Summary of the invention
Based on this, it is necessary to provide a kind of linear incision stapler, be operated when switching to cock by closed stateIt is convenient.
A kind of linear incision stapler, comprising:
Shell；
Trigger shaft is movably arranged relative to shell；
Closed rod is movably arranged relative to shell；
Locating part, point that there is the link position for limiting the closed rod and trigger shaft relative motion, release the limitationIt offs normal and sets, wherein the trigger shaft is able to drive the closed rod one when moving and starts shipment when the locating part is in link positionDynamic, when the locating part is in disengaged position, the trigger shaft can the relatively described closed rod movement；
Operating parts, activity group is assigned in the outside of the shell, to make the locating part in link position and disengaged positionBetween convert, the operating parts has first position and the opposite shell post exercise second position on the housing, wherein graspingAt the first position, the operating parts does not work to the locating part to workpiece, and the operating parts is in the second positionWhen, the operating parts drives the locating part to convert position.
Above-mentioned linear incision stapler realizes trigger shaft using locating part and closed rod moves synchronously and trigger shaft is individually transportedIt is dynamic, operating parts is additionally provided with, after the completion of closure, it is only necessary to which the operating parts in operation housing can make to drive locating part conversionState separates trigger shaft and closed rod, and trigger shaft can move alone to complete firing action, and closed state switches to percussionIt is operated conveniently when state, meets use habit, and operating parts does not work to locating part at first position, before being closed in place notIt can mistake switching.
The operating parts is relatively described outer along the axially direction for being parallel to the trigger shaft in one of the embodiments,Shell movement.
The locating part is also cross the trigger shaft and closed rod in one of the embodiments, wherein in the companyPosition is connect, the locating part is axially upper while limiting the closed rod and the trigger shaft, makes the closed rod and the percussionBar is opposing stationary；In the disengaged position, the locating part and the trigger shaft are disengaged not stop the percussion in the axial directionBar.
The linear incision stapler further includes switch knob in one of the embodiments, and the operating parts passes through instituteThe cooperation for stating switch knob and locating part drives locating part movement, wherein to drive the closed rod to move to predetermined for the trigger shaftWhen position, the locating part follows the trigger shaft and closed rod to move to the position matched with the switch knob, describedNot at the predetermined position, the locating part is in the position that cannot be matched with the switch knob for trigger shaft and closed rodIt sets.
The linear incision stapler further includes nail anvil left support, nail anvil right support, nail bin in one of the embodiments,Left support, nail bin right support, wherein nail anvil left support and nail anvil right support are fixedly connected with shell, and trigger shaft and closed rod are equalIt is clipped between nail bin left support and nail bin right support, nail bin left support and nail bin right support are then clipped in nail anvil left support and nail anvilBetween right support, the locating part passes through the nail bin left support, trigger shaft, closed rod and nail bin right support, the locating partBoth ends be slidably matched respectively with the anvil left support and nail anvil right support.
The linear incision stapler further includes switch protecting structure, the switch protecting in one of the embodiments,Structure to prevent the trigger shaft and closed rod not at predetermined position, the rotation of the switch knob.
In one of the embodiments, the switch protecting structure include the locating piece being arranged on the switch knob,Limiting slot on nail bin left support and/or nail bin right support is set, and the limiting slot includes first segment and second segment, wherein instituteWhen stating locating piece in the first segment, the switch knob is restricted from rotation, and the closed rod drives limiting slot movementWhen being located at the locating piece in second segment, the switch knob can be rotated.
The linear incision stapler further includes that setting is slided inside the housing and with shell in one of the embodiments,The switching push rod of connection, the switching push rod is connect with the operating parts, to drive switch knob to rotate.
In one of the embodiments, the switch protecting structure include be arranged in it is described switching push rod on limiting slot,Nail anvil left support and/or guide groove on nail anvil right support are set, spacer pin, pushing on closed rod or trigger shaft is setPortion, wherein the spacer pin passes through the limiting slot and the end of spacer pin is moved up and down by guide groove guidance, the limitPosition slot includes first segment and second segment, and limitation switching push rod opposite shell moves when the spacer pin is located in the first segment,Switch when spacer pin is located in the second segment push rod can opposite shell movement, the switch protecting structure further include make it is describedSpacer pin is maintained at the elastic construction in the first segment, when the closed rod follows trigger shaft to move together, the pushing portionThe resistance that the spacer pin can be driven to overcome elastic construction moves to second segment by first segment.
