CN204364049U - 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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- CN204364049U CN204364049U CN201420858544.7U CN201420858544U CN204364049U CN 204364049 U CN204364049 U CN 204364049U CN 201420858544 U CN201420858544 U CN 201420858544U CN 204364049 U CN204364049 U CN 204364049U
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- nail
- cutting knife
- nail bin
- block
- safety block
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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 it 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, and percussion block is provided with a unlocking feature; Cutting knife, described cutting knife at least longitudinally can move along it relative to nail bin frame between the first location and the second location, and 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, under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves; Insurance institution, described insurance institution comprises: safety block, and described safety block is arranged in described nail bin frame, and can relative to described nail bin frame laterally moving between the 3rd position and the 4th position along described nail bin frame; Elastomeric element, is arranged between described nail bin frame and described safety block, drives described safety block 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, be arranged in described nail bin movably, described percussion block is provided with a unlocking feature; Cutting knife, described cutting knife at least longitudinally can move along it relative to described nail bin frame between the first location and the second location, and 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, under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves; Insurance institution, described insurance institution comprises: safety block, and described safety block is arranged in described nail bin frame, and can relative to described nail bin frame laterally moving between the 3rd position and the 4th position along described nail bin frame; Elastomeric element, is arranged between described nail bin frame and described safety block, drives described safety block to be moved to described 4th position by described 3rd position; Before described percussion block is mobile by described cutting knife percussion, safety block described in described unlocking feature transverse shear stress is in described 3rd position, and described elastomeric element is in compressive state, and described cutting knife can move to the described second position by described primary importance; After described percussion block is mobile by described cutting knife percussion, described safety block moves to described 4th position under the effect of described elastomeric element, and described safety block stops that described cutting knife moves to the described second position by described primary importance.
Preferably, described nail bin frame has first stopper slot longitudinally arranged along it, and described cutting knife and described percussion block can move along described first stopper slot.
Preferably, described nail bin frame also has one along the second stopper slot of its horizontally set, described second stopper slot communicates with described first stopper slot, described insurance institution is arranged in described second stopper slot, described safety block moves in described second stopper slot, and relatively described 4th position, described 3rd position is further from described first stopper slot.
Preferably, after described percussion block is mobile by described cutting knife percussion, described safety block stretches into described first stopper slot under the effect of described elastomeric element, arrive described 4th position, between the primary importance and the second position of described cutting knife, and described cutting knife is positioned at the distal side of described safety block; Be drawn back into the near-end of described nail bin at described cutting knife after, described safety block remains on described 4th position under the effect of described elastomeric element, and described cutting knife is positioned at the proximal lateral of described safety block.
Preferably, described elastomeric element is a bullet block, and the relatively described safety block of described bullet block is further from described first stopper slot, and its one end connects described nail bin frame inwall, and the other end connects described safety block.
Preferably, described unlocking feature is a projection being convexly equipped in the bottom of described percussion block near-end.
Preferably, the both sides of described first stopper slot are respectively provided with one second stopper slot, described nail-head component comprises Liang Ge insurance institution, be arranged in two described second stopper slots respectively, when two described safety blocks are all positioned at the 4th position, the spacing between two described safety blocks is less than the transverse gage of described cutting knife.
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 safety block is positioned at the 3rd position, the primary importance of described cutting knife is than the near-end of described percussion block closer to described nail bin frame.
Preferably, described safety block has one first guide portion, when described cutting knife moves to described primary importance by the described second position, guides described safety block 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 safety block, and tilts towards the first stopper slot direction convex type from far-end.
Preferably, described safety block has one the 3rd guide portion, when described nail bin is installed, guides described safety block to be moved to the 3rd locality by described 4th position.
Preferably, described 3rd guide portion is one the 3rd inclined-plane, and described 3rd inclined-plane is arranged on the upper surface of described safety block, and tilts towards the first stopper slot direction convex type from upper surface.
Preferably, described insurance institution also comprises insurance fixed cap, and described safety block and described elastomeric element are capped between described insurance fixed cap and described nail bin frame.
