CN214712628U - Auxiliary surgical instrument - Google Patents

Abstract

The application discloses a surgical auxiliary instrument, which comprises a first power assembly and a second power assembly, wherein the first power assembly comprises a first driving unit and a first transmission piece, the first driving unit and the first transmission piece are arranged in a transmission manner, the first transmission piece is driven by the first driving unit so as to enable the first transmission piece to have an extending working state and a retracting working state, and the first transmission piece can transmit torque provided by the first driving unit; the second power assembly comprises a second driving unit and second transmission pieces, the second driving unit and the second transmission pieces are arranged in a transmission mode, and each second transmission piece is driven by the second driving unit which is matched with the second transmission piece in a transmission mode, so that the second transmission pieces have an extending working state and a retracting working state. The surgical auxiliary instrument has the advantages of simple structure, complete functions, convenience in carrying, control accuracy, reliability and the like.

Description

Auxiliary surgical instrument

Technical Field

The application belongs to the field of medical equipment, and particularly relates to an auxiliary surgical instrument.

Background

The types and the number of cases of the existing abdominal cavity operations are obviously increased, and great working pressure is brought to medical staff. Minimally invasive surgery has the advantages of small wound, light pain, quick recovery of patients and the like, and is widely applied to clinical treatment. The surgical auxiliary instrument plays an important role in the process of implementing minimally invasive surgery. However, the existing devices for implementing minimally invasive surgery are large, and only some hospitals with high levels are equipped correspondingly, so that the existing devices are expensive, and are difficult to carry in a portable manner, thereby bringing great trouble to actual medical work. In some cases, such as when a natural disaster occurs or in places with poor medical conditions, a minimally invasive surgery needs to be performed by medical staff, and due to the limitation of conditions, it is difficult to use surgical auxiliary instruments to assist the surgical procedure, which brings inconvenience to the medical staff and even brings great pain to patients. In addition, the existing surgical auxiliary instrument is often manually controlled through a handle, and in the surgical process, the control level of a doctor is tested, and the defects of high working strength and the like are overcome. If the invention can be used for the surgical auxiliary instrument with the advantages of simple structure, complete functions, convenient carrying, reliable operation and the like, the invention has important significance. To this end, the applicant proposes a new surgical aid.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an operation auxiliary instrument to solve at least one technical problem in the above technical problem.

The utility model discloses the technical scheme who adopts does:

a surgical auxiliary instrument comprises a first power assembly and a second power assembly, wherein the first power assembly comprises a first driving unit and a first transmission piece, the first driving unit and the first transmission piece are arranged in a transmission manner, the first transmission piece is driven by the first driving unit so as to enable the first transmission piece to have an extending working state and a retracting working state, and the first transmission piece can transmit torque provided by the first driving unit; the second power assembly comprises a second driving unit and second transmission pieces, the second driving unit and the second transmission pieces are arranged in a transmission mode, and each second transmission piece is driven by the second driving unit which is matched with the second transmission piece in a transmission mode, so that the second transmission pieces have an extending working state and a retracting working state.

Preferably, the first power assembly further comprises a first transmission assembly, and the first driving unit is arranged in a transmission manner with the first transmission member through the first transmission assembly; the auxiliary instrument comprises a plurality of second power assemblies, each second power assembly further comprises a second transmission assembly, and each second driving unit is in transmission arrangement with one second transmission piece through one second transmission assembly.

Preferably, the auxiliary instrument comprises a first mounting part and a second mounting part, the first mounting part and the second mounting part are arranged oppositely, and the first transmission assembly and the second transmission assembly are arranged between the first mounting part and the second mounting part; the auxiliary instrument further comprises one first transmission assembly and four second transmission assemblies, and the four second transmission assemblies are annularly arranged on the periphery of the first transmission assembly.

Preferably, the second transmission assembly comprises a second lead screw and a second sliding block matched with the second lead screw, and one end of the second lead screw is in rotatable limit connection with the first mounting part; the other end of the second lead screw penetrates through the second mounting part and is connected with the second driving unit, and the second lead screw is in rotatable limit connection with the second mounting part; and a second transmission part installation position is further arranged on the second sliding block, and the second transmission part is connected with the second transmission part installation position, so that when the second sliding block moves, the second transmission part can be driven to be in the extended working state or in the retracted working state.

