CN204364051U - A kind of nail-head component and chamber mirror surgical operation seaming and cutting device - Google Patents
A kind of nail-head component and chamber mirror surgical operation seaming and cutting device Download PDFInfo
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- CN204364051U CN204364051U CN201420859569.9U CN201420859569U CN204364051U CN 204364051 U CN204364051 U CN 204364051U CN 201420859569 U CN201420859569 U CN 201420859569U CN 204364051 U CN204364051 U CN 204364051U
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Abstract
This utility model provides a kind of nail-head component and chamber mirror surgical operation seaming and cutting device, and described nail-head component comprises: nail bin frame, is removably provided with nail bin; Nail anvil, can relative to nail bin pivoted closed; Percussion block, is arranged in nail bin movably; Cutting knife, the near-end of described cutting knife is provided with push broach bar, and the far-end of cutting knife is provided with blade, and under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves; Insurance institution, it comprises: block, is arranged on described cutting knife, longitudinally can move between the first location and the second location relative to described nail bin along it; Gear pin, described gear pin is arranged in described nail bin, and vertically can move between the 3rd position and the 4th position relative to described nail bin; Elastomeric element, is arranged between described nail bin and described gear pin, drives described gear pin to be moved to described 4th position by described 3rd position.Again pull the trigger when this nail-head component can prevent from not changing the nail bin of having pulled the trigger effectively.
Description
Technical field
This utility model relates to medical instruments field, particularly, relates to and a kind ofly has the nail-head component of the insurance institution of anti-secondary percussion and have the chamber mirror surgical operation seaming and cutting device of this nail-head component.
Background technology
Seaming and cutting device is widely used in wound suture, the interior tissue stitching in surgical operation and cuts.Surgical operation is developed so far, and more and more tends to Minimally Invasive Surgery.Broadly, the operation that can reduce wound is all called Minimally Invasive Surgery; Narrow sense, Minimally Invasive Surgery refers to the operation carried out at Microendoscopic.The operation of Microendoscopic generally only needs to open several aperture on the health of patient, excision, suture tissue and auxiliary apparatus is goed deep into performing the operation in patient body from aperture.The wound that Minimally Invasive Surgery brings to patient is little, and patient can recover in a short period of time, and therefore Minimally Invasive Surgery is more and more subject to the favor of people.
For the chamber mirror surgical operation straight line seaming and cutting device of Minimally Invasive Surgery in prior art, comprise an instrument body, described instrument body comprises housing and a pivot and is located at percussion handle on housing, be provided with a relatively-movable trigger shaft in this housing, the nail-head component that described trigger shaft can promote to be positioned at housing forward end carries out sewing up and excising.Concrete, described nail-head component comprises a nail bin frame, and one and the pivotally connected nail anvil of nail bin frame.Described nail bin frame is removably provided with nail bin, be provided with in nail bin in one group be provided with pushing slice of nail, anastomosis staple put nail, be generally 4 rows or 6 row put nail.Described nail anvil is being provided with nail forming tank with described putting on the relative position of nail.Described nail-head component also comprises one and is arranged on push broach bar in the adapter of nail-head component, that connect with trigger shaft movably, and the far-end of described push broach bar fixes an I shape cutting knife, and nail bin and nail anvil close by this I shape cutting knife in the process of advancing.The distal center of described cutting knife is provided with blade, and the tissue be positioned between nail bin and nail anvil cuts off by it in the process of advancing.Be provided with percussion block in nail bin, in the process that I shape cutting knife advances, pushing slice of nail is pushed out of outside nail bin by I shape cutter driving percussion block successively, so pushing slice of nail anastomosis staple to be pushed out of nail bin outer and order conjunction organizationally.In prior art, after doctor completes above-mentioned seaming and cutting action, first need apparatus to reset, then change nail bin, so that chamber mirror surgical operation seaming and cutting device carries out seaming and cutting operation next time.
But due to doctor or the doctor that lacks experience of some carelessnesses, seaming and cutting operation once on carrying out when not changing the nail bin of having pulled the trigger, can cause the generation of malpractice like this, namely carry out excising but not sewing up.In order to prevent the generation of this type of accident, propose the theory using the anti-secondary percussion of secondary fuse, namely when not changing the nail bin of having pulled the trigger, percussion handle can not be pressed.Like this, the malpractice produced due to doctor's maloperation is fundamentally prevented.