According to another aspect of the present utility model, also comprise a kind of chamber mirror surgical operation seaming and cutting device, it is characterized in that, comprise above-mentioned 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 simply effective.
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 axonometric chart of nail-head component of the present utility model;
Fig. 2 a is the explosive view of nail-head component of the present utility model;
Fig. 2 b is the front view of the percussion block of nail-head component of the present utility model;
Fig. 3 is the structural representation of the longitudinal section before nail-head component of the present utility model percussion;
Fig. 4 is the structural representation in the A-A cross section before the nail-head component percussion in Fig. 3;
Fig. 5 is the structural representation in the B-B cross section before the nail-head component percussion in Fig. 3;
The structural representation in A-A cross section when Fig. 6 is the nail-head component percussion in Fig. 3;
The structural representation in B-B cross section when Fig. 7 is the nail-head component percussion in Fig. 3;
Fig. 8 a is the structural representation of the B-B cross section after the nail-head component percussion in Fig. 3 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 of the B-B cross section after the cutting knife of nail-head component in Fig. 3 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.Laterally refer to vertical described longitudinal direction.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, nail bin, 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, and described percussion block is provided with a unlocking feature; Described cutting knife at least longitudinally can move along it relative to described nail bin frame between the first location and the second location, the near-end of described cutting knife is provided with push broach bar, 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; Described insurance institution comprises: safety block, and described safety block is arranged in described nail bin frame, and can relative to described nail bin frame laterally moving between the 3rd position and the 4th position along described nail bin frame; Elastomeric element, is arranged between described nail bin frame and described safety block, drives described safety block to be moved to described 4th position by described 3rd position; Before described percussion block is mobile by described cutting knife percussion, safety block described in described unlocking feature transverse shear stress makes it be in described 3rd position, and described elastomeric element is in compressive state, and described cutting knife can move to the described second position by described primary importance; After described percussion block is mobile by described cutting knife percussion, described safety block moves to described 4th position under the effect of described elastomeric element, and described safety block stops that described cutting knife 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 structural representation of each section of the front nail-head component of the axonometric chart of nail-head component of the present utility model, explosive view and percussion.Wherein, the nail anvil 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, all eliminates the nail anvil of nail-head component in accompanying drawing.In preferred embodiment of the present utility model, nail-head component comprises: nail bin frame 1, nail anvil (not shown), nail bin 2, percussion block 3, push broach bar 4, cutting knife 5, connection tube 7 and insurance institution.Wherein, described nail anvil is connected to the top of nail bin frame 1, preferably, the near-end of nail anvil and the near-end 11 of nail bin frame 1 pivotally connected.
As shown in Fig. 2 a and Fig. 5, nail bin frame 1 is provided with the first stopper slot (tool slot) 13 and the second stopper slot 14.First stopper slot 13 is arranged along nail bin frame 1 near-end 11 to far-end 12.Second stopper slot 14 is arranged at the sidepiece of the first stopper slot 13, and communicates with the first stopper slot 13.In the preferred embodiment shown in Fig. 2 a, the both sides of the first stopper slot 13 are equipped with relative first stopper slot 13 of one second stopper slot, 14, two the second stopper slots 14 and are symmetrical arranged.
Nail bin 2 is arranged between nail bin frame 1 and described nail anvil, and removably connects nail bin frame 1.More specifically, be provided with in nail bin 2 hold pushing slice of nail and anastomosis staple put nail, be generally 4 rows or 6 rows put nail, described nail anvil is provided with and puts nail forming tank corresponding to nail, to sew up in nail bin.
The far-end 71 of connection tube 7 connects the near-end 11 of nail bin frame 1.As shown in Figure 2 a, preferably, connection tube 7 is spliced by upper connector 72 and lower connector 73.
Push broach bar 4 is arranged in connection tube 7 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.Promote in the process of cutting knife 5 distally movement at described push broach bar 4, blade can cut off the tissue between nail anvil 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 close towards nail bin 2.
