CN206381205U - Tissue closing device and medicine equipment - Google Patents

Abstract

The utility model provides a kind of tissue closing device and medicine equipment, and it forms accommodating chamber after including the first holder, the second holder that can be with respect to opened/closed, first holder and second holder closure；First holder and second holder include pod, the passage for being fixed on the grip block in the pod, extending between the pod and the grip block and from proximate；Have on the grip block and some openings of the passage and the accommodating chamber are arranged at intervals and connected from proximate, in each opening and can be in the opening along perpendicular to projection of the direction of the grip block closer or far from the pod, the projection is provided with the needle tray connected from proximate through the projection and with the accommodating chamber；Projection on first holder and second holder is shifted to install from proximate, and tissue closing device also includes pushing block and elastic backing mechanism.The tissue closing device can form the boundling pocket of center gathering.

Description

Tissue closing device and medicine equipment

Technical field

The utility model is related to technical field of medical instruments, more particularly to a kind of tissue closing device and is closed with the tissue Attach together the medicine equipment put.

Background technology

In existing gastral anastomosis operation, typically first using linear pattern or arc line type stapler to human body tubulose group The detachment for knitting progress multi-angle is coincide, and reuses circular-pipe anastomat and the tissue after detachment dock and coincide.

However, after being coincide using linear pattern or arc line type stapler to human body tubular tissue progress detachment, due to kiss It is wire to heal up, especially when low rectal position is done, due to being limited by human body basin bottom operating space and its The limitation of linear pattern apparatus pivot angle, it may appear that intersect nail phenomenon, so, " cat can be present by reusing when circular-pipe anastomat coincide Ear ", the not only risk of fistula, and operation cost is higher.

Utility model content

The purpose of this utility model is to provide a kind of tissue closing device and the Medical treatment device with the tissue closing device Tool.

To realize above-mentioned utility model purpose, the utility model provides a kind of tissue closing device, it is characterised in that：Institute Stating tissue closing device includes：

Shape after the first holder, the second holder that can be with respect to opened/closed, first holder and second holder closure Into accommodating chamber；First holder and second holder include pod, the grip block being fixed in the pod, positioned at institute The passage stated between pod and the grip block and extended from proximate；Have on the grip block between proximate Every setting and connect some openings of the passage and the accommodating chamber, in each opening and can be in the opening Interior edge is provided with from proximate perpendicular to projection of the direction of the grip block closer or far from the pod, the projection The needle tray connected through the projection and with the accommodating chamber；On grip block on first holder and second holder Projection is shifted to install from proximate；

Drivingly can gradually it be driven on the grip block from proximate movement in each passage The pushing block that some projections are moved towards the direction away from the pod, the pushing block to distal end it is mobile after, positioned at the pushing block The projection of near-end departs from the pushing block；

Elastic backing mechanism, along perpendicular to the grip block direction, the two ends of the elastic backing mechanism are ordinatedly distinguished It is arranged at the projection, on the grip block；The pushing block driving elastic backing mechanism court deviates from the direction of the pod When mobile, elastic deformation occurs for the elastic backing mechanism, when the projection departs from the pushing block, and the elastic backing mechanism is made The projection is set to be located in the passage for the projection；

The pocket component that drivingly can be moved from proximate, including nail pushing device, it is movably connected on the ejector pin The connecting portion of a pair of syringe needles on device, the near-end of syringe needle described in a pair of connection；The nail pushing device from proximate move when, one To being moved in the needle tray of the projection of syringe needle respectively on first holder, the grip block of second holder and being pierced into tubulose group Knit, close tubular tissue is closed into one while gradually pushing tubular tissue to distal end and collapsing to the distal end of syringe needle described in a pair Pocket.

As further improvement of the utility model, the projection includes relative and spaced first wall and second Wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection wall are enclosed and set to form court The needle tray opened to the side away from the connection wall, first wall is provided with from proximate away from the side of the pod The wire casing of extension, the elastic backing mechanism is elastica, and the near-end of the grip block is fixed in one end of the elastica, separately One end in the passage from proximate in extending and be fixed on the clamping after sequentially passing through the wire casing of each projection The distal end of plate.

As further improvement of the utility model, the projection includes relative and spaced first wall and second Wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection wall are enclosed and set to form court The needle tray opened to the side away from the connection wall, first wall is provided with from proximate away from the side of the pod The wire casing of extension, the elastic backing mechanism includes some elastic lines coordinated respectively with each projection, each described The two ends of elastic line are individually fixed in the near-end positioned at the projection, on the grip block of distal end, in the elastic line Between partly be located at the wire casing in.

As further improvement of the utility model, one in the opening and the projection is determined provided with least one Xiang Zhu, another is provided with the guide slot matched with the orientation post；The orientation post is engaged to draw with the guide slot Lead the projection close to or away from the pod movement.

As further improvement of the utility model, the projection includes relative and spaced first wall and second Wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection wall are enclosed and set to form court The needle tray opened to the side away from the connection wall, first wall is away from the outside wall surface of the needle tray and second wall back of the body At least one guide slot is equipped with outside wall surface from the needle tray, the opening has the orientation being engaged with the guide slot Post；The orientation post is engaged to guide the projection close or move away from the pod with the guide slot.

As further improvement of the utility model, the projection includes relative and spaced first wall and second Wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection wall are enclosed and set to form court The needle tray opened to the side away from the connection wall, the connection wall is lateral from the one of the connection wall provided with least one The banking stop protruded out outside, when the projection is moved away from the pod, the banking stop rides over the edge of the opening and plays limit The fixed effect that it is continued to move to.

As further improvement of the utility model, each projection has towards the side of the pod is located at near-end Inclined plane, the plane positioned at the inclined plane distal end；The pushing block has oblique positioned at distal end and with inclined plane cooperation Face, positioned at the planar portions of the inclined plane part near-end.

As further improvement of the utility model, the planar portions are more than described along the width on proximate direction Projection is along the width on proximate direction.

As further improvement of the utility model, syringe needle described in a pair and the connecting portion constitute U-shaped thimble, and described the The distal end of the grip block of one holder is provided with the first binding block that second holder is protruded out, and first binding block is provided with The first nail forming tank corresponding with the needle tray of the projection on the grip block；The distal end of the grip block of second holder is provided with court The second binding block protruded out to the first holder, second binding block is provided with corresponding with the needle tray of the projection on the grip block Second nail forming tank.

As further improvement of the utility model, the connecting portion is purse wire, first holder and/or described the The distal end of two holders, which has on the closure connector coordinated with syringe needle described in a pair, the closure connector to have, to be used to house one To the accepting hole of the needle distal end.