Utility model content
This utility model provides a kind of nail-head component and chamber mirror surgical operation seaming and cutting device, can effectively prevent seaming and cutting device from being pulled the trigger by secondary when not changing nail bin.
According to an aspect of the present utility model, a kind of nail-head component is provided, it is characterized in that, comprising: nail bin frame, is removably provided with nail bin; Nail anvil, can relative to nail bin pivoted closed; Percussion block, is arranged in described nail bin movably; Cutting knife, the near-end of described cutting knife is provided with push broach bar, and the far-end of described cutting knife is provided with blade, and under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves; Insurance institution, described insurance institution comprises: block, is arranged on described cutting knife, longitudinally can move between the first location and the second location relative to described nail bin along it; Gear pin, described gear pin is arranged in described nail bin, and vertically can move between the 3rd position and the 4th position relative to described nail bin; Elastomeric element, is arranged between described nail bin and described gear pin, drives described gear pin to be moved to described 4th position by described 3rd position; Before described percussion block is mobile by described cutting knife percussion, described gear pin is in described 3rd position, and described percussion block supports described gear pin, and described elastomeric element is in compressive state, and described block can move to the described second position by described primary importance; After described percussion block is mobile by described cutting knife percussion, described gear pin moves to described 4th position under the effect of described elastomeric element, and described gear pin stops that described block moves to the described second position by described primary importance.
Preferably, there is in described nail bin the first stopper slot that vertical direction is arranged, limit described gear pin and move in described first stopper slot.
Preferably, described nail bin also has second stopper slot arranged along the longitudinal direction of described nail bin frame, and described second stopper slot communicates with described first stopper slot, and described first stopper slot is positioned at the top of described second stopper slot; Described block and described percussion block can move along described second stopper slot.
Preferably, after described percussion block is mobile by described cutting knife percussion, described gear pin declines and stretches into described second stopper slot under the effect of described elastomeric element, arrive described 4th position, between the primary importance and the second position of described block, and described block is positioned at the distal side of described gear pin; Be drawn back into the near-end of described nail bin at described cutting knife after, described gear pin remains on described 4th position under the effect of described elastomeric element, and described block is positioned at the proximal lateral of described gear pin.
Preferably, described elastomeric element is a spring, and one end of described spring connects the top of described first stopper slot, and the other end connects described gear pin.
Preferably, described insurance institution comprises two described blocks and two described gear pins, and two described blocks are arranged at the below of described blade both sides respectively, and two described gear pins and two described blocks are positioned at the both sides of described blade accordingly.
Preferably, described cutting knife is longitudinal section is I-shaped I-shaped cutter, promotes described cutting knife toward in the process of far-end movement at described push broach bar, and the top of described I-shaped cutter makes described nail anvil close towards described nail bin; When described nail anvil and nail bin close and described gear pin is positioned at the 3rd position, the primary importance of described block is positioned at the below of described gear pin, or the primary importance of described block is than the near-end of described percussion block closer to described nail bin frame.
Preferably, the height of described block is less than or equal to the height of described percussion block.
Preferably, described gear pin has one first guide portion, when described block moves to described primary importance by the described second position, guides described gear pin to be moved to the 3rd locality by described 4th position.
Preferably, described first guide portion is one first inclined-plane, and described first inclined-plane is arranged at the far-end of described gear pin, and tilts towards near-end descending manner from far-end.
Preferably, described block has one second guide portion, and described second guide portion coordinates described first guide portion, guides described gear pin to be moved to the 3rd locality by described 4th position.
Preferably, described first guide portion is one first inclined-plane, and described first inclined-plane is arranged at the far-end of described gear pin, and tilts towards near-end descending manner from far-end; Described second guide portion is the second inclined-plane adapted with described first inclined-plane, and it is arranged at the near-end of block, and tilts towards near-end descending manner from far-end.
According to another aspect of the present utility model, a kind of chamber mirror surgical operation seaming and cutting device is also provided, it is characterized in that, comprise described nail-head component.
