CN101816580B

CN101816580B - External coinciding device

Info

Publication number: CN101816580B
Application number: CN2009102512380A
Authority: CN
Inventors: 陈望东; 孙克展
Original assignee: Touchstone International Medical Science Co Ltd
Current assignee: Suzhou Tianchen International Medical Technology Co Ltd
Priority date: 2009-12-04
Filing date: 2009-12-04
Publication date: 2012-03-14
Anticipated expiration: 2029-12-04
Also published as: CN101816580A

Abstract

The invention provides an external coinciding device comprising a body provided with a side opening. The body can be opened on the opening, and the tail end of the body is a knob; the knob is connected with at least two locating shafts and drives the locating shafts to move along the axis of the body; the other end of the locating shaft is connected with a degradable compression ring which comprises a through hole through which tissues can pass; the body is concavely provided with a group of nail holding holes on the surface of the compression ring; and one driving assembly arranged on the body drives the coinciding nail of the nail holding hole to be shaped on a tissue to be shaped and the compression ring. The invention has the beneficial effect that the device does not need cardia in the operation, is convenient to examine after the operation, does not affect the internal path of tissues, such as intestine path and the like and is convenient to take out after operation.

Description

External coinciding device

Technical field

The present invention relates to a kind of novel external coinciding device that carries out surgery stitching operation, belong to medical instruments field.

Background technology

Surgery is a kind of medical apparatus and instruments that often uses when physiological tissues such as intestinal are carried out surgical operation with stapling apparatus, and the difference of its performance plays crucial effects for the whole surgery effect.Methods of anastomosis at present surgery adopts axially with stapling apparatus is mostly organized containingly for two sections during bookbinding, forms binder ring at organization internal, and U.S. Pat 5205459 has promptly disclosed a kind of tubular type stapling apparatus with said structure.

The advantage of present this stapling apparatus is: the body that produces in the operation process is hemorrhage can be along with content be discharged together, and operation back body tissue ratio is easier to healing.But because methods of anastomosis in adopting, its shortcoming also clearly: need open cardia at the some adnexa that coincide during operation; Operation back anastomosis ring is trapped in to be organized in the inner chamber, makes the organization internal channel narrows, and the back apparatus that is unfavorable for performing the operation takes out, and causes postoperative complication easily, and the back body tissue restore funcitons that is unfavorable for performing the operation brings detailed side effect to patient; The 3rd, this methods of anastomosis is unfavorable for the postoperative inspection.

Summary of the invention

The objective of the invention is to solve above-mentioned technical problem, a kind of simple in structure, easy to operate external coinciding device is provided, improve surgical effect better.

The object of the invention is realized through following technical scheme:

A kind of external coinciding device; Comprise a body that has a side opening; Said body can be opened at its opening part, and the end of said body is a knob, and said knob is connected with at least two locating shafts and drives said locating shaft and moves along said body axis; The other end of said locating shaft is connected with a degradable pressure ring; Said pressure ring comprises that can supply a through hole of organizing to pass, and said body is concaved with one group with respect to the surface of said pressure ring and puts the nail hole, and one is arranged at driven unit on the body drives the said anastomosis staple of putting the nail hole and take shape on the tissue and pressure ring to be coincide.

Further, said driven unit comprises the push button that is arranged on outside this external surface, and the ejector pin bar and the pushing slice of nail that are connected with said push button.

Further, said body is equipped with one group with respect to the surface of said pressure ring and puts the nail hole, is connected with and puts the pushing slice of nail of nail hole similar number on the said ejector pin bar.

Further, the said front end of putting the nail hole is to be used to order about the forming tank that the nail foot of anastomosis staple closes up in opposite directions.

Further, said body is the annulus column, and said opening and the inner passage of body are common to mutually tissue is passed in the inner passage that said opening enters into body.

Further, the periphery of said body is provided with at least two conduits along said body axis, and said locating shaft is mounted slidably in said conduit.

Further, said location the tip of the axis is fixed in the knob sleeve, and said knob sleeve relatively rotatably is enclosed within on the said knob, the screwed hole threaded engagement of said knob and body.

Further, the front end of said locating shaft is a hook, and said hook can be inserted in the locating hole of said pressure ring.

Further, be concaved with a circumferential groove on the surface of said pressure ring, said groove is put on the shelf to be provided with said putting and is followed closely the cross bar that number of perforations equates.