Have as further improvement of the utility model, in the pod of first holder and set along its width interval Have in two grip blocks put, the pod of second holder along spaced two clampings of its width Plate；The tissue closing device also include can by passage drivingly between each grip block and the pod from Proximate movement is to drive the pushing block that the projection on grip block is moved towards the direction away from the pod.

Have as further improvement of the utility model, in the pod of first holder and set along its width interval Have in two grip blocks put, the pod of second holder along spaced two clampings of its width Plate；The tissue closing device also includes can be by drivingly in each pod and two institutes in the pod State in passage between grip block from proximate movement with while driving the projection on two grip blocks towards the back of the body The pushing block moved from the direction of the pod.

To realize above-mentioned utility model purpose, the utility model also provides a kind of medicine equipment, including instrument body, removable It is connected to the tissue closing device of the instrument body distal end with unloading, is connected in the instrument body and is closed with firing the tissue Attach together the percussion lock put.

The beneficial effects of the utility model are：Tissue closing device of the present utility model is by provided with can be toward and away from The projection of pod movement, so that when not firing, some projections difference part on first holder, second holder It is hidden in first holder, in the passage on second holder；In percussion, from the adjacent several projections of proximate Drivingly deviated from pod movement by pushing block to extrude the human body tubular tissue waviness in accommodating chamber so that thimble energy discontinuity Human body tubular tissue is penetrated, the pocket of formation can penetrate the mucous layer of human body tubular tissue, form the boundling pocket that center is drawn in； And formed after pocket, the projection of near-end is hidden in the passage again in the presence of elastic backing mechanism, is easy to follow-up behaviour Make.

Brief description of the drawings

Fig. 1 is the structural representation of tissue closing device of the present utility model.

Fig. 2 be the tissue closing device shown in Fig. 1 the first holder and second holder coordinate after structural representation.

Fig. 3 is schematic diagram of the tissue closing device in the first holder and the second holder open mode shown in Fig. 1.

Fig. 4 is schematic diagram of the tissue closing device in cock shown in Fig. 3.

Fig. 5 is the perspective view in the A-A directions of the tissue closing device shown in Fig. 3.

Fig. 6 is the perspective view in the B-B directions of the tissue closing device shown in Fig. 4.

Fig. 7 is tissue closing device shown in Fig. 2 in the structural representation of another angle.

Fig. 8 is the sectional view in C-C directions of the first holder shown in Fig. 7.

Fig. 9 is the structural representation that cutter mechanism, pocket component and pushing block shown in Fig. 1 coordinate.

Figure 10 is cutter mechanism, the exploded view of pocket component shown in Fig. 9.

Figure 11 is cutter mechanism shown in Fig. 9, pocket component in the exploded view of another angle.

Figure 12 is the tissue closing device shown in Fig. 1 and the structural representation after the cooperation of transfer connector.

Embodiment

The utility model is described in detail below with reference to embodiment shown in the drawings.But these embodiment party Formula is not intended to limit the utility model, structure that one of ordinary skill in the art is made according to these embodiments, method or Conversion functionally is all contained in protection domain of the present utility model.

Clearly to express position and direction described in the utility model, using exercises on apparatus author as reference, close to behaviour One end of author is near-end, and one end away from operator is distal end.

As shown in figure 12, it is medicine equipment of the present utility model, including instrument body（It is not shown）, be removably attachable to The tissue closing device 100 of the instrument body distal end, it is connected in the instrument body to fire the tissue closing device 100 percussion lock（It is not shown）, wherein, the tissue closing device 100 also includes the transfer to be connected with instrument body Connector 300.It will be appreciated by persons skilled in the art that the instrument body, the concrete structure of the percussion lock are not limited, As long as the tissue closing device 100 can be fired ordinatedly；Such as described instrument body can be continued to use but be not limited to straight line The instrument body mechanism of type or arc line shaped stapler.

As shown in Fig. 1 ~ Figure 12, it is the tissue closing device 100 of the utility model better embodiment, is mainly used in human body Tubular tissue cuts off the anastomosis of lesion portion, and such as alimentary tract anastomosis is performed the operation.

Typical human body tubular tissue includes but is not limited to：Blood vessel, including artery and vein；Alimentary canal, including esophagus, Stomach, small intestine, colon, rectum；Bile duct and pancreas；The urinary tract, including ureter, bladder and urethra；And fallopian tubal etc..It can manage Solution, the tissue closing device 100 can be used in coincide same human body tubular tissue or human body tubular tissue not of the same race. For example, when lesion occurs for the center section of colon, the tissue closing device 100, which is used to coincide, connects two parts of colon, and The tubular track re-created is that colon is interior in itself；And lesion portion is sigmoid colon, it is directly to rectum, described Tissue closing device 100 is used for coincide connection colon and rectum, and the tubular track re-created is located between rectum and colon.

The tissue closing device 100 includes the first holder 11, the second holder 12 that can be with respect to opened/closed, when described When the first holder 11 and second holder 12 closure, formed to press from both sides between first holder 11 and second holder 12 Hold the accommodating chamber 13 of human body tubular tissue.

First holder 11 and second holder 12 relative can be opened, and enter described hold for part human body tubular tissue Receive in chamber 13；First holder 11 and second holder 12 are closed afterwards, the part human body tubular tissue is i.e. by first The holder 12 of holder 11 and second is held in the accommodating chamber 13, to facilitate subsequent operation.It will be appreciated by those skilled in the art that , so-called subsequent operation includes but is not limited to：The boundling pocket for drawing the part human body tubular tissue formation center in；Cut Cut human body tubular tissue etc..

In the present embodiment, the near-end of the near-end of first holder 11 and second holder 12 is pivotally connected, and described The accommodating chamber 13 is opened or closed in the distal end of first holder 11, the distal end of the second holder 12 in split type；First folder When the distal end of seat 11, the distal end of second holder 12 are separated, first holder 11 and second holder 12 are in approximate V-type Opening.

Specifically, first holder 11 and second holder 12 include the pod 14 of channel-shaped, are fixed on the folder At least one grip block 15 in shell 14, at least one described shape of grip block 15 by the pod 14 and in the pod 14 Into from proximate extend passage 16.As described in Figure 8, it is respectively provided with first holder 11 and second holder 12 Two grip blocks 15；And in other embodiments, first holder 11 and second holder 12 can also include one The grip block 15.

The pod 14 and the split of the grip block 15 are set, and are set on one in the pod 14 and the grip block 15 Have some fixed columns, another be provided with and the one-to-one fixing groove of the fixed column.The pod 14 and the grip block After 15 are fixed together, the pod 14 is enclosed with the grip block 15 sets the passage 16 to be formed and extended from proximate direction. Or, as shown in Figure 3 and Figure 4, the pod 14 is provided with pin-and-hole 141, the pod 14 and the grip block 15 by pin come It is fixed.Certainly, the pod 14 can also be set with the grip block 15 in integral type.

