CN100394894C

CN100394894C - Binding device for surgery

Info

Publication number: CN100394894C
Application number: CNB200510038780XA
Authority: CN
Inventors: 陈望东; 林江
Original assignee: Suzhou Tianchen International Medical Technology Co Ltd
Current assignee: Suzhou Tianchen International Medical Technology Co Ltd
Priority date: 2005-04-08
Filing date: 2005-04-08
Publication date: 2008-06-18
Anticipated expiration: 2025-04-08
Also published as: CN1843303A

Abstract

The present invention relates to an instrument for surgery binding operation. A radial direction transmitting device is arranged at the head part of the binding instrument so as to carry out binding for the organization of a machine body; after the operation is carried out, the organization of a machine body, such as intestinal canals, etc., basically lies in a state which is similar to a preoperative state, and an inner passage is not obviously diminished; thus, the present invention is not only convenient for the extraction of apparatus after the operation is finished, but also is favorable for the postoperative healing of the organization. The present invention has the advantages that the inner part of the machine body can carry out the binding operation, nicely overcomes the major defect of the existing analogous medical appliance, and greatly improves operation effects.

Description

Binding device for surgery

Technical field

The present invention relates to the surgical stapling employed Binding Instrument of performing the operation, be in particular a kind of binding device for surgery that adopts radial emission to coincide in implementing, belong to technical field of medical instruments.

Technical background

Binding device for surgery is a kind of medical apparatus and instruments that often uses when physiological tissues such as intestinal are carried out surgical operation, and the difference of this instrument performance plays crucial effects for the whole surgery effect.In the prior art, when coincideing the percussion direction of nail all with the axial direction basically identical of organizing, specifically divide following three kinds of modes again:

One, axially interior coincideing.As shown in Figure 1, organize 1a and 1b containing for two sections, form anastomosis ring 2 at organization internal.This is more traditional a kind of methods of anastomosis, and multiple corresponding coinciding machine is arranged, and its advantage is: the hemorrhage grade of the body that produces in the operation process can be along with content be discharged together, and operation back body tissue ratio is easier to healing.Shortcoming is: need open cardia near the point that coincide during operation; Operation back anastomosis ring is trapped in to be organized in the middle of the inner chamber, makes the organization internal channel narrows, is unfavorable for that the postoperative apparatus takes out, and causes postoperative complication easily, also is unfavorable for postoperative body tissue restore funcitons, brings apparent side effect to patient; The 3rd, this methods of anastomosis is unfavorable for the postoperative inspection.

Two, axially outer coincideing.As shown in Figure 2, organize 1a and 1b to turn up for two sections, in the outside anastomosis ring 2 that forms of tissue, relevant patent has US6769594, US6769590.The advantage of this methods of anastomosis is: need not out cardia in the operation, the postoperative inspection is convenient, and intestinal directly waits the organization internal passage unaffected, and the postoperative apparatus is convenient to remove; Its maximum shortcoming is: the body that produces in the operation process is hemorrhage will to be entered in the middle of the body fluid, can't discharge.

Three, coincide in the expansion.Chinese patent application 00819331 is more representational a kind of in this methods of anastomosis, and the matching surface of its Binding Instrument is a wave, coincide back two sections and organizes 1a and 1b differentially expanding, forms the bigger anastomosis ring 2 of latus rectum, as shown in Figure 3.This methods of anastomosis is that it has partly overcome the shortcoming of traditional approach to the improvement of traditional axially interior methods of anastomosis, makes operation back organization internal passage not have obviously and diminishes, and is convenient to the postoperative removal equipment and recovers body function.Its shortcoming is: the anastomosis body tissue is in tight state all the time, is unfavorable for the postoperative organization healing; Operating theater instruments is made more complicated; The postoperative inspection is still inconvenient.

Summary of the invention

The objective of the invention is to overcome the technological deficiency that anastomosis operation is implemented in existing axially emission, a kind of binding device for surgery by radial emission enforcement anastomosis operation is provided, make its advantage that has multiple methods of anastomosis in the prior art concurrently, improve surgical effect better.

Purpose of the present invention realizes by following technical solution:

Binding device for surgery comprises the head that coincide, bridge piece, positioning regulating mechanism, firing lock, wherein identical device in the head part setting that coincide is implemented by firing lock percussion, radial emission anastomosis staple and to body tissue.

Purpose of the present invention also can further realize by following technical measures:

In the above-mentioned binding device for surgery, the head that coincide is made of percussion head and two parts of fuselage head, and both flexibly connect by a percussion pull bar that is positioned at the percussion head rod of pulling the trigger a shaft core position and is positioned at fuselage main part shaft core position of mutual coupling; The outer ring that the outer ring of described percussion head rod is provided with a percussion head percussion push rod, a percussion pull bar is provided with fuselage percussion push rod, and annular cutting knife that uses when coincideing and the nail bin of depositing anastomosis staple all are positioned at the inside of percussion head; The front end of fuselage head is a staged pipe shape inner-cavity structure, and the internal diameter of its outer ring pipe is provided with the nail grooving greater than the diameter of described annular cutting knife on the inwall of outer ring pipe.