Preferably, the first transmission assembly comprises a first lead screw and a first sliding block matched with the first lead screw, one end of the first lead screw is connected with the first mounting part in a rotatable limiting manner, the other end of the first lead screw penetrates through the second mounting part and is connected with the first driving unit, and the first lead screw is connected with the second mounting part in a rotatable limiting manner; and a first transmission piece mounting position is further arranged on the first sliding block, the first transmission piece and the first transmission piece mounting position are rotatably connected, so that the first sliding block can drive the first transmission piece to be in the extended working state or in the retracted working state, and the first transmission piece can rotate relative to the first sliding block.

Preferably, a first limiting hole is formed in the middle of the first mounting part, four second limiting holes are evenly distributed in the first mounting part on the periphery of the first limiting hole in an annular mode, one ends of the four second transmission parts are fixedly connected with the first sliding block, and the other end of each second transmission part penetrates through the second limiting hole matched with the second limiting hole in alignment mode and penetrates out of the first mounting part.

Preferably, the first driving unit comprises a first driving motor and a second driving motor, and the first driving motor is in transmission arrangement with the first lead screw; the auxiliary instrument further comprises a connecting piece, and the second driving motor is in transmission arrangement with the first transmission piece through the connecting piece; and one end of the connecting piece is in transmission connection with the second driving motor, and the other end of the connecting piece and one end of the first transmission piece are arranged in an axial sliding manner, so that when the first transmission piece is in the extended working state or in the retracted working state, the second driving motor can still provide torque for the first transmission piece through the connecting piece.

Preferably, the auxiliary instrument further comprises a third mounting part and a support part, the third mounting part is arranged opposite to the second mounting part, and the second mounting part is fixedly connected with the third mounting part through the support part; the first driving unit and the second driving unit are fixedly arranged on one side of the third installation part, the surgical auxiliary instrument further comprises a coupler, the first driving unit is arranged in a transmission mode through the coupler and the first transmission assembly, and the second driving unit is arranged in a transmission mode through the coupler and the second transmission assembly.

Preferably, the auxiliary instrument further comprises a control assembly, the control assembly comprises a traction body for adjusting the working angle of the surgical instrument, and each second transmission member is connected with one traction body aligned and matched with the second transmission member so as to adjust the working angle of the surgical instrument; the control assembly further comprises a surgical instrument penetrating channel, and one end of the surgical instrument is connected with the first transmission piece to adjust the working state of the surgical instrument.

Preferably, the manipulation assembly further comprises an adjustable joint assembly, the surgical instrument passes through the adjustable joint assembly, and the adjustable joint assembly is drawn by the traction body so as to adjust the working angle of the surgical instrument through the adjustable joint assembly.

Preferably, the auxiliary instrument further comprises an electronic control unit, and the electronic control unit is electrically connected with the first driving unit and the second driving unit, so that the first driving unit and the second driving unit are controlled by the electronic control unit.

Through the supplementary apparatus of operation that this application provided can bring following beneficial effect:

1. the surgical auxiliary instrument comprises a first power assembly and a second power assembly, the first power assembly comprises a first driving unit and a first transmission piece, the first transmission piece is made to have an extending working state, a retracting working state and a working state of transmission torque under the action of the first driving unit, and then the surgical instrument matched with the first transmission piece can be controlled, so that the surgical instrument matched with the first transmission piece can better meet self adjustment and action requirements of minimally invasive surgery.

2. The second driving unit drives the second transmission piece during operation, and further controls the operation control assembly through the telescopic action of the second transmission piece so as to adjust the working angle of the operation instrument; under the combined action of the first power assembly and the second power assembly, the surgical auxiliary instrument can better meet various control requirements for implementing minimally invasive surgery.

