CN206120385U - Organize closing device and medical instrument - Google Patents

Abstract

The utility model provides an organize closing device and medical instrument, including first holder, second holder, first holder with the second holder all is equipped with the closed slot way that extends from the near -end to the distal end, cutter mechanism, including first closed piece, the closed piece of second, connection piece, the distal end of connection piece is the cutting edge, the pocket subassembly includes ejector pin ware, a pair of syringe needle, it is a pair of to connect the connecting portion of the near -end of syringe needle, when the ejector pin ware removes to the distal end from the near -end, a pair of syringe needle will be located the tubular tissue who holds the intracavity and push the distal end to a pair of the distal end closure of syringe needle is with pocket of the closed one -tenth of tubular tissue, cutter mechanism has initial position, percussion position, when cutter mechanism is located initial position, the pocket subassembly with cutter mechanism is in it removes to a pair of to the distal end from the near -end to hold the intracavity after the distal end closure of syringe needle, cutter mechanism is relative the pocket subassembly removes to pulling the trigger the position to the distal end, cuts off tubular tissue between two pockets.

Description

Tissue closing device and medical apparatus and instruments

Technical field

This utility model is related to technical field of medical instruments, more particularly to one kind makes with the cooperation of clamp-type tissue closing device Tissue closing device and the medical apparatus and instruments with the tissue closing device.

Background technology

In existing gastral anastomosis operation, typically first using linear type or arc line type anastomat to human body tubulose group Knit carry out multi-angle detachment coincide, reuse circular-pipe anastomat to the tissue after detachment carry out docking coincide.

However, when using linear type or arc line type anastomat human body tubular tissue is carried out detachment coincide after, 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 working place and its The restriction of linear type apparatus pivot angle, it may appear that intersect nail phenomenon, so, reusing when circular-pipe anastomat coincide can have " cat Ear ", the not only risk of fistula, and also it is relatively costly to perform the operation.

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, this utility model provides tissue closing device, the tissue closing device Including：Accommodating chamber can be formed after the first holder and the second holder closure, institute with respect to the first holder of opened/closed, the second holder State the first holder and second holder is equipped with the closure conduit extended from proximate；Cutter mechanism, including positioned at institute State the first holder and deviate from first holder away from the first close out sheet of the side of second holder, positioned at second holder Side the second close out sheet, in the closure conduit connect the connection of first close out sheet and second close out sheet Piece, the distal end of the connection sheet is blade；Can be in the receiving pocket component that move from proximate of intracavity, including pushing away Nail device, a pair of syringe needles being movably connected on the nail pushing device, the connecting portion for connecting the near-end of syringe needle described in a pair；The ejector pin Device from proximate move when, a pair of syringe needles will be located at it is described receiving intracavity tubular tissue push pin described in distal end to a pair to Tubular tissue is closed into a pocket by the distal end closure of head；There is the cutter mechanism blade to be located at syringe needle described in a pair The initial position of near-end, blade are located at the firing position of needle distal end described in a pair, when the cutter mechanism is located at initial position, The near-end of the pocket component and the cutter mechanism in the accommodating chamber；When the cutter mechanism is located at firing position, institute Pocket component and the cutter mechanism are stated in the distal end of the accommodating chamber；The cutter mechanism is moved from initial position to firing position In dynamic process, the pocket component and the cutter mechanism move distally to the pocket component and close tubular tissue simultaneously After synthesis pocket, the cutter mechanism continues to distal end movement to cut off tissue relative to the pocket.

Used as further improvement of the utility model, first close out sheet and second close out sheet are from the connection sheet Relative two ends protrude out towards the homonymy of the connection sheet, and the close mechanism is in " [" type；The nail pushing device and the described first closure Piece be located at the connection sheet homonymy, the nail pushing device include along proximate extend ejector pin bar, positioned at the ejector pin bar Distal end is housing the thimble sleeve of the syringe needle and connecting portion；The ejector pin bar is connected with the connection sheet by fixture activity Connect, the connection sheet can be by drivingly along ejector pin pole length direction movement.

As further improvement of the utility model, the ejector pin bar have proximally-located pin-and-hole, can be assemblied in it is described Pin in pin-and-hole, in the pin-and-hole towards distal end side along the formation that is radially-inwardly recessed of the ejector pin bar fixed part, The pin-and-hole and the fixed part interval setting；

The near-end of the connection sheet have protrude out towards side stator, positioned at the stator towards distal end side And through the connection sheet housing the fixing hole of the fixture；It is respectively equipped with the fixture, the stator along near End is distally bored a hole through first passed through for the ejector pin bar, the second perforation；

After the ejector pin bar is assembled with the connection sheet, the fixed position is interior in the first perforation of the fixture, institute Pin is stated in the pin-and-hole, the connection sheet is located between the pin-and-hole and the fixture.

Used as further improvement of the utility model, also there is the ejector pin bar direction to be provided with the one of first close out sheet The raised line that side protrudes out, the raised line extends from proximate；The diameter of the fixed part is less than the diameter of the ejector pin bar, and Diameter of the diameter of the fixed part less than or equal to the raised line；First perforation includes matching with the ejector pin bar The aperture that macropore and the raised line match, the macropore is connected with the aperture；The fixture can be by drivingly in institute State in fixing hole and moved towards first close out sheet or the second close out sheet；Set at the position of distal end on second holder There is the boss protruded out towards first holder to drive the fixture to move towards the first close out sheet, the fixture also has There is elastomer corresponding with the fixing hole and near second close out sheet.