The near-end of the pod 14 of first holder 11 is provided with pivot 143, and the pod 14 of second holder 12 is close near Provided with the pivot hole 144 being engaged with the pivot 143 at the position at end；The pivot 143 insert in the pivot hole 144 and When first holder 11 and second holder 12 closure, first holder 11 is equal with the distal end of second holder 12 Together, the near-end of the pod 14 of second holder 12 beyond first holder 11 pod 14 near-end, with facilitate and its He assembles apparatus structure.

Have on the grip block 15 and the passage 16 and the accommodating chamber 13 are arranged at intervals and connected from proximate Some openings 17, positioned at it is each it is described opening 17 in and can it is described opening 17 in closer or far from the convex of the pod 14 Block 18.It will be appreciated by persons skilled in the art that spaced some openings 17 can be spaced some independences Opening 17；Spaced some openings 17 can also be from proximate connection in a big opening.

It is described opening 17 and the projection 18 in one provided with least one orientation post 171, another provided with The guide slot 181 that the orientation post 171 matches.The orientation post 171 is engaged described convex to guide with the guide slot 181 Block 18 close to or moved away from the pod 14, it is understood that for the projection 18 close to or during away from the pod 14, institute State orientation post 171 and Sloped rotating during preventing that the projection 18 from moving is moved in the guide slot 181.In the present embodiment, institute Two guide slots 181 for being provided with and being oppositely arranged on projection 18 are stated, 17 inwalls of the opening are provided with two orientation posts 171.

Some projections 18 on the same grip block 15 are inline, and each projection 18 is provided near Hold the needle tray 182 connected to distal end through the projection 18 and with the accommodating chamber 13, the grip block 15 of first holder 11 Distal end be provided with the first binding block 151 that second holder 12 is protruded out, first binding block 151 is provided with and the folder Hold the first corresponding nail forming tank of the needle tray 182 of projection 18 on plate 15（It is not shown）；The grip block of second holder 12 15 distal end is provided with the second binding block 152 that the first holder 11 is protruded out, and second binding block 152 is provided with and the clamping Second that the needle tray 182 of projection 18 on plate 15 is corresponding follows closely forming tank.

It will be appreciated by persons skilled in the art that the first nail forming tank is located at the described convex of first holder 11 The needle tray 182 of block 18 is from proximate at the projection of first binding block 151；The second nail forming tank is located at described The needle tray 182 of the projection 18 of second holder 12 is from proximate at the projection of second binding block 152.

In addition, when first binding block 151 and second binding block 152 are separated, human body tubular tissue is opened from V-type Mouth can enter in the accommodating chamber 13；By apparatus or manually so that first holder 11 and second holder 12 are closed in opposite directions Close, until first binding block 151, second binding block 152 close the accommodating chamber 13, and first binding block 151st, the second binding block 152 is supported in opposite directions, and playing a part of limitation, both continue to close, while preventing that human body tubular tissue is outside Overflow.

As shown in Fig. 1 ~ 12, in the present embodiment, when first holder 11 and second holder 12 are closed, described the Grip block 15 in one holder 11 is parallel with the grip block 15 in second holder 12, and first holder 11 and described Projection 18 on two holders 12 is shifted to install from proximate.Closed in first holder 11 with second holder 12 When, when not firing, due to the active force of tissue, some projections 18 on first holder 11, second holder 12 The passage 16 that first holder 11, second holder 12 are formed with the grip block 15 is partly hidden in respectively It is interior.Wherein, it is so-called it is parallel refer to almost parallel, not refer in particular to the parallel of proper two planes, for example, can be The anti-jaw that distal jaw is more than near-end jaw is formed from the direction of proximate, to reduce percussion force.

Specifically, the projection 18 includes the relative and spaced wall 184 of first wall 183 and second, connects described the The connection wall 185 of one wall 183 and second wall 184, first wall 183, the second wall 184 and the connection wall 185 are enclosed and set Formed and face away from the needle tray 182 that the side of the connection wall 185 is opened.

The connection wall 185 has inclined plane 1851 away from the near-end of the outside wall surface of the needle tray 182, to facilitate from described The near-end of projection 18 drives the projection 18 to be moved away from the pod 14.Further, the outside wall surface of the connection wall 185 is also With the plane 1852 positioned at the distal end of inclined plane 1851, positioned at the distal end of the plane 1852 and with 1851 pairs of the inclined plane Claim the symmetrical inclined plane 1853 set, so that the projection 18 can proximally and distally exchange installation, and whether exchange installation It can realize and proximally drive the projection 18 to be moved away from the pod 14.Certainly, the inclined plane 1851, the plane 1852 and the symmetrical inclined plane 1853 can also be collectively forming a cambered surface, reach same effect.

The connection wall 185 is provided with the banking stop 1854 that at least one is protruded outward from the side of the connection wall 185, The projection 18 away from the pod 14 move when the banking stop 1854 ride over it is described opening 17 edge play restriction its The effect continued to move to so that the outside wall surface of the connection wall 185 is always positioned in the passage 16.It is described in the present embodiment Connection wall 185 has distal end banking stop 1854a, the near-end banking stop 1854b extended respectively to two ends from distal end, near-end, works as institute When stating projection 18 away from the pod 14 movement, the distal end banking stop 1854a, near-end banking stop 1854b ride over the opening 17 edge plays a part of restriction, and it is continued to move to.

In addition, the pod 14 be provided with to house and the spacing connection wall 185 outside wall surface stopper slot 145, When the projection 18 is moved towards the pod 14, the connection wall 185 of the stopper slot 145 supporting, which is played, limits its continuation Mobile effect so that the wall 184 of the first wall 183 and second is always positioned at the appearance away from one end of the connection wall 185 Receive in chamber 13.When the projection 18 is close to the pod 14, the distal end banking stop 1854a, near-end banking stop 1854b are located at Outside the stopper slot 145.

First wall 183 deviates from the needle tray 182 away from the outside wall surface and second wall 184 of the needle tray 182 Being equipped with outside wall surface at least one guide slot 181, the opening 17 has the orientation post being engaged with the guide slot 181 171；The projection 18 close to or during away from the pod 14, the orientation post 171 is moved in the guide slot 181, to protect Demonstrate,prove the projection 18 to move along perpendicular to the direction of the grip block 15, prevent the run-off the straight in movement of projection 18.

