handle to drive the second end of the transmission assembly to slide from the pushing-out position to the initial position, and in the unlocking position, the movable handle can be freely opened and closed.

[0025] Further, the movable handle comprises a first tooth row arranged in the guide driving module, the locking mechanism comprises a second tooth row corresponding to the first tooth row, the locking mechanism comprises a locking position and an unlocking position, in the locking position, the first tooth row is engaged with the second tooth row, and the locking mechanism limits the movable handle to drive the power output to slide from the pushing-out position to the initial position, and in the unlocking position, the first tooth row is disengaged from the second tooth row.

[0026] Further, the locking mechanism comprises a locking knob and a locking piece, the locking piece is hinged in the handle shell, a mounting groove is arranged on the front side wall of the handle shell, the locking knob comprises a rotating seat and first and second bosses arranged on the rotating seat, the rotating seat is rotatably mounted in the mounting groove, and the outer wall of the rotating seat protrudes from the outer wall of the handle shell, the locking piece comprises a force receiving part opposite to the locking knob and the second gear row, the first boss and the second boss are connected through a cam transition surface, the rotation of the locking knob can make one of the first boss and the second boss cooperate with the force receiving part, and a return torsion spring is arranged between the locking piece and the handle shell. Through the locking mechanism, the action of locking the movable handle to return to the initial position is realized, the power output part is kept in the pushed-out position, the operator does not need to hold and keep the pushed-out state all the time, and the stability can be improved.

[0027] Further, the surgical instrument operating handle further comprises a third driving module, the third driving module comprises a rotating cylinder and a blocking rod arranged on the rotating cylinder, one end of the rotating cylinder penetrates through the mounting opening and is rotationally connected with the handle shell, the other end of the rotating cylinder extends out of the handle shell, the rotating cylinder is formed with a mounting channel in the axial direction of the mounting hole, and the blocking rod is detachably connected with the rotating cylinder in the radial direction of the rotating cylinder. The blocking rod is used for being connected with the driving end of the surgical instrument in the mounting channel, and in the axial direction of the mounting channel, the blocking rod can slide relative to the driving end of the surgical instrument, and rotation of the rotating cylinder around the axis of the rotating cylinder can drive the driving end of the surgical instrument to rotate through the blocking rod.

[0028] The second aspect of the present application is a surgical instrument, comprising a jaw assembly, a jaw driving assembly and an operating handle, the output end of the jaw driving assembly is connected with the jaw assembly, characterized in that the handle adopts the surgical instrument operating handle according to any one of claims 1 to 9, and the driving end of the jaw driving assembly penetrates into the handle shell through the mounting opening and is connected with the linear moving piece.

[0029] Further, the jaw driving assembly comprises a yaw driving pipe for driving the jaw assembly to yaw, the driving end of the yaw driving pipe penetrates into the handle shell through the mounting opening and is connected with the linear moving piece.

[0030] The advantages of the surgical instrument disclosed in the second aspect of the present application are similar to those of the first aspect, and will not be repeated here.

[0031] The features and advantages of the present application will be more fully understood from the following detailed description taken in conjunction with the accompanying drawings, in which: The preferred embodiments of the present application will be described in conjunction with the accompanying drawings, but the present application is not limited to the embodiments. In addition, the features, elements and components appearing in each of the following description and drawings are multiple, and different symbols or numbers are marked for the convenience of representation, but all represent the same or similar structure or function components. BRIEF DESCRIPTION OF DRAWINGS

[0032] The present application will be further described in conjunction with the accompanying drawings:

[0033] Figure 1 is an internal structure diagram of the handle shell of one embodiment of the present application (remove the operation cylinder);

[0034] Figure 2 is a side view of the operation handle of one embodiment of the present application;

[0035] Figure 3 is a partial enlarged view of the present application Figure 2

[0036] Figure 4 is a partial enlarged view of the present application Figure 3

[0037] Figure 5 is a partial enlarged view of the present application Figure 2

[0038] Figure 6 is an internal structure diagram of the handle shell of one embodiment of the present application;

[0039] Figure 7 is a side view of the operation handle of one embodiment of the present application;

[0040] Figure 8 is an internal structure diagram of the handle shell of one embodiment of the present application;

[0041] Figure 9 is a partial enlarged view of the present application Figure 8

[0042] Figure 10 is a structure diagram of the transmission cylinder of one embodiment of the present application;

[0043] Figure 11 is a structure diagram of the linear moving part of one embodiment of the present application;

[0044] Figure 12 is a top view of the operation handle of one embodiment of the present application;

[0045] ​​​​Figure 13 Figure 1 is a schematic view of the movable handle structure according to an embodiment of the present application;

[0046] Figure 14 Figure 1 is a schematic view of the movable handle structure according to an embodiment of the present application;

[0047] Figure 15 Figure 1 is a schematic view of the movable handle structure according to an embodiment of the present application;

[0048] Figure 16 Figure 1 is a schematic view of the movable handle structure according to an embodiment of the present application Figure 15 Figure 1 is a schematic view of the movable handle structure according to an embodiment of the present application