Used as further improvement of the utility model, first holder and second holder include pod, fixation Grip block in the pod, the passage extended between the pod and the grip block and from proximate；Institute State and have on grip block from proximate interval setting and connect the passage and some openings of the accommodating chamber, positioned at every Described in one be open in and can in the opening along perpendicular to the direction of the grip block closer or far from the convex of the pod Block, the projection is provided with the needle tray for running through the projection from proximate and connecting with the accommodating chamber；First folder The projection on grip block on seat and second holder is shifted to install from proximate；The tissue closing device also includes Can by drivingly in each passage it is some described on the grip block gradually to drive from proximate movement Projection towards the pushing block moved away from the direction of the pod, positioned at the distal end of each passage driving the pushing block towards deviating from The shell fragment of the direction movement of the pod, the pushing block departs from described to after the movement of distal end positioned at the projection of the pushing block near-end Pushing block.

Used as further improvement of the utility model, the cutter mechanism also includes being distally-oriented to far from the connection sheet The first push rod and second push rod that extreme direction is protruded out, first push rod, second push rod are respectively at the described first folder The pushing block is promoted to move from proximate in the passage of seat, the passage of second holder.

Used as further improvement of the utility model, each projection has proximally-located towards the side of the pod Inclined plane, positioned at the plane of the inclined plane distal end；The pushing block has positioned at distal end and oblique with what the inclined plane coordinated Face, positioned at the planar portions of the inclined plane part near-end；Width of the planar portions on proximate direction is more than described convex Width of the block on proximate direction.

Used as further improvement of the utility model, first close out sheet and second close out sheet are from the connection sheet Relative two ends protrude out towards at least side of the connection sheet, and the close mechanism is in " [" type or " work " font；The tissue is closed Attach together and put including pocket component described in two groups of the conduit both sides is divided into, each nail pushing device is included along proximate The ejector pin bar of extension, positioned at the ejector pin bar distal end housing the thimble sleeve of the syringe needle and connecting portion；The ejector pin bar with The connection sheet is flexibly connected by fixture, and the connection sheet can be by drivingly along ejector pin pole length direction movement.

As further improvement of the utility model, the ejector pin bar have proximally-located pin-and-hole, can be assemblied in it is described Pin in pin-and-hole, cave inward the fixed part to be formed, the pin-and-hole and the fixation towards the side of distal end in the pin-and-hole Portion's interval setting；

The near-end of the connection sheet have protrude out towards both sides stator, positioned at the stator towards distal end side And through the connection sheet housing the fixing hole of the fixture；It is respectively equipped with the fixture, the stator along near End is distally bored a hole through two first passed through for the ejector pin bar, two the second perforation；Two described first are worn Hole is divided into the both sides of the connection sheet, and when the fixture is located in the fixing hole, two second perforation are divided into The both sides of the connection sheet；

After arbitrary ejector pin bar is assembled with the fixture and stator positioned at the connection sheet side, the fixed position In the first perforation of the fixture, the pin is located in the pin-and-hole, and the connection sheet is located in the pin-and-hole and institute State between fixture.

Used as further improvement of the utility model, the ejector pin bar is convex also with what is protruded out towards first close out sheet Bar, the raised line extends from proximate；The diameter of the fixed part is less than the diameter of the ejector pin bar, and the fixed part Diameter less than or equal to the raised line diameter；Two it is described first perforation include it is big with what the ejector pin bar matched The aperture that hole and the raised line match, the macropore is connected with the aperture；The fixture can be by drivingly described Move towards first close out sheet or the second close out sheet in fixing hole；It is provided with the position of distal end on second holder To drive the fixture to move towards the first close out sheet, the fixture also has the boss protruded out towards first holder Elastomer corresponding with the fixing hole and near second close out sheet.

Used as further improvement of the utility model, first holder and second holder include pod, fixation In the pod and along spaced two grip blocks of its width, between the pod and the grip block and From the passage that proximate extends；There is from proximate interval setting and connect the passage on each grip block With some openings of the accommodating chamber, in each opening and can be in the opening along perpendicular to the grip block Direction closer or far from the pod projection, the projection be provided with from proximate through the projection and with it is described The needle tray of accommodating chamber connection；The projection on grip block on first holder and second holder misplaces from proximate Arrange；The tissue closing device also includes can be by drivingly in each pod and two be located in the pod From proximate movement with the projection court on two grip blocks of driving simultaneously in passage between the grip block The pushing block that moves away from the direction of the pod, positioned at the distal end of each passage to drive the pushing block towards away from the folder The shell fragment of the direction movement of shell, to after the movement of distal end, the projection positioned at the pushing block near-end departs from the pushing block to the pushing block.

Used as further improvement of the utility model, the cutter mechanism also includes being distally-oriented to far from the connection sheet The first push rod and second push rod that extreme direction is protruded out, first push rod, second push rod are respectively at the described first folder The pushing block is promoted to move from proximate in the passage of seat, the passage of second holder.

Used as further improvement of the utility model, each projection has proximally-located towards the side of the pod Inclined plane, positioned at the plane of the inclined plane distal end；The pushing block has positioned at distal end and oblique with what the inclined plane coordinated Face, positioned at the planar portions of the inclined plane part near-end；Width of the planar portions on proximate direction is more than described convex Width of the block on proximate direction.