Further, also include can be by drivingly in each passage 16 near for the tissue closing device 100 Hold to distal end movement gradually to drive some projections 18 on the grip block 15 to move towards away from the direction of the pod 14 Dynamic pushing block 19；After the pushing block 19 is moved to distal end, the projection 18 positioned at the near-end of pushing block 19 departs from the pushing block 19, from And projection 18 can be retracted into the passage 16, to facilitate the motion of other structures.

Specifically, the projection 18 has towards the side of the pod 14 is located at the inclined plane 1851 of near-end, positioned at institute State the plane 1852 of the distal end of inclined plane 1851；The inclined-plane that the pushing block 19 has positioned at distal end and coordinated with the inclined plane 1851 Portion 191, the planar portions 192 positioned at the near-end of inclined plane part 191；The pushing block 19 is moved in the passage 16 from proximate When dynamic, the inclined plane part 191 acts on the inclined plane 1851 to drive the projection 18 to be moved to institute away from the pod 14 State plane 1852 to support with the planar portions 192, now the banking stop 1854 is overlapped on the edge of the opening 17.This implementation In example, length of the planar portions 192 along proximate bearing of trend is designed to, positioned at the pushing block of first holder 11 When 19 planar portions 192 and the plane 1852 of one of projection 18 are mutually supported, positioned at the pushing block 19 of second holder 12 Plane 1852 of the planar portions 192 also simultaneously with one of projection 18 is mutually supported, and two projections 18 are adjacent.

Further, the tissue closing device 100 also includes described to drive positioned at the distal end of each passage 16 Pushing block 19 is towards the shell fragment 161 moved away from the direction of the pod 14.Specifically, the shell fragment 161 is located at the grip block 15 On all projections 18 distal end, after the pushing block 19 promotes all projections 18 to be moved away from the holder, institute Stating shell fragment 161 drives the pushing block 19 towards away from the movement of the direction of the pod 14, so as to concede passage 16, is easy to other The operation of apparatus.

Have in the pod 14 of first holder 11 along spaced two grip blocks 15 of its width, institute Stating in the pod 14 of the second holder 12 has along along the embodiment of spaced two grip blocks 15 of its width, institute State the first holder 11 and second holder 12 is respectively provided with along the conduit 111 run through perpendicular to the direction of the grip block 15, and The conduit 111 extends from proximate；Two grip blocks 15 in first holder 11 divide along its width Located at the both sides of conduit 111, two grip blocks 15 in second holder 12 are divided into described along its width The both sides of conduit 111.

The tissue closing device 100 in the embodiment can be formed in the side of the tubular tissue with lesion simultaneously Two pockets；Therefore when cutting human body tubular tissue between two pockets, the end of the tubular tissue with lesion is also by lotus Wrapping is tight to close, and is difficult to disengage, and is easy to subsequently take out external.And a grip block 15 is provided only with first holder 11 Embodiment in, the tissue closing device 100 needs to operate can also form in the side of the tubular tissue with lesion twice Two pockets.

By taking two grip blocks 15 in first holder 11 as an example, two grip blocks 15 in same holder 14 can picture Shown in Fig. 8 be symmetrical arranged can also identical mode be set up in parallel, if under both of these case on two grip blocks 15 Dry projection 18 is set from proximate with position.Certainly, the projection 18 on two grip blocks 15 asynchronous can also be set, Such as shifting to install.

Compared to the embodiment that a grip block 15 is provided only with first holder 11, the pushing block 19 equally has Have positioned at distal end and the inclined plane part 191 with the inclined plane 1851 cooperation, the planar portions 192 positioned at the near-end of inclined plane part 191； Unlike, the width increase of the pushing block 19, can be when the pushing block 19 is moved in the passage 16 from proximate simultaneously The projection 18 acted on two grip blocks 15 is so that the corresponding projection 18 is moved away from the pod 14.

Certainly, the tissue closing device 100 can also include can be by drivingly in each grip block 15 and institute State in the passage 16 between pod 14 from proximate movement to drive the projection 18 on grip block 15 towards away from described The pushing block 19 of the direction movement of pod 14, in use, two pushing blocks 19 are drivingly moved from proximate simultaneously.It is described to push away The concrete structure and its move mode of block 19 are same as the previously described embodiments, are repeated no more in this.

Specifically, the planar portions 192 from the width on proximate direction, are being greater than the projection 18 in near-end From the width on distal direction so that in percussion, it is ensured that while have projection 18 described at least two by jack-up, and with phase To be collectively forming by the projection 18 of jack-up it is corrugated tissue folder close face, it is described in the presence of pushing block 19 to ensure The needle tray passage of insertion can be formed in the tissue that projection 18 is clamped；And when pushing block 19 continues distal movement, positioned at described The projection 18 of the near-end of pushing block 19 due to lose the effect of the pushing block and return, other mechanism distal movements are not hindered.

Specifically so that two grip blocks 15 in the first holder 11 are symmetrical arranged as an example, when pushing block 19 is in the first holder 11 Passage 16 in from proximate move when, the inclined plane part 191 can act on two simultaneously respectively described in two Projection 18 on grip block 15 so that two projections 18 are moved away from the holder.

Further, the tissue closing device 100 also includes elastic backing mechanism 3.Along perpendicular to the grip block 15 Direction, the two ends of the elastic backing mechanism 3 are ordinatedly connected to the projection 18, on the grip block 15；It is described to push away Block 19 drives the elastic backing mechanism 3 towards when being moved away from the direction of the pod 14, and bullet occurs for the elastic backing mechanism 3 Property deformation, when the projection 18 departs from the pushing block 19, the elastic backing mechanism 3, which acts on the projection 18, makes the projection 18 are located in the passage 19." two ends of the elastic backing mechanism 3 are ordinatedly connected to the projection 18, the folder Hold on plate 15 " refer to：When the projection 18 is moved facing away or facing towards the pod 14, the elastic two ends of backing mechanism 3 Distance change so as to which elastic deformation occurs for the elastic backing mechanism 3；, can also and " connection " can be to be fixedly connected For activity abutting.

For example, one end of the elastic backing mechanism 3 is connected to the side that the projection 18 deviates from the pod 14, it is another End is connected on the grip block 15.When the elastic backing mechanism 3 is in first state, the projection 18 is returned in the elasticity It is hidden under the active force for moving back mechanism 3 in the passage 16；The pushing block 19 drives the projection 18 to be moved away from the pod 14 When dynamic, the compressed tissue of projection 18 acts on the elastic backing mechanism 3 simultaneously and is at the second state；The projection 18 Depart from after the pushing block 19, the elastic backing mechanism 3 is changed from the second state to first state and drives the projection 18 simultaneously The projection 18 is moved to towards the pod 14 to be retracted into the passage 16.

