The utility model content
This utility model aims to provide the required end effector of a kind of electric linear stiching instrument, and this end effector is formed the complete electric linear stiching instrument of a cover as a part and the electric surgery binding instrument universal handle of electric linear stiching instrument.
A kind of straight line stiching instrument end effector that is used with the electric surgery binding instrument universal handle, comprise framework, the lower jaw parts, the nail bin parts, the lower jaw close mechanism, seam nail firing lock, framework provides the support structure of straight line stiching instrument end effector, it is characterized in that, also comprise closed feed screw nut drive mechanism, percussion feed screw nut drive mechanism, insert parts fast, wherein: described straight line stiching instrument end effector is connected with described electric surgery binding instrument universal handle by inserting parts fast, accepts the power output of electric surgery binding instrument universal handle; Closed feed screw nut drive mechanism outfan is connected with the lower jaw close mechanism, input is connected with the closed power take-off mechanism of electric surgery binding instrument universal handle, to give the lower jaw close mechanism, make the lower jaw closure of straight line stiching instrument end effector with the closed transmission of power of electric surgery binding instrument universal handle output; Percussion feed screw nut drive mechanism outfan is connected with seam nail firing lock, input is connected with the percussion power take-off mechanism of electric surgery binding instrument universal handle, to give seam nail firing lock, make the seam nail percussion of straight line stiching instrument end effector with the seam nail percussion transmission of power of electric surgery binding instrument universal handle output.
When the lower jaw closing direction of straight line stiching instrument end effector and seam nail percussion direction are parallel with the length direction of electric surgery binding instrument universal handle, between the closed power take-off mechanism of closed feed screw nut drive mechanism and electric surgery binding instrument universal handle and pull the trigger between the percussion power take-off mechanism of feed screw nut drive mechanism and electric surgery binding instrument universal handle and do not needing to be provided with reversing arrangement.When the length direction of the lower jaw closing direction of straight line stiching instrument end effector and seam nail percussion direction and electric surgery binding instrument universal handle is vertical, between the closed power take-off mechanism of described closed feed screw nut drive mechanism and electric surgery binding instrument universal handle, be provided with closed reversing arrangement, between the percussion power take-off mechanism of percussion feed screw nut drive mechanism and electric surgery binding instrument universal handle, be provided with the percussion reversing arrangement.
Preferably, described closed reversing arrangement comprises closed pinion shaft, closed gear wheel, closed worm-and-wheel gear, wherein: closed pinion shaft and the engagement of closed gear wheel, closed pinion shaft can be connected with the closed power take-off mechanism of electric surgery binding instrument universal handle; Closed gear wheel is fixedlyed connected with the worm screw of closed worm-and-wheel gear is coaxial; Worm gear, the worm engaging of closed worm-and-wheel gear; The worm gear of closed worm-and-wheel gear is fixedlyed connected with the leading screw of closed feed screw nut drive mechanism is coaxial.Described percussion reversing arrangement comprises percussion pinion shaft, percussion gear wheel, percussion worm-and-wheel gear, wherein: percussion pinion shaft and the engagement of percussion gear wheel, the percussion pinion shaft can be connected with the percussion power take-off mechanism of electric surgery binding instrument universal handle; Percussion gear wheel and coaxial the fixedlying connected of worm screw of pulling the trigger worm-and-wheel gear; Worm gear, the worm engaging of percussion worm-and-wheel gear; The worm gear of percussion worm-and-wheel gear and coaxial the fixedlying connected of leading screw of pulling the trigger the feed screw nut drive mechanism.
Another kind of form as reversing arrangement, described closed reversing arrangement comprises closed pinion shaft, closed gear wheel, closed worm screw, closed helical gear, wherein: closed pinion shaft and the engagement of closed gear wheel, closed pinion shaft can be connected with the closed power take-off mechanism of electric surgery binding instrument universal handle; Closed gear wheel is fixedlyed connected with closed worm screw is coaxial; Closed worm screw and the engagement of closed helical gear; Closed helical gear is fixedlyed connected with the leading screw of closed feed screw nut drive mechanism is coaxial.Described percussion reversing arrangement comprises percussion pinion shaft, percussion gear wheel, percussion worm screw, percussion helical gear, wherein: percussion pinion shaft and the engagement of percussion gear wheel, the percussion pinion shaft can be connected with the percussion power take-off mechanism of electric surgery binding instrument universal handle; The percussion gear wheel with pull the trigger that worm screw is coaxial fixedlys connected; Percussion worm screw and the engagement of percussion helical gear; Percussion helical gear and coaxial the fixedlying connected of leading screw of pulling the trigger the feed screw nut drive mechanism.
Preferably, described quick access parts comprise connection cover, clamp device, and connection cover is fixed on the framework and can be fastenedly connected by described clamp device and electric surgery binding instrument universal handle.