To realize above-mentioned utility model purpose, this utility model additionally provides a kind of medical apparatus and instruments, including instrument body, can Releasably it is connected to the tissue closing device of the instrument body distal end, is connected in the instrument body to fire the tissue The percussion lock of closing device.

The beneficial effects of the utility model are：Tissue closing device of the present utility model can be formed to human body tubular tissue Center boundling pocket, and human body tubular tissue can be automatically cut off, it is simple to operate, easy to use, reduce operation cost.

Description of the drawings

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

Fig. 2 is the structural representation in another angle of the tissue closing device shown in Fig. 1.

Fig. 3 is the structural representation in another angle of the tissue closing device shown in Fig. 1.

Fig. 4 is sectional view of the tissue closing device shown in Fig. 3 along A-A directions.

Fig. 5 is the optical cable of the tissue closing device shown in Fig. 1.

Fig. 6 is another part exploded view of the tissue closing device shown in Fig. 1.

Fig. 7 is the another optical cable of the tissue closing device shown in Fig. 1.

Fig. 8 is the optical cable of the first holder shown in Fig. 1.

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

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

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

Figure 12 is the structural representation after the tissue closing device shown in Fig. 1 coordinates with transfer connector.

Specific embodiment

This utility model is described in detail below with reference to specific embodiment shown in the drawings.But these embodiment party Formula is not intended to limit this 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 this utility model, with exercises on apparatus author as reference, near behaviour One end of author is near-end, is distal end away from one end of operator.

As shown in figure 12, it is medical apparatus and instruments 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；Straight line can be continued to use but be not limited to such as described instrument body The instrument body mechanism of type or arc line shaped anastomat.

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

Typical human body tubular tissue is included but is not limited to：Blood vessel, including tremulous pulse and vein；Digestive tract, including esophagus, Stomach, small intestinal, colon, rectum；Bile duct and pancreas；Urinary tract, including ureter, bladder and urethra；And fallopian tube etc..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 the mid portion of colon occurs pathological changes, the tissue closing device 100 is used to coincide and connects two parts of colon, and The tubular track for re-creating is in colon 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 for re-creating is located between rectum and colon.

The tissue closing device 100 includes can be with respect to the first holder 11 of opened/closed, the second holder 12, when described When first holder 11 and second holder 12 are closed, 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 for part human body tubular tissue the appearance is entered 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 part human body tubular tissue is set to form the boundling pocket that center is drawn in；Cut Cut human body tubular tissue etc..

In the present embodiment, the near-end of first holder 11 is pivotally connected with the near-end of second holder 12, and described The accommodating chamber 13 is opened or closed in the distal end of the 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 separate, 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, by described in the pod 14 is with least one be located in the pod 14 shape of grip block 15 Into from proximate extend passage 16.As described in Fig. 1 ~ 12, in first holder 11 and second holder 12 With two grip blocks 15；And in other embodiments, first holder 11 and second holder 12 can also include One grip block 15；First holder 11 and second holder 12 can also be without the structures of grip block 15.

The pod 14 and the split of the grip block 15 are arranged, and are set in the pod 14 and the grip block 15 There are some fixed columns 141, another is provided with and the one-to-one fixing groove 142 of the fixed column 141.The pod 14 and institute State after grip block 15 is fixed together, the pod 14 is enclosed with the grip block 15 and sets to form what is extended from proximate direction Passage 16.Certainly, the pod 14 can also be arranged 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 near near The pivot hole 144 being engaged with the pivot 143 is provided with the position at end；The pivot 143 insert in the pivot hole 144 and When first holder 11 and second holder 12 are closed, 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.

There is from proximate interval setting and connect the passage 16 and the accommodating chamber 13 on the grip block 15 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 in a big opening from proximate connection.

It is described opening 17 and the projection 18 in one be provided with least one orientation post 171, another be 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 near or move away from the pod 14, it is understood that for the projection 18 near or away from the pod 14 when, institute State orientation post 171 and Sloped rotating during preventing the projection 18 from moving is moved in the guide slot 181.In the present embodiment, institute State and two guide slots 181 being oppositely arranged are provided with projection 18,17 inwalls of the opening are provided with two orientation posts 171.

Some described projection 18 on the same grip block 15 is inline, and each projection 18 is provided with from closely Hold the needle tray 182 for running through the projection 18 to distal end and connecting 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 1511 of the needle tray 182 of projection 18 on plate 15；The grip block 15 of second holder 12 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 grip block 15 On projection 18 needle tray 182 it is corresponding second nail forming tank 1521.

It will be appreciated by persons skilled in the art that the first nail forming tank 1511 is located at the institute of first holder 11 The needle tray 182 of projection 18 is stated from proximate at the projection of first binding block 151；The second nail forming tank 1521 Positioned at second holder 12 the projection 18 needle tray 182 from proximate second binding block 152 projection Place.

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 be entered 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 supports respectively second holder 12, the first holder 11, plays and limits the work that both continue to close With while preventing human body tubular tissue to excessive.

As shown in Fig. 1 ~ 12, in the present embodiment, when first holder 11 is closed with second holder 12, described 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.Close with second holder 12 in first holder 11 When, when not firing, due to the active force organized, some projections 18 on first holder 11, second holder 12 Be partly hidden in first holder 11 respectively, the passage 16 that second holder 12 is formed with the grip block 15 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 Anti- jaw of the distal jaw 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 are set Formation faces away from the class v type needle groove 182 that the side of the connection wall 185 opens.