3. According to the surgical auxiliary instrument, the auxiliary instrument comprises the first installation part and the second installation part, and the first transmission part comprising the first power assembly and the second transmission part comprising the second power assembly are arranged between the first installation part and the second installation part, so that the surgical auxiliary instrument is more compact and reasonable in layout and more space-saving, the surgical auxiliary instrument meets the requirement of miniaturization, and the surgical auxiliary instrument meets the requirement of portability; this application further makes surgery auxiliary instrument includes a first transmission piece and four the second transmission assembly, and make four the second transmission assembly ring is located the periphery of first transmission assembly not only makes the requirement that the better satisfied of surgery auxiliary instrument ability was controlled makes its overall arrangement compacter reasonable moreover.

4. The second transmission component comprises a second lead screw and a second sliding block, and under the action of the second lead screw and the second sliding block, the second transmission component can be extended and retracted, so that the surgical instrument is further controlled; the transmission form of the screw rod sliding block is adopted, so that the second transmission assembly is accurate and reliable in transmission, and the transmission composition is simpler; similarly, this application is through making first transmission assembly includes first lead screw and first slider, also can make first transmission assembly has accurate, the reliable of transmission, and the transmission constitutes advantages such as simple.

5. According to the telescopic traction and transmission device, the first transmission component comprises the first driving motor and the second driving motor, the first driving motor is in transmission arrangement with the first transmission component through the first transmission component, the second driving motor is in transmission with the first transmission component through the connecting piece, under the combined action of the first driving motor and the second driving motor, the first transmission component can stretch and contract and can transmit torque, and stretching and torque transmission are realized through two independent motors, so that the first transmission component can realize independent or simultaneous telescopic traction and torque transmission, and the control is more coherent; the operation of the operation auxiliary instrument is simpler, and the operation auxiliary instrument meets the requirements of miniaturization and portability.

6. This application is through making surgery auxiliary instrument includes the third installed part, and makes the third installed part through a plurality of support piece with the second installed part is just to setting up, further makes first drive unit with the second drive unit set firmly in one side of third installed part, and then make the drive unit that surgery auxiliary instrument includes arranges more concentrated, makes moreover surgery auxiliary instrument is rationally distributed, the assembly of being convenient for, also makes it satisfy miniaturization and portable's requirement.

7. This application is through making auxiliary instrument includes electrical unit, and makes electrical unit and first drive unit with second drive unit electric connection sets up, and then makes first drive unit with second drive unit receives electrical unit control, when implementing the operation, the doctor can be according to actual need, through the control to electrical unit alright in order to implement minimal access surgery, not only makes operation auxiliary instrument be convenient for control, can reduce medical staff's working strength effectively moreover, reduces patient's misery, also can improve the success rate of operation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a structural view of a power unit included in the surgical assistance apparatus according to the embodiment of the present application;

FIG. 2 is an elevation view of a power unit included with the surgical assistance instrument provided in accordance with an embodiment of the present application;

FIG. 3 is an exploded view of a power unit included with the surgical assistance instrument provided in accordance with an embodiment of the present application;

FIG. 4 is a structural view of a second transmission assembly included in the surgical assistance instrument provided by an embodiment of the present application;

FIG. 5 is an elevation view of a second drive assembly included with the surgical assistance instrument provided in accordance with an embodiment of the present application;

fig. 6 is a structural view of a first transmission assembly included in the surgical assistance apparatus according to the embodiment of the present application.

Wherein the content of the first and second substances,

1 a first power assembly, 11 a first driving unit, 111 a first driving motor, 112 a second driving motor, 12 a first transmission piece, 13 a first transmission assembly, 131 a first lead screw, 132 a first sliding block, 1321 a first transmission piece mounting position, 133 a first limit column,

2 a second power component, 21 a second driving unit, 22 a second transmission piece, 23 a second transmission component, 231 a second lead screw, 232 a second sliding block, 2321 a second transmission piece mounting position, 233 a second limit column,

3 a first mounting part for mounting the first part,

4 a second mounting member to be mounted on the second body,

5, a support part is arranged on the upper surface of the support part,

6, a connecting piece is arranged on the lower part of the frame,

7. the third mounting part is provided with a third mounting part,

and 8, a coupler.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present application, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

In the present application, the number is included in a certain number or more, and two or more, for example.