As shown in Figure 3 and Figure 5, cutting knife 5 moves along the first stopper slot 13, cutting knife 5 at least longitudinally can move along it relative to nail bin frame 1 between the first location and the second location, primary importance and the second position are along two positions in nail bin frame 1 longitudinal direction, and primary importance is relative to the near-end 11 of the second position closer to nail bin frame 1.Cutting knife 5 position in Fig. 5 is primary importance, and be installed on after on nail bin frame 1 by nail bin 2, cutting knife 5 is positioned at the initial position of nail bin frame 1 near-end; Namely cutting knife 5 position in Fig. 7 is the second position, and also cutting knife 5 moves to the far-end of nail bin frame 1 and the position can not continued again when distally moving under the effect of push broach bar 4.
Percussion block 3 is arranged in nail bin 2 movably.Percussion block 3 is provided with a unlocking feature, and described unlocking feature is positioned at the first stopper slot 13.As shown in Figure 2 b, described unlocking feature is a projection 32 being convexly equipped in the bottom of percussion block 3 near-end 31.The concrete effect of projection 32 can refer to hereafter.
Insurance institution is arranged in the second stopper slot 14, and described insurance institution comprises safety block 61 and elastomeric element.
Safety block 61 is arranged in nail bin frame 1, and can move between the 3rd position and the 4th position relative to nail bin frame 1, when safety block 61 is in described 3rd position, cutting knife 5 can move to the described second position by described primary importance, when safety block 61 is in described 4th position, safety block 61 stops that cutting knife 5 moves to the described second position by described primary importance.
More specifically, the upper surface of safety block 61 is provided with the 3rd guide portion, and in the present embodiment, the 3rd guide portion is the 3rd inclined-plane 612 arranged in the upper surface surface thereof of safety block 61, and tilts from its upper surface first stopper slot 13 direction convex type.It can match with the projection 32 on percussion block 3, is convenient to the insertion of pulling the trigger block 3 when nail bin 2 is installed.Safety block 61 is mobile in the second stopper slot 14, relatively described 3rd position, described 4th position is closer to the first stopper slot 13, in Fig. 4 and Fig. 5, safety block 61 position is the 3rd position, also be installed on by nail bin 2 in the process of nail bin frame 1, be positioned at projection 32 on the percussion block 3 of nail bin 2 near-end along the 3rd inclined-plane 612 transverse shear stress safety block 61, safety block 61 and then extruding elastomeric element generation elastic deformation, finally make safety block 61 avoid the mobile alignment of cutting knife 5 when primary importance moves to the second position, now safety block 61 position is the 3rd position, in Fig. 7, safety block 61 position is the 4th position, particularly, promotion push broach bar 4 drive cutting knife 5 from primary importance to the process of second position movement in, 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 remove squeezing action to safety block 61 gradually, after percussion block 3 and cutting knife 5 continue distally to move to and no longer produce with safety block 61 and interact, safety block 61 is no longer subject to any restriction, move along the second stopper slot 14 under the effect of elastomeric element, and partial insurance block 61 enters the first stopper slot 13, safety block 61 is barred from cutting knife 5 mobile alignment between the first location and the second location.As shown in Figure 4 and Figure 5, preferably, described nail-head component comprises Liang Ge insurance institution, is arranged at respectively in two the second stopper slots 14 of the both sides of the first stopper slot 13.
Elastomeric element is arranged in nail bin frame 1, drives safety block 61 to be moved to the 4th position by the 3rd position.As shown in Figure 5, the relative safety block 61 of described elastomeric element is further from the first stopper slot 13, and its one end connects the second stopper slot 14, and the other end connects safety block 61.Elastomeric element is preferably a bullet block 62.Bullet block 62 is arranged in the second stopper slot 14, and one end of bullet block 62 connects nail bin frame 1 inwall, and the other end connects safety block 61.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 spring being arranged between the second stopper slot 14 and safety block 61.Do not repeat them here.