The connection wall 185 has inclined plane 1851 away from the near-end of outside wall surface of the needle tray 182, to facilitate from described The near-end of projection 18 drives the projection 18 to move 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 the inclined plane 1851, positioned at the distal end of the plane 1852 and with 1851 pairs, the inclined plane Claim the symmetrical inclined plane 1853 for arranging, so as to the projection 18 installation can be proximally and distally exchanged, and whether exchange installation Can realize proximally driving the projection 18 to move 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 least one banking stop 1854 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 for continuing 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 to two ends respectively from distal end, near-end, works as institute Projection 18 is stated away from during the movement of the pod 14, the distal end banking stop 1854b, near-end banking stop 1854a 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 outside wall surface of the spacing connection wall 185 stopper slot 145, When the projection 18 is moved towards the pod 14, the connection wall 185 of the stopper slot 145 supporting is played and limits its continuation Mobile effect so that the wall 184 of 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 near the pod 14, the distal end banking stop 1854b, near-end banking stop 1854a 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 At least one guide slot 181 is equipped with outside wall surface, there is the orientation post being engaged with the guide slot 181 in the opening 17 171；The projection 18 near or away from the pod 14 when, the orientation post 171 is moved in the guide slot 181, with protect Demonstrate,prove the projection 18 to move along the direction perpendicular to the grip block 15, prevent run-off the straight when mobile of projection 18.

The outside wall surface that the internal face that first wall 183 is located in the needle tray 182 deviates from the needle tray 182 with it is put down OK, second wall 184 is parallel with the outside wall surface of first wall 183 away from the outside wall surface of the needle tray 182, second wall 184 internal faces being located in the needle tray 182 are gradually supported or opposed from the connection wall 185 to the side away from the connection wall 185 Incline from the direction of first wall 183.It is also understood that first wall 183 away from the needle tray 182 outside wall surface with Second wall 184 is parallel away from the outside wall surface of the needle tray 182, and the thickness of first wall 183 is uniform, and second wall 184 is thick away from the side of the connection wall 185 near the side ratio of the connection wall 185.

Along projection 18 on the direction of the grip block 15, first holder 11 the first wall 183 with it is described Second wall 184 of the projection 18 on the second holder 12 is relative, the second wall 184 of the projection 18 on first holder 11 with it is described First wall 183 of the projection 18 on the second holder 12 is relative.It is also understood that of the projection 18 on first holder 11 One wall 183 points to the first wall 183 of the projection 18 on the direction of second wall 184 and second holder 12 and points to described Two walls 184 it is in opposite direction.Now, the needle tray 182 of some described projection 18 of first holder 11 is near the connection wall 185 part is located along the same line, and the needle tray 182 of some described projection 18 of second holder 12 is near the connection The part of wall 185 is located on another straight line, two straight lines along perpendicular to the direction of the grip block 15 on the grip block 15 Two projections be spaced along the width of the grip block 15.

Correspondingly, the width of first binding block 151 and second binding block 152 along first holder 11 Shift to install, and the first wall 183 of projection 18 of first binding block 151 on first holder 11；Described second First wall 183 of projection 18 of the binding block 152 on second holder 12, so as in the needle tray 182 of the first holder 11 Mobile part thimble and the part thimble moved in the needle tray 182 of second holder 12 bend on a different plane Type, can avoid the occurrence of the situation of tip to tip, so as to the pocket for being formed is more solid, be easy to the use of follow-up circular-pipe anastomat, Projection of the needle tray 182 of the first holder 11 with the needle tray 182 of second holder 12 on the blessing plate 15 can also be avoided The design crown of the nail caused during coincidence is excessive, causes the oversized of apparatus entirety, gives people to cause bigger injury.

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 described projection 18 on the grip block 15 towards the direction shifting away from the pod 14 Dynamic pushing block 19；To after the movement of distal end, the projection 18 positioned at the near-end of the pushing block 19 departs from the pushing block 19 to the pushing block 19, from And projection 18 can be retracted in the passage 16, to facilitate the motion of other structures.

Specifically, the projection 18 there is proximally-located inclined plane 1851 towards the side of the pod 14, 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 coordinates with the inclined plane 1851 Portion 191, positioned at the planar portions 192 of the near-end of the 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 enforcement In example, the planar portions 192 are designed to along the length of proximate bearing of trend, positioned at the pushing block of first holder 11 When 19 planar portions 192 are mutually supported with the plane 1852 of one of projection 18, positioned at the pushing block 19 of second holder 12 Planar portions 192 are also mutually supported with the plane 1852 of one of projection 18 simultaneously, and two projections 18 are adjacent.

Further, the tissue closing device 100 also includes that the distal end for being located at each passage 16 is described to drive 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 described projection 18 distal end, after the pushing block 19 promotes all projections 18 to move away from the holder, institute Stating shell fragment 161 drives the pushing block 19 towards moving away from the direction of the pod 14, such that it is able to concede passage 16, is easy to other The operation of apparatus.

Have along spaced two grip blocks 15 of its width, institute in the pod 14 of first holder 11 State and have in the pod 14 of the second holder 12 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 are along its width point Located at the both sides of the 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 pathological changes simultaneously Two pockets；Therefore when cutting human body tubular tissue between two pockets, the end of the tubular tissue with pathological changes is also by lotus Wrapping is tight to close, and is difficult to disengage, and is easy to subsequently take out external.And it is provided only with a grip block 15 in first holder 11 Embodiment in, the tissue closing device 100 need operation also can be formed in the side of the tubular tissue with pathological changes 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 be to Shown in Fig. 5 ~ 8 be symmetrical arranged can also identical mode be set up in parallel, under both of these case on two grip blocks 15 Some projections 18 are arranged from proximate with position.Certainly, the projection 18 on two grip blocks 15 asynchronous can also set Put, for example, shift to install.