For convenience of description, the terms "front", "rear", "left", "right", "up" and "down" will be used with respect to the user when the surgical aid is in use.

A surgical auxiliary instrument as shown in fig. 1 to 6, which includes a first power assembly 1 and a second power assembly 2, wherein the first power assembly 1 includes a first driving unit 11 and a first transmission member 12, the first driving unit 11 is arranged in transmission with the first transmission member 12, the first transmission member 12 is driven by the first driving unit 11, so that the first transmission member 12 has an extended working state and a retracted working state, and the first transmission member 12 can transmit a torque provided by the first driving unit 11; the second power assembly 2 includes a second driving unit 21 and a second transmission member 22, the second driving unit 21 and the second transmission member 22 are arranged in a transmission manner, and each second transmission member 22 is driven by the second driving unit 21 adapted to transmit, so that the second transmission member 22 has an extended working state and a retracted working state. The surgical assistant apparatus is designed as a surgical assistant apparatus for performing minimally invasive surgery. When the auxiliary instrument is implemented, the auxiliary instrument further comprises a control assembly, the control assembly comprises a plurality of traction bodies used for adjusting the working angle of the surgical instrument, and each traction body is connected with one second transmission piece which is aligned and matched with the traction body so as to adjust the working angle of the surgical instrument; the operation and control assembly further comprises a surgical instrument penetrating channel, one end of the surgical instrument is connected with the first transmission piece 12, and the working state of the surgical instrument is adjusted under the action of the first transmission piece 12. At the time of operation, the surgical instrument is controlled by the control assembly; specifically, a surgical instrument penetrating channel is arranged in the control assembly, the working angle of an executing part of the surgical instrument is driven by the second power assembly 2, and the working angle of the surgical instrument is adjusted through a traction body included in the control assembly; and the working position and the working state of the surgical instrument are adjusted through the first power assembly 1. In specific implementation, the control assembly may further selectively include an adjustable joint assembly, the adjustable joint assembly is pulled by a pulling body, the surgical instrument passes through the adjustable joint assembly, and the operator adjusts the working angle of the surgical instrument by adjusting the second power assembly 2 and further adjusting the adjustable joint assembly through the pulling body. Particularly, for example, in the process of an abdominal cavity minimally invasive surgery, the adjustable joint component extends into the abdominal cavity of a patient, a surgical instrument penetrates out of the adjustable joint component, and the adjustable joint component is pulled by a traction body, so that the working angle of the surgical instrument can be adjusted by adjusting the adjustable joint component. In specific implementation, the adjustable joint component further comprises a plurality of joints, the included angle between the adjacent joints can be adjusted, and the joints are connected in series by the traction body. The pulling body is not particularly limited, and may be selectively provided as a pulling wire or a pulling rope, and preferably, as a pulling wire.

In addition, according to the present application, the first power assembly 1 is used for operating the surgical instrument through the first transmission member 12, so that the first power assembly 1 can provide pushing force or pulling force to the surgical instrument, and meanwhile, the surgical instrument can be rotated, so as to meet the operating requirement of the operation. The surgical auxiliary instrument comprises a first power assembly 1 and a second power assembly 2, the first power assembly 1 comprises a first driving unit 11 and a first transmission piece 12, the first transmission piece 12 is enabled to have an extending working state, a retracting working state and a torque transmission working state under the action of the first driving unit 11, and then the surgical instrument matched with the first driving unit can be controlled, so that the surgical instrument matched with the first driving unit can better meet self-adjustment and action requirements of minimally invasive surgery. In addition, the present application provides that the second power assembly 2 includes a second driving unit 21 and a second transmission 22, and further preferably, the auxiliary instrument includes a plurality of second power assemblies 2, during the operation, the second driving unit 21 drives the second transmission 22, and further controls the operation control assembly through the telescopic action of the second transmission 22 to adjust the working angle of the operation instrument; under the combined action of the first power assembly 1 and the second power assembly 2, the surgical auxiliary instrument can better meet various control requirements for implementing minimally invasive surgery.