Preferably, described clamp device is to be fixed on to screw pin or screw connection on the connection cover.
Preferably, described nail bin is installed on the framework in removable mode, and has when the lower jaw members close tissue is carried out spacing latch.
Preferably, described closed feed screw nut drive mechanism and/or percussion feed screw nut drive mechanism can be lead screw nut transmission mechanism or ball-screw nut drive mechanism.
Preferably, described lower jaw parts comprise nail supporting base, and other parts of nail supporting base and lower jaw parts are structure as a whole or separable structure.
Preferably, described straight line stiching instrument end effector is form of straight lines or arc form.
The beneficial effect of straight line stiching instrument end effector of the present utility model is as follows:
1, straight line stiching instrument end effector of the present utility model can be connected and realize transmission of power with general electric surgery binding instrument universal handle, make the composition of straight line stiching instrument only to change head and handle can be general, save resource, reduced environmental pollution.
2, straight line stiching instrument end effector of the present utility model and general electric surgery binding instrument universal handle connect and compose complete electric linear stiching instrument, realized electric operating, reduced requirement to the doctor, the doctor only need simply press button several times in operation, and according to the indication of display lamp, just can easily finish operation, and this electric linear stiching instrument has been eliminated the existing individuation difference of manual suture device defective greatly, for the different doctor of different patients, the final result who sews up is tending towards identical
The specific embodiment
Fig. 1 is the overall structure sketch map of electric linear stiching instrument, and as shown in Figure 1, the electric linear stiching instrument comprises universal handle 1,, end effector 2 and control assembly.
As Fig. 2, shown in Figure 3, straight line stiching instrument end effector comprises that front and rear covers parts 2-1, installing plate 2-2, quick change insert parts 2-3, closed drive disk assembly 2-5, percussion drive disk assembly 2-4, parts such as lower jaw parts 2-6, nail bin parts 2-7.Front and rear covers parts 2-1 and installing plate 2-2 are the framework of end effector, are used for fixing other parts.Installing plate 2-2 is by on the dowel fixes pro-back cover part 2-1, quick change inserts parts 2-3 and is fastened on the front and rear covers parts 2-1 by screw, closed drive disk assembly 2-5 and percussion drive disk assembly 2-4 are mainly used to transmit required motion and power, and all contact with front and rear covers parts 2-1, installing plate 2-2, nail bin parts 2-7, lower jaw parts 2-6.Front and rear covers 2-1 is provided with lower jaw chute and nail bin chute, and the junction of front and rear covers is provided with the groove that can snap together.Installing plate 2-2 is provided with the installing hole of closed drive disk assembly 2-5 and percussion drive disk assembly 2-4.Quick change inserts parts 2-3 and is installed on the protecgulum, can be connected with the rapid replacing interface of universal handle.Lower jaw parts 2-6 is provided with and the coupled slide rail of front and rear covers chute, and lower jaw can slide up and down, and the lower jaw parts are provided with nail supporting base.The nail bin parts are mainly used to the storage slots dowel, which is provided with the coupling of slide rail and front and rear covers chute, can slip into appropriate position in the front and rear covers.Slide among the lower jaw parts 2-6 pro-back cover part 2-1, slide mechanism can be regarded the lower jaw close mechanism as, it is connected with closed leading screw among the closed drive disk assembly 2-5 by the screw thread transmission and receives power, in use, closed leading screw among the closed drive disk assembly 2-5 moves up and down by the main lower jaw that closed screw-nut body drives among the lower jaw parts 2-6, thereby can or discharge cavity organization with nail bin parts 2-7 closure together.Nail bin parts 2-7 can slip among the front and rear covers parts 2-1.Percussion drive disk assembly 2-4 has percussion feed screw nut drive mechanism, and the percussion leading screw is connected with the leading screw push jack by screw thread.The mechanism of promotions such as leading screw push jack seam nail percussion can regard seam nail firing lock as.In use, the leading screw push jack of percussion drive disk assembly 2-4 promotes the nail hitting sheet among the nail bin parts 2-7, and the suturing nail that arranges in the nail hitting sheet promotion nail bin is shaped nail supporting base and final " B " word among the suturing nail contact lower jaw parts 2-6.
Fig. 4 is the rapid replacing interface of electronic stiching instrument universal handle 1, and Fig. 5 is universal handle 1 and end effector 2 connection diagrams, and Fig. 6 inserts the parts exploded perspective view for quick change.As shown in Figure 6, end effector inserts parts 2-3 fast and comprises connection cover 231, screws pin 232.As Fig. 4, shown in Figure 5, when universal handle 1 is connected with end effector 2, the connection cover 231 that the end effector quick change inserts among the parts 2-3 slips into the universal handle rapid replacing interface, the pin 232 that screws that the end effector quick change inserts among the parts 2-3 slips in the chute in the universal handle rapid replacing interface, screw the cover that screws on the universal handle, thereby realize that quick connection and power between universal handle 1 and the end effector 2 insert.