Compared to the embodiment that a grip block 15 is provided only with first holder 11, the pushing block 19 equally has The inclined plane part 191 that has positioned at distal end and coordinate with the inclined plane 1851, positioned at the planar portions 192 of the near-end of the inclined plane part 191； Except for the difference that, the width increase of the pushing block 19, when the pushing block 19 is moved in the passage 16 from proximate, can be simultaneously The projection 18 on two grip blocks 15 is acted on 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, when using, two pushing blocks 19 are simultaneously by drivingly from proximate movement.It is described to push away The concrete structure and its move mode of block 19 is same as the previously described embodiments, repeats no more in this.

Specifically, the planar portions 192 are greater than the projection 18 in near-end in the width from proximate direction Width from 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 of the clamping of projection 18；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, do not hinder other mechanism's distal movements.

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 simultaneously act on two 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 that the distal end for being located at each passage 16 is described to drive 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 described projection 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 move towards the direction for deviating from the pod 14 jointly, such that it is able to Passage 16 is conceded, is easy to the operation of other apparatuses.

The tissue closing device 100 also includes the closure for closing 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 close away from the second close out sheet 21b of the side of first holder 11, connection positioned at second holder 12 Close the connection sheet 22 of piece 21a and second close out sheet 21b；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.

Due to first holder 11 it is shorter than second holder 12, when second close out sheet 21b be located at described second The pivot hole 144 on holder 12 near the side of near-end when, first close out sheet 21a be 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 is entered After in the accommodating chamber 13, the closer 200 is promoted to move from proximate by apparatus or manually, first closure Piece 21a, second close out sheet 21b are respectively acting on the closure accommodating chamber 13 by the first holder 11, the second holder 12, will The part human body tubular tissue folder is closed in the accommodating chamber 13.

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

And it is respectively provided with two spaced grip blocks 15 in first holder 11 and second holder 12 Embodiment in, the conduit 111 as closes conduit 111；First close out sheet 21a and second close out sheet 21b are certainly The relative two ends of the connection sheet 22 protrude out towards homonymy or protrude 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 protruding out towards distal direction and described the Two push rod 23b.After the closer 200 is assembled with first holder 11 and second holder 12, first push rod 23a, the second push rod 23b protrude into respectively the passage 16 of first holder 11, the passage 16 of second holder 12；From And when the closer 200 is moved from proximate, the first push rod 23a, the second push rod 23b drive respectively institute The pushing block 19 stated in pushing block 19, second holder 12 of the first holder 11 is moved from proximate.

Further, in order to be able to cutting human body tubular tissue, 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 described in distal end to a pair syringe needle 2411/2412 Tubular tissue is closed into a pocket by distal end closure.

There is the cutter mechanism blade to be located at initial position, the blade of the near-end of syringe needle 2411/2412 described in a pair Positioned at the firing position of 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 After being closed into 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 second syringe needle 2412 that the first syringe needle 2411 and first syringe needle 2411 be arranged in parallel, connects described the 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.

The nail pushing device 242 include along proximate extend ejector pin bar 2421, positioned at the distal end of ejector pin bar 2421 U-shaped thimble sleeve 2422, the thimble sleeve 2422 has the hollow bulb 2423 that opens to distal end, to house the nail Tie near the part of the connecting portion 2413 on the connecting portion 2413 of pin, first syringe needle 2411 and second syringe needle 2412 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 Second syringe needle 2412 needle tray 182 of projection 18, the pin of the projection 18 of second holder 12 respectively in first holder 11 Human body tubular tissue is moved and is pierced in groove 182, while gradually push human body tubular tissue to distal end draw in, to first pin 2411 away from the distal end of the connecting portion 2413, second syringe needle 2412 will away from the distal ends closure of the connecting portion 2413 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 1511, second nail are followed closely in the distal end of one syringe needle 2411, the distal end of second syringe needle 2412 described first respectively Bending in forming tank 1521, is in a pocket by human body tubular tissue closure.

Further, the nail pushing device 242 is detachably connected with the connection sheet 22 by fixture 25.Push away when described After nail device 242 and connection sheet are mutually fixed, the thimble sleeve 2422 be proximally located at the connection sheet 22 be distally-oriented to distal end Side；After the pocket component 24 departs from the cutter mechanism, the nail pushing device 242 stops being moved to distal end, described Cutter mechanism can continue to be moved to distal end, to cut tissue.The ejector pin bar 2421 has proximally-located pin-and-hole 2424, can fill The pin 2425 that is assigned in the pin-and-hole 2424, cave inward the fixed part to be formed towards the side of distal end in the pin-and-hole 2424 2426, the pin-and-hole 2424 and the interval setting of 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 being located at the pocket component 24 of the side of the 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 is 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 be located at the pin-and-hole 2424 in, 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 little In the diameter of the ejector pin bar 2421, and the diameter of the fixed part 2426 is less than or equal to the diameter of the raised line 2427.Institute State that the first perforation 251 is identical with the section of the ejector pin bar 2421, including the macropore 2511 matched with the ejector pin bar 2421, 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 with second hole in move, but it is described second perforation 2211 shape do not do specific requirement, its section can for circle.This Art personnel are it is understood that the fixed part 2426 can be contained in the aperture 2512, and the fixture 25 Can be by drivingly in the fixing hole 222 towards first close out sheet 21a or the movement of the second close out sheet 21b.