It should be further noted that the structural form of the first transmission member 12 is not particularly limited, and in particular implementation, it is preferable that the first transmission member 12 is configured as a transmission rod with certain rigidity; in addition, the structure of the second transmission member 22 is not particularly limited, and it is preferable that the second transmission member 22 is also configured as a transmission rod with certain rigidity.

As a preferred embodiment of the present application, the first power assembly 1 further comprises a first transmission assembly 13, and the first driving unit 11 is in transmission with the first transmission piece 12 through the first transmission assembly 13; the auxiliary device comprises a plurality of second power assemblies 2, each second power assembly 2 further comprises a second transmission assembly 23, and each second driving unit 21 is in transmission arrangement with one second transmission member 22 through one second transmission assembly 23. It should be noted that the structures of the first transmission assembly 13 and the second transmission assembly 23 are not limited in particular, and may be any transmission assembly capable of realizing the required transmission. In practical implementation, the number of the second power assemblies 2 is not particularly limited, and two, three, four, five or six or more second power assemblies 2 may be selectively provided, but in practical implementation, as shown in fig. 1 to 3, it is preferable that the number of the second power assemblies 2 is four; the number of the first power assemblies 1 is not particularly limited, and may be selectively one, two, three, or four or more, but in the specific implementation, it is preferable to set one first power assembly 1.

As a preferred example of the foregoing embodiment, the foregoing embodiment and the convertible embodiment may each further selectively enable the auxiliary device to include a first mounting part 3 and a second mounting part 4, and specifically, as shown in fig. 1 to 3, the first mounting part 3 and the second mounting part 4 are arranged in a facing manner, and the first transmission assembly 13 and the second transmission assembly 23 are both arranged between the first mounting part 3 and the second mounting part 4; the auxiliary instrument further comprises one first transmission assembly 13 and four second transmission assemblies 23, and the four second transmission assemblies 23 are annularly arranged on the periphery of the first transmission assembly 13. In practical implementation, the structures of the first mounting part 3 and the second mounting part 4 are not limited in particular, and may be any structural form capable of realizing the mounting of the first transmission assembly 13 and the second transmission assembly 23, and in practical implementation, it is preferable that the first mounting part 3 is a plate-shaped mounting part, and the second mounting part 4 is also a plate-shaped mounting part, and as shown in fig. 1 and 3 in particular, the first mounting part 3 and the second mounting part 4 are both circular plates.

As a preferred embodiment of the present application, as shown in fig. 4 and 5, all of the foregoing embodiments and their alternatives can further selectively make the second transmission assembly 23 include a second lead screw 231 and a second sliding block 232 adapted to the second lead screw 231, and one end of the second lead screw 231 is connected to the first mounting member 3 in a rotatable and limited manner; the other end of the second lead screw 231 penetrates through the second mounting part 4 to be connected with the second driving unit 21, and the second lead screw 231 is in rotatable limit connection with the second mounting part 4; a second transmission member installation position 2321 is arranged on the second slider 232, and the second transmission member 22 is connected to the second transmission member installation position 2321, so that when the second slider 232 moves, the second transmission member 22 can be driven to be in the extended working state or in the retracted working state. In practical implementation, it is preferable that a bushing is disposed at each of the joints between the second lead screw 231 and the first mounting part 3 and the second mounting part 4. In addition, in specific implementation, in order to enable the second transmission assembly 23 to work normally, the second transmission assembly 23 includes a second limiting column 233 adapted to the second sliding block 232, one end of the second limiting column 233 is fixedly connected to the first mounting part 3, and the other end of the second limiting column 233 is fixedly connected to the second mounting part 4, and the second lead screw 231 drives the second sliding block 232 to slide along the second limiting column 233 in the rotation process. This application is through making second transmission assembly 23 includes second lead screw 231 and second slider 232 second lead screw 231 with under the effect of second slider 232, just can realize the flexible of second driving medium 22 further controls surgical instruments, not only makes second transmission assembly 23 transmission is accurate, reliable, makes the transmission constitution comparatively simple moreover.