In the preferred embodiment of Fig. 2 a, insurance institution also comprises insurance fixed cap 63, and safety block 61 and elastomeric element (the i.e. bullet block 62) fixed cap 63 that is insured covers, between insurance fixed cap 63 and the second stopper slot 14 of nail bin frame 1.Insurance fixed cap 63 can be provided with hole, be fixed in the second stopper slot 14 through described hole for screw.
Further, refer to Fig. 4 and Fig. 5, when nail bin 2 to be installed on after on nail bin frame 1 and before nail-head component percussion, cutting knife 5 is positioned at primary importance, unlocking feature (i.e. projection 32) the transverse shear stress safety block 61 being positioned at the percussion block 3 of nail bin 2 near-end is located at described 3rd position, safety block 61 is subject to the backstop of projection 32 and then makes elastomeric element (i.e. bullet block 62) be in compressive state, now, promoting push broach bar 4 can drive cutting knife 5 and percussion block 3 distally to move, to cut tissue and to sew up.
Further, please also refer to Fig. 6 to Fig. 9.
The structural representation in the cross section of A-A and B-B when Fig. 6 and Fig. 7 nail-head component respectively illustrated in Fig. 3 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 first stopper slot 13 to the far-end 12 of nail bin frame 1 and departs from safety block 61.In the process, cutting knife 5 moves to the second position by primary importance, safety block 61 due to percussion block 3 on unlocking feature (i.e. projection 32) remove and lose transverse shear stress, and then under the elastic force effect of elastomeric element (bullet block 62), move to the 4th position (safety block 61 of such as both sides closes, and gap is less than the transverse gage of cutting knife 5).The position at cutting knife 5 place shown in Fig. 7 is the second position.Meanwhile, the position of the safety block 61 shown in Fig. 6 and Fig. 7 is the 4th position.As shown in Figure 7, when safety block 61 is positioned at the 4th position, partial insurance block 61 stretches into the first stopper slot 13, between the primary importance and the second position of cutting knife 5.
Further, due in preferred embodiment of the present utility model, described nail-head component includes the Liang Ge insurance institution being arranged at the first stopper slot 13 both sides.Therefore, in this embodiment, safety block 61 is positioned at the 4th position and refers to that two safety blocks 61 are all positioned at the 4th position, and namely the part-structure of two safety blocks 61 stretches into the first stopper slot 13 and between described primary importance and the second position.As shown in Figure 6, when two safety blocks 61 are all positioned at the 4th position, the spacing between two safety blocks 61 is less than the transverse gage of cutting knife 5.
Preferably, the transverse gage of cutting knife 5 is less than or equal to the transverse gage of the projection 32 of percussion block 3, more be conducive to after the projection 32 of percussion block 3 is removed, cutting knife 5 can move to the second position by primary importance before safety block 61 moves to the 4th position by the 3rd position.
Further, after completing the cutting to tissue, sewing up, cutting knife 5 need carry out resetting the primary importance before returning percussion, and percussion block 3 rests on the far-end of nail bin.Fig. 8 a and Fig. 8 b shows the structural representation in the B-B 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, safety block 61 has one first guide portion, and the first guide portion is used for when cutting knife 5 moves to primary importance by the second position, guides safety block 61 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 611, first inclined-plane 611 is positioned at the far-end of safety block 61, first inclined-plane 611 tilts towards the first stopper slot 13 direction convex type from far-end, the cross section of such as safety block 61 is trapezoidal, with the far-end of safety block 61 for starting point extends to the side of safety block 61 near the first stopper slot 13.When cutting knife 5 moves to the remote location of safety block 61 by the second position to primary importance direction, cutting knife 5 promotes the first inclined-plane 611, the component along the second stopper slot 14 direction that first inclined-plane 611 produces makes safety block 61 move to the 3rd locality, and elastomeric element (i.e. bullet block 62) is in compressive state again.When safety block 61 is positioned at the both sides of cutting knife 5 completely, safety block 61 is in the 5th position.Be understandable that, the transverse gage of cutting knife 5 is less than or equal to the transverse gage of the projection 32 of percussion block 3, and therefore, the 5th position is between the 3rd position and the 4th position.When the transverse gage of cutting knife 5 is identical with the transverse gage of the projection 32 of percussion block 3, the 5th position and the 3rd position are same position.