When the pocket component 24 is assembled with the connection sheet 22, first the fixture 25 is inserted into the fixing hole 222 Interior, the near-end of the ejector pin bar 2421 proximally sequentially passes through first the 251, second perforation 2211 of perforation 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 as to the fixture 25 cannot be moved relative to the ejector pin bar 2421 to distal end.It is described Cutter mechanism to distal end move when, 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 move from proximate, to form pocket；The cutter mechanism is from distal end near When end is return, the stator 221 acts on the pin 2425, can cause the pocket component 24 while returning.

The fixture 25 also has bullet corresponding with the fixing hole 222 and at second close out sheet 21b Gonosome 252, the elastomer 252 is protruded out towards second close out sheet 21b, is located in the fixing hole in the fixture 25 When, the elastomer 252 is held in the fixing hole 222 near the side of second close out sheet.In addition, the fixture 25 also have groove 253 being oppositely arranged with the elastomer 252 and near 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 proximally-located and/or side of distal end is held in the step at the two ends of the fixed part 2426 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 153 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 153 position of boss, in the boss In the presence of 153, the effect of the elastomer 252, the boss 153 is overcome to support the fixture 25 so that the fixation Towards the direction of the first holder 11 movement in the fixing hole 222, the fixed part 2426 departs from the aperture to part 25 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 the direction movement away from the pod 14 And by jack-up, i.e., described pushing block 19 may be located at the first push rod 23b, the second push rod 23a and the institute of the connection sheet 22 In the space for surrounding, such that it is able to concede passage 16, so as to 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 to be moved 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 to be moved to distal end.Additionally, working as While stating fixture 25 and reach 153 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 153 is, when the fixture 25 is supported with the boss 153, the pocket group The thimble 241 of part 24 makes human body tubular tissue shape in the presence of the first nail nail forming tank 1521 of forming tank 1511, second just Into the pocket closed.

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 the conduit 111, each pocket component 24 pairs Answer the grip block 15 in the grip block 15 and second holder 12 in first holder 11.

From unlike the embodiment that first holder 11 and second holder 12 include grip block 15, institute State connection sheet 22 near-end have 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 housing the fixing hole 222 of the fixture 25；Divide on the fixture 25, the stator 221 It is not provided with and is worn through two first perforation 251, two second passed through for the ejector pin bar 2421 along proximate direction Hole 2211；And the both sides that two first perforation 251 are divided into 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 the connection sheet 22 221 connections, its connected mode is same as the previously described embodiments, repeats 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 State the accepting hole having on closure connector 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 carry out spacing, subsequently can manually tense the purse wire and form the boundling pocket that center is drawn in.Other structures and its make It is same as the previously described embodiments with mode, repeat 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 distal end of first holder 11 and second holder 12 separates opens the accommodating chamber 13, by part human body pipe Shape tissue is inserted in the accommodating chamber 13, promotes the cutter mechanism to move from proximate by apparatus or manually, described First close out sheet 21a, second close out sheet 21b are respectively acting on the closure appearance by the first holder 11, the second holder 12 Receive chamber 13, the part human body tubular tissue is held in the accommodating chamber 13.Now, human body tubular tissue acts on described convex Block 18 causes the projection 18 to move towards the pod 14, so as to less power can the closure tissue closing device 100。

The cutter mechanism is further driven to move from proximate, the first push rod 23a, second push rod 23b promotes respectively the pushing block 19 in the passage 16 of first holder 11, the pushing block 19 in the passage 16 of second holder 12 From proximate movement, the pushing block 19 gradually drives the projection 18 to move away from the pod 14 from proximate, It is in undaform that the projection 18 acts on human body tubular tissue and makes it.At the same time, first syringe needle 2411, second pin In 2412 needle trays 182 of projection 18 respectively in first holder 11, the needle tray 182 of the projection 18 of second holder 12 Move to be pierced into human body tubular tissue by phased manner and penetrate the mucous layer of human body tubular tissue；When the pushing block 19 continues to remote When end is mobile, the corrugated projection 18 is formed before, the support due to losing the pushing block 19, and in the pressure of tissue It is lower to return back to again in the space that the blessing plate 15 is formed with first holder 11, second holder 12, and do not hinder The cutter mechanism continues distal movement, and nail pushing device 242 promotes tissue to move to distal end, until human body tubular tissue Tightened, formed the pocket of boundling.

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 arrive separately at the first nail forming tank away from one end of the connecting portion 2413 1511st, the second nail forming tank 1521；The shell fragment 161 promotes the pushing block 19 towards the direction movement away from the pod 14 to institute State the first push rod 23a and the second push rod 23b to step down, the cutter mechanism continues to move distally to first syringe needle 2411st, second syringe needle 2412 follows closely bending in forming tank 1511, the second nail forming tank 1521 described first respectively, will Human body tubular tissue closure is in a pocket.

After the completion of pocket, the boss 153 acts on the fixture 25 makes it move 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 to be moved to distal end, the knife Sword cuts off the tubular tissue between two pockets.