Further, in the above-mentioned binding device for surgery, the nail groove on the described nail bin is arranged in the plane perpendicular to a percussion axis of symmetry in the form of a ring, and the passage of each nail groove is the radial emission shape and stretches out; The position of described nail grooving and quantity are consistent with the nail groove on the nail bin.

Further, in the above-mentioned binding device for surgery, the nail groove on the described nail bin forms 1～4 radial emission ring being parallel on the direction of pulling the trigger an axis of symmetry; Most preferably scheme is to form 2～3 radial emission rings, staggers and arrange in the nail groove position of adjacent transmission ring, to guarantee regular, the good sealing effect of operation back anastomosis ring shape.

Again further, in above-mentioned any one binding device for surgery, can outside in inlay the ring knife anvil in the inside of the second circle pipe at fuselage head front end staged pipe shape inner chamber, the internal diameter of this ring knife anvil and external diameter respectively less than with diameter greater than annular cutting knife, the annular cutting knife enters after cutting off tissue and can enter the softer cutter anvil inside of quality when making operation, thereby guarantees surgical effect.

In addition, in the above-mentioned binding device for surgery, the diastole formula structure that the outer ring pipe of fuselage head front end can adopt diameter to finely tune is so that body tissue can be in place better and identical.

The invention provides a kind of by the binding device for surgery of radial emission anastomosis staple to coincideing in the body tissue enforcement, compare with various Binding Instruments in the prior art, on the basis of the present invention's methods of anastomosis plurality of advantages in keeping, overcome the many disadvantages that they exist well, solved people for a long time and thirsted for the problem that solves always.Body tissues such as postoperative intestine road be in basically to art before similar state, its inner passage does not obviously diminish, and both has been convenient to the postoperative apparatus and has taken out, and also is beneficial to organize the postoperative healing, has improved surgical effect greatly.

Description of drawings

Fig. 1 is an effect sketch map behind the axially interior anastomosis operation of prior art.

Fig. 2 is an effect sketch map behind the axial outer anastomosis operation of prior art.

Fig. 3 for anastomosis operation in the prior art expansion after the effect sketch map.

Fig. 4 is back effect sketch map for the present invention performs the operation.

Fig. 5 is the identical head part structural representation of binding device for surgery provided by the invention.

Fig. 6-1～Fig. 6-6 implements the operation process sketch map of anastomosis operation for using binding device for surgery provided by the invention.

The implication of Reference numeral is: 1a, 1b tissue; 2 anastomosis ring; 3 nail groovings; 4 cutter anvils; 5 fuselage heads; 6 percussion head percussion push rods; 7 fuselages percussion push rod; A 8 percussion pull bar; 9 percussion head rods; 10 cutting knifes; 11 nail bins; 12 percussion heads.

The specific embodiment

Below in conjunction with accompanying drawing technical scheme of the present invention and characteristics are elaborated.

Similar with prior art, comprise on the binding device for surgery overall structure provided by the invention: coincide head, bridge piece, positioning regulating mechanism and firing lock, the structure of the head part of wherein coincideing as shown in Figure 5.It is made of

percussion

12 and 5 two parts of fuselage head, and both percussion head rods 9 that are positioned at percussion 12 shaft core position by mutual coupling and a percussion pull bar 8 that is positioned at fuselage main part shaft core position flexibly connect.Be provided with percussion head percussion push rod 6 in the outer ring of percussion head rod 9, be provided with fuselage percussion push rod 7 in the outer ring of a percussion pull bar 8.Annular cutting knife 10 that uses when coincideing and the nail bin 11 of depositing anastomosis staple all are positioned at the inside of percussion 12.The front end of fuselage head 5 is a staged pipe shape inner-cavity structure, and the internal diameter of its outer ring pipe is greater than the diameter of annular cutting knife 10, and is provided with nail grooving 3 on the inwall of outer ring pipe.

Nail groove on the nail bin 11 is arranged in the plane perpendicular to percussion 12 axis of symmetry in the form of a ring, the passage of each nail groove is the radial emission shape and stretches out, thereby being parallel to 2 radial emission rings of formation on the direction of pulling the trigger 12 axis of symmetry, staggers and arranges in the nail groove position of adjacent transmission ring.

On the other hand, the quantity of nail grooving 3 and each nail grooving 3 be residing position on the inwall of fuselage head 5 front end staged pipe shape inner chamber outer ring pipes, and be all consistent with the nail groove on the nail bin 11.