Operation indicating structure is provided between the operating parts and the shell in one of the embodiments, to mentionShow switching of the operating parts between its first position and the second position, the operation indicating structure includes being arranged on operating partsFirst groove, the second groove and the protrusion between two grooves, and setting the first salient point on the shell, the second salient point andLocating slot between two salient points, the protrusion can be slided in the locating slot, when first groove and first convexWhen point cooperation, the operating parts is located at the first position, when second groove and the cooperation of the second salient point, the operating partsPositioned at the second position；Or, the operation indicating structure includes the first magnet and the second magnet being arranged on operating parts, andThe first Hall switch and the second Hall switch on the shell is set, when first magnet triggers first Hall switch,The operating parts is located at the first position, and when second magnet triggers second Hall switch, the operating parts is located atThe second position.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present inventionSpecific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hairIt is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be notSimilar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another elementOr there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected toTo another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the inventionThe normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description toolThe purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phasesAny and all combinations of the listed item of pass.
Linear incision stapler 100 in one embodiment provided by the invention is electric drive stapler, such as Fig. 1 and Fig. 2It is shown.Linear incision stapler 100 includes work head 110 and handle portion (not shown).Handle portion is reusable disappearsMalicious electric handle, inside setting fast connector and signal transmission port.Fast connector is set in handle portion and realizes work headThe connection of 110 mechanical connection and signaling interface, the setting of handle portion inside provide the motor of power and to electric machine with energyPower supply.Control panel can be also set inside handle portion, for controlling motor operating, and then realize closing for linear incision stapler 100The movements such as conjunction, opening and percussion.Power supply generally uses replaceable rechargeable battery pack.Power switch, closure, firing control are pressedButton etc. is also to be arranged in handle portion.
Work head 110 includes shell 111, the transmission component being arranged in inside shell 111, nail anvil left support 112, the nail anvil right sideBracket 113, nail bin left support 114, nail bin right support 115, closed rod 116, trigger shaft 117 and sewing component 118.
The transmission component of linear incision stapler 100 drives percussion to receive the torque that motor transmits in handle portionBar 117 moves.Transmission component includes to receive the input shaft 201 of Motor torque, the first umbrella tooth being fixed on input shaft 201202, screw rod set 203, be fixed on screw rod set 203 outside the second umbrella tooth 204, be sheathed on screw rod cover 203 inside screw rod 205.Wherein, it is fixedly connected between screw rod 205 and trigger shaft 117.Screw rod set 203 can relatively rotate with shell 110 but can not be axialThe flat cooperation of mobile mode, such screw rod set 203 is driven by input shaft 201 when rotating, screw rod 205 will make translation advance or afterIt moves back, and then screw rod 205 drives 117 straight ahead of trigger shaft or retrogressing.
The setting of closed rod 116 is in 117 side of trigger shaft, closed rod 116 and nail bin left support 114,115 groups of nail bin right supportWith together, closed rod 116 can be remain stationary or for linear motion relative to trigger shaft 117.Wherein, it is set inside shell 110It is equipped with locating part 206.The both ends of locating part 206 are slidably connected with shell 110.Locating part 206 have can limit closed rod 116The link position of relative motion occurs with trigger shaft 117, is started shipment so that trigger shaft 117 is able to drive closed rod 116 when advancingIt is dynamic, to complete closed action；Locating part 206 is also equipped in the disengaged position for releasing above-mentioned limitation when can be operated, so that limitPosition part 206 no longer stops trigger shaft 117 in (and direction of motion of trigger shaft 117) in the axial direction, so that trigger shaft 117 is drivenIt not will drive closed rod 116 when dynamic translation to move together, so that trigger shaft 117 can be moved alone with relatively closed bar 116, with completeAt firing action.