This utility model is by providing a kind of nail-head component and chamber mirror surgical operation seaming and cutting device, can effectively prevent doctor carry out when not changing the nail bin of having pulled the trigger on operation once, avoid the generation of malpractice, and this seaming and cutting apparatus structure is simple effectively, convenient operation.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the top view of nail-head component of the present utility model;
Fig. 2 is the front view of nail-head component of the present utility model;
Fig. 3 is the structural representation in the A-A cross section before the nail-head component percussion in Fig. 1;
Fig. 4 is the structural representation in the C-C cross section before the nail-head component percussion in Fig. 1;
Fig. 5 is the structural representation in the B-B cross section before the nail-head component percussion in Fig. 2;
The structural representation in A-A cross section when Fig. 6 is the nail-head component percussion in Fig. 1;
The structural representation in B-B cross section when Fig. 7 is the nail-head component percussion in Fig. 2;
Fig. 8 a is the structural representation in the A-A cross section after the nail-head component percussion in Fig. 1 in cutting knife reseting procedure;
Fig. 8 b is the close-up schematic view at D place in Fig. 8 a; And
Fig. 9 is the structural representation in the A-A cross section after the cutting knife of nail-head component in Fig. 1 resets.
Detailed description of the invention
Near-end described in this utility model and far-end are all using exercises on apparatus author as reference, and be near-end near one end of operator, the one end away from operator is far-end.Longitudinal direction in this utility model refers to part length direction, roughly distally arrives the direction of near-end, and vertical direction is roughly consistent with the short transverse of cutting knife.Top/upper and lower in this utility model/under, vertically, level etc. is the explanation carried out for accompanying drawing to the description of direction or position, but also can makes a change as required, institute makes to change and is all included in this utility model protection domain.In addition, term first, second, third, fourth grade only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.
According to the design of this utility model purport, nail-head component comprises nail bin frame, nail anvil, percussion block, push broach bar, cutting knife and insurance institution.Nail bin frame is removably provided with nail bin; Nail anvil can relative to nail bin pivoted closed; Percussion block is arranged in described nail bin movably; The near-end of cutting knife is provided with push broach bar, and the far-end of cutting knife is provided with blade, and under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves.Insurance institution comprises block, gear pin and elastomeric element, and block is arranged on described cutting knife, longitudinally can move between the first location and the second location relative to described nail bin along it; Described gear pin is arranged in described nail bin, and vertically can move between the 3rd position and the 4th position relative to described nail bin, and described 3rd position is positioned at the top of described 4th position; Elastomeric element is arranged between described nail bin and described gear pin, drives described gear pin to be moved to described 4th position by described 3rd position; Before described percussion block is mobile by described cutting knife percussion, described gear pin is in described 3rd position, described elastomeric element is in compressive state, and described percussion block is supported in the below of described gear pin, and described block can move to the described second position by described primary importance; After described percussion block is mobile by described cutting knife percussion, described gear pin moves to described 4th position under the effect of described elastomeric element, and described gear pin stops that described block moves to the described second position by described primary importance.
Below in conjunction with drawings and Examples, technology contents of the present utility model is described further:
Please also refer to Fig. 1 to Fig. 5, which respectively show the cross section structure schematic diagram at A-A, B-B, C-C place of the front nail-head component of the top view of nail-head component of the present utility model, front view and percussion.Wherein, the connection tube due to nail-head component is not innovative part of the present utility model, therefore, in order to more clearly show the structure of nail-head component, eliminates the connection tube of nail-head component in part accompanying drawing.In preferred embodiment of the present utility model, nail-head component comprises: nail bin frame 1, nail anvil 9, connection tube (not shown), nail bin 2, percussion block 3, push broach bar 4, cutting knife 5 and insurance institution.Wherein, described nail anvil 9 is connected to the top of nail bin frame 1, preferably, the near-end of nail anvil 9 and the near-end 11 of nail bin frame 1 pivotally connected.
Nail bin 2 is arranged between nail bin frame 1 and described nail anvil 9, and removably connects nail bin frame 1.As shown in Figure 3, there is in nail bin 2 the first stopper slot 21 and horizontally disposed second stopper slot (chute) 22 that a vertical direction is arranged.First stopper slot 21 communicates with the second stopper slot 22, and the first stopper slot 21 is positioned at the top of the second stopper slot 22.More specifically, be provided with in nail bin 2 hold pushing slice of nail and anastomosis staple put nail (not shown), be generally 4 rows or 6 rows put nail, nail anvil 9 is provided with and puts nail forming tank (not shown) corresponding to nail, to sew up in nail bin.