Wherein " one end of the elastic backing mechanism 3 is connected to the side that the projection 18 deviates from the pod 14, another End be connected in the pod 14 " in " connection " can be to be fixedly connected, or activity abutting；In addition, " the projection 18 deviate from the side of the pod 14 " and the projection 18 side opposite and almost parallel with the pod 14 is not specific to, and It is to refer to the indirect side towards the pod 14 of the projection 18, including it is towards distal end or the both sides of near-end, as long as energy Realize that the elastic backing mechanism 3 is changed between the first state and a second state.

In the present embodiment, first wall 183 is provided with the line extended from proximate away from the side of the pod 14 Groove 186, the elastic backing mechanism 3 is elastica, and the near-end of the grip block 15 is fixed in one end of the elastica, another Hold described in extend from proximate in the passage 16 and sequentially passing through and be fixed on after the wire casing 186 of each projection 18 The distal end of grip block 15, the elastica is located at each near-end of projection 18, the part of distal end and is respectively positioned in the passage 16 And fit on the grip block 15.

Original state when first holder 11 and second holder 12 opening, the elastica is in the first shape State, the elastica now has less elastic deformation, and the projection 18 is all hidden under the pressure of the elastica In the passage 16；During percussion, the pushing block 19 drives the projection 18 to be moved away from the pod 14 and protrude into institute State in accommodating chamber 13, by the jack-up of projection 18 by bigger pressure larger elastic deformation and cladding are occurred for the elastica On the projection 18, and the near-end of the projection 18, the elastica of distal end are close to the grip block 14 positioned at the passage 16 Interior side, now tissue in accommodating chamber 13 waveform is presented；When pushing block 19 moves distally to depart from the projection 18, this is convex Block 18 is returned in passage 16 under the convergent force effect of elastica, concedes the space in accommodating chamber 13.

Certainly, the elastic backing mechanism 3 can also include some elastic with each cooperation of projection 18 respectively Line, the two ends of each elastic line are individually fixed in the near-end positioned at the projection 18, on the grip block 15 of distal end, institute The center section for stating elastic line is located in the wire casing 186, to reach the effect above.

Further, the tissue closing device 100 also includes described to drive positioned at the distal end of each passage 16 Pushing block 19 is towards two shell fragments 161 moved away from the direction of the pod 14.Specifically, each shell fragment 161 is located at one The distal end of all projections 18 on the grip block 15, when the pushing block 19 promotes all projections 18 away from the folder After seat is mobile, two shell fragments 161 drive the pushing block 19 to be moved towards away from the direction of the pod 14 jointly, so as to Passage 16 is conceded, is easy to the operation of other apparatuses.

The tissue closing device 100 also includes the closure for being used to close first holder 11 and second holder 12 Device 200, the closer 200 includes being located at first close out sheet of first holder 11 away from the side of second holder 12 21a, described first closed away from the second close out sheet 21b of the side of first holder 11, connection positioned at second holder 12 Close piece 21a and the second close out sheet 21b connection sheet 22；First holder 11 and second holder 12 are equipped with and supply institute State the closure conduit 111 that connection sheet 22 is moved from proximate.

Because first holder 11 is shorter than second holder 12, when the second close out sheet 21b is located at described second When the pivot hole 144 on holder 12 is close to the side of near-end, the first close out sheet 21a is located at the court of the first holder 11 Side proximally, now first holder 11 and second holder 12 can be opened.In part, human body tubular tissue enters After in the accommodating chamber 13, the closer 200 is promoted to be moved from proximate by apparatus or manually, first closure Piece 21a, the second close out sheet 21b is respectively acting on the first holder 11, the second holder 12 can close the accommodating chamber 13, will The part human body tubular tissue folder is closed in the accommodating chamber 13.

It is respectively provided with first holder 11 and second holder 12 in the embodiment of a grip block 15, institute State the first close out sheet 21a and the second close out sheet 21b to protrude out towards homonymy from the relative two ends of the connection sheet 22, the closure Device 200 is in " [" type, the closure conduit 111 is located at side of the tissue closing device 100 along its width.

And two spaced grip blocks 15 are respectively provided with first holder 11 and second holder 12 Embodiment in, the conduit 111 be close conduit 111；The first close out sheet 21a and the second close out sheet 21b is certainly The relative two ends of the connection sheet 22 protrude out towards homonymy or protruded out towards both sides, and the closer 200 is in " [" type or " work " word Type.After the closer 200 is assembled with the tissue closing device 100, the connection sheet 22 is located in the conduit 111.

Further, the distal end of the connection sheet 22 has the first push rod 23a for being protruded out towards distal direction and described the Two push rod 23b.After the closer 200 and the assembling of first holder 11 and second holder 12, first push rod 23a, the second push rod 23b protrude into the passage 16 of first holder 11, the passage 16 of second holder 12 respectively；From And when the closer 200 is moved from proximate, the first push rod 23a, the second push rod 23b drive institute respectively The pushing block 19 stated in the pushing block 19 of the first holder 11, second holder 12 is moved from proximate.

Further, in order to be able to cutting human body tubular tissue, the connection while pocket is formed or after formation pocket The distal end of piece 22 is designed to blade, and the connection sheet 22 is cutting edge, and the closer 200 is converted into cutter mechanism, The closure conduit 111 is tool slot.

Further, the tissue closing device 100 also includes the pocket component being movably connected in the connection sheet 22 24, pocket component 24 includes nail pushing device 242, a pair of the syringe needles 2411/2412 being movably connected on the nail pushing device 242, connection The connecting portion 2413 of the near-end of syringe needle 2411/2412 described in a pair；The nail pushing device 242 from proximate move when, a pair Syringe needle 2411/2412 pushes the tubular tissue in the accommodating chamber 13 to distal end to syringe needle described in a pair 2411/2412 Tubular tissue is closed into a pocket by distal end closure.

The cutter mechanism has initial position, blade of the blade positioned at the near-end of syringe needle 2411/2412 described in a pair Firing position positioned at the distal end of syringe needle described in a pair 2411/2412.When the cutter mechanism is located at initial position, the pocket group The near-end of part 24 and the cutter mechanism in the accommodating chamber 13；When the cutter mechanism is located at firing position, the pocket Component 24 and the cutter mechanism are in the distal end of the accommodating chamber 13；The cutter mechanism is moved from initial position to firing position During, the pocket component 24 and the cutter mechanism move distally to the pocket component 24 by tubular tissue simultaneously It is closed into after pocket, the cutter mechanism continues to distal end movement to cut off tissue relative to the pocket.

In the present embodiment, syringe needle 2411/2412 described in a pair constitutes U-shaped thimble 241 with the connecting portion 2413.The top Pin 241 specifically includes the first syringe needle 2411, the second syringe needle 2412 being be arranged in parallel with first syringe needle 2411, is connected described The connecting portion 2413 of one syringe needle 2411 and second syringe needle 2412.It is so-called to be arranged in parallel, it is expressed as first syringe needle 2411 is almost parallel with the bearing of trend of second syringe needle 2412, not flat between proper two straight lines of feature OK.