With reference to Fig. 3 to Fig. 7, locating part 206 passes through closed rod 116 and trigger shaft 117, and the middle part is provided with notch sections2062.In Fig. 3 and Fig. 4, locating part 206 stops closed rod 116 and trigger shaft 117 simultaneously in the axial direction, so that trigger shaft 117Closed rod 116 can be driven to move by locating part 206 when movement.In Fig. 5 and Fig. 6, locating part 206 is sent out relative to Fig. 3 and Fig. 4Raw rotation, notch section 2062 are only oriented to trigger shaft 117 after rotating, and due to the presence of notch section 2062, locating part 206 is in the axial directionNo longer stop trigger shaft 117, trigger shaft 117 can move alone.
In the present embodiment, it is provided with the through-hole 1162 passed through for locating part 206 in closed rod 116, and the one of trigger shaft 117Side is then provided with semi-circular groove 1172.Trigger shaft 117 move alone before, the position of locating part 206 always with semi-circular groove1172 is corresponding.
Locating part 206 for ease of operation, the outside of shell 111 are provided with operating parts 119.Shell 111 is internally provided withSwitch push rod 207, the first switch knob 208 and the second switch knob 209.Switching push rod 207 is fixedly connected with operating parts 119,It is also fixedly connected simultaneously with the first switch knob 208 and the second switch knob 209 by a connecting rod 2071 simultaneously.First cutsIt changes knob 208 and the second switch knob 209 is located at the two sides of locating part 206 and to cooperate with locating part 206.SwitchingPush rod 207 connects two switch knobs by connecting rod 2071 simultaneously, extends the first switch knob 208 and the second switch knobThe 209 operation arm of force, to reduce the push-pull effort of operating parts 119.
Operating parts 119 be a slip lid, can opposite shell 111 slide back and forth.Operating parts 119 is to pass through operation switching push rod207, the first switch knob 208 and the second switch knob 209 convert locating part 206 between link position and disengaged position.Operating parts 119 is configured as having the 111 post exercise second position of first position and opposite shell on shell 111, wherein graspingFor workpiece 119 at first position, operating parts 119 does not work to locating part 206, and operating parts 119 is at the second position, operating parts119 can drive 206 transition status of locating part.
The first position of operating parts 119 is as shown in Figure 8 and Figure 9, it can be seen that two switch knobs are not rotated at this time.Linear incision stapler 100 not yet starts closed action.The second position of operating parts 119 is as shown in Figure 10 and Figure 11, can seeIt arrives, two switch knobs have been rotated at this time, are closed at this time in place, and firing action can be started.That is, the second of operating parts 119Position is the position of the corresponding closure of linear incision stapler 100 in place.
Therefore, operating parts 119 is configured as: before being closed in place, operating parts 119 can not drive locating part 206 to convertState, after being only closed in place, operating parts 119 can drive 206 transition status of locating part, but also linear incision stapler100 are converted to cock by closed state.And after being closed in place, user only needs the operation of a slide part 119, it is very easy to use, before closure is in place, locating part 206 will not be driven to change shape slide part 119State.
Figure 12 and Figure 13 is the structural schematic diagram of the first switch knob 208.Figure 14 and Figure 15 is the second switch knob 209Structural schematic diagram.Two knob structures are similar, and due to being located at 206 two sides of locating part, the two structure is symmetrical.
By taking the first switch knob 208 as an example, it is provided with card slot 2082 on the first switch knob 208, wherein when trigger shaft 117When closed rod 116 being driven to move to predetermined position (being closed in place), locating part 206 also follows trigger shaft 117 and closed rod 116The position matched with the first switch knob 208 is moved to, specifically, the end of locating part 206 enters in card slot 2082, makesThe first switch knob 208 is able to drive locating part 206 when being rotated and rotates.On the contrary, if trigger shaft 117 and closed rod 116When not moving to predetermined position (being closed not in place), the end of locating part 206 is not entered in card slot 2082, due to locating part206 can not drive limit when being rotated in the position that cannot be matched with the first switch knob 208, the first switch knob 208Position part 206 rotates.
Make similar setting on second switch knob 209, repeats no more.In this way, only after being closed in place, slidePart 119 makes it move to the second position by first position, can complete the switching of closed state to cock.