Percussion block 3 is arranged in nail bin 2 movably.Particularly, percussion block 3 is arranged in the second stopper slot 22, and distally can move along the second stopper slot 22 from the near-end of nail bin 2.
Push broach bar 4 is arranged in described connection tube movably, and the far-end 41 of push broach bar 4 is connected with cutting knife 5.Cutting knife 5 far-end 52 is also provided with blade 53.Cutting knife 5 is promoted toward in the process of far-end movement at described push broach bar 4, blade 53 can cut off the tissue between nail anvil 9 and nail bin 2, and meanwhile, cutting knife 5 can promote percussion block 3 and move, thus pushing slice of nail is released nail bin 2 successively, and then anastomosis staple is released nail bin 2 and ordered close in tissue.In the present embodiment, the longitudinal section of cutting knife 5 is I-shaped, promotes cutting knife 5 toward in the process of far-end movement at described push broach bar 4, and I-shaped cutting knife 5 can make nail anvil 9 close towards nail bin 2.
Insurance institution comprises block 61, gear pin 62 and elastomeric element.Block 61 is arranged on cutting knife 5, can move between the first location and the second location relative to nail bin 2.As shown in Figure 3 and Figure 6, block 61 is arranged in the second stopper slot 22, and can move along the second stopper slot 22, and block 61 is relative to the near-end 11 of percussion block 3 closer to nail bin frame 1.Primary importance and the second position are two positions in horizontal direction, and primary importance is relative to the near-end 11 of the second position closer to nail bin frame 1.Particularly, primary importance as shown in Figure 3 and Figure 5, now, cutting knife 5 is positioned at the near-end 11 of nail bin frame 1, and block 61 is relative to the near-end 11 of gear pin 62 closer to nail bin frame 1; The second position refers to the position when cutting knife 5 moves to distalmost end 12 from the near-end 11 of nail bin frame 1 under the driving of push broach bar 4, and namely block 61 moves to nail bin frame 1 far-end 12 and can not continue position when distally moving again.Further, as shown in Figure 5, described insurance institution comprises the far-end 52 that two blocks, 61, two blocks 61 are all arranged at cutting knife 5, and lays respectively at the below of blade 53 both sides.
Gear pin 62 is arranged in nail bin 2, and can move between the 3rd position and the 4th position relative to nail bin 2, when gear pin 62 is in the 3rd position, block 61 can move to the described second position by primary importance, when gear pin 62 is in the 4th position, gear pin 62 stops that block 61 moves to the second position by primary importance.As shown in Figure 3, gear pin 62 to be placed in the first stopper slot 21 and to be subject to the first stopper slot 21 and limits, and only can carry out the movement of vertical direction in the first stopper slot 21.3rd position and the 4th position are two positions on vertical direction, and the 3rd position is positioned at the top of the 4th position.Particularly, as shown in Figure 3 and Figure 5, gear pin 62 is positioned at the top of percussion block 3, now, percussion block 3 applies a power straight up to gear pin 62 and forces gear pin 62 elasticity of compression parts, and then relative first stopper slot 21 of gear pin 62 is moved up certain distance, thus make gear pin 62 avoid the moving line of block 61 when primary importance moves to the second position, now gear pin 62 position is the 3rd position, as shown in Figure 6, cutting knife 5 is driven from primary importance in the process of far-end 12 movement of nail bin frame 1 at promotion push broach bar 4, cutting knife 5 promotes percussion block 3 and moves to the far-end of nail bin 2 simultaneously, make to pull the trigger block 3 and leave the below of gear pin 62 gradually to no longer producing constraint to gear pin 62, meanwhile, block 61 on cutting knife 5 also moves to the far-end 12 of nail bin frame 1, behind below when block 61 smoothly by gear pin 62, any restriction is no longer subject to below gear pin 62, move downward along the first slot 21 under the effect of elastomeric element, and part gear pin 62 enters the second slot 22, gear pin 62 is made to be barred from block 61 mobile alignment between the first location and the second location, now gear pin 62 position is the 4th position.Further, in the present embodiment, as shown in figure 5 and figure 7, described insurance institution comprises the structure that two gear pins, 62, two gear pins 62 can form similar " H " type, and corresponding with the position of two blocks 61, lays respectively at the both sides of blade 53.As another interchangeable embodiment, two gear pins 62 also can be set to the structure of similar " L " type respectively, and the structure of certain gear pin 62 is not limited to above shape, as long as make gear pin 62 can play the effect of the motion of limit stop 61.
