CN103110440A - Power-driven binding instrument used in surgery - Google Patents

Abstract

The invention provides a power-driven binding instrument used in surgery. The power-driven binding instrument used in the surgery comprises a power-driven general handle and replaceable end actuators, wherein the power-driven general handle controls the replaceable end actuators and provides power for the replaceable end actuators, the replaceable end actuators comprise different types of surgery binding instrument tail ends and are used for carrying out the surgery on human tissue, and standard interfaces are arranged between the power-driven general handle and the replaceable end actuators. Due to the fact that the power-driven binding instrument used in the surgery comprises the general handle and the replaceable end actuators, molding of nails is good, operation is convenient, resources are saved, and pollution is reduced. The power-driven binding instrument used in the surgery can be widely used in surgical operation such as alimentary canals, lungs and bronchi.

Description

Electric surgery binding instrument

Technical field

The present invention relates to medical instruments field, particularly relate to electric surgery binding instrument.

Background technology

Owing to have good, easy to use, the characteristics such as save time of suture quality height, postoperative effect, the staple class surgery binding instrument of sewing up, coincide has become a kind of indispensable apparatus in laparoscopic surgery.Present surgery binding instrument commonly used comprises stiching instrument under Linear stapler, stapler, circular anastomosis device, the chamber mirror, band cutter stiching instrument etc., and these apparatuses all are to adopt suturing nail to replace surgical thread to finish the sew application that carries out between own or the tissue organizing.Although important application is arranged in surgical operation, but existing staple series products also comes with some shortcomings, such as: after finishing using, the staple of only having stitching is useful part, the remainder of apparatus all will be discarded, this had both increased the operation cost, had strengthened the patient burden, caused again huge waste, and produced thus a large amount of environmental pollutions; In addition, because existing apparatus is entirely by doctor's manual operation, therefore, operation stitching effect can be different because of the difference of each factor such as the sex of user, age, experience, muscle power, and this just may cause that the shaping of staple " B " word is thorough, postoperative hemorrhage is many even not have the generation of the undesirable situation such as complete stitching.Good stitching forming effect is to guarantee the vital factor of operation quality, in operation process, should avoid as much as possible the appearance of undesirable stitching situation, reaches best surgical effect.

Summary of the invention

The object of the present invention is to provide the electric surgery binding instrument with universal handle and removable different end effector.

Electric surgery binding instrument comprises electronic universal handle and removable end effector, wherein:

Electronic universal handle is controlled replaceable end effector and is provided power to replaceable end effector; Removable end effector comprises that dissimilar surgery binding instruments is terminal, and tissue is carried out operation technique; Be provided with standard interface between electronic universal handle and the replaceable end effector, electronic universal handle is realized dismountable fixing from different end effectors by described standard interface, and the drive mechanism of electronic universal handle is connected by described standard interface so that the transmission of power of electronic universal handle realizes the surgical functions of end effector to end effector with the drive mechanism of end effector.

Preferably, described electronic universal handle comprises handle casing, electric supply installation, drive motors, control circuit board, driving snake, and wherein: handle casing is carrying and the contained structure of electronic universal handle, comprises action button, urceolus on it; Drive motors comprises closed drive motors, percussion drive motors, is contained in handle casing inside, accepts respectively the signal work of control circuit board and provides closed, percussion power for electric surgery binding instrument; Control circuit board comprises main control chip, is used for carrying out signal processing and executive control program; Driving snake comprises closed driving snake, percussion driving snake, it is inner and is connected with closed drive motors, percussion drive motors respectively that closed driving snake, percussion driving snake are arranged at described urceolus, is respectively applied to closed drive motors, the closure of percussion drive motors output, percussion Motion Transmission are arrived end effector.

Preferably, also comprise step display lamp, safety guarantee lamp on the described handle casing, the step display lamp is used for reminding the current duty that is in of operator's electric surgery binding instrument, and the safety guarantee lamp is used for the safe condition of reminding user electric surgery binding instrument; Described drive motors is DC servo motor; Described electric supply installation is built-in power or external power supply interface; Between drive motors and driving snake, be provided with the transmission module group, be used for the Motion Transmission of drive motors output is arrived driving snake.