In addition, linear incision stapler 100 further includes switch protecting structure, the switch protecting structure is to prevent trigger shaft117 and closed rod 116 not at predetermined position (closure not in place), the rotation of switch knob, thus avoid closure in place when butIt cannot complete the switching of closed state to cock.
It is still illustrated by taking the first switch knob 208 as an example, Figure 12, Figure 13 and Figure 16 illustrate the switching of first wayProtect structure.The switch protecting structure of the first includes the locating piece 2084 being arranged on the first switch knob 208, is arranged and is following closelyThe limiting slot 1141 matched with locating piece 2084 on storehouse left support 114.Wherein, limiting slot 1141 includes 1143 He of first segmentSecond segment 1145.First segment 1143 is a strip groove.Second segment 1145 is connected to first segment 1143, and size is greater than first segment1143。
When linear incision stapler 100 is closed not in place, when locating piece 2084 is in first segment 1143, the first switch knob208, which are restricted from rotation, is merely able to slide axially.After linear incision stapler 100 is closed in place, locating piece 2084 is movedWhen into second segment 1145, locating piece 2084 has the space of rotation in second segment 1145, and the first switch knob 208 can be turnedIt is dynamic.Make similar setting on second switch knob 209, repeats no more.When linear incision stapler 100 is closed not in place as a result,First switch knob 208 will not be driven to rotate.
Figure 17 to Figure 23 then illustrates the switch protecting structure of the second way.Second of switch protecting structure includes settingIt sets the limiting slot 2072 on switching push rod 207, the guide groove 1121 being arranged on nail anvil left support 112, spacer pin 1123, setSet the pushing portion 1164 in closed rod 116.
Spacer pin 1123 pass through the end of limiting slot 2072 and spacer pin 1123 by the limitation of guide groove 1121 can only on move downIt is dynamic.Limiting slot 2072 includes first segment 2073 and second segment 2075, and L-shaped on the whole, first segment 2073 is from second segment 2075Extend after the bending of end.
When linear incision stapler 100 is closed not in place, spacer pin 1123 is located in first segment 2073 and by first segment2073 inner wall stops, so that switching push rod 207 can not be pushed, and then switches push rod 207 and not will drive the first switch knob208 and second switch knob 209 rotate, thus avoid closure not in place when switch knob be rotated at random, be unlikely to closeThe case where switch knob can not but cooperate with locating part 206 after closing in place.
The elastic construction 2077 for being maintained at spacer pin 1123 in first segment 2073 is additionally provided in first segment 2073.ElasticityStructure 2077 is elastic slice or other elastic elements.
In 100 closing course of linear incision stapler, closed rod 116 is moved, and the pushing portion 1164 in closed rod 116 advancesWhile increase in guide groove 1121 spacer pin 1123, while the elastic force for making spacer pin 1123 overcome elastic slice moves upwards.After being closed in place, spacer pin 1123 just moves to the connectivity part of first segment 2073 Yu second segment 2075.Switching is pushed to push away at this timeBar 207, spacer pin 1123 are able to enter second segment 2075 and slide in second segment 2075, do not influence to change switching push rod 207Sliding.
In the present embodiment, pushing portion 1164 is inclined-plane.While closed rod 116 is advanced, supported on inclined-plane with spacer pin 1123The height at the position connect is gradually increased, to constantly spacer pin 1123 be pushed to rise in guide groove 1121.On the contrary, closed rodWhen 116 retrogressing, spacer pin 1123 then constantly declines.
Pushing portion 1164 also can be set on trigger shaft 217, the lifting before not influencing closure in place to spacer pin 1123.In the present embodiment, since closed rod 116 is motionless after in place in closure, pushing portion 1164 is arranged in closed rod 116, in axial directionIt does not need the space that more pushing portions 1164 advance, to design conducive to whole structure.
Figure 26 to 28 is please referred to, operation indicating structure is additionally provided between operating parts 119 and shell 111, is grasped to promptSwitching of the workpiece 119 between its first position and the second position, user perceive whether complete switching action in which can be convenient.