Further, preferably, the near-end 51 of cutting knife 5 can also have the second guide portion, and described second guide portion coordinates the first guide portion, guides safety block 61 to be moved to the 3rd locality by the 4th position.Described second guide portion can be the second inclined-plane adapted with the first inclined-plane 611.Described second inclined-plane is correspondingly arranged at the both sides of the near-end 51 of cutting knife 5.The near-end 51 transverse shear stress safety block 61 that the setting on the second inclined-plane is more conducive to cutting knife 5 moves to the 3rd position.
Fig. 9 shows the structural representation in the B-B cross section after cutting knife reset.As shown in Figure 9, be back in the process of primary importance at cutting knife 5, after cutting knife 5 moves to and no longer produces the position of interaction force with safety block 61, the transverse shear stress of cutting knife 5 is lost between two pieces of safety blocks 61, under the elastic force effect of elastomeric element (bullet block 62), again move to the 4th position, be barred between described primary importance and the second position.Because the spacing between two safety blocks 61 is less than the transverse gage of cutting knife 5; and the near-end of safety block 61 does not have guide portion; therefore; if carry out secondary percussion; safety block 61 can stop that cutting knife 5 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.And when the nail bin more renewed, the projection 32 of the percussion block of new nail bin can be clamp-oned between two pieces of safety blocks 61 by the guiding on the 3rd inclined-plane 612 above the spacing between two pieces of safety blocks 61, force safety block 61 again to return to the 3rd position simultaneously, be namely back to state as shown in Figure 5.Therefore, if the nail bin more do not renewed 2, safety block 61 cannot be entered the second stopper slot 14 by transverse shear stress, then cutting knife 5 block 61 that is insured stops, again cannot move to the second position, thus play the effect preventing nail-head component from carrying out secondary percussion when not changing nail bin.
The anti-secondary fire design of the present embodiment mainly utilizes elastomeric element (the bullet block 62) active force to safety block 61 being arranged at the first stopper slot 13 both sides respectively, lose unlocking feature (projection 32) transverse shear stress of percussion block 3 at safety block 61 after, the safety block 61 of both sides is close to each other, thus the percussion again after stoping cutting knife 5 to be pulled.
It will be appreciated by those skilled in the art that in change case of the present utility model, nail-head component also can play by a described insurance institution effect preventing secondary from pulling the trigger.In this change case, the side of the first stopper slot 13 arranges second stopper slot 14, insurance institution is arranged in the second stopper slot 14, when safety block 61 is positioned at the 4th position, safety block 61 stretches out in the second stopper slot 14 to the inwall direction of the first corresponding side of stopper slot 13, and the part that safety block 61 stretches out is positioned at cutting knife 5 moves on the mobile alignment of the second position from primary importance, thus the movement distally of restriction cutting knife 5, now, a described insurance institution can play the effect preventing secondary from pulling the trigger equally, does not repeat them here.
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 7 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 (14)
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, be arranged in described nail bin movably, described percussion block is provided with a unlocking feature;
Cutting knife, described cutting knife at least longitudinally can move along it relative to described nail bin frame between the first location and the second location, and 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, under the promotion of described push broach bar, described cutting knife promotes described percussion block and moves;
Insurance institution, described insurance institution comprises:
Safety block, described safety block is arranged in described nail bin frame, and can relative to described nail bin frame laterally moving between the 3rd position and the 4th position along described nail bin frame;
Elastomeric element, is arranged between described nail bin frame and described safety block, drives described safety block to be moved to described 4th position by described 3rd position;
Before described percussion block is mobile by described cutting knife percussion, safety block described in described unlocking feature transverse shear stress is in described 3rd position, and described elastomeric element is in compressive state, and described cutting knife can move to the described second position by described primary importance;
After described percussion block is mobile by described cutting knife percussion, described safety block moves to described 4th position under the effect of described elastomeric element, and described safety block stops that described cutting knife moves to the described second position by described primary importance.
