CN2451046Y

CN2451046Y - Improved structure of intral-intestinal anastomosis gun

Info

Publication number: CN2451046Y
Application number: CN 00256544
Authority: CN
Inventors: 陈德全
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-11-30
Filing date: 2000-11-30
Publication date: 2001-10-03
Anticipated expiration: 2010-11-30

Abstract

The utility model relates to an improved structure of an intral-intestinal detouring anastomosis gun. The utility model mainly comprises a gun tube, a gun head mechanism and an action operating mechanism, wherein the gun head mechanism is provided with a push stick and a hollow fit stick; the action operating mechanism is provided with a rotating part, a central shaft and a locking cap; the rotating part rotates, and thus the central shaft and the hollow fit stick can move along with the action; meanwhile, the head of the fit stick is opened or closed. When used for the operation on a large intestine or a rectum, the utility model extends into an intestine from an opening of an anus or the large intestine to fix a detouring tube connected with a hollow fit ring into an intestine tube for carrying out an intral-intestinal detouring anastomosis operation.

Description

Detour in the intestinal tube and engage the structure-improved of rifle

This utility model is relevant a kind of intestinal surgery instrument, particularly relevant a kind of " detour in the intestinal tube and engage the structure-improved of rifle " of operating anastomosis ring.

Detachable bowel anastomosis ring (Biofragentable Anastomosis Ring) is called for short BAR or Valtrac, is by U.S. Davis ﹠amp; Geck, American Cyanamid CompanyDanbury, CT 06810 manufacturing.When this anastomosis ring is applied to the joint operation of intestinal,, can within 2 to 3 weeks, resolve into fragment voluntarily again, discharge, therefore more and more come into one's own and generally use with feces because of handling safety.

United States Patent (USP) the 5th, 464, No. 415 exposure a kind of " exempting to sew up the bowel anastomosis rifle " (SUTURELESS INTESTINAL ANASTOMOSIS GUN), when utilizing this identical rifle to make anastomosis ring be applied to the joint operation of intestinal, convenient more and reliable.

Also have the shortcoming of the comparatively complicated versatility difference of structure in the prior art.

The purpose of this utility model is to provide to detour in a kind of intestinal tube and engages the structure-improved of rifle, and it can overcome above-mentioned deficiency, and has advantage simple in structure, easy to use and that versatility is good

Detouring in a kind of intestinal tube of the present utility model engages the structure-improved of rifle, it is characterized in that, mainly comprises: a gun barrel, and it has one first end and one second end; One rifle head mechanism, it has a rod and the hollow rod that coincide, the hollow rod that coincide has a head and an afterbody, the coincide afterbody of rod of this hollow is incorporated into the upper end of central shaft, the top hold in both hands be positioned at hollow coincide excellent head the below and be fixed in this gun barrel; And one make pneumatic operating mechanism, and it has a revolving part, a central shaft, a locking cap, and this locking cap can be incorporated into second end of this gun barrel, and the upper end of this central shaft is incorporated into the coincide afterbody of rod of this hollow.

Wherein the identical rod of this hollow is made of the pliability material, and it offers a plurality of grooves, and is arranged with a beam ring in head.

Wherein the lower semisection of this central shaft is the screw rod pattern, and it can match with the screw of revolving part, produces axial displacement when the rotation revolving part can make this central shaft.

Wherein first end of this gun barrel is designed to the concave arc anchor ring to place an anastomosis ring.

Wherein this anastomosis ring is made of two semi-rings, and anastomosis ring has head.

Now cooperate the graphic purpose that this utility model is above-mentioned, feature and other effects and advantage specifically to introduce for embodiment, believe and therefrom understand spirit of the present utility model surely, wherein:

Fig. 1 is an axonometric chart of the present utility model.

Fig. 2 is separately figure of solid of the present utility model.

Fig. 3 is an of the present utility model group of deep cutting view.

Fig. 4 is an illustrative view of the present utility model.

Fig. 5 is manually the detour sketch map of pipe of suit of the present utility model.

Fig. 6 is that this utility model and the suit pipe that manually detours prepare to insert the sketch map of intestinal tube.

Fig. 7 be anastomosis ring of the present utility model, manually detour the pipe with the fixed sketch map of large intestine ligation.

Fig. 8 is that revolving part of the present utility model rotates, and makes the fixing illustrative view of preparing clinching of anastomosis ring.

Fig. 9 is that revolving part of the present utility model rotates the illustrative view that the anastomosis ring clinching is finished.

Figure 10 is a revolving part counter-rotation of the present utility model, makes the rod that coincide inwardly shrink the illustrative view of preparing to break away from anastomosis ring.

Figure 11 is that operation is finished, and this utility model breaks away from the illustrative view of anastomosis ring, sleeve pipe and intestinal tube.