Finally, the cutter mechanism is return, 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 addition, above-mentioned pocket component 24 can be also used in first holder 11 and the second holder 12 of bumpless 18, only shape Detailed process into pocket is：A pair of syringe needles 2411/2412 push the tubular tissue in the accommodating chamber 13 to distal end simultaneously Draw tubular tissue in remote to syringe needle described in a pair 2411/2412 between a pair of syringe needles 2411/2412 and connecting portion 2413 Tubular tissue is closed into a pocket by end closure.Other structures and its using method are same as the previously described embodiments, in this no longer Repeat.

In sum, tissue closing device of the present utility model 100 promotes projection 18 toward and away from folder by pushing block 19 Shell 14 is moved, and allows the human body tubular tissue waviness of clamping so that thimble 241 can discontinuity penetrate human body tubular tissue, shape Into pocket can penetrate the mucous layer of human body tubular tissue, the pocket of formation is difficult to slip.In addition, this utility model passes through cutting knife Mechanism can comprehensively realize closing first holder 11 and second holder 12, promote the pushing block 19 in the passage 16 It is interior from proximate movement, give people body tubular tissue prick pocket, while cut human body tubular tissue, simple to operate, user Just, operation cost is reduced.

It should be understood that, although this specification is been described by according to embodiment, but not each embodiment only includes one Individual independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art will should say Bright book as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, forming those skilled in the art can With the other embodiment for understanding.

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

Claims (14)

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

Accommodating chamber can be formed after the first holder and the second holder closure, institute with respect to the first holder of opened/closed, the second holder State the first holder and second holder is equipped with the closure conduit extended from proximate；

Cutter mechanism, including positioned at first holder away from second holder side the first close out sheet, positioned at described Second holder connects first close out sheet away from the second close out sheet of the side of first holder, in the closure conduit With the connection sheet of second close out sheet, the distal end of the connection sheet is blade；

Can in the receiving pocket component that move from proximate of intracavity, including nail pushing device, be movably connected on described in push away Follow closely a pair of syringe needles on device, connect the connecting portion of the near-end of syringe needle described in a pair；The nail pushing device from proximate move when, A pair of syringe needles close the distal end for pushing syringe needle described in distal end to a pair to positioned at the tubular tissue of the receiving intracavity by tubulose group Knit and be closed into a pocket；

There is the cutter mechanism blade to be located at the initial position of proximal needle, blade described in a pair positioned at pin described in a pair The firing position of head distal end, when the cutter mechanism is located at initial position, the pocket component and the cutter mechanism are described The near-end of accommodating chamber；When the cutter mechanism is located at firing position, the pocket component and the cutter mechanism are in the appearance Receive the distal end in chamber；The cutter mechanism pocket component and described is cut from initial position to during firing position movement Cutter mechanism moves distally to the pocket component and tubular tissue is closed into after pocket simultaneously, and the cutter mechanism is relatively described Pocket continues to distal end movement to cut off tissue.

2. tissue closing device according to claim 1, it is characterised in that：First close out sheet and second closure Piece is protruded out from the relative two ends of the connection sheet towards the homonymy of the connection sheet, and the close mechanism is in " [" type；The nail pushing device With first close out sheet be located at the connection sheet homonymy, the nail pushing device include along proximate extend ejector pin bar, Positioned at the ejector pin bar distal end housing the thimble sleeve of the syringe needle and connecting portion；The ejector pin bar passes through with the connection sheet Fixture is flexibly connected, and the connection sheet can be by drivingly along ejector pin pole length direction movement.

3. tissue closing device according to claim 2, it is characterised in that：The ejector pin bar has proximally-located pin Hole, the pin that can be assemblied in the pin-and-hole, in the pin-and-hole towards distal end side along the radially-inwardly recessed of the ejector pin bar Fall into the fixed part for being formed, the pin-and-hole and the fixed part interval setting；

The near-end of the connection sheet is with the stator protruded out towards side, positioned at the stator is towards the side of distal end and passes through Wear the connection sheet to house the fixing hole of the fixture；Be respectively equipped with the fixture, the stator along near-end to Distal direction is bored a hole through first passed through for the ejector pin bar, the second perforation；

After the ejector pin bar is assembled with the connection sheet, the fixed position is interior in the first perforation of the fixture, the pin Nail is located in the pin-and-hole, and the connection sheet is located between the pin-and-hole and the fixture.

4. tissue closing device according to claim 3, it is characterised in that：The ejector pin bar also has described towards being provided with The raised line that the side of the first close out sheet protrudes out, the raised line extends from proximate；The diameter of the fixed part is less than described The diameter of ejector pin bar, and the diameter of the fixed part is less than or equal to the diameter of the raised line；First perforation includes and institute The macropore that ejector pin bar matches and the aperture that the raised line matches are stated, the macropore is connected with the aperture；The connector Can be by drivingly in the fixing hole towards first close out sheet or the movement of the second close out sheet；Lean on second holder Boss that first holder protrudes out is provided with the position of nearly distal end to drive the fixture to move towards the first close out sheet Dynamic, the fixture also has elastomer corresponding with the fixing hole and near second close out sheet.