Preferably, be provided with closed turn-screw, percussion turn-screw in the described replaceable end effector; One end of closed turn-screw is connected with close mechanism, and the other end is connected with closed driving snake by described standard interface; One end of percussion turn-screw is connected with firing lock, and the other end is connected with the percussion driving snake by described standard interface.

Preferably, described replaceable end effector comprises that the circular anastomosis device is terminal.

Preferably, described replaceable end effector comprises that Linear stapler is terminal.

Preferably, the closure of described Linear stapler end, percussion direction are vertical with described urceolus, between closed driving snake and the closed turn-screw, pull the trigger driving snake and pull the trigger between the turn-screw and be respectively equipped with change gear mechanism.

Preferably, described replaceable end effector comprises that stapler is terminal under the mirror of chamber.

Preferably, the end squarely that described driving snake is connected with end effector is provided with the locking mechanism that is connected of described end effector and described urceolus at the standard interface place.

Preferably, described urceolus has semi-rigid nature, certain angle flexural deformation can be arranged under stressing conditions and keep certain rigidity.

Electric surgery binding instrument of the present invention has following beneficial effect:

1. the present invention has replaced the conventional manual operation by automatically controlledization operation, has alleviated doctor's hand-power work, has reduced doctor's work load.

2. the present invention moves by automatically controlled chip controls motor, has avoided guaranteeing the operation quality because of the different uneven phenomenons of surgical effect that cause of user.

3. the present invention has a standard interface, and replaceable multiple execution is terminal, and simultaneously, standardized interface also helps and continues the novel end that expansion is fit to electric handle.

4. the electric control handle among the present invention has reusability, and repeatedly using only needs the replacing execution terminal, and electric handle need not to change, and has improved the utilization rate of apparatus, reduces the cost of performing the operation, and avoids waste, and economizes on resources protection of the environment.

5. the present invention is simple to operate, and is easy to use.

6. angle adjustment can be carried out in urceolus of the present invention position, is fit to multiple operating position.

Description of drawings

Above-mentioned only is the general introduction of technical solution of the present invention, and for can clearer understanding the present invention, the present invention is described in further detail below in conjunction with accompanying drawing and the specific embodiment.

Fig. 1 is the electric handle overall structure figure of an embodiment of electric surgery binding instrument of the present invention.

Fig. 2 is the electric handle cut-away view of an embodiment of electric surgery binding instrument of the present invention.

Fig. 3 is the circular anastomosis device end of an embodiment of electric surgery binding instrument of the present invention.

Fig. 4 is the perspective view of circular anastomosis device end of an embodiment of electric surgery binding instrument of the present invention.

Fig. 5 is the profile of circular anastomosis device end of an embodiment of electric surgery binding instrument of the present invention.

Fig. 6 is the Linear stapler end of an embodiment of electric surgery binding instrument of the present invention.

Fig. 7 is the terminal cut away view of Linear stapler of an embodiment of electric surgery binding instrument of the present invention.

Fig. 8 is the terminal cut away view of stapler under the chamber mirror of an embodiment of electric surgery binding instrument of the present invention.

Fig. 9 is the standard interface form of an embodiment of electric surgery binding instrument of the present invention.

Figure 10 is electric handle and the terminal index map of Linear stapler of an embodiment of electric surgery binding instrument of the present invention.

Figure 11 is electric handle and the terminal index map of circular anastomosis device of an embodiment of electric surgery binding instrument of the present invention.

Figure 12 is the terminal index map of stapler under the electric handle of an embodiment of electric surgery binding instrument of the present invention and the chamber mirror.

Figure 13 is power and the inner drive mechanism figure of an embodiment of electric surgery binding instrument of the present invention.

Sketch map when Figure 14 is the terminal work of use circular anastomosis device of an embodiment of electric surgery binding instrument of the present invention.

Sketch map when Figure 15 is the terminal work of use Linear stapler of an embodiment of electric surgery binding instrument of the present invention.

Figure 16 is the sketch map during the terminal work of stapler under the use chamber mirror of an embodiment of electric surgery binding instrument of the present invention.