Structure of the present utility model, as shown in Figure 1, this utility model comprises that mainly a gun barrel 6, a rifle head mechanism 10 and make pneumatic operating mechanism 70.

See also Fig. 2, gun barrel 6 has first end 61 and second end 62.The tip designs of first end 61 of gun barrel 6 becomes concave arc anchor ring 611 to place an anastomosis ring 4, the bottom outer peripheral edges of this first end 61 are drilled with plural circular hole 612, the inside that is communicated with gun barrel 6, aerofluxus, discharge opeing purposes when pushing in the big intestinal tube, the bottom outer peripheral edges of this first end 61 have been drilled with a screw 613 in addition, run through usefulness for screw 614.Second end 62 of this gun barrel 6 has a female thread 621 and an accommodation chamber 622.

See also Fig. 2, rifle head mechanism 10 has the identical rod 5 of excellent 58 and one hollow in a top, and the identical rod 5 of hollow has a head 51 and an afterbody 50, and the identical excellent afterbody 50 of this hollow has female thread.The identical rod 5 of hollow is made of the pliability material, and is provided with a plurality of grooves 53 so that have radial knee springing, and is arranged with the elastic force of a beam ring 52 to strengthen shrinking in head 51.Pushing up excellent 58 tops is the inside that is inserted into the identical rod 5 of hollow, be inserted in the center sky at central shaft 8 tops of making pneumatic operating mechanism 70 its bottom, longitudinal groove 83 on the screw 581 that utilizes screw 614 to run through to push up excellent 58 lower ends and the central shaft 8 is excellent 58 bottoms of being fixed in gun barrel 6 first ends 61.About the structure and the application of anastomosis ring 4, be familiar with by this skill personage, show that in diagram anastomosis ring 4 is made of semi-ring 40,40 ' two, anastomosis ring 4 has anastomosis ring cervical region 41.

See also Fig. 2, make pneumatic operating mechanism 70 and have a revolving part 7, a central shaft 8 and a locking cap 71, this locking cap 71 can be incorporated into second end 62 of this gun barrel 6.Revolving part 7 is that an axial multistage level is cylindric, wears pivot button locking cap 71 in the stage casing, and revolving part 7 hypomeres have outstanding outward dentation rotary switch 75.

Please consult Fig. 2 again, the upper end of central shaft 8 is provided with screw thread 82 to be screwed together in the female thread of identical excellent 5 afterbodys 50 of hollow, and lower semisection is screw rod 81 patterns, and it can match with the inner bolt hole 74 of revolving part 7, and rotation revolving part 7 can make this central shaft 8 produce axial displacement.

Revolving part 7 is buckled in locking cap 71 by a clasp 73 pivots, and locking cap 71 has the female thread 621 of screw thread 72 with sealed gun barrel 6 second ends 62, and 7 of revolving parts can rotate in the original place, and revolving part 7 hypomeres have outstanding outward dentation rotary switch 75 and rotate usefulness for gripping.

Of the present utility model group upright, sees also Fig. 3, and the locking cap 71 of making pneumatic operating mechanism 70 has screw thread 72, and the female thread 621 of second end 62 of itself and gun barrel 6 locks together.The top screw thread 82 of making pneumatic operating mechanism 70 center-poles 8 is locked on the female thread of identical excellent 5 afterbodys 50 of hollow.

Start of the present utility model sees also Fig. 3 and Fig. 4, rotates revolving part 7 and can order about central shaft 8, make the identical rod 5 of hollow carry out straight line decline or rising.See also Fig. 4, when hollow was coincide rod 5 declines, hollow is coincide excellent 5 upper ends can be by anastomosis ring 4 that top rod 58 struts and fastens; Please consult Fig. 3 again, when hollow was coincide rod 5 risings, the upper end of the identical rod 5 of hollow can not strutted by top rod 58, and reinstatement.

The situation that this utility model is applied to actual operation operation as shown in Figure 4, rotate revolving part 7 to order about central shaft 8, the identical rod 5 of hollow is moved down, then the identical rod 5 of hollow is strutted by top rod 58, the hollow rod 5 outside open heads 51 that coincide give slight up and down clinching with two semi-rings 40,40 ' of anastomosis ring 4 and fix.As shown in Figure 5, the pipe 91 that manually detours is set in first end 61 of the gun barrel 6 of the rifle that detours, and the cervical region 41 of anastomosis ring 4 is fixed in its upper end with line 93 ligation of stumbling.

See also Fig. 6 and Fig. 7, this utility model of will be combined with manually detour pipe 91 and anastomosis ring 4 inserts the opening of intestinal tube 92, stretches in the intestinal tube 92 behind certain appropriate location, and the reuse line 94 of stumbling is fixed in anastomosis ring 4 cervical regions 41 around the peripheral and ligation of intestinal tube 92.