As a preferred embodiment of the present application, as shown in fig. 6, the present application may also preferably make the first transmission assembly 13 include a first lead screw 131 and a first slide block 132 adapted to the first lead screw 131, one end of the first lead screw 131 is connected to the first mounting component 3 in a rotatable limiting manner, the other end of the first lead screw 131 is connected to the first driving unit 11 through the second mounting component 4, and the first lead screw 131 is connected to the second mounting component 4 in a rotatable limiting manner; a first transmission piece mounting position 1321 is disposed on the first sliding block 132, and the first transmission piece 12 and the first transmission piece mounting position 1321 are rotatably connected, so that the first sliding block 132 can drive the first transmission piece 12 to be in the extended working state or in the retracted working state, and the first transmission piece 12 can rotate relative to the first sliding block 132. In practical implementation, it is preferable that a shaft sleeve is disposed at each of the joints between the first lead screw 131 and the first mounting part 3 and the second mounting part 4. In addition, when the concrete implementation is carried out, in order to enable the first transmission assembly 13 to normally work, the first transmission assembly 13 includes a first limit column matched with the first sliding block 132, one end of the first limit column is fixedly connected with the first mounting part 3, the other end of the first limit column is fixedly connected with the second mounting part 4, and in the rotation process of the first lead screw 131, the first sliding block 132 is driven to slide along the first limit column. Similarly, the first transmission assembly 13 includes the first lead screw 131 and the first sliding block 132, so that the first transmission assembly 13 has the advantages of accurate and reliable transmission, simple transmission composition and the like. In order to make the structural layout of the surgical auxiliary instrument reasonable and compact, in specific implementation, it is further preferable that a first limiting hole is formed in the middle of the first mounting member 3, four second limiting holes are annularly and uniformly distributed on the first mounting member 3 at the periphery of the first limiting hole, one end of each of the four second transmission members 22 is fixedly connected to the first sliding block 132, and the other end of each of the second transmission members 22 penetrates through the second limiting hole aligned and matched with the second transmission member and penetrates out of the first mounting member 3.

As a preferred embodiment of the present application, all the aforementioned embodiments including the first driving unit 11 may further selectively enable the first driving unit 11 to include a first driving motor 111 and a second driving motor 112, where the first driving motor 111 is in transmission arrangement with the first lead screw 131; the auxiliary instrument further comprises a connecting piece 6, and the second driving motor 112 is in transmission arrangement with the first transmission piece 12 through the connecting piece 6; one end of the connecting member 6 is connected to the second driving motor 112 in a driving manner, and the other end of the connecting member 6 is arranged to slide axially with one end of the first transmission member 12, so that when the first transmission member 12 is in the extended operating state or in the retracted operating state, the second driving motor 112 can still provide torque to the first transmission member 12 through the connecting member 6. In a specific embodiment, as shown in fig. 6, a mounting hole is formed in the first slider 132, the first transmission member 12 penetrates through the mounting hole and can rotate relative to the mounting hole, a limiting structure fixedly connected to the first transmission member 12 is disposed on the first transmission member 12 on two sides of the mounting hole, and the limiting structure can be selectively and fixedly connected to the first transmission member 12 through a pin; so that the first transmission member 12 can move with the first sliding block 132. In addition, in specific implementation, one end of the connecting member 6 may be selectively fixedly connected to the second driving motor 112, so that a limiting groove is formed in the other end of the connecting member 6, and one end of the first transmission member 12 is axially slidably and fittingly arranged with the limiting groove, so that when the first transmission member 12 moves along with the first sliding block 132, the second driving motor 112 and the first transmission member 12 may also transmit torque; in specific implementation, the cross section of one end of the first transmission piece 12 can be further selectively set to be a polygonal structure, and the limiting groove is set to be a polygonal groove matched with the polygonal structure; specifically, for example, the cross section of one end of the first transmission 12 is formed in a triangular, quadrangular, pentagonal, hexagonal, or other polygonal configuration. This application is through making first drive assembly 13 includes first driving motor 111 and second driving motor 112, and further makes first driving motor 111 warp first drive assembly 13 with the transmission of first driving piece 12 sets up, and makes second driving motor 112 warp connecting piece 6 with the transmission of first driving piece 12 under first driving motor 111 with under second driving motor 112's combined action, make first driving piece 12 can stretch out and draw back, can transmit the moment of torsion again, realize moreover that stretch out and draw back and transmit the moment of torsion and realize through two independent motors, so can make first driving piece 12 realizes that telescopic traction and transmission moment of torsion independently go on or go on simultaneously, make the operation auxiliary instrument controls simplyr, makes the operation auxiliary instrument satisfies the requirement of miniaturization and portable.