Described elastomeric element is arranged between nail bin 2 and gear pin 62, drives gear pin 62 to be moved to the 4th position by the 3rd position.As shown in figure 5 and figure 7, elastomeric element is preferably a spring 63.Spring 63 is arranged in the first stopper slot 21, and one end of spring 63 connects the top of the first stopper slot 21, and the other end connects gear pin 62.It will be appreciated by those skilled in the art that in certain embodiments, elastomeric element can change, and such as, elastomeric element can be a bullet block being arranged between the top of the first stopper slot 21 and gear pin 62.Do not repeat them here.
Further, refer to Fig. 3 and Fig. 5, when before nail-head component percussion of the present utility model, after nail anvil 9 and nail bin 2 close, block 61 is positioned at primary importance, such as, be also positioned at the below of described gear pin, and gear pin 62 is positioned at the 3rd position, and the percussion block 3 being positioned at nail bin 2 near-end is supported in the below of gear pin 62, gear pin 62 is subject to the support force of percussion block 3 and then makes spring 63 be in compressive state.
Further, please also refer to Fig. 6 to Fig. 9.
Fig. 6 and Fig. 7 respectively illustrates the structural representation in the cross section of A-A and B-B when nail-head component is pulled the trigger.As shown in Figure 6 and Figure 7, after cutting knife 5 promotes percussion block 3 under push broach bar 4 acts on, percussion block 3 moves along the second stopper slot 22 to the far-end 12 of nail bin frame 1 and departs from gear pin 62.In the process, block 61 moves to the second position by primary importance, and meanwhile, gear pin 62 loses support due to moving of block 3 of percussion, and then under the elastic force effect of spring 63, drop to the 4th position (such as bottom nail bin).Meanwhile, as shown in Figure 6, when gear pin 62 is positioned at the 4th position, part gear pin 62 has declined and has stretched into the second stopper slot 22, and between gear pin 62 primary importance that is barred from block 61 and the second position.Preferably, the height of block 61 is less than or equal to the height of percussion block 3, and be more conducive to after percussion block 3 is removed, block 61 can move to the second position by primary importance before gear pin 62 drops to the 4th position by the 3rd position.
Further, as figures 8 a and 8 b show, after completing the cutting to tissue, sewing up, cutting knife need reset, and pulls the trigger the far-end that block 3 then rests on nail bin.Carry out in the process resetted at cutting knife 5, block 61 also correspondingly returns the primary importance before percussion.Fig. 8 a and Fig. 8 b shows the structural representation in the A-A cross section in the rear cutting knife reseting procedure of nail-head component percussion, and Fig. 8 b is the close-up schematic view at the D place of Fig. 8 a.As shown in figs. 8 a and 8b, gear pin 62 has one first guide portion, and the first guide portion is used for when block 61 moves to primary importance by the second position, guides gear pin 62 to be moved to the 3rd locality by the 4th position.In Fig. 8 b illustrated embodiment, described first guide portion is one first inclined-plane 621, first inclined-plane 621 is positioned at the lower position of the far-end of gear pin 621, first inclined-plane 621 is distally to the direction descending manner inclination of near-end, the longitudinal section of such as gear pin 621 is trapezoidal, the first inclined-plane 621 with the far-end of gear pin 621 for starting point extends to the bottom surface of gear pin 62.When block 61 is moved to primary importance direction by the second position, the component that block 61 promotes the vertical direction that the first inclined-plane 621, inclined-plane 621, first produces makes gear pin 62 move to the 3rd locality, and spring 63 is in compressive state again.When gear pin 62 is positioned at the top of block 61 completely, gear pin 62 is in the 5th position.Be understandable that, the height due to block 61 is less than or equal to the height of percussion block 3, and therefore, the 5th position is between the 3rd position and the 4th position.When the height of block 61 is identical with the height of percussion block 3, the 5th position and the 3rd position are same position.