See also Fig. 8 and Fig. 9, be rotated further revolving part 7, order about central shaft 8, the identical handful 5 of hollow is moved down again, then the identical rod 5 of hollow is continued to strut by a rod 58, the hollow rod 5 that coincide continues outwards to open and by head 51 two semi-rings 40,40 ' of anastomosis ring 4 is given up and down clinching fully and finish, and makes intestinal tube 92, manually detour pipe 91 and anastomosis ring 4 certain clampings are fixed.

See also Figure 10 and Figure 11, the counter-rotation revolving part 7 then, order about central shaft 8, use hollow coincide rod 5 up straight line move, identical excellent 5 heads 51 of hollow are no longer strutted by item rod 58, be that identical excellent 5 heads 51 of hollow inwardly shrink reinstatements, and then will put in order the set of bond rifle and down pull out disengaging, finish the operation of detouring in the intestinal tube 92.

After improvement, this joints rifle can be exempted snap joint, and coincide excellently with the central shaft hollow that directly is spirally connected, and rifle head body and structure of gun barrel are integrally formed, needn't change rifle head body because of the difference of anastomosis ring size.And the identical rod of central shaft and hollow closely is spirally connected, and it is directly accurate again to engage the rifle start.

Because the diameter of gun barrel first end is littler than anastomosis ring and known gun barrel, so during the insertion intestinal tube, can be not bigger and be difficult for entering in the intestinal tube than anastomosis ring because of known rifle head diameter.

Joint rifle provided by the utility model has some advantages: light and handy, easy to use, start is more accurate, reliable and be easy to reach application target.

The structure-improved of rifle " detour in the intestinal tube engage " of the present utility model, when rotate revolving part can make central shaft, with the excellent displacement start that coincide, and this head that coincide rod is opened or closed.

When the intravital large intestine of people, rectum had cancer or other pathological changes, this utility model promptly can be applicable to operation: after first underwent operative is excised large intestine, the rectum part of this pathological changes, re-use " detour in the intestinal tube and engage rifle " of the present utility model.Its usage is earlier an end opening of the pipe that manually detours of tough and tensile pliability film like and the ligation of anastomosis ring cervical region to be fixed, then other end opening is gone into the body of a gun by the rifle headgear, and anastomosis ring is promptly placed and is fixed in after the rifle head, device of the present utility model is up stretched to certain appropriate location by anus or large intestine bottom end opening, utilize the anastomosis ring of this rifle head again, directly link fixing the normal large intestine and the pipe that manually detours, so that the Excreta of big enteral goes out outside the anus via the bank of tubes that manually detours, to avoid Excreta contact outer the performing the operation or the intestinal tube that becomes sick place is arranged of pipe of detouring, fully recover smoothly to expect this operation place.

About manually detour pipe and anastomosis ring all are medical device elements of commonly using, by the personage of this skill is known, are not giving unnecessary details one by one in this.

Simple, safety, certain again that this utility model uses can be exempted provisional large intestine and be made and mouthful create operation, needn't remake for the second time large intestine again and make advantages such as atretostomia operation.

In sum, this utility model " detours in the intestinal tube and engages rifle " and really can the disclosed innovative construction of mat reach the creation purpose, has utility function and progressive.Only, the above person only is preferred embodiment of the present utility model, according to various modifications of the present utility model and variation, must forgive in the scope of the application's patent generally.

Claims

1. detour in the intestinal tube and engage the structure-improved of rifle, it is characterized in that, mainly comprise:

One gun barrel, it has one first end and one second end;

One rifle head mechanism, it has a top rod and the hollow rod that coincide, the hollow rod that coincide has a head and an afterbody, the coincide afterbody of rod of this hollow is incorporated into the upper end of central shaft, the top hold in both hands be positioned at hollow coincide excellent head the below and be fixed in this gun barrel; And

One makes pneumatic operating mechanism, and it has a revolving part, a central shaft, a locking cap, and this locking cap can be incorporated into second end of this gun barrel, and the upper end of this central shaft is incorporated into the afterbody of the identical rod of this hollow.

2. detouring in the intestinal tube according to claim 1 engages the structure-improved of rifle, it is characterized in that, wherein the identical rod of this hollow is made of the pliability material, and it offers a plurality of grooves, and is arranged with a beam ring in head.

3. detouring in the intestinal tube according to claim 1 engages the structure-improved of rifle, it is characterized in that wherein the lower semisection of this central shaft is the screw rod pattern, and it can match with the screw of revolving part, produces axial displacement when the rotation revolving part can make this central shaft.

4. detouring in the intestinal tube according to claim 1 engages the structure-improved of rifle, it is characterized in that wherein first end of this gun barrel is designed to the concave arc anchor ring to place an anastomosis ring.

5. detouring in the intestinal tube according to claim 4 engages the structure-improved of rifle, it is characterized in that wherein this anastomosis ring is made of two semi-rings, and anastomosis ring has head.