The specific embodiment

The electric surgery binding instrument of present embodiment is comprised of electric handle and the terminal two parts of execution.Electric handle mainly comprises several parts such as operation push-button, drive motors, display lamp, electronic control module; Carry out terminally comprise that Linear stapler is terminal, the surgery binding instrument of the type such as stapler is terminal under circular anastomosis device end and the chamber mirror, a standard interface by design can make dissimilar ends be connected on the same handle.The stapler end can also be terminal for band cutter stiching instrument.Electric handle is the operating position of electric surgery binding instrument of the present invention, carries out end and controlled by electric handle, and be the actuating station of implementing the staple closure.

Fig. 1 is electric handle part monnolithic case sketch map, is its internal structure and Fig. 2 represents.As shown in Figure 1, 2, contain externalpower supply jack 103,step display lamp 104,safety guarantee lamp 105,action button 114 andurceolus 102 on the electric handle shell 101.Handle casing 101 provides support framework for its inner other structures on the one hand, can make on the other hand user operate and have comfort.Supply hub can external Medicalpower power line 1031, for whole apparatus provides energy input.This apparatus also can adopt built-in power, such asbattery.Handle casing 101 grips have 2 operation push-buttons 112, and what be in forefinger lever position is forward key, are used for carrying out the forward control instruction, and what be in middle finger lever position is to retreat button, are used for carrying out reverse control instruction or stop command.Under any circumstance, retreat key command priority and be higher than the forward key instruction, get final product so that apparatus quits work at any time, to guarantee its safety.Forwarding button is used for control apparatus of the present invention and carries out positive movement, the motion such as progressively realize semi-closed, closure, pull the trigger, return, adjust closure state or need for some reason the anxious stopping time when needs, can press back, realize returning previous step or emergent stopping devices work.Step display lamp 104 is used for reminding the current duty that is in of operator's apparatus of the present invention (semi-closed, closure, pull the trigger and return), when not arriving current state, corresponding display lamp is in and extinguishes state, when state carries out, corresponding display lamp flicker is more than, when state was finished, it is permanent bright that corresponding display lamp keeps.Safety guarantee lamp 105 is used for the safe condition of reminding user apparatus of the present invention, and when display lamp lighted, the expression apparatus had potential safety hazard, should stop using.Urceolus 102 is a kind of semi-rigid pipe, and it can carry out the bending of certain angle under suitable external force, but can't automatically recover and possess certain rigidity.In use, can decide urceolus whether bending or linear state in its sole discretion by user according to concrete operating position.

The electric handle internal main will comprisedrive motors 111,control circuit board 114,transmission module group 113 and driving snake 115.Have the various electrical equipments that comprise main control chip on thecontrol circuit board 114, be used for carrying out signal processing and executive control program.The signal thatdrive motors 111 is accepted the control circuit board transmission carries out work, for electric surgery binding instrument of the present invention provides power, for the motor movement stroke is monitored, drive motors need to have the signal feedback function, and what adopt at apparatus of the present invention at present is DC servo motor.Drivemotors 111 is divided into closed drive motors and percussion drive motors, and closed drive motors provides the power of the closing motion of end effector, and the percussion drive motors provides the power of the nail percussion of end effector.Drivingsnake 115 is a kind of flexible shaft that are used for driving torque, two driving snakes place the apparatus urceolus inner, can be with the bending of urceolus crooked and do not affect its transmission effect, the meaning of driving snake be with the motion of drive motors output through theurceolus 102 of this apparatus pass to carry out terminal.Two driving snakes are respectively closed driving snake and percussion driving snake, closed driving snake is connected to the close mechanism of end effector, transmit the power of end effector jaw closure, the percussion driving snake is connected to the firing lock of end effector, transmits the power of nail percussion.Preferably, because it is inner that driving snake is in the apparatus urceolus, its position is relatively fixing, and the difficult adjustment of the relative handle position of drive motors, so between drive motors and driving snake, increased by a covertransmission module group 113, be used for Motion Transmission between the two.