Beneficial effect of the present invention is mainly reflected in: body tissues such as postoperative intestine road be in basically with the operation before similar state; Its inner passage does not obviously diminish; The taking-up of device also was beneficial to and was organized in postoperative healing after both being convenient to perform the operation, and had improved surgical effect greatly.In addition, need not out cardia in the operation, the postoperative inspection is also convenient.

Description of drawings

Below in conjunction with accompanying drawing technical scheme of the present invention is described further:

Fig. 1: the schematic perspective view of body of the present invention.

Fig. 2: pressure ring of the present invention puts the sketch map behind the tissue.

Fig. 3: the schematic perspective view of original state of the present invention.

Fig. 4: the schematic perspective view after body of the present invention and the pressure ring compressed tissue.

Fig. 5: cutaway view of the present invention during Fig. 4 state.

Fig. 6: the cutaway view of putting the nail hole of body of the present invention.

Fig. 7: the schematic perspective view of pressure ring of the present invention, coincide the nail catcher jail this moment on pressure ring.

Fig. 8: the cutaway view of pressure ring of the present invention and anastomosis staple during Fig. 7 state.

Fig. 9: behind identical the finishing, the schematic perspective view of the open mode of body of the present invention.

Wherein:

1 body, 2 openings, 3 screwed holes

4 conduits 5 are put nail hole 6 forming tank

7 knobs, 8 knob sleeves, 9 locating shafts

10 hooks, 11 pressure rings, 12 through holes

13 grooves, 14 cross bars, 15 locating holes

16 push buttons, 17 ejector pin bars, 18 pushing slice of nail

19 tissues, 20 anastomosis staples, 21 inner passages

The specific embodiment

The present invention has disclosed a kind of axially stapling apparatus of outer methods of anastomosis that adopts; As depicted in figs. 1 and 2; Comprise a body 1 that has a side opening 2; Said body 1 is the annulus column, and said opening 2 communicates with the inner passage 21 of body 1, is used to make tissue to be coincide 19 to pass in the inner passage 21 that said opening 2 enters into body 1.

To shown in Figure 5, the end of said body 1 is a knob 7 in conjunction with Fig. 3, screwed hole 3 threaded engagement of said knob 7 and body 1.The axial region of said knob 7 relatively rotatably is arranged with a knob sleeve 8.Said knob sleeve 8 internal fixation have 4 locating shafts 9.The periphery of said body 1 is provided with four conduits 4 along said body axis, and said every locating shaft 9 all is mounted slidably in corresponding conduit 4.The front end of said locating shaft 9 is a hook 10, and said hook 10 can be inserted in the locating hole 15 of said pressure ring 11.When the said knob 7 of rotation, knob sleeve 8 drives locating shafts 9 and moves along said body axis.

In conjunction with Fig. 2, Fig. 7 and shown in Figure 8, said stapling apparatus also comprises a degradable pressure ring 11.Said pressure ring 11 comprises that can supply to organize 19 through holes 12 that pass, is concaved with a circumferential groove 13 on the surface of said pressure ring 11, and said groove 13 is put on the shelf and is provided with several cross bars 14.In this example, connect on the said pressure ring 11 and be provided with four locating holes 15, the hook 10 of said locating shaft 9 can be inserted in this locating hole 15.

Said body 1 is concaved with some nail holes 5 of putting with respect to the surface of said pressure ring 11, and each is put in the nail hole 5 and respectively is provided with an anastomosis staple 20.This number of putting nail hole 5 equates with the number of the cross bar 14 of said pressure ring 11.In the present embodiment, be arranged on said body 1 and the pressure ring 11 with putting nail hole 5 and cross bar 14 equal five equilibriums.

One is arranged at driven unit on the body 1 drives the said anastomosis staple 20 of putting nail hole 5 and takes shape on tissue to be coincide 19 and the pressure ring 11.Said driven unit comprises the push button 16 that is arranged on outside body 1 outer surface, and the ejector pin bar 17 and pushing slice of nail 18 that are connected with said push button 16.Be connected with and put the pushing slice of nail 18 of nail hole 5 similar numbers on the said ejector pin bar 17.Annexation and prior art between said push button 16, ejector pin bar 17 and the pushing slice of nail 18 are roughly the same, therefore repeat no more at this.

Shown in 6, the said front end of putting nail hole 5 is to be used to order about the forming tank 6 that the nail foot of anastomosis staple 20 closes up in opposite directions.When pushing slice of nail 18 promotion anastomosis staples 20 advance; The nail foot of said anastomosis staple 20 can close up along the inner edge shape of forming tank 6 in opposite directions; Final molding is in state shown in Figure 7, and promptly the nail foot of anastomosis staple 20 wraps the cross bar 14 of pressure ring 11 within it, specifically can be referring to shown in Figure 8.