Operation indicating structure at least following two implementation.The first, operation indicating structure includes that setting is operatingThe first groove 1191, the second groove 1193 on part 119 and the protrusion 1195 between two grooves, and be arranged in shellThe first salient point 1112, the second salient point 1114 on 111 and the locating slot 1116 between two salient points.Wherein shell 111 byTwo half-shells form, and only illustrate a half-shell in Figure 25.Correspondingly, the first above-mentioned salient point is provided in two half-shells1112, the second salient point 1114 and the locating slot 1116 between two salient points.
After 119 groups of operating parts are assigned in shell 111, protrusion 1195 can be slided in locating slot 1116.When the first groove 1191When cooperating with the first salient point 1112, operating parts 119 is located at its first position, when the second groove 1193 and the second salient point 1114 cooperateWhen, operating parts 119 is located at its second position.
By the physical contact of groove and salient point, when operating parts 119 switches between the two positions, user can be according to handThe variation of sense easily determines whether to have completed to switch, and then can remove the different control buttons in control handle portion.
Second of implementation: operation indicating structure includes the first magnet 1197 and second being arranged on operating parts 119Magnet 1198, and the first Hall switch and the second Hall switch (not shown) that are arranged on shell 111.The touching of first magnet 1197When sending out the first Hall switch, operating parts 119 is located at its first position, when the second magnet 1198 triggers the second Hall switch, operationPart 119 is located at its second position.By the signal intensity of two Hall switch, so that the control module of handle portion can control soundSound module, vibration module, light modules work, prompt user.
With reference to Figure 22 to Figure 25, component 118 of sewing includes nail anvil 1181, nail bin 1182 and ejector pin to store suturing nailPlate 1183.Wherein, nail anvil 1181 and nail anvil left support 112 and nail anvil right support 113 are fixed, and nail bin 1182 is then with respect to the left branch of nail anvilFrame 112 and nail anvil right support 113 can slide axially, and be formed between nail bin 1182 and nail anvil 1181 to place tissue to be stapledJaw.
Nail pushing plate 1183 is placed in nail bin 1182 back to the side of nail anvil 1181, can axially slide relative to nail bin 1182Dynamic, nail pushing plate 1183 is pushed by trigger shaft 117 to advance, so that suturing nail, which is released nail bin 1182, completes percussion.
When closure, closed rod 116 is advanced, and nail bin left support 114, nail bin right support 115 drive nail bin 1182, nail pushing plate1183 advance towards nail anvil 1181, and jaw constantly reduces.After being closed in place, closed rod 116 is slack, and trigger shaft 117 continuesAdvance and nail pushing plate 1183 is pushed to advance, completes percussion.After the completion of percussion, when trigger shaft 117 retreats alone, nail bin 1182 is pushed awayNail-plate 1183 is motionless, and when closed rod 116 retreats, nail bin 1182, nail pushing plate 1183 retreat together.
It further include the position detecting element 1185 to detect 1183 position of nail pushing plate in sewing component 118.Position detectionElement 1185 is arranged on nail anvil left support 112 or nail anvil right support 112.Utilize the nail of the detection installation of position detecting element 1185Whether storehouse is new nail bin, avoids faulty operation.
As shown in figure 23, the position that will be fired is moved to for trigger shaft 117, nail pushing plate 1183 is not yet pushed at this time.Position detecting element 1185 can sense nail pushing plate 1183, illustrate that nail pushing plate 1183 is not pushed, and nail bin 1182 is new staple cartridge,Percussion can be normally carried out.
As shown in figure 24, after the completion of percussion, trigger shaft 117 releases nail pushing plate 1183, and position detecting element 1185 willIt can't detect nail pushing plate 1183.In this way, when nail bin 1182 follows closed rod 116 to return at maximum jaw position, due to ejector pinPlate 1183 can't self-return, position detecting element 1185 will test less than nail pushing plate 1183, and system will be prompted to change nail bin1182.Prompt can be realized by light, sound lamp mode.Therefore it is provided with position detecting element 1185, is obtained with can be convenientKnow whether nail bin 1182 completed ejector pin, if be it is new, avoid carrying out percussion operation to used nail bin.