Be to guarantee surgical effect, outside in be embedded with ring knife anvil 4 in the inside of the second circle pipe at fuselage head 5 front end staged pipe shape inner chambers, the internal diameter of this ring knife anvil 4 and external diameter respectively less than with diameter greater than annular cutting knife 10.

For guaranteeing that body tissue can be in place better and identical, the outer ring pipe of fuselage head 5 front ends adopts diastole formula structure, and its diameter can be finely tuned.Organize and adopt heavy caliber when in place, after-contraction bore compressed tissue in place is implemented anastomosis operation then.

Fig. 6-1～Fig. 6-6 has illustrated the process that adopts binding device for surgery provided by the invention to undergo surgery, and surgical effect as shown in Figure 4.The detailed process of coincideing is:

(1) percussion 12 and fuselage are in separated position, and 1a and the 1b of organizing to be coincide encases percussion 12 and fuselage head 5 respectively, pricks pocket and handles, and sees Fig. 6-1;

(2) percussion 12 is connected with a percussion pull bar 8 of fuselage interior by percussion head rod 9, sees Fig. 6-2;

(3) positioning regulating mechanism by Binding Instrument fuselage position makes percussion 12 draw close with fuselage head 5, contact with fuselage percussion push rod 7 until percussion head percussion push rod 6, regulate the bore of fuselage head 5 front end outer ring pipes then and compressed tissue, make and to be coincide organize in placely, see Fig. 6-3;

(4) percussion---the firing lock by Binding Instrument promotes fuselage percussion push rod 7 forward and then promotes percussion head percussion push rod 6 to implement percussion, leave the central anastomosis staple of nail bin 11 inner each nail grooves during percussion in advance in and radially outwards disperse, cooperate organizing 1a and 1b to coincide with fuselage head 5 corresponding nail groovings 3; Simultaneously, annular cutting knife 10 is to the quick translation of cutter anvil 4 directions, until propping up or part enters cutter anvil 4 inside, thereby excess tissue excised, and sees Figure 64;

(5) positioning regulating mechanism by Binding Instrument fuselage position makes percussion 12 separate with fuselage head 5, sees Fig. 6-5;

(6) anastomosis procedures finishes, removal equipment.Cut unnecessary organizing also together taken out in company with apparatus, sees Fig. 6-6.

Need to prove, use the proper flow direction that binding device for surgery provided by the invention preferably will be complied with the organising content thing, should be during operation with the upstream tissue as 1a, at percussion 12 a peripheral pocket of beating; The downstream tissue is as 1b, and plays pocket in the periphery of fuselage head 5.

Claims

1. binding device for surgery comprises coincide head, bridge piece, positioning regulating mechanism, firing lock, it is characterized in that: identical device in identical head is provided with and implements by firing lock percussion, radial emission anastomosis staple and to body tissue.

2. binding device for surgery according to claim 1, it is characterized in that: the head that coincide is made of percussion head [12] and [5] two parts of fuselage head, and both percussion head rods [9] that are positioned at percussion [12] shaft core position by mutual coupling and a percussion pull bar [8] that is positioned at fuselage main part shaft core position flexibly connect; The outer ring that the outer ring of described percussion head rod [9] is provided with a percussion head percussion push rod [6], a percussion pull bar [8] is provided with fuselage percussion push rod [7], and annular cutting knife [10] that uses when coincideing and the nail bin [11] of depositing anastomosis staple all are positioned at the inside of percussion head [12]; The front end of fuselage head [5] is a staged pipe shape inner-cavity structure, and the internal diameter of its outer ring pipe is provided with nail grooving [3] greater than the diameter of described annular cutting knife [10] on the inwall of outer ring pipe.

3. binding device for surgery according to claim 2 is characterized in that: the nail groove on the described nail bin [11] is arranged in the plane perpendicular to percussion head [12] axis of symmetry in the form of a ring, and the passage of each nail groove is the radial emission shape and stretches out; The position of described nail grooving [3] and quantity are consistent with the nail groove on the nail bin [11].

4. binding device for surgery according to claim 3 is characterized in that: the nail groove on the described nail bin [11] forms 1～4 radial emission ring on the direction that is parallel to percussion head [12] axis of symmetry.

5. binding device for surgery according to claim 4 is characterized in that: the nail groove on the described nail bin [11] forms 2～3 radial emission rings on the direction that is parallel to percussion head [12] axis of symmetry, stagger and arrange in the nail groove position of adjacent transmission ring.

6. according to described any one binding device for surgery of claim 2～5, it is characterized in that: outside in be embedded with ring knife anvil [4] in the inside of the second circle pipe at fuselage head [5] front end staged pipe shape inner chamber, the internal diameter of this ring knife anvil [4] and external diameter respectively less than with diameter greater than annular cutting knife [10].

7. binding device for surgery according to claim 2 is characterized in that: the diastole formula structure that the outer ring pipe of described fuselage head [5] front end adopts diameter to finely tune.