The power source of electric handle is drivemotors 111, anddrive motors 111 provides the power input under the control command of control circuit board 114.Transmission of power need be passed throughtransmission module group 113 and drivingsnake 115, and drivingsnake 115 places the inside of handle urceolus 102.But be instep display lamp 104 and the current duty of living in ofsafety guarantee lamp 105 reminding user apparatuses on thehandle casing 102, the convenient operation person uses, and has simultaneously the effect of safeguards.

Fig. 3 is the circular anastomosis device end of an embodiment of electric surgery binding instrument of the present invention.Fig. 4 is the perspective view of circular anastomosis device end of an embodiment of electric surgery binding instrument of the present invention.Fig. 5 is the profile of circular anastomosis device end of an embodiment of electric surgery binding instrument of the present invention.

Shown in Fig. 3,4,5, circularanastomosis device end 2 is mainly used in bowel anastomosis, and it comprises the head of anail 208 and nail bin and as terminalouter wall 201, thebracing frame 202 of structural member.Have on the head of anail 208 to the nail groove, be used for making staple B word to be shaped.Nail bin containsannular cutting knife 207, pushing slice ofnail 204 and staple,annular cutting knife 207 connects firmly on the top with pushing slice ofnail 204 to be cut on the push rod, the top is cut push rod and is formed the screw pair with percussion turn-screw 2031, and the closed turn-screw 2032 of another root forms the screw pair with closed pull bar 205.When devices work, closed turn-screw 2032 moves first with closedpull bar 205, and closedpull bar 205 drives the head of anail 208 and finishes closing motion.Then, percussion turn-screw 2031 drivesannular cutting knife 207 again with pushing slice ofnail 204 motions, and staple from following closelygroove 206 interior releases and will organizing cut-out, is finally realized the operation that coincide.

Fig. 6 is the Linear stapler end of an embodiment of electric surgery binding instrument of the present invention.Fig. 7 is the terminal cut away view of Linear stapler of an embodiment of electric surgery binding instrument of the present invention.

Shown in Fig. 6,7, Linear stapler end 3 comprises supporting outer 302, nail bin 303,nail supporting base 304 and end interface 301.Supporting outer 302 provides the supporting construction of Linear stapler end.Nail bin 303 interior storing nails have as thespacer pin 3032 of fixing organization and the pushing slice ofnail 3033 of percussion nail after thenail groove 3031 of nail percussion outlet and the jaw closure.Nail supportingbase 304 has thenail seat slideway 3042 that supportsnail groove 3041 andnail supporting base 304 and nail bin 303 relative motioies that makes the molding of nail " B " word as the chopping block of nail molding.

Similar with circularanastomosis device terminal 2, Linear stapler end 3 also has the function of traditional line stiching instrument, but the 102 one-tenth vertical relations of urceolus on the Linear stapler of this apparatus terminal 3 and the electric handle are more conducive to like this realize that straight line stitching instrument operates.The closure of the Linear stapler end of this apparatus and firing action are provided by the discrete screw pair of two covers equally, but because the impact of vertical positional relationship, between driving snake and closure, percussion screw pair, set up a cover motionchange gear mechanism 3021, be used for flexible axle to horizontally rotate conversion of motion be that Linear stapler is available vertically rotatablely moves.If motionchange gear mechanism 3021 is removed, then can be easy to the Linear stapler end of vertical direction is converted into the Linear stapler end of horizontal direction, although therefore not in addition expression in the accompanying drawing, but in this special instruction, under this principle, belong to equally the invention scope of this patent with the Linear stapler of urceolus horizontal direction.

Fig. 8 is the terminal cut away view of stapler under the chamber mirror of an embodiment of electric surgery binding instrument of the present invention.

Stapler end 4 is mainly used in the peritoneoscope Minimally Invasive Surgery under the mirror of chamber, mainly is comprised of supporting outer 401, screw pair,nail bin 405 and nail supporting base more than 404 parts.Wherein, supporting outer 401 provides support for other parts.Similar with circularanastomosis device terminal 2, the screw pair is closed turn-screw 4022 and percussion turn-screw 4021, be used for drivingsnake 115 rotatablely moving of output are converted into the rectilinear motion of terminal actual needs, the discrete motion of two cover screw pairs, noiseless each other, its closure and staple percussion that is respectively applied to nail supporting base is cut off with tissue.Nail bin 405 contains pushing slice of nail and staple, and pushing slice of nail the thrust that provides with cutterejector pin piece 403 is provided staple is released and extrusion molding.