Position detecting element 1185 can be optoelectronic switch.After 110 groups of catcher shanks of work head, optoelectronic switch and handleControl module communication connection in portion, nail pushing plate 1183 are pushed to 1182 front and back of nail bin, and the electric signal that optoelectronic switch generates is different,System is set to know whether 1183 position of nail pushing plate changes.Control module can connect alarm module, to mention to userShow.Certainly, control module can not also generate jet instruction directly after detecting nail bin 1182 not and being new staple cartridge.
Position detecting element 1185 is also possible to microswitch or close to switch, can before and after the variation of 1183 position of nail pushing plateTo trigger microswitch or close to switch, different electric signals is generated, the signal intensity for receiving control module, so as toKnow whether nail pushing plate 1183 has to be pushed.
In addition, closed rod 116 is to be driven to advance by trigger shaft 117 in the present embodiment.It should be pointed out, however, that above-mentioned detectionNail bin 1182 whether be new nail bin scheme can equally be well applied to closed rod 116, driving machine is individually arranged in trigger shaft 117The stapler of structure.
The linear incision stapler 100 of the present embodiment is additionally provided with safety indicating structure, and when instrument works normally, its is auxiliaryHelp warning function.
Join Figure 29, closed rod 116 and trigger shaft 117 are placed side by side, and closed rod 116 has the top for covering trigger shaft 117,The top is provided with along the indicating area 1165 of closed rod 116 axially arranged.Instruction unit 1174 is provided on trigger shaft 117,When trigger shaft 117 is moved relative to closed rod 116, instruction unit 1174 moves in the region corresponding to indicating area 1165.
The first end of indicating area 1165 corresponds to the position that closed rod 116 is closed instruction unit 1174 on trigger shaft 117 when in placeIt sets.The second end opposite with first end of indicating area 1165 then to indicate percussion in place when instruction unit 1174 position.Change speechIt, after being closed in place, instruction unit 1174 just moves to the first end of indicating area 1165, i.e., is aligned with first end.It slides at this timeDynamic operating parts 119 makes 206 transition status of locating part.Trigger shaft 117 moves on, and instruction unit 1174 is moved on therewith until fortuneThe second end to indicating area 1165 is moved, i.e., is aligned with second end, trigger shaft 117 pushes nail pushing plate 1183 to nail bin 1182 at this timeReach the position that can fire suturing nail, i.e. firing position.
The top setting fluting 1166 of closed rod 116.The two sides of fluting 1166 are provided with indicating area 1165.Indicate areaDomain 1165 is the region that graduation mark is formed, and is also possible to be attached to the mark at the top of closed rod 116.Attachment can be stickup,The modes such as coating.
Instruction unit 1174 is stuck in fluting 1166.The second end pair of one slot bottom and indicating area 1165 of fluting 1166Together, prevent trigger shaft 117 from excessively firing.Instruction unit 1174 can be set to the fluting 1166 on the top of closed rod 116,It is also possible to concordant with the top of closed rod 116.
It is fully located at below the top of closed rod 116 in addition, instruction unit 1174 can also be.At this point, fluting 1166 can alsoIt to save, is changed to be arranged to transmission region, the length of transmission region is consistent with the length of indicating area 1165, the both ends point of the twoIt is not aligned, it has also been observed that the motion conditions of instruction unit 1174.Transmission region can be formed for setting transparent material, can alsoTo be that setting engraved structure is formed.
Above-mentioned safety indicating structure can play suggesting effect when linear Endo-GIA 100 is using electric drive mode.In addition, linear incision stapler 100, which can be also arranged, manually adjusts structure, hand is executed to be manually operated when electric model failsArt.And above-mentioned safety indicating structure can accurately control closed position, firing position when stapler uses manual modeAnd the position that closed rod 116 is retracted after percussion.
Wherein, closure is illustrated when instruction unit 1174 moves to the first end of indicating area 1165 in place, it can be with slidePart 119 carries out the switching of closed state to cock.Explanation when instruction unit 1174 moves to the second end of indicating area 1165Reach firing position.When closed rod 116, trigger shaft 117 return together, when instruction unit 1174 moves to the of indicating area 1165Illustrate that closed rod 116, trigger shaft 117 have returned to initial position when one end.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned realityIt applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not depositedIn contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneouslyIt cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the artIt says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the inventionRange.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.