2. nail-head component according to claim 1, is characterized in that, described nail bin frame has first stopper slot longitudinally arranged along it, and described cutting knife and described percussion block can move along described first stopper slot.
3. nail-head component according to claim 2, it is characterized in that, described nail bin frame also has one along the second stopper slot of its horizontally set, described second stopper slot communicates with described first stopper slot, described insurance institution is arranged in described second stopper slot, described safety block moves in described second stopper slot, and relatively described 4th position, described 3rd position is further from described first 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 safety block stretches into described first stopper slot under the effect of described elastomeric element, arrive described 4th position, between the primary importance and the second position of described cutting knife, and described cutting knife is positioned at the distal side of described safety block;
Be drawn back into the near-end of described nail bin at described cutting knife after, described safety block remains on described 4th position under the effect of described elastomeric element, and described cutting knife is positioned at the proximal lateral of described safety block.
5. the nail-head component according to any one of claim 2 to 4, it is characterized in that, described elastomeric element is a bullet block, and the relatively described safety block of described bullet block is further from described first stopper slot, its one end connects described nail bin frame inwall, and the other end connects described safety block.
6. nail-head component according to any one of claim 1 to 4, is characterized in that, described unlocking feature is a projection being convexly equipped in the bottom of described percussion block near-end.
7. the nail-head component according to any one of claim 2 to 4, it is characterized in that, the both sides of described first stopper slot are respectively provided with one second stopper slot, described nail-head component comprises Liang Ge insurance institution, be arranged in two described second stopper slots respectively, when two described safety blocks are all positioned at the 4th position, the spacing between two described safety blocks is less than the transverse gage of described cutting knife.
8. the nail-head component according to any one of claim 2 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 safety block is positioned at the 3rd position, the primary importance of described cutting knife is than the near-end of described percussion block closer to described nail bin frame.
9. nail-head component according to claim 8, it is characterized in that, described safety block has one first guide portion, when described cutting knife moves to described primary importance by the described second position, guides described safety block 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 safety block, and tilts towards the first stopper slot direction convex type from far-end.
11. nail-head components according to claim 8, is characterized in that, described safety block has one the 3rd guide portion, when described nail bin is installed, guide described safety block to be moved to the 3rd locality by described 4th position.
12. nail-head components according to claim 11, is characterized in that, described 3rd guide portion is one the 3rd inclined-plane, and described 3rd inclined-plane is arranged on the upper surface of described safety block, and tilt towards the first stopper slot direction convex type from upper surface.
13. nail-head components according to any one of claim 1 to 4, is characterized in that, described insurance institution also comprises insurance fixed cap, and described safety block and described elastomeric element are capped between described insurance fixed cap and described nail bin frame.
14. 1 kinds of chamber mirror surgical operation seaming and cutting devices, is characterized in that, comprise the nail-head component according to any one of the claims 1 to 13.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858544.7U CN204364049U (en) | 2014-12-30 | 2014-12-30 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