Further, preferably, block 61 has one second guide portion, and described second guide portion coordinates the first guide portion, guides gear pin 62 to be moved to the 3rd locality by the 4th position.In Fig. 8 b illustrated embodiment, described second guide portion is the second inclined-plane 611 adapted with the first inclined-plane 621.Second inclined-plane 611 is arranged at the top position of the near-end of block 61.The setting on the second inclined-plane 611, is more conducive to block 61 and supports gear pin 62 and rise.
Fig. 9 shows the structural representation in the A-A cross section after cutting knife reset.As shown in Figure 9, be back in the process of primary importance at block 61, after block 61 moves to and no longer produces the position of interaction force with gear pin 62, gear pin 62 just loses the support of block 61, under the elastic force effect of spring 63, again drop to the 4th position, be barred from the mobile alignment of block 61 between described primary importance and the second position.Because the near-end of gear pin 62 does not have guide portion; then the far-end of block 61 stop by the near-end of gear pin 62; therefore; if carry out secondary percussion; gear pin 62 can stop that block 61 is moved to the second position by primary importance; make apparatus to carry out secondary percussion, just can normally pull the trigger after only having the nail bin more renewed.So, the effect preventing nail-head component from carrying out secondary percussion when the nail bin more do not renewed can just be played.The anti-secondary fire design of the present embodiment mainly utilizes the active force of spring 63 pairs of gear pins 62, drop on the mobile alignment of block 61 between described primary importance and the second position lose the support of percussion block 3 at gear pin 62 after, thus the percussion again after stoping cutting knife 5 to be pulled.
This utility model also provides a kind of chamber mirror surgical operation seaming and cutting device.This seaming and cutting device comprises body and nail-head component.Wherein, body comprises housing and is located at the firing handle in housing, and nail-head component is the nail-head component shown in Fig. 1 to Fig. 9.Connection tube and the push broach bar 4 of nail-head component are connected with body.Firing handle can promote push broach bar 4, and cutting knife 5 is moved to far-end 12 direction of nail bin frame 1.
Embodiment shown in comprehensive above-mentioned Fig. 1 to Fig. 9, those skilled in the art understand, nail-head component provided by the utility model and chamber mirror surgical operation seaming and cutting device, can effectively prevent doctor carry out when not changing the nail bin of having pulled the trigger on operation once, avoid the generation of malpractice, and this seaming and cutting apparatus structure is simply effective.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (13)
1. a nail-head component, is characterized in that, comprising:
Nail bin frame, is removably provided with nail bin;
Nail anvil, can relative to nail bin pivoted closed;
Percussion block, is arranged in described nail bin movably;
Cutting knife, the near-end of described cutting knife is provided with push broach bar, and the far-end of described cutting knife is provided with blade, and under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves;
Insurance institution, described insurance institution comprises:
Block, is arranged on described cutting knife, longitudinally can move between the first location and the second location relative to described nail bin along it;
Gear pin, described gear pin is arranged in described nail bin, and vertically can move between the 3rd position and the 4th position relative to described nail bin;
Elastomeric element, is arranged between described nail bin and described gear pin, drives described gear pin to be moved to described 4th position by described 3rd position;
Before described percussion block is mobile by described cutting knife percussion, described gear pin is in described 3rd position, and described percussion block supports described gear pin, and described elastomeric element is in compressive state, and described block can move to the described second position by described primary importance;
After described percussion block is mobile by described cutting knife percussion, described gear pin moves to described 4th position under the effect of described elastomeric element, and described gear pin stops that described block moves to the described second position by described primary importance.
2. nail-head component according to claim 1, is characterized in that, has the first stopper slot that vertical direction is arranged, limit described gear pin and move in described first stopper slot in described nail bin.
3. nail-head component according to claim 2, it is characterized in that, described nail bin also has second stopper slot arranged along the longitudinal direction of described nail bin frame, and described second stopper slot communicates with described first stopper slot, and described first stopper slot is positioned at the top of described second stopper slot; Described block and described percussion block can move along described second stopper slot.