In the present embodiment, first syringe needle 2411 is with second syringe needle 2412 in the width side of first holder 11 To slightly misplacing, so that first syringe needle 2411 is molded from second syringe needle 2412 in different plane inner bendings, so that Stable pocket is formed, is easy to the use of follow-up circular-pipe anastomat.

Ejector pin bar 2421 that the nail pushing device 242 includes extending along proximate, positioned at the distal end of the ejector pin bar 2421 U-shaped thimble sleeve 2422, the thimble sleeve 2422 has to the hollow bulb 2423 that opens of distal end, to house the nail Tied on the connecting portion 2413 of pin, first syringe needle 2411 and second syringe needle 2412 close to the part of the connecting portion 2413 Structure；The thimble 241 is detachably assembled with the thimble sleeve 2422.

The nail pushing device 242 promote the thimble 241 from proximate move when, it is first syringe needle 2411, described The needle tray 182 of projection 18, the pin of the projection 18 of second holder 12 of second syringe needle 2412 respectively in first holder 11 Moved in groove 182 and be pierced into human body tubular tissue, drawn in while gradually pushing human body tubular tissue to distal end, to first pin The first 2411 distal end closures for deviating from the connecting portion 2413 away from the distal end of the connecting portion 2413, second syringe needle 2412 will The tubular tissue being placed in the accommodating chamber 13 is closed into the boundling pocket that a center is drawn in.In the present embodiment, described Forming tank, the second nail shaping are followed closely in the distal end of one syringe needle 2411, the distal end of second syringe needle 2412 described first respectively Bent in groove, by human body tubular tissue closure in a pocket.

Further, the nail pushing device 242 is detachably connected with the connection sheet 22 by fixture 25.Pushed away when described Follow closely after device 242 and connection sheet mutually fix, the thimble sleeve 2422 is proximally located at being distally-oriented to distally for the connection sheet 22 Side；After the pocket component 24 and the cutter mechanism depart from, the nail pushing device 242 stops to distal end movement, described Cutter mechanism can continue mobile to distal end, to cut tissue.The ejector pin bar 2421, which has, to be located at the pin-and-hole 2424 of near-end, can fill Caved inward the fixed part to be formed towards the side of distal end assigned in the pin 2425 in the pin-and-hole 2424, in the pin-and-hole 2424 2426, the pin-and-hole 2424 is arranged at intervals with the fixed part 2426.

In first holder 11 and second holder 12 include the embodiment of a grip block 15, the tissue Closing device 100 includes the pocket component 24 positioned at the side of conduit 111.Correspondingly, the near-end of the connection sheet 22 With the stator 221 protruded out towards side, positioned at the stator 221 towards the side of distal end and through the connection sheet 22 To house the fixing hole 222 of the fixture 25；It is respectively equipped with the fixture 25, the stator 221 along near-end to remote Extreme direction runs through first the 251, second perforation 2211 of perforation passed through for the ejector pin bar 2421.

After the ejector pin bar 2421 is assembled with the connection sheet 22, the fixture 25 is fixed on the fixed part 2426, The pin 2425 is located in the pin-and-hole 2424, the connection sheet 22 be located in the pin-and-hole 2424 and the fixture 25 it Between.

Further, the ejector pin bar 2421 also has the raised line 2427 protruded out towards first holder 11, described convex Bar 2427 extends from proximate, and the section of the ejector pin bar 2421 is in class convex.The diameter of the fixed part 2426 is small It is less than or equal to the diameter of the raised line 2427 in the diameter of the diameter of the ejector pin bar 2421, and the fixed part 2426.Institute State that the first perforation 251 is identical with the section of the ejector pin bar 2421, including match with the ejector pin bar 2421 macropore 2511, The aperture 2512 matched with the raised line 2427；The ejector pin bar 2421 and the raised line 2427 can be in the described first perforation 251 in second hole with moving, but the shape of second perforation 2211 does not do specific requirement, and its section can be circle.This Art personnel are it is understood that the fixed part 2426 can be contained in the aperture 2512, and the fixture 25 Drivingly it can be moved in the fixing hole 222 towards the first close out sheet 21a or the second close out sheet 21b.

When the pocket component 24 is assembled with the connection sheet 22, the fixture 25 is first inserted into the fixing hole 222 Interior, the near-end of the ejector pin bar 2421 proximally sequentially passes through the first perforation 251, second perforation 2211 from distal end, by the pin In the insertion of nail 2425 pin-and-hole 2424；The fixture 25 is fixed on the fixed part 2426, and the stator 221 is located at institute State between fixture 25 and the pin 2425.Now, the fixed part 2426 is located in the aperture 2512, the fixture 25 mutually support with the raised line 2427, so that the fixture 25 can not be mobile to distal end relative to the ejector pin bar 2421.It is described Cutter mechanism is to during the movement of distal end, and the stator 221 acts on the fixture 25, the fixture 25 and promotes the raised line 2427 so as to drive the pocket component 24 to be moved from proximate, to form pocket；The cutter mechanism is from distally near When end is retracted, the stator 221 acts on the pin 2425, may be such that the pocket component 24 while retracting.

The fixture 25 also has bullet corresponding with the fixing hole 222 and at the second close out sheet 21b Property body 252, the elastomer 252 protrudes out towards the second close out sheet 21b, is located in the fixture 25 in the fixing hole When, the elastomer 252 is held in the fixing hole 222 close to the side of second close out sheet.In addition, the fixture 25 also have groove 253 being oppositely arranged with the elastomer 252 and close to the first close out sheet 21a, the groove 253 Depression direction and the elastomer 252 protrude out that direction is consistent, facilitate the dress of the fixture 25 and the fixing hole 222 Match somebody with somebody.