| EP15875261.8A EP3241502B1 (en) | 2014-12-30 | 2015-12-30 | Stapling head assembly and suturing and cutting apparatus for endoscopic surgery |
| BR112017014068A BR112017014068A2 (en) | 2014-12-30 | 2015-12-30 | endoscopic surgery stitching and cutting head set |
| US15/541,064 US20170354413A1 (en) | 2014-12-30 | 2015-12-30 | Stapling head assembly and suturing and cutting apparatus for endoscopic surgery |
| PCT/CN2015/099936 WO2016107585A1 (en) | 2014-12-30 | 2015-12-30 | Nail head assembly and suturing and cutting apparatus for endoscopic surgery |
| ES15875261T ES2949098T3 (en) | 2014-12-30 | 2015-12-30 | Stapler Head Assembly and Suturing and Cutting Apparatus for Endoscopic Surgery |
| JP2017600084U JP3213928U (en) | 2014-12-30 | 2015-12-30 | Stapling head assembly and endoscopic surgical suture cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420858544.7U CN204364049U (en) | 2014-12-30 | 2014-12-30 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204364049U true CN204364049U (en) | 2015-06-03 |
Family
ID=53320309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420858544.7U Withdrawn - After Issue CN204364049U (en) | 2014-12-30 | 2014-12-30 | A kind of nail-head component and chamber mirror surgical operation seaming and cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204364049U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016107585A1 (en) * | 2014-12-30 | 2016-07-07 | 苏州天臣国际医疗科技有限公司 | Nail head assembly and suturing and cutting apparatus for endoscopic surgery |
| CN105796145A (en) * | 2014-12-30 | 2016-07-27 | 苏州天臣国际医疗科技有限公司 | Nail head assembly and suturing and cutting device for endoscopic surgical operation |
| CN109953786A (en) * | 2017-12-14 | 2019-07-02 | 苏州天臣国际医疗科技有限公司 | Nail bin groupware and the Medical stapler for using the nail bin groupware |
| CN110547854A (en) * | 2018-05-31 | 2019-12-10 | 江苏风和医疗器材股份有限公司 | knife rest and cutting anastomat thereof |
| CN111801055A (en) * | 2018-03-02 | 2020-10-20 | 柯惠有限合伙公司 | Surgical stapling instrument |
| CN112153945A (en) * | 2018-03-28 | 2020-12-29 | 爱惜康有限责任公司 | Staple cartridge including lockout key configured to lift a firing member |
| CN113440195A (en) * | 2021-08-04 | 2021-09-28 | 苏州法兰克曼医疗器械有限公司 | Anastomat secondary firing prevention mechanism with stable structure and anastomat |
| US11337695B2 (en) | 2017-12-14 | 2022-05-24 | Touchstone International Medical Science Co., Ltd. | Staple cartridge assembly and medical stapler using the staple cartridge assembly |
| CN115153702A (en) * | 2022-06-30 | 2022-10-11 | 天津瑞奇外科器械股份有限公司 | Loading unit and surgical instrument |
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2014
- 2014-12-30 CN CN201420858544.7U patent/CN204364049U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016107585A1 (en) * | 2014-12-30 | 2016-07-07 | 苏州天臣国际医疗科技有限公司 | Nail head assembly and suturing and cutting apparatus for endoscopic surgery |
| CN105796145A (en) * | 2014-12-30 | 2016-07-27 | 苏州天臣国际医疗科技有限公司 | Nail head assembly and suturing and cutting device for endoscopic surgical operation |
| CN105796145B (en) * | 2014-12-30 | 2018-10-30 | 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 |
| CN109953786A (en) * | 2017-12-14 | 2019-07-02 | 苏州天臣国际医疗科技有限公司 | Nail bin groupware and the Medical stapler for using the nail bin groupware |
| US11337695B2 (en) | 2017-12-14 | 2022-05-24 | Touchstone International Medical Science Co., Ltd. | Staple cartridge assembly and medical stapler using the staple cartridge assembly |
| CN111801055A (en) * | 2018-03-02 | 2020-10-20 | 柯惠有限合伙公司 | Surgical stapling instrument |
| CN112153945A (en) * | 2018-03-28 | 2020-12-29 | 爱惜康有限责任公司 | Staple cartridge including lockout key configured to lift a firing member |
| CN110547854A (en) * | 2018-05-31 | 2019-12-10 | 江苏风和医疗器材股份有限公司 | knife rest and cutting anastomat thereof |
| CN110547854B (en) * | 2018-05-31 | 2022-02-18 | 江苏风和医疗器材股份有限公司 | Knife rest and cutting anastomat thereof |
| CN113440195A (en) * | 2021-08-04 | 2021-09-28 | 苏州法兰克曼医疗器械有限公司 | Anastomat secondary firing prevention mechanism with stable structure and anastomat |
| CN115153702A (en) * | 2022-06-30 | 2022-10-11 | 天津瑞奇外科器械股份有限公司 | Loading unit and surgical instrument |
| CN115153702B (en) * | 2022-06-30 | 2023-03-21 | 天津瑞奇外科器械股份有限公司 | Loading unit and surgical instrument |
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