4. nail-head component according to claim 3, it is characterized in that, after described percussion block is mobile by described cutting knife percussion, described gear pin declines and stretches into described second stopper slot under the effect of described elastomeric element, arrive described 4th position, between the primary importance and the second position of described block, and described block is positioned at the distal side of described gear pin;
Be drawn back into the near-end of described nail bin at described cutting knife after, described gear pin remains on described 4th position under the effect of described elastomeric element, and described block is positioned at the proximal lateral of described gear pin.
5. the nail-head component according to any one of claim 2 to 4, is characterized in that, described elastomeric element is a spring, and one end of described spring connects the top of described first stopper slot, and the other end connects described gear pin.
6. nail-head component according to any one of claim 1 to 4, it is characterized in that, described insurance institution comprises two described blocks and two described gear pins, two described blocks are arranged at the below of described blade both sides respectively, and two described gear pins and two described blocks are positioned at the both sides of described blade accordingly.
7. nail-head component according to any one of claim 1 to 4, it is characterized in that, described cutting knife is longitudinal section is I-shaped I-shaped cutter, promotes described cutting knife toward in the process of far-end movement at described push broach bar, and the top of described I-shaped cutter makes described nail anvil close towards described nail bin; When described nail anvil and nail bin close and described gear pin is positioned at the 3rd position, the primary importance of described block is positioned at the below of described gear pin, or the primary importance of described block is than the near-end of described percussion block closer to described nail bin frame.
8. nail-head component according to claim 7, is characterized in that, the height of described block is less than or equal to the height of described percussion block.
9. nail-head component according to claim 8, it is characterized in that, described gear pin has one first guide portion, when described block moves to described primary importance by the described second position, guides described gear pin to be moved to the 3rd locality by described 4th position.
10. nail-head component according to claim 9, is characterized in that, described first guide portion is one first inclined-plane, and described first inclined-plane is arranged at the far-end of described gear pin, and tilts towards near-end descending manner from far-end.
11. nail-head components according to claim 9, is characterized in that, described block has one second guide portion, and described second guide portion coordinates described first guide portion, guides described gear pin to be moved to the 3rd locality by described 4th position.
12. nail-head components according to claim 11, is characterized in that, described first guide portion is one first inclined-plane, and described first inclined-plane is arranged at the far-end of described gear pin, and tilts towards near-end descending manner from far-end; Described second guide portion is the second inclined-plane adapted with described first inclined-plane, and it is arranged at the near-end of block, and tilts towards near-end descending manner from far-end.
13. 1 kinds of chamber mirror surgical operation seaming and cutting devices, is characterized in that, comprising: the nail-head component according to any one of the claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859569.9U CN204364051U (en) | 2014-12-30 | 2014-12-30 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859569.9U CN204364051U (en) | 2014-12-30 | 2014-12-30 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
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| CN204364051U true CN204364051U (en) | 2015-06-03 |
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|---|---|---|---|
| CN201420859569.9U Withdrawn - After Issue CN204364051U (en) | 2014-12-30 | 2014-12-30 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
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| CN (1) | CN204364051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496488A (en) * | 2016-02-03 | 2016-04-20 | 苏州英途康医疗科技有限公司 | Electric anastomat |
| CN105796144A (en) * | 2014-12-30 | 2016-07-27 | 苏州天臣国际医疗科技有限公司 | Nail head component and suturing and cutting device for endoscopic surgery |
-
2014
- 2014-12-30 CN CN201420859569.9U patent/CN204364051U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796144A (en) * | 2014-12-30 | 2016-07-27 | 苏州天臣国际医疗科技有限公司 | Nail head component and suturing and cutting device for endoscopic surgery |
| CN105796144B (en) * | 2014-12-30 | 2018-07-31 | 苏州天臣国际医疗科技有限公司 | A kind of nail-head component and hysteroscope surgical operation seaming and cutting device |
| CN105496488A (en) * | 2016-02-03 | 2016-04-20 | 苏州英途康医疗科技有限公司 | Electric anastomat |
| US10595865B2 (en) | 2016-02-03 | 2020-03-24 | Suzhou Intocare Medical Technology Co., Ltd. | Electric surgical stapler |
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