As a preferred embodiment of the present application, all the aforementioned embodiments, convertible embodiments, examples and convertible examples of the present application can further selectively enable the auxiliary instrument to further comprise a third mounting part 7 and a supporting part 5, wherein the third mounting part 7 is arranged opposite to the second mounting part 4, and the second mounting part 4 is fixedly connected with the third mounting part 7 through the supporting part 5; first drive unit 11 with second drive unit 21 set firmly in one side of third installed part 7, the supplementary apparatus of operation still includes shaft coupling 8, first drive unit 11 warp shaft coupling 8 with first transmission component 13 transmission sets up, second drive unit 21 warp shaft coupling 8 with the transmission of second transmission component 23 sets up. In specific implementation, the supporting member 5 is a supporting rod, one end of the supporting rod is fixedly connected with the second mounting member 4, and the other end of the supporting rod is fixedly connected with the third mounting member 7; it is further preferred that the connection of the support bar to the second and third mounting elements 4, 7 is provided at the outer edges of the second and third mounting elements 4, 7. This application is through making surgery auxiliary instrument includes third installed part 7, and makes third installed part 7 through a plurality of support piece 5 with second installed part 4 is just to setting up, further makes first drive unit 11 with second drive unit 21 set firmly in one side of third installed part 7, and then make the drive unit that surgery auxiliary instrument includes arranges more concentrate, makes moreover surgery auxiliary instrument is rationally distributed, the assembly of being convenient for, also makes it satisfy miniaturization and portable's requirement.

As a preferred embodiment of the present application, the present application may further selectively enable the auxiliary device to further comprise an electronic control unit, which is electrically connected to the first driving unit 11 and the second driving unit 21, so that the first driving unit 11 and the second driving unit 21 are controlled by the electronic control unit. In practical implementation, the second driving unit 21 is preferably also set as a driving motor, preferably a servo motor or a stepping motor, so as to facilitate control of the surgical auxiliary instrument and enable operation of the surgical auxiliary instrument to be more precise; the physician can control the first drive unit 11 and the second drive unit 21 via the electronic control unit to perform a surgical procedure. This application is through making auxiliary instrument includes electrical unit, and makes electrical unit and first drive unit 11 with second drive unit 21 power connection sets up, and then makes first drive unit 11 with second drive unit 21 receives electrical unit control, when implementing the operation, the doctor can be according to actual need, through the control to electrical unit alright in order to implement minimal access surgery, not only makes operation auxiliary instrument be convenient for control, can reduce medical staff's working strength and patient's misery moreover effectively, also can improve the success rate of operation.

It should be noted that although the present application includes the first transmission member 12 and the plurality of second transmission members 22, in practice, it is preferable that the first transmission member 12 and each of the second transmission members 22 are driven by independent driving units, so that each of the first transmission members 12 and each of the second transmission members 22 can be independently controlled during the operation, and the operation auxiliary device has good handling performance.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. An auxiliary surgical instrument is characterized in that,

the power transmission device comprises a first power assembly and a second power assembly, wherein the first power assembly comprises a first driving unit and a first transmission piece, the first driving unit and the first transmission piece are arranged in a transmission manner, the first transmission piece is driven by the first driving unit so as to enable the first transmission piece to have an extending working state and a retracting working state, and the first transmission piece can transmit torque provided by the first driving unit; the second power assembly comprises a second driving unit and second transmission pieces, the second driving unit and the second transmission pieces are arranged in a transmission mode, and each second transmission piece is driven by the second driving unit which is matched with the second transmission piece in a transmission mode, so that the second transmission pieces have an extending working state and a retracting working state.