Specifically, the needle propeller 242 under the driving of the cutter mechanism from proximate, in the elastomer In the presence of 252, the fixture 25 is held in the step at the two ends of fixed part 2426 positioned at the side of near-end and/or distal end Face, now, the pocket component 24 distal movement together with the cutter mechanism；Correspondingly, the folder of second holder 12 Hold and be provided with the boss 154 that first holder 11 is protruded out at the position of distal end on plate 15.When the cutter mechanism is pushed away Move the pocket component 24 and be moved to distal end, when the fixture 25 reaches 154 position of boss, in the boss In the presence of 154, the effect of the elastomer 252 is overcome, the boss 154 supports the fixture 25 so that the fixation Part 25 is towards the direction of the first holder 11 movement in the fixing hole 222, and the fixed part 2426 departs from the aperture 2512 enter in the macropore 2511；Namely the macropore 2511 is corresponding with the ejector pin bar 2421 while the raised line 2427 It is corresponding with the aperture 2512, meanwhile, the shell fragment 161 drives the pushing block 19 towards away from the movement of the direction of the pod 14 And by jack-up, i.e., described pushing block 19 can be located at the first push rod 23b, the second push rod 23a and the institute of connection sheet 22 In the space surrounded, so as to concede passage 16, so that the fixture 25 can be pushed away with the stator 221 along described Nail rod 2421 is continued to move to distal end, so that the cutter mechanism continues mobile to distal end, now, the pocket component 24 is disengaged The fixture 25, i.e., described pocket component 24 is stopped and the fixture 25 is able to continue mobile to distal end.In addition, working as While stating fixture 25 and reach 154 position of boss, the shell fragment 161 drives the pushing block 19 towards away from the folder Move and by jack-up, can so avoid head part of apparatus length long and be not easily accessible the lower position in human body basin bottom in the direction of shell 14 Put.

The set location of the boss 154 is, when the fixture 25 is supported with the boss 154, the pocket group The thimble 241 of part 24 makes what the formation of human body tubular tissue was closed in the presence of the first nail forming tank, the second nail forming tank just Pocket.

In first holder 11 and second holder 12 include the embodiment of two grip blocks 15, the tissue Closing device 100 includes being divided into pocket component 24 described in two groups of the both sides of conduit 111, each 24 pairs of pocket component Answer the grip block 15 in the grip block 15 and second holder 12 in first holder 11.

Unlike the embodiment for including a grip block 15 from first holder 11 and second holder 12, institute State the near-end of connection sheet 22 there is the stator 221 protruded out towards both sides, positioned at the stator 221 towards the side of distal end and Through the connection sheet 22 to house the fixing hole 222 of the fixture 25；Divide on the fixture 25, the stator 221 She You run through along proximate direction two first perforation 251 passed through for the ejector pin bar 2421, two second wear Hole 2211；And two first perforation 251 are divided into the both sides of the connection sheet 22, two second perforation 2211 also divide Located at the both sides of the connection sheet 22.Each pocket component 24 is located at the fixture 25 and stator of the side of connection sheet 22 221 connections, its connected mode is same as the previously described embodiments, is repeated no more in this.

In another embodiment (not shown), the connecting portion 2413 can also be purse wire, first holder 11 and/ Or the distal end of second holder 12 has the closure connector coordinated with syringe needle described in a pair 2411/2412（It is not shown）, institute Stating on closure connector has the accepting hole for being used for housing the distal end of syringe needle 2411/2412 described in a pair.The syringe needle 2411/2412 After being connected with the closure connector, the closure connector is in the axial direction of the pocket component 24 to the syringe needle 2411/ 2412 progress are spacing, and the boundling pocket that the purse wire formation center is drawn in can be subsequently tensed manually.Other structures and its make It is same as the previously described embodiments with mode, repeated no more in this.

The tissue closing device 100 of the present utility model is using process：By the tissue closing device 100 with it is described Instrument body, percussion lock assembling.Before not firing, the cutter mechanism is located at initial position, namely the cutter mechanism is located at The proximally facing side of first holder 11, now first holder 11 and second holder 12 can be opened.

The accommodating chamber 13 is opened in the distal end separation of first holder 11 and second holder 12, and the projection is in institute It is hidden under the pressure for stating elastic backing mechanism 3 in the passage, part human body tubular tissue is inserted in the accommodating chamber 13, By apparatus or manually using less power the cutter mechanism can be promoted to be moved from proximate, first close out sheet 21a, the second close out sheet 21b is respectively acting on the first holder 11, the second holder 12 can close the accommodating chamber 13, by this Part human body tubular tissue is held in the accommodating chamber 13.

The cutter mechanism is further driven to be moved from proximate, the first push rod 23a, second push rod 23b promotes the pushing block 19 in the passage 16 of first holder 11, the pushing block 19 in the passage 16 of second holder 12 respectively From proximate movement, the pushing block 19 gradually drives the projection 18 to be moved away from the pod 14 from proximate, The projection 18 acts on the elastic threads and is at the second state, makes while the projection 18 acts on human body tubular tissue It is in undaform.At the same time, first syringe needle 2411, second syringe needle 2412 are respectively in the convex of first holder 11 Move to be pierced into human body tubular tissue by phased manner in the needle tray 182 of block 18, the needle tray 182 of the projection 18 of second holder 12 And penetrate the mucous layer of human body tubular tissue；When the pushing block 19 continues mobile to distal end, form corrugated described before Projection 18, due to losing the support of the pushing block 19, and return back to again under the pressure of the elastic backing mechanism 3 it is described plus Hold in the passage 16 that plate 15 and first holder 11, second holder 12 are formed, without hinder the cutter mechanism after Continuous distal movement, and nail pushing device 242 promotes tissue mobile to distal end, until human body tubular tissue is tightened, forms collection The pocket of beam.

Treat that thimble 241 deviates from the connecting portion through the human body tubular tissue in accommodating chamber 13 to first syringe needle 2411 2413 one end, second syringe needle 2412 away from the connecting portion 2413 one end arrive separately at it is described first nail forming tank, Second nail forming tank；The shell fragment 161 promotes the pushing block 19 to be pushed away towards the direction movement away from the pod 14 to described first Bar 23a and the second push rod 23b step down, and the cutter mechanism continues to move distally to first syringe needle 2411, described Second syringe needle 2412 is bent in the described first nail forming tank, the second nail forming tank respectively, and human body tubular tissue is closed In a pocket.

After the completion of pocket, the boss 154, which acts on the fixture 25, makes it be moved towards the direction of the first holder 11 Dynamic, so that the nail pushing device 242 and the connection sheet 22 depart from, the cutter mechanism continues mobile to distal end, the knife Sword cuts off the tubular tissue between two pockets.

Finally, the cutter mechanism is retracted, the connection sheet 22 acts on the pin 2425 so that the thimble 241 Depart from thimble sleeve 2422, cutter mechanism described in the nail pushing device 242 is retracted into initial position.

In summary, tissue closing device 100 of the present utility model promotes projection by pushing block 19, elastic backing mechanism 3 18 deviate from, are moved towards pod 14, allow the human body tubular tissue waviness of clamping so that thimble 241 can discontinuity penetrate people Body tubular tissue, the pocket of formation can penetrate the mucous layer of human body tubular tissue, and the pocket of formation is difficult to slip.In addition, this reality Closure first holder 11 and second holder 12, the promotion pushing block are realized with new can be integrated by cutter mechanism 19 prick pocket, while cutting human body tubular tissue in the passage 16 from proximate movement, to human body tubular tissue, grasp Make simple, easy to use, reduce operation cost.