Fig. 9 is the standard interface form of an embodiment of electric surgery binding instrument of the present invention.

As shown in Figure 9, theend 1151 of driving snake is square, carries out end in order to will rotatablely move to pass to.Although several end working forms differences separately of carrying out, but they have identical structural configuration with the interface that handle connects, on the electric handle seam of bending urceolus have one with carry out the locking mechanism that is connected that end interface matches, this interface shape can prevent from carrying out terminal automatically slippage, has guaranteed the security and stability of the apparatus of present embodiment.Carrying out the terminal conversion of motion of driving snake being inputted by the internal structure of itself is final execution action, carries out end interface and bending urceolus interface and has consisted of a standardized interface.

Electric handle with carry out terminal interface and died for the sake of honour by the lockedcover 106 of handle joint and each terminal interface lock and 2011,3011,4011 consist of.For circularanastomosis device end 2,flexible axle 115 is passed to respectively turn-screw 2031 and 2032 with power; For chamber mirror stichinginstrument end 4,flexible axle 115 is passed to respectively turn-screw 4021 and 4022 with power; For Linear stapler end 3,flexible axle 115 is passed to changegear mechanism 3021 with power.Although dissimilar execution end structures are distinguished to some extent, they all have the indispensable functional structure of staple class apparatus, such as nail bin, pushing slice of nail, support nail groove etc.

Circularanastomosis device terminal 2 is comparatively similar on forms of motion with the internal structure of chamber mirror stichinginstrument end 4, and because the present invention adopts the Linear stapler end 3 of more optimizing, namely therefore the direction of motion is perpendicular to handle urceolus axis,, structurally, Linear stapler end 3 is more complicated.From functional angular divisions,circular anastomosis device 2 all can be divided into interface transmission (joining and transferring power with handle) with chamber mirror stichinginstrument 4 and function realizes (end is closed pulls the trigger with staple) two links, has additionally increased the break-in link between Linear stapler 3 two parts in front.

As shown in Figure 9, thesquare spigot 1151 of driving snake can insert carries out terminal transmission square hole inside, interface lock is died for the sake of honour and 2011,3011,4011 can be entered the lockedcover 106 of handle joint along lockedjoint chute 1061, lockedcover 106 rotations of handle joint can be terminal locked with carrying out under the effect of frictional force.Standard interface that the present invention adopts is not limited to a kind of form that shows in the accompanying drawing 9, its more major significance be to propose to use in the situation of same electric handle and change different terminal thoughts.

Figure 10-12 is the diagram after different end effector and the universal handle assembling, wherein Figure 10 is electric handle and the terminal index map of Linear stapler of an embodiment of electric surgery binding instrument of the present invention, Figure 11 is the electric handle of an embodiment and the terminal index map of circular anastomosis device of electric surgery binding instrument of the present invention, and Figure 12 is stapler end index map under electric handle and the chamber mirror of an embodiment of electric surgery binding instrument of the present invention.

Figure 13 is power and the inner drive mechanism figure of an embodiment of electric surgery binding instrument of the present invention.As shown in figure 13, drivemotors 111 bytransmission module group 113 with transmission of power to drivingsnake 115.

The electric surgery binding instrument that Figure 14-16 has explained one embodiment of the invention is being connected to the different corresponding dissimilar operation techniques in the terminal situation of carrying out.Sketch map when Figure 14 is the terminal work of use circular anastomosis device of an embodiment of electric surgery binding instrument of the present invention, sketch map when Figure 15 is the terminal work of use Linear stapler of an embodiment of electric surgery binding instrument of the present invention, Figure 16 are the sketch map during the terminal work of stapler under the use chamber mirror of an embodiment of electric surgery binding instrument of the present invention.Shown in Figure 14-16, the electric surgery binding instrument of embodiments of the invention is by general handle joint from different end effector, realized the human body different tissues is implemented different surgical operations, operation is simple, can economize on resources, environmental contamination reduction.