Operating process of the present invention is once simply described below.

One, one section tissue to be coincide is inserted in the opening of body 12, and outwards envelope the side that being provided with of body 1 put nail hole 5 after the end of tissue being passed the inner passage 21 of body 1.

Two, another section tissue to be coincide is passed in the through hole 12 of pressure ring 11, and outwards envelope a side that is provided with groove 13 and cross bar 14 of pressure ring 11.

Three, turn knob 7, drive knob sleeve 8 moves forward with locating shaft 9, and said locating shaft 9 stretches out the surface of body 1.

Four, the hook 10 of locating shaft 9 is caught on the locating hole 15 of said pressure ring 11.Owing to put that the number of nail hole 5 and cross bar 14 equates and all be arranged on said body 1 and the pressure ring 11 five equilibrium, therefore this moment, cross bar 14 was put nail hole 5 perpendicular to said, and the projection of cross bar 14 has been positioned at and puts the centre position of following closely hole 5.

Five, reverse turn knob 7, locating shaft 9 finally makes pressure ring 11 and body 1 compressed tissue 19 with the pressure ring 11 said body 1 that furthers.

Six; Promote push button 16, ejector pin bar 17 is released anastomosis staple 20 with pushing slice of nail 18 and is put nail hole 5, and anastomosis staple 20 is in progressive process; Its nail foot is out of shape under the effect of forming tank 6; The final state shown in Figure 7 (omitting tissue among Fig. 7) that arrives after anastomosis staple 20 passes two layers of tissue, and packs tightly on the cross bar 14 of pressure ring 11 firmly.

Seven, accomplish this moment and coincide, said body 1 is opened at its opening 2 places, as shown in Figure 9, the tissue that finishes that coincide withdraws from body.And therefore pressure ring 11 is stayed in the patient owing to degradable.

The present invention still has multiple concrete embodiment, and all employings are equal to replacement or equivalent transformation and all technical schemes of forming all drop within the scope of requirement protection of the present invention.

Claims

1. external coinciding device; It is characterized in that: comprise a body (1) that has a side opening (2); Said body (1) is located and can be opened along the body axial section at its opening (2); Said body (1) is the annulus column; Said opening (2) and the inner passage (21) of body (1) are common to mutually tissue (19) are passed in the inner passage (21) that said opening (2) enters into body (1), and the end of said body (1) is a knob (7), and said knob (7) is connected with at least two locating shafts (9) and drives said locating shaft (9) and moves along said body axis; The other end of said locating shaft (9) is connected with a degradable pressure ring (11); Said pressure ring (11) comprises a through hole (12) that can supply tissue (19) to pass, and said body (1) is concaved with one group with respect to the surface of said pressure ring (11) and puts nail hole (5), and one is arranged at driven unit on the body (1) drives the said anastomosis staple (20) of putting nail hole (5) and take shape on tissue to be coincide (19) and the pressure ring (11).

2. external coinciding device according to claim 1 is characterized in that: said driven unit comprises the push button (16) that is arranged on outside body (1) outer surface, and ejector pin bar (17) that is connected with said push button (16) and pushing slice of nail (18).

3. external coinciding device according to claim 2 is characterized in that: said body (1) is equipped with one group with respect to the surface of said pressure ring (11) and puts nail hole (5), is connected with and puts the pushing slice of nail (18) of nail hole (5) similar number on the said ejector pin bar (17).

4. external coinciding device according to claim 3 is characterized in that: the forming tank (6) that the said front end of putting nail hole (5) closes up for the nail foot that is used to order about anastomosis staple (20) in opposite directions.

5. external coinciding device according to claim 1 is characterized in that: the periphery of said body (1) is provided with at least two conduits (4) along said body axis, and said locating shaft (9) is mounted slidably in said conduit (4).

6. external coinciding device according to claim 5; It is characterized in that: the end of said locating shaft (9) is fixed in the knob sleeve (8); Said knob sleeve (8) relatively rotatably is enclosed within on the said knob (7), screwed hole (3) threaded engagement of said knob (7) and body (1).

7. external coinciding device according to claim 6 is characterized in that: the front end of said locating shaft (9) is hook (10), and said hook (10) can be inserted in the locating hole (15) of said pressure ring (11).

8. external coinciding device according to claim 7 is characterized in that: be concaved with a circumferential groove (13) on the surface of said pressure ring (11), said groove (13) is put on the shelf to be provided with said putting and is followed closely the cross bar (14) that hole (5) number equates.