It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say Bright book is as an entirety, and the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

The a series of tool described in detail only for feasibility embodiment of the present utility model of those listed above Body illustrates that they are simultaneously not used to limit protection domain of the present utility model, all to be made without departing from the utility model skill spirit Equivalent implementations or change should be included within protection domain of the present utility model.

Claims (13)

1. a kind of tissue closing device, it is characterised in that：The tissue closing device includes：

Formed and held after the first holder, the second holder that can be with respect to opened/closed, first holder and second holder closure Receive chamber；First holder and second holder include pod, the grip block being fixed in the pod, positioned at the folder The passage extended between shell and the grip block and from proximate；Have on the grip block and set from proximate interval Put and connect some openings of the passage and the accommodating chamber, in each opening and can in the opening edge Perpendicular to projection of the direction of the grip block closer or far from the pod, the projection is provided with to be run through from proximate The projection and the needle tray connected with the accommodating chamber；The projection on grip block on first holder and second holder Shifted to install from proximate；

Can gradually it be driven from proximate movement in each passage by drivingly some on the grip block The pushing block that the projection is moved towards the direction away from the pod, the pushing block to distal end it is mobile after, positioned at the pushing block near-end Projection depart from the pushing block；

Elastic backing mechanism, along perpendicular to the grip block direction, the two ends of the elastic backing mechanism are ordinatedly set respectively In on the projection, the grip block；The pushing block driving elastic backing mechanism is moved towards the direction away from the pod When, elastic deformation occurs for the elastic backing mechanism, and when the projection departs from the pushing block, the elastic backing mechanism is acted on The projection makes the projection be located in the passage；

The pocket component that drivingly can be moved from proximate, including nail pushing device, be movably connected on the nail pushing device A pair of syringe needles, connection a pair described in syringe needle near-end connecting portion；The nail pushing device from proximate move when, a pair of pins Moved in the needle tray of the projection of head respectively on first holder, the grip block of second holder and be pierced into tubular tissue, Gradually push tubular tissue to distal end simultaneously and collapse to the distal end of syringe needle described in a pair to close tubular tissue being closed into a lotus Bag.

2. tissue closing device according to claim 1, it is characterised in that：The projection includes relative and spaced First wall and the second wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection Wall encloses the needle tray for setting and forming the side for facing away from connection wall opening, and first wall is provided with away from the side of the pod The wire casing extended from proximate, the elastic backing mechanism is elastica, and the folder is fixed in one end of the elastica Hold the near-end of plate, the other end from proximate in extending and sequentially pass through solid after the wire casing of each projection in the passage Due to the distal end of the grip block.

3. tissue closing device according to claim 1, it is characterised in that：The projection includes relative and spaced First wall and the second wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection Wall encloses the needle tray for setting and forming the side for facing away from connection wall opening, and first wall is provided with away from the side of the pod The wire casing extended from proximate, the elastic backing mechanism includes some elastic with each projection cooperation respectively Line, the two ends of each elastic line are individually fixed in the near-end positioned at the projection, on the grip block of distal end, the son The center section of elastica is located in the wire casing.

4. tissue closing device according to claim 1, it is characterised in that：On one in the opening and the projection Provided with least one orientation post, another is provided with the guide slot matched with the orientation post；It is described orientation post with it is described fixed It is engaged to guide the projection close or move away from the pod to groove.

5. tissue closing device according to claim 4, it is characterised in that：The projection includes relative and spaced First wall and the second wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection Wall enclose sets to be formed the side for facing away from the connection wall opening needle tray, first wall away from the needle tray outside wall surface and Second wall is equipped with least one guide slot in the outside wall surface of the needle tray, and the opening has and the guide slot The orientation post being engaged；The orientation post is engaged to guide the projection close or move away from the pod with the guide slot It is dynamic.

6. tissue closing device according to claim 1, it is characterised in that：The projection includes relative and spaced First wall and the second wall, the connection wall for connecting first wall and second wall, first wall, the second wall and the connection Wall encloses the needle tray for setting and forming the side for facing away from connection wall opening, and the connection wall is provided with least one from the company The banking stop that the side of wall is protruded outward is connect, the banking stop rides over the opening when the projection is moved away from the pod Edge play a part of limit its continue to move to.

7. tissue closing device according to claim 1, it is characterised in that：Each projection is towards the one of the pod Side has inclined plane, the plane positioned at the inclined plane distal end positioned at near-end；The pushing block have positioned at distal end and with it is described The inclined plane part of inclined plane cooperation, the planar portions positioned at the inclined plane part near-end.

8. tissue closing device according to claim 7, it is characterised in that：The planar portions are along along proximate direction Width be more than the projection along the width on proximate direction.

9. tissue closing device according to claim 1, it is characterised in that：Syringe needle described in a pair is constituted with the connecting portion U-shaped thimble, the distal end of the grip block of first holder is provided with the first binding block that second holder is protruded out, described One binding block is provided with the first nail forming tank corresponding with the needle tray of the projection on the grip block；The clamping of second holder The distal end of plate is provided with the second binding block that the first holder is protruded out, second binding block be provided with it is convex on the grip block Second that the needle tray of block is corresponding follows closely forming tank.

10. tissue closing device according to claim 1, it is characterised in that：The connecting portion is purse wire, described first The distal end of holder and/or second holder has the closure connector coordinated with syringe needle described in a pair, the closure connector The upper accepting hole with for housing needle distal end described in a pair.

11. the tissue closing device according to any one in claim 1 ~ 10, it is characterised in that：First holder Have in pod along spaced two grip blocks of its width, the pod of second holder is interior to be had along its width Spend spaced two grip blocks in direction；The tissue closing device also includes can be by drivingly in each folder Hold described to drive the projection court on grip block to deviate from from proximate movement in the passage between plate and the pod The pushing block of the direction movement of pod.

12. the tissue closing device according to any one in claim 1 ~ 10, it is characterised in that：First holder Have in pod along spaced two grip blocks of its width, the pod of second holder is interior to be had along its width Spend spaced two grip blocks in direction；The tissue closing device also includes can be by drivingly in each folder From proximate movement to drive two simultaneously in shell and passage between two grip blocks this described in pod The pushing block that the projection on the individual grip block is moved towards the direction away from the pod.

13. a kind of medicine equipment, including instrument body, the tissue closure dress for being removably attachable to the instrument body distal end Put, be connected in the instrument body to fire the percussion lock of the tissue closing device, it is characterised in that：The tissue is closed Attach together and be set in claim 1 ~ 12 tissue closing device described in any one.