The maximum characteristics of a kind of electric surgery binding instrument of the present invention are the operator schemes that has changed existing staple class apparatus, namely from before the operation of artificial palm power become the control operation that point touches the button, at the same time, different types of staple apparatus set such as stapler under traditional Linear stapler, circular anastomosis device and the chamber mirror are integrated, can control with same joystick.In order to satisfy three kinds of requirements of carrying out terminal same electric handle, the present invention has designed a kind of standard interface at the execution end with the handle joint.

The above; it only is preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.

Claims (10)

1. electric surgery binding instrument is characterized in that, comprises electronic universal handle and removable end effector, wherein:

Electronic universal handle is controlled replaceable end effector and is provided power to replaceable end effector;

Removable end effector comprises that dissimilar surgery binding instruments is terminal, and end effector carries out operation technique to tissue;

Be provided with standard interface between electronic universal handle and the replaceable end effector, electronic universal handle is realized dismountable fixing from different end effectors by described standard interface, and the drive mechanism of electronic universal handle is connected by described standard interface so that the transmission of power of electronic universal handle realizes the surgical functions of end effector to end effector with the drive mechanism of end effector.

2. electric surgery binding instrument as claimed in claim 1 is characterized in that, described electronic universal handle also comprises handle casing, electric supply installation, drive motors, control circuit board, driving snake, wherein:

Handle casing is carrying and the contained structure of electronic universal handle, comprises action button, urceolus on it;

Drive motors comprises closed drive motors, percussion drive motors, is contained in handle casing inside, accepts respectively the signal work of control circuit board and provides closed, percussion power for electric surgery binding instrument;

Control circuit board comprises main control chip, is used for carrying out signal processing and executive control program;

Driving snake comprises closed driving snake, percussion driving snake, it is inner and is connected with closed drive motors, percussion drive motors respectively that closed driving snake, percussion driving snake are arranged at described urceolus, is respectively applied to closed drive motors, the closure of percussion drive motors output, percussion Motion Transmission are arrived end effector.

3. electric surgery binding instrument as claimed in claim 2 is characterized in that:

Also comprise step display lamp, safety guarantee lamp on the described handle casing, the step display lamp is used for reminding the current duty that is in of operator's electric surgery binding instrument, and the safety guarantee lamp is used for the safe condition of reminding user electric surgery binding instrument;

Described drive motors is DC servo motor;

Described electric supply installation is built-in power or external power supply interface;

Between drive motors and driving snake, be provided with the transmission module group, be used for the Motion Transmission of drive motors output is arrived driving snake.

4. electric surgery binding instrument as claimed in claim 2 is characterized in that, is provided with closed turn-screw, percussion turn-screw in the described replaceable end effector;

One end of closed turn-screw is connected with close mechanism, and the other end is connected with closed driving snake by described standard interface;

One end of percussion turn-screw is connected with firing lock, and the other end is connected with the percussion driving snake by described standard interface.

5. electric surgery binding instrument as claimed in claim 4 is characterized in that, described replaceable end effector comprises that the circular anastomosis device is terminal.

6. electric surgery binding instrument as claimed in claim 4 is characterized in that, described replaceable end effector comprises that Linear stapler is terminal.

7. electric surgery binding instrument as claimed in claim 6, it is characterized in that, the closure of described Linear stapler end, percussion direction are vertical with described urceolus, between closed driving snake and the closed turn-screw, pull the trigger driving snake and pull the trigger between the turn-screw and be respectively equipped with change gear mechanism.

8. electric surgery binding instrument as claimed in claim 4 is characterized in that, described replaceable end effector comprises that stapler is terminal under the mirror of chamber.

9. such as each described electric surgery binding instrument of claim 1 to 8, it is characterized in that the end squarely that described driving snake is connected with end effector; Be provided with the locking mechanism that is connected of described end effector and described urceolus at the standard interface place.

10. electric surgery binding instrument as claimed in claim 9 is characterized in that, described urceolus has semi-rigid nature, certain angle flexural deformation can be arranged under stressing conditions and keep certain rigidity.

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