5. the tissue closing device according to any one in claim 1 ~ 4, it is characterised in that：First holder and institute State the second holder include pod, be fixed in the pod grip block, between the pod and the grip block and From the passage that proximate extends；There is from proximate interval setting and connect the passage and institute on the grip block State some openings of accommodating chamber, in each opening and can be in the opening along perpendicular to the side of the grip block To the projection closer or far from the pod, the projection be provided with from proximate through the projection and with the receiving The needle tray of chamber connection；The projection on grip block on first holder and second holder sets from proximate dislocation Put；The tissue closing device also include can by drivingly in each passage from proximate movement gradually driving The some described projection on the grip block is moved towards the pushing block moved away from the direction of the pod, positioned at each passage Shell fragment of the distal end to drive the pushing block to move towards the direction for deviating from the pod, after the pushing block is moved to distal end, positioned at institute The projection for stating pushing block near-end departs from the pushing block.

6. tissue closing device according to claim 5, it is characterised in that：The cutter mechanism is also included from the connection Piece is distally-oriented to the first push rod and the second push rod that distal direction is protruded out, first push rod, second push rod respectively at The pushing block is promoted to move from proximate in the passage of first holder, the passage of second holder.

7. tissue closing device according to claim 5, it is characterised in that：Each projection is towards the one of the pod Side has proximally-located inclined plane, positioned at the plane of the inclined plane distal end；The pushing block have be located at distal end and with it is described Inclined plane coordinate inclined plane part, positioned at the planar portions of the inclined plane part near-end；The planar portions are along proximate direction Width is more than width of the projection on proximate direction.

8. tissue closing device according to claim 1, it is characterised in that：First close out sheet and second closure At least side of the piece from the relative two ends of the connection sheet towards the connection sheet protrudes out, and the close mechanism is in " [" type or " work " Font；The tissue closing device includes being divided into pocket component described in two groups of the conduit both sides, each nail pushing device Including the ejector pin bar extended along proximate, positioned at the ejector pin bar distal end housing the tailstock barrel of the syringe needle and connecting portion Cylinder；The ejector pin bar is flexibly connected with the connection sheet by fixture, and the connection sheet can be by drivingly along the ejector pin Move in pole length direction.

9. tissue closing device according to claim 8, it is characterised in that：The ejector pin bar has proximally-located pin Hole, the pin that can be assemblied in the pin-and-hole, cave inward the fixed part to be formed towards the side of distal end in the pin-and-hole, it is described Pin-and-hole and the fixed part interval setting；

The near-end of the connection sheet is with the stator protruded out towards both sides, positioned at the stator is towards the side of distal end and passes through Wear the connection sheet to house the fixing hole of the fixture；Be respectively equipped with the fixture, the stator along near-end to Distal direction is bored a hole through two first passed through for the ejector pin bar, two the second perforation；Two first perforation point Located at the both sides of the connection sheet, when the fixture is located in the fixing hole, two second perforation are divided into described The both sides of connection sheet；

, with after the fixture and stator assembling of the connection sheet side, the fixed position is in institute for arbitrary ejector pin bar State in the first perforation of fixture, the pin is located in the pin-and-hole, and it is solid with described that the connection sheet is located in the pin-and-hole Determine between part.

10. tissue closing device according to claim 9, it is characterised in that：The ejector pin bar also has towards described the The raised line that one close out sheet is protruded out, the raised line extends from proximate；The diameter of the fixed part is less than the ejector pin bar Diameter, and the diameter of the fixed part is less than or equal to the diameter of the raised line；Two it is described first perforation include with it is described The aperture that the macropore and the raised line that ejector pin bar matches matches, the macropore is connected with the aperture；Second holder It is upper that boss that first holder protrudes out is provided with the position of distal end to drive the fixture in the fixing hole It is interior to move towards first close out sheet or the second close out sheet；The fixture also has corresponding with the fixing hole and leans on The elastomer of nearly second close out sheet.

11. tissue closing devices according to any one in claim 8 ~ 10, it is characterised in that：First holder and Second holder includes pod, is fixed in the pod and along its width spaced two grip blocks, positions The passage extended between the pod and the grip block and from proximate；Have from near-end on each grip block To distal end interval setting and connect the passage and some openings of the accommodating chamber, in each opening and can be In the opening along perpendicular to the direction of the grip block closer or far from the pod projection, the projection is provided near Hold the needle tray for running through the projection to distal end and connecting with the accommodating chamber；Folder on first holder and second holder The projection held on plate is shifted to install from proximate；The tissue closing device also includes can be by drivingly each described From proximate movement with driving simultaneously in passage between pod and two grip blocks in pod this described The projection on two grip blocks is towards the pushing block moved away from the direction of the pod, positioned at the remote of each passage Hold to drive the pushing block towards the shell fragment moved away from the direction of the pod, after the pushing block is moved to distal end, positioned at described The projection of pushing block near-end departs from the pushing block.

12. tissue closing devices according to claim 11, it is characterised in that：The cutter mechanism is also included from the company Contact pin is distally-oriented to the first push rod and the second push rod that distal direction is protruded out, first push rod, second push rod difference The pushing block is promoted to move from proximate in passage, the passage of second holder in first holder.

13. tissue closing devices according to claim 11, it is characterised in that：Each projection is towards the pod Side has proximally-located inclined plane, positioned at the plane of the inclined plane distal end；The pushing block have be located at distal end and with institute State inclined plane cooperation inclined plane part, positioned at the planar portions of the inclined plane part near-end；The planar portions are along proximate direction Width be more than width of the projection on proximate direction.

A kind of 14. medical apparatus and instruments, including instrument body, be removably attachable to the instrument body distal end tissue closure dress 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 ~ 13 tissue closing device described in any one.