Quick change insert in the parts connection cover on also can offer screw thread, use the chain that is threaded to replace screwing pin and connect and realize that quick change connects.
Fig. 7 is front and rear covers parts exploded perspective views.As shown in Figure 7, front and rear covers parts 2-1 comprises protecgulum 211, bonnet 212, front and rear covers connection 213, connecting pin 214 etc.One side of protecgulum 211, bonnet 212 bendings has coupled groove, and protecgulum 211, bonnet 212 can snap together by groove.Protecgulum 211, bonnet 212 are provided with unthreaded hole, and connecting pin 214 is used for protecgulum 211, installing plate 2-2 and bonnet 212, pass with screw to be fixed on front and rear covers behind protecgulum 211, the bonnet 212 and to connect on 213, thereby clamp protecgulum 211, bonnet 212.
Fig. 8 is closed drive disk assembly, percussion drive disk assembly and installing plate exploded perspective view.
The lower jaw closing direction of straight line stiching instrument end effector and seam nail percussion direction can be parallel with the length direction of electric surgery binding instrument universal handle, at this moment structure is comparatively simple, is not needing to be provided with reversing arrangement between the closed power take-off mechanism of closed feed screw nut drive mechanism and electric surgery binding instrument universal handle and between the percussion power take-off mechanism of percussion feed screw nut drive mechanism and electric surgery binding instrument universal handle.
The lower jaw closing direction of straight line stiching instrument end effector and seam nail percussion direction can be vertical with the length direction of electric surgery binding instrument universal handle.At this moment, between the closed power take-off mechanism of closed feed screw nut drive mechanism and electric surgery binding instrument universal handle, be provided with closed reversing arrangement, between the percussion power take-off mechanism of percussion feed screw nut drive mechanism and electric surgery binding instrument universal handle, be provided with the percussion reversing arrangement.
Closed reversing arrangement comprises closed pinion shaft, closed gear wheel, closed worm screw, closed helical gear.As shown in Figure 6, the circular hole matched in clearance in closed pinion shaft 233 and the connection cover 231, connection cover 231 is with after front and rear covers parts 2-1 is connected, and closed pinion shaft 233 axial restraints can only circumferentially rotate; Closed pinion shaft 233 centers are provided with square through hole, are used for being connected with closed power delivery in the universal handle rapid replacing interface.As shown in Figure 8, closed drive disk assembly 2-5 comprises closed gear wheel 251, closed worm screw 252, closed helical gear 253, closed leading screw 254 etc.Closed gear wheel 251 and 233 engagements of closed pinion shaft, closed gear wheel 251 centers are provided with square through hole, and closed worm screw 252 1 ends are provided with square knuckle, and closed gear wheel I251 and closed worm screw I252 link together by square opening; Be provided with through hole on protecgulum 211, bonnet 212, closed worm screw 252 two ends are separately fixed on protecgulum 211 and the bonnet 212.Closed helical gear 253 links together by polygon through hole and closed leading screw 254 and fixes by back-up ring, and closed leading screw 254 is installed in installing plate 2-2 and goes up and can rotate along axis, and closed worm screw 252 and closed helical gear 253 can be realized approximate engagement.When closed pinion shaft 233 inserts power from universal handle, just can realize moving up and down of lower jaw parts.
The percussion reversing arrangement comprises percussion pinion shaft, percussion gear wheel, percussion worm screw, percussion helical gear.As shown in Figure 6, the circular hole matched in clearance in percussion pinion shaft 234 and the connection cover 231, connection cover 231 is pulled the trigger pinion shaft 234 axial restraints with after front and rear covers parts 2-1 is connected, can only circumferentially rotate; Percussion pinion shaft 234 centers are provided with square through hole, are used for being connected with percussion power delivery in the universal handle rapid replacing interface.Percussion drive disk assembly 2-4 comprises percussion gear wheel 241, percussion worm screw 242, percussion helical gear and nut combinations I243, percussion helical gear and nut combinations II244, percussion leading screw 245, leading screw push jack 246 etc.Percussion gear wheel 241 and 234 engagements of percussion pinion shaft, percussion gear wheel 241 centers are provided with square through hole, and percussion worm screw 242 1 ends are provided with square knuckle, and percussion gear wheel 241 and percussion worm screw 242 link together by square opening; Be provided with through hole on protecgulum 211, bonnet 212, percussion worm screw 242 two ends are separately fixed on protecgulum 211 and the bonnet 212.Percussion helical gear and nut combinations I243, percussion helical gear and nut combinations II244 are installed on the installing plate 2-2, and fix its axially-movable by back-up ring, percussion leading screw 245 links together by screw thread transmission and percussion helical gear and nut combinations I243, percussion helical gear and nut combinations II244, and leading screw push jack 246 is by circular hole tight fit or welding, mode such as bonding and pull the trigger leading screw 245 and be fixed together.When percussion pinion shaft 244 when universal handle inserts percussion power, just can realize moving up and down of leading screw push jack 246, follow closely thereby promote nail hitting sheet percussion seam.