2. A surgical assistant according to claim 1,

the first power assembly further comprises a first transmission assembly, and the first driving unit is in transmission arrangement with the first transmission piece through the first transmission assembly; the auxiliary instrument comprises a plurality of second power assemblies, each second power assembly further comprises a second transmission assembly, and each second driving unit is in transmission arrangement with one second transmission piece through one second transmission assembly.

3. A surgical assistant according to claim 2,

the auxiliary instrument comprises a first mounting part and a second mounting part, the first mounting part and the second mounting part are arranged oppositely, and the first transmission assembly and the second transmission assembly are arranged between the first mounting part and the second mounting part;

the auxiliary instrument further comprises one first transmission assembly and four second transmission assemblies, and the four second transmission assemblies are annularly arranged on the periphery of the first transmission assembly.

4. A surgical assistant according to claim 3,

the second transmission assembly comprises a second lead screw and a second sliding block matched with the second lead screw, and one end of the second lead screw is in rotatable limit connection with the first mounting piece; the other end of the second lead screw penetrates through the second mounting part and is connected with the second driving unit, and the second lead screw is in rotatable limit connection with the second mounting part;

and a second transmission part mounting position is arranged on the second sliding block, and the second transmission part is connected with the second transmission part mounting position, so that the second transmission part can be driven to be in the extending working state or the retracting working state when the second sliding block moves.

5. A surgical assistant according to claim 3,

the first transmission assembly comprises a first lead screw and a first sliding block matched with the first lead screw, one end of the first lead screw is in rotatable limit connection with the first mounting piece, the other end of the first lead screw penetrates through the second mounting piece to be connected with the first driving unit, and the first lead screw is in rotatable limit connection with the second mounting piece;

the first slider is provided with a first transmission piece mounting position, the first transmission piece and the first transmission piece mounting position are rotatably connected, so that the first slider can drive the first transmission piece to be in the outward extending working state or the retracting working state, and the first transmission piece can rotate relative to the first slider.

6. A surgical assistant according to claim 5,

the middle part of the first mounting part is provided with a first limiting hole, four second limiting holes are annularly and uniformly distributed on the periphery of the first limiting hole on the first mounting part, one end of each second transmission part is fixedly connected with the first sliding block, and the other end of each second transmission part penetrates through the corresponding second limiting hole aligned with the corresponding second limiting hole and penetrates out of the first mounting part.

7. A surgical assistant according to claim 5,

the first driving unit comprises a first driving motor and a second driving motor, and the first driving motor is in transmission arrangement with the first lead screw; the auxiliary instrument further comprises a connecting piece, and the second driving motor is in transmission arrangement with the first transmission piece through the connecting piece;

one end of the connecting piece is in transmission connection with the second driving motor, and the other end of the connecting piece is axially arranged with one end of the first transmission piece in a sliding manner, so that when the first transmission piece is in the extended working state or in the retracted working state, the second driving motor can still provide torque for the first transmission piece through the connecting piece.

8. A surgical aid according to any one of claims 3 to 7,

the auxiliary instrument further comprises a third mounting part and a supporting part, the third mounting part is arranged opposite to the second mounting part, and the second mounting part is fixedly connected with the third mounting part through the supporting part;

the first driving unit and the second driving unit are fixedly arranged on one side of the third installation part, the surgical auxiliary instrument further comprises a coupler, the first driving unit is arranged in a transmission mode through the coupler and the first transmission assembly, and the second driving unit is arranged in a transmission mode through the coupler and the second transmission assembly.

9. A surgical aid according to any one of claims 1 to 7,

the auxiliary instrument further comprises a control assembly, the control assembly comprises a traction body used for adjusting the working angle of the surgical instrument, and each second transmission piece is connected with the traction body matched with the second transmission piece in an aligned mode so as to adjust the working angle of the surgical instrument;

the control assembly further comprises a surgical instrument penetrating channel, and one end of the surgical instrument is connected with the first transmission piece to adjust the working state of the surgical instrument.

10. A surgical assistant according to claim 9,

the control assembly further comprises an adjustable joint assembly, a surgical instrument penetrates out of the adjustable joint assembly, and the adjustable joint assembly is pulled by the traction body so as to adjust the working angle of the surgical instrument through the adjustable joint assembly.

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