[0049] wherein,

[0050] 100, handle shell; 102, mounting port; 103, fixed handle;

[0051] 210, driving protrusion; 211, linear moving piece; 2111, first cylinder; 2112, front end sliding boss; 2113, rear end sliding boss; 2114, positioning step; 212, adjusting block; 213, front limiting support; 214, rear limiting support;

[0052] 220, operation cylinder; 221, transmission cylinder; 2211, helical groove;

[0053] 310, movable handle; 3101, guide driving piece; 3102, holding part; 3103, limiting part; 3104, first gear row; 311, transmission connecting rod; 312, power output piece;

[0054] 320, locking piece; 3201, second gear row; 3202, stress part; 321, locking knob; 3212, cam transition surface; 322, first torsional spring;

[0055] 410, rotating cylinder; 411, blocking rod;

[0056] 500, clamp head assembly; 510, pipe body; 520, yaw driving pipe; 5201, first blocking ring; 530, opening and closing driving rod. DETAILED DESCRIPTION

[0057] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. Based on the embodiments in the embodiments, it is intended to explain the present application, and cannot be understood as a limitation of the present application.

[0058] "one embodiment" or "an embodiment" or "example" or "exemplary" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.

[0059] Referring to the drawings Figure 1 , 2 , 6, 7, 8, one of the embodiments of the utility model discloses a surgical instrument operating handle, including handle shell 100, the surgical instrument operating handle in this embodiment is used to operate and control the execution end of surgical instrument, when using, the execution end of surgical instrument (generally including surgical scissors, separating forceps, needle holding forceps etc.) is connected with handle, and the execution end of surgical instrument is inserted into the patient's body and executes surgical action. The surgical instrument operating handle in this embodiment further includes the first drive module that is arranged in the handle shell 100, the first drive module includes rotary drive assembly, linear moving piece 211 and drive protrusion 210;

[0060] Rotary drive assembly can be rotatably arranged in handle shell 100;

[0061] The rotary drive assembly is formed with the mounting through hole that the axis direction is identical with the axis direction of mounting port 102, and linear moving piece 211 is arranged in the mounting through hole, and linear moving piece 211 is used to be connected with the drive end of surgical instrument;

[0062] One of the inner side wall of mounting through hole and the outer side wall of linear moving piece is formed with helical groove 2211, and the other of the inner side wall of mounting through hole and the outer side wall of linear moving piece 211 is fixed with drive protrusion 210, and drive protrusion 210 is inserted into helical groove, and drive protrusion 210 can move relatively along the side wall of helical groove under the rotation of rotary drive assembly around its axis, to drive linear drive along the axis direction of mounting port.

[0063] When using, one end of surgical instrument can pass through mounting port 102 and be connected with the first drive module in handle shell 100, and then the first drive module can drive surgical instrument, and linear moving piece in this embodiment is used to be connected with surgical instrument, and accordingly, the sliding of linear moving piece can drive the sliding of one end (generally drive end) of surgical instrument, and then the action (deflection or opening and closing) of execution end of surgical instrument can be controlled.

[0064] Taking the plier head assembly 500 as an example, the plier head assembly 500 generally includes two execution actions of yawing and opening and closing, and the embodiment does not make specific limitation on whether the first driving module is used to control the yawing or the opening and closing of the plier head assembly 500, that is, the first driving module can operate the plier head assembly 500 to yaw, and the embodiment does not make specific comparison, or can operate the plier head assembly 500 to open and close, as long as a straight-line driving force can be provided.

[0065] Referring to the accompanying drawings Figure 1 The rotation driving unit and the linear moving piece in the embodiment are matched by the driving protrusion 210 and the spiral groove 2211, and compared with the machining of threads, the machining of the spiral groove 2211 and the driving protrusion 210 is easier and has lower cost. In addition, the matching of the driving protrusion 210 and the spiral groove 2211 only has the outer wall surface of the driving protrusion 210 and the side wall of the spiral groove 2211 abutting each other in use, and compared with the thread matching structure (trapezoidal thread) in the prior art, the contact area of the outer wall surface of the driving protrusion 210 and the side wall of the spiral groove 2211 in the embodiment is smaller, so that the friction in the driving process can be reduced, the driving resistance is reduced, and the stability of driving is improved.

[0066] The driving protrusion 210 can be arranged on the driving piece or the driven piece, and the utility model does not make specific limitation on this, as long as the matching structure of the spiral groove 2211 and the driving protrusion 210 in the embodiment is adopted on the operating handle of the surgical instrument, which should be regarded as falling within the protection scope of the utility model. In actual use, considering more labor saving, the spiral groove 2211 is generally arranged on the rotation driving unit (driving piece), and the driving protrusion 210 (driven piece) is arranged on the linear moving piece, so that more labor saving can be achieved when the rotation driving unit is operated.

[0067] In addition, the utility model does not make specific limitation on the specific structure of the rotation driving assembly, and the rotation driving assembly can be formed by assembling a plurality of components or can be arranged as a single component.

[0068] As one of the embodiments of the utility model, the rotation driving assembly includes an operating cylinder 220 and a transmission cylinder 221, the operating cylinder 220 is arranged outside the transmission cylinder 221, the center of the transmission cylinder 221 forms the mounting through hole, the rotation of the operating cylinder 220 around the axis of the operating cylinder 220 can drive the rotation of the transmission cylinder 221, the part of the handle shell 100 opposite to the operating cylinder 220 forms an operating window, and the operating cylinder 220 is exposed outside the handle shell through the operating window.

[0069] The outer wall of the transmission cylinder forms a protrusion, the inner wall of the operation cylinder is formed with a groove matched with the protrusion, the protrusion is embedded in the groove, and the operation cylinder 220 can drive the transmission cylinder 221 to rotate synchronously through the matching of the protrusion and the groove under the condition that the operation cylinder 220 rotates around its own axis.

[0070] Referring to the drawings Figure 12 The outer wall of the operation cylinder 220 in the embodiment protrudes from the handle shell 100, so that an operator can operate the operation cylinder 220 conveniently, wherein the operation cylinder 220 and the transmission cylinder 221 are connected in a sleeving mode in the embodiment, and the operation cylinder 220 and the transmission cylinder 221 can rotate synchronously in the circumferential direction through the matching of the protrusion and the groove in the design. Of course, it is conceivable that the operation cylinder 220 and the transmission cylinder 221 can also be provided in an integrated structure, and the split structure of the operation cylinder 220 and the transmission cylinder 221 in the embodiment facilitates processing. The transmission cylinder 221 in the embodiment is provided with the spiral groove 2211, as shown in the drawings Figure 10 The spiral groove 2211 in the embodiment penetrates the side wall of the transmission cylinder 221, so that the depth of the spiral groove 2211 does not need to be considered in processing, and processing is facilitated. Of course, it is conceivable that the spiral groove 2211 can be arranged on the inner wall of the transmission cylinder 221.

[0071] As one of the embodiments of the utility model, the handle shell 100 is formed with a mounting port 102, the rotary driving assembly is static relative to the handle shell 100 along the axial direction of the mounting port 102, the linear moving piece 211 is static relative to the handle shell 100 along the circumferential direction, the first driving module includes a front limiting support 213 and a rear limiting support 214 fixed in the handle shell 100, the front limiting support and the rear limiting support 214 are arranged at intervals along the axial direction of the mounting port, the rotary driving assembly is arranged in the interval, and the front limiting support 213 and the rear limiting support 214 are respectively stopped at both ends of the rotary driving assembly along the axial direction of the mounting port.

[0072] The front limiting support 213 and the rear limiting support 214 are respectively formed with a guide hole matched with the outer wall of the linear moving piece, a sliding groove is respectively formed in the guide hole of the front limiting support 213 and the rear limiting support 214, a sliding boss is arranged on the outer wall of the linear moving piece and is in sliding cooperation with the sliding groove, and the rotary driving assembly drives the linear moving piece to slide linearly in the sliding groove along the axial direction of the mounting port.

[0073] The linear moving part 211 comprises a first cylinder 2111, an adjusting block 212 and the driving protrusion 210, the first cylinder 2111 is arranged in the handle housing 100 and the central hole of the first cylinder 2111 is opposite to the mounting port 102, the front end of the first cylinder 2111 is opposite to the mounting port 102, the front end and the rear end of the outer wall of the first cylinder 2111 are respectively provided with the sliding boss, the driving protrusion 210 is arranged on the outer wall between the sliding boss at the front end and the sliding boss at the rear end of the first cylinder 2111, the adjusting block 212 is arranged in the central hole at the rear end of the first cylinder 2111, and the adjusting block 212 is used for cooperating with the first cylinder 2111 to fix the driving end of the surgical instrument.

[0074] The central hole at the rear end of the first cylinder 2111 is formed with an internal thread, the outer wall of the adjusting block 212 is formed with an external thread corresponding to the internal thread, the adjusting block 212 is threadedly connected with the first cylinder 2111, the inner wall of the central hole of the first cylinder 2111 is formed with a positioning step 2114, the positioning step 2114 is opposite to one end of the adjusting block 212 and is arranged in the interval, and the driving end of the surgical instrument comprises a first blocking ring 5201, the first blocking ring 5201 is arranged in the interval between the adjusting block 212 and the positioning step 2114 and is clamped and fixed by the adjusting block 212 and the positioning step 2114.

[0075] The linear moving part 211 comprises the front end sliding boss 2112 and the rear end sliding boss 2113 arranged on the outer wall at the front end and the outer wall at the rear end of the first cylinder 2111, the front limiting support and the rear limiting support are respectively provided with the front end sliding groove and the rear end sliding groove corresponding to the front end sliding boss 2112 and the rear end sliding boss 2113 and along the axial direction of the first cylinder 2111, the front end sliding boss 2112 and the rear end sliding boss 2113 are respectively connected in the front end sliding groove and the rear end sliding groove in a protruding block sliding mode, the adjusting block 212 is arranged in the central hole at the rear end of the linear moving part 211, and the driving protrusion 210 is arranged on the outer wall of the linear moving part 211.

[0076] Since the cooperation structure of the spiral groove 2211 and the driving protrusion 210 is adopted in the embodiment, the driving structure of the thread cooperation in the prior art is abandoned, so that compared with the cooperation structure of the screw rod and the screw sleeve, the specific structures of the linear moving part and the rotary driving unit need to be optimized in actual arrangement, the linear moving part of the linear moving part in the embodiment comprises the first cylinder 2111, the adjusting block 212 and the driving protrusion 210, as shown in the attached Figure 1 、 3As shown in the middle, the axial direction of the first cylinder body 2111 is along the axial direction of the mounting port 102, in order to realize the stable installation of the linear moving part 211, the front limiting support and the rear limiting support are arranged in the embodiment, the front limiting support and the rear limiting support support the front end and the rear end of the first cylinder body 2111 respectively, can play the effect of stable support, through the cooperation of the front end sliding boss 2112 and the rear end sliding boss 2113 on the front limiting support and the rear limiting support and the front end sliding groove and the rear end sliding groove on the first cylinder body 2111, the sliding connection is realized, and the rotation of the linear moving part 211 in the circumferential direction can also be limited, from the attached Figure 1 、 10 , 11 can be seen, the sliding boss and the sliding groove are arranged in the circumferential direction, which can further improve the stability of the installation.

[0077] The center hole of the rear end of the first cylinder body 2111 is formed with an internal thread, the outer wall of the adjusting block 212 is formed with an external thread corresponding to the internal thread, the adjusting block 212 and the first cylinder body 2111 are threadedly connected, the inner wall of the center hole of the first cylinder body 2111 is formed with a positioning step 2114, the positioning step 2114 is opposite to and spaced from one end of the adjusting block 212, the execution input end of the surgical instrument includes a first blocking ring 5201, the first blocking ring 5201 is arranged in the space between the adjusting block 212 and the positioning step 2114, and is clamped and fixed by the adjusting block 212 and the positioning step 2114, the outer wall surface of the first cylinder body 2111 is provided with a pin hole, and the driving protrusion 210 is inserted into the pin hole. The adjusting block 212 in the embodiment is detachably connected between the first cylinder body 2111 through the threaded structure, the adjusting block 212 is arranged at the rear end of the linear moving part 211, and the adjusting block 212 is used to cooperate with the positioning step 2114 on the first cylinder body 2111 to fix the first blocking ring 5201 (it should be noted that the fixing referred to here refers to the fixing of the first blocking ring 5201 in the axial direction, and the first blocking ring 5201 can rotate in the circumferential direction to adapt to the overall rotating action of the execution end of the surgical instrument), so that when the linear moving part 211 slides, the execution input end of the surgical instrument can be driven to slide by the first blocking ring 5201, and the action (deflection or opening and closing) of the jaw assembly 500 is further driven.

[0078] In the use process, the threaded connection structure of the adjusting block 212 and the linear moving part 211 can adjust the spacing between the positioning step 2114 and the adjusting block 212 according to the thickness of the first blocking ring 5201 itself, can well eliminate the problem of axial shaking of the first blocking ring 5201 caused by the machining precision of the first blocking ring 5201, and improve the stability of the action of the execution end of the surgical instrument.

[0079] As one of the embodiments of the utility model, the outer wall surface of the linear moving part 211 is provided with a pin hole, and the driving protrusion 210 is inserted into the pin hole. In this embodiment, the driving protrusion 210 and the linear moving part 211 are in a plug-in structure, so that the driving protrusion 210 can be conveniently replaced when it is seriously worn.

[0080] As one of the embodiments of the utility model, the outer wall surface of the one end of the driving protrusion 210 inserted into the spiral groove 2211 is provided with a cylindrical surface, and the cylindrical surface abuts against two opposite side walls of the spiral groove 2211 and is in line contact with the side walls of the spiral groove 2211.

[0081] Referring to the accompanying drawings Figure 1 , 4 , 10, 11, the cylindrical surface and the spiral groove 2211 are matched in this embodiment, so that the line contact is formed between the driving protrusion 210 and the spiral groove 2211, the contact area can be further reduced, and the frictional resistance is further reduced.

[0082] Of course, it is conceivable that the cross section of the one end of the driving protrusion 210 inserted into the spiral groove 2211 can be provided with a rectangular shape, so that the matching between the driving protrusion 210 and the spiral groove 2211 is also in the effect of surface contact, but since the driving protrusion 210 is only combined with the partial inner side wall of the spiral groove 2211, compared with the thread structure (the trapezoidal thread structure is generally adopted in the prior art), the contact area can also be reduced, and of course, it also belongs to the protection range of the utility model.

[0083] In addition, in order to improve the stability during use, the helix rise angle of the spiral groove 2211 is greater than the friction angle between the driving protrusion 210 and the spiral groove 2211. In this way, the sliding position of the linear moving part can be self-locked, the stability is improved, and the shaking of the execution end of the surgical instrument caused by improper operation is avoided.

[0084] One of the embodiments of the utility model is that the handle shell 100 is formed with a fixed handle 103, and the operation handle further comprises a second driving module, the second driving module comprises a movable handle 310 and a transmission assembly, the movable handle 310 is arranged opposite to the fixed handle 103, one end of the movable handle 310 is hinged in the handle shell 100, the other end of the movable handle 310 is arranged outside the handle shell 100, the movable handle is hinged and connected with the first end of the transmission assembly in the handle shell, the second end of the transmission assembly is opposite to the mounting port and can slide linearly along the axial direction of the mounting port, the second end of the transmission assembly forms the output end of the second driving module and is used for being connected with the driving end of the surgical instrument.

[0085] Referring to the accompanying drawingsFigure 1 , 2 6, 7, 8, A fixed handle 103 is formed on the handle housing 100. The surgical instrument operating handle also includes a second drive module, which includes a movable handle 310 and a transmission assembly. The movable handle 310 is disposed opposite to the fixed handle 103. One end of the movable handle 310 is hinged inside the handle housing 100, and the other end of the movable handle 310 extends out of the handle housing 100. The transmission assembly includes a transmission link 311 and a power output component 312. The power output component 312 is slidably connected inside the handle housing 100. The first end of the power output component 312 is opposite to the mounting port 102, and the second end of the power output component 312 is hinged to one end of the transmission link 311. The other end of the transmission link 311 is hinged to the movable handle 310. The rotation of the movable handle 310 can drive the power output component 312 to slide along the handle housing 100 and cause the first end of the power output component 312 to slide axially along the mounting port 102.

[0086] As can be seen from the figure, in this embodiment, part of the movable handle 310 is installed inside the handle housing 100, and part of it is inside the handle housing 100. When in use, the operator holds the fixed handle 103 and squeezes the movable handle 310 with his / her fingers, causing the movable handle 310 to rotate relative to the fixed handle 103, thereby driving the power output component 312 to slide inside the handle housing 100. In other words, the rotational motion of the movable handle 310 is converted into the linear motion of the power output component 312.

[0087] In this embodiment, the power output component 312 is arranged opposite to the linear moving component mentioned in the above embodiments. In actual design, the power output component 312 and the linear moving component can be arranged on the same straight line, as shown in the attached figure. Figure 2 As shown, the linear moving part of this utility model is located in front of the power output part 312. A through channel can be provided on the linear moving part, so that one end of the surgical instrument can extend through the through channel on the linear moving part to the power output part 312 and be connected to the power output part 312. In this way, the power output part 312 and the linear moving part can control the surgical instrument separately. For example, the linear moving part can be connected to the yaw drive module of the forceps assembly 500 in the surgical clamping instrument, and the power output part 312 can be connected to the opening and closing drive module of the forceps assembly 500. In this way, during use, the operator can control the yaw or opening and closing action of the forceps assembly 500 by operating the first drive module and the second drive module on the operating handle.

[0088] The movable handle 310 comprises a guide driving part 3101 and a holding limiting part, the handle shell 100 is formed with a guide window at the front side of the fixed handle 103, one end of the guide driving part 3101 is hinged in the handle shell 100, the other end of the guide driving part 3101 passes through the guide window and is connected with the holding limiting part, and the two side edges of the holding limiting part protrude from the two sides of the guide driving part 3101.

[0089] The holding limiting part comprises a holding part 3102 and a limiting part 3103 opposite to the holding part 3102, the end of the holding part 3102 is connected with the end of the limiting part 3103, a holding space is formed between the holding part 3102 and the limiting part 3103, one side of the holding part 3102 is connected with the guide driving part 3101, and the surface of the holding part 3102 away from the guide driving part 3101 forms a holding surface, and the holding surface forms a curved surface easy to hold.

[0090] In use, the movable handle 310 is held through the holding part 3102, the holding part 3102 of the movable handle 310 in the embodiment has a certain width, and in specific design, the width of the holding surface can be set to 2-5 cm, so that the contact area of the hand and the movable handle 310 can be increased, the stability of holding is provided, in addition, the limiting part 3103 opposite to the holding surface is arranged on the movable handle 310, in holding, the hand is placed in the gap between the limiting part 3103 and the holding part 3102, so that the limiting part 3103 can form a certain limiting and supporting effect on the hand, and holding is more stable.

[0091] As one of the embodiments of the utility model, the second driving module further comprises a locking mechanism arranged on the handle shell 100, the second end of the transmission assembly comprises a pushing-out position and an initial position, in the initial position, the second end of the transmission assembly forms the maximum spacing with the mounting port 102, in the pushing-out position, the second end of the transmission assembly is located between the initial position and the mounting port 102, the locking mechanism comprises a locking position and an unlocking position, in the locking position, the locking mechanism limits the movable handle 310 to drive the power output part 312 to slide from the pushing-out position to the initial position, in the unlocking position, the movable handle can be freely opened and closed.

[0092] Specifically, the power output member 312 comprises an initial position and an ejecting position, in the initial position, the output end of the power output member 312 is farthest from the mounting port 102, in the ejecting position, the output end of the power output member 312 is between the initial position and the mounting port 102, the movable handle 310 comprises a first gear row 3104 arranged in the guide driving module, the locking mechanism comprises a second gear row 3201 corresponding to the first gear row 3104, the locking mechanism comprises a locking position and an unlocking position, in the locking position, the first gear row 3104 is engaged with the second gear row 3201, and the locking mechanism limits the movable handle 310 from driving the power output member 312 to slide from the ejecting position to the initial position, in the unlocking position, the first gear row 3104 is disengaged from the second gear row 3201.

[0093] The embodiment discloses a locking mechanism for locking the second driving module, during the use of the surgical instrument, the size of the opening and closing port of the jaw assembly 500 often needs to be adjusted to facilitate the surgical operation, as can be known from the above embodiment, the operator drives the opening and closing of the jaw assembly 500 by holding the movable handle 310 (for example, illustration), when the size of the opening and closing port is adjusted to be appropriate, the position of the movable handle 310 needs to be fixed at this time, and it is unrealistic that the operator keeps holding the position of the movable handle 310 by hand holding force, therefore, the locking mechanism needs to be arranged, the locking mechanism of the application can realize the locking of the movable handle 310 by the mutual engagement of the first gear row 3104 and the second gear row 3201, and the locking mechanism is locked in the locking position. Figure 5 When the first gear row 3104 and the second gear row 3201 are disengaged from each other, the movable handle 310 can be freely moved.

[0094] The locking mechanism comprises a locking knob 321 and a locking piece 320, the locking piece 320 is hinged in the handle housing 100, a mounting groove is arranged on the front side wall of the handle housing 100, the locking knob 321 comprises a rotating seat and a cam transition surface 3212 arranged on the rotating seat, the rotating seat is rotatably arranged in the mounting groove, and the outer wall of the rotating seat protrudes from the outer wall of the handle housing 100, the locking piece 320 comprises a force receiving part 3202 opposite to the locking knob 321 and the second gear row 3201, a torsion spring is arranged between the locking piece 320 and the handle housing 100, one end of the force receiving part 3202 of the locking piece 320 is abutted against the cam transition surface 3212 under the action of the torsion spring, and the rotation of the locking knob 321 makes the first gear row 3104 and the second gear row 3201 disengage or engage through the cooperation of the cam transition surface 3212 and the force receiving part 3202.

[0095] In use, the operator controls whether the locking mechanism and the movable handle 310 are locked or not by rotating the locking knob 321, and due to the cam transition surface 3212 arranged on the locking knob 321, different positions on the cam transition surface 3212 abut against the force receiving part 3202 during the rotation of the locking knob 321, so that the force receiving part 3202 of the locking part 320 is moved, and the whole locking part 320 is rotated to disengage or engage the first gear row 3104 and the second gear row 3201. The locking knob 321 of the utility model is arranged on the front side of the handle housing 100 and partly protrudes from the handle housing 100, so that the operation is facilitated.

[0096] The locking mechanism can limit the action of the movable handle 310 from the pushed-out position to the initial position, can keep the power output part 312 in the pushed-out position, avoids the need for the operator to hold and keep the pushed-out state all the time, and can improve the stability.

[0097] As one of the embodiments of the utility model, the operation handle further comprises a third driving module, the third driving module comprises a rotating drum 410 and a blocking rod 411 arranged on the rotating drum 410, one end of the rotating drum 410 penetrates through the mounting hole and is rotationally connected to the handle housing, the other end of the rotating drum 410 protrudes out of the handle housing 100, the rotating drum 410 is formed with a mounting channel along the axial direction of the mounting hole, the blocking rod 411 is detachably connected to the rotating drum 410 along the radial direction of the rotating drum 410, the blocking rod 411 is used for being connected to the driving end of the surgical instrument in the mounting channel, along the axial direction of the mounting channel, the blocking rod can slide relative to the driving end of the surgical instrument, and the rotation of the rotating drum around its own axis can drive the driving end of the surgical instrument to rotate through the blocking rod.

[0098] In use, the input end of the surgical instrument penetrates through the instrument perforation on the rotating drum 410 to enter the inside of the handle housing 100, so that the input end of the surgical instrument and the rotating drum 410 form a sleeved structure, as shown in the drawings, the input end of the surgical instrument comprises a yaw driving pipe 520 and an opening and closing driving rod 530 which are sleeved, and the sidewalls of the yaw driving pipe 520 and the opening and closing driving rod 530 are formed with through holes corresponding in position along the radial direction, during installation, the blocking rod 411 penetrates through the through holes on the rotating drum 410 and the yaw driving pipe 520 and the opening and closing driving rod 530 of the surgical instrument at the same time, so that when the rotating drum 410 rotates, the yaw driving pipe 520 and the opening and closing driving rod 530 can be driven to rotate together through the blocking rod 411, and the overall rotation of the surgical instrument is realized, and it should be noted that in order to adapt to the axial sliding of the yaw driving pipe 520 and the opening and closing driving rod 530, the through holes on the yaw driving pipe 520 and the opening and closing driving rod 530 have a certain length along the axial direction, and space is reserved for the axial sliding of the yaw driving pipe 520 and the opening and closing driving rod 530.

[0099] In conclusion, it can be seen that the operation handle of the surgical instrument comprises a first driving module, a second driving module and a third driving module, wherein the first driving module can drive the linear motion of the yaw driving pipe 520, thereby driving the yaw action of the execution end of the surgical instrument, the second driving module can drive the linear motion of the opening and closing driving rod 530, thereby driving the opening and closing action of the execution end of the surgical instrument, and the third driving module can drive the yaw driving pipe 520 and the opening and closing driving rod 530 to rotate together, thereby driving the rotation of the whole surgical instrument. The operation cylinder 220, the movable handle 310 and the locking knob 321 and the rotating cylinder 410 corresponding to the first driving module, the second driving module and the third driving module are arranged at the appropriate positions of the operation handle, so as to facilitate the operation personnel to control.

[0100] The utility model discloses still a kind of surgical instruments, referring to attached Figure 15 、 16 Including jaw head subassembly 500, jaw head drive subassembly and operation handle, the output of jaw head drive subassembly is connected with jaw head subassembly 500, the handle uses the surgical instrument operation handle disclosed in above-mentioned embodiment, the driving end of jaw head drive subassembly passes through the installation port 102 and is inserted into the handle shell 100 and is connected with the linear moving piece.

[0101] As one of the embodiments of the utility model, the jaw head drive subassembly includes a yaw driving pipe for driving the yaw of the jaw head subassembly 500, the driving end of the yaw driving pipe passes through the installation port and is inserted into the handle shell, and is connected with the linear moving piece.

[0102] The jaw driving assembly in the embodiment comprises a deflection driving pipe 520 and an opening and closing driving rod 530 which are sleeved with each other, wherein the surgical instrument further comprises a pipe body 510 arranged outside the deflection driving pipe 520 and the opening and closing driving rod 530, as shown in the drawings, wherein the pipe body 510, the deflection driving pipe 520 and the opening and closing driving rod 530 are sequentially arranged from outside to inside in the radial direction, in the specific installation, the pipe body 510 is matched with the rotating cylinder 410, the deflection driving pipe 520 is matched with the linear moving part 211 in the linear moving part, and the opening and closing driving rod 530 is connected with the power output part 312 in the second driving module, wherein the matching relationship between the opening and closing driving rod 530 and the power output part 312 and the matching structure between the deflection driving pipe 520 and the linear moving part 211 can be set to be consistent. In use, the first driving module is used to drive the axial sliding of the deflection driving pipe 520, specifically by rotating the operating cylinder 220 to drive the axial sliding of the deflection driving pipe 520; the second driving module is used to drive the axial sliding of the opening and closing driving rod 530, specifically by holding and pressing the opening and closing of the movable handle 310 to drive the axial sliding of the opening and closing driving rod 530; the third driving module is used to drive the overall rotation of the surgical instrument, specifically by rotating the rotating cylinder 410 to drive the pipe body 510, the deflection driving pipe 520 and the opening and closing driving rod 530 to rotate together.

[0103] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, and those skilled in the art should understand that the present application includes but is not limited to the contents described in the drawings and the above specific embodiment. Any modification which does not deviate from the functional and structural principles of the present application will be included in the scope of the claims.

Claims

1. A surgical instrument operating handle, comprising a handle housing (100), characterized in that, The operating handle also includes a first drive module, which includes a rotary drive assembly, a linear moving part (211), and a drive protrusion (210). The rotary drive assembly is rotatably disposed within the handle housing (100); The rotary drive assembly has a mounting through hole, and the linear moving part (211) is disposed in the mounting through hole. The linear moving part (211) is used to connect to the drive end of the surgical instrument. A spiral groove (2211) is formed on one of the inner sidewall of the mounting through hole and the outer sidewall of the linear moving member. The driving protrusion (210) is fixedly disposed on the other of the inner sidewall of the mounting through hole and the outer sidewall of the linear moving member (211), and the driving protrusion (210) is inserted into the spiral groove (2211). The driving protrusion (210) can move relative to the sidewall of the spiral groove (2211) while the rotary drive assembly rotates about its own axis, so as to drive the linear moving member to move along the axial direction of the rotary drive assembly.

2. The surgical instrument operating handle as described in claim 1, characterized in that, The rotary drive assembly includes an operating cylinder (220) and a transmission cylinder (221). The operating cylinder (220) is sleeved on the outside of the transmission cylinder (221). The center of the transmission cylinder (221) forms the mounting through hole. The rotation of the operating cylinder (220) around its own axis can drive the transmission cylinder (221) to rotate. An operating window is formed on the part of the handle housing (100) opposite to the operating cylinder (220). The operating cylinder (220) is exposed through the operating window of the handle housing.

3. The surgical instrument operating handle as described in claim 1, characterized in that, The handle housing (100) has a mounting opening (102). The rotary drive assembly is stationary relative to the handle housing (100) along the axial direction of the mounting opening (102). The linear moving member (211) is stationary relative to the handle housing in the circumferential direction. The first drive module includes a front limiting bracket (213) and a rear limiting bracket (214) fixed in the handle housing (100). The front limiting bracket and the rear limiting bracket (214) are spaced apart along the axial direction of the mounting opening. The rotary drive assembly is disposed within the interval. The front limiting bracket (213) and the rear limiting bracket (214) respectively stop at both ends of the rotary drive assembly along the axial direction of the mounting opening.

4. The surgical instrument operating handle as described in claim 3, characterized in that, The linear moving member (211) includes a first cylindrical body (2111), an adjusting block (212), and a driving protrusion (210). The first cylindrical body (2111) is disposed inside the handle housing (100), and the center hole of the first cylindrical body (2111) is opposite to the mounting port (102). The front end of the first cylindrical body (2111) is opposite to the mounting port (102). The front end and rear end of the outer wall of the linear moving member (211) are respectively provided with sliding protrusions. The front limiting bracket (213) and the rear limiting bracket (210) are... 4) Guide holes are formed to cooperate with the outer wall of the first cylindrical body (2111), and the inner wall of the guide hole is provided with a sliding groove that slides along the axial direction of the mounting port and cooperates with the sliding boss. The first cylindrical body (2111) is provided with the driving protrusion (210) on the outer wall between the sliding boss at the front end and the sliding boss at the rear end. The adjustment block (212) is provided in the central hole at the rear end of the first cylindrical body (2111). The adjustment block (212) is used to cooperate with the first cylindrical body (2111) to fix the driving end of the surgical instrument.

5. The surgical instrument operating handle according to any one of claims 1 to 4, characterized in that, The outer wall surface of the end of the drive protrusion (210) inserted into the spiral groove (2211) is set as a cylindrical surface. The cylindrical surface abuts against the two opposite side walls of the spiral groove (2211) and is in line contact with the side walls of the spiral groove (2211).

6. The surgical instrument operating handle according to any one of claims 1 to 4, characterized in that, The helix angle of the spiral groove (2211) is greater than the friction angle between the driving protrusion (210) and the spiral groove (2211).

7. The surgical instrument operating handle as described in claim 1, characterized in that, A fixed handle (103) is formed on the handle housing (100). The operating handle also includes a second drive module, which includes a movable handle (310) and a transmission component. The movable handle (310) is disposed opposite to the fixed handle (103). One end of the movable handle (310) is hinged inside the handle housing (100), and the other end of the movable handle (310) is placed outside the handle housing (100). The movable handle is hinged to the first end of the transmission component inside the handle housing. The second end of the transmission component is opposite to the mounting port of the handle housing (100) and can slide linearly along the axial direction of the mounting port of the handle housing (100). The second end of the transmission component forms the output end of the second drive module and is used to connect to the drive end of a surgical instrument.

8. The surgical instrument operating handle as described in claim 7, characterized in that, The second drive module further includes a locking mechanism disposed on the handle housing (100). The second end of the transmission component includes an extended position and an initial position. In the initial position, the second end of the transmission component forms a maximum distance with the mounting port (102). In the extended position, the second end of the transmission component is located between the initial position and the mounting port (102). The locking mechanism includes a locked position and an unlocked position. In the locked position, the locking mechanism restricts the sliding of the movable handle (310) driving the second end of the transmission component from the extended position to the initial position. In the unlocked position, the movable handle can be opened and closed freely.

9. The surgical instrument operating handle as described in claim 1, characterized in that, The surgical instrument operating handle also includes a third drive module, which includes a rotating cylinder (410) and a stop bar (411) disposed on the rotating cylinder (410). One end of the rotating cylinder (410) passes through the mounting port of the handle housing (100) and is rotatably connected to the handle housing (100). The other end of the rotating cylinder (410) extends out of the handle housing (100). An mounting channel is formed on the rotating cylinder (410) along the axial direction of the mounting port of the handle housing (100). The stop bar (411) is detachably connected to the rotating cylinder (410) radially. The stop bar (411) is used to connect with the drive end of the surgical instrument in the mounting channel. Along the axial direction of the mounting channel, the stop bar (411) can slide relative to the drive end of the surgical instrument. The rotation of the rotating cylinder (410) around its own axis can drive the drive end of the surgical instrument to rotate through the stop bar (411).

10. A surgical instrument comprising a forceps head assembly (500), a forceps head drive assembly, and an operating handle, wherein the output end of the forceps head drive assembly is connected to the forceps head assembly (500), characterized in that, The handle is a surgical instrument operating handle as described in any one of claims 1 to 9. The pliers drive assembly includes a yaw drive tube (520) for driving the pliers assembly (500) to yaw, the drive end of the yaw drive tube (520) extending into the handle housing (100) and connected to the linear moving member.

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