In addition, the worm screw in the above-mentioned reversing arrangement-helical gear fit system can replace with the endless screw-worm gear fit system, and the helical gear that is about in the above-mentioned reversing arrangement replaces with worm gear.Structure after the replacement is: closed reversing arrangement comprises closed pinion shaft, closed gear wheel, closed worm-and-wheel gear, wherein: closed pinion shaft and the engagement of closed gear wheel, closed pinion shaft can be connected with the closed power take-off mechanism of electric surgery binding instrument universal handle; Closed gear wheel is fixedlyed connected with the worm screw of closed worm-and-wheel gear is coaxial; Worm gear, the worm engaging of closed worm-and-wheel gear; The worm gear of closed worm-and-wheel gear is fixedlyed connected with the leading screw of closed feed screw nut drive mechanism is coaxial.The percussion reversing arrangement comprises percussion pinion shaft, percussion gear wheel, percussion worm-and-wheel gear, wherein: percussion pinion shaft and the engagement of percussion gear wheel, the percussion pinion shaft can be connected with the percussion power take-off mechanism of electric surgery binding instrument universal handle; Percussion gear wheel and coaxial the fixedlying connected of worm screw of pulling the trigger worm-and-wheel gear; Worm gear, the worm engaging of percussion worm-and-wheel gear; The worm gear of percussion worm-and-wheel gear and coaxial the fixedlying connected of leading screw of pulling the trigger the feed screw nut drive mechanism.
Fig. 9 is lower jaw parts exploded perspective views.As shown in figure 10, lower jaw parts 2-6 comprises main lower jaw 261, maxillary plate I262, maxillary plate II263, rivet 264, nail supporting base 265 etc.Main lower jaw 261, maxillary plate I262, maxillary plate II263 are fixed together by rivet 264, and maxillary plate I262, maxillary plate II263 are provided with slide rail, the chute coupling on slide rail and the front and rear covers parts 2-1, thus realize that lower jaw parts 2-6 moves up and down.On main lower jaw 261, be provided with the gap, nail supporting base 265 is placed in the gap of main lower jaw 261, and clamps by maxillary plate I262, maxillary plate II263, is provided with counterbore at the head of main lower jaw 261, during executor 2 used endways, the outer bar 275 of the latch among the nail bin parts 2-7 can inject in the counterbore.
In addition, main lower jaw, maxillary plate I, maxillary plate II can be connected to one or two parts in the lower jaw parts, and nail supporting base can be independent part, also can offer to the nail groove to replace nail supporting base on main lower jaw or maxillary plate.
Figure 10 is nail bin parts exploded perspective views.As shown in figure 10, nail bin parts 2-7 comprises bar 274 in nail bin 271, nail hitting sheet 272, nail bin the higher authorities 273, the latch, the outer bar 275 of latch, compression spring 276.Nail bin 271 is provided with slide rail, can slip in the chute among the front and rear covers parts 2-1, and nail bin is replaceable mode.Nail hitting sheet 272 is arranged in nail bin 271 inside, bar 274 links together by mode such as bonding in nail bin the higher authorities 273 and the latch, nail bin the higher authorities 273 are fixed together by mode such as bonding and nail bin 271, bar 274 inserts outer bar 275 inside of latch in the latch, in latch, be placed with compression spring 276 outside bar 274 and the latch in the middle of the bar 275, on nail bin 271, have the stop mouth, when bar outside the latch 275 places stop mouth on the nail bin 271, the outer bar 275 of latch is regained, when bar outside the latch 275 is transferred to, the outer bar 275 of latch ejects, and is against in the counterbore of main lower jaw 261 among the lower jaw parts 2-6, thereby realizes the spacing of cavity tissue.
The outer bar 275 of latch can be located endways manually to stir and carry out spacingly, also can utilize linkage to be transferred to handle, can manually stir at the handle place and also can adopt motor-driven spacing to organizing automatically in lower jaw parts 2-6 closing course.
Figure 11 is the another kind of arc form of straight line stiching instrument end effector.As shown in figure 11, straight line stiching instrument end effector is curved.
The above; it only is preferred embodiment of the present utility model; be not that this utility model 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 the